/* =========================================================
   E.T. "Ademar Vásquez Chávez" — Sitio Institucional
   Estilos Globales e Index (Home)
   ========================================================= */

:root {
  --azul:         #1A4F99;
  --azul-oscuro:  #0D2D6B;
  --ambar:        #C97D10;
  --ambar-claro:  #F5C030;
  --fondo:        #F5F7FC;
  --fondo-alt:    #EBF0F9;
  --carbon:       #1A2232;
  --carbon-suave: #4A5568;
  --linea:        #CDD8EF;
  --blanco:       #FFFFFF;

  --display: "Fraunces", Georgia, serif;
  --texto:   "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radio: 4px;
  --sombra: 0 18px 40px -20px rgba(13, 45, 107, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--texto);
  color: var(--carbon);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

:focus-visible {
  outline: 2.5px solid var(--ambar);
  outline-offset: 3px;
}

/* ---------- Progress Rail ---------- */
.progress-rail {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  background: transparent; z-index: 1000;
}
.progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--azul), var(--ambar-claro), var(--azul-oscuro));
  transition: width .08s linear;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 900;
  background: rgba(245, 247, 252, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linea);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-crest { width: 44px; height: 44px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-family: var(--display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--azul-oscuro);
  letter-spacing: .01em;
}
.brand-text em {
  font-style: normal;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--carbon-suave);
}

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a {
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--carbon);
  position: relative;
  padding: 4px 0;
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--ambar); transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.site-nav a:hover::after { transform: scaleX(1); }

.active-nav-link {
  color: var(--ambar) !important;
}
.active-nav-link::after {
  transform: scaleX(1) !important;
}

.nav-ig {
  background: var(--azul);
  color: var(--blanco) !important;
  padding: 8px 16px !important;
  border-radius: 999px;
}
.nav-ig::after { display: none; }
.nav-ig:hover { background: var(--azul-oscuro); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 38px; height: 38px; background: none; border: none; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--azul-oscuro); border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px;
  font-size: .9rem; font-weight: 700; letter-spacing: .02em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--azul); color: var(--blanco);
  box-shadow: var(--sombra);
  transition: transform .2s ease, background .2s ease;
}
.btn-primary:hover { background: var(--azul-oscuro); transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--azul);
  color: var(--azul-oscuro);
  transition: background .2s ease, color .2s ease;
}
.btn-ghost:hover { background: var(--azul); color: var(--blanco); }
.btn-on-dark { box-shadow: none; }

/* ---------- Eyebrow / Titles ---------- */
.eyebrow {
  font-family: var(--texto);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ambar);
  margin: 0 0 14px;
}
.eyebrow-dark { color: var(--azul); }

.section-title {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 600;
  color: var(--azul-oscuro);
  margin: 0 0 12px;
  letter-spacing: -.01em;
}
.section-title-light { color: var(--fondo); }
.section-lede {
  max-width: 560px;
  color: var(--carbon-suave);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0 0 44px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 76px 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 12%, rgba(26,79,153,0.07), transparent 55%),
    var(--fondo);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding-bottom: 64px;
}
.hero-copy h1 {
  font-family: var(--display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 0.98;
  font-weight: 600;
  color: var(--carbon);
  margin: 0 0 22px;
  letter-spacing: -.015em;
}
.hero-copy h1 span { color: var(--azul); font-style: italic; }
.hero-lede {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--carbon-suave);
  max-width: 46ch;
  margin: 0 0 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }

.hero-visual { position: relative; }
.ribbon-badge {
  position: absolute; top: -58px; right: -4px;
  width: 118px; height: 118px;
  background: var(--blanco);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra);
  padding: 10px;
  z-index: 2;
  border: 3px solid var(--fondo);
}
.hero-photo {
  margin: 0; border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  border: 1px solid var(--linea);
}
.hero-photo img { width: 100%; height: 420px; object-fit: cover; }
.hero-photo figcaption {
  background: var(--azul-oscuro);
  color: var(--fondo);
  font-size: .78rem;
  letter-spacing: .03em;
  padding: 12px 18px;
}

.banda {
  height: 14px;
  width: 100%;
  background: linear-gradient(90deg,
    var(--azul-oscuro) 0 33%,
    var(--ambar-claro) 33% 66%,
    var(--azul) 66% 100%);
}
.banda-thin { height: 8px; }

/* ---------- Sección Introducción Menciones (En Home) ---------- */
.menciones-intro {
  padding: 90px 0;
  background: var(--blanco);
  border-bottom: 1px solid var(--linea);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.intro-cards-preview {
  background: var(--fondo);
  padding: 35px;
  border-radius: var(--radio);
  border: 1px solid var(--linea);
}
.intro-cards-preview p {
  margin: 0 0 16px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--carbon-suave);
}
.badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.badge {
  background: var(--blanco);
  border: 1px solid var(--linea);
  padding: 6px 14px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--azul-oscuro);
  border-radius: 999px;
}

