:root{
  --azul:#0d2d62;
  --azul2:#1766bb;
  --oscuro:#09234b;
  --dorado:#e9b949;
  --texto:#243449;
  --gris:#64748b;
  --fondo:#f2f6fc;
  --ancho:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--texto);background:#fff}
a{text-decoration:none}
img{max-width:100%}
.site-shell{width:min(calc(100% - 40px),var(--ancho));margin:auto}

/* ENCABEZADO */

header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--oscuro);
  box-shadow:0 3px 16px #0002;
  transition:background .25s;
}

header.scrolled{background:rgba(9,35,75,.97)}
.menu{width:min(calc(100% - 40px),var(--ancho));height:86px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px}
.logo-menu{display:block;width:82px;max-height:70px;object-fit:contain}
.nav{display:flex;align-items:center}
.nav-menu{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.nav-menu a{display:block;padding:12px 15px;border-radius:12px;color:#fff;font-size:14px;font-weight:650;transition:background .2s}
.nav-menu a:hover,.nav-menu a.active{background:#ffffff20}
.nav-menu .nav-cta{background:var(--dorado);color:var(--oscuro)}
.nav-menu .nav-cta:hover{background:#f7ce68}
#check{display:none}
.checkbtn{display:none;color:#fff;font-size:28px;cursor:pointer}

/* VIDEO INSTITUCIONAL */

.hero{
  position:relative;
  height:min(72vh,720px);
  min-height:380px;
  background:var(--oscuro);
  overflow:hidden;
}

.banner-video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}

/* LEMA INSTITUCIONAL */

.hero-lema{
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  min-height:155px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:25px 30px;
  overflow:hidden;
  background:linear-gradient(
    90deg,
    rgba(5,23,55,.72),
    rgba(15,49,97,.52),
    rgba(5,23,55,.72)
  );
  backdrop-filter:blur(5px);
  -webkit-backdrop-filter:blur(5px);
  border-top:1px solid rgba(255,255,255,.25);
  z-index:2;
  pointer-events:none;
}

.hero-lema::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:55%;
  height:2px;
  background:linear-gradient(90deg,transparent,#e9b949,transparent);
}

.hero-lema-contenido{
  position:relative;
  z-index:2;
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
}

.hero-lema-principal{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:25px;
  width:100%;
}

.hero-lema-texto{
  font-family:"Cinzel",Georgia,serif;
  font-size:clamp(32px,5vw,68px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:1px;
  text-align:center;
  color:#f6df9e;
  text-shadow:
    0 3px 5px rgba(0,0,0,.65),
    0 0 18px rgba(255,121,0,.75);
  animation:lema-entrada 1.5s ease-out both,
            lema-resplandor 5s ease-in-out 1.5s infinite;
}

.hero-lema-linea{
  width:65px;
  height:3px;
  flex-shrink:0;
  border-radius:5px;
  background:linear-gradient(90deg,transparent,#e9b949,transparent);
  box-shadow:0 0 12px rgba(255,121,0,.55);
}

.hero-lema-valores{
  margin:0;
  color:#fff;
  font-family:Inter,"Segoe UI",Arial,sans-serif;
  font-size:clamp(12px,1.3vw,17px);
  font-weight:650;
  letter-spacing:3px;
  line-height:1.5;
  text-align:center;
  text-transform:uppercase;
  text-shadow:0 2px 8px rgba(0,0,0,.5);
  animation:lema-entrada 1.8s ease-out both;
}

.hero-lema-valores span{
  color:#e9b949;
  padding:0 6px;
}

@keyframes lema-entrada{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}

@keyframes lema-resplandor{
  0%,100%{
    text-shadow:0 3px 5px rgba(0,0,0,.65),0 0 12px rgba(233,185,73,.25);
  }
  50%{
    text-shadow:0 3px 5px rgba(0,0,0,.65),0 0 28px rgba(233,185,73,.75),0 0 45px rgba(233,185,73,.25);
  }
}

