/**
 * Styles pour la page d'accueil EcoWeb CenC
 * Design cohérent avec l'esthétique existante (auth.css + account-selection.css)
 * 
 * @author EcoWeb CenC
 * @version 1.0
 * @date 2025-09-09
 */

/* ============================================================================
   IMPORT & VARIABLES CSS - COHÉRENCE AVEC EXISTANT
   ============================================================================ */
:root {
  /* Couleurs principales CenC (cohérence avec auth.css) */
  --cenc-orange: rgb(223,129,56);
  --cenc-orange-dark: #D35400;
  --cenc-orange-light: #F39C12;
  
  --cenc-brown: #8B4513;
  --cenc-brown-dark: #704214;
  --cenc-brown-light: #A0522D;
  
  --cenc-green: rgb(180,201,65);
  --cenc-green-dark: #229954;
  --cenc-green-light: #2ECC71;
  
  --cenc-gold: #F39C12;
  --cenc-gold-dark: #E67E22;
  
  /* Couleurs système */
  --cenc-white: #FFFFFF;
  --cenc-gray-light: #F8F9FA;
  --cenc-gray: #6C757D;
  --cenc-gray-dark: #495057;
  
  /* Couleurs fonctionnelles */
  --success: var(--cenc-green);
  --warning: var(--cenc-orange);
  --error: #E74C3C;
  --info: #3498DB;
  
  /* Ombres et effets */
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.15);
  --shadow-orange: 0 8px 25px rgba(230, 126, 34, 0.3);
  
  /* Bordures */
  --border-radius: 8px;
  --border-radius-large: 16px;
  --border-color: rgba(108, 117, 125, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Couleurs chanvre conservées pour compatibilité */
  --cenc-hemp: rgb(228,219,205);
  --cenc-hemp-dark: var(--pncc-beige-dark);
  --cenc-hemp-light: var(--pncc-beige-light);
}

:root {
  /* Couleurs principales du logo CenC */
  --cenc-orange: #E67E22;
  --cenc-orange-dark: #D35400;
  --cenc-orange-light: #F39C12;

  --cenc-brown: #8B4513;
  --cenc-brown-dark: #704214;
  --cenc-brown-light: #A0522D;

  --cenc-green: #27AE60;
  --cenc-green-dark: #229954;
  --cenc-green-light: #2ECC71;

  --cenc-gold: #F39C12;
  --cenc-gold-dark: #E67E22;

  /* Couleurs système */
  --cenc-white: #FFFFFF;
  --cenc-gray-light: #F8F9FA;
  --cenc-gray: #6C757D;
  --cenc-gray-dark: #495057;

  /* Couleurs fonctionnelles */
  --success: var(--cenc-green);
  --warning: var(--cenc-orange);
  --error: #E74C3C;
  --info: #3498DB;

  /* Ombres et effets */
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.15);

  /* Bordures */
  --border-radius: 8px;
  --border-radius-large: 16px;
  --border-color: rgba(108, 117, 125, 0.15);

  /* Espacements */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Typographie */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-xxl: 1.5rem;
  --font-size-xxxl: 2rem;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* ============================================================================
   BASE & RESET
   ============================================================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body, 'Candara', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif);
  line-height: var(--line-height-normal, 1.6);
  color: var(--cenc-gray-dark);
  background: var(--cenc-white);
  overflow-x: hidden;
  font-size: var(--font-size-body, 1rem);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================================================
   HEADER RAPIDE
   ============================================================================ */
.top-header {
  background: var(--cenc-white);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 100;
  /* Suppression backdrop-filter pour flat design */
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logo {
  height: 40px;
  width: auto;
}

.site-title {
  font-family: var(--font-title, 'Leixo', Georgia, 'Times New Roman', serif);
  font-size: 1.5rem;
  font-weight: var(--font-weight-normal, 400);
  color: var(--cenc-brown);
}

.site-title-ecoweb {
  color: var(--cenc-green);
}

.auth-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.login-link {
  color: var(--cenc-gray);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
  padding: 0.5rem 1rem;
}

.login-link:hover {
  color: var(--cenc-green);
}

.signup-btn {
  background: var(--cenc-orange);
  color: var(--cenc-white);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-bold, 700);
  font-family: var(--font-ui, inherit);
  transition: var(--transition-smooth);
  box-shadow: none;
  border: none;
}

.signup-btn:hover {
  background: var(--cenc-orange-dark);
  transform: none;
  box-shadow: none;
  color: var(--cenc-white);
  opacity: 0.9;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */
.hero-section {
  background: var(--cenc-orange);
  color: var(--cenc-white);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

