:root {
    --bg: #07091A;
    --bg-2: #0B1228;
    --bg-3: #101A36;
    --navy: #0B2545;
    --teal: #2EC4B6;
    --teal-glow: rgba(46, 196, 182, 0.35);
    --gold: #D9A441;
    --gold-hover: #E8B859;
    --text: #F4F5F7;
    --text-muted: #98A0B5;
    --text-faint: #5C6480;
    --border: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.16);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

  /* ============= NAVIGATION ============= */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    transition: background 280ms ease, backdrop-filter 280ms ease, border-color 280ms ease;
    border-bottom: 1px solid transparent;
  }
  .nav.scrolled {
    background: rgba(7, 9, 26, 0.85);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom-color: var(--border);
  }
  .nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.01em;
  }
  .nav-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
  }
  .nav-links a {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--text);
    opacity: 0.92;
    padding: 10px 4px;
    transition: opacity 180ms ease, color 180ms ease;
  }
  .nav-links a:hover { opacity: 1; color: var(--teal); }
  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--gold);
    color: #1B1208;
    font-weight: 600;
    font-size: 14px;
    border-radius: 999px;
    transition: background 180ms ease, transform 180ms ease;
  }
  .nav-cta:hover { background: var(--gold-hover); transform: translateY(-1px); }
  .nav-mobile-toggle { display: none !important; }
  .nav-overlay { display: none !important; }

  /* ============= HERO ============= */
  .hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    isolation: isolate;
  }

  /* ============= HERO SPLIT (video left, headline right) ============= */
  .hero-split {
    min-height: auto;
    align-items: center;
    padding: 120px 48px 88px;
  }
  .hero-split .hero-grid {
    position: relative;
    z-index: 4;
    width: 100%;
    max-width: 1480px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }
  .hero-split .hero-video {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow:
      0 30px 80px rgba(0,0,0,0.55),
      0 0 0 1px rgba(46,196,182,0.18),
      inset 0 0 0 1px rgba(255,255,255,0.04);
    background: #000;
  }
  .hero-split .hero-video video {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }
  .hero-split .video-disclaimer {
    margin: 14px 4px 0;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    text-align: left;
  }
  .hero-split .hero-copy {
    display: flex;
    flex-direction: column;
    gap: 22px;
    text-align: left;
  }
  .hero-split .hero-eyebrow {
    position: static;
    transform: none;
    padding: 0;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }
  .hero-split .hero-copy h1 {
    margin: 0;
    font-size: clamp(28px, 3.2vw, 46px);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text);
    max-width: 100%;
  }
  .hero-split .hero-copy h1 strong {
    font-weight: 700;
    background: linear-gradient(120deg, var(--teal) 0%, #6BE3D2 50%, var(--gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero-split .hero-copy h2 {
    margin: 0;
    font-size: clamp(15px, 1.2vw, 18px);
    font-weight: 400;
    line-height: 1.55;
    color: var(--muted);
    max-width: 44ch;
  }
  .hero-split .hero-copy .actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
  }