/* ---------- Vida Estudiantil / Galería ---------- */
.vida { padding: 20px 0 100px; background: var(--fondo); }
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  gap: 14px;
}
.g-item {
  position: relative; margin: 0;
  border-radius: var(--radio);
  overflow: hidden;
  border: 1px solid var(--linea);
}
.g-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.g-item:hover img { transform: scale(1.06); }
.g-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 10px 14px 9px;
  font-size: .74rem;
  letter-spacing: .01em;
  color: var(--blanco);
  background: linear-gradient(0deg, rgba(13,45,107,0.82), rgba(13,45,107,0));
}
.g-tall { grid-row: span 2; }
.g-wide { grid-column: span 2; }

/* ---------- Nosotros ---------- */
.nosotros { background: var(--fondo-alt); padding: 0 0 96px; }
.nosotros-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  padding-top: 72px;
}
.crest-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.crest-list li {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--carbon-suave);
  padding-left: 22px;
  border-left: 3px solid var(--azul);
}
.crest-list strong { color: var(--carbon); font-family: var(--display); font-weight: 600; }
.nosotros-crest { display: flex; justify-content: center; }
.nosotros-crest img { width: 260px; }

/* ---------- Ubicación ---------- */
.ubicacion {
  background: var(--azul-oscuro);
  color: var(--fondo);
  padding: 90px 0;
}
.ubicacion-inner { max-width: 620px; }
.contact-list { margin: 0 0 40px; display: flex; flex-direction: column; gap: 18px; }
.contact-list dt {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--ambar-claro); margin-bottom: 4px;
}
.contact-list dd { margin: 0; font-size: 1.06rem; }
.contact-list a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--carbon);
  color: rgba(245,247,252,0.72);
  padding: 46px 0;
  text-align: center;
}
.footer-crest { width: 52px; height: 52px; margin: 0 auto 16px; }
.footer-inner p { margin: 4px 0; font-size: .9rem; }
.footer-fine { font-size: .76rem !important; letter-spacing: .02em; color: rgba(245,247,252,0.48); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .nosotros-inner { grid-template-columns: 1fr; }
  .nosotros-crest { order: -1; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--fondo);
    border-bottom: 1px solid var(--linea);
    flex-direction: column; align-items: flex-start;
    padding: 20px 28px 28px;
    gap: 18px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .nav-ig { align-self: flex-start; }

  .hero-inner { grid-template-columns: 1fr; padding-bottom: 40px; }
  .hero { padding-top: 48px; }
  .ribbon-badge { width: 88px; height: 88px; top: -40px; right: 6px; }
  .hero-photo img { height: 300px; }

  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .g-tall { grid-row: span 2; }
  .g-wide { grid-column: span 2; }
  
  .intro-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr 1fr; }
  .hero-copy h1 { font-size: 2.5rem; }
}

/* ====================== MINI TARJETAS MENCIONES (Home) ====================== */

.preview-title {
  font-weight: 600;
  color: var(--carbon-suave);
  margin-bottom: 20px;
}

.menciones-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.mini-mencion-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 12px;
  border-radius: var(--radio);
  border: 1px solid var(--linea);
  background-size: cover;
  background-position: center;
  text-align: center;
  font-weight: 700;
  color: white;
  font-size: 0.95rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.4);
  box-shadow: var(--sombra);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  min-height: 82px;
  position: relative;
  overflow: hidden;
}

.mini-mencion-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,45,107,0.45), rgba(26,34,50,0.85));
  transition: opacity 0.3s ease;
}

.mini-mencion-card span {
  position: relative;
  z-index: 2;
}

.mini-mencion-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 45px -15px rgba(13,45,107,0.35);
}

.mini-mencion-card:hover::before {
  opacity: 0.92;
}

/* Fondos específicos para mini tarjetas */
.bg-telematica-mini     { background-image: url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?q=80&w=600&auto=format&fit=crop'); }
.bg-aduana-mini         { background-image: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?q=80&w=600&auto=format&fit=crop'); }
.bg-turismo-mini        { background-image: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?q=80&w=600&auto=format&fit=crop'); }
.bg-administracion-mini { background-image: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?q=80&w=600&auto=format&fit=crop'); }
.bg-contabilidad-mini   { background-image: url('https://images.unsplash.com/photo-1554224155-8d04cb21cd6c?q=80&w=600&auto=format&fit=crop'); }