/* ==========================================================================
   KENZIT SCHOOL - SISTEMA DE DISEÑO OFICIAL
   Tipografía: Manrope (Google Fonts)
   Colores: #284BA2 (Azul Institucional) & #F36F52 (Coral Dinámico)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Paleta Corporativa */
  --primary: #284BA2;
  --primary-dark: #193375;
  --primary-light: #446BC9;
  --primary-subtle: #EDF2FC;
  --primary-glow: rgba(40, 75, 162, 0.16);

  --secondary: #F36F52;
  --secondary-dark: #D7553A;
  --secondary-light: #FF8D74;
  --secondary-subtle: #FFF3F0;
  --secondary-glow: rgba(243, 111, 82, 0.22);

  --accent-gold: #F59E0B;
  --accent-green: #10B981;

  /* Tonos Neutros y Fondos */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F1F5F9;
  --bg-dark: #0F172A;
  --bg-dark-surface: #1E293B;

  /* Tipografía y Textos */
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;

  /* Bordes y Sombras */
  --border-light: #E2E8F0;
  --border-focus: #284BA2;
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -3px rgba(40, 75, 162, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 35px -5px rgba(40, 75, 162, 0.12), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 22px 45px -8px rgba(40, 75, 162, 0.18);

  /* Radios */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1240px;
}

/* ==========================================================================
   RESET & ESTILOS BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Tipografía de Encabezados */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.85rem); }
h4 { font-size: 1.25rem; font-weight: 700; }
h5 { font-size: 1.05rem; font-weight: 700; }

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.section-tag.secondary {
  background: var(--secondary-subtle);
  color: var(--secondary-dark);
}

.section-title {
  margin-bottom: 1rem;
}

.section-title span.highlight-blue {
  color: var(--primary);
}

.section-title span.highlight-coral {
  color: var(--secondary);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Botones y Elementos de Acción */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--primary-glow);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text-white);
  box-shadow: 0 4px 14px var(--secondary-glow);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px var(--secondary-glow);
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: var(--text-white);
}

.btn-outline-white:hover {
  background: var(--text-white);
  color: var(--primary);
  border-color: var(--text-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1.05rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   TOPBAR SUPERIOR (Igual a la estructura de cbb.edu.pe)
   ========================================================================== */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.topbar-item:hover {
  color: var(--secondary-light);
}

.topbar-item i, .topbar-item svg {
  color: var(--secondary);
  flex-shrink: 0;
}

.topbar-badge {
  background: var(--secondary);
  color: var(--text-white);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ==========================================================================
   HEADER PRINCIPAL & MENÚ NAVEGACIÓN STICKY
   ========================================================================== */
.header-main {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.header-main.scrolled {
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo img, .brand-logo svg {
  height: 48px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.95rem;
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--primary-subtle);
}

.nav-link.nav-cta-link {
  background: var(--secondary-subtle);
  color: var(--secondary-dark);
}

.nav-link.nav-cta-link:hover {
  background: var(--secondary);
  color: var(--text-white);
}

/* Dropdown Menú de Niveles y Trámites */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  padding: 0.6rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 1010;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--primary-subtle);
  color: var(--primary);
  padding-left: 1.5rem;
}

.dropdown-item .badge-pill {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--secondary-subtle);
  color: var(--secondary-dark);
  font-weight: 700;
}

/* Botón Sieweb / Intranet Dropdown */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.intranet-dropdown {
  position: relative;
}

.btn-intranet {
  background: var(--secondary);
  color: var(--text-white);
  padding: 0.55rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 800;
  border-radius: var(--radius-md);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: 0 4px 10px var(--secondary-glow);
  transition: all var(--transition-fast);
}

.btn-intranet:hover {
  background: var(--secondary-dark);
  transform: translateY(-1px);
}

.intranet-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 230px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  padding: 0.5rem 0;
  display: none;
  z-index: 1020;
}

.intranet-menu.show {
  display: block;
  animation: fadeInDown 0.2s ease forwards;
}

.intranet-menu a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.intranet-menu a:hover {
  background: var(--primary-subtle);
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--primary);
  cursor: pointer;
  padding: 0.3rem;
}

/* ==========================================================================
   HERO CAROUSEL BANNER (Estilo cbb.edu.pe)
   ========================================================================== */
.hero-slider-section {
  position: relative;
  overflow: hidden;
  background: var(--primary-dark);
}

.hero-slider {
  position: relative;
  width: 100%;
  min-height: 540px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, transform 0.8s ease;
  transform: scale(1.03);
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  position: relative;
}

.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 30, 75, 0.92) 0%, rgba(40, 75, 162, 0.75) 50%, rgba(15, 23, 42, 0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--text-white);
  max-width: 680px;
  padding: 4.5rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--secondary);
  color: var(--text-white);
  font-size: 0.85rem;
  font-weight: 800;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 15px var(--secondary-glow);
}