  @media (max-width: 980px) {
    .hero-split { padding: 170px 20px 64px; }
    .hero-split .hero-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .hero-split .hero-copy {
      order: 2;
      align-items: flex-start;
    }
    .hero-split .hero-video {
      order: 1;
    }
    .hero-split .hero-copy h1 {
      font-size: clamp(28px, 6vw, 40px);
      max-width: 100%;
    }
    .hero-split .hero-copy h2 { font-size: 16px; }
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background: url('../img/hero-bg.png') center/cover no-repeat;
    z-index: 1;
    animation: heroDrift 26s ease-in-out infinite alternate;
    filter: saturate(115%) contrast(102%);
  }
  @keyframes heroDrift {
    0%   { transform: scale(1.05) translate(0, 0); }
    100% { transform: scale(1.12) translate(-1.5%, -1%); }
  }
  .hero-vignette {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 70% 60% at 50% 35%, transparent 0%, rgba(7,9,26,0.55) 80%),
      linear-gradient(180deg, rgba(7,9,26,0.45) 0%, rgba(7,9,26,0.15) 35%, rgba(7,9,26,0.85) 100%);
    z-index: 2;
  }
  .hero-glow-1, .hero-glow-2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 2;
  }
  .hero-glow-1 {
    width: 460px; height: 460px;
    left: -120px; top: 30%;
    background: radial-gradient(circle, var(--teal-glow), transparent 70%);
    animation: pulse 6s ease-in-out infinite;
  }
  .hero-glow-2 {
    width: 380px; height: 380px;
    right: -80px; top: 20%;
    background: radial-gradient(circle, rgba(217,164,65,0.18), transparent 70%);
    animation: pulse 7s ease-in-out infinite 1.5s;
  }
  @keyframes pulse {
    0%, 100% { opacity: 0.85; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.08); }
  }
  .hero-eyebrow {
    position: absolute;
    top: 28%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    text-align: center;
    padding: 0 24px;
  }
  .hero-eyebrow .pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid var(--border-strong);
    background: rgba(7,9,26,0.5);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    font-weight: 600;
  }
  .hero-eyebrow .pill::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 10px var(--teal-glow);
    animation: pulse 2.4s ease-in-out infinite;
  }
  .hero-eyebrow h1 {
    margin-top: 22px;
    font-size: clamp(28px, 4.4vw, 56px);
    font-weight: 300;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--text);
    max-width: 16ch;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-eyebrow h1 strong {
    font-weight: 700;
    background: linear-gradient(120deg, var(--teal) 0%, #6BE3D2 50%, var(--gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero-bar {
    position: relative;
    width: 100%;
    background: var(--navy);
    padding: 28px 48px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(46,196,182,0.25);
  }
  .hero-bar h2 {
    font-size: clamp(18px, 2vw, 26px);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text);
    flex: 1 1 auto;
  }
  .hero-bar .actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    background: var(--gold);
    color: #1B1208;
    font-weight: 600;
    font-size: 14.5px;
    border-radius: 999px;
    transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  }
  .btn-primary:hover { background: var(--gold-hover); transform: translateY(-1px); box-shadow: 0 12px 32px rgba(217,164,65,0.25); }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 22px;
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-weight: 500;
    font-size: 14.5px;
    border-radius: 999px;
    transition: border-color 180ms ease, background 180ms ease;
  }
  .btn-ghost:hover { border-color: var(--teal); background: rgba(46,196,182,0.06); }

  /* ============= SECTIONS ============= */
  section { position: relative; }
  .section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 16px;
  }
  .section-title {
    font-size: clamp(28px, 3.4vw, 44px);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.12;
    color: var(--text);
  }
  .section-title.center { text-align: center; }
  .section-sub {
    margin-top: 14px;
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.55;
    max-width: 60ch;
  }
  .section-sub.center { margin-left: auto; margin-right: auto; text-align: center; }

  /* ===== SECTION 2: PLATFORM (3 columns) ===== */
  .platform {
    padding: 120px 48px 100px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
    border-top: 1px solid var(--border);
  }
  .platform-header { text-align: center; max-width: 900px; margin: 0 auto 64px; }
  .platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .platform-card {
    padding: 36px 32px 40px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0.008) 100%);
    transition: border-color 280ms ease, transform 280ms ease;
    position: relative;
    overflow: hidden;
  }
  .platform-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--teal) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 280ms ease;
  }
  .platform-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
  .platform-card:hover::before { opacity: 1; }
  .platform-card .eyebrow {
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 16px;
    display: block;
  }
  .platform-card h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
    color: var(--text);
  }
  .platform-card p {
    font-size: 15.5px;
    color: var(--text-muted);
    line-height: 1.6;
  }
  .platform-card .icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(46,196,182,0.15), rgba(46,196,182,0.04));
    border: 1px solid rgba(46,196,182,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: var(--teal);
  }

