:root{--blue:#0b56c4;--blue2:#2aa5ea;--navy:#06285f;--ink:#10233f;--muted:#61718a;--soft:#f3f8ff;--white:#fff;--line:#dce8f5;--radius:24px;--shadow:0 18px 50px rgba(7,47,102,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}.narrow{width:min(850px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:10px;z-index:999}.skip-link:focus{left:8px}.site-header{position:fixed;inset:0 0 auto;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(11,86,196,.08)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.brand img{width:126px;height:64px;object-fit:contain}.main-nav{display:flex;align-items:center;gap:25px;font-weight:700;font-size:.95rem}.main-nav a:not(.btn):hover{color:var(--blue)}.lang-switch{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;cursor:pointer;font-weight:800;color:var(--blue)}.menu-toggle{display:none;background:transparent;border:0;padding:10px}.menu-toggle span{display:block;width:27px;height:2px;background:var(--navy);margin:6px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 22px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff!important;border:0;font-weight:800;box-shadow:0 10px 25px rgba(11,86,196,.24);transition:.2s transform,.2s box-shadow;cursor:pointer}.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,86,196,.32)}.btn-sm{min-height:42px;padding:9px 18px}.btn-ghost{background:rgba(8,34,75,.35);border:1px solid rgba(255,255,255,.55);box-shadow:none}.btn-light{background:#fff;color:var(--blue)!important;box-shadow:none}.btn-outline{background:#fff;color:var(--blue)!important;border:1px solid var(--line);box-shadow:none}.hero{min-height:760px;position:relative;display:flex;align-items:center;padding-top:78px;overflow:hidden}.hero-bg{position:absolute;inset:0;background:url('img/actividad-estudiantil.webp') center 42%/cover no-repeat;transform:scale(1.03)}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,29,72,.94) 0%,rgba(5,42,97,.79) 48%,rgba(5,42,97,.22) 100%),linear-gradient(0deg,rgba(2,28,67,.4),transparent 45%)}.hero-content{position:relative;color:#fff;padding-top:60px;padding-bottom:65px}.eyebrow{display:inline-block;font-size:.79rem;text-transform:uppercase;letter-spacing:.15em;font-weight:900;margin-bottom:14px;color:#d6eaff}.eyebrow.blue{color:var(--blue)}.hero h1{font-size:clamp(2.7rem,6vw,5.5rem);line-height:.98;letter-spacing:-.055em;max-width:830px;margin:0 0 25px}.hero> .container p,.hero-content>p{font-size:1.16rem;max-width:720px;color:#e7f0fb}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:800px;margin-top:55px;border-top:1px solid rgba(255,255,255,.28);padding-top:22px;gap:22px}.hero-points strong,.hero-points span{display:block}.hero-points strong{font-size:1rem}.hero-points span{font-size:.86rem;color:#d6e5f7}.section{padding:100px 0}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:75px;align-items:center}.section h2{font-size:clamp(2.1rem,4.3vw,4rem);line-height:1.05;letter-spacing:-.045em;margin:0 0 22px}.section p{color:var(--muted)}.values-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}.values-grid article{padding:22px;border:1px solid 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h3{font-size:1.32rem;margin:4px 0 8px}.program-card a,.text-link{font-weight:850;color:var(--blue)}.reason-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.reason-grid article{padding:27px;border:1px solid var(--line);border-radius:20px}.icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-weight:900;font-size:1.35rem}.reason-grid h3{margin:18px 0 6px}.reason-grid p{font-size:.94rem}.gallery-section{background:linear-gradient(145deg,var(--navy),#0b56c4)}.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:12px}.gallery-item{border:0;padding:0;background:transparent;border-radius:18px;overflow:hidden;cursor:zoom-in}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.35s transform}.gallery-item:hover img{transform:scale(1.04)}.gallery-item.tall{grid-row:span 2;grid-column:span 2}.video-grid{grid-template-columns:.85fr 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