/* IA Business School — estilos del sitio
   Tokens según la Guía de Marca v1.0 (6 nov 2026). */
:root{
  --brand-navy:#0B1739;
  --brand-blue:#2563EB;
  --brand-turquoise:#34D3C6;
  --surface-ice:#F5F7FC;
  --text-primary:#18243B;
  --text-muted:#4A5872;
  --white:#FFFFFF;
  --border:#DCE3EE;
  --action-hover:#1D4ED8;
  --navy-2:#13234F;
  --on-navy:#E8EDF8;
  --on-navy-muted:#A9B6D3;
  --wa:#25D366;
  --font-heading:"Manrope", Arial, sans-serif;
  --font-body:"Inter", Arial, sans-serif;
  --radius-button:10px;
  --radius-card:12px;
  --container-max:1200px;
  --gutter:24px;
  --header-h:72px;
  color-scheme:light;
}
@media (min-width:900px){ :root{ --gutter:40px; } }

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--text-primary);font-family:var(--font-body);font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
@media (min-width:900px){ body{font-size:18px} }
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-blue)}
h1,h2,h3{font-family:var(--font-heading);color:var(--brand-navy);margin:0;text-wrap:balance}
h1{font-weight:800;font-size:36px;line-height:1.1;letter-spacing:-.02em}
h2{font-weight:700;font-size:28px;line-height:1.2;letter-spacing:-.01em}
h3{font-weight:700;font-size:20px;line-height:1.3}
@media (min-width:900px){ h1{font-size:56px} h2{font-size:40px} h3{font-size:22px} }
p{margin:0}
[hidden]{display:none!important}

.container{max-width:var(--container-max);margin:0 auto;padding-left:max(var(--gutter), env(safe-area-inset-left,0px));padding-right:max(var(--gutter), env(safe-area-inset-right,0px))}
.section{padding-block:64px}
.section-ice{background:var(--surface-ice)}
@media (min-width:900px){ .section{padding-block:96px} }

.eyebrow{font-family:var(--font-heading);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-blue)}
.eyebrow.on-dark{color:var(--brand-turquoise)}
.lead{font-size:18px;color:var(--text-muted);max-width:65ch}
.lead.on-dark{color:var(--on-navy-muted)}
@media (min-width:900px){ .lead{font-size:20px} }
.tag{font-family:var(--font-heading);font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.mono{font-family:var(--font-heading);font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-turquoise)}
.sec-head{display:grid;gap:16px;margin-bottom:40px;max-width:820px}
@media (min-width:900px){ .sec-head{margin-bottom:56px} }

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border-radius:var(--radius-button);background:var(--brand-blue);color:var(--white);font-family:var(--font-body);font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;transition:background .2s, transform .2s, box-shadow .2s}
.btn:hover{background:var(--action-hover);transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(37,99,235,.8)}
.btn:focus-visible,.tab:focus-visible,.copy:focus-visible,.link-btn:focus-visible,summary:focus-visible,.nav a:focus-visible,.wa-float:focus-visible{outline:3px solid var(--brand-navy);outline-offset:3px}
.band-navy .btn:focus-visible,.band-navy summary:focus-visible{outline-color:var(--brand-turquoise)}
.btn-ghost{background:transparent;color:var(--brand-navy);box-shadow:inset 0 0 0 1.5px var(--border)}
.btn-ghost:hover{background:var(--surface-ice);box-shadow:inset 0 0 0 1.5px var(--brand-navy)}
.btn-sm{min-height:44px;padding:10px 18px;font-size:15px}
.btn-lg{min-height:56px;padding:14px 32px;font-size:17px}
.btn-block{width:100%}
.btn-wa{background:var(--wa);color:#0B2A16}
.btn-wa:hover{background:#1EBE5A;box-shadow:0 10px 24px -12px rgba(37,211,102,.8)}

.ticks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--brand-turquoise) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.3 5 8.6l4.5-5' fill='none' stroke='%230B1739' stroke-width='1.8'/%3E%3C/svg%3E") center/11px no-repeat}
.ticks.on-dark li{color:var(--on-navy)}

