:root {
    /* User's brand palette */
    --brand-primary:        #2D8C7F;
    --brand-primary-deep:   #1F6B61;
    --brand-primary-darker: #15453F;
    --brand-sage:           #9DCFA6;
    --brand-sage-soft:      #D6E8D8;
    --brand-gold:           #C9A96E;
    --brand-gold-soft:      #FFEDC6;
    --brand-gold-deep:      #9A7D44;
    --surface:              #FFFFFF;
    --surface-warm:         #F7F7F2;
    --surface-cool:         #EEF3F0;
    --ink:                  #0F1B1A;
    --ink-soft:             #2A3A37;
    --ink-muted:            #5C6E6A;
    --ink-faint:            #8A9692;
    --rule:                 #E5E9E6;
    --rule-soft:            #EFF2EE;
    --critical:             #C84B3D;
    --critical-soft:        #FCE9E5;

    /* Dark accent surfaces (PPI, Footer) */
    --surface-dark:         #0F1B1A;
    --surface-dark-2:       #15453F;
    --line-on-dark:         rgba(255,255,255,0.10);
    --line-on-dark-soft:    rgba(255,255,255,0.05);
    --text-on-dark:         rgba(255,255,255,0.96);
    --text-on-dark-soft:    rgba(255,255,255,0.74);
    --text-on-dark-muted:   rgba(255,255,255,0.52);
    --text-on-dark-faint:   rgba(255,255,255,0.34);

    --container:      1280px;
    --container-wide: 1440px;
    --section-y:      clamp(96px, 11vw, 160px);
  }

  * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    color: var(--ink-soft);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
    overflow-x: hidden;
  }

  /* ============= ECG GLOBAL TICKER (top of page) ============= */
  .ecg-ticker {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 28px;
    z-index: 200;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(247,247,242,0.92), rgba(247,247,242,0));
    overflow: hidden;
  }
  .ecg-ticker svg {
    width: 200%;
    height: 100%;
    animation: ecg-scroll 14s linear infinite;
  }
  @keyframes ecg-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }

  /* ============= NAV ============= */
  nav.top {
    position: fixed;
    top: 28px;
    left: 0; right: 0;
    z-index: 100;
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
  }
  nav.top.scrolled { top: 16px; }
  nav.top .nav-inner {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
  nav.top.scrolled .nav-pill {
    background: rgba(255,255,255,0.78);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-color: var(--rule);
    box-shadow: 0 4px 24px rgba(15,27,26,0.04);
  }
  .nav-pill {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 10px 14px 10px 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 19px;
    color: var(--ink);
    letter-spacing: 0.005em;
    text-decoration: none;
  }
  .nav-logo img {
    height: 32px;
    width: auto;
    display: block;
  }
  .nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 20px;
    margin-left: 4px;
    border-left: 1px solid var(--rule);
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--ink-muted);
    letter-spacing: 0.05em;
  }
  .nav-status .pulse {
    width: 6px; height: 6px;
    background: var(--brand-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 0 var(--brand-primary);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(45,140,127,0.5); }
    70% { box-shadow: 0 0 0 8px rgba(45,140,127,0); }
    100% { box-shadow: 0 0 0 0 rgba(45,140,127,0); }
  }
  .nav-links {
    display: flex;
    gap: 28px;
    margin-left: auto;
  }
  .nav-links a {
    font-size: 13.5px;
    color: var(--ink-muted);
    font-weight: 500;
    text-decoration: none;
    transition: color 200ms ease;
  }
  .nav-links a:hover { color: var(--ink); }
  .nav-cta { display: flex; align-items: center; gap: 12px; }
  .lang-toggle {
    display: flex;
    border: 1px solid var(--rule);
    border-radius: 999px;
    padding: 3px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(10px);
  }
  .lang-toggle button {
    background: transparent;
    border: none;
    padding: 5px 11px;
    border-radius: 999px;
    cursor: pointer;
    color: var(--ink-muted);
    font: inherit;
    letter-spacing: 0.04em;
    transition: all 200ms ease;
  }
  .lang-toggle button.active {
    background: var(--ink);
    color: var(--surface);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    font: inherit;
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 220ms cubic-bezier(0.22, 1, 0.36, 1);
    text-decoration: none;
    line-height: 1;
    position: relative;
    overflow: hidden;
  }
  .btn-primary {
    background: var(--brand-primary);
    color: var(--surface);
    box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 0 0 0 rgba(45,140,127,0);
  }
  .btn-primary:hover {
    background: var(--brand-primary-deep);
    box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 12px 32px rgba(45,140,127,0.30);
    transform: translateY(-1px);
  }
  .btn-ghost {
    background: rgba(255,255,255,0.6);
    color: var(--ink);
    border-color: var(--rule);
  }
  .btn-ghost:hover {
    background: var(--surface);
    border-color: var(--ink);
  }
  .btn-light {
    background: var(--surface);
    color: var(--ink);
  }
  .btn-light:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(255,255,255,0.18); }
  .btn-on-dark {
    background: transparent;
    color: var(--text-on-dark);
    border-color: var(--line-on-dark);
  }
  .btn-on-dark:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.3);
  }
  .btn .arrow { display: inline-block; transition: transform 220ms ease; }
  .btn:hover .arrow { transform: translateX(3px); }

