/* ============================================================
   Ankin Academy — catálogo de cursos (tema terminal claro)
   ============================================================ */
:root{
  --bg:#fff;--surface:#fafafa;--line:#e6e6e6;--line-2:#d0d0d0;
  --text:#0a0a0a;--text-2:#404040;--text-3:#6b6b6b;--ok:#15803d;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --display:'League Gothic','Arial Narrow',sans-serif;
  --r:14px;--maxw:1200px;--nav-h:64px;--ease:cubic-bezier(.2,.8,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--text);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--text);color:#fff;padding:10px 14px;border-radius:8px;font-family:var(--mono);font-size:13px;text-decoration:none}
.skip:focus{top:12px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

/* ---------- barra superior ---------- */
.anav{position:sticky;top:0;z-index:50;height:var(--nav-h);background:rgba(255,255,255,.82);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--line)}
.anav .container{height:100%;display:flex;align-items:center;gap:18px}
.alogo{display:flex;align-items:center;gap:12px;text-decoration:none;min-height:44px}
.alogo img{height:26px;width:auto;filter:invert(1)}
.alogo .tag{font-family:var(--mono);font-size:12px;letter-spacing:1.5px;color:var(--text-3);border-left:1px solid var(--line-2);padding-left:12px}
.alinks{display:flex;align-items:center;gap:2px;margin-left:auto;list-style:none}
.alinks a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;text-decoration:none;font-family:var(--mono);font-size:12.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--text-2)}
.alinks a:hover{background:#f2f2f2;color:var(--text)}
.alinks a[aria-current="page"]{color:var(--text)}
.alinks a[aria-current="page"]::after{content:"_";animation:blink 1.05s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;font-family:var(--mono);font-size:13px;letter-spacing:.6px;text-decoration:none;cursor:pointer;border:1px solid var(--text);transition:transform .15s var(--ease),background .2s,color .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--text);color:#fff}
.btn-primary:hover{background:#2a2a2a}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--text)}
.btn-sm{min-height:36px;padding:0 14px;font-size:12px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.ahero{border-bottom:1px solid var(--line);background:#fff;background-image:linear-gradient(rgba(0,0,0,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.035) 1px,transparent 1px);background-size:44px 44px}
.ahero .container{padding-top:72px;padding-bottom:56px;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:end}
.prompt{font-family:var(--mono);font-size:13px;color:var(--text-3);margin-bottom:14px}
.prompt b{color:var(--text);font-weight:400}
.ahero h1{font-family:var(--display);font-weight:400;font-size:clamp(48px,7vw,88px);line-height:.95;letter-spacing:2px}
.cursor::after{content:"\25AE";margin-left:10px;font-size:.5em;vertical-align:.3em;animation:blink 1.05s steps(2) infinite}
.ahero .lead{color:var(--text-2);font-size:18px;max-width:56ch;margin-top:14px}
.search{position:relative;margin-top:28px;max-width:560px}
.search input{width:100%;height:52px;border-radius:999px;border:1px solid var(--line-2);background:#fff;padding:0 20px 0 48px;font-family:var(--mono);font-size:14px;color:var(--text);transition:border-color .2s,box-shadow .2s}
.search input:focus{outline:none;border-color:var(--text);box-shadow:0 0 0 4px rgba(0,0,0,.06)}
.search::before{content:"$";position:absolute;left:20px;top:50%;transform:translateY(-50%);font-family:var(--mono);color:var(--text-3)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.stats div{padding:18px 14px;text-align:center;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats b{display:block;font-family:var(--display);font-weight:400;font-size:40px;line-height:1}
.stats span{font-family:var(--mono);font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--text-3)}

/* ---------- catálogo ---------- */
.catalog{display:grid;grid-template-columns:230px 1fr;gap:40px;padding-top:44px;padding-bottom:80px}
.filters{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start}
