/* ==========================================================================
   FUNDACIÓN ELÍAS SANTANA - HOJA DE ESTILOS INSTITUCIONAL Y SISTEMA DE DISEÑO
   Paleta oficial: Bronce Cívico (#8C7853), Negro Profundo (#121212),
   Blanco Puro (#FFFFFF) y Gris Cálido Suave (#FAF9F6).
   Tipografías: Playfair Display (Serif) y Plus Jakarta Sans (Sans-Serif), Outfit (UI).
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400;1,600;1,700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary-bronze: #8C7853;
  --primary-bronze-dark: #6E5C3D;
  --primary-bronze-light: #A48F68;
  --primary-bronze-soft: #F7F5F0;
  --primary-bronze-glow: rgba(140, 120, 83, 0.22);
  
  --secondary-black: #121212;
  --secondary-black-soft: #1B1B1B;
  --secondary-black-muted: #272727;
  
  --neutral-white: #FFFFFF;
  --neutral-warm-bg: #FAF9F6;
  --neutral-warm-card: #FFFFFF;
  --neutral-border: #E8E5DD;
  --neutral-border-light: #F0EDE5;
  
  --text-main: #1F2937;
  --text-body: #4B5563;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --text-on-dark: #FFFFFF;
  --text-on-bronze: #FFFFFF;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-ui: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(18, 18, 18, 0.08);
  --shadow-lg: 0 16px 36px -6px rgba(140, 120, 83, 0.16);
  --shadow-glow: 0 0 30px rgba(140, 120, 83, 0.25);
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--neutral-warm-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 1rem;
}

/* Headings & Serif typography refinement */
h1, h2, h3, h4, h5, h6, .font-serif {
  font-family: var(--font-serif);
  letter-spacing: -0.01em;
  font-feature-settings: "kern" 1, "liga" 1;
}

h1 {
  line-height: 1.15;
}

h2 {
  line-height: 1.22;
}

h3 {
  line-height: 1.28;
}

p {
  color: var(--text-body);
  line-height: 1.75;
}

/* Custom Selection */
::selection {
  background-color: var(--primary-bronze);
  color: var(--neutral-white);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #F1EFEA;
}
::-webkit-scrollbar-thumb {
  background: var(--primary-bronze);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-bronze-dark);
}

/* Utilities */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Header & Glassmorphism Navigation */
.navbar-glass {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232, 229, 221, 0.7);
  transition: all var(--transition-normal);
}

.navbar-glass.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px rgba(18, 18, 18, 0.06);
  border-bottom: 1px solid var(--neutral-border);
}

/* Button & Badge Tokens */
.btn-bronze {
  background: linear-gradient(135deg, #8C7853 0%, #766341 100%);
  color: var(--neutral-white);
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(140, 120, 83, 0.28);
  cursor: pointer;
  text-decoration: none;
}

.btn-bronze:hover {
  background: linear-gradient(135deg, #7A6642 0%, #635031 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(140, 120, 83, 0.38);
  color: var(--neutral-white);
}

.btn-bronze:active {
  transform: translateY(0);
}

.btn-outline-bronze {
  background-color: transparent;
  color: var(--primary-bronze-dark);
  border: 1.5px solid var(--primary-bronze);
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
}

.btn-outline-bronze:hover {
  background-color: var(--primary-bronze);
  color: var(--neutral-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(140, 120, 83, 0.2);
}

.btn-dark {
  background-color: var(--secondary-black);
  color: var(--neutral-white);
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
}

.btn-dark:hover {
  background-color: #242424;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(18, 18, 18, 0.25);
  color: var(--neutral-white);
}

.badge-bronze {
  background-color: var(--primary-bronze-soft);
  color: var(--primary-bronze-dark);
  border: 1px solid rgba(140, 120, 83, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}

/* Hero Section Accents */
.hero-halo {
  background: radial-gradient(circle, rgba(140, 120, 83, 0.16) 0%, rgba(247, 245, 240, 0) 70%);
}

.hero-portrait-frame {
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, #FFFFFF 0%, #FAF8F5 60%, #EFECE5 100%);
  border: 1px solid rgba(140, 120, 83, 0.22);
  box-shadow: var(--shadow-lg);
}

/* Card Modern Hover & Elevation */
.card-interactive {
  background: var(--neutral-white);
  border: 1px solid var(--neutral-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(140, 120, 83, 0.4);
}

.card-interactive-bronze {
  background: linear-gradient(135deg, #8C7853 0%, #6E5C3D 100%);
  color: var(--neutral-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card-interactive-bronze:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* Timeline & Anecdotes Interactive Styling */
.story-tab-selector {
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
  font-family: var(--font-ui);
  white-space: nowrap;
}

.story-tab-selector.active {
  background-color: var(--primary-bronze) !important;
  color: var(--neutral-white) !important;
  border-color: transparent !important;
  box-shadow: 0 4px 16px rgba(140, 120, 83, 0.3) !important;
}

/* Tab Navigation for Governance & Concept */
.tab-pill {
  cursor: pointer;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  border: 1px solid rgba(232, 229, 221, 0.8);
  background-color: #FFFFFF;
  user-select: none;
  white-space: nowrap;
}

.tab-pill:hover {
  color: var(--primary-bronze-dark);
  background-color: rgba(140, 120, 83, 0.08);
  border-color: rgba(140, 120, 83, 0.25);
}

.tab-pill.active {
  background-color: var(--primary-bronze) !important;
  color: var(--neutral-white) !important;
  border-color: transparent !important;
  box-shadow: 0 4px 14px rgba(140, 120, 83, 0.28) !important;
}

/* Form Controls with Focused Bronze Halo */
.form-input-custom {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background-color: #FFFFFF;
  border: 1.5px solid var(--neutral-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px minimum to avoid mobile auto-zoom */
  color: var(--text-main);
  transition: all var(--transition-fast);
  line-height: 1.5;
}

.form-input-custom:focus {
  outline: none;
  border-color: var(--primary-bronze);
  box-shadow: 0 0 0 4px rgba(140, 120, 83, 0.16);
  background-color: #FFFFFF;
}

.form-input-custom.error {
  border-color: #DC2626;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

.form-label-custom {
  display: block;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

/* Lightbox Modal for Official Brochure */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 1rem;
}

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

.modal-container {
  background: var(--neutral-white);
  border-radius: var(--radius-xl);
  max-width: 1100px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-container {
  transform: scale(1);
}

/* Animations */
@keyframes floatAnimation {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.animate-float {
  animation: floatAnimation 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.animate-pulse-glow {
  animation: pulseGlow 6s ease-in-out infinite;
}

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background: var(--secondary-black);
  color: var(--neutral-white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-left: 5px solid var(--primary-bronze);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transform: translateY(120%);
  transition: transform var(--transition-normal);
  max-width: 400px;
}

.toast-notification.show {
  transform: translateY(0);
}

/* Responsive tweaks */
@media (max-width: 640px) {
  .toast-notification {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    max-width: calc(100% - 2rem);
  }
  
  .modal-container {
    max-height: 94vh;
    border-radius: var(--radius-lg);
  }
}