/* INFOTEC · estilo del sitio. Fuente de verdad: DESIGN.md (dirección C · Contraste) */
:root{
  --azul:#0866FF; --cian:#58C7E1; --rojo:#FF0033;
  --bg:#FFFFFF; --panel:#F4F6FA; --panel-2:#FFFFFF;
  --ink:#0B0D12; --ink-soft:#4B5563; --line:#E2E6EE;
  --azul-txt:#0557E0; --rojo-txt:#D6002B; --cian-txt:#0A6C82;
  --on-azul:#FFFFFF;
  --f-sans:Arial,"Helvetica Neue",Helvetica,sans-serif;
  --f-serif:Georgia,"Times New Roman",serif;
  --maxread:66ch;
}
:root[data-theme="dark"]{
  --bg:#0B0D12; --panel:#141821; --panel-2:#1A1F2B;
  --ink:#F4F6FA; --ink-soft:#AEB6C4; --line:#272D3A;
  --azul-txt:#5C9BFF; --rojo-txt:#FF5C7A; --cian-txt:#58C7E1;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{margin:0 0 1em}
h1,h2,h3{margin:0;line-height:1.08;text-wrap:balance;letter-spacing:-.015em}
h2{font-size:clamp(28px,3.8vw,46px);letter-spacing:-.02em}
h3{font-size:clamp(20px,2vw,24px)}
:focus-visible{outline:3px solid var(--azul-txt);outline-offset:3px;border-radius:6px}
.wrap{width:min(1160px,calc(100% - 32px));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:8px;background:var(--azul);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
.logo-oscuro{display:none}
:root[data-theme="dark"] .logo-oscuro{display:block}
:root[data-theme="dark"] .logo-claro{display:none}
.ital{font-family:var(--f-serif);font-style:italic;font-weight:400;color:var(--azul-txt)}
.eyebrow{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);font-weight:700}
.lead{font-size:clamp(18px,1.8vw,21px);color:var(--ink-soft);max-width:36em}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6ch;font:700 16px var(--f-sans);padding:14px 26px;min-height:48px;border-radius:999px;border:2px solid transparent;cursor:pointer;white-space:nowrap;transition:background .2s,border-color .2s}
.btn-azul{background:var(--azul);color:var(--on-azul)}
.btn-azul:hover{background:#0654d4}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn-wa{background:#25D366;color:#000}
.btn-wa:hover{background:#1fb956}
.btn-sm{padding:10px 18px;min-height:44px;font-size:15px}
.cta{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Cabecera ---------- */
header.site{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:18px;padding:10px 0}
header.site .logo{flex-shrink:0}
header.site .logo img{height:34px;width:auto;max-width:none}
nav.menu{display:flex;gap:22px;margin-left:12px;font-size:15px}
nav.menu a{color:var(--ink-soft);padding:8px 0}
nav.menu a:hover,nav.menu a[aria-current="page"]{color:var(--ink)}
.spacer{flex:1}
.fondo{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--panel)}
.fondo span{font-size:12px;color:var(--ink-soft);padding:0 8px 0 10px}
.fondo button{width:34px;height:34px;border-radius:50%;border:2px solid var(--line);cursor:pointer;padding:0}
.fondo button[data-t="light"]{background:#fff}
.fondo button[data-t="dark"]{background:#0B0D12}
.fondo button[aria-pressed="true"]{border-color:var(--azul-txt);box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--azul-txt)}
.menu-btn{display:none;min-width:44px;min-height:44px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;font:700 14px var(--f-sans);padding:0 14px}
.panel-menu{display:none;border-top:1px solid var(--line);background:var(--bg)}
.panel-menu.open{display:block}
.panel-menu a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:18px;font-weight:700}
header.site .panel-menu .wrap{display:block;padding:6px 0 18px}

/* ---------- Hero oscuro (siempre oscuro) ---------- */
.hero{background:#05070B;color:#F4F6FA;position:relative;overflow:hidden;padding:clamp(48px,8vw,112px) 0}
.hero::before{content:"";position:absolute;width:680px;height:680px;right:-160px;top:-180px;background:radial-gradient(closest-side,rgba(8,102,255,.55),transparent)}
.hero::after{content:"";position:absolute;width:520px;height:520px;left:-140px;bottom:-240px;background:radial-gradient(closest-side,rgba(255,0,51,.30),transparent)}
.hero>.wrap{position:relative;z-index:2}
.hero .grid{display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:end}
.hero .eyebrow{color:#AEB6C4}
.hero h1{font-size:clamp(40px,7vw,92px);font-weight:700;letter-spacing:-.035em;margin:18px 0 22px}
.hero .ital{color:#5C9BFF}
.hero .lead{color:#C8CFDB;margin:0 0 30px}
.hero .btn-ghost{border-color:#3A4254;color:#F4F6FA}
.hero .btn-ghost:hover{border-color:#fff}
.dots{display:flex;flex-direction:column;gap:12px}
.dots i{display:block;width:var(--d,28px);height:var(--d,28px);border-radius:50%}
.dots i:nth-child(1){background:var(--azul)}.dots i:nth-child(2){background:var(--cian)}.dots i:nth-child(3){background:var(--rojo)}
.hero .dots{--d:clamp(46px,6vw,72px);gap:clamp(14px,2vw,22px);justify-self:end;align-self:center}
.stats{display:grid;grid-template-columns:repeat(3,1fr);align-items:start;border-top:1px solid #272D3A;margin-top:56px;padding-top:22px}
.stats div{padding-right:20px}
.stats b{display:block;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em;color:#fff}
.stats span{color:#AEB6C4;font-size:14.5px}
.hero.pag{padding:clamp(32px,5vw,64px) 0 clamp(36px,5vw,64px)}
.hero.pag h1{font-size:clamp(34px,5.4vw,64px);margin:14px 0 18px;max-width:18em}
.hero.pag .lead{max-width:46em;margin-bottom:26px}
.crumbs{font-size:14px;color:#AEB6C4;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.crumbs a:hover{color:#fff}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #272D3A;margin-top:36px;padding-top:20px}
.facts div{padding-right:18px}
.facts span{display:block;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:#AEB6C4;font-weight:700;margin-bottom:4px}
.facts b{font-size:18px;color:#fff}

