@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

@font-face {
  font-family: 'Julee-Regular';
  src: url('fonts/Julee-Regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

:root {
  --primary: #6366f1;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: linear-gradient(135deg, #f9fafb 0%, #f0f9ff 100%);
  color: var(--text-dark);
  min-height: 100vh;
}

footer {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
  margin-top: 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  opacity: 0.9;
}

.header-katamath {
  background-image: url('fuji.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: black;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.6);
  position: sticky;
  top: 0;
  overflow: hidden;
  padding-top: 10px;
  padding-bottom: 20px;
  line-height: 1.1;
  transition: all 0.3s ease-in-out;
  z-index: 100;
}

.header-katamath.scrolled {
  height: 100px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.header-katamath h1 {
  font-size: clamp(5rem, 8vw, 10rem);
  font-weight: 800;
  text-align: center;
  margin: 0;
  font-family: 'Julee-Regular', sans-serif;
  transition: font-size 0.3s ease-in-out;
  z-index: 1;
  letter-spacing: -2px;
}

.header-katamath.scrolled h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.header-katamath h2 {
  color: black;
  font-size: clamp(1.5rem, 8vw, 3rem);
  margin: 0;
  transition: font-size 0.3s ease-in-out;
  z-index: 1;
  font-weight: 400;
  letter-spacing: 1px;
}

.header-katamath.scrolled h2 {
  font-size: 0;
  opacity: 0;
  display: none;
}


main {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: auto;
}

main section {
  background: var(--bg-white);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

main section:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-weight: 600;
  position: relative;
  padding-bottom: 0.75rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--secondary);
  text-decoration: none;
}

.logo-link {
  text-align: center;
  margin: 2rem 0;
}

.logo-link a {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 1rem;
}

.logo-link img {
  width: 65%;
  height: auto;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 0;
  box-shadow: none;
}

.logo-link img:hover {
  transform: scale(1.08) translateY(-4px);
  box-shadow: none;
}

.descriptif {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-dark);
  text-align: center;
  margin: 2rem auto;
  max-width: 600px;
  line-height: 1.8;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-left: 4px solid var(--primary);
  padding: 1.75rem;
  border-radius: 8px;
  animation: slideInUp 0.6s ease-out;
}

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

.material-symbols-outlined {
  font-size: 20px;
  vertical-align: middle;
  color: var(--primary);
  margin-right: 0.5rem;
}

.carousel {
  position: relative;
  overflow: hidden;
  max-width: 100%;
  margin: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  background: var(--bg-white);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-track img {
  width: 100%;
  flex-shrink: 0;
  border-radius: 16px;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.95);
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.75rem 1rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
}

.carousel-btn:hover {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-lg);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.prev {
  left: 15px;
}

.next {
  right: 15px;
}

/* Contact List Styles */
section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

section li {
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

section li:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-color: var(--primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

section li a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  font-weight: 500;
}

section li img {
  transition: transform 0.3s ease;
}

section li:hover img {
  transform: scale(1.1);
}

.contact-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
}

/* Carousel Section */
.carousel-section {
  text-align: center;
  padding: 2rem !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

/* Paragraph styles */
main section p {
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.8;
  margin: 1rem 0;
}

main section p strong {
  color: var(--text-dark);
  font-weight: 600;
}

/* Responsive styles */
@media (max-width: 768px) {
  main {
    padding: 2rem 1rem;
  }

  main section {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .descriptif {
    font-size: 1rem;
    padding: 1.25rem;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  section ul {
    gap: 0.75rem;
  }

  section li {
    padding: 1rem;
  }
}