:root{
  --blue:#2b55b6;--blue-dark:#182b63;--red:#e31e24;--red-dark:#b91119;--ink:#14213d;--muted:#64748b;--bg:#f7f9ff;--soft:#f4f7ff;--line:#e2e8f4;--white:#fff;
}
*{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:linear-gradient(180deg,#fff 0%,#f7f9ff 100%);line-height:1.6}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1220px,92vw);margin:auto}.newsbar{background:var(--blue);color:#fff;font-size:.92rem;overflow:hidden}.ticker-wrap{height:40px;display:flex;align-items:center;gap:18px;white-space:nowrap}.ticker-wrap strong{background:rgba(255,255,255,.12);border-radius:999px;padding:5px 10px;flex:0 0 auto}.ticker{overflow:hidden;flex:1}.ticker-track{display:inline-flex;gap:42px;animation:ticker 38s linear infinite}.ticker a{color:#fff;opacity:.96}.ticker a:hover{text-decoration:underline}@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);box-shadow:0 10px 28px rgba(43,85,182,.08)}.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:14px;font-weight:900;color:var(--blue-dark);letter-spacing:-.02em}.brand img{height:46px;width:46px;object-fit:contain}.brand span{font-size:1.12rem}.brand small{display:block;color:var(--blue);font-size:.78rem;font-weight:800}.navlinks{display:flex;align-items:center;gap:6px}.navlinks a{font-weight:800;color:#5b6b85;padding:10px 12px;border-radius:999px;font-size:.94rem}.navlinks a:hover{background:#edf3ff;color:var(--blue)}.menu{display:none;border:0;background:transparent;font-size:1.8rem;color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 22px;font-weight:900;border:0;cursor:pointer}.btn-blue{background:var(--blue);color:#fff;box-shadow:0 12px 25px rgba(43,85,182,.20)}.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 25px rgba(227,30,36,.18)}.btn-outline-blue{background:#fff;color:var(--blue);border:2px solid var(--blue)}.hero-light{padding:96px 0 82px;position:relative;overflow:hidden;background:linear-gradient(120deg,#fff 0%,#f6f9ff 65%,#eef4ff 100%)}.hero-light:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(43,85,182,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(43,85,182,.04) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1fr .95fr;gap:56px;align-items:center}.pill,.section-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:#edf3ff;border:1px solid #cddaf8;color:var(--blue);font-weight:900;font-size:.82rem}.hero-copy h1{font-size:clamp(3rem,5.3vw,5.2rem);line-height:.92;letter-spacing:-.07em;margin:24px 0 18px;color:var(--blue-dark)}.hero-copy h1 span{color:var(--blue);position:relative}.hero-copy h1 span:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:6px;background:var(--red);border-radius:999px}.hero-copy p,.lead{color:#62708a;font-size:1.13rem;max-width:660px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--line);margin-top:46px;padding-top:28px;max-width:620px}.mini-stats b{font-size:1.7rem;color:var(--blue-dark);display:block}.mini-stats span{color:var(--muted)}.hero-image-card{position:relative;border-radius:28px;padding:16px;background:linear-gradient(135deg,#eef4ff,#ffecef);border:1px solid var(--line)}.hero-image-card img{border-radius:22px;height:360px;width:100%;object-fit:cover}.floating-card{position:absolute;left:16px;bottom:0;transform:translateY(28%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 18px;box-shadow:0 12px 30px rgba(20,33,61,.12);display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:center}.floating-card b{color:var(--blue-dark)}.floating-card span{grid-column:2;color:var(--muted);font-size:.85rem}.section{padding:86px 0}.section-soft{background:var(--soft)}.section-title{text-align:center;max-width:760px;margin:0 auto 48px}.section-title h2,.section h2{font-size:clamp(2rem,3.4vw,3.35rem);line-height:1.06;color:var(--blue-dark);letter-spacing:-.04em;margin:14px 0}.section-title p{color:var(--muted);font-size:1.08rem}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:42px}.align-center{align-items:center}.feature-list{display:grid;gap:16px;margin-top:26px}.feature-list div{display:flex;gap:13px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:20px}.feature-list span{width:42px;height:42px;border-radius:14px;background:#edf3ff;display:grid;place-items:center;flex:0 0 42px}.feature-list p{margin:0;color:var(--muted)}.logos-panel{background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;text-align:center;display:grid;justify-items:center;gap:16px}.shield-logo{max-height:180px}.red-logo{max-height:108px}.logos-panel p{color:var(--muted);margin:0}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.topic-grid.compact{max-width:940px;margin:auto}.topic-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;min-height:230px}.topic-card span{width:54px;height:54px;border-radius:16px;background:#f1f5ff;display:grid;place-items:center;font-size:1.35rem;margin-bottom:18px}.topic-card h3{color:var(--blue-dark);margin:0 0 10px}.topic-card p{color:var(--muted);margin:0 0 18px}.topic-card a{font-weight:900;color:var(--blue)}.triage-panel,.notice-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px}.triage-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.triage-tags span{padding:9px 12px;border-radius:999px;font-weight:900;font-size:.86rem}.t-red{background:#ffe9ea;color:#b91119}.t-yellow{background:#fff8d9;color:#8b6500}.t-green{background:#e8fff1;color:#0f7738}.t-blue{background:#edf3ff;color:var(--blue)}.center{text-align:center;margin-top:28px}.student-preview{margin-top:24px}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card,.post{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden}.post img{width:100%;height:180px;object-fit:cover}.post-body{padding:20px}.post h3{color:var(--blue-dark);line-height:1.15;margin:0 