:root {
    --primary-color: #008080;
    --secondary-color: #34495e;
    --dark-bg: #1a1a1a;
    --light-text: #ffffff;
}

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

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

header {
    background-color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo-container {
    display: flex;
    align-items: center;
    margin-right: auto;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-left: 10px;
}

.logo-image {
    max-width: 100px;
    height: auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--secondary-color);
}

.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.app-store-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.2s;
}

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

.phone-mockup {
    width: 80%;
    max-width: 300px;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.features {
    background-color: #f8f9fa;
    padding: 4rem 2rem;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.feature-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--dark-bg);
    color: var(--light-text);
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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