.concert-hero { padding: clamp(2.5rem, 5vw, 4.5rem) 0; background: linear-gradient(140deg, #fff8ec, #fff 65%, #f9f3ed); }
.concert-heading { max-width: 850px; margin-bottom: 2.5rem; }
.concert-heading h1 { max-width: 20ch; font-size: clamp(2.4rem, 5vw, 4rem); }
.concert-heading > p:last-child { font-size: clamp(1.1rem, 2vw, 1.35rem); color: #925328; font-weight: 600; }
.concert-grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.concert-poster { display: block; max-width: 560px; margin: 0 auto; border-radius: 18px; overflow: hidden; box-shadow: 0 20px 50px #39180926; }
.concert-poster img { width: 100%; height: auto; }
.concert-notes h2 { font-size: clamp(1.75rem, 3vw, 2.3rem); line-height: 1.22; }
.concert-badge { display: inline-block; margin-top: 0; padding: .45rem .8rem; border-radius: 999px; background: #f7e7c6; color: #61400c; font-size: .88rem; font-weight: 800; }
.concert-times { margin: 1.7rem 0; padding: clamp(1.1rem, 2vw, 1.5rem); border-left: 4px solid #ba8a38; border-radius: 0 12px 12px 0; background: #fff; box-shadow: var(--shadow-soft); }
.concert-times h3 { margin-top: 0; font-size: 1.25rem; }
.concert-times a, .concert-notice a { font-weight: 750; }
.concert-small { font-size: .92rem; color: var(--color-muted); }
.concert-beginner-notes { display: grid; gap: .85rem; padding: 0; margin: 1.3rem 0; list-style: none; }
.concert-beginner-notes li { padding-left: 1rem; border-left: 3px solid #d9b775; color: #171421; }
.concert-beginner-notes strong { color: #79511c; }
.concert-package-card { align-self: start; padding: clamp(1.1rem, 2.5vw, 1.5rem); background: #fff4d9; border: 1px solid #e5c88e; border-radius: 14px; }
.concert-package-card h2 { margin: 0; color: #79511c; font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.3; }
.concert-package-card > p:last-child { margin-bottom: 0; }
.concert-details { display: grid; gap: .7rem; padding: 0; margin: 1.2rem 0; list-style: none; font-size: .95rem; line-height: 1.5; }
.concert-form-deadline { padding: .7rem .9rem; background: #ece4ff; border-left: 4px solid #7c4fd8; border-radius: 6px; color: #562576; font-size: .95rem; }
.concert-notice { padding: 1rem 1.2rem; margin: 1rem 0; border-radius: 12px; }
.concert-notice { background: #fff8ec; border: 1px solid #e8cf9e; }
.concert-success, .concert-error { padding: 1rem 1.2rem; margin: 1rem 0; border-radius: 12px; }
.concert-success { background: #eef8f1; border: 1px solid #a1ccaf; }
.concert-error { background: #fff1f1; border: 1px solid #f1a7a7; color: #8a1f1f; }
.concert-success h3 { margin-top: 0; }
.concert-booking button:disabled { opacity: .6; cursor: not-allowed; }
.concert-booking [hidden] { display: none; }
.button[aria-disabled="true"] { opacity: .6; cursor: not-allowed; }
.concert-checkout { padding: clamp(1.2rem, 3vw, 2rem); background: var(--color-surface); border-radius: 18px; }
.concert-checkout > h3 { margin-top: 0; font-size: 1.6rem; }
@media (min-width: 860px) { .concert-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
@media (max-width: 480px) { .concert-badge { border-radius: 12px; } .concert-hero .nav-cta, .nav-cta { font-size: .8rem; padding: .65rem .8rem; } .concert-heading { margin-bottom: 1.6rem; } }

.concert-deadline-line { max-width: 45ch; margin-top: .85rem; color: #79511c; font-size: .95rem; }
@media (min-width: 860px) { .concert-poster { grid-column: 1; grid-row: 1; } .concert-notes { grid-column: 2; grid-row: 1; } }