/* Cuttlefish shared landing design system.
 * Extracted verbatim from the homepage (index.html) inline <style> on 2026-06-25.
 * Source of truth for all non-homepage landing pages. Do NOT hand-edit to diverge from the homepage;
 * if the homepage design changes, re-extract. The homepage itself remains on its own inline styles (untouched).
 */

    :root {
      --bg: #ffffff;
      --bg-soft: #fcfcfd;
      --bg-hero: #0b1620;
      --bg-hero-2: #0f1c28;
      --surface: rgba(255, 255, 255, 0.68);
      --surface-strong: rgba(255, 255, 255, 0.86);
      --surface-dark: rgba(13, 24, 34, 0.92);
      --surface-dark-2: rgba(17, 30, 43, 0.96);
      --text: #13202c;
      --text-soft: rgba(19, 32, 44, 0.72);
      --text-muted: rgba(19, 32, 44, 0.5);
      --text-on-dark: #eef5f8;
      --text-on-dark-soft: rgba(238, 245, 248, 0.76);
      --line: rgba(31, 90, 104, 0.14);
      --line-strong: rgba(32, 126, 143, 0.26);
      --accent: #2fa9b8;
      --accent-2: #4dc7cf;
      --accent-3: #0f7f96;
      --accent-soft: rgba(77, 199, 207, 0.14);
      --shadow-1: 0 40px 80px rgba(8, 16, 24, 0.08);
      --shadow-2: 0 16px 36px rgba(45, 149, 164, 0.06);
      --shadow-3: inset 0 1px 0 rgba(255,255,255,0.7);
      --shadow-frame: 0 60px 120px rgba(3, 12, 20, 0.26), 0 18px 40px rgba(37, 150, 162, 0.12), inset 0 1px 0 rgba(255,255,255,0.08);
      --radius: 5px;
      --max: clamp(1280px, 92vw, 1600px);
      --header-h: 76px;
      --hero-stage-width: 1040px;
      --hero-title-size: clamp(2.15rem, 3vw, 3.7rem);
      --hero-support-width: 980px;
      --transition-fast: 400ms cubic-bezier(0.2, 0.9, 0.3, 1);
      --transition-mid: 600ms cubic-bezier(0.2, 0.9, 0.3, 1);
      --transition-slow: 900ms cubic-bezier(0.2, 0.9, 0.3, 1);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background-color: #ffffff;
      background-image:
        radial-gradient(circle at 18% -4%, rgba(77, 199, 207, 0.08), transparent 24%),
        radial-gradient(circle at 82% 12%, rgba(47, 169, 184, 0.07), transparent 22%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(160, 165, 170, 0.025) 2px, rgba(160, 165, 170, 0.025) 3px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(160, 165, 170, 0.025) 2px, rgba(160, 165, 170, 0.025) 3px);
      min-height: 100vh;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    button, a.button { font: inherit; }

    .page-shell {
      position: relative;
      isolation: isolate;
    }

    .cursor-spotlight {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 1;
      background: radial-gradient(420px circle at var(--spot-x, 50%) var(--spot-y, 22%), rgba(47, 169, 184, 0.06), transparent 60%);
      opacity: 0.55;
      transition: opacity var(--transition-mid);
    }

    .particle-canvas {
      position: fixed;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      opacity: 0.42;
      pointer-events: none;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      backdrop-filter: blur(18px);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.66));
      border-bottom: 1px solid rgba(19, 32, 44, 0.05);
    }

    .header-inner {
      max-width: var(--max);
      height: var(--header-h);
      margin: 0 auto;
      padding: 0 28px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      justify-self: start;
      min-width: 0;
    }

    .brand-mark {
      width: 36px;
      height: 30px;
      display: inline-grid;
      place-items: center;
      position: relative;
      flex-shrink: 0;
    }

    .brand-mark svg,
    .brand-mark img {
      width: 100%;
      height: 100%;
      display: block;
    }

    .brand-mark img {
      object-fit: contain;
      object-position: center;
      transform: translateY(1px) scale(1.02);
      filter: saturate(1.04) contrast(1.02);
    }

    .brand-wordmark {
      font-size: 0.98rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      color: rgba(19, 32, 44, 0.96);
    }

    .main-nav {
      display: inline-flex;
      align-items: center;
      gap: 20px;
      justify-self: center;
    }

    .mobile-nav {
      display: none;
      position: relative;
      justify-self: center;
    }

    .mobile-nav-trigger {
      list-style: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 42px;
      padding: 0 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(19, 32, 44, 0.08);
      background: rgba(255,255,255,0.62);
      box-shadow: var(--shadow-3);
      color: var(--text);
      cursor: pointer;
      user-select: none;
      white-space: nowrap;
      transition: border-color var(--transition-fast), box-shadow var(--transition-mid), transform var(--transition-fast);
    }

    .mobile-nav-trigger::-webkit-details-marker {
      display: none;
    }

    .mobile-nav-trigger:hover {
      transform: translateY(-1px);
      border-color: rgba(47, 169, 184, 0.24);
      box-shadow: 0 12px 24px rgba(8, 18, 28, 0.08);
    }

    .mobile-nav-trigger svg {
      width: 14px;
      height: 14px;
      color: var(--accent-3);
      transition: transform var(--transition-fast);
      flex-shrink: 0;
    }

    .mobile-nav[open] .mobile-nav-trigger svg {
      transform: rotate(180deg);
    }

    .mobile-nav-panel {
      position: absolute;
      top: calc(100% + 12px);
      right: 0;
      width: min(300px, calc(100vw - 32px));
      padding: 12px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
      border-radius: var(--radius);
      border: 1px solid rgba(19, 32, 44, 0.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,251,252,0.90)),
        radial-gradient(circle at 50% 0%, rgba(102,210,216,0.10), transparent 44%);
      box-shadow: 0 32px 60px rgba(10, 19, 28, 0.18), 0 12px 30px rgba(47, 169, 184, 0.08);
      backdrop-filter: blur(18px) saturate(140%);
      -webkit-backdrop-filter: blur(18px) saturate(140%);
      z-index: 70;
    }

    .mobile-nav-panel a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 12px;
      border-radius: var(--radius);
      border: 1px solid rgba(19, 32, 44, 0.06);
      color: var(--text-soft);
      background: rgba(255,255,255,0.56);
      font-size: 0.84rem;
      transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
    }

    .mobile-nav-panel a:hover,
    .mobile-nav-panel a.active {
      color: var(--text);
      border-color: rgba(47, 169, 184, 0.24);
      background: rgba(255,255,255,0.88);
      transform: translateY(-1px);
    }

    .main-nav a,
    .header-actions .docs-link {
      position: relative;
      color: var(--text-soft);
      font-size: 0.84rem;
      letter-spacing: 0.01em;
      transition: color var(--transition-fast);
      padding: 6px 0;
    }

    .main-nav a::after,
    .header-actions .docs-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 100%;
      height: 1px;
      background: linear-gradient(90deg, transparent 0%, var(--accent) 25%, var(--accent-2) 75%, transparent 100%);
      transform: scaleX(0.15);
      transform-origin: left center;
      opacity: 0;
      transition: transform var(--transition-mid), opacity var(--transition-fast);
    }

    .main-nav a:hover,
    .main-nav a.active,
    .header-actions .docs-link:hover {
      color: var(--text);
    }

    .main-nav a:hover::after,
    .main-nav a.active::after,
    .header-actions .docs-link:hover::after {
      transform: scaleX(1);
      opacity: 1;
    }

    .header-actions {
      justify-self: end;
      display: inline-flex;
      align-items: center;
      gap: 20px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(19, 32, 44, 0.08);
      color: var(--text);
      background: rgba(255,255,255,0.56);
      box-shadow: var(--shadow-3);
      transition: transform var(--transition-fast), box-shadow var(--transition-mid), border-color var(--transition-fast), background var(--transition-fast);
      cursor: pointer;
      white-space: nowrap;
    }

    .button:hover {
      transform: translateY(-2px);
      border-color: rgba(47, 169, 184, 0.24);
    }

    .button.primary {
      color: var(--text-on-dark);
      background: linear-gradient(180deg, #1a3444, #112332);
      border-color: rgba(20, 61, 74, 0.26);
      box-shadow: 0 18px 32px rgba(8, 18, 28, 0.18), 0 10px 22px rgba(40, 150, 162, 0.14), inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .button.primary:hover {
      box-shadow: 0 24px 40px rgba(8, 18, 28, 0.22), 0 12px 24px rgba(40, 150, 162, 0.18), inset 0 1px 0 rgba(255,255,255,0.11);
    }

    .button.ghost {
      background: rgba(255,255,255,0.44);
      color: var(--text-soft);
    }

    main {
      position: relative;
      z-index: 2;
    }

    section {
      position: relative;
      padding-top: 32px;
      padding-bottom: 160px;
      padding-left: 28px;
      padding-right: 28px;
      scroll-margin-top: calc(var(--header-h) + 32px);
    }

    .container {
      max-width: var(--max);
      margin: 0 auto;
      position: relative;
    }

    .hero {
      display: flex;
      align-items: start;
      padding: 44px 28px 72px;
      color: var(--text);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 16% 14%, rgba(82, 197, 205, 0.12), transparent 22%),
        radial-gradient(circle at 82% 16%, rgba(58, 131, 148, 0.10), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #fcfcfd 52%, #fbfbfc 100%);
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(19,32,44,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(19,32,44,0.03) 1px, transparent 1px);
      background-size: 120px 120px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.54), rgba(0,0,0,0.22), transparent 100%);
      z-index: -1;
      opacity: 0.24;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 40px;
      align-items: start;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      margin-bottom: 24px;
      font-size: 1rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent-2);
    }

    .eyebrow::before {
      content: "";
      display: inline-block;
      width: 42px;
      height: 2px;
      margin-right: 18px;
      background: linear-gradient(90deg, var(--accent-2), transparent);
    }

    h1, h2, h3, h4, .eyebrow {
      font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
      font-weight: 500;
    }
    h1, h2, h3, h4, p { margin: 0; }
    h1, h2, h3, h4 { text-wrap: balance; }
    p { text-wrap: pretty; }

    h1 {
      font-size: clamp(2.6rem, 5vw, 4.6rem);
      line-height: 0.96;
      letter-spacing: -0.05em;
      max-width: 18ch;
      margin-bottom: 32px;
    }

    .hero-copy-intro,
    .hero-copy-support,
    .hero-visual-wrap,
    .proof-ticker {
      grid-column: 1 / -1;
    }

    .hero-copy-intro,
    .hero-copy-support {
      width: min(100%, var(--hero-support-width));
      min-width: 0;
      margin-inline: auto;
    }

    .hero-copy-intro {
      width: min(100%, var(--hero-stage-width));
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0;
    }

    .hero-copy-intro h1 {
      margin-bottom: 0;
    }

    .hero-copy p.lead {
      max-width: 64ch;
      color: var(--text-soft);
      font-size: 1.12rem;
      line-height: 1.9;
      margin-bottom: 32px;
    }

    .cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 24px;
    }

    .download-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      align-items: center;
      color: var(--text-soft);
      font-size: 0.96rem;
    }

    .download-meta strong {
      color: var(--text);
      font-weight: 600;
    }

    .download-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .download-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(19, 32, 44, 0.1);
      background: rgba(255, 255, 255, 0.56);
      color: var(--text);
      box-shadow: var(--shadow-3);
      transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-mid);
      white-space: nowrap;
    }

    .download-link:hover {
      transform: translateY(-1px);
      border-color: rgba(47, 169, 184, 0.24);
      box-shadow: 0 12px 24px rgba(8, 18, 28, 0.08);
    }

    .download-link.secondary {
      color: var(--text-soft);
      background: rgba(255, 255, 255, 0.38);
    }

    .proof-grid {
      display: grid;
      grid-column: 1 / -1;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 24px;
      margin-top: 16px;
    }

    .proof-item {
      min-height: 58px;
      border: 1px solid rgba(19, 32, 44, 0.06);
      border-radius: var(--radius);
      background-image: 
        repeating-linear-gradient(45deg, rgba(30, 45, 60, 0.018) 0px, transparent 1px, transparent 6px),
        repeating-linear-gradient(-45deg, rgba(30, 45, 60, 0.018) 0px, transparent 1px, transparent 6px),
        linear-gradient(180deg, rgba(255,255,255,0.48), rgba(246,249,251,0.22));
      backdrop-filter: blur(24px) saturate(140%);
      -webkit-backdrop-filter: blur(24px) saturate(140%);
      box-shadow: var(--shadow-3), var(--shadow-2);
      display: flex;
      align-items: center;
      padding: 0 16px;
      color: var(--text);
      font-size: 0.94rem;
      position: relative;
      overflow: hidden;
    }

    .proof-item::before {
      content: "";
      position: absolute;
      inset: 0 auto 0 0;
      width: 1px;
      background: linear-gradient(180deg, transparent, rgba(47, 169, 184, 0.88), transparent);
      opacity: 0.86;
    }

    .hero-copy-support {
      display: grid;
      gap: 28px;
    }

    .hero-copy-support p.lead,
    .hero-copy-support .cta-row {
      margin-bottom: 0;
    }

    .hero-visual-wrap {
      position: relative;
      width: min(100%, var(--hero-stage-width));
      margin-inline: auto;
      padding: 0;
    }

    .hero-visual-glow {
      position: absolute;
      inset: 8% 8% 10% 16%;
      background: radial-gradient(circle at 50% 50%, rgba(59, 186, 194, 0.18), rgba(59, 186, 194, 0) 72%);
      filter: blur(34px);
      opacity: 0.9;
      pointer-events: none;
    }

    .app-frame,
    .media-frame,
    .feature-card,
    .runtime-card,
    .arch-card,
    .posture-card,
    .cta-panel,
    .footer-grid,
    .story-card,
    .story-band,
    .spotlight-copy,
    .timeline-rail,
    .governance-notes {
      border-radius: var(--radius);
    }

    .app-frame {
      position: relative;
      background: linear-gradient(180deg, rgba(17,31,45,0.98), rgba(10,19,28,0.98));
      border: 1px solid rgba(255,255,255,0.06);
      box-shadow: var(--shadow-frame);
      overflow: hidden;
      transform: translateY(0px);
      animation: frameFloat 9s ease-in-out infinite;
    }

