:root {
    --bg: #030712;
    --card: rgba(15,23,42,0.95);
    --accent: #00d4aa;
    --text: #e5e7eb;
    --muted: #94a3b8;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
    background: radial-gradient(circle at top, #1f2937, #020617);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container { max-width: 960px; width: 100%; padding: 32px; }
.header { text-align: center; margin-bottom: 48px; }
.header h1 { font-size: 36px; font-weight: 800; margin-bottom: 8px; }
.header p { color: var(--muted); font-size: 16px; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 32px;
}

.card {
    background: var(--card);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(55,65,81,0.7);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 70px rgba(0,0,0,0.5);
}

.card.primary:hover {
    border-color: var(--accent);
    box-shadow: 0 30px 70px rgba(0,212,170,0.25);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 24px;
    margin-bottom: 12px;
}

.card p {
    color: var(--muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 600;
    background: var(--accent);
    color: #020617;
    box-shadow: 0 8px 30px rgba(0,212,170,0.4);
    transition: all 0.3s;
}

.card.secondary .btn {
    background: #1f2937;
    color: var(--text);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,212,170,0.5);
}

.footer {
    text-align: center;
    margin-top: 64px;
    color: #64748b;
    font-size: 13px;
}