/* TWC Academy · basado en el manual de marca de Travel World Connect */
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:500;font-display:swap;src:url(fonts/inter-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:Montserrat;font-weight:600;font-display:swap;src:url(fonts/montserrat-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:Montserrat;font-weight:700;font-display:swap;src:url(fonts/montserrat-latin-700-normal.woff2) format("woff2")}

:root{
  --twc-blue:#2C4361; --twc-blue-dark:#1C2C41; --twc-blue-light:#4A6A9E; --royal:#153C7A; --mist:#8FA9D1;
  --surface:#fff; --surface-alt:#F8F9FA; --sunken:#E9ECEF; --border:#E2E8F0; --border-strong:#DEE2E6;
  --ink:#020817; --ink-body:#343A40; --ink-muted:#6C757D; --rating:#FACC15;
  --success:#15803D; --success-soft:#DCFCE7; --warn:#92400E; --warn-soft:#FEF3C7; --danger:#B42318; --danger-soft:#FEE4E2;
  --r-sm:6px; --r-btn:10px; --r-card:12px;
  --shadow-card:0 1px 3px rgba(2,8,23,.08),0 1px 2px rgba(2,8,23,.04); --shadow-float:0 10px 30px rgba(28,44,65,.12);
  --display:Montserrat,"Helvetica Neue",Arial,sans-serif; --sans:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--surface);color:var(--ink-body);font:400 16px/1.6 var(--sans);display:flex;flex-direction:column;min-height:100vh}
main{flex:1}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);letter-spacing:-.025em;margin:0 0 .5em;line-height:1.15}
h1{font-size:clamp(28px,4vw,40px);font-weight:700}
h2{font-size:clamp(22px,3vw,30px);font-weight:700}
h3{font-size:19px;font-weight:600;letter-spacing:-.01em;line-height:1.3}
p{margin:0 0 1em}
a{color:var(--twc-blue);text-underline-offset:3px}
a:hover{color:var(--royal)}
img{max-width:100%;height:auto}
:focus-visible{outline:2px solid var(--royal);outline-offset:2px}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.page{padding-top:40px;padding-bottom:72px}
.narrow{max-width:760px}
.muted{color:var(--ink-muted)}
.lead{font-size:18px;color:var(--ink-body)}
.eyebrow{display:inline-block;font:600 12px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--twc-blue);background:#EEF2F8;padding:6px 12px;border-radius:999px;margin-bottom:16px}
.tab{font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Barra demo */
.demo-bar{background:var(--twc-blue-dark);color:#fff;font-size:13px;text-align:center;padding:6px 16px}
.demo-bar a{color:var(--mist)}

/* Cabecera */
.top{border-bottom:1px solid var(--border);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:20;backdrop-filter:saturate(1.4) blur(6px)}
.top-in{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand img{height:30px;width:auto}
.brand span{font:600 15px var(--display);color:var(--twc-blue);border-left:1px solid var(--border-strong);padding-left:10px;letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:20px;margin-left:auto;font-size:15px}
.nav a{color:var(--ink-body);text-decoration:none;font-weight:500}
.nav a:hover,.nav a.on{color:var(--twc-blue)}
.nav a.on{box-shadow:inset 0 -2px 0 var(--twc-blue)}
.nav .btn{color:#fff}
.me{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--twc-blue);color:#fff!important;display:grid;place-items:center;font:600 14px var(--display)}
.quiet{color:var(--ink-muted)!important;font-weight:400!important}
.langs{display:flex;gap:2px;border:1px solid var(--border);border-radius:8px;padding:2px}
.langs a{font-size:12px;font-weight:600;padding:3px 7px;border-radius:6px;color:var(--ink-muted)}
.langs a.on{background:var(--twc-blue);color:#fff;box-shadow:none}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:500 16px/1.25 var(--sans);background:var(--twc-blue);color:#fff;border:1px solid var(--twc-blue);border-radius:var(--r-btn);padding:12px 20px;text-decoration:none;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--twc-blue-dark);color:#fff}
.btn.sm{font-size:14px;padding:8px 14px}
.btn.lg{font-size:17px;padding:14px 26px}
.btn.ghost{background:transparent;color:var(--twc-blue)}
.btn.ghost:hover{background:#EEF2F8;color:var(--twc-blue-dark)}
.btn.light{background:#fff;color:var(--twc-blue);border-color:#fff}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.btn.block{width:100%}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none}
.linklike{background:none;border:0;padding:0;color:var(--twc-blue);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* Mensajes */
.flash{margin:0 0 20px;padding:12px 16px;border-radius:var(--r-btn);background:var(--success-soft);color:#14532D;font-size:15px}
.flash.err{background:var(--danger-soft);color:var(--danger)}
.flash.info{background:#EEF2F8;color:var(--twc-blue-dark)}
.notice{border:1px solid var(--border);border-radius:var(--r-card);padding:16px 18px;background:var(--surface-alt);font-size:15px}
.notice.warn{background:var(--warn-soft);border-color:#FCD34D;color:var(--warn)}
.notice.ok{background:var(--success-soft);border-color:#86EFAC;color:#14532D}