    .app-frame.hero-shot-frame {
      padding: 12px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.90), rgba(243,248,250,0.78)),
        radial-gradient(circle at 50% 0%, rgba(102,210,216,0.14), transparent 46%);
      border-color: rgba(19, 32, 44, 0.08);
      box-shadow: var(--shadow-frame), 0 26px 64px rgba(47, 169, 184, 0.10);
    }

    .hero-shot-shell {
      position: relative;
      border-radius: calc(var(--radius) - 2px);
      overflow: hidden;
      border: 1px solid rgba(19, 32, 44, 0.06);
      background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(241,247,250,0.92));
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.86);
    }

    .hero-shot-shell.has-video {
      aspect-ratio: 16 / 9;
      min-height: 0;
      padding: 14px;
      background:
        radial-gradient(circle at 24% 18%, rgba(102,210,216,0.14), transparent 28%),
        linear-gradient(180deg, #0a151f, #0c1822 100%);
    }

    .hero-shot-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0));
    }

    .hero-shot-media {
      display: block;
      width: 100%;
    }

    .hero-shot-shell.has-video .hero-shot-video {
      position: absolute;
      inset: 14px;
      display: block;
      width: calc(100% - 28px);
      height: calc(100% - 28px);
      object-fit: contain;
      object-position: center center;
      user-select: none;
      z-index: 0;
      background: linear-gradient(180deg, #0a151f, #0c1822 100%);
      border-radius: calc(var(--radius) - 6px);
    }

    .hero-shot-image {
      display: block;
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 9;
      object-fit: contain;
      object-position: center top;
      background: linear-gradient(180deg, #f8fbfd, #eef4f8);
    }

    .expandable-image {
      cursor: zoom-in;
      transition: transform var(--transition-fast), filter var(--transition-fast);
    }

    .expandable-image:hover,
    .expandable-image:focus-visible {
      transform: scale(1.008);
      filter: saturate(1.03);
      outline: none;
    }

    .hero-shot-shell:has(.expandable-image)::before,
    .gov-panel.has-media:has(.expandable-image)::before {
      content: "";
      position: absolute;
      top: 12px;
      right: 12px;
      width: 36px;
      height: 36px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.10);
      background:
        linear-gradient(180deg, rgba(10, 19, 28, 0.78), rgba(10, 19, 28, 0.64)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(238,245,248,0.92)' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 3H3v5M16 3h5v5M21 16v5h-5M8 21H3v-5'/%3E%3C/svg%3E") center/18px 18px no-repeat;
      box-shadow: 0 10px 22px rgba(6, 14, 22, 0.16);
      pointer-events: none;
      z-index: 3;
    }

    .app-frame::before,
    .media-frame::before,
    .feature-card::before,
    .runtime-card::before,
    .arch-card::before,
    .posture-card::before,
    .cta-panel::before,
    .story-card::before,
    .story-band::before,
    .spotlight-copy::before,
    .timeline-rail::before,
    .governance-notes::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      padding: 1px;
      background: linear-gradient(180deg, rgba(255,255,255,0.32), rgba(47,169,184,0.04));
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      pointer-events: none;
    }

    .app-topbar {
      height: 52px;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      display: grid;
      grid-template-columns: 126px 1fr 120px;
      align-items: center;
      padding: 0 18px;
      background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
    }

    .window-controls {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .window-controls span {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: rgba(236, 244, 248, 0.18);
      display: inline-block;
    }

    .topbar-title {
      justify-self: center;
      font-size: 0.84rem;
      color: rgba(236,244,248,0.56);
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .topbar-meta {
      justify-self: end;
      width: 84px;
      height: 8px;
      background: linear-gradient(90deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
      border-radius: 999px;
    }

    .app-screen {
      position: relative;
      min-height: 500px;
      padding: 22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0)),
        radial-gradient(circle at 82% 16%, rgba(89, 194, 201, 0.08), transparent 26%),
        linear-gradient(180deg, #0a141d 0%, #0c1823 100%);
      overflow: hidden;
    }

    .screen-grid {
      display: grid;
      grid-template-columns: 88px 1.2fr 0.9fr;
      gap: 16px;
      height: 100%;
    }

    .rail,
    .panel,
    .panel-right,
    .placeholder-bar,
    .placeholder-line,
    .placeholder-block,
    .mosaic-media,
    .mini-panel,
    .runtime-diagram,
    .governance-visual,
    .architecture-layer,
    .story-media,
    .timeline-node,
    .governance-ledger,
    .governance-strip,
    .spotlight-overlay {
      border-radius: var(--radius);
    }

    .rail {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.04);
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding: 12px;
    }

    .rail .slot {
      height: 36px;
      background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
      border: 1px solid rgba(255,255,255,0.04);
      border-radius: var(--radius);
    }

    .panel,
    .panel-right {
      background: rgba(255,255,255,0.025);
      border: 1px solid rgba(255,255,255,0.045);
      padding: 16px;
      position: relative;
      overflow: hidden;
    }

    .panel-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }

    .panel-title {
      font-size: 0.88rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: rgba(236,244,248,0.54);
    }

    .panel-tag {
      width: 84px;
      height: 10px;
      background: linear-gradient(90deg, rgba(131,214,221,0.26), rgba(255,255,255,0.03));
      border-radius: 999px;
    }

    .placeholder-bar {
      height: 12px;
      background: linear-gradient(90deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
      margin-bottom: 12px;
    }

    .placeholder-line {
      height: 10px;
      background: linear-gradient(90deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
      margin-bottom: 10px;
    }

    .placeholder-line.short { width: 64%; }
    .placeholder-line.mid { width: 82%; }

    .placeholder-block {
      min-height: 180px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
        radial-gradient(circle at 20% 20%, rgba(80, 183, 191, 0.16), transparent 28%);
      border: 1px solid rgba(131,214,221,0.08);
      margin-top: 16px;
      position: relative;
      overflow: hidden;
    }

    .placeholder-block::after,
    .mosaic-media::after,
    .governance-visual::after,
    .spotlight-media::after,
    .story-media::after,
    .governance-ledger::after {
      content: "REPLACE WITH PRODUCT IMAGE / VIDEO";
      position: absolute;
      left: 14px;
      bottom: 12px;
      font-size: 0.68rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: rgba(236,244,248,0.46);
    }

    .story-media.has-video::after,
    .spotlight-media.has-real-media::after {
      content: none;
    }

    .mosaic-media.has-real-media::after,
    .governance-ledger.has-real-media::after {
      content: none;
    }

    .section-head {
      display: grid;
      gap: 36px;
      max-width: 100%;
      margin-bottom: 64px;
    }

    .section-head.centered {
      margin-left: 0;
      margin-right: 0;
      text-align: left;
      grid-template-columns: 1.15fr 1fr;
      align-items: start;
      justify-items: start;
    }

    .section-head.centered .eyebrow {
      grid-column: 1 / -1;
      transform: translateX(-34px);
    }

    .section-head.centered h2 {
      grid-column: 1 / 2;
      max-width: 16ch;
      font-size: clamp(3rem, 5vw, 4.6rem);
      line-height: 0.98;
      letter-spacing: -0.05em;
    }

    .section-head.centered p {
      grid-column: 2 / 3;
      padding-left: 36px;
      border-left: 1px solid var(--accent-2);
      max-width: 58ch;
      margin-bottom: 8px;
      color: var(--text-soft);
      font-size: 1.12rem;
      line-height: 2;
    }

    @media (max-width: 920px) {
      .section-head.centered {
        grid-template-columns: 1fr;
        align-items: start;
      }
      .section-head.centered p {
        grid-column: 1 / -1;
        padding-left: 0;
        border-left: none;
      }
      .eyebrow { transform: none; }
      .eyebrow::before { display: none; }
    }

    .section-head.span-all {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      max-width: 100%;
      margin-bottom: 80px;
    }

    .section-head.span-all .eyebrow {
      transform: none;
      margin-bottom: 24px;
    }

    .section-head.span-all h2 {
      font-size: clamp(1.4rem, 3vw, 4.6rem);
      line-height: 1;
      letter-spacing: -0.04em;
      white-space: nowrap;
      margin-bottom: 32px;
    }

    .section-head.span-all .hero-dash {
      color: var(--accent-2);
      opacity: 0.8;
      padding: 0 10px;
      font-weight: 300;
      white-space: nowrap;
    }

    .section-head.span-all p {
      max-width: 960px;
      text-align: center;
      font-size: 1.15rem;
      line-height: 1.8;
      color: var(--text-soft);
      text-wrap: pretty;
    }

    .spotlight-copy h2,
    .gov-copy h2,
    .final-copy h2 {
      font-size: clamp(3rem, 5vw, 4.6rem);
      line-height: 0.98;
      letter-spacing: -0.05em;
    }

    .section-divider {
      position: absolute;
      left: 28px;
      right: 28px;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(47,169,184,0.20), transparent);
      opacity: 0.82;
    }

    .surface-story {
      display: grid;
      grid-template-columns: 1fr;
      gap: 64px;
      align-items: start;
    }

    .story-card .surface-story-media.has-video {
      aspect-ratio: 2127 / 1079;
      overflow: hidden;
    }

    .story-card,
    .story-band,
    .runtime-card,
    .arch-card,
    .posture-card,
    .cta-panel,
    .governance-visual,
    .footer-grid,
    .spotlight-copy,
    .timeline-rail,
    .governance-notes {
      position: relative;
      border: 1px solid rgba(19, 32, 44, 0.06);
      background-image: 
        repeating-linear-gradient(45deg, rgba(30, 45, 60, 0.015) 0px, transparent 1px, transparent 6px),
        repeating-linear-gradient(-45deg, rgba(30, 45, 60, 0.015) 0px, transparent 1px, transparent 6px),
        linear-gradient(180deg, rgba(255,255,255,0.38), rgba(246,249,251,0.18));
      backdrop-filter: blur(24px) saturate(140%);
      -webkit-backdrop-filter: blur(24px) saturate(140%);
      box-shadow: var(--shadow-1), var(--shadow-2), var(--shadow-3);
      overflow: hidden;
    }

    .story-card {
      padding: 28px;
      display: grid;
      grid-template-columns: 2.4fr 1fr;
      gap: 24px 48px;
    }

    .story-card .story-header {
      grid-column: 1 / -1;
    }

    .story-card .story-header,
    .story-band .story-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .story-label {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--accent-3);
    }

    .story-rule {
      width: 82px;
      height: 1px;
      background: linear-gradient(90deg, rgba(47,169,184,0.66), transparent);
    }

    .story-media {
      position: relative;
      aspect-ratio: 21/9;
      border: 1px solid rgba(19, 32, 44, 0.06);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)),
        radial-gradient(circle at 16% 24%, rgba(99, 203, 210, 0.14), transparent 22%),
        linear-gradient(135deg, rgba(18,34,48,0.96), rgba(11,20,30,0.96));
      overflow: hidden;
    }

    .story-media.has-video {
      background: #09131c;
      isolation: isolate;
      cursor: default;
      touch-action: manipulation;
    }

    .story-media.has-video::before,
    .spotlight-browser.has-video::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7, 14, 20, 0.02), rgba(7, 14, 20, 0.18));
      pointer-events: none;
      z-index: 1;
    }

    .spotlight-media.has-real-media,
    .spotlight-browser.has-video {
      isolation: isolate;
      touch-action: manipulation;
    }

    .spotlight-media.has-real-media {
      width: min(100%, 1320px);
      min-height: 0;
      margin-inline: auto;
    }

    .hero-shot-video,
    .surface-story-video,
    .browser-spotlight-video {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      user-select: none;
      z-index: 0;
    }

    .surface-story-video {
      object-position: center center;
      transform: none;
    }

    @media (min-width: 1181px) {
      .hero {
        padding-top: 48px;
      }

      .hero-grid {
        gap: 22px;
        justify-items: center;
      }

      .hero-copy-intro,
      .hero-copy-support {
        justify-items: center;
        text-align: center;
      }

      .hero-copy-intro {
        width: min(100%, var(--hero-stage-width));
      }

      .hero-copy-intro .eyebrow {
        width: fit-content;
        justify-content: center;
        gap: 18px;
        margin-bottom: 28px;
        margin-inline: auto;
      }

      .hero-copy-intro .eyebrow::before {
        margin-right: 0;
      }

      .hero-copy-intro .eyebrow::after {
        content: "";
        display: inline-block;
        width: 42px;
        height: 2px;
        background: linear-gradient(90deg, transparent, var(--accent-2));
      }

      .hero-copy-intro h1 {
        width: 100%;
        max-width: none;
        white-space: nowrap;
        font-size: var(--hero-title-size);
        text-align: center;
      }

      .hero-copy-support {
        width: min(100%, var(--hero-support-width));
        max-width: none;
      }

      .hero-copy-support p.lead {
        max-width: 72ch;
        margin-inline: auto;
      }

      .hero-copy-support .cta-row {
        justify-content: center;
      }

      .hero-visual-wrap {
        width: min(100%, 960px);
      }

      .hero-visual-glow {
        inset: 6% 10% 8% 10%;
      }

      .app-frame.hero-shot-frame {
        padding: 12px;
      }

      .surface-story-media.has-video {
        padding: 12px;
        border-color: rgba(19, 32, 44, 0.08);
        background:
          linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,248,250,0.92)),
          radial-gradient(circle at 18% 18%, rgba(102,210,216,0.12), transparent 32%);
        box-shadow: 0 18px 38px rgba(12, 24, 36, 0.08), inset 0 1px 0 rgba(255,255,255,0.90);
      }

      .surface-story-media.has-video::before {
        inset: 12px;
        border-radius: calc(var(--radius) - 6px);
        background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
        box-shadow: inset 0 0 0 1px rgba(19, 32, 44, 0.06);
      }

      .surface-story-media .surface-story-video {
        inset: 12px;
        width: calc(100% - 24px);
        height: calc(100% - 24px);
        border-radius: calc(var(--radius) - 6px);
        object-fit: cover;
        object-position: center center;
        background: transparent;
        transform: none;
      }

      .surface-story-media .media-video-controls {
        left: 20px;
        right: 20px;
        bottom: 16px;
      }
    }

    .story-media .gridlines,
    .mosaic-media .gridlines {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 26px 26px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), transparent 95%);
    }

