/* Tasuldu — fine-setting */

:root {
  --bg: #181a19;
  --bg-alt: #202422;
  --bg-light: #eef0ee;
  --tx: #e6e9e6;
  --tx2: #8f9691;
  --tx-dark: #181a19;
  --ac: #5fae86;
  --ac2: #d8c07a;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --gap: 24px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

p { margin: 0 0 20px; max-width: 66ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--ac); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--tx); }

:focus-visible {
  outline: 2px solid var(--ac);
  outline-offset: 3px;
}

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

/* Grid -------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header ------------------------------------------------ */

.site-header { padding-top: 28px; }

.brand {
  grid-column: 1 / span 4;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.04em;
  margin: 0;
}
.brand a { color: var(--tx); text-decoration: none; }

.nav {
  grid-column: 5 / span 8;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 26px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.11em;
  padding-top: 4px;
}
.nav a { color: var(--tx2); text-decoration: none; }
.nav a:hover { color: var(--tx); }
.nav a[aria-current="page"] { color: var(--tx); border-bottom: 1px solid var(--ac); padding-bottom: 2px; }

.header-rule {
  grid-column: 1 / span 5;
  height: 1px;
  background: var(--ac);
  margin-top: 22px;
}

/* Hero -------------------------------------------------- */

.hero { padding-top: 56px; }

.hero h1 {
  grid-column: 1 / span 7;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.16;
  font-weight: normal;
  letter-spacing: -0.01em;
  margin: 0;
}
.hero h1 .l1 { display: block; padding-left: 28.5%; }
.hero h1 .l2 { display: block; }

.hero-topics {
  grid-column: 10 / span 3;
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--tx2);
}
.hero-topics li {
  border-top: 1px solid #333734;
  padding: 9px 0;
}
.hero-topics li:last-child { border-bottom: 1px solid #333734; }

.hero-lead {
  grid-column: 1 / span 6;
  margin-top: 40px;
}

/* Main figure ------------------------------------------- */

.figure-main {
  margin: 48px 0 0;
  align-items: end;
}
.figure-main .shot {
  grid-column: 8 / span 5;
  border: 1px solid var(--ac);
  padding: 8px;
}
.figure-main figcaption {
  grid-column: 2 / span 4;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--tx2);
  padding-bottom: 6px;
}
.figure-main figcaption .mark { color: var(--ac2); display: block; letter-spacing: 0.12em; margin-bottom: 6px; }

/* Bands and sections ------------------------------------ */

.band { padding: 32px 0; }
.band-alt { background: var(--bg-alt); }
.band-light { background: var(--bg-light); color: var(--tx-dark); padding: 48px 0; }
.band-light a { color: #2f6b4f; }

.sect { grid-column: 1 / span 6; }
.sect.shift { grid-column: 4 / span 6; }
.sect.wide { grid-column: 1 / span 8; }

.rule {
  width: 33.33%;
  height: 1px;
  background: var(--ac);
  margin-bottom: 14px;
}
.band-light .rule { background: #2f6b4f; }

.num {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ac2);
  display: block;
  margin-bottom: 6px;
}
.band-light .num { color: #8a7433; }

h2 {
  font-size: clamp(23px, 2.4vw, 30px);
  line-height: 1.25;
  font-weight: normal;
  margin: 0 0 18px;
  letter-spacing: -0.005em;
}

h3 {
  font-size: 20px;
  font-style: italic;
  font-weight: normal;
  margin: 28px 0 12px;
}

ul.plain, ol.plain {
  margin: 0 0 20px;
  padding-left: 20px;
  max-width: 62ch;
}
ul.plain li, ol.plain li { margin-bottom: 9px; }
ul.plain li::marker { color: var(--ac); }
ol.plain li::marker { color: var(--ac); font-family: var(--sans); font-size: 14px; }
.band-light ul.plain li::marker, .band-light ol.plain li::marker { color: #2f6b4f; }

/* Contrast section with detail image --------------------- */

.detail-shot { grid-column: 1 / span 4; }
.detail-shot figcaption {
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.6;
  color: #5c625d;
  margin-top: 10px;
}
.detail-text { grid-column: 6 / span 6; }

/* About page -------------------------------------------- */

.page-head { padding-top: 56px; }
.page-head h1 {
  grid-column: 1 / span 8;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.2;
  font-weight: normal;
  margin: 0;
}
.page-head .kicker {
  grid-column: 1 / span 8;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ac2);
  margin: 0 0 12px;
}

.doc { padding: 40px 0 8px; }
.doc-col { grid-column: 1 / span 6; }
.doc-col section { margin-bottom: 56px; }
.doc-col section:last-child { margin-bottom: 0; }
.doc-col h2 {
  position: relative;
  padding-left: 40px;
}
.doc-col h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 24px;
  height: 1px;
  background: var(--ac);
}

/* Footer ------------------------------------------------ */

.site-footer { margin-top: 56px; padding-bottom: 48px; }
.footer-rule {
  grid-column: 1 / span 5;
  height: 1px;
  background: var(--ac);
  margin-bottom: 26px;
}
.f-name { grid-column: 1 / span 5; }
.f-nav { grid-column: 6 / span 3; }
.f-contact { grid-column: 9 / span 4; }

.site-footer h2 {
  font-size: 20px;
  margin: 0 0 8px;
  letter-spacing: 0.04em;
}
.site-footer p, .site-footer ul {
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.75;
  color: var(--tx2);
  margin: 0;
}
.site-footer ul { list-style: none; padding: 0; }
.site-footer ul li { margin-bottom: 5px; }
.site-footer a { color: var(--tx2); text-decoration: none; }
.site-footer a:hover { color: var(--tx); }
.site-footer .mail { color: var(--ac); text-decoration: underline; text-underline-offset: 3px; }
.site-footer .mail:hover { color: var(--tx); }

/* Responsive -------------------------------------------- */

@media (max-width: 900px) {
  .grid { padding: 0 22px; }
  .brand { grid-column: 1 / span 12; }
  .nav { grid-column: 1 / span 12; justify-content: flex-start; margin-top: 12px; font-size: 12px; gap: 8px 20px; }
  .header-rule { grid-column: 1 / span 12; margin-top: 18px; }

  .hero { padding-top: 36px; }
  .hero h1 { grid-column: 1 / span 12; }
  .hero h1 .l1 { padding-left: 12%; }
  .hero-topics { grid-column: 1 / span 12; margin-top: 28px; }
  .hero-lead { grid-column: 1 / span 12; margin-top: 28px; }

  .figure-main { margin-top: 32px; }
  .figure-main .shot { grid-column: 1 / span 12; }
  .figure-main figcaption { grid-column: 1 / span 12; padding-top: 12px; padding-bottom: 0; }

  .band { padding: 20px 0; }
  .band-light { padding: 32px 0; }
  .sect, .sect.shift, .sect.wide { grid-column: 1 / span 12; }
  .rule { width: 120px; }

  .detail-shot { grid-column: 1 / span 12; margin-bottom: 24px; }
  .detail-text { grid-column: 1 / span 12; }

  .page-head { padding-top: 36px; }
  .page-head h1, .page-head .kicker { grid-column: 1 / span 12; }
  .doc-col { grid-column: 1 / span 12; }
  .doc-col section { margin-bottom: 44px; }

  .site-footer { margin-top: 40px; padding-bottom: 36px; }
  .footer-rule { grid-column: 1 / span 12; }
  .f-name, .f-nav, .f-contact { grid-column: 1 / span 12; }
  .f-nav, .f-contact { margin-top: 22px; }
}

@media (max-width: 560px) {
  body { font-size: 17px; }
  .grid { padding: 0 18px; }
  .hero h1 .l1 { padding-left: 0; }
}