:root {
    --primary: #1e3a8a;
    --secondary: #0ea5e9;
    --dark: #0f172a;
    --bg-soft: #f8fafc;
}

.schemes-wrapper {
    background-color: var(--bg-soft);
    font-family: 'Inter', -apple-system, sans-serif;
    padding-bottom: 30px;
}

/* Compact Hero */
.hub-header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.hub-header h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.hub-header p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Category Headers */
.category-label {
    padding: 20px 15px 10px;
    background: white;
    margin-top: 10px;
    border-bottom: 1px solid #e2e8f0;
}

.category-label h2 {
    font-size: 1.1rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* The Grid: 2 columns on mobile, 4 on desktop */
.schemes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Mobile: 2 items per row */
    gap: 12px;
    padding: 12px;
}

.scheme-card {
    background: white;
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid #f1f5f9;
}

.card-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.scheme-card h3 {
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.scheme-card p {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* Limit to 2 lines for neatness */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Compact Buttons */
.btn-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 6px;
}

.btn-main, .btn-sub {
    width: 100%;
    padding: 8px 5px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
}

.btn-main {
    background: var(--primary);
    color: white;
}

.btn-sub {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
}

/* Desktop Adjustment */
@media (min-width: 992px) {
    .schemes-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
        margin: 0 auto;
    }
}