/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Premium White & Green Color Palette */
    --primary-color: #ffffff;
    --secondary-color: #f8fafc;
    --accent-color: #22c55e;
    --accent-light: #16a34a;
    --accent-dark: #15803d;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --text-primary: #14532d;
    --text-secondary: #166534;
    --text-muted: #4b5563;
    --text-dark: #111827;
    --text-light: #ffffff;
    --background-light: #ffffff;
    --background-dark: #f8fafc;
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(34, 197, 94, 0.2);
    --glass-bg-dark: rgba(255, 255, 255, 0.1);
    --glass-border-dark: rgba(34, 197, 94, 0.15);
    --shadow-light: 0 4px 6px rgba(34, 197, 94, 0.1);
    --shadow-medium: 0 8px 25px rgba(34, 197, 94, 0.15);
    --shadow-heavy: 0 20px 40px rgba(34, 197, 94, 0.2);
    --shadow-glow: 0 0 30px rgba(34, 197, 94, 0.3);
    
    /* Premium Typography */
    --font-heading: 'Young Serif', serif;
    --font-body: 'Young Serif', 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--green-100) 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

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

.nav {
    padding: var(--spacing-lg) 0;
}

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

.nav-logo h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark), var(--green-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link:hover {
    color: var(--accent-color);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--green-600));
    transition: var(--transition-normal);
    border-radius: 1px;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--green-100) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    margin-top: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(22, 163, 74, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 4px rgba(34, 197, 94, 0.1);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    font-weight: 400;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-normal);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: var(--text-light);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(34, 197, 94, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-car-image {
    width: 100%;
    max-width: 600px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-heavy);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-car-image:hover {
    transform: scale(1.02) rotate(1deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.hero-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(243, 156, 18, 0.1));
    border: 2px dashed var(--accent-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    text-align: center;
}

/* Section Styles */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--text-muted);
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

/* Contact section subtitle - make it visible on dark background */
.contact .section-subtitle {
    color: var(--text-light);
}

/* Services Section */
.services {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--green-100) 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(22, 163, 74, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.service-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(22, 163, 74, 0.02));
    opacity: 0;
    transition: var(--transition-normal);
}

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

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-heavy);
    border-color: rgba(34, 197, 94, 0.2);
}

.service-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

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

.service-card:hover .service-img {
    transform: scale(1.1);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    padding: 0 var(--spacing-xl);
    margin-top: var(--spacing-xl);
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.6;
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    font-weight: 400;
}

.service-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

/* Inventory Section */
.inventory {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--green-800) 0%, var(--green-900) 50%, var(--green-700) 100%);
    position: relative;
    overflow: hidden;
}

.inventory::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(34, 197, 94, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(22, 163, 74, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.car-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
    position: relative;
}

.car-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-heavy);
    border-color: rgba(34, 197, 94, 0.3);
}

.car-image {
    position: relative;
    width: 100%;
    height: 260px;
    overflow: hidden;
}

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

.car-card:hover .car-img {
    transform: scale(1.1);
}

.car-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-color), var(--green-600));
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.car-info {
    padding: var(--spacing-xl);
}

.car-info h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.car-details {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.car-price {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.btn-small {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    display: inline-block;
    text-align: center;
    box-shadow: var(--shadow-medium);
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, var(--accent-dark), var(--accent-color));
}

.inventory-cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

/* About Section */
.about {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--green-100) 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 40% 60%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(22, 163, 74, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-xl);
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
}

.about-text p {
    margin-bottom: var(--spacing-xl);
    color: var(--text-muted);
    line-height: 1.7;
    font-weight: 400;
    font-size: var(--font-size-lg);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: rgba(34, 197, 94, 0.2);
}

.stat h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.stat p {
    color: var(--text-muted);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.about-img {
    width: 100%;
    max-width: 500px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-heavy);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.about-img:hover {
    transform: scale(1.03) rotate(-1deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.about-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.1), rgba(22, 33, 62, 0.1));
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* Contact Section */
.contact {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--green-800) 0%, var(--green-900) 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(34, 197, 94, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(22, 163, 74, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-light);
    letter-spacing: -0.02em;
}

.contact-item {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(34, 197, 94, 0.3);
}

.contact-item strong {
    display: block;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-weight: 400;
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-heavy);
}

.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-dark);
    font-size: var(--font-size-base);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--green-100) 100%);
    color: var(--text-primary);
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(22, 163, 74, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-family: var(--font-heading);
    letter-spacing: -0.01em;
}

.footer-section h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--green-600), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-md);
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 400;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-2xl);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    color: var(--text-muted);
    font-weight: 400;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-car-image {
        height: 300px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-img {
        height: 300px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

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

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

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

    .car-image {
        height: 200px;
    }

    .service-image {
        height: 160px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

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

    .hero-car-image {
        height: 250px;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

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

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

    .car-image {
        height: 180px;
    }

    .service-image {
        height: 140px;
    }

    .about-img {
        height: 250px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

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

/* Image Loading Optimization */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.hero-car-image,
.service-img,
.car-img,
.about-img {
    transition: var(--transition);
    will-change: transform;
}

/* Lazy loading placeholder */
.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}

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

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Form Success/Error States */
.form-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.form-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

/* Loading spinner for form submission */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
}

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