/* CENITEK — Sistema visual (brief v1.0) */
:root{
  --navy:#082146;
  --navy-2:#10305A;
  --navy-3:#183b69;
  --gold:#275fa5;
  --blue-soft:#5588b9;
  --gold-dark:#183b69;
  --white:#FFFFFF;
  --gray:#F3F5F7;
  --ink:#18222C;
  --muted:#5A6B7A;
  --border:#E3E8ED;
  --border-dark:rgba(255,255,255,.12);
  --radius:10px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(8,33,70,.06),0 4px 14px rgba(8,33,70,.05);
  --t:200ms ease;
  --maxw:1160px;
  --font:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul[role="list"],ol[role="list"]{list-style:none}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 var(--radius-sm) 0;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--blue-soft);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{line-height:1.2;font-weight:800;color:var(--navy)}
h1{font-size:clamp(2rem,5vw,3.15rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.4vw,2.15rem);letter-spacing:-.01em}
h3{font-size:1.13rem}
.section{padding:72px 0}
@media (max-width:720px){.section{padding:52px 0}}
.section--gray{background:var(--gray)}
.section--navy{background:var(--navy);color:#D7DEE5}
.section--navy h2,.section--navy h3{color:var(--white)}
.kicker{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:14px}
.section--navy .kicker,.hero .kicker{color:var(--blue-soft)}
.lead{font-size:1.09rem;color:var(--muted);max-width:60ch}
.section--navy .lead{color:#B9C4CE}
.center{text-align:center}
.center .lead{margin-inline:auto}
.gold-rule{width:56px;height:3px;background:var(--gold);border:0;margin:18px auto 0;border-radius:2px}
.section-head{margin-bottom:42px}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.95rem;padding:13px 26px;border-radius:var(--radius-sm);border:1.5px solid transparent;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform 150ms ease;min-height:48px}
.btn svg{width:17px;height:17px;flex:none;transition:transform var(--t)}
.btn:hover svg{transform:translateX(3px)}
.btn--gold{background:var(--gold);color:#fff}
.btn--gold:hover{background:var(--gold-dark);color:var(--white)}
.btn--outline{border-color:var(--navy);color:var(--navy)}
.btn--outline:hover{background:var(--navy);color:var(--white)}
.btn--outline-light{border-color:rgba(255,255,255,.45);color:var(--white)}
.btn--outline-light:hover{background:var(--white);color:var(--navy);border-color:var(--white)}
.btn--lg{padding:15px 32px;font-size:1rem}

/* Header */
.header{position:sticky;top:0;z-index:100;background:var(--navy);border-bottom:1px solid var(--border-dark);transition:box-shadow var(--t)}
.header.is-scrolled{box-shadow:0 4px 20px rgba(0,0,0,.35)}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding-block:10px}
.brand{display:flex;flex-direction:column;line-height:1;color:var(--white)}
.brand__name{font-size:1.5rem;font-weight:800;letter-spacing:.22em}
.brand__tag{font-size:.5rem;letter-spacing:.13em;color:var(--blue-soft);margin-top:5px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:#C4CEd8;font-size:.9rem;font-weight:600;padding:9px 12px;border-radius:6px;transition:color var(--t),background var(--t)}
.nav a:hover{color:var(--white);background:rgba(255,255,255,.07)}
.nav a[aria-current="page"]{color:var(--white);box-shadow:inset 0 -2px 0 var(--gold);border-radius:6px 6px 0 0}
.header .btn{padding:10px 20px;min-height:42px}
.nav-toggle{display:none;background:none;border:1.5px solid var(--border-dark);border-radius:var(--radius-sm);width:46px;height:44px;cursor:pointer;color:var(--white);align-items:center;justify-content:center}
@media (max-width:1020px){
  .nav-toggle{display:inline-flex}
  .header__cta{display:none}
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--navy-2);flex-direction:column;align-items:stretch;padding:16px 20px 24px;gap:6px;border-bottom:1px solid var(--border-dark);transform:translateY(-130%);transition:transform 250ms ease;box-shadow:0 20px 40px rgba(0,0,0,.4)}
  .nav.is-open{transform:translateY(0)}
  .nav a{padding:13px 14px;font-size:1rem}
  .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--gold);border-radius:6px}
  .nav .btn{margin-top:10px;justify-content:center}
}