.filters h2{font-family:var(--mono);font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--text-3);margin:0 0 10px}
.filters fieldset{border:0;margin-bottom:26px}
.filters legend{font-family:var(--mono);font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--text-3);margin-bottom:10px}
.chip{display:flex;align-items:center;gap:10px;min-height:40px;padding:0 12px;border-radius:10px;cursor:pointer;font-size:15px;color:var(--text-2)}
.chip:hover{background:#f4f4f4}
.chip input{accent-color:#000;width:16px;height:16px}
.chip:has(input:checked){background:#f0f0f0;color:var(--text);font-weight:500}
.results-bar{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px;border-bottom:1px solid var(--line);padding-bottom:12px}
.results-bar h2{font-family:var(--display);font-weight:400;font-size:34px;letter-spacing:1.5px}
.count{font-family:var(--mono);font-size:12.5px;color:var(--text-3)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.ccard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s,border-color .2s}
.ccard:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.ccard[hidden]{display:none}
.ccard-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.kind{font-family:var(--mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-3)}
.ccard h3{font-size:20px;font-weight:600;letter-spacing:-.2px;line-height:1.3;margin:6px 0 6px}
.ccard p{color:var(--text-2);font-size:14.5px}
.meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:14px;font-family:var(--mono);font-size:12px;color:var(--text-3)}
.meta span::before{content:"› ";color:var(--text)}
.skills{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.skill{font-family:var(--mono);font-size:11px;border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--text-2);background:var(--surface)}
.ccard .go{margin-top:auto;padding-top:16px;font-family:var(--mono);font-size:13px;color:var(--text)}
.ccard:hover .go{text-decoration:underline}
.empty{border:1px dashed var(--line-2);border-radius:var(--r);padding:40px;text-align:center;color:var(--text-3);font-family:var(--mono);font-size:14px}
.section-h{margin:56px 0 18px}
.section-h h2{font-family:var(--display);font-weight:400;font-size:34px;letter-spacing:1.5px}
.section-h p{color:var(--text-3)}
.pcard{display:grid;grid-template-columns:.9fr 1.1fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;background:#fff;transition:box-shadow .2s,border-color .2s}
.pcard:hover{border-color:var(--line-2);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.pcard .cover{aspect-ratio:auto;min-height:220px}
.pcard .ccard-body{padding:26px}
.steps{list-style:none;margin-top:14px;counter-reset:s}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:baseline;padding:8px 0;border-bottom:1px dashed var(--line);font-size:15px}
.steps li::before{content:"0" counter(s);font-family:var(--mono);font-size:12px;color:var(--text-3)}

/* ---------- portadas (provisionales: degradado + variación del logo) ---------- */
.cover{position:relative;aspect-ratio:16/9;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#fff;isolation:isolate}
.cover::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:22px 22px}
.cover::after{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(to bottom,transparent 0 2px,rgba(0,0,0,.08) 3px,transparent 4px)}
.cover-redes{background:radial-gradient(120% 90% at 85% 10%,rgba(56,189,248,.55),transparent 55%),linear-gradient(135deg,#0b1026 0%,#1e3a8a 45%,#0891b2 100%)}
.cover-iot{background:radial-gradient(110% 90% at 15% 90%,rgba(251,146,60,.6),transparent 55%),linear-gradient(135deg,#1a0b2e 0%,#6d28d9 50%,#db2777 100%)}
.cover-ruta{background:radial-gradient(120% 100% at 90% 90%,rgba(167,139,250,.55),transparent 55%),linear-gradient(135deg,#022c22 0%,#047857 38%,#1d4ed8 75%,#6d28d9 100%)}
.cover .logo-mark{width:46%;filter:drop-shadow(0 6px 24px rgba(0,0,0,.35))}
.cover .logo-vertical{height:74%;width:auto;filter:drop-shadow(0 6px 24px rgba(0,0,0,.35))}
.cover .logo-full{width:52%;filter:drop-shadow(0 6px 24px rgba(0,0,0,.35))}
.cover .cprompt{position:absolute;left:14px;bottom:10px;font-family:var(--mono);font-size:11.5px;color:rgba(255,255,255,.85)}