/* Carga y progreso */
.loader{position:fixed;inset:0;z-index:100;background:var(--white);display:grid;place-items:center;transition:opacity .5s ease, visibility .5s}
.no-js .loader,.loaded .loader{opacity:0;visibility:hidden;pointer-events:none}
.loader-mark{display:grid;gap:18px;justify-items:center}
.loader-mark img{width:84px;height:84px;animation:loaderIn .7s cubic-bezier(.2,.7,.2,1) both}
.loader-bar{width:120px;height:3px;background:var(--border);border-radius:3px;overflow:hidden}
.loader-bar span{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--brand-blue),var(--brand-turquoise));border-radius:3px;animation:loaderBar 1s ease-in-out infinite}
@keyframes loaderIn{from{opacity:0;transform:translateY(8px) scale(.94)}to{opacity:1;transform:none}}
@keyframes loaderBar{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;pointer-events:none}
.progress span{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--brand-blue),var(--brand-turquoise))}

.skip{position:absolute;left:-9999px;top:8px;z-index:70;background:var(--brand-navy);color:#fff;padding:10px 16px;border-radius:8px}
.skip:focus{left:16px}

/* Encabezado */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s, box-shadow .2s;padding-top:env(safe-area-inset-top,0px)}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 8px 30px -20px rgba(11,23,57,.35)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:var(--header-h)}
.brand img{width:170px;height:auto}
@media (min-width:900px){ .brand img{width:190px} }
.nav{display:none;gap:28px}
.nav a{color:var(--text-primary);text-decoration:none;font-weight:500;font-size:15px;position:relative;padding-block:6px}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-blue);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav a:hover::after{transform:scaleX(1)}
@media (min-width:1080px){ .nav{display:flex} }
@media (max-width:420px){ .header-row .btn-sm{padding:10px 14px} .brand img{width:140px} }

/* Hero */
.hero{padding-block:48px 72px;background:radial-gradient(1200px 500px at 85% 10%, rgba(52,211,198,.12), transparent 60%), radial-gradient(900px 500px at 0% 100%, rgba(37,99,235,.08), transparent 60%), var(--white);overflow:hidden}
@media (min-width:900px){ .hero{padding-block:72px 96px} }
.hero-grid{display:grid;gap:48px;align-items:center}
@media (min-width:1000px){ .hero-grid{grid-template-columns:1.1fr .9fr;gap:56px} }
.hero-grid > *{min-width:0}
.hero h1{margin:16px 0 20px}
.hl{color:var(--brand-blue);background:linear-gradient(transparent 72%, rgba(52,211,198,.45) 72%, rgba(52,211,198,.45) 92%, transparent 92%);padding:0 .04em}
.hero-sub{font-family:var(--font-heading);font-weight:500;font-size:20px;line-height:1.35;color:var(--text-muted);max-width:40ch}
@media (min-width:900px){ .hero-sub{font-size:24px} }
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
@media (max-width:520px){ .hero .hero-actions .btn{width:100%} }
.hero-note{margin-top:14px;font-size:14px;color:var(--text-muted)}
.facts{list-style:none;padding:24px 0 0;margin:36px 0 0;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (min-width:640px){ .facts{grid-template-columns:repeat(4,1fr)} }
.facts strong{display:block;font-family:var(--font-heading);font-weight:800;font-size:30px;line-height:1;color:var(--brand-navy);font-variant-numeric:tabular-nums}
.facts span{display:block;margin-top:6px;font-size:14px;line-height:1.4;color:var(--text-muted)}
.hero-visual{position:relative;margin:0}
.hero-visual picture img{border-radius:var(--radius-card);box-shadow:0 40px 80px -40px rgba(11,23,57,.55), 0 0 0 1px var(--border);transform:rotate(-1.5deg)}
.hero-visual figcaption{margin-top:16px;font-size:13px;color:var(--text-muted);text-align:center}
.float-card{position:absolute;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);padding:10px 14px;font-size:13.5px;box-shadow:0 18px 40px -20px rgba(11,23,57,.45);display:flex;align-items:center;gap:8px;max-width:75%}
.float-card b{color:var(--brand-navy)}
.fc-1{top:-14px;right:-6px}
.fc-2{bottom:22px;left:-10px;flex-direction:column;align-items:flex-start;gap:0;font-size:12.5px;color:var(--text-muted)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--brand-turquoise);box-shadow:0 0 0 4px rgba(52,211,198,.25);flex:none}
@media (max-width:520px){ .fc-1{right:0;top:-18px} .fc-2{left:0;bottom:30px} }

