/* Dibrave — canvas-field: slonovina, kaštan, jantarový lak */

:root {
  --bg: #f6f0e6;
  --bg-alt: #eadcc6;
  --bg-dark: #4a2b1b;
  --ink: #2c1f15;
  --ink-soft: #7c6a55;
  --ink-inv: #f6f0e6;
  --accent: #a9631d;
  --accent2: #2a3f63;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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(--serif);
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0 28px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

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

h1, h2, h3 { font-weight: normal; margin: 0; }

h1 {
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 34px;
}

h2 {
  font-size: 30px;
  line-height: 1.22;
  margin-bottom: 20px;
}

h3 {
  font-style: italic;
  font-size: 22px;
  line-height: 1.3;
  margin-bottom: 12px;
}

p { margin: 0 0 22px; text-indent: 0; }
p + p { text-indent: 1.6em; margin-top: -8px; }

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

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

strong { font-weight: bold; }

.lead { font-size: 21px; line-height: 1.55; }

.note {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
}

.secnum {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent2);
  display: block;
  margin-bottom: 10px;
}

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

.rule { height: 3px; background: var(--accent); border: 0; margin: 0 0 26px; }
.rule--s { grid-column: 1 / span 2; }
.rule--m { grid-column: 1 / span 3; }
.rule--l { grid-column: 1 / span 5; }
.rule--alt { background: var(--accent2); }
.rule--r { grid-column: 8 / span 4; }

/* ---------- hlavička ---------- */

.site-head {
  padding: 26px 0 0;
}

.site-head .grid { align-items: baseline; }

.brand {
  grid-column: 1 / span 4;
  font-size: 21px;
  letter-spacing: 0.05em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover { color: var(--accent); }

.site-nav {
  grid-column: 6 / span 7;
  justify-self: end;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
}

.site-nav a {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

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

.hero { padding: 84px 0 0; }

.hero h1 { grid-column: 1 / span 7; }

.hero-mark {
  grid-column: 11 / span 1;
  grid-row: 1;
  width: 14px;
  height: 128px;
  background: var(--accent2);
  align-self: start;
  margin-top: 8px;
}

.hero-intro { grid-column: 1 / span 5; }

.hero-meta {
  grid-column: 8 / span 5;
  align-self: end;
  padding-bottom: 4px;
}

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

.band { padding: 112px 0; }
.band--tight { padding: 64px 0; }
.band--alt { background: var(--bg-alt); }

.band--dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
}

.band--dark h2,
.band--dark h3 { color: var(--ink-inv); }
.band--dark .note { color: #d7c6ac; }
.band--dark .secnum { color: #c9a97c; }
.band--dark a { color: #e0a15c; }
.band--dark .rule { background: #e0a15c; }

.block + .block { margin-top: 64px; }

.col-6 { grid-column: 1 / span 6; }
.col-6r { grid-column: 6 / span 6; }
.col-7 { grid-column: 1 / span 7; }
.col-5r { grid-column: 7 / span 5; }
.col-5 { grid-column: 1 / span 5; }
.col-8 { grid-column: 2 / span 8; }

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

.figure-main {
  grid-column: 1 / span 8;
  margin: 0 0 0 -60px;
}

@media (max-width: 1180px) {
  .figure-main { margin-left: -24px; }
}

.figure-main img,
.figure-detail img {
  display: block;
  width: 100%;
  height: auto;
}

.figure-main figcaption {
  text-align: right;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
}

.figure-detail {
  grid-column: 8 / span 5;
  margin: 0;
}

.figure-detail figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: #d7c6ac;
}

.detail-text { grid-column: 1 / span 6; }

/* ---------- seznamy ---------- */

ul.check, ol.steps {
  padding-left: 0;
  margin: 0 0 22px;
}

ul.check { list-style: none; }

ul.check li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
}

ul.check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 12px;
  height: 3px;
  background: var(--accent);
}

