/* ============================================================
   VRI UNAG - Vicerrectoría de Internacionalización
   Estilos principales
   ============================================================ */

/* ---------- Variables de marca ---------- */
:root {
  --verde-primario:  #1D6B3A;
  --verde-oscuro:    #145229;
  --verde-claro:     #2E8B57;
  --verde-suave:     #e8f5e9;
  --dorado:          #D4A017;
  --dorado-claro:    #F0C040;
  --azul-vri:        #1565C0;
  --azul-claro:      #1976D2;
  --blanco:          #FFFFFF;
  --gris-claro:      #F7F8FA;
  --gris-medio:      #E0E0E0;
  --gris-texto:      #555555;
  --texto-oscuro:    #1A1A1A;
  --sombra:          0 4px 20px rgba(0,0,0,.12);
  --sombra-hover:    0 8px 32px rgba(0,0,0,.18);
  --radio:           10px;
  --radio-sm:        6px;
  --transicion:      all .3s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Segoe UI', 'Open Sans', Arial, sans-serif;
  color: var(--texto-oscuro);
  background: var(--blanco);
  line-height: 1.6;
}

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

/* ---------- Utilidades ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--verde-oscuro);
  text-align: center;
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  color: var(--gris-texto);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto 48px;
}
.separator {
  width: 60px; height: 4px;
  background: var(--dorado);
  border-radius: 2px;
  margin: 12px auto 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radio-sm);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: var(--transicion);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--verde-primario);
  color: var(--blanco);
}
.btn-primary:hover { background: var(--verde-oscuro); transform: translateY(-2px); box-shadow: var(--sombra); }

.btn-outline {
  background: transparent;
  border-color: var(--verde-primario);
  color: var(--verde-primario);
}
.btn-outline:hover { background: var(--verde-primario); color: var(--blanco); }

.btn-dorado {
  background: var(--dorado);
  color: var(--blanco);
}
.btn-dorado:hover { background: #b8860b; transform: translateY(-2px); }

.btn-blanco {
  background: var(--blanco);
  color: var(--verde-primario);
}
.btn-blanco:hover { background: var(--dorado); color: var(--blanco); }

.bg-verde   { background: var(--verde-primario); color: var(--blanco); }
.bg-suave   { background: var(--gris-claro); }
.bg-verde-s { background: var(--verde-suave); }

/* ---------- HEADER / NAV ---------- */
.topbar {
  background: var(--verde-oscuro);
  color: #ccc;
  font-size: .78rem;
  padding: 6px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a { color: #ccc; }
.topbar a:hover { color: var(--dorado-claro); }
.topbar-links { display: flex; gap: 16px; align-items: center; }
.topbar-links i { margin-right: 4px; }

header {
  background: var(--blanco);
  box-shadow: 0 2px 12px rgba(0,0,0,.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 16px;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-area img { height: 54px; width: auto; }
.logo-text { line-height: 1.25; }
.logo-text .inst-name {
  font-size: .72rem;
  color: var(--gris-texto);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.logo-text .dept-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--verde-oscuro);
}
.logo-text .dept-name span { color: var(--dorado); }

nav { display: flex; align-items: center; gap: 4px; }
nav a {
  padding: 8px 13px;
  border-radius: var(--radio-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--texto-oscuro);
  transition: var(--transicion);
  white-space: nowrap;
}
nav a:hover, nav a.active {
  background: var(--verde-suave);
  color: var(--verde-primario);
}

/* Dropdown */
.dropdown { position: relative; }
.dropdown > a { display: flex; align-items: center; gap: 4px; }
.dropdown > a::after { content: '\25BE'; font-size: .7rem; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--blanco);
  min-width: 230px;
  border-radius: var(--radio);
  box-shadow: var(--sombra-hover);
  overflow: hidden;
  z-index: 100;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 11px 18px;
  border-radius: 0;
  font-size: .88rem;
  border-bottom: 1px solid var(--gris-medio);
}
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: var(--verde-suave); color: var(--verde-primario); padding-left: 24px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 26px; height: 3px;
  background: var(--verde-primario);
  border-radius: 2px;
  transition: var(--transicion);
}

