/* About archive: inherits the homepage's astronomy editorial identity. */
.site-nav__list a[aria-current="page"] { color: var(--teal-300); text-decoration: underline; text-underline-offset: 7px; }
.about-hero { padding-top: 30px; }
.breadcrumbs { display: flex; gap: 12px; color: var(--on-dark-2); font-size: .8125rem; }
.breadcrumbs a { color: var(--on-dark-2); }
.about-hero__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: end; padding-block: 36px 56px; }
.about-hero h1 { font-size: clamp(2.4rem, 4.3vw, 3.8rem); line-height: 1.12; }
.about-hero__intro p { max-width: 44ch; font-size: 1.125rem; line-height: 1.8; color: var(--on-dark-2); margin-bottom: 28px; }
.about-sections { display: flex; flex-wrap: wrap; gap: 12px 32px; border-top: 1px solid var(--on-dark-line); padding-block: 22px 30px; }
.about-sections a { color: var(--on-dark); text-decoration: none; font-size: .9375rem; padding-block: 5px; }
.about-sections a:hover { color: var(--teal-300); text-decoration: underline; }
.about-page section { scroll-margin-top: 24px; }
.about-page h2 { font-size: clamp(1.8rem, 2.6vw, 2.5rem); }
.about-page h3 { font-size: 1.5rem; }
.society-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 100px; }
.society-intro p { margin-top: 24px; color: var(--ink-2); max-width: 60ch; }
.society-intro .more { margin-top: 28px; white-space: normal; }
.activity-list { margin: 0; }
.activity-list div { border-top: 1px solid var(--line-strong); padding-block: 20px; }
.activity-list div:first-child { border-color: var(--navy-700); }
.activity-list div:last-child { padding-bottom: 0; }
.activity-list dt { font: 600 1.35rem/1.3 var(--font-display); margin-bottom: 8px; }
.activity-list dd { margin: 0; color: var(--ink-2); font-size: .9375rem; }
.membership { background: var(--navy-800); color: var(--on-dark); padding-block: 48px; }
.membership__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 100px; align-items: center; }
.membership p { color: var(--on-dark-2); max-width: 55ch; margin-block: 18px 24px; }
.membership__details { padding-left: 32px; border-left: 1px solid var(--on-dark-line); }
.membership__details h3 { font-size: 1.25rem; }
.membership__details dl { margin-block: 16px; }
.membership__details dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding-block: 12px; border-bottom: 1px solid var(--on-dark-line); }
.membership__details dt { font-size: .875rem; }
.membership__details dd { margin: 0; font-size: 1.25rem; font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.membership__details dd span { color: var(--on-dark-2); font-size: .8125rem; font-weight: 400; }
.membership__details p { font-size: .8125rem; margin-bottom: 0; }
.membership__details a { color: var(--teal-300); }
.membership :focus-visible { outline-color: var(--teal-300); }
.publication-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; }
.publication { color: var(--ink); text-decoration: none; }
.publication--lead { display: grid; grid-template-columns: 185px 1fr; align-items: center; gap: 30px; }
.publication__art { min-height: 280px; padding: 25px 20px; background: var(--navy-900) url('assets/constellations.png') center / cover; color: var(--on-dark); display: flex; flex-direction: column; border-radius: 2px 10px 10px 2px; box-shadow: var(--shadow-card); }
.publication__art > span:first-child { font: 600 1.8rem var(--font-display); margin-bottom: 10px; }
.publication__art > span:nth-child(2) { font-size: .75rem; }
.publication__art .publication__art-bottom { margin-top: auto; padding-top: 15px; border-top: 1px solid var(--on-dark-line); font-size: .65rem; color: var(--teal-300); }
.publication__body p, .publication-row p { color: var(--ink-2); margin-block: 16px 22px; font-size: .9375rem; }
.publication__link { display: inline-flex; align-items: center; gap: 10px; color: var(--teal-700); font-size: .875rem; font-weight: 700; }
.publication__link svg, .document-list svg { width: 20px; height: 20px; flex-shrink: 0; }
.publication:hover h3, .publication-row:hover h3 { color: var(--teal-700); text-decoration: underline; text-underline-offset: 4px; }
.publication-stack { border-top: 1px solid var(--line-strong); }
.publication-row { display: block; padding-block: 24px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.publication-row p { margin-block: 10px 14px; }
.documents-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; }
.documents-grid p { margin-top: 18px; color: var(--ink-2); }
.documents-grid .society-identity { margin-top: 32px; font-size: .8125rem; line-height: 1.9; }
.document-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line-strong); }
.document-list a { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 22px 8px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.document-list small { display: block; color: var(--ink-2); margin-top: 6px; font-size: .8125rem; }
.document-list svg { color: var(--teal-700); }
.document-list a:hover { background: var(--paper); }
.document-list a:hover strong { color: var(--teal-700); }
@media (max-width: 1000px) {
 .about-hero__grid, .society-grid, .membership__grid { gap: 40px; }
 .publication-grid { grid-template-columns: 1fr; gap: 32px; }
 .publication-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
 .publication--lead { grid-template-columns: 185px 1fr; }
 .documents-grid { gap: 40px; }
}
@media (max-width: 640px) {
 .about-hero { padding-top: 20px; }
 .about-hero__grid { grid-template-columns: 1fr; gap: 24px; padding-block: 26px 32px; }
 .about-hero__intro p { font-size: 1rem; margin-bottom: 22px; }
 .about-sections { gap: 8px 24px; padding-block: 18px 24px; }
 .about-sections a { font-size: .8125rem; }
 .society-grid, .membership__grid, .documents-grid { grid-template-columns: 1fr; gap: 32px; }
 .membership__details { border-left: 0; border-top: 1px solid var(--on-dark-line); padding: 28px 0 0; }
 .publication--lead { grid-template-columns: 115px 1fr; gap: 20px; }
 .publication__art { min-height: 215px; padding: 18px 12px; }
 .publication__art > span:first-child { font-size: 1.2rem; }
 .publication__art > span:nth-child(2) { font-size: .65rem; }
 .publication__art .publication__art-bottom { font-size: .55rem; }
 .publication-stack { grid-template-columns: 1fr; gap: 0; }
 .publication__body p { font-size: .875rem; }
 .publication__link { font-size: .8125rem; }
}

