:root {
  color-scheme: light;
  --bg: #0f1115;
  --card: #171a21;
  --text: #e8eef7;
  --muted: #a9b4c7;
  --accent: #5ad2ff;
  --accent-strong: #2ea8ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
}

.container {
  width: min(100% - 32px, 980px);
  margin: 0 auto;
}

.hero {
  padding: 32px 0 48px;
  background: radial-gradient(circle at top, #1b2332, #0f1115 70%);
  border-bottom: 1px solid var(--border);
}

.hero__top {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.nav a {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav a:hover,
.nav a:focus-visible {
  border-color: var(--border);
  color: var(--text);
}

.hero__content h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 12px;
}

.hero__content p {
  margin: 0 0 12px;
  color: var(--muted);
}

.hero__content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.hero__actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  -webkit-text-fill-color: #ffffff;
  font-weight: 600;
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.7),
    0 2px 8px rgba(0, 0, 0, 0.35);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(46, 168, 255, 0.35);
}

.badge {
  font-size: 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.content {
  padding: 28px 0 40px;
  display: grid;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.card h3 {
  margin: 16px 0 8px;
  font-size: 18px;
  color: var(--text);
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.card ul {
  margin: 0 0 12px 18px;
  color: var(--muted);
  padding: 0;
}

.card li {
  margin-bottom: 8px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 28px;
  color: var(--muted);
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

@media (min-width: 720px) {
  .hero__top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .footer__content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}