/* ============================================
   AUTOCATALOG - PREMIUM CAR DATABASE
   Design System: Volcanic Glass + Acid Neon accents
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - Volcanic Glass Palette */
    --color-bg-primary: #0D0D0D;
    --color-bg-secondary: #1A1A1A;
    --color-bg-tertiary: #262626;
    --color-bg-elevated: #333333;
    
    /* Text Colors */
    --color-text-primary: #FAFAFA;
    --color-text-secondary: #A3A3A3;
    --color-text-tertiary: #737373;
    --color-text-muted: #525252;
    
    /* Accent Colors - Acid Neon */
    --color-accent-primary: #FF6B2B;
    --color-accent-secondary: #FFB088;
    --color-accent-glow: rgba(255, 107, 43, 0.4);
    
    /* Semantic Colors */
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF6B2B 0%, #FFB088 100%);
    --gradient-hero: linear-gradient(180deg, rgba(255, 107, 43, 0.1) 0%, transparent 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 107, 43, 0.05) 0%, transparent 100%);
    
    /* Typography */
    --font-display: 'Clash Display', system-ui, sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
    
    /* Font Sizes */
    --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;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    --shadow-glow-sm: 0 0 20px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
    --z-toast: 500;
}

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    z-index: var(--z-toast);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 var(--space-6);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent-primary);
}

.nav-logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.btn-ghost:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Icons */
.icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--space-20)) 0 var(--space-20);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 107, 43, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 43, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 43, 0.15) 0%, transparent 70%);
    filter: blur(100px);
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    width: 100%;
}

.hero-eyebrow {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 107, 43, 0.1);
    border: 1px solid rgba(255, 107, 43, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-6);
    opacity: 0;
    transform: translateY(20px);
    animation: fade-up 0.6s ease forwards;
}

.hero-title {
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    max-width: 800px;
    opacity: 0;
    transform: translateY(20px);
    animation: fade-up 0.6s ease 0.1s forwards;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-8);
    opacity: 0;
    transform: translateY(20px);
    animation: fade-up 0.6s ease 0.2s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-16);
    opacity: 0;
    transform: translateY(20px);
    animation: fade-up 0.6s ease 0.3s forwards;
}

.hero-stats {
    display: flex;
    gap: var(--space-12);
    opacity: 0;
    transform: translateY(20px);
    animation: fade-up 0.6s ease 0.4s forwards;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-accent-primary);
    line-height: 1;
}

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

@keyframes fade-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 700px;
    opacity: 0.6;
    pointer-events: none;
}

.car-silhouette {
    width: 100%;
    animation: float 6s ease-in-out infinite;
}

.car-silhouette svg {
    width: 100%;
    height: auto;
    color: var(--color-accent-primary);
}

.car-body {
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes shimmer {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Main Content */
.main {
    position: relative;
}

/* Section Styles */
section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    margin-bottom: var(--space-4);
}

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

/* Search Section */
.search-section {
    background: var(--color-bg-secondary);
    position: relative;
}

.search-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 43, 0.3), transparent);
}

/* Search Bar */
.search-bar {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.search-input::placeholder {
    color: var(--color-text-tertiary);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 43, 0.1);
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: flex-end;
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-width: 140px;
}

.filter-group-range {
    flex: 1;
    min-width: 200px;
}

.filter-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-select {
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

/* Range Slider */
.range-slider {
    position: relative;
    padding-top: var(--space-4);
}

.range-input {
    position: absolute;
    width: 100%;
    height: 4px;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    pointer-events: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 0 10px var(--color-accent-glow);
}

.range-input::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    border: none;
    box-shadow: 0 0 10px var(--color-accent-glow);
}

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

.filter-reset {
    margin-left: auto;
}

/* Results Header */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.results-count strong {
    color: var(--color-text-primary);
}

.results-sort {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.sort-select {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
}

/* Vehicle Grid */
.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

/* Vehicle Card */
.vehicle-card {
    position: relative;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    cursor: pointer;
}

.vehicle-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 107, 43, 0.3);
    box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
}

.vehicle-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--gradient-card);
    overflow: hidden;
}

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

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

.vehicle-card-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.vehicle-card-actions {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: flex;
    gap: var(--space-2);
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.vehicle-card:hover .vehicle-card-actions {
    opacity: 1;
    transform: translateY(0);
}

.vehicle-card-action {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.vehicle-card-action:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.vehicle-card-action svg {
    width: 18px;
    height: 18px;
}

.vehicle-card-content {
    padding: var(--space-5);
}

.vehicle-card-header {
    margin-bottom: var(--space-4);
}

.vehicle-card-year {
    font-size: var(--text-xs);
    color: var(--color-accent-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

.vehicle-card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-1);
    line-height: 1.3;
}

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

.vehicle-card-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.vehicle-card-spec {
    text-align: center;
}

.vehicle-card-spec-value {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.vehicle-card-spec-label {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-1);
}

.vehicle-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg-elevated);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.vehicle-card-price {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-accent-primary);
}

.vehicle-card-price-label {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
}

.vehicle-card-compare {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.vehicle-card-compare:hover {
    color: var(--color-accent-primary);
}

