/* =========================================================
   Blog — the listing and every post. Loaded after /index.css.
   Built to public/reference/brand-guidelines.md; generated pages come
   from tools/build-blog.py, so edit this file, not the pages.
   Every class is prefixed bl- ; the reset weighs nothing (guidelines §14).
   ========================================================= */

.bl {
  --pad: calc(67 * var(--u));
  --text: #2a2a2a;
  --faint: #9a9a9a;
  --soft: #f5f8f1;
  --line: #eaeaea;
  --lime-tint: #effcb5;
  --lime-ink: #3f5a00;
  --r-card: calc(18 * var(--u));
  --r: calc(12 * var(--u));
  --ease: cubic-bezier(.2, .8, .2, 1);
  display: block;
  color: var(--ink);
}
.bl *, .bl *::before, .bl *::after { box-sizing: border-box; }
:where(.bl) :where(h1, h2, h3, h4, p, ul, ol, figure, blockquote) { margin: 0; }
.bl [hidden] { display: none !important; }
.bl img { display: block; max-width: 100%; }
.bl .i { flex: none; width: calc(16 * var(--u)); height: calc(16 * var(--u)); fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s var(--ease); }
.bl .dim { color: var(--muted); }

/* ---------- type ---------- */
.bl-h1, .bl-h2 { font-family: var(--font-head); font-weight: 500; letter-spacing: -.03em; color: var(--ink); text-wrap: balance; }
.bl-h1 { font-size: calc(64 * var(--u)); line-height: calc(77 * var(--u)); }
.bl-h2 { font-size: calc(48 * var(--u)); line-height: calc(57 * var(--u)); }
.bl-lede { margin-top: calc(16 * var(--u)); max-width: calc(640 * var(--u)); font-size: calc(25 * var(--u)); line-height: calc(33 * var(--u)); letter-spacing: -.01em; color: var(--muted); text-wrap: pretty; }
.bl-pill { display: inline-flex; align-items: center; gap: calc(7 * var(--u)); padding: calc(5 * var(--u)) calc(13 * var(--u)); border-radius: 999px; background: var(--soft); color: var(--text); font-size: calc(13 * var(--u)); font-weight: 600; line-height: 1.3; }
.bl-pill::before { content: ""; width: calc(6 * var(--u)); height: calc(6 * var(--u)); border-radius: 50%; background: currentColor; opacity: .7; }
.bl-pill.ink { background: var(--ink); color: var(--lime); }
.bl-pill + .bl-h1, .bl-pill + .bl-h2 { margin-top: calc(22 * var(--u)); }

.bl-meta { display: flex; flex-wrap: wrap; align-items: center; gap: calc(8 * var(--u)) calc(12 * var(--u)); font-size: calc(14 * var(--u)); color: var(--muted); font-variant-numeric: tabular-nums; }
.bl-tag { padding: calc(4 * var(--u)) calc(10 * var(--u)); border-radius: 999px; background: var(--soft); color: var(--text); font-size: calc(12.5 * var(--u)); font-weight: 600; }
.bl-tag.lime { background: var(--lime); color: var(--ink); }
.bl-more { display: inline-flex; align-items: center; gap: calc(8 * var(--u)); font-size: calc(16 * var(--u)); font-weight: 600; color: var(--ink); }

/* ---------- listing: hero ---------- */
.bl-hero { padding: calc(120 * var(--u)) var(--pad) calc(72 * var(--u)); }
.bl-hero .bl-h1 { max-width: calc(900 * var(--u)); }

/* ---------- listing: the latest post ---------- */
.bl-featured { padding: 0 var(--pad) calc(120 * var(--u)); border-bottom: 1px solid var(--rule); }
.bl-featured__link { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); column-gap: calc(64 * var(--u)); align-items: center; }
.bl-featured__img { display: block; overflow: hidden; aspect-ratio: 16 / 10; border: 1px solid var(--rule); border-radius: var(--r-card); background: var(--soft); }
.bl-featured__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.bl-featured__body { display: grid; gap: calc(18 * var(--u)); justify-items: start; }
.bl-featured__title { font-family: var(--font-head); font-size: calc(40 * var(--u)); line-height: calc(48 * var(--u)); font-weight: 500; letter-spacing: -.03em; text-wrap: balance; }
.bl-featured__excerpt { font-size: calc(19 * var(--u)); line-height: calc(29 * var(--u)); color: var(--muted); }
.bl-featured__link:hover .bl-featured__img img { transform: scale(1.025); }
.bl-featured__link:hover .bl-more .i, .bl-card__link:hover .bl-more .i { transform: translateX(calc(3 * var(--u))); }

