/* Vitalvision — Dämmerungs-Palette, ruhig, warm, naturnah */

:root {
  --bg: #faf6ef;
  --bg-card: #ffffff;
  --ink: #1c2a40;
  --ink-soft: #5a6a80;
  --blue: #16263d;
  --blue-mid: #2c4468;
  --ochre: #c98a2b;
  --ochre-soft: #f3e3c8;
  --line: #e8e0d2;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  font-size: 1.06rem;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

h1, h2, h3 {
  font-family: "Iowan Old Style", "Palatino", Georgia, serif;
  color: var(--blue);
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
  margin: 0.4em 0 0.5em;
}

h2 {
  font-size: 1.45rem;
  margin: 2.2em 0 0.6em;
  border-top: 1px solid var(--line);
  padding-top: 1.4em;
}

h3 {
  font-size: 1.15rem;
  margin: 1.6em 0 0.5em;
  color: var(--blue-mid);
}

p {
  margin: 0 0 1.1em;
}

a {
  color: var(--blue-mid);
  text-decoration-color: var(--ochre);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:hover,
a:focus {
  color: var(--ochre);
}

ul, ol {
  padding-left: 1.3em;
  margin: 0 0 1.2em;
}

li {
  margin-bottom: 0.5em;
}

strong {
  color: var(--blue);
}

em {
  color: var(--ink-soft);
}

/* Header */

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

header.site .wrap {
  padding-top: 1.4rem;
  padding-bottom: 1.4rem;
}

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.92rem;
}

.topnav a {
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.topnav a:hover,
.topnav a:focus {
  color: var(--ochre);
}

.brand {
  font-family: "Iowan Old Style", "Palatino", Georgia, serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand:hover,
.brand:focus {
  color: var(--blue-mid);
}

.kicker {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: 0.6em;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

/* Cards / sections */

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.3rem 1.4rem;
  margin: 1.4rem 0;
}

.card h3:first-child {
  margin-top: 0;
}

.toc {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.toc li:last-child {
  border-bottom: none;
}

.toc a {
  display: block;
  padding: 1rem 0.1rem;
  text-decoration: none;
  color: var(--blue);
  font-family: "Iowan Old Style", "Palatino", Georgia, serif;
  font-size: 1.15rem;
}

.toc a:hover,
.toc a:focus {
  color: var(--ochre);
}

.toc .desc {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.94rem;
  color: var(--ink-soft);
  margin-top: 0.25em;
}

.tag {
  display: inline-block;
  background: var(--ochre-soft);
  color: var(--blue);
  border-radius: 999px;
  padding: 0.15em 0.75em;
  font-size: 0.78rem;
  margin: 0 0.4em 0.4em 0;
}

blockquote {
  margin: 1.4em 0;
  padding: 0.2em 1.2em;
  border-left: 3px solid var(--ochre);
  color: var(--blue-mid);
  font-style: italic;
}

hr.sep {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.5em 0;
}

.note {
  font-size: 0.92rem;
  color: var(--ink-soft);
  background: var(--ochre-soft);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin: 1.4em 0;
}

.placeholder {
  color: var(--ink-soft);
  font-style: italic;
}

/* Footer / pager */

footer.site {
  margin-top: 3rem;
}

.crossrefs {
  margin: 1.6em 0;
  font-size: 0.96rem;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  margin-top: 2.2rem;
  font-size: 0.95rem;
}

.pager a {
  text-decoration: none;
  color: var(--blue);
  max-width: 46%;
}

.pager .dir {
  display: block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 0.2em;
}

.pager .next {
  text-align: right;
  margin-left: auto;
}

.back-index {
  text-align: center;
  margin-top: 1.6rem;
}

.back-index a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  text-decoration: none;
}

.back-index a:hover,
.back-index a:focus {
  color: var(--ochre);
}

.colophon {
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-align: center;
}

@media (min-width: 700px) {
  h1 {
    font-size: 2.3rem;
  }
  body {
    font-size: 1.1rem;
  }
}