:root {
  color-scheme: dark;
  --bg: #07090f;
  --surface: rgba(18, 22, 34, 0.82);
  --surface-strong: #151a28;
  --text: #f5f7ff;
  --muted: #aab2c5;
  --line: rgba(255, 255, 255, 0.11);
  --accent: #9dff7a;
  --accent-2: #72d9ff;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(114, 217, 255, 0.12), transparent 32rem),
    radial-gradient(circle at 88% 14%, rgba(157, 255, 122, 0.11), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 15, 0.78);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(157, 255, 122, 0.42);
  border-radius: 0.65rem;
  background: linear-gradient(145deg, rgba(157, 255, 122, 0.2), rgba(114, 217, 255, 0.12));
  color: var(--accent);
  font-size: 0.72rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.25rem;
}

.nav-links a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  padding: 0.45rem 0.7rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  outline: none;
}

.hero {
  display: grid;
  min-height: 68vh;
  align-items: center;
  padding: 6rem 0 5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 6.8rem);
}

.gradient-text {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  background-clip: text;
  color: transparent;
}

.hero-copy {
  max-width: 720px;
  margin: 1.75rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  background: rgba(255, 255, 255, 0.04);
  font-weight: 720;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #0b1208;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 0 6rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--surface);
  padding: 1.5rem;
}

.card-number {
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.card h2 {
  margin: 1rem 0 0.65rem;
  font-size: 1.25rem;
}

.card p,
.legal p,
.legal li {
  color: var(--muted);
}

.legal {
  max-width: 820px;
  min-height: 68vh;
  padding: 5rem 0 6rem;
}

.legal h1 {
  font-size: clamp(2.5rem, 6vw, 4.8rem);
}

.legal h2 {
  margin-top: 2.5rem;
  font-size: 1.45rem;
}

.legal h3 {
  margin-top: 1.6rem;
}

.legal a {
  color: var(--accent-2);
}

.updated {
  margin: 1.2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.notice {
  margin: 2rem 0;
  border-left: 3px solid var(--accent);
  border-radius: 0.35rem 1rem 1rem 0.35rem;
  background: rgba(157, 255, 122, 0.07);
  padding: 1rem 1.2rem;
}

.steps {
  padding-left: 1.25rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
    padding: 4rem 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-row {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}