    .story-meta {
      display: grid;
      grid-template-columns: 1fr;
      align-content: center;
      gap: 28px;
    }

    .story-meta div {
      border-top: 1px solid rgba(19, 32, 44, 0.08);
      padding-top: 16px;
      text-align: left;
    }

    .story-meta strong,
    .surface-caption strong,
    .timeline-node strong,
    .governance-note strong {
      display: block;
      margin-bottom: 6px;
      font-size: 0.96rem;
      color: var(--text);
    }

    .story-meta span,
    .surface-caption span,
    .timeline-node span,
    .governance-note span {
      color: var(--text-soft);
      line-height: 1.65;
      font-size: 0.92rem;
    }

    .story-band {
      min-height: 640px;
      padding: 28px;
      display: grid;
      grid-template-rows: auto auto 1fr;
      gap: 24px;
    }

    .surface-stack {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }

    .feature-card {
      padding: 20px;
      min-height: 248px;
      transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
    }

    .runtime-card:hover,
    .arch-card:hover,
    .posture-card:hover,
    .story-card:hover,
    .story-band:hover,
    .spotlight-copy:hover,
    .timeline-rail:hover,
    .governance-notes:hover {
      transform: translateY(-8px) scale(1.006);
      border-color: rgba(47,169,184,0.18);
      box-shadow: 0 46px 90px rgba(13, 26, 38, 0.12), 0 16px 36px rgba(50, 168, 179, 0.10), inset 0 1px 0 rgba(255,255,255,0.85);
    }

    .feature-accent {
      position: absolute;
      left: 16px;
      right: 16px;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(47,169,184,0.78), transparent);
      transform: translateX(-38%);
      opacity: 0;
      transition: transform var(--transition-slow), opacity var(--transition-mid);
    }

    .feature-card:hover .feature-accent { transform: translateX(0%); opacity: 1; }

    .mosaic-media {
      aspect-ratio: 4/5;
      margin-bottom: 24px;
      border: 1px solid rgba(19, 32, 44, 0.06);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)),
        radial-gradient(circle at 16% 24%, rgba(99, 203, 210, 0.18), transparent 22%),
        linear-gradient(135deg, rgba(18,34,48,0.96), rgba(11,20,30,0.96));
      position: relative;
      overflow: hidden;
      transform: translate3d(0,0,0);
      transition: transform var(--transition-mid);
    }

    .mosaic-media.has-real-media {
      background: #0b1219;
    }

    .mosaic-shot-frame {
      display: block;
      width: 100%;
      height: 100%;
    }

    .mosaic-shot-image {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center center;
    }

    .mosaic-shot-image.mobile-remote-shot {
      object-position: center 48%;
    }

    .feature-card:hover .mosaic-media { transform: translateY(-3px) scale(1.012); }

    .mosaic-media .screen-bars,
    .story-media .screen-bars {
      position: absolute;
      top: 16px;
      left: 16px;
      right: 16px;
      display: grid;
      gap: 8px;
    }

    .mosaic-media .screen-bars span,
    .story-media .screen-bars span {
      display: block;
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(255,255,255,0.10), rgba(255,255,255,0.02));
    }

    .mosaic-media .screen-bars span:nth-child(1),
    .story-media .screen-bars span:nth-child(1) { width: 52%; }
    .mosaic-media .screen-bars span:nth-child(2),
    .story-media .screen-bars span:nth-child(2) { width: 78%; }
    .mosaic-media .screen-bars span:nth-child(3),
    .story-media .screen-bars span:nth-child(3) { width: 64%; }

    .feature-card h3,
    .runtime-card h3,
    .arch-card h3,
    .posture-card h3,
    .footer-title,
    .story-card h3,
    .story-band h3 {
      font-size: 1.65rem;
      line-height: 1.14;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
      position: relative;
      padding-left: 24px;
      font-weight: 600;
    }

    .feature-card h3::before,
    .runtime-card h3::before,
    .arch-card h3::before,
    .posture-card h3::before,
    .story-card h3::before,
    .story-band h3::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 6px;
      height: 22px;
      background: var(--accent-2);
      box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.12);
      border-radius: var(--radius);
    }

    .feature-card p,
    .runtime-card p,
    .arch-card p,
    .posture-card p,
    .footer-column p,
    .footer-column a,
    .gov-copy p,
    .spotlight-copy p,
    .final-copy p,
    .story-card p,
    .story-band p {
      color: var(--text-soft);
      line-height: 1.82;
      font-size: 1rem;
    }

    .browser-spotlight-grid,
    .governance-grid,
    .posture-grid {
      display: grid;
      gap: 34px;
      align-items: center;
      min-width: 0;
    }

    .browser-spotlight-grid {
      grid-template-columns: 58fr 42fr;
      gap: 54px;
      align-items: center;
    }
    .governance-grid { grid-template-columns: 1.02fr 0.98fr; }
    .posture-grid {
      grid-template-columns: repeat(2, minmax(0,1fr));
      align-items: stretch;
      width: 100%;
      overflow-x: clip;
    }

    .spotlight-media {
      width: min(100%, 1180px);
      min-height: 0;
      margin-inline: auto;
      padding: 18px;
      transition: transform var(--transition-mid);
      transform-style: preserve-3d;
    }

    .spotlight-media:hover {
      transform: perspective(1400px) rotateX(1.2deg) rotateY(-1.4deg) translateY(-4px);
    }

    .spotlight-browser {
      min-height: 100%;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.05);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)),
        radial-gradient(circle at 80% 14%, rgba(102,210,216,0.18), transparent 24%),
        linear-gradient(180deg, #0a151f, #0c1822 100%);
      overflow: hidden;
      position: relative;
    }

    .spotlight-browser.has-video {
      background: #09131c;
      aspect-ratio: 16 / 9;
      min-height: 0;
      display: block;
    }

    @media (min-width: 1181px) {
      #browser .spotlight-media.has-real-media {
        width: min(100%, var(--hero-stage-width));
      }
    }

    @media (min-width: 1181px) and (max-height: 980px) {
      .hero-visual-wrap {
        width: min(100%, 940px);
      }

      #browser .section-head {
        margin-bottom: 32px;
      }

      #browser .spotlight-media.has-real-media {
        width: min(100%, 940px);
      }
    }

    @media (min-width: 1181px) and (max-height: 840px) {
      .hero-visual-wrap {
        width: min(100%, 880px);
      }

      #browser .section-head {
        margin-bottom: 24px;
      }

      #browser .spotlight-media.has-real-media {
        width: min(100%, 880px);
      }
    }

    .edge-shimmer {
      position: absolute;
      inset: 0;
      background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,0.06) 48%, transparent 54%);
      transform: translateX(-120%);
      animation: shimmer 10s ease-in-out infinite;
      pointer-events: none;
    }

    .spotlight-browser.has-video .edge-shimmer {
      z-index: 2;
      opacity: 0.42;
      mix-blend-mode: screen;
    }

    .browser-spotlight-video {
      object-position: center top;
    }

    .media-video-controls {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 10px;
      opacity: 0;
      transform: translateY(10px);
      transition: opacity var(--transition-fast), transform var(--transition-fast);
      pointer-events: none;
      z-index: 3;
    }

    .media-video-progress-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 12px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.18);
      background: rgba(9, 19, 28, 0.78);
      box-shadow: 0 14px 26px rgba(6, 14, 22, 0.22);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .media-video-progress {
      --progress: 0%;
      flex: 1 1 auto;
      width: 100%;
      margin: 0;
      appearance: none;
      -webkit-appearance: none;
      background: transparent;
      cursor: pointer;
      accent-color: var(--accent-2);
    }

    .media-video-progress:focus-visible {
      outline: none;
    }

    .media-video-progress::-webkit-slider-runnable-track {
      height: 4px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(77, 199, 207, 0.96) 0 var(--progress), rgba(255,255,255,0.2) var(--progress) 100%);
    }

    .media-video-progress::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 14px;
      height: 14px;
      margin-top: -5px;
      border: 0;
      border-radius: 50%;
      background: #f4fbfd;
      box-shadow: 0 0 0 3px rgba(77, 199, 207, 0.18);
    }

    .media-video-progress::-moz-range-track {
      height: 4px;
      border: 0;
      border-radius: 999px;
      background: rgba(255,255,255,0.2);
    }

    .media-video-progress::-moz-range-progress {
      height: 4px;
      border-radius: 999px;
      background: rgba(77, 199, 207, 0.96);
    }

    .media-video-progress::-moz-range-thumb {
      width: 14px;
      height: 14px;
      border: 0;
      border-radius: 50%;
      background: #f4fbfd;
      box-shadow: 0 0 0 3px rgba(77, 199, 207, 0.18);
    }

    .media-video-time {
      min-width: 82px;
      text-align: right;
      font-size: 0.74rem;
      font-weight: 600;
      line-height: 1;
      color: var(--text-on-dark-soft);
      white-space: nowrap;
      font-variant-numeric: tabular-nums;
    }

    .media-video-actions {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
    }

    .hero-shot-shell.has-video:hover .media-video-controls,
    .hero-shot-shell.has-video:focus-within .media-video-controls,
    .hero-shot-shell.has-video.controls-visible .media-video-controls,
    .story-media.has-video:hover .media-video-controls,
    .story-media.has-video:focus-within .media-video-controls,
    .story-media.has-video.controls-visible .media-video-controls,
    .spotlight-browser.has-video:hover .media-video-controls,
    .spotlight-browser.has-video:focus-within .media-video-controls,
    .spotlight-browser.has-video.controls-visible .media-video-controls {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .media-video-btn {
      min-height: 42px;
      padding: 0 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.18);
      background: rgba(9, 19, 28, 0.78);
      color: var(--text-on-dark);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font: inherit;
      font-size: 0.88rem;
      font-weight: 600;
      letter-spacing: 0;
      cursor: pointer;
      box-shadow: 0 14px 26px rgba(6, 14, 22, 0.22);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    }

    .media-video-btn:hover,
    .media-video-btn:focus-visible {
      background: rgba(13, 27, 39, 0.92);
      border-color: rgba(116, 226, 232, 0.34);
      transform: translateY(-1px);
      outline: none;
    }

    .media-video-btn:active {
      transform: translateY(0);
    }

    .media-video-btn.icon-only {
      width: 42px;
      padding: 0;
      flex: 0 0 auto;
    }

    .media-video-icon {
      width: 16px;
      height: 16px;
      display: block;
      flex: 0 0 auto;
    }

    .media-video-icon-play {
      display: none;
    }

    .story-media.has-video.is-paused .media-video-icon-play,
    .spotlight-browser.has-video.is-paused .media-video-icon-play {
      display: block;
    }

    .story-media.has-video.is-paused .media-video-icon-pause,
    .spotlight-browser.has-video.is-paused .media-video-icon-pause {
      display: none;
    }

    .media-video-btn-label {
      line-height: 1;
      white-space: nowrap;
    }

    .browser-shell {
      height: 72px;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      padding: 14px 16px;
      display: grid;
      gap: 10px;
      background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.008));
    }

    .browser-tabs,
    .browser-toolbar {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .browser-tabs span,
    .browser-toolbar span {
      display: inline-block;
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    }

    .browser-tabs span:nth-child(1) { width: 96px; }
    .browser-tabs span:nth-child(2) { width: 142px; background: linear-gradient(90deg, rgba(102,210,216,0.22), rgba(255,255,255,0.04)); }
    .browser-tabs span:nth-child(3) { width: 78px; }
    .browser-toolbar span:nth-child(1) { width: 36px; }
    .browser-toolbar span:nth-child(2) { width: 36px; }
    .browser-toolbar span:nth-child(3) { width: 36px; }
    .browser-toolbar span:nth-child(4) { width: calc(100% - 148px); }

    .browser-body {
      min-height: 548px;
      padding: 18px;
      display: grid;
      grid-template-columns: 180px 1fr 260px;
      gap: 16px;
    }

    .browser-side,
    .browser-main,
    .browser-inspector {
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.05);
      background: rgba(255,255,255,0.025);
      padding: 14px;
    }

    .browser-side .slot,
    .browser-inspector .slot {
      height: 42px;
      margin-bottom: 10px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
      border: 1px solid rgba(255,255,255,0.04);
    }

    .browser-main .hero-panel {
      height: 210px;
      border-radius: var(--radius);
      border: 1px solid rgba(131,214,221,0.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
        radial-gradient(circle at 18% 24%, rgba(74, 178, 188, 0.20), transparent 22%),
        linear-gradient(180deg, rgba(12,22,31,0.96), rgba(11,20,29,0.98));
      margin-bottom: 14px;
      position: relative;
      overflow: hidden;
    }

    .browser-main .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: 0.45;
    }

    .browser-main .row {
      height: 12px;
      margin-bottom: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    }

    .browser-main .row.short { width: 62%; }
    .browser-main .row.medium { width: 78%; }

    .spotlight-copy,
    .gov-copy,
    .final-copy {
      display: grid;
      gap: 18px;
    }

    .spotlight-copy {
      padding: 36px;
      align-content: center;
      min-height: 660px;
    }

    .spotlight-list {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 56px 42px;
    }

    .feature-list,
    .gov-pillars,
    .footer-links,
    .steps {
      display: grid;
      gap: 16px;
      min-width: 0;
    }

    .feature-list div,
    .gov-pillar,
    .step {
      border-top: 1px solid rgba(19, 32, 44, 0.08);
      padding-top: 12px;
      min-width: 0;
    }

    .feature-list strong,
    .gov-pillar strong,
    .step strong,
    .runtime-meta,
    .arch-label,
    .stat-value {
      display: block;
      color: var(--text);
      font-weight: 700;
      font-size: 1.25rem;
      letter-spacing: -0.02em;
      margin-bottom: 8px;
    }

    .support-line {
      color: var(--accent-2);
      font-size: 1.15rem;
      font-weight: 500;
      letter-spacing: 0.02em;
      text-shadow: 0 4px 18px rgba(77, 199, 207, 0.22);
    }

    .runtime-layout {
      display: grid;
      grid-template-columns: 0.96fr 1.04fr;
      gap: 34px;
      align-items: stretch;
      margin-top: 20px;
    }

    .timeline-rail {
      padding: 28px;
      display: flex;
      flex-direction: column;
      align-content: start;
      min-height: auto;
    }