/* ---------- listing: all articles ---------- */
.bl-list { padding: calc(120 * var(--u)) var(--pad) calc(120 * var(--u)); }
.bl-list__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: calc(24 * var(--u)); }
.bl-chips { display: flex; flex-wrap: wrap; gap: calc(8 * var(--u)); }
.bl-chip { display: inline-flex; align-items: center; gap: calc(8 * var(--u)); padding: calc(10 * var(--u)) calc(16 * var(--u)); border: 1px solid var(--rule); border-radius: 999px; background: #fff; font: inherit; font-size: calc(15 * var(--u)); font-weight: 600; color: var(--text); cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.bl-chip span { font-size: calc(12.5 * var(--u)); color: var(--faint); font-variant-numeric: tabular-nums; }
.bl-chip:hover { border-color: var(--divider); }
.bl-chip[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--lime); }
.bl-chip[aria-pressed="true"] span { color: #b8c0a4; }
.bl-count { margin-top: calc(28 * var(--u)); font-size: calc(15 * var(--u)); color: var(--muted); }
.bl-count:empty { display: none; }

.bl-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: calc(40 * var(--u)) calc(24 * var(--u)); margin-top: calc(40 * var(--u)); }
.bl-card__link { display: flex; flex-direction: column; height: 100%; }
.bl-card__img { display: block; overflow: hidden; aspect-ratio: 16 / 10; border: 1px solid var(--rule); border-radius: var(--r); background: var(--soft); }
.bl-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.bl-card__link:hover .bl-card__img img { transform: scale(1.03); }
.bl-noimg { display: grid; place-items: center; height: 100%; padding: calc(24 * var(--u)); background: radial-gradient(90% 80% at 100% 100%, #d7f58a 0%, #effcb5 40%, var(--soft) 80%); font-family: var(--font-head); font-size: calc(24 * var(--u)); font-weight: 500; letter-spacing: -.03em; color: var(--lime-ink); text-align: center; }
.bl-card__body { display: flex; flex-direction: column; flex: 1; gap: calc(12 * var(--u)); padding-top: calc(20 * var(--u)); }
.bl-card__title { font-family: var(--font-head); font-size: calc(24 * var(--u)); line-height: calc(30 * var(--u)); font-weight: 500; letter-spacing: -.03em; text-wrap: balance; }
.bl-card__excerpt { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-size: calc(16 * var(--u)); line-height: calc(24 * var(--u)); color: var(--muted); }
.bl-card__link .bl-more { margin-top: auto; padding-top: calc(4 * var(--u)); }

/* pagination */
.bl-pages { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: calc(8 * var(--u)); margin-top: calc(72 * var(--u)); padding-top: calc(40 * var(--u)); border-top: 1px solid var(--rule); }
.bl-pages button { display: inline-flex; align-items: center; justify-content: center; gap: calc(8 * var(--u)); min-width: calc(48 * var(--u)); height: calc(48 * var(--u)); padding: 0 calc(16 * var(--u)); border: 1px solid var(--rule); border-radius: calc(12 * var(--u)); background: #fff; font: inherit; font-size: calc(16 * var(--u)); font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.bl-pages button:hover:not(:disabled) { border-color: var(--divider); }
.bl-pages button[aria-current="page"] { border-color: var(--ink); background: var(--ink); color: var(--lime); }
.bl-pages button:disabled { opacity: .4; cursor: default; }
.bl-pages .edge { padding: 0 calc(18 * var(--u)); }
.bl-pages .gap { color: var(--faint); padding: 0 calc(4 * var(--u)); }