/* ---------- HERO / BANNER ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--verde-oscuro) 0%, #0D3B25 60%, #0A2E1B 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center top;
  opacity: .78;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13,59,37,.88) 38%, rgba(13,59,37,.45) 65%, rgba(13,59,37,.2) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-text .tagline {
  display: inline-block;
  background: rgba(212,160,23,.2);
  border: 1px solid var(--dorado);
  color: var(--dorado-claro);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero-text h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--blanco);
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-text h1 span { color: var(--dorado-claro); }
.hero-text p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* Flags animation */
.flags-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.flag-item {
  width: 52px;
  height: 36px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,.35);
  animation: flagFloat 3s ease-in-out infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.flag-item:nth-child(2) { animation-delay: .3s; }
.flag-item:nth-child(3) { animation-delay: .6s; }
.flag-item:nth-child(4) { animation-delay: .9s; }
.flag-item:nth-child(5) { animation-delay: 1.2s; }
.flag-item:nth-child(6) { animation-delay: 1.5s; }
.flag-item:nth-child(7) { animation-delay: 1.8s; }
.flag-item:nth-child(8) { animation-delay: 2.1s; }
.flag-item:nth-child(9) { animation-delay: 2.4s; }
.flag-item:nth-child(10){ animation-delay: 2.7s; }

@keyframes flagFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.globe-icon {
  font-size: 7rem;
  color: rgba(255,255,255,.15);
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  animation: spin 20s linear infinite;
}
@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }

/* ---------- QUICK LINKS (botones destacados) ---------- */
.quick-links {
  background: var(--verde-primario);
  padding: 28px 0;
}
.quick-links .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.quick-link-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radio);
  padding: 22px 18px;
  text-align: center;
  color: var(--blanco);
  transition: var(--transicion);
  cursor: pointer;
}
.quick-link-card:hover {
  background: rgba(255,255,255,.2);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}
.quick-link-card i {
  font-size: 2rem;
  color: var(--dorado-claro);
  margin-bottom: 10px;
  display: block;
}
.quick-link-card span { font-size: .92rem; font-weight: 600; }

/* ---------- VIDEO INSTITUCIONAL ---------- */
.video-section { background: var(--gris-claro); }
.video-wrapper {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-hover);
}
.video-placeholder {
  background: var(--verde-oscuro);
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--blanco);
}
.play-btn {
  width: 80px; height: 80px;
  background: rgba(255,255,255,.2);
  border: 3px solid var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transicion);
}
.play-btn:hover { background: var(--dorado); border-color: var(--dorado); }

/* ---------- STATS / CONTADORES ---------- */
.stats { background: var(--verde-oscuro); color: var(--blanco); padding: 56px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  text-align: center;
}
.stat-item .number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--dorado-claro);
  display: block;
}
.stat-item .label {
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  margin-top: 4px;
}

/* ---------- ABOUT PREVIEW ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-img {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-hover);
}
.about-img-placeholder {
  background: linear-gradient(135deg, var(--verde-primario), var(--verde-oscuro));
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.4);
  font-size: 5rem;
}
.about-content .tag {
  display: inline-block;
  background: var(--verde-suave);
  color: var(--verde-primario);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.about-content h2 { font-size: 1.9rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 16px; line-height: 1.3; }
.about-content p { color: var(--gris-texto); margin-bottom: 16px; }

/* ---------- TEAM CARDS ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px;
}
.team-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
  transition: var(--transicion);
  text-align: center;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }
.team-photo {
  background: linear-gradient(135deg, var(--verde-primario) 0%, var(--verde-oscuro) 100%);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card-body { padding: 20px 16px; }
.team-card-body h3 { font-size: 1rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 6px; }
.team-card-body .cargo {
  font-size: .83rem;
  color: var(--dorado);
  font-weight: 600;
  margin-bottom: 8px;
}
.team-card-body .email {
  font-size: .78rem;
  color: var(--gris-texto);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  word-break: break-all;
}
.team-card-body .email:hover { color: var(--verde-primario); }

/* Vicerrector card especial */
.vicerrector-card {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: row;
  text-align: left;
  max-width: 700px;
  margin: 0 auto;
}
.vicerrector-card .team-photo {
  min-width: 200px;
  height: auto;
  min-height: 220px;
  font-size: 5rem;
}
.vicerrector-card .team-card-body { display: flex; flex-direction: column; justify-content: center; }
.vicerrector-card .team-card-body h3 { font-size: 1.2rem; }
.vicerrector-card .team-card-body .email { justify-content: flex-start; }
.vicerrector-card .mensaje {
  font-size: .88rem;
  color: var(--gris-texto);
  font-style: italic;
  margin-top: 10px;
  border-left: 3px solid var(--dorado);
  padding-left: 12px;
}

/* ---------- NEWS CARDS ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.news-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
  transition: var(--transicion);
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }
.news-img {
  height: 200px;
  background: linear-gradient(135deg, var(--verde-claro), var(--azul-vri));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.4);
  font-size: 3rem;
  overflow: hidden;
}
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-category {
  display: inline-block;
  background: var(--verde-suave);
  color: var(--verde-primario);
  font-size: .75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
}
.news-card-body h3 { font-size: 1rem; font-weight: 700; color: var(--texto-oscuro); margin-bottom: 8px; line-height: 1.4; }
.news-card-body p { font-size: .88rem; color: var(--gris-texto); flex: 1; }
.news-card-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--gris-medio);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  color: var(--gris-texto);
}
.news-card-footer a { color: var(--verde-primario); font-weight: 600; }
.news-card-footer a:hover { color: var(--verde-oscuro); }

