/* Melvurdapeo — book-spine: slonovina, kaštan, jantarový lak */

:root {
  --papir: #f6f0e6;
  --papir-tmavsi: #eadcc6;
  --kastan: #4a2b1b;
  --text: #2c1f15;
  --text-vedlejsi: #7c6a55;
  --akcent: #a9631d;
  --akcent-druhy: #2a3f63;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --rytmus: 76px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--papir);
  color: var(--text);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

a:hover { text-decoration-thickness: 2px; }

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

/* ---------- mřížka ---------- */

.mriz {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 26px;
}

.rubrika {
  grid-column: 1 / 3;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-vedlejsi);
  padding-top: 6px;
}

.rubrika .cislo {
  display: block;
  color: var(--akcent-druhy);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.rubrika::after {
  content: "";
  display: block;
  height: 1px;
  background: rgba(124, 106, 85, 0.45);
  margin-top: 10px;
}

.telo { grid-column: 3 / 9; }
.telo-siroke { grid-column: 3 / 11; }

/* ---------- hlavička ---------- */

.hlavicka {
  border-bottom: 1px solid rgba(124, 106, 85, 0.4);
  background: var(--papir);
}

.hlavicka-vnitrek {
  padding-top: 22px;
  padding-bottom: 20px;
  align-items: baseline;
  row-gap: 14px;
}

.znacka {
  grid-column: 1 / 5;
  font-size: 21px;
  letter-spacing: 0.06em;
  font-weight: 400;
  margin: 0;
}

.znacka a { color: var(--text); text-decoration: none; }
.znacka a:hover { color: var(--akcent); }

.hlavni-navigace {
  grid-column: 5 / 13;
  justify-self: end;
}

.hlavni-navigace ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.hlavni-navigace a {
  color: var(--text-vedlejsi);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
}

.hlavni-navigace a:hover,
.hlavni-navigace a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--akcent);
}

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

.hero { padding: calc(var(--rytmus) - 10px) 0 var(--rytmus); }

.hreben {
  grid-column: 1 / 2;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding-top: 16px;
}

.hreben span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--akcent);
  opacity: 0.85;
}

.hreben span:nth-child(3n) { width: 14px; background: var(--akcent-druhy); }

.hero-text { grid-column: 2 / 11; }

h1 {
  font-size: 52px;
  line-height: 1.12;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.005em;
}

h1 .radek { display: block; }
h1 .radek-dva { padding-left: 0.06em; color: var(--kastan); }

.dvojlinka {
  margin: 26px 0 24px;
  border: 0;
  border-top: 1px solid var(--text);
  border-bottom: 1px solid rgba(124, 106, 85, 0.5);
  height: 4px;
  max-width: 460px;
}

.perex {
  font-size: 21px;
  line-height: 1.6;
  color: var(--text);
  max-width: 44em;
  margin: 0;
}

.hero-doplnek {
  grid-column: 2 / 9;
  margin-top: 22px;
  font-size: 16px;
  color: var(--text-vedlejsi);
}

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

.sekce { padding: var(--rytmus) 0; }
.sekce-strida { background: var(--papir-tmavsi); }

.sekce-kontrast {
  background: var(--kastan);
  color: var(--papir);
}

.sekce-kontrast .rubrika { color: rgba(246, 240, 230, 0.72); }
.sekce-kontrast .rubrika .cislo { color: #b9c6de; }
.sekce-kontrast .rubrika::after { background: rgba(246, 240, 230, 0.3); }
.sekce-kontrast h2 { color: var(--papir); }
.sekce-kontrast a { color: #e0a765; }
.sekce-kontrast .popiska { color: rgba(246, 240, 230, 0.7); }
.sekce-kontrast .vypis li::marker { color: #e0a765; }
.sekce-kontrast .vypis li { border-bottom-color: rgba(246, 240, 230, 0.22); }

h2 {
  font-size: 30px;
  line-height: 1.25;
  font-weight: 400;
  margin: 0 0 18px;
}

h3 {
  font-style: italic;
  font-size: 21px;
  font-weight: 400;
  margin: 32px 0 10px;
}

p { margin: 0 0 20px; }
p + p { text-indent: 1.4em; }

.uvodni {
  font-size: 20px;
  color: var(--text);
}

.popiska {
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--text-vedlejsi);
}

/* seznamy */

.vypis {
  list-style: none;
  margin: 6px 0 24px;
  padding: 0;
}

.vypis li {
  position: relative;
  padding: 9px 0 9px 22px;
  border-bottom: 1px solid rgba(124, 106, 85, 0.3);
}

