/* ========================================
   ELECTROBOOM - DISEÑO MINIMALISTA 2025
   ======================================== */

/* Reset y Variables Globales */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores profesionales */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --background: #f8fafc;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;
    
    /* Espaciado profesional */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Tipografía profesional */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Sombras profesionales */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Bordes y radios */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transiciones suaves */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-2xl) 0;
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.flex {
    display: flex;
    gap: var(--space-md);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

#home,
#categories,
#products {
    scroll-margin-top: 120px;
}

/* Header profesional */
.header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    letter-spacing: 0.025em;
    text-transform: uppercase;
    transition: var(--transition);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
}

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

.mobile-menu-toggle {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.18);
    color: var(--primary);
    cursor: pointer;
    padding: var(--space-sm) calc(var(--space-lg) - 2px);
    border-radius: var(--radius-full);
    transition: var(--transition);
    min-width: 0;
    height: 46px;
    position: relative;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1;
    overflow: hidden;
    isolation: isolate;
}

.mobile-menu-toggle::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(37, 99, 235, 0.35));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.mobile-menu-toggle > * {
    position: relative;
    z-index: 1;
}

.mobile-menu-toggle:hover {
    color: var(--primary-dark);
    border-color: rgba(37, 99, 235, 0.28);
}

.mobile-menu-toggle:hover::after {
    opacity: 1;
}

.mobile-menu-toggle:hover .mobile-menu-label {
    color: var(--primary-dark);
}

.mobile-menu-toggle:active {
    transform: translateY(1px);
}

.mobile-menu-toggle.is-active {
    color: var(--surface);
    box-shadow: 0 15px 35px -20px rgba(37, 99, 235, 0.6);
}

.mobile-menu-toggle.is-active::after {
    opacity: 1;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.mobile-menu-toggle.is-active .mobile-menu-icon::after {
    transform: scale(1.15);
    opacity: 1;
}

.mobile-menu-toggle.is-active .mobile-menu-label {
    color: inherit;
}

.mobile-menu-icon {
    width: 22px;
    height: 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
    position: relative;
}

.mobile-menu-icon::after {
    content: "";
    position: absolute;
    inset: -6px -8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.18);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.mobile-menu-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.mobile-menu-label::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.5;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu-toggle.is-active .mobile-menu-label::before {
    opacity: 1;
    transform: scale(1.2);
}

@keyframes navMenuFloatIn {
    0% {
        transform: translateY(-16px) scale(0.95);
        opacity: 0;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes mobileOverlayFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.mobile-menu-toggle .icon-bar {
    position: relative;
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    transition: transform 0.3s cubic-bezier(0.55, 0.055, 0.675, 0.19),
        opacity 0.2s ease,
        width 0.2s ease;
}

.mobile-menu-toggle.is-active .icon-bar {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.7));
}

.mobile-menu-toggle .icon-bar:nth-child(2) {
    width: 16px;
    transition-delay: 0.05s;
}

.mobile-menu-toggle.is-active .icon-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
    width: 20px;
}

.mobile-menu-toggle.is-active .icon-bar:nth-child(2) {
    opacity: 0;
    transform: translateX(8px);
}

.mobile-menu-toggle.is-active .icon-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 20px;
}

.mobile-menu-toggle:focus-visible {
    outline: 2px solid rgba(37, 99, 235, 0.45);
    outline-offset: 4px;
}

.mobile-overlay {
    display: none;
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    letter-spacing: -0.025em;
    transition: var(--transition);
}

.logo.has-custom-logo {
    gap: var(--space-md);
}

.logo:hover {
    color: var(--primary-dark);
    transform: scale(1.02);
}

.logo::before {
    content: "⚡";
    font-size: var(--text-3xl);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo.has-custom-logo::before {
    display: none;
}

.logo-image {
    display: block;
    max-height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: block;
    line-height: 1;
    white-space: nowrap;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    letter-spacing: 0.025em;
    text-transform: uppercase;
    transition: var(--transition);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
}

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

.cart-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-size: var(--text-sm);
    position: relative;
    transition: var(--transition-slow);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    min-width: 50px;
    height: 50px;
    justify-content: center;
}

.cart-icon::before {
    content: '🛒';
    font-size: 18px;
}

.cart-icon:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cart-icon:active {
    transform: translateY(0px);
}

.cart-icon:hover::before {
    transform: rotate(10deg) scale(1.1);
}

.cart-count {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    border-radius: var(--radius-full);
    min-width: 22px;
    height: 22px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: -6px;
    right: -6px;
    border: 2px solid white;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Hero Section - Profesional y elegante */
.hero {
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.03) 0%, 
        rgba(245, 158, 11, 0.02) 50%,
        rgba(37, 99, 235, 0.03) 100%);
    padding: var(--space-3xl) 0;
    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 25% 25%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding: 0 var(--space-xl);
}

.hero h1 {
    font-size: var(--text-5xl);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--text-primary), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    font-weight: 400;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-lg);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-button::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: var(--transition-slow);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.cta-button::after {
    content: '→';
    font-size: var(--text-xl);
    transition: var(--transition);
}

.cta-button:hover::after {
    transform: translateX(4px);
}

/* Main Content - Layout profesional */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Section Titles - Más elegantes */
.section-title {
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
    letter-spacing: -0.025em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
}

/* Categories - Grid mejorado */
.categories-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, 
        rgba(248, 250, 252, 0.5) 0%, 
        rgba(255, 255, 255, 0.8) 100%);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.category-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-slow);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.category-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-slow);
    pointer-events: none;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.3);
    background: linear-gradient(135deg, 
        var(--surface) 0%, 
        rgba(37, 99, 235, 0.02) 100%);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover::after {
    width: 200px;
    height: 200px;
}

.category-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-lg);
    display: block;
    transition: var(--transition);
    filter: brightness(0.9);
}

.category-icon.has-image {
    font-size: 0;
    margin-bottom: var(--space-lg);
    width: 6rem;
    height: 6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-2xl);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.08));
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    filter: none;
}

.category-icon.has-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.category-card:hover .category-icon {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.category-card:hover .category-icon.has-image {
    transform: scale(1.03);
    filter: none;
}

.category-card:hover .category-icon.has-image img {
    transform: scale(1.05);
}

.category-card h3 {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    transition: var(--transition);
}

.category-card:hover h3 {
    color: var(--primary);
}

.category-card p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
    transition: var(--transition);
}

