/**
 * Styles principaux pour EventSea Website
 * Basés sur la palette de couleurs et le design system fournis
 */

/* ====== Variables et réinitialisation ====== */
:root {
  /* Couleurs principales */
  --primary: #4ECDC4;
  --primary-light: #7FEFE8;
  --primary-dark: #2DB5AD;
  
  /* Couleur d'accent */
  --accent: #FF6B6B;
  --accent-light: #FF9B9B;
  --accent-dark: #E84F4F;
  
  /* Accent "fun" */
  --fun-accent: #FFBE0B;
  --fun-accent-light: #FFCE4C;
  
  /* Couleurs de fond - Mode clair */
  --light-bg: #F9FCFC;
  --light-surface: #FFFFFF;
  --light-elevated: #FFFFFF;
  
  /* Couleurs de fond - Mode sombre */
  --dark-bg: #1A1B25;
  --dark-surface: #262836;
  --dark-elevated: #323546;
  --dark-highlight: rgba(99, 245, 227, 0.15);
  
  /* Couleurs de texte */
  --text-dark: #2D3748;
  --text-light: #F7FAFC;
  --text-muted: #718096;
  
  /* Autres couleurs */
  --card-border-light: rgba(0, 0, 0, 0.05);
  --card-border-dark: rgba(255, 255, 255, 0.05);
  
  /* Rayons */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-full: 9999px;
  
  /* Espacement */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Réinitialisation et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: var(--light-bg);
  color: var(--text-dark);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body.dark-mode {
  background-color: var(--dark-bg);
  color: var(--text-light);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ====== Composants d'interface ====== */

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-large);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn i {
  margin-left: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(78, 205, 196, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(78, 205, 196, 0.5);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(78, 205, 196, 0.1);
  color: var(--primary-dark);
}

/* Cartes */
.feature-card, .testimonial-card {
  background: var(--light-surface);
  border-radius: var(--radius-large);
  padding: var(--space-lg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
}

.dark-mode .feature-card, .dark-mode .testimonial-card {
  background: var(--dark-surface);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--card-border-dark);
}

.feature-card:hover, .testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ====== Header et Navigation ====== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-normal);
}

.dark-mode header {
  background-color: rgba(26, 27, 37, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

.logo a {
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-medium);
  transition: all var(--transition-fast);
}

.dark-mode .nav-links a {
  color: var(--text-light);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background-color: rgba(78, 205, 196, 0.1);
}

.mobile-menu-btn {
  display: none;
}

/* Thème toggle */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
}

#theme-button {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--text-dark);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
}

.dark-mode #theme-button {
  color: var(--text-light);
  background-color: rgba(50, 53, 70, 0.8);
}

#theme-button:hover {
  transform: rotate(15deg);
}

/* ====== Sections de contenu ====== */

/* Section Hero */
.hero {
  padding: calc(80px + var(--space-xxl)) 0 var(--space-lg);
  position: relative;
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(255, 107, 107, 0.05));
}

.dark-mode .hero {
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.15), rgba(26, 27, 37, 0));
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.hero-content h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--text-dark), #455A64);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dark-mode .hero-content h1 {
  background: linear-gradient(135deg, var(--text-light), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  color: var(--text-muted);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 80%;
  border-radius: var(--radius-large);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Correction du wave-divider pour qu'il ne chevauche pas la section Fonctionnalités */
.wave-divider {
  position: absolute;
  bottom: -2px; /* Positionner juste au bord inférieur de hero */
  left: 0;
  width: 100vw;
  overflow: hidden;
  line-height: 0;
  z-index: 3; /* Niveau supérieur pour que la vague soit au-dessus */
}

.wave-divider svg {
  display: block;
  fill: var(--light-surface); 
  width: 100%;
  height: 150px;
  min-width: 100%;
}