/* Bandas azul noche */
.band{position:relative;padding-block:64px;overflow:hidden}
@media (min-width:900px){ .band{padding-block:96px} }
.band-navy{background:var(--brand-navy);color:var(--on-navy)}
.band-navy h2,.band-navy h3{color:var(--white)}
.band > .container{position:relative;z-index:1}
.diag{position:absolute;top:-10%;right:-140px;width:420px;height:130%;pointer-events:none;opacity:.9}
.diag::before,.diag::after{content:"";position:absolute;top:0;bottom:0;width:70px;transform:skewX(-24deg)}
.diag::before{right:150px;background:var(--brand-blue);opacity:.35}
.diag::after{right:100px;width:18px;background:var(--brand-turquoise);opacity:.55}
.diag-r{right:auto;left:-180px}
@media (max-width:700px){ .diag{opacity:.4} }

/* Demo */
.demo-grid{display:grid;gap:40px;align-items:start}
@media (min-width:1000px){ .demo-grid{grid-template-columns:.9fr 1.1fr;gap:56px} }
.demo-grid > *{min-width:0}
.demo-intro{display:grid;gap:18px}
@media (min-width:1000px){ .demo-intro{position:sticky;top:calc(var(--header-h) + 32px)} }
.demo-app{background:var(--white);color:var(--text-primary);border-radius:16px;padding:24px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);display:grid;gap:20px}
@media (min-width:600px){ .demo-app{padding:32px} }
.demo-form{display:grid;gap:18px}
.field{display:grid;gap:8px;border:0;padding:0;margin:0;min-width:0}
.field label,.field legend{font-weight:600;font-size:15px;color:var(--brand-navy);padding:0}
.opt{font-weight:400;color:var(--text-muted)}
.field input[type=text],.field textarea{width:100%;font:inherit;font-size:16px;color:var(--text-primary);background:var(--surface-ice);border:1.5px solid var(--border);border-radius:var(--radius-button);padding:12px 14px;min-height:48px;transition:border-color .2s, background .2s}
.field textarea{resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-blue);background:var(--white);box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.field input[aria-invalid=true]{border-color:#C2410C}
.seg{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1.5px solid var(--border);border-radius:999px;font-size:14.5px;font-weight:500;color:var(--text-primary);transition:all .2s}
.seg input:checked + span{background:var(--brand-navy);border-color:var(--brand-navy);color:var(--white)}
.seg input:focus-visible + span{outline:3px solid var(--brand-blue);outline-offset:2px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.demo-legal{font-size:12.5px;color:var(--text-muted);text-align:center}
.spinner{display:none;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.is-loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.demo-out{display:grid;gap:16px}
.demo-thinking{display:grid;gap:12px;padding:20px;border-radius:var(--radius-card);background:var(--brand-navy);color:var(--on-navy)}
.demo-thinking ol{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:15px}
.demo-thinking li{display:flex;align-items:center;gap:10px;opacity:.35;transition:opacity .3s}
.demo-thinking li::before{content:"";width:10px;height:10px;border-radius:50%;border:2px solid var(--brand-turquoise)}
.demo-thinking li.on{opacity:1}
.demo-thinking li.on::before{background:var(--brand-turquoise)}
.demo-result{display:grid;gap:18px}
