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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.nav-brand h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

.brand-subtitle {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.download-btn {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.download-btn img {
    height: 60px;
    width: auto;
}

.hero-features {
    display: flex;
    gap: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.feature-icon {
    font-size: 1.5rem;
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #1f2937;
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 30px;
    overflow: hidden;
}

.app-preview {
    padding: 20px;
    height: 100%;
    background: linear-gradient(to bottom, #f8fafc, #e2e8f0);
}

.app-header {
    text-align: center;
    margin-bottom: 40px;
}

.status-bar {
    height: 20px;
    background: #e2e8f0;
    border-radius: 10px;
    margin-bottom: 20px;
}

.app-header h3 {
    color: #1f2937;
    font-size: 1.25rem;
    font-weight: 600;
}

.scan-area {
    background: white;
    border-radius: 20px;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.scan-box {
    width: 120px;
    height: 120px;
    border: 3px dashed #2563eb;
    border-radius: 15px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.scan-box::before {
    content: '📱';
    font-size: 2rem;
}

.scan-area p {
    color: #6b7280;
    font-weight: 500;
}

.app-features {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.feature-pill {
    background: #2563eb;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon-large {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-top: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 30px;
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.step p {
    color: #6b7280;
    line-height: 1.6;
}

/* Download CTA Section */
.download-cta {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.download-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-cta p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #1f2937;
    color: #d1d5db;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section h3 {
    font-size: 1.5rem;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #60a5fa;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-features {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .download-cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .container {
        padding: 0 15px;
    }
}