:root {
  --sea: #0b3d3a;
  --foam: #e7f2ee;
  --sand: #f7f4ea;
  --ink: #15211f;
  --gold: #b8892d;
  --line: #cfdcd6;
  --mute: #5b6e69;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Public Sans", "Segoe UI", sans-serif;
  background: var(--sand);
  color: var(--ink);
  line-height: 1.62;
  min-height: 100vh;
}
a { color: var(--sea); text-underline-offset: 3px; }
.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.rail {
  background: var(--sea);
  color: var(--foam);
  padding: 1.6rem 1.25rem 2rem;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  font-family: "Bricolage Grotesque", Georgia, serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: #f7f4ea;
  text-decoration: none;
  display: block;
  margin-bottom: 0.35rem;
}
.brand span { color: var(--gold); }
.tag {
  font-size: 0.78rem;
  color: #b7d4cc;
  margin-bottom: 1.6rem;
}
.rail nav { display: flex; flex-direction: column; gap: 0.55rem; }
.rail nav a {
  color: #d5ebe5;
  text-decoration: none;
  font-size: 0.92rem;
  border-left: 2px solid transparent;
  padding-left: 0.55rem;
}
.rail nav a:hover,
.rail nav a[aria-current="page"] {
  color: #fff;
  border-left-color: var(--gold);
}
.main { padding: 0 0 3rem; }
.hero {
  padding: 2.8rem 8vw 2rem;
  border-bottom: 4px solid var(--gold);
  background: linear-gradient(180deg, #fffdf6 0%, var(--sand) 100%);
}
.kicker {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.7rem;
}
h1, h2 {
  font-family: "Bricolage Grotesque", Georgia, serif;
  line-height: 1.15;
  font-weight: 700;
}
h1 { font-size: clamp(1.85rem, 4vw, 2.85rem); max-width: 18ch; margin-bottom: 0.85rem; }
.lead { max-width: 40rem; color: var(--mute); font-size: 1.05rem; }
.pad { padding: 1.8rem 8vw 0; }
.notes {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 1.4rem 0 2.2rem;
}
.note {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--sea);
  padding: 1.05rem 1.1rem;
  text-decoration: none;
  color: inherit;
}
.note:hover { border-top-color: var(--gold); }
.note strong {
  display: block;
  font-family: "Bricolage Grotesque", Georgia, serif;
  margin-bottom: 0.28rem;
}
.note em { font-style: normal; color: var(--mute); font-size: 0.9rem; }
article.sheet { padding: 2rem 8vw 3rem; max-width: 52rem; }
article.sheet p { margin: 0.9rem 0; }
article.sheet h2 { font-size: 1.35rem; margin: 1.5rem 0 0.4rem; }
.cta {
  background: var(--sea);
  color: var(--foam);
  padding: 1.25rem 1.3rem;
  margin: 1.5rem 0;
}
.cta p { color: #c5ddd7; margin: 0 0 0.75rem; }
.cta-btn {
  display: inline-block;
  background: var(--gold);
  color: #1a160c;
  font-weight: 700;
  text-decoration: none;
  padding: 0.62rem 1rem;
}
.cta-btn:hover { background: #d4a63a; }
.also { font-size: 0.9rem; color: var(--mute); }
.foot {
  margin: 2rem 8vw 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 0.84rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.foot a { color: var(--mute); }
.nap {
  background: #fff;
  border: 1px dashed var(--sea);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}
@media (max-width: 840px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; padding: 1rem 1.1rem 1.15rem; }
  .rail nav { flex-direction: row; flex-wrap: wrap; gap: 0.8rem; }
  .rail nav a { border-left: 0; border-bottom: 2px solid transparent; padding: 0 0 0.15rem; }
  .rail nav a:hover,
  .rail nav a[aria-current="page"] { border-left-color: transparent; border-bottom-color: var(--gold); }
  .hero, .pad, article.sheet, .foot { padding-left: 1.1rem; padding-right: 1.1rem; }
  .foot { margin-left: 1.1rem; margin-right: 1.1rem; }
}