.demo-result .mono{color:var(--brand-blue)}
.r-intro{font-family:var(--font-heading);font-weight:700;font-size:20px;line-height:1.35;color:var(--brand-navy)}
.r-tasks{display:grid;gap:12px}
.r-task{border:1px solid var(--border);border-radius:var(--radius-card);padding:16px;display:grid;gap:6px;animation:rise .45s cubic-bezier(.2,.7,.2,1) both}
.r-task:nth-child(2){animation-delay:.12s}.r-task:nth-child(3){animation-delay:.24s}
.r-task h4{margin:0;font-family:var(--font-heading);font-size:17px;color:var(--brand-navy);display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.r-task h4 small{font-family:var(--font-body);font-weight:600;font-size:12px;color:var(--brand-blue);background:rgba(37,99,235,.08);padding:3px 8px;border-radius:999px;white-space:nowrap}
.r-task p{font-size:15px;color:var(--text-muted)}
.r-task .r-class{font-size:13px;color:var(--text-primary);font-weight:500}
.r-prompt{background:var(--brand-navy);border-radius:var(--radius-card);overflow:hidden}
.r-prompt-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid rgba(169,182,211,.2)}
.r-prompt-head .mono{color:var(--brand-turquoise)}
.copy{font:inherit;font-size:13px;font-weight:600;color:var(--brand-navy);background:var(--brand-turquoise);border:0;border-radius:8px;padding:6px 12px;min-height:32px;cursor:pointer}
.r-prompt pre{margin:0;padding:14px;color:var(--on-navy);font-family:var(--font-body);font-size:14.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;max-height:260px;overflow:auto}
.r-build{border-left:3px solid var(--brand-turquoise);padding:4px 0 4px 14px;display:grid;gap:4px}
.r-build p{font-size:15.5px}
.r-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.r-actions .btn{flex:1 1 220px}
.link-btn{background:none;border:0;padding:8px 4px;font:inherit;font-size:14px;color:var(--text-muted);text-decoration:underline;cursor:pointer}
.demo-error{padding:14px 16px;border-radius:var(--radius-card);background:#FFF4ED;color:#7C2D12;font-size:15px}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* Tarjetas */
.grid-3{display:grid;gap:20px}
@media (min-width:860px){ .grid-3{grid-template-columns:repeat(3,1fr)} }
.grid-3 > *{min-width:0}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);padding:28px;display:grid;gap:14px;align-content:start;transition:transform .25s, box-shadow .25s, border-color .25s}
.card:hover{transform:translateY(-3px);box-shadow:0 24px 50px -30px rgba(11,23,57,.4);border-color:#C6D2E6}
.card p:not(.tag){color:var(--text-muted)}

/* Por qué */
.why{display:grid;gap:48px}
@media (min-width:960px){ .why{grid-template-columns:1fr 1fr;gap:64px} }
.why > *{min-width:0}
.stat{display:grid;gap:8px;padding:24px 0;border-top:1px solid rgba(169,182,211,.22)}
@media (min-width:600px){ .stat{grid-template-columns:120px 1fr;gap:24px} }
.stat strong{font-family:var(--font-heading);font-weight:800;font-size:48px;line-height:1;color:var(--brand-turquoise);font-variant-numeric:tabular-nums}
.stat p{color:var(--on-navy)}
.stat cite{display:block;margin-top:6px;font-style:normal;font-size:13px;color:var(--on-navy-muted)}
.benefits{display:grid;gap:26px}
.benefit{display:grid;gap:6px;padding-left:18px;border-left:2px solid var(--brand-blue)}
.benefit p{color:var(--on-navy-muted)}

