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

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #f59e0b;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-lg);
    transition: right 0.3s;
    z-index: 200;
    padding: 2rem;
}

.mobile-menu.active {
    right: 0;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text);
}

.mobile-nav-list {
    list-style: none;
    margin-top: 3rem;
}

.mobile-nav-list li {
    margin: 1.5rem 0;
}

.mobile-nav-list a {
    text-decoration: none;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.625rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.hero-image {
    position: relative;
}

.image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-card img {
    width: 100%;
    display: block;
}

.image-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow);
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    border-radius: 16px;
    background: var(--bg-light);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-icon {
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* Inventory Section */
.inventory {
    padding: 4rem 0;
    background: var(--bg-light);
}

.search-bar {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.search-bar input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
}

.car-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.car-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.car-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.car-details {
    padding: 1.5rem;
}

.car-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: #dcfce7;
    color: #15803d;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.car-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.car-specs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.car-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* How It Works */
.how-it-works {
    padding: 4rem 0;
    background: white;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 0.75rem 2rem;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.tab-content {
    transition: opacity 0.3s;
}

.tab-content.hidden {
    display: none;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 16px;
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.step-card p {
    color: var(--text-light);
}

/* About Section */
.about {
    padding: 4rem 0;
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.about-text > p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.about-points {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.point {
    display: flex;
    gap: 1rem;
}

.point h4 {
    margin-bottom: 0.25rem;
    color: var(--text);
}

.point p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* Testimonials */
.testimonials {
    padding: 4rem 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 16px;
}

.stars {
    color: #f59e0b;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-card p {
    color: var(--text);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

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

.author-location {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text);
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
}

.method-icon {
    flex-shrink: 0;
}

.method-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.method-value {
    font-weight: 600;
    color: var(--text);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    display: block;
    background: #dcfce7;
    color: #15803d;
}

.form-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.7;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
}

.newsletter-form button {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu,
    .navbar > .btn-primary {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-stats {
        justify-content: space-around;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .search-bar {
        flex-direction: column;
    }

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

    .tabs {
        flex-direction: column;
    }
}