.vehicle-card-compare input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent-primary);
    cursor: pointer;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
}

.pagination-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--color-bg-elevated);
    border-color: var(--color-accent-primary);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-pages {
    display: flex;
    gap: var(--space-2);
}

.pagination-page {
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-page:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.pagination-page.active {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.pagination-ellipsis {
    color: var(--color-text-tertiary);
    padding: 0 var(--space-2);
}

/* Compare Section */
.compare-section {
    background: var(--color-bg-primary);
    position: relative;
}

.compare-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 43, 0.3), transparent);
}

.compare-container {
    max-width: 1000px;
    margin: 0 auto;
}

.compare-slots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.compare-slot {
    aspect-ratio: 1;
    background: var(--color-bg-tertiary);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.compare-slot:hover {
    border-color: var(--color-accent-primary);
    background: rgba(255, 107, 43, 0.05);
}

.compare-slot-empty {
    border-style: dashed;
}

.compare-slot-filled {
    border-style: solid;
    border-color: var(--color-accent-primary);
    background: var(--color-bg-elevated);
}

.compare-slot-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-tertiary);
}

.compare-slot-icon {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.compare-slot-text {
    font-size: var(--text-sm);
    font-weight: 500;
}

.compare-slot-vehicle {
    width: 100%;
    height: 100%;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.compare-slot-image {
    width: 100%;
    height: 60%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
}

.compare-slot-name {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.compare-slot-remove {
    margin-top: auto;
    padding: var(--space-1) var(--space-3);
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.compare-slot-remove:hover {
    background: rgba(239, 68, 68, 0.2);
}

.compare-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

/* Parts Section */
.parts-section {
    background: var(--color-bg-secondary);
}

.parts-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.parts-category {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-8);
    background: var(--color-bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 120px;
}

.parts-category:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.parts-category.active {
    border-color: var(--color-accent-primary);
    background: rgba(255, 107, 43, 0.1);
    color: var(--color-accent-primary);
}

.parts-category-icon {
    width: 32px;
    height: 32px;
}

.parts-category span {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.parts-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.parts-diagram {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.diagram-container {
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diagram-container svg {
    width: 100%;
    height: 100%;
    max-width: 500px;
}

.diagram-part {
    fill: var(--color-bg-elevated);
    stroke: var(--color-text-tertiary);
    stroke-width: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.diagram-part:hover {
    fill: rgba(255, 107, 43, 0.2);
    stroke: var(--color-accent-primary);
    stroke-width: 2;
}

.diagram-part.active {
    fill: rgba(255, 107, 43, 0.3);
    stroke: var(--color-accent-primary);
    stroke-width: 2;
}

.parts-info {
    padding: var(--space-6);
}

.parts-info-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.parts-info-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.parts-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.parts-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.parts-item:hover {
    background: var(--color-bg-elevated);
    border-color: rgba(255, 107, 43, 0.3);
}

.parts-item-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    border-radius: var(--radius-md);
}

.parts-item-content {
    flex: 1;
}

.parts-item-name {
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.parts-item-desc {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* Sources Section */
.sources-section {
    background: var(--color-bg-primary);
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.source-card {
    padding: var(--space-8);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all var(--transition-base);
}

.source-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 107, 43, 0.3);
    box-shadow: var(--shadow-glow-sm);
}

.source-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    color: var(--color-accent-primary);
}

.source-icon svg {
    width: 100%;
    height: 100%;
}

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

.source-desc {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.source-count {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 107, 43, 0.1);
    color: var(--color-accent-primary);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.sources-table-container {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.sources-table-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    margin-bottom: var(--space-6);
}

.sources-table {
    width: 100%;
    border-collapse: collapse;
}

.sources-table th,
.sources-table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sources-table th {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sources-table td {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.sources-table tr:last-child td {
    border-bottom: none;
}

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--space-20) 0 var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent-primary);
}

.footer-logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

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

.footer-links-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-6);
    color: var(--color-text-primary);
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links-list a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-copyright {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    border: none;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal[open] {
    opacity: 1;
    visibility: visible;
}

.modal::backdrop {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal[open] .modal-content {
    transform: scale(1);
}

.modal-wide .modal-content {
    max-width: 1200px;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
}

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

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--space-8);
    max-height: 90vh;
    overflow-y: auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-title {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .parts-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-secondary);
        padding: var(--space-6);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: 100%;
    }
    
    .filter-reset {
        margin-left: 0;
        margin-top: var(--space-4);
    }
    
    .results-header {
        flex-direction: column;
        gap: var(--space-4);
        align-items: flex-start;
    }
    
    .vehicle-grid {
        grid-template-columns: 1fr;
    }
    
    .compare-slots {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .parts-categories {
        flex-wrap: wrap;
    }
    
    .parts-category {
        min-width: calc(50% - var(--space-2));
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .sources-grid {
        grid-template-columns: 1fr;
    }
    
    .sources-table-container {
        overflow-x: auto;
    }
    
    .sources-table {
        min-width: 600px;
    }
}

/* Animation Utilities */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

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

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}