/* ===================================
   VARIABLES CSS 
   =================================== */
:root {
  /* Couleurs principales */
  --primary-color: #ff6b6b;
  --primary-hover: #e55a5a;

  /* Couleurs de texte */
  --text-dark: #2c2c2c;
  --text-light: #666;
  --text-white: #fff;

  /* Backgrounds */
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  /* Borders et éléments */
  --border-light: #e1e5e9;
  --shadow: rgba(0, 0, 0, 0.1);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
header {
  position: fixed;
  background: rgba(255, 255, 255, 0.95);
  width: 100%;
  z-index: 1000;
  top: 0;
  left: 0;
  padding: 1rem 0;
  backdrop-filter: blur(10px);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: auto;
  padding: 0 2rem;
}

.logo {
  font-size: 3rem;
  font-weight: bold;
  color: var(--text-dark);
  transition: all 0.3s;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-light);
  font-weight: 300;
  transition: all 0.3s;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary-color);
}

/* Effet underline animé */
.nav-links a::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: all 0.4s;
}

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

/* Icône panier */
.fa-cart-shopping {
  font-size: 2rem;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.3s;
}

.fa-cart-shopping:hover {
  transform: scale(1.2);
  color: var(--primary-color);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  height: 70vh;
  background: var(--bg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  padding: 0 2rem;
}

.hero h1 {
  color: var(--text-white);
  font-size: 5rem;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text-white);
  font-size: 2rem;
  margin: 2rem 0;
  max-width: 800px;
}

.hero-button {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  padding: 1rem 2rem;
  border-radius: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.hero-button:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ===================================
   FILTRES
   =================================== */
.filters {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-light);
  min-height: 10vh;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.8rem 1.5rem;
  background-color: var(--bg-white);
  border-radius: 20px;
  border: 2px solid var(--border-light);
  transition: all 0.3s;
  color: var(--text-dark);
  cursor: pointer;
  font-weight: 500;
}

.filter-btn.active {
  background-color: var(--primary-color);
  color: var(--text-white);
  border-color: var(--primary-color);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

.filter-btn:hover {
  background-color: var(--primary-hover);
  color: var(--text-white);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

/* ===================================
   SECTION PRODUITS
   =================================== */
.products {
  padding: 4rem 0;
}

.products-title {
  text-align: center;
  font-size: 4rem;
  color: var(--text-dark);
  margin-bottom: 3rem;
  font-weight: 700;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 0 2rem;
  max-width: 1400px;
  margin: auto;
}

/* ===================================
   CARDS PRODUITS
   =================================== */
.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
  height: 250px;
  background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-info {
  padding: 1.5rem;
}

.product-name {
  color: var(--text-dark);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.product-price {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Boutons de tailles */
.product-sizes {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.size-btn {
  width: 35px;
  height: 35px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.size-btn:hover,
.size-btn.selected {
  background-color: var(--primary-color);
  color: var(--text-white);
  border-color: var(--primary-color);
}

/* Bouton ajouter au panier */
.add-to-cart {
  width: 100%;
  padding: 0.8rem;
  background: var(--text-dark);
  color: var(--text-white);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
}

.add-to-cart:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

/* ===================================
   FOOTER
   =================================== */
footer {
  background: var(--text-dark);
  color: var(--text-white);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1400px;
  margin: auto;
  padding: 0 2rem;
}

.footer-section h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
  color: #ccc;
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
  transition: all 0.3s;
}

.footer-section a:hover {
  color: var(--primary-color);
}

/* ===================================
        RESPONSIVE MOBILE 
   =================================== */
@media (max-width: 768px) {
  /* HEADER MOBILE MODERNE */
  header {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  nav {
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
  }

  /* NAVIGATION MOBILE CACHÉE PAR DÉFAUT */
  .nav-links {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100vw;
    height: 100vh;
    background: var(--bg-gradient);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
  }

  .nav-links.mobile-active {
    left: 0;
  }

  .nav-links li {
    transform: translateY(50px);
    opacity: 0;
    transition: all 0.6s ease;
  }

