:root {
  --outside: #616a73;
  --surface: #4d545c;
  --surface-deep: #454b52;
  --text: #f2f2f2;
  --muted: #c7c7c7;
  --rule: rgba(242, 242, 242, .18);
  --link: #ffffff;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--outside);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover, a:focus { color: #fff; }

.site { max-width: 1320px; margin: 0 auto; background: var(--surface); min-height: 100vh; }
.site-header { padding: 3.3rem 60px 1.7rem; }
.brand { display: inline-block; color: var(--text); text-decoration: none; }
.brand-name { display: block; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; }
.brand-tagline { display: block; margin-top: .45rem; color: var(--muted); font-size: .78rem; letter-spacing: .055em; line-height: 1.45; }
.site-nav { margin-top: 2rem; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 0 1.6rem; list-style: none; margin: 0; padding: .8rem 0; }
.site-nav a { color: var(--text); font-size: .9rem; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus, .site-nav .current a { text-decoration: underline; }
.site-nav .external a::after { content: " ↗"; color: var(--muted); }

.content-shell { display: flex; gap: 60px; padding: 2.3rem 60px 4rem; align-items: flex-start; }
.wide-media { display: block; width: calc(100% - 120px); margin: 2.3rem 60px 0; }
.wide-media .hero-image { margin: 0; }
.content { flex: 0 1 840px; max-width: 840px; padding: 0; }
.sidebar { flex: 0 0 300px; padding-top: 0; }
.sidebar h2 { margin: 0 0 .8rem; font-size: 1.35rem; text-transform: none; }
.sidebar p { margin-bottom: 1.25rem; }
.sidebar .button { display: inline-block; padding: .65rem 1.1rem; border: 1px solid var(--muted); color: var(--text); text-decoration: none; font-size: .9rem; }
.sidebar .button:hover, .sidebar .button:focus { background: var(--surface-deep); }
h1, h2, h3 { color: var(--text); font-family: Georgia, "Times New Roman", serif; font-weight: normal; line-height: 1.25; }
h1 { margin: 0 0 1.5rem; font-size: clamp(1.75rem, 3vw, 2.35rem); }
h2 { margin: 2.2rem 0 .8rem; font-size: 1.55rem; }
p { margin: 0 0 1.25rem; }
.lead { font-size: 1.15rem; }
.hero-image { display: block; width: 100%; height: auto; margin: 0 0 1.7rem; }
.portrait { display: block; width: min(100%, 305px); height: auto; margin: 1.6rem 0 0; }
.intro-callout { margin: 2rem 0; padding: 1.1rem 1.4rem; border-left: 3px solid var(--muted); background: var(--surface-deep); }
.intro-callout p:last-child { margin-bottom: 0; }
.plain-list { margin: 0 0 1.5rem; padding-left: 1.25rem; }
.plain-list li { margin: .45rem 0; }
.back { display: inline-block; margin-top: 1.5rem; }
.site-footer { border-top: 1px solid var(--rule); padding: 1.5rem 60px 2.5rem; color: var(--muted); font-size: .88rem; }
.site-footer p { margin: 0; }

@media (max-width: 640px) {
  .site-header { padding: 2.2rem 24px 1.2rem; }
  .site-nav { margin-top: 1.5rem; }
  .site-nav ul { display: block; padding: .45rem 0; }
  .site-nav li { margin: .25rem 0; }
  .content-shell { display: block; padding: 1.8rem 24px 3rem; }
  .wide-media { width: calc(100% - 48px); margin: 1.8rem 24px 0; }
  .content { max-width: none; }
  .sidebar { margin-top: 3rem; }
  .site-footer { padding-left: 24px; padding-right: 24px; }
}

@media (min-width: 641px) and (max-width: 910px) {
  .site-header { padding-left: 21px; padding-right: 21px; }
  .content-shell { display: block; padding: 2.3rem 21px 4rem; }
  .wide-media { width: calc(100% - 42px); margin: 2.3rem 21px 0; }
  .content { max-width: none; }
  .sidebar { margin-top: 3rem; }
  .site-footer { padding-left: 21px; padding-right: 21px; }
}

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }