/* css/styles.css - Versión FINAL Unificada y Optimizada */
/* NOTA: Fuentes Poppins y Open Sans se cargan vía <link> en el <head> del HTML.
   No usar @import aquí para evitar solicitudes duplicadas que bloquean el render. */

:root {
  /* === Colores principales (Verde Predominante) === */
  --primary-deep-green: #1B5E20;      /* Verde oscuro */
  --primary-vibrant-green: #2E7D32;   /* Verde vibrante */
  --primary-light-green: #E8F5E9;     /* Verde muy claro */
  --primary-pale-green: #F1F8E9;      /* Fondo sutil */

  /* === Variables RGB (CRÍTICAS para transparencias) === */
  --primary-deep-green-rgb: 27, 94, 32;     /* Base para sombras */
  --primary-vibrant-green-rgb: 46, 125, 50; /* Base para efectos */

  /* === Acento === */
  --accent-gold: #FFB300;
  --accent-gold-darker: #FFA000;

  /* === Neutros === */
  --light-bg: #F1F8E9;
  --white-pure: #FFFFFF;
  --text-dark: #1A1F1A;
  --text-medium: #3E4F3E;
  --text-light: #F5FBF5;
  --text-muted-custom: #6B8E6B;

  /* === Bordes & Sombras === */
  --border-light: #C8E6C9;
  --border-dark: #4A704A;

  --shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.10);
  --shadow-strong: 0 12px 35px rgba(0, 0, 0, 0.14);
  /* CORREGIDO: Uso de variable RGB para consistencia */
  --shadow-xl: 0 20px 40px rgba(var(--primary-deep-green-rgb), 0.15);

  --border-radius-sm: 0.35rem;
  --border-radius-md: 0.6rem;
  --border-radius-lg: 1rem;
  --border-radius-pill: 50rem;

  /* === Fuentes y Social === */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
}

/*--------------------------------------------------------------
# 2. Reset y Base
--------------------------------------------------------------*/
/* CRÍTICO: Reset de Box Model para evitar roturas de layout */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-secondary);
  color: var(--text-medium);
  line-height: 1.75;
  background-color: var(--white-pure);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased; /* Texto más nítido en Mac/iOS */
  -moz-osx-font-smoothing: grayscale;
}

/* Imágenes responsivas por defecto */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/*--------------------------------------------------------------
# 3. Tipografía — Escala fluida con clamp()
   Elimina los saltos bruscos entre breakpoints.
   clamp(mínimo, preferido, máximo)
--------------------------------------------------------------*/
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--primary-deep-green);
  margin-bottom: 0.75em;
  line-height: 1.25;
}

h1 { font-size: clamp(1.9rem, 5vw + 0.5rem, 3rem);   font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw + 0.3rem, 2.4rem); }
h3 { font-size: clamp(1.2rem, 3vw + 0.2rem, 1.9rem); }

.section-title {
  font-size: clamp(1.6rem, 4vw + 0.4rem, 2.6rem);
}

a {
  color: var(--primary-vibrant-green);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-gold);
}

/* Accesibilidad: Foco visible para navegación con teclado */
:focus-visible {
  outline: 3px solid var(--accent-gold);
  outline-offset: 2px;
}

/* Fix contraste: text-muted sobre bg-green-soft no cumple WCAG AA.
   Sobreescribimos el gris Bootstrap (#6c757d, ~3.8:1) por verde oscuro (~6.1:1) */
.bg-green-soft .text-muted,
.bg-green-soft small.text-muted,
.section-bg-light .text-muted {
  color: var(--text-medium) !important; /* #3E4F3E, contraste 6.1:1 */
}

/*--------------------------------------------------------------
# 4. Botones Unificados
--------------------------------------------------------------*/
.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  padding: 0.8rem 1.8rem;
  border-radius: var(--border-radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-soft);
  border: 2px solid transparent; /* Reserva espacio para evitar saltos */
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-align: center;
}

/* Botón Sólido (Principal) */
.btn-primary {
  background-color: var(--primary-vibrant-green);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-deep-green);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
  color: white;
}

/* Iconos dentro de botones */
.btn i {
  transition: transform 0.3s ease;
  margin-left: 0.5rem;
}
.btn:hover i {
  transform: translateX(4px);
}

/* Botón Outline (Borde verde - Para fondos claros) */
.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--primary-vibrant-green);
  color: var(--primary-vibrant-green);
  box-shadow: none;
}

.btn-outline-primary:hover {
  background: var(--primary-vibrant-green);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* NUEVO: Botón Outline Blanco (Para usar sobre fondos oscuros/verdes) */
.btn-outline-white {
  background: transparent;
  border: 2px solid var(--white-pure);
  color: var(--white-pure);
  box-shadow: none;
}

