:root{--navy:#0b2d48;--blue:#123b72;--green:#123d32;--red:#8b1e1e;--ink:#13202b;--muted:#637381;--bg:#f4f7fb;--white:#fff;--shadow:0 24px 70px rgba(9,31,55,.18);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}img{max-width:100%;display:block}a{color:inherit}.wrap{width:min(1160px,92vw);margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(11,45,72,.08)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{width:56px;height:56px;object-fit:contain;border-radius:12px;background:#fff}.brand strong{display:block;color:var(--navy);font-size:1rem}.brand small{display:block;color:var(--muted);font-size:.75rem}.menu{display:flex;align-items:center;gap:18px}.menu a{text-decoration:none;color:var(--navy);font-weight:700;font-size:.94rem}.menu a:hover{color:var(--red)}.menu-toggle{display:none;border:0;background:var(--navy);color:#fff;border-radius:12px;padding:9px 13px;font-size:1.35rem}.lang{border:1px solid rgba(18,59,114,.2);border-radius:999px;background:#fff;color:var(--navy);font-weight:800;padding:8px 10px;cursor:pointer}.lang.active{background:var(--navy);color:#fff}.hero{position:relative;min-height:680px;display:flex;align-items:center;overflow:hidden;color:#fff}.hero-bg{position:absolute;inset:0;background:url('../assets/img/obra-camion.jpg') center/cover no-repeat;transform:scale(1.02)}.overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,18,35,.88) 0%,rgba(11,45,72,.72) 44%,rgba(11,45,72,.25) 100%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr 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span{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.92);color:var(--navy);font-weight:900;border-radius:999px;padding:7px 12px}.video-section{background:linear-gradient(135deg,#0b2d48,#123d32);color:#fff}.video-section h2{color:#fff}.video-section .split p{color:rgba(255,255,255,.78)}.video-card{background:#fff;border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}video{width:100%;aspect-ratio:16/9;background:#000;border-radius:18px;display:block;object-fit:cover}.social-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.social-card{background:#fff;border-radius:24px;text-decoration:none;padding:28px;box-shadow:0 15px 40px rgba(11,45,72,.1);border:1px solid rgba(11,45,72,.08)}.social-card strong{display:block;color:var(--navy);font-size:1.25rem}.social-card span{color:var(--muted)}.contact{background:#fff}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}.contact-list{display:grid;gap:10px;margin-top:24px}.contact-list a,.contact-list span{background:var(--bg);padding:14px 16px;border-radius:14px;text-decoration:none;color:var(--navy);font-weight:800}.contact-form{background:var(--bg);border-radius:var(--radius);padding:28px;display:grid;gap:15px;box-shadow:inset 0 0 0 1px rgba(11,45,72,.08)}label span{display:block;font-weight:900;color:var(--navy);margin-bottom:6px}input,textarea{width:100%;border:1px solid rgba(11,45,72,.15);border-radius:14px;padding:13px 14px;font:inherit;background:#fff}.contact-form .btn.ghost,.contact-form .btn{border-color:rgba(11,45,72,.2)}.footer{background:#071a2d;color:#fff;padding:34px 0;margin-bottom:0}.footer-grid{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer a{color:#9ee4ff}.floating-cta{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;gap:8px;background:#fff;border-radius:999px;padding:8px;box-shadow:0 14px 42px rgba(0,0,0,.2)}.floating-cta a{border-radius:999px;padding:10px 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