.cover .cbadge{position:absolute;right:12px;top:12px;font-family:var(--mono);font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.35);padding:3px 9px;border-radius:999px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}

/* ---------- página de curso ---------- */
.crumbs{font-family:var(--mono);font-size:12.5px;color:var(--text-3);padding:18px 0}
.crumbs a{text-decoration:none;color:var(--text-2)}
.crumbs a:hover{text-decoration:underline}
.chero{border-radius:calc(var(--r) + 4px);aspect-ratio:auto;min-height:300px}
.chero .logo-mark{width:30%}
.chero .logo-full{width:34%}
.chero .logo-vertical{height:80%}
.course{display:grid;grid-template-columns:1fr 340px;gap:48px;padding:36px 0 90px}
.course h1{font-family:var(--display);font-weight:400;font-size:clamp(44px,6vw,72px);line-height:.98;letter-spacing:1.5px}
.course .tagline{font-size:19px;color:var(--text-2);margin-top:10px}
.course h2{font-family:var(--mono);font-size:12.5px;letter-spacing:2px;text-transform:uppercase;color:var(--text);margin:40px 0 12px}
.course p{color:var(--text-2);max-width:68ch}
.syllabus{list-style:none;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.syllabus li{display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:baseline;padding:16px 18px;border-bottom:1px solid var(--line)}
.syllabus li:last-child{border-bottom:0}
.syllabus li:nth-child(odd){background:var(--surface)}
.syllabus .n{font-family:var(--mono);font-size:13px;color:var(--text-3)}
.syllabus b{display:block;font-weight:600}
.syllabus span{color:var(--text-3);font-size:14px}
.syllabus .dur{font-family:var(--mono);font-size:12px;color:var(--text-3);white-space:nowrap}
.side{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start;border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.05)}
.side .row{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.side .row span:first-child{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-3)}
.side .stack{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.notice{margin-top:14px;font-size:13px;color:var(--text-3);border-left:2px solid var(--text);padding-left:10px}

/* ---------- pie ---------- */
.afoot{border-top:1px solid var(--line);padding:26px 0 40px}
.afoot .container{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:12px;color:var(--text-3)}
.afoot a{color:var(--text-2)}
.status-dot{color:var(--ok)}

@media(max-width:980px){
  .ahero .container{grid-template-columns:1fr}
  .catalog{grid-template-columns:1fr;gap:20px}
  .filters{position:static;display:flex;flex-wrap:wrap;gap:8px 24px}
  .filters fieldset{margin-bottom:0}
  .course{grid-template-columns:1fr}
  .side{position:static}
  .pcard{grid-template-columns:1fr}
}
@media(max-width:600px){
  .container{padding:0 16px}
  .alinks .hide-sm{display:none}
  .alogo .tag{display:none}
  .ahero .container{padding-top:44px}
  .syllabus li{grid-template-columns:40px 1fr}
  .syllabus .dur{display:none}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ============================================================
   Cursos en línea: avisos, compra, progreso, lector y audiolibro
   ============================================================ */
.alert{border-radius:10px;padding:12px 14px;font-size:14px;margin:14px 0;border:1px solid}
.alert-error{border-color:#f3b4b4;background:#fff5f5;color:#9b1c1c}
.alert-ok{border-color:#b7e4c7;background:#f2fbf5;color:#14532d}
.alert-info{border-color:var(--line-2);background:var(--surface);color:var(--text-2)}
.price-row .price{font-family:var(--mono);font-weight:700;font-size:18px;color:var(--text)}
.side form{margin:0}
.lesson-link{text-decoration:none}
.lesson-link:hover b{text-decoration:underline}
.progress{margin:12px 0 4px}
.progress .bar{height:6px;border-radius:999px;background:#eee;overflow:hidden}
.progress .bar span{display:block;height:100%;background:var(--text);border-radius:999px;transition:width .4s var(--ease)}
.progress .count{display:block;margin-top:6px}
.pay-result{max-width:720px;padding-top:64px;padding-bottom:90px}
.pay-result h1{font-family:var(--display);font-weight:400;font-size:clamp(44px,6vw,64px);letter-spacing:1.5px;line-height:1;margin:8px 0 14px}
.pay-result p{color:var(--text-2);font-size:17px}
.pay-result .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- lector ---------- */
