/* Gronvespudil — společný styl */

:root {
  --bg: #f4f2ed;
  --bg-alt: #e6e3dc;
  --bg-dark: #16151a;
  --text: #16151a;
  --muted: #6d6a63;
  --on-dark: #f4f2ed;
  --accent: #1f3fa8;
  --accent-2: #c0452e;
  --maxw: 1140px;
  --gap: 28px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.9;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.005em;
  margin: 0 0 0.6em;
}

h1 { font-size: 2.35rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1.5em; }

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;
}

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* --- osa --- */
.axis { position: relative; }

.axis::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--accent);
  opacity: 0.35;
  transform: translateX(-0.5px);
}

/* --- hlavička --- */
.site-head {
  border-bottom: 1px solid rgba(22, 21, 26, 0.14);
  padding: 20px 0;
}

.site-head .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}

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

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 0;
}

.site-nav li + li::before {
  content: "·";
  color: var(--accent-2);
  padding: 0 14px;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

/* --- hero --- */
.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero h1 {
  grid-column: 2 / 12;
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-lead {
  grid-column: 4 / 10;
  color: var(--text);
}

.hero-kicker {
  grid-column: 1 / 13;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 24px;
}

.hero-pair {
  margin-top: 24px;
  row-gap: 32px;
  align-items: start;
}

.hero-pair .side-l { grid-column: 2 / 5; }
.hero-pair .side-r { grid-column: 9 / 12; }

.hero-pair p {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
  text-align: center;
}

.hero-pair h2 {
  font-size: 1.05rem;
  margin-bottom: 0.4em;
  color: var(--text);
}

/* --- hlavní obrázek --- */
.figure-main {
  margin: 0 auto;
  max-width: 680px;
  padding: 8px 0 0;
}

.figure-main img { margin: 0 auto; }

figcaption {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  text-align: center;
  margin-top: 14px;
}

figcaption .num {
  color: var(--accent-2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-right: 8px;
}

/* --- sekce --- */
.section { padding: 80px 0; }
.section--tight { padding: 64px 0; }
.section--wide { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }

.section--dark {
  background: var(--bg-dark);
  color: var(--on-dark);
}

.section--dark h2,
.section--dark h3 { color: var(--on-dark); }

.section--dark p { color: #d9d5cd; }

.section--dark a { color: #9db1f0; }

.section--dark figcaption { color: #a5a099; }

.section--dark .num { color: #e0765c; }

.sec-num {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
  text-align: center;
}

.sec-head { text-align: center; }
.sec-head h2 { grid-column: 3 / 11; }

.sec-head .intro {
  grid-column: 4 / 10;
  color: var(--muted);
}

/* symetrická dvojice 4+4 kolem osy */
.pair { row-gap: 40px; margin-top: 16px; }
.pair .col-a { grid-column: 2 / 6; }
.pair .col-b { grid-column: 8 / 12; }

/* asymetrický vyprávěcí blok */
.narrow { grid-column: 1 / 8; }
.narrow-right { grid-column: 6 / 13; }
.centered { grid-column: 4 / 10; }
.mid { grid-column: 3 / 11; }

/* --- oblouk jako oddělovač --- */
.arc {
  grid-column: 5 / 9;
  height: 26px;
  border-top: 1px solid var(--accent);
  border-radius: 200px 200px 0 0;
  opacity: 0.5;
  margin: 0 auto 40px;
  width: 100%;
}

.arc--dark { border-top-color: #7f92d8; opacity: 0.7; }

/* --- seznamy --- */
ul.check, ol.steps {
  padding-left: 0;
  margin: 0 0 1.6em;
}

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: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--accent);
}

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

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

ol.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--accent-2);
}

.section--dark ul.check li::before { background: #9db1f0; }

dl.terms { margin: 0 0 1.5em; }

dl.terms dt {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  margin-top: 22px;
}

dl.terms dd {
  margin: 6px 0 0;
  color: var(--text);
}

/* --- detailní obrázek v kontrastní sekci --- */
.detail-block { align-items: center; row-gap: 40px; }

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

.detail-block .detail-text { grid-column: 7 / 13; }

/* --- karta s kontaktem / poznámkou --- */
.note {
  border-top: 1px solid rgba(31, 63, 168, 0.4);
  padding-top: 20px;
  font-size: 0.98rem;
  color: var(--muted);
}

.lede {
  font-size: 1.1rem;
  color: var(--text);
}

.caption-line {
  font-size: 14px;
  color: var(--muted);
}

/* --- patička --- */
.site-foot {
  background: var(--bg);
  padding: 64px 0 56px;
  text-align: center;
  border-top: 1px solid rgba(22, 21, 26, 0.12);
}

.foot-arc {
  width: 33.333%;
  max-width: 340px;
  height: 26px;
  border-top: 1px solid var(--accent-2);
  border-radius: 200px 200px 0 0;
  margin: 0 auto 32px;
  opacity: 0.6;
}

.foot-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.foot-nav ul {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 0;
}

.foot-nav li + li::before {
  content: "·";
  color: var(--accent-2);
  padding: 0 14px;
}

.foot-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
}

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

.foot-mail { margin-bottom: 10px; }

.foot-about {
  font-size: 14px;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 auto;
}

/* --- stránkové hlavičky (about/privacy/terms) --- */
.page-head {
  padding: 72px 0 48px;
  text-align: center;
}

.page-head h1 { grid-column: 3 / 11; }
.page-head .intro { grid-column: 4 / 10; color: var(--muted); }

.doc .mid h2 { margin-top: 8px; }

/* --- responzivita --- */
@media (max-width: 900px) {
  body { font-size: 17px; line-height: 1.85; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero { padding: 56px 0 48px; }
  .section, .section--tight, .section--wide { padding: 56px 0; }

  .hero h1,
  .hero-lead,
  .sec-head h2,
  .sec-head .intro,
  .page-head h1,
  .page-head .intro,
  .centered,
  .mid,
  .narrow,
  .narrow-right { grid-column: 1 / 13; }

  .hero-pair .side-l,
  .hero-pair .side-r { grid-column: 1 / 13; }

  .pair .col-a, .pair .col-b { grid-column: 1 / 13; }

  .detail-block .figure-detail,
  .detail-block .detail-text { grid-column: 1 / 13; }

  .arc { grid-column: 1 / 13; max-width: 260px; }

  .axis::before { display: none; }
}

@media (max-width: 560px) {
  body { font-size: 16.5px; }
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.35rem; }

  .wrap { padding: 0 18px; }
  .hero { padding: 44px 0 40px; }
  .section, .section--tight, .section--wide { padding: 44px 0; }
  .site-foot { padding: 48px 0 44px; }

  .site-nav li + li::before,
  .foot-nav li + li::before { padding: 0 9px; }

  .foot-arc { width: 60%; }
}