/**
 * estilos.css — Diseño institucional moderno para el portal de AFILIACIÓN CEP
 * 100% Vanilla CSS · Mobile First · Ultra Optimizado (~22 KB)
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Paleta Corporativa CEP */
  --azul-deep: #07152b;
  --azul-header: #0b1f3f;
  --azul-hero: #0f2b5c;
  --azul-primario: #1a428a;
  --azul-claro: #2563eb;
  --azul-acento: #38bdf8;
  
  --dorado: #f59e0b;
  --dorado-hover: #d97706;
  --dorado-claro: #fef3c7;
  
  --verde: #10b981;
  --verde-claro: #d1fae5;
  --rojo: #ef4444;

  --blanco: #ffffff;
  --gris-bg: #f8fafc;
  --gris-card: #ffffff;
  --gris-borde: #e2e8f0;
  --gris-texto: #334155;
  --gris-sub: #64748b;
  --gris-muted: #94a3b8;

  /* Tipografías */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Sombras y Efectos */
  --sombra-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --sombra-md: 0 6px 18px rgba(15, 23, 42, 0.08);
  --sombra-lg: 0 14px 34px rgba(15, 43, 92, 0.14);
  --sombra-hover: 0 20px 40px rgba(15, 43, 92, 0.2);
  --sombra-glow: 0 0 25px rgba(245, 158, 11, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transicion: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--gris-bg);
  color: var(--gris-texto);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Contenedor centralizado */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  background: var(--azul-header);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
  transition: transform var(--transicion);
}

.logo-link:hover .logo-img {
  transform: scale(1.04);
}

.logo-heading {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--blanco);
  line-height: 1.1;
  white-space: nowrap;
}

.header-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--blanco);
  font-size: 0.86rem;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  transition: all var(--transicion);
}

.header-contact-btn:hover {
  background: var(--dorado);
  border-color: var(--dorado);
  color: var(--azul-deep);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

/* ── HERO CARRUSEL DE IMÁGENES DINÁMICO ─────────────────────── */
.hero-carrusel {
  position: relative;
  width: 100%;
  min-height: 540px;
  background: var(--azul-deep);
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Barra decorativa tricolor inferior */
.hero-carrusel::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--rojo) 0%, var(--dorado) 50%, var(--rojo) 100%);
  z-index: 6;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  opacity: 0;
  will-change: transform, opacity;
  z-index: 1;
  transition: opacity 1.5s ease-in-out, transform 7.5s cubic-bezier(0.1, 0.2, 0.3, 1);
}

.hero-slide.visible {
  opacity: 1;
  z-index: 2;
}

.hero-slide.anim-a {
  transform: scale(1.08) translate(0.5%, -0.5%);
}

.hero-slide.anim-a.visible {
  transform: scale(1.01) translate(0, 0);
}

.hero-slide.anim-b {
  transform: scale(1.01) translate(-0.5%, 0.5%);
}

.hero-slide.anim-b.visible {
  transform: scale(1.08) translate(0, 0);
}

/* Capa de degradado oscuro y sombras sobre las fotos */
.hero-overlay-dark {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(7, 21, 43, 0.88) 0%,
    rgba(15, 43, 92, 0.75) 50%,
    rgba(7, 21, 43, 0.85) 100%
  );
  z-index: 3;
  pointer-events: none;
}

/* Contenido flotante con Glassmorphism */
.hero-container {
  position: relative;
  z-index: 4;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px 70px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.hero-glass-card {
  background: rgba(11, 31, 63, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  max-width: 760px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.45);
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: var(--dorado);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--dorado);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--dorado);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.65rem;
  font-weight: 900;
  line-height: 1.15;
  color: var(--blanco);
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}

.hero-title span {
  background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 50%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: #e2e8f0;
  line-height: 1.6;
  margin-bottom: 28px;
}

.hero-pills-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-pill i {
  color: var(--dorado);
}

/* Indicadores de diapositivas (Dots) */
.hero-dots {
  position: absolute;
  bottom: 20px;
  right: 28px;
  display: flex;
  gap: 8px;
  z-index: 5;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.hero-dot.active {
  background: var(--dorado);
  border-color: var(--dorado);
  width: 26px;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
}

/* ── 3 VÍAS DE AFILIACIÓN ───────────────────────────────────── */
.section-vias {
  margin-top: -30px;
  position: relative;
  z-index: 10;
  padding-bottom: 70px;
}

.vias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.via-card {
  background: var(--gris-card);
  border-radius: var(--radius-lg);
  border: 2px solid var(--gris-borde);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--sombra-md);
  transition: all var(--transicion);
  position: relative;
}

.via-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--sombra-hover);
  border-color: var(--azul-primario);
}

/* Tarjeta destacada (Boletín Funcionario) */
.via-card-featured {
  border-color: var(--dorado);
  background: linear-gradient(180deg, #ffffff 0%, #fffbeb 100%);
  box-shadow: var(--sombra-lg), 0 0 0 1px rgba(245, 158, 11, 0.3);
}

.via-badge-top {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dorado);
  color: var(--azul-deep);
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
  white-space: nowrap;
}

.via-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(26, 66, 138, 0.08);
  color: var(--azul-primario);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  transition: all var(--transicion);
}

.via-card-featured .via-icon-wrap {
  background: rgba(245, 158, 11, 0.15);
  color: var(--dorado-hover);
}

.via-card:hover .via-icon-wrap {
  transform: scale(1.1) rotate(-4deg);
}

.via-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--azul-deep);
  line-height: 1.25;
  margin-bottom: 6px;
}