/* Construir */
.build-grid{display:grid;gap:48px;align-items:start}
@media (min-width:1000px){ .build-grid{grid-template-columns:1fr 1.05fr;gap:64px} }
.build-grid > *{min-width:0}
.builds{display:grid;border-top:1px solid var(--border)}
.build{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--border)}
.build-ic{width:40px;height:40px;border-radius:10px;background:var(--surface-ice);border:1px solid var(--border);display:grid;place-items:center;font-family:var(--font-heading);font-weight:800;font-size:13px;color:var(--brand-blue)}
.build h3{margin-bottom:4px}
.build p{color:var(--text-muted);font-size:16px}
.console{background:var(--brand-navy);color:var(--on-navy);border-radius:16px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(11,23,57,.7)}
@media (min-width:1000px){ .console{position:sticky;top:calc(var(--header-h) + 24px)} }
.console-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid rgba(169,182,211,.18)}
.console-bar span{width:10px;height:10px;border-radius:50%;background:rgba(169,182,211,.35)}
.console-bar em{margin-left:auto;font-style:normal;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--brand-turquoise)}
.tabs{display:flex;flex-wrap:wrap;gap:8px;padding:16px 16px 0}
.tab{font:inherit;font-size:14px;font-weight:600;min-height:40px;padding:6px 16px;border-radius:999px;background:transparent;color:var(--on-navy-muted);border:1px solid rgba(169,182,211,.3);cursor:pointer;transition:all .2s}
.tab[aria-selected=true]{background:var(--brand-turquoise);color:var(--brand-navy);border-color:var(--brand-turquoise)}
.panel{padding:18px 16px 20px;display:grid;gap:14px}
.panel:not([hidden]){animation:rise .35s ease both}
.prompt{background:rgba(255,255,255,.06);border-radius:10px;padding:12px 14px;font-size:15.5px}
.prompt b{display:block;font-family:var(--font-heading);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-turquoise);margin-bottom:4px}
.log{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:15px}
.log li{display:grid;grid-template-columns:20px 1fr;gap:10px}
.log li::before{content:"✓";color:var(--brand-turquoise);font-weight:700}
.log li.wait{color:var(--on-navy-muted)}
.log li.wait::before{content:"●";color:#6E95FF;animation:blink 1.4s ease-in-out 3}
@keyframes blink{50%{opacity:.25}}
.console-foot{padding:0 16px 16px;font-size:12.5px;color:var(--on-navy-muted)}

/* Resultados */
.outcomes{list-style:none;margin:0;padding:0;display:grid;gap:0 48px}
@media (min-width:800px){ .outcomes{grid-template-columns:1fr 1fr} }
.outcomes li{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--border)}
.check{width:24px;height:24px;border-radius:50%;background:var(--brand-blue);display:grid;place-items:center;margin-top:2px}
.check svg{width:12px;height:12px;fill:none;stroke:#fff;stroke-width:2}

/* Temario */
.syllabus{list-style:none;margin:0;padding:0;border-top:2px solid var(--brand-navy)}
.class{display:grid;grid-template-columns:52px 1fr;gap:4px 16px;padding:24px 0;border-bottom:1px solid var(--border)}
@media (min-width:760px){ .class{grid-template-columns:72px 140px 1fr;gap:24px} }
.class > *{min-width:0}
.num{font-family:var(--font-heading);font-weight:800;font-size:30px;line-height:1;color:var(--brand-blue);grid-row:span 2}
@media (min-width:760px){ .num{font-size:36px;grid-row:auto} }
.date{font-size:14px;font-weight:600;color:var(--text-muted);padding-top:2px}
@media (min-width:760px){ .date{padding-top:8px} }
.class-body{display:grid;gap:6px}
.class-body p{color:var(--text-muted);font-size:16px}
.deliv{color:var(--text-primary)!important;font-size:15px!important}
.deliv b{font-family:var(--font-heading);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-blue);margin-right:8px}
.pause{padding:16px;border-bottom:1px solid var(--border);text-align:center;font-size:14px;font-weight:500;color:var(--text-muted);background:repeating-linear-gradient(135deg, var(--surface-ice) 0 10px, var(--white) 10px 20px)}
.labs{margin-top:40px;padding:28px;border-radius:var(--radius-card);background:var(--surface-ice);border:1px solid var(--border);display:grid;gap:20px;align-items:center}
@media (min-width:900px){ .labs{grid-template-columns:1.2fr 1fr} }
.labs > div{display:grid;gap:8px;min-width:0}
.labs p:not(.eyebrow){color:var(--text-muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:8px 14px;border-radius:999px;background:var(--white);border:1px solid var(--border);font-size:14px;font-weight:600;color:var(--brand-navy)}

