/* ========================================
   DESIGN SYSTEM PREMIUM GUEYE SERVICES
   ======================================== */

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

/* ========================================
   TOKENS DESIGN AVANCÉS
   ======================================== */
:root {
    /* Couleurs Premium */
    --primary-50: #E6F2FF;
    --primary-100: #CCE5FF;
    --primary-500: #0A4D8C;
    --primary-600: #003366;
    --primary-700: #002244;
    --primary-900: #001122;
    
    --secondary-50: #FFF4E6;
    --secondary-100: #FFE9CC;
    --secondary-500: #FF8C42;
    --secondary-600: #FF6B00;
    --secondary-700: #E55A00;
    
    --accent-500: #00C896;
    --accent-600: #00B085;
    
    --neutral-50: #F8F9FA;
    --neutral-100: #E5E5E5;
    --neutral-300: #8A8A8A;
    --neutral-500: #4A4A4A;
    --neutral-900: #1A1A1A;
    
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Typographie Premium */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Scale typographique */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    
    /* Espacement */
    --space-1: 0.25rem;    /* 4px */
    --space-2: 0.5rem;     /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;       /* 16px */
    --space-5: 1.25rem;    /* 20px */
    --space-6: 1.5rem;     /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    
    /* Ombres Premium */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.20);
    
    /* Animations */
    --ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-in-out-back: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Transitions */
    --transition-fast: 0.15s var(--ease-out-quad);
    --transition-base: 0.3s var(--ease-out-quad);
    --transition-slow: 0.5s var(--ease-out-quad);
    
    /* Rayons de bordure */
    --radius-sm: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* Breakpoints */
    --bp-sm: 640px;
    --bp-md: 768px;
    --bp-lg: 1024px;
    --bp-xl: 1280px;
    --bp-2xl: 1536px;
}

/* ========================================
   RESET & BASE PREMIUM
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    color: var(--neutral-900);
    background-color: var(--neutral-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Classes d'animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-quad);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in {
    animation: fadeInUp 0.6s var(--ease-out-quad) forwards;
}

.animate-slide-in {
    animation: slideInLeft 0.6s var(--ease-out-quad) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.4s var(--ease-out-quad) forwards;
}

.animate-bounce {
    animation: bounce 0.6s var(--ease-elastic);
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ========================================
   COMPOSANTS PREMIUM
   ======================================== */

/* Container Premium */
.container-premium {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container-premium {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container-premium {
        padding: 0 var(--space-8);
    }
}

/* Grille Premium */
.grid-premium {
    display: grid;
    gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Boutons Premium */
.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-premium::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 0.5s;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-primary-premium {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary-premium:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary-premium {
    background: linear-gradient(135deg, var(--secondary-500), var(--secondary-600));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary-premium:hover {
    background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-premium {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-600);
}

.btn-outline-premium:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

/* Cards Premium */
.card-premium {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.card-premium:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500), var(--accent-500));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card-premium:hover::before {
    opacity: 1;
}

/* Badges Premium */
.badge-premium {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
}

.badge-success {
    background: var(--success);
    color: white;
}

.badge-warning {
    background: var(--warning);
    color: white;
}

.badge-error {
    background: var(--error);
    color: white;
}

.badge-primary {
    background: var(--primary-500);
    color: white;
}

.badge-secondary {
    background: var(--secondary-500);
    color: white;
}

/* Input Premium */
.input-premium {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--neutral-900);
    background: white;
    border: 2px solid var(--neutral-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    outline: none;
}

.input-premium:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.1);
}

.input-premium::placeholder {
    color: var(--neutral-300);
}

/* Typographie Premium */
.heading-1 {
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: 1.1;
    color: var(--neutral-900);
    margin-bottom: var(--space-6);
}

.heading-2 {
    font-size: var(--text-4xl);
    font-weight: 600;
    line-height: 1.2;
    color: var(--neutral-900);
    margin-bottom: var(--space-5);
}

.heading-3 {
    font-size: var(--text-3xl);
    font-weight: 600;
    line-height: 1.3;
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Utilitaires Premium */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Responsive */
@media (max-width: 767px) {
    .heading-1 { font-size: var(--text-4xl); }
    .heading-2 { font-size: var(--text-3xl); }
    .heading-3 { font-size: var(--text-2xl); }
    
    .btn-premium {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-base);
    }
}

/* ========================================
   COMPOSANTS PREMIUM AVANCÉS
   ======================================== */

/* ========================================
   NAVIGATION MEGA MENU
   ======================================== */
.navbar-premium {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all var(--transition-base);
}

/* Body padding to account for fixed navbar */
body {
    padding-top: 80px;
}

/* Responsive navbar spacing */
@media (max-width: 767px) {
    body {
        padding-top: 70px;
    }
}

