/* ============================================
   SUZI SHOWROOM - Premium Automotive Experience
   Design System & Styles
   ============================================ */

/* CSS Variables - Luxury Automotive Theme */
:root {
    /* Core Colors */
    --color-matte-black: #0A0A0A;
    --color-gunmetal: #1A1A1F;
    --color-charcoal: #2A2A30;
    --color-silver: #C0C0C0;
    --color-chrome: #E8E8E8;
    --color-white: #FFFFFF;
    
    /* Accent Colors */
    --color-electric-blue: #00D4FF;
    --color-neon-blue: #00A8E8;
    --color-cyan: #00F0FF;
    --color-purple: #8B5CF6;
    --color-pink: #FF006E;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 0, 0, 0) 50%, rgba(139, 92, 246, 0.1) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    --shadow-glow-strong: 0 0 60px rgba(0, 212, 255, 0.5);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-matte-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--color-electric-blue);
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
}

.cursor-ring {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(0, 212, 255, 0.5);
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    transition: all 0.15s ease;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-matte-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-container {
    text-align: center;
}

.suzi-logo-loading {
    margin-bottom: var(--space-lg);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 0.3em;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-silver) 50%, var(--color-electric-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-electric-blue), transparent);
    margin-top: var(--space-sm);
    animation: linePulse 2s ease-in-out infinite;
}

@keyframes linePulse {
    0%, 100% { opacity: 0.5; transform: scaleX(0.8); }
    50% { opacity: 1; transform: scaleX(1); }
}

.loading-bar {
    width: 200px;
    height: 2px;
    background: var(--color-charcoal);
    margin: 0 auto var(--space-md);
    border-radius: 1px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-electric-blue), var(--color-cyan));
    width: 0%;
    animation: loadingProgress 2s ease-out forwards;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loading-text {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-silver);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
}

.main-nav.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--color-white);
}

.logo-mark {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-electric-blue);
    border-radius: 8px;
    color: var(--color-electric-blue);
}

.logo-word {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

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

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-silver);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-electric-blue);
    transition: width var(--transition-normal);
}

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

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

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

.btn-nav {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-electric-blue);
    color: var(--color-electric-blue);
    border-radius: 4px;
    cursor: none;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-nav:hover {
    background: var(--color-electric-blue);
    color: var(--color-matte-black);
    box-shadow: var(--shadow-glow);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: none;
    padding: var(--space-xs);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#hero-canvas {
    width: 100%;
    height: 100%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    padding: 0 var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.badge-text {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-silver);
    text-transform: uppercase;
}

.badge-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-electric-blue), transparent);
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.title-line-1 {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    line-height: 0.9;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-silver) 50%, var(--color-electric-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 80px rgba(0, 212, 255, 0.3);
}

.title-line-2 {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    letter-spacing: 0.4em;
    color: var(--color-silver);
    text-transform: uppercase;
    margin-top: var(--space-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-silver);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-electric-blue), var(--color-neon-blue));
    color: var(--color-matte-black);
    border: none;
    border-radius: 4px;
    cursor: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary .btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 1rem 2rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    border-radius: 4px;
    cursor: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--color-electric-blue);
    color: var(--color-electric-blue);
    background: rgba(0, 212, 255, 0.1);
}

.hero-stats {
    position: absolute;
    bottom: var(--space-3xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-3xl);
    z-index: 3;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-silver);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 3;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-electric-blue), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

.scroll-text {
    font-family: var(--font-heading);
    font-size: 0.625rem;
    letter-spacing: 0.3em;
    color: var(--color-silver);
    text-transform: uppercase;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    padding: 0 var(--space-lg);
}

.section-header.light {
    color: var(--color-white);
}

.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-electric-blue);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
}

.section-title .highlight {
    background: linear-gradient(135deg, var(--color-electric-blue), var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-silver);
    max-width: 600px;
    margin: var(--space-md) auto 0;
}

