html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #ffffff;
    min-height: 100vh;
}

.container {
    padding: 40px;
    max-width: 1200px;
    margin: auto;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

h2 {
    margin-top: 30px;
}

.description {
    background: rgba(255, 255, 255, 0.08);
    padding: 22px;
    border-radius: 14px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    display: block;
    padding: 22px;
    text-align: center;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    text-decoration: none;
    color: #ffffff;
    transition: 0.25s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.card:hover {
    background: rgba(255, 255, 255, 0.26);
    transform: translateY(-3px) scale(1.03);
}

a {
    color: #ffffff;
}

.backlink {
    display: inline-block;
    margin-bottom: 20px;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.14);
    padding: 10px 14px;
    border-radius: 10px;
}