/* ============================================================ DeCoN-PINN — academic serif web system Adapted from the colloquium deck for long-form reading. Tokens: light (paper) / dark, plus two layout DIRECTIONS toggled via [data-dir="a" | "b"] on . ============================================================ */ /* ---------- Fonts ---------- */ :root { --font-display: "EB Garamond", "Times New Roman", serif; --font-body: "Source Serif 4", Georgia, serif; --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace; } /* ---------- Color: light (paper) ---------- */ :root, html[data-theme="light"] { --paper: #f4f0e6; --paper-2: #ece5d4; --surface: #faf7ef; --surface-2: #f0ebdd; --ink: #1a1612; --ink-2: #3d362c; --ink-3: #6b5f4f; --ink-4: #938671; --rule: #cbc0a8; --rule-soft: #ddd3bd; --accent: #8b2b2b; /* oxblood */ --accent-2: #b8574e; --accent-wash:#efe2d7; --chip: #e6dfca; --shadow: 0 1px 2px rgba(60,46,28,.05), 0 18px 40px -28px rgba(60,46,28,.30); --shadow-sm: 0 1px 2px rgba(60,46,28,.06), 0 8px 22px -16px rgba(60,46,28,.28); color-scheme: light; } /* ---------- Color: dark ---------- */ html[data-theme="dark"] { --paper: #13110e; --paper-2: #1a1713; --surface: #1c1814; --surface-2: #221d18; --ink: #ece5d5; --ink-2: #c8c0ae; --ink-3: #938872; --ink-4: #6f6655; --rule: #3a342a; --rule-soft: #2a251d; --accent: #db8d7c; --accent-2: #e6a597; --accent-wash:#2a201b; --chip: #251f18; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 24px 50px -30px rgba(0,0,0,.7); --shadow-sm: 0 1px 2px rgba(0,0,0,.4), 0 10px 26px -18px rgba(0,0,0,.6); color-scheme: dark; } /* ============================================================ PALETTES — override the color tokens. Ember (warm/oxblood) is the base :root/dark above. The rest cool the neutrals and use a more energetic accent. Selected via [data-palette] on . ============================================================ */ /* ---- Cobalt ---- */ html[data-palette="cobalt"] { --paper:#eef0f4; --paper-2:#e4e7ed; --surface:#f8f9fb; --surface-2:#eceef3; --ink:#121620; --ink-2:#2c3340; --ink-3:#586375; --ink-4:#88909f; --rule:#ccd2dc; --rule-soft:#dde1e9; --accent:#2257d6; --accent-2:#4f7bef; --accent-wash:#e4ebfb; --chip:#e3e7ef; } html[data-palette="cobalt"][data-theme="dark"] { --paper:#0d1017; --paper-2:#141926; --surface:#161c28; --surface-2:#1d2431; --ink:#e8ebf3; --ink-2:#c3cad7; --ink-3:#8b94a4; --ink-4:#6a7384; --rule:#2b3343; --rule-soft:#1e2530; --accent:#5d92ff; --accent-2:#84adff; --accent-wash:#16213b; --chip:#1a2130; } /* ---- Emerald ---- */ html[data-palette="emerald"] { --paper:#ecf1ef; --paper-2:#dfe8e3; --surface:#f5f9f7; --surface-2:#e8efeb; --ink:#0f1f19; --ink-2:#283f36; --ink-3:#536860; --ink-4:#86978d; --rule:#ccd8d1; --rule-soft:#dce5df; --accent:#0e9268; --accent-2:#13ac7e; --accent-wash:#ddf0e8; --chip:#e1ebe5; } html[data-palette="emerald"][data-theme="dark"] { --paper:#0a130f; --paper-2:#111d17; --surface:#13211a; --surface-2:#1a2820; --ink:#e2efe9; --ink-2:#bcccc4; --ink-3:#849188; --ink-4:#63726a; --rule:#243029; --rule-soft:#19231d; --accent:#22d49b; --accent-2:#5ce3b7; --accent-wash:#0f241b; --chip:#15221b; } /* ---- Indigo ---- */ html[data-palette="indigo"] { --paper:#f0eef6; --paper-2:#e6e3ef; --surface:#f8f7fc; --surface-2:#edebf4; --ink:#15131f; --ink-2:#312d41; --ink-3:#5e5874; --ink-4:#8b86a1; --rule:#d4cee1; --rule-soft:#e0dced; --accent:#5b34e6; --accent-2:#7d5cf0; --accent-wash:#e9e3fc; --chip:#e7e3f2; } html[data-palette="indigo"][data-theme="dark"] { --paper:#0f0c18; --paper-2:#171324; --surface:#1a1528; --surface-2:#221c32; --ink:#ece8f5; --ink-2:#c7c1d7; --ink-3:#8f89a3; --ink-4:#6d6783; --rule:#292340; --rule-soft:#1d1830; --accent:#9c82ff; --accent-2:#b6a3ff; --accent-wash:#1d1634; --chip:#1c1831; } /* ---- Coral ---- */ html[data-palette="coral"] { --paper:#f3f1ee; --paper-2:#eae5df; --surface:#faf8f5; --surface-2:#f0ece7; --ink:#1c1714; --ink-2:#3b332d; --ink-3:#6b6057; --ink-4:#978c81; --rule:#d9cfc7; --rule-soft:#e5ded6; --accent:#e2492b; --accent-2:#f06b48; --accent-wash:#fbe5dd; --chip:#ece4dc; } html[data-palette="coral"][data-theme="dark"] { --paper:#140f0d; --paper-2:#1d1714; --surface:#201916; --surface-2:#28201c; --ink:#f0e9e4; --ink-2:#cdc3bb; --ink-3:#94897f; --ink-4:#6f655c; --rule:#332a25; --rule-soft:#241d19; --accent:#ff7350; --accent-2:#ff9472; --accent-wash:#2a1812; --chip:#221a15; } /* Direction