.category-card:hover p {
    color: var(--text-primary);
}

.category-count {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    min-width: 28px;
    height: 28px;
    font-size: var(--text-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.category-card:hover .category-count {
    background: var(--accent);
    transform: scale(1.1);
}

/* Products - Grid más limpio */
.products-section {
    padding: var(--space-3xl) 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.products-section .main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2xl);
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.products-header .section-title {
    margin-bottom: 0;
    flex: 1;
    min-width: 300px;
}

.products-controls {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    align-items: flex-start;
    margin-top: var(--space-sm);
}

.favorites-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: rgba(37, 99, 235, 0.06);
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-xs);
    min-width: 190px;
    min-height: 54px;
}

.favorites-toggle__icon {
    font-size: 1.2rem;
    filter: drop-shadow(0 1px 2px rgba(37, 99, 235, 0.25));
}

.favorites-toggle__label {
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.favorites-toggle__count {
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary);
    border-radius: var(--radius-full);
    padding: 0.15rem 0.65rem;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.favorites-toggle:hover {
    border-color: rgba(37, 99, 235, 0.32);
    background: rgba(37, 99, 235, 0.12);
    transform: translateY(-1px);
}

.favorites-toggle.is-active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-color: transparent;
    box-shadow: 0 12px 32px -18px rgba(37, 99, 235, 0.75);
}

.favorites-toggle.is-active .favorites-toggle__count {
    background: rgba(255, 255, 255, 0.22);
    color: white;
}

.favorites-toggle.is-active .favorites-toggle__icon {
    filter: none;
}

.favorites-toggle[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.favorites-toggle.is-empty {
    background: transparent;
    border: 1px dashed rgba(148, 163, 184, 0.8);
    color: var(--text-muted);
    box-shadow: none;
}

.favorites-toggle.is-empty .favorites-toggle__count {
    background: rgba(148, 163, 184, 0.12);
    color: var(--text-muted);
}

.search-box,
.sort-select {
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    background: var(--surface);
    color: var(--text-primary);
    transition: var(--transition);
    min-width: 200px;
    box-shadow: var(--shadow-xs);
}

.search-box {
    min-width: 280px;
}

.sort-select {
    min-width: 180px;
}

.search-box:focus,
.sort-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.products-grid.products-grid--single {
    max-width: 540px;
    margin: 0 auto;
    grid-template-columns: minmax(0, 1fr);
}

.product-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    overflow: visible;
    transition: var(--transition-slow);
    cursor: pointer;
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 520px;
    backdrop-filter: blur(10px);
}

.product-card.is-favorite {
    border-color: rgba(37, 99, 235, 0.38);
    box-shadow: 0 18px 45px -24px rgba(37, 99, 235, 0.65);
}

.products-grid.products-grid--single .product-card {
    min-height: auto;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.03) 0%, 
        rgba(245, 158, 11, 0.02) 100%);
    opacity: 0;
    transition: var(--transition-slow);
    pointer-events: none;
    border-radius: var(--radius-2xl);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.product-card:hover .product-category {
    opacity: 1;
    background: rgba(37, 99, 235, 0.12);
}

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

.product-card.is-favorite::before {
    opacity: 1;
    background: linear-gradient(135deg,
        rgba(37, 99, 235, 0.08) 0%,
        rgba(37, 99, 235, 0.18) 100%);
}

.favorite-toggle {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    z-index: 20;
}

.favorite-toggle__icon {
    font-size: 1.1rem;
    pointer-events: none;
}

.favorite-toggle:hover,
.favorite-toggle:focus-visible {
    border-color: rgba(37, 99, 235, 0.25);
    color: var(--primary);
    transform: translateY(-1px);
}

.favorite-toggle:focus-visible {
    outline: 2px solid rgba(37, 99, 235, 0.35);
    outline-offset: 4px;
}

.favorite-toggle.is-favorite {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.92), rgba(37, 99, 235, 0.78));
    border-color: transparent;
    color: white;
    box-shadow: 0 15px 35px -22px rgba(37, 99, 235, 0.95);
}

.favorite-toggle.is-favorite .favorite-toggle__icon {
    filter: drop-shadow(0 3px 6px rgba(15, 23, 42, 0.25));
}

.favorite-toggle.is-favorite:hover {
    transform: translateY(-2px) scale(1.02);
}

.product-image {
    height: 260px;
    background: linear-gradient(135deg, 
        rgba(248, 250, 252, 0.8) 0%, 
        rgba(241, 245, 249, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-6xl);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    margin: var(--space-sm);
    margin-bottom: 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.product-image img {
    width: 100%;
    height: 100%;
        justify-items: center;
        align-items: stretch;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-image img {
    box-shadow: var(--shadow);
}

.products-grid.products-grid--single .product-image {
    height: 320px;
}

.product-featured-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: 0 12px 28px -18px rgba(245, 158, 11, 0.7);
    z-index: 15;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    pointer-events: none;
}

.product-featured-badge::before {
    content: '⭐';
    font-size: 0.95em;
}

.product-info {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.products-grid.products-grid--single .product-info {
    padding: var(--space-xl) var(--space-2xl);
}

.product-category {
    color: var(--primary);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    background: rgba(37, 99, 235, 0.08);
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    border: none;
    opacity: 0.7;
    transition: var(--transition);
}

.product-card h3 {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.product-description {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-xl);
    display: -webkit-box;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
    opacity: 0.8;
}

.product-footer {
    display: flex;
    flex-direction: column;
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-light);
    gap: var(--space-lg);
    margin-left: var(--space-xl);
    margin-right: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.products-grid.products-grid--single .product-footer {
    margin-left: var(--space-2xl);
    margin-right: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    gap: var(--space-xl);
}

.product-price {
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--primary);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    margin-right: 0;
    flex-shrink: 0;
    letter-spacing: -0.05em;
}

.products-grid.products-grid--single .product-price {
    font-size: clamp(2.5rem, 2.1vw + 2rem, 3.25rem);
}


.product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex-shrink: 0;
    width: 100%;
}

.products-grid.products-grid--single .product-actions {
    gap: var(--space-md);
}

.product-actions .btn {
    width: 100%;
}

.btn {
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: var(--transition-slow);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: normal;
    text-align: center;
    min-height: 48px;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.btn::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: var(--transition-slow);
}

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

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

.btn:active::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-sm);
    width: 100%;
    min-width: unset;
    position: relative;
}

.btn-primary::after {
    content: '🛒';
    font-size: 14px;
    margin-left: var(--space-xs);
    transition: var(--transition);
}

