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

body {
    font-family: -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: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.nav-brand h2 {
    color: #007AFF;
    font-size: 1.8rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #007AFF;
}

/* Hero Section */
.hero {
    margin-top: 70px;
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: #007AFF;
    color: white;
}

.btn-primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #007AFF;
}

.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.app-preview {
    font-size: 10rem;
    opacity: 0.8;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

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

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #007AFF;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* Pricing */
.pricing {
    padding: 100px 0;
    background: #f8f9fa;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    position: relative;
}

.pricing-card.featured {
    border: 3px solid #007AFF;
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: "Popular";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #007AFF;
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #333;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: #007AFF;
    margin-bottom: 30px;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    max-width: 200px;
    margin: 0 auto;
}

.pricing-card li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 25px;
}

.pricing-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #007AFF;
    font-weight: bold;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: white;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.download p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

.app-store-btn {
    display: inline-block;
    transition: transform 0.3s ease;
}

.app-store-btn:hover {
    transform: translateY(-2px);
}

.app-store-btn img {
    height: 60px;
}

/* Footer */
footer {
    background: #333;
    color: white;
    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 {
    margin-bottom: 20px;
    color: #007AFF;
}

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

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

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

.footer-section a:hover {
    color: #007AFF;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}