.academic-calendar { width: 100%; color: #102f46; }

.academic-calendar__intro,
.academic-calendar__group {
    border: 1px solid #d5e2eb;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(14, 48, 71, .06);
}

.academic-calendar__intro { padding: 24px 26px; }

.academic-calendar__eyebrow,
.academic-calendar__group-header p {
    margin: 0 0 6px;
    color: #006d91;
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.academic-calendar__intro h2,
.academic-calendar__group-header h2 {
    margin: 0;
    color: #102f46;
    font-size: clamp(1.35rem, 2vw, 1.85rem);
    line-height: 1.25;
}

.academic-calendar__intro > p:last-child,
.academic-calendar__group-header span {
    display: block;
    max-width: 760px;
    margin: 8px 0 0;
    color: #496477;
    line-height: 1.65;
}

.academic-calendar__groups { display: grid; gap: 24px; margin-top: 24px; }
.academic-calendar__group { padding: 24px; }

.academic-calendar__group-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid #dce7ee;
}

.academic-calendar__group-header > strong {
    flex: 0 0 auto;
    border-radius: 999px;
    background: #e9f4f8;
    color: #075775;
    padding: 7px 11px;
    font-size: .82rem;
}

.academic-calendar__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.academic-calendar__grid--1 { grid-template-columns: minmax(0, 1fr); }

.academic-calendar__card {
    display: flex;
    min-width: 0;
    min-height: 194px;
    overflow: hidden;
    border: 1px solid #cddde7;
    border-radius: 8px;
    background: #fff;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.academic-calendar__card:hover,
.academic-calendar__card:focus-within {
    transform: translateY(-3px);
    border-color: #08779b;
    box-shadow: 0 12px 24px rgba(7, 56, 82, .14);
}

.academic-calendar__visual {
    display: flex;
    flex: 0 0 116px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(155deg, #075775, #073852);
    color: #fff;
    transition: background .2s ease;
}

.academic-calendar__card:hover .academic-calendar__visual,
.academic-calendar__card:focus-within .academic-calendar__visual {
    background: linear-gradient(155deg, #08779b, #073852);
}

.academic-calendar__visual i { font-size: 2.65rem; }
.academic-calendar__visual span {
    border: 1px solid rgba(255, 255, 255, .55);
    border-radius: 4px;
    padding: 3px 8px;
    font: 800 .72rem/1.2 "Noto Sans", sans-serif;
    letter-spacing: .06em;
}

.academic-calendar__card-body {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    padding: 18px;
}

.academic-calendar__card h3 { margin: 0; color: #102f46; font-size: 1rem; line-height: 1.45; }
.academic-calendar__year { margin: 9px 0 0; color: #496477; font: 700 .84rem/1.35 "Noto Sans", sans-serif; }
.academic-calendar__fallback { margin: 10px 0 0; color: #875b00; font-size: .78rem; line-height: 1.4; }

.academic-calendar__action {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid #e0e9ef;
    color: #00678a;
    font-weight: 800;
    text-decoration: none;
}

.academic-calendar__action:hover,
.academic-calendar__action:focus-visible { color: #003e59; text-decoration: underline; text-underline-offset: 3px; }

.academic-calendar__empty {
    margin: 24px 0 0;
    border: 1px solid #d7e3ea;
    border-radius: 8px;
    background: #f6f9fb;
    color: #496477;
    padding: 14px 16px;
}

@media (prefers-reduced-motion: reduce) {
    .academic-calendar__card, .academic-calendar__visual { transition: none; }
    .academic-calendar__card:hover, .academic-calendar__card:focus-within { transform: none; }
}

@media (max-width: 1080px) {
    .academic-calendar__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .academic-calendar__grid--1 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
    .academic-calendar__group-header { align-items: stretch; flex-direction: column; }
    .academic-calendar__grid { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
    .academic-calendar__intro, .academic-calendar__group { padding: 18px; }
    .academic-calendar__card { min-height: 180px; }
    .academic-calendar__visual { flex-basis: 86px; }
    .academic-calendar__visual i { font-size: 2rem; }
}