/* --------------------------------------------------- Base styles — shared by index.html and all posts Editorial theme matching posts/robots_learning_plain_language.html --------------------------------------------------- */ :root { --paper: #EFF1EC; --paper-2: #E4E8E0; --card: #FFFFFF; --ink: #1C2620; --ink-2: #41504A; --ink-3: #6E7C75; --rule: #CBD2C7; --cobalt: #2F5DD1; --mustard: #C98A16; --clay: #A8503C; --max-width: 680px; } @media (prefers-color-scheme: dark) { :root { --paper: #14181A; --paper-2: #1B211D; --card: #1F2622; --ink: #E9EDE9; --ink-2: #B7C2BA; --ink-3: #859089; --rule: #333F38; --cobalt: #7EA2FF; --mustard: #E0A73B; --clay: #D08668; } } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; padding: 0 1.25rem; background: var(--paper); color: var(--ink); font-family: 'Source Serif 4', Georgia, serif; font-size: 17px; line-height: 1.72; } ::selection { background: var(--cobalt); color: #fff; } h1, h2, h3, h4, .ui { font-family: 'Bricolage Grotesque', system-ui, sans-serif; } .mono { font-family: 'IBM Plex Mono', monospace; } main { max-width: var(--max-width); margin: 0 auto; padding: 3rem 0 5rem; } header.site-header { max-width: var(--max-width); margin: 0 auto; padding-top: 2rem; display: flex; align-items: center; gap: 0.9rem; } header.site-header .avatar { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; border: 1px solid var(--rule); box-shadow: 2px 2px 0 var(--paper-2); } header.site-header h1 { font-size: 1.4rem; margin: 0; font-weight: 700; letter-spacing: -0.02em; } header.site-header h1 a { color: var(--ink); text-decoration: none; } h1, h2, h3 { line-height: 1.25; } a { color: var(--cobalt); } p.intro { color: var(--ink-2); font-size: 1.05rem; } section.posts h2.section-title { font-family: 'IBM Plex Mono', monospace; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--clay); margin-top: 2.5rem; margin-bottom: 1rem; } ul.post-list { list-style: none; margin: 0; padding: 0; } ul.post-list li { padding: 1.1rem 1.2rem; margin-bottom: 0.85rem; background: var(--card); border: 1px solid var(--rule); border-radius: 2px; box-shadow: 3px 3px 0 var(--paper-2); } ul.post-list li:first-child { border-top: 1px solid var(--rule); } ul.post-list a.post-title { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 600; font-size: 1.05rem; color: var(--ink); text-decoration: none; } ul.post-list a.post-title:hover { color: var(--cobalt); } ul.post-list p.post-summary { margin: 0.35rem 0 0; color: var(--ink-2); font-size: 0.95rem; } ul.post-list time { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-3); margin-bottom: 0.3rem; } .back-link { display: inline-block; margin-bottom: 2rem; font-family: 'Bricolage Grotesque', sans-serif; font-size: 0.9rem; text-decoration: none; color: var(--ink-2); } .back-link:hover { color: var(--cobalt); } article.post header h1 { margin-bottom: 0.25rem; font-weight: 700; letter-spacing: -0.02em; } article.post time { font-family: 'IBM Plex Mono', monospace; color: var(--ink-3); font-size: 0.85rem; } footer.site-footer { max-width: var(--max-width); margin: 0 auto; padding: 2rem 0 3rem; color: var(--ink-3); font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; border-top: 1px solid var(--rule); } /* --------------------------------------------------- Long-form article template Blueprint for in-depth posts: hero + sticky sidebar TOC + sections. Pages using this add class="article" to so the layout can run full-bleed instead of the centered single-column body padding. --------------------------------------------------- */ body.article { padding: 0; } body.article header.site-header { max-width: none; padding: 1.6rem 6vw 1.6rem; } /* Hero */ .hero { padding: 5.5rem 6vw 3.5rem; border-bottom: 2px solid var(--ink); background: var(--paper-2); } .hero-inner { max-width: 940px; } .kicker { font-family: 'IBM Plex Mono', monospace; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--clay); margin-bottom: 1.2rem; } .hero h1 { font-size: clamp(2.1rem, 5.5vw, 3.7rem); line-height: 1.04; margin: 0 0 1.2rem; font-weight: 700; letter-spacing: -0.025em; max-width: 16ch; } .hero h1 span { color: var(--cobalt); } .hero .lede { font-size: 1.16rem; color: var(--ink-2); max-width: 60ch; margin: 0 0 2rem; } .hero-note { font-family: 'Bricolage Grotesque', sans-serif; font-size: .86rem; color: var(--ink-3); border-left: 3px solid var(--mustard); padding-left: .9rem; max-width: 52ch; } /* Sidebar + content layout */ .layout { display: grid; grid-template-columns: 250px 1fr; max-width: 1240px; margin: 0 auto; } .rail { position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 2.6rem 1.3rem 3rem 6vw; border-right: 1px solid var(--rule); } .rail-title { font-family: 'IBM Plex Mono', monospace; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 