:root {
  color-scheme: light dark;
  --bg: #071019;
  --panel: #101a24;
  --text: #f7fbff;
  --muted: #aab6c2;
  --line: rgba(255, 255, 255, 0.12);
  --blue: #1497ff;
  --gold: #ffd60a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(20, 151, 255, 0.18), transparent 34rem),
    linear-gradient(180deg, #071019 0%, #0b1118 100%);
  color: var(--text);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 25, 0.82);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.nav {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.hero,
.content {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 22px;
}

.hero {
  min-height: 64vh;
  display: grid;
  align-content: center;
}

.eyebrow {
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1 {
  max-width: 800px;
  margin: 10px 0 16px;
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin: 34px 0 10px;
  font-size: 1.35rem;
  line-height: 1.25;
}

p,
li {
  color: var(--muted);
  font-size: 1rem;
}

.lead {
  max-width: 720px;
  font-size: 1.22rem;
  color: #d5dee8;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.card {
  display: block;
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 26, 36, 0.78);
}

.card strong {
  display: block;
  color: var(--text);
  margin-bottom: 8px;
}

.page-title {
  max-width: 820px;
  margin-bottom: 30px;
}

.page-title h1 {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
}

.document {
  max-width: 820px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 26, 36, 0.74);
}

.document ul {
  padding-left: 1.2rem;
}

.contact-box {
  margin-top: 20px;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid rgba(20, 151, 255, 0.35);
  background: rgba(20, 151, 255, 0.1);
}

.site-footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 30px 22px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .content {
    padding-top: 38px;
  }

  .document {
    padding: 20px;
  }
}