/* ===================================================
   Bell Phone - Premium Luxury Design System v2.0
   =================================================== */

/* CSS Variables - Premium Dark Theme */
:root {
    /* Premium Color Palette */
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --accent-gold: #d4a574;
    --accent-gold-light: #e8c9a8;

    /* Neutral Tones - Sophisticated */
    --neutral-950: #0a0a0a;
    --neutral-900: #171717;
    --neutral-800: #262626;
    --neutral-700: #404040;
    --neutral-600: #525252;
    --neutral-500: #737373;
    --neutral-400: #a3a3a3;
    --neutral-300: #d4d4d4;
    --neutral-200: #e5e5e5;
    --neutral-100: #f5f5f5;
    --neutral-50: #fafafa;

    /* Text Colors */
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --text-dark: #171717;

    /* Semantic Colors */
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    --instagram-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);

    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --bg-dark: #0a0a0a;
    --bg-dark-secondary: #171717;
    --bg-dark-tertiary: #262626;

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-bg-light: rgba(255, 255, 255, 0.95);

    /* Premium Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);
    --shadow-glow-gold: 0 0 40px rgba(212, 165, 116, 0.2);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-logo: 'Outfit', 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-base: 1;
    --z-header: 100;
    --z-modal: 200;
    --z-floating: 150;
}

/* ===================================================
   Reset & Base
   =================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Subtle Tech Pattern Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill='none' stroke='%23000' stroke-width='0.5'%3E%3Crect x='10' y='10' width='20' height='35' rx='3'/%3E%3Ccircle cx='20' cy='40' r='1.5'/%3E%3Cpath d='M60 15 Q70 5 80 15 L80 30 Q70 40 60 30 Z'/%3E%3Crect x='55' y='55' width='35' height='20' rx='6'/%3E%3Ccircle cx='65' cy='65' r='4'/%3E%3Ccircle cx='80' cy='65' r='4'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 100px 100px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* ===================================================
   Container
   =================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: var(--z-base);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-2xl);
    }
}

/* ===================================================
   Typography
   =================================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-family: var(--font-logo);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

/* ===================================================
   Header - Premium Glass Effect
   =================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-text {
    font-family: var(--font-logo);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--neutral-900);
    letter-spacing: -0.03em;
}

@media (min-width: 768px) {
    .logo-text {
        font-size: 2rem;
    }
}

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

/* Navigation */
.nav {
    display: none;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

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

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

/* Mobile Menu */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--neutral-800);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--space-xl);
        flex-direction: column;
        gap: var(--space-lg);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }

    .nav.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        font-size: var(--font-size-base);
        padding: var(--space-md) 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
}

/* ===================================================
   Hero Section - Dark Premium
   =================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(212, 165, 116, 0.08) 0%, transparent 40%),
        linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-family: var(--font-logo);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.03em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
    max-width: 500px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
}

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

/* ===================================================
   Buttons - Premium Style
   =================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--neutral-100);
    color: var(--neutral-900);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--neutral-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.4);
}

.btn-instagram {
    background: var(--instagram-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(225, 48, 108, 0.3);
}

.btn-instagram:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(225, 48, 108, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--neutral-700);
    border: 1.5px solid var(--neutral-300);
}

.btn-outline:hover {
    background: var(--neutral-100);
    border-color: var(--neutral-400);
}

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

.btn-icon {
    font-size: 1.1em;
}

.btn-icon-svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ===================================================
   Trust Section - Refined
   =================================================== */
.trust-section {
    background: var(--bg-secondary);
    padding: var(--space-3xl) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

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

@media (min-width: 768px) {
    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-2xl);
    }
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.trust-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.trust-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.trust-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.trust-text strong {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--neutral-900);
}

.trust-text span {
    font-size: var(--font-size-xs);
    color: var(--neutral-500);
}

/* ===================================================
   Catalog Section
   =================================================== */
.catalog-section {
    padding: var(--space-5xl) 0;
    background: var(--bg-primary);
}

.exchange-rate-info {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--neutral-100);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-top: var(--space-lg);
}

.rate-label {
    color: var(--neutral-500);
}

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

.rate-value.manual {
    color: var(--warning);
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-3xl);
    padding: var(--space-sm);
    background: var(--neutral-100);
    border-radius: var(--radius-full);
}