  /* ============= TYPOGRAPHY ============= */
  .display, h1, h2 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 300;
    color: var(--ink);
    letter-spacing: -0.025em;
    line-height: 1.05;
    font-variation-settings: "opsz" 144;
    margin: 0;
  }
  h1 { font-size: clamp(48px, 7.8vw, 112px); font-weight: 300; line-height: 1.05; }
  h2 { font-size: clamp(40px, 5.6vw, 72px); }
  h1 em, h2 em {
    font-style: italic;
    font-weight: 200;
    color: var(--brand-primary-deep);
  }
  /* Section-scoped overrides for em color */
  .ppi h2 em { color: var(--brand-sage); }
  .final-cta h2 em { color: var(--brand-gold-soft); }

  h1 .grad, h2 .grad {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-gold-deep) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
    font-weight: 300;
  }
  .ppi h2 .grad, .final-cta h2 .grad {
    background: linear-gradient(135deg, var(--brand-sage), var(--brand-gold-soft));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  h3 {
    font-family: 'Geist', sans-serif;
    font-size: 22px;
    line-height: 1.3;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin: 0 0 12px 0;
  }
  p { margin: 0 0 16px 0; }
  p:last-child { margin-bottom: 0; }

  .lede {
    font-family: 'Fraunces', serif;
    font-weight: 300;
    font-size: clamp(19px, 1.55vw, 22px);
    line-height: 1.5;
    color: var(--ink-soft);
    font-variation-settings: "opsz" 96;
  }

  .eyebrow {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 500;
    color: var(--brand-gold-deep);
    margin: 0 0 24px 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }
  .eyebrow::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--brand-gold);
  }
  .eyebrow.on-dark { color: var(--brand-gold); }
  .eyebrow.on-dark::before { background: var(--brand-gold); }

  .mono { font-family: 'Geist Mono', monospace; }

  /* ============= LAYOUT ============= */
  .container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
  .container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 32px; }
  section { padding: var(--section-y) 0; position: relative; }
  .center { text-align: center; }
  .max-720 { max-width: 720px; margin-left: auto; margin-right: auto; }
  .max-880 { max-width: 880px; margin-left: auto; margin-right: auto; }
  .max-1040 { max-width: 1040px; margin-left: auto; margin-right: auto; }

  /* ============= HERO ============= */
  .hero {
    position: relative;
    min-height: 100vh;
    padding: 200px 0 120px;
    overflow: hidden;
    isolation: isolate;
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-warm) 100%);
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
      radial-gradient(ellipse 70% 60% at 75% 25%, rgba(157,207,166,0.32) 0%, transparent 60%),
      radial-gradient(ellipse 60% 70% at 15% 85%, rgba(255,237,198,0.45) 0%, transparent 60%);
  }
  .hero-grid-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
      linear-gradient(rgba(15,27,26,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(15,27,26,0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, black 0%, transparent 80%);
    opacity: 0.7;
  }
  .hero-ecg-layer {
    position: absolute;
    left: 0; right: 0;
    pointer-events: none;
    z-index: -1;
  }
  .hero-ecg-1 { top: 32%; opacity: 0.32; }
  .hero-ecg-2 { top: 56%; opacity: 0.22; }
  .hero-ecg-3 { top: 78%; opacity: 0.40; }
  .hero-ecg-layer svg {
    width: 200%;
    height: 80px;
    display: block;
  }
  .hero-ecg-1 svg { animation: ecg-scroll 22s linear infinite; }
  .hero-ecg-2 svg { animation: ecg-scroll 32s linear infinite; }
  .hero-ecg-3 svg { animation: ecg-scroll 16s linear infinite; }

  .hero-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 12px;
    border: 1px solid var(--rule);
    border-radius: 999px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(10px);
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--ink-muted);
    letter-spacing: 0.06em;
    margin-bottom: 32px;
  }
  .hero-status .dot {
    width: 6px; height: 6px;
    background: var(--brand-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  .hero h1 { margin-bottom: 36px; max-width: 1100px; color: var(--ink); }
  .hero h1 .line { display: block; }
  .hero h1 .reveal-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.4em);
    animation: word-rise 1100ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }
  .hero h1 .reveal-word.d1 { animation-delay: 80ms; }
  .hero h1 .reveal-word.d2 { animation-delay: 200ms; }
  .hero h1 .reveal-word.d3 { animation-delay: 360ms; }
  .hero h1 .reveal-word.d4 { animation-delay: 480ms; }
  .hero h1 .reveal-word.d5 { animation-delay: 600ms; }
  @keyframes word-rise {
    to { opacity: 1; transform: translateY(0); }
  }