    .timeline-line {
      position: absolute;
      left: 36px;
      top: 42px;
      bottom: 28px;
      width: 1px;
      background: linear-gradient(180deg, rgba(47,169,184,0.28), rgba(47,169,184,0.06));
    }

    .timeline-node {
      position: relative;
      padding: 14px 14px 14px 42px;
      border-bottom: 1px solid rgba(19, 32, 44, 0.055);
      transition: background var(--transition-fast);
    }

    .timeline-node:last-child { border-bottom: none; }
    .timeline-node:hover { background: rgba(47, 169, 184, 0.03); border-radius: var(--radius); }

    .timeline-node::before {
      content: "";
      position: absolute;
      left: 8px;
      top: 50%;
      transform: translateY(-50%);
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--accent-2), var(--accent-3));
      box-shadow: 0 0 0 5px rgba(47,169,184,0.10);
    }

    .runtime-grid,
    .architecture-grid,
    .runtime-stats,
    .footer-grid {
      display: grid;
      gap: 22px;
    }

    .runtime-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .architecture-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .architecture-grid .arch-card { grid-column: span 2; }
    .runtime-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 80px; padding-bottom: 12px; }
    .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 40px; }
    .flow-diagram {
      display: flex;
      gap: 16px;
      align-items: center;
      overflow-x: auto;
      padding: 16px 0;
      margin-top: 48px;
    }

    .flow-node {
      flex: 1;
      min-width: 200px;
      padding: 24px;
      background: rgba(255,255,255,0.025);
      border: 1px solid rgba(19, 32, 44, 0.08);
      border-radius: var(--radius);
      box-shadow: var(--shadow-1), inset 0 1px 0 rgba(255,255,255,0.4);
      position: relative;
      transition: transform var(--transition-mid), border-color var(--transition-fast);
    }
    
    .flow-node:hover {
      transform: translateY(-2px);
      border-color: rgba(47, 169, 184, 0.24);
    }

    .flow-node-title {
      font-weight: 600;
      font-size: 0.95rem;
      margin-bottom: 8px;
      color: var(--text);
    }

    .flow-node-subtext {
      font-size: 0.85rem;
      color: var(--text-soft);
      line-height: 1.5;
    }

    .flow-connector {
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(47, 169, 184, 0.4);
      flex-shrink: 0;
    }

    .runtime-card,
    .arch-card,
    .posture-card {
      padding: 28px;
      width: 100%;
      min-width: 0;
      max-width: 100%;
      transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
    }

    .runtime-meta,
    .arch-label {
      color: var(--accent-3);
      font-size: 0.82rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 14px;
    }

    .stat-card {
      padding: 16px 0 8px;
      border-top: 1px solid rgba(19, 32, 44, 0.08);
      text-align: center;
    }

    .stat-value {
      font-size: clamp(2rem, 3vw, 2.8rem);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      color: var(--text-soft);
      line-height: 1.6;
      font-size: 0.94rem;
    }

    .governance-band {
      background:
        radial-gradient(circle at 84% 24%, rgba(47,169,184,0.08), transparent 22%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(250, 250, 251, 0.96));
    }

    .governance-visual {
      min-height: 640px;
      padding: 18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.78), rgba(255,255,255,0.58)),
        radial-gradient(circle at 80% 18%, rgba(86, 185, 193, 0.10), transparent 28%),
        linear-gradient(180deg, rgba(253,254,255,0.98), rgba(250,251,252,0.98));
      display: grid;
      gap: 18px;
      grid-template-rows: 1fr auto;
    }

    .governance-ledger {
      position: relative;
      min-height: 100%;
      border: 1px solid rgba(19, 32, 44, 0.06);
      background:
        linear-gradient(180deg, rgba(16,28,39,0.97), rgba(12,22,31,0.98));
      padding: 16px;
      overflow: hidden;
    }

    .gov-gridlines {
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: 0.28;
      pointer-events: none;
    }

    .gov-panel {
      position: relative;
      min-height: 100%;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.05);
      background: rgba(255,255,255,0.02);
      padding: 16px;
      overflow: hidden;
    }

    .gov-panel.has-media {
      display: flex;
      padding: 0;
      background: rgba(8, 14, 22, 0.72);
      border-color: rgba(255,255,255,0.08);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
    }

    .gov-product-shot-frame {
      display: block;
      flex: 1 1 auto;
      min-height: 100%;
      background: #090f16;
    }

    .gov-product-shot {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center top;
    }

    .gov-header,
    .gov-row,
    .gov-artifact,
    .governance-strip,
    .governance-notes {
      border-radius: var(--radius);
      border: 1px solid rgba(19, 32, 44, 0.06);
      background: rgba(255,255,255,0.70);
    }

    .gov-header {
      padding: 14px;
      margin-bottom: 14px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
    }

    .gov-row {
      padding: 14px;
      margin-bottom: 10px;
      display: grid;
      grid-template-columns: 1fr 112px;
      gap: 12px;
      align-items: center;
    }

    .gov-row .bar,
    .gov-header .bar,
    .gov-artifact .bar,
    .governance-strip .bar {
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(19,32,44,0.10), rgba(19,32,44,0.03));
    }

    .gov-row .bar.short { width: 64%; }
    .gov-row .bar.mid { width: 82%; }

    .gov-artifact {
      margin-top: 18px;
      padding: 16px;
      display: grid;
      gap: 12px;
      position: relative;
      background: rgba(255,255,255,0.04);
      border-color: rgba(255,255,255,0.06);
    }

    .receipt-pulse {
      position: absolute;
      right: 16px;
      top: 16px;
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: rgba(102,210,216,0.62);
      box-shadow: 0 0 0 0 rgba(102,210,216,0.36);
      animation: pulse 4s ease-in-out infinite;
    }

    .governance-notes {
      padding: 18px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 14px;
      background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.64));
    }

    .governance-note {
      border-top: 1px solid rgba(19,32,44,0.08);
      padding-top: 10px;
    }

    .architecture-grid { margin-top: 26px; }

    .arch-card {
      min-height: 240px;
      display: grid;
      align-content: start;
      gap: 12px;
    }

    .arch-card::after {
      content: "";
      position: absolute;
      inset: auto 18px 0 18px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(47,169,184,0.22), transparent);
      opacity: 0.5;
    }

    .architecture-note,
    .posture-note,
    .final-note,
    .footer-note {
      margin-top: 36px;
      color: var(--accent-2);
      font-size: 1.15rem;
      font-weight: 500;
      letter-spacing: 0.02em;
      text-align: center;
      text-shadow: 0 4px 18px rgba(77, 199, 207, 0.22);
    }

    .posture-card { min-height: 240px; }

    .feature-list span,
    .posture-card p {
      overflow-wrap: anywhere;
    }

    .cta-panel {
      padding: 32px 48px 48px 48px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.80), rgba(255,255,255,0.62)),
        radial-gradient(circle at 50% 0%, rgba(102,210,216,0.10), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.88));
    }

    .final-copy h2 {
      font-size: clamp(3rem, 5vw, 4.6rem);
      line-height: 0.98;
      letter-spacing: -0.04em;
      margin-bottom: 24px;
    }

    .steps {
      grid-template-columns: repeat(3, minmax(0,1fr));
      margin-top: 40px;
      gap: 28px;
    }

    .step-index {
      color: var(--accent-3);
      font-size: 0.82rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    footer { padding: 56px 28px 64px; }

    .footer-column { display: grid; gap: 14px; justify-items: center; text-align: center; }
    .footer-title { margin-bottom: 2px; }

    .footer-links a {
      color: var(--text-soft);
      transition: color var(--transition-fast), transform var(--transition-fast);
      width: fit-content;
      margin: 0 auto;
    }

    .footer-links a:hover {
      color: var(--text);
      transform: translateY(-2px);
    }

    .footer-bottom {
      max-width: var(--max);
      margin: 18px auto 0;
      padding: 0 2px;
      color: var(--text-muted);
      font-size: 0.9rem;
      text-align: center;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity var(--transition-slow), transform var(--transition-slow);
    }

    .reveal.in-view {
      opacity: 1;
      transform: translateY(0);
    }

    @keyframes frameFloat {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-2px); }
    }

    @keyframes shimmer {
      0%, 100% { transform: translateX(-120%); opacity: 0; }
      18% { opacity: 0; }
      34% { opacity: 1; }
      48% { transform: translateX(120%); opacity: 0; }
    }

    @keyframes pulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(102,210,216,0.0); opacity: 0.68; }
      45% { box-shadow: 0 0 0 10px rgba(102,210,216,0.0); opacity: 1; }
    }

    @media (max-width: 1180px) {
      .header-inner {
        display: flex;
        gap: 14px;
      }
      .main-nav { display: none; }
      .mobile-nav { display: inline-block; }
      .brand { flex: 0 0 auto; }
      .mobile-nav { margin-left: auto; }
      .header-actions { flex: 0 0 auto; gap: 12px; }
      .hero-grid,
      .browser-spotlight-grid,
      .governance-grid,
      .runtime-layout,
      .runtime-stats,
      .posture-grid,
      .footer-grid,
      .surface-story,
      .surface-stack,
      .governance-notes {
        grid-template-columns: 1fr 1fr;
      }
      .hero-grid,
      .browser-spotlight-grid,
      .governance-grid,
      .runtime-layout,
      .surface-story { grid-template-columns: 1fr; }
      .runtime-grid,
      .steps,
      .architecture-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
      }
      .runtime-grid .runtime-card:last-child,
      .steps .step:last-child,
      .architecture-grid .arch-card:last-child {
        grid-column: 1 / -1;
      }
      .architecture-grid .arch-card:nth-last-child(-n+2) {
        grid-column: auto;
      }
      .hero-visual-wrap { padding-left: 0; }
      .spotlight-copy { min-height: auto; }
    }

    @media (max-width: 820px) {
      :root {
        --header-h: 68px;
      }

      section {
        padding: 56px 16px 88px;
        scroll-margin-top: var(--header-h);
      }

      .hero {
        padding: 24px 16px 88px;
      }

      .container,
      .hero-grid,
      .hero-copy,
      .hero-visual-wrap,
      .app-frame,
      .spotlight-media,
      .spotlight-copy,
      .gov-copy,
      .final-copy {
        min-width: 0;
      }

      .header-inner {
        display: flex;
        height: var(--header-h);
        padding: 0 16px;
        gap: 12px;
        align-items: center;
      }

      .brand {
        gap: 10px;
        flex: 0 0 auto;
      }

      .brand-wordmark {
        font-size: 0.92rem;
      }

      .mobile-nav {
        display: inline-block;
        margin-left: auto;
      }

      .mobile-nav-trigger {
        min-height: 40px;
        padding: 0 12px;
        font-size: 0.84rem;
      }

      .mobile-nav-panel {
        width: min(292px, calc(100vw - 32px));
      }

      .header-actions {
        flex: 0 0 auto;
        gap: 8px;
      }

      .header-actions .docs-link {
        display: none;
      }

      .header-actions .qr-action-btn {
        width: 40px;
        height: 40px;
        padding: 0;
        margin-right: 0;
        border: 1px solid rgba(19, 32, 44, 0.08);
        border-radius: var(--radius);
        background: rgba(255,255,255,0.62);
        box-shadow: var(--shadow-3);
      }

      .header-actions .qr-action-btn:hover {
        border-color: rgba(47, 169, 184, 0.24);
      }

      #header-cta-download {
        min-width: 90px;
      }

      .button {
        min-height: 42px;
        padding: 0 14px;
      }

      .hero-grid {
        gap: 28px;
      }

      .hero-copy p.lead {
        max-width: none;
        font-size: 1rem;
        line-height: 1.72;
      }

      .cta-row {
        gap: 12px;
      }

      .download-meta {
        font-size: 0.92rem;
      }

      .download-links {
        gap: 10px;
      }

      .download-link {
        min-height: 42px;
      }

      .eyebrow {
        max-width: 100%;
        margin-bottom: 18px;
        flex-wrap: wrap;
        gap: 8px 12px;
        font-size: 0.76rem;
        line-height: 1.45;
        letter-spacing: 0.14em;
      }

      .eyebrow::before {
        width: 24px;
        margin-right: 0;
        flex: 0 0 24px;
      }

      .section-head {
        gap: 20px;
        margin-bottom: 40px;
      }

      .section-head.centered {
        grid-template-columns: 1fr;
        gap: 18px;
      }

      .section-head.centered .eyebrow {
        transform: none;
        grid-column: 1 / -1;
      }

      .section-head.centered h2 {
        max-width: 100%;
        font-size: clamp(2.1rem, 11vw, 3rem);
        line-height: 1.02;
        letter-spacing: -0.04em;
      }

      .section-head.centered p {
        grid-column: 1 / -1;
        max-width: 100%;
        padding-left: 0;
        border-left: none;
        font-size: 0.98rem;
        line-height: 1.72;
      }

      .section-head.span-all {
        margin-bottom: 48px;
      }

      .section-head.span-all .eyebrow {
        margin-bottom: 16px;
      }

      .section-head.span-all h2 {
        white-space: normal;
        font-size: clamp(1.85rem, 8.6vw, 2.75rem);
        line-height: 1.04;
        margin-bottom: 18px;
      }

      .section-head.span-all p {
        font-size: 0.98rem;
        line-height: 1.72;
      }

      h1 {
        max-width: none;
        font-size: clamp(2.2rem, 12vw, 3.3rem);
        line-height: 0.98;
      }

      .spotlight-copy h2,
      .gov-copy h2,
      .final-copy h2 {
        font-size: clamp(2rem, 10vw, 3rem);
        line-height: 1.03;
        letter-spacing: -0.035em;
      }

      .support-line,
      .architecture-note,
      .posture-note,
      .final-note,
      .footer-note,
      .bfg-kicker {
        font-size: 1rem;
        line-height: 1.58;
      }

      .proof-grid,
      .surface-stack,
      .runtime-grid,
      .runtime-stats,
      .posture-grid,
      .steps,
      .architecture-grid,
      .footer-grid,
      .story-meta,
      .spotlight-list,
      .governance-notes {
        grid-template-columns: 1fr;
      }

