/**
 * style.css - Feuille de style principale
 * Application de cartographie interactive des bombardements atomiques
 * Développé par l'équipe M2 SIGAT - Université Rennes 2
 * LU CONG SANG Kévin.
 */

/* ----- NORMALISATION & BASE ----- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

:root {
  /* Palette de couleurs principale */
  --primary: #AF0D1D;         /* Rouge principal - couleur de l'explosion */
  --primary-light: #D73C4E;   /* Rouge clair */
  --primary-dark: #7D0914;    /* Rouge foncé */
  
  /* Couleurs secondaires */
  --secondary: #1A1A1A;       /* Gris très foncé - presque noir */
  --secondary-light: #333;    /* Gris foncé */
  --secondary-lighter: #666;  /* Gris moyen */
  
  /* Couleurs de fond */
  --background: #FFFFFF;      /* Blanc */
  --background-alt: #F6F6F6;  /* Gris très clair */
  
  /* Couleurs de texte */
  --text: #1A1A1A;            /* Noir pour le texte principal */
  --text-light: #666;         /* Gris pour le texte secondaire */
  --text-lighter: #999;       /* Gris clair pour les légendes */
  --text-white: #FFF;         /* Blanc pour le texte sur fond sombre */
  
  /* Couleurs fonctionnelles */
  --success: #f39c9e;         /* Rose pour les zones sauvées */
  --warning: #ea504c;         /* Rouge clair pour les zones endommagées */
  --danger: #af0d1d;          /* Rouge foncé pour les zones détruites */
  
  /* Z-index layers */
  --z-back: 1;
  --z-normal: 2;
  --z-front: 3;
  --z-overlay: 10;
  --z-modal: 20;
  --z-extreme: 100;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-normal: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  
  /* Ombres */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.12), 0 1px 3px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.16), 0 6px 10px rgba(0,0,0,0.1);
  --shadow-xl: 0 15px 35px rgba(0,0,0,0.18), 0 10px 25px rgba(0,0,0,0.1);
}

/* Application des styles de base */
html, body {
  width: 100%;
  height: 100%;
  font-family: Arial, sans-serif;
  font-size: 16px;
  background-color: var(--background);
  color: var(--text);
  overflow: hidden;
  overscroll-behavior: none; 
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
}

/* Typographie de base */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5em;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.8rem;
}

p {
  margin-bottom: 1em;
  line-height: 1.6;
}

/* ----- LIENS ----- */
a {
  color: var(--primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.source-link {
  color: inherit;
  text-decoration: underline;
  transition: color 0.2s ease;
}

.source-link:hover {
  color: var(--primary);
}

/* ----- LOADER ----- */
#loading-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--secondary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: var(--z-modal);
  opacity: 1;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#loading-indicator.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-circle {
  width: 60px;
  height: 60px;
  border: 6px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 20px;
}

#loading-indicator p {
  color: var(--text-white);
  font-size: 1rem;
  letter-spacing: 1px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ----- BARRE DE PROGRESSION GLOBALE ----- */
#progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  z-index: var(--z-overlay);
}

#progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: var(--primary);
  transition: width 0.05s linear;
}

#progress-indicator {
  position: absolute;
  top: -2px;
  right: 0;
  width: 12px;
  height: 9px;
  background: var(--primary);
  border-radius: 6px;
  transform: translateX(0);
  box-shadow: 0 0 8px rgba(175, 13, 29, 0.8);
}

/* ----- CONTENEUR DE CARTE ----- */
#map-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-back);
  overflow: hidden;
}

#map {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.map-vignette {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow: inset 0 0 150px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  z-index: 1;
}

/* ----- CONTENEUR DE DÉFILEMENT ----- */
#scroll-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-normal);
  overflow-y: scroll;
  overflow-x: hidden;
  background: transparent;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

