/* ── RESET & BASE ── */
*{margin:0;padding:0;box-sizing:border-box}
:root{--ocean:#0077b6;--sea:#00b4d8;--foam:#caf0f8;--dark:#03045e;--text:#1a1a2e;--white:#fff}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Arial,sans-serif;color:var(--text);overflow-x:hidden}

/* ── NAVBAR ── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:14px 32px;background:rgba(3,4,94,.85);backdrop-filter:blur(8px);transition:.3s}
.logo{font-size:1.3rem;font-weight:900;color:var(--foam);letter-spacing:.05em}
.navbar ul{display:flex;gap:28px;list-style:none}
.navbar ul a{color:rgba(255,255,255,.8);text-decoration:none;font-size:.9rem;font-weight:500;transition:.2s}
.navbar ul a:hover{color:var(--foam)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.4rem;cursor:pointer}

/* ── HERO ── */
.hero{position:relative;height:100vh;min-height:500px;background:linear-gradient(160deg,#03045e 0%,#0077b6 50%,#00b4d8 100%);display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:20px}
.hero-pre{font-size:1rem;letter-spacing:.2em;color:var(--foam);opacity:.8;text-transform:uppercase;margin-bottom:8px}
.hero-content h1{font-size:clamp(3rem,10vw,7rem);font-weight:900;letter-spacing:.08em;text-shadow:0 4px 30px rgba(0,0,0,.4);line-height:1}
.hero-sub{margin-top:14px;font-size:1.1rem;color:rgba(255,255,255,.75);letter-spacing:.05em}
.btn-hero{display:inline-block;margin-top:30px;padding:14px 36px;background:var(--foam);color:var(--dark);border-radius:50px;font-weight:700;font-size:1rem;text-decoration:none;transition:.2s;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.btn-hero:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.3)}
.scroll-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.5);font-size:1.4rem;animation:bounce2 1.5s ease-in-out infinite}
@keyframes bounce2{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* OLAS ANIMADAS */
.waves-wrap{position:absolute;bottom:0;left:0;right:0;height:120px;overflow:hidden}
.wave{position:absolute;bottom:0;left:-100%;width:300%;height:100%;border-radius:40%;opacity:.4}
.wave1{background:rgba(202,240,248,.3);animation:wave 8s linear infinite}
.wave2{background:rgba(0,180,216,.25);animation:wave 12s linear infinite reverse;bottom:10px}
.wave3{background:rgba(0,119,182,.2);animation:wave 6s linear infinite;bottom:5px}
@keyframes wave{0%{transform:translateX(0) rotate(0)}100%{transform:translateX(33.33%) rotate(360deg)}}

/* ── SECTIONS ── */
.section{padding:80px 20px}
.section-dark{background:linear-gradient(135deg,#03045e,#023e8a);color:#fff}
.container{max-width:1100px;margin:0 auto}
.container-sm{max-width:700px;margin:0 auto}
.section-title{font-size:2rem;font-weight:800;margin-bottom:8px}
.section-title.light{color:#fff}
.section-sub{color:#666;margin-bottom:40px;font-size:1rem}
.section-sub.light{color:rgba(255,255,255,.65)}

/* ── TIENDA ── */
.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;margin-bottom:40px}
.product-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:.25s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,.14)}
.product-img{height:140px;display:flex;align-items:center;justify-content:center;font-size:3.5rem}
.product-info{padding:16px}
.product-info h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.product-info p{font-size:.85rem;color:#666;line-height:1.5;margin-bottom:12px}
.product-footer{display:flex;align-items:center;justify-content:space-between}
.price{font-size:1.2rem;font-weight:800;color:var(--ocean)}
.btn-buy{padding:7px 18px;background:var(--ocean);color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:.85rem;font-weight:600;transition:.2s}
.btn-buy:hover{background:var(--dark)}

.cart{background:var(--foam);border-radius:14px;padding:24px;margin-top:10px}
.cart h3{margin-bottom:12px;font-size:1.1rem}
.cart ul{list-style:none;margin-bottom:12px}
.cart ul li{padding:6px 0;border-bottom:1px solid rgba(0,0,0,.08);font-size:.9rem}
.cart-total{font-size:1rem;margin-bottom:14px}
.btn-cart{display:inline-block;padding:10px 24px;background:var(--ocean);color:#fff;border-radius:20px;text-decoration:none;font-weight:600;font-size:.9rem}

/* ── GALERÍA ── */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.gallery-item{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:4/3;cursor:pointer}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.3s}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-overlay{position:absolute;inset:0;background:rgba(0,0,0,.3);display:flex;align-items:center;justify-content:center;font-size:2rem;opacity:0;transition:.2s}
.gallery-item:hover .gallery-overlay{opacity:1}
.gallery-empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:rgba(255,255,255,.6);font-size:1.1rem;border:2px dashed rgba(255,255,255,.2);border-radius:12px}

/* ── CONTACTO ── */
.contact-form{background:#f8fafc;border-radius:16px;padding:32px;box-shadow:0 2px 20px rgba(0,0,0,.06)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.form-group label{font-size:.85rem;font-weight:600;color:#444}
.form-group input,.form-group textarea{padding:12px 14px;border:1.5px solid #dde;border-radius:8px;font-size:.95rem;font-family:inherit;transition:.2s;outline:none;resize:vertical}
.form-group input:focus,.form-group textarea:focus{border-color:var(--ocean);box-shadow:0 0 0 3px rgba(0,119,182,.1)}
.btn-submit{width:100%;padding:14px;background:linear-gradient(135deg,var(--ocean),var(--sea));color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:.2s}
.btn-submit:hover{transform:translateY(-1px);box-shadow:0 4px 15px rgba(0,119,182,.4)}
.alert-ok{background:#d1fae5;color:#065f46;padding:14px 18px;border-radius:8px;margin-bottom:20px;font-weight:500}

/* ── FOOTER ── */
.footer{background:var(--dark);color:rgba(255,255,255,.6);text-align:center;padding:40px 20px 30px;position:relative;overflow:hidden}
.footer-waves{position:absolute;top:0;left:0;right:0;height:50px;overflow:hidden;opacity:.3}
.footer p{position:relative;z-index:1;font-size:.9rem}

/* ── LIGHTBOX ── */
#lightbox{display:none;position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.9);align-items:center;justify-content:center;cursor:zoom-out}
#lightbox.open{display:flex}
#lightbox-img{max-width:90vw;max-height:90vh;border-radius:8px;box-shadow:0 10px 60px rgba(0,0,0,.5)}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .navbar{padding:12px 20px}
  .navbar ul{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:rgba(3,4,94,.97);padding:10px 0}
  .navbar ul.open{display:flex}
  .navbar ul li a{display:block;padding:12px 24px}
  .nav-toggle{display:block}
  .form-row{grid-template-columns:1fr}
  .shop-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .section{padding:60px 16px}
}