/* Krintave — ruled-margin */

:root {
  --bg: #eef0f2;
  --bg-alt: #dfe3e7;
  --bg-dark: #1b2733;
  --ink: #151a20;
  --ink-soft: #636d78;
  --ink-invert: #eef0f2;
  --accent: #2c4a7c;
  --accent-2: #a35a2a;
  --rule: #c9cfd6;
  --rule-dark: #3a4a5a;
  --lh: 72px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: 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(--sans);
  font-size: 17px;
  line-height: 1.72;
  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: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- grid ---------- */

.sheet {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 28px;
}

.ruled {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

/* left margin field + vertical rule */
.field {
  grid-column: 1 / 4;
  border-right: 1px solid var(--accent);
  padding-right: 20px;
}

.body-col { grid-column: 4 / 10; }
.wide-col { grid-column: 4 / 12; }

.marker {
  font-family: var(--serif);
  font-size: 58px;
  line-height: 1;
  color: var(--accent-2);
  margin: 0;
}

.tag {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
}

.guide {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 22px 0;
}

/* ---------- header / nav ---------- */

.site-head {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}

.site-head .sheet {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 28px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.wordmark {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: .02em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}
.wordmark:hover { color: var(--accent); }

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent-2); }

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

.hero { padding: var(--lh) 0 calc(var(--lh) - 16px); }

.hero .field { display: flex; flex-direction: column; justify-content: flex-start; }
.hero .initial {
  font-family: var(--serif);
  font-size: 118px;
  line-height: .82;
  color: var(--ink);
  margin: 0;
  align-self: flex-end;
}
.hero .field .tag { margin-top: 18px; align-self: flex-end; text-align: right; }

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.1vw, 50px);
  line-height: 1.14;
  letter-spacing: -.005em;
  margin: 0;
  max-width: 22ch;
}

.hero-lead {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-top: 34px;
  padding: 20px 0;
}
.hero-lead p { margin: 0; }
.hero-lead p + p {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

/* ---------- main figure ---------- */

.plate { padding-bottom: var(--lh); }
.plate figure { margin: 0; grid-column: 6 / 13; }
.plate figcaption { grid-column: 1 / 5; }

.caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  border-top: 1px solid var(--accent-2);
  padding-top: 10px;
  margin: 0;
}
.caption b {
  display: block;
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 4px;
}

/* ---------- sections ---------- */

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

.band h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 2.7vw, 33px);
  line-height: 1.22;
  margin: 0;
  max-width: 24ch;
}
.band h2 + .guide { margin-top: 18px; }

h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 21px;
  line-height: 1.35;
  margin: 34px 0 8px;
}

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

.body-col > :first-child { margin-top: 0; }

/* lists */
.list, .steps {
  grid-column: 4 / 12;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
}
.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 12px;
  height: 1px;
  background: var(--accent);
}
.list li b { font-weight: 600; }

.steps { counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 46px;
  margin-bottom: 14px;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent-2);
}

.note {
  grid-column: 4 / 12;
  margin-top: 30px;
  border-left: 2px solid var(--accent-2);
  padding: 4px 0 4px 20px;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ---------- dark band ---------- */

.band--dark {
  background: var(--bg-dark);
  color: var(--ink-invert);
}
.band--dark .field { border-right-color: var(--accent-2); }
.band--dark .marker { color: var(--accent-2); }
.band--dark .tag { color: #9aa6b2; }
.band--dark .guide { border-top-color: var(--rule-dark); }
.band--dark a { color: #b9cbe6; }
.band--dark .caption { color: #9aa6b2; }
.band--dark .list li::before { background: #b9cbe6; }
.band--dark h2 { color: var(--ink-invert); }

.detail-grid {
  grid-column: 1 / 13;
  margin-top: 34px;
  align-items: start;
}
.detail-grid figure {
  grid-column: 4 / 9;
  margin: 0;
}
.detail-grid .detail-text { grid-column: 9 / 13; }
.band--dark .detail-grid figcaption { margin-top: 12px; }

/* ---------- footer ---------- */

.site-foot {
  background: var(--bg-alt);
  border-top: 1px solid var(--rule);
  padding: 44px 0;
}

.site-foot .ruled { row-gap: 22px; }
.foot-field {
  grid-column: 1 / 4;
  border-right: 1px solid var(--accent);
  padding-right: 20px;
}
.foot-name {
  font-family: var(--serif);
  font-size: 24px;
  margin: 0;
}
.foot-main { grid-column: 4 / 10; }
.foot-mail { grid-column: 10 / 13; }

.foot-nav ul {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
}
.foot-nav li + li::before {
  content: "/";
  color: var(--accent-2);
  margin: 0 10px;
}
.foot-nav a {
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}
.foot-nav a:hover { color: var(--accent); }

.foot-note { font-size: 14px; color: var(--ink-soft); margin: 0; }
.foot-mail .tag { margin-bottom: 6px; }
.foot-mail p { margin: 0; font-size: 15px; }

/* ---------- legal / about pages ---------- */

.page-head { padding: calc(var(--lh) - 12px) 0 0; }
.page-head h1 { max-width: 20ch; }
.page-head .field .marker { text-align: right; }

.prose { padding: 34px 0 var(--lh); }
.prose section { margin-top: 44px; }
.prose section:first-of-type { margin-top: 0; }
.prose h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.28;
  margin: 0 0 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.prose .list { grid-column: auto; margin-top: 18px; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  :root { --lh: 52px; }
  .plate figure { grid-column: 4 / 13; }
  .plate figcaption { grid-column: 4 / 13; margin-top: 14px; }
  .detail-grid figure { grid-column: 4 / 13; }
  .detail-grid .detail-text { grid-column: 4 / 13; margin-top: 26px; }
  .detail-grid figure img { width: 100%; max-width: 420px; }
}

@media (max-width: 680px) {
  :root { --lh: 44px; }
  body { font-size: 16px; }
  .sheet { padding: 0 18px; }
  .ruled { grid-template-columns: 1fr; column-gap: 0; }
  .field,
  .foot-field {
    grid-column: auto;
    border-right: 0;
    border-left: 2px solid var(--accent);
    padding-right: 0;
    padding-left: 14px;
    margin-bottom: 20px;
  }
  .body-col, .wide-col, .list, .steps, .note,
  .plate figure, .plate figcaption,
  .detail-grid, .detail-grid figure, .detail-grid .detail-text,
  .foot-main, .foot-mail { grid-column: auto; }
  .prose .field:empty { display: none; }
  .hero .field { flex-direction: row; align-items: baseline; gap: 16px; }
  .hero .initial { font-size: 72px; align-self: auto; }
  .hero .field .tag { margin-top: 0; align-self: auto; text-align: left; }
  .page-head .field .marker { text-align: left; }
  .marker { font-size: 44px; }
  .site-head .sheet { padding-top: 16px; padding-bottom: 16px; }
  .wordmark { width: 100%; margin-right: 0; }
  .detail-grid figure img { max-width: 100%; }
  .foot-mail { margin-top: 4px; }
}