:root {
  --background: hsl(0 0% 98%);
  --foreground: hsl(0 0% 15%);
  --card: hsl(0 0% 100%);
  --muted-foreground: hsl(0 0% 45%);
  --hero-text: hsl(0 0% 12%);
  --contact-accent: hsl(0 0% 25%);
  --primary: #e63946;
  --primary-hover: #d62f3d;
  --primary-light: rgba(230, 57, 70, 0.1);
  --gradient-start: #f8f9fa;
  --gradient-end: #ffffff;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.07), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-primary: 0 10px 20px rgba(230, 57, 70, 0.2);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-full: 9999px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  color: var(--foreground);
  font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  background-attachment: fixed;
}

header {
  padding: 2.56rem 1.5rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.05) 0%, rgba(255, 255, 255, 0) 85%);
  margin-bottom: 0.5rem;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

header::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 1;
  filter: blur(5px);
  animation: pulse 8s infinite alternate ease-in-out;
}

header::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 1;
  filter: blur(3px);
  animation: float 10s infinite alternate ease-in-out;
}

/* Ajout d'éléments décoratifs supplémentaires pour le header */
header .decoration-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  opacity: 0.4;
  z-index: 1;
}

header .decoration-dot:nth-child(1) {
  top: 20%;
  left: 10%;
  animation: float 7s infinite alternate ease-in-out;
}

header .decoration-dot:nth-child(2) {
  top: 30%;
  right: 15%;
  width: 12px;
  height: 12px;
  opacity: 0.3;
  animation: float 9s infinite alternate-reverse ease-in-out;
}

header .decoration-dot:nth-child(3) {
  bottom: 25%;
  left: 20%;
  width: 6px;
  height: 6px;
  opacity: 0.5;
  animation: float 8s infinite alternate ease-in-out;
}

.hero-title {
  font-size: 3.5rem;
  text-align: center;
  font-family: 'Inter', sans-serif;
  margin-bottom: 0;
  line-height: 1.2;
  animation: fadeInDown 1s ease-out;
  position: relative;
  z-index: 5;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  letter-spacing: -0.5px;
}

.header-glow {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.3) 0%, rgba(255, 255, 255, 0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(30px);
  z-index: 0;
  opacity: 0.6;
  animation: pulse 6s infinite alternate ease-in-out;
}

.hero-subtitle {
  font-size: 1.4rem;
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
  animation: fadeIn 1.2s ease-out 0.3s both;
}

.hero-cta {
  margin-top: 2.5rem;
  animation: fadeIn 1.4s ease-out 0.6s both;
}

.hero-button {
  background-color: var(--primary);
  color: white;
  text-decoration: none;
  padding: 16px 36px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
  letter-spacing: 0.5px;
}

.hero-button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
}

@media (max-width: 768px) {
  header {
    padding: 1.92rem 1rem;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
}

.hero-title .light {
  font-weight: 300;
  color: #555;
  transition: var(--transition-normal);
}

.hero-title .bold {
  font-weight: 700;
  color: #111;
  position: relative;
  display: inline-block;
  transition: var(--transition-normal);
}

.hero-title .bold::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--transition-normal);
  opacity: 0.7;
}

.hero-title:hover .bold::after {
  transform: scaleX(1);
}

.hero-title .highlight {
  font-weight: 600;
  color: var(--primary);
  position: relative;
  display: inline-block;
  transition: var(--transition-normal);
  background: linear-gradient(90deg, var(--primary) 0%, #ff6b6b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.hero-title .highlight:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.portfolio {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0rem 1rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(230, 57, 70, 0.02) 20%, rgba(255, 255, 255, 0) 100%);
}

h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 2rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #222;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--primary);
  margin: 0.8rem auto;
  border-radius: 2px;
  animation: expandWidth 1.5s ease-out;
}

.section-subtitle {
  font-size: 1rem;
  color: #666;
  font-family: 'Inter', sans-serif;
  margin-bottom: 2rem;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* Par défaut : 3 vidéos par ligne */
  gap: 30px;
  justify-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

/* Responsive : 2 vidéos par ligne sur les écrans moyens */
@media (max-width: 900px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Responsive : 1 vidéo par ligne sur les petits écrans */
@media (max-width: 600px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}
.testimonials {
  padding: 5rem 1rem;
  background-color: #fff;
  text-align: center;
}

.rating {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.stars {
  color: #FFC107; /* Étoiles jaunes */
  font-size: 1.5rem;
  letter-spacing: 4px;
}

.score {
  margin-left: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: #333;
}

.reviews-count {
  font-weight: 400;
  color: #888;
  font-size: 0.9rem;
}

.testimonial-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 1.5rem;
  text-align: center;
  font-family: 'Inter', sans-serif;
}

.testimonial-subtitle {
  font-size: 1.1rem;
  color: #777;
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.6;
  font-family: 'Inter', sans-serif;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 3rem;
  padding: 0 1rem;
}

@media (max-width: 900px) {
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  text-align: left;
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 5rem;
  color: rgba(230, 57, 70, 0.1);
  font-family: Georgia, serif;
  line-height: 1;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-8px) rotateX(1deg) rotateY(1deg);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(230, 57, 70, 0.1);
}