  .hero-lede {
    max-width: 620px;
    margin-bottom: 48px;
    opacity: 0;
    animation: fade-up 900ms 700ms cubic-bezier(0.22,1,0.36,1) forwards;
  }
  .hero-ctas {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 64px;
    opacity: 0;
    animation: fade-up 900ms 850ms cubic-bezier(0.22,1,0.36,1) forwards;
  }
  @keyframes fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hero-trust {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid var(--rule);
    opacity: 0;
    animation: fade-up 900ms 1000ms cubic-bezier(0.22,1,0.36,1) forwards;
  }
  .hero-trust-item {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--ink-faint);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .hero-trust-item::before {
    content: '';
    width: 4px; height: 4px;
    background: var(--brand-gold);
    border-radius: 50%;
  }

  .scroll-cue {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Geist Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--ink-faint);
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: fade-up 900ms 1400ms forwards;
  }
  .scroll-cue::after {
    content: '';
    width: 1px;
    height: 32px;
    background: linear-gradient(180deg, var(--brand-gold), transparent);
    animation: scroll-bob 2s ease-in-out infinite;
  }
  @keyframes scroll-bob {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.4; }
  }

  /* ============= LIVE DEMO SECTION (light bg, dark stage card) ============= */
  .live-demo {
    background: var(--surface-warm);
    padding: var(--section-y) 0;
    position: relative;
    overflow: hidden;
  }
  .live-demo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 60% at 50% 0%, rgba(157,207,166,0.15) 0%, transparent 70%);
    pointer-events: none;
  }
  .live-demo-header { text-align: center; margin-bottom: 80px; position: relative; z-index: 2; }
  .rec-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid rgba(200,75,61,0.2);
    background: var(--critical-soft);
    border-radius: 999px;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--critical);
    letter-spacing: 0.12em;
    margin-bottom: 20px;
  }
  .rec-pill .rec-dot {
    width: 6px; height: 6px;
    background: var(--critical);
    border-radius: 50%;
    animation: pulse-red 1.5s infinite;
  }
  @keyframes pulse-red {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  /* Demo stage = dark card on light bg */
  .demo-stage {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--surface-dark);
    color: var(--text-on-dark);
    border: 1px solid var(--line-on-dark);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(15,27,26,0.20), 0 8px 24px rgba(15,27,26,0.10);
  }
  .demo-stage::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(157,207,166,0.5), transparent);
  }

  .demo-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items: center;
  }
  .demo-stages { display: flex; flex-direction: column; }
  .demo-stage-row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 0;
    border-top: 1px solid var(--line-on-dark-soft);
    transition: opacity 600ms ease;
    opacity: 0.3;
  }
  .demo-stage-row:first-child { border-top: none; }
  .demo-stage-row.active { opacity: 1; }
  .demo-stage-row.done { opacity: 0.6; }
  .demo-stage-num {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--brand-gold);
    letter-spacing: 0.06em;
    width: 28px;
    flex-shrink: 0;
    padding-top: 3px;
  }
  .demo-stage-content { flex: 1; }
  .demo-stage-name {
    font-family: 'Fraunces', serif;
    font-size: 22px;
    font-weight: 400;
    color: var(--text-on-dark);
    margin-bottom: 4px;
    transition: color 400ms ease;
  }
  .demo-stage-row.active .demo-stage-name { color: var(--brand-sage); }
  .demo-stage-desc {
    font-size: 13px;
    color: var(--text-on-dark-muted);
    line-height: 1.5;
  }
  .demo-stage-progress {
    width: 0%;
    height: 1px;
    background: var(--brand-sage);
    margin-top: 10px;
    transition: width 400ms linear;
  }

  .demo-viewport {
    background: var(--surface-dark);
    border: 1px solid var(--line-on-dark);
    border-radius: 16px;
    aspect-ratio: 4/5;
    position: relative;
    overflow: hidden;
  }
  .demo-viewport-frame {
    position: absolute;
    inset: 16px;
    overflow: hidden;
    border-radius: 8px;
  }
  .demo-frame {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 600ms ease;
  }
  .demo-frame.active { opacity: 1; }

  .frame-paper {
    background: #2A2520;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .paper-ecg {
    width: 78%;
    aspect-ratio: 1.4;
    background:
      repeating-linear-gradient(0deg, rgba(255,200,180,0.18) 0, rgba(255,200,180,0.18) 1px, transparent 1px, transparent 8px),
      repeating-linear-gradient(90deg, rgba(255,200,180,0.18) 0, rgba(255,200,180,0.18) 1px, transparent 1px, transparent 8px),
      #FFF8F0;
    transform: perspective(800px) rotateX(18deg) rotateY(-8deg) rotate(2deg);
    transform-origin: center;
    box-shadow: 0 24px 60px rgba(0,0,0,0.6);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
  }
  .paper-ecg::after {
    content: '';
    position: absolute;
    top: 25%; left: 0; right: 0;
    height: 60%;
    background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.05) 50%, transparent 100%);
  }
  .paper-ecg svg { width: 100%; height: 100%; opacity: 0.85; }