      .architecture-grid {
        overflow-x: clip;
      }

      .architecture-grid .arch-card,
      .architecture-grid .arch-card:last-child,
      .architecture-grid .arch-card:nth-last-child(-n+2) {
        grid-column: auto / span 1;
        width: 100%;
        min-width: 0;
        margin: 0;
      }

      .feature-card,
      .runtime-card,
      .arch-card,
      .posture-card,
      .story-card,
      .story-band,
      .timeline-rail {
        min-height: auto;
        padding: 20px;
      }

      .feature-card {
        min-height: auto;
      }

      .posture-grid {
        gap: 16px;
      }

      .posture-card {
        margin: 0;
      }

      .surface-story {
        gap: 28px;
      }

      .story-card {
        grid-template-columns: 1fr;
        gap: 18px;
      }

      .story-card .story-header,
      .story-band .story-header {
        align-items: flex-start;
        flex-direction: column;
      }

      .story-rule {
        width: 56px;
      }

      .story-media {
        aspect-ratio: 4 / 3;
      }

      .story-media.has-video {
        aspect-ratio: 21 / 9;
      }

      .story-meta {
        gap: 18px;
      }

      .story-meta div {
        padding-top: 12px;
      }

      .feature-accent {
        left: 12px;
        right: 12px;
        transform: none;
        opacity: 0.55;
      }

      .mosaic-media {
        margin-bottom: 18px;
      }

      .feature-card h3,
      .runtime-card h3,
      .arch-card h3,
      .posture-card h3,
      .footer-title,
      .story-card h3,
      .story-band h3 {
        font-size: 1.25rem;
        line-height: 1.18;
        margin-bottom: 16px;
        padding-left: 18px;
      }

      .feature-card h3::before,
      .runtime-card h3::before,
      .arch-card h3::before,
      .posture-card h3::before,
      .story-card h3::before,
      .story-band h3::before {
        width: 4px;
        height: 18px;
      }

      .feature-card p,
      .runtime-card p,
      .arch-card p,
      .posture-card p,
      .footer-column p,
      .footer-column a,
      .gov-copy p,
      .spotlight-copy p,
      .final-copy p,
      .story-card p,
      .story-band p,
      .timeline-node span,
      .governance-note span,
      .cflow-content p,
      .bfg-item p,
      .flow-node-subtext,
      .ent-check,
      .br-desc {
        font-size: 0.95rem;
        line-height: 1.72;
      }

      .hero-visual-wrap {
        padding: 0;
      }

      .app-frame.hero-shot-frame {
        padding: 8px;
      }

      .hero-shot-shell {
        border-radius: calc(var(--radius) - 4px);
      }

      .hero-shot-shell.has-video {
        min-height: 0;
        aspect-ratio: 16 / 9;
      }

      .app-topbar {
        grid-template-columns: auto 1fr auto;
        gap: 10px;
        padding: 0 12px;
      }

      .topbar-meta {
        width: 56px;
      }

      .app-screen {
        min-height: auto;
        padding: 14px;
        aspect-ratio: 4 / 5;
      }

      .screen-grid,
      .browser-body {
        grid-template-columns: 1fr;
      }

      .panel,
      .panel-right,
      .browser-side,
      .browser-main,
      .browser-inspector {
        padding: 12px;
      }

      .placeholder-block {
        min-height: 148px;
      }

      .panel-tag {
        width: 56px;
      }

      .proof-item {
        min-height: 52px;
        padding: 12px 14px;
        font-size: 0.88rem;
      }

      .proof-ticker-inner {
        gap: 20px;
      }

      .proof-ticker-inner span {
        font-size: 0.78rem;
      }

      .proof-ticker-inner span::before {
        margin-right: 8px;
      }

      .spotlight-media,
      .governance-visual,
      .spotlight-copy,
      .story-card,
      .story-band {
        min-height: auto;
      }

      .spotlight-media {
        padding: 12px;
      }

      .spotlight-browser.has-video {
        min-height: 0;
        aspect-ratio: 16 / 9;
      }

      .media-video-controls {
        left: 12px;
        right: 12px;
        bottom: 12px;
        gap: 8px;
      }

      .media-video-progress-wrap {
        gap: 10px;
        padding: 9px 10px;
      }

      .media-video-time {
        min-width: 72px;
        font-size: 0.7rem;
      }

      .media-video-btn {
        min-height: 40px;
        padding: 0 12px;
        font-size: 0.84rem;
      }

      .media-video-btn.icon-only {
        width: 40px;
      }

      .spotlight-copy {
        padding: 24px 20px;
        gap: 14px;
      }

      .spotlight-list {
        gap: 18px;
      }

      .browser-side,
      .browser-inspector {
        display: none;
      }

      .browser-shell {
        height: auto;
        padding: 12px;
      }

      .browser-tabs,
      .browser-toolbar {
        gap: 8px;
      }

      .browser-tabs span:nth-child(1) {
        width: 68px;
      }

      .browser-tabs span:nth-child(2) {
        width: 112px;
      }

      .browser-tabs span:nth-child(3) {
        width: 56px;
      }

      .browser-toolbar span:nth-child(1),
      .browser-toolbar span:nth-child(2),
      .browser-toolbar span:nth-child(3) {
        width: 28px;
      }

      .browser-toolbar span:nth-child(4) {
        width: calc(100% - 108px);
      }

      .browser-body {
        min-height: auto;
        padding: 12px;
        gap: 12px;
      }

      .browser-main .hero-panel {
        height: 164px;
      }

      .runtime-layout {
        gap: 20px;
      }

      .runtime-grid,
      .architecture-grid,
      .runtime-stats,
      .steps,
      .posture-grid {
        gap: 16px;
      }

      .runtime-stats {
        margin-top: 32px;
      }

      .flow-diagram {
        flex-direction: column;
        align-items: stretch;
        margin-top: 32px;
      }

      .flow-connector {
        transform: rotate(90deg);
        padding: 8px 0;
      }

      .flow-node {
        min-width: 0;
        padding: 18px;
      }

      .cflow {
        margin-top: 40px;
        grid-template-columns: 1fr;
        gap: 0;
      }

      .cflow-arrow {
        transform: rotate(90deg);
        margin: 4px auto;
        width: 36px;
      }

      .cflow-node {
        height: auto;
        padding: 20px 18px;
      }

      .cflow-content strong {
        font-size: 0.96rem;
      }

      .bfg {
        grid-template-columns: 1fr;
        margin-top: 36px;
      }

      .bfg-item {
        border-right: none !important;
        padding: 20px 0 !important;
      }

      .bfg-item strong {
        font-size: 0.98rem;
        margin-bottom: 8px;
      }

      .timeline-line {
        display: none;
      }

      .timeline-node {
        padding: 12px 12px 12px 36px;
      }

      .timeline-node::before {
        left: 8px;
      }

      .timeline-rail {
        min-height: auto;
      }

      .ah-orchestrator,
      .ah-agent {
        padding: 20px;
      }

      .ah-supervision {
        grid-template-columns: 1fr;
      }

      .ah-supervision-label,
      .ah-supervision-text {
        padding: 18px 20px;
      }

      .ah-supervision-text {
        font-size: 0.92rem;
      }

      .governance-grid {
        grid-template-columns: 1fr;
      }

      .gov-header,
      .gov-row,
      .gov-artifact,
      .governance-strip,
      .governance-notes {
        padding: 12px;
      }

      .gov-row {
        grid-template-columns: 1fr 84px;
      }

      .gov-product-shot {
        object-fit: contain;
      }

      .hero-shot-shell:has(.expandable-image)::before,
      .gov-panel.has-media:has(.expandable-image)::before {
        top: 10px;
        right: 10px;
        width: 32px;
        height: 32px;
        background-size: 16px 16px;
      }

      .image-lightbox-overlay {
        padding: 14px;
      }

      .image-lightbox-card {
        width: 100%;
        max-height: 94vh;
        padding: 14px;
        gap: 12px;
      }

      .image-lightbox-media {
        min-height: 0;
      }

      .image-lightbox-image {
        max-height: 78vh;
      }

      .image-lightbox-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        font-size: 0.8rem;
      }

      .image-lightbox-hint {
        white-space: normal;
      }

      .ent-matrix {
        margin-top: 36px;
        border: none;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        overflow: visible;
      }

      .ent-matrix-head {
        display: none;
      }

      .ent-row {
        grid-template-columns: 1fr;
        border: 1px solid rgba(19, 32, 44, 0.08);
        border-radius: var(--radius);
        overflow: hidden;
        background-image:
          repeating-linear-gradient(45deg, rgba(30, 45, 60, 0.015) 0px, transparent 1px, transparent 6px),
          repeating-linear-gradient(-45deg, rgba(30, 45, 60, 0.015) 0px, transparent 1px, transparent 6px),
          linear-gradient(180deg, rgba(255,255,255,0.52), rgba(246,249,251,0.26));
        box-shadow: var(--shadow-2), var(--shadow-3);
        margin-bottom: 14px;
      }

      .ent-row:last-of-type {
        margin-bottom: 0;
      }

      .ent-feature {
        padding: 16px 18px 14px;
        border-right: none;
        border-bottom: 1px solid rgba(19,32,44,0.06);
      }

      .ent-cell {
        display: grid;
        gap: 8px;
        padding: 14px 18px;
        border-right: none;
        border-top: 1px solid rgba(19,32,44,0.05);
      }

      .ent-cell::before {
        content: attr(data-tier);
        display: inline-flex;
        align-items: center;
        width: fit-content;
        padding: 3px 10px;
        border-radius: 999px;
        background: rgba(47, 169, 184, 0.08);
        border: 1px solid rgba(47, 169, 184, 0.18);
        color: var(--accent-3);
        font-size: 0.64rem;
        font-weight: 700;
        letter-spacing: 0.16em;
        text-transform: uppercase;
      }

      .ent-cell--highlight::before {
        background: rgba(47,169,184,0.10);
        color: var(--accent-2);
      }

      .br-item {
        grid-template-columns: 48px 1fr;
        gap: 0 16px;
        padding: 20px 0;
      }

      .br-num {
        font-size: 1.8rem;
      }

      .br-item::before {
        left: -16px;
      }

      .br-cap-dot {
        display: none;
      }

      .br-cap-item {
        width: 100%;
        padding: 4px 0;
      }

      .cta-panel {
        padding: 24px;
      }

      footer {
        padding: 40px 16px 52px;
      }

      .footer-grid {
        padding: 24px 20px;
        gap: 20px;
      }

      .footer-bottom {
        font-size: 0.82rem;
      }
    }

    @media (hover: none), (pointer: coarse) {
      .spotlight-media:hover,
      .runtime-card:hover,
      .arch-card:hover,
      .posture-card:hover,
      .story-card:hover,
      .story-band:hover,
      .spotlight-copy:hover,
      .timeline-rail:hover,
      .governance-notes:hover {
        transform: none;
        border-color: rgba(19, 32, 44, 0.06);
        box-shadow: var(--shadow-1), var(--shadow-2), var(--shadow-3);
      }

      .feature-card:hover .mosaic-media {
        transform: none;
      }
    }

    @media (max-width: 640px) {
      .hero .cta-row .button,
      .final-copy .cta-row .button,
      .download-link {
        width: 100%;
      }

      .mobile-nav-trigger {
        padding: 0 11px;
      }

      .mobile-nav-panel {
        grid-template-columns: 1fr;
        width: min(244px, calc(100vw - 24px));
      }

      .support-line,
      .bfg-kicker,
      .posture-grid[style],
      .gov-pillars[style],
      .feature-list[style] {
        margin-top: 32px !important;
        margin-bottom: 0;
      }

      .section-head.span-all.reveal {
        margin-bottom: 36px !important;
      }

      .spotlight-media.reveal {
        margin-bottom: 32px !important;
      }

      .cta-panel.reveal {
        display: flex !important;
        flex-direction: column !important;
        padding: 22px !important;
        gap: 22px !important;
      }

      .cta-panel .final-copy {
        margin-bottom: 0 !important;
      }

      .cta-panel .final-copy h2 {
        font-size: clamp(1.8rem, 9vw, 2.3rem) !important;
        margin-bottom: 12px !important;
      }

      .cta-panel .cta-row {
        margin-top: 18px !important;
      }

      .cta-panel .steps {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        margin-top: 0;
      }
    }

    @media (max-width: 420px) {
      section {
        padding: 48px 12px 76px;
      }

      .hero {
        padding: 20px 12px 76px;
      }

      .header-inner {
        padding: 0 12px;
      }

      .button {
        padding: 0 12px;
      }

      h1 {
        font-size: clamp(2rem, 12.5vw, 2.7rem);
      }

      .section-head.centered h2,
      .spotlight-copy h2,
      .gov-copy h2,
      .final-copy h2 {
        font-size: clamp(1.85rem, 10vw, 2.45rem);
      }

      .section-head.span-all h2 {
        font-size: clamp(1.7rem, 8.5vw, 2.2rem);
      }

      .app-topbar {
        padding: 0 10px;
      }

      .story-card {
        grid-template-columns: 1fr;
        gap: 18px;
      }

      .story-card .story-header,
      .story-band .story-header {
        align-items: flex-start;
        flex-direction: column;
      }

      .story-rule {
        width: 56px;
      }

      .story-media {
        aspect-ratio: 4 / 3;
      }

      .app-screen,
      .browser-body {
        padding: 10px;
      }

      .feature-card,
      .runtime-card,
      .arch-card,
      .posture-card,
      .story-card,
      .story-band,
      .timeline-rail,
      .spotlight-copy,
      .cta-panel {
        padding: 18px;
      }
    }

    @media (max-width: 360px) {
      .brand-wordmark {
        display: none;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important;
        transition-duration: 0ms !important;
        transition-delay: 0ms !important;
      }
      .reveal { opacity: 1; transform: none; }
      .cursor-spotlight, .particle-canvas { display: none; }
    }

    /* QR Integration UI */
    .header-actions .qr-action-btn {
      background: none;
      border: none;
      padding: 6px;
      cursor: pointer;
      color: var(--text-soft);
      transition: color var(--transition-mid), transform var(--transition-mid);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-right: -4px;
    }
    .header-actions .qr-action-btn:hover {
      color: var(--accent-2);
      transform: translateY(-2px) scale(1.05);
    }

