/* Learn library + local page components. Built only on the tokens in styles.css. */

.article-hero { padding: 72px 0 24px; }
.article-hero .h1 { max-width: 22ch; margin-top: 16px; }
.article-meta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-ink-tertiary); margin-top: 20px;
}
.article-meta a { color: inherit; }

.prose { max-width: var(--prose-measure); }
.prose p, .prose li { font-size: 18px; line-height: 1.7; color: var(--color-primary); }
.prose p { margin: 0 0 20px; }
.prose ul, .prose ol { padding-left: 24px; margin: 0 0 24px; }
.prose li { margin-bottom: 10px; }
.prose h2 { font-size: 28px; line-height: 1.2; letter-spacing: -0.015em; margin: 56px 0 18px; }
.prose h3 { font-size: 20px; line-height: 1.3; margin: 32px 0 12px; }
.prose a { color: var(--color-accent); }
.lede { font-size: 21px !important; line-height: 1.6 !important; }
.src { font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-secondary); letter-spacing: 0.02em; }

.stat-pull {
  border-left: 3px solid var(--color-ai-signal); padding: 8px 0 8px 24px; margin: 40px 0;
}
.stat-pull .num { font-family: var(--font-serif); font-size: 56px; line-height: 1; color: var(--color-primary); }
.stat-pull p { font-size: 18px; margin: 12px 0 6px; max-width: 46ch; }

.data-table { width: 100%; border-collapse: collapse; margin: 8px 0 32px; font-size: 16px; }
.data-table caption { text-align: left; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-ink-secondary); padding-bottom: 10px; }
.data-table th, .data-table td { text-align: left; vertical-align: top; padding: 12px 14px;
  border-bottom: 1px solid var(--color-hairline); line-height: 1.5; }
.data-table thead th { background: var(--color-surface); font-weight: 600; border-bottom: 1px solid var(--color-primary); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Video: a thumbnail link that swaps to the player on click. */
.video { position: relative; aspect-ratio: 16 / 9; background: var(--color-primary);
  border-radius: var(--radius-md); overflow: hidden; margin: 32px 0 12px; }
.video a, .video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.video img { width: 100%; height: 100%; object-fit: cover; opacity: 0.82; }
.video .play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 76px; height: 76px; border-radius: 50%; background: rgba(15, 23, 42, 0.78);
  border: 2px solid #fff; }
.video .play::after { content: ''; position: absolute; left: 54%; top: 50%; transform: translate(-50%, -50%);
  border-left: 22px solid #fff; border-top: 14px solid transparent; border-bottom: 14px solid transparent; }
.video a:hover .play, .video a:focus-visible .play { background: var(--color-ai-signal); }
.video-caption { font-size: 15px; color: var(--color-ink-secondary); margin: 0 0 8px; }

/* The signature element: the recording's own timestamped chapters. */
.chapters { list-style: none; padding: 0 !important; margin: 16px 0 40px !important;
  border-top: 1px solid var(--color-primary); }
.chapters li { margin: 0 !important; border-bottom: 1px solid var(--color-hairline); }
.chapters a { display: grid; grid-template-columns: 76px 1fr; gap: 16px; padding: 12px 4px;
  text-decoration: none; color: var(--color-primary) !important; font-size: 17px; line-height: 1.45; }
.chapters a:hover { background: var(--color-ai-signal-bg); }
.chapters time { font-family: var(--font-mono); font-size: 14px; color: var(--color-ai-signal); padding-top: 2px; }

.author-box { display: grid; grid-template-columns: 1fr; gap: 6px; border-top: 1px solid var(--color-hairline);
  margin-top: 56px; padding-top: 24px; }
.author-box .name { font-weight: 600; font-size: 17px; }
.author-box p { font-size: 16px !important; color: var(--color-ink-secondary) !important; margin: 0 !important; }

.cta-block { background: var(--color-surface); border: 1px solid var(--color-hairline); border-radius: var(--radius-md);
  padding: 28px; margin: 48px 0 0; }
.cta-block h2 { margin-top: 0 !important; font-size: 24px !important; }
.cta-block .btn { margin-top: 8px; }

.note { font-size: 15px !important; color: var(--color-ink-secondary) !important; }

/* Library hub */
.lib-list { list-style: none; padding: 0; margin: 24px 0 0; border-top: 1px solid var(--color-primary); }
.lib-list li { border-bottom: 1px solid var(--color-hairline); padding: 20px 0; }
.lib-list .kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-ai-signal); }
.lib-list h3 { font-size: 22px; margin: 6px 0 8px; }
.lib-list h3 a { color: var(--color-primary); text-decoration: none; }
.lib-list h3 a:hover { text-decoration: underline; }
.lib-list p { margin: 0; color: var(--color-ink-secondary); font-size: 17px; line-height: 1.6; max-width: 64ch; }

@media (max-width: 600px) {
  .article-hero { padding: 48px 0 16px; }
  .prose p, .prose li { font-size: 17px; }
  .lede { font-size: 19px !important; }
  .prose h2 { font-size: 24px; margin-top: 44px; }
  .stat-pull .num { font-size: 44px; }
  .chapters a { grid-template-columns: 60px 1fr; gap: 10px; font-size: 16px; }
  .data-table { font-size: 15px; }
  .data-table th, .data-table td { padding: 10px 8px; }
}

