/* ---------- grade page (lists subjects) ---------- */
.page-head {
    padding: 34px 0 24px;
    border-bottom: 1px solid var(--line)
}

.page-head h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(36px, 5vw, 56px);
    letter-spacing: -.015em;
    line-height: 1.05
}

.page-head p {
    margin-top: 10px;
    color: var(--faint);
    font-size: 14px
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 40px 0 120px
}

.subject-card {
    background: var(--card);
    border: 1px solid var(--line);
    padding: 32px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--serif);
    font-size: 20px;
    transition: border-color .25s, transform .25s, box-shadow .25s
}

.subject-card:hover {
    border-color: var(--line-dark);
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(28, 27, 23, .06);
    color: var(--accent)
}

.subject-card::after {
    content: "→";
    font-size: 15px;
    color: var(--faint);
    transition: color .25s
}

.subject-card:hover::after {
    color: var(--accent)
}

@media (max-width:900px) {
    .subject-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:640px) {
    .subject-grid {
        grid-template-columns: 1fr;
        gap: 12px
    }
}