:root {
  --primary: #1e1e1b;
  --secondary: #6b4f3a;
  --bg: #f5f1ea;
  --text: #1c1b1b;
  --muted: #6f6a62;
  --card: #ffffff;
  --border: #ddd5c7;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 241, 234, 0.95); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap { display: flex; align-items: center; gap: 1rem; min-height: 74px; }
.logo { font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.main-nav { margin-left: auto; display: flex; gap: 1rem; }
.main-nav a { padding: .2rem .1rem; color: var(--muted); }
.main-nav a.active { color: var(--primary); border-bottom: 2px solid var(--primary); }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); padding: .4rem .8rem; }

.btn, button {
  background: var(--primary);
  color: #fff;
  border: 0;
  padding: .75rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}
.btn-secondary { background: var(--secondary); }
.btn-light { background: #fff; color: var(--primary); }
.btn-outline-light { border: 1px solid #fff; background: transparent; color: #fff; }
.btn-sm { padding: .5rem .75rem; font-size: .9rem; }
.btn-whatsapp, .floating-whatsapp { background: #25d366; color: #fff; padding: .65rem .95rem; border-radius: 999px; font-weight: 700; }

.hero { position: relative; min-height: 72vh; display: grid; place-items: center; overflow: hidden; }
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: rgba(30, 30, 27, 0.55); }
.hero-content { position: relative; color: #fff; text-align: center; max-width: 820px; }
.hero-content h1 { font-size: clamp(1.8rem, 4vw, 3rem); margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.1rem; }
.hero-actions a, .hero-actions button { display: inline-block; }

.section { padding: 3rem 0; }
.section-muted { background: #eee7dc; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.card img { width: 100%; height: 220px; object-fit: cover; display: block; }
.card-body { padding: 1rem; display: grid; gap: .45rem; }
.card-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .4rem; }

.chips { display: flex; gap: .5rem; flex-wrap: wrap; }
.chips span { border: 1px solid var(--border); background: #fff; padding: .4rem .7rem; border-radius: 999px; font-size: .92rem; }

.reviews { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.review-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }

.cta-box { background: var(--primary); color: #fff; padding: 2rem; border-radius: 12px; }

.filters { display: grid; grid-template-columns: 1fr 220px; gap: .6rem; margin: 1rem 0 1.2rem; }
input, select, textarea {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: .7rem;
  width: 100%;
}

.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.product-main-image { width: 100%; height: 460px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.thumbs { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: .5rem; margin-top: .5rem; }
.thumbs img { width: 100%; height: 90px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); cursor: pointer; }
.back-link { display: inline-block; margin-bottom: .8rem; color: var(--secondary); font-weight: 700; }

.application-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .8rem; }
.application-list article { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: .9rem; }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.gallery-grid figure { margin: 0; background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.gallery-grid img { width: 100%; height: 220px; object-fit: cover; cursor: zoom-in; }
.gallery-grid figcaption { padding: .6rem .8rem; color: var(--muted); font-size: .9rem; }

.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-box, .map-box { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }
.form-box { display: grid; gap: .7rem; }
.check { display: flex; gap: .5rem; align-items: center; font-size: .92rem; }
.check input { width: auto; }
.map-box iframe { width: 100%; height: 320px; border: 0; border-radius: 8px; margin-bottom: .7rem; }
.alert-success { background: #dcfce7; color: #166534; padding: .6rem .8rem; border-radius: 6px; }
.alert-error { background: #fee2e2; color: #991b1b; padding: .6rem .8rem; border-radius: 6px; }

.site-footer { background: #131311; color: #e5dfd4; margin-top: 2rem; padding-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1rem; }
.footer-grid h4, .footer-grid h3 { margin-top: 0; }
.footer-grid a { display: block; color: #c9c3ba; margin-bottom: .3rem; }
.footer-bottom { border-top: 1px solid #2f2f2d; margin-top: 1rem; padding: 1rem 0; display: flex; justify-content: space-between; gap: 1rem; }

.floating-whatsapp {
  position: fixed; right: 18px; bottom: 18px; z-index: 100;
}

.modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.86);
  display: none; align-items: center; justify-content: center; z-index: 150;
}
.modal img { max-width: min(1100px, 95vw); max-height: 88vh; }
.modal.show { display: flex; }
.modal-close { position: absolute; top: 16px; right: 18px; font-size: 2rem; background: transparent; border: 0; color: #fff; }

.admin-login-body { display: grid; min-height: 100vh; place-items: center; }
.admin-login { width: min(420px, 92%); background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }
.admin-body { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar { background: #171714; color: #ddd6cb; padding: 1rem; display: grid; gap: .5rem; align-content: start; }
.admin-sidebar a { padding: .55rem .65rem; border-radius: 8px; color: #cfc8be; }
.admin-sidebar a.active, .admin-sidebar a:hover { background: #2a2824; color: #fff; }
.admin-content { padding: 1rem; overflow-x: auto; }
.admin-cards { display: grid; grid-template-columns: repeat(3, minmax(170px, 1fr)); gap: .8rem; }
.admin-cards article { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: .9rem; display: grid; gap: .3rem; }
.admin-cards strong { font-size: 1.8rem; }
.admin-form { display: grid; gap: .7rem; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.admin-table th, .admin-table td { border-bottom: 1px solid #efe8dc; padding: .6rem; text-align: left; font-size: .92rem; vertical-align: top; }
.admin-table .actions { display: flex; gap: .55rem; align-items: center; }
.admin-table .actions form { display: inline; }
.admin-table .actions button { background: #b91c1c; padding: .35rem .6rem; border-radius: 6px; }

@media (max-width: 900px) {
  .main-nav { display: none; width: 100%; order: 4; margin: .5rem 0 0; flex-direction: column; background: #f6f1e7; padding: .8rem; border: 1px solid var(--border); border-radius: 8px; }
  .main-nav.show { display: flex; }
  .menu-toggle { display: inline-block; margin-left: auto; }
  .btn-whatsapp { display: none; }
  .nav-wrap { flex-wrap: wrap; padding: .5rem 0; }
  .product-layout, .contact-layout, .filters, .footer-grid, .admin-body, .admin-cards { grid-template-columns: 1fr; }
  .product-main-image { height: 300px; }
}