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

  :root {
    --carbon:     #111110;
    --surface:    #1A1A18;
    --surface2:   #222220;
    --edge:       #2E2E2C;
    --edge-mid:   #3A3A38;
    --blue:       #378ADD;
    --blue-light: #85B7EB;
    --blue-deep:  #042C53;
    --blue-mid:   #185FA5;
    --text-p:     #F0EDE3;
    --text-s:     #6B6963;
    --text-t:     #3A3A38;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--carbon);
    color: var(--text-p);
    font-family: 'Space Grotesk', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* Grid background */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(var(--edge-mid) 1px, transparent 1px),
      linear-gradient(90deg, var(--edge-mid) 1px, transparent 1px);
    background-size: 72px 72px;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
  }

  /* Blue orb top right */
  .orb-tr {
    position: fixed;
    top: -250px;
    right: -150px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(55,138,221,0.1) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
  }

  /* Blue orb bottom left */
  .orb-bl {
    position: fixed;
    bottom: -300px;
    left: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(55,138,221,0.07) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
  }

  /* ── Nav ── */
  nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 64px;
    border-bottom: 0.5px solid var(--edge);
    background: rgba(17,17,16,0.92);
    backdrop-filter: blur(12px);
    animation: fadeDown 0.6s ease both;
  }

  .nav-logo { display: flex; align-items: center; }
  .nav-logo img { height: 48px; width: auto; }

  .nav-cta {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    background: var(--blue);
    border: none;
    border-radius: 8px;
    padding: 8px 18px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
    display: inline-block;
  }

  .nav-cta:hover { background: var(--blue-light); color: var(--carbon); }

  /* ── Hero ── */
  .hero {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 48px 96px;
    text-align: center;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue-deep);
    border: 0.5px solid var(--blue-mid);
    border-radius: 9999px;
    padding: 5px 16px 5px 12px;
    margin-bottom: 36px;
    animation: fadeUp 0.7s 0.1s ease both;
  }

  .badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--blue);
    animation: pulse 2s infinite;
  }

  .badge-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--blue-light);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .hero-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-s);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 20px;
    animation: fadeUp 0.7s 0.15s ease both;
  }

  .hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(38px, 5.5vw, 68px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-p);
    margin-bottom: 12px;
    animation: fadeUp 0.7s 0.2s ease both;
  }

  .hero-title .accent {
    background: linear-gradient(90deg, #378ADD 0%, #185FA5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-subtitle {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(13px, 1.8vw, 16px);
    font-weight: 400;
    color: var(--text-s);
    letter-spacing: 0.02em;
    margin-bottom: 40px;
    animation: fadeUp 0.7s 0.25s ease both;
  }

  .hero-desc {
    font-size: 17px;
    line-height: 1.75;
    color: var(--text-s);
    max-width: 640px;
    margin: 0 auto 48px;
    animation: fadeUp 0.7s 0.3s ease both;
  }

  .hero-desc strong { color: var(--text-p); font-weight: 500; }

  /* ── Waitlist form ── */
  .waitlist-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 520px;
    margin: 0 auto 16px;
    animation: fadeUp 0.7s 0.4s ease both;
  }

  .waitlist-input {
    flex: 1;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px;
    color: var(--text-p);
    background: var(--surface);
    border: 0.5px solid var(--edge);
    border-radius: 8px;
    padding: 13px 16px;
    outline: none;
    transition: border-color 0.15s;
  }

  .waitlist-input::placeholder { color: var(--text-s); }
  .waitlist-input:focus { border-color: var(--blue); }

  .waitlist-btn {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    background: var(--blue);
    border: none;
    border-radius: 8px;
    padding: 13px 24px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
  }

  .waitlist-btn:hover { background: var(--blue-light); color: var(--carbon); }
  .waitlist-btn:disabled { background: var(--edge); color: var(--text-s); cursor: not-allowed; }

  .waitlist-note {
    font-size: 12px;
    color: var(--text-t);
    animation: fadeUp 0.7s 0.45s ease both;
  }

  .waitlist-success {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 520px;
    margin: 0 auto 16px auto;
    background: var(--surface);
    border: 0.5px solid var(--blue-mid);
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 14px;
    color: var(--blue-light);
    font-family: 'JetBrains Mono', monospace;
  }

  .waitlist-success .tick {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--blue-deep);
    border: 0.5px solid var(--blue-mid);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }

  /* ── Divider ── */
  .section-divider {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 48px;
    border-top: 0.5px solid var(--edge);
  }

  /* ── Features ── */
  .features {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 96px 48px;
  }

  .section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-s);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 16px;
  }

  .section-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-p);
    text-align: center;
    margin-bottom: 64px;
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .feature-card {
    background: var(--surface);
    border: 0.5px solid var(--edge);
    border-radius: 12px;
    padding: 28px 24px;
    transition: border-color 0.2s;
  }

  .feature-card:hover { border-color: var(--blue-mid); }

  .feature-icon {
    width: 40px; height: 40px;
    border-radius: 8px;
    background: var(--blue-deep);
    border: 0.5px solid var(--blue-mid);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
  }

  .feature-icon svg { width: 18px; height: 18px; stroke: var(--blue-light); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

  .feature-title {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-p);
    margin-bottom: 10px;
    line-height: 1.3;
  }

  .feature-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-s);
  }

  .feature-tag {
    display: inline-block;
    margin-top: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    color: var(--blue-light);
    background: var(--blue-deep);
    border-radius: 9999px;
    padding: 3px 10px;
    letter-spacing: 0.04em;
  }

  /* ── How it works ── */
  .how {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 48px 96px;
  }

  .how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 0.5px solid var(--edge);
    border-radius: 12px;
    overflow: hidden;
  }

  .how-step {
    padding: 32px 28px;
    border-right: 0.5px solid var(--edge);
    position: relative;
  }

  .how-step:last-child { border-right: none; }

  .how-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--blue-light);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    display: block;
  }

  .how-title {
    font-family: 'Poppins', sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-p);
    margin-bottom: 10px;
    line-height: 1.3;
  }

  .how-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-s);
  }

  /* ── Bottom CTA ── */
  .bottom-cta {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 48px 120px;
    text-align: center;
  }

  .bottom-cta-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-p);
    margin-bottom: 16px;
  }

  .bottom-cta-title .accent {
    background: linear-gradient(90deg, #378ADD 0%, #185FA5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .bottom-cta-sub {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-s);
    margin-bottom: 40px;
  }

  /* ── Footer ── */
  footer {
    position: relative;
    z-index: 1;
    border-top: 0.5px solid var(--edge);
    padding: 8px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .footer-logo img { height: 48px; width: auto; opacity: 1.0; }
  .footer-note { font-size: 12px; color: var(--text-t); }

  /* ── Animations ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
  }

  /* ── Responsive ── */
  @media (max-width: 800px) {
    nav { padding: 0 24px; }
    .hero { padding: 80px 24px 64px; }
    .features, .how, .bottom-cta { padding-left: 24px; padding-right: 24px; }
    .features-grid { grid-template-columns: 1fr; }
    .how-grid { grid-template-columns: 1fr; }
    .how-step { border-right: none; border-bottom: 0.5px solid var(--edge); }
    .how-step:last-child { border-bottom: none; }
    footer { flex-direction: column; gap: 12px; text-align: center; }
  }
