/* Variables couleurs professionnelles */
:root {
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --navy-600: #475569;
  --navy-500: #64748b;
  --navy-400: #94a3b8;
  --navy-300: #cbd5e1;
  --navy-200: #e2e8f0;
  --navy-100: #f1f5f9;
  --navy-50: #f8fafc;
  
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-gold: #d97706;
  --accent-gold-hover: #b45309;
  
  --text-primary: var(--navy-900);
  --text-secondary: var(--navy-600);
  --text-muted: var(--navy-500);
  --border-light: var(--navy-200);
  --bg-subtle: var(--navy-50);
  
  --background: white;
  --foreground: var(--navy-900);
}

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

html {
  scroll-behavior: smooth;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: local('Inter');
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background-color: white;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typographie professionnelle */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--navy-900);
  margin: 0;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin: 0 0 1rem 0;
  color: var(--text-secondary);
}

/* Liens */
a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-blue-hover);
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  color: white;
}

.btn-secondary {
  background-color: white;
  color: var(--accent-blue);
  border: 1px solid var(--border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
  color: var(--accent-blue-hover);
}

/* Cards */
.card {
  background: white;
  border-radius: 0.75rem;
  border: 1px solid var(--border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background-color: var(--bg-subtle);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* Header */
header {
  background: white;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 5rem;
}

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

.logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

/* Navigation Desktop */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  color: var(--navy-600);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

.nav-link:hover {
  color: var(--navy-900);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-blue);
  transition: width 0.3s;
}

.nav-link:hover::after {
  width: 100%;
}

.lang-selector {
  display: flex;
  gap: 0.25rem;
  margin-right: 0.5rem;
}

.lang-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border: 1px solid var(--border-light);
  border-radius: 0.25rem;
  background: white;
  cursor: pointer;
  transition: background 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.lang-btn:hover {
  background: var(--bg-subtle);
}

.lang-btn img {
  display: inline-block;
  vertical-align: middle;
  object-fit: cover;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  z-index: 100;
  opacity: 0;
  transform: scale(0);
  transition: all 0.3s ease;
  animation: fadeInScale 0.5s ease forwards;
  animation-delay: 5s;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float img {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.whatsapp-float:hover img {
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Menu Mobile */
.mobile-menu-btn {
  display: block;
  background: white;
  color: var(--navy-600);
  border: 1px solid var(--border-light);
  padding: 0.5rem;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: color 0.2s;
}

.mobile-menu-btn:hover {
  color: var(--navy-900);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  transition: opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 320px;
  max-width: 85vw;
  background: white;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
  transform: translateX(100%);
  transition: transform 0.3s;
  display: flex;
  flex-direction: column;
}

.mobile-menu-overlay.active .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--navy-600);
  padding: 0.5rem;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s;
}

.mobile-menu-close:hover {
  background: var(--bg-subtle);
}

.mobile-menu-nav {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--navy-700);
  border-radius: 0.5rem;
  transition: all 0.2s;
  font-weight: 500;
}

.mobile-nav-link:hover {
  color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.05);
}

.mobile-menu-cta {
  padding: 1.5rem;
  border-top: 1px solid var(--border-light);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(to bottom right, var(--navy-900), #1e293b, var(--navy-900));
  color: white;
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 6rem 0;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 9999px;
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.75rem;
  }
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  color: white;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

@media (min-width: 640px) {
  .hero-ctas {
    flex-direction: row;
  }
}

.hero-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero-features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hero-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-feature-icon {
  width: 3rem;
  height: 3rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.hero-feature h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: white;
}

.hero-feature p {
  font-size: 0.875rem;
  color: white;
  margin: 0;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  padding: 2.5rem;
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.service-icon {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(to bottom right, var(--accent-blue), #1d4ed8);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-right: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.card:hover .service-icon {
  transform: scale(1.1);
}

.service-card h3 {
  font-size: 1.875rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 1.125rem;
  color: var(--navy-600);
}

.service-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .service-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-feature-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: var(--bg-subtle);
  border-radius: 0.5rem;
}

.service-feature-icon {
  width: 2rem;
  height: 2rem;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

/* Footer */
footer {
  background: linear-gradient(to right, var(--navy-900), #1e293b, var(--navy-800));
  color: white;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-section p,
.footer-section a {
  color: white;
  font-size: 0.875rem;
}

.footer-section a:hover {
  color: white;
  padding-left: 0.5rem;
  transition: padding-left 0.2s;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  text-align: center;
}

.footer-bottom p {
  color: white;
  font-size: 0.875rem;
  margin: 0;
}

/* Logo Carousel */
.logo-carousel-container {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 5 / 2;
  min-height: 160px;
  margin: auto;
  overflow: hidden;
  position: relative;
}

#logo-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.logo-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  color: var(--navy-500);
  font-size: 0.95rem;
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(to right, var(--navy-900), #1e293b, var(--navy-800));
  border-radius: 1rem;
  padding: 3rem 2rem;
  color: white;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
}

.cta-content {
  position: relative;
  z-index: 10;
}

.cta-section h3 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.cta-section p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: white;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

/* Utility classes */
.text-center {
  text-align: center;
}

.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }

.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.max-w-4xl {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

.bg-gray-50 {
  background-color: #f9fafb;
}

.bg-white {
  background-color: white;
}

.hidden {
  display: none;
}

/* SVG Icons sizing */
svg {
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .section {
    padding: 2rem 0;
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Form Styles */
form {
  width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy-700);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
}

.alert-success {
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #047857;
}

.alert-error {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

/* FAQ Styles */
.faq-item {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-item[open] {
  border-color: #2563eb;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
  color: var(--navy-900);
  font-size: 1rem;
  line-height: 1.5;
  transition: background 0.2s ease;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  background: #f8fafc;
}

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: #2563eb;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--navy-600);
  line-height: 1.7;
  font-size: 0.95rem;
  animation: fadeIn 0.3s ease;
}

.faq-answer p {
  margin: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}