#scroll-container::-webkit-scrollbar {
  display: none;
}

.scroller {
  position: relative;
  width: 100%;
}

.step {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: block;
}

/* ----- BADGE DE SECTION ----- */
.section-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-weight: bold;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 4px;
  margin-bottom: 15px;
  transform: translateY(0);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.sticky-content:hover .section-badge {
  transform: translateY(-3px);
}

/* ----- SECTION INTRO ----- */
.intro-background {
  background: var(--secondary);
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.intro-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
  background: rgba(0, 0, 0, 0.1);
}

.intro-content {
  width: 80%;
  max-width: 900px;
  background: rgba(0, 0, 0, 0.7);
  padding: 50px;
  border-left: 6px solid var(--primary);
  box-shadow: var(--shadow-xl);
  position: relative;
  animation: fadeInUp 1.2s ease-out;
  transform: translateY(0);
  transition: transform 0.4s ease-out;
}

.intro-content:hover {
  transform: translateY(-5px);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.intro-badge {
  position: absolute;
  top: -25px;
  left: -25px;
  background: var(--primary);
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
  padding: 10px 15px;
  border-radius: 5px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transform: rotate(-5deg);
  z-index: 3;
}

.pulse-effect {
  animation: pulse-badge 3s infinite alternate;
}

@keyframes pulse-badge {
  0% {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
  100% {
    box-shadow: 0 4px 20px rgba(175, 13, 29, 0.8);
  }
}

.intro-title {
  text-align: center;
  font-size: 5rem;
  font-weight: 900;
  color: white;
  text-transform: uppercase;
  letter-spacing: 2px;
  line-height: 1.1;
  margin: 0;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.intro-line {
  display: block;
  margin-bottom: 5px;
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.intro-content:hover .intro-line {
  transform: translateY(-3px);
}

.intro-line-highlight {
  display: block;
  color: var(--primary);
  font-size: 130%;
  margin: -5px 0;
  position: relative;
  z-index: 2;
  font-weight: 900;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.6);
}

.intro-separator {
  width: 80px;
  height: 4px;
  background: var(--primary);
  margin: 25px auto;
}

.intro-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  font-size: 0.9rem;
  letter-spacing: 1px;
  max-width: 550px;
  margin: 25px auto 0;
}

.meta-info {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.meta-date, .byline {
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 3px;
  border-bottom: 2px solid rgba(175, 13, 29, 0.7);
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* ----- SECTION PACIFIC COMBINED ----- */
.pacific-combined {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #F6F6F6;
}

.pacific-container {
  display: flex;
  width: 100%;
  min-height: 90vh;
  background-color: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
  max-width: 1800px;
}

/* Partie carte */
.pacific-map-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
  overflow: hidden;
  padding: 0;
}

.pacific-map-side img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Partie texte */
.pacific-text-side {
  flex: 1;
  padding: 50px;
  display: flex;
  flex-direction: column;
  background-color: white;
  overflow-y: auto;
}

.pacific-badge {
  display: inline-block;
  background: #AF0D1D;
  color: white;
  font-weight: bold;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.pacific-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 30px;
  line-height: 1.2;
  color: #1A1A1A;
}

.pacific-content {
  color: #333;
}

.pacific-content p {
  margin-bottom: 20px;
  line-height: 1.6;
  text-align: justify;
  font-size: 16px;
}

.pacific-quote {
  margin: 30px 0;
  padding: 20px 30px;
  font-style: italic;
  font-size: 20px;
  border-left: 4px solid #AF0D1D;
  border-right: 4px solid #AF0D1D;
  background: #F6F6F6;
  position: relative;
  color: #333;
  text-align: center;
}

.pacific-quote::before {
  content: '"';
  position: absolute;
  top: 0;
  left: 10px;
  font-size: 60px;
  color: #AF0D1D;
  opacity: 0.2;
  line-height: 1;
}

.pacific-quote cite {
  display: block;
  margin-top: 10px;
  font-size: 16px;
}

/* ----- TIMELINE SECTION ----- */
#timeline {
  background-color: var(--background-alt);
  padding: 80px 0 120px;
  position: relative;
  overflow: hidden;
}

