* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 20px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.logo-icon {
    font-size: 32px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.4);
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark);
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    margin: 0 auto;
    background: var(--dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000 0%, #1a1a2e 100%);
    border-radius: 32px;
    overflow: hidden;
    padding: 20px;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 20px;
}

.preview-icon {
    font-size: 24px;
}

.car-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(10px);
}

.car-placeholder {
    font-size: 80px;
    text-align: center;
    margin-bottom: 20px;
}

.car-info {
    text-align: center;
    color: var(--white);
}

.car-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.car-detail {
    font-size: 14px;
    opacity: 0.7;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-header p {
    font-size: 20px;
    color: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px;
    background: var(--light);
    border-radius: 20px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.step h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--dark);
}

.step p {
    color: var(--gray);
}

.step-arrow {
    font-size: 32px;
    color: var(--primary);
    font-weight: 700;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
}

.download-content {
    text-align: center;
}

.download-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 20px;
    opacity: 0.8;
    margin-bottom: 40px;
}

.store-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--white);
    color: var(--dark);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.store-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.store-icon {
    font-size: 32px;
}

.store-label {
    font-size: 12px;
    opacity: 0.7;
}

.store-name {
    font-size: 20px;
    font-weight: 700;
}

/* Footer */
footer {
    padding: 60px 0 30px;
    background: var(--dark-light);
    color: var(--white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

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

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .nav-links {
        gap: 16px;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-header h2 {
        font-size: 32px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons a {
        width: 100%;
        text-align: center;
    }

    .btn-large {
        padding: 14px 32px;
        font-size: 16px;
    }

    .phone-mockup {
        width: 220px;
        height: 440px;
    }
}