.btn-primary:hover::after {
    transform: scale(1.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-buy-now {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #1f2937;
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.btn-buy-now::after {
    content: '⚡';
    font-size: 14px;
    margin-left: var(--space-xs);
    transition: var(--transition);
}

.btn-buy-now:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #0f172a;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-buy-now:hover::after {
    transform: scale(1.2);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    box-shadow: var(--shadow-xs);
}

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

/* Cart Sidebar */

/* Cart Sidebar */
.cart-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 200;
}

.cart-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    height: 100vh;
    background: #ffffff;
    box-shadow: -12px 0 32px rgba(15, 23, 42, 0.12);
    transition: right 0.4s ease;
    z-index: 300;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
}

.cart-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #0f172a;
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cart-header h3::before {
    content: '🛒';
    font-size: 16px;
}

.cart-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #475569;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cart-close:hover {
    background: #eef2ff;
    border-color: #c7d2fe;
    color: #1d4ed8;
}

.cart-items {
    flex: 1;
    padding: 20px 24px;
    overflow-y: auto;
    background: #f8fafc;
}

.cart-items::-webkit-scrollbar {
    width: 5px;
}

.cart-items::-webkit-scrollbar-thumb {
    background: #cbd5f5;
    border-radius: 999px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cart-item + .cart-item {
    margin-top: 12px;
}

.cart-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.12);
}

.cart-item-image {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, #fff, #eff6ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #2563eb;
    border: 1px solid #dbeafe;
    flex-shrink: 0;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-price {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: #2563eb;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.quantity-controls {
    display: inline-flex;
    align-items: center;
    background: #f1f5f9;
    border-radius: 999px;
    padding: 2px;
    border: 1px solid #e2e8f0;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    color: #475569;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.quantity-btn:hover {
    background: #ffffff;
    color: #2563eb;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.quantity-display {
    min-width: 32px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    padding: 0 6px;
}

.remove-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: #fef2f2;
    color: #dc2626;
    font-size: 14px;
    cursor: pointer;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #fee2e2;
    transition: background 0.2s ease, transform 0.2s ease;
}

.remove-btn:hover {
    background: #fee2e2;
    transform: translateY(-1px);
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: #64748b;
}

.cart-empty::before {
    content: '🛒';
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.cart-empty h3 {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin: 0 0 8px;
}

.cart-empty p {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.cart-footer {
    padding: 24px;
    border-top: 1px solid #e2e8f0;
    background: #ffffff;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.cart-total-label {
    font-size: 15px;
    font-weight: 500;
    color: #475569;
}

.cart-total-amount {
    font-size: 20px;
    font-weight: 700;
    color: #2563eb;
}

.checkout-btn {
    width: 100%;
    padding: 16px 20px;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.checkout-btn::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 0.6s ease;
}

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

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}

.checkout-icon {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.checkout-btn:hover .checkout-icon {
    transform: translateX(4px);
}

.btn-remove {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
    border: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius);
    font-size: var(--text-xs);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-slow);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-xs);
}

.btn-remove:hover {
    background: linear-gradient(135deg, #b91c1c, #dc2626);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: #64748b;
}

.cart-empty::before {
    content: '🛒';
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.cart-empty h3 {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin: 0 0 8px 0;
}

.cart-empty p {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.cart-footer {
    padding: 24px;
    border-top: 1px solid #f1f5f9;
    background: #ffffff;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 16px 0;
    border-top: 2px solid #f1f5f9;
}

.cart-total-label {
    font-size: 16px;
    font-weight: 600;
    color: #374151;
}

.cart-total-amount {
    font-size: 20px;
    font-weight: 700;
    color: #2563eb;
}

/* Checkout Page */
.checkout-page {
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.7) 0%, rgba(248, 250, 252, 0.95) 100%);
    min-height: calc(100vh - 80px);
}

.checkout-hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(245, 158, 11, 0.05));
}

.checkout-eyebrow {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.checkout-hero h1 {
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.checkout-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}

.checkout-progress {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.progress-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(15, 23, 42, 0.08);
    transition: var(--transition);
}

.progress-pill .progress-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.12);
    font-size: var(--text-xs);
}

.progress-pill.is-complete {
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary);
}

.progress-pill.is-complete .progress-index {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary);
}

.progress-pill.is-current {
    background: rgba(37, 99, 235, 0.18);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.progress-pill.is-current .progress-index {
    background: var(--primary);
    color: white;
}

.progress-divider {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.15), rgba(15, 23, 42, 0));
}

.checkout-main {
    padding: var(--space-3xl) 0 var(--space-4xl);
}

.checkout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
}

.checkout-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.checkout-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(6px);
}

.checkout-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.checkout-form.is-disabled {
    pointer-events: none;
    opacity: 0.65;
    filter: grayscale(0.1);
}

.checkout-form.is-completed {
    opacity: 0.35;
    pointer-events: none;
}

.checkout-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.checkout-section h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    max-width: 520px;
}

.form-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-field.full {
    grid-column: 1 / -1;
}

.form-field label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.card-type-options {
    display: flex;
    gap: var(--space-sm);
}

.card-type-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.95);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease;
    user-select: none;
}

.card-type-option input {
    display: none;
}

.card-type-option span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.card-type-option:hover {
    border-color: var(--primary-light);
    transform: translateY(-1px);
}

.card-type-option.is-selected {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.card-type-option.is-selected span::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
    margin-right: var(--space-sm);
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.25));
}

[data-card-installments] select {
    margin-top: var(--space-xs);
}

.installment-helper {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
    line-height: 1.4;
}

.checkout-form input,
.checkout-form textarea,
.checkout-form select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.95);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.checkout-form input:focus,
.checkout-form textarea:focus,
.checkout-form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    transform: translateY(-1px);
}

.checkout-form input::placeholder,
.checkout-form textarea::placeholder,
.checkout-form select::placeholder {
    color: var(--text-muted);
}

.notes-area {
    resize: vertical;
    min-height: 140px;
}

.option-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.option-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    background: rgba(255, 255, 255, 0.95);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.option-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.option-card.is-selected {
    border-color: var(--primary);
    box-shadow: 0 18px 35px -18px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(255, 255, 255, 0.95));
}

.option-card.single-payment {
    cursor: default;
    border-color: var(--primary);
    box-shadow: 0 18px 35px -18px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(255, 255, 255, 0.95));
}