  /* ===== SECTION 3: MEET TRAYPILOT (split) ===== */
  .meet {
    padding: 120px 48px;
    background: var(--bg-2);
    overflow: hidden;
  }
  .meet-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
  }
  .meet-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-3);
  }
  .meet-image img { width: 100%; height: auto; display: block; }
  .meet-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 60%, transparent 0%, rgba(11,18,40,0.55) 100%);
    pointer-events: none;
  }
  .meet-text .eyebrow-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }
  .meet-text .eyebrow-line .bar {
    width: 48px;
    height: 2px;
    background: var(--teal);
  }
  .meet-text .eyebrow-line .label {
    font-size: 13px;
    font-weight: 600;
    color: var(--teal);
    letter-spacing: 0.06em;
  }
  .meet-text h2 {
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 22px;
    color: var(--text);
  }
  .meet-text p {
    font-size: 16.5px;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 18px;
  }
  .meet-text .closer {
    color: var(--text);
    font-weight: 600;
    font-size: 18px;
    margin-top: 10px;
  }

  /* ===== SECTION 4: TRUSTED / PARTNERS ===== */
  .trusted {
    padding: 90px 48px;
    background: var(--bg);
    border-top: 1px solid var(--border);
  }
  .trusted-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto 48px;
    flex-wrap: wrap;
    gap: 16px;
  }
  .trusted-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .trusted-card {
    padding: 32px 24px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255,255,255,0.015);
    text-align: center;
    transition: border-color 220ms ease, background 220ms ease;
  }
  .trusted-card:hover { border-color: var(--border-strong); background: rgba(255,255,255,0.03); }
  .trusted-card .partner-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 8px;
    opacity: 0.92;
  }
  .trusted-card .partner-cat {
    font-size: 11.5px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 600;
    margin-bottom: 14px;
  }
  .trusted-card .partner-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.5;
  }

  /* ===== SECTION 5: IMPACT TABS ===== */
  .impact {
    padding: 120px 48px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  }
  .impact-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .impact-side .section-title { font-size: clamp(26px, 2.6vw, 36px); margin-bottom: 8px; }
  .impact-side .section-sub { font-size: 15px; margin-bottom: 32px; max-width: none; }
  .impact-tabs { list-style: none; display: flex; flex-direction: column; gap: 4px; }
  .impact-tab {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 180ms ease;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .impact-tab:hover { color: var(--text); background: rgba(255,255,255,0.03); }
  .impact-tab.active {
    color: var(--text);
    background: rgba(46,196,182,0.08);
    border-color: rgba(46,196,182,0.3);
  }
  .impact-tab.active::after { content: '→'; color: var(--teal); font-weight: 700; }
  .impact-content {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,0.022), rgba(255,255,255,0.005));
    padding: 40px;
    min-height: 360px;
  }
  .impact-panel { display: none; }
  .impact-panel.active { display: block; animation: fadeIn 320ms ease; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
  .impact-panel h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
  }
  .impact-panel > p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 28px;
    max-width: 60ch;
  }
  .impact-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .impact-stat {
    padding: 24px 22px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(0,0,0,0.18);
  }
  .impact-stat .num {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--text);
    font-feature-settings: "tnum";
    margin-bottom: 8px;
  }
  .impact-stat .num .unit { font-size: 22px; color: var(--teal); margin-left: 2px; }
  .impact-stat .label {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.45;
  }
  .impact-stat--qualitative .headline {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 10px;
  }
  .impact-stat--qualitative .detail {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
  }

