/* Luckwell /learn — the archive, in the v3 skin (loads after style.css; uses its tokens). Markup comes from ../seo/render.py. */
.learn { max-width: 48rem; }
.learn .crumb { margin-bottom: 1.6rem; }
.learn .crumb a { color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 999px; padding: .45rem .75rem; text-transform: uppercase; letter-spacing: .08em; font-size: .7rem; }
.learn .crumb a:hover { color: var(--ink); border-color: var(--ink); }
.learn .crumb .gold { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.learn h1 { font-size: var(--step-4); max-width: 18ch; }
.learn .lead { color: var(--ink-2); font-size: var(--step-1); line-height: 1.45; max-width: 52ch; margin-top: 1.1rem; }
.learn .meta { margin-top: 1.1rem; display: flex; gap: 8px; flex-wrap: wrap; }
.learn .meta > * { border: 1px solid var(--line); border-radius: 999px; padding: .35rem .65rem; }
.learn figure.ex { margin: 2.6rem 0 .6rem; }
.learn figure.ex .stage { width: min(100%, 420px); }
.learn figure.ex figcaption { text-align: center; margin-top: 1.1rem; }
.learn article { margin-top: 2.2rem; font-size: 1.04rem; line-height: 1.7; }
.learn article h2 { font-size: var(--step-2); margin: 3rem 0 .9rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.learn article h3 { font-size: 1.2rem; margin: 1.6rem 0 .5rem; }
.learn article p { margin: 0 0 1rem; color: var(--ink-2); }
.learn article ul, .learn article ol { padding-left: 1.3em; margin: 0 0 1.1rem; color: var(--ink-2); }
.learn article li { margin: .4rem 0; }
.learn article li::marker { color: var(--gold); font-family: var(--f-mono); font-size: .8em; }
.learn article a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--gold-dim); }
.learn article a:hover { text-decoration-color: var(--gold); }
.learn article table { border-collapse: collapse; width: 100%; margin: 0 0 1.1rem; font-size: .94rem; display: block; overflow-x: auto; }
.learn article th, .learn article td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.learn article th { font: 600 .72rem var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); background: var(--surface); }
.learn article code, .learn article .mono { font-family: var(--f-mono); font-size: .86em; color: var(--gold); }
.learn article strong { color: var(--ink); }
.learn article em { color: var(--ink); font-style: italic; }
.learn article blockquote { margin: 0 0 1.1rem; padding: .2rem 0 .2rem 1rem; border-left: 3px solid var(--gold); color: var(--ink-2); font-size: 1.1rem; }
.learn article p.fine { color: var(--ink-3); font-size: .86rem; margin-top: 2rem; }
/* FAQ as details (render.py converts <h3>+<p> pairs of the FAQ section) */
.learn details.q { border-top: 1px solid var(--line); }
.learn details.q:last-of-type { border-bottom: 1px solid var(--line); }
.learn details.q summary { cursor: pointer; list-style: none; padding: 1rem 0; font: 600 var(--step-1)/1.3 var(--f-display); letter-spacing: -.015em; display: flex; justify-content: space-between; gap: 1rem; color: var(--ink); }
.learn details.q summary::-webkit-details-marker { display: none; }
.learn details.q summary::after { content: ""; width: .9rem; height: .9rem; flex: none; margin-top: .45rem; background: linear-gradient(currentColor, currentColor) center/100% 1.5px no-repeat, linear-gradient(currentColor, currentColor) center/1.5px 100% no-repeat; transition: transform var(--t) var(--ease); color: var(--gold); }
.learn details.q[open] summary::after { transform: rotate(45deg); }
.learn details.q p { padding-bottom: 1rem; }
/* sources in mono */
.learn .sources ul { list-style: none; padding: 0; margin: 0; }
.learn .sources li { font-family: var(--f-mono); font-size: .76rem; color: var(--ink-3); line-height: 1.6; padding: .6rem 0; border-top: 1px solid var(--line); margin: 0; }
.learn .sources li::marker { content: ""; }
/* CTA panel */
.learn .forge { margin-top: 3rem; padding: clamp(1.3rem, 4vw, 2rem); border: 1px solid var(--line-2); border-radius: 18px; background: var(--surface); display: grid; gap: .9rem; justify-items: start; }
.learn .forge p { color: var(--ink-2); font-size: .96rem; max-width: 44ch; }
/* related */
.learn .also { margin-top: 2.6rem; }
.learn .also .lab { margin-bottom: .6rem; }
.learn .also a { display: block; padding: 1rem 1.1rem; margin-top: .6rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(0,0,0,.45); font: 700 1.1rem/1.25 var(--f-display); letter-spacing: -.015em; transition: border-color var(--t); }
.learn .also a:hover { border-color: var(--ink); }
.learn .also a .k { display: block; font: 500 .68rem var(--f-mono); letter-spacing: .08em; color: var(--gold); margin-bottom: .3rem; text-transform: uppercase; }
/* index */
.learn .groups { display: grid; gap: 2.4rem; margin-top: 2.4rem; }
.learn .group .lab { margin-bottom: .6rem; }
.learn .group a { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: baseline; padding: 1rem 1.1rem; margin-top: .6rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(0,0,0,.45); font: 700 1.15rem/1.25 var(--f-display); letter-spacing: -.015em; transition: border-color var(--t); }
.learn .group a:hover { border-color: var(--ink); }
.learn .group a .d { font: 400 .7rem var(--f-mono); color: var(--ink-3); letter-spacing: .04em; }
.learn .langs { display: inline-flex; gap: 2px; flex-wrap: wrap; margin-top: 1.2rem; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(0,0,0,.35); }
.learn .langs a { font: 500 .7rem/1 var(--f-mono); letter-spacing: .08em; color: var(--ink-3); padding: .45rem .6rem; border-radius: 999px; }
.learn .langs a:hover { color: var(--ink); }
.learn .langs a[aria-current] { color: #000; background: var(--gold); }
.learn .empty { padding: 2.4rem 0; }
@media (max-width: 480px) { .learn .group a { grid-template-columns: 1fr; gap: .2rem; } }