:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --surface: #f8fafc;
  --card: rgba(255, 255, 255, 0.95);
  --primary: #1d4ed8;
  --accent: #38bdf8;
  --text: #0f172a;
  --muted: #475569;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.hero {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.35), transparent 40%),
    linear-gradient(135deg, #0f172a, #1d4ed8);
  color: #f8fafc;
  padding: 80px 24px;
  text-align: center;
}

.hero h1 {
  margin: 0 auto 16px;
  max-width: 720px;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
}

.hero p {
  margin: 0 auto 32px;
  max-width: 640px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.82);
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.cta.primary {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #fff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
}

.cta.secondary {
  background: rgba(248, 250, 252, 0.18);
  color: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.cta:hover {
  transform: translateY(-2px);
}

main {
  background: var(--surface);
  padding: 64px 24px 96px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section {
  margin-bottom: 64px;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

.card h3 {
  margin-top: 0;
  font-size: 1.4rem;
}

.card p {
  color: var(--muted);
  line-height: 1.5;
}

.badge-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.badge-list span {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.08);
  color: var(--primary);
  font-weight: 600;
}

.split {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
}

.split img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.26);
}

.quiet-hours {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  color: var(--muted);
}

footer {
  background: #0b1220;
  color: rgba(248, 250, 252, 0.75);
  text-align: center;
  padding: 32px 24px;
  font-size: 0.9rem;
}

footer a {
  color: #38bdf8;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

th, td {
  padding: 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  text-align: left;
}

@media (max-width: 600px) {
  .hero {
    padding: 56px 16px;
  }

  main {
    padding: 48px 16px 72px;
  }

  .card {
    padding: 20px;
  }
}