.navbar-premium.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container-premium {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand-premium {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav-brand-premium h1 {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu-premium {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.nav-item-premium {
    position: relative;
}

.nav-link-premium {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-weight: 500;
    color: var(--neutral-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-link-premium:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-link-premium.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

/* Mega Menu Dropdown */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all var(--transition-base);
}

.nav-item-premium:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.mega-menu-section h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-4);
}

.mega-menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mega-menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    color: var(--neutral-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.mega-menu-link:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

.mega-menu-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-500);
}

/* Search Bar Intégrée */
.nav-search {
    position: relative;
    width: 300px;
}

.nav-search-input {
    width: 100%;
    padding: var(--space-2) var(--space-4) var(--space-2) var(--space-10);
    background: var(--neutral-50);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

.nav-search-input:focus {
    background: white;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.1);
}

.nav-search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--neutral-400);
}

/* Panier Flottant */
.nav-cart {
    position: relative;
}

.nav-cart-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-cart-btn:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

.nav-cart-count {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--secondary-500);
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
}

/* ========================================
   HERO SECTION ANIMÉE
   ======================================== */
.hero-premium {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 50%, var(--secondary-500) 100%);
    overflow: hidden;
}

.hero-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content-premium {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.hero-title-premium {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero-title-premium .text-highlight {
    background: linear-gradient(135deg, var(--secondary-500), #FFB84D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle-premium {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.hero-cta-premium {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats-premium {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-top: var(--space-16);
}

.hero-stat-premium {
    text-align: center;
    color: white;
}

.hero-stat-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--secondary-500);
    margin-bottom: var(--space-2);
}

.hero-stat-label {
    font-size: var(--text-sm);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Particules animées */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* ========================================
   CARDS PRODUITS PREMIUM
   ======================================== */
.product-card-premium {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    transform-style: preserve-3d;
}

.product-card-premium:hover {
    transform: translateY(-8px) rotateX(5deg);
    box-shadow: var(--shadow-xl);
}

.product-media-premium {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--neutral-100);
}

.product-image-premium {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
    padding: 10px;
}

.product-card-premium:hover .product-image-premium {
    transform: scale(1.05);
}

.product-badges-premium {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.product-actions-premium {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
}

.product-card-premium:hover .product-actions-premium {
    opacity: 1;
    transform: translateX(0);
}

.product-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.product-action-btn:hover {
    background: var(--primary-500);
    color: white;
    transform: scale(1.1);
}

.product-content-premium {
    padding: var(--space-6);
}

.product-title-premium {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.product-rating-premium {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.stars-premium {
    display: flex;
    gap: 2px;
}

.star-premium {
    width: 16px;
    height: 16px;
    color: #FCD34D;
}

.rating-count-premium {
    font-size: var(--text-sm);
    color: var(--neutral-500);
}

.product-price-premium {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.price-current-premium {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-600);
}

.price-original-premium {
    font-size: var(--text-base);
    color: var(--neutral-400);
    text-decoration: line-through;
}

.product-features-premium {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.product-feature-premium {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--neutral-600);
}

.feature-icon-premium {
    width: 16px;
    height: 16px;
    color: var(--success);
}

.product-cta-premium {
    display: flex;
    gap: var(--space-2);
}

.btn-whatsapp-premium {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: #25D366;
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-whatsapp-premium:hover {
    background: #128C7E;
    transform: translateY(-2px);
}

/* ========================================
   FILTRES AVANCÉS PREMIUM
   ======================================== */
.filters-premium {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-8);
}

.filters-header-premium {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.filters-title-premium {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--neutral-900);
}

.filters-reset-premium {
    color: var(--primary-600);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
}

.filters-grid-premium {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

.filter-group-premium {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.filter-label-premium {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--neutral-700);
}

.filter-select-premium {
    padding: var(--space-3);
    border: 2px solid var(--neutral-100);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    background: white;
    transition: all var(--transition-base);
}

.filter-select-premium:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.1);
}

/* Range Slider Premium */
.price-range-premium {
    position: relative;
    margin: var(--space-4) 0;
}

.range-slider-premium {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--neutral-100);
    outline: none;
}

.range-slider-premium::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-500);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.range-values-premium {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--neutral-600);
}

/* ========================================
   RESPONSIVE PREMIUM
   ======================================== */
@media (max-width: 1023px) {
    .nav-menu-premium {
        display: none;
    }
    
    .nav-search {
        width: 200px;
    }
    
    .hero-stats-premium {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .filters-grid-premium {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .hero-cta-premium {
        flex-direction: column;
        align-items: center;
    }
    
    .product-cta-premium {
        flex-direction: column;
    }
    
    .nav-search {
        display: none;
    }
}


/* Added for compatibility with legacy scripts */
.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}