/* ========================================
   CSS Variables & Root Styles
   ======================================== */
:root {
    /* Colors - Premium Palette */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #8b5cf6;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-ocean: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-dark: linear-gradient(135deg, #1e3a8a 0%, #312e81 100%);
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

/* ========================================
   Global Resets & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-800);
}

.logo i {
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: all var(--transition-base);
}

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

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

.admin-link {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
}

.admin-link::after {
    display: none;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--gray-800);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    background: var(--gradient-dark);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(49, 46, 129, 0.9) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: patternMove 20s ease-in-out infinite;
}

@keyframes patternMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-subtitle {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-features {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
}

.hero-feature i {
    font-size: var(--font-size-xl);
    color: #fbbf24;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bounce 2s ease-in-out infinite;
}

.hero-scroll i {
    font-size: var(--font-size-2xl);
    color: rgba(255, 255, 255, 0.6);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    text-align: center;
    justify-content: center;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 10;
    margin-top: calc(-1 * var(--spacing-2xl));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.stat-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Featured Cars Section
   ======================================== */
.featured-section {
    padding: var(--spacing-2xl) 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.car-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
}

.car-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.car-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.car-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.car-content {
    padding: var(--spacing-lg);
}

.car-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.car-specs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.car-spec {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.car-spec i {
    color: var(--primary);
}

.car-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.car-price {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--primary);
}

.car-link {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.car-link:hover {
    transform: translateX(5px);
}

.section-footer {
    text-align: center;
}

/* ========================================
   Why Us Section
   ======================================== */
.why-us-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.why-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.why-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.why-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.why-card:hover .why-icon {
    transform: scale(1.1) rotate(5deg);
}

.why-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.why-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.why-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.why-features {
    list-style: none;
}

.why-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.why-features li i {
    color: var(--success);
    font-size: var(--font-size-base);
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 2px solid var(--gray-100);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--primary);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info {
    flex: 1;
}

.testimonial-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2px;
}

.testimonial-location {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.testimonial-rating {
    display: flex;
    gap: 2px;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: var(--font-size-sm);
}

.testimonial-content {
    position: relative;
    padding-top: var(--spacing-md);
}

.testimonial-quote {
    position: absolute;
    top: 0;
    left: 0;
    font-size: var(--font-size-3xl);
    color: var(--primary);
    opacity: 0.2;
}

.testimonial-text {
    color: var(--gray-700);
    line-height: 1.7;
    padding-left: var(--spacing-lg);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    position: relative;
    padding: calc(var(--spacing-2xl) * 2) 0;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    color: var(--gray-300);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--spacing-xs);
}

.footer-links i {
    font-size: var(--font-size-xs);
    color: var(--primary);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--primary);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    font-size: var(--font-size-sm);
}

.footer-legal a {
    color: var(--gray-500);
}

.footer-legal a:hover {
    color: var(--white);
}

.footer-legal span {
    color: var(--gray-700);
}

/* ========================================
   Loading Spinner
   ======================================== */
.loading-spinner {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-500);
}

.loading-spinner i {
    font-size: var(--font-size-4xl);
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero {
        min-height: 80vh;
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn,
    .cta-buttons .btn {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-grid,
    .why-us-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   Page Header (for internal pages)
   ======================================== */
.page-header {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.page-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========================================
   Catalog Layout
   ======================================== */
.catalog-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

/* ========================================
   Catalog Sidebar (Filters)
   ======================================== */
.catalog-sidebar {
    position: sticky;
    top: calc(80px + var(--spacing-md));
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.filters-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.filters-header h3 i {
    color: var(--primary);
}

.btn-reset {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-reset:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.filters-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.filter-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.filter-label i {
    color: var(--primary);
}

.filter-input,
.filter-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-primary);
    transition: all var(--transition-base);
    background: var(--white);
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-range {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.filter-range input {
    flex: 1;
}

.filter-range span {
    color: var(--gray-400);
    font-weight: 600;
}

/* ========================================
   Catalog Main Content
   ======================================== */
.catalog-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.catalog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-count {
    font-size: var(--font-size-base);
    color: var(--gray-600);
}

.results-count strong {
    color: var(--primary);
    font-weight: 700;
}

.catalog-sort {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.catalog-sort label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
}

.sort-select {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.page-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
}

.page-btn:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.page-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Details Page (szczegoly.html)
   ======================================== */
.car-details-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-50);
}

.car-details-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-xl);
}

.car-gallery {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.gallery-main {
    width: 100%;
    height: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
}

.gallery-nav-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--gray-800);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.gallery-nav-btn:hover {
    background: var(--white);
    transform: scale(1.1);
}

.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.gallery-thumb {
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all var(--transition-base);
}

.gallery-thumb:hover {
    border-color: var(--primary);
}

.gallery-thumb.active {
    border-color: var(--primary);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.car-info-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: calc(80px + var(--spacing-md));
}

.car-price-big {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.car-specs-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.spec-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.spec-value {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ========================================
   Contact Form
   ======================================== */
.contact-form-section {
    padding: var(--spacing-2xl) 0;
}

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

.contact-form-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

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

.contact-info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-info-icon i {
    font-size: var(--font-size-xl);
}

/* ========================================
   Admin Panel
   ======================================== */
.admin-section {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    min-height: 100vh;
    background: var(--gray-50);
}

.admin-header {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.admin-stat-card {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    text-align: center;
}

.admin-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

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

.admin-table th,
.admin-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.admin-table th {
    background: var(--gray-50);
    font-weight: 700;
    color: var(--gray-900);
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-edit {
    background: var(--primary);
    color: var(--white);
}

.btn-delete {
    background: var(--danger);
    color: var(--white);
}

.btn-icon:hover {
    transform: scale(1.1);
}

/* ========================================
   Modal
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--danger);
    color: var(--white);
    transform: rotate(90deg);
}

/* ========================================
   Responsive: Catalog
   ======================================== */
@media (max-width: 1024px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }
    
    .catalog-sidebar {
        position: static;
    }
    
    .car-details-layout {
        grid-template-columns: 1fr;
    }
    
    .contact-form-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }
    
    .catalog-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .gallery-main {
        height: 300px;
    }
}

/* ========================================
   Image Upload Styles (Admin)
   ======================================== */
.upload-btn-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-btn:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.image-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.image-preview-item {
    position: relative;
    width: 100px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--gray-200);
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.image-preview-remove:hover {
    transform: scale(1.1);
    background: #dc2626;
}