  /* ===== SECTION 6: BUILT FOR (gold accent block) ===== */
  .built {
    padding: 100px 48px;
    background: var(--gold);
    color: #1B1208;
    position: relative;
    overflow: hidden;
  }
  .built::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(255,255,255,0.18), transparent 60%);
    pointer-events: none;
  }
  .built-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 64px;
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }
  .built-grid h2 {
    font-size: clamp(28px, 3.4vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: #1B1208;
  }
  .built-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-left: 1px solid rgba(27,18,8,0.18);
  }
  .built-card {
    padding: 8px 24px;
    border-right: 1px solid rgba(27,18,8,0.18);
  }
  .built-card:last-child { border-right: none; padding-right: 0; }
  .built-card:first-child { padding-left: 24px; }
  .built-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1B1208;
  }
  .built-card p {
    font-size: 14.5px;
    color: rgba(27,18,8,0.78);
    line-height: 1.55;
    margin-bottom: 18px;
  }
  .built-card a {
    font-size: 13.5px;
    font-weight: 700;
    color: #1B1208;
    border-bottom: 1.5px solid #1B1208;
    padding-bottom: 2px;
    transition: gap 180ms ease, opacity 180ms ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .built-card a:hover { gap: 10px; opacity: 0.78; }

  /* ===== SECTION 7: CTA / DEMO ===== */
  .demo-cta {
    padding: 120px 48px 140px;
    background: var(--bg-2);
    position: relative;
    overflow: hidden;
  }
  .demo-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 50% 40% at 20% 30%, rgba(46,196,182,0.10), transparent 60%),
      radial-gradient(ellipse 50% 40% at 80% 80%, rgba(217,164,65,0.08), transparent 60%);
    pointer-events: none;
  }
  .demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    max-width: 1180px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }
  .demo-left h2 {
    font-size: clamp(30px, 3.6vw, 46px);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 18px;
  }
  .demo-left h2 .accent {
    color: var(--teal);
  }
  .demo-left p {
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 28px;
    max-width: 50ch;
  }
  .demo-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .demo-bullets li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
  }
  .demo-bullets li svg {
    flex-shrink: 0;
    margin-top: 4px;
    color: var(--teal);
  }
  .demo-form {
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    padding: 36px 32px;
    backdrop-filter: blur(10px);
  }
  .demo-form h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
  }
  .demo-form .helper {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
  }
  .form-row { display: flex; gap: 12px; margin-bottom: 12px; }
  .form-row > * { flex: 1 1 0; min-width: 0; }
  .demo-form input, .demo-form select, .demo-form textarea {
    width: 100%;
    padding: 12px 14px;
    background: rgba(0,0,0,0.28);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 14.5px;
    transition: border-color 160ms ease, background 160ms ease;
  }
  .demo-form input:focus, .demo-form select:focus, .demo-form textarea:focus {
    outline: none;
    border-color: var(--teal);
    background: rgba(0,0,0,0.4);
  }
  .demo-form textarea { resize: vertical; min-height: 80px; }
  .demo-form .submit-btn {
    width: 100%;
    margin-top: 8px;
    padding: 14px 20px;
    background: var(--gold);
    color: #1B1208;
    font-weight: 700;
    font-size: 15px;
    border-radius: 10px;
    transition: background 180ms ease, transform 180ms ease;
  }
  .demo-form .submit-btn:hover:not(:disabled) { background: var(--gold-hover); }
  .demo-form .submit-btn:disabled { opacity: 0.6; cursor: wait; }
  .form-status {
    margin-top: 14px;
    font-size: 14px;
    text-align: center;
    min-height: 20px;
  }
  .form-status.success { color: var(--teal); }
  .form-status.error { color: #FF7A7A; }

  /* ===== FOOTER ===== */
  .footer {
    background: #03050E;
    padding: 64px 48px 36px;
    border-top: 1px solid var(--border);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1280px;
    margin: 0 auto 48px;
  }
  .footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
  }
  .footer-brand img {
    width: 40px;
    height: 40px;
    border-radius: 9px;
  }
  .footer-brand .name {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.01em;
  }
  .footer-tagline {
    font-size: 12.5px;
    color: var(--teal);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 18px;
  }
  .footer-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.55;
    max-width: 32ch;
  }
  .footer-col h5 {
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .footer-col ul a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color 160ms ease;
  }
  .footer-col ul a:hover { color: var(--teal); }
  .footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--text-faint);
  }
  .footer-bottom a { color: var(--text-faint); }
  .footer-bottom a:hover { color: var(--text-muted); }
  .footer-legal {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-faint);
    line-height: 1.6;
  }
  .footer-legal .footer-copyright { color: var(--text-muted); }
  .footer-legal .footer-pending { opacity: 0.7; font-style: italic; }
  .footer-legal .footer-tm,
  .footer-legal .footer-patent { color: var(--text-faint); }
  .footer-legal .footer-patent { font-weight: 500; color: var(--gold, #D9A441); }