.option-card.single-payment:hover {
    transform: none;
}

.option-card.single-payment .option-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-xl);
    background: rgba(37, 99, 235, 0.12);
    display: grid;
    place-items: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.option-card input {
    margin-top: 6px;
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.option-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.option-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.option-meta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.option-price {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.option-card.is-selected .option-title,
.option-card.is-selected .option-price {
    color: var(--primary);
}

.option-card.single-payment .option-price {
    color: var(--primary);
}

.option-card.payment-option .option-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: baseline;
}

.option-card.payment-option .option-discount {
    font-weight: 600;
    color: var(--success);
}

.option-card.payment-option .option-price {
    font-weight: 600;
    color: var(--primary);
}

.payment-extra-wrapper {
    margin-top: var(--space-xl);
}

.payment-extra-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    background: rgba(248, 250, 252, 0.92);
    border: 1px solid rgba(37, 99, 235, 0.12);
    box-shadow: 0 18px 32px -24px rgba(15, 23, 42, 0.25);
}

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

.payment-detail-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.payment-detail-row span {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    font-size: var(--text-xs);
    color: rgba(15, 23, 42, 0.55);
}

.payment-detail-row strong {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
}

.payment-qr-wrapper {
    display: flex;
    justify-content: center;
}

.payment-qr-image {
    width: 220px;
    max-width: 100%;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    background: #fff;
    box-shadow: var(--shadow-sm);
    padding: var(--space-md);
}

.payment-instructions {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.65;
}

.payment-instructions p {
    margin: 0 0 var(--space-sm);
}

.payment-instructions p:last-child {
    margin-bottom: 0;
}

.shipping-status {
    margin-bottom: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary-dark);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition);
}

.shipping-status.is-loading {
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary-dark);
    position: relative;
    padding-left: calc(var(--space-xl) + 18px);
}

.shipping-status.is-loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(37, 99, 235, 0.3);
    border-top-color: var(--primary);
    position: absolute;
    left: var(--space-lg);
    animation: spin 0.75s linear infinite;
}

.shipping-status.is-error {
    background: rgba(220, 38, 38, 0.08);
    color: #b91c1c;
}

.shipping-status.is-success {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.shipping-helper {
    margin-top: var(--space-md);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.shipping-options {
    gap: var(--space-md);
}

.shipping-card {
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.shipping-card input {
    margin-top: 0;
}

.shipping-card-media {
    width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shipping-logo {
    max-width: 70px;
    max-height: 32px;
    object-fit: contain;
}

.shipping-card.is-recommended {
    border-color: var(--primary);
    box-shadow: 0 18px 35px -18px rgba(37, 99, 235, 0.45);
}

.shipping-card.is-recommended::after {
    content: 'Recomendado';
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: var(--text-2xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary);
    border-radius: 999px;
    padding: 4px 10px;
    font-weight: 700;
}

.shipping-zone-note {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.shipping-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.35rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: var(--text-2xs);
    font-weight: 600;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.12);
    letter-spacing: 0.02em;
}

.shipping-badge.shipping-badge--muted {
    color: var(--text-muted);
    background: rgba(148, 163, 184, 0.18);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.card-details {
    display: none;
    flex-direction: column;
    gap: var(--space-xl);
    align-items: stretch;
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    border: 1px dashed rgba(37, 99, 235, 0.25);
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(8px);
    overflow: hidden;
    transition: var(--transition);
}

.card-details.is-visible {
    display: flex;
    animation: navMenuFloatIn 0.4s ease;
}


.card-visual {
    position: relative;
    width: min(100%, clamp(240px, 65vw, 320px));
    aspect-ratio: 85 / 54;
    margin: 0 auto;
    perspective: 1400px;
}

.card-visual-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.85s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.card-visual.is-flipped .card-visual-inner {
    transform: rotateY(180deg);
}

.card-visual-face {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    padding: clamp(0.9rem, 4.5vw, 1.35rem);
    color: #fff;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--space-md);
    backface-visibility: hidden;
    overflow: hidden;
}

.card-visual-face::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.35), transparent 55%);
    opacity: 0.4;
    pointer-events: none;
}

.card-visual-face.card-visual-front {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.card-visual-face.card-visual-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, #0f172a, #1f2937);
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-lg);
}

[data-card-visual][data-brand="visa"] .card-visual-front {
    background: linear-gradient(135deg, #1a1f71, #3b79c9);
}

[data-card-visual][data-brand="visa"] .card-visual-back {
    background: linear-gradient(135deg, #0c154a, #1c3aa9);
}

[data-card-visual][data-brand="mastercard"] .card-visual-front {
    background: linear-gradient(135deg, #ff5f00, #eb001b);
}

[data-card-visual][data-brand="mastercard"] .card-visual-back {
    background: linear-gradient(135deg, #5b1a00, #2b0a06);
}

[data-card-visual][data-brand="amex"] .card-visual-front {
    background: linear-gradient(135deg, #0a2540, #00a8e0);
}

[data-card-visual][data-brand="amex"] .card-visual-back {
    background: linear-gradient(135deg, #041120, #0b3d63);
}

[data-card-visual][data-brand="naranja"] .card-visual-front {
    background: linear-gradient(135deg, #ff6f00, #ff9100);
}

[data-card-visual][data-brand="naranja"] .card-visual-back {
    background: linear-gradient(135deg, #b84700, #f97316);
}

[data-card-visual][data-brand="cabal"] .card-visual-front {
    background: linear-gradient(135deg, #004aad, #0073cf);
}

[data-card-visual][data-brand="cabal"] .card-visual-back {
    background: linear-gradient(135deg, #002c6d, #00468c);
}

[data-card-visual][data-brand="cencosud"] .card-visual-front {
    background: linear-gradient(135deg, #6a00c7, #8e3dff);
}

[data-card-visual][data-brand="cencosud"] .card-visual-back {
    background: linear-gradient(135deg, #3f0084, #5c1bb9);
}

[data-card-visual][data-brand="shopping"] .card-visual-front {
    background: linear-gradient(135deg, #0097a7, #00c4c5);
}

[data-card-visual][data-brand="shopping"] .card-visual-back {
    background: linear-gradient(135deg, #02616a, #028890);
}

[data-card-visual][data-brand="maestro"] .card-visual-front {
    background: linear-gradient(135deg, #00a4e0, #ed1c24);
}

[data-card-visual][data-brand="maestro"] .card-visual-back {
    background: linear-gradient(135deg, #004f74, #61111d);
}

