/* Vestrandio — společný styl pro všechny stránky */

:root {
  --cream: #f6f0e2;
  --paper: #fbf7ec;
  --aub: #3a2036;
  --aub-soft: #63455d;
  --must: #c9992f;
  --must-pale: #ecd79e;
  --green: #2f5641;
  --rule: #d8cdb6;

  --serif: Georgia, "Iowan Old Style", "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --gap: clamp(1.25rem, 4vw, 2.75rem);
  --band: clamp(2.75rem, 7vw, 6rem);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--aub);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--aub); text-decoration: underline; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
a:hover { color: var(--green); }
a:focus-visible,
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.shell { width: min(100% - 2.5rem, 1180px); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--aub); color: var(--paper);
  padding: 0.6rem 1rem; z-index: 20;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- hlavička ---------- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.4rem 1.1rem;
  border-bottom: 1px solid var(--rule);
}

.brand {
  font-family: var(--serif);
  font-size: 1.32rem;
  letter-spacing: 0.16em;
  text-decoration: none;
  color: var(--aub);
}

.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.35rem;
  margin: 0;
  padding: 0;
}
.nav a {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--aub-soft);
  padding-block: 0.15rem;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--aub); border-bottom-color: var(--must); }
.nav a[aria-current="page"] { color: var(--aub); border-bottom-color: var(--green); }

/* ---------- typografie ---------- */

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0; }

h1 {
  font-size: clamp(2.5rem, 1.4rem + 5.6vw, 5.4rem);
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.7rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.15rem, 1rem + 0.5vw, 1.4rem);
  margin-bottom: 0.5rem;
}

p { margin: 0 0 1.1em; max-width: 68ch; }

.lede {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  line-height: 1.5;
}

/* ---------- hero ---------- */

.hero { position: relative; padding-block: clamp(2.5rem, 6vw, 5rem) var(--band); }

.hero__planes { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.plane { position: absolute; }
.plane--must { top: 0; right: 6%; width: min(38vw, 300px); height: min(30vw, 220px); background: var(--must-pale); }
.plane--aub { top: 34%; left: -8%; width: min(46vw, 340px); height: 12px; background: var(--aub); }
.plane--green { bottom: 8%; right: 2%; width: 10px; height: min(34vw, 230px); background: var(--green); }

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0 var(--gap);
  align-items: start;
}

.hero__figure { grid-column: 8 / 13; margin: 0; }
.hero__figure img { width: 100%; border: 1px solid var(--rule); }

.hero__title { grid-column: 1 / 9; margin-top: clamp(1.5rem, 5vw, 4.5rem); }
.hero__kicker {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--green);
  margin: 0 0 1.2rem;
  letter-spacing: 0.02em;
}

.hero__intro {
  grid-column: 7 / 12;
  margin-top: clamp(1.75rem, 4vw, 3rem);
  padding-left: 1.4rem;
  border-left: 3px solid var(--must);
}
.hero__intro p { margin-bottom: 0.8em; max-width: 42ch; }
.hero__intro p:last-child { margin-bottom: 0; }

/* ---------- sekce ---------- */

.band { padding-block: var(--band); }
.band + .band { padding-top: 0; }
.band--rule { border-top: 1px solid var(--rule); padding-top: var(--band); }

.band__edge { margin-left: clamp(0px, 6vw, 118px); max-width: 64ch; }
.band__narrow { max-width: 56ch; margin-inline: auto; }
.band__full { max-width: 78ch; }

.section-head { margin-bottom: 1.6rem; }

/* obsah / rozcestník kapitol */

.toc {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: var(--gap);
  max-width: 60ch;
}
.toc li {
  break-inside: avoid;
  padding-block: 0.42rem;
  border-bottom: 1px solid var(--rule);
}
.toc a { text-decoration: none; display: flex; gap: 0.8rem; font-size: 0.98rem; }
.toc a:hover { color: var(--green); }
.toc span { color: var(--must); font-family: var(--serif); min-width: 1.6rem; }