  /* Trademark mark - uses system font so the glyph always renders */
  .tm-mark {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 0.45em;
    vertical-align: 0.55em;
    font-weight: 500;
    letter-spacing: 0;
    opacity: 0.75;
    margin-left: 2px;
    display: inline-block;
  }
  .tm-mark-hero {
    font-size: 0.42em;
    vertical-align: 0.95em;
    font-weight: 600;
    opacity: 0.95;
    color: var(--gold, #D9A441);
    margin-left: 4px;
  }

  /* Patent Pending badge for hero */
  .patent-pending-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border: 1px solid rgba(217, 164, 65, 0.35);
    background: rgba(217, 164, 65, 0.08);
    color: #D9A441;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    align-self: flex-start;
    width: auto;
    flex: 0 0 auto;
    margin-bottom: 0;
  }
  /* When badge sits inline with another pill in hero-eyebrow */
  .hero-eyebrow .patent-pending-badge { margin-right: 8px; }
  .patent-pending-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #D9A441;
  }

  /* ============= RESPONSIVE ============= */
  @media (max-width: 1024px) {
    .platform-grid { grid-template-columns: 1fr; gap: 20px; }
    .meet-grid { grid-template-columns: 1fr; gap: 40px; }
    .trusted-grid { grid-template-columns: repeat(2, 1fr); }
    .impact-grid { grid-template-columns: 1fr; gap: 28px; }
    .impact-tabs { flex-direction: row; flex-wrap: wrap; }
    .impact-tab.active::after { display: none; }
    .built-grid { grid-template-columns: 1fr; gap: 32px; }
    .built-cards { grid-template-columns: 1fr; border-left: none; }
    .built-card { padding: 20px 0 !important; border-right: none; border-bottom: 1px solid rgba(27,18,8,0.18); }
    .built-card:last-child { border-bottom: none; }
    .demo-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  }
  @media (max-width: 720px) {
    .nav {
      padding: 12px 16px;
      flex-wrap: wrap;
      row-gap: 8px;
    }
    .nav-brand { flex: 0 0 auto; }
    .nav-cta { padding: 9px 14px; font-size: 13px; }
    .nav-links {
      order: 3;
      width: 100%;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
      padding-top: 6px;
    }
    .nav-links a { font-size: 15px; padding: 6px 2px; }
    .hero { min-height: 90vh; }
    .hero-eyebrow { top: 22%; }
    .hero-bar { padding: 22px 20px; flex-direction: column; align-items: flex-start; gap: 16px; }
    .hero-bar h2 { font-size: 18px; }
    .platform, .meet, .trusted, .impact, .demo-cta { padding: 80px 20px; }
    .built { padding: 70px 20px; }
    .footer { padding: 48px 20px 28px; }
    .trusted-grid { grid-template-columns: 1fr; }
    .impact-stats { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .impact-content { padding: 24px; }
  }

  /* Reveal-on-scroll */
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms ease, transform 700ms ease; }
  .reveal.in { opacity: 1; transform: translateY(0); }
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero-bg, .hero-glow-1, .hero-glow-2 { animation: none !important; }
  }

  /* ============= MULTI-PAGE NAV ADDITIONS ============= */
  /* Active page indicator on inline nav links */
  .nav-links a[aria-current="page"] {
    color: var(--teal);
    opacity: 1;
    position: relative;
  }
  .nav-links a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: var(--teal);
    border-radius: 2px;
  }

