/* ============================================
   MEJORAS VISUALES PREMIUM - ESSENTIAL
   ============================================ */

/* ========== FUENTES Y TIPOGRAFÍA ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

:root {
    /* Colores mejorados */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --premium-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    
    /* Sombras mejoradas */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    --shadow-colored: 0 10px 30px rgba(102, 126, 234, 0.3);
    
    /* Transiciones */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fuente principal */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

/* Mejorar toda la tipografía */
body {
    font-family: var(--font-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, .logo {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ========== ANIMACIONES GLOBALES ========== */

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Shimmer (para skeleton loaders) */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Floating */
@keyframes floating {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ========== HEADER MEJORADO ========== */

.header {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

/* Menú con efectos */
.nav-menu a {
    position: relative;
    transition: var(--transition-base);
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: var(--transition-base);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    transform: translateX(-50%) scaleX(1);
}

/* ========== BOTONES MEJORADOS ========== */

.btn {
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-colored);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-success {
    background: var(--success-gradient);
    border: none;
}

/* Botón con efecto shine */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-shine:hover::after {
    left: 100%;
}

/* ========== PRODUCT CARDS PREMIUM ========== */

.product-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-base);
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 0;
}

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

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.product-image-container {
    position: relative;
    overflow: hidden;
}

.product-image {
    transition: var(--transition-slow);
}

.product-card:hover .product-image {
    transform: scale(1.15) rotate(2deg);
}

/* Overlay con botones en hover */
.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.7) 100%);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

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

/* Badges mejorados */
.product-badge {
    background: var(--premium-gradient);
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Quick view button mejorado */
.quick-view-trigger {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    transition: var(--transition-base);
    background: white;
    color: #2c3e50;
    padding: 12px 30px;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.product-card:hover .quick-view-trigger {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.quick-view-trigger:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateX(-50%) translateY(-5px);
}

/* ========== CATEGORÍAS CON PARALLAX ========== */

.category-card-showcase {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.category-card-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 1;
}

.category-card-showcase:hover::before {
    opacity: 1;
}

.category-card-showcase img {
    transition: var(--transition-slow);
}

.category-card-showcase:hover img {
    transform: scale(1.2);
}

.category-overlay {
    z-index: 2;
    transition: var(--transition-base);
}

.category-card-showcase:hover .category-overlay {
    transform: translateY(-10px);
}

.category-overlay .btn {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.category-card-showcase:hover .category-overlay .btn {
    opacity: 1;
    transform: translateY(0);
}

/* ========== HERO SLIDER MEJORADO ========== */

.hero-slider {
    position: relative;
}

.slide {
    animation: fadeIn 1s ease-in-out;
}

.slide-text h1 {
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.slide-button {
    background: white;
    color: #2c3e50;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
}

.slide-button:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-5px) scale(1.05);
}

.slider-arrow {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-base);
}

.slider-arrow:hover {
    background: white;
    color: #2c3e50;
    transform: translateY(-50%) scale(1.1);
}

/* ========== SKELETON LOADERS ========== */

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #e0e0e0 50%,
        #f0f0f0 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

.skeleton-card {
    padding: 20px;
}

.skeleton-image {
    width: 100%;
    height: 300px;
    margin-bottom: 15px;
}

.skeleton-text {
    height: 20px;
    margin-bottom: 10px;
}

.skeleton-text.short {
    width: 60%;
}

/* ========== EFECTOS DE GLASSMORPHISM ========== */

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ========== CART SIDEBAR MEJORADO ========== */

.cart-sidebar {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.98);
}

.cart-item {
    transition: var(--transition-base);
    border-radius: 12px;
    margin-bottom: 10px;
}

.cart-item:hover {
    background: #f8f9fa;
    transform: translateX(-5px);
}

/* ========== INPUTS MEJORADOS ========== */

.form-control,
.search-input {
    transition: var(--transition-base);
    border: 2px solid #e0e0e0;
}

.form-control:focus,
.search-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

/* ========== BADGES Y ETIQUETAS ========== */

.badge {
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

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

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

/* ========== TESTIMONIALS MEJORADOS ========== */

.testimonial-card {
    animation: fadeIn 0.5s ease-in-out;
}

.testimonial-avatar {
    background: var(--primary-gradient);
    box-shadow: var(--shadow-lg);
    animation: floating 3s ease-in-out infinite;
}

/* ========== FOOTER MEJORADO ========== */

.footer {
    background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.social-links a {
    transition: var(--transition-base);
    position: relative;
}

.social-links a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-base);
    z-index: -1;
}

.social-links a:hover::before {
    opacity: 1;
}

.social-links a:hover {
    transform: translateY(-5px) rotate(360deg);
}

/* ========== SCROLL SUAVE ========== */

html {
    scroll-behavior: smooth;
}

/* ========== SCROLLBAR PERSONALIZADO ========== */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-gradient);
}

/* ========== LOADING SPINNER MEJORADO ========== */

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid transparent;
    border-image: var(--primary-gradient) 1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========== RESPONSIVE MEJORADO ========== */

@media (max-width: 768px) {
    .product-card {
        border-radius: 15px;
    }
    
    .product-card:hover {
        transform: translateY(-5px);
    }
    
    .category-card-showcase {
        border-radius: 15px;
    }
}

/* ========== UTILIDADES ========== */

/* Elementos que se animan al hacer scroll deben empezar invisibles */
.fade-in-up:not(.fade-in-up-animated) {
    opacity: 0 !important;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-in-out;
    opacity: 1 !important;
}

.fade-in-up.fade-in-up-animated {
    opacity: 1 !important;
}

.scale-in {
    animation: scaleIn 0.4s ease-in-out;
}

.slide-in-right {
    animation: slideInRight 0.5s ease-in-out;
}

/* Retrasos para animaciones escalonadas */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }