/* Blog post: Substack-style reading page */

.post { padding: 40px 0 72px; }
.post .col { max-width: 680px; margin: 0 auto; }

.post-title { font: 500 40px/1.02 var(--display); letter-spacing: -0.04em; color: var(--strong); margin: 0; }
.post-sub { font: italic 400 24px/1.3 var(--note); margin: 14px 0 0; color: var(--strong); }
@media (min-width: 700px) {
  .post { padding: 64px 0 96px; }
  .post-title { font-size: 60px; }
  .post-sub { font-size: 28px; }
}

.byline { display: flex; align-items: center; gap: 12px; margin: 28px 0 0; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.byline .avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--lime); color: var(--ink); border: 1.5px solid var(--ink); font: 500 20px/1 var(--display); flex: none; }
.byline strong { display: block; font-size: 15px; color: var(--strong); }
.byline span { font: 500 11px/1.6 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }

.body { margin-top: 36px; }
.body p { font: 20px/1.7 var(--serif); margin: 0 0 24px; }
.body p.one { margin-bottom: 14px; }
.body h3 { font: 500 32px/1.15 var(--display); margin: 48px 0 16px; letter-spacing: -0.03em; }
.body blockquote { margin: 0 0 24px; padding: 2px 0 2px 20px; border-left: 4px solid var(--lime-deep); }
.body blockquote p { font-style: italic; margin: 0; }
.body .prompt {
  margin: 0 0 24px; padding: 18px 20px; border-radius: 12px; background: var(--ink);
  font: 15px/1.65 var(--mono); color: var(--cream); white-space: pre-wrap;
}
.body hr { border: 0; text-align: center; margin: 40px 0; }
.body hr::after { content: "* * *"; letter-spacing: 0.6em; font: 18px var(--serif); }
.body .sketch { margin: 8px 0 28px; }

/* Course box dropped into the middle of the post. Carries the Black Label tokens. */
.course-box {
  margin: 44px 0; padding: 32px 22px; border-radius: 24px; text-align: center; border: 1.5px solid var(--ink); box-shadow: 0 6px 0 var(--ink);
  background: var(--canvas); color: var(--text);
}
.course-box .eyebrow { margin-bottom: 10px; }
.course-box h4 { font: 500 44px/1 var(--display); letter-spacing: -0.045em; color: var(--strong); margin: 0; }
.course-box p { font: 19px/1.55 var(--serif); margin: 12px auto 0; max-width: 460px; }
.course-box .btn { margin-top: 22px; }
.course-box .fine { font: 14px/1.5 var(--sans); margin-top: 12px; }
@media (min-width: 700px) { .course-box { padding: 40px 48px; } }

.post-end { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.post-end h3 { font: 500 32px/1.1 var(--display); letter-spacing: -0.03em; margin: 0; }
.post-end > p { font: 18px/1.6 var(--serif); margin: 10px 0 0; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.body ul { margin: 0 0 24px; padding-left: 22px; }
.body li { font: 20px/1.65 var(--serif); margin-bottom: 8px; }
.body li strong { color: var(--strong); }
.course-box p.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; margin: 0 0 10px; color: var(--strong); }

/* Notes index: Substack-style archive list */
.post-list { list-style: none; margin: 32px 0 0; padding: 0; border-top: 1px solid var(--line); }
.post-list li { border-bottom: 1px solid var(--line); }
.post-list a { display: block; padding: 24px 0; text-decoration: none; }
.post-list strong { display: block; font: 500 32px/1.1 var(--display); letter-spacing: -0.03em; color: var(--strong); }
.post-list a:hover strong { text-decoration: underline; }
.post-list .sub-line { display: block; font: italic 400 21px/1.35 var(--note); margin-top: 8px; color: var(--strong); }
.post-list .meta { display: block; font: 500 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; margin-top: 14px; }