.timeline-header {
  text-align: center;
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.timeline-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 60px;
}

/* Container global de la timeline */
.timeline {
  position: relative;
  margin: 0 auto;
  padding: 0;
  width: 90%;
  max-width: 1200px;
}

/* Ligne verticale centrale */
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: linear-gradient(to bottom, 
    var(--primary-dark),
    var(--primary),
    var(--primary-light),
    var(--primary));
  transform: translateX(-50%);
  z-index: 0;
  border-radius: 3px;
  box-shadow: var(--shadow-md);
}

/* Style de chaque élément (bloc événement) */
.timeline-item {
  position: relative;
  width: 100%;
  margin-bottom: 70px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Contenu textuel et image des cartes */
.timeline-content,
.timeline-image {
  width: 42%;
  position: relative;
  z-index: 1;
}

.timeline-content {
  background: white;
  border: none;
  border-radius: 8px;
  padding: 25px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  overflow: hidden;
  transform: translateY(0);
}

.timeline-content:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.timeline-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 3px solid white;
}

.timeline-image img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* Positionnement gauche-droite */
.timeline-content.left,
.timeline-image.left {
  margin-right: 8%;
  text-align: right;
}

.timeline-content.right,
.timeline-image.right {
  margin-left: 8%;
  text-align: left;
}

.timeline-caption {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 8px;
  font-style: italic;
}

/* Bandeau coloré sur le côté */
.timeline-content::after {
  content: '';
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: var(--primary);
}

.timeline-content.left::after {
  right: 0;
}

.timeline-content.right::after {
  left: 0;
}

/* Animation au scroll */
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Élément central final */
.timeline-item.center {
  width: 80%;
  margin-left: 10%;
  flex-direction: column;
  text-align: center;
  padding: 0;
  z-index: 2;
  margin-top: 30px;
}

.timeline-item.center .timeline-content {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--primary);
  text-align: center;
}

.timeline-item.center .timeline-content::after {
  display: none;
}

/* Titres */
.timeline-title {
  font-size: 1.3rem;
  margin: 0 0 12px;
  color: var(--secondary);
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.timeline-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary);
}

.timeline-content.left .timeline-title::after {
  right: 0;
}

.timeline-content.right .timeline-title::after {
  left: 0;
}

.timeline-item.center .timeline-title::after {
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
}

/* Mise en forme de la date */
.timeline-date {
  display: inline-block;
  font-weight: bold;
  color: white;
  margin-bottom: 15px;
  font-size: 0.95rem;
  background-color: var(--primary);
  padding: 6px 12px;
  border-radius: 30px;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.timeline-item.center .timeline-date {
  background-color: var(--primary);
  font-size: 1.1rem;
  padding: 8px 15px;
}

.timeline-content p {
  margin: 0;
  line-height: 1.6;
  color: var(--text);
  font-size: 1rem;
}

/* Points sur la ligne */
.timeline-item::after {
  content: '';
  position: absolute;
  top: 40px;
  left: 50%;
  width: 20px;
  height: 20px;
  background: white;
  border: 4px solid var(--primary);
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(175, 13, 29, 0.3);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

/* Animation de pulsation */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(175, 13, 29, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(175, 13, 29, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(175, 13, 29, 0);
  }
}

.timeline-item.visible::after {
  animation: pulse 2s infinite;
}

/* Style pour l'élément central (Heure H) */
.timeline-item.center::after {
  top: 10px;
  width: 30px;
  height: 30px;
  background: var(--primary);
  border: 4px solid white;
}

/* Horloge pour "Heure H" */
.timeline-clock {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.clock-face {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: white;
  position: relative;
  border: 3px solid var(--primary);
  box-shadow: var(--shadow-md);
}

.clock-hand {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 3px;
  background: var(--primary);
  transform-origin: 0 50%;
  transform: rotate(60deg);
}

