:root {
  --teal: #0A6E6E;
  --teal-dark: #085555;
  --gold: #D4AF37;
  --gray: #f5f7f7;
  --text: #222;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: var(--text); line-height: 1.7; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.08); position: sticky; top: 0; z-index: 1000; }
.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--teal); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--gold); }
nav { display: flex; align-items: center; }
nav a { margin-left: 22px; text-decoration: none; color: var(--text); font-weight: 500; }
nav a:hover { color: var(--teal); }
.menu-toggle { display: none; background: none; border: none; font-size: 1.8rem; cursor: pointer; color: var(--teal); padding: 5px 10px; }
.hero { background: linear-gradient(135deg, rgba(10,110,110,0.92), rgba(13,138,138,0.85)), url('https://images.unsplash.com/photo-1586773860418-d37222d8fce3?w=1200') center/cover no-repeat; color: white; padding: 110px 20px 90px; text-align: center; }
.hero h1 { font-size: 2.7rem; margin-bottom: 12px; text-shadow: 0 2px 8px rgba(0,0,0,.3); }
.hero p { font-size: 1.15rem; max-width: 680px; margin: 0 auto 28px; }
.page-banner { background: linear-gradient(135deg, rgba(10,110,110,0.9), rgba(13,138,138,0.8)), url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?w=1200') center/cover no-repeat; color: white; padding: 70px 20px 50px; text-align: center; }
.page-banner h1 { font-size: 2.2rem; margin: 0; }
.btn { display: inline-block; background: var(--gold); color: #000; padding: 13px 26px; border-radius: 6px; text-decoration: none; font-weight: 600; margin: 5px; }
.btn-outline { background: transparent; border: 2px solid white; color: white; }
.section { padding: 60px 0; }
.section-title { text-align: center; font-size: 2rem; color: var(--teal); margin-bottom: 35px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.card { background: white; padding: 22px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,.06); }
.card h3 { color: var(--teal); margin-bottom: 10px; }
footer { background: #0A4A4A; color: white; padding: 35px 0 18px; text-align: center; }
footer a { color: var(--gold); }
.whatsapp-float {
  position: fixed; left: 18px; bottom: 25px; z-index: 999;
  background: #25D366; color: white; padding: 11px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 600; box-shadow: 0 4px 15px rgba(0,0,0,.2);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
form input, form textarea { width: 100%; padding: 12px; margin: 8px 0; border: 1px solid #ddd; border-radius: 6px; }
form button { background: var(--teal); color: white; border: none; padding: 13px 28px; border-radius: 6px; cursor: pointer; }

@media (max-width: 768px) {
  .hero h1 { font-size: 1.9rem; }
  .page-banner h1 { font-size: 1.6rem; }
  .menu-toggle { display: block; }
  nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 15px 20px; box-shadow: 0 8px 20px rgba(0,0,0,.12); }
  nav.active { display: flex; }
  nav a { margin: 8px 0; font-size: 1.05rem; }
  .whatsapp-float { left: 10px; bottom: 15px; font-size: 0.85rem; }
}