/* Grosonto — společný styl */

:root {
  --bg: #171514;
  --bg-alt: #201c19;
  --bg-contrast: #ede9e3;
  --text: #e6e1da;
  --text-dim: #9a9088;
  --text-dark: #171514;
  --accent: #f08a24;
  --accent-2: #2f7a6e;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --gap: 128px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

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

/* ---------- mřížka ---------- */

.grid {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

.col-text { grid-column: 4 / span 6; max-width: 68ch; }
.col-list { grid-column: 4 / span 7; }
.col-wide { grid-column: 3 / span 8; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.05;
  margin: 0;
}

h1 { font-size: clamp(2rem, 5.2vw, 3.1rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 28px; }
h3 {
  font-size: 1.2rem;
  line-height: 1.25;
  margin-bottom: 10px;
  margin-top: 44px;
}

p { margin: 0 0 24px; }
p:last-child { margin-bottom: 0; }

.lead { font-size: 1.05rem; color: var(--text-dim); }

.caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
  text-align: center;
  margin: 20px auto 0;
  max-width: 46ch;
}

.section-no {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--accent-2);
  display: block;
  margin-bottom: 18px;
}

ul.plain, ol.plain {
  margin: 0 0 24px;
  padding-left: 1.15em;
}
ul.plain li, ol.plain li { margin-bottom: 12px; }
ul.plain li::marker { color: var(--accent); }
ol.plain li::marker { color: var(--accent-2); font-size: 0.9em; }

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

.site-head {
  padding: 40px 0 0;
}

.site-head .grid { row-gap: 0; }

.nav {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 40px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: none;
}

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--text); border-bottom-color: var(--accent); }
.nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }

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

.hero {
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  padding: 120px 0 96px;
}

.hero .grid { row-gap: 0; }

.hero-inner {
  grid-column: 3 / span 8;
  text-align: center;
}

.hero-inner h1 { margin-bottom: 26px; }

.hero-inner .lead {
  max-width: 60ch;
  margin: 0 auto;
}

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

section { padding: 0; }

.band { padding: var(--gap) 0; }
.band--alt { background: var(--bg-alt); }

.band--contrast {
  background: var(--bg-contrast);
  color: var(--text-dark);
}
.band--contrast h2,
.band--contrast h3 { color: var(--text-dark); }
.band--contrast .caption { color: #57504a; text-align: left; }
.band--contrast .section-no { color: #1f5a52; }
.band--contrast a { color: #a75607; }
.band--contrast ul.plain li::marker { color: #a75607; }

/* ---------- obrázky ---------- */

.figure-main {
  grid-column: 3 / span 8;
  margin: 0;
  padding: 96px 0;
}

.figure-main img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.detail-layout {
  align-items: start;
  row-gap: 48px;
}

.figure-detail {
  grid-column: 2 / span 4;
  margin: 0;
}
.figure-detail img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.figure-detail .caption { margin-top: 14px; }

.detail-text { grid-column: 7 / span 5; }

/* ---------- o projektu ---------- */

.about-body { grid-column: 4 / span 6; max-width: 68ch; }
.about-body > p:first-of-type { font-size: 21px; line-height: 1.65; }

.about-body section { margin-top: 96px; }
.about-body section:first-of-type { margin-top: 64px; }

.rule-dash {
  border: 0;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
  overflow: visible;
}
.rule-dash::before {
  content: "—";
  color: var(--accent-2);
  font-size: 18px;
}

/* ---------- právní stránky ---------- */

.doc-head { padding: 96px 0 0; }
.doc-head .grid { row-gap: 0; }
.doc-head h1 { grid-column: 4 / span 6; }
.doc-head .lead { grid-column: 4 / span 6; max-width: 62ch; margin-top: 24px; }

/* ---------- patička ---------- */

.site-foot {
  background: var(--bg-alt);
  padding: 120px 0 110px;
  margin-top: var(--gap);
}

.foot-inner {
  grid-column: 4 / span 6;
  text-align: center;
}

.foot-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 32px;
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 36px;
  font-size: 13px;
  letter-spacing: 0.14em;
  margin-bottom: 32px;
}
.foot-nav a { color: var(--text-dim); text-decoration: none; }
.foot-nav a:hover { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); }

.foot-mail { margin-bottom: 24px; }

.foot-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 52ch;
  margin: 0 auto;
}

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

@media (max-width: 900px) {
  .col-text, .col-list, .col-wide,
  .hero-inner, .figure-main, .about-body,
  .doc-head h1, .doc-head .lead,
  .figure-detail, .detail-text, .foot-inner {
    grid-column: 1 / -1;
  }
  .figure-main { padding: 72px 0; }
}

@media (max-width: 640px) {
  :root { --gap: 72px; }
  body { font-size: 16px; }
  .grid { padding: 0 20px; column-gap: 16px; }
  .hero { min-height: 0; padding: 84px 0 64px; text-align: left; }
  .hero-inner { text-align: left; }
  .hero-inner .lead { margin: 0; }
  .nav { justify-content: flex-start; gap: 8px 24px; }
  .figure-main { padding: 56px 0; }
  .caption { text-align: left; margin-left: 0; }
  .site-head { padding-top: 28px; }
  .site-foot { padding: 72px 0 72px; }
  .foot-inner { text-align: left; }
  .foot-nav { justify-content: flex-start; gap: 10px 24px; }
  .foot-note { margin: 0; }
  .about-body > p:first-of-type { font-size: 19px; }
  .doc-head { padding-top: 64px; }
}