/* ---------- Secciones ---------- */
section.s{padding:clamp(48px,7vw,96px) 0}
section.s.alt{background:var(--panel)}
section.s h2{margin:10px 0 28px;max-width:18em}
.prose{max-width:var(--maxread)}
.prose p{color:var(--ink-soft)}
.prose strong{color:var(--ink)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:start}
.list{border-top:1px solid var(--line)}
.item{display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;padding:26px 4px;border-bottom:1px solid var(--line);transition:background .2s,padding .2s}
.item:hover{background:var(--panel);padding-inline:16px}
.item .n{font-size:14px;font-weight:700;color:var(--ink-soft)}
.item h3{font-size:clamp(24px,3.2vw,38px);letter-spacing:-.02em}
.item p{margin:6px 0 0;color:var(--ink-soft);max-width:42em}
.item .tag{margin-top:10px}
.item .go{width:48px;height:48px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:20px}
.item:hover .go{background:var(--azul);border-color:var(--azul);color:#fff}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--panel);border:1px solid var(--line)}
section.alt .tag{background:var(--bg)}
.tag i{width:9px;height:9px;border-radius:50%;display:block}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.steps div{border-top:2px solid var(--ink);padding-top:14px}
.steps b{font-size:13px;letter-spacing:.14em;color:var(--azul-txt)}
.steps h3{margin:6px 0}
.steps p{margin:0;color:var(--ink-soft);font-size:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:26px}
section.alt .card{background:var(--bg)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-soft);margin:0}
.answer{border-left:4px solid var(--azul);padding:4px 0 4px 20px;font-size:clamp(18px,1.9vw,21px);max-width:40em}

/* Campos pendientes (solo en maqueta; ver SHOW_PENDING en build/gen.py) */
.pend{border:2px dashed var(--ink-soft);border-radius:14px;padding:14px 18px;color:var(--ink-soft);font-size:15.5px;background:transparent}
.pend b{color:var(--ink)}

/* Instructor */
.who{display:flex;gap:18px;align-items:center}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-weight:700;font-size:22px;flex-shrink:0}
.who b{display:block;font-size:19px}
.who span{color:var(--ink-soft);font-size:15.5px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;font-size:18px;padding:18px 36px 18px 0;list-style:none;position:relative;min-height:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:26px;font-weight:400;color:var(--ink-soft)}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 0 20px;color:var(--ink-soft);max-width:var(--maxread)}

/* Formularios */
form.f{display:grid;gap:14px;max-width:560px}
form.f label{font-weight:700;font-size:15px}
form.f input,form.f select,form.f textarea{width:100%;font:inherit;padding:13px 14px;min-height:48px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink)}
form.f textarea{min-height:130px;resize:vertical}
form.f input:focus,form.f select:focus,form.f textarea:focus{outline:3px solid var(--azul-txt);outline-offset:1px;border-color:var(--azul-txt)}
.hp{position:absolute;left:-9999px}
.res{margin-top:14px;padding:14px 18px;border-radius:12px;background:var(--panel);border:1px solid var(--line);display:none}
.res.show{display:block}

/* Banda CTA */
.band{background:var(--azul);color:#fff;border-radius:28px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1.3fr auto;gap:24px;align-items:center}
.band h2{color:#fff;margin:0;font-size:clamp(26px,3.4vw,40px)}
.band p{margin:10px 0 0;color:#fff}
.band .btn-ghost{border-color:#fff;color:#fff}
.band .btn-ghost:hover{background:#fff;color:var(--azul)}

/* Pie */
footer.site{background:var(--panel);border-top:1px solid var(--line);padding:48px 0 28px;color:var(--ink-soft);font-size:15px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer.site h3{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:12px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer.site a:hover{color:var(--ink);text-decoration:underline}
footer.site .logo img{height:32px;width:auto;margin-bottom:14px}
footer.site .legal{border-top:1px solid var(--line);margin-top:32px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px}

/* Página 404 / gracias */
.centro{min-height:60vh;display:grid;place-items:center;text-align:center;padding:64px 0}
.centro .dots{flex-direction:row;justify-content:center;margin-bottom:28px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  nav.menu{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .fondo span{display:none}
  .two,.cards,.steps{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr;row-gap:18px}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .band{grid-template-columns:1fr}
}
@media(max-width:700px){
  .hero .grid{grid-template-columns:1fr}
  .hero .dots{flex-direction:row;justify-self:start}
  .stats{grid-template-columns:1fr;row-gap:18px}
  .item{grid-template-columns:36px 1fr 44px;gap:12px}
  .item .go{width:44px;height:44px}
  header.site .btn-sm{display:none}
}
@media(max-width:520px){footer.site .cols{grid-template-columns:1fr}.facts{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}