B accent behavior handled in the Direction B section below. */ /* ---------- Reset ---------- */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } } body { margin: 0; background: var(--paper); color: var(--ink-2); font-family: var(--font-body); font-size: 19px; line-height: 1.68; font-feature-settings: "onum" 1; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; transition: background .35s ease, color .35s ease; } img { max-width: 100%; display: block; } a { color: inherit; } ::selection { background: var(--accent); color: var(--paper); } /* paper grain — barely-there texture so flat fills read as stock */ body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .5; background-image: radial-gradient(rgba(120,100,70,.04) 1px, transparent 1px); background-size: 3px 3px; } html[data-theme="dark"] body::before { opacity: .4; background-image: radial-gradient(rgba(255,240,210,.025) 1px, transparent 1px); } /* ============================================================ Reading progress bar ============================================================ */ .progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 90; background: transparent; } .progress__fill { height: 100%; width: 0%; background: var(--accent); transition: width .08s linear; } /* ============================================================ Header ============================================================ */ .site-header { position: sticky; top: 0; z-index: 80; background: color-mix(in oklab, var(--paper) 86%, transparent); backdrop-filter: saturate(1.3) blur(14px); border-bottom: 1px solid var(--rule-soft); } .site-header__inner { max-width: 1480px; margin: 0 auto; padding: 0 32px; height: 66px; display: flex; align-items: center; gap: 28px; } .wordmark { display: inline-flex; align-items: baseline; gap: 2px; font-family: var(--font-display); font-size: 25px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); text-decoration: none; white-space: nowrap; } .wordmark .pinn { color: var(--accent); font-style: italic; } .wordmark .mark-dot { color: var(--accent); } .site-nav { display: flex; align-items: center; gap: 26px; margin-left: 14px; } .site-nav a { font-family: var(--font-body); font-size: 15px; letter-spacing: .02em; color: var(--ink-3); text-decoration: none; padding: 6px 0; position: relative; transition: color .18s ease; } .site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px; background: var(--accent); transition: right .22s ease; } .site-nav a:hover { color: var(--ink); } .site-nav a:hover::after { right: 0; } .site-nav a.current { color: var(--ink); } .site-nav a.current::after { right: 0; background: var(--rule); } .header-tools { margin-left: auto; display: flex; align-items: center; gap: 10px; } /* segmented toggle (theme + direction) */ .seg { display: inline-flex; align-items: center; background: var(--surface-2); border: 1px solid var(--rule-soft); border-radius: 100px; padding: 3px; } .seg button { appearance: none; border: 0; background: transparent; color: var(--ink-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding: 6px 12px; border-radius: 100px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: color .18s ease, background .18s ease; } .seg button.on { background: var(--ink); color: var(--paper); } html[data-theme="dark"] .seg button.on { background: var(--accent); color: #1a1410; } .seg button:not(.on):hover { color: var(--ink); } .seg .ico { width: 13px; height: 13px; display: inline-block; } /* palette swatch dots */ .palette-dots { display: inline-flex; align-items: center; gap: 8px; padding: 0 6px 0 2px; margin-right: 2px; } .palette-dots button { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0,0,0,.22); background: var(--sw); cursor: pointer; padding: 0; transition: transform .15s ease, box-shadow .15s ease; } html[data-theme="dark"] .palette-dots button { border-color: rgba(255,255,255,.25); } .palette-dots button:hover { transform: scale(1.18); } .palette-dots button.on { box-shadow: 0 0 0 2px var(--paper), 0 0 0 3.5px