/* ---------- a post ---------- */
.bl-post__head { max-width: calc(900 * var(--u)); padding: calc(96 * var(--u)) var(--pad) 0; margin: 0 auto; }
.bl-crumbs { display: flex; gap: calc(10 * var(--u)); font-size: calc(14 * var(--u)); font-weight: 600; color: var(--faint); }
.bl-crumbs a { color: var(--muted); }
.bl-crumbs a:hover { color: var(--ink); }
.bl-post__title { margin-top: calc(28 * var(--u)); font-family: var(--font-head); font-size: calc(48 * var(--u)); line-height: calc(57 * var(--u)); font-weight: 500; letter-spacing: -.03em; text-wrap: balance; }
.bl-post__lede { margin-top: calc(20 * var(--u)); font-size: calc(22 * var(--u)); line-height: calc(32 * var(--u)); letter-spacing: -.01em; color: var(--muted); text-wrap: pretty; }
.bl-post__head .bl-meta { margin-top: calc(28 * var(--u)); padding-top: calc(24 * var(--u)); border-top: 1px solid var(--rule); }
.bl-post__hero { max-width: calc(1160 * var(--u)); margin: calc(56 * var(--u)) auto 0; padding: 0 var(--pad); }
.bl-post__hero img { width: 100%; height: auto; max-height: calc(620 * var(--u)); object-fit: cover; border: 1px solid var(--rule); border-radius: var(--r-card); }

/* the article: long-form prose (guidelines §2.1 --prose) */
.bl-prose { max-width: calc(760 * var(--u) + 2 * var(--pad)); margin: 0 auto; padding: calc(64 * var(--u)) var(--pad) 0; font-size: calc(19 * var(--u)); line-height: calc(32 * var(--u)); letter-spacing: -.01em; color: var(--prose); }
.bl-prose > * + * { margin-top: calc(20 * var(--u)); }
.bl-prose h2 { margin-top: calc(56 * var(--u)); font-family: var(--font-head); font-size: calc(32 * var(--u)); line-height: calc(40 * var(--u)); font-weight: 500; letter-spacing: -.03em; color: var(--ink); text-wrap: balance; }
.bl-prose h3 { margin-top: calc(40 * var(--u)); font-family: var(--font-head); font-size: calc(24 * var(--u)); line-height: calc(31 * var(--u)); font-weight: 500; letter-spacing: -.025em; color: var(--ink); text-wrap: balance; }
.bl-prose h4 { margin-top: calc(32 * var(--u)); font-size: calc(19 * var(--u)); line-height: calc(28 * var(--u)); font-weight: 700; color: var(--ink); }
.bl-prose h2 + *, .bl-prose h3 + *, .bl-prose h4 + * { margin-top: calc(12 * var(--u)); }
.bl-prose h2 strong, .bl-prose h3 strong, .bl-prose h4 strong { font-weight: inherit; }
.bl-prose strong { font-weight: 600; color: var(--ink); }
.bl-prose a { color: var(--lime-ink); text-decoration: underline; text-decoration-color: var(--lime-ico); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.bl-prose a:hover { text-decoration-color: var(--lime-ink); }
.bl-prose ul, .bl-prose ol { padding-left: calc(26 * var(--u)); }
.bl-prose li + li { margin-top: calc(8 * var(--u)); }
.bl-prose ul li::marker { color: var(--lime-ico); }
.bl-prose ol li::marker { color: var(--lime-ink); font-weight: 700; }
.bl-prose blockquote { padding: calc(18 * var(--u)) calc(24 * var(--u)); border-left: calc(3 * var(--u)) solid var(--lime); border-radius: 0 var(--r) var(--r) 0; background: var(--lime-soft); color: var(--text); }
.bl-prose figure { margin-top: calc(36 * var(--u)); margin-bottom: calc(12 * var(--u)); }
.bl-prose figure img, .bl-prose > img { width: 100%; height: auto; border: 1px solid var(--rule); border-radius: var(--r); }
.bl-prose figcaption { margin-top: calc(10 * var(--u)); font-size: calc(14 * var(--u)); color: var(--muted); text-align: center; }
.bl-prose table { width: 100%; border-collapse: collapse; font-size: calc(16 * var(--u)); }
.bl-prose th, .bl-prose td { padding: calc(10 * var(--u)) calc(12 * var(--u)); border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.bl-prose th { font-weight: 600; color: var(--ink); }

