/* Czech Archives – "Academic Heritage" */
/* Night reading room (dark) + archive index cards (parchment) + antique gold. */
/* Contrast checked: gold on night 7.3:1, ivory on night 14:1, muted on night 6:1, ink on parchment 15:1, deep gold on parchment 5.5:1. */

:root {
  --bg: #121316;
  --bg-2: #1a1b1e;
  --panel: #22242a;
  --paper: #f4efea;
  --gold: #c5a059;
  --gold-bright: #d4af37;
  --gold-deep: #7a5a1e;
  --ink: #e8e6e3;
  --muted: #9e9b95;
  --ink-dark: #121316;
  --line: rgba(197, 160, 89, 0.45);

  --font-head: 'Cinzel Variable', 'Cinzel', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter Variable', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-type: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --gutter: clamp(1rem, 4vw, 2rem);
  --maxw: 70rem;
  --focus: var(--gold-bright);
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  background-image: repeating-linear-gradient(0deg, rgba(232, 230, 227, 0.025) 0 1px, transparent 1px 34px);
  color: var(--ink);
  font: 400 1.0625rem/1.7 var(--font-body);
  text-rendering: optimizeLegibility;
}
main {
  flex: 1;
}
main:focus {
  outline: none;
}
[hidden] {
  display: none !important;
}
img,
svg {
  max-width: 100%;
}
h1,
h2,
h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
  overflow-wrap: break-word;
  color: var(--ink);
}
h2 {
  font-size: clamp(1.4rem, 1.05rem + 1.4vw, 2rem);
  margin: 0 0 1rem;
}
p {
  margin: 0 0 1.1rem;
}
a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
a:hover {
  color: var(--gold-bright);
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.on-paper {
  --focus: var(--ink-dark);
}
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.block {
  display: block;
}
.mono {
  font-family: var(--font-type);
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}
address {
  font-style: normal;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  background: var(--gold);
  color: var(--ink-dark);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  border: 2px solid var(--ink-dark);
}
.skip-link:focus {
  top: 1rem;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--bg-2);
  border-bottom: 3px solid var(--gold);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding-block: 0.75rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover {
  color: var(--ink);
}
.seal {
  color: var(--gold);
  flex: none;
}
.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0.7rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid transparent;
}
.nav-link:hover {
  color: var(--gold-bright);
  border-bottom-color: var(--line);
}
.nav-link[aria-current='page'] {
  border-bottom-color: var(--gold);
}
.nav-lang {
  margin-left: 0.25rem;
  border: 2px solid var(--gold);
  color: var(--gold);
}
.nav-lang:hover {
  background: var(--gold);
  color: var(--ink-dark);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.4rem;
  font: 600 1rem/1.2 var(--font-body);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--gold);
  border-radius: 0;
  transition: transform 0.12s, box-shadow 0.12s;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink-dark);
  border-color: var(--ink-dark);
  box-shadow: 4px 4px 0 var(--gold-deep);
}
.btn-primary:hover {
  background: var(--gold-bright);
  color: var(--ink-dark);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--gold-deep);
}
.btn-primary:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--gold-deep);
}
.btn-ghost {
  background: transparent;
  color: var(--gold);
}
.btn-ghost:hover {
  background: var(--gold);
  color: var(--ink-dark);
}
.on-paper .btn-primary {
  box-shadow: 4px 4px 0 var(--ink-dark);
}
.on-paper .btn-primary:hover {
  box-shadow: 2px 2px 0 var(--ink-dark);
}
.on-paper .btn-primary:active {
  box-shadow: 0 0 0 var(--ink-dark);
}
.on-paper .btn-ghost {
  color: var(--ink-dark);
  border-color: var(--ink-dark);
}
.on-paper .btn-ghost:hover {
  background: var(--ink-dark);
  color: var(--paper);
}
.on-paper a {
  color: var(--gold-deep);
}
.on-paper a:hover {
  color: var(--ink-dark);
}
.on-paper .btn-primary,
.on-paper .btn-primary:hover {
  color: var(--ink-dark);
}

.status {
  margin: 0.6rem 0 0;
  font-weight: 600;
  font-size: 0.95rem;
}
.status:empty {
  margin: 0;
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2.5rem, 6vw, 4rem);
  background-image: repeating-radial-gradient(circle at 96% 4%, transparent 0 46px, rgba(197, 160, 89, 0.08) 46px 48px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}
.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.4rem, 1.4rem + 5vw, 4.75rem);
  line-height: 1.04;
  color: var(--ink);
}
.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  max-width: 34rem;
}
.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 1rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  border: 2px solid var(--line);
}
.chip:hover {
  color: var(--ink-dark);
  background: var(--gold);
  border-color: var(--gold);
}