.clock-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

/* ----- SECTIONS D'ARTICLES ----- */
#lorem-section,
#post-infographie-section {
  background: white;
  color: var(--text);
  min-height: 60vh;
  padding: 80px 0;
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0;
  text-align: center;
}

.content-wrapper {
  padding: 0 20px;
  text-align: center;
}

.article-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
  color: #1A1A1A;
  line-height: 1.2;
  text-align: center;
}

.article-content {
  color: #333;
  line-height: 1.6;
  max-width: 650px;
  margin: 0 auto;
}

/* Texte justifié */
.article-content p {
  text-align: justify;
  hyphens: auto;
}

.lead-paragraph {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #1A1A1A;
}

.article-quote {
  margin: 30px auto;
  padding: 20px 30px;
  font-style: italic;
  font-size: 20px;
  border-left: 4px solid #AF0D1D;
  border-right: 4px solid #AF0D1D;
  background: #F6F6F6;
  position: relative;
  color: #333;
  max-width: 550px;
  text-align: center;
}

.article-quote::before {
  content: '"';
  position: absolute;
  top: 0;
  left: 10px;
  font-size: 60px;
  color: #AF0D1D;
  opacity: 0.2;
  line-height: 1;
}

.article-quote cite {
  display: block;
  margin-top: 10px;
  font-size: 16px;
}

/* ----- CONTENEURS STICKY (HIROSHIMA, NAGASAKI, RENNES) ----- */
.sticky-container {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 40px;
  z-index: var(--z-normal);
}

.sticky-content {
  background: rgba(255, 255, 255, 0.95);
  padding: 35px;
  max-width: 550px;
  margin: 20px;
  box-shadow: var(--shadow-lg);
  border-radius: 8px;
  border-left: 5px solid var(--primary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sticky-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* ----- CONTENEUR DE TEXTE & CONTENU ----- */
.text-container {
  background: white;
  color: var(--text);
  padding: 30px;
}

.text-container h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--secondary);
}

.intro-paragraph {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1.5em;
  color: var(--secondary);
}

/* Points d'impact */
.impact-legend {
  list-style: none;
  margin: 20px 0;
}

/* Ajoute les deux-points avec espaces insécables après les balises strong */
.impact-legend li strong::after {
  content: "\00A0:\00A0";
}

/* Empêche le retour à la ligne dans les éléments de légende */
.impact-legend li {
  display: flex;
  align-items: flex-start;
  flex-wrap: nowrap;
  margin-bottom: 12px;
}

/* Assure que le texte strong ne se rétrécit pas */
.impact-legend li strong {
  flex-shrink: 0;
  white-space: nowrap;
}

/* S'assure que le point de couleur reste aligné */
.impact-legend .impact-dot {
  flex-shrink: 0;
  margin-right: 10px;
  margin-top: 4px;
}

.impact-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  margin-right: 10px;
  flex-shrink: 0;
}

.impact-dot.destruction {
  background: var(--danger);
}

.impact-dot.partial, .impact-dot.fire {
  background: var(--warning);
}

.impact-dot.spared {
  background: var(--success);
}

/* Conteneur de statistiques */
.stat-container {
  display: flex;
  gap: 20px;
  margin: 30px 0;
}

.stat-item {
  flex: 1;
  background: var(--background-alt);
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  border-bottom: 3px solid var(--primary);
  transition: transform 0.2s ease;
}

.stat-item:hover {
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ----- SECTIONS HIROSHIMA, NAGASAKI ET RENNES IMPACT ----- */
#hiroshima,
#nagasaki,
#rennes-impact {
  min-height: 200vh;
}

/* ----- SECTION INFOGRAPHIE ----- */
#infographie-hiroshima {
  background: var(--background);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 60px 0;
}

.infographie-container {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 40px;
  gap: 40px;
}

.infographie-text {
  flex: 0 0 40%;
  background: white;
  padding: 30px;
  color: var(--text);
  box-shadow: var(--shadow-md);
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.infographie-text:hover {
  transform: translateY(-5px);
}