/* Suppression de la texture pour un flat design propre */

.hero-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-title, 'Leixo', Georgia, 'Times New Roman', serif);
  font-size: var(--font-size-title-xl, 2.5rem);
  font-weight: var(--font-weight-normal, 400);
  line-height: var(--line-height-tight, 1.2);
  margin-bottom: 1.5rem;
  text-shadow: none;
}

.highlight {
  color: var(--cenc-brown);
  text-shadow: none;
    2px -1px 0 rgba(255, 255, 255, 0.8),
    -1px 2px 0 rgba(255, 255, 255, 0.8),
    1px 1px 0 rgba(255, 255, 255, 0.8);
  font-weight: 800;
  letter-spacing: 0.1rem;
}

.hero-description {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  font-weight: 400;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cta-primary {
  background: var(--cenc-white);
  color: var(--cenc-orange);
  padding: 1rem 2rem;
  border-radius: var(--border-radius-large);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-medium);
}

.cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
  color: var(--cenc-orange-dark);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--cenc-white);
  padding: 1rem 2rem;
  border-radius: var(--border-radius-large);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition-smooth);
  border: 2px solid rgba(255, 255, 255, 0.3);
  /* Suppression backdrop-filter pour flat design */
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
  color: var(--cenc-white);
}

.hero-card {
  background: var(--cenc-hemp);
  /* Suppression backdrop-filter pour flat design */
  border-radius: var(--border-radius-large);
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-medium);
  color: var(--cenc-orange);
}

.hero-card .card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.hero-card p {
  font-size: 1rem;
  opacity: 0.9;
}

/* ============================================================================
   SECTION STATISTIQUES
   ============================================================================ */
.stats-section {
  padding: 3rem 0;
  background: var(--cenc-gray-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cenc-orange);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--cenc-gray);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

/* ============================================================================
   SECTIONS COMMUNES
   ============================================================================ */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-title, 'Leixo', Georgia, 'Times New Roman', serif);
  font-size: var(--font-size-title-lg, 2rem);
  color: var(--cenc-green-dark);
  margin-bottom: 1rem;
  font-weight: var(--font-weight-normal, 400);
  line-height: var(--line-height-tight, 1.2);
}

.section-header h2 strong {
  font-weight: 700;
}

.section-header p {
  font-size: var(--font-size-body-lg, 1.125rem);
  color: var(--cenc-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-normal, 1.6);
}

/* ============================================================================
   SECTION POURQUOI CENC
   ============================================================================ */
.why-section {
  padding: 5rem 0;
  background: var(--cenc-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.why-item {
  background: var(--cenc-white);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.why-item:hover {
  transform: none;
  box-shadow: var(--shadow-light);
  border-color: var(--cenc-orange);
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.why-item h3 {
  font-family: var(--font-heading-secondary, inherit);
  color: var(--cenc-green-dark);
  font-size: var(--font-size-title-sm, 1.25rem);
  margin-bottom: 1rem;
  font-weight: var(--font-weight-bold, 700);
  line-height: var(--line-height-tight, 1.2);
}

.why-item p {
  color: var(--cenc-gray-dark);
  line-height: 1.7;
}

/* ============================================================================
   SECTION TYPES DE COMPTES
   ============================================================================ */
.accounts-section {
  padding: 5rem 0;
  background: var(--cenc-gray-light);
}

.accounts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.account-type {
  background: var(--cenc-white);
  border-radius: var(--border-radius-large);
  padding: 2.5rem;
  box-shadow: var(--shadow-light);
  border: 3px solid transparent;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.account-type::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--cenc-orange);  /* Couleur plate */
  opacity: 0;
  transition: opacity 0.3s ease;
}

.account-type:hover::before {
  opacity: 1;
}

.account-type:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
  border-color: var(--cenc-orange);
}

.account-type.professional {
  position: relative;
}

.account-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.account-type h3 {
  color: var(--cenc-green-dark);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.account-badge {
  display: inline-block;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.account-badge.free {
  background: var(--cenc-green);
  color: var(--cenc-white);
}

.account-badge.pro {
  background: var(--cenc-orange);
  color: var(--cenc-white);
  position: absolute;
  top: 20px;
  right: 20px;
  transform: none;
  box-shadow: none;
  z-index: 2;
}

.account-features {
  list-style: none;
  margin-bottom: 2rem;
}

.account-features li {
  display: flex;
  align-items: center;
  margin-bottom: 0.8rem;
  color: var(--cenc-gray-dark);
  font-size: 0.95rem;
}

.account-features li::before {
  content: '✓';
  background: var(--cenc-green);
  color: var(--cenc-white);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  font-size: 11px;
  font-weight: bold;
  flex-shrink: 0;
}