/* BIENVENIDA */

.intro-section{padding:85px 0;background:linear-gradient(145deg,#fff 45%,#edf5ff)}
.intro-content{display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:48px}
.intro-badge{display:inline-flex;align-items:center;gap:9px;padding:10px 16px;border-radius:30px;background:#e6f0ff;color:var(--azul2);font-weight:750;margin-bottom:20px}
.intro-copy h1{font-size:clamp(34px,4vw,56px);line-height:1.13;letter-spacing:-.03em;color:var(--azul);margin:0 0 22px}
.intro-copy>p{font-size:17px;line-height:1.85;color:#586a7e;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 22px;border-radius:30px;font-size:14px;font-weight:800;transition:transform .25s}
.btn-primary{background:var(--dorado);color:var(--oscuro)}
.btn-secondary{background:var(--azul);color:#fff}
.btn-primary:hover,.btn-secondary:hover{transform:translateY(-3px)}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.stat{background:#fff;border:1px solid #e1eaf6;border-radius:17px;padding:18px;box-shadow:0 8px 25px #0d2d620d}
.stat strong{display:block;font-size:27px;color:var(--azul);margin-bottom:7px}
.stat span{display:block;color:var(--gris);font-size:13px;line-height:1.5}
.intro-panel{padding:32px;border-radius:25px;background:var(--azul);color:#fff;box-shadow:0 20px 50px #0d2d6230}
.intro-panel h2{font-size:27px;margin:0 0 15px}
.intro-panel p{color:#dbe7fa;line-height:1.75}
.hero-list{padding:0;margin:22px 0 0;list-style:none;display:grid;gap:12px}
.hero-list li{display:flex;align-items:flex-start;gap:12px;padding:13px;border-radius:12px;background:#ffffff13;line-height:1.5;font-size:14px}
.hero-list i{color:var(--dorado);margin-top:3px}

/* TÍTULOS Y SECCIONES */

.section,.oferta-section{padding:85px 0}
.section-title{text-align:center;max-width:820px;margin:0 auto 46px}
.eyebrow{display:inline-block;font-size:12px;font-weight:850;letter-spacing:2px;color:var(--azul2);margin-bottom:13px}
.section-title h2{font-size:clamp(30px,4vw,45px);line-height:1.2;color:var(--azul);margin:0 0 18px}
.section-title p{font-size:16px;line-height:1.8;color:var(--gris);margin:0}

/* OFERTA ACADÉMICA */

.oferta-section{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 0% 25%,#ffe6a080 0,transparent 28%),
    radial-gradient(circle at 100% 80%,#b3efc580 0,transparent 30%),
    linear-gradient(135deg,#f9fcff,#edf5ff);
}

.oferta-section::before{
  content:"";
  position:absolute;
  width:250px;
  height:250px;
  border-radius:50%;
  background:#80c5ff33;
  left:-165px;
  bottom:30px;
  pointer-events:none;
}

.oferta-section::after{
  content:"";
  position:absolute;
  width:250px;
  height:250px;
  border-radius:50%;
  background:#a9e9a744;
  right:-165px;
  top:130px;
  pointer-events:none;
}

.oferta-section>.site-shell{position:relative;z-index:1}
.oferta-encabezado{max-width:850px}

.oferta-encabezado .eyebrow{
  display:inline-flex;
  align-items:center;
  padding:11px 23px;
  border-radius:30px;
  background:#187cff;
  color:#fff;
  box-shadow:0 7px 20px #187cff30;
}

.oferta-encabezado h2 span{color:#187cff}

.oferta-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
  align-items:stretch;
}

.oferta-card{
  --acento:#ffbf16;
  --acento-oscuro:#9b6400;
  --fondo-card:#fff6d9;
  display:flex;
  flex-direction:column;
  min-width:0;
  background:var(--fondo-card);
  border:2px solid var(--acento);
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 12px 35px #0d2d6217;
  transition:transform .3s,box-shadow .3s;
}

.oferta-card:hover{transform:translateY(-8px);box-shadow:0 22px 48px #0d2d6229}
.oferta-prebasica{--acento:#ffbf16;--acento-oscuro:#9b6400;--fondo-card:#fff6d9}
.oferta-basica{--acento:#2385f5;--acento-oscuro:#075db7;--fondo-card:#e9f4ff}
.oferta-media{--acento:#41c86c;--acento-oscuro:#087d3a;--fondo-card:#e9faee}

