:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-accent: #0f1f35;
  --card: rgba(10, 21, 38, 0.78);
  --border: rgba(160, 190, 255, 0.16);
  --text: #ecf3ff;
  --muted: #a6b7d4;
  --primary: #7cc7ff;
  --primary-strong: #37a7ff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top, rgba(55, 167, 255, 0.16), transparent 30%),
    linear-gradient(180deg, var(--bg), #030814 72%);
  color: var(--text);
}

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

.page-shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.site-header,
.site-footer {
  padding: 1rem 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(9, 18, 32, 0.7);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 5rem min(7vw, 4rem);
  margin-top: 1.25rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p,
ul {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1rem;
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-copy,
.info-card p,
.info-card li,
.site-footer p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy {
  max-width: 700px;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #03111d;
}

.button-secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}

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

.info-card {
  padding: 1.6rem;
}

.info-card h2 {
  margin-bottom: 0.9rem;
  font-size: 1.15rem;
}

.info-card ul {
  padding-left: 1.1rem;
  margin-bottom: 0;
}

.text-link {
  color: var(--primary);
  font-weight: 600;
}

.site-footer p {
  margin-bottom: 0;
  font-size: 0.95rem;
  text-align: center;
}

@media (max-width: 860px) {
  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3rem 1.4rem;
  }
}