/* Hero */
.hero{background:linear-gradient(135deg,var(--twc-blue-dark),var(--twc-blue) 60%,var(--twc-blue-light));color:#fff}
.hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding:72px 20px}
.hero h1{color:#fff;font-size:clamp(32px,4.6vw,48px)}
.hero .lead{color:#DCE5F2}
.hero .eyebrow{background:rgba(255,255,255,.12);color:#fff}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:18px}
.stat b{display:block;font:700 28px var(--display);color:#fff;font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:#DCE5F2}
.section{padding:72px 0}
.section.alt{background:var(--surface-alt)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head p{margin:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{border-top:2px solid var(--twc-blue);padding-top:16px}
.step::before{counter-increment:s;content:"0" counter(s);font:700 14px var(--display);color:var(--twc-blue-light)}
.step h3{margin-top:8px}
.step p{font-size:15px;margin:0}

/* Tarjetas de curso */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-card)}
.course{display:flex;flex-direction:column;text-decoration:none;color:inherit;overflow:hidden;transition:box-shadow .15s,transform .15s}
.course:hover{box-shadow:var(--shadow-float);transform:translateY(-2px);color:inherit}
.cover{aspect-ratio:16/9;background:var(--sunken) center/cover no-repeat;position:relative}
.cover .chip{position:absolute;left:12px;top:12px}
.chip{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:var(--r-sm);background:var(--sunken);color:var(--ink-body)}
.cover .chip{background:rgba(255,255,255,.94)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{margin-bottom:6px}
.card-body .muted{font-size:15px;margin-bottom:14px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;border-top:1px solid var(--border)}
.meta{font-size:13px;color:var(--ink-muted)}
.price{font:700 16px var(--display);color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.price.free{color:var(--success)}
.bar{height:6px;background:var(--sunken);border-radius:6px;overflow:hidden;margin-top:12px}
.bar i{display:block;height:100%;background:var(--twc-blue);border-radius:6px}

/* Filtros */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;align-items:center}
.filters input[type=search]{flex:1;min-width:220px}
.seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--r-btn);overflow:hidden}
.seg a{padding:9px 14px;font-size:14px;text-decoration:none;color:var(--ink-body);border-left:1px solid var(--border-strong)}
.seg a:first-child{border-left:0}
.seg a.on{background:var(--twc-blue);color:#fff}

/* Formularios */
label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:14px}
label small{font-weight:400;color:var(--ink-muted)}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=number],input[type=url],input[type=date],select,textarea{display:block;width:100%;margin-top:6px;font:400 16px/1.4 var(--sans);color:var(--ink);background:#fff;border:1px solid var(--border-strong);border-radius:var(--r-btn);padding:11px 13px}
.filters input,.filters select{margin-top:0;width:auto}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--royal);outline-offset:0;border-color:var(--royal)}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--ink-body)}
.check input{margin-top:4px;width:18px;height:18px;flex-shrink:0;accent-color:var(--twc-blue)}
.form-card{max-width:440px;margin:24px auto;padding:32px}
.form-card h1{font-size:28px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:8px}
.help{font-size:13px;color:var(--ink-muted);margin-top:-8px;margin-bottom:14px}