/* Blog placeholder */
.blog-notice {
  background: linear-gradient(135deg, var(--verde-suave), #fff);
  border: 2px dashed var(--verde-claro);
  border-radius: var(--radio);
  padding: 48px;
  text-align: center;
  color: var(--gris-texto);
}
.blog-notice i { font-size: 3rem; color: var(--verde-claro); margin-bottom: 16px; display: block; }
.blog-notice h3 { color: var(--verde-oscuro); margin-bottom: 8px; }

/* ---------- MOVILIDAD ---------- */
.movilidad-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
  border-bottom: 2px solid var(--gris-medio);
  flex-wrap: wrap;
}
.tab-btn {
  padding: 11px 24px;
  background: none;
  border: none;
  font-size: .95rem;
  font-weight: 600;
  color: var(--gris-texto);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transicion);
}
.tab-btn.active, .tab-btn:hover { color: var(--verde-primario); border-bottom-color: var(--verde-primario); }

.reglamento-list { display: flex; flex-direction: column; gap: 12px; }
.reglamento-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  transition: var(--transicion);
}
.reglamento-item:hover { transform: translateX(4px); border-left: 4px solid var(--verde-primario); }
.reglamento-item i { font-size: 1.5rem; color: var(--verde-primario); flex-shrink: 0; }
.reglamento-item .info h4 { font-size: .95rem; font-weight: 600; margin-bottom: 3px; }
.reglamento-item .info p { font-size: .82rem; color: var(--gris-texto); }
.reglamento-item .download-btn {
  margin-left: auto;
  background: var(--verde-suave);
  color: var(--verde-primario);
  border: none;
  padding: 8px 16px;
  border-radius: var(--radio-sm);
  font-weight: 600;
  font-size: .82rem;
  cursor: pointer;
  white-space: nowrap;
}

/* ---------- COOPERACIÓN ---------- */
.convenios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.convenio-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 24px;
  transition: var(--transicion);
  border-top: 4px solid var(--verde-primario);
}
.convenio-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }
.convenio-card .flag-country {
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.convenio-card h3 { font-size: 1rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 6px; }
.convenio-card p { font-size: .85rem; color: var(--gris-texto); }
.convenio-card .tipo-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  margin-top: 10px;
}
.badge-intern { background: #e3f2fd; color: var(--azul-vri); }
.badge-nac    { background: var(--verde-suave); color: var(--verde-primario); }

.redes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 56px;
}
.red-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transicion);
}
.red-card:hover { transform: translateY(-4px); border-top: 3px solid var(--dorado); }
.red-card img { height: 50px; margin: 0 auto 12px; object-fit: contain; }
.red-card .logo-placeholder {
  width: 70px; height: 70px;
  background: var(--verde-suave);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.8rem;
  color: var(--verde-primario);
}
.red-card h4 { font-size: .9rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 4px; }
.red-card p { font-size: .78rem; color: var(--gris-texto); }

/* ---------- BECAS ---------- */
.becas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.beca-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  overflow: hidden;
  transition: var(--transicion);
}
.beca-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }
.beca-header {
  background: linear-gradient(135deg, var(--verde-primario), var(--azul-vri));
  padding: 24px;
  color: var(--blanco);
}
.beca-header .icon { font-size: 2rem; margin-bottom: 8px; display: block; }
.beca-header h3 { font-size: 1.05rem; font-weight: 700; }
.beca-body { padding: 20px; }
.beca-body p { font-size: .88rem; color: var(--gris-texto); margin-bottom: 16px; }
.beca-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
}
.badge-abierta  { background: #e8f5e9; color: #2e7d32; }
.badge-cerrada  { background: #fce4ec; color: #c62828; }
.badge-proceso  { background: #fff8e1; color: #f57f17; }

/* ---------- GALERÍA ---------- */
.gallery-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 8px 22px;
  border: 2px solid var(--gris-medio);
  background: var(--blanco);
  border-radius: 24px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
  color: var(--gris-texto);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--verde-primario);
  border-color: var(--verde-primario);
  color: var(--blanco);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radio);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: var(--sombra);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,59,37,.8), transparent);
  opacity: 0;
  transition: var(--transicion);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  color: var(--blanco);
  font-size: .85rem;
  font-weight: 600;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-placeholder {
  background: linear-gradient(135deg, var(--verde-claro), var(--verde-oscuro));
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.3);
  font-size: 3rem;
}

