/* Variables CSS - Palette Sombre */
:root {
  /* Couleurs sombres comme l'ancienne version */
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-secondary: #1e40af;
  --color-accent: #fbbf24;
  --color-text: #e5e7eb;
  --color-text-light: #9ca3af;
  --color-background: #111827;
  --color-surface: #1f2937;
  --color-surface-light: #374151;
  --color-border: #374151;
  --color-shadow: rgba(0, 0, 0, 0.3);
  
  --font-family: 'Poppins', 'Quicksand', 'Arial Rounded MT Bold', -apple-system, BlinkMacSystemFont, sans-serif;
    /* Vos autres variables... */
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}

.header__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
}

/* Auto-scaling CSS pour toutes les images */
.auto-scale {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* Scaling spécifique par contexte */
.logo__icon {
  max-width: 50px;
  max-height: 50px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* Responsive logo */
@media (max-width: 50px) {
  .logo__icon {
    width: 28px;
    height: 28px;
  }
}

.language-toggle {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  font-family: var(--font-family);
}

.language-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--color-background) 0%, #1e293b 100%);
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__title {
  font-size: 4rem;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

.hero__description {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  font-size: 1rem;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.hero__availability {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* iPhone Carousel dans Hero */
.hero__carousel {
  display: flex;
  justify-content: center;
  align-items: center;
}

.iphone-mockup {
  width: 300px;
  height: 600px;
  background: #1a1a1a;
  border-radius: 40px;
  padding: 8px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.iphone-mockup::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background: #333;
  border-radius: 3px;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 32px;
  background: var(--color-surface);
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  height: 100%;
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

.carousel-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Navigation Buttons */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.7);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: white;
  z-index: 100;
}

.carousel-nav:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: translateY(-50%) scale(1.1);
}

.carousel-nav--prev {
  left: 10px;
}

.carousel-nav--next {
  right: 10px;
}

/* Pagination Dots */
.carousel-dots {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 100;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background: var(--color-primary);
  transform: scale(1.3);
}

.carousel-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* Video Section */
.video-section {
  padding: 0;
  background: var(--color-surface);
}

.video-player {
  width: 100%;
  max-width: none;
  margin: 0;
}

.video-player__video {
  width: 100%;
  height: 60vh;
  object-fit: cover;
  display: block;
}

.night-intro {
  padding: 80px 0;
  background: var(--color-surface);
}
.night-intro__container {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.night-intro__image {
  width: 260px;
  height: 260px;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  background: #192038;
  transition: width 0.3s, height 0.3s;
  margin-left: 24px; 
}
.night-intro__content {
  flex: 1;
}
.night-intro__content h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.night-intro__content p {
  color: var(--color-text-light);
  font-size: 1.07rem;
  font-weight: 200;
  line-height: 1.7;
  margin-right: 24px; 
}
@media (max-width: 700px) {
  .night-intro__container {
    flex-direction: column;
    text-align: center;
  }
  .night-intro__image {
    width: 180px;
    height: 180px;
    margin-left: 0;      /* Plus de marge à gauche sur mobile */
    margin-bottom: 1.5rem;
  }
  .night-intro__content p {
  color: var(--color-text-light);
  font-size: 1.07rem;
  font-weight: 200;
  line-height: 1.7;
  margin-right: 24px; 
  margin-left: 24px; 
}
}

/* About Section */
.about {
  padding: 80px 0;
  background: var(--color-surface);
}

.about__content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.about__description,
.about__benefits {
 color: var(--color-text-light);
  font-size: 1.07rem;
  line-height: 1.7;
}

.about__image {
  display: flex;
  justify-content: center;
}

.about__image-photo {
  width: 200px;
  height: 256px; /* Respecte le ratio 400x512 */
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.about__image-photo:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

/* Supprimer l'ancien placeholder SVG */
.about__image-placeholder {
  display: none;
}

/* Nouveau style pour le bouton secondaire */
.btn--secondary {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn--secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.about__link-container {
    display: flex;
    justify-content: flex-start;
}

@media (max-width: 768px) {
    .about__link-container {
        justify-content: center;
    }
}

/* Responsive pour l'image Dr. Schultz */
@media (max-width: 768px) {
  .about__image-photo {
    width: 250px;
    height: 320px;
  }
}

@media (max-width: 480px) {
  .about__image-photo {
    width: 200px;
    height: 256px;
  }
}


/* Features Section */
.features {
  padding: 80px 0;
  background: var(--color-background);
}

.features__title {
  text-align: center;
  font-size: 1.8 rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4rem;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.feature-card__icon {
  max-width: 80px;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.1);
}

/* Responsive pour les icônes d'exercices */
@media (max-width: 768px) {
  .feature-card__icon {
    width: 64px;
    height: 64px;
  }
}

@media (max-width: 480px) {
  .feature-card__icon {
    width: 56px;
    height: 56px;
  }
}


.feature-card__title {
  font-size: 1 rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.feature-card__description {
  color: var(--color-text-light);
  line-height: 1.4;
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background: var(--color-surface);
}

.faq__title {
  text-align: center;
  font-size: 2 rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4rem;
}

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

.faq-item {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-item.active {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 200;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  font-family: var(--font-family);
}

.faq-question:hover {
  background: var(--color-surface-light);
}

.faq-question__icon {
  color: var(--color-primary);
  transition: transform 0.3s ease;
  font-size: 1.5 rem;
}

.faq-item.active .faq-question__icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 300px;
}

.faq-answer p {
  color: var(--color-text-light);
  line-height: 1.6;
  font-weight: 300;   /* Fin, standard - tu peux mettre 300 pour encore plus léger */
}

/* Footer */
.footer {
  padding: 60px 0 30px;
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
}

.footer__content {
  text-align: center;
}

.footer__tagline {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--color-text);
  line-height: 1.6;
}

.footer__legal {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer__links {
  display: flex;
  gap: 2rem;
}

.footer__link {
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
}

.footer__link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

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

  .hero__title {
    font-size: 2.5rem;
  }

  .iphone-mockup {
    width: 250px;
    height: 500px;
  }

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

  .features__grid {
    grid-template-columns: 1fr;
  }

  .video-player__video {
    height: 50vh;
  }

  .footer__legal {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1.25rem;
  }

  .iphone-mockup {
    width: 220px;
    height: 440px;
  }

  .carousel-nav {
    display: none;
  }

  .video-player__video {
    height: 40vh;
  }
}
.night-intro {
  padding-bottom: 32px;   /* Réduit l'espace bas */
}

.about {
  padding-top: 32px;      /* Réduit l'espace haut */
}

/* Supprime espace additionnel entre night-intro et about s'il reste */
.night-intro + .about {
  margin-top: 0;
}