.reader{display:grid;grid-template-columns:290px 1fr;max-width:1320px;margin:0 auto;min-height:calc(100vh - var(--nav-h))}
.toc{position:sticky;top:var(--nav-h);align-self:start;height:calc(100vh - var(--nav-h));overflow:auto;border-right:1px solid var(--line);padding:22px 18px 40px;background:var(--surface)}
.toc-course{display:block;font-family:var(--mono);font-size:12.5px;color:var(--text-2);text-decoration:none;margin-bottom:6px}
.toc-course:hover{color:var(--text)}
.toc-list{list-style:none;margin-top:14px}
.toc-list a{display:grid;grid-template-columns:30px 1fr auto;gap:8px;align-items:baseline;padding:9px 10px;border-radius:10px;text-decoration:none;color:var(--text-2);font-size:14.5px;line-height:1.35}
.toc-list a:hover{background:#efefef;color:var(--text)}
.toc-list a[aria-current="page"]{background:var(--text);color:#fff}
.toc-n{font-family:var(--mono);font-size:12px;color:inherit;opacity:.75}
.toc-m{font-family:var(--mono);font-size:11px;opacity:.6}
.lesson-col{min-width:0}
.player{position:sticky;top:var(--nav-h);z-index:20;display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 24px;background:rgba(255,255,255,.9);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line)}
.pbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);background:#fff;color:var(--text);font-size:15px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s var(--ease),background .2s}
.pbtn:hover{border-color:var(--text)}
.pbtn:active{transform:scale(.94)}
.pbtn.pmain{width:48px;height:48px;background:var(--text);color:#fff;border-color:var(--text);font-size:17px}
.pstatus{flex:1;min-width:160px;font-family:var(--mono);font-size:12px;color:var(--text-2)}
.pbar{height:4px;border-radius:999px;background:#eee;margin-top:6px;overflow:hidden}
.pbar span{display:block;height:100%;width:0;background:var(--text);transition:width .3s var(--ease)}
.psel select{height:36px;border:1px solid var(--line-2);border-radius:999px;padding:0 10px;font-family:var(--mono);font-size:12px;background:#fff;color:var(--text);max-width:200px}
.pfollow{font-family:var(--mono);font-size:12px;color:var(--text-2);display:flex;align-items:center;gap:6px;min-height:36px}
.pfollow input{accent-color:#000}
.nosupport{margin:14px 24px;font-size:14px;color:var(--text-3)}
.lesson{max-width:780px;margin:0 auto;padding:34px 24px 90px}
.lesson .kind{font-family:var(--mono);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-3)}
.lesson h1{font-family:var(--display);font-weight:400;font-size:clamp(44px,6vw,68px);line-height:.98;letter-spacing:1.5px;margin:8px 0 10px}
.lesson .lead{font-size:19px;color:var(--text-2)}
.lesson .meta{margin:14px 0 8px}
.resume{margin:18px 0 0}
.lsec{padding:30px 0 8px;border-top:1px dashed var(--line);margin-top:24px}
.lkicker{font-family:var(--mono);font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--text-3);margin-bottom:6px}
.lsec h2{font-size:26px;font-weight:600;letter-spacing:-.3px;line-height:1.25;margin-bottom:12px}
.lsec p{font-size:17px;line-height:1.75;color:#262626;margin:0 0 10px}
.say{cursor:pointer;border-radius:8px;transition:background .25s,box-shadow .25s;margin-left:-8px;margin-right:-8px;padding-left:8px;padding-right:8px}
.say:hover{background:#f6f6f6}
.say.reading{background:#fff7d6;box-shadow:inset 3px 0 0 #000}
tr.say{margin:0;padding:0}
tr.say.reading td,tr.say.reading th{background:#fff7d6}
.table-wrap{overflow-x:auto;margin:10px 0 14px;border:1px solid var(--line);border-radius:12px}
.table-wrap table{border-collapse:collapse;width:100%;font-size:15px}
.table-wrap th,.table-wrap td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table-wrap tr:last-child th,.table-wrap tr:last-child td{border-bottom:0}
.table-wrap th{font-family:var(--mono);font-weight:700;font-size:13.5px;white-space:nowrap;background:var(--surface)}
.answers{margin:14px 0 6px;border:1px solid var(--line);border-radius:12px;padding:12px 16px;background:var(--surface)}
.answers summary{cursor:pointer;font-family:var(--mono);font-size:13px;font-weight:700}
.answers ol{margin:10px 0 0 18px;color:var(--text-2);font-size:15.5px}
.answers li{margin:6px 0}
.lesson-end{margin-top:46px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:16px}