/* Página de curso */
.course-head{background:var(--surface-alt);border-bottom:1px solid var(--border)}
.course-head-in{display:grid;grid-template-columns:1fr 380px;gap:48px;padding:48px 20px}
.crumbs{font-size:14px;color:var(--ink-muted);margin-bottom:14px}
.crumbs a{color:var(--ink-muted)}
.facts{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--ink-body);margin-top:18px}
.facts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--twc-blue-light);margin-right:8px;vertical-align:2px}
.buy{position:sticky;top:88px;padding:0;overflow:hidden;align-self:start}
.buy .cover{border-radius:0}
.buy-body{padding:22px}
.buy .big-price{font:700 32px var(--display);color:var(--ink);margin-bottom:4px;font-variant-numeric:tabular-nums}
.buy ul{list-style:none;padding:0;margin:16px 0 0;font-size:14px}
.buy li{padding:7px 0;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:12px}
.buy li b{font-weight:600;color:var(--ink);text-align:right}
.course-body{display:grid;grid-template-columns:1fr 380px;gap:48px;padding-top:40px;padding-bottom:72px}
.prose{font-size:16px}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.3em 0}
.prose img{border-radius:var(--r-card)}
.prose blockquote{margin:1em 0;padding:12px 18px;border-left:3px solid var(--twc-blue);background:var(--surface-alt);border-radius:0 var(--r-btn) var(--r-btn) 0}
.syllabus{list-style:none;padding:0;margin:0;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden}
.syllabus li{display:flex;gap:14px;align-items:center;padding:14px 18px;border-top:1px solid var(--border);font-size:15px}
.syllabus li:first-child{border-top:0}
.syllabus .n{font:600 13px var(--display);color:var(--twc-blue-light);width:22px;font-variant-numeric:tabular-nums}
.syllabus .k{margin-left:auto;font-size:13px;color:var(--ink-muted);white-space:nowrap}
.syllabus .done .n{color:var(--success)}
.syllabus a{color:var(--ink);text-decoration:none}
.syllabus a:hover{color:var(--twc-blue)}

/* Reproductor */
.player-layout{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 68px)}
.player-side{border-right:1px solid var(--border);background:var(--surface-alt);padding:20px 0;overflow:auto;max-height:calc(100vh - 68px);position:sticky;top:68px}
.player-side h2{font-size:16px;padding:0 20px;margin-bottom:6px}
.player-side .bar{margin:8px 20px 16px}
.player-side ol{list-style:none;margin:0;padding:0}
.player-side li a{display:flex;gap:10px;padding:11px 20px;color:var(--ink-body);text-decoration:none;font-size:14px;line-height:1.4;border-left:3px solid transparent}
.player-side li a:hover{background:#fff}
.player-side li a.on{background:#fff;border-left-color:var(--twc-blue);color:var(--ink);font-weight:500}
.tick{flex-shrink:0;width:18px;height:18px;border-radius:50%;border:1.5px solid var(--border-strong);margin-top:1px;display:grid;place-items:center}
.tick.ok{background:var(--success);border-color:var(--success)}
.tick.ok::after{content:"";width:8px;height:4px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.side-extra{padding:16px 20px;border-top:1px solid var(--border);margin-top:12px;font-size:14px}
.side-extra a{display:block;margin:6px 0}
.player-main{padding:28px 40px 72px;max-width:1000px}
.timer{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;background:var(--warn-soft);color:var(--warn);padding:5px 10px;border-radius:999px;margin-bottom:14px}
.video{position:relative;background:#000;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;margin-bottom:24px;user-select:none}
.video video,.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.watermark{position:absolute;left:8%;top:12%;font-size:12px;color:rgba(255,255,255,.5);pointer-events:none;text-shadow:0 1px 2px rgba(0,0,0,.6);white-space:nowrap;transition:left 1.2s ease,top 1.2s ease;z-index:2}
.video:fullscreen{border-radius:0;aspect-ratio:auto}
.video:fullscreen .watermark{font-size:16px}
.vfs{position:absolute;top:10px;right:10px;z-index:3;width:36px;height:36px;border:0;border-radius:8px;background:rgba(0,0,0,.45);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:.75;transition:opacity .15s}
.vfs:hover,.vfs:focus-visible{opacity:1}