/* Desktop: reading column plus a sticky rail, so the right half is not a void. */
.article-layout { display: grid; grid-template-columns: minmax(0, 68ch) 300px; gap: 72px; justify-content: space-between; align-items: start; }
.rail { position: sticky; top: 104px; border-top: 1px solid var(--color-primary); padding-top: 18px; }
.rail .rail-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-secondary); }
.rail .rail-thumb { display: block; position: relative; margin: 12px 0 14px; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 16 / 9; background: var(--color-primary); }
.rail .rail-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.rail .rail-thumb .play { width: 52px; height: 52px; }
.rail .rail-thumb .play::after { border-left-width: 15px; border-top-width: 10px; border-bottom-width: 10px; }
.rail .rail-title { font-weight: 600; font-size: 17px; line-height: 1.35; margin: 0 0 12px; }
.rail dl { margin: 0 0 18px; font-size: 15px; }
.rail dl div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--color-hairline); }
.rail dt { color: var(--color-ink-secondary); }
.rail dd { margin: 0; text-align: right; }
.rail .btn { display: block; text-align: center; margin-top: 10px; }
.rail .rail-thumb .play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border-radius: 50%; background: rgba(15, 23, 42, 0.78); border: 2px solid #fff; }
.rail .rail-thumb .play::after { content: ''; position: absolute; left: 54%; top: 50%; transform: translate(-50%, -50%); border-left-style: solid; border-left-color: #fff; border-top-style: solid; border-top-color: transparent; border-bottom-style: solid; border-bottom-color: transparent; }
@media (max-width: 1080px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .rail { display: none; }
}
.prose .faq-question { margin: 0; font-size: 18px; }
.prose .faq-wrap { margin: 8px 0 40px; }
.prose .lib-list { padding-left: 0; }
.prose .town-list { list-style: none; padding-left: 0; columns: 3; column-gap: 32px; margin: 0 0 24px; }
.prose .town-list li { break-inside: avoid; padding: 8px 0; margin: 0; border-bottom: 1px solid var(--color-hairline); }
.data-table.sched td:first-child { white-space: nowrap; }
@media (max-width: 600px) { .prose .town-list { columns: 2; } }

/* Work: case studies. The job ticket is the one signature element: each page is a record of a job. */
.ticket { border: 1px solid var(--color-primary); border-radius: var(--radius-sm); margin: 28px 0 8px;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); max-width: 1000px; }
.ticket div { padding: 14px 16px; border-right: 1px solid var(--color-hairline); }
.ticket div:last-child { border-right: 0; }
.ticket dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-ink-tertiary); }
.ticket dd { margin: 6px 0 0; font-size: 15px; line-height: 1.4; color: var(--color-primary); }
.shot { margin: 36px 0; }
.shot img { width: 100%; height: auto; display: block; border: 1px solid var(--color-hairline); border-radius: var(--radius-sm); }
.shot figcaption { font-size: 14px; color: var(--color-ink-secondary); margin-top: 10px; }
.built-list { counter-reset: built; list-style: none; padding-left: 0 !important; border-top: 1px solid var(--color-primary); }
.built-list li { counter-increment: built; display: grid; grid-template-columns: 44px 1fr; gap: 8px; padding: 14px 0; margin: 0 !important; border-bottom: 1px solid var(--color-hairline); }
.built-list li::before { content: counter(built, decimal-leading-zero); font-family: var(--font-mono); font-size: 14px; color: var(--color-ai-signal); padding-top: 3px; }
.work-grid { list-style: none; padding: 0 !important; margin: 24px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.work-grid li { margin: 0 !important; }
.work-grid a { text-decoration: none; color: var(--color-primary) !important; display: block; }
.work-grid img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border: 1px solid var(--color-hairline); border-radius: var(--radius-sm); display: block; }
.work-grid .kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ai-signal); margin-top: 14px; }
.work-grid h3 { font-size: 21px; line-height: 1.3; margin: 6px 0 6px; }
.work-grid p { font-size: 16px !important; color: var(--color-ink-secondary) !important; margin: 0 !important; }
.work-grid a:hover h3 { text-decoration: underline; }
@media (max-width: 900px) {
  .ticket { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ticket div { border-bottom: 1px solid var(--color-hairline); }
  .ticket div:nth-child(2n) { border-right: 0; }
  .work-grid { grid-template-columns: 1fr; }
}
/* Case pages: text keeps a reading measure, the screenshots run the full ticket width. */
.case-prose { max-width: 1000px !important; }
.case-prose > p, .case-prose > h2, .case-prose > h3, .case-prose > .built-list, .case-prose > .cta-block { max-width: 72ch; }
@media (max-width: 900px) { .ticket div:last-child:nth-child(odd) { grid-column: 1 / -1; border-right: 0; } }

/* Before/after compare: the range input is the control, so keyboard and touch work natively. */
.compare { position: relative; margin: 36px 0 8px; border: 1px solid var(--color-hairline); border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 16 / 10; background: var(--color-primary); --pos: 50%; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.compare .before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.compare .divider { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; background: #fff; box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.35); transform: translateX(-1px); pointer-events: none; }
.compare .divider::after { content: '\2194'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary); color: #fff; border: 2px solid #fff; display: grid; place-items: center; font-size: 20px; }
.compare .tag { position: absolute; top: 14px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; background: rgba(15, 23, 42, 0.82); color: #fff; padding: 6px 10px; border-radius: 4px; pointer-events: none; }
.compare .tag-before { left: 14px; }
.compare .tag-after { right: 14px; }
.compare input[type=range] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; -webkit-appearance: none; appearance: none; }
.compare input[type=range]:focus-visible + .divider::after { outline: 3px solid var(--color-ai-signal); outline-offset: 2px; }