.dark-mode .wave-divider svg {
  fill: var(--dark-surface); 
}

/* Section features ajustée pour contraster avec la vague */
.features {
  background-color: var(--light-surface) !important;
  position: relative;
  padding-top: 100px; /* Espace pour que le contenu ne soit pas trop près de la vague */
  margin-top: -10px; /* Compenser légèrement pour éviter les problèmes d'affichage */
  z-index: 2;
  box-shadow: 0px -10px 30px rgba(0, 0, 0, 0.05); /* Ombre subtile pour renforcer la séparation */
}

.dark-mode .features {
  background-color: var(--dark-surface) !important;
  box-shadow: 0px -10px 30px rgba(0, 0, 0, 0.2);
}

.features {
  padding: var(--space-xxl) 0;
  background-color: var(--light-surface);
}

.dark-mode .features {
  background-color: var(--dark-surface);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  color: var(--text-dark);
}

.dark-mode .section-header h2 {
  color: var(--text-light);
}

.section-header p {
  font-size: 1.2rem;
  color: var(--text-muted);
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--text-dark);
}

.dark-mode .feature-card h3 {
  color: var (--text-light);
}

.feature-card p {
  color: var(--text-muted);
}

/* Section témoignages */
.testimonials {
  padding: var(--space-xxl) 0;
  background-color: var(--light-bg);
}

.dark-mode .testimonials {
  background-color: var(--dark-bg);
}

.testimonial-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-content {
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial-content p {
  font-size: 1.1rem;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.author-info h4 {
  font-weight: 600;
  color: var(--text-dark);
}

.dark-mode .author-info h4 {
  color: var(--text-light);
}

.author-info span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Section Téléchargement */
.download {
  padding: var(--space-xxl) 0;
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.08), rgba(255, 107, 107, 0.05));
}

.dark-mode .download {
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.08), rgba(26, 27, 37, 0));
}

.download .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var (--space-xl);
  align-items: center;
}

.download-content {
  max-width: 540px;
}

.download-content h2 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--text-dark);
}

.dark-mode .download-content h2 {
  color: var(--text-light);
}

.download-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  color: var(--text-muted);
}

.download-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--dark-bg);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-medium);
  transition: all var(--transition-fast);
}

.dark-mode .download-btn {
  background: var(--dark-elevated);
  border: 1px solid var(--card-border-dark);
}

.download-btn i {
  font-size: 2rem;
}

.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn .btn-text span {
  font-size: 0.8rem;
}

.download-btn .btn-text strong {
  font-size: 1.1rem;
}

.download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.app-screens {
  position: relative;
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.app-screen {
  max-width: 220px;
  border-radius: var(--radius-large);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.app-screen:nth-child(2) {
  margin-top: var(--space-xl);
}

/* ====== Footer ====== */
footer {
  background-color: var(--light-surface);
  padding: var(--space-xl) 0 var(--space-md);
}

.dark-mode footer {
  background-color: var(--dark-surface);
}

.footer-top {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-logo {
  flex: 1.5;
  min-width: 250px;
}

.footer-links {
  flex: 2.5;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: var(--space-lg);
}

.footer-links-column {
  flex: 1;
  min-width: 120px;
}

.footer-logo p {
  margin-top: var(--space-sm);
  color: var(--text-muted);
  max-width: 300px;
}

.footer-links-column h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  color: var(--text-dark);
}

.dark-mode .footer-links-column h4 {
  color: var(--text-light);
}

.footer-links-column ul {
  list-style: none;
}

.footer-links-column li {
  margin-bottom: var(--space-sm);
}

.footer-links-column a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.social-icons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(78, 205, 196, 0.1);
  color: var(--primary);
  transition: all var(--transition-fast);
}

.social-icons a:hover {
  background-color: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--card-border-light);
}

.dark-mode .footer-bottom {
  border-top-color: var(--card-border-dark);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Correction pour le footer - alignement horizontal */
.footer-links {
  display: flex;
  flex-direction: row; /* Force l'alignement horizontal */
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-links-column {
  flex: 1;
  min-width: 150px; /* Assure une largeur minimale pour éviter des colonnes trop étroites */
}

