:root{--blue:#063d7c;--blue2:#031f4b;--orange:#ff9900;--ink:#0f172a;--muted:#64748b;--line:#e5e7eb;--bg:#f7f9fc;--card:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.hero{background:radial-gradient(circle at 15% 20%,#087cb6 0,#064e93 28%,#05346b 58%,#031d48 100%);color:#fff;padding:30px 5vw 82px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:repeating-radial-gradient(ellipse at 70% 130%,transparent 0 18px,rgba(255,255,255,.035) 19px 20px);pointer-events:none}.hero-inner{max-width:1280px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:1}.brand{display:flex;align-items:center;gap:30px}.brand img{width:210px;height:210px;object-fit:contain}.brand h1{font-size:clamp(2rem,4vw,3.8rem);margin:0 0 8px}.brand h1 span{display:block;color:var(--orange)}.brand p{font-size:1.15rem;max-width:560px;line-height:1.5;margin:0}.search{min-width:min(390px,100%)}.search form{display:flex;background:rgba(0,0,0,.15);border:1px solid rgba(255,255,255,.55);border-radius:12px;overflow:hidden}.search input{width:100%;padding:16px 18px;background:transparent;border:0;color:#fff;font-size:1rem;outline:none}.search input::placeholder{color:#e2e8f0}.search button{border:0;background:var(--orange);padding:0 20px;font-weight:700;cursor:pointer}
.stats{max-width:1180px;margin:-48px auto 30px;background:#fff;border-radius:18px;box-shadow:0 12px 35px rgba(15,23,42,.12);display:grid;grid-template-columns:repeat(4,1fr);position:relative;z-index:3;overflow:hidden}.stat{padding:25px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;font-size:1.8rem;color:var(--blue)}.stat span{color:var(--muted);font-size:.9rem}
.layout{max-width:1280px;margin:0 auto 55px;padding:0 24px;display:grid;grid-template-columns:245px 1fr;gap:28px}.sidebar,.content{background:#fff;border:1px solid var(--line);border-radius:16px}.sidebar{padding:20px;height:max-content;position:sticky;top:18px}.sidebar h2{font-size:1rem;color:var(--blue);margin:0 0 15px}.year{margin-bottom:10px}.year>a{display:flex;justify-content:space-between;font-weight:800;padding:11px;border-radius:10px;background:#f1f5f9}.months a{display:flex;justify-content:space-between;padding:9px 11px 9px 20px;border-left:3px solid transparent;color:#334155}.months a.active,.months a:hover{border-color:var(--orange);background:#fff7ed;color:var(--blue)}.badge{background:#e2e8f0;border-radius:999px;padding:2px 8px;font-size:.75rem}
.content{padding:24px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}.toolbar h2{margin:0;color:var(--blue);font-size:1.5rem}.toolbar select{padding:10px 12px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.video-card{display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:28px;padding:22px 0;border-bottom:1px solid var(--line)}.video-card:first-of-type{padding-top:0}.thumb{position:relative;aspect-ratio:16/9;background:#e2e8f0;border-radius:14px;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}.play{position:absolute;inset:0;margin:auto;width:72px;height:72px;border-radius:50%;border:3px solid #fff;background:rgba(0,0,0,.46);display:grid;place-items:center;color:#fff;font-size:1.8rem}.duration{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.75);color:#fff;padding:5px 8px;border-radius:7px;font-size:.82rem}.meta{color:var(--blue);font-size:.9rem;font-weight:700}.video-card h3{font-size:1.45rem;margin:10px 0 12px}.details{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.9rem;margin:18px 0}.buttons{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:7px;border-radius:9px;padding:11px 16px;font-weight:750;border:1px solid #cbd5e1}.btn.primary{background:#0751b5;color:#fff;border-color:#0751b5}.empty{text-align:center;padding:70px 20px;color:var(--muted)}.pagination{display:flex;justify-content:center;gap:8px;padding-top:25px}.pagination a,.pagination span{min-width:40px;height:40px;display:grid;place-items:center;border-radius:9px;border:1px solid var(--line);background:#fff}.pagination .current{background:var(--blue);color:#fff}
footer{background:linear-gradient(125deg,#063d7c,#031d48);color:#fff;padding:45px 5vw 20px}.footer-grid{max-width:1280px;margin:auto;display:grid;grid-template-columns:1.3fr 1fr 1.25fr 1.2fr;gap:35px}.footer-logo{width:135px;margin-bottom:12px}.footer-col h3{font-size:1rem;margin:0 0 16px}.footer-col a{display:block;color:#dbeafe;margin:10px 0}.footer-col a:hover{color:var(--orange)}.socials{display:flex;flex-wrap:wrap;gap:9px}.socials a{border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:8px 11px;margin:0}.copyright{max-width:1280px;margin:30px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);text-align:center;color:#cbd5e1}
@media(max-width:900px){.hero-inner,.brand{flex-direction:column;text-align:center}.brand img{width:160px;height:160px}.search{width:100%}.stats{margin:-42px 18px 25px;grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.layout{grid-template-columns:1fr}.sidebar{position:static}.video-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.hero{padding-left:20px;padding-right:20px}.brand{gap:15px}.brand h1{font-size:2rem}.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)!important}.layout{padding:0 12px}.content{padding:16px}.toolbar{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}}

/* Cuadrícula de videos en computadores */
.video-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}

.video-grid .video-card{
  display:flex;
  flex-direction:column;
  gap:16px;
  min-width:0;
  padding:0 0 24px;
  border-bottom:1px solid var(--line);
}

.video-grid .video-card > div{
  display:flex;
  flex-direction:column;
  flex:1;
  min-width:0;
}

.video-grid .video-card h3{
  font-size:1.25rem;
  line-height:1.2;
  margin:9px 0 10px;
}

.video-grid .video-card p{
  margin-top:0;
}

.video-grid .details{
  margin:14px 0;
}

.video-grid .buttons{
  margin-top:auto;
}

@media(max-width:900px){
  .video-grid{
    grid-template-columns:1fr;
  }

  .video-grid .video-card{
    display:grid;
    grid-template-columns:1fr;
  }
}