/* kapitoly */

.chapters { display: grid; gap: clamp(2.75rem, 6vw, 5rem); }

.chapter {
  display: grid;
  grid-template-columns: 8rem minmax(0, 64ch);
  gap: 0 var(--gap);
}
.chapter__num {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 0.9;
  color: var(--must);
  padding-top: 0.35rem;
}
.chapter__body > *:last-child { margin-bottom: 0; }

.chapter--indent { margin-left: clamp(0px, 8vw, 160px); }

.chapter--narrow { grid-template-columns: 3.5rem minmax(0, 52ch); justify-content: center; }
.chapter--narrow .chapter__num { font-size: clamp(2rem, 3vw, 2.6rem); }

.chapter--right { grid-template-columns: minmax(0, 60ch) 5rem; justify-content: end; }
.chapter--right .chapter__num { grid-column: 2; grid-row: 1; text-align: right; }
.chapter--right .chapter__body { grid-column: 1; grid-row: 1; }
.chapter--right h2 { text-align: right; }

/* seznamy */

.list { list-style: none; margin: 0 0 1.2em; padding: 0; max-width: 62ch; }
.list li { position: relative; padding-left: 1.5rem; margin-bottom: 0.55rem; }
.list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 8px; height: 8px;
  background: var(--green);
}

.checklist { list-style: none; margin: 1.4rem 0 0; padding: 0; max-width: 64ch; }
.checklist li {
  padding: 0.7rem 0 0.7rem 2.3rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.95em;
  width: 14px; height: 14px;
  border: 2px solid var(--must);
}

/* detailní obrázek */

.detail {
  margin: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: clamp(0px, 5vw, 90px);
}
.detail img { width: 100%; border: 1px solid var(--rule); }
.detail figcaption {
  font-size: 0.86rem;
  color: var(--aub-soft);
  margin-top: 0.7rem;
  max-width: 34ch;
}

/* poznámkový blok bez karty */

.note {
  border-top: 3px solid var(--aub);
  padding-top: 1.1rem;
  max-width: 52ch;
}

.facts { margin: 0; max-width: 40ch; }
.facts dt { font-size: 0.82rem; color: var(--green); margin-top: 0.9rem; }
.facts dd { margin: 0.15rem 0 0; }

.poster-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  gap: var(--gap);
  align-items: end;
  padding-block: clamp(2rem, 5vw, 4rem) var(--band);
}
.poster-head h1 { max-width: 14ch; }

/* ---------- patička ---------- */

.footer {
  border-top: 1px solid var(--rule);
  margin-top: var(--band);
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 2.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}
.footer__mark {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 7vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--aub);
  margin: 0;
}
.footer__contact { margin-top: clamp(1.5rem, 4vw, 3.2rem); font-size: 0.95rem; }
.footer__contact p { margin-bottom: 0.4em; }
.footer__nav { padding-top: 0.6rem; }
.footer__nav ul { list-style: none; margin: 0; padding: 0; }
.footer__nav li { padding-block: 0.3rem; }
.footer__nav a { font-size: 0.92rem; text-decoration: none; color: var(--aub-soft); }
.footer__nav a:hover { color: var(--aub); text-decoration: underline; }
.footer__legal {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  font-size: 0.82rem;
  color: var(--aub-soft);
}

/* ---------- responzivita ---------- */

@media (max-width: 900px) {
  .hero__figure { grid-column: 5 / 13; }
  .hero__title { grid-column: 1 / 13; }
  .hero__intro { grid-column: 1 / 13; }
  .chapter--indent { margin-left: 0; }
  .chapter--right { grid-template-columns: 5rem minmax(0, 60ch); justify-content: start; }
  .chapter--right .chapter__num { grid-column: 1; text-align: left; }
  .chapter--right .chapter__body { grid-column: 2; }
  .chapter--right h2 { text-align: left; }
  .detail { margin-right: 0; }
  .poster-head { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 620px) {
  .hero__figure { grid-column: 1 / 13; }
  .chapter,
  .chapter--narrow,
  .chapter--right { grid-template-columns: 1fr; gap: 0.4rem; }
  .chapter__num { padding-top: 0; }
  .toc { columns: 1; }
  .band__edge { margin-left: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .plane--must { width: 46vw; height: 34vw; }
}

@media print {
  .nav, .hero__planes { display: none; }
}