.filter-tab {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--neutral-600);
    background: transparent;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    color: var(--neutral-900);
}

.filter-tab.active {
    background: var(--bg-primary);
    color: var(--neutral-900);
    box-shadow: var(--shadow-sm);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xl);
    }
}

/* Product Card */
.product-card {
    background: var(--bg-primary);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-gold) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover {
    border-color: var(--neutral-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

/* Product Image */
.product-image {
    width: calc(100% + 2 * var(--space-xl));
    height: 200px;
    margin: calc(-1 * var(--space-xl)) calc(-1 * var(--space-xl)) var(--space-lg) calc(-1 * var(--space-xl));
    overflow: hidden;
    background: var(--neutral-100);
}

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

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

.product-card.has-image {
    padding-top: var(--space-xl);
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
    gap: var(--space-sm);
}

.product-brand {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.product-condition {
    font-size: var(--font-size-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-weight: 500;
    white-space: nowrap;
}

.product-condition.nuevo {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.product-condition.usado {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.product-condition:not(.nuevo):not(.usado) {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

.product-model {
    font-family: var(--font-logo);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.product-specs {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    margin-bottom: var(--space-xs);
}

.product-colors {
    font-size: var(--font-size-xs);
    color: var(--neutral-500);
    margin-bottom: var(--space-md);
}

.product-stock {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.product-stock.en-stock {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.product-stock.consultar {
    background: var(--neutral-100);
    color: var(--neutral-600);
}

.product-pricing {
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--neutral-100);
}

.price-usd {
    font-family: var(--font-logo);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-xs);
}

.price-ars {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
    margin-bottom: var(--space-md);
}

.price-consultar {
    font-family: var(--font-logo);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.product-cta {
    width: 100%;
}

/* Loading & Empty States */
.loading-state,
.empty-state {
    text-align: center;
    padding: var(--space-4xl);
    color: var(--neutral-500);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--neutral-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-lg);
}

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

.hidden {
    display: none !important;
}

.empty-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

/* ===================================================
   Contact Section
   =================================================== */
.contact-section {
    padding: var(--space-5xl) 0;
    background: var(--bg-dark);
}

.contact-section .section-title {
    color: var(--text-primary);
}

.contact-section .section-subtitle {
    color: var(--text-secondary);
}

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

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-lg);
}

.contact-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.contact-card h3 {
    font-family: var(--font-logo);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.contact-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.contact-card .btn {
    width: 100%;
}

/* ===================================================
   Footer
   =================================================== */
.footer {
    background: var(--bg-dark-secondary);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

@media (min-width: 768px) {
    .footer-brand {
        align-items: flex-start;
    }
}

.footer-brand .logo-text {
    color: var(--text-primary);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===================================================
   Modal
   =================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neutral-100);
    border-radius: var(--radius-full);
    color: var(--neutral-600);
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--neutral-200);
    color: var(--neutral-900);
}

.modal-content {
    padding: var(--space-2xl);
}

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

.modal-model {
    font-family: var(--font-logo);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.modal-specs {
    font-size: var(--font-size-lg);
    color: var(--neutral-600);
    margin-bottom: var(--space-xl);
}

.modal-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--neutral-100);
}

.modal-detail-label {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
}

.modal-detail-value {
    font-weight: 500;
    color: var(--neutral-900);
}

.modal-pricing {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--neutral-50);
    border-radius: var(--radius-lg);
    text-align: center;
}

.modal-price-usd {
    font-family: var(--font-logo);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--neutral-900);
}

.modal-price-ars {
    font-size: var(--font-size-base);
    color: var(--neutral-500);
    margin-top: var(--space-xs);
}

.modal-notes {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    background: var(--neutral-50);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.modal-cta {
    width: 100%;
}

/* ===================================================
   Floating WhatsApp Button
   =================================================== */
.floating-whatsapp {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
    z-index: var(--z-floating);
    transition: all var(--transition-base);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 32px rgba(37, 211, 102, 0.5);
}

.floating-whatsapp svg {
    width: 30px;
    height: 30px;
    color: white;
}

/* ===================================================
   Animations
   =================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}