.oferta-imagen{width:100%;height:245px;position:relative;overflow:hidden;background:#dbeafe}
.oferta-imagen img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .5s}
.oferta-card:hover .oferta-imagen img{transform:scale(1.04)}

.oferta-contenido{
  display:flex;
  flex:1;
  flex-direction:column;
  align-items:flex-start;
  position:relative;
  padding:38px 26px 30px;
  background:
    radial-gradient(circle at 95% 95%,var(--acento) 0 10%,transparent 10.5%),
    linear-gradient(155deg,#fff 5%,var(--fondo-card) 100%);
}

.oferta-icono{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:center;
  width:70px;
  height:70px;
  margin-top:-75px;
  margin-bottom:17px;
  flex-shrink:0;
  border:5px solid #fff;
  border-radius:50%;
  background:var(--acento);
  color:#09265b;
  font-size:27px;
  box-shadow:0 7px 18px #0002;
}

.oferta-nivel{color:var(--acento-oscuro);font-size:11px;letter-spacing:1.3px;font-weight:850;line-height:1.5}
.oferta-contenido h3{color:var(--azul);font-size:26px;margin:12px 0 16px}
.oferta-contenido p{color:#40516d;font-size:15px;line-height:1.8;margin:0 0 27px}

.oferta-contenido .oferta-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:15px;
  min-height:48px;
  margin-top:auto;
  padding:8px 9px 8px 21px;
  border-radius:30px;
  background:var(--acento);
  color:#09265b;
  font-size:14px;
  font-weight:850;
  transition:transform .25s,filter .25s;
}

.oferta-contenido .oferta-link:hover{transform:translateY(-3px);filter:brightness(1.04)}
.oferta-flecha{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#09265b;color:#fff}
.oferta-accion{text-align:center;margin-top:45px}

.oferta-boton{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:17px 30px;
  border-radius:50px;
  background:linear-gradient(135deg,var(--azul),var(--azul2));
  color:#fff;
  font-weight:800;
  box-shadow:0 12px 28px #0d2d6233;
  transition:transform .3s;
}

.oferta-boton:hover{transform:translateY(-3px);color:#fff}

/* ACCESOS RÁPIDOS MULTICOLOR */

.quick-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}

.quick-card{
  --color:#ffb900;
  --color-suave:#fff8e7;
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  text-align:left;
  gap:9px;
  min-width:0;
  min-height:190px;
  padding:28px 26px;
  overflow:hidden;
  border:1.5px solid var(--color);
  border-radius:21px;
  background:linear-gradient(135deg,#fff 0%,var(--color-suave) 100%);
  box-shadow:0 10px 28px #0d2d6210;
  transition:transform .3s ease,box-shadow .3s ease;
}

.quick-card:nth-child(1){--color:#ffb900;--color-suave:#fff8e7}
.quick-card:nth-child(2){--color:#168cf0;--color-suave:#eaf6ff}
.quick-card:nth-child(3){--color:#7839f7;--color-suave:#f5edff}
.quick-card:nth-child(4){--color:#21bf55;--color-suave:#ebfbed}
.quick-card:nth-child(5){--color:#ff3658;--color-suave:#fff0f3}
.quick-card:nth-child(6){--color:#ff7900;--color-suave:#fff3e8}
.quick-card:nth-child(7){--color:#08b4b2;--color-suave:#e7fbfa}
.quick-card:nth-child(8){--color:#168cf0;--color-suave:#eaf6ff}
.quick-card:nth-child(9){--color:#7839f7;--color-suave:#f5edff}
.quick-card:nth-child(10){--color:#21bf55;--color-suave:#ebfbed}
.quick-card:nth-child(11){--color:#fa43ac;--color-suave:#fff0f9}
.quick-card:nth-child(12){--color:#ffb900;--color-suave:#fff8e7}

.quick-card::before,
.quick-card::after,
.quick-card strong::after{content:none;display:none}

.quick-card > i{
  display:flex;
  align-items:center;
  justify-content:center;
  width:68px;
  height:68px;
  min-width:68px;
  margin:0 0 5px;
  border-radius:50%;
  background:var(--color);
  color:#fff;
  font-size:28px;
  box-shadow:0 6px 15px #00000010;
  transition:transform .3s ease;
}