  .nav-links.mobile-active li {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links.mobile-active li:nth-child(1) {
    transition-delay: 0.1s;
  }
  .nav-links.mobile-active li:nth-child(2) {
    transition-delay: 0.2s;
  }
  .nav-links.mobile-active li:nth-child(3) {
    transition-delay: 0.3s;
  }
  .nav-links.mobile-active li:nth-child(4) {
    transition-delay: 0.4s;
  }

  .nav-links a {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    text-decoration: none;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
  }

  .nav-links a:hover {
    transform: scale(1.1);
    color: rgba(255, 255, 255, 0.8);
  }

  .nav-links a::after {
    background: white;
    height: 3px;
  }

  /* MENU HAMBURGER */
  .mobile-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 10000;
    position: relative;
  }

  .mobile-menu span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
  }

  .mobile-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: white;
  }

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

  .mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background: white;
  }

  /* PANIER MOBILE */
  .fa-cart-shopping {
    font-size: 1.5rem;
    color: var(--text-dark);
    z-index: 10000;
    position: relative;
  }

  /* HERO MOBILE IMMERSIF */
  .hero {
    height: 85vh;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at 30% 20%,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%
      ),
      radial-gradient(
        circle at 70% 80%,
        rgba(255, 255, 255, 0.08) 0%,
        transparent 50%
      );
    pointer-events: none;
  }

  .hero h1 {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
  }

  .hero p {
    font-size: 1.2rem;
    margin: 2rem 0 3rem;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 300px;
  }

  .hero-button {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .hero-button:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  }

  /* FILTRES MOBILE TACTILES */
  .filters {
    padding: 2rem 1.5rem;
    background: var(--bg-light);
    overflow-x: auto;
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .filters::-webkit-scrollbar {
    display: none;
  }

  .filters::after {
    content: "";
    padding-right: 1.5rem;
    flex-shrink: 0;
  }

  .filter-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: fit-content;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  }

  .filter-btn.active {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.3);
  }

  .filter-btn:hover {
    transform: translateY(-2px);
  }

  /* SECTION PRODUITS MOBILE */
  .products {
    padding: 3rem 0;
  }

  .products-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 1.5rem;
    line-height: 1.2;
    letter-spacing: -1px;
  }

  .products-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    padding: 0 1.5rem;
    max-width: 100%;
    margin: 0;
  }

  /* CARDS MOBILE OPTIMISÉES */
  .product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
  }

  .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
  }

  .product-image {
    height: 250px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
  }

  .product-image::after {
    content: "👗";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.3;
  }

  .product-info {
    padding: 2rem;
  }

  .product-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
  }

  .product-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
  }

  .product-sizes {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
  }

  .size-btn {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 2px solid var(--border-light);
  }

  .size-btn:hover,
  .size-btn.selected {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
  }

  .add-to-cart {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
  }

  /* FOOTER MOBILE MODERNE */
  footer {
    background: var(--text-dark);
    padding: 4rem 0 3rem;
    margin-top: 4rem;
  }

  .footer-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    padding: 0 1.5rem;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
  }

  .footer-section:first-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
  }

  .footer-section h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .footer-section p {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
  }

  .footer-section a {
    display: inline-block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin: 0.5rem 0;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
  }

  .footer-section a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    transform: translateX(5px);
  }

  .footer-section:nth-child(2),
  .footer-section:nth-child(3),
  .footer-section:nth-child(4) {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

/* TRÈS PETIT MOBILE */
@media (max-width: 400px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .products-title {
    font-size: 2.2rem;
  }

  .product-info {
    padding: 1.5rem;
  }

  .filter-btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* ===================================
   ANIMATIONS GÉNÉRALES
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Classe utilitaire pour les animations */
.animate-fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* ===================================
   UTILITAIRES
   =================================== */
.text-center {
  text-align: center;
}

.mb-2 {
  margin-bottom: 2rem;
}

.hidden {
  display: none;
}

.visible {
  display: block;
}