* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

body {
    margin: 0;
    background: #000;
    color: #fff;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 30px 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

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

.tagline {
    color: #aaa;
    font-size: 1.1rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.card {
    background: #111;
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    text-align: center;
}

.card h2 {
    margin-bottom: 10px;
    font-size: 1.6rem;
}

.card p {
    color: #bbb;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 14px 26px;
    border-radius: 30px;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}

/* Button Colors */
.btn-blue {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
}

.btn-green {
    background: linear-gradient(135deg, #00ff99, #00cc66);
}

.btn-purple {
    background: linear-gradient(135deg, #a855f7, #7c3aed);
}

.btn-orange {
    background: linear-gradient(135deg, #ff9f00, #ff6a00);
}

/* Mobile tweaks */
@media (max-width: 600px) {
    header h1 {
        font-size: 2.3rem;
    }
}