  /* Hamburger button — visible on all viewport sizes */
  .nav-mobile-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    margin-left: 14px;
    transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
  }
  .nav-mobile-toggle:hover {
    background: rgba(46, 196, 182, 0.08);
    border-color: var(--teal);
    color: var(--teal);
  }

  /* Full-screen overlay menu */
  .nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(7, 9, 26, 0.96);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    opacity: 0;
    visibility: hidden;
    transform: translateX(40px);
    transition: opacity 280ms ease, transform 280ms ease, visibility 280ms ease;
    display: flex;
    flex-direction: column;
  }
  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }
  .nav-overlay-inner {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    padding: 26px 36px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .nav-overlay-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
  }
  .nav-overlay-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.01em;
  }
  .nav-overlay-brand img {
    height: 28px;
    width: auto;
  }
  .nav-overlay-close {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    color: var(--text);
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
  }
  .nav-overlay-close:hover {
    background: rgba(46, 196, 182, 0.08);
    border-color: var(--teal);
    color: var(--teal);
  }
  .nav-overlay-links {
    list-style: none;
    margin: 56px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .nav-overlay-links li { margin: 0; }
  .nav-overlay-links a {
    display: flex;
    align-items: baseline;
    gap: 18px;
    padding: 18px 4px;
    color: var(--text);
    text-decoration: none;
    font-size: 36px;
    font-weight: 600;
    letter-spacing: -0.02em;
    border-bottom: 1px solid var(--border);
    transition: color 180ms ease, padding-left 220ms ease;
  }
  .nav-overlay-links a .num {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-faint);
    letter-spacing: 0.08em;
    font-variant-numeric: tabular-nums;
    min-width: 36px;
  }
  .nav-overlay-links a:hover {
    color: var(--teal);
    padding-left: 12px;
  }
  .nav-overlay-links a[aria-current="page"] {
    color: var(--teal);
  }
  .nav-overlay-links a[aria-current="page"] .num {
    color: var(--teal);
  }
  .nav-overlay-cta-row {
    margin-top: auto;
    padding: 32px 0 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
  }
  .nav-overlay-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold);
    color: #1B1208;
    text-decoration: none;
    font-weight: 700;
    padding: 14px 26px;
    font-size: 15px;
    border-radius: 999px;
    transition: background 180ms ease, transform 180ms ease;
  }
  .nav-overlay-cta:hover {
    background: var(--gold-hover);
    transform: translateY(-1px);
  }
  .nav-overlay-meta {
    color: var(--text-faint);
    font-size: 13px;
  }
  body.no-scroll { overflow: hidden; }

  @media (max-width: 720px) {
    .nav-overlay-inner { padding: 22px 22px; }
    .nav-overlay-links { margin-top: 36px; }
    .nav-overlay-links a { font-size: 26px; padding: 16px 2px; }
    .nav-mobile-toggle { margin-left: 8px; }
  }

  /* ============= PAGE HERO STRIP (subpages) ============= */
  .page-hero {
    position: relative;
    background:
      linear-gradient(180deg, var(--navy) 0%, #0a1f3d 100%);
    padding: 130px 36px 56px;
    border-bottom: 2px solid var(--teal);
    overflow: hidden;
  }
  .page-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--teal-glow), transparent);
  }
  .page-hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .page-hero .eyebrow-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(46, 196, 182, 0.12);
    color: var(--teal);
    border: 1px solid rgba(46, 196, 182, 0.28);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    align-self: flex-start;
  }
  .page-hero h1 {
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.08;
    color: var(--text);
    max-width: 900px;
  }
  .page-hero p {
    font-size: clamp(15px, 1.4vw, 18px);
    color: var(--text-muted);
    max-width: 720px;
    line-height: 1.6;
  }
  @media (max-width: 720px) {
    .page-hero { padding: 110px 20px 42px; }
  }