.infographie-tabs {
  display: flex;
  margin: 25px 0 15px;
  border-bottom: 2px solid var(--background-alt);
}

.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  font-weight: bold;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
}

.tab-content {
  display: none;
  padding: 20px 0;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.data-list {
  list-style: none;
}

.data-list li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--background-alt);
}

.data-list li:last-child {
  border-bottom: none;
}

.data-list li strong {
  color: var(--secondary);
}

/* Partie interactive de l'infographie */
.infographie-image {
  flex: 0 0 60%;
}

.infographie-interactive {
  background: var(--secondary-light);
  padding: 30px;
  border-radius: 8px;
  color: white;
  height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* Affichage des bombes */
.bomb-display {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
  position: relative;
}

.bomb-display img {
  max-height: 300px;
  max-width: 100%;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.bomb-display img:hover {
  transform: translateY(-10px);
}

.bomb-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px;
  text-align: center;
  border-radius: 0 0 8px 8px;
}

.bomb-info span {
  font-weight: bold;
  font-size: 1.2rem;
}

.bomb-info .bomb-power {
  color: var(--primary-light);
  margin-left: 10px;
}

/* Animations pour les bombes */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-bomb {
  animation: fadeInScale 0.5s ease forwards;
}

/* ----- SECTION CONCLUSION ----- */
#conclusion {
  background: white;
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 80px;
}

/* Style pour le bandeau pleine largeur */
.full-width-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  overflow: hidden;
  height: 620px;
}

.full-width-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.full-width-banner .image-credit {
  position: absolute;
  bottom: 15px;
  right: 20px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 4px;
}

/* ----- LÉGENDE FIXES ----- */
#fixed-legend {
  position: fixed !important;
  top: 20px !important;
  left: 20px !important;
  z-index: var(--z-overlay) !important;
}

.fixed-legend-content {
  background: rgba(255, 255, 255, 0.95);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-md);
  border: none;
  border-left: 4px solid var(--primary);
  transform: translateY(0);
  transition: transform 0.3s ease;
  animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.fixed-legend-content:hover {
  transform: translateY(-3px);
}

.legend-title {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--secondary);
}

.toggle-btn {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #eee;
  border-radius: 30px;
  cursor: pointer;
  padding: 8px 12px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  margin-right: 10px;
  margin-bottom: 8px;
}

.toggle-btn:hover {
  background: white;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.toggle-btn.inactive {
  opacity: 0.5;
}

.toggle-btn svg {
  width: 16px;
  height: 16px;
  margin-right: 8px;
}

.toggle-label {
  font-size: 0.85em;
  color: var(--text);
}

/* ----- FOOTER ----- */
#footer {
  background: #292929;
  color: #e0e0e0;
  padding: 60px 0;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* HEADER SECTION */
.footer-header {
  margin-bottom: 60px;
  border-bottom: 1px solid #404040;
  padding-bottom: 40px;
}

.footer-logo {
  text-align: center;
}

.footer-brand-img {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-logo-img {
  height: 50px;
  transition: transform 0.3s ease;
}

.footer-logo-img:hover {
  transform: translateY(-3px);
}

.footer-logo h2 {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
}

.footer-logo-img[src*="sigat"] {
  height: 80px !important;
}

/* MAIN CONTENT - GRID */
.footer-main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  margin-bottom: 60px;
}

.footer-column h3 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: #af0d1d;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column li {
  margin-bottom: 10px;
}

/* BIBLIOGRAPHY SECTION */
.bibliography-toggle {
  width: 100%;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid #404040;
}

.bibliography-toggle h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.toggle-icon {
  transition: transform 0.3s ease;
}

.bibliography-toggle[aria-expanded="true"] .toggle-icon {
  transform: rotate(180deg);
}

.bibliography-content {
  display: none;
  animation: slideDown 0.5s ease forwards;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.bibliography-content[aria-hidden="false"] {
  display: block;
  animation: slideDown 0.5s ease forwards;
}