    @media (max-width: 820px) {
      .header-actions .qr-action-btn {
        width: 40px;
        height: 40px;
        padding: 0;
        margin-right: 0;
        border: 1px solid rgba(19, 32, 44, 0.08);
        border-radius: var(--radius);
        background: rgba(255,255,255,0.62);
        box-shadow: var(--shadow-3);
      }
    }

    @media (max-width: 640px) {
      #header-cta-download {
        font-size: 0.84rem;
      }
    }

    .qr-modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(10, 19, 28, 0.4);
      backdrop-filter: blur(12px) saturate(120%);
      -webkit-backdrop-filter: blur(12px) saturate(120%);
      z-index: 10000;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition-mid);
    }
    .qr-modal-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }
    .qr-modal-card {
      position: relative;
      width: 320px;
      padding: 32px;
      background-image: 
        repeating-linear-gradient(45deg, rgba(30, 45, 60, 0.015) 0px, transparent 1px, transparent 6px),
        repeating-linear-gradient(-45deg, rgba(30, 45, 60, 0.015) 0px, transparent 1px, transparent 6px),
        linear-gradient(180deg, rgba(255,255,255,0.95), rgba(246,249,251,0.9));
      border: 1px solid rgba(19, 32, 44, 0.08);
      border-radius: var(--radius);
      box-shadow: 0 46px 90px rgba(13, 26, 38, 0.16), 0 16px 36px rgba(50, 168, 179, 0.10);
      transform: translateY(20px) scale(0.95);
      transition: transform var(--transition-mid);
      text-align: center;
    }
    .qr-modal-overlay.active .qr-modal-card {
      transform: translateY(0) scale(1);
    }
    .qr-close {
      position: absolute;
      top: 16px;
      right: 16px;
      background: none;
      border: none;
      color: var(--text-soft);
      cursor: pointer;
      transition: color var(--transition-fast);
      padding: 4px;
      display: flex;
    }
    .qr-close:hover {
      color: var(--text);
    }
    .qr-modal-head {
      background: #ffffff;
      border-radius: calc(var(--radius) - 2px);
      padding: 16px;
      box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
      margin-bottom: 24px;
      display: flex;
      justify-content: center;
    }
    .qr-modal-meta h3 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .qr-modal-meta p {
      font-size: 0.85rem;
      color: var(--text-soft);
    }

    .image-lightbox-overlay {
      position: fixed;
      inset: 0;
      background: rgba(7, 14, 22, 0.72);
      backdrop-filter: blur(16px) saturate(120%);
      -webkit-backdrop-filter: blur(16px) saturate(120%);
      z-index: 10020;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 24px;
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition-mid);
    }

    .image-lightbox-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    .image-lightbox-card {
      position: relative;
      width: min(96vw, 1720px);
      max-height: 92vh;
      display: grid;
      gap: 16px;
      padding: 20px;
      background: linear-gradient(180deg, rgba(14, 24, 35, 0.96), rgba(8, 16, 24, 0.98));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius);
      box-shadow: 0 46px 90px rgba(7, 14, 22, 0.24), 0 16px 42px rgba(50, 168, 179, 0.12);
      transform: translateY(20px) scale(0.97);
      transition: transform var(--transition-mid);
    }

    .image-lightbox-overlay.active .image-lightbox-card {
      transform: translateY(0) scale(1);
    }

    .image-lightbox-media {
      min-height: min(72vh, 980px);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      border-radius: calc(var(--radius) - 1px);
      border: 1px solid rgba(255,255,255,0.06);
      background: linear-gradient(180deg, rgba(9, 17, 25, 0.96), rgba(4, 10, 17, 0.98));
    }

    .image-lightbox-image {
      display: block;
      max-width: 100%;
      max-height: 72vh;
      width: auto;
      height: auto;
      object-fit: contain;
      border-radius: calc(var(--radius) - 2px);
    }

    .image-lightbox-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      color: var(--text-on-dark-soft);
      font-size: 0.86rem;
    }

    .image-lightbox-meta strong {
      color: var(--text-on-dark);
      font-weight: 600;
    }

    .image-lightbox-hint {
      white-space: nowrap;
      color: rgba(238,245,248,0.54);
    }

    .image-lightbox-close {
      position: absolute;
      top: 14px;
      right: 14px;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      padding: 0;
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius);
      background: rgba(10, 19, 28, 0.72);
      color: var(--text-on-dark);
      cursor: pointer;
      transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    }

    .image-lightbox-close:hover,
    .image-lightbox-close:focus-visible {
      background: rgba(15, 28, 40, 0.92);
      border-color: rgba(116, 226, 232, 0.34);
      transform: translateY(-1px);
      outline: none;
    }

    /* Proof ticker */
    .proof-ticker {
      grid-column: 1 / -1;
      margin-top: 32px;
      overflow: hidden;
      mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
    }
    .proof-ticker-inner {
      display: flex;
      gap: 32px;
      white-space: nowrap;
      animation: ticker 28s linear infinite;
    }
    .proof-ticker-inner span {
      font-size: 0.86rem;
      color: var(--text-soft);
      letter-spacing: 0.02em;
    }
    .proof-ticker-inner span::before {
      content: ".";
      color: var(--accent-2);
      margin-right: 12px;
    }
    @keyframes ticker {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* Agent hierarchy diagram */
    .agent-hier { margin-top: 56px; display: flex; flex-direction: column; gap: 0; }

    .ah-orchestrator {
      border: 1px solid rgba(47, 169, 184, 0.18);
      border-radius: var(--radius);
      padding: 28px 32px;
      background: linear-gradient(135deg, rgba(47,169,184,0.04) 0%, rgba(255,255,255,0) 70%);
      box-shadow: var(--shadow-2), var(--shadow-3);
      display: grid;
      grid-template-columns: auto 1fr;
      grid-template-rows: auto auto;
      column-gap: 20px;
      row-gap: 8px;
      align-items: start;
    }
    .ah-orchestrator .ah-role-badge { grid-column: 1; grid-row: 1; margin-top: 2px; }
    .ah-orchestrator strong {
      grid-column: 2; grid-row: 1;
      font-size: 1.1rem; font-weight: 660; color: var(--text);
      letter-spacing: -0.02em; line-height: 1.3;
    }
    .ah-orchestrator p {
      grid-column: 2; grid-row: 2;
      font-size: 0.91rem; color: var(--text-soft); line-height: 1.72; margin: 0;
    }

    .ah-role-badge {
      display: inline-flex; align-self: start;
      padding: 4px 11px; border-radius: 999px;
      font-size: 0.64rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
      background: rgba(47,169,184,0.10); border: 1px solid rgba(47,169,184,0.22); color: var(--accent-3);
      white-space: nowrap;
    }
    .ah-role-badge--adversary { background: rgba(210,65,50,0.07); border-color: rgba(210,65,50,0.18); color: #a0321e; }
    .ah-role-badge--judge { background: rgba(90,70,190,0.07); border-color: rgba(90,70,190,0.18); color: #4a38a0; }

    .ah-connectors { width: 100%; height: 48px; overflow: visible; }
    .ah-connectors svg { width: 100%; height: 100%; display: block; }

    .ah-agents { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(19,32,44,0.07); border: 1px solid rgba(19,32,44,0.07); border-radius: var(--radius); overflow: hidden; }

    .ah-agent {
      padding: 28px 28px 32px;
      background: #ffffff;
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
      transition: background var(--transition-fast);
    }

    .ah-agent::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      opacity: 0;
      transition: opacity var(--transition-fast);
      background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
    }

    .ah-agent:hover { background: linear-gradient(180deg, rgba(47,169,184,0.025), #ffffff 60%); }
    .ah-agent:hover::before { opacity: 1; }

    .ah-agent .ah-role-badge { margin-bottom: 14px; }

    .ah-agent strong {
      font-size: 1.05rem;
      font-weight: 660;
      color: var(--text);
      letter-spacing: -0.02em;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .ah-agent p { font-size: 0.88rem; color: var(--text-soft); line-height: 1.76; margin: 0; }

    .ah-supervision {
      margin-top: 1px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 0;
      align-items: stretch;
      border: 1px solid rgba(19,32,44,0.07);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-2);
    }
    .ah-supervision-label {
      display: flex;
      align-items: center;
      padding: 22px 28px;
      font-size: 0.66rem;
      font-weight: 700;
      letter-spacing: 0.20em;
      text-transform: uppercase;
      color: var(--accent-3);
      white-space: nowrap;
      background: linear-gradient(135deg, rgba(47,169,184,0.09), rgba(47,169,184,0.04));
      border-right: 1px solid rgba(47,169,184,0.18);
    }
    .ah-supervision-text {
      display: flex;
      align-items: center;
      padding: 22px 32px;
      font-size: 0.97rem;
      color: var(--text-soft);
      line-height: 1.6;
      background: linear-gradient(90deg, rgba(47,169,184,0.025), rgba(255,255,255,0));
    }

    @media (max-width: 900px) {
      .ah-agents { grid-template-columns: 1fr; background: transparent; border: none; gap: 12px; }
      .ah-agent { border: 1px solid rgba(19,32,44,0.07); border-radius: var(--radius); }
      .ah-connectors { display: none; }
      .ah-orchestrator { grid-template-columns: 1fr; grid-template-rows: auto auto auto; row-gap: 10px; }
      .ah-orchestrator .ah-role-badge { grid-column: 1; grid-row: 1; margin-bottom: 2px; }
      .ah-orchestrator strong { grid-column: 1; grid-row: 2; }
      .ah-orchestrator p { grid-column: 1; grid-row: 3; }
      .ah-supervision { grid-template-columns: 1fr; }
      .ah-supervision-label { border-right: none; border-bottom: 1px solid rgba(47,169,184,0.18); }
    }

    /* Canvas flowchart */
    .cflow {

      margin-top: 64px;
      display: grid;
      grid-template-columns: 1fr 44px 1fr 44px 1fr 44px 1fr 44px 1fr;
      align-items: stretch;
      gap: 0;
    }

    .cflow-node {
      display: flex;
      flex-direction: column;
      gap: 14px;
      padding: 28px 24px;
      border: 1px solid rgba(19, 32, 44, 0.07);
      border-radius: var(--radius);
      background-image:
        repeating-linear-gradient(45deg, rgba(30,45,60,0.012) 0px, transparent 1px, transparent 6px),
        repeating-linear-gradient(-45deg, rgba(30,45,60,0.012) 0px, transparent 1px, transparent 6px),
        linear-gradient(180deg, rgba(255,255,255,0.52), rgba(246,249,251,0.24));
      box-shadow: var(--shadow-2), var(--shadow-3);
      position: relative;
      transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
    }

    .cflow-node::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      border-radius: var(--radius) var(--radius) 0 0;
      background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
      opacity: 0;
      transition: opacity var(--transition-mid);
    }

    .cflow-node:hover {
      transform: translateY(-4px);
      border-color: rgba(47, 169, 184, 0.18);
      box-shadow: 0 24px 56px rgba(13,26,38,0.10), 0 8px 20px rgba(50,168,179,0.09), inset 0 1px 0 rgba(255,255,255,0.82);
    }

    .cflow-node:hover::before { opacity: 1; }

    .cflow-step {
      font-family: "SF Mono", ui-monospace, monospace;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      color: var(--accent-3);
      opacity: 0.65;
    }

    /* Enterprise comparison matrix */
    .ent-matrix {
      margin-top: 56px;
      border: 1px solid rgba(19,32,44,0.08);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-2), var(--shadow-3);
    }

    .ent-matrix-head {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1.5fr;
      background: rgba(13,26,38,0.96);
      padding: 0;
    }

    .ent-col-label {
      padding: 14px 24px;
      font-size: 0.67rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(238,245,248,0.55);
      border-right: 1px solid rgba(255,255,255,0.06);
    }

    .ent-col-label:last-child { border-right: none; }

    .ent-col-label--highlight {
      color: var(--accent-2);
      background: rgba(47,169,184,0.10);
    }

    .ent-row {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1.5fr;
      border-top: 1px solid rgba(19,32,44,0.06);
      transition: background var(--transition-fast);
    }

    .ent-row:first-of-type { border-top: none; }
    .ent-row:hover { background: rgba(47,169,184,0.025); }

    .ent-feature {
      padding: 20px 24px;
      border-right: 1px solid rgba(19,32,44,0.06);
      display: flex;
      flex-direction: column;
      gap: 4px;
      justify-content: center;
    }

    .ent-feature strong {
      font-size: 0.92rem;
      font-weight: 660;
      color: var(--text);
      letter-spacing: -0.01em;
    }

    .ent-feature span {
      font-size: 0.80rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .ent-cell {
      padding: 20px 20px;
      display: flex;
      align-items: center;
      border-right: 1px solid rgba(19,32,44,0.06);
    }

    .ent-cell:last-child { border-right: none; }

    .ent-cell--highlight {
      background: linear-gradient(90deg, rgba(47,169,184,0.04), rgba(47,169,184,0.01));
    }

    .ent-check {
      font-size: 0.82rem;
      color: var(--text);
      line-height: 1.52;
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .ent-check::before {
      content: "";
      display: inline-block;
      flex-shrink: 0;
      width: 14px;
      height: 14px;
      margin-top: 1px;
      border-radius: 999px;
      background: var(--accent-3);
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 7l2.5 2.5L11 4.5' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-size: 12px;
      background-position: center;
      background-repeat: no-repeat;
    }

    .ent-check--partial {
      color: var(--text-soft);
    }

    .ent-check--partial::before {
      background-color: rgba(19,32,44,0.18);
    }

    .ent-dash {
      font-size: 0.92rem;
      color: var(--text-muted);
      opacity: 0.5;
    }

    @media (max-width: 860px) {
      .ent-matrix-head { grid-template-columns: 1fr 1fr; }
      .ent-matrix-head .ent-col-label:first-child { display: none; }
      .ent-row { grid-template-columns: 1fr; }
      .ent-cell { border-right: none; border-top: 1px solid rgba(19,32,44,0.05); padding: 12px 20px; }
      .ent-feature { padding-bottom: 12px; }
    }

    /* Governance layer manifest */
    .gov-layers {
      margin-top: 28px;
      border-top: 1px solid rgba(19, 32, 44, 0.08);
    }