/* The memorable element: a literal archive index card used as the search form. */
.search-card {
  position: relative;
  background: var(--paper);
  color: var(--ink-dark);
  border: 2px solid var(--ink-dark);
  box-shadow: 8px 8px 0 var(--gold-deep);
  padding: 1.5rem 1.25rem 3.4rem;
}
.search-card::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 1.1rem;
  width: 18px;
  height: 18px;
  margin-left: -9px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: inset 0 3px 0 rgba(0, 0, 0, 0.55);
}
.search-card h2 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.5rem;
  padding-bottom: 0.75rem;
  font-size: clamp(1.25rem, 1rem + 1vw, 1.6rem);
  color: var(--ink-dark);
  border-bottom: 2px solid var(--ink-dark);
}
.search-hint {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}
.fields {
  display: grid;
  gap: 1rem;
}
.field {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.field label {
  display: block;
  margin-bottom: 0.3rem;
  font: 400 0.8125rem/1.3 var(--font-type);
  letter-spacing: 0.02em;
}
.field input,
.field select {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 0.55rem 0.75rem;
  font: 400 1rem/1.4 var(--font-body);
  color: var(--ink-dark);
  background: #fff;
  border: 2px solid var(--ink-dark);
  border-radius: 0;
}
.field input::placeholder {
  color: #6b6862;
  opacity: 1;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

@media (min-width: 36rem) {
  .fields {
    grid-template-columns: 1fr 1fr;
  }
  .field-wide {
    grid-column: 1 / -1;
  }
  .search-card {
    padding-inline: 1.75rem;
  }
}
@media (min-width: 62rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 4rem;
  }
}

/* Timeline ruler: a measuring scale, the "search through history" motif. */
.ruler {
  height: 26px;
  border-bottom: 2px solid var(--gold);
  background-image: repeating-linear-gradient(90deg, var(--gold) 0 2px, transparent 2px 12px),
    repeating-linear-gradient(90deg, var(--gold) 0 2px, transparent 2px 120px);
  background-size: 100% 10px, 100% 22px;
  background-position: left bottom, left bottom;
  background-repeat: no-repeat;
  opacity: 0.85;
}

/* ---------- Services as archive drawers ---------- */
.section {
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}
.drawer {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 3px solid var(--gold);
}
.drawer-item {
  position: relative;
  display: grid;
  gap: 0.75rem 2.5rem;
  padding: 1.75rem 1rem 1.75rem 1.25rem;
  border-bottom: 2px solid var(--line);
}
.drawer-item h3 {
  margin: 0;
  font-size: clamp(1.3rem, 1rem + 1.6vw, 1.9rem);
}
.drawer-item h3 a {
  color: var(--ink);
  text-decoration: none;
}
.drawer-item h3 a::after {
  content: '';
  position: absolute;
  inset: 0;
}
.drawer-item p {
  margin: 0 0 0.5rem;
}
.drawer-more {
  font-weight: 600;
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.drawer-item:hover {
  background: var(--panel);
  box-shadow: inset 6px 0 0 var(--gold);
}
.drawer-item:has(a:focus-visible) {
  outline: 3px solid var(--gold-bright);
  outline-offset: -3px;
}
.drawer-item a:focus-visible {
  outline: none;
}
@media (min-width: 52rem) {
  .drawer-item {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    align-items: baseline;
  }
}

/* ---------- Bands ---------- */
.direct,
.lang-band {
  padding-block: 2rem;
  border-top: 2px solid var(--line);
}
.lang-band {
  background: var(--panel);
}
.direct-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 2rem;
}
.direct h2,
.lang-band h2 {
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
}
.direct p,
.lang-band p {
  margin: 0;
}

/* ---------- Content pages ---------- */
.page {
  padding-block: clamp(1.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 2.5rem);
}
.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.6rem;
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.crumbs li + li::before {
  content: '/';
  margin-right: 0.6rem;
  color: var(--gold-deep);
}
.crumbs a {
  display: inline-block;
  padding-block: 0.6rem;
}
.prose {
  max-width: 42rem;
}
.prose h1,
.page-title {
  margin: 0 0 1.75rem;
  font-size: clamp(1.75rem, 1.1rem + 3.4vw, 3.1rem);
  line-height: 1.1;
}
.prose h1::after,
.page-title::after {
  content: '';
  display: block;
  width: min(13rem, 55%);
  height: 12px;
  margin-top: 1.1rem;
  background-image: repeating-linear-gradient(90deg, var(--gold) 0 2px, transparent 2px 10px);
  background-size: 100% 12px;
  border-bottom: 2px solid var(--gold);
}
.prose h1 + p {
  font-size: 1.25rem;
  line-height: 1.6;
}
.prose h2 {
  margin-top: 2.5rem;
}
.prose ul,
.prose ol {
  margin: 0 0 1.25rem;
  padding-left: 1.4rem;
}
.prose li {
  margin-bottom: 0.4rem;
}
.prose strong {
  color: var(--ink);
}