.account-btn {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--cenc-orange);
  color: var(--cenc-white);
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-ui, inherit);
  font-size: var(--font-size-body-lg, 1.125rem);
  font-weight: var(--font-weight-bold, 700);
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.account-btn:hover {
  transform: none;
  box-shadow: none;
  background: var(--cenc-orange-dark);
  color: var(--cenc-white);
  text-decoration: none;
  opacity: 0.9;
}

/* ============================================================================
   SECTION APPLICATIONS
   ============================================================================ */
.apps-section {
  padding: 5rem 0;
  background: var(--cenc-white);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.app-item {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--cenc-gray-light);
  border-radius: var(--border-radius-large);
  transition: var(--transition-smooth);
}

.app-item:hover {
  background: var(--cenc-white);
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.app-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.app-item h3 {
  color: var(--cenc-green-dark);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.app-item p {
  color: var(--cenc-gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================================================
   SECTION ACTUALITÉS
   ============================================================================ */
.news-section {
  padding: 5rem 0;
  background: var(--cenc-gray-light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.news-item {
  background: var(--cenc-white);
  border-radius: var(--border-radius-large);
  padding: 2.5rem;
  box-shadow: var(--shadow-light);
  transition: var(--transition-smooth);
}

.news-item:hover {
  transform: none;
  box-shadow: var(--shadow-light);
}

.news-item.highlight {
  border: 2px solid var(--cenc-orange);
  position: relative;
}

.news-item.highlight::before {
  content: 'NOUVEAU';
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--cenc-orange);
  color: var(--cenc-white);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.news-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.news-item h3 {
  font-family: var(--font-heading-secondary, inherit);
  color: var(--cenc-green-dark);
  font-size: var(--font-size-title-sm, 1.25rem);
  margin-bottom: 1rem;
  font-weight: var(--font-weight-bold, 700);
  line-height: var(--line-height-tight, 1.2);
}

.news-item p {
  color: var(--cenc-gray-dark);
  line-height: 1.7;
}

/* ============================================================================
   SECTION CTA FINALE
   ============================================================================ */
.final-cta-section {
  padding: 5rem 0;
  background: var(--cenc-green);   /* Couleur plate */
  color: var(--cenc-white);
  text-align: center;
}

.final-cta-content h2 {
  font-family: var(--font-title, 'Leixo', Georgia, 'Times New Roman', serif);
  font-size: var(--font-size-title-lg, 2rem);
  margin-bottom: 1rem;
  text-shadow: none;
  font-weight: var(--font-weight-normal, 400);
  line-height: var(--line-height-tight, 1.2);
}

.final-cta-content p {
  font-size: var(--font-size-body-lg, 1.125rem);
  margin-bottom: 3rem;
  text-shadow: none;
  opacity: 0.95;
  line-height: var(--line-height-normal, 1.6);
}

.final-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.large {
  padding: 1.2rem 2.5rem;
  font-size: 1.2rem;
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.main-footer {
  background: var(--cenc-gray-dark);
  color: var(--cenc-white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-family: var(--font-heading-secondary, inherit);
  color: var(--cenc-orange);
  font-size: var(--font-size-title-sm, 1.25rem);
  margin-bottom: 1.5rem;
  font-weight: var(--font-weight-bold, 700);
  line-height: var(--line-height-tight, 1.2);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-logo-img {
  height: 35px;
  width: auto;
}

.footer-logo h3 {
  color: var(--cenc-orange);
  font-size: 1.3rem;
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #B0BEC5;
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.contact-info p {
  margin-bottom: 0.5rem;
  color: #B0BEC5;
}

.contact-info a {
  color: var(--cenc-orange);
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: #90A4AE;
  margin-bottom: 0.5rem;
}

.footer-subtitle {
  font-size: 0.9rem;
  font-style: italic;
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

/* Tablette */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .why-grid,
  .accounts-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .final-cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-primary,
  .cta-secondary {
    width: 100%;
    max-width: 300px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
  }
  
  .auth-links {
    width: 100%;
    justify-content: center;
  }
  
  .hero-section {
    padding: 3rem 0 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .apps-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .why-item,
  .account-type,
  .news-item {
    padding: 2rem;
  }
  
  .account-badge.pro {
    top: 10px;
    right: 10px;
    padding: 0.3rem 0.8rem;
    font-size: 0.7rem;
  }
}

/* Très petits écrans */
@media (max-width: 320px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .why-item,
  .account-type,
  .news-item,
  .app-item {
    padding: 1.5rem;
  }
}

/* ============================================================================
   ANIMATIONS & MICRO-INTERACTIONS
   ============================================================================ */

/* Animation d'entrée */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* États de focus pour accessibilité */
:focus-visible {
  outline: 2px solid var(--cenc-orange);
  outline-offset: 2px;
}

/* Scroll smooth pour navigateurs anciens */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Réduction des animations si demandé */
@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;
  }
}