/* Reset & 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: #1d1d1f;
    background-color: #ffffff;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.brand-text {
    font-size: 24px;
    font-weight: 700;
    color: #007AFF;
}

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

.nav-links a {
    text-decoration: none;
    color: #1d1d1f;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: #007AFF;
    color: white !important;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #0056CC;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #007AFF, #5856D6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6c757d;
    margin-bottom: 40px;
    line-height: 1.6;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #007AFF;
}

.stat-label {
    font-size: 0.9rem;
    color: #6c757d;
}

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

.app-store-button img {
    height: 60px;
    transition: transform 0.3s ease;
}

.app-store-button:hover img {
    transform: scale(1.05);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    max-width: 300px;
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.phone-mockup:hover {
    transform: rotate(0deg) scale(1.05);
}

.phone-mockup img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #ffffff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1d1d1f;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #007AFF;
}

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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 80px 0;
    background: #f8f9fa;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.screenshot {
    text-align: center;
}

.screenshot img {
    width: 100%;
    max-width: 250px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.screenshot img:hover {
    transform: scale(1.05);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #007AFF, #5856D6);
    color: white;
    text-align: center;
}

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

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

.app-store-button.large img {
    height: 80px;
}

/* Footer */
.footer {
    background: #1d1d1f;
    color: #ffffff;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand .brand-text {
    color: #ffffff;
}

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

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #343a40;
    color: #adb5bd;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 15px;
        padding: 10px 20px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .hero {
        padding: 140px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav {
        gap: 10px;
        padding: 8px 15px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 150px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}