/* Plervarunta — light-axis */

:root {
  --bg: #efeae1;
  --bg-alt: #e3dbce;
  --bg-dark: #2c3a5c;
  --ink: #2b2822;
  --ink-soft: #6f6759;
  --ink-inv: #efeae1;
  --accent: #a83b2c;
  --accent-2: #6e7a47;
  --step: 80px;
  --gap: 28px;
  --font: 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(--font);
  font-size: 17px;
  line-height: 1.7;
  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;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

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

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

.site-head {
  padding: 26px 0 22px;
  background: var(--bg);
}

.site-head .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 28px;
}

.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

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

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 15px;
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

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

/* ---------- typography ---------- */

h1 {
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0;
}

h2 {
  font-size: 23px;
  line-height: 1.28;
  letter-spacing: -0.015em;
  font-weight: 700;
  margin: 0;
}

h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 34px 0 10px;
  letter-spacing: -0.005em;
}

p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }

.caption {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 12px 0 0;
}

.sect-no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  display: block;
  margin-bottom: 10px;
}

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

.hero {
  padding: 44px 0 var(--step);
  background: var(--bg);
}

.hero-title { grid-column: 1 / 8; }
.hero-lede { grid-column: 9 / 13; align-self: start; font-size: 17px; color: var(--ink-soft); }

.axis { margin-top: 34px; }

.axis-bar {
  height: 2px;
  background: var(--accent);
  width: 100%;
}

.axis-drops {
  display: flex;
  gap: 46px;
  align-items: flex-start;
  padding-left: 6px;
}

.axis-drops span {
  display: block;
  width: 2px;
  background: var(--accent);
  position: relative;
}

.axis-drops span::after {
  content: "";
  position: absolute;
  left: -3px;
  bottom: -8px;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.axis-drops span:nth-child(1) { height: 58px; }
.axis-drops span:nth-child(2) { height: 30px; }
.axis-drops span:nth-child(3) { height: 84px; }

/* ---------- main image ---------- */

.figure-main {
  margin: 0;
  padding-bottom: var(--step);
  background: var(--bg);
}

.figure-main .grid { align-items: end; }
.figure-main img { grid-column: 4 / 13; width: 100%; }
.figure-main figcaption { grid-column: 1 / 4; padding-right: 18px; margin: 0 0 4px; }

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

.band { padding: var(--step) 0; }
.band-a { background: var(--bg); }
.band-b { background: var(--bg-alt); }

.band .grid { position: relative; }

.band h2 { grid-column: 1 / 4; padding-right: 20px; }
.band .body { grid-column: 4 / 11; }

.band h2::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  margin-bottom: 14px;
}

ul.list, ol.list {
  margin: 0 0 20px;
  padding-left: 0;
  list-style: none;
}

ol.list { counter-reset: it; }

ul.list li, ol.list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 11px;
}

ul.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

ol.list li {
  counter-increment: it;
  padding-left: 34px;
}

ol.list li::before {
  content: counter(it, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  letter-spacing: 0.08em;
}

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

.band-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
  padding: var(--step) 0;
}

.band-dark h2, .band-dark h3 { color: var(--ink-inv); }
.band-dark h2::before { background: var(--accent-2); }
.band-dark .caption { color: #b9bfd0; }
.band-dark ul.list li::before { background: var(--accent-2); }
.band-dark a { color: #e6b6ac; }

.band-dark .grid { row-gap: 40px; align-items: start; }
.band-dark .dark-fig { grid-column: 1 / 6; margin: 0; }
.band-dark .dark-text { grid-column: 7 / 13; }
.band-dark .sect-no { color: #9fae72; }

/* ---------- article pages ---------- */

.page-head { padding: 40px 0 var(--step); background: var(--bg); }
.page-head h1 { grid-column: 1 / 9; }
.page-head .lede { grid-column: 1 / 9; color: var(--ink-soft); margin-top: 26px; }

.doc { padding: 0 0 var(--step); background: var(--bg); }
.doc .grid { position: relative; }
.doc .doc-side { grid-column: 1 / 4; padding-right: 22px; }
.doc .doc-body { grid-column: 5 / 12; }

.doc .doc-body::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc((100% - 11 * var(--gap)) / 12 * 4 + var(--gap) * 3.5);
  width: 1px;
  background: rgba(111, 103, 89, 0.35);
}

.doc-side p { font-size: 13px; color: var(--ink-soft); line-height: 1.55; }

.doc-body h2 { margin-top: 40px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body h2 + p { margin-top: 12px; }

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

.site-foot {
  background: var(--bg-dark);
  color: var(--ink-inv);
  padding: 54px 0 44px;
}

.foot-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px 24px;
}

.foot-name { font-size: 27px; font-weight: 700; letter-spacing: -0.02em; }
.foot-mail a { color: var(--ink-inv); font-size: 17px; }
.foot-mail a:hover { color: #e6b6ac; }

.foot-rule {
  height: 1px;
  background: rgba(239, 234, 225, 0.28);
  margin: 26px 0 22px;
}

.foot-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0 0 20px;
  padding: 0;
}

.foot-links a { color: var(--ink-inv); font-size: 15px; text-decoration: none; border-bottom: 1px solid rgba(239,234,225,0.4); padding-bottom: 2px; }
.foot-links a:hover { border-bottom-color: #e6b6ac; color: #e6b6ac; }

.foot-note { font-size: 13px; line-height: 1.6; color: #b9bfd0; max-width: 62ch; margin: 0; }

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

@media (max-width: 900px) {
  :root { --step: 56px; --gap: 20px; }
  .hero-title, .hero-lede { grid-column: 1 / 13; }
  .hero-lede { margin-top: 30px; }
  .figure-main img { grid-column: 1 / 13; }
  .figure-main figcaption { grid-column: 1 / 13; margin-top: 12px; }
  .band h2, .band .body { grid-column: 1 / 13; }
  .band .body { margin-top: 20px; }
  .band-dark .dark-fig, .band-dark .dark-text { grid-column: 1 / 13; }
  .page-head h1, .page-head .lede { grid-column: 1 / 13; }
  .doc .doc-side, .doc .doc-body { grid-column: 1 / 13; }
  .doc .doc-body::before { display: none; }
  .doc .doc-body { margin-top: 26px; }
}

@media (max-width: 620px) {
  :root { --step: 48px; }
  body { font-size: 16.5px; }
  .wrap { padding: 0 20px; }
  .axis-drops { gap: 30px; }
  .foot-top { flex-direction: column; align-items: flex-start; }
  .foot-links { flex-direction: column; gap: 12px; }
  .site-nav ul { gap: 8px 16px; }
}