:root{
  --red:#c30d18;--red-dark:#8f0710;--black:#0b0b0d;--graphite:#242428;--muted:#6f6a61;--line:#e7e0d2;
  --bg:#f7f4ee;--white:#ffffff;--gold:#d7a51e;--gold-light:#f3d56a;--silver:#9aa0a6;--bronze:#a96f45;--green:#15803d;--shadow:0 18px 42px rgba(15,10,0,.10);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--black);line-height:1.5}
a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1160px,calc(100% - 32px));margin:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:50px;height:50px;object-fit:contain;border-radius:12px;background:#fff}.brand strong{display:block;font-size:1.05rem;letter-spacing:.04em}.brand span{display:block;color:var(--muted);font-size:.76rem}.site-header nav{display:flex;align-items:center;gap:18px;font-weight:650;font-size:.92rem}.site-header nav a:hover{color:var(--red)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border:none;border-radius:12px;font-weight:800;cursor:pointer;transition:.18s ease}.btn:hover{transform:translateY(-1px)}.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-dark)}.btn-dark{background:var(--black);color:#fff}.btn-outline{background:#fff;border:1px solid var(--line)}.btn-sm{padding:9px 13px;border-radius:10px;font-size:.86rem}.btn-success{background:var(--green);color:#fff}.btn-danger{background:#991b1b;color:#fff}
.hero{background:linear-gradient(135deg,#fff 0%,#fff 55%,#f6e9e8 100%);padding:76px 0 56px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:center}.eyebrow{display:inline-block;color:var(--red);font-weight:900;letter-spacing:.08em;font-size:.78rem;text-transform:uppercase;margin-bottom:12px}.hero h1{font-size:clamp(2.3rem,5vw,4.5rem);line-height:1.02;margin:0 0 18px;letter-spacing:-.035em}.hero h1 span{color:var(--red)}.hero p{font-size:1.12rem;color:#4b5563;max-width:690px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-logo-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}.hero-logo-card img{max-height:390px;object-fit:contain}
.section{padding:58px 0}.section-title{margin:0 0 10px;font-size:2rem;letter-spacing:-.02em}.section-sub{margin:0 0 28px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 7px 22px rgba(0,0,0,.04)}.card h3{margin:0 0 9px}.card p{margin:0;color:var(--muted)}.stat{font-size:2rem;font-weight:900;margin:5px 0}.accent-top{border-top:4px solid var(--red)}
.form-card{max-width:860px;margin:38px auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-group{display:flex;flex-direction:column;gap:7px}.form-group.full{grid-column:1/-1}label{font-size:.9rem;font-weight:800}input,select,textarea{width:100%;border:1px solid #d1d5db;border-radius:11px;padding:11px 12px;font:inherit;background:#fff}input:focus,select:focus,textarea:focus{outline:3px solid rgba(176,45,41,.12);border-color:var(--red)}textarea{min-height:110px}.help{font-size:.82rem;color:var(--muted)}.required{color:var(--red)}
.flash{margin-top:18px;border-radius:12px;padding:12px 14px;font-weight:650}.flash-success{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0}.flash-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.flash-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}.data-table{width:100%;border-collapse:collapse;min-width:760px}.data-table th,.data-table td{padding:12px 13px;text-align:left;border-bottom:1px solid var(--line);font-size:.9rem}.data-table th{background:#fafafa;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:#52525b}.data-table tr:last-child td{border-bottom:none}.pill{display:inline-flex;border-radius:999px;padding:5px 9px;font-size:.75rem;font-weight:850;background:#f3f4f6}.pill-red{background:#fee2e2;color:#991b1b}.pill-green{background:#dcfce7;color:#166534}.pill-yellow{background:#fef3c7;color:#92400e}.pill-black{background:#18181b;color:#fff}
.site-footer{background:#111;color:#fff;margin-top:60px;padding:36px 0}.footer-grid{display:flex;justify-content:space-between;gap:28px}.site-footer p{color:#a1a1aa;margin:.35rem 0 0}.footer-right{color:#a1a1aa}