    .gov-layer {
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 0 16px;
      align-items: start;
      padding: 16px 0;
      border-bottom: 1px solid rgba(19, 32, 44, 0.07);
      position: relative;
      transition: background var(--transition-fast);
      cursor: default;
    }

    .gov-layer::before {
      content: "";
      position: absolute;
      left: -28px;
      top: 0; bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, var(--accent-2), var(--accent-3));
      opacity: 0;
      transition: opacity var(--transition-fast);
    }

    .gov-layer:hover::before { opacity: 1; }
    .gov-layer:hover { background: rgba(77,199,207,0.04); }
    .gov-layer:last-child { border-bottom: none; }

    .gov-layer-num {
      font-family: "SF Mono", ui-monospace, monospace;
      font-size: 0.70rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: var(--accent-2);
      opacity: 0.55;
      padding-top: 3px;
      user-select: none;
    }

    .gov-layer-body {
      display: flex;
      flex-direction: column;
      gap: 5px;
    }

    .gov-layer-body strong {
      display: block;
      font-size: 0.95rem;
      font-weight: 650;
      color: var(--text);
      letter-spacing: -0.01em;
      line-height: 1.3;
    }

    .gov-layer-body span {
      font-size: 0.86rem;
      color: var(--text-soft);
      line-height: 1.70;
    }

    .gov-kicker {
      margin-top: 28px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--accent-3);
      line-height: 1.6;
    }


    .cflow-content strong {
      display: block;
      font-size: 1rem;
      font-weight: 660;
      color: var(--text);
      line-height: 1.32;
      letter-spacing: -0.02em;
      margin-bottom: 8px;
    }

    .cflow-content p {
      font-size: 0.86rem;
      color: var(--text-soft);
      line-height: 1.72;
      margin: 0;
    }

    .cflow-arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-2);
      opacity: 0.40;
    }

    .cflow-arrow svg { width: 36px; height: 12px; }

    @media (max-width: 1180px) {
      .cflow {
        grid-template-columns: 1fr 44px 1fr;
        grid-template-rows: auto;
      }
      .cflow > *:nth-child(n+8) { grid-column: span 1; }
      .cflow-arrow:nth-child(4),
      .cflow-arrow:nth-child(8) { display: none; }
      .cflow-node:nth-child(7),
      .cflow-node:nth-child(9) { grid-column: 1 / -1; }
    }

    @media (max-width: 820px) {
      .cflow { grid-template-columns: 1fr; gap: 0; }
      .cflow-arrow { transform: rotate(90deg); margin: 4px auto; width: 36px; }
      .cflow-node { height: auto; }
    }

    /* Browser feature grid */
    .bfg {

      margin-top: 56px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border-top: 1px solid rgba(19, 32, 44, 0.08);
    }

    .bfg-item {
      padding: 32px 36px 32px 0;
      border-bottom: 1px solid rgba(19, 32, 44, 0.07);
      position: relative;
      transition: background var(--transition-fast);
    }

    /* Right-side vertical separator between columns */
    .bfg-item:not(:nth-child(3n)) {
      border-right: 1px solid rgba(19, 32, 44, 0.07);
      padding-right: 36px;
    }

    /* Indent items in col 2 and col 3 */
    .bfg-item:nth-child(3n+2),
    .bfg-item:nth-child(3n) {
      padding-left: 36px;
    }

    /* Teal top-accent bar on hover */
    .bfg-item::before {
      content: "";
      position: absolute;
      top: -1px;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
      opacity: 0;
      transition: opacity var(--transition-fast);
    }

    .bfg-item:hover::before { opacity: 1; }
    .bfg-item:hover { background: linear-gradient(180deg, rgba(47,169,184,0.035), transparent 70%); }

    .bfg-item strong {
      display: block;
      font-size: 1.02rem;
      font-weight: 650;
      color: var(--text);
      line-height: 1.38;
      letter-spacing: -0.015em;
      margin-bottom: 10px;
    }

    .bfg-item p {
      font-size: 0.93rem;
      color: var(--text-soft);
      line-height: 1.78;
      margin: 0;
    }

    .bfg-kicker {
      margin-top: 52px;
      text-align: center;
      font-size: 1.08rem;
      font-weight: 500;
      color: var(--accent-3);
      letter-spacing: -0.01em;
      line-height: 1.6;
    }

    @media (max-width: 1180px) {
      .bfg { grid-template-columns: repeat(2, 1fr); }
      .bfg-item:nth-child(2n) { border-right: none; padding-left: 36px; }
      .bfg-item:nth-child(2n+1) { padding-left: 0; border-right: 1px solid rgba(19,32,44,0.07); }
    }

    @media (max-width: 820px) {
      .bfg { grid-template-columns: 1fr; }
      .bfg-item { border-right: none !important; padding-left: 0 !important; padding-right: 0 !important; }
    }

    /* Browser editorial feature rows (legacy) */
    .br-list {
      margin-top: 56px;
    }

    .br-group-label {
      font-size: 0.70rem;
      font-weight: 700;
      letter-spacing: 0.20em;
      text-transform: uppercase;
      color: var(--accent-3);
      padding: 0 0 14px 0;
      border-bottom: 1px solid rgba(47, 169, 184, 0.20);
      margin-bottom: 0;
    }

    .br-item {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 0 32px;
      align-items: start;
      padding: 28px 0;
      border-bottom: 1px solid rgba(19, 32, 44, 0.07);
      position: relative;
      transition: background var(--transition-fast);
      border-radius: 0;
      cursor: default;
    }

    .br-item::before {
      content: "";
      position: absolute;
      left: -28px;
      top: 0;
      bottom: 0;
      width: 3px;
      background: linear-gradient(180deg, var(--accent-2), var(--accent-3));
      opacity: 0;
      transition: opacity var(--transition-fast);
      border-radius: 0 2px 2px 0;
    }

    .br-item:hover::before { opacity: 1; }
    .br-item:hover { background: linear-gradient(90deg, rgba(47,169,184,0.04), transparent 60%); }

    .br-item:last-child { border-bottom: none; }

    .br-num {
      font-family: "SF Mono", ui-monospace, "Cascadia Code", "Fira Code", monospace;
      font-size: 2.6rem;
      font-weight: 700;
      line-height: 1;
      color: var(--accent-2);
      opacity: 0.13;
      user-select: none;
      padding-top: 4px;
      letter-spacing: -0.04em;
      transition: opacity var(--transition-fast);
    }

    .br-item:hover .br-num { opacity: 0.28; }

    .br-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0 48px;
      align-items: start;
    }

    .br-meta {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .br-badge {
      display: inline-flex;
      align-self: flex-start;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(47, 169, 184, 0.09);
      border: 1px solid rgba(47, 169, 184, 0.20);
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent-3);
    }

    .br-headline {
      font-size: 1.12rem;
      font-weight: 600;
      color: var(--text);
      line-height: 1.36;
      letter-spacing: -0.02em;
    }

    /* capability rows - no badge, headline fills left, desc fills right */
    .br-item--cap .br-body {
      grid-template-columns: 1fr 1fr;
    }

    .br-item--cap .br-headline {
      font-size: 1.05rem;
    }

    .br-desc {
      color: var(--text-soft);
      font-size: 0.97rem;
      line-height: 1.78;
      margin: 0;
      padding-top: 2px;
    }

    @media (max-width: 1180px) {
      .br-body { grid-template-columns: 1fr; gap: 10px 0; }
      .br-item--cap .br-body { grid-template-columns: 1fr; }
    }

    /* Solo mode rows - headline only, no desc column */
    .br-body--solo {
      grid-template-columns: 1fr;
    }

    /* Inline capability strip */
    .br-cap-strip {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0 20px;
      margin-top: 36px;
      padding: 20px 0;
      border-top: 1px solid rgba(19, 32, 44, 0.07);
    }

    .br-cap-item {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-soft);
      letter-spacing: -0.005em;
    }

    .br-cap-dot {
      width: 4px;
      height: 4px;
      border-radius: 999px;
      background: var(--accent-2);
      opacity: 0.45;
      flex-shrink: 0;
    }

    @media (max-width: 820px) {
      .br-item { grid-template-columns: 48px 1fr; gap: 0 16px; padding: 20px 0; }
      .br-num { font-size: 1.8rem; }
      .br-item::before { left: -16px; }
      .br-cap-dot { display: none; }
      .br-cap-item { width: 100%; padding: 4px 0; }
    }