/* Hero */
.hero{background:linear-gradient(115deg,var(--navy) 0%,var(--navy-2) 55%,var(--navy-3) 100%);color:#D7DEE5;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(85,136,185,.14),transparent 65%);pointer-events:none}
.hero__in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:84px 0}
.hero h1{color:var(--white);margin-bottom:20px}
.hero p{font-size:1.12rem;color:#B9C4CE;max-width:52ch;margin-bottom:32px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero--sub .hero__in{grid-template-columns:1fr;padding:64px 0}
@media (max-width:900px){.hero__in{grid-template-columns:1fr;padding:56px 0;gap:36px}}

/* Panel gráfico del hero (placeholder sin fotografía) */
.hero-panel{background:rgba(255,255,255,.05);border:1px solid var(--border-dark);border-radius:14px;padding:26px;backdrop-filter:blur(4px)}
.hero-panel__title{font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-soft);margin-bottom:20px}
.hero-panel__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.hero-chip{background:rgba(255,255,255,.06);border:1px solid var(--border-dark);border-radius:var(--radius-sm);padding:16px 14px;display:flex;flex-direction:column;gap:10px}
.hero-chip svg{width:26px;height:26px;color:var(--blue-soft)}
.hero-chip span{font-size:.85rem;font-weight:700;color:var(--white)}
@media (max-width:900px){.hero-panel{display:none}}

/* Barra de confianza */
.trustbar{border-bottom:1px solid var(--border)}
.trustbar__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:34px 0}
.trust{display:flex;gap:14px;align-items:flex-start}
.trust svg{width:30px;height:30px;color:var(--gold);flex:none;margin-top:2px}
.trust strong{display:block;font-size:.95rem;color:var(--navy)}
.trust p{font-size:.85rem;color:var(--muted);line-height:1.45}
@media (max-width:900px){.trustbar__grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.trustbar__grid{grid-template-columns:1fr;gap:20px}}

/* Grids y tarjetas */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform 180ms ease,box-shadow var(--t),border-color var(--t);display:flex;flex-direction:column;gap:12px}
a.card:hover{transform:translateY(-3px);box-shadow:0 8px 26px rgba(8,33,70,.11);border-color:var(--gold)}
.card__head{display:flex;align-items:center;gap:12px}
.card__head h3{margin:0}
.card__icon{flex:none;width:42px;height:42px;border-radius:10px;background:rgba(85,136,185,.14);display:inline-flex;align-items:center;justify-content:center;color:var(--gold)}
.card__icon svg{width:22px;height:22px}
.card p{font-size:.92rem;color:var(--muted)}
.card__link{margin-top:auto;color:var(--gold);font-weight:700;font-size:.9rem;display:inline-flex;align-items:center;gap:7px}
.card__link svg{width:15px;height:15px}

/* Proceso por pasos */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;counter-reset:step}
.step{text-align:center;padding:18px 10px;position:relative}
.step__num{width:42px;height:42px;border-radius:50%;background:var(--gold);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:1rem}
.step:not(:last-child)::after{content:"";position:absolute;top:39px;left:calc(50% + 30px);width:calc(100% - 60px);border-top:2px dashed #A9C3DC}
.step svg{width:28px;height:28px;margin:0 auto 10px;color:var(--navy)}
.step strong{display:block;color:var(--navy);margin-bottom:6px}
.step p{font-size:.84rem;color:var(--muted);line-height:1.45}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr);gap:20px}.step:not(:last-child)::after{display:none}}
@media (max-width:540px){.steps{grid-template-columns:1fr}}

/* Lista de diferenciadores / checks */
.checklist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:900px){.checklist{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.checklist{grid-template-columns:1fr}}
.check{display:flex;gap:12px;align-items:flex-start;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px}
.check svg{width:21px;height:21px;color:var(--gold);flex:none;margin-top:3px}
.check strong{display:block;font-size:.95rem;color:var(--navy)}
.check p{font-size:.85rem;color:var(--muted)}

/* Bloque split (texto + panel) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}}
.split h2{margin-bottom:16px}
.split .lead{margin-bottom:26px}

/* Timeline plan de carrera */
.timeline{list-style:none;position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--blue-soft),var(--navy-3))}
.timeline li{position:relative;padding:0 0 22px 14px}
.timeline li::before{content:"";position:absolute;left:-27px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--navy);border:3px solid var(--blue-soft)}
.timeline strong{color:var(--white)}
.timeline span{display:block;font-size:.85rem;color:#B9C4CE}