/* Comparativa */
.table-wrap{overflow-x:auto;border-radius:var(--radius-card);border:1px solid var(--border);background:var(--white)}
.compare{width:100%;min-width:620px;border-collapse:collapse;font-size:16px}
.compare th,.compare td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
.compare thead th{font-family:var(--font-heading);font-weight:700;font-size:15px;color:var(--text-muted)}
.compare thead th:last-child{color:var(--white);background:var(--brand-navy)}
.compare tbody th{font-family:var(--font-heading);font-weight:700;color:var(--brand-navy);width:18%}
.compare td{color:var(--text-muted)}
.compare td:last-child{color:var(--brand-navy);font-weight:500;background:rgba(37,99,235,.05)}
.compare tr:last-child th,.compare tr:last-child td{border-bottom:0}

/* Pasos */
.steps{display:grid;gap:24px}
@media (min-width:640px){ .steps{grid-template-columns:1fr 1fr} }
@media (min-width:1000px){ .steps{grid-template-columns:repeat(4,1fr)} }
.step{border-top:3px solid var(--brand-turquoise);padding-top:18px;display:grid;gap:8px;align-content:start}
.step p:not(.tag){color:var(--text-muted);font-size:16px}

/* Certificado */
.cert-grid{display:grid;gap:48px;align-items:center}
@media (min-width:1000px){ .cert-grid{grid-template-columns:1fr 1.1fr;gap:64px} }
.cert-grid > *{min-width:0}
.cert-grid > div{display:grid;gap:20px}
.req{padding:18px 20px;border-radius:var(--radius-card);background:rgba(255,255,255,.06);border:1px solid rgba(169,182,211,.22)}
.req p{color:var(--on-navy)}
.req b{color:var(--white)}
.cert-img{margin:0}
.cert-img img{border-radius:var(--radius-card);box-shadow:0 40px 80px -30px rgba(0,0,0,.7)}
.cert-img figcaption{margin-top:12px;font-size:13px;color:var(--on-navy-muted);text-align:center}

/* Edu */
.teacher{display:grid;gap:40px;align-items:center}
@media (min-width:900px){ .teacher{grid-template-columns:380px 1fr;gap:64px} }
.teacher > *{min-width:0}
.teacher > div{display:grid;gap:18px}
.teacher-photo{margin:0;max-width:380px;position:relative}
.teacher-photo::after{content:"";position:absolute;left:-14px;bottom:-14px;width:46%;height:46%;border-left:6px solid var(--brand-turquoise);border-bottom:6px solid var(--brand-turquoise);border-radius:0 0 0 14px;z-index:-1}
.teacher-photo img{border-radius:var(--radius-card);aspect-ratio:4/5;object-fit:cover;object-position:50% 18%;width:100%}
.sign{font-family:var(--font-heading);font-weight:800;font-size:20px;color:var(--brand-navy)}
.sign span{display:block;font-family:var(--font-body);font-weight:400;font-size:15px;color:var(--text-muted)}