.lesson-end form{margin:0}
.lesson-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
@media(max-width:980px){
  .reader{grid-template-columns:1fr}
  .toc{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .toc-list{max-height:260px;overflow:auto}
}
@media(max-width:600px){
  .player{padding:8px 12px;gap:6px}
  .pvoice,.pfollow{display:none}
  .lesson{padding:24px 16px 70px}
  .lsec p{font-size:16.5px}
}

/* ---------- examen final y certificados ---------- */
.exam-wrap{max-width:820px;padding-top:28px;padding-bottom:90px}
.exam-wrap h1{font-family:var(--display);font-weight:400;font-size:clamp(44px,6vw,68px);line-height:.98;letter-spacing:1.5px;margin:8px 0 8px}
.exam-wrap .tagline{font-size:18px;color:var(--text-2);margin-bottom:18px}
.exam-wrap .actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:22px}
.exam-rules{border:1px solid var(--line);border-radius:var(--r);padding:6px 20px;margin:18px 0;background:#fff}
.exam-rules .row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px}
.exam-rules .row:last-child{border-bottom:0}
.exam-rules .row span:first-child{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-3)}
.missing{margin:10px 0 0 20px}
.missing li{margin:6px 0}
.field{display:flex;flex-direction:column;gap:6px;margin:16px 0}
.field label{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-2)}
.field input{height:48px;padding:0 14px;border-radius:10px;border:1px solid var(--line-2);font-size:16px;font-family:var(--sans)}
.field input:focus{outline:none;border-color:var(--text);box-shadow:0 0 0 4px rgba(0,0,0,.06)}
.exam-start .notice{margin-top:12px}
.exam-bar{position:sticky;top:var(--nav-h);z-index:15;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;margin:0 -16px 10px;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px}
.exam-bar .prompt{margin:0}
.exam-timer{font-weight:700;font-size:16px;padding:4px 12px;border:1px solid var(--line-2);border-radius:999px}
.exam-bar.low .exam-timer{background:#000;color:#fff}
fieldset.q{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px 12px;margin:16px 0;background:#fff}
fieldset.q legend{font-size:16.5px;font-weight:600;line-height:1.45;padding:0 6px;margin-left:-6px}
.qn{font-family:var(--mono);font-size:12px;color:var(--text-3);margin-right:6px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:11px 12px;border-radius:10px;cursor:pointer;font-size:15.5px;color:#262626;line-height:1.5;margin:4px 0}
.opt:hover{background:var(--surface)}
.opt input{margin-top:4px;accent-color:#000;width:17px;height:17px;flex:0 0 auto}
.opt:has(input:checked){background:#f2f2f2;box-shadow:inset 3px 0 0 #000}
.exam-submit{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px}
.score{font-family:var(--mono);font-size:22px;margin:4px 0 10px}
.cert-card{border:1px solid var(--text);border-radius:calc(var(--r) + 4px);padding:30px 28px;margin-top:18px;box-shadow:0 18px 40px rgba(0,0,0,.06)}
.cert-status{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:1.5px;color:#fff;background:#15803d;padding:5px 12px;border-radius:999px}
.cert-card h1{margin-top:14px}
.cert-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}

/* ---------- banner de cookies ---------- */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:400;display:flex;justify-content:center;pointer-events:none}
.consent[hidden]{display:none}
.consent-inner{pointer-events:auto;max-width:880px;width:100%;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:16px 18px;border-radius:16px;background:var(--bg);color:var(--text);border:1px solid var(--line-2);box-shadow:0 18px 50px rgba(0,0,0,.35)}
.consent-text{flex:1 1 380px;font-size:14px;line-height:1.55}
.consent-text b{display:block;font-family:var(--mono);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:4px}
.consent-text span{color:var(--text-2)}
.consent-text a{color:var(--text)}
.consent-actions{display:flex;gap:8px;flex-wrap:wrap}
.c-btn{min-height:44px;padding:0 18px;border-radius:999px;font-family:var(--mono);font-size:12.5px;cursor:pointer;border:1px solid var(--text)}
.c-primary{background:var(--text);color:var(--bg)}
.c-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.c-ghost:hover{border-color:var(--text)}