.exam-page{background:#eceff1;height:100vh;overflow:hidden}.exam-topbar{height:68px;background:#111;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px;gap:14px}.exam-brand{display:flex;align-items:center;gap:10px}.exam-brand img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:9px}.exam-meta{font-size:.84rem;color:#d4d4d8}.timer{font-size:1.45rem;font-weight:900;background:var(--red);padding:8px 14px;border-radius:10px;font-variant-numeric:tabular-nums}.exam-shell{height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(0,2.3fr) minmax(310px,.7fr);grid-template-rows:minmax(0,1fr);align-items:stretch;gap:0;overflow:hidden}.pdf-pane{background:#3f3f46;display:flex;flex-direction:column}.pdf-toolbar{height:48px;background:#27272a;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:.85rem}.pdf-frame{width:100%;height:100%;border:0;background:#52525b}.answers-pane{background:#fff;border-left:1px solid #d4d4d8;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.answers-head{padding:16px;border-bottom:1px solid var(--line)}.answers-head h2{font-size:1.05rem;margin:0 0 5px}.progress-line{color:var(--muted);font-size:.86rem}.answer-list{padding:12px;overflow-y:auto;flex:1 1 0;min-height:0}.answer-row{display:grid;grid-template-columns:36px repeat(5,1fr);align-items:center;gap:6px;padding:8px 4px;border-bottom:1px solid #f1f1f1}.qnum{font-weight:900;text-align:center}.answer-option{position:relative;min-width:0}.answer-option input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer;z-index:2}.answer-option label{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;border:1px solid #d4d4d8;border-radius:9px;height:34px;cursor:pointer;font-size:.8rem}.answer-option input:checked+label{background:var(--red);color:#fff;border-color:var(--red)}.answers-footer{padding:14px;border-top:1px solid var(--line);display:grid;gap:9px}.save-status{font-size:.78rem;color:var(--muted);text-align:center}.mobile-tabs{display:none}
.rank-hero{padding:44px 0 24px;background:#18181b;color:#fff}.rank-hero h1{margin:0}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:25px 0}.podium-card{background:#fff;border-radius:18px;padding:22px;border:1px solid var(--line);text-align:center;box-shadow:0 10px 25px rgba(0,0,0,.05)}.medal{font-size:2rem}.podium-card.gold{border-top:5px solid var(--gold)}.podium-card.silver{border-top:5px solid var(--silver)}.podium-card.bronze{border-top:5px solid var(--bronze)}
.admin-body{background:#f4f4f5}.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.admin-sidebar{background:#111;color:#fff;padding:16px;position:sticky;top:0;height:100vh}.admin-brand{display:flex;align-items:center;gap:10px;padding:6px 6px 18px;border-bottom:1px solid #2f2f32;margin-bottom:14px}.admin-brand img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:10px}.admin-brand small{display:block;color:#a1a1aa}.admin-sidebar nav{display:grid;gap:4px}.admin-sidebar nav a{padding:10px 11px;border-radius:9px;color:#e4e4e7;font-size:.91rem}.admin-sidebar nav a:hover{background:#27272a;color:#fff}.admin-main{min-width:0}.admin-topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.admin-topbar a{color:var(--red);font-weight:800}.admin-content{padding:24px}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.toolbar-actions{display:flex;flex-wrap:wrap;gap:9px}.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px}.panel h2,.panel h3{margin-top:0}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top right,#f8dddb 0%,#f5f5f5 42%,#fff 100%)}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}.login-logo{display:flex;justify-content:center;margin-bottom:12px}.login-logo img{width:100px;height:100px;object-fit:contain}
.code-box{background:#111;color:#fff;font-size:1.55rem;font-weight:900;letter-spacing:.12em;padding:16px;border-radius:14px;text-align:center}.success-card{max-width:720px;margin:40px auto;background:#fff;border-radius:20px;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow);text-align:center}.success-icon{width:68px;height:68px;border-radius:50%;background:#dcfce7;color:#166534;display:grid;place-items:center;margin:0 auto 16px;font-size:2rem;font-weight:900}
@media(max-width:900px){.site-header nav{display:none}.hero-grid{grid-template-columns:1fr}.hero-logo-card{display:none}.cards,.admin-grid{grid-template-columns:repeat(2,1fr)}.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:relative;height:auto}.admin-sidebar nav{grid-template-columns:repeat(2,1fr)}.exam-shell{grid-template-columns:1fr}.answers-pane{display:none;border-left:0}.pdf-pane{display:flex}.mobile-tabs{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;background:#fff;border-top:1px solid var(--line);padding:8px;gap:8px}.mobile-tabs button{flex:1}.exam-page.show-answers .pdf-pane{display:none}.exam-page.show-answers .answers-pane{display:flex}.answers-footer{padding-bottom:70px}}
@media(max-width:620px){.container{width:min(100% - 20px,1160px)}.hero{padding-top:45px}.hero h1{font-size:2.55rem}.cards,.form-grid,.admin-grid,.podium{grid-template-columns:1fr}.footer-grid{display:grid}.admin-sidebar nav{grid-template-columns:1fr 1fr}.admin-content{padding:14px}.exam-topbar{height:76px}.exam-shell{height:calc(100vh - 76px)}.timer{font-size:1.1rem}.exam-meta{display:none}}