  .frame-straighten {
    background: #1A1614;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .straighten-ecg {
    width: 78%;
    aspect-ratio: 1.4;
    background:
      repeating-linear-gradient(0deg, rgba(255,200,180,0.18) 0, rgba(255,200,180,0.18) 1px, transparent 1px, transparent 8px),
      repeating-linear-gradient(90deg, rgba(255,200,180,0.18) 0, rgba(255,200,180,0.18) 1px, transparent 1px, transparent 8px),
      #FFF8F0;
    border-radius: 4px;
    position: relative;
    transition: transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
    transform: perspective(800px) rotateX(0deg) rotateY(0deg) rotate(0deg);
    box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  }
  .demo-frame.frame-straighten.active .straighten-ecg {
    animation: deskew 1500ms cubic-bezier(0.22,1,0.36,1) forwards;
  }
  @keyframes deskew {
    from { transform: perspective(800px) rotateX(18deg) rotateY(-8deg) rotate(2deg); }
    to { transform: perspective(800px) rotateX(0deg) rotateY(0deg) rotate(0deg); }
  }
  .straighten-ecg svg { width: 100%; height: 100%; }
  .crop-frame {
    position: absolute;
    inset: 8%;
    border: 1px dashed var(--brand-sage);
    pointer-events: none;
    opacity: 0;
  }
  .demo-frame.frame-straighten.active .crop-frame {
    animation: fade-in 600ms 800ms forwards;
  }
  @keyframes fade-in { to { opacity: 1; } }

  .frame-digitize {
    background: var(--surface-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
  }
  .digitize-strip {
    width: 100%;
    aspect-ratio: 3;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--line-on-dark);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    margin-bottom: 12px;
  }
  .digitize-strip svg { width: 100%; height: 100%; }
  .scan-line {
    position: absolute;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--brand-sage), transparent);
    box-shadow: 0 0 16px var(--brand-sage);
    left: -2px;
  }
  .demo-frame.frame-digitize.active .scan-line { animation: scan 2000ms linear; }
  @keyframes scan {
    from { left: -2px; }
    to { left: 100%; }
  }
  .demo-frame.frame-digitize.active .digit-path {
    stroke-dasharray: 1500;
    stroke-dashoffset: 1500;
    animation: draw-path 2000ms ease-out forwards;
  }
  @keyframes draw-path {
    to { stroke-dashoffset: 0; }
  }
  .digit-label {
    font-family: 'Geist Mono', monospace;
    font-size: 10px;
    color: var(--brand-sage);
    letter-spacing: 0.1em;
    margin-top: 8px;
  }

  .frame-ai {
    background: var(--surface-dark);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .ai-trace {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--line-on-dark);
    border-radius: 4px;
    aspect-ratio: 3;
    position: relative;
    overflow: hidden;
    margin-bottom: 16px;
  }
  .ai-trace svg { width: 100%; height: 100%; }
  .ai-flag {
    position: absolute;
    width: 14%;
    top: 0; bottom: 0;
    background: rgba(200,75,61,0.18);
    border-left: 1px solid var(--critical);
    border-right: 1px solid var(--critical);
    opacity: 0;
  }
  .demo-frame.frame-ai.active .ai-flag { animation: flag-in 600ms forwards; }
  @keyframes flag-in { to { opacity: 1; } }
  .ai-flag-1 { left: 22%; animation-delay: 200ms !important; }
  .ai-flag-2 { left: 48%; animation-delay: 400ms !important; }
  .ai-flag-3 { left: 74%; animation-delay: 600ms !important; }
  .ai-flag-label {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Geist Mono', monospace;
    font-size: 9px;
    color: var(--critical);
    letter-spacing: 0.05em;
    white-space: nowrap;
  }
  .ai-result {
    background: rgba(200,75,61,0.10);
    border: 1px solid rgba(200,75,61,0.25);
    border-radius: 6px;
    padding: 12px 14px;
    opacity: 0;
  }
  .demo-frame.frame-ai.active .ai-result { animation: fade-up 600ms 1200ms forwards; }
  .ai-result-label {
    font-family: 'Geist Mono', monospace;
    font-size: 10px;
    color: var(--critical);
    letter-spacing: 0.08em;
    margin-bottom: 4px;
  }
  .ai-result-text { color: var(--text-on-dark); font-size: 14px; font-weight: 500; }
  .ai-result-meta { font-size: 11px; color: var(--text-on-dark-muted); margin-top: 4px; font-style: italic; }

  .frame-result {
    background: var(--surface-dark);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
  }
  .result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(255,255,255,0.03);
    border-left: 2px solid var(--brand-gold);
    border-radius: 4px;
    opacity: 0;
  }
  .demo-frame.frame-result.active .result-row { animation: fade-up 600ms forwards; }
  .demo-frame.frame-result.active .result-row:nth-child(1) { animation-delay: 100ms; }
  .demo-frame.frame-result.active .result-row:nth-child(2) { animation-delay: 250ms; }
  .demo-frame.frame-result.active .result-row:nth-child(3) { animation-delay: 400ms; }
  .demo-frame.frame-result.active .result-row:nth-child(4) { animation-delay: 550ms; }
  .demo-frame.frame-result.active .result-row:nth-child(5) { animation-delay: 700ms; }
  .result-label { font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--text-on-dark-muted); letter-spacing: 0.06em; }
  .result-value { color: var(--text-on-dark); font-weight: 500; font-size: 14px; }
  .result-value.alert { color: var(--critical); }
  .result-value.ok { color: var(--brand-sage); }

