/* Varvila — kaligrafie a iluminace */

:root {
  --bg: #f4ece0;
  --bg-alt: #e8dbc7;
  --bg-dark: #33231a;
  --text: #2a2119;
  --muted: #7d6f5c;
  --on-dark: #f4ece0;
  --accent: #b0512c;
  --accent2: #37596b;
  --pad: 40px;
  --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;
}

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; }

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

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

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

/* --- rhythm --- */
.band { padding: 120px 0; }
.band--tight { padding: 56px 0; }
.band--alt { background: var(--bg-alt); }
.band--dark { background: var(--bg-dark); color: var(--on-dark); }
.band--dark h2, .band--dark h3 { color: var(--on-dark); }
.band--dark .lede, .band--dark p { color: var(--on-dark); }
.band--dark .caption, .band--dark .num { color: #c9b79c; }
.band--dark a { color: #e0a184; }

/* --- typography --- */
h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 24px;
}

h1 {
  font-size: clamp(2.3rem, 6.2vw, 4.6rem);
  letter-spacing: -0.01em;
}

h2 { font-size: clamp(1.55rem, 2.9vw, 2.3rem); margin-bottom: 20px; }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); margin-bottom: 12px; }

p { margin: 0 0 28px; }
p:last-child { margin-bottom: 0; }

.lede { font-size: 22px; line-height: 1.75; }
.caption, .caption p { font-size: 14px; line-height: 1.6; color: var(--muted); }

.num {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 18px;
}

/* --- column helpers --- */
.c5 { grid-column: 1 / span 5; }
.c6 { grid-column: 1 / span 6; }
.c7 { grid-column: 1 / span 7; }
.c9 { grid-column: 1 / span 9; }
.c12 { grid-column: 1 / span 12; }
.c7-right { grid-column: 6 / span 7; }
.c5-right { grid-column: 8 / span 5; }
.c9-right { grid-column: 4 / span 9; }
.c6-mid { grid-column: 3 / span 6; }
.c6-right { grid-column: 7 / span 6; }

/* --- header / nav --- */
.site-head {
  border-bottom: 1px solid rgba(125, 111, 92, 0.35);
  padding: 22px 0;
}
.site-head .inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 32px;
}
.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}
.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 0;
  padding: 0;
}
.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
}

.skip {
  position: absolute;
  left: -9999px;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
}
.skip:focus { left: 16px; top: 12px; z-index: 10; }

/* --- hero --- */
.hero { padding: 96px 0 0; }
.hero-title-block {
  position: relative;
  padding-left: 30px;
  grid-column: 1 / span 11;
}
.hero-title-block::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 4px;
  background: var(--accent);
}
.hero h1 { margin-bottom: 0; }
.hero h1 .l1 { display: block; }
.hero h1 .l2 { display: block; margin-left: 9%; }
.hero h1 .l3 { display: block; margin-left: 18%; }

.hero-intro { grid-column: 1 / span 5; margin-top: 48px; }
.topic-line {
  grid-column: 1 / span 9;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 15px;
  color: var(--muted);
}
.topic-line li::after {
  content: "/";
  color: var(--accent);
  margin-left: 12px;
}
.topic-line li:last-child::after { content: ""; margin: 0; }

/* --- figures --- */
.figure-main {
  grid-column: 5 / span 8;
  margin-top: 72px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-right: calc(-1 * var(--pad));
}
.figure-main .caption {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: normal;
  max-height: 320px;
  margin: 0;
  flex: 0 0 auto;
}
.figure-main img { flex: 1 1 auto; }

.figure-detail { margin: 0; }
.figure-detail .caption { margin-top: 14px; }

/* --- rules --- */
.rule {
  height: 3px;
  background: var(--accent);
  width: 33.333%;
  border: 0;
  margin: 0;
}
.rule--center { margin-left: auto; margin-right: auto; }
.rule--right { margin-left: auto; }
.rule--thin { background: var(--accent2); height: 2px; width: 16%; }

/* --- lists --- */
.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 68px;
  margin-bottom: 22px;
  border-top: 1px solid rgba(125, 111, 92, 0.3);
  padding-top: 14px;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  color: var(--accent);
  line-height: 1.2;
}
.band--dark .steps li { border-top-color: rgba(244, 236, 224, 0.25); }
.band--dark .steps li::before { color: #e0a184; }

.plain { padding-left: 22px; margin: 0 0 28px; }
.plain li { margin-bottom: 12px; }
.plain li::marker { color: var(--accent); }

.terms-list { margin: 0 0 28px; }
.terms-list dt { font-weight: 600; margin-top: 20px; }
.terms-list dd { margin: 4px 0 0; color: var(--text); }

/* --- about --- */
.about-block { margin-bottom: 56px; }
.about-block h2 { grid-column: 1 / span 3; }
.about-block .body { grid-column: 4 / span 6; }

/* --- footer --- */
.site-foot {
  border-top: 3px solid var(--accent);
  padding: 56px 0 72px;
  background: var(--bg-alt);
}
.foot-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 8vw, 4.4rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 32px;
  line-height: 1.1;
}
.foot-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.foot-cols ul { list-style: none; margin: 0; padding: 0; }
.foot-cols li { margin-bottom: 8px; }
.foot-cols a { color: var(--text); }
.foot-note { font-size: 15px; color: var(--muted); }
.foot-note strong { color: var(--text); font-weight: 600; }

/* --- responsive --- */
@media (max-width: 900px) {
  :root { --pad: 24px; --gap: 20px; }
  body { font-size: 17px; line-height: 1.8; }
  .lede { font-size: 20px; }
  .band { padding: 64px 0; }
  .band--tight { padding: 40px 0; }
  .hero { padding: 56px 0 0; }
  .figure-main {
    margin-right: 0;
    margin-top: 44px;
    flex-direction: column;
    gap: 12px;
  }
  .figure-main .caption {
    writing-mode: horizontal-tb;
    transform: none;
    max-height: none;
  }
  .c5, .c6, .c7, .c9, .c12,
  .c7-right, .c5-right, .c9-right, .c6-mid, .c6-right,
  .hero-title-block, .hero-intro, .topic-line, .figure-main {
    grid-column: 1 / span 12;
  }
  .about-block h2, .about-block .body { grid-column: 1 / span 12; }
  .about-block h2 { margin-bottom: 12px; }
  .hero h1 .l2 { margin-left: 6%; }
  .hero h1 .l3 { margin-left: 12%; }
  .rule { width: 55%; }
  .foot-cols { grid-template-columns: 1fr; }
  .steps li { padding-left: 54px; }
  .steps li::before { font-size: 24px; }
}