.via-subtitle {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--azul-claro);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.via-card-featured .via-subtitle {
  color: var(--dorado-hover);
}

.via-desc {
  font-size: 0.95rem;
  color: var(--gris-texto);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.via-features {
  list-style: none;
  margin-bottom: 28px;
  border-top: 1px solid var(--gris-borde);
  padding-top: 18px;
}

.via-features li {
  font-size: 0.88rem;
  color: var(--gris-sub);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.via-features li i {
  color: var(--verde);
  font-size: 14px;
}

/* Botones de acción Vías */
.btn-action-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: linear-gradient(135deg, var(--dorado) 0%, var(--dorado-hover) 100%);
  color: var(--azul-deep);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  padding: 15px 22px;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.28);
  transition: all var(--transicion);
  text-align: center;
}

.btn-action-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(217, 119, 6, 0.4);
  filter: brightness(1.05);
}

.btn-action-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: var(--azul-primario);
  color: var(--blanco);
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 16px rgba(26, 66, 138, 0.22);
  transition: all var(--transicion);
  text-align: center;
}

.btn-action-secondary:hover {
  background: var(--azul-hero);
  color: var(--dorado);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(26, 66, 138, 0.35);
}

.btn-action-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: var(--blanco);
  color: var(--azul-primario);
  border: 2px solid var(--azul-primario);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  transition: all var(--transicion);
  text-align: center;
}

.btn-action-outline:hover {
  background: var(--azul-primario);
  color: var(--blanco);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(26, 66, 138, 0.2);
}

/* ── CÓMO FUNCIONA EL PROCESO (4 PASOS) ─────────────────────── */
.section-proceso {
  padding: 80px 0;
  background: var(--blanco);
  border-top: 1px solid var(--gris-borde);
  border-bottom: 1px solid var(--gris-borde);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--azul-primario);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(37, 99, 235, 0.08);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--azul-deep);
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gris-sub);
}

.proceso-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--gris-bg);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radius-md);
  padding: 30px 22px;
  text-align: center;
  position: relative;
  transition: all var(--transicion);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--azul-acento);
  box-shadow: var(--sombra-md);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 34px;
  background: var(--azul-primario);
  color: var(--blanco);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--blanco);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.step-icon {
  font-size: 32px;
  color: var(--azul-primario);
  margin-top: 10px;
  margin-bottom: 16px;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--azul-deep);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--gris-sub);
  line-height: 1.5;
}

/* ── BLOQUE DE HONESTIDAD CON ALUMNOS ───────────────────────── */
.section-alumnos-aviso {
  padding: 50px 0;
}

.aviso-alumnos-box {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  border-left: 6px solid var(--dorado);
  box-shadow: var(--sombra-lg);
}

.aviso-alumnos-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--dorado);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.aviso-alumnos-content h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dorado);
  margin-bottom: 8px;
}

.aviso-alumnos-content p {
  font-size: 0.98rem;
  color: #cbd5e1;
  line-height: 1.6;
}

/* ── CONTACTO Y DUDAS ───────────────────────────────────────── */
.section-contacto {
  padding: 70px 0 90px;
  background: var(--gris-bg);
}

.contacto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contacto-card {
  background: var(--gris-card);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: all var(--transicion);
  box-shadow: var(--sombra-sm);
}

.contacto-card:hover {
  transform: translateY(-4px);
  border-color: var(--azul-primario);
  box-shadow: var(--sombra-md);
}

.contacto-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--azul-primario);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin: 0 auto 16px;
}

.contacto-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--azul-deep);
  margin-bottom: 6px;
}

.contacto-text {
  font-size: 0.9rem;
  color: var(--gris-sub);
  margin-bottom: 14px;
}

.contacto-link {
  font-weight: 700;
  color: var(--azul-claro);
  font-size: 0.98rem;
  transition: color var(--transicion);
}

.contacto-link:hover {
  color: var(--dorado-hover);
  text-decoration: underline;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--azul-deep);
  color: #94a3b8;
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.86rem;
}

.footer-links a {
  transition: color var(--transicion);
}

.footer-links a:hover {
  color: var(--dorado);
}

.footer-sep {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.9rem;
}

.footer-formisan {
  color: var(--blanco);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ── RESPONSIVE DESIGN ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-container {
    padding: 50px 20px;
  }
  .vias-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .proceso-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }
  .contacto-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-carrusel {
    min-height: 480px;
  }
  .hero-glass-card {
    padding: 30px 22px;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-lead {
    font-size: 0.98rem;
  }
  .section-vias {
    margin-top: -20px;
  }
  .vias-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .via-card {
    padding: 30px 22px;
  }
  .aviso-alumnos-box {
    flex-direction: column;
    text-align: center;
    padding: 28px 20px;
  }
  .proceso-steps {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .contacto-grid {
    grid-template-columns: 1fr;
  }
  .site-footer {
    padding: 30px 0;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  .footer-brand {
    flex-direction: column;
    gap: 8px;
    font-size: 0.82rem;
  }
  .footer-links {
    gap: 8px;
    font-size: 0.82rem;
  }
  .logo-heading {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .logo-heading {
    font-size: 1.05rem;
  }
  .header-contact-btn span {
    display: none;
  }
  .header-contact-btn {
    padding: 8px 12px;
  }
  .footer-brand {
    font-size: 0.78rem;
  }
  .footer-links {
    gap: 6px;
    font-size: 0.78rem;
  }
}