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

:root {
    --primary-blue: #2196F3;
    --dark-blue: #1976D2;
    --purple: #9C27B0;
    --gold: #FFD700;
    --bg-primary: #F5F5F5;
    --text-primary: #212121;
    --text-secondary: #757575;
    --card-bg: #FFFFFF;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: white;
    font-size: 1.8rem;
}

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

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

.nav-menu a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue), var(--purple));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s;
    display: inline-block;
}

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

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

.btn-secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid white;
}

/* Features */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

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

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* App Section */
.app-section {
    padding: 80px 0;
    background: white;
}

.app-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

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

.app-info h3 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.app-info ul {
    list-style: none;
    margin-bottom: 2rem;
}

.app-info li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
}

.store-btn img {
    height: 50px;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #333;
    border-radius: 30px;
    padding: 20px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.screen {
    background: linear-gradient(135deg, var(--primary-blue), var(--purple));
    height: 100%;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Contact */
.contact {
    padding: 60px 0;
    background: var(--bg-primary);
    text-align: center;
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* Footer */
footer {
    background: var(--text-primary);
    color: white;
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .app-content {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}