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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000000;
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
}

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

.main-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0;
}

.main-header h1 {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border: 1px solid #333333;
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.1);
    border-color: #555555;
}

.card h2 {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 20px;
    color: #ffffff;
    border-bottom: 2px solid #333333;
    padding-bottom: 10px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: background 0.2s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.label {
    font-weight: 500;
    color: #cccccc;
}

.value {
    font-weight: 300;
    color: #ffffff;
    font-family: 'Courier New', monospace;
}

.tool-list {
    list-style: none;
    margin-top: 15px;
}

.tool-list li {
    padding: 12px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid #ffffff;
    transition: all 0.2s ease;
}

.tool-list li:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.card p {
    margin-bottom: 15px;
    color: #cccccc;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .main-header h1 {
        font-size: 2.5rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .main-header {
        padding: 20px 0;
        margin-bottom: 30px;
    }
    
    .main-header h1 {
        font-size: 2rem;
    }
}