/* Showcase Section */
.showcase-section {
    padding: var(--space-3xl) 0;
    background: var(--color-gunmetal);
}

.showcase-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.tab-btn {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-charcoal);
    color: var(--color-silver);
    border-radius: 4px;
    cursor: none;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tab-btn:hover,
.tab-btn.active {
    border-color: var(--color-electric-blue);
    color: var(--color-electric-blue);
    background: rgba(0, 212, 255, 0.1);
}

.showcase-display {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.car-viewer {
    position: relative;
    aspect-ratio: 16/10;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    border-radius: 12px;
    overflow: hidden;
}

.car-3d-container {
    width: 100%;
    height: 100%;
}

.viewer-controls {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
}

.viewer-btn {
    width: 44px;
    height: 44px;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid var(--color-charcoal);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: none;
    transition: all var(--transition-fast);
}

.viewer-btn svg {
    width: 20px;
    height: 20px;
    color: var(--color-silver);
    transition: color var(--transition-fast);
}

.viewer-btn:hover {
    border-color: var(--color-electric-blue);
    background: rgba(0, 212, 255, 0.1);
}

.viewer-btn:hover svg {
    color: var(--color-electric-blue);
}

.car-info-panel {
    position: relative;
}

.car-info {
    display: none;
}

.car-info.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.car-name {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.car-tagline {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-electric-blue);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.car-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-charcoal);
}

.spec {
    text-align: center;
}

.spec-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1;
}

.spec-unit {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-electric-blue);
    margin-left: 2px;
}

.spec-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-silver);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-xs);
}

.car-description {
    font-size: 1rem;
    color: var(--color-silver);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.car-price {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

/* Collection Section */
.collection-section {
    padding: var(--space-3xl) 0;
    background: var(--color-matte-black);
}

.collection-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.car-card {
    position: relative;
    background: var(--color-gunmetal);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-charcoal);
    transition: all var(--transition-normal);
}

.car-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-electric-blue);
    box-shadow: var(--shadow-glow);
}

.car-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.card-image {
    position: relative;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-gunmetal) 100%);
    overflow: hidden;
}

.car-card.featured .card-image {
    aspect-ratio: 1;
}

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.car-card:hover .card-glow {
    opacity: 1;
}

.car-silhouette {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 60%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.8;
    transition: all var(--transition-normal);
}

.car-card:hover .car-silhouette {
    transform: translate(-50%, -50%) scale(1.05);
    opacity: 1;
}

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

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.card-specs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.card-spec {
    font-size: 0.75rem;
    color: var(--color-silver);
    padding: 4px 8px;
    background: var(--color-charcoal);
    border-radius: 4px;
}

.card-price {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-electric-blue);
    margin-bottom: var(--space-sm);
}

.btn-card {
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--color-charcoal);
    color: var(--color-silver);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: none;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-card:hover {
    border-color: var(--color-electric-blue);
    color: var(--color-electric-blue);
    background: rgba(0, 212, 255, 0.1);
}

/* Showroom Section */
.showroom-section {
    position: relative;
    padding: var(--space-3xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.showroom-canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#showroom-canvas {
    width: 100%;
    height: 100%;
}

.showroom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    z-index: 2;
}

.showroom-content {
    position: relative;
    z-index: 3;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    text-align: center;
}

.showroom-features {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin: var(--space-2xl) 0;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
    max-width: 200px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    padding: var(--space-md);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-electric-blue);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--color-silver);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1rem;
}

/* Studio Section */
.studio-section {
    padding: var(--space-3xl) 0;
    background: var(--color-gunmetal);
}

.studio-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.studio-preview {
    position: sticky;
    top: 100px;
    aspect-ratio: 16/10;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-charcoal);
}

.preview-canvas {
    width: 100%;
    height: 100%;
}

.preview-overlay {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
}

.preview-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--color-electric-blue);
    color: var(--color-electric-blue);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.control-group {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-charcoal);
}

