:root{--navy:#10263a;--navy2:#193a51;--gold:#d7b373;--ink:#173047;--muted:#617488;--bg:#f4f6f9;--line:#dce4ec;--green:#1a7964;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink)}a{color:inherit}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.shell{max-width:1190px;margin:auto;padding:0 25px}.top{background:var(--navy);color:#fff;border-bottom:1px solid #365063}.top .shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{text-decoration:none;font-size:25px;line-height:1;font-weight:900;letter-spacing:.07em}.logo small{display:block;color:var(--gold);font-size:10px;letter-spacing:.27em;margin-top:7px}.links{display:flex;gap:23px;align-items:center}.links a{text-decoration:none;font-size:14px;color:#e4edf4}.links a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:13px 19px;text-decoration:none;font-weight:750;border:1px solid #b1c2d0;background:white;color:var(--navy)}.btn.gold{background:var(--gold);border-color:var(--gold)}.btn.navy{background:var(--navy);color:white;border-color:var(--navy)}.btn.outline{background:transparent;color:inherit;border-color:#a4b3c2}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #6cb9ef;outline-offset:3px}.eyebrow{text-transform:uppercase;letter-spacing:.17em;font-weight:800;font-size:12px;color:var(--gold)}.hero{background:linear-gradient(110deg,#10263a,#20465d);color:white;padding:75px 0 83px}.hero h1{font-size:clamp(37px,5vw,65px);max-width:790px;line-height:1.1;margin:16px 0}.hero p{color:#e0ecf5;font-size:19px;max-width:660px;line-height:1.65}.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:25px}.section{padding:50px 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19px;color:var(--ink)}.lesson-btn.active{background:#f2f6f9;border-left:4px solid #bd974e;padding-left:15px}.lesson-btn .num{font-size:12px;color:#a27b38;font-weight:850}.lesson-btn .ll{font-size:14px;font-weight:700;line-height:1.35}.lesson-btn .status{font-size:11px;color:#687e90;margin-top:4px}.learning .video{aspect-ratio:16/8;min-height:210px;background:linear-gradient(140deg,#10263a,#224960);display:flex;justify-content:center;align-items:center;flex-direction:column;color:white;text-align:center;padding:20px}.video .play{font-size:45px;color:var(--gold)}.video p{color:#dbe6ee;font-size:13px}.learning-body{padding:30px}.learning-body h2{font-size:28px;margin:8px 0}.learning-body p{line-height:1.7}.activity{padding:19px;background:#f7f2e8;border-left:4px solid var(--gold);border-radius:10px;margin:23px 0}.quiz{border-top:1px solid var(--line);padding-top:23px}.quiz legend{font-weight:800;margin-bottom:14px}.choice{display:block;padding:13px;margin:9px 0;border:1px solid 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/* CLOSEUP Campus 2.1 — navegación depurada */
html{scroll-behavior:smooth;scroll-padding-top:110px}
.compact-notice{padding:12px 16px;margin:10px 0 22px;font-size:12px}
.resource-note{padding:12px 16px;border:1px solid #dce5ec;border-radius:10px;background:#f6f9fb;margin-bottom:22px}
.resource-note p{font-size:13px;line-height:1.5;margin:5px 0 0;color:#49657a}
.learning{scroll-margin-top:118px}
.learning .video{aspect-ratio:16/7;min-height:190px}
@media(max-width:700px){.links a[href="#materiales"]{display:none}.learning .video{aspect-ratio:16/9}}