.bibliography-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
}

.bibliography-group {
  background: rgba(255, 255, 255, 0.02);
  padding: 30px;
  border-radius: 8px;
  border: 1px solid #404040;
}

.bibliography-group h4 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #404040;
}

.bibliography-item {
  margin-bottom: 20px;
  position: relative;
  padding: 15px;
  background: rgba(255, 255, 255, 0.01);
  border-left: 3px solid transparent;
  transition: all 0.3s ease;
}

.bibliography-item:hover {
  border-left-color: #af0d1d;
  background: rgba(255, 255, 255, 0.03);
}

.bibliography-item p {
  margin: 0;
  line-height: 1.6;
}

.bibliography-category {
  display: inline-block;
  background: #af0d1d;
  color: white;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 12px;
  margin-top: 8px;
}

/* COPYRIGHT BAR */
.footer-copyright {
  border-top: 1px solid #404040;
  padding-top: 30px;
  margin-top: 60px;
}

.copyright-container {
  text-align: center;
}

/* Animation pour la bibliographie */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

.bibliography-content.closing {
  animation: slideUp 0.5s ease forwards;
}

/* Style pour la ligne avec séparateurs */
.additional-credit {
  margin-top: 8px;
  font-size: 0.85em;
  text-align: center;
  position: relative;
  padding-top: 10px;
  color: rgba(255, 255, 255, 0.7);
}

.additional-credit:before {
  content: "";
  position: absolute;
  top: 0;
  left: 25%;
  right: 25%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.dev-tag {
  color: rgba(255, 255, 255, 0.5);
  margin-right: 5px;
}

.dev-names a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.dev-names a:hover {
  color: #fff;
  text-shadow: 0 0 5px rgba(175, 13, 29, 0.5);
}

/* ----- ANIMATIONS GÉNÉRALES ----- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- STYLES POUR LES INFOGRAPHIES DE BOMBES ----- */
.infographie-interactive {
  height: 600px !important;
  padding: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bomb-container {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bomb-container img {
  max-height: 450px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(255, 0, 0, 0.3));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.bomb-container img:hover {
  transform: translateY(-5px);
  filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.5));
}

.bomb-title {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  width: 100%;
  padding: 10px 15px;
  text-align: center;
  border-radius: 4px;
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bomb-name {
  font-size: 1.5rem;
  font-weight: bold;
}

/* Comparaison des bombes */
.bombs-comparison {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

/* ----- RESPONSIVE DESIGN ----- */
@media (max-width: 1200px) {
  .intro-title {
    font-size: 4rem;
  }
  
  .intro-content {
    width: 90%;
    padding: 40px;
  }
  
  .infographie-container {
    flex-direction: column;
    align-items: center;
  }
  
  .infographie-text,
  .infographie-image {
    flex: 0 0 100%;
    max-width: 700px;
    width: 100%;
    margin-bottom: 30px;
  }
  
  .sticky-container {
    justify-content: center;
    padding-right: 0;
  }
  
  .sticky-content {
    max-width: 90%;
  }
  
  #conclusion .article-container {
    max-width: 90%;
  }
  
  /* Responsive pour la timeline */
  .timeline-item {
    flex-direction: column;
    align-items: center;
  }
  
  .timeline-content, .timeline-image {
    width: 80%;
    margin: 0 0 20px 0 !important;
    text-align: center !important;
  }
  
  .timeline-content.left .timeline-title::after,
  .timeline-content.right .timeline-title::after {
    left: 50%;
    transform: translateX(-50%);
    right: auto;
  }
  
  /* Responsive pour la section Pacific */
  .pacific-container {
    flex-direction: column;
  }
  
  .pacific-map-side, .pacific-text-side {
    flex: none;
    width: 100%;
  }
  
  .pacific-map-side {
    height: 50vh;
  }
  
  .pacific-text-side {
    padding: 30px;
  }
  
  /* Responsive pour les bombes */
  .bombs-comparison {
    flex-direction: column;
    gap: 30px;
  }
  