  .demo-status {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--line-on-dark);
    display: flex;
    justify-content: space-between;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--text-on-dark-muted);
    letter-spacing: 0.06em;
  }
  .demo-status .live-pulse {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand-sage);
  }
  .demo-status .live-pulse::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--brand-sage);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
  }

  /* ============= STATS BAND ============= */
  .stats-band {
    padding: 120px 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    background: var(--surface);
    position: relative;
  }
  .stats-band::before {
    content: '';
    position: absolute;
    top: 50%; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201,169,110,0.35) 20%, rgba(201,169,110,0.35) 80%, transparent);
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }
  .stat-cell {
    padding: 0 32px;
    border-right: 1px solid var(--rule-soft);
  }
  .stat-cell:last-child { border-right: none; }
  .stat-cell:first-child { padding-left: 0; }
  .stat-cell:last-child { padding-right: 0; }
  .stat-numeral {
    font-family: 'Fraunces', serif;
    font-size: clamp(48px, 5.5vw, 84px);
    font-weight: 300;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    font-variation-settings: "opsz" 144;
  }
  .stat-numeral .unit {
    font-size: 0.4em;
    font-family: 'Geist', sans-serif;
    font-weight: 400;
    color: var(--ink-soft);
    margin-left: 6px;
    letter-spacing: 0;
  }
  .stat-numeral .grad {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-gold-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .stat-label {
    font-size: 14px;
    line-height: 1.5;
    color: var(--ink-soft);
    margin-bottom: 16px;
    min-height: 50px;
  }
  .stat-source {
    font-family: 'Geist Mono', monospace;
    font-size: 10px;
    color: var(--ink-faint);
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  /* ============= CAPABILITIES BENTO ============= */
  .capabilities { padding: var(--section-y) 0; background: var(--surface-warm); }
  .cap-header {
    margin-bottom: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: end;
  }
  .bento {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 200px;
    gap: 16px;
  }
  .bento-card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
  }
  .bento-card:hover {
    border-color: var(--brand-gold);
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(15,27,26,0.06);
  }
  .bento-card::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, var(--brand-sage-soft) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 320ms ease;
  }
  .bento-card:hover::before { opacity: 0.6; }
  .bento-1 { grid-column: span 4; grid-row: span 2; }
  .bento-2 { grid-column: span 2; grid-row: span 1; }
  .bento-3 { grid-column: span 2; grid-row: span 1; }
  .bento-4 { grid-column: span 2; grid-row: span 1; }
  .bento-5 { grid-column: span 2; grid-row: span 1; }
  .bento-6 { grid-column: span 2; grid-row: span 1; }

  .bento-card h3 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: 24px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--ink);
    position: relative;
    z-index: 2;
  }
  .bento-1 h3 { font-size: 38px; }
  .bento-card p {
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.6;
    position: relative;
    z-index: 2;
  }
  .bento-1 p { font-size: 16px; max-width: 480px; }

  .bento-icon {
    width: 24px; height: 24px;
    color: var(--brand-primary);
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
  }
  .bento-1 .bento-icon { color: var(--brand-gold-deep); }

  .bento-1 {
    background:
      radial-gradient(ellipse 80% 100% at 100% 100%, rgba(157,207,166,0.25) 0%, transparent 60%),
      var(--surface);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .bento-1-vis {
    margin-top: auto;
    height: 80px;
    position: relative;
    overflow: hidden;
  }
  .bento-1-vis svg { width: 100%; height: 100%; }
  .bento-1-vis .scan-glow {
    position: absolute;
    top: 0; bottom: 0;
    width: 60px;
    background: linear-gradient(90deg, transparent, rgba(45,140,127,0.20), transparent);
    animation: scan-loop 4s ease-in-out infinite;
  }
  @keyframes scan-loop {
    0% { left: -60px; }
    100% { left: 100%; }
  }

  .bento-6 {
    background:
      radial-gradient(circle at 20% 20%, rgba(255,237,198,0.55) 0%, transparent 50%),
      var(--surface);
  }

