/* ===== Reset & Base ===== */
*{box-sizing:border-box}
:root{
  --brand-blue:#0b3a6e;
  --brand-yellow:#ffe100;
  --brand-light:#f5f8ff;
  --ink:#0f172a;
  --muted:#475569;
  --accent:#ff3b3b;
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;color:var(--ink);scroll-behavior:smooth}
img{max-width:100%;display:block}
a{color:var(--brand-blue);text-decoration:none}
.container{width:min(1120px,92vw);margin:0 auto}
.btn{display:inline-flex;gap:.6rem;align-items:center;border-radius:999px;padding:.9rem 1.2rem;font-weight:700;transition:.25s;box-shadow:var(--shadow)}
.btn.primary{background:var(--brand-blue);color:#fff}
.btn.outline{border:2px solid var(--brand-blue);color:var(--brand-blue);background:#fff}
.btn:hover{transform:translateY(-2px)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e2e8f0;backdrop-filter:saturate(1.2) blur(6px)}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;}
.brand{display:flex;align-items:center;gap:1rem}
.logo{width:52px;height:52px;border-radius:14px;box-shadow:var(--shadow)}
.brand-text h1{font-size:clamp(1.1rem,2.1vw,1.6rem);margin:.1rem 0}
.brand-text p{margin:0;color:var(--muted);font-weight:600}
.main-nav{display:flex;gap:1rem;flex-wrap:wrap}
.main-nav a{padding:.5rem .8rem;border-radius:10px}
.main-nav a:hover{background:var(--brand-light)}

/* ===== Hero ===== */
.hero{position:relative;min-height:68vh;display:grid;place-items:center;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(11,58,110,.6),rgba(11,58,110,.6)),url('assets/hero_portada.jpg');background-size:cover;background-position:center;z-index:-1}
.hero .hero-content{color:#fff;text-align:center;padding:5rem 0}
.hero .big{font-size:clamp(1.8rem,5vw,3rem);margin:0 0 .6rem}
.cta-row{display:flex;gap:.8rem;justify-content:center;margin-top:.8rem}

/* ===== Sections ===== */
.section{padding:3.5rem 0}
.section.alt{background:var(--brand-light)}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.2rem}
.card{background:#fff;border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow)}

.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.6rem;margin-top:1rem}
.gimg{border-radius:16px;cursor:zoom-in;filter:saturate(105%);transition:.25s}
.gimg:hover{transform:scale(1.02)}

.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.86);display:none;align-items:center;justify-content:center;padding:2rem;z-index:100}
.lightbox img{max-width:min(1100px,92vw);max-height:84vh;border-radius:16px;box-shadow:var(--shadow)}
.lightbox .close{position:absolute;top:16px;right:18px;border:0;background:#fff;width:40px;height:40px;border-radius:50%;font-size:26px;cursor:pointer}

.video-wrap{position:relative;width:100%;padding-top:56.25%;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%}

.social-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:1rem}
.social-card{background:#fff;border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}
.fb-wrap iframe,.ig-wrap iframe{width:100%;height:600px;border-radius:12px}
@media (max-width:600px){
  .fb-wrap iframe,.ig-wrap iframe{height:500px}
}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:1.2rem;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info .map-wrap{margin-top:.6rem;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.contact-info .map-wrap iframe{width:100%;height:300px;border:0}
.contact-form{background:#fff;border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);display:grid;gap:.6rem}
.contact-form input,.contact-form textarea{width:100%;padding:.8rem;border:1px solid #cbd5e1;border-radius:12px;font:inherit}
.contact-form button{justify-self:start}

/* ===== Footer & WhatsApp ===== */
.footer{padding:2rem 0;background:#0b3a6e;color:#fff}
.footer a{color:#fff;text-decoration:underline}
.footer-inner{display:flex;gap:1rem;justify-content:space-between;flex-wrap:wrap}

.wa-float{position:fixed;right:18px;bottom:18px;background:#25D366;border-radius:50%;width:58px;height:58px;display:grid;place-items:center;box-shadow:var(--shadow);z-index:60}
.wa-float:hover{transform:translateY(-2px)}

/* ===== Animations ===== */
.fade{opacity:0;transform:translateY(14px);animation:fadeIn .8s ease forwards;animation-delay:.1s}
.fade:nth-child(2){animation-delay:.25s}
.fade:nth-child(3){animation-delay:.4s}
@keyframes fadeIn{to{opacity:1;transform:none}}