:root {
  --ink: #16242f;
  --muted: #5b6b78;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --line: #e2dccf;
  --sea: #1f5673;
  --beam: #d9482b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ecef;
    --muted: #9aa9b5;
    --paper: #0f1a22;
    --card: #17252f;
    --line: #26363f;
    --sea: #7fbcd9;
    --beam: #ff7a5c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 Georgia, "Times New Roman", serif;
}
a { color: var(--sea); }
a:hover { color: var(--beam); }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px 16px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 700 22px/1 "Trebuchet MS", "Segoe UI", sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.lamp {
  width: 14px;
  height: 22px;
  border-radius: 3px 3px 1px 1px;
  background: repeating-linear-gradient(var(--beam) 0 5px, var(--card) 5px 10px);
  box-shadow: 0 0 0 1px var(--line);
}
nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
nav a {
  font: 15px/1.2 "Trebuchet MS", "Segoe UI", sans-serif;
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
nav a[aria-current="page"] { border-color: var(--beam); color: var(--ink); }

main { max-width: 1040px; margin: 0 auto; padding: 8px 16px 48px; }
main.narrow { max-width: 760px; }

.hero { padding: 48px 0 28px; max-width: 720px; }
.kicker {
  margin: 0 0 8px;
  font: 13px/1.2 "Trebuchet MS", "Segoe UI", sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--beam);
}
h1 { font-size: clamp(30px, 6vw, 46px); line-height: 1.12; margin: 0 0 16px; }
h2 { font-size: 23px; line-height: 1.25; margin: 28px 0 8px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 20px; }
.btn {
  display: inline-block;
  padding: 11px 20px;
  background: var(--sea);
  color: var(--paper);
  border-radius: 4px;
  font: 600 15px/1.2 "Trebuchet MS", "Segoe UI", sans-serif;
  text-decoration: none;
}
.btn:hover { background: var(--beam); color: var(--paper); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin: 16px 0 36px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--sea);
  border-radius: 4px;
  padding: 18px 18px 20px;
}
.card h2 { margin-top: 0; }
.meta {
  margin: 0 0 10px;
  font: 13px/1.4 "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--muted);
}
.note {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--beam);
  padding: 4px 20px 12px;
  border-radius: 4px;
}
.note li, .entry li { margin: 6px 0; }
.entry { padding: 6px 0 18px; border-bottom: 1px solid var(--line); }
.entry:last-of-type { border-bottom: 0; }
.warn { color: var(--beam); font-style: italic; }
.mail { font-family: Consolas, "Courier New", monospace; font-size: 15px; }

footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px 16px 36px;
  border-top: 1px solid var(--line);
  font: 14px/1.5 "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--muted);
}
footer p { margin: 4px 0; }