/* Inversión */
.price-grid{display:grid;gap:32px;align-items:start}
@media (min-width:960px){ .price-grid{grid-template-columns:1.1fr .9fr;gap:48px} }
.price-grid > *{min-width:0}
.price-card{background:var(--white);color:var(--text-primary);border-radius:16px;padding:28px;display:grid;gap:18px;box-shadow:0 0 0 2px var(--brand-turquoise), 0 40px 80px -30px rgba(0,0,0,.6)}
@media (min-width:600px){ .price-card{padding:40px} }
.price{font-family:var(--font-heading);font-weight:800;font-size:56px;line-height:1;color:var(--brand-navy)}
.price small{font-family:var(--font-body);font-weight:400;font-size:17px;color:var(--text-muted);margin-left:8px}
@media (min-width:600px){ .price{font-size:72px} }
.split{color:var(--text-muted)}
.cd{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px;text-align:center}
.cd div{background:var(--surface-ice);border-radius:10px;padding:10px 4px}
.cd strong{display:block;font-family:var(--font-heading);font-weight:800;font-size:26px;color:var(--brand-navy);font-variant-numeric:tabular-nums}
.cd span{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}
.fine{font-size:13.5px;color:var(--text-muted);text-align:center}
.price-side{display:grid;gap:24px}
.guarantee{display:grid;grid-template-columns:76px 1fr;gap:18px;padding:24px;border-radius:var(--radius-card);border:1px solid rgba(169,182,211,.25);background:rgba(255,255,255,.04)}
.guarantee h3{margin-bottom:6px}
.guarantee p{color:var(--on-navy-muted)}
.seal{width:72px;height:72px;border-radius:50%;border:2px solid var(--brand-turquoise);display:grid;place-content:center;text-align:center;font-family:var(--font-heading);font-weight:800;font-size:24px;line-height:1;color:var(--white)}
.seal small{display:block;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-turquoise);margin-top:2px}
.dates{display:grid;gap:12px}
.dates ul{list-style:none;padding:0;margin:0;display:grid}
.dates li{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid rgba(169,182,211,.18);color:var(--on-navy)}
.dates b{font-family:var(--font-heading);color:var(--brand-turquoise)}

/* FAQ */
.faq{max-width:880px;border-top:2px solid var(--brand-navy)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{list-style:none;cursor:pointer;padding:22px 48px 22px 0;position:relative;font-family:var(--font-heading);font-weight:700;font-size:18px;color:var(--brand-navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;margin-top:-7px;background:linear-gradient(var(--brand-blue),var(--brand-blue)) center/14px 2px no-repeat, linear-gradient(var(--brand-blue),var(--brand-blue)) center/2px 14px no-repeat;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.ans{padding:0 0 22px;color:var(--text-muted);max-width:70ch}

/* Cierre */
.final-inner{display:grid;gap:24px;justify-items:center;text-align:center}
.final-inner h2{max-width:24ch}
.final-inner .hero-actions{justify-content:center;margin-top:0}

/* Pie */
.footer{background:var(--brand-navy);color:var(--on-navy-muted);padding-block:40px 120px;font-size:14px}
@media (min-width:900px){ .footer{padding-block:48px} }
.footer-row{display:grid;gap:20px;align-items:center}
@media (min-width:800px){ .footer-row{grid-template-columns:auto 1fr auto;gap:40px} }

/* WhatsApp flotante */
.wa-float{position:fixed;right:max(18px, env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:55;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(0,0,0,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:32px;height:32px;fill:#fff}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--wa);opacity:.5;animation:pulse 2.4s ease-out 3;z-index:-1}
@keyframes pulse{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.6);opacity:0}}
.wa-tip{position:absolute;right:72px;white-space:nowrap;background:var(--brand-navy);color:#fff;font-size:13.5px;font-weight:600;padding:8px 12px;border-radius:8px;opacity:0;transform:translateX(6px);transition:all .25s;pointer-events:none}
.wa-float:hover .wa-tip,.wa-float.show-tip .wa-tip{opacity:1;transform:none}
@media (max-width:760px){ .wa-float{bottom:calc(84px + env(safe-area-inset-bottom,0px));width:54px;height:54px} .wa-tip{display:none} }

/* Barra móvil */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:54;display:none;align-items:center;justify-content:space-between;gap:12px;background:var(--brand-navy);color:var(--on-navy);padding-top:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px));box-shadow:0 -12px 30px -12px rgba(0,0,0,.4);transform:translateY(110%);transition:transform .3s}
.mobile-bar p{font-size:13px;line-height:1.3}
.mobile-bar strong{display:block;font-family:var(--font-heading);font-weight:800;font-size:20px;color:var(--white)}
.mobile-bar.visible{transform:none}
@media (max-width:760px){ .mobile-bar{display:flex} }