/* Vedení společnosti */
.board-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 80px); }
.board-grid .society-identity { margin-top: 20px; color: var(--ink-2); line-height: 1.8; font-size: .9375rem; }
.board__officers { list-style: none; margin: 0 0 28px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.board__officers li { display: grid; gap: 4px; padding: 16px 18px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-m); }
.board__officers span, .board__auditor span { color: var(--teal-700); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.board__officers strong { font: 600 1.1rem/1.3 var(--font-display); }
.board h3 { font-size: 1.05rem; margin-bottom: 10px; }
.board__members { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px 16px; }
.board__auditor { margin-top: 20px; }

/* Platba: QR kódy pod příspěvky */
.payment-qr { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 32px; }
.payment-qr figure { margin: 0; display: grid; gap: 8px; justify-items: center; padding: 14px; background: var(--paper); border-radius: var(--radius-m); color: var(--ink-2); font-size: .8125rem; text-align: center; }
.payment-qr img { width: 140px; height: 140px; }

/* Přihláška */
.application__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr); gap: clamp(32px, 6vw, 80px); }
.membership-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.membership-form .field { display: grid; gap: 6px; margin: 0; padding: 0; border: 0; min-width: 0; }
.membership-form .field--wide { grid-column: 1 / -1; }
.membership-form label, .membership-form legend { font-weight: 600; font-size: .9375rem; }
.membership-form legend { margin-bottom: 4px; padding: 0; }
.membership-form input:not([type="radio"]):not([type="checkbox"]), .membership-form textarea { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-s); background: var(--paper); color: var(--ink); }
.membership-form input:focus-visible, .membership-form textarea:focus-visible { outline: 2px solid var(--teal-700); outline-offset: 1px; }
.membership-form [aria-invalid="true"] { border-color: #b3363a; }
.membership-form .choice { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.membership-form .choice input { margin-top: 4px; accent-color: var(--teal-700); }
.field__help { color: var(--ink-3); font-size: .8125rem; margin: 2px 0 0; }
.field__optional { color: var(--ink-3); font-weight: 400; }
.membership-form__trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.membership-form__submit { justify-items: start; gap: 10px; }
.membership-form__errors { grid-column: 1 / -1; padding: 16px 20px; border-radius: var(--radius-m); background: #fbe6e6; color: #6e1818; }
.membership-form__errors ul { margin: 8px 0 0; padding-left: 20px; }
.membership-form__errors a { color: inherit; }

/* Přihláška odeslána */
.payment-next__lead { font-size: 1.125rem; line-height: 1.7; color: var(--ink); max-width: 60ch; }
.payment-box { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; margin: 20px 0 24px; padding: 20px 24px; background: var(--paper-2); border-radius: var(--radius-m); }
.payment-box dl { display: grid; gap: 8px; margin: 0; }
.payment-box dl div { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 12px; }
.payment-box dt { color: var(--ink-3); font-size: .875rem; }
.payment-box dd { margin: 0; font-weight: 600; }
.payment-box__qr { width: 180px; height: 180px; }

@media (max-width: 900px) {
  .board-grid, .application__grid { grid-template-columns: minmax(0, 1fr); }
  .board__officers, .board__members { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .membership-form { grid-template-columns: minmax(0, 1fr); }
  .board__officers, .board__members { grid-template-columns: minmax(0, 1fr); }
  .payment-box dl div { grid-template-columns: minmax(0, 1fr); gap: 0; }
}