/* Biofragua Spa — layout inspirado en webs de hotel-spa (sin copiar contenido) */

:root{
  --bg: #f5f2ec;
  --paper: #ffffff;
  --ink: #171614;
  --muted: #5d5a55;
  --line: #e4dfd6;
  --gold: #b08a3c;
  --gold2:#8f6f2f;
  --shadow: 0 18px 45px rgba(20,18,16,.12);
  --radius: 22px;
  --max: 1200px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(900px 420px at 20% 0%, rgba(176,138,60,.10), transparent 55%),
              radial-gradient(800px 420px at 80% 10%, rgba(176,138,60,.07), transparent 60%),
              var(--bg);
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.9}

.container{max-width:var(--max); margin:0 auto; padding:18px 18px 48px}
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  font-weight:900; letter-spacing:.5px;
  display:flex; align-items:center; gap:10px;
}
.brand .dot{width:10px;height:10px;border-radius:99px;background:var(--gold)}
.nav{
  display:flex; gap:10px; flex-wrap:wrap;
}
.pill{
  font-size:13px;
  padding:9px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(8px);
}

.hero{
  border-radius: calc(var(--radius) + 10px);
  overflow:hidden;
  box-shadow: var(--shadow);
  border:1px solid var(--line);
  background: #ddd;
  position:relative;
  min-height: 520px;
}
.hero .media{
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(0,0,0,.55), rgba(0,0,0,.18)),
              url('https://images.unsplash.com/photo-1544161515-4ab6ce6db874?auto=format&fit=crop&w=2200&q=80') center/cover;
  transform: scale(1.02);
}
.hero .content{
  position:relative;
  padding:46px 28px;
  max-width: 680px;
  color: #fff;
}
.breadcrumbs{
  font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  opacity:.85;
}
.h1{
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.03;
  margin: 12px 0 10px;
  font-family: ui-serif, Georgia, 'Times New Roman', serif;
}
.lead{
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,.88);
  margin:0 0 18px;
}
.ctaRow{display:flex; gap:12px; flex-wrap:wrap; margin-top:10px}
.btn{
  padding: 12px 16px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.12);
  color:#fff;
  font-weight:800;
  letter-spacing:.2px;
  cursor:pointer;
  transition: transform .16s ease, background .16s ease;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.18)}
.btn.primary{
  background: var(--gold);
  border-color: var(--gold);
  color: #1a1713;
}
.btn.primary:hover{background: var(--gold2); border-color: var(--gold2)}

.subnav{
  position: sticky;
  top: 0;
  z-index: 50;
  margin-top: -18px;
  padding: 12px 0;
  background: rgba(245,242,236,.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(228,223,214,.8);
}
.subnav .wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  display:flex; gap:10px; overflow:auto;
}
.tab{
  white-space: nowrap;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.8);
  font-size: 13px;
  cursor:pointer;
}
.tab.active{
  border-color: rgba(176,138,60,.6);
  box-shadow: 0 10px 22px rgba(176,138,60,.12);
}

.section{margin-top: 28px}
.grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 18px;
}
@media (max-width: 980px){ .grid{grid-template-columns:1fr} }

.card{
  background: var(--paper);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card h2{
  margin:0 0 10px;
  font-family: ui-serif, Georgia, 'Times New Roman', serif;
  font-size: 28px;
}
.card p{margin:0; color:var(--muted); line-height:1.7}

.kpis{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 980px){ .kpis{grid-template-columns:1fr} }
.kpi{
  border:1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background: #fbfaf7;
}
.kpi b{display:block; font-size:18px}
.kpi span{color:var(--muted); font-size:13px}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: center;
}
@media (max-width: 980px){ .split{grid-template-columns:1fr} }
.figure{
  border-radius: var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  background:#eee;
}
.figure img{width:100%; height: 420px; object-fit:cover; display:block}
@media (max-width: 980px){ .figure img{height: 280px} }

.list{
  display:grid; gap: 10px;
}
.item{
  border:1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background:#fff;
}
.item h3{margin:0 0 6px; font-size:16px}
.item p{margin:0; color:var(--muted); line-height:1.6}
.badge{
  display:inline-block;
  margin-top:10px;
  font-size:12px;
  color: var(--gold2);
  border:1px solid rgba(176,138,60,.35);
  padding:6px 10px;
  border-radius:999px;
  background: rgba(176,138,60,.06);
}

.msg{
  padding:12px 14px;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
}
.msg.ok{border-color: rgba(34,197,94,.30)}
.msg.err{border-color: rgba(239,68,68,.30)}

.form{display:grid; gap:12px}
.input, select, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 16px;
  border:1px solid var(--line);
  background:#fff;
  outline:none;
}
.input:focus, select:focus, textarea:focus{
  border-color: rgba(176,138,60,.6);
  box-shadow: 0 0 0 6px rgba(176,138,60,.14);
}
.small{font-size:12px; color:var(--muted)}

.footer{
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* Swiper */
.swiper{border-radius: var(--radius); overflow:hidden; border:1px solid var(--line); box-shadow: var(--shadow)}
.swiper-slide img{width:100%; height: 420px; object-fit:cover; display:block}
@media (max-width: 980px){ .swiper-slide img{height: 280px} }

/* Gallery */
.gallery{
  display:grid; grid-template-columns: repeat(4, 1fr); gap:10px;
}
@media (max-width: 980px){ .gallery{grid-template-columns: repeat(2, 1fr);} }
.gitem{
  position:relative; overflow:hidden; border-radius: 18px;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  cursor:pointer;
  background:#eee;
}
.gitem img{
  width:100%; height: 180px; object-fit:cover; display:block;
  transition: transform .25s ease;
}
.gitem:hover img{transform: scale(1.06)}

/* Lightbox */
#lightbox{position:fixed; inset:0; background:rgba(0,0,0,.78); display:none; align-items:center; justify-content:center; padding:24px; z-index:9999;}
#lightbox img{max-width:min(1100px, 96vw); max-height:86vh; border-radius: 18px; box-shadow: 0 30px 70px rgba(0,0,0,.55);}
#lightbox .close{position:fixed; top:14px; right:14px; background:rgba(255,255,255,.12); color:#fff; border:1px solid rgba(255,255,255,.18); padding:10px 12px; border-radius: 14px; cursor:pointer;}

/* WhatsApp */
.whatsapp{
  position:fixed; right:16px; bottom:16px;
  padding:12px 14px;
  border-radius:999px;
  background:#25D366;
  color:#083318;
  font-weight:900;
  box-shadow: 0 20px 40px rgba(0,0,0,.18);
  z-index:9998;
}