/* Guide/article pages: shares the landing palette, tuned for long-form reading. */
:root {
  --bg: #fafaf8;
  --card: #ffffff;
  --ink: #111111;
  --muted: #6b6b6b;
  --line: #e8e8e3;
  --accent: #2a6f4d;
  --accent-dark: #1f5238;
  --warm: #c19a3a;
  --warm-soft: #faf3df;
  --soft: #f1efe9;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

nav.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(247, 247, 245, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
nav.top .brand { font-family: var(--serif); font-weight: 700; font-size: 20px; color: var(--ink); }
nav.top .brand .dot { color: var(--accent); }
nav.top .links { display: flex; align-items: center; gap: 6px; }
nav.top .links a { color: var(--ink); font-size: 14.5px; font-weight: 500; padding: 8px 10px; border-radius: 6px; }
nav.top .links a:hover { background: var(--soft); text-decoration: none; }
nav.top .links a.cta { background: var(--accent); color: #fff; padding: 8px 16px; border-radius: 9px; font-weight: 600; }
nav.top .links a.cta:hover { background: var(--accent-dark); }
@media (max-width: 560px) {
  nav.top { padding: 12px 16px; }
  nav.top .links a:not(.cta):not(.keep) { display: none; }
}

main { max-width: 720px; margin: 0 auto; padding: 40px 20px 72px; }
.crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--ink); }

article h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(30px, 4.6vw, 40px); line-height: 1.15; letter-spacing: -0.015em;
  margin: 0 0 14px;
}
.dek { font-size: 17.5px; color: var(--muted); margin: 0 0 10px; }
.byline { font-size: 13.5px; color: var(--muted); margin: 0 0 36px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }

article h2 { font-family: var(--serif); font-weight: 600; font-size: 24px; margin: 44px 0 12px; letter-spacing: -0.01em; }
article h3 { font-size: 17px; font-weight: 600; margin: 30px 0 8px; }
article p, article li { font-size: 16px; }
article ul, article ol { padding-left: 22px; }
article li { margin: 6px 0; }

.example {
  background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 16px 20px; margin: 14px 0;
  font-size: 15.5px; box-shadow: var(--shadow);
}
.example p { margin: 0; font-size: 15.5px; }
.example .who {
  display: block; font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--accent); margin-bottom: 6px;
}
.example.weak { border-left-color: #b34a2a; }
.example.weak .who { color: #b34a2a; }

.callout {
  background: var(--warm-soft); border: 1px solid #eadfc2; border-radius: 10px;
  padding: 14px 18px; margin: 18px 0; font-size: 15px;
}
.callout p { margin: 0; font-size: 15px; }

.cta-box {
  margin-top: 56px; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 28px; box-shadow: var(--shadow);
}
.cta-box h2 { margin: 0 0 8px; font-size: 21px; }
.cta-box p { margin: 0 0 16px; color: var(--muted); font-size: 15px; }
.cta-box .btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 11px 22px; border-radius: 9px; font-weight: 600; font-size: 15px;
}
.cta-box .btn:hover { background: var(--accent-dark); text-decoration: none; }
.cta-box .note { display: block; margin-top: 10px; font-size: 13px; color: var(--muted); }

.more { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; }
.more h2 { font-size: 16px; font-family: "Inter", sans-serif; font-weight: 600; margin: 0 0 10px; }
.more ul { margin: 0; padding-left: 20px; }

/* Hub cards */
.guide-list { display: grid; gap: 16px; margin-top: 28px; }
.guide-card {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 22px 24px; box-shadow: var(--shadow);
  color: inherit; transition: transform 0.15s, box-shadow 0.15s;
}
.guide-card:hover { text-decoration: none; transform: translateY(-2px); }
.guide-card h2 { font-family: var(--serif); font-size: 20px; margin: 0 0 6px; color: var(--ink); }
.guide-card p { margin: 0; color: var(--muted); font-size: 14.5px; }

footer {
  border-top: 1px solid var(--line); text-align: center;
  padding: 40px 24px; color: var(--muted); font-size: 13.5px;
}
footer a { color: var(--muted); margin: 0 10px; display: inline-block; padding: 6px 4px; }
footer a:hover { color: var(--ink); }