.bl-post__foot { max-width: calc(760 * var(--u) + 2 * var(--pad)); margin: calc(64 * var(--u)) auto 0; padding: calc(32 * var(--u)) var(--pad) 0; }
.bl-post__foot::before { content: ""; display: block; height: 1px; margin-bottom: calc(32 * var(--u)); background: var(--rule); }
.bl-back { display: inline-flex; align-items: center; gap: calc(10 * var(--u)); font-size: calc(17 * var(--u)); font-weight: 600; color: var(--ink); }
.bl-back:hover .i { transform: translateX(calc(-3 * var(--u))); }
.bl-related { margin-top: calc(120 * var(--u)); padding: calc(120 * var(--u)) var(--pad); border-top: 1px solid var(--rule); }

/* ---------- closing call to action ---------- */
.bl-cta { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: calc(64 * var(--u)); align-items: end; margin: 0 var(--pad) calc(120 * var(--u)); padding: calc(56 * var(--u)); border: 1px solid var(--rule); border-radius: var(--r-card); background: var(--soft); }
.bl-cta .bl-h2 { max-width: calc(760 * var(--u)); }
.bl-cta__acts { display: flex; flex-wrap: wrap; gap: calc(14 * var(--u)); }
.bl-cta .btn .i { width: calc(22 * var(--u)); height: calc(22 * var(--u)); }
.bl-cta .btn:hover .i { transform: translateX(calc(3 * var(--u))); }

@media (prefers-reduced-motion: reduce) {
  .bl *, .bl *::before, .bl *::after { transition-duration: .001ms !important; }
}

/* =========================================================
   Below 1180 --u is 1px: real px. Stack, don't shrink.
   ========================================================= */
@media (max-width: 1179px) {
  .bl { --pad: 22px; }
  .bl .i { width: 16px; height: 16px; }
  .bl-h1 { font-size: clamp(32px, 7.2vw, 48px); line-height: 1.08; }
  .bl-h2 { font-size: clamp(26px, 5.4vw, 36px); line-height: 1.16; }
  .bl-lede { font-size: 17px; line-height: 25px; }
  .bl-hero { padding: 48px 22px 36px; }
  .bl-featured { padding-bottom: 56px; }
  .bl-featured__link { grid-template-columns: 1fr; row-gap: 22px; }
  .bl-featured__title { font-size: clamp(24px, 5.6vw, 32px); line-height: 1.2; }
  .bl-featured__excerpt { font-size: 16px; line-height: 24px; }
  .bl-list { padding: 56px 22px; }
  .bl-list__head { flex-direction: column; align-items: flex-start; }
  .bl-chips { flex-wrap: nowrap; overflow-x: auto; max-width: 100%; margin: 0 -22px; padding: 0 22px 4px; scrollbar-width: none; }
  .bl-chips::-webkit-scrollbar { display: none; }
  .bl-chip { flex: none; font-size: 14px; padding: 9px 14px; }
  .bl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 16px; margin-top: 28px; }
  .bl-card__title { font-size: 19px; line-height: 25px; }
  .bl-card__excerpt { font-size: 14.5px; line-height: 21px; }
  .bl-pages { margin-top: 44px; padding-top: 28px; gap: 6px; }
  .bl-pages button { min-width: 42px; height: 42px; font-size: 15px; padding: 0 12px; }

  .bl-post__head { padding-top: 40px; }
  .bl-post__title { font-size: clamp(28px, 6.6vw, 40px); line-height: 1.14; margin-top: 20px; }
  .bl-post__lede { font-size: 17px; line-height: 26px; }
  .bl-post__hero { margin-top: 32px; }
  .bl-prose { padding-top: 36px; font-size: 17px; line-height: 28px; }
  .bl-prose h2 { font-size: 24px; line-height: 31px; margin-top: 40px; }
  .bl-prose h3 { font-size: 20px; line-height: 27px; margin-top: 32px; }
  .bl-prose h4 { font-size: 17px; }
  .bl-related { margin-top: 64px; padding: 56px 22px; }

  .bl-cta { grid-template-columns: 1fr; row-gap: 24px; margin: 0 22px 64px; padding: 28px 22px; }
  .bl-cta__acts { flex-direction: column; align-items: stretch; }
}
@media (max-width: 640px) {
  .bl-grid { grid-template-columns: 1fr; }
  .bl-pages .num:not([aria-current="page"]):not(.near) { display: none; }
  .bl-pages .gap { display: none; }
}