/* SF Chapter 5 — site styles. One stylesheet for every page. */

:root {
  --ink: #1f2328;
  --muted: #5a6069;
  --bg: #faf8f4;
  --surface: #ffffff;
  --line: #e2ddd3;
  --navy: #1c3354;
  --link: #1d4f8c;
  --brass: #a8824a;
  --brass-soft: #f3ece0;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wide: 62rem;
  --prose: 42rem;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}

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

a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { color: var(--navy); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: normal;
  color: var(--navy);
  line-height: 1.25;
}
h1 { font-size: 2.1rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.5rem; margin: 2.25rem 0 0.75rem; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--surface);
  padding: 0.5rem 1rem;
}

.wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Header and navigation */

.site-header {
  background: var(--surface);
  border-bottom: 3px solid var(--brass);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  color: var(--navy);
  text-decoration: none;
  line-height: 1.2;
}
.brand-name {
  display: block;
  font-family: var(--serif);
  font-size: 1.5rem;
}
.brand-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav a {
  display: inline-block;
  padding: 0.25rem 0;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--link); }
.site-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--brass);
}

/* Page body */

main { padding: 2.5rem 0 3.5rem; }

.page { max-width: var(--prose); }

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin-top: 0;
}

.breadcrumb {
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
}

.note {
  background: var(--brass-soft);
  border-left: 4px solid var(--brass);
  padding: 0.75rem 1rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
}
.card h2, .card h3 { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

.button {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  padding: 0.55rem 1.1rem;
  border-radius: 4px;
  text-decoration: none;
}
.button:hover { background: var(--link); color: #fff; }
.button.secondary {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.button.secondary:hover { background: var(--navy); color: #fff; }
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

dl.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1.25rem;
  margin: 0;
}
dl.facts dt { font-weight: 600; }
dl.facts dd { margin: 0; }

.schedule {
  list-style: none;
  padding: 0;
  margin: 0;
}
.schedule li {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.schedule li:last-child { border-bottom: 0; }
.schedule strong { color: var(--navy); }

.map {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* Home page */

.hero {
  background: #d9d9d9 url("../img/chapter-collage.jpg") center / cover no-repeat;
  padding: 5rem 1rem;
}
.hero-panel {
  max-width: 38rem;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.94);
  border-top: 4px solid var(--brass);
  border-radius: 4px;
  padding: 1.75rem 2rem;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
  text-align: center;
}
.hero-panel .kicker {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-panel h1 { font-size: 2.3rem; }
.hero-panel p { margin: 0.5rem 0 0; }
.hero-panel .actions { justify-content: center; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
}

.feature {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.75rem;
  align-items: center;
}
.feature img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.section-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin: 2.75rem 0 1rem;
}
.section-title h2 { margin: 0; }

/* Archive */

.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.article-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.article-list li:first-child { padding-top: 0; }
.article-list .date {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.article-list a {
  font-family: var(--serif);
  font-size: 1.2rem;
}
.article-list p { margin: 0.25rem 0 0; }

.article figure {
  margin: 1.75rem 0;
  text-align: center;
}
.article figure img {
  border-radius: 3px;
}
.article figure.side {
  float: left;
  margin: 0.35rem 1.25rem 0.75rem 0;
  max-width: 40%;
}
.article .byline { color: var(--muted); font-style: italic; }
.article::after { content: ""; display: block; clear: both; }

.portrait {
  float: right;
  width: 12rem;
  margin: 0.25rem 0 1rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}
.portrait img { display: block; border-radius: 4px; margin-bottom: 0.35rem; }

.doc-list { padding-left: 1.25rem; }
.doc-list li { margin-bottom: 0.75rem; }
.doc-list span { display: block; color: var(--muted); font-size: 0.95rem; }

.contacts { list-style: none; padding: 0; }
.contacts li { padding: 0.6rem 0; border-bottom: 1px solid var(--line); }
.contacts li:last-child { border-bottom: 0; }
.contacts strong { display: block; color: var(--navy); }

/* Footer */

.site-footer {
  background: var(--navy);
  color: #dfe5ee;
  font-size: 0.95rem;
  padding: 2rem 0;
}
.site-footer a { color: #fff; }
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
}
.site-footer p { margin: 0 0 0.35rem; }

@media (max-width: 40rem) {
  body { font-size: 1rem; }
  h1 { font-size: 1.75rem; }
  .hero { padding: 2.5rem 1rem; }
  .hero-panel { padding: 1.25rem; }
  .hero-panel h1 { font-size: 1.8rem; }
  .feature { grid-template-columns: 1fr; }
  .feature img { max-width: 10rem; margin: 0 auto; }
  .portrait { float: none; margin: 0 auto 1.25rem; }
  .article figure.side { float: none; max-width: 100%; margin: 1.75rem 0; }
  .schedule li { grid-template-columns: 1fr; gap: 0.1rem; }
  dl.facts { grid-template-columns: 1fr; gap: 0 0; }
  dl.facts dd { margin-bottom: 0.6rem; }
}