.testimonial-card:hover::before {
  transform: scale(1.1) rotate(-5deg);
  color: rgba(230, 57, 70, 0.15);
}

.testimonial-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  z-index: 0;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.testimonial-card:hover::after {
  opacity: 1;
}

.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #333;
  margin-bottom: 1.5rem;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  font-size: 0.9rem;
  color: #777;
  font-weight: 600;
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid var(--primary);
}

.testimonial-cta {
  margin-top: 2rem;
  text-align: center;
}

.cta-button {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
  letter-spacing: 0.5px;
}

.cta-button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}

.card {
  background-color: var(--card);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  width: 100%;
  max-width: 320px;
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  padding: 0 0 1rem 0;
  margin: 0 auto;
  border: 1px solid rgba(0, 0, 0, 0.03);
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-hover) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

@media (max-width: 900px) {
  .card {
    max-width: 280px;
  }
}

@media (max-width: 600px) {
  .card {
    max-width: 100%;
  }
}

.card:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(230, 57, 70, 0.1);
}

.card:hover::after {
  transform: scaleX(1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.6) 50%, rgba(255, 255, 255, 0) 70%);
  background-size: 200% 100%;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
  animation: shimmer 1.5s infinite;
}

.video-wrapper {
  aspect-ratio: 9 / 16;
  width: 100%;
  overflow: hidden;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  background-color: #f5f5f5;
  position: relative;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}

.video-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(230, 57, 70, 0.05);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover .video-wrapper::before {
  opacity: 1;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
  z-index: 2;
  position: relative;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  image-rendering: optimizeQuality;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Optimisations spécifiques pour mobile */
@media (max-width: 768px) {
  .video-wrapper iframe {
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    will-change: transform;
  }
  
  .card.hidden .video-wrapper iframe {
    transform: translate3d(-9999px, -9999px, 0);
  }
}

.title {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--foreground);
  margin-top: 0.8rem;
  margin-bottom: 0.3rem;
  padding: 0 1.2rem;
  text-align: center;
  position: relative;
  transition: color 0.3s ease;
}

.card:hover .title {
  color: var(--primary);
}

.brand {
  font-weight: 400; /* normal */
  font-size: 0.8rem; /* taille plus petite */
  color: #888; /* gris clair */
  margin-top: 5px; /* espacement vertical avec le titre */
  margin-bottom: 0.4rem;
  padding: 0 0.8rem;
  text-align: center;
}

.hidden {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  top: -9999px;
  left: -9999px;
  pointer-events: none;
}

.center {
  text-align: center;
  margin: 30px 0;
}

button {
  background-color: var(--foreground);
  color: var(--background);
  border: none;
  padding: 14px 28px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

button:hover {
  background-color: hsl(0 0% 10%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.contact {
  padding: 6rem 1rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(230, 57, 70, 0.05) 100%);
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 20% 30%, rgba(230, 57, 70, 0.05) 0%, transparent 50%),
                    radial-gradient(circle at 80% 70%, rgba(230, 57, 70, 0.05) 0%, transparent 50%);
  z-index: 0;
  opacity: 0.8;
}

.contact-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem;
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.03);
  z-index: 1;
  transform: translateZ(0);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-container:hover {
  transform: translateY(-5px) translateZ(0);
  box-shadow: var(--shadow-lg), 0 15px 35px rgba(230, 57, 70, 0.15);
}

.contact-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--primary-hover));
  transition: width var(--transition-slow);
}

.contact-container:hover::before {
  width: 8px;
}

.contact-container::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.8) 50%, rgba(255, 255, 255, 0) 70%);
  background-size: 200% 100%;
  z-index: 1;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.contact-container:hover::after {
  opacity: 1;
  animation: shimmer 2s infinite;
}

.contact-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--foreground);
  font-weight: 600;
}

.contact-text {
  font-size: 1.2rem;
  color: var(--contact-accent);
  font-weight: 500;
  margin-bottom: 2rem;
}

.contact-cta {
  margin-top: 2rem;
}

.contact-button {
  background-color: var(--primary);
  color: white;
  text-decoration: none;
  padding: 16px 36px;
  border-radius: var(--border-radius-full);
  font-size: 1.05rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  display: inline-block;
  box-shadow: var(--shadow-primary);
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.contact-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.7s ease;
  z-index: -1;
}

.contact-button:hover::before {
  left: 100%;
}

.contact-button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 25px rgba(230, 57, 70, 0.5);
  letter-spacing: 0.8px;
}

@media (max-width: 768px) {
  .contact-container {
    padding: 2rem;
  }
  
  .contact-title {
    font-size: 1.8rem;
  }
  
  .contact-text {
    font-size: 1.1rem;
  }
}

/* Styles pour les animations et les messages d'erreur */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

.fade-in-1 { animation-delay: 0.1s; }
.fade-in-2 { animation-delay: 0.2s; }
.fade-in-3 { animation-delay: 0.3s; }

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

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

@keyframes expandWidth {
  from { width: 0; }
  to { width: 60px; }
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 0.8; }
  100% { transform: scale(1); opacity: 0.6; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.error-message {
  color: #e63946;
  font-size: 1rem;
  text-align: center;
  padding: 2rem;
  background: rgba(230, 57, 70, 0.1);
  border-radius: 8px;
  margin: 1rem auto;
  max-width: 600px;
}