/* Horario local */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.tz-line{margin-top:8px;font-size:14px;font-weight:600;color:var(--brand-navy);display:flex;align-items:center;gap:8px}
.tz-line::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-turquoise);box-shadow:0 0 0 4px rgba(52,211,198,.25);flex:none}
.tz-banner{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:var(--radius-card);background:rgba(52,211,198,.12);border:1px solid rgba(52,211,198,.45);color:var(--brand-navy);font-size:16px;max-width:760px}
.tz-banner b{font-weight:600}
.tz-banner svg{width:20px;height:20px;flex:none;margin-top:2px;fill:none;stroke:var(--brand-navy);stroke-width:1.8}
.local{display:block;margin-top:4px;font-size:12.5px;font-weight:600;color:var(--brand-blue)}
.dl-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px}
.dl-row .btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.dl-row span{font-size:14px;color:var(--text-muted)}

/* Ventana de WhatsApp */
.wa-widget{position:fixed;right:max(18px, env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:56;display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.wa-widget .wa-float{position:relative;right:auto;bottom:auto}
.wa-badge{position:absolute;top:-2px;right:-2px;width:20px;height:20px;border-radius:50%;background:#E5484D;color:#fff;font-size:11.5px;font-weight:700;display:grid;place-items:center;border:2px solid #fff}
.wa-open .wa-badge{display:none}
.wa-panel{width:min(360px, calc(100vw - 36px));background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 30px 70px -20px rgba(11,23,57,.55), 0 0 0 1px rgba(11,23,57,.06);transform-origin:bottom right;animation:waIn .25s cubic-bezier(.2,.7,.2,1)}
@keyframes waIn{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
.wa-head{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#075E54;color:#fff}
.wa-head img{width:40px;height:40px;border-radius:50%;object-fit:cover;object-position:50% 15%;border:2px solid rgba(255,255,255,.6)}
.wa-head p{font-weight:600;font-size:15.5px;line-height:1.2}
.wa-head span{font-size:12.5px;opacity:.85}
.wa-close{margin-left:auto;width:36px;height:36px;border-radius:50%;border:0;background:rgba(255,255,255,.12);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.wa-close:focus-visible{outline:2px solid #fff;outline-offset:2px}
.wa-body{padding:16px;background:#ECE5DD;display:grid;gap:12px;max-height:46vh;overflow:auto}
.wa-bubble{background:#fff;border-radius:0 10px 10px 10px;padding:10px 12px;font-size:14.5px;line-height:1.45;color:#111B21;box-shadow:0 1px 1px rgba(0,0,0,.08);max-width:92%}
.wa-quick{display:flex;flex-wrap:wrap;gap:6px}
.wa-quick button{font:inherit;font-size:13.5px;font-weight:500;color:#075E54;background:#fff;border:1px solid #CFE9E3;border-radius:999px;padding:8px 12px;min-height:36px;cursor:pointer}
.wa-quick button:hover{background:#E7F7F2}
.wa-form{display:flex;gap:8px;align-items:flex-end;padding:10px;background:#F0F2F5}
.wa-form textarea{flex:1;min-width:0;font:inherit;font-size:16px;resize:none;border:0;border-radius:20px;padding:10px 14px;max-height:120px;background:#fff;color:#111B21}
.wa-form textarea:focus{outline:2px solid #25D366}
.wa-form button{width:44px;height:44px;flex:none;border-radius:50%;border:0;background:#25D366;display:grid;place-items:center;cursor:pointer}
.wa-form button svg{width:20px;height:20px;fill:#fff}
@media (max-width:760px){
  .wa-widget{bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  .wa-widget .wa-float{bottom:auto}
}

/* Animaciones de entrada (solo con JS y sin movimiento reducido) */
.js .stagger{opacity:0;transform:translateY(16px)}
.js.loaded .stagger{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.2,1) calc(var(--i,0) * 90ms), transform .7s cubic-bezier(.2,.7,.2,1) calc(var(--i,0) * 90ms)}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .stagger,.js .reveal{opacity:1!important;transform:none!important}
  .loader{display:none}
}