/* Visor del manual online */
.reader{max-width:1040px;margin:0 auto;padding:0 16px 64px}
.reader-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:space-between;padding:18px 0 14px;border-bottom:1px solid var(--border);font-size:14px}
body.reading{background:var(--surface-alt)}
.reader-title{font-weight:600}
.reader-tools{display:flex;align-items:center;gap:8px}
.reader-tools .btn{min-width:36px;padding-inline:0;justify-content:center}
.reader-note{font-size:13px;margin:12px 0 20px}
.reader-pages{--rd-w:980px;display:flex;flex-direction:column;align-items:center;gap:18px;overflow-x:auto;user-select:none;-webkit-user-select:none}
.rd-page{width:min(var(--rd-w),100%);background:#fff;box-shadow:0 1px 3px rgba(2,8,23,.12),0 8px 24px rgba(2,8,23,.06);border-radius:4px;overflow:hidden}
.rd-page canvas{display:block;width:100%;height:auto;pointer-events:none}
@media print{body.reading main,body.reading .top,body.reading .foot{display:none!important}body.reading::after{content:"Este manual solo se puede leer en línea.";display:block;padding:40px;font:16px sans-serif}}
.lesson-nav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:20px;margin-top:28px}

.player-layout>.flash{grid-column:1/-1;margin:0;border-radius:0}
.timer b{white-space:nowrap}

/* Examen */
.q{padding:20px 0;border-top:1px solid var(--border)}
.q:first-of-type{border-top:0}
.q h3{font-size:17px;display:flex;gap:10px}
.q h3 .n{color:var(--twc-blue-light);font-variant-numeric:tabular-nums}
.opt{display:flex;gap:12px;align-items:flex-start;padding:11px 14px;border:1px solid var(--border);border-radius:var(--r-btn);margin:8px 0;font-weight:400;cursor:pointer;color:var(--ink-body)}
.opt:hover{border-color:var(--twc-blue-light)}
.opt input{margin-top:4px;accent-color:var(--twc-blue)}
.opt:has(input:checked){border-color:var(--twc-blue);background:#EEF2F8}
.opt.right{border-color:var(--success);background:var(--success-soft)}
.opt.wrong{border-color:var(--danger);background:var(--danger-soft)}
.exam-bar{position:sticky;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--border);padding:14px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px}
.result{text-align:center;padding:40px 24px}
.result .score{font:700 64px/1 var(--display);color:var(--ink);font-variant-numeric:tabular-nums;margin:12px 0}
.result.pass .score{color:var(--success)}

/* Certificado */
.cert-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 24px}
.cert{width:100%;max-width:1040px;margin:0 auto;aspect-ratio:1.414/1;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-float);position:relative;overflow:hidden;color:var(--ink)}
.cert-band{position:absolute;inset:0 auto 0 0;width:28%;background:linear-gradient(160deg,var(--twc-blue-dark),var(--twc-blue) 65%,var(--twc-blue-light));display:flex;flex-direction:column;justify-content:space-between;padding:6% 4%}
.cert-band img{width:72%}
.cert-band .seal{color:#DCE5F2;font-size:clamp(9px,1.1vw,13px);line-height:1.5}
.cert-band .seal b{display:block;color:#fff;font:600 clamp(10px,1.2vw,14px) var(--display);letter-spacing:.02em}
.cert-main{position:absolute;inset:0 0 0 28%;padding:7% 7% 6%;display:flex;flex-direction:column}
.cert-kicker{font:600 clamp(10px,1.2vw,14px) var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--twc-blue-light)}
.cert-title{font:700 clamp(22px,3.6vw,44px)/1.05 var(--display);letter-spacing:-.025em;margin:2% 0 6%}
.cert-label{font-size:clamp(10px,1.2vw,14px);color:var(--ink-muted)}
.cert-name{font:700 clamp(20px,3.4vw,40px)/1.1 var(--display);color:var(--twc-blue);margin:1% 0 4%;letter-spacing:-.02em}
.cert-course{font:600 clamp(13px,1.9vw,22px)/1.25 var(--display);margin:1% 0 0}
.cert-foot{margin-top:auto;display:grid;grid-template-columns:1.3fr 1fr 1.3fr auto;align-items:end;gap:4%;font-size:clamp(8px,1vw,12px);color:var(--ink-muted)}
.cert-foot b.tab{white-space:nowrap}
.cert-foot b{display:block;color:var(--ink);font-size:clamp(9px,1.15vw,14px);font-weight:600}
.cert-sign{border-top:1px solid var(--ink);padding-top:6px}
.cert-qr{width:clamp(56px,9vw,104px);height:auto}

