/* Styles pour le site web du Salon des Bâtisseurs */

/* Variables CSS */
:root {
  /* Couleurs principales */
  --orange: #FF5500;
  --noir: #000000;
  --blanc: #FFFFFF;
  --jaune: #FFD700;
  
  /* Couleurs secondaires */
  --gris-fonce: #333333;
  --gris-clair: #F5F5F5;
  --gris-tres-clair: #EEEEEE;
  --vert: #4CAF50;
  
  /* Espacement */
  --espace-petit: 8px;
  --espace-moyen: 16px;
  --espace-grand: 32px;
  --espace-tres-grand: 64px;
  
  /* Transitions */
  --transition: 0.3s ease-in-out;
}

/* Reset et styles de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gris-fonce);
  background-color: var(--blanc);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  margin-bottom: var(--espace-moyen);
  color: var(--noir);
}

h1 {
  font-size: 48px;
  line-height: 1.2;
}

h2 {
  font-size: 36px;
  line-height: 1.3;
}

h3 {
  font-size: 24px;
  line-height: 1.4;
}

h4 {
  font-size: 20px;
  line-height: 1.5;
}

p {
  margin-bottom: var(--espace-moyen);
}

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

a:hover {
  color: var(--gris-fonce);
}

ul, ol {
  margin-bottom: var(--espace-moyen);
  padding-left: var(--espace-grand);
}

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--espace-moyen);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -var(--espace-moyen);
}

.col {
  flex: 1;
  padding: 0 var(--espace-moyen);
}

.section {
  padding: var(--espace-tres-grand) 0;
}

.section-alt {
  background-color: var(--gris-clair);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--blanc);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: var(--espace-moyen) 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 60px;
  display: block;
  max-width: 100%;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0 var(--espace-moyen);
  position: relative;
}

.nav-link {
  color: var(--noir);
  font-weight: 600;
  position: relative;
}

.nav-item .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--blanc);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: 10px 0;
  min-width: 250px;
  z-index: 1000;
}

.nav-item:hover .submenu {
  display: block;
}

.nav-item > .nav-link::after {
  content: ' ▼';
  font-size: 10px;
  vertical-align: middle;
  margin-left: 5px;
  color: var(--orange);
}

.submenu-item {
  list-style: none;
}

.submenu-link {
  color: var(--noir);
  font-weight: 400;
  padding: 8px 20px;
  display: block;
  transition: var(--transition);
  white-space: nowrap;
}

.submenu-link:hover {
  background-color: var(--gris-tres-clair);
  color: var(--orange);
}

.nav-link:hover, .nav-link.active {
  color: var(--orange);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--orange);
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--orange);
  color: var(--blanc);
  border: none;
}

.btn-primary:hover {
  background-color: #E04D00;
  color: var(--blanc);
}

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

.btn-secondary:hover {
  background-color: #FFF0E6;
  color: var(--orange);
}

.btn-white {
  background-color: var(--blanc);
  color: var(--orange);
  border: 2px solid var(--blanc);
}

.btn-white:hover {
  background-color: var(--gris-tres-clair);
  color: var(--orange);
}

/* Hero Section */
.hero {
  height: 600px; /* Hauteur fixe de 600px comme demandé */
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: var(--blanc);
  margin-top: 0; /* Suppression de l'espace blanc entre le header et l'image */
  padding-top: 80px; /* Ajout d'un padding pour compenser la hauteur du header */
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
}

.hero-logo {
  max-width: 200px;
  margin-bottom: var(--espace-moyen);
}

.hero-logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--orange);
  background-color: rgba(255, 255, 255, 0.9);
  padding: 10px 20px;
  border-radius: 5px;
  display: inline-block;
  margin-bottom: var(--espace-moyen);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-title {
  font-size: 60px;
  color: var(--blanc);
  margin-bottom: var(--espace-moyen);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 24px;
  margin-bottom: var(--espace-grand);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--espace-moyen);
}

/* Partners Banner */
.partners-banner {
  background-color: var(--blanc);
  padding: var(--espace-grand) 0;
  text-align: center;
}

.partners-banner-container {
  display: flex;
  justify-content: center;
}

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

/* Features */
.features {
  text-align: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--espace-tres-grand);
  position: relative;
}

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

.features-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--espace-grand);
}

.feature-item {
  flex: 0 0 calc(33.333% - var(--espace-grand));
  max-width: calc(33.333% - var(--espace-grand));
  margin-bottom: var(--espace-grand);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background-color: var(--orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--espace-moyen);
  color: var(--blanc);
  font-size: 36px;
}

.feature-title {
  margin-bottom: var(--espace-petit);
}

/* Cards */
.card {
  background-color: var(--blanc);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--orange);
}

.card:hover {
  box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: var(--espace-grand);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  margin-bottom: var(--espace-petit);
  color: var(--orange);
  font-size: 22px;
  text-align: center;
  border-bottom: 2px solid var(--gris-tres-clair);
  padding-bottom: 10px;
}

/* Testimonials */
.testimonials {
  text-align: center;
}

.testimonial-item {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--espace-moyen);
}

.testimonial-author {
  font-weight: 700;
}

/* Partners */
.partners {
  text-align: center;
}

.partners-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--espace-grand);
}

.partner-logo {
  max-width: 150px;
  max-height: 80px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.partner-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* CTA Section */
.cta {
  background-color: var(--orange);
  color: var(--blanc);
  text-align: center;
  padding: var(--espace-tres-grand) 0;
}

.cta-title {
  color: var(--blanc);
}

.cta .btn-secondary {
  background-color: var(--blanc);
  color: var(--orange);
  border: none;
}