.btn-outline-white:hover {
  background: var(--white-pure);
  color: var(--primary-deep-green);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/*--------------------------------------------------------------
# 5. Estructura y Secciones
--------------------------------------------------------------*/
section {
  padding: 80px 0; /* Espaciado más generoso */
  position: relative;
}

.section-title {
  text-align: center;
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 3rem;
  position: relative;
  color: var(--primary-deep-green);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--accent-gold);
  border-radius: 4px;
}

/* Variantes de Fondo */
.section-bg-light { background-color: var(--light-bg); }
.section-bg-white { background-color: #ffffff; }
.section-bg-gray { background-color: #f8f9fa; }

/* Fondo oscuro (Texto claro automático) */
.section-bg-dark {
  background-color: var(--primary-deep-green);
  color: var(--text-light);
}

/* En css/styles.css */

.bg-white-pure {
    background-color: #ffffff;
}

.bg-green-soft {
    background-color: #eaf4eb;
    border-top: 1px solid rgba(46, 125, 50, 0.08);
    border-bottom: 1px solid rgba(46, 125, 50, 0.08);
}

/* Sección oscura — rompe el ritmo visual */
.bg-dark-section {
    background: linear-gradient(135deg, var(--primary-deep-green) 0%, #0d3b11 100%);
    position: relative;
    overflow: hidden;
}

.bg-dark-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 80% 20%, rgba(255,179,0,0.06) 0%, transparent 60%),
                      radial-gradient(circle at 10% 80%, rgba(255,255,255,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.section-bg-dark h1,
.section-bg-dark h2,
.section-bg-dark h3,
.section-bg-dark h4,
.section-bg-dark h5,
.section-bg-dark h6 {
  color: var(--white-pure);
}

.section-bg-dark .section-title::after {
  background: var(--accent-gold); /* El acento resalta sobre verde */
}

/*--------------------------------------------------------------
# 6. Animaciones y Utilidades
--------------------------------------------------------------*/
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   # 8. ATENEA UI SYSTEM (Componentes Unificados)
   Pegar esto al final de css/styles.css
   ========================================================================== */

/* --- A. Títulos de Página Unificados --- */
/* Úsalo en el <header> de Calendario, Noticias y Documentos */
.page-header-unified {
    padding: 3.5rem 0 3rem;
    text-align: center;
    background: transparent;
}
.page-title-unified {
    color: var(--primary-deep-green);
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}
.page-subtitle-unified {
    color: var(--text-medium);
    font-family: var(--font-secondary);
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- B. Buscador Universal (Estilo Cápsula) --- */
/* Úsalo envolviendo los inputs de búsqueda */
.search-unified-style {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--white-pure);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-pill);
    padding: 8px 15px 8px 25px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 600px; /* Ancho máximo para que no se estire demasiado */
    margin: 0 auto;   /* Centrado */
}

.search-unified-style:focus-within {
    border-color: var(--primary-vibrant-green);
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.search-unified-style input {
    border: none;
    outline: none;
    width: 100%;
    background: transparent;
    color: var(--text-dark);
    font-family: var(--font-secondary);
    font-size: 1rem;
    padding: 5px;
}

.search-unified-style i {
    color: var(--primary-deep-green);
    font-size: 1.2rem;
    margin-right: 10px;
}

.search-unified-style button {
    border-radius: var(--border-radius-pill);
    padding: 8px 24px;
    font-weight: 600;
    margin-left: 5px;
}

/* --- C. Botones Filtro / Meses (Pills) --- */
/* Reemplaza las clases .month-pill o .btn-filter por .ui-pill-filter */
.ui-pill-filter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: var(--border-radius-pill);
    background: var(--white-pure);
    color: var(--primary-deep-green);
    font-family: var(--font-primary);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    margin: 0 5px 10px 0;
    white-space: nowrap;
    cursor: pointer;
}

.ui-pill-filter:hover {
    border-color: var(--primary-vibrant-green);
    color: var(--primary-vibrant-green);
    transform: translateY(-2px);
    background: var(--white-pure);
    box-shadow: var(--shadow-soft);
}

.ui-pill-filter.active {
    background: var(--primary-deep-green);
    color: var(--white-pure);
    border-color: var(--primary-deep-green);
    box-shadow: var(--shadow-medium);
}

/* --- D. Paginación Unificada --- */
.pagination {
    margin-top: 3rem;
    gap: 5px;
    justify-content: center; /* Centrar paginación */
}

.page-item .page-link {
    color: var(--primary-deep-green);
    border: 1px solid var(--border-light);
    border-radius: 8px; /* Cuadrado redondeado moderno */
    padding: 10px 18px;
    font-weight: 600;
    background: var(--white-pure);
    transition: all 0.2s ease;
}