    /* === 2026 ENVIRONMENT RUNTIME UPDATE START === */
    .nav-dropdown { position: relative; display: inline-flex; align-items: center; }
    .nav-dropdown summary { list-style: none; cursor: pointer; color: var(--text-soft); font-size: 0.84rem; letter-spacing: 0.01em; padding: 6px 0; transition: color var(--transition-fast); }
    .nav-dropdown summary::-webkit-details-marker { display: none; }
    .nav-dropdown summary:hover, .nav-dropdown[open] summary { color: var(--text); }
    .nav-dropdown summary::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 7px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); opacity: 0.72; }
    .nav-menu-panel { position: absolute; top: calc(100% + 18px); left: 50%; transform: translateX(-50%); width: min(292px, calc(100vw - 32px)); padding: 12px; display: grid; gap: 8px; border: 1px solid rgba(19, 32, 44, 0.08); border-radius: var(--radius); background: rgba(255, 255, 255, 0.94); box-shadow: 0 28px 64px rgba(8, 18, 28, 0.16), inset 0 1px 0 rgba(255,255,255,0.82); backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%); z-index: 30; }
    .nav-menu-panel a, .mobile-nav-panel span { display: block; padding: 9px 10px; border: 1px solid rgba(19, 32, 44, 0.06); border-radius: var(--radius); color: var(--text-soft); font-size: 0.84rem; line-height: 1.35; background: rgba(255,255,255,0.62); }
    .nav-menu-panel a:hover, .mobile-nav-panel a:hover { color: var(--text); border-color: rgba(47, 169, 184, 0.24); transform: translateY(-1px); }
    .mobile-nav:not([open]) .mobile-nav-panel { display: none; }
    .mobile-nav[open] .mobile-nav-panel { display: grid; }
    .architecture-visual, .mini-flow, .runtime-pipeline, .surface-strip { border: 1px solid rgba(19, 32, 44, 0.07); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(247,250,252,0.58)), repeating-linear-gradient(45deg, rgba(30,45,60,0.018) 0, transparent 1px, transparent 7px); box-shadow: var(--shadow-1), var(--shadow-2), var(--shadow-3); overflow: hidden; }
    .architecture-visual { padding: clamp(20px, 3vw, 36px); display: grid; gap: 14px; align-self: stretch; }
    .flow-step, .mini-flow span { display: flex; align-items: center; min-height: 46px; padding: 12px 14px; border: 1px solid rgba(47, 169, 184, 0.18); border-radius: var(--radius); background: rgba(255,255,255,0.72); color: var(--text); font-weight: 650; line-height: 1.35; }
    .flow-arrow, .mini-arrow { color: var(--accent-3); font-weight: 700; text-align: center; opacity: 0.74; }
    .quiet-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
    .quiet-tags span { display: inline-flex; align-items: center; min-height: 34px; padding: 7px 11px; border: 1px solid rgba(47, 169, 184, 0.18); border-radius: 999px; background: rgba(255,255,255,0.72); color: var(--text-soft); font-size: 0.86rem; line-height: 1.2; }
    .content-grid-2, .content-grid-3, .content-grid-4 { display: grid; gap: 22px; }
    .content-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .content-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .content-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .flow-list { counter-reset: runtime-flow; display: grid; gap: 16px; }
    .numbered-card { counter-increment: runtime-flow; position: relative; padding: 24px 24px 24px 76px; }
    .numbered-card::after { content: counter(runtime-flow, decimal-leading-zero); position: absolute; left: 24px; top: 26px; color: var(--accent-3); font-size: 1.3rem; font-weight: 750; letter-spacing: -0.03em; }
    .numbered-card h3, .compact-card h3 { margin: 0 0 12px; }
    .compact-card { padding: 24px; }
    .compact-card p, .numbered-card p { color: var(--text-soft); line-height: 1.72; }
    .mini-flow { margin: 30px 0; padding: 18px; display: grid; grid-template-columns: repeat(7, minmax(150px, 1fr)); gap: 10px; overflow-x: auto; }
    .runtime-pipeline { margin: 32px 0; padding: 18px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; overflow: visible; }
    .runtime-pipeline-stage { position: relative; min-height: 260px; padding: 22px 18px 18px; border: 1px solid rgba(47, 169, 184, 0.18); border-radius: var(--radius); background: rgba(255,255,255,0.76); display: flex; flex-direction: column; gap: 14px; }
    .runtime-pipeline-stage::before { content: attr(data-step); display: block; width: fit-content; color: var(--accent-3); font-size: 0.84rem; font-weight: 800; line-height: 1; letter-spacing: 0.08em; }
    .runtime-pipeline-stage h3 { margin: 0; font-size: 1.18rem; line-height: 1.18; letter-spacing: -0.02em; }
    .runtime-pipeline-stage p { margin: 0; color: var(--text-soft); font-size: 0.94rem; line-height: 1.58; }
    .runtime-stage-label { color: var(--accent-3); font-size: 0.72rem; font-weight: 760; letter-spacing: 0.14em; text-transform: uppercase; }
    .runtime-stage-items { margin-top: auto; display: grid; gap: 8px; }
    .runtime-stage-items span { min-height: 34px; padding: 8px 10px; border: 1px solid rgba(19,32,44,0.07); border-radius: var(--radius); background: rgba(245,253,253,0.78); color: var(--text-soft); font-size: 0.84rem; line-height: 1.35; }
    .runtime-pipeline-note { grid-column: 1 / -1; padding: 14px 16px; border: 1px solid rgba(15,127,150,0.18); border-radius: var(--radius); background: rgba(15,127,150,0.06); color: var(--text-soft); line-height: 1.6; }
    .surface-strip { position: relative; z-index: 4; padding: 18px; display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); gap: 12px; margin-bottom: 0; overflow: visible; }
    .surface-tab { position: relative; min-width: 0; }
    .surface-tab summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: center; min-height: 58px; padding: 12px 14px; border: 1px solid rgba(47, 169, 184, 0.18); border-radius: var(--radius); background: rgba(245, 253, 253, 0.84); color: var(--accent-3); font-weight: 720; line-height: 1.35; outline: none; transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast); }
    .surface-tab summary::-webkit-details-marker { display: none; }
    .surface-tab summary::after { content: ""; width: 6px; height: 6px; margin-left: 9px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); opacity: 0.72; transition: transform var(--transition-fast); }
    .surface-tab:hover summary, .surface-tab:focus-within summary, .surface-tab[open] summary { transform: translateY(-2px); border-color: rgba(47,169,184,0.34); background: rgba(255,255,255,0.92); box-shadow: 0 18px 44px rgba(13,26,38,0.10), 0 8px 18px rgba(47,169,184,0.08); }
    .surface-tab[open] summary::after { transform: translateY(1px) rotate(225deg); }
    .surface-popover { position: absolute; left: 50%; top: calc(100% + 12px); z-index: 20; width: min(360px, calc(100vw - 48px)); padding: 18px; border: 1px solid rgba(19, 32, 44, 0.08); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(247,250,252,0.82)), repeating-linear-gradient(45deg, rgba(19,32,44,0.018) 0, rgba(19,32,44,0.018) 1px, transparent 1px, transparent 8px); box-shadow: 0 32px 72px rgba(13,26,38,0.16), 0 12px 24px rgba(47,169,184,0.10), inset 0 1px 0 rgba(255,255,255,0.9); color: var(--text-soft); opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 8px); transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast); }
    .surface-tab:first-child .surface-popover { left: 0; transform: translate(0, 8px); }
    .surface-tab:last-child .surface-popover { left: auto; right: 0; transform: translate(0, 8px); }
    .surface-tab:hover .surface-popover, .surface-tab:focus-within .surface-popover, .surface-tab[open] .surface-popover { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
    .surface-tab:first-child:hover .surface-popover, .surface-tab:first-child:focus-within .surface-popover, .surface-tab:first-child[open] .surface-popover, .surface-tab:last-child:hover .surface-popover, .surface-tab:last-child:focus-within .surface-popover, .surface-tab:last-child[open] .surface-popover { transform: translate(0, 0); }
    .surface-popover strong { display: block; margin-bottom: 8px; color: var(--text); font-size: 0.98rem; line-height: 1.28; }
    .surface-popover p { margin: 0; color: var(--text-soft); font-size: 0.9rem; line-height: 1.58; }
    .surface-popover .surface-popover-note { margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(47,169,184,0.18); color: var(--text-soft); }
    .section-kicker { margin-top: 34px; color: var(--accent-3); font-size: 1.05rem; font-weight: 650; line-height: 1.6; }
    .ambient-governance-panel { position: relative; margin-top: 32px; display: grid; grid-template-columns: minmax(270px, 0.36fr) minmax(0, 1fr); overflow: hidden; border: 1px solid rgba(19, 32, 44, 0.08); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(247,250,252,0.68)), repeating-linear-gradient(45deg, rgba(19,32,44,0.018) 0, rgba(19,32,44,0.018) 1px, transparent 1px, transparent 8px); box-shadow: 0 32px 78px rgba(13, 26, 38, 0.10), 0 12px 24px rgba(47, 169, 184, 0.08), inset 0 1px 0 rgba(255,255,255,0.86); color: var(--text-soft); }
    .ambient-boundary-copy { padding: 28px; display: grid; gap: 12px; align-content: center; border-right: 1px solid rgba(19, 32, 44, 0.07); background: linear-gradient(180deg, rgba(245,253,253,0.76), rgba(255,255,255,0.28)); }
    .ambient-boundary-label { color: var(--accent-3); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em; line-height: 1.2; text-transform: uppercase; }
    .ambient-boundary-copy h3 { margin: 0; max-width: 22ch; color: var(--text); font-size: 1.28rem; line-height: 1.18; letter-spacing: 0; }
    .ambient-boundary-copy p { margin: 0; line-height: 1.62; }
    .ambient-boundary-states { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .ambient-boundary-state { position: relative; min-height: 188px; padding: 50px 22px 24px; display: grid; align-content: start; gap: 9px; border-right: 1px solid rgba(19, 32, 44, 0.07); background: linear-gradient(180deg, rgba(255,255,255,0.58), rgba(255,255,255,0.18)); }
    .ambient-boundary-state:last-child { border-right: 0; }
    .ambient-boundary-state::before { content: attr(data-step); position: absolute; left: 22px; top: 24px; color: var(--accent-3); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; line-height: 1; }
    .ambient-boundary-state::after { content: ""; position: absolute; left: 22px; right: 22px; top: 38px; height: 2px; border-radius: 999px; background: linear-gradient(90deg, rgba(47,169,184,0.54), rgba(47,169,184,0.08)); }
    .ambient-boundary-state strong { color: var(--text); font-size: 0.98rem; line-height: 1.25; }
    .ambient-boundary-state span { color: var(--text-soft); font-size: 0.89rem; line-height: 1.52; }
    .ambient-boundary-state:hover { background: linear-gradient(180deg, rgba(255,255,255,0.76), rgba(245,253,253,0.38)); }
    #governance .governance-notes { align-self: stretch; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; overflow: hidden; counter-reset: governance-note; border-color: rgba(19, 32, 44, 0.08); background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(247,250,252,0.70)), repeating-linear-gradient(45deg, rgba(19,32,44,0.018) 0, rgba(19,32,44,0.018) 1px, transparent 1px, transparent 8px); box-shadow: 0 34px 80px rgba(13, 26, 38, 0.10), 0 12px 26px rgba(47, 169, 184, 0.08), inset 0 1px 0 rgba(255,255,255,0.86); }
    #governance .governance-note { position: relative; min-height: 138px; padding: 23px 24px 24px 70px; display: grid; align-content: start; gap: 8px; border-top: 0; border-right: 1px solid rgba(19, 32, 44, 0.07); border-bottom: 1px solid rgba(19, 32, 44, 0.07); background: linear-gradient(180deg, rgba(255,255,255,0.54), rgba(255,255,255,0.20)); counter-increment: governance-note; }
    #governance .governance-note:nth-child(2n) { border-right: 0; }
    #governance .governance-note:nth-last-child(-n + 2) { border-bottom: 0; }
    #governance .governance-note::before { content: counter(governance-note, decimal-leading-zero); position: absolute; left: 22px; top: 24px; color: var(--accent-3); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; line-height: 1; }
    #governance .governance-note::after { content: ""; position: absolute; left: 22px; top: 49px; bottom: 24px; width: 2px; border-radius: 999px; background: linear-gradient(180deg, rgba(47,169,184,0.54), rgba(47,169,184,0.08)); }
    #governance .governance-note strong { margin: 0; max-width: 24ch; color: var(--text); font-size: 1rem; line-height: 1.24; letter-spacing: 0; }
    #governance .governance-note span { color: var(--text-soft); font-size: 0.9rem; line-height: 1.56; }
    #governance .governance-note:hover { background: linear-gradient(180deg, rgba(255,255,255,0.74), rgba(245,253,253,0.42)); }
    @media (max-width: 1180px) { .content-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .mini-flow { grid-template-columns: repeat(4, minmax(150px, 1fr)); } .runtime-pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); } .surface-strip { grid-template-columns: repeat(3, minmax(130px, 1fr)); } }
    @media (max-width: 960px) { .nav-dropdown { display: none; } .content-grid-2, .content-grid-3, .content-grid-4 { grid-template-columns: 1fr; } .surface-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ambient-governance-panel { grid-template-columns: 1fr; } .ambient-boundary-copy { border-right: 0; border-bottom: 1px solid rgba(19, 32, 44, 0.07); } }
    @media (max-width: 640px) { .surface-strip, .mini-flow, .runtime-pipeline, .ambient-boundary-states, #governance .governance-notes { grid-template-columns: 1fr; } .surface-popover, .surface-tab:first-child .surface-popover, .surface-tab:last-child .surface-popover { position: static; width: 100%; margin-top: 10px; transform: none; display: none; } .surface-tab[open] .surface-popover, .surface-tab:focus-within .surface-popover { display: block; opacity: 1; visibility: visible; pointer-events: auto; transform: none; } .ambient-boundary-copy { padding: 24px; } .ambient-boundary-state, .ambient-boundary-state:last-child { min-height: 0; border-right: 0; border-bottom: 1px solid rgba(19, 32, 44, 0.07); } .ambient-boundary-state:last-child { border-bottom: 0; } #governance .governance-note, #governance .governance-note:nth-child(2n) { border-right: 0; } #governance .governance-note:nth-last-child(-n + 2) { border-bottom: 1px solid rgba(19, 32, 44, 0.07); } #governance .governance-note:last-child { border-bottom: 0; } .quiet-tags span { width: 100%; } .numbered-card { padding: 20px; } .numbered-card::after { position: static; display: block; margin-bottom: 10px; } }
    .hero { padding: 44px 28px 46px; }
    .hero .hero-grid { grid-template-columns: minmax(0, 0.94fr) minmax(420px, 0.76fr); column-gap: 52px; row-gap: 24px; align-items: start; justify-items: stretch; }
    .hero-copy-intro, .hero-copy-support, .hero-visual-wrap { grid-column: auto; width: 100%; margin-inline: 0; }
    .hero-copy-intro { grid-column: 1; grid-row: 1; align-items: flex-start; gap: 0; }
    .hero-copy-support { grid-column: 1; grid-row: 2; max-width: 760px; gap: 20px; justify-items: start; text-align: left; }
    .hero-visual-wrap { grid-column: 2; grid-row: 1 / span 2; width: 100%; align-self: start; padding-top: 0; margin-top: -10px; }
    .hero-copy-intro .eyebrow { width: fit-content; justify-content: flex-start; gap: 10px; margin: 0 0 22px; margin-inline: 0; }
    .hero-copy-intro .eyebrow::before { margin-right: 0; }
    .hero-copy-intro .eyebrow::after { content: none; }
    .hero-copy-intro h1 { width: 100%; max-width: 22ch; margin: 0; white-space: normal; text-align: left; font-size: 3.75rem; line-height: 1.04; letter-spacing: 0; }
    .hero-copy-support p.lead { max-width: 62ch; margin: 0; font-size: 1.02rem; line-height: 1.62; }
    .hero-copy-support .cta-row { justify-content: flex-start; margin: 4px 0 0; }
    .hero-video-preview { position: relative; aspect-ratio: 16 / 9; min-height: 0; padding: 12px; border: 1px solid rgba(19, 32, 44, 0.08); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(247,250,252,0.7)); box-shadow: var(--shadow-1), var(--shadow-2), var(--shadow-3); overflow: hidden; }
    .hero-video-stage { position: relative; width: 100%; height: 100%; overflow: hidden; border: 1px solid rgba(47, 169, 184, 0.16); border-radius: calc(var(--radius) - 4px); background: #eef5f7; }
    .hero-video-stage::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,29,40,0.04), rgba(12,29,40,0.12)), repeating-linear-gradient(0deg, rgba(19,32,44,0.055) 0, rgba(19,32,44,0.055) 1px, transparent 1px, transparent 42px), repeating-linear-gradient(90deg, rgba(19,32,44,0.045) 0, rgba(19,32,44,0.045) 1px, transparent 1px, transparent 54px), linear-gradient(135deg, #f8fbfc 0%, #e7f0f3 54%, #f4f7f7 100%); }
    .hero-video-stage::after { content: ""; position: absolute; left: 24px; right: 24px; bottom: 22px; height: 7px; border-radius: 999px; background: linear-gradient(90deg, rgba(15,127,150,0.72) 0 28%, rgba(19,32,44,0.16) 28% 100%); box-shadow: 0 1px 0 rgba(255,255,255,0.72); }
    .hero-video-play { position: absolute; left: 50%; top: 50%; z-index: 2; width: 66px; height: 66px; transform: translate(-50%, -50%); border: 1px solid rgba(15,127,150,0.26); border-radius: 999px; background: rgba(255,255,255,0.84); box-shadow: 0 18px 46px rgba(8,18,28,0.18), inset 0 1px 0 rgba(255,255,255,0.9); }
    .hero-video-play::before { content: ""; position: absolute; left: 27px; top: 22px; width: 0; height: 0; border-top: 11px solid transparent; border-bottom: 11px solid transparent; border-left: 16px solid var(--accent-3); }
    .hero-video-caption { position: absolute; z-index: 3; left: 28px; right: 28px; top: 26px; display: flex; gap: 22px; align-items: flex-start; justify-content: space-between; pointer-events: none; }
    .hero-video-caption span { color: var(--accent-3); font-size: 0.72rem; font-weight: 760; letter-spacing: 0.08em; line-height: 1.2; text-transform: uppercase; }
    .hero-video-caption strong { max-width: 34ch; color: var(--text); font-size: 0.92rem; font-weight: 690; line-height: 1.3; text-align: right; }
    @media (max-width: 1180px) { .hero { padding: 56px 28px 64px; } .hero .hero-grid { grid-template-columns: 1fr; row-gap: 30px; column-gap: 0; } .hero-copy-intro, .hero-copy-support, .hero-visual-wrap { grid-column: 1; grid-row: auto; } .hero-copy-intro, .hero-copy-support { align-items: flex-start; justify-items: start; text-align: left; } .hero-copy-intro h1 { max-width: 14ch; font-size: 3.7rem; } .hero-visual-wrap { max-width: 860px; padding-top: 0; margin-top: 0; } }
    @media (max-width: 820px) { .hero { padding: 36px 16px 56px; } .hero .hero-grid { row-gap: 26px; } .hero-copy-intro h1 { max-width: none; font-size: 2.8rem; } .hero-copy-support p.lead { max-width: none; font-size: 1rem; } .hero-video-preview { padding: 9px; } .hero-video-caption { left: 22px; right: 22px; top: 22px; } }
    @media (max-width: 640px) { .header-actions #header-cta-download { display: none; } .mobile-nav-panel { position: fixed; top: calc(var(--header-h) - 2px); left: 12px; right: 12px; width: auto; } .hero { padding: 30px 16px 32px; } .hero .cta-row { width: 100%; } .hero-copy-intro h1 { font-size: 2.45rem; line-height: 1.04; } .hero-copy-support p.lead:nth-of-type(2), .hero-visual-wrap { display: none; } }
    /* === 2026 ENVIRONMENT RUNTIME UPDATE END === */