/* Tablas y panel */
.tablewrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r-card)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-weight:600;color:var(--ink);background:var(--surface-alt);padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--sunken);color:var(--ink-body);white-space:nowrap}
.pill.ok{background:var(--success-soft);color:#14532D}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--danger-soft);color:var(--danger)}
.pill.blue{background:#EEF2F8;color:var(--twc-blue)}
.admin-layout{display:grid;grid-template-columns:220px 1fr;gap:36px}
.admin-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:96px;align-self:start}
.admin-nav a{padding:9px 12px;border-radius:8px;text-decoration:none;color:var(--ink-body);font-size:15px}
.admin-nav a.on,.admin-nav a:hover{background:#EEF2F8;color:var(--twc-blue)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.kpi{padding:18px}
.kpi b{display:block;font:700 28px var(--display);color:var(--ink);font-variant-numeric:tabular-nums}
.kpi span{font-size:14px;color:var(--ink-muted)}
.panel{padding:24px;margin-bottom:24px}
.panel h2{font-size:20px}
.head-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.head-row h1{margin:0}
.inline{display:inline}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:24px;overflow-x:auto}
.tabs a{padding:10px 14px;text-decoration:none;color:var(--ink-muted);font-weight:500;border-bottom:2px solid transparent;white-space:nowrap}
.tabs a.on{color:var(--twc-blue);border-bottom-color:var(--twc-blue)}
.drag{cursor:grab;color:var(--ink-muted)}
code{font-size:.9em;background:var(--sunken);padding:1px 5px;border-radius:4px}

/* Foro */
.topic{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--border);align-items:flex-start}
.topic:first-child{border-top:0}
.topic h3{font-size:17px;margin:0 0 4px}
.topic h3 a{color:var(--ink);text-decoration:none}
.topic .count{margin-left:auto;text-align:center;min-width:64px;font-size:13px;color:var(--ink-muted)}
.topic .count b{display:block;font:700 18px var(--display);color:var(--ink)}
.post{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--border)}
.post .avatar{flex-shrink:0}
.post-meta{font-size:13px;color:var(--ink-muted);margin-bottom:6px}
.post-meta b{color:var(--ink)}

.empty{text-align:center;padding:48px 20px;border:1px dashed var(--border-strong);border-radius:var(--r-card);color:var(--ink-muted)}
.empty h3{color:var(--ink)}

/* Pie */
.foot{background:var(--twc-blue-dark);color:#DCE5F2;padding:40px 0 28px;font-size:14px}
.foot-in{display:grid;grid-template-columns:1fr auto;gap:24px}
.foot-logo{height:34px;width:auto;margin-bottom:12px}
.foot p{margin:0}
.foot-links{display:flex;gap:20px;flex-wrap:wrap;align-items:start}
.foot a{color:#fff;text-decoration:none}
.foot a:hover{color:var(--mist)}
.copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;color:var(--mist)}

/* Modal */
dialog{border:0;border-radius:var(--r-card);padding:28px;max-width:480px;width:calc(100% - 32px);box-shadow:var(--shadow-float);color:var(--ink-body)}
dialog::backdrop{background:rgba(2,8,23,.5)}
dialog h2{font-size:22px}

/* Responsive */
@media (max-width:960px){
  .hero-in,.course-head-in,.course-body{grid-template-columns:1fr}
  .buy{position:static}
  .steps{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .admin-layout{grid-template-columns:1fr}
  .admin-nav{flex-direction:row;overflow-x:auto;position:static}
  .player-layout{grid-template-columns:1fr}
  .player-side{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--border)}
  .player-main{padding:20px 20px 60px}
}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 16px;box-shadow:var(--shadow-float)}
  .nav-open .nav{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--border)}
  .nav a.on{box-shadow:none}
  .nav .btn{margin-top:12px}
  .me{padding:12px 0}
  .langs{align-self:flex-start;margin-top:12px}
}
@media (max-width:600px){
  .page{padding-top:28px}
  .hero-in{padding:48px 20px}
  .section{padding:48px 0}
  .steps,.row,.row3{grid-template-columns:1fr}
  .form-card{padding:24px;margin:8px auto}
  .foot-in{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:start}
}

/* Impresión del certificado */
@media print{
  @page{size:A4 landscape;margin:0}
  body{background:#fff}
  .top,.foot,.demo-bar,.cert-actions,.flash,.no-print{display:none!important}
  .page{padding:0;max-width:none}
  .cert{max-width:none;width:297mm;height:210mm;aspect-ratio:auto;border:0;box-shadow:none;-webkit-print-color-adjust:exact;print-color-adjust:exact}
}