/* I.E.P. Einstein School — colores originales del sitio: azul #1643a5, marino #102136, gris claro #F3F5F7, morado #7456f1 (hover) + dorado del escudo */
:root{
  --blue:#1643a5; --navy:#102136; --light:#f3f5f7; --purple:#7456f1; --gold:#c9a227; --red:#d62f2f;
  --ink:#102136; --text:#4d5d6d; --line:#e2e7ee; --white:#fff; --wa:#25d366;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--white);color:var(--text);font-family:"Inter",system-ui,sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:"Plus Jakarta Sans","Inter",sans-serif;color:var(--navy);line-height:1.12;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(40px,6vw,72px)}
h2{font-size:clamp(32px,4.2vw,50px)}
h3{font-size:22px}
.over{display:inline-block;color:var(--blue);font-weight:800;font-size:13.5px;letter-spacing:.18em;text-transform:uppercase}
.over.gold{color:var(--gold)}
.lead{font-size:19px;max-width:660px}
section{padding:96px 0}
.head{max-width:760px;margin-bottom:50px}
.head h2{margin:12px 0 14px}
.center{text-align:center;margin-left:auto;margin-right:auto}

.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:10px;font-weight:700;font-size:16px;border:0;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:20px;height:20px}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:#dbb43a}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--purple)}
.btn-glass{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-wa{background:var(--wa);color:#063a1a}
.btns{display:flex;flex-wrap:wrap;gap:14px}

/* Cabecera */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:54px;width:auto}
.brand .t{font-family:"Graduate",serif;color:var(--blue);line-height:1.02;text-transform:uppercase}
.brand .t small{display:block;font-size:12px;letter-spacing:.24em}
.brand .t b{display:block;font-size:24px;font-weight:400}
.nav{display:flex;gap:30px;font-weight:600;font-size:15.5px;color:var(--navy)}
.nav a:hover{color:var(--purple)}
.top .btn{padding:11px 20px;font-size:14.5px}
.burger{display:none;background:none;border:0;color:var(--navy);width:44px;height:44px}
.burger svg{width:30px;height:30px}

/* Hero */
.hero{position:relative;background:var(--navy);color:#fff;padding:120px 0 190px;overflow:hidden;text-align:center}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;opacity:.45}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(16,33,54,.35) 0%,rgba(16,33,54,.85) 75%),linear-gradient(0deg,rgba(22,67,165,.55),transparent 60%)}
.hero .wrap{position:relative;z-index:1}
.hero .seal{height:150px;width:auto;margin:0 auto 22px;filter:drop-shadow(0 14px 30px rgba(0,0,0,.45))}
.hero h1{color:#fff;max-width:900px;margin:12px auto 18px}
.hero h1 span{color:var(--gold)}
.hero .lead{color:#d6def0;margin:0 auto 34px}
.hero .btns{justify-content:center}

/* Pilares sobre el hero */
.pillars{position:relative;z-index:2;margin-top:-120px}
.pillars .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillar{background:#fff;border-radius:14px;padding:38px 32px;box-shadow:0 20px 60px rgba(16,33,54,.14);transition:background .25s,transform .25s}
.pillar .ic{width:58px;height:58px;border-radius:14px;background:var(--light);display:grid;place-items:center;font-size:28px;margin-bottom:20px;transition:background .25s}
.pillar h3{margin-bottom:10px;transition:color .25s}
.pillar p{transition:color .25s}
.pillar:hover{background:var(--purple);transform:translateY(-6px)}
.pillar:hover h3,.pillar:hover p{color:#fff}
.pillar:hover .ic{background:rgba(255,255,255,.18)}

/* Nosotros */
.about{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about .mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:200px 200px 140px;gap:14px}
.about .mosaic img{width:100%;height:100%;object-fit:cover;border-radius:14px}
.about .mosaic .t{grid-row:span 2}
.about .mosaic .w{grid-column:span 2}
.about h2{margin:12px 0 20px}
.about p{margin-bottom:16px}
.checks{list-style:none;display:grid;gap:12px;margin-top:22px}
.checks li{display:flex;gap:12px;color:var(--navy);font-weight:600}
.checks li::before{content:"✓";flex:none;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800}

