/* ============================================
   MCO Motors Company S.A. - Estilos Principales
   ============================================ */

/* === VARIABLES DE TEMA === */
:root {
    /* Tipografía */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 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;

    /* Espaciado */
    --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;

    /* Bordes */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    /* Transiciones */
    --transition: 0.3s ease;
    --transition-fast: 0.15s ease;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;

    /* Header */
    --header-height: 72px;
}

/* Tema Oscuro (default) */
[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1e1e1e;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --accent: #d41920;
    --accent-hover: #e82d34;
    --accent-text: #ffffff;
    --accent-soft: rgba(212, 25, 32, 0.12);

    --border: #2a2a2a;
    --border-hover: #3a3a3a;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.6);
    --shadow-xl: 0 16px 50px rgba(0,0,0,0.7);

    --overlay: rgba(0,0,0,0.7);

    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
}

/* Tema Claro */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #fafafa;
    --bg-card: #ffffff;
    --bg-card-hover: #f9f9f9;

    --text-primary: #111111;
    --text-secondary: #555555;
    --text-muted: #999999;

    --accent: #b91c22;
    --accent-hover: #a01019;
    --accent-text: #ffffff;
    --accent-soft: rgba(185, 28, 34, 0.10);

    --border: #e5e5e5;
    --border-hover: #d0d0d0;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 50px rgba(0,0,0,0.15);

    --overlay: rgba(0,0,0,0.5);

    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #2563eb;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition), color var(--transition);
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

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

ul, ol {
    list-style: none;
}

/* === LAYOUT === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

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

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

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

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

.section-header .accent-line {
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: var(--space-md) auto 0;
    border-radius: 2px;
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.02em;
}

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

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo strong {
    color: var(--accent);
    font-weight: 800;
}

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

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    width: 32px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.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);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

.btn-accent {
    background: var(--accent);
    color: var(--accent-text);
}

.btn-accent:hover {
    background: var(--accent-hover);
    color: var(--accent-text);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-warning {
    background: var(--warning);
    color: #000;
}

/* === CARDS === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
}

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

.card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-tertiary);
}

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

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

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

.card-badges {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    z-index: 2;
}

.card-badges .badge {
    background: rgba(0, 0, 0, 0.75) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #fff !important;
}

.card-badges .badge-success {
    background: rgba(22, 163, 74, 0.9) !important;
}

.card-badges .badge-warning {
    background: rgba(202, 138, 4, 0.9) !important;
}

.card-badges .badge-danger {
    background: rgba(220, 38, 38, 0.9) !important;
}

.card-badges .badge-accent {
    background: var(--accent) !important;
}

.card-compare {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    z-index: 2;
}

.card-compare button {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--overlay);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
}

.card-compare button:hover,
.card-compare button.active {
    background: var(--accent);
    color: var(--accent-text);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.card-title a {
    color: var(--text-primary);
}

.card-title a:hover {
    color: var(--accent);
}

.card-specs {
    display: flex;
    gap: var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.card-specs span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-price {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.card-price .price-usd {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.card-price .price-gs {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-accent {
    background: var(--accent-soft);
    color: var(--accent);
}

/* === GRID === */
.grid {
    display: grid;
    gap: var(--space-lg);
}

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

/* === FORMS === */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    margin-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    opacity: var(--hero-overlay-opacity, 1);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-content h1 .accent {
    color: var(--accent);
}

.hero-content p {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    max-width: 520px;
}

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

.hero-actions .btn-outline {
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
}

.hero-actions .btn-outline:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.hero-social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.hero-social a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.hero-social a:hover {
    color: #ffffff;
}

/* Hero Slider */
.hero-slider {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-indicators {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 5;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.hero-indicator.active,
.hero-indicator:hover {
    background: #ffffff;
    border-color: #ffffff;
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    background: rgba(0, 0, 0, 0.3);
    border: none;
    color: #ffffff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.hero-arrow:hover {
    background: rgba(0, 0, 0, 0.6);
}

.hero-arrow-prev {
    left: var(--space-lg);
}

.hero-arrow-next {
    right: var(--space-lg);
}

@media (max-width: 768px) {
    .hero-arrow {
        width: 36px;
        height: 36px;
    }

    .hero-arrow-prev {
        left: var(--space-sm);
    }

    .hero-arrow-next {
        right: var(--space-sm);
    }
}

/* === BRANDS SECTION === */
.brands-grid {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition);
    cursor: default;
}

.brand-item:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.brand-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    transition: all var(--transition);
    overflow: hidden;
    padding: var(--space-sm);
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0.7);
    transition: filter var(--transition);
}

.brand-item:hover .brand-logo {
    filter: brightness(1);
}

[data-theme="light"] .brand-logo {
    filter: brightness(0) opacity(0.5);
}

[data-theme="light"] .brand-item:hover .brand-logo {
    filter: brightness(0) opacity(0.8);
}

.brand-item:hover .brand-icon {
    border-color: var(--accent);
    background: var(--accent-soft);
}

/* === FEATURES SECTION === */
.feature-card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

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

/* === COUNTER SECTION === */
.counters {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.counter-item .counter-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.counter-item .counter-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* === VEHICLE GRID === */
.vehicles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* === COMPARADOR BAR === */
.comparador-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: var(--space-md);
    z-index: 999;
    transform: translateY(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-xl);
}

.comparador-bar.visible {
    transform: translateY(0);
}

.comparador-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
}

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

.comparador-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.comparador-item button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-base);
    line-height: 1;
}

.comparador-item button:hover {
    color: var(--danger);
}

/* === FILTERS SIDEBAR === */
.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl);
}