  /* ============= PPI EXPERIENCE (DARK ACCENT) ============= */
  .ppi {
    background: linear-gradient(180deg, var(--surface-dark) 0%, var(--surface-dark-2) 100%);
    color: var(--text-on-dark);
    padding: var(--section-y) 0;
    position: relative;
    overflow: hidden;
  }
  .ppi::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(157,207,166,0.10) 0%, transparent 60%);
    pointer-events: none;
  }
  .ppi h2 { color: var(--text-on-dark); }
  .ppi .lede { color: var(--text-on-dark-soft); }
  .ppi-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
  }
  .ppi-stage {
    max-width: 1100px;
    margin: 0 auto;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--line-on-dark);
    border-radius: 24px;
    padding: 48px;
    position: relative;
    overflow: hidden;
  }
  .ppi-stage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line-on-dark);
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
  }
  .ppi-patient-tag {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--brand-gold);
    letter-spacing: 0.12em;
  }
  .ppi-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    color: var(--text-on-dark-muted);
    letter-spacing: 0.06em;
  }
  .ppi-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--line-on-dark);
    border-radius: 999px;
  }
  .ppi-toggle .live-dot {
    width: 6px; height: 6px;
    background: var(--brand-sage);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  .ppi-traces { display: flex; flex-direction: column; gap: 8px; position: relative; }
  .ppi-trace-row {
    padding: 18px 0 22px;
    border-bottom: 1px solid var(--line-on-dark-soft);
    position: relative;
  }
  .ppi-trace-row:last-child { border-bottom: none; }
  .ppi-trace-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
  }
  .ppi-trace-id { color: var(--text-on-dark-faint); }
  .ppi-trace-date { color: var(--text-on-dark-muted); }
  .ppi-trace-row.current .ppi-trace-id { color: var(--brand-sage); }
  .ppi-trace-row.current .ppi-trace-date { color: var(--brand-sage); }
  .ppi-trace-svg {
    width: 100%;
    height: 64px;
    position: relative;
  }
  .ppi-trace-svg svg { width: 100%; height: 100%; }

  .ppi-scrubber {
    position: absolute;
    top: 0; bottom: 0;
    width: 1px;
    background: var(--brand-gold);
    box-shadow: 0 0 12px var(--brand-gold);
    pointer-events: none;
    left: 50%;
    transition: left 100ms ease;
  }
  .ppi-scrubber-handle {
    position: absolute;
    top: 50%;
    left: -6px;
    width: 12px; height: 12px;
    background: var(--brand-gold);
    border-radius: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 16px var(--brand-gold);
  }

  .ppi-track {
    margin-top: 24px;
    height: 8px;
    background: var(--line-on-dark);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
  }
  .ppi-track-fill {
    position: absolute;
    top: 0; bottom: 0;
    left: 0;
    width: 50%;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-gold));
    border-radius: 4px;
    transition: width 100ms ease;
  }
  .ppi-track-thumb {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px; height: 20px;
    background: var(--brand-gold);
    border: 2px solid var(--surface-dark);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 16px rgba(201,169,110,0.5);
    transition: left 100ms ease;
  }

  .ppi-callout {
    margin-top: 32px;
    padding: 16px 20px;
    background: rgba(157,207,166,0.10);
    border-left: 2px solid var(--brand-sage);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .ppi-callout-icon {
    width: 32px; height: 32px;
    background: rgba(157,207,166,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-sage);
    flex-shrink: 0;
  }
  .ppi-callout-text { font-size: 14px; color: var(--text-on-dark); }
  .ppi-callout-text strong { color: var(--brand-sage); font-weight: 500; }

  /* ============= EVIDENCE ============= */
  .evidence-section {
    padding: var(--section-y) 0;
    background: var(--surface);
  }
  .evidence-header {
    text-align: center;
    margin-bottom: 80px;
  }
  .evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }
  .evidence-card {
    padding: 40px 32px;
    border-right: 1px solid var(--rule);
    transition: background 320ms ease;
  }
  .evidence-card:last-child { border-right: none; }
  .evidence-card:hover { background: var(--surface-cool); }
  .evidence-metric {
    font-family: 'Fraunces', serif;
    font-size: 44px;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-gold-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
  }
  .evidence-card-title {
    font-family: 'Fraunces', serif;
    font-size: 17px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 16px;
    min-height: 66px;
  }
  .evidence-card-source {
    font-family: 'Geist Mono', monospace;
    font-size: 10px;
    color: var(--brand-gold-deep);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .evidence-card-finding {
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.6;
  }
  .evidence-footnote {
    margin-top: 56px;
    text-align: center;
    font-size: 13px;
    color: var(--ink-muted);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
  }

  /* ============= DEPLOYMENT ============= */
  .deployment {
    padding: var(--section-y) 0;
    background: var(--surface-warm);
    position: relative;
  }
  .deployment-header {
    text-align: center;
    margin-bottom: 64px;
  }
  .deployment-toggle-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 56px;
  }
  .deployment-toggle {
    display: inline-flex;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 999px;
    padding: 4px;
    position: relative;
    box-shadow: 0 1px 2px rgba(15,27,26,0.04);
  }
  .deployment-toggle button {
    padding: 12px 28px;
    background: transparent;
    border: none;
    color: var(--ink-muted);
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 999px;
    position: relative;
    z-index: 2;
    transition: color 240ms ease;
  }
  .deployment-toggle button.active { color: var(--surface); }
  .deployment-toggle-bg {
    position: absolute;
    top: 4px;
    left: 4px;
    height: calc(100% - 8px);
    background: var(--brand-primary);
    border-radius: 999px;
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 1;
  }

