*{box-sizing:border-box}body{margin:0;background:#f3f5f7;color:#17202a;font-family:Arial,sans-serif}.home{max-width:1200px;margin:30px auto;padding:20px;display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:36px;align-items:center}.home .buttons{display:grid;gap:16px;width:100%;margin:0}.poster-wrap{display:flex;justify-content:center;align-items:center}.cartel{display:block;width:100%;max-width:700px;height:auto;border-radius:18px;box-shadow:0 8px 30px #0002}.card,.admin{max-width:1000px;margin:25px auto;padding:20px}.btn,button{display:block;border:0;border-radius:12px;padding:16px;text-align:center;font-weight:800;text-decoration:none;background:#1d3557;color:#fff;cursor:pointer}.btn small{display:block;margin-top:5px}.disabled{opacity:.45;cursor:not-allowed}.card{background:#fff;border-radius:18px;box-shadow:0 5px 25px #0001}.wide{max-width:800px}h1{margin-top:0}h2{border-bottom:1px solid #ddd;padding-bottom:8px;margin-top:28px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:block;font-weight:700;margin:10px 0}input,select,textarea{width:100%;margin-top:6px;padding:13px;border:1px solid #cbd2d9;border-radius:9px;font:inherit;background:#fff}.submit{width:100%;margin-top:20px;font-size:17px}.error{background:#ffe7e7;padding:12px;border-radius:8px;color:#9b1c1c}.summary{background:#f5f7f9;padding:14px;border-radius:12px;margin:20px 0}.admin{max-width:1400px}.filters{display:flex;gap:10px;align-items:end}.filters select{max-width:260px}.tablewrap{overflow:auto;background:#fff;margin-top:15px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:10px;border:1px solid #ddd;vertical-align:top;text-align:left}@media(max-width:750px){.home{display:flex;flex-direction:column;margin:0;padding:15px;gap:18px}.poster-wrap{order:1;width:100%}.home .buttons{order:2;width:100%}.card,.admin{margin:0;padding:15px;border-radius:0}.grid{grid-template-columns:1fr}.filters{display:block}.cartel{border-radius:10px;max-width:100%}}
/* Página de patrocinadores */
.sponsors-page{max-width:1150px;margin:0 auto;padding:28px 20px 65px}.sponsors-page h1{text-align:center;font-size:clamp(24px,4vw,38px);margin:22px 0 10px}.sponsors-page>p{text-align:center;margin:0 0 30px;color:#536271}.back{display:inline-block;color:#1d3557;font-weight:700;text-decoration:none}.sponsors-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.sponsor{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:16px;background:#fff;border-radius:16px;padding:22px 16px;color:#17202a;text-decoration:none;border:1px solid #e5eaf0;box-shadow:0 4px 15px #0000000a;transition:transform .15s,box-shadow .15s}.sponsor:hover,.sponsor:focus-visible{transform:translateY(-3px);box-shadow:0 8px 22px #0000001c}.sponsor img{width:100%;height:160px;object-fit:contain}.sponsor span{text-align:center;font-size:13px;font-weight:750;line-height:1.35}@media(min-width:850px){.sponsors-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:550px){.sponsors-grid{gap:10px}.sponsor{padding:14px 9px}.sponsor img{height:105px}.sponsor span{font-size:11px}}

/* Carteles de portada y premios: responsive */
.home.home-posters{display:block;max-width:1380px;margin:0 auto;padding:26px 20px 48px}.home-posters .buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0 0 24px;width:100%;align-items:stretch}.home-posters .buttons .btn{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:76px;line-height:1.3}.home-posters-grid,.prizes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start}.poster-panel{min-width:0}.home-posters .cartel{width:100%;max-width:none;height:auto;display:block;object-fit:contain;border-radius:12px;box-shadow:0 7px 25px #0002}.prizes-page{max-width:1380px;margin:0 auto;padding:28px 20px 60px}.prizes-page h1{text-align:center;font-size:clamp(24px,4vw,38px);margin:20px 0 28px}.prizes-grid figure{margin:0;min-width:0}.prizes-grid img{width:100%;height:auto;display:block;border-radius:12px;box-shadow:0 7px 25px #0002}@media(max-width:900px){.home-posters .buttons{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.home.home-posters{padding:14px 12px 32px}.home-posters .buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-bottom:16px}.home-posters .buttons .btn{min-height:78px;padding:12px 7px;font-size:12px}.home-posters-grid,.prizes-grid{grid-template-columns:1fr;gap:15px}.prizes-page{padding:18px 12px 32px}.prizes-page h1{margin:18px 0}}

/* FIX: botones antes de los carteles en móvil */
@media(max-width:750px){.home.home-posters{display:flex;flex-direction:column;align-items:stretch}.home.home-posters .buttons{order:0;width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.home.home-posters .home-posters-grid{order:1;width:100%}}