:root {
    --primary-color: #1e213a;
    --secondary-color: #6a0dad;
    --accent-color: #ff9f1c;
    --gradient-start: #4361ee;
    --gradient-end: #4cc9f0;
    --text-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
}
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}
header {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 20px 40px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 6px var(--shadow-color);
}
header h1 {
    font-size: 2.5rem;
    margin: 0;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}
header p {
    font-size: 1.2rem;
    margin-top: 10px;
    opacity: 0.8;
}
.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px 40px;
}
.asymmetric-container {
    display: flex;
    align-items: stretch;
    margin-bottom: 40px;
}
.main-content {
    width: 55%;
    background: var(--primary-color);
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 6px 12px var(--shadow-color);
    transition: transform 0.3s ease-in-out;
}
.main-content:hover {
    transform: scale(1.02);
}
.visual-balance {
    width: 40%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
}
.visual-balance::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 10%, transparent 10.01%);
    animation: rotate 10s linear infinite;
}
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.card {
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px var(--shadow-color);
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px var(--shadow-color);
}
.button {
    background: var(--accent-color);
    color: var(--text-color);
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}
.button:hover {
    background: darken(var(--accent-color), 10%);
    transform: scale(1.05);
}
@media (max-width: 768px) {
    .asymmetric-container {
        flex-direction: column;
    }
    .main-content, .visual-balance {
        width: 100%;
    }
    header h1 {
        font-size: 2rem;
    }
}
@media (max-width: 480px) {
    body {
        padding: 0;
    }
    .container {
        padding: 10px;
    }
    header {
        padding: 15px;
    }
    header h1 {
        font-size: 1.5rem;
    }
}