.diploma-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 2rem 0 1rem;
}

/* --- Single Tile --- */
.diploma-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.75rem 1.25rem 2.25rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    text-decoration: none;
    color: var(--text-main);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* --- Hover State (matching .glass-button:hover) --- */
.diploma-tile:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
}

/* --- Icon --- */
.diploma-tile__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(138, 43, 226, 0.12));
    color: var(--accent);
    flex-shrink: 0;
}

.diploma-tile__icon svg {
    width: 26px;
    height: 26px;
}

/* --- Title --- */
.diploma-tile__title {
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.45;
    text-align: center;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Date --- */
.diploma-tile__date {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.45);
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    letter-spacing: 0.02em;
}

/* --- PDF Badge --- */
.diploma-tile__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-violet));
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    opacity: 0;
    transform: translateY(-4px);
    transition:
        opacity 0.3s ease,
        transform 0.3s ease;
    pointer-events: none;
}

.diploma-tile:hover .diploma-tile__badge {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .diploma-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 540px) {
    .diploma-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .diploma-tile {
        padding: 1.25rem 1rem 1.75rem;
    }
}