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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #000000;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 1200px;
    width: 100%;
    background: #000000;
    border: 2px solid #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

header {
    background: #000000;
    color: white;
    padding: 60px 40px;
    text-align: center;
    border-bottom: 2px solid #ffffff;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 1px;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.95;
    font-style: italic;
}

main {
    padding: 60px 40px;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

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

.hero p {
    font-size: 1.2rem;
    color: #cccccc;
    max-width: 800px;
    margin: 0 auto;
}

.content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: #000000;
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #ffffff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

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

.card p {
    color: #cccccc;
    line-height: 1.8;
}

footer {
    background: #000000;
    color: white;
    text-align: center;
    padding: 30px;
    font-size: 0.9rem;
    border-top: 2px solid #ffffff;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    main {
        padding: 40px 20px;
    }
    
    .content {
        grid-template-columns: 1fr;
    }
}