/* Brentapato — rytí do skla. Společný styl pro všechny stránky. */

:root {
  --bg: #f2e8df;
  --bg-alt: #e6d6c8;
  --dark: #3d2b22;
  --ink: #2a1e18;
  --ink-soft: #7a6a5d;
  --paper: #f2e8df;
  --accent: #a8502f;
  --olive: #6b7a4e;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --rhythm: 76px;
  --gap: 24px;
}

* { box-sizing: border-box; }

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

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

/* ---------- mřížka ---------- */

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.col-text { grid-column: 2 / 8; }
.col-wide { grid-column: 2 / 10; }
.col-full { grid-column: 1 / -1; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  margin: 0;
}

h1 {
  font-size: clamp(2.35rem, 5.4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 1.95rem);
  line-height: 1.15;
  margin: 0 0 18px;
}

h3 {
  font-size: 1.18rem;
  line-height: 1.25;
  margin: 34px 0 10px;
}

p { margin: 0 0 20px; }

.lead {
  font-size: 20px;
  line-height: 1.65;
  color: var(--ink);
}

.note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

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;
}

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

ul { list-style: none; }

ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
}

ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 12px;
  height: 2px;
  background: var(--accent);
}

ol { padding-left: 26px; }
ol li { margin-bottom: 10px; }
ol li::marker { color: var(--olive); font-family: var(--serif); }

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

.masthead {
  border-bottom: 1px solid rgba(42, 30, 24, 0.18);
  padding: 20px 0 18px;
}

.masthead .wrap { row-gap: 10px; align-items: baseline; }

.brand {
  grid-column: 1 / 5;
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.mainnav { grid-column: 5 / -1; }

.mainnav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  justify-content: flex-end;
}

.mainnav li { padding: 0; margin: 0; }
.mainnav li::before { display: none; }

.mainnav a {
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

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

.hero { padding: calc(var(--rhythm) * 0.8) 0 var(--rhythm); }

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

.spine {
  grid-column: 1 / 2;
  grid-row: 1 / span 4;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--accent) 0 2px,
    transparent 2px 16px
  );
  background-size: 22px 100%;
  background-repeat: no-repeat;
  background-position: left top;
  border-left: 1px solid rgba(168, 80, 47, 0.45);
  min-height: 100%;
}

.hero h1 { grid-column: 2 / 11; grid-row: 1; }

.rule-double {
  grid-column: 2 / 11;
  grid-row: 2;
  margin: 26px 0 24px;
  height: 4px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid rgba(42, 30, 24, 0.35);
}

.hero-lead { grid-column: 2 / 9; grid-row: 3; }

.figure-main {
  grid-column: 7 / 13;
  grid-row: 4;
  margin: 18px 0 0;
}

figure { margin: 0; }

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

figcaption {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 10px;
  text-align: left;
}

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

.sec { padding: var(--rhythm) 0; }
.sec .wrap { row-gap: 0; }
.sec--alt { background: var(--bg-alt); }

.sec-head {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding-bottom: 8px;
  margin-bottom: 34px;
  border-bottom: 1px solid rgba(42, 30, 24, 0.25);
}

.sec-num {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--olive);
  font-family: var(--serif);
}

.sec-label {
  font-size: 13px;
  color: var(--ink-soft);
}

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

.sec--dark {
  background: var(--dark);
  color: var(--paper);
}

.sec--dark h2,
.sec--dark h3 { color: var(--paper); }

.sec--dark .sec-head { border-bottom-color: rgba(242, 232, 223, 0.3); }
.sec--dark .sec-label { color: rgba(242, 232, 223, 0.72); }
.sec--dark .sec-num { color: #a9b585; }
.sec--dark figcaption { color: rgba(242, 232, 223, 0.7); }
.sec--dark ul li::before { background: #c9713f; }
.sec--dark a { color: #e0a184; }

.figure-detail {
  grid-column: 2 / 6;
  margin-bottom: 0;
}

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

/* ---------- typografický oddělovač ---------- */

.stitch {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 44px 0;
}

.stitch span {
  width: 16px;
  height: 2px;
  background: var(--accent);
}

.sec--dark .stitch span { background: #c9713f; }

/* ---------- buřičná iniciála na stránce O projektu ---------- */

.dropcap::first-letter {
  float: left;
  font-family: var(--serif);
  font-size: 4.1rem;
  line-height: 0.82;
  padding: 6px 12px 0 0;
  color: var(--accent);
}

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

.contact-line {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-bottom: 6px;
}

/* ---------- patička ---------- */

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid rgba(42, 30, 24, 0.2);
  padding: 54px 0 46px;
  text-align: center;
}

.site-footer .wrap { display: block; }

.footer-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer-nav ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav li {
  padding: 0 14px;
  margin: 4px 0;
  border-right: 1px solid rgba(42, 30, 24, 0.28);
}

.footer-nav li::before { display: none; }
.footer-nav li:last-child { border-right: 0; }

.footer-nav a {
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

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

.footer-note {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 auto;
}

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

@media (max-width: 900px) {
  :root { --rhythm: 46px; --gap: 18px; }

  .wrap { grid-template-columns: 1fr; padding: 0 18px; }

  .brand, .mainnav,
  .col-text, .col-wide, .col-full,
  .hero h1, .rule-double, .hero-lead,
  .figure-main, .figure-detail, .dark-text,
  .sec-head, .stitch { grid-column: 1 / -1; grid-row: auto; }

  .mainnav ul { justify-content: flex-start; }

  .spine {
    grid-column: 1 / -1;
    grid-row: auto;
    height: 14px;
    min-height: 0;
    margin-bottom: 22px;
    border-left: 0;
    border-top: 1px solid rgba(168, 80, 47, 0.45);
    background-image: repeating-linear-gradient(
      to right,
      var(--accent) 0 2px,
      transparent 2px 16px
    );
    background-size: 100% 100%;
  }

  .figure-main { margin-top: 26px; }
  .lead { font-size: 18px; }
  .stitch { margin: 32px 0; }
  .dark-text { margin-top: 26px; }
}

@media (max-width: 520px) {
  body { font-size: 16.5px; }
  .footer-nav li { border-right: 0; }
}