:root {
    --bg: #0b1020;
    --surface: #0f1630;
    --muted: #9aa4b2;
    --text: #e9eef7;
    --primary: #6a7bff;
    --primary-600: #5a68e6;
    --accent: #16d2aa;
    --card: #121a38;
    --border: #1c2547;
    --shadow: 0 10px 30px rgba(0,0,0,.35);
  }
  
  * { box-sizing: border-box; }
  html, body { padding: 0; margin: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
    color: var(--text);
    background: radial-gradient(1200px 600px at 80% -10%, rgba(106,123,255,.25), transparent 60%), var(--bg);
    line-height: 1.6;
  }
  
  .container { width: min(1100px, 92%); margin: 0 auto; }
  
  /* Nav */
  .nav { position: sticky; top: 0; backdrop-filter: blur(8px); background: rgba(11,16,32,.6); border-bottom: 1px solid var(--border); z-index: 10; }
  .nav__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 12px; }
  .brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); }
  .brand__logo { width: 28px; height: 28px; }
  .brand__name { font-weight: 700; letter-spacing: .3px; }
  
  .nav__links { display: flex; gap: 20px; }
  .nav__links a { color: var(--muted); text-decoration: none; font-weight: 600; }
  .nav__links a:hover { color: var(--text); }
  .nav__cta { margin-left: 8px; }
  .nav__menu { display: none; color: var(--text); background: transparent; border: 1px solid var(--border); padding: 6px 10px; border-radius: 8px; }
  
  /* Buttons */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; text-decoration: none; font-weight: 700; border: 1px solid transparent; transition: transform .08s ease, box-shadow .2s ease, background .2s ease; }
  .btn--primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #06101a; box-shadow: var(--shadow); }
  .btn--primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
  .btn--ghost { background: transparent; border-color: var(--border); color: var(--text); }
  .btn--ghost:hover { border-color: var(--primary); color: var(--text); }
  .btn--lg { padding: 14px 22px; font-size: 1.05rem; }
  
  /* Hero */
  .hero { padding: 72px 0 48px; }
  .hero__inner { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; justify-items: center; text-align: center; }
  .hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.1; margin: 0 0 14px; }
  .hero p { color: var(--muted); margin: 0 0 18px; }
  .hero__ctas { display: flex; gap: 12px; margin: 10px 0 16px; flex-wrap: wrap; justify-content: center; }
  .hero__proof { display: flex; gap: 14px; color: var(--muted); font-size: .95rem; justify-content: center; }
  
  /* Logos */
  .logos { padding: 12px 0 36px; text-align: center; }
  .logos__inner { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; opacity: .9; }
  .logos__label { color: var(--muted); margin-right: 10px; }
  .logos__item { height: 26px; filter: grayscale(100%) contrast(1.1) brightness(.9); opacity: .8; }
  
  /* Features */
  .features { padding: 36px 0; }
  .features h2, .how h2, .faq h2 { font-size: 1.7rem; margin: 0 0 18px; }
  .features h2 { text-align: center; }
  .how h2 { text-align: center; }
  .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
  .card { background: linear-gradient(180deg, var(--surface), var(--card)); border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); }
  .card h3 { margin: 0 0 8px; font-size: 1.1rem; }
  .card p { margin: 0; color: var(--muted); }
  
  /* How */
  .how { padding: 22px 0 36px; }
  .steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0; margin: 0; list-style: none; }
  .steps li { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
  .steps li::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: #06101a; font-weight: 800; margin-right: 8px; }
  
  /* CTA */
  .cta { padding: 36px 0 48px; }
  .cta__inner { text-align: center; background: linear-gradient(180deg, var(--surface), var(--card)); border: 1px solid var(--border); border-radius: 16px; padding: 24px; box-shadow: var(--shadow); }
  .cta__inner p { color: var(--muted); margin-top: 6px; }
  
  /* Waitlist */
  .waitlist { padding: 10px 0 36px; }
  .status { background: rgba(22,210,170,.12); border: 1px solid rgba(22,210,170,.35); color: #b7ffe9; padding: 10px 12px; border-radius: 10px; margin-bottom: 10px; font-weight: 600; }
  .form { display: grid; gap: 10px; }
  .form__row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
  .form input[type="email"] { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: #0b122a; color: var(--text); }
  .form__checkbox { color: var(--muted); display: inline-flex; align-items: center; gap: 8px; font-size: .95rem; }
  
  /* FAQ */
  .faq { padding: 10px 0 48px; }
  details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; margin-bottom: 10px; }
  summary { cursor: pointer; font-weight: 700; color: var(--text); }
  details p { margin: 8px 0 0; color: var(--muted); }
  
  /* Footer */
  .footer { border-top: 1px solid var(--border); padding: 18px 0; }
  .footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
  .footer__copy { color: var(--muted); margin: 0; }
  
  /* Responsive */
  @media (max-width: 960px) {
    .hero__inner { grid-template-columns: 1fr; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: 1fr; }
  }
  @media (max-width: 720px) {
    .nav__links { display: none; }
    .nav__menu { display: inline-block; }
    /* Hide the big navbar CTA on small screens; use hero CTA instead */
    .nav__cta { display: none; }
    /* Mobile dropdown menu */
    .nav__links.open {
      display: flex;
      position: fixed;
      right: 12px;
      top: 56px;
      left: auto;
      transform: none;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 10px 14px;
      box-shadow: var(--shadow);
      z-index: 20;
      gap: 10px;
      flex-direction: column;
      align-items: stretch;
      min-width: 180px;
    }
    .nav__links.open a { display: block; padding: 6px 4px; }
    .form__row { grid-template-columns: 1fr; }
    .grid { grid-template-columns: 1fr; }
    .hero { padding: 56px 0 32px; }
    .cta__inner { padding: 20px; }
    .hero__ctas .btn, .cta__inner .btn, .form button[type="submit"] { width: 100%; }
  }
  @media (max-width: 480px) {
    .btn { padding: 12px 16px; font-size: 1rem; }
    .card { padding: 14px; }
    .steps li { padding: 14px; }
  }