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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

main {
    background: white;
    border-radius: 12px;
    margin: 2rem auto;
    margin-top: 4rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

nav a {
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

main {
    padding: 3rem 0;
    min-height: 70vh;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    animation: fadeIn 0.8s ease-in;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
}

.apps-preview {
    margin-top: 3rem;
}

.apps-preview h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.app-card {
    background: white;
    border: none;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    animation: fadeIn 1s ease-in;
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.3);
}

.app-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.app-detail {
    padding: 2rem;
    margin-bottom: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    animation: fadeIn 0.6s ease-in;
}

.app-detail h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
}

footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: #333;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    nav .container {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }
}