:root {
  --bg:#0b1220; 
  --card:#0f172a; 
  --muted:#1e293b; 
  --accent:#22d3ee; 
  --accent-2:#38bdf8; 
  --text:#e2e8f0; 
  --text-dim:#94a3b8; 
  --ok:#10b981; 
  --warn:#f59e0b; 
  --err:#ef4444;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(180deg,#07101f 0%,#0b1220 60%,#0a0f1a 100%);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji";
  overflow-x:hidden;
}

/* ==== BURBUJAS FLOTANTES ==== */
body::before, body::after {
  content:"";
  position:fixed;
  width:300px;
  height:300px;
  background:radial-gradient(circle,rgba(56,189,248,0.2) 0%,transparent 70%);
  border-radius:50%;
  animation:float 18s infinite linear;
  z-index:0;
}
body::before {
  top:-120px; left:-120px;
  animation-delay:0s;
}
body::after {
  bottom:-120px; right:-120px;
  animation-delay:9s;
}

@keyframes float {
  0% { transform:translateY(0) scale(1); opacity:.6; }
  50% { transform:translateY(-80px) scale(1.2); opacity:.3; }
  100% { transform:translateY(0) scale(1); opacity:.6; }
}

/* burbujas pequeñas */
.hero::before, .hero::after {
  content:"";
  position:absolute;
  border-radius:50%;
  background:rgba(34,211,238,0.25);
  z-index:1;
}
.hero::before {
  width:60px; height:60px;
  top:15%; left:25%;
  animation:bubble 12s infinite ease-in-out;
}
.hero::after {
  width:40px; height:40px;
  bottom:20%; right:15%;
  animation:bubble 16s infinite ease-in-out;
}
@keyframes bubble {
  0% { transform:translateY(0) scale(1); opacity:.7; }
  50% { transform:translateY(-120px) scale(1.3); opacity:.3; }
  100% { transform:translateY(0) scale(1); opacity:.7; }
}

/* ==== HEADER ==== */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,.7);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.5px}
.logo{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:radial-gradient(circle at 30% 30%,var(--accent),var(--accent-2));
  box-shadow:0 10px 25px rgba(56,189,248,.25);
}
nav ul{display:flex;gap:18px;list-style:none;padding:0;margin:0}
nav a{padding:8px 12px;border-radius:10px;color:var(--text-dim)}
nav a:hover,nav a:focus{background:rgba(255,255,255,.06);color:var(--text)}
.cta{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:12px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  color:#001018;font-weight:700;
  box-shadow:0 10px 20px rgba(56,189,248,.25);
}

/* ==== HERO ==== */
.hero{position:relative;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;padding:64px 0;position:relative;z-index:2}
.badge{display:inline-flex;gap:8px;align-items:center;padding:6px 10px;border:1px solid rgba(255,255,255,.12);border-radius:999px;color:var(--text-dim);font-size:12px}
.h1{font-size:46px;line-height:1.05;margin:14px 0 14px}
.lead{color:var(--text-dim);font-size:18px}

/* ==== CARDS ==== */
.hero-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;padding:18px
}
.card h4{margin:0 0 6px}

/* ==== ESTADÍSTICAS ==== */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:14px;text-align:center}
.stat .num{font-size:24px;font-weight:800}

/* ==== SECCIONES ==== */
section{padding:56px 0}
.section-h{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}
.section-h h2{margin:0;font-size:28px}
.pill{font-size:12px;color:var(--text-dim)}

/* ==== SERVICIOS ==== */
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.service{position:relative;overflow:hidden}
.service .price{position:absolute;top:12px;right:12px;background:rgba(0,0,0,.5);padding:6px 10px;border-radius:999px;font-weight:700}
.chip{display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(255,255,255,.1);padding:6px 10px;border-radius:999px;color:var(--text-dim);font-size:12px}

/* ==== PRECIOS ==== */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{background:linear-gradient(180deg,rgba(34,211,238,.08),rgba(255,255,255,.03));border:1px solid rgba(56,189,248,.25);border-radius:18px;padding:22px;position:relative}
.price-card.popular{box-shadow:0 20px 50px rgba(56,189,248,.18)}
.price-card h3{margin:0 0 6px}
.price-tag{font-size:34px;font-weight:900}
.features{margin:10px 0 16px;padding:0 0 0 20px;color:var(--text-dim)}

/* ==== RESERVA ==== */
.booking{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
form{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px}
label{display:block;margin:10px 0 6px;color:var(--text-dim);font-size:14px}
input,select,textarea{
  width:100%;padding:12px 12px;
  border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);color:var(--text)
}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.addons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 6px}
.addons label{display:flex;align-items:center;gap:8px;margin:0;background:rgba(255,255,255,.03);padding:10px;border:1px solid rgba(255,255,255,.08);border-radius:12px}
.total{display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding:12px;border:1px dashed rgba(255,255,255,.18);border-radius:12px}

/* ==== GALERÍA ==== */
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}
.gallery img{border-radius:14px;height:100%;object-fit:cover}

/* ==== FOOTER ==== */
footer{border-top:1px solid rgba(255,255,255,.06);padding:28px 0;color:var(--text-dim)}

/* ==== RESPONSIVE ==== */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr 1fr}
  .booking{grid-template-columns:1fr}
  .testis{grid-template-columns:1fr 1fr}
  .grid.cols-3{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .h1{font-size:34px}
  .pricing{grid-template-columns:1fr}
  .testis{grid-template-columns:1fr}
  nav ul{display:none}
  .grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .addons{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
}