.band--dark ul.check li::before { background: #e0a15c; }

ol.steps {
  list-style: none;
  counter-reset: st;
}

ol.steps li {
  counter-increment: st;
  position: relative;
  padding-left: 42px;
  margin-bottom: 16px;
}

ol.steps li::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent2);
}

.band--dark ol.steps li::before { color: #c9a97c; }

dl { margin: 0 0 22px; }
dt { font-style: italic; margin-top: 18px; }
dd { margin: 4px 0 0; }

/* ---------- O projektu ---------- */

.about-body {
  grid-column: 3 / span 6;
}

.about-marks {
  grid-column: 1 / span 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 132px;
  padding-top: 12px;
}

.about-marks span {
  display: block;
  width: 100%;
  height: 6px;
  background: var(--accent);
}

.about-marks span:nth-child(2) { background: var(--accent2); width: 60%; }
.about-marks span:nth-child(3) { background: var(--accent); width: 80%; }

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

.contact-box { grid-column: 1 / span 6; }

/* ---------- patička ---------- */

.site-foot {
  background: var(--bg-alt);
  padding: 56px 0 64px;
  margin-top: 0;
}

.foot-rule {
  grid-column: 1 / span 4;
  height: 6px;
  background: var(--accent);
  margin-bottom: 30px;
}

.foot-name {
  grid-column: 1 / span 6;
  font-size: 34px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.foot-nav { grid-column: 1 / span 7; }

.foot-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0 0 18px;
  padding: 0;
}

.foot-nav a {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.foot-nav a:hover { color: var(--accent); }

.foot-contact {
  grid-column: 9 / span 4;
  grid-row: 2 / span 2;
  justify-self: end;
  text-align: right;
}

.foot-legal {
  grid-column: 1 / span 12;
  margin-top: 30px;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
}

/* ---------- vnitřní stránky ---------- */

.page-head { padding: 72px 0 0; }
.page-head h1 { grid-column: 1 / span 8; font-size: 46px; }
.page-head .lead { grid-column: 1 / span 6; }

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

@media (max-width: 960px) {
  h1 { font-size: 44px; }
  .page-head h1 { font-size: 36px; }
  h2 { font-size: 26px; }

  .hero h1,
  .hero-intro,
  .hero-meta,
  .col-6, .col-6r, .col-7, .col-5, .col-5r, .col-8,
  .detail-text,
  .contact-box,
  .about-body,
  .page-head h1,
  .page-head .lead { grid-column: 1 / span 12; }

  .hero-mark { grid-column: 1 / span 12; grid-row: auto; width: 96px; height: 10px; margin: 0 0 24px; }
  .hero-meta { margin-top: 32px; }

  .figure-main { grid-column: 1 / span 12; margin-left: 0; }
  .figure-detail { grid-column: 1 / span 12; margin-bottom: 32px; max-width: 460px; }

  .about-marks { grid-column: 1 / span 12; grid-row: auto; flex-direction: row; gap: 12px; padding: 0 0 24px; }
  .about-marks span { width: 56px; }
  .about-marks span:nth-child(2),
  .about-marks span:nth-child(3) { width: 56px; }

  .rule--r { grid-column: 1 / span 4; }

  .brand { grid-column: 1 / span 12; margin-bottom: 14px; }
  .site-nav { grid-column: 1 / span 12; justify-self: start; }

  .foot-name, .foot-nav { grid-column: 1 / span 12; }
  .foot-rule { grid-column: 1 / span 6; }
  .foot-contact { grid-column: 1 / span 12; grid-row: auto; justify-self: start; text-align: left; margin-top: 8px; }
}

@media (max-width: 700px) {
  body { font-size: 17px; }
  h1 { font-size: 34px; }
  .page-head h1 { font-size: 30px; }
  h2 { font-size: 23px; }
  h3 { font-size: 20px; }
  .lead { font-size: 19px; }
  .grid { padding: 0 20px; gap: 0 16px; }
  .band { padding: 64px 0; }
  .band--tight { padding: 40px 0; }
  .block + .block { margin-top: 40px; }
  .hero { padding: 48px 0 0; }
  .foot-name { font-size: 27px; }
  p + p { text-indent: 0; margin-top: 0; }
}