/* Formularios */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:.88rem;font-weight:700;color:var(--navy)}
.field .req{color:var(--gold-dark)}
.field input,.field select,.field textarea{font:inherit;font-size:.95rem;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--white);color:var(--ink);transition:border-color var(--t),box-shadow var(--t);min-height:48px}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(85,136,185,.25)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#C0392B}
.field__error{display:none;font-size:.8rem;color:#C0392B;font-weight:600}
.field__error.is-visible{display:block}
.field--check{flex-direction:row;align-items:flex-start;gap:11px}
.field--check input{min-height:0;width:19px;height:19px;margin-top:3px;accent-color:var(--gold-dark)}
.field--check label{font-weight:500;font-size:.86rem;color:var(--muted)}
.form__note{grid-column:1/-1;font-size:.82rem;color:var(--muted)}
.form-card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:34px;box-shadow:var(--shadow)}
@media (max-width:640px){.form-card{padding:24px 18px}}

/* Acordeón */
.accordion{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--white)}
.accordion details{border-bottom:1px solid var(--border)}
.accordion details:last-child{border-bottom:0}
.accordion summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:background var(--t)}
.accordion summary:hover{background:var(--gray)}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"+";font-size:1.3rem;color:var(--gold-dark);font-weight:400;transition:transform var(--t)}
.accordion details[open] summary::after{transform:rotate(45deg)}
.accordion .accordion__body{padding:0 22px 20px;color:var(--muted);font-size:.93rem}

/* Filtros catálogo */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filter-chip{font:inherit;font-size:.85rem;font-weight:700;padding:9px 18px;border-radius:999px;border:1.5px solid var(--border);background:var(--white);color:var(--muted);cursor:pointer;transition:all var(--t);min-height:40px}
.filter-chip:hover{border-color:var(--gold)}
.filter-chip[aria-pressed="true"]{background:var(--navy);color:var(--white);border-color:var(--navy)}
[data-cat].is-hidden{display:none}

/* Badges */
.badge{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:4px 11px;border-radius:999px;background:rgba(85,136,185,.16);color:var(--gold-dark)}
.badge--navy{background:rgba(8,33,70,.08);color:var(--navy)}

/* CTA final */
.cta-final{background:linear-gradient(115deg,var(--navy),var(--navy-3));color:#D7DEE5}
.cta-final__in{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:58px 0;flex-wrap:wrap}
.cta-final h2{color:var(--white);margin-bottom:10px}
.cta-final p{color:#B9C4CE;max-width:54ch}
@media (max-width:800px){.cta-final__in{flex-direction:column;align-items:flex-start}}

/* Footer */
.footer{background:var(--navy);color:#9AA7B3;font-size:.88rem}
.footer__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px;padding:58px 0 44px}
@media (max-width:900px){.footer__grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.footer__grid{grid-template-columns:1fr}}
.footer h4{color:var(--white);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
.footer a{transition:color var(--t)}
.footer a:hover{color:var(--blue-soft)}
.footer li{margin-bottom:10px}
.footer__brand p{margin-top:14px;max-width:34ch;line-height:1.55}
.footer__hrg{margin-top:18px;font-size:.8rem;color:#7C8B99}
.footer__hrg strong{color:var(--blue-soft);letter-spacing:.1em}
.footer__contact li{display:flex;gap:10px;align-items:flex-start}
.footer__contact svg{width:17px;height:17px;color:var(--blue-soft);flex:none;margin-top:3px}
.footer__bottom{border-top:1px solid var(--border-dark);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.8rem}
.footer__bottom a{color:#9AA7B3}

/* CTA fija móvil */
.mobile-cta{display:none}
@media (max-width:720px){
  .mobile-cta{display:block;position:fixed;bottom:0;left:0;right:0;z-index:90;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(8,33,70,.96);border-top:1px solid var(--border-dark);backdrop-filter:blur(8px)}
  .mobile-cta .btn{width:100%;justify-content:center}
  body{padding-bottom:76px}
}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 350ms ease,transform 350ms ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* Tablas (ficha de programa) */
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table th,.spec-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}
.spec-table th{color:var(--navy);white-space:nowrap;width:34%}
.spec-table td{color:var(--muted)}

/* Página de texto legal */
.prose{max-width:76ch}
.prose h2{margin:36px 0 14px;font-size:1.35rem}
.prose h3{margin:26px 0 10px}
.prose p,.prose li{color:#3D4B58;margin-bottom:12px;font-size:.96rem}
.prose ul,.prose ol{padding-left:22px;margin-bottom:14px}

/* Aviso interno de contenido pendiente */
.notice{border:1.5px dashed var(--gold);background:rgba(85,136,185,.07);border-radius:var(--radius-sm);padding:14px 18px;font-size:.86rem;color:var(--gold-dark);font-weight:600}