.hero-title {
  color: var(--text-white);
  font-size: clamp(2.3rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.hero-title span {
  color: var(--secondary-light);
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Slider Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  color: var(--text-white);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-arrow:hover {
  background: var(--secondary);
  border-color: var(--secondary);
}

.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }

.slider-dots {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.6rem;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  width: 32px;
  background: var(--secondary);
}

/* ==========================================================================
   ALIANZAS Y ASOCIACIONES (Familia / Respaldo Educativo)
   ========================================================================== */
.partners-bar {
  background: var(--bg-surface);
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--border-light);
}

.partners-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.partners-label {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.partners-list {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-grow: 1;
  gap: 2rem;
  flex-wrap: wrap;
}

.partner-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.95rem;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.partner-item:hover {
  opacity: 1;
  color: var(--primary);
}

.partner-item svg, .partner-item i {
  color: var(--primary);
  font-size: 1.3rem;
}

/* ==========================================================================
   SECCIÓN: ¿POR QUÉ ELEGIR KENZIT SCHOOL?
   ========================================================================== */
.why-us-section {
  padding: 6rem 0;
  background: var(--bg-page);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.why-info .section-tag {
  margin-bottom: 1rem;
}

.why-info h2 {
  margin-bottom: 1.5rem;
}

.why-info p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}

.why-pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-surface);
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.pillar-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(40, 75, 162, 0.2);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-card.featured::before {
  background: var(--secondary);
  opacity: 1;
}

.pillar-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.pillar-card.featured .pillar-icon-box {
  background: var(--secondary-subtle);
  color: var(--secondary-dark);
}

.pillar-card h4 {
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.pillar-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ==========================================================================
   OFERTA EDUCATIVA: NIVELES Y MODALIDADES (Primaria, Secundaria, HomeSchool)
   ========================================================================== */
.levels-section {
  padding: 6rem 0;
  background: var(--bg-surface);
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.level-card {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.level-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(40, 75, 162, 0.25);
}

.level-card-img {
  position: relative;
  height: 220px;
  background: var(--primary-dark);
  overflow: hidden;
}

.level-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.level-card:hover .level-card-img img {
  transform: scale(1.08);
}

.level-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--primary);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.level-badge.homeschool {
  background: var(--secondary);
}

.level-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.level-modalities {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.modality-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.modality-chip.virtual {
  background: var(--primary-subtle);
  color: var(--primary);
  border-color: rgba(40, 75, 162, 0.2);
}

.level-card-body h3 {
  margin-bottom: 0.75rem;
  font-size: 1.45rem;
}

.level-card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.level-features {
  margin-bottom: 1.8rem;
}

.level-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.level-features li i, .level-features li svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

.level-card-footer {
  display: flex;
  gap: 0.8rem;
  margin-top: auto;
}

/* ==========================================================================
   MODALIDADES DESTACADAS: PRESENCIAL VS VIRTUAL & CEBA
   ========================================================================== */
.modalities-banner-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.modalities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.modality-box {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.modality-box:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.modality-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.3rem;
}

.modality-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--secondary);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.modality-box h3 {
  color: var(--text-white);
}

.modality-box p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.98rem;
  margin-bottom: 1.5rem;
}

.modality-box ul {
  margin-bottom: 2rem;
}

.modality-box ul li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.92rem;
  margin-bottom: 0.6rem;
}

/* ==========================================================================
   SECCIÓN INFRAESTRUCTURA & CAMPUS
   ========================================================================== */
.infra-preview-section {
  padding: 6rem 0;
  background: var(--bg-page);
}

.infra-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-tab-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab-btn:hover, .filter-tab-btn.active {
  background: var(--primary);
  color: var(--text-white);
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.infra-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.infra-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 260px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.infra-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.infra-item:hover img {
  transform: scale(1.1);
}

.infra-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--text-white);
}

.infra-overlay span.badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--secondary);
  color: var(--text-white);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.infra-overlay h4 {
  color: var(--text-white);
  font-size: 1.15rem;
}

/* ==========================================================================
   FORMULARIO DE ADMISIÓN 2026-2027 (Interactividad en vivo)
   ========================================================================== */
.admission-form-section {
  padding: 6rem 0;
  background: var(--bg-surface);
  position: relative;
}

.admission-container-card {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
}

.admission-info-col {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.admission-info-col h3 {
  color: var(--text-white);
  font-size: 2rem;
  margin-bottom: 1.2rem;
}

.admission-info-col p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  font-size: 1.02rem;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--secondary);
  color: var(--text-white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-text h5 {
  color: var(--text-white);
  margin-bottom: 0.2rem;
}

