* { box-sizing: border-box; }

:root {
  color-scheme: dark;
  --bg: #050707;
  --panel: #0c1616;
  --text: #f4f7f7;
  --muted: #aab6b6;
  --line: rgba(255,255,255,0.12);
  --accent: #4fb7ae;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(79,183,174,0.16), transparent 34rem), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); }

.page {
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
  padding: 2rem;
}

.hero {
  width: min(760px, 100%);
  padding: 4rem 2rem;
  text-align: center;
  background: rgba(12, 22, 22, 0.72);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.3rem, 8vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.tagline {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 700;
}

.description {
  max-width: 620px;
  margin: 1.2rem auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  background: var(--text);
  color: #050707;
  text-decoration: none;
  font-weight: 800;
}

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

footer {
  padding: 1.5rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

.content {
  width: min(880px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.content h1 {
  margin-top: 1.5rem;
  font-size: clamp(2rem, 6vw, 3.8rem);
}

.content h2 {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-size: 1.35rem;
}

.content p, .content li { color: var(--muted); }
.content strong { color: var(--text); }

.back {
  display: inline-block;
  margin-bottom: 1rem;
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
}

ol, ul { padding-left: 1.4rem; }

@media (max-width: 560px) {
  .hero { padding: 3rem 1.25rem; }
  .actions { flex-direction: column; }
  .button { width: 100%; }
}