:root {
    --bg-deep: #0a0a0a;
    --bg-card: #111111;
    --bg-elevated: #1a1a1a;
    --bg-subtle: #222222;
    --border: #2a2a2a;
    --border-bright: #383838;
    --text-primary: #f0f0f0;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent: #e8e8e8;
    --accent-dim: #666666;
    --white: #ffffff;
    --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
  }

  /* Background grid texture */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
  }

  /* Subtle radial glow */
  body::after {
    content: '';
    position: fixed;
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
  }

  /* ─── OUTER SHELL ─── */
  .shell {
    position: relative;
    z-index: 1;
    width: 100%;
    margin: 0;
    padding: 0;
  }

  /* ─── NAV ─── */
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 48px;
    background: rgba(10,10,10,0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    text-transform: uppercase;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    border: 2px solid var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }

  .logo-icon::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
  }

  .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 400;
    padding: 7px 14px;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
  }

  .nav-links .chevron {
    font-size: 10px;
    opacity: 0.5;
  }

  .btn-demo {
    background: var(--white);
    color: #0a0a0a;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    padding: 10px 22px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .btn-demo:hover {
    background: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(255,255,255,0.12);
  }

  /* ─── HERO ─── */
  .hero {
    background: var(--bg-card);
    padding: 80px 48px 64px;
    position: relative;
    overflow: hidden;
    min-height: 520px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 40px;
  }

  /* Noise overlay on hero */
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--noise);
    pointer-events: none;
    z-index: 0;
  }

  /* Glow sphere inside hero */
  .hero::after {
    content: '';
    position: absolute;
    top: -80px;
    right: -60px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
  }

  .hero-left {
    position: relative;
    z-index: 1;
  }

  .backed-by {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 28px;
  }

  .backer-tag {
    font-weight: 700;
    color: var(--text-secondary);
    font-style: italic;
  }

  .backer-tag.speed {
    font-style: italic;
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(42px, 5vw, 68px);
    line-height: 1.0;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 40px;
  }

  h1 span {
    color: var(--text-secondary);
  }

  .btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--border-bright);
    padding: 13px 26px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s;
  }

  .btn-hero:hover {
    border-color: var(--text-secondary);
    background: var(--bg-elevated);
    transform: translateY(-1px);
  }

  .hero-bottom {
    position: relative;
    z-index: 1;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    margin-top: 32px;
  }

  .hero-description {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 420px;
  }

  .trust-badges {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-top: 20px;
  }

  .badge {
    width: 54px;
    height: 54px;
    border: 1px solid var(--border-bright);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2px;
    background: var(--bg-elevated);
    transition: all 0.2s;
  }

  .badge:hover {
    border-color: var(--text-muted);
    background: var(--bg-subtle);
  }

  .badge-text {
    font-family: 'Syne', sans-serif;
    font-size: 7px;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: center;
    letter-spacing: 0.05em;
    line-height: 1.2;
  }

  /* ─── VIDEO PLACEHOLDER ─── */
  .video-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-bright);
    border-radius: 10px;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    max-width: 340px;
    justify-self: end;
  }

  .video-card:hover {
    border-color: var(--text-muted);
    transform: scale(1.01);
  }

  /* Dark scanline on video */
  .video-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.05) 2px,
      rgba(0,0,0,0.05) 4px
    );
    pointer-events: none;
    z-index: 1;
  }

  /* Simulated video still */
  .video-card-inner {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(135deg, #1c1c1c 0%, #0e0e0e 50%, #161616 100%);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* A silhouette-like shape */
  .video-card-inner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 100px;
    background: radial-gradient(ellipse, #2a2a2a 0%, transparent 70%);
    border-radius: 50% 50% 0 0;
  }

  .play-btn {
    width: 48px;
    height: 48px;
    border: 1.5px solid rgba(255,255,255,0.35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(4px);
    position: relative;
    z-index: 2;
    transition: all 0.2s;
  }

  .video-card:hover .play-btn {
    border-color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.12);
    transform: scale(1.08);
  }

  .play-btn::after {
    content: '';
    border-left: 14px solid rgba(255,255,255,0.8);
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 3px;
  }

  /* ─── BOTTOM OUTER STRIP ─── */
  .outer-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
      radial-gradient(ellipse 80% 60% at 70% 10%, rgba(255,255,255,0.025) 0%, transparent 60%),
      var(--bg-deep);
  }

  /* ─── ANIMATIONS ─── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .logo { animation: fadeUp 0.5s ease both; }
  .backed-by { animation: fadeUp 0.5s 0.1s ease both; }
  h1 { animation: fadeUp 0.6s 0.2s ease both; }
  .btn-hero { animation: fadeUp 0.5s 0.35s ease both; }
  .hero-bottom { animation: fadeUp 0.5s 0.45s ease both; }
  .video-card { animation: fadeUp 0.6s 0.5s ease both; }