.quick-card strong{display:block;max-width:100%;color:#09265b;font-size:17px;font-weight:850;line-height:1.35}
.quick-card > span{display:block;max-width:100%;color:#536a8d;font-size:13px;line-height:1.5}
.quick-card:hover{transform:translateY(-6px);box-shadow:0 20px 38px #0d2d6220}
.quick-card:hover > i{transform:scale(1.07)}
.quick-card:focus-visible{outline:3px solid var(--color);outline-offset:4px}

/* PLATAFORMA DIGITAL */

.platform-section{background:var(--fondo)}
.spotlight{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border-radius:25px;background:#fff;box-shadow:0 14px 45px #0d2d6219}
.spotlight-image{min-height:390px;background:#e5effb}
.spotlight-image img{width:100%;height:100%;object-fit:cover;display:block}
.spotlight-content{padding:48px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.spotlight-content h2{font-size:clamp(28px,3vw,40px);color:var(--azul);line-height:1.2;margin:0 0 20px}
.spotlight-content h3{color:var(--azul);margin:10px 0 0}
.spotlight-content p{color:var(--gris);line-height:1.8}
.spotlight-content .btn-primary{margin-top:12px}

/* SERVICIOS DIGITALES */

.features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}
.feature-card{background:#fff;border:1px solid #e4ecf6;border-radius:20px;overflow:hidden;box-shadow:0 12px 36px #0d2d6214;transition:transform .25s,box-shadow .25s}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 22px 46px #0d2d6226}
.feature-card>img{display:block;width:100%;height:230px;object-fit:cover;background:#eaf1fa}
.feature-content{padding:27px}
.feature-content h3{color:var(--azul);font-size:21px;margin:0 0 12px}
.feature-content p{font-size:15px;color:var(--gris);line-height:1.8;min-height:80px;margin:0 0 15px}
.feature-content a{display:inline-flex;align-items:center;gap:12px;color:var(--azul);font-weight:800;margin-top:12px}
.feature-content a:hover{color:var(--azul2)}

/* VALORES INSTITUCIONALES */

.values-section{text-align:center;padding:75px 0;background:linear-gradient(135deg,#09234b,#155ba6);color:#fff}
.values-section .eyebrow{color:var(--dorado)}
.values-section h2{font-size:clamp(28px,4vw,42px);margin:0 0 18px}
.values-section p{color:#dce9fa;line-height:1.7}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:35px}
.values-grid>div{padding:25px 15px;background:#ffffff13;border:1px solid #ffffff25;border-radius:16px}
.values-grid i{display:block;font-size:27px;color:var(--dorado);margin-bottom:13px}
.values-grid strong{font-size:17px}

/* PIE DE PÁGINA */

footer{background:#061a39;color:#fff;padding:55px 0 35px;text-align:center}
.footer-container{display:flex;flex-direction:column;align-items:center;gap:10px}
.logo-footer{width:90px;height:90px;object-fit:contain}
footer p{margin:4px 0;color:#d4e0f0}
footer small{margin-top:20px;color:#a8bad1}
.redes-container{display:flex;gap:18px;margin-top:18px}
.redes-container a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:#ffffff12;border-radius:50%;transition:background .2s}
.redes-container a:hover{background:#ffffff30}
.redes-container img{width:25px;height:25px;object-fit:contain}

/* TABLETAS */

@media(max-width:1000px){
  .intro-content{grid-template-columns:1fr}
  .oferta-grid,.features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-links{grid-template-columns:repeat(3,minmax(0,1fr))}
  .spotlight{grid-template-columns:1fr}
  .spotlight-image{min-height:320px;max-height:400px}
}

@media(max-width:900px){
  .hero-lema{min-height:130px;padding:20px}
  .hero-lema-principal{gap:15px}
  .hero-lema-texto{font-size:clamp(30px,5vw,48px)}
  .hero-lema-linea{width:30px}
  .hero-lema-valores{font-size:12px;letter-spacing:2px}
}

/* MENÚ MÓVIL */

@media(max-width:800px){
  .menu{height:76px}
  .logo-menu{width:70px}
  .checkbtn{display:block}
  .nav-menu{
    position:absolute;
    top:76px;
    left:16px;
    right:16px;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:5px;
    padding:15px;
    background:var(--oscuro);
    border-radius:0 0 17px 17px;
    box-shadow:0 18px 35px #0003;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .2s,transform .2s,visibility .2s;
  }