.card-visual-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-lg);
}

.card-chip {
    position: relative;
    width: 54px;
    height: 40px;
    border-radius: 12px;
    overflow: hidden;
    background: none;
    box-shadow: none;
}

.card-chip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../img/chip.png") center / contain no-repeat;
}

.card-number-display {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2.4vw, 1.15rem);
    letter-spacing: 0.085em;
    word-spacing: 0.4ch;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    line-height: 1.05;
    margin: var(--space-lg) 0 var(--space-md);
    color: rgba(255, 255, 255, 0.95);
}

.card-visual-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-md);
}

.card-holder,
.card-expiry {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    max-width: 55%;
    min-width: 0;
}

.card-holder span,
.card-expiry span {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.7);
}


.card-holder strong,
.card-expiry strong {
    font-size: clamp(0.74rem, 1.9vw, 0.88rem);
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 0.045em;
}

.card-holder strong {
    line-height: 1.1;
    display: block;
    width: 100%;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: keep-all;
}

.card-expiry {
    max-width: 40%;
    flex: 0 0 auto;
}

.card-expiry strong {
    white-space: nowrap;
    overflow: visible;
}

.card-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    min-height: 32px;
}

.card-brand-image {
    display: none;
    height: 32px;
    width: auto;
    object-fit: contain;
}

.card-brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    background: none;
    box-shadow: none;
}

.card-brand[data-has-logo="true"] .card-brand-image {
    display: block;
}

.card-brand[data-has-logo="true"] .card-brand-logo {
    display: none;
}

.card-brand.card-brand--back[data-has-logo="true"] {
    gap: var(--space-xs);
}

.card-brand-name {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.card-visual-face.card-visual-back .card-brand {
    justify-content: flex-end;
}

.card-strip {
    width: calc(100% + var(--space-xl));
    height: 42px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.65));
    border-radius: 8px;
    margin: 0 calc(var(--space-xl) * -0.5);
}

.card-signature {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-xs) var(--space-md);
    border-radius: 6px;
    align-self: stretch;
    font-family: var(--font-mono);
    color: var(--secondary);
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.45);
}

.card-signature span {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(15, 23, 42, 0.55);
}

.card-signature strong {
    font-size: 0.95rem;
    letter-spacing: 0.35em;
}

@media (max-width: 768px) {
    .card-visual {
        max-width: 100%;
    }

    .card-visual-face {
        padding: clamp(0.75rem, 4vw, 1rem);
        gap: var(--space-sm);
    }

    .card-number-display {
        font-size: clamp(0.95rem, 4.8vw, 1.05rem);
        letter-spacing: 0.075em;
        margin: var(--space-md) 0 var(--space-sm);
    }

    .card-visual-bottom {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .card-holder,
    .card-expiry {
        max-width: 100%;
    }

    .card-expiry {
        margin-left: auto;
    }
}

.checkout-form input.is-invalid,
.checkout-form textarea.is-invalid,
.checkout-form select.is-invalid {
    border-color: rgba(220, 38, 38, 0.65);
}

.checkout-form input.is-invalid:focus,
.checkout-form textarea.is-invalid:focus,
.checkout-form select.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.85);
}

.checkout-form input.is-valid,
.checkout-form textarea.is-valid,
.checkout-form select.is-valid {
    border-color: rgba(5, 150, 105, 0.6);
}

.checkout-form input.is-valid:focus,
.checkout-form textarea.is-valid:focus,
.checkout-form select.is-valid:focus {
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.18);
    border-color: rgba(5, 150, 105, 0.85);
}

.checkout-submit {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.checkout-submit-btn {
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    border: none;
    border-radius: var(--radius-2xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: var(--text-lg);
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 18px 35px rgba(37, 99, 235, 0.25);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.checkout-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 28px 45px rgba(37, 99, 235, 0.3);
}

.checkout-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.checkout-legal {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.checkout-loading-backdrop {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    z-index: 1400;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.checkout-loading-backdrop.is-active {
    opacity: 1;
    pointer-events: all;
}

.checkout-loading-dialog {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    min-width: min(360px, 90vw);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-radius: var(--radius-2xl);
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.28), rgba(14, 116, 144, 0.15)) rgba(15, 23, 42, 0.92);
    color: #fff;
    box-shadow: 0 28px 65px rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.checkout-loading-spinner {
    position: relative;
    width: clamp(60px, 12vw, 78px);
    height: clamp(60px, 12vw, 78px);
    border-radius: 50%;
    background: conic-gradient(
        from 90deg,
        rgba(59, 130, 246, 0.15) 0deg,
        rgba(59, 130, 246, 0.75) 110deg,
        rgba(16, 185, 129, 0.85) 220deg,
        rgba(96, 165, 250, 0.2) 360deg
    );
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #000 calc(100% - 7px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #000 calc(100% - 7px));
    animation: checkoutLoadingSpin 1s linear infinite;
    box-shadow: 0 0 0 8px rgba(59, 130, 246, 0.05), 0 0 35px rgba(59, 130, 246, 0.25);
}

.checkout-loading-spinner::after {
    content: "";
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.32), rgba(148, 163, 184, 0.08));
    box-shadow: inset 0 0 20px rgba(59, 130, 246, 0.35);
    animation: checkoutLoadingPulse 1.8s ease-in-out infinite;
}

.checkout-loading-text {
    font-size: clamp(1rem, 2.4vw, 1.3rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.92);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    animation: checkoutLoadingTextGlow 2.2s ease-in-out infinite;
}

.checkout-loading-text::before {
    content: "✦";
    font-size: 1.2em;
    color: rgba(16, 185, 129, 0.9);
    animation: checkoutLoadingTwinkle 1.6s ease-in-out infinite;
}

@keyframes checkoutLoadingSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes checkoutLoadingPulse {
    0%,
    100% {
        transform: scale(0.96);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.02);
        opacity: 1;
    }
}

@keyframes checkoutLoadingTextGlow {
    0%,
    100% {
        text-shadow: 0 0 8px rgba(59, 130, 246, 0.35), 0 0 18px rgba(16, 185, 129, 0.2);
    }
    50% {
        text-shadow: 0 0 14px rgba(59, 130, 246, 0.55), 0 0 32px rgba(16, 185, 129, 0.3);
    }
}

@keyframes checkoutLoadingTwinkle {
    0%,
    100% {
        transform: scale(0.9);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.checkout-success {
    display: none;
    flex-direction: column;
    gap: var(--space-md);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(34, 197, 94, 0.15));
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    scroll-margin-top: 7rem;
}