.top-ten-row td{background:#fffaf0}.top-ten-row td:first-child{border-left:4px solid var(--gold)}

/* ===== OMEGA CONCURSOS V2 ===== */
.admin-test-link{background:#3b1716!important;border:1px solid #6e2421}.test-banner{display:flex;gap:14px;align-items:center;flex-wrap:wrap;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:14px;padding:13px 16px;margin-bottom:18px}.test-banner strong{font-size:.92rem}.test-banner span{font-size:.86rem}.test-flow{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.test-flow div{background:#f4f4f5;border:1px solid #e4e4e7;border-radius:10px;padding:10px 12px;font-weight:800}.test-flow span{color:#a1a1aa;font-weight:900}.checklist{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.checklist div{background:#ecfdf5;border:1px solid #bbf7d0;color:#166534;border-radius:10px;padding:11px;font-weight:750}.demo-diploma{max-width:980px;aspect-ratio:1.414/1;margin:12px auto 18px;background:linear-gradient(135deg,#fff 0%,#fff 75%,#f7e5e3 100%);border:10px double #b02d29;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;box-shadow:0 10px 25px rgba(0,0,0,.08)}.demo-diploma-logo img{width:90px;height:90px;object-fit:contain}.demo-diploma span{font-weight:900;letter-spacing:.08em;color:#b02d29}.demo-diploma h2{font-size:2rem;margin:.35rem 0}.demo-diploma h1{font-size:2.25rem;margin:.35rem 0;color:#18181b}.demo-diploma p{margin:.3rem 0}.demo-diploma small{margin-top:20px;color:#71717a}@media(max-width:900px){.checklist{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.checklist{grid-template-columns:1fr}.test-flow span{display:none}.test-flow div{width:100%}.demo-diploma{aspect-ratio:auto;min-height:480px}.demo-diploma h1{font-size:1.65rem}}


/* ============================================================
   GRUPO EDUCATIVO OMEGA — IDENTIDAD VISUAL
   Rojo rubí · dorado · negro · blanco
   ============================================================ */
body{background:var(--bg)}
.omega-header{background:linear-gradient(90deg,#08080a 0%,#151116 62%,#26070a 100%);border-bottom:2px solid var(--gold)}
.omega-header .brand strong{color:#fff;letter-spacing:.055em}
.omega-header .brand span{color:#d5c9ad}
.omega-header .brand img{border-radius:50%;border:1px solid rgba(215,165,30,.65);background:#fff}
.omega-header nav a{color:#f4efe5}
.omega-header nav a:hover{color:var(--gold-light)}
.omega-header .nav-whatsapp{background:#138a42;color:#fff!important;padding:9px 13px;border-radius:999px}
.omega-header .nav-whatsapp:hover{background:#0e7436;color:#fff!important}

.omega-hero{position:relative;overflow:hidden;background:
radial-gradient(circle at 78% 28%,rgba(215,165,30,.24),transparent 25%),
radial-gradient(circle at 18% 84%,rgba(195,13,24,.26),transparent 30%),
linear-gradient(135deg,#08080a 0%,#171014 54%,#53070d 100%);border-bottom:3px solid var(--gold);padding:84px 0 68px}
.omega-hero:before{content:"Ω";position:absolute;right:-3vw;top:-9vw;font-size:min(52vw,720px);font-family:Georgia,serif;font-weight:900;color:rgba(255,255,255,.025);line-height:1;pointer-events:none}
.omega-hero .eyebrow{color:var(--gold-light)}
.omega-hero h1{color:#fff;text-shadow:0 1px 1px rgba(0,0,0,.2)}
.omega-hero h1 span{color:var(--gold-light)}
.omega-hero p{color:#e7dfd1;font-size:1.12rem}
.omega-logo-card{background:linear-gradient(145deg,rgba(255,255,255,.98),#fff7dc);border:1px solid rgba(215,165,30,.85);box-shadow:0 24px 60px rgba(0,0,0,.35),inset 0 0 0 5px rgba(215,165,30,.06)}
.omega-logo-card img{max-height:430px}
.btn-gold{background:linear-gradient(180deg,#f3d56a,#d7a51e);color:#16100a;border:1px solid #f8df80}
.btn-gold:hover{background:#e2b52d}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{border-color:var(--gold-light);color:var(--gold-light)}
.omega-trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:25px;color:#d8caa9;font-size:.86rem;font-weight:700}