  .deployment-content {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 24px;
    padding: 56px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(15,27,26,0.03);
  }
  .deployment-pane {
    display: none;
    grid-template-columns: 1fr 1.2fr;
    gap: 56px;
    align-items: start;
  }
  .deployment-pane.active { display: grid; }
  .deployment-pane h3 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: 36px;
    color: var(--ink);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .deployment-pane .lede {
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink-soft);
    margin-bottom: 24px;
  }
  .deployment-tag {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--brand-gold-deep);
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .deployment-features {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .deployment-features li {
    padding: 14px 0;
    border-top: 1px solid var(--rule-soft);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--ink-soft);
  }
  .deployment-features li:first-child { border-top: none; }
  .deployment-features li::before {
    content: '';
    width: 5px; height: 5px;
    background: var(--brand-primary);
    border-radius: 50%;
    margin-top: 9px;
    flex-shrink: 0;
  }
  .deployment-features li strong { color: var(--ink); font-weight: 500; }

  .compliance-row {
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--rule);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    text-align: center;
  }
  .compliance-cell {
    padding: 0 12px;
    border-right: 1px solid var(--rule-soft);
  }
  .compliance-cell:last-child { border-right: none; }
  .compliance-label {
    font-family: 'Geist Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--brand-gold-deep);
    margin-bottom: 6px;
  }
  .compliance-sub {
    font-size: 10px;
    color: var(--ink-faint);
    line-height: 1.4;
  }

  /* ============= FINAL CTA (DARK BRAND ACCENT) ============= */
  .final-cta {
    padding: var(--section-y) 0;
    background: var(--brand-primary-darker);
    color: var(--text-on-dark);
    position: relative;
    overflow: hidden;
    text-align: center;
  }
  .final-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1200px; height: 1200px;
    background:
      radial-gradient(circle, rgba(157,207,166,0.12) 0%, transparent 50%),
      radial-gradient(ellipse 50% 60% at 30% 70%, rgba(255,237,198,0.10) 0%, transparent 60%);
    animation: rotate-slow 60s linear infinite;
    pointer-events: none;
  }
  @keyframes rotate-slow {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
  }
  .final-cta-content {
    position: relative;
    z-index: 2;
  }
  .final-cta h2 {
    margin-bottom: 32px;
    color: var(--text-on-dark);
  }
  .final-cta .lede {
    margin: 0 auto 56px;
    color: var(--text-on-dark-soft);
  }
  .final-cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
  }
  .final-cta-line {
    margin-top: 40px;
    font-family: 'Geist Mono', monospace;
    font-size: 12px;
    color: var(--brand-gold-soft);
    letter-spacing: 0.1em;
  }

  /* ============= FOOTER ============= */
  footer {
    background: var(--ink);
    color: var(--text-on-dark-soft);
    border-top: 1px solid var(--line-on-dark);
    padding: 64px 0 32px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid var(--line-on-dark);
  }
  .footer-brand-name {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 22px;
    color: var(--text-on-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .footer-brand-name img {
    height: 36px;
    width: auto;
    display: block;
  }
  .footer-brand-tag {
    font-size: 13px;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
    max-width: 320px;
    font-style: italic;
    font-family: 'Fraunces', serif;
    font-weight: 300;
  }
  .footer-col h4 {
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--brand-gold);
    margin: 0 0 24px 0;
    font-weight: 500;
  }
  .footer-col ul { list-style: none; padding: 0; margin: 0; }
  .footer-col li { margin-bottom: 12px; font-size: 13px; }
  .footer-col li a {
    color: var(--text-on-dark-muted);
    transition: color 200ms ease;
    text-decoration: none;
  }
  .footer-col li a:hover { color: var(--text-on-dark); }
  .footer-bottom {
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
  }
  .footer-disclaimer {
    font-size: 11px;
    color: var(--text-on-dark-faint);
    max-width: 760px;
    line-height: 1.6;
  }
  .footer-meta {
    font-size: 11px;
    color: var(--text-on-dark-faint);
    font-family: 'Geist Mono', monospace;
    letter-spacing: 0.06em;
  }

  /* ============= REVEAL ============= */
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 800ms cubic-bezier(0.22,1,0.36,1), transform 800ms cubic-bezier(0.22,1,0.36,1);
  }
  .reveal.in { opacity: 1; transform: none; }
  .reveal-d1 { transition-delay: 80ms; }
  .reveal-d2 { transition-delay: 160ms; }
  .reveal-d3 { transition-delay: 240ms; }
  .reveal-d4 { transition-delay: 320ms; }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1; transform: none; }
  }

