/* Krorvira — akademická kresba. Základní styl pro všechny stránky. */

:root {
  --bg: #f2e8df;
  --bg-alt: #e6d6c8;
  --dark: #3d2b22;
  --ink: #2a1e18;
  --ink-2: #7a6a5d;
  --ink-3: #6b5a4d;
  --cream: #f2e8df;
  --cream-2: #cdbcae;
  --accent: #a8502f;
  --accent-lt: #c96f49;
  --olive: #6b7a4e;
  --olive-ink: #5c6b41;
  --olive-lt: #9dab7c;
  --step: 84px;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  overflow-x: hidden;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 44px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  text-transform: none;
}

h1 {
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

h2 {
  font-size: clamp(24px, 2.6vw, 31px);
  line-height: 1.22;
  margin: 0 0 16px;
}

h3 {
  font-style: italic;
  font-size: 20px;
  line-height: 1.35;
  margin: 30px 0 8px;
}

p { margin: 0 0 18px; max-width: 68ch; }

.lead-text {
  font-size: 19px;
  line-height: 1.66;
  color: var(--ink-3);
}

.label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--olive-ink);
  margin: 0 0 10px;
}

.caption {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-3);
  margin: 12px 0 0;
  max-width: 46ch;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- příložné (pasovací) kříže ---------- */

.rm {
  position: absolute;
  width: 22px;
  height: 22px;
  pointer-events: none;
}
.rm::before,
.rm::after {
  content: "";
  position: absolute;
  background: var(--accent);
}
.rm::before { left: 0; right: 0; top: 50%; height: 1px; }
.rm::after { top: 0; bottom: 0; left: 50%; width: 1px; }
.rm-olive::before, .rm-olive::after { background: var(--olive); }
.rm-tl { top: -11px; left: -11px; }
.rm-tr { top: -11px; right: -11px; }
.rm-bl { bottom: -11px; left: -11px; }
.rm-br { bottom: -11px; right: -11px; }

/* ---------- hlavička a navigace ---------- */

.site-head {
  padding: 26px 0 18px;
  border-bottom: 1px solid rgba(107, 122, 78, 0.45);
}

.head-in {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 28px;
}

.brand {
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: underline; }

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 14px;
  color: var(--ink-3);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--accent); color: var(--ink); }
.site-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- oddělovače ---------- */

.sep { margin-bottom: 30px; }
.sep span { display: block; height: 2px; }
.sep span:first-child { background: var(--accent); }
.sep span:last-child { background: var(--olive); margin: 6px 0 0 24px; }
.sep-dark span:first-child { background: var(--accent-lt); }
.sep-dark span:last-child { background: var(--olive-lt); }

/* ---------- rytmus sekcí a sloupcová logika ---------- */

.band { padding: var(--step) 0; }
.band-alt { background: var(--bg-alt); }
.band-dark { background: var(--dark); color: var(--cream); }
.band + .band { padding-top: var(--step); }

.s1 { grid-column: 1 / span 7; }
.s2 { grid-column: 2 / span 7; }
.s3 { grid-column: 3 / span 7; }
.s4 { grid-column: 4 / span 7; }

.blk + .blk { margin-top: var(--step); }

.num {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--olive-ink);
  display: block;
  margin-bottom: 8px;
}

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

.hero { padding: 60px 0 var(--step); }
.hero-in { position: relative; padding: 34px 0 8px; }

.hero h1 { grid-column: 1 / span 9; }

.misprint {
  grid-column: 1 / span 9;
  height: 2px;
  width: 58%;
  background: var(--accent);
  margin: -0.42em 0 0 18px;
}

.hero-lead { grid-column: 1 / span 5; margin-top: 40px; }
.hero-lead p { margin-bottom: 14px; }

.topics { grid-column: 9 / span 4; margin-top: 46px; }
.topics ul { list-style: none; margin: 0; padding: 0; }
.topics li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

/* ---------- hlavní obrázek ---------- */

.figure-main { grid-column: 3 / span 8; margin: 0; }
.frame { position: relative; }
.figure-main img,
.figure-detail img {
  display: block;
  width: 100%;
  height: auto;
}
.figure-main figcaption { padding-left: 0; }

/* ---------- seznamy v textu ---------- */

.checks { list-style: none; margin: 8px 0 22px; padding: 0; }
.checks li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  max-width: 62ch;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

ol.steps { margin: 8px 0 22px; padding-left: 22px; }
ol.steps li { margin-bottom: 10px; max-width: 62ch; }
ol.steps li::marker { color: var(--olive-ink); }

/* ---------- kontrastní sekce s detailem ---------- */

.band-dark h2,
.band-dark h3,
.band-dark p { color: var(--cream); }
.band-dark .num { color: var(--olive-lt); }
.band-dark .caption { color: var(--cream-2); }
.band-dark .checks li::before { background: var(--accent-lt); }
.band-dark a { color: var(--cream); }
.band-dark :focus-visible { outline-color: var(--cream); }

.figure-detail { grid-column: 2 / span 4; margin: 0; }
.detail-text { grid-column: 7 / span 6; }

/* ---------- kontakt ---------- */

.contact-box { grid-column: 3 / span 7; }
.mail {
  font-family: var(--serif);
  font-size: 22px;
  display: inline-block;
  margin-top: 4px;
}

/* ---------- O projektu: sloupec s kříži v levém poli ---------- */

.about-body { grid-column: 3 / span 7; position: relative; }
.about-body .blk { position: relative; }
.about-body .blk .rm {
  left: -56px;
  top: 10px;
}

/* ---------- patička ---------- */

.site-foot {
  background: var(--dark);
  color: var(--cream);
  padding: 54px 0 46px;
}
.site-foot .sep { margin-bottom: 34px; }
.foot-a { grid-column: 1 / span 7; }
.foot-b { grid-column: 8 / span 5; }
.foot-name { font-family: var(--serif); font-size: 22px; margin: 0 0 10px; }
.site-foot p { color: var(--cream); max-width: 52ch; }
.site-foot .muted { color: var(--cream-2); font-size: 14px; }
.foot-b ul { list-style: none; margin: 0 0 16px; padding: 0; }
.foot-b li { margin-bottom: 8px; }
.foot-b a, .site-foot a { color: var(--cream); text-decoration: underline; }
.site-foot :focus-visible { outline-color: var(--cream); }

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

@media (max-width: 1000px) {
  .grid { grid-template-columns: repeat(6, 1fr); }
  .hero h1, .misprint, .hero-lead, .topics,
  .figure-main, .figure-detail, .detail-text,
  .contact-box, .about-body,
  .s1, .s2, .s3, .s4,
  .foot-a, .foot-b { grid-column: 1 / -1; }
  .topics { margin-top: 34px; }
  .figure-detail { margin-bottom: 30px; max-width: 460px; }
  .about-body .blk .rm { left: -30px; }
}

@media (max-width: 640px) {
  :root { --step: 50px; }
  body { font-size: 16px; }
  .hero { padding: 34px 0 var(--step); }
  .hero-in { padding: 26px 0 4px; }
  .misprint { width: 72%; margin-left: 10px; }
  .about-body .blk .rm { display: none; }
  .site-nav ul { gap: 6px 16px; }
  .mail { font-size: 19px; word-break: break-word; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

.mt-step { margin-top: var(--step); }