.checkout-success.is-visible {
    display: flex;
}

.checkout-success .success-order {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.checkout-success .success-order span {
    font-family: var(--font-mono);
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(37, 99, 235, 0.25);
    color: var(--primary-dark);
    letter-spacing: 0.075em;
}

.success-icon {
    font-size: var(--text-3xl);
}

.success-actions {
    display: flex;
    gap: var(--space-sm);
}

.btn-return {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.btn-return:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.checkout-empty {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.9);
    border: 1px dashed rgba(148, 163, 184, 0.6);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
}

.checkout-empty[hidden] {
    display: none;
}

.empty-icon {
    font-size: var(--text-3xl);
}

.checkout-summary {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.summary-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.summary-header h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.summary-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 82px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.16);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 1px 2px rgba(15, 23, 42, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.12);
    text-decoration: none;
    transition: var(--transition-fast);
    white-space: nowrap;
    gap: 6px;
}

.summary-badge strong {
    font-weight: 700;
    display: inline-block;
}

.summary-badge:hover {
    background: rgba(37, 99, 235, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 2px 4px rgba(15, 23, 42, 0.16);
}

.summary-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin: 0;
    padding: 0;
}

.summary-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-lg);
}

.summary-item.empty {
    padding: var(--space-md) 0;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.item-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.item-meta {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.item-total {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.summary-divider {
    width: 100%;
    height: 1px;
    background: var(--border);
}

.summary-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.summary-line.is-detailed {
    align-items: flex-start;
}

.summary-line.is-detailed > span:first-child {
    padding-top: 2px;
}

.summary-value {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: flex-end;
    text-align: right;
}

.summary-value-primary {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-value-meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.summary-value-accent {
    font-weight: 600;
    color: var(--primary);
}

.summary-line.total {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--primary);
}

.summary-line.total span:last-child {
    font-size: var(--text-xl);
}

.summary-line.total-now {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--primary);
}

.summary-line.total-now span:last-child {
    font-weight: 700;
}


.payment-receipt-field {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    border: 1px dashed rgba(37, 99, 235, 0.25);
    background: rgba(248, 250, 252, 0.65);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: var(--transition);
}

.payment-receipt-field label {
    font-weight: 600;
    color: var(--text-primary);
}

.payment-receipt-field input[type="file"] {
    width: 100%;
    padding: var(--space-sm);
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.5);
    background: rgba(255, 255, 255, 0.95);
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.payment-receipt-field input[type="file"]:focus,
.payment-receipt-field input[type="file"]:hover {
    border-color: rgba(37, 99, 235, 0.6);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.payment-receipt-field input[type="file"]::file-selector-button {
    padding: 0.45rem 1rem;
    margin-right: var(--space-sm);
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.payment-receipt-field input[type="file"]::file-selector-button:hover,
.payment-receipt-field input[type="file"]::file-selector-button:focus {
    background: var(--primary-dark);
}

.input-helper {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.summary-note {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-links {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.help-links a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.help-links a:hover {
    text-decoration: underline;

    .products-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .favorites-toggle {
        width: 100%;
        justify-content: space-between;
        min-width: 0;
    }
}

.summary-security-card,
.summary-help-card {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-sm);
}

.summary-security-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(13, 148, 136, 0.1));
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.summary-security-card h3,
.summary-help-card h3 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.summary-security-card p,
.summary-help-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.security-icon,
.help-icon {
    font-size: var(--text-3xl);
}

.summary-help-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.summary-help-card a:hover {
    text-decoration: underline;
}

/* Product Modal */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.product-modal.open {
    opacity: 1;
    visibility: visible;
}

.product-modal-content {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    max-width: 800px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: var(--transition);
}

.product-modal.open .product-modal-content {
    transform: scale(1) translateY(0);
}

.product-modal-header {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 10;
}

.product-modal-close {
    background: var(--surface);
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-secondary);
}

.product-modal-close:hover {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.product-modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
}

.product-modal-image {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #f8fafc, #e5e7eb);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    position: relative;
    overflow: hidden;
}

.product-modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.product-modal-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
}

.product-modal-category {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    font-weight: 600;
    width: fit-content;
}

.product-modal-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.product-modal-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.product-modal-price {
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--primary);
}

.product-modal-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.product-modal-btn {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-base);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    text-decoration: none;
    width: 100%;
}

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

.product-modal-btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.product-modal-btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #1f2937;
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.product-modal-btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #0f172a;
    transform: translateY(-2px);
}

.product-modal-btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.product-modal-btn-secondary:hover {
    background: var(--primary);
    color: white;
}

#modalToggleFavorite {
    position: relative;
    overflow: hidden;
}

#modalToggleFavorite.is-favorite {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-color: transparent;
    box-shadow: 0 14px 32px -18px rgba(37, 99, 235, 0.75);
}

#modalToggleFavorite.is-favorite:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
    position: relative;
}

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

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: white;
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    font-size: var(--text-sm);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-sm);
}

/* Responsive Design */

@media (min-width: 1400px) {
    .navbar {
        max-width: 1500px;
    }

    .hero {
        padding: var(--space-3xl) 0 var(--space-4xl);
    }

    .hero-content {
        max-width: 960px;
    }

    .hero h1 {
        font-size: var(--text-6xl);
    }

    .hero p {
        font-size: var(--text-2xl);
        max-width: 780px;
    }

    .cta-button {
        font-size: var(--text-xl);
        padding: var(--space-xl) var(--space-3xl);
    }

    .categories-section,
    .products-section {
        padding: var(--space-3xl) 0 var(--space-3xl);
    }

    .categories-grid {
        gap: var(--space-2xl);
    }

    .products-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .product-card {
        min-height: 540px;
    }

    .footer-content {
        max-width: 1500px;
    }
}

/* Tablets */
@media (max-width: 1024px) {
    .navbar {
        padding: var(--space-lg) var(--space-lg);
    }

    .nav-links {
        gap: var(--space-lg);
    }

    .nav-links a {
        padding: var(--space-xs) var(--space-md);
        font-size: var(--text-xs);
    }

    .cart-icon {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
    }

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

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

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

    .checkout-summary {
        position: static;
        top: auto;
    }

    .summary-card,
    .summary-security-card,
    .summary-help-card {
        position: relative;
    }
}

/* Móviles */
@media (max-width: 768px) {
    .navbar {
        padding: var(--space-md) var(--space-lg);
        flex-wrap: nowrap;
    }

