:root {
  --bg: #071012;
  --surface: #0d191c;
  --surface-soft: #122428;
  --text: #eef8f4;
  --muted: #9fb4ad;
  --brand: #a6f3d2;
  --border: rgba(166, 243, 210, 0.16);
  --danger: #ff8a8a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(166, 243, 210, 0.16), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(69, 136, 121, 0.14), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 22px;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 36px;
  height: 36px;
  display: block;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-wordmark {
  display: inline-block;
  line-height: 1;
  color: var(--text);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}

.hero {
  padding: 88px 0 72px;
}

.hero-card {
  background: linear-gradient(145deg, rgba(13, 25, 28, 0.94), rgba(18, 36, 40, 0.78));
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: clamp(28px, 6vw, 64px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.kicker {
  color: var(--brand);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.12em;
}

h1 {
  margin: 14px 0 18px;
  font-size: clamp(44px, 8vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

h2 {
  margin-top: 44px;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

h3 {
  margin-top: 28px;
  font-size: 20px;
}

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

.lead {
  max-width: 700px;
  font-size: 19px;
  color: #cce0da;
}

.actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--brand);
  color: #071012;
  font-weight: 800;
}

.button.secondary {
  background: transparent;
  color: var(--brand);
  border: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(13, 25, 28, 0.72);
  border: 1px solid var(--border);
}

.page {
  padding: 56px 0 72px;
}

.page-card {
  background: rgba(13, 25, 28, 0.78);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(24px, 5vw, 48px);
}

.notice {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(166, 243, 210, 0.08);
  border: 1px solid var(--border);
  color: #cce0da;
}

.footer {
  padding: 30px 0 44px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

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

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

  .hero {
    padding-top: 44px;
  }
}