:root {
  --brand-navy: #050f1a;
  --brand-teal: #00a896;
  --brand-teal-dark: #00897b;
  --brand-cyan: #4dd0e1;
  --brand-lime: #c6d94c;
  --brand-lime-soft: #e8f5a8;
  --muted: #5c6b66;
  --border: #d5e4de;
  --surface: #ffffff;
  --bg: #f3f8f6;
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 24px 60px rgba(5, 15, 26, 0.12);
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--brand-navy);
  background: var(--bg);
}

a { color: var(--brand-teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--glass);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(213, 228, 222, 0.8);
}

.site-nav .logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--brand-navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-nav .logo span { color: var(--brand-teal); }

.site-nav .links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.site-nav .links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav .links a:hover { color: var(--brand-teal-dark); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand-teal), var(--brand-teal-dark));
  color: white;
  box-shadow: 0 12px 30px rgba(0, 168, 150, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--brand-navy);
  border: 1px solid var(--border);
}

.site-footer {
  padding: 40px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

.site-footer a { font-weight: 600; }

@media (max-width: 640px) {
  .site-nav .links .hide-mobile { display: none; }
}