.section-kicker{font-size:.76rem;letter-spacing:.13em;font-weight:950;color:var(--red);margin-bottom:8px}
.omega-competitions{background:linear-gradient(180deg,#f7f4ee,#fff)}
.competition-cards{grid-template-columns:repeat(auto-fit,minmax(285px,1fr))}
.competition-card{position:relative;overflow:hidden;border:1px solid #eadbb9;border-top:4px solid var(--red);padding:25px}
.competition-card:after{content:"";position:absolute;width:100px;height:100px;border:18px solid rgba(215,165,30,.08);border-radius:50%;right:-45px;top:-48px}
.competition-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.competition-badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#fff2c8;color:#6e4b00;font-size:.72rem;font-weight:900}
.omega-dot{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(195,13,24,.09)}
.competition-card h3{font-size:1.3rem}
.competition-meta{display:grid;gap:9px;margin:18px 0}
.competition-meta div{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed #eadfca}
.competition-meta span{font-size:.7rem;letter-spacing:.08em;color:#8b806d;font-weight:900}
.competition-meta strong{text-align:right;font-size:.86rem}
.empty-competition{text-align:center;padding:38px}
.empty-icon{font-family:Georgia,serif;font-size:4rem;color:var(--gold);line-height:1}
.omega-how{background:#fff}
.omega-feature-cards .feature-card{border-top:1px solid #eadbb9;position:relative}
.feature-number{font-size:2.5rem;line-height:1;color:#e4d4b4;font-weight:950;margin-bottom:14px}

.card{border-color:#e8dfcf}
.accent-top{border-top-color:var(--red)}
.btn-red{background:linear-gradient(180deg,#d41723,#aa0811);box-shadow:0 7px 16px rgba(170,8,17,.17)}
.btn-red:hover{background:#92070e}
.btn-dark{background:#0d0d0f}
.btn-outline{border-color:#d8c9a7}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(215,165,30,.20);border-color:var(--gold)}
.eyebrow{color:var(--red)}

.omega-footer{border-top:3px solid var(--gold);background:linear-gradient(100deg,#08080a,#1a1012)}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:54px;height:54px;object-fit:contain;background:#fff;border-radius:50%;border:1px solid var(--gold)}
.omega-footer .footer-right strong{color:var(--gold-light)}
.omega-wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#159447;color:#fff;font-size:.78rem;font-weight:950;box-shadow:0 12px 30px rgba(0,0,0,.22);border:3px solid #fff}
.omega-wa-float:hover{background:#117d3c;transform:translateY(-2px)}

.rank-hero{background:linear-gradient(120deg,#08080a,#40070b 72%,#8f0710);border-bottom:3px solid var(--gold)}
.exam-topbar{background:linear-gradient(90deg,#08080a,#24070a);border-bottom:2px solid var(--gold)}
.timer{background:linear-gradient(180deg,#d41723,#9f0710);border:1px solid #e5a71f}
.exam-brand img{border-radius:50%;border:1px solid var(--gold)}
.answer-option input:checked+label{background:linear-gradient(180deg,#d41723,#a30912);border-color:#a30912}

.omega-admin-sidebar,.admin-sidebar{background:linear-gradient(180deg,#08080a,#160d0f 72%,#2b070a)}
.admin-brand{border-bottom-color:#4a2b1a}
.admin-brand img{border-radius:50%;border:1px solid var(--gold)}
.admin-sidebar nav a:hover{background:#381014}
.admin-test-link{background:#3a1507!important;border:1px solid #b27c16!important;color:#ffe69a!important}
.admin-topbar{border-bottom:2px solid #d9ad3b}
.admin-topbar a{color:var(--red)}
.panel{border-color:#e7decd}
.omega-login,.login-wrap{background:
radial-gradient(circle at 80% 10%,rgba(215,165,30,.25),transparent 27%),
radial-gradient(circle at 15% 90%,rgba(195,13,24,.20),transparent 32%),
linear-gradient(145deg,#09090b,#f7f2e7 55%,#fff)}
.login-card{border-top:5px solid var(--red);box-shadow:0 24px 60px rgba(0,0,0,.16)}
.login-logo img{border-radius:50%;border:2px solid var(--gold);background:#fff}

.demo-diploma{background:linear-gradient(135deg,#fff 0%,#fff 72%,#fff4cb 100%);border:10px double var(--gold)}
.demo-diploma span{color:var(--red)}

@media(max-width:900px){
  .omega-hero{padding:58px 0 48px}
  .omega-trust{gap:10px}
  .omega-wa-float{right:14px;bottom:76px;width:50px;height:50px}
}
@media(max-width:620px){
  .footer-grid{flex-direction:column}
  .omega-header .brand strong{font-size:.86rem}
  .omega-header .brand span{font-size:.68rem}
  .competition-meta div{display:grid;gap:2px}
  .competition-meta strong{text-align:left}
}