/* Read Achilles — shared styles for homepage and archive pages.
   Issue pages keep their own inline styles; this file is for the site shell only.
   No external dependencies, no frameworks. */
:root {
  --bg: #0E1116;
  --card: #151A21;
  --card-2: #1B222B;
  --text: #E8EAED;
  --muted: #BAC3CD;
  --line: rgba(255, 255, 255, 0.07);
  --amber: #D29922;
  --accent: #56B4E9;
  --green: #3FB950;
  --red: #F85149;
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace; }
.wrap { max-width: 860px; margin: 0 auto; padding: 32px 22px 64px; }

/* Masthead */
.masthead { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 28px; }
.masthead .brand { font-size: 13px; letter-spacing: 3px; text-transform: uppercase; color: var(--amber); }
.masthead h1 { font-size: 38px; margin: 8px 0 4px; letter-spacing: -0.5px; }
.masthead .tagline { color: var(--muted); font-size: 16px; margin: 0; }
.masthead a.home { color: var(--amber); }

/* Newsletter cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
@media (max-width: 680px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  padding: 20px;
  display: flex;
  flex-direction: column;
}
.card h2 { font-size: 19px; margin: 0 0 4px; }
.card h2 a { color: var(--text); }
.card h2 a:hover { color: var(--accent); }
.card .lede { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.card .latest { font-size: 13px; color: var(--muted); margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }
.card .latest a { font-weight: 600; }
.card .btn {
  display: inline-block; margin-top: 10px; padding: 8px 14px; border-radius: 6px;
  background: var(--card-2); border: 1px solid var(--line); color: var(--text);
  font-size: 13px; font-weight: 600;
}
.card .btn:hover { border-color: var(--amber); color: var(--amber); text-decoration: none; }

/* Archive list */
.archive-head h1 { font-size: 30px; margin: 8px 0 4px; }
.archive-head p { color: var(--muted); margin: 0 0 20px; }
.issue-list { list-style: none; padding: 0; margin: 0; }
.issue-list li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 10px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.issue-list .date { font-weight: 700; font-size: 15px; }
.issue-list .meta { color: var(--muted); font-size: 13px; }
.back { display: inline-block; margin-bottom: 18px; font-size: 14px; }

footer.site { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 16px; }
footer.site p { color: var(--muted); font-size: 12.5px; }

/* Homepage CTA banner */
.cta {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--amber);
  border-radius: 10px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  padding: 24px 28px; margin: 8px 0 8px; display: flex; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.cta h2 { font-size: 22px; margin: 0; }
.cta p { color: var(--muted); font-size: 14.5px; margin: 4px 0 0; flex: 1 1 220px; }
.cta .btn {
  display: inline-block; padding: 10px 20px; border-radius: 6px; background: var(--amber);
  color: #0E1116; font-size: 14px; font-weight: 700; white-space: nowrap;
}
.cta .btn:hover { filter: brightness(1.1); text-decoration: none; }