  .bomb-container {
    width: 100%;
  }
  
  .bomb-container img {
    max-height: 300px;
  }
}

@media (max-width: 900px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .intro-title {
    font-size: 3.2rem;
  }
  
  .intro-badge {
    font-size: 1rem;
    top: -20px;
    left: -15px;
  }
  
  .intro-content {
    padding: 30px;
  }
  
  #fixed-legend {
    left: 10px;
    bottom: 10px;
    top: auto;
  }
  
  .fixed-legend-content {
    max-width: calc(100vw - 20px);
  }
  
  .infographie-interactive {
    height: auto;
    padding: 20px;
  }
  
  .bomb-display {
    height: auto;
    margin-bottom: 40px;
  }
  
  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .full-width-banner {
    height: 300px;
  }
  
  .article-title {
    font-size: 24px;
  }
  
  .lead-paragraph {
    font-size: 16px;
  }
  
  .article-quote {
    font-size: 18px;
    padding: 15px 20px;
  }
  
  .content-container {
    padding: 0 15px;
  }
}

@media (max-width: 768px) {
  .footer-content {
    padding: 40px 20px;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-brand-img {
    flex-direction: column;
    gap: 20px;
  }
  
  .bibliography-grid {
    grid-template-columns: 1fr;
  }
  
  /* Ajustement pour l'affichage mobile */
  html, body {
    overflow: auto !important;
    height: auto !important;
    position: static !important;
  }
  
  #scroll-container {
    position: static !important;
    height: auto !important;
    overflow: visible !important;
  }
  
  .sticky-container {
    position: relative !important;
    height: auto !important;
    top: auto !important;
  }
  
  #map-container {
    position: relative !important;
    height: 50vh !important;
    margin-bottom: 20px !important;
  }
  
  #fixed-legend {
    position: absolute !important;
    top: 10px !important;
    left: 10px !important;
    z-index: 1000 !important;
  }
}

@media (max-width: 600px) {
  body {
    cursor: auto;
  }
  
  .intro-title {
    font-size: 2.5rem;
  }
  
  .intro-line-highlight {
    font-size: 120%;
  }
  
  .intro-meta {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  /* Adaptation responsive pour la timeline */
  .timeline {
    width: 95%;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 50px;
    padding-right: 15px;
    left: 0 !important;
    text-align: left !important;
    margin-bottom: 40px;
  }
  
  .timeline-content, .timeline-image {
    width: 100% !important;
  }
  
  .timeline-item::after {
    left: 12px;
    right: auto;
  }
  
  .timeline-content.left::after,
  .timeline-content.right::after {
    left: 0;
    right: auto;
  }
  
  .sticky-content {
    max-width: 100%;
    margin: 10px;
    padding: 20px;
  }
  
  .stat-container {
    flex-direction: column;
    gap: 10px;
  }
  
  .tab-btn {
    padding: 10px;
    font-size: 0.9rem;
  }
  
  .full-width-banner {
    height: 200px;
  }
  
  #conclusion .article-quote {
    padding: 15px;
    font-size: 16px;
  }
  
  #progress-container {
    height: 4px;
  }
  
  /* Rendre les légendes adaptées au mobile */
  #fixed-legend {
    width: calc(100% - 20px);
    text-align: center;
  }
  
  .fixed-legend-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .toggle-btn {
    margin: 5px;
  }
  
  .lead-paragraph {
    font-size: 1.1rem;
  }
  
  .clock-face {
    width: 60px;
    height: 60px;
  }
  
  .clock-hand {
    width: 25px;
  }
  
  /* Ajustements pour les liens dans le footer */
  .additional-credit {
    font-size: 0.75em;
  }
  
  .dev-names {
    display: block;
    margin-top: 5px;
  }
  
  /* Ajustements pour les bombes */
  .infographie-interactive {
    height: auto !important;
    min-height: 500px;
  }
  
  .bomb-container img {
    max-height: 250px;
  }
  
  .bomb-name {
    font-size: 1.2rem;
  }
}