/* ---------- Inquiry block ---------- */
.cta {
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}
.cta-card {
  display: grid;
  gap: 1.25rem 2rem;
  background: var(--paper);
  color: var(--ink-dark);
  border: 2px solid var(--ink-dark);
  box-shadow: 8px 8px 0 var(--gold-deep);
  padding: clamp(1.25rem, 4vw, 2.25rem);
}
.cta-card h2 {
  color: var(--ink-dark);
  margin-bottom: 0.5rem;
}
.cta-copy p {
  margin: 0;
  max-width: 36rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 0.9rem;
}
.cta-fallback {
  flex-basis: 100%;
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
}
.cta-actions .status {
  flex-basis: 100%;
}
.cta-preview {
  grid-column: 1 / -1;
  border-top: 2px solid var(--ink-dark);
  padding-top: 1rem;
}
.cta-preview summary {
  display: list-item;
  list-style-position: inside;
  min-height: 44px;
  padding-block: 0.6rem;
  font-weight: 600;
  cursor: pointer;
}
.cta-preview pre {
  margin: 0.5rem 0 0;
  padding: 1rem;
  background: #fff;
  border: 2px solid var(--ink-dark);
  font: 400 0.875rem/1.55 var(--font-type);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
@media (min-width: 52rem) {
  .cta-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}

.more {
  padding-block: 1.5rem 0.5rem;
}
.more h2 {
  font-size: 1.25rem;
}
.more-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.more-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 1rem;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border: 2px solid var(--line);
}
.more-list a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-dark);
}

/* ---------- Contact ---------- */
.bcards {
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}
.bcard,
.record {
  background: var(--paper);
  color: var(--ink-dark);
  border: 2px solid var(--ink-dark);
  box-shadow: 6px 6px 0 var(--gold-deep);
  padding: 1.5rem;
}
.bcard {
  border-left: 10px solid var(--gold-deep);
}
.bcard h2,
.record h2 {
  margin: 0 0 1rem;
  font-size: 1.4rem;
  color: var(--ink-dark);
}
.bcard p {
  margin: 0 0 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1rem;
  align-items: baseline;
}
.bcard .k,
.record dt {
  min-width: 4.5rem;
  font: 400 0.8125rem/1.3 var(--font-type);
}
.bcard a {
  overflow-wrap: anywhere;
}
.records {
  display: grid;
  gap: 1.5rem;
}
.record dl {
  display: grid;
  gap: 0.2rem 1.25rem;
  margin: 0;
}
.record dt {
  margin-top: 0.7rem;
}
.record dd {
  margin: 0;
}
@media (min-width: 40rem) {
  .record dl {
    grid-template-columns: max-content 1fr;
  }
  .record dt {
    margin-top: 0;
    padding-top: 0.3rem;
  }
}
@media (min-width: 52rem) {
  .bcards,
  .records {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: clamp(2.5rem, 7vw, 5rem);
  background: var(--bg-2);
  border-top: 3px solid var(--gold);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}
main:has(.lang-band) + .site-footer {
  margin-top: 0;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  padding-block: 2.5rem 1.5rem;
}
.site-footer h2 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  color: var(--ink);
}
.site-footer a {
  color: var(--ink);
}
.site-footer a:hover {
  color: var(--gold-bright);
}
.foot-line {
  margin: 0.6rem 0 0;
}
.foot-people {
  list-style: none;
  margin: 0;
  padding: 0;
}
.foot-people li {
  margin-bottom: 0.9rem;
}
.foot-people .block {
  color: var(--ink);
}
.footer-bottom {
  padding-block: 1.25rem 2rem;
  background: linear-gradient(var(--line), var(--line)) center top / calc(100% - 2 * var(--gutter)) 1px no-repeat;
}
.footer-bottom p {
  margin: 0 0 0.4rem;
}
@media (min-width: 52rem) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Accessibility modes ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .btn {
    transition: none;
  }
}
@media (forced-colors: active) {
  .btn,
  .chip,
  .nav-lang,
  .search-card,
  .cta-card,
  .bcard,
  .record,
  .field input,
  .field select {
    border: 2px solid CanvasText;
  }
  .drawer-item {
    border-bottom: 2px solid CanvasText;
  }
}
@media print {
  body {
    background: #fff;
    color: #000;
  }
  .site-header,
  .cta,
  .ruler,
  .skip-link {
    display: none;
  }
  a {
    color: #000;
  }
}