:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.site-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.header-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.main-nav a {
  color: white;
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-weight: 500;
}

.main-nav a.active,
.main-nav a:hover {
  background: rgba(255,255,255,0.15);
}

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.alert {
  background: #ecfeff;
  border-left: 6px solid var(--primary);
  padding: 1.5rem;
  border-radius: 10px;
  margin: 2rem 0;
}

.alert-phone {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.site-footer {
  background: #0b3b3a;
  color: #d1fae5;
  margin-top: 3rem;
}

.site-footer p { margin: 0.3rem 0; }

@media print {
  .site-header, .main-nav, .site-footer { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .alert { box-shadow: none; border: 1px solid #000; }
}