:root {
  --bg: #0b132b;
  --bg-2: #1c2541;
  --brand: #5bc0be;
  --text: #0b132b;
  --ink: #111827;
  --muted: #6b7280;
  --paper: #ffffff;
  --card: #f8fafc;
  --ring: rgba(91,192,190,0.3);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid #e5e7eb;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 700; color: var(--bg); text-decoration: none; letter-spacing: 0.2px;
  display: flex; align-items: center; gap: 8px;
}
.brand-logo {
  height: 32px; width: auto; object-fit: contain;
}
.nav-links a {
  margin-left: 16px; text-decoration: none; color: #374151; font-weight: 600;
}
.nav-links a:hover { color: var(--bg); }
.nav-links a.active { color: var(--brand); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: #e5f4f3; padding: 80px 0 64px;
}
.hero h1 { font-size: 40px; line-height: 1.1; margin: 0 0 12px; }
.hero .subtitle { color: #cfe9e8; margin: 0 0 24px; }

.page-hero {
  background: #f1f5f9; padding: 56px 0 40px; border-bottom: 1px solid #e5e7eb;
}
.page-hero h1 { margin: 0 0 8px; }
.page-hero .subtitle { margin: 0; color: var(--muted); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 18px; border-radius: 10px;
  text-decoration: none; font-weight: 700; transition: transform .05s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--brand); color: #073b3a; box-shadow: 0 6px 20px var(--ring); }
.btn.ghost { border: 2px solid rgba(255,255,255,0.6); color: #ffffff; }
.hero .btn.ghost { margin-left: 10px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* Sections */
.areas, .features, .contact { padding: 56px 0; }
.areas h2, .features h2, .contact h2 { margin-top: 0; }

.chip-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chip-list li {
  background: #eef2f7; border: 1px solid #e5e7eb; color: #1f2937;
  padding: 8px 12px; border-radius: 999px; font-weight: 600;
}

.grid-3 {
  display: grid; gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.card {
  background: var(--card); border: 1px solid #e5e7eb; border-radius: 14px;
  padding: 20px;
}
section.contact .card {
  background: var(--ring); border: 2px solid #5f70cd; border-radius: 14px;
  padding: 20px;
}
.card h3 { margin-top: 0; margin-bottom: 6px; }

/* Content page */
.content { padding: 40px 0 64px; }
.prose h2 { margin-top: 28px; margin-bottom: 10px; }
.prose ul, .prose ol { padding-left: 20px; }

/* Contact */
.contact a {
  color: var(--bg); font-weight: 600;
}

/* Footer */
.site-footer {
  border-top: 1px solid #e5e7eb; background: #fafafa; color: #4b5563;
  padding: 20px 0; margin-top: 20px;
}

/* Responsive */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav { height: auto; padding: 12px 0; }
  .nav-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 32px; }
}