0 8px}.post p{color:var(--muted)}.tag{display:inline-block;background:#edf3ff;color:var(--blue);border-radius:999px;padding:5px 10px;font-size:.72rem;font-weight:900;margin-bottom:10px}.video-placeholder{background:#fff;border:1px dashed #b9c8eb;border-radius:24px;padding:42px;text-align:center;color:var(--muted);font-weight:800}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px}.text-link{color:var(--blue);font-weight:900}.contact-items{display:grid;gap:12px;margin-top:22px}.contact-items a,.contact-items span{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;color:var(--blue-dark);font-weight:800}.contact-form{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;display:grid;gap:14px}.contact-form h3{margin:0;color:var(--blue-dark)}.contact-form label{display:grid;gap:7px;color:var(--blue-dark);font-weight:900}.contact-form input,.contact-form textarea{border:1px solid #d9e3f7;border-radius:16px;padding:13px 14px;font:inherit}.contact-form textarea{min-height:130px;resize:vertical}.form-note{margin:0;color:var(--muted);font-size:.9rem}.footer{background:#fff;border-top:1px solid var(--line);padding:28px 0;color:#64748b}.footer .container{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:12px;color:var(--blue-dark)}.footer img{height:42px}.float-wa{position:fixed;right:22px;bottom:22px;z-index:60;background:#25d366;color:#fff;border-radius:999px;padding:14px 18px;font-weight:900;box-shadow:0 14px 36px rgba(37,211,102,.26)}.blog-loading{color:var(--muted);text-align:center}.resource-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.resource-list .student-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.resource-list a{color:var(--blue);font-weight:900}@media(max-width:980px){.menu{display:block}.nav{height:auto;padding:16px 0}.navlinks{display:none;position:absolute;top:77px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 5vw}.navlinks.open{display:grid}.hero-grid,.grid-2,.contact-grid{grid-template-columns:1fr}.topic-grid,.blog-grid,.resource-list{grid-template-columns:1fr 1fr}.hero-light{padding:70px 0}.hero-image-card{max-width:620px}.brand span{font-size:1rem}}@media(max-width:640px){.ticker-wrap{height:44px}.ticker-wrap strong{display:none}.brand img{height:40px;width:40px}.btn{width:100%}.hero-copy h1{font-size:3rem}.mini-stats,.topic-grid,.blog-grid,.resource-list{grid-template-columns:1fr}.section{padding:62px 0}.float-wa{left:16px;right:16px;text-align:center}.footer .container{display:grid;text-align:center}.footer-brand{justify-content:center}.hero-image-card img{height:250px}}

/* Blog y panel */
.hero-blog{padding:72px 0;background:linear-gradient(120deg,#fff 0%,#f6f9ff 65%,#eef4ff 100%);border-bottom:1px solid var(--line)}
.hero-blog h1{font-size:clamp(2.5rem,4.5vw,4.5rem);line-height:1;letter-spacing:-.06em;color:var(--blue-dark);margin:14px 0}.hero-blog p{max-width:760px;color:var(--muted);font-size:1.12rem}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:1fr 1fr}.post-main{max-width:920px;margin:auto}.muted{color:var(--muted)}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(120deg,#fff 0%,#f6f9ff 65%,#eef4ff 100%);padding:24px}.login-card{width:min(440px,94vw);background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:0 18px 55px rgba(43,85,182,.10)}.login-logo{height:86px;margin:0 auto 12px}.form-row{display:grid;gap:7px;margin:12px 0}.form-row label{font-weight:900;color:var(--blue-dark);font-size:.9rem}.input,textarea,select{width:100%;border:1px solid #d9e3f7;border-radius:16px;padding:12px 14px;font:inherit;background:#fff}textarea{min-height:130px;resize:vertical}.alert{border-radius:16px;padding:12px 14px;margin:12px 0;font-weight:800}.alert-ok{background:#e8fff2;color:#0f6b38;border:1px solid #b9f1ce}.alert-error{background:#fff1f1;color:#a30712;border:1px solid #ffd1d1}.help{font-size:.88rem;color:var(--muted);margin-top:6px}.dashboard{display:grid;grid-template-columns:250px 1fr;min-height:100vh;background:#f7f9ff}.sidebar{background:#fff;color:var(--blue-dark);padding:22px;position:sticky;top:0;height:100vh;border-right:1px solid var(--line)}.sidebar img{height:70px;margin-bottom:14px}.sidebar a{display:block;padding:12px 14px;border-radius:14px;color:#5b6b85;margin:5px 0;font-weight:800}.sidebar a:hover,.sidebar a.active{background:#edf3ff;color:var(--blue)}.content{padding:28px}.topline{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:22px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.stat b{font-size:1.7rem;color:var(--blue)}.table{width:100%;border-collapse:separate;border-spacing:0 10px}.table th{text-align:left;color:var(--muted);font-size:.82rem}.table td{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px}.table td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px}.table td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0}.actions{display:flex;gap:8px;flex-wrap:wrap}.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.preview-img{border-radius:16px;max-height:180px;object-fit:cover}.btn-light{background:#edf3ff;color:var(--blue)}.btn-dark{background:var(--blue-dark);color:#fff}.btn-red{background:var(--red);color:#fff}.btn-blue{background:var(--blue);color:#fff}.notice{background:#fff8e6;border:1px solid #ffe3a1;color:#6b4a00;border-radius:18px;padding:14px;font-size:.92rem}code{background:#eef2f8;padding:2px 6px;border-radius:6px}@media(max-width:920px){.grid-3,.grid-2,.two-col,.stats{grid-template-columns:1fr}.dashboard{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.content{padding:18px}.table{font-size:.9rem}.table td,.table th{display:block;border-radius:0!important}.table tr{display:block;margin-bottom:14px}}