:root {
    --primary-color: #003f88;
    --secondary-color: #ff9900;
    --text-color: #ffffff;
    --background-gradient: linear-gradient(135deg, #003f88, #1e1e3d);
    --code-bg: #2a2a40;
    --code-text: #ffffff;
    --hover-glow: rgba(255, 153, 0, 0.4);
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: var(--background-gradient);
    color: var(--text-color);
    line-height: 1.6;
    letter-spacing: 0.5px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--primary-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-family: 'Proxima Nova Bold', sans-serif;
    font-size: 2rem;
    color: var(--secondary-color);
}

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

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--hover-glow);
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.button {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.button:hover::after {
    width: 200px;
    height: 200px;
    opacity: 0;
}

footer {
    text-align: center;
    padding: 20px;
    background: var(--primary-color);
    margin-top: 40px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
}