:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --text: #0f172a;
  --text-muted: #334155;
  --text-on-dark: #e2e8f0;
  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.5;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(4px);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-on-dark);
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.5rem;
  background: var(--primary);
}

.main-nav {
  display: flex;
  gap: 1.15rem;
}

.main-nav a {
  color: var(--text-on-dark);
  text-decoration: none;
  font-size: 0.95rem;
}

.main-nav a:hover {
  color: #7dd3fc;
}

.hero {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--text-on-dark);
  padding: 6rem 0 5rem;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin: 0 0 0.5rem;
  color: #7dd3fc;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.1rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.65rem;
  padding: 0.68rem 1.1rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #082f49;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ecfeff;
}

.btn-secondary {
  background: transparent;
  border-color: #334155;
  color: var(--text-on-dark);
}

.btn-secondary:hover {
  border-color: #7dd3fc;
  color: #7dd3fc;
}

.section {
  padding: 4rem 0;
}

.section-muted {
  background: var(--surface-muted);
}

.section p {
  color: var(--text-muted);
  max-width: 75ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 1.2rem;
}

.card p {
  margin-bottom: 0;
}

.link-list {
  margin: 0;
  padding-left: 1.1rem;
}

.link-list li {
  margin: 0.5rem 0;
}

.link-list a {
  color: #0369a1;
}

.link-list a:hover {
  color: #0c4a6e;
}

.contact-box {
  display: grid;
  gap: 0.5rem;
}

.site-footer {
  background: var(--bg);
  color: #94a3b8;
  padding: 1.25rem 0;
  font-size: 0.9rem;
}

.footer-wrap {
  display: flex;
  justify-content: center;
  text-align: center;
}

@media (max-width: 720px) {
  .nav-wrap {
    min-height: 64px;
    flex-direction: column;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.65rem 0;
  }

  .main-nav {
    gap: 0.9rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 4.5rem 0 4rem;
  }
}