.vypis li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 11px;
  height: 2px;
  background: var(--akcent);
}

ol.vypis { counter-reset: krok; }

ol.vypis li { padding-left: 34px; }

ol.vypis li::before {
  counter-increment: krok;
  content: counter(krok, decimal-leading-zero);
  background: none;
  top: 9px;
  width: auto;
  height: auto;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--akcent-druhy);
}

/* oddělovač */

.oddelovac {
  grid-column: 3 / 9;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 8px 0 4px;
}

.oddelovac span {
  width: 18px;
  height: 2px;
  background: var(--akcent);
  opacity: 0.8;
}

/* schéma řezu */

.schema-blok { grid-column: 2 / 7; }

.schema {
  margin: 0;
  border: 1px solid rgba(246, 240, 230, 0.35);
  padding: 22px 20px 18px;
  background: rgba(246, 240, 230, 0.05);
}

.schema-vrstvy {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.schema-vrstvy li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 0;
}

.schema-vrstvy .pruh {
  flex: 0 0 auto;
  height: 8px;
  background: #e0a765;
  border-radius: 1px;
}

.schema-vrstvy li:nth-child(1) .pruh { width: 118px; opacity: 1; }
.schema-vrstvy li:nth-child(2) .pruh { width: 100px; opacity: 0.85; }
.schema-vrstvy li:nth-child(3) .pruh { width: 84px; opacity: 0.7; }
.schema-vrstvy li:nth-child(4) .pruh { width: 130px; opacity: 0.55; }
.schema-vrstvy li:nth-child(5) .pruh { width: 66px; opacity: 0.4; }

.schema-text { grid-column: 7 / 12; }

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

.kontakt-adresa {
  font-style: normal;
  font-size: 19px;
}

/* ---------- patička ---------- */

.paticka {
  background: var(--papir-tmavsi);
  border-top: 1px solid rgba(124, 106, 85, 0.45);
  padding: 54px 26px 46px;
  text-align: center;
}

.paticka-vnitrek {
  max-width: 700px;
  margin: 0 auto;
}

.paticka-nazev {
  font-size: 20px;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
}

.paticka nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 0 20px;
  padding: 0;
  font-family: var(--sans);
  font-size: 13px;
}

.paticka nav li + li {
  border-left: 1px solid rgba(124, 106, 85, 0.55);
}

.paticka nav a {
  display: inline-block;
  padding: 2px 14px;
  color: var(--text-vedlejsi);
  text-decoration: none;
}

.paticka nav a:hover { color: var(--akcent); }

.paticka-email { margin: 0 0 14px; font-size: 17px; }

.paticka-poznamka {
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-vedlejsi);
  margin: 0;
}

/* ---------- textové stránky ---------- */

.stranka { padding: calc(var(--rytmus) - 16px) 0 var(--rytmus); }

.stranka h1 { font-size: 42px; }

.stranka .telo h2 {
  font-size: 25px;
  margin-top: 40px;
}

.bukvice::first-letter {
  float: left;
  font-size: 62px;
  line-height: 0.82;
  padding: 6px 10px 0 0;
  color: var(--akcent);
}

.stranka p + p { text-indent: 1.4em; }

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

@media (max-width: 900px) {
  .znacka { grid-column: 1 / 13; }
  .hlavni-navigace { grid-column: 1 / 13; justify-self: start; }
  .hero-text, .hero-doplnek { grid-column: 2 / 13; }
  .telo, .telo-siroke, .oddelovac { grid-column: 1 / 13; }
  .schema-blok, .schema-text { grid-column: 1 / 13; }
  .schema-text { margin-top: 26px; }
  .rubrika { grid-column: 1 / 13; margin-bottom: 24px; }
  h1 { font-size: 40px; }
}

@media (max-width: 620px) {
  :root { --rytmus: 46px; }
  body { font-size: 17px; }
  .mriz { padding: 0 18px; column-gap: 0; }
  .hreben {
    grid-column: 1 / 13;
    flex-direction: row;
    gap: 9px;
    padding-top: 0;
    margin-bottom: 20px;
  }
  .hreben span { width: 2px; height: 22px; }
  .hreben span:nth-child(3n) { height: 12px; width: 2px; align-self: flex-end; }
  .hero-text, .hero-doplnek { grid-column: 1 / 13; }
  h1 { font-size: 31px; }
  .stranka h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .perex { font-size: 18px; }
  .uvodni { font-size: 18px; }
  .paticka { padding: 40px 18px 36px; }
  .paticka nav li + li { border-left: 0; }
}