  /* ============= HOME PREVIEW CARDS ============= */
  .preview {
    padding: 100px 36px;
    background: var(--bg);
    position: relative;
  }
  .preview-header {
    max-width: 1280px;
    margin: 0 auto 48px;
    text-align: center;
  }
  .preview-header .section-label {
    display: inline-block;
    color: var(--teal);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .preview-header h2 {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--text);
    max-width: 760px;
    margin: 0 auto;
  }
  .preview-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .preview-grid > a:nth-child(4),
  .preview-grid > a:nth-child(5) {
    /* keep 3-column on top row, 2 on second row */
  }
  .preview-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px 26px;
    background: var(--navy);
    border: 1px solid rgba(46, 196, 182, 0.22);
    border-radius: 16px;
    color: var(--text);
    text-decoration: none;
    transition: border-color 200ms ease, transform 220ms ease, background 220ms ease;
    position: relative;
    min-height: 220px;
  }
  .preview-card:hover {
    border-color: var(--teal);
    background: #0d2b54;
    transform: translateY(-3px);
  }
  .preview-card .num {
    color: var(--teal);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    font-variant-numeric: tabular-nums;
  }
  .preview-card h3 {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
  }
  .preview-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.55;
    flex: 1;
  }
  .preview-card .more {
    color: var(--teal);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: -0.005em;
    margin-top: 6px;
  }
  @media (max-width: 980px) {
    .preview-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 600px) {
    .preview { padding: 70px 20px; }
    .preview-grid { grid-template-columns: 1fr; }
  }

  /* ============= VIDEO SECTION ============= */
  .video-section {
    padding: 100px 48px;
    max-width: 1280px;
    margin: 0 auto;
  }
  .video-header {
    text-align: center;
    margin-bottom: 40px;
  }
  .video-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 12px 0 10px;
    letter-spacing: -0.01em;
  }
  .video-disclaimer {
    color: var(--text-muted);
    font-size: 13px;
    font-style: italic;
  }
  .video-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
  }
  .video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  @media (max-width: 720px) {
    .video-section { padding: 64px 16px; }
    .video-header h2 { font-size: 26px; }
    .video-wrap { border-radius: 14px; }
  }

  /* ============= DEMO MODAL ============= */
  .demo-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(7, 9, 26, 0.78);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .demo-modal.open { display: flex; }
  .demo-modal-card {
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-2);
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    padding: 36px 32px 32px;
    position: relative;
    box-shadow: 0 40px 120px -20px rgba(0,0,0,0.7);
  }
  .demo-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 22px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 160ms ease, color 160ms ease;
  }
  .demo-modal-close:hover { background: rgba(255,255,255,0.06); color: var(--text); }
  .demo-modal-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
  }
  .demo-modal-card .demo-sub {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 22px;
  }
  .demo-form { display: grid; gap: 12px; }
  .demo-form label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 6px;
  }
  .demo-form input,
  .demo-form select,
  .demo-form textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
    transition: border-color 160ms ease, background 160ms ease;
  }
  .demo-form input:focus,
  .demo-form select:focus,
  .demo-form textarea:focus {
    outline: none;
    border-color: var(--teal);
    background: var(--bg-3);
  }
  .demo-form textarea { min-height: 84px; resize: vertical; }
  .demo-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  @media (max-width: 480px) {
    .demo-form-row { grid-template-columns: 1fr; }
    .demo-modal-card { padding: 28px 22px 24px; }
  }
  .demo-submit {
    margin-top: 8px;
    padding: 14px 20px;
    background: var(--gold);
    color: #1B1208;
    font-weight: 700;
    font-size: 15px;
    border-radius: 10px;
    transition: background 160ms ease, transform 160ms ease;
  }
  .demo-submit:hover:not(:disabled) { background: var(--gold-hover); transform: translateY(-1px); }
  .demo-submit:disabled { opacity: 0.6; cursor: not-allowed; }
  .demo-status {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    display: none;
  }
  .demo-status.success { display: block; background: rgba(46, 196, 182, 0.1); border: 1px solid rgba(46, 196, 182, 0.3); color: #6EE7DC; }
  .demo-status.error { display: block; background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: #FCA5A5; }