/* Momentos destacados */
.moments{background:var(--light)}
.mgrid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:260px;gap:18px}
.moment{position:relative;border-radius:16px;overflow:hidden;color:#fff}
.moment img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.moment:hover img{transform:scale(1.05)}
.moment::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,33,54,.9) 0%,rgba(16,33,54,.15) 55%)}
.moment .in{position:absolute;left:22px;right:22px;bottom:20px;z-index:1}
.moment b{display:block;font-family:"Plus Jakarta Sans";font-size:21px;line-height:1.2}
.moment span{font-size:14px;color:#cfd8ee}
.moment.big{grid-column:span 2;grid-row:span 2}
.moment.big b{font-size:30px}
.moment.wide{grid-column:span 2}

/* Galería */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filters button{border:1.5px solid var(--line);background:#fff;color:var(--navy);font:inherit;font-weight:600;font-size:15px;padding:8px 18px;border-radius:8px;cursor:pointer}
.filters button.on,.filters button:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:12px}
.gallery figure{position:relative;border-radius:12px;overflow:hidden;cursor:zoom-in;background:#dfe5ee}
.gallery figure.tall{grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:10px;bottom:10px;background:rgba(16,33,54,.82);color:#fff;font-weight:600;font-size:13px;padding:4px 11px;border-radius:6px}
.gallery figure.hide{display:none}

/* Llamado */
.cta{background:linear-gradient(120deg,var(--navy) 0%,var(--blue) 100%);border-radius:20px;padding:60px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#fff;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;bottom:-90px;width:300px;height:300px;background:url(/img/escudo.png) center/contain no-repeat;opacity:.12;transform:rotate(-10deg)}
.cta h2{color:#fff;font-size:clamp(28px,3.6vw,42px)}
.cta p{color:#d6def0;margin-top:10px}
.cta .btns{position:relative;z-index:1;flex:none}

/* Contacto */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch}
.contact>*{min-width:0}
.cards{display:grid;gap:14px}
.ccard{display:flex;gap:16px;align-items:flex-start;background:var(--light);border-radius:14px;padding:20px 22px;transition:background .2s}
.ccard:hover{background:#e8ecf6}
.ccard .ic{width:48px;height:48px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:22px;flex:none}
.ccard small{display:block;font-weight:700;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.ccard b{color:var(--navy);font-size:17px;display:block}
.map{border-radius:16px;overflow:hidden;min-height:440px;background:var(--light)}
.map iframe{width:100%;height:100%;min-height:440px;border:0;display:block}
.social{display:flex;gap:10px;flex-wrap:wrap}
.social a{border:1.5px solid var(--line);border-radius:8px;padding:9px 16px;font-weight:600;color:var(--navy)}
.social a:hover{border-color:var(--purple);color:var(--purple)}

/* Pie */
footer{background:var(--navy);color:#b9c5dc;padding:56px 0 28px;margin-top:60px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
footer .brand .t{color:#fff}
footer h4{color:#fff;font-size:14px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:8px}
footer a:hover{color:#fff}
footer .legal{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;font-size:14px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* Visor */
.lb{position:fixed;inset:0;background:rgba(10,20,36,.95);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex}
.lb img{max-width:min(1200px,96vw);max-height:84vh;border-radius:10px}
.lb p{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:#fff;font-weight:600}
.lb button{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;width:52px;height:52px;border-radius:50%;font-size:26px;cursor:pointer}
.lb .x{top:20px;right:20px}.lb .prev{left:20px}.lb .next{right:20px}
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:62px;height:62px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.wa-float svg{width:34px;height:34px;color:#fff}

/* Aviso */
.doc{max-width:820px}
.doc h2{font-size:24px;margin:30px 0 10px}
.doc p{margin-bottom:12px}

@media (max-width:1024px){
  .mgrid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .nav,.top .btn{display:none}
  .burger{display:block}
  .nav.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:6px 24px 18px;font-size:17px}
  .nav.open a{padding:14px 0;border-bottom:1px solid var(--line)}
  section{padding:70px 0}
  .hero{padding:80px 0 160px}
  .hero .seal{height:110px}
  .pillars .grid,.about,.contact,footer .cols{grid-template-columns:1fr}
  .about{gap:40px}
  .cta{flex-direction:column;align-items:flex-start;padding:40px 28px}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .brand .t b{font-size:19px}
  .brand img{height:46px}
  .mgrid{grid-template-columns:1fr;grid-auto-rows:220px}
  .moment.big,.moment.wide{grid-column:span 1;grid-row:span 1}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px;gap:8px}
  .about .mosaic{grid-template-rows:150px 150px 110px}
  .btns .btn{width:100%;justify-content:center}
}