    .mobile-menu-toggle {
        display: flex;
        padding: var(--space-sm);
        width: 44px;
        height: 44px;
        justify-content: center;
        border-radius: var(--radius-full);
    }

    .mobile-menu-toggle::after {
        inset: 0;
    }

    .mobile-menu-toggle .mobile-menu-label {
        display: none;
    }

    .mobile-menu-toggle .mobile-menu-label::before {
        display: none;
    }

    .mobile-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 23, 42, 0.55);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.35s ease, visibility 0.35s ease;
        z-index: 999;
        pointer-events: none;
    }

    .mobile-overlay.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        animation: mobileOverlayFadeIn 0.35s ease both;
    }

    .nav-menu {
        position: absolute;
        top: calc(100% + var(--space-sm));
        left: var(--space-md);
        right: var(--space-md);
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid rgba(15, 23, 42, 0.05);
        border-radius: var(--radius-2xl);
        box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.16);
        transform: translateY(-12px) scale(0.98);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1000;
        max-height: 80vh;
        overflow-y: auto;
        padding: var(--space-sm) 0 var(--space-lg);
        pointer-events: none;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

    .nav-menu.active {
        transform: translateY(0) scale(1);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        animation: navMenuFloatIn 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        padding: 0;
        gap: 0;
        margin: 0;
    }

    .nav-links li {
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        width: 100%;
        opacity: 0;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

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

    .nav-menu.active .nav-links li:nth-child(1) { transition-delay: 0.05s; }
    .nav-menu.active .nav-links li:nth-child(2) { transition-delay: 0.1s; }
    .nav-menu.active .nav-links li:nth-child(3) { transition-delay: 0.15s; }
    .nav-menu.active .nav-links li:nth-child(4) { transition-delay: 0.2s; }

    .nav-links a {
        display: block;
        width: 100%;
        text-align: left;
        padding: var(--space-lg) var(--space-xl);
        margin: 0;
        border-radius: 0;
        background: transparent;
        font-size: var(--text-base);
        font-weight: 500;
        color: var(--text-primary);
        text-transform: none;
        letter-spacing: 0;
        transition: all 0.2s;
    }

    .nav-links a:hover {
        background: rgba(37, 99, 235, 0.05);
        color: var(--primary);
        transform: none;
        padding-left: calc(var(--space-xl) + var(--space-sm));
    }

    .cart-icon {
        margin: var(--space-md) var(--space-xl) var(--space-lg);
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-base);
    width: calc(100% - (2 * var(--space-xl)));
        justify-content: center;
        border-radius: var(--radius);
        font-weight: 600;
        opacity: 0;
        transform: translateY(-8px);
        transition: opacity 0.35s ease, transform 0.35s ease;
    }

    .nav-menu.active .cart-icon {
        opacity: 1;
        transform: translateY(0);
        transition-delay: 0.3s;
    }

    .hero {
        padding: var(--space-2xl) 0 var(--space-3xl);
    }

    .hero-content {
        padding: 0 var(--space-lg);
    }

    .cta-button {
        width: 100%;
        justify-content: center;
        padding: var(--space-md) var(--space-xl);
    }

    .logo {
        font-size: var(--text-xl);
    }

    .logo::before {
        font-size: var(--text-2xl);
    }

    .logo-image {
        max-height: 36px;
    }

    .checkout-hero {
        padding: var(--space-2xl) 0 var(--space-xl);
        text-align: left;
    }

    .checkout-hero h1 {
        font-size: var(--text-3xl);
    }

    .checkout-progress {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .progress-divider {
        display: none;
    }

    .checkout-grid {
        gap: var(--space-xl);
    }

    .checkout-card {
        padding: var(--space-xl);
    }

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

    .option-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .option-card input {
        margin-top: 0;
    }

    .checkout-summary {
        position: static;
        top: auto;
    }

    .summary-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .summary-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .hero h1 {
        font-size: var(--text-3xl);
    }
    
    .hero p {
        font-size: var(--text-lg);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .product-card {
        min-height: 450px;
    }
    
    .products-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-lg);
    }
    
    .products-header .section-title {
        text-align: center;
        min-width: unset;
    }
    
    .products-controls {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .search-box,
    .sort-select {
        min-width: unset;
        width: 100%;
    }
    
    .cart-sidebar {
        width: 100vw;
        right: -100vw;
    }
    
    .cart-header {
        padding: var(--space-lg);
    }
    
    .cart-items {
        padding: var(--space-md);
    }
    
    .cart-item {
        padding: var(--space-md);
    }
    
    .product-modal-content {
        width: 94%;
        margin: var(--space-lg) auto;
        max-height: 85vh;
        border-radius: var(--radius-xl);
    }

    .product-modal-header {
        top: var(--space-sm);
        right: var(--space-sm);
    }

    .product-modal-close {
        width: 36px;
        height: 36px;
    }

    .product-modal-body {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: var(--space-xl) var(--space-lg) var(--space-2xl);
    }

    .product-modal-image {
        max-width: 260px;
        margin: 0 auto;
        font-size: 4rem;
    }

    .product-modal-title {
        font-size: var(--text-2xl);
    }

    .product-modal-description {
        font-size: var(--text-base);
    }

    .product-modal-price {
        font-size: var(--text-3xl);
    }
    
    .product-modal-actions {
        flex-direction: column;
    }

    .main-content,
    .products-section .main-content {
        padding: 0 var(--space-lg);
    }

    .categories-section,
    .products-section {
        padding: var(--space-2xl) 0;
    }

    .section-title {
        font-size: var(--text-3xl);
        margin-bottom: var(--space-xl);
    }

    .category-card {
        padding: var(--space-lg);
    }

    .category-icon {
        font-size: var(--text-4xl);
        margin-bottom: var(--space-md);
    }

    .category-icon.has-image {
        width: 5rem;
        height: 5rem;
    }

    .category-card h3 {
        font-size: var(--text-lg);
        line-height: 1.25;
        overflow-wrap: anywhere;
    }

    .category-card p {
        font-size: var(--text-sm);
    }

    .category-count {
        top: var(--space-md);
        right: var(--space-md);
        min-width: 24px;
        height: 24px;
        font-size: var(--text-xs);
    }

    .product-card {
        min-height: unset;
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow);
    }

    .product-card .favorite-toggle {
        width: 38px;
        height: 38px;
    }

    .product-image {
        height: 210px;
        margin: var(--space-sm) var(--space-md) 0;
    }