.control-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.color-options,
.wheel-options,
.interior-options,
.neon-options {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.color-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: none;
    transition: all var(--transition-fast);
    position: relative;
}

.color-btn:hover,
.color-btn.active {
    border-color: var(--color-electric-blue);
    transform: scale(1.1);
}

.color-btn.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/contain no-repeat;
}

.wheel-btn,
.interior-btn,
.neon-btn {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: 1px solid var(--color-charcoal);
    color: var(--color-silver);
    border-radius: 4px;
    cursor: none;
    transition: all var(--transition-fast);
}

.wheel-btn:hover,
.interior-btn:hover,
.neon-btn:hover,
.wheel-btn.active,
.interior-btn.active,
.neon-btn.active {
    border-color: var(--color-electric-blue);
    color: var(--color-electric-blue);
    background: rgba(0, 212, 255, 0.1);
}

.studio-summary {
    background: var(--color-charcoal);
    border-radius: 8px;
    padding: var(--space-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-row.total {
    border-bottom: none;
    padding-top: var(--space-md);
    margin-top: var(--space-sm);
}

.summary-row span:first-child {
    color: var(--color-silver);
}

.summary-row span:last-child {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-white);
}

.summary-row.total span:last-child {
    font-size: 1.25rem;
    color: var(--color-electric-blue);
}

.btn-full {
    width: 100%;
    margin-top: var(--space-md);
}

/* Performance Section */
.performance-section {
    position: relative;
    padding: var(--space-3xl) 0;
    background: var(--color-matte-black);
    overflow: hidden;
}

.performance-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.speed-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 50px,
        rgba(0, 212, 255, 0.03) 50px,
        rgba(0, 212, 255, 0.03) 51px
    );
    animation: speedLines 20s linear infinite;
}

@keyframes speedLines {
    0% { transform: translate(-50%, -50%) translateX(0); }
    100% { transform: translate(-50%, -50%) translateX(-51px); }
}

.performance-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.speedometer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.speedometer {
    position: relative;
    width: 300px;
    height: 180px;
}

.speedometer-svg {
    width: 100%;
    height: 100%;
}

.gauge-bg {
    fill: none;
    stroke: var(--color-charcoal);
    stroke-width: 8;
    stroke-linecap: round;
}

.gauge-fill {
    fill: none;
    stroke: url(#gaugeGradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 251;
    stroke-dashoffset: 251;
    transition: stroke-dashoffset 1s ease;
}

.speed-display {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.speed-value {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1;
}

.speed-unit {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-silver);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.rpm-display {
    position: absolute;
    top: 40%;
    right: 20px;
    text-align: center;
}

.rpm-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-electric-blue);
}

.rpm-unit {
    font-size: 0.75rem;
    color: var(--color-silver);
    text-transform: uppercase;
}

.btn-rev {
    margin-top: var(--space-xl);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--color-pink), var(--color-purple));
    border: none;
    color: var(--color-white);
    border-radius: 4px;
    cursor: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-fast);
}

.btn-rev:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(255, 0, 110, 0.5);
}

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

.perf-stat {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.stat-bar {
    flex: 1;
    height: 4px;
    background: var(--color-charcoal);
    border-radius: 2px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    width: var(--fill);
    background: linear-gradient(90deg, var(--color-electric-blue), var(--color-cyan));
    border-radius: 2px;
    animation: fillBar 1.5s ease-out forwards;
}

@keyframes fillBar {
    from { width: 0; }
    to { width: var(--fill); }
}

.stat-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    min-width: 100px;
}

.perf-label {
    font-size: 0.875rem;
    color: var(--color-silver);
}

.perf-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--space-3xl) 0;
    background: var(--color-gunmetal);
}

.testimonials-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    position: relative;
    padding: var(--space-xl);
    border-radius: 12px;
    overflow: hidden;
}