/* ===== Hero fotográfico con parallax (skill: capa de fondo únicamente, delta sutil) ===== */
.hero--photo{position:relative;overflow:hidden;display:flex;align-items:center}
.hero--tall{min-height:min(88vh,860px)}
.hero--mid{min-height:min(66vh,640px)}
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden;will-change:transform}
.hero__bg img{position:absolute;top:-14%;left:0;width:100%;height:114%;object-fit:cover;object-position:center;will-change:transform}
.hero--photo.is-ready .hero__bg{animation:heroZoom 5.5s cubic-bezier(.16,.6,.3,1) both}
@keyframes heroZoom{from{transform:scale(1.075)}to{transform:scale(1)}}
/* Velo para legibilidad del texto (contraste 4.5:1 garantizado sobre foto) */
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,33,70,.94) 0%,rgba(8,33,70,.82) 30%,rgba(8,33,70,.42) 62%,rgba(8,33,70,.28) 82%,rgba(8,33,70,.5) 100%)}
.hero__bg::before{content:"";position:absolute;left:0;right:0;bottom:0;height:130px;z-index:1;background:linear-gradient(rgba(8,33,70,0),rgba(8,33,70,.55))}
.hero--photo .hero__in{position:relative;z-index:2;grid-template-columns:1fr;width:100%}
.hero--photo .hero__content{max-width:620px}
.hero--photo.hero--mid .hero__in{padding:96px 0}
/* Entrada escalonada del contenido (250-350ms por elemento, delays cortos) */
.hero--photo .hero__content>*{opacity:0;transform:translateY(24px)}
.hero--photo.is-ready .hero__content>*{animation:heroRise .55s cubic-bezier(.2,.7,.3,1) both}
.hero--photo.is-ready .hero__content>*:nth-child(1){animation-delay:.05s}
.hero--photo.is-ready .hero__content>*:nth-child(2){animation-delay:.15s}
.hero--photo.is-ready .hero__content>*:nth-child(3){animation-delay:.25s}
.hero--photo.is-ready .hero__content>*:nth-child(4){animation-delay:.35s}
@keyframes heroRise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
/* Línea dorada que crece bajo el kicker */
.hero--photo .kicker{position:relative;padding-bottom:12px}
.hero--photo .kicker::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:56px;background:var(--blue-soft);border-radius:2px;transform:scaleX(0);transform-origin:left}
.hero--photo.is-ready .kicker::after{animation:goldGrow .6s .5s cubic-bezier(.2,.7,.3,1) both}
@keyframes goldGrow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
/* Indicador de scroll */
.hero__scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;width:46px;height:46px;display:flex;align-items:center;justify-content:center;border:1.5px solid rgba(255,255,255,.35);border-radius:50%;color:var(--white);transition:border-color var(--t),background var(--t)}
.hero__scroll:hover{border-color:var(--blue-soft);background:rgba(85,136,185,.15)}
.hero__scroll svg{width:20px;height:20px;animation:scrollNudge 2.2s ease-in-out infinite}
@keyframes scrollNudge{0%,100%{transform:translateY(-2px)}50%{transform:translateY(3px)}}
@media (max-width:720px){.hero__scroll{display:none}.hero--tall{min-height:72vh}}
/* Si la imagen no existe aún, el degradado navy del hero base sigue visible */
.hero--photo.hero--noimg .hero__bg img{display:none}
/* Reduced motion: estado final inmediato */
@media (prefers-reduced-motion:reduce){
  .hero--photo .hero__content>*{opacity:1;transform:none}
  .hero--photo .kicker::after{transform:scaleX(1)}
  .hero__bg,.hero__bg img{transform:none!important;animation:none!important}
  .hero__scroll svg{animation:none}
}

/* Logo oficial (1993x679, ratio 2.94:1) — nunca deformar: el contenedor no lo encoge */
.brand{flex:none}
.brand img{height:54px;width:auto;max-width:none;display:block;aspect-ratio:1993/679}
@media (max-width:1200px){.brand img{height:46px}}
@media (max-width:720px){.brand img{height:40px}}
.footer__brand img{height:64px;width:auto;max-width:none;aspect-ratio:1993/679;margin-bottom:6px}

/* Un solo CTA en el header: en escritorio se oculta el del menú (queda el fijo); en móvil ocurre lo inverso */
@media (min-width:1021px){.nav .btn{display:none}}