.page-item .page-link:hover {
    background-color: var(--primary-pale-green);
    border-color: var(--primary-vibrant-green);
    color: var(--primary-deep-green);
    transform: translateY(-2px);
    text-decoration: none;
}

.page-item.active .page-link {
    background-color: var(--primary-deep-green);
    border-color: var(--primary-deep-green);
    color: var(--white-pure);
    box-shadow: var(--shadow-soft);
}

.page-item.disabled .page-link {
    color: #bbb;
    background: #fcfcfc;
    border-color: #f0f0f0;
    cursor: not-allowed;
}

/* --- Botón Volver Arriba (Floating Action Button) --- */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px; /* Un poco más grande para mejor impacto */
    height: 55px;
    background-color: var(--white-pure); /* Fondo blanco limpio */
    color: var(--primary-deep-green); /* Flecha verde para contraste */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem; /* Tamaño del icono aumentado */
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Animación tipo 'pop' */
    z-index: 9999;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2); /* Sombra más profunda para que 'flote' */
    border: 2px solid transparent;
    text-decoration: none;
}

/* Estado cuando es visible */
.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    bottom: 40px;
}

/* Efecto al pasar el mouse */
.scroll-top-btn:hover {
    background-color: var(--accent-gold); /* Cambia a dorado Atenea */
    color: var(--primary-deep-green);
    transform: translateY(-8px) scale(1.1); /* Sube y crece un poco */
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}

/* Quitamos cualquier círculo SVG que pueda estar estorbando */
.scroll-top-btn svg {
    display: none;
}

/* --- Modal Estilo Atenea --- */
.custom-atenea-modal {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: none;
    position: relative;
}

.modal-header-accent {
    height: 6px;
    background: linear-gradient(90deg, var(--primary-deep-green), var(--accent-gold));
}

.modal-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--primary-light-green);
    color: var(--primary-vibrant-green);
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.modal-title-atenea {
    color: var(--primary-deep-green);
    font-weight: 700;
    margin-bottom: 1rem;
}

.modal-text-atenea {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.modal-quote {
    background: #f8fcf9;
    padding: 1rem;
    border-left: 4px solid var(--accent-gold);
    font-style: italic;
    margin: 1.5rem 0;
    color: var(--primary-deep-green);
}

.btn-close-custom {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-muted-custom);
    transition: color 0.3s;
}

.btn-atenea-primary {
    background: var(--primary-deep-green);
    color: white;
    border-radius: var(--border-radius-pill);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
}

.btn-atenea-outline {
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-pill);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    color: var(--text-medium);
}

/*--------------------------------------------------------------
# 7. Responsividad — Breakpoints completos
   xs: < 480px  (teléfonos pequeños)
   sm: < 576px  (teléfonos)
   md: < 768px  (tablets portrait)
   lg: < 992px  (tablets landscape)
   xl: ≥ 1400px (pantallas anchas)
--------------------------------------------------------------*/

/* --- Pantallas ultrawide (≥ 1400px) --- */
@media (min-width: 1400px) {
  .container { max-width: 1320px; }
}

/* --- Tablets landscape (< 992px) --- */
@media (max-width: 991.98px) {
  .section-title { margin-bottom: 2.5rem; }
}

/* --- Tablets portrait (< 768px) --- */
@media (max-width: 767.98px) {
  section { padding: 50px 0; }

  .section-title {
    margin-bottom: 2rem;
  }

  .btn {
    padding: 0.7rem 1.4rem;
    font-size: 1rem;
  }

  /* Hero: botones full-width en tablet */
  #hero .btn {
    width: 100%;
  }
}

/* --- Teléfonos pequeños (< 480px) --- */
@media (max-width: 479.98px) {
  section { padding: 40px 0; }

  .section-title::after {
    width: 60px;
    height: 3px;
  }

  /* Floating badge: esconder en teléfonos muy pequeños para evitar overflow */
  .floating-badge {
    display: none !important;
  }

  /* Modal más compacto */
  .modal-dialog { margin: 0.5rem; }
}


/*--------------------------------------------------------------
# 8. Accesibilidad — Skip to content
--------------------------------------------------------------*/
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 99999;
  background: var(--accent-gold);
  color: var(--primary-deep-green);
  font-family: var(--font-primary);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  text-decoration: none;
  transition: top 0.2s ease;
  box-shadow: var(--shadow-medium);
}

.skip-to-content:focus {
  top: 1rem;
  outline: 3px solid var(--primary-deep-green);
  outline-offset: 2px;
}

/*--------------------------------------------------------------
# 9. Respeto por preferencias de movimiento reducido
--------------------------------------------------------------*/
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  /* Las animaciones reveal muestran el contenido directamente */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}