.cta .btn-secondary:hover {
  background-color: var(--gris-clair);
}

/* Footer */
.footer {
  background-color: var(--gris-fonce);
  color: var(--blanc);
  padding: var(--espace-tres-grand) 0 var(--espace-grand);
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-col {
  flex: 1;
  min-width: 250px;
  margin-bottom: var(--espace-grand);
}

.footer-title {
  color: var(--blanc);
  margin-bottom: var(--espace-moyen);
  font-size: 20px;
}

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

.footer-item {
  margin-bottom: var(--espace-petit);
}

.footer-link {
  color: #CCC;
}

.footer-link:hover {
  color: var(--orange);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--espace-grand);
  margin-top: var(--espace-grand);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
  display: flex;
  gap: var(--espace-moyen);
  margin-top: var(--espace-moyen);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanc);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--orange);
  color: var(--blanc);
}

/* Tabs */
.tabs {
  margin-bottom: var(--espace-grand);
}

.tabs-nav {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--espace-grand);
  border-bottom: 2px solid var(--gris-clair);
}

.tab-item {
  margin-right: var(--espace-moyen);
}

.tab-button {
  padding: var(--espace-moyen) var(--espace-grand);
  background-color: transparent;
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--gris-fonce);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.tab-button:hover {
  color: var(--orange);
}

.tab-button.active {
  color: var(--orange);
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--gris-clair);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--espace-grand);
}

.timeline-content {
  position: relative;
  width: calc(50% - 30px);
  padding: var(--espace-moyen);
  background-color: var(--blanc);
  border-radius: 8px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-time {
  position: absolute;
  top: 0;
  width: 60px;
  height: 60px;
  background-color: var(--orange);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--blanc);
  font-weight: 700;
  line-height: 1.2;
}

.timeline-item:nth-child(odd) .timeline-time {
  left: -30px;
}

.timeline-item:nth-child(even) .timeline-time {
  right: -30px;
}

/* Accordion */
.accordion {
  margin-bottom: var(--espace-grand);
}

.accordion-item {
  margin-bottom: var(--espace-petit);
  border-radius: 4px;
  overflow: hidden;
}

.accordion-header {
  background-color: var(--gris-clair);
  padding: var(--espace-moyen);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.accordion-header:hover {
  background-color: #EAEAEA;
}

.accordion-title {
  margin: 0;
  font-size: 18px;
}

.accordion-icon {
  color: var(--orange);
  transition: var(--transition);
}

.accordion-content {
  background-color: var(--blanc);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.accordion-inner {
  padding: var(--espace-moyen);
  border: 1px solid var(--gris-clair);
  border-top: none;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

/* Form */
.form-group {
  margin-bottom: var(--espace-moyen);
}

.form-label {
  display: block;
  margin-bottom: var(--espace-petit);
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--gris-clair);
  border-radius: 4px;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 2px rgba(255, 85, 0, 0.2);
}

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

.form-check {
  display: flex;
  align-items: center;
  margin-bottom: var(--espace-petit);
}

.form-check-input {
  margin-right: var(--espace-petit);
}

/* Téléchargement Kit Média */
.download-kit {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--jaune);
  color: var(--orange);
  border-radius: 50px;
  padding: 15px 25px;
  display: flex;
  align-items: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 999;
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.download-kit:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
  color: var(--orange);
  animation: none;
}

.download-kit i {
  font-size: 28px;
  margin-right: 10px;
  color: var(--orange);
}

.download-kit-text {
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 215, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--blanc);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  z-index: 999;
  padding: 20px;
  overflow-y: auto;
  max-height: calc(100vh - 80px);
}

.mobile-menu.active {
  display: block;
}

.mobile-nav-list {
  list-style-type: none;
  padding-left: 0;
  margin: 0;
}

.mobile-nav-item {
  list-style-type: none;
  margin-bottom: 5px;
}

.mobile-nav-link {
  color: var(--noir);
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--gris-clair);
  font-weight: 600;
}

.mobile-nav-link.active, 
.mobile-nav-link:hover {
  color: var(--orange);
}

.submenu-mobile {
  font-weight: 400;
  padding-left: 15px;
  font-size: 0.9em;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--noir);
  margin: 5px 0;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive */
@media (max-width: 1024px) {
  h1 {
    font-size: 40px;
  }
  
  h2 {
    font-size: 32px;
  }
  
  .hero-title {
    font-size: 48px;
  }
  
  .feature-item {
    flex: 0 0 calc(50% - var(--espace-grand));
    max-width: calc(50% - var(--espace-grand));
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 36px;
  }
  
  h2 {
    font-size: 28px;
  }
  
  .hero {
    min-height: 300px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 20px;
  }
  
  .feature-item {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
  
  .timeline-time {
    left: 0 !important;
    right: auto !important;
  }
  
  .nav-list {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .header .btn {
    display: none;
  }
  
  .row {
    flex-direction: column;
  }
  
  .col {
    margin-bottom: var(--espace-grand);
  }
  
  .download-kit {
    bottom: 20px;
    right: 20px;
    padding: 10px 15px;
  }
  
  .download-kit i {
    font-size: 20px;
  }
  
  .download-kit-text {
    font-size: 14px;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 var(--espace-petit);
  }
  
  .section {
    padding: var(--espace-grand) 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--espace-petit);
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.5s ease-out forwards;
}

/* Pourquoi exposer grid */
.pourquoi-exposer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.pourquoi-item {
  background-color: var(--blanc);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.pourquoi-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.section-intro {
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto 30px;
  text-align: center;
  color: var(--gris-fonce);
}