:root {
  --bg: #0a0c12;
  --bg-2: #0f1320;
  --fg: #eef0f6;
  --muted: #a6adbb;
  --accent: #7ee4b5;
  --accent-2: #5bb8ff;
  --card: #151a26;
  --border: #232a3d;
  --shadow: rgba(6, 9, 18, 0.55);
}

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

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(91, 184, 255, 0.08), transparent 45%),
    radial-gradient(circle at 30% 10%, rgba(126, 228, 181, 0.1), transparent 35%),
    var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

.site-header {
  padding: 2.5rem 1.5rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0 2rem;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--fg);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 3.4rem);
  margin-bottom: 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #061017;
  box-shadow: 0 10px 24px rgba(91, 184, 255, 0.25);
}

.button.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(91, 184, 255, 0.35);
}

.button.ghost {
  border: 1px solid var(--border);
  color: var(--fg);
  background: rgba(21, 26, 38, 0.6);
}

.button.ghost:hover {
  border-color: rgba(126, 228, 181, 0.6);
  color: var(--accent);
}

.hero-card {
  background: linear-gradient(160deg, rgba(21, 26, 38, 0.9), rgba(15, 19, 32, 0.9));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 18px 40px var(--shadow);
}

.hero-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.hero-card p {
  color: var(--muted);
  margin-bottom: 1.2rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
  display: grid;
  gap: 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 14px 28px var(--shadow);
}

.card h2 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card p {
  color: var(--muted);
  margin-bottom: 1rem;
}

ul {
  list-style: none;
  padding-left: 0;
}

li {
  margin-bottom: 0.6rem;
}

.checklist li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--muted);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

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

footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  margin-top: 0.75rem;
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-links .dot {
  opacity: 0.6;
}

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

a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .card,
  .hero-card {
    padding: 1.5rem;
  }
}