/* Prebrora — fine-setting */

:root {
  --bg: #f6f1e7;
  --bg-alt: #ece4d6;
  --bg-dark: #1a2340;
  --ink: #12182b;
  --muted: #6b6858;
  --on-dark: #f6f1e7;
  --accent: #e2a93b;
  --accent2: #b4472f;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --gap: 24px;
  --max: 1180px;
}

* { 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;
}

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

a { color: var(--ink); text-decoration: none; }
main a, footer a { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; text-decoration-thickness: 1px; }
main a:hover, footer a:hover { color: var(--accent2); }

a:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

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

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

.site-header {
  padding: 34px 0 0;
}

.site-header .grid { align-items: baseline; }

.brand {
  grid-column: 1 / 4;
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: 0.02em;
}

.site-nav {
  grid-column: 5 / 13;
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  justify-content: flex-end;
}

.site-nav a {
  font-size: 13px;
  letter-spacing: 0.09em;
  color: var(--muted);
  padding-bottom: 3px;
}

.site-nav a:hover { color: var(--ink); }

.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
}

.header-rule {
  margin-top: 22px;
}

.header-rule span {
  display: block;
  grid-column: 1 / 6;
  height: 1px;
  background: var(--accent);
}

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

.hero { padding: 62px 0 0; }

.hero h1 {
  grid-column: 1 / 8;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 5.1vw, 60px);
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}

.hero h1 .l1 { display: block; padding-left: 16.6%; }
.hero h1 .l2 { display: block; }

.hero-topics {
  grid-column: 10 / 13;
  align-self: end;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(18, 24, 43, 0.22);
}

.hero-topics li {
  border-bottom: 1px solid rgba(18, 24, 43, 0.22);
  font-size: 13px;
  line-height: 1.5;
  padding: 9px 0;
  color: var(--muted);
}

.hero-topics li b {
  font-weight: 400;
  color: var(--accent2);
  margin-right: 8px;
}

.hero-lead {
  grid-column: 1 / 7;
  margin: 40px 0 0;
}

.hero-lead p { margin: 0 0 20px; }

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

.figure-main { padding: 46px 0 0; }

.figure-main figure { margin: 0; display: contents; }

.figure-main .cap {
  grid-column: 1 / 4;
  align-self: end;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  padding-bottom: 6px;
}

.figure-main .shot {
  grid-column: 8 / 13;
  padding: 8px;
  border: 1px solid var(--accent);
}

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

main section { padding: 64px 0; }

section.alt { background: var(--bg-alt); }

.rule {
  display: block;
  width: calc((100% / 6) * 1 + 0px);
  max-width: 160px;
  height: 1px;
  background: var(--accent);
  margin: 0 0 26px;
}

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(23px, 2.6vw, 30px);
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: -0.005em;
}

h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.25;
  margin: 32px 0 10px;
}

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

.col-text { grid-column: 1 / 7; }
.col-shift { grid-column: 4 / 10; }

.snum {
  display: block;
  font-size: 13px;
  color: var(--accent2);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

ul.list, ol.list {
  margin: 0 0 20px;
  padding-left: 20px;
}

ul.list { list-style: none; padding-left: 0; }

ul.list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}

ul.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 10px;
  height: 1px;
  background: var(--accent);
}

ol.list li { margin-bottom: 10px; padding-left: 4px; }
ol.list li::marker { color: var(--accent2); font-size: 14px; }

dl.defs { margin: 0; }
dl.defs dt {
  font-family: var(--serif);
  font-size: 18px;
  margin-top: 24px;
  border-left: 2px solid var(--accent);
  padding-left: 12px;
}
dl.defs dd { margin: 8px 0 0; }

/* ---------- dark section ---------- */

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

.dark h2, .dark h3 { color: var(--on-dark); }
.dark .snum { color: var(--accent); }
.dark .rule { background: var(--accent); }
.dark ul.list li::before { background: var(--accent); }
.dark a { color: var(--on-dark); }

.dark .shot {
  grid-column: 1 / 5;
  padding: 8px;
  border: 1px solid rgba(246, 241, 231, 0.35);
}

.dark .shot figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(246, 241, 231, 0.72);
  margin-top: 12px;
}

.dark .side { grid-column: 6 / 12; }

/* ---------- about ---------- */

.page-head { padding: 58px 0 0; }

.page-head h1 {
  grid-column: 1 / 8;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.08;
  margin: 0;
}

.page-head .kicker {
  grid-column: 1 / 8;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent2);
  margin: 0 0 14px;
}

.narrow { padding: 56px 0 64px; }

.narrow .body { grid-column: 1 / 7; }

.narrow .body section { padding: 0; margin-bottom: 56px; }
.narrow .body section:last-child { margin-bottom: 0; }

.narrow h2 {
  position: relative;
  padding-left: 36px;
  margin-bottom: 16px;
}

.narrow h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

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

.site-footer {
  padding: 0 0 56px;
  margin-top: 0;
}

.foot-rule { padding-top: 0; }

.foot-rule span {
  grid-column: 1 / 6;
  display: block;
  height: 1px;
  background: var(--accent);
  margin-bottom: 30px;
}

.f-name { grid-column: 1 / 6; }
.f-nav { grid-column: 6 / 9; }
.f-meta { grid-column: 9 / 13; }

.f-name .n {
  font-family: var(--serif);
  font-size: 20px;
  display: block;
  margin-bottom: 8px;
}

.f-name p, .f-meta p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 10px;
}

.f-nav ul { list-style: none; margin: 0; padding: 0; }
.f-nav li { margin-bottom: 8px; }
.f-nav a { font-size: 13px; color: var(--muted); }
.f-nav a:hover { color: var(--ink); }

.f-meta a { font-size: 14px; }

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

@media (max-width: 900px) {
  .brand { grid-column: 1 / 13; }
  .site-nav { grid-column: 1 / 13; justify-content: flex-start; gap: 18px; margin-top: 12px; }
  .header-rule span { grid-column: 1 / 13; }

  .hero h1 { grid-column: 1 / 13; }
  .hero h1 .l1 { padding-left: 0; }
  .hero-topics { grid-column: 1 / 13; margin-top: 30px; }
  .hero-lead { grid-column: 1 / 13; }

  .figure-main .shot { grid-column: 1 / 13; }
  .figure-main .cap { grid-column: 1 / 13; padding-bottom: 0; margin-top: 12px; order: 2; }

  .col-text, .col-shift, .narrow .body { grid-column: 1 / 13; }
  .dark .shot { grid-column: 1 / 13; }
  .dark .side { grid-column: 1 / 13; margin-top: 30px; }

  .page-head h1, .page-head .kicker { grid-column: 1 / 13; }

  .foot-rule span, .f-name, .f-nav, .f-meta { grid-column: 1 / 13; }
  .f-nav, .f-meta { margin-top: 26px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  main section { padding: 40px 0; }
  .hero { padding: 40px 0 0; }
  .figure-main { padding: 32px 0 0; }
  .narrow { padding: 40px 0 48px; }
  .narrow .body section { margin-bottom: 40px; }
  .rule { max-width: 120px; }
}