/* Prardelmo — index-column
   Chladná papírová paleta s černou a zelenou */

:root {
  --bg: #f1f2f0;
  --bg-alt: #e3e5e2;
  --dark: #141614;
  --ink: #171917;
  --muted: #6a6e6a;
  --on-dark: #f1f2f0;
  --accent: #2a6b3c;
  --accent2: #8a6a20;
  --rhythm: 84px;
  --rule: rgba(23, 25, 23, 0.22);
  --font: 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(--font);
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---------- mřížka ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.col-main { grid-column: 1 / 8; }
.col-mark { grid-column: 10 / 13; }

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

h1, h2, h3 { margin: 0; }

h1 {
  font-size: clamp(2.5rem, 6.1vw, 4.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.4rem, 2.3vw, 1.85rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-top: 34px;
  margin-bottom: 8px;
}

p { margin: 0 0 20px; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent);
  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(--accent);
  outline-offset: 3px;
}

.lead {
  font-size: 1.16rem;
  line-height: 1.6;
  color: var(--ink);
}

.caption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

/* ---------- hlavička ---------- */

.site-head {
  padding: 26px 0 22px;
}

.site-head .grid {
  align-items: baseline;
  row-gap: 10px;
}

.brand {
  grid-column: 1 / 5;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.005em;
  color: var(--ink);
  text-decoration: none;
}

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

.site-nav {
  grid-column: 5 / 13;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 22px;
  font-size: 14px;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover { border-bottom-color: var(--accent); color: var(--accent); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent2); }

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

.hero {
  padding-top: 40px;
  padding-bottom: var(--rhythm);
}

.hero .grid { row-gap: 30px; }

.hero h1 { grid-column: 1 / 9; grid-row: 1; }
.hero-intro { grid-column: 1 / 7; grid-row: 2; }

.hero-index {
  grid-column: 10 / 13;
  grid-row: 1 / 3;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}

.hero-index h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

.hero-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: idx;
}

.hero-index li {
  counter-increment: idx;
  display: grid;
  grid-template-columns: 26px 1fr;
  padding: 7px 0;
  border-top: 1px solid var(--rule);
}

.hero-index li::before {
  content: counter(idx, decimal-leading-zero);
  color: var(--accent2);
  font-variant-numeric: tabular-nums;
}

.hero-index a { color: var(--ink); text-decoration: none; }
.hero-index a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- obrázek ---------- */

.figure-main {
  margin: 0;
  padding-bottom: var(--rhythm);
}

.figure-main .grid { row-gap: 14px; }

.figure-main img {
  grid-column: 1 / 9;
  width: 100%;
  height: auto;
  display: block;
}

.figure-main figcaption {
  grid-column: 10 / 13;
  align-self: end;
}

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

.band { padding: var(--rhythm) 0; }
.band--alt { background: var(--bg-alt); }
.band--plain { padding-top: 0; }

.section + .section { margin-top: var(--rhythm); }

.section .grid { row-gap: 12px; }

.section-mark {
  grid-column: 10 / 13;
  grid-row: 1;
  font-size: 13px;
  color: var(--accent2);
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
}

.section-mark span { display: block; color: var(--muted); margin-top: 4px; }

.section-head { grid-column: 1 / 8; grid-row: 1; }

.section-body { grid-column: 1 / 8; grid-row: 2; padding-top: 18px; }

.section-head::before {
  content: "";
  display: block;
  height: 1px;
  background: var(--rule);
  margin-bottom: 18px;
}

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

ul.plain, ol.plain { margin: 0 0 20px; padding: 0; list-style: none; max-width: 68ch; }

ul.plain li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
}

ul.plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--accent);
}

ol.plain { counter-reset: step; }

ol.plain li {
  counter-increment: step;
  position: relative;
  padding-left: 32px;
  margin-bottom: 9px;
}

ol.plain li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  color: var(--accent2);
  font-variant-numeric: tabular-nums;
}

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

.band--dark {
  background: var(--dark);
  color: var(--on-dark);
  padding: var(--rhythm) 0;
}

.band--dark h2 { color: var(--on-dark); }
.band--dark a { color: #9ac6a5; }
.band--dark .caption { color: #9ba09b; }
.band--dark .mark { font-size: 13px; color: var(--accent2); display: block; margin-bottom: 10px; }

.band--dark .grid { row-gap: 26px; align-items: start; }

.dark-figure {
  grid-column: 1 / 6;
  margin: 0;
}

.dark-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.dark-figure figcaption { margin-top: 12px; }

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

.band--dark ul.plain li::before { background: #9ac6a5; }

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

.contact-line {
  font-size: 1.1rem;
  font-weight: 700;
}

/* ---------- patička ---------- */

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

.site-foot .grid { row-gap: 18px; }

.foot-name {
  grid-column: 1 / 6;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.foot-index {
  grid-column: 7 / 13;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-size: 14px;
  justify-content: flex-end;
}

.foot-index a { color: var(--ink); text-decoration: none; border-bottom: 1px solid transparent; }
.foot-index a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.foot-rule {
  grid-column: 1 / 13;
  height: 1px;
  background: var(--rule);
}

.foot-mail { grid-column: 1 / 6; font-size: 14px; }
.foot-note { grid-column: 7 / 13; font-size: 13px; color: var(--muted); margin: 0; }

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

.page-head { padding: 40px 0 var(--rhythm); }
.page-head .grid { row-gap: 26px; }
.page-head h1 {
  grid-column: 1 / 10;
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
}
.page-head .lead { grid-column: 1 / 7; }

.page-index {
  grid-column: 10 / 13;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.page-index p { margin: 0 0 10px; padding-top: 7px; border-top: 1px solid var(--rule); }
.page-index p:last-child { margin-bottom: 0; }
.page-index strong { color: var(--ink); font-weight: 700; display: block; }

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

@media (max-width: 1000px) {
  .col-main, .section-head, .section-body,
  .hero h1, .hero-intro, .page-head h1, .page-head .lead { grid-column: 1 / 10; }
  .figure-main img { grid-column: 1 / 11; }
  .figure-main figcaption, .hero-index, .section-mark, .page-index { grid-column: 1 / 11; }
  .dark-figure { grid-column: 1 / 7; }
  .dark-text { grid-column: 1 / 11; }
  .section-mark { grid-row: auto; }
  .section-head { grid-row: auto; }
  .section-body { grid-row: auto; }
  .hero-index { grid-row: auto; order: -1; }
  .foot-name, .foot-mail { grid-column: 1 / 7; }
  .foot-index, .foot-note { grid-column: 7 / 13; }
}

@media (max-width: 720px) {
  :root { --rhythm: 50px; }

  body { font-size: 16.5px; }

  .grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
    column-gap: 0;
  }

  .grid > * { grid-column: 1 !important; }

  .site-head { padding: 20px 0 16px; }
  .site-head .grid { row-gap: 12px; }
  .site-nav { justify-content: flex-start; gap: 4px 18px; }

  .hero { padding-top: 22px; }
  .hero .grid { row-gap: 22px; }

  .hero-index {
    order: -1;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 12px 0;
  }

  .hero-index ol {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
  }

  .hero-index li {
    border-top: 0;
    padding: 0;
    grid-template-columns: 22px auto;
  }

  .page-index { order: -1; }
  .page-index p { display: inline-block; margin-right: 18px; }

  .section-body { padding-top: 12px; }
  .section-mark { padding-top: 0; }
  .section-mark span { display: inline; margin-left: 8px; }

  .dark-figure { max-width: 320px; }

  .foot-index { justify-content: flex-start; }
  .site-foot { padding: 40px 0 48px; }
}