/* ---------- REPORTES ---------- */
.reportes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.reporte-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: center;
  transition: var(--transicion);
}
.reporte-card:hover { transform: translateY(-3px); box-shadow: var(--sombra-hover); }
.reporte-icon {
  width: 56px; height: 56px;
  background: var(--verde-suave);
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--verde-primario);
  flex-shrink: 0;
}
.reporte-info h4 { font-size: .95rem; font-weight: 700; color: var(--texto-oscuro); margin-bottom: 4px; }
.reporte-info p { font-size: .8rem; color: var(--gris-texto); }
.reporte-info a { font-size: .82rem; color: var(--verde-primario); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; margin-top: 6px; }

/* ---------- CONTACTO ---------- */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.info-icon {
  width: 48px; height: 48px;
  background: var(--verde-suave);
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--verde-primario);
  flex-shrink: 0;
}
.info-item h4 { font-size: .9rem; font-weight: 700; color: var(--verde-oscuro); margin-bottom: 3px; }
.info-item p, .info-item a { font-size: .88rem; color: var(--gris-texto); }

.form-card {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--verde-oscuro);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--gris-medio);
  border-radius: var(--radio-sm);
  font-size: .9rem;
  font-family: inherit;
  transition: var(--transicion);
  color: var(--texto-oscuro);
  background: var(--blanco);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--verde-primario);
  box-shadow: 0 0 0 3px rgba(29,107,58,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ---------- FOOTER ---------- */
footer {
  background: #0D2818;
  color: rgba(255,255,255,.8);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-escudo { height: 90px; width: auto; display: block; margin-bottom: 16px; filter: drop-shadow(0 2px 8px rgba(0,0,0,.4)); }
.footer-brand .logo-area { margin-bottom: 14px; }
.footer-brand p { font-size: .88rem; line-height: 1.7; color: rgba(255,255,255,.65); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  color: var(--blanco);
  transition: var(--transicion);
}
.social-btn:hover { background: var(--verde-primario); transform: translateY(-2px); }

.footer-col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--dorado-claro);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: .85rem; color: rgba(255,255,255,.65); transition: var(--transicion); }
.footer-col ul a:hover { color: var(--blanco); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: var(--dorado-claro); }

/* ---------- PAGE HERO (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--verde-oscuro), #0A2E1B);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: url('../assets/images/pattern.svg') repeat;
  opacity: .05;
}
.page-hero-content { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--dorado-claro); }
.breadcrumb span { color: rgba(255,255,255,.4); }
.page-hero h1 { font-size: 2.2rem; font-weight: 800; color: var(--blanco); margin-bottom: 8px; }
.page-hero p { color: rgba(255,255,255,.75); max-width: 600px; }

/* ---------- BACK TO TOP ---------- */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px; height: 44px;
  background: var(--verde-primario);
  color: var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--sombra);
  opacity: 0;
  pointer-events: none;
  transition: var(--transicion);
  z-index: 999;
}
.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { background: var(--verde-oscuro); transform: translateY(-2px); }

/* ---------- LOADER ---------- */
.page-loader {
  position: fixed; inset: 0;
  background: var(--verde-oscuro);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  transition: opacity .5s ease;
}
.page-loader.hidden { opacity: 0; pointer-events: none; }
.loader-spinner {
  width: 48px; height: 48px;
  border: 4px solid rgba(255,255,255,.2);
  border-top-color: var(--dorado-claro);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.page-loader span { color: rgba(255,255,255,.7); font-size: .9rem; }

/* ---------- ALERT / ANNOUNCEMENT BAR ---------- */
.announcement-bar {
  background: var(--dorado);
  padding: 10px 0;
  text-align: center;
  font-size: .85rem;
  font-weight: 600;
  color: #1A1A1A;
}
.announcement-bar a { color: var(--verde-oscuro); font-weight: 700; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid  { grid-template-columns: 1fr; }
  .about-img   { max-width: 540px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text p  { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .flags-container { display: none; }
  nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--blanco); padding: 12px; box-shadow: var(--sombra); }
  nav.open { display: flex; }
  .hamburger { display: flex; }
  .dropdown-menu { position: static; box-shadow: none; padding-left: 12px; }
  .dropdown:hover .dropdown-menu { display: none; }
  .dropdown.open .dropdown-menu { display: block; }
  .contacto-grid  { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }
  .vicerrector-card { flex-direction: column; }
  .section-title  { font-size: 1.6rem; }
  .hero-text h1   { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .quick-links .container { grid-template-columns: repeat(2, 1fr); }
  .news-grid  { grid-template-columns: 1fr; }
  .team-grid  { grid-template-columns: repeat(2, 1fr); }
}