/* ───────────────────────────────────────────────────────────────
   CARD COMPONENTS — premium refresh, theme-aware
   ─────────────────────────────────────────────────────────────── */

.card {
    background: var(--surface-card-translucent);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-gold);
}

/* Card Header — navy in both themes, gold hairline underneath */
.card-header {
    padding: 0.85rem 1.25rem;
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        var(--color-primary-dark) 100%
    );
    color: var(--on-brand);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-bottom: 1px solid var(--border-gold);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    color: var(--on-brand);
    margin-bottom: 0;
}

/* Card Body */
.card-body {
    padding: 1.15rem 1.35rem;
    background: transparent;
    color: var(--text-body);
}

/* Card Footer */
.card-footer {
    padding: 0.75rem 1.25rem;
    background: var(--surface-raised);
    border-top: 1px solid var(--border-subtle);
}

/* Card Variations */
.card-flat {
    box-shadow: none;
    border: 1px solid var(--border-strong);
}

.card-elevated {
    box-shadow: var(--shadow-lg);
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}