.filters-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    height: fit-content;
    max-height: calc(100vh - var(--header-height) - var(--space-xl));
    overflow-y: auto;
}

.filter-section {
    margin-bottom: var(--space-lg);
}

.filter-section h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.filter-options label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.filter-options label:hover {
    color: var(--text-primary);
}

.filter-options input[type="checkbox"],
.filter-options input[type="radio"] {
    accent-color: var(--accent);
}

/* Range Slider */
.range-inputs {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.range-inputs input {
    width: 100%;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
}

.range-inputs span {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Dual Range Slider */
.dual-range,
.single-range {
    position: relative;
    height: 28px;
    margin-top: var(--space-xs);
}

.dual-range-track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    transform: translateY(-50%);
}

.dual-range-fill {
    position: absolute;
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
}

.dual-range-thumb,
.single-range-thumb {
    -webkit-appearance: none;
    appearance: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: none;
    pointer-events: none;
    margin: 0;
    padding: 0;
}

.dual-range-thumb::-webkit-slider-thumb,
.single-range-thumb::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-card);
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.dual-range-thumb::-moz-range-thumb,
.single-range-thumb::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-card);
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.dual-range-thumb::-webkit-slider-thumb:hover,
.single-range-thumb::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.dual-range-thumb::-moz-range-thumb:hover,
.single-range-thumb::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.dual-range-thumb::-webkit-slider-runnable-track,
.single-range-thumb::-webkit-slider-runnable-track {
    height: 4px;
    background: transparent;
}

.dual-range-thumb::-moz-range-track,
.single-range-thumb::-moz-range-track {
    height: 4px;
    background: transparent;
    border: none;
}

.single-range {
    height: 28px;
}

.single-range-thumb {
    position: relative;
    width: 100%;
    background: none;
}

.single-range-thumb::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}

/* Sort Bar */
.sort-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.sort-bar .results-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.sort-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sort-bar select {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
}

.filters-mobile-toggle {
    display: none;
}

/* === VEHICLE DETAIL === */
.vehicle-detail {
    margin-top: var(--header-height);
    padding-top: var(--space-xl);
}

.vehicle-detail-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-xl);
}

.vehicle-detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    height: fit-content;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
}

.spec-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-md) var(--space-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    gap: var(--space-xs);
    transition: background var(--transition-fast);
}

.spec-item:hover {
    background: var(--bg-secondary);
}

.spec-icon {
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.spec-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

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

/* === COMPARATOR === */
.comparador-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-xl);
}

.comparador-table th,
.comparador-table td {
    padding: var(--space-md);
    text-align: center;
    border-bottom: 1px solid var(--border);
    font-size: var(--font-size-sm);
}

.comparador-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    position: sticky;
    top: var(--header-height);
    z-index: 10;
}

.comparador-table td:first-child {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
    min-width: 140px;
}

.comparador-table .diff {
    background: var(--accent-soft);
}

.comparador-table .vehicle-header {
    padding: var(--space-lg);
}

.comparador-table .vehicle-header img {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin: 0 auto var(--space-sm);
}

/* === CONTACT PAGE === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.contact-info-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-info-item .icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-info-item p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-top: var(--space-xl);
}

.map-container iframe {
    width: 100%;
    height: 350px;
    border: 0;
}

/* === ABOUT PAGE === */
.about-hero {
    text-align: center;
    padding: var(--space-4xl) 0;
    margin-top: var(--header-height);
}

.about-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr 1fr;
    gap: var(--space-2xl);
}

.footer-logo {
    margin-bottom: var(--space-sm);
}

.footer-logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

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

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

.footer-col h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--text-muted);
}

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

.footer-col ul li a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-col ul li a:hover {
    color: var(--accent);
}

.footer-col ul li svg {
    vertical-align: middle;
    margin-right: var(--space-xs);
    color: var(--accent);
}

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

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

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

/* === WHATSAPP FLOAT === */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    z-index: 998;
    transition: all var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* === LOADING SPINNER === */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: var(--space-2xl) auto;
}

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

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

/* === ALERTS === */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-lg);
    border: 1px solid;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info);
    color: var(--info);
}

/* === ANIMATIONS === */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

/* === PLACEHOLDER IMAGE === */
.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: var(--font-size-3xl);
}

/* === PAGE HEADER === */
.page-header {
    margin-top: var(--header-height);
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
}

.page-header p {
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* === BREADCRUMB === */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--accent);
}

/* === TAGS === */
.tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .vehicles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .vehicle-detail-grid { grid-template-columns: 1fr; }
    .vehicle-detail-sidebar { position: static; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
        --container-padding: 1rem;
    }

    .nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-xs);
        z-index: 999;
    }

    .nav.open {
        display: flex;
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--space-md);
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        min-height: 70vh;
    }

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

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

    .grid-2,
    .grid-3 { grid-template-columns: 1fr; }

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

    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .filters-sidebar {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        z-index: 1001;
        padding: var(--space-xl);
        overflow-y: auto;
        max-height: none;
    }

    .filters-sidebar.open {
        display: block;
    }

    .filters-mobile-toggle {
        display: flex;
    }

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

    .counters {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .counter-item .counter-number {
        font-size: var(--font-size-2xl);
    }

    .comparador-bar-inner {
        flex-direction: column;
        gap: var(--space-md);
    }

    .comparador-items {
        flex-wrap: wrap;
    }

    .whatsapp-float {
        bottom: var(--space-md);
        right: var(--space-md);
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

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

    .hero-social {
        justify-content: center;
    }

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