    .product-info {
        padding: var(--space-lg);
    }

    .product-featured-badge {
        top: var(--space-sm);
        left: var(--space-sm);
        padding: 0.32rem 0.75rem;
        font-size: calc(var(--text-xs) - 0.02rem);
    }

    .product-footer {
        margin-left: 0;
        margin-right: 0;
        padding-top: var(--space-md);
        gap: var(--space-md);
    }

    .product-price {
        font-size: var(--text-xl);
    }

    .product-description {
        line-clamp: 4;
        -webkit-line-clamp: 4;
        margin-bottom: var(--space-lg);
    }

    .btn {
        padding: var(--space-md);
        font-size: var(--text-sm);
        letter-spacing: 0.03em;
        line-height: 1.35;
        white-space: normal;
    }

    .btn-primary {
        min-height: 52px;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: var(--space-md) var(--space-md);
    }

    .logo {
        font-size: var(--text-lg);
    }

    .hero {
        padding: var(--space-xl) 0 var(--space-2xl);
    }

    .hero h1 {
        font-size: var(--text-2xl);
    }

    .hero p {
        font-size: var(--text-base);
    }

    .cta-button {
        font-size: var(--text-base);
    }

    .main-content,
    .products-section .main-content {
        padding: 0 var(--space-md);
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .category-card {
        padding: var(--space-lg);
    }

    .products-header {
        gap: var(--space-md);
    }

    .products-controls {
        gap: var(--space-sm);
    }

    .favorites-toggle {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .products-grid {
        gap: var(--space-md);
    }

    .product-card {
        border-radius: var(--radius-lg);
        padding-bottom: var(--space-lg);
    }

    .product-card .favorite-toggle {
        width: 34px;
        height: 34px;
        top: var(--space-sm);
        right: var(--space-sm);
    }

    .product-image {
        height: 180px;
    }

    .product-modal-content {
        width: 92%;
        margin: var(--space-lg) auto;
    }

    .product-featured-badge {
        top: var(--space-sm);
        left: var(--space-sm);
        padding: 0.3rem 0.7rem;
        font-size: calc(var(--text-xs) - 0.05rem);
    }

    .product-modal-image {
        max-width: 200px;
        font-size: 3.25rem;
    }

    .product-modal-title {
        font-size: var(--text-xl);
    }

    .product-modal-description {
        font-size: var(--text-sm);
    }

    .product-modal-price {
        font-size: var(--text-2xl);
    }

    .product-price {
        font-size: var(--text-lg);
    }

    .product-info {
        padding: var(--space-lg) var(--space-md) var(--space-md);
    }

    .product-footer {
        padding-top: var(--space-sm);
        gap: var(--space-sm);
    }

    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: var(--text-xs);
    }

    .product-card {
        width: min(100%, 320px);
    }

    .product-modal-actions {
        gap: var(--space-sm);
    }

    .product-modal-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
    }

    .footer {
        padding: var(--space-2xl) 0 var(--space-lg);
    }

    .footer-content {
        padding: 0 var(--space-md);
        gap: var(--space-xl);
    }

    .footer-section h3 {
        font-size: var(--text-lg);
    }

    .footer-section a,
    .footer-section p {
        font-size: var(--text-xs);
    }

    .cart-header,
    .cart-items {
        padding: var(--space-md);
    }

    .checkout-card {
        padding: var(--space-lg);
    }

    .checkout-hero h1 {
        font-size: var(--text-2xl);
    }

    .product-featured-badge {
        padding: 0.28rem 0.6rem;
        font-size: calc(var(--text-xs) - 0.1rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .mobile-overlay,
    .mobile-overlay.active,
    .nav-menu,
    .nav-menu.active,
    .nav-menu .nav-links li,
    .nav-menu.active .nav-links li,
    .nav-menu.active .cart-icon,
    .mobile-menu-toggle .icon-bar {
        animation: none !important;
        transition: none !important;
    }
}

/* Animaciones suaves */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Estados de carga y hover mejorados */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Efectos hover mejorados */
.product-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), transparent);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

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

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

/* Efectos de focus mejorados */
.search-box:focus,
.sort-select:focus,
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.2);
}

/* Scroll suave y efectos de entrada */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utilidades profesionales */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none; }
.sr-only { 
    position: absolute; 
    width: 1px; 
    height: 1px; 
    padding: 0; 
    margin: -1px; 
    overflow: hidden; 
    clip: rect(0, 0, 0, 0); 
    border: 0; 
}

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

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

/* Scroll personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Efectos de selección */
::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

/* Mejoras en formularios */
.search-box,
.sort-select {
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    background: var(--surface);
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: var(--shadow-xs);
}

.search-box:focus,
.sort-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), var(--shadow-sm);
    transform: translateY(-1px);
}

/* Estados de carga premium */
.loading-skeleton {
    background: linear-gradient(90deg, 
        var(--border-light) 25%, 
        var(--border) 50%, 
        var(--border-light) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-lg);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Páginas de Ayuda */
.help-page main {
    background: var(--background);
}

.help-hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(14, 116, 144, 0.05));
}

.help-eyebrow {
    font-size: var(--text-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.help-hero h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.help-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 720px;
}

.help-section {
    padding: var(--space-2xl) 0;
}

.help-section.accent {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(14, 116, 144, 0.05));
}

.help-section.muted {
    background: rgba(248, 250, 252, 0.75);
}

.help-grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.help-card {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(148, 163, 184, 0.2);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    height: 100%;
}

.help-card h2,
.help-card h3 {
    color: var(--text-primary);
    font-weight: 700;
}

.help-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    padding: 0.35rem 0;
}

.help-card-link::after {
    content: '→';
    font-size: 0.9em;
    transition: transform 0.2s ease;
}

.help-card-link:hover::after {
    transform: translateX(4px);
}

.help-social-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.help-social-list a {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
}

.help-social-list a:hover {
    color: var(--primary);
}

.help-steps,
.help-list {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-steps li + li,
.help-list li + li {
    margin-top: 0.5rem;
}

.help-faq {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: var(--shadow-xs);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.help-faq-item h3 {
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.help-faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-cta {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    border: 1px solid rgba(37, 99, 235, 0.2);
    box-shadow: var(--shadow-sm);
}

.help-cta .cta-button {
    min-width: 0;
}

@media (max-width: 768px) {
    .help-hero {
        text-align: left;
    }

    .help-hero h1 {
        font-size: var(--text-3xl);
    }

    .help-cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .help-cta .cta-button {
        width: 100%;
        justify-content: center;
    }
}