/* ====== Styles pour la page Confidentialité ====== */
.privacy-hero {
  padding: calc(80px + var(--space-lg)) 0 var(--space-lg);
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(255, 107, 107, 0.05));
}

.dark-mode .privacy-hero {
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.15), rgba(26, 27, 37, 0));
}

.privacy-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-lg) 0;
}

.privacy-header h1 {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  color: var(--text-dark);
}

.dark-mode .privacy-header h1 {
  color: var(--text-light);
}

.privacy-header p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.privacy-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.privacy-content {
  padding: var(--space-xl) 0;
  background-color: var(--light-surface);
}

.dark-mode .privacy-content {
  background-color: var(--dark-surface);
}

.privacy-container {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-article {
  line-height: 1.8;
}

.privacy-article h2 {
  font-size: 2rem;
  margin: var(--space-lg) 0 var(--space-md);
  color: var(--text-dark);
}

.privacy-article h3 {
  font-size: 1.5rem;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--text-dark);
}

.dark-mode .privacy-article h2,
.dark-mode .privacy-article h3 {
  color: var(--text-light);
}

.privacy-article p {
  margin-bottom: var(--space-md);
}

.privacy-article ul, 
.privacy-article ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.privacy-article li {
  margin-bottom: var(--space-xs);
}

.privacy-article a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-article a:hover {
  color: var(--primary-dark);
}

/* ====== Styles pour la page Contact ====== */
.contact-hero {
  padding: calc(80px + var(--space-lg)) 0 var(--space-lg);
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(255, 107, 107, 0.05));
}

.dark-mode .contact-hero {
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.15), rgba(26, 27, 37, 0));
}

.contact-container {
  padding: var(--space-xl) 0;
  background-color: var(--light-surface);
}

.dark-mode .contact-container {
  background-color: var(--dark-surface);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var (--text-dark);
}

.dark-mode .contact-info h2 {
  color: var(--text-light);
}

.contact-info p {
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
  color: var(--text-muted);
}

.contact-methods {
  margin-top: var(--space-lg);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-method-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-method-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--text-dark);
}

.dark-mode .contact-method-content h3 {
  color: var(--text-light);
}

.contact-method-content p, 
.contact-method-content a {
  color: var(--text-muted);
  font-size: 1rem;
}

.contact-form {
  background-color: var(--light-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-large);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.dark-mode .contact-form {
  background-color: var(--dark-elevated);
  border: 1px solid var(--card-border-dark);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--text-dark);
}

.dark-mode .form-group label {
  color: var(--text-light);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-medium);
  border: 1px solid var(--card-border-light);
  background-color: var(--light-bg);
  color: var(--text-dark);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.dark-mode .form-control {
  background-color: var(--dark-bg);
  border-color: var(--card-border-dark);
  color: var(--text-light);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.2);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  width: 100%;
}

/* ====== Media Queries ====== */
@media (max-width: 992px) {
  .hero .container,
  .download .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content,
  .download-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .cta-buttons,
  .download-buttons {
    justify-content: center;
  }

  .footer-top {
    flex-direction: column;
  }
  
  .footer-links {
    width: 100%;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
  }

  .dark-mode .mobile-menu-btn {
    color: var(--text-light);
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .testimonial-slider {
    grid-template-columns: 1fr;
  }

  .app-screens {
    display: none;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    order: 2;
  }
  
  .contact-form-container {
    order: 1;
    margin-bottom: var(--space-lg);
  }
}

@media (max-width: 576px) {
  .footer-top {
    grid-template-columns: 1fr;
  }

  .cta-buttons,
  .download-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
  
  .footer-links {
    flex-direction: column;
  }
  
  .footer-links-column {
    margin-bottom: var(--space-lg);
  }
}