  /* ============= RESPONSIVE ============= */
  @media (max-width: 1024px) {
    .nav-links { display: none; }
    .nav-status { display: none; }
    .demo-grid, .deployment-pane.active { grid-template-columns: 1fr; gap: 32px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .stat-cell { border-right: none; padding: 24px 0; border-bottom: 1px solid var(--rule-soft); }
    .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
    .bento-1, .bento-2, .bento-3, .bento-4, .bento-5, .bento-6 { grid-column: span 2; grid-row: auto; min-height: 200px; }
    .cap-header { grid-template-columns: 1fr; gap: 24px; }
    .evidence-grid { grid-template-columns: 1fr 1fr; }
    .evidence-card { border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
    .evidence-card:nth-child(2) { border-right: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .container, .container-wide { padding: 0 20px; }
    nav.top { top: 32px; }
    .nav-pill { padding: 8px 8px 8px 16px; }
    .lang-toggle { display: none; }
    .stats-grid, .evidence-grid, .footer-grid, .bento { grid-template-columns: 1fr; }
    .bento-1, .bento-2, .bento-3, .bento-4, .bento-5, .bento-6 { grid-column: span 1; }
    .deployment-content { padding: 32px 24px; }
    .demo-stage { padding: 24px; }
    .ppi-stage { padding: 28px 20px; }
    .compliance-row { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .compliance-cell { border-right: none; }
    .ppi-stage-header { flex-direction: column; align-items: flex-start; }
  }

  /* ============= RTL / ARABIC ============= */
  [dir="rtl"] body,
  [dir="rtl"] p,
  [dir="rtl"] li,
  [dir="rtl"] .lede,
  [dir="rtl"] .nav-links a,
  [dir="rtl"] .btn,
  [dir="rtl"] .footer-col li,
  [dir="rtl"] .footer-disclaimer,
  [dir="rtl"] .footer-brand-tag,
  [dir="rtl"] .stat-label,
  [dir="rtl"] .evidence-card-finding,
  [dir="rtl"] .evidence-card-title,
  [dir="rtl"] .deployment-features li,
  [dir="rtl"] .demo-stage-name,
  [dir="rtl"] .demo-stage-desc,
  [dir="rtl"] .ppi-callout-text,
  [dir="rtl"] .bento-card p,
  [dir="rtl"] .bento-card h3 {
    font-family: 'Noto Sans Arabic', 'Geist', sans-serif;
  }
  [dir="rtl"] h1,
  [dir="rtl"] h2,
  [dir="rtl"] .display,
  [dir="rtl"] .footer-brand-name,
  [dir="rtl"] .deployment-pane h3 {
    font-family: 'Noto Serif Arabic', 'Fraunces', Georgia, serif;
    font-weight: 400;
  }
  [dir="rtl"] h1 em, [dir="rtl"] h2 em { font-style: normal; font-weight: 300; }
  [dir="rtl"] .mono,
  [dir="rtl"] .eyebrow,
  [dir="rtl"] .nav-status,
  [dir="rtl"] .footer-meta,
  [dir="rtl"] .hero-trust-item,
  [dir="rtl"] .stat-source,
  [dir="rtl"] .demo-stage-num,
  [dir="rtl"] .ppi-patient-tag,
  [dir="rtl"] .ppi-controls,
  [dir="rtl"] .ppi-trace-id,
  [dir="rtl"] .ppi-trace-date,
  [dir="rtl"] .compliance-label,
  [dir="rtl"] .deployment-tag,
  [dir="rtl"] .compliance-sub,
  [dir="rtl"] .rec-pill,
  [dir="rtl"] .ai-flag-label,
  [dir="rtl"] .ai-result-label,
  [dir="rtl"] .result-label,
  [dir="rtl"] .digit-label {
    font-family: 'Geist Mono', monospace;
    letter-spacing: 0;
  }
  [dir="rtl"] .eyebrow::before { display: none; }
  [dir="rtl"] .hero-trust-item::before { display: none; }
  [dir="rtl"] .nav-links { margin-right: auto; margin-left: 0; }
  [dir="rtl"] .nav-status { border-left: none; border-right: 1px solid var(--rule); padding-left: 0; padding-right: 20px; margin-left: 0; margin-right: 4px; }
  [dir="rtl"] .btn .arrow { display: inline-block; transform: scaleX(-1); }
  [dir="rtl"] .btn:hover .arrow { transform: scaleX(-1) translateX(3px); }
  [dir="rtl"] .deployment-features li::before { margin-top: 9px; }
  [dir="rtl"] .stat-cell { border-right: none; border-left: 1px solid var(--rule-soft); }
  [dir="rtl"] .stat-cell:first-child { padding-left: 32px; padding-right: 0; }
  [dir="rtl"] .stat-cell:last-child { border-left: none; padding-right: 32px; padding-left: 0; }
  [dir="rtl"] .evidence-card { border-right: none; border-left: 1px solid var(--rule); }
  [dir="rtl"] .evidence-card:last-child { border-left: none; }
  [dir="rtl"] .compliance-cell { border-right: none; border-left: 1px solid var(--rule-soft); }
  [dir="rtl"] .compliance-cell:last-child { border-left: none; }
  [dir="rtl"] .lang-toggle button.active { font-family: 'Geist Mono', monospace; }
  [dir="rtl"] .scroll-cue, [dir="rtl"] .nav-status, [dir="rtl"] .hero-status { letter-spacing: 0; }