/* ============================================================
   Concerts Section & Cards
   ============================================================ */
.concerts-section {
    padding: 5rem 0;
}

/* Concert List */
.concert-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.concert-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    align-items: start;
    gap: 1.5rem 2rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--color-rule);
    transition: background var(--transition);
    text-decoration: none;
    color: inherit;
}

.concert-item:first-child {
    border-top: 1px solid var(--color-rule);
}

.concert-item:hover {
    background: var(--color-paper-warm);
    margin-inline: -1rem;
    padding-inline: 1rem;
    border-radius: 4px;
}

/* Date block */
.concert-date {
    flex-shrink: 0;
    text-align: center;
    background: var(--color-main);
    color: #fff;
    border-radius: 3px;
    padding: 0.6rem 0.5rem;
    min-width: 80px;
}

.concert-date__weekday {
    font-family: var(--font-sans);
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold-light);
    display: block;
}

.concert-date__day {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1;
    display: block;
    margin: 0.2rem 0;
}

.concert-date__month {
    font-family: var(--font-sans);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
}

.concert-date__year {
    font-family: var(--font-sans);
    font-size: 0.58rem;
    color: rgba(255, 255, 255, 0.5);
    display: block;
}

/* Concert info */
.concert-info__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    line-height: 1.25;
}

.concert-info__program {
    font-style: italic;
    color: var(--color-main-light);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.concert-info__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: var(--color-main-muted);
}

.concert-info__meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.concert-info__meta-item svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    opacity: 0.6;
}

/* Concert CTA arrow */
.concert-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-rule);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.5rem;
    transition: border-color var(--transition), background var(--transition);
    color: var(--color-gold);
    align-self: center;
}

.concert-item:hover .concert-arrow {
    border-color: var(--color-gold);
    background: var(--color-gold);
    color: #fff;
}

/* ============================================================
   Single Concert Detail
   ============================================================ */
.concert-detail {
    padding: 4rem 0 6rem;
}

.concert-detail__layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 4rem;
    align-items: start;
}

.concert-detail__main h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.75rem;
}


.concert-detail__body p {
    margin-bottom: 1.25rem;
}

.concert-detail__sidebar {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.back-link {
    display: inline-block;
    margin-top: 3rem;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
}


/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
    .concert-detail__layout {
        grid-template-columns: 1fr;
    }

    .concert-detail__sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 640px) {
    .concert-item {
        grid-template-columns: 80px 1fr;
    }

    .concert-arrow {
        display: none;
    }
}