.testimonial-card.featured {
    transform: scale(1.05);
}

.testimonial-glass {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    z-index: 1;
}

.testimonial-content {
    position: relative;
    z-index: 2;
}

.testimonial-quote {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-electric-blue);
    opacity: 0.5;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.testimonial-text {
    font-size: 1.125rem;
    color: var(--color-white);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-electric-blue), var(--color-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-white);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-white);
}

.author-title {
    font-size: 0.875rem;
    color: var(--color-silver);
}

/* Booking Section */
.booking-section {
    padding: var(--space-3xl) 0;
    background: var(--color-matte-black);
}

.booking-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: center;
}

.booking-info {
    padding-right: var(--space-xl);
}

.booking-desc {
    font-size: 1.125rem;
    color: var(--color-silver);
    line-height: 1.8;
    margin: var(--space-md) 0 var(--space-xl);
}

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

.booking-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-silver);
}

.booking-feature svg {
    width: 20px;
    height: 20px;
    color: var(--color-electric-blue);
}

.booking-form-container {
    background: var(--color-gunmetal);
    border-radius: 12px;
    padding: var(--space-2xl);
    border: 1px solid var(--color-charcoal);
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-silver);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    padding: 0.875rem 1rem;
    background: var(--color-charcoal);
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-electric-blue);
    background: var(--color-gunmetal);
}

.form-input::placeholder {
    color: var(--color-silver);
    opacity: 0.5;
}

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

.model-option {
    padding: 0.75rem;
    background: var(--color-charcoal);
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--color-silver);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: none;
    transition: all var(--transition-fast);
}

.model-option:hover,
.model-option.active {
    border-color: var(--color-electric-blue);
    color: var(--color-electric-blue);
    background: rgba(0, 212, 255, 0.1);
}

/* Footer */
.main-footer {
    position: relative;
    padding: var(--space-3xl) 0 var(--space-lg);
    background: var(--color-gunmetal);
    border-top: 1px solid var(--color-charcoal);
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-electric-blue), transparent);
    box-shadow: 0 0 20px var(--color-electric-blue);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-2xl);
}

.footer-brand {
    max-width: 200px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    color: var(--color-white);
}

.footer-tagline {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-silver);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

.footer-links {
    display: flex;
    gap: var(--space-3xl);
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

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

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

.footer-column a {
    color: var(--color-silver);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-electric-blue);
}

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-charcoal);
    border-radius: 8px;
    color: var(--color-silver);
    transition: all var(--transition-fast);
}

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

.social-link:hover {
    background: var(--color-electric-blue);
    color: var(--color-matte-black);
    transform: translateY(-2px);
}

.footer-bottom {
    max-width: 1400px;
    margin: var(--space-2xl) auto 0;
    padding: var(--space-lg) var(--space-lg) 0;
    border-top: 1px solid var(--color-charcoal);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-silver);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .car-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .car-card.featured .card-image {
        aspect-ratio: 4/3;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card.featured {
        transform: none;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .showcase-display,
    .studio-container,
    .performance-content,
    .booking-container {
        grid-template-columns: 1fr;
    }
    
    .studio-preview {
        position: relative;
        top: 0;
    }
    
    .hero-stats {
        gap: var(--space-xl);
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .collection-grid {
        grid-template-columns: 1fr;
    }
    
    .car-card.featured {
        grid-column: span 1;
    }
    
    .hero-stats {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .category-tabs {
        flex-wrap: wrap;
    }
    
    .car-specs {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .showroom-features {
        flex-direction: column;
        align-items: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .model-select {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .title-line-1 {
        font-size: 3rem;
    }
    
    .title-line-2 {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }
    
    .speedometer {
        width: 250px;
        height: 150px;
    }
    
    .speed-value {
        font-size: 3rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .speed-lines {
        animation: none;
    }
}

/* Selection */
::selection {
    background: var(--color-electric-blue);
    color: var(--color-matte-black);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-charcoal);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-electric-blue);
}