.step-text p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.admission-form-col {
  padding: 3.5rem 3rem;
  background: var(--bg-surface);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.col-full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.form-label span.req {
  color: var(--secondary);
}

.form-control {
  width: 100%;
  height: 48px;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background: var(--bg-page);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

textarea.form-control {
  height: 100px;
  resize: vertical;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control.is-invalid {
  border-color: #EF4444;
  background: #FEF2F2;
}

.form-control.is-valid {
  border-color: var(--accent-green);
  background: #F0FDF4;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}

.form-checkbox input {
  margin-top: 0.25rem;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

.form-checkbox a {
  color: var(--primary);
  text-decoration: underline;
  font-weight: 600;
}

/* ==========================================================================
   SECCIÓN BLOG & NOVEDADES
   ========================================================================== */
.blog-section {
  padding: 6rem 0;
  background: var(--bg-page);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.blog-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.08);
}

.blog-category-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--primary);
  color: var(--text-white);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.blog-card-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.blog-card-body h4 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.35;
}

.blog-card-body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.88rem;
}

.blog-read-more:hover {
  color: var(--secondary);
  gap: 0.7rem;
}

/* ==========================================================================
   SECCIÓN DE SEDES Y CONTACTO DIRECTO
   ========================================================================== */
.campuses-section {
  padding: 5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
}

.campuses-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.campus-card {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: flex;
  gap: 1.5rem;
  transition: all var(--transition-normal);
}

.campus-card:hover {
  border-color: rgba(40, 75, 162, 0.25);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.campus-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.campus-card.virtual .campus-icon {
  background: var(--secondary-subtle);
  color: var(--secondary-dark);
}

.campus-details h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.campus-details p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.campus-contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.88rem;
}

.campus-contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 700;
}

.campus-contact-links a:hover {
  color: var(--secondary);
}

/* ==========================================================================
   FOOTER INSTITUCIONAL (Con Libro de Reclamaciones)
   ========================================================================== */
.footer-main {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 5rem;
  font-size: 0.92rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col-brand p {
  color: rgba(255, 255, 255, 0.65);
  margin: 1.2rem 0 1.5rem;
  line-height: 1.6;
}

.footer-social-links {
  display: flex;
  gap: 0.8rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: var(--secondary);
  transform: translateY(-3px);
}

.footer-col h5 {
  color: var(--text-white);
  font-size: 1.1rem;
  margin-bottom: 1.4rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2.5px;
  background: var(--secondary);
  border-radius: var(--radius-full);
}

.footer-links-list li {
  margin-bottom: 0.75rem;
}

.footer-links-list a {
  color: rgba(255, 255, 255, 0.75);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links-list a:hover {
  color: var(--secondary-light);
  padding-left: 5px;
}

.claim-book-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  margin-top: 1rem;
  display: inline-block;
  transition: all var(--transition-fast);
}

.claim-book-box:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--secondary);
  transform: translateY(-2px);
}

.claim-book-box img {
  height: 52px;
  width: auto;
}

.footer-bottom {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: rgba(255, 255, 255, 0.6);
}

.footer-legal-links a:hover {
  color: var(--secondary-light);
}

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP CON SELECTOR INTERACTIVO
   ========================================================================== */
.floating-whatsapp-wrap {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 1000;
}

.whatsapp-main-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: #25D366;
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.whatsapp-main-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.55);
}

.whatsapp-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid #25D366;
  animation: pulse-ring 2s infinite;
  opacity: 0.7;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.whatsapp-popup {
  position: absolute;
  bottom: 75px;
  right: 0;
  width: 320px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: none;
  animation: fadeInUp 0.25s ease forwards;
}

.whatsapp-popup.show {
  display: block;
}

.whatsapp-popup-header {
  background: #128C7E;
  color: var(--text-white);
  padding: 1.2rem;
  position: relative;
}

.whatsapp-popup-header h5 {
  color: var(--text-white);
  margin-bottom: 0.2rem;
}

.whatsapp-popup-header p {
  font-size: 0.8rem;
  opacity: 0.9;
}

.whatsapp-popup-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-white);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.8;
}

.whatsapp-popup-body {
  padding: 1rem;
  background: #ECE5DD;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.whatsapp-advisor-link {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.whatsapp-advisor-link:hover {
  transform: translateX(4px);
  background: #F0FDF4;
}

.advisor-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.advisor-info h6 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.advisor-info span {
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
}

/* ==========================================================================
   MODALES (Libro de Reclamaciones, Términos, Intranet, Brochure)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.show .modal-card {
  transform: translateY(0);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-alt);
}

.modal-header h3 {
  font-size: 1.35rem;
  color: var(--primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--secondary);
}

.modal-body {
  padding: 2rem;
}

/* ==========================================================================
   ANIMACIONES
   ========================================================================== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}