1rem; } .rail-part { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 600; font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--clay); margin: 1.5rem 0 .45rem; } .rail-part:first-of-type { margin-top: 0; } .rail a { display: block; text-decoration: none; color: var(--ink-2); font-family: 'Bricolage Grotesque', sans-serif; font-size: .87rem; padding: .35rem 0 .35rem .8rem; border-left: 2px solid transparent; transition: all .15s; } .rail a:hover { color: var(--ink); border-left-color: var(--rule); } .rail a.active { color: var(--cobalt); border-left-color: var(--cobalt); font-weight: 600; } .layout main { max-width: none; margin: 0; padding: 3rem 6vw 5rem 4vw; min-width: 0; } /* Part headers + sections */ .part-head { max-width: 720px; margin: 0 0 2.6rem; } .part-head .pnum { font-family: 'IBM Plex Mono', monospace; font-size: .72rem; letter-spacing: .15em; text-transform: uppercase; color: var(--clay); display: block; margin-bottom: .4rem; } .part-head h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); margin: 0 0 .4rem; font-weight: 700; letter-spacing: -0.02em; padding-bottom: .7rem; border-bottom: 2px solid var(--ink); } .part-head p { margin: .7rem 0 0; color: var(--ink-3); font-size: .98rem; } section.s { max-width: 720px; margin: 0 0 4rem; scroll-margin-top: 1.5rem; } section.s h3 { font-size: clamp(1.28rem, 2.6vw, 1.6rem); margin: 0 0 .9rem; font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; } section.s h4 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 1rem; font-weight: 600; margin: 2rem 0 .6rem; color: var(--ink); } section.s p { margin: 0 0 1rem; } section.s ul, section.s ol { padding-left: 1.2rem; } section.s li { margin-bottom: .55rem; } /* Components: analogy callout, note, flow diagram, box grids, tables, glossary */ .analogy { position: relative; background: var(--card); border: 1px solid var(--rule); border-radius: 2px; padding: 1.5rem 1.5rem 1.3rem; margin: 1.6rem 0; box-shadow: 3px 3px 0 var(--paper-2); } .analogy::before { content: "Think of it like this"; position: absolute; top: -.72rem; left: 1.2rem; background: var(--mustard); color: #fff; font-family: 'Bricolage Grotesque', sans-serif; font-weight: 600; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: .2rem .6rem; } .analogy p:last-child { margin-bottom: 0; } .analogy p { font-style: italic; color: var(--ink-2); } .note { border-left: 3px solid var(--cobalt); background: rgba(47,93,209,.05); padding: .9rem 1.1rem; margin: 1.4rem 0; font-size: .97rem; color: var(--ink-2); } .note strong { color: var(--ink); } .note.warn { border-left-color: var(--clay); background: rgba(168,80,60,.06); } .flow { background: var(--card); border: 1px solid var(--rule); border-radius: 2px; padding: 1.2rem 1.3rem; margin: 1.4rem 0; font-family: 'Bricolage Grotesque', sans-serif; font-size: .92rem; color: var(--ink-2); } .flow div { padding: .28rem 0; } .flow .ar { color: var(--cobalt); font-weight: 600; padding-left: .4rem; } .two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.4rem 0; } .three { display: grid; grid-template-columns: repeat(3,1fr); gap: .85rem; margin: 1.4rem 0; } .box { background: var(--card); border: 1px solid var(--rule); border-radius: 2px; padding: 1.1rem 1.15rem; } .box h5 { margin: 0 0 .5rem; font-family: 'Bricolage Grotesque', sans-serif; font-size: .88rem; font-weight: 600; color: var(--cobalt); } .box.m h5 { color: var(--mustard); } .box.c h5 { color: var(--clay); } .box p { margin: 0; font-size: .93rem; color: var(--ink-2); } table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-size: .93rem; } th, td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--rule); vertical-align: top; } th { font-family: 'Bricolage Grotesque', sans-serif; font-size: .76rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); border-bottom: 2px solid var(--ink); } td { color: var(--ink-2); } td strong { color: var(--ink); font-weight: 600; } tr:last-child td { border-bottom: none; } .glossary { background: var(--paper-2); border: 1px solid var(--rule); padding: 1.2rem 1.3rem; margin: 1.5rem 0; } .glossary dt { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 600; font-size: .94rem; margin-top: .8rem; color: var(--ink); } .glossary dt:first-child { margin-top: 0; } .glossary dd { margin: .15rem 0 0; font-size: .94rem; color: var(--ink-2); } .footer { max-width: 720px; margin: 0; padding-top: 1.6rem; border-top: 1px solid var(--rule); color: var(--ink-3); font-size: .88rem; } @media (max-width: 680px) { .two, .three { grid-template-columns: 1fr; } } @media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .rail { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--rule); padding: 1.8rem 6vw; } .layout main { padding: 2.2rem 6vw; } }