  #check:checked~.nav-menu{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }

  .nav-menu a{padding:15px}
  .hero{height:55vh;min-height:290px}
  .quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* TELÉFONOS */

@media(max-width:650px){
  .site-shell{width:min(calc(100% - 30px),var(--ancho))}
  .hero{height:42vh;min-height:230px}
  .intro-section,.section,.oferta-section{padding:58px 0}
  .intro-copy h1{font-size:35px}
  .intro-panel{padding:25px}
  .hero-stats{grid-template-columns:1fr}
  .oferta-grid,.features-grid{grid-template-columns:1fr}
  .oferta-imagen{height:235px}
  .oferta-contenido p,.feature-content p{min-height:0}
  .oferta-boton{width:100%;line-height:1.5}

  .quick-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
  .quick-card{min-height:175px;padding:20px 16px;border-radius:18px}
  .quick-card > i{width:55px;height:55px;min-width:55px;font-size:23px}
  .quick-card strong{font-size:14px}
  .quick-card > span{font-size:12px}

  .spotlight-content{padding:30px 24px}
  .values-grid{grid-template-columns:repeat(2,1fr)}

  .hero-lema{
    min-height:105px;
    padding:14px 10px;
  }

  .hero-lema-contenido{gap:8px}
  .hero-lema-principal{gap:8px}
  .hero-lema-texto{font-size:clamp(23px,6vw,35px);line-height:1.25;letter-spacing:0}
  .hero-lema-linea{width:15px;height:2px}
  .hero-lema-valores{font-size:10px;letter-spacing:1px;line-height:1.6}
  .hero-lema-valores span{padding:0 2px}
}

@media(max-width:370px){
  .quick-links{grid-template-columns:1fr}
  .hero-lema-texto{font-size:21px}
  .hero-lema-linea{display:none}
  .hero-lema-valores{font-size:9px;letter-spacing:.3px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    scroll-behavior:auto!important;
    animation:none!important;
    transition:none!important;
  }
}



/* Navegación institucional unificada */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(6,29,51,.98);border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 5px 20px rgba(0,0,0,.1)}
.site-header .nav-wrap{width:min(1180px,calc(100% - 48px));min-height:84px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px}
.site-header .brand{display:flex;align-items:center;gap:13px;color:#fff;flex-shrink:0;text-decoration:none}
.site-header .brand img{width:59px;height:59px;object-fit:contain;display:block}
.site-header .brand span{display:flex;flex-direction:column;font-family:"DM Sans",sans-serif;font-size:10px;letter-spacing:1.8px;line-height:1.6}
.site-header .brand strong{font-size:15px;letter-spacing:.8px}
.site-header .main-nav{display:flex;align-items:center;gap:26px}
.site-header .main-nav>a{color:#dbe5ef;font-family:"DM Sans",sans-serif;font-size:13px;font-weight:700;text-decoration:none;transition:color .25s}
.site-header .main-nav>a:hover,.site-header .main-nav>a.active{color:#f2d9a7}
.site-header .main-nav .nav-cta{background:#dcb36d;color:#061d33;padding:11px 18px;border-radius:7px}
.site-header .main-nav .nav-cta:hover{background:#f2d9a7;color:#061d33}
.site-header .menu-toggle{display:none;border:0;background:none;padding:10px;cursor:pointer}
.site-header .menu-toggle span{display:block;width:25px;height:2px;background:#fff;margin:5px 0}
@media(max-width:1050px){.site-header .main-nav{gap:14px}.site-header .main-nav>a{font-size:12px}}
@media(max-width:800px){.site-header .nav-wrap{min-height:74px}.site-header .brand img{width:48px;height:48px}.site-header .brand strong{font-size:13px}.site-header .menu-toggle{display:block}.site-header .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#061d33;padding:22px 24px 30px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 18px 30px rgba(0,0,0,.18)}.site-header .main-nav.open{display:flex}.site-header .main-nav>a{padding:12px 0;font-size:14px}.site-header .main-nav .nav-cta{text-align:center;padding:12px 18px;margin-top:10px}}