var(--sw); } .menu-btn { display: none; } /* ============================================================ Layout — three rails ============================================================ */ .layout { max-width: 1480px; margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 272px minmax(0, 1fr) 240px; gap: 56px; align-items: start; position: relative; z-index: 1; } .rail { position: sticky; top: 90px; align-self: start; max-height: calc(100vh - 110px); overflow-y: auto; overscroll-behavior: contain; padding-bottom: 40px; scrollbar-width: thin; scrollbar-color: var(--rule) transparent; } .rail::-webkit-scrollbar { width: 8px; } .rail::-webkit-scrollbar-thumb { background: var(--rule-soft); border-radius: 8px; } /* ---------- Curriculum TOC (left) ---------- */ .curriculum { padding-top: 54px; } .curriculum__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-4); margin: 0 0 18px 2px; } .toc-group { margin-bottom: 6px; border-top: 1px solid var(--rule-soft); } .toc-group:first-of-type { border-top: 0; } .toc-group__head { width: 100%; text-align: left; appearance: none; background: transparent; border: 0; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 14px 2px; font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--ink); } .toc-group__num { font-family: var(--font-mono); font-size: 11px; font-weight: 500; color: var(--accent); letter-spacing: .04em; } .toc-group__chev { margin-left: auto; color: var(--ink-4); transition: transform .22s ease; flex: none; } .toc-group[open] .toc-group__chev { transform: rotate(90deg); } .toc-group__head:hover { color: var(--accent); } .toc-list { list-style: none; margin: 0 0 12px 0; padding: 0 0 0 2px; } .toc-list li { position: relative; } .toc-list a { display: block; text-decoration: none; color: var(--ink-3); font-size: 14.5px; line-height: 1.4; padding: 7px 10px 7px 18px; border-left: 2px solid var(--rule-soft); transition: color .16s ease, border-color .16s ease; } .toc-list a:hover { color: var(--ink); border-color: var(--ink-3); } .toc-list a.active { color: var(--accent); border-color: var(--accent); font-weight: 600; } .toc-list .lnum { font-family: var(--font-mono); font-size: 11px; color: var(--ink-4); margin-right: 8px; } .toc-list a.active .lnum { color: var(--accent); } /* ---------- Right rail: on-this-page + meta ---------- */ .aside-rail { padding-top: 54px; } .onthispage__label, .meta-block__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-4); margin: 0 0 14px 0; } .onthispage ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--rule-soft); } .onthispage a { display: block; text-decoration: none; font-size: 14px; line-height: 1.35; color: var(--ink-3); padding: 6px 0 6px 16px; margin-left: -1px; border-left: 2px solid transparent; transition: color .16s ease, border-color .16s ease; } .onthispage a:hover { color: var(--ink); } .onthispage a.active { color: var(--accent); border-color: var(--accent); } .meta-block { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--rule-soft); } .meta-row { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-3); margin-bottom: 12px; } .meta-row .ico { width: 15px; height: 15px; color: var(--ink-4); flex: none; } .action-btn { appearance: none; background: transparent; border: 1px solid var(--rule); color: var(--ink-2); font-family: var(--font-body); font-size: 14px; border-radius: 100px; padding: 8px 16px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all .18s ease; } .action-btn .ico { width: 15px; height: 15px; } .action-btn:hover { border-color: var(--ink-3); color: var(--ink); } .action-btn.on { background: var(--accent-wash); border-color: var(--accent); color: var(--accent); } .action-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; } /* ============================================================ Article ============================================================ */ .article { padding: 54px 0 0; min-width: 0; } .article__inner { max-width: 680px; } .lesson-badge { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 26px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; } .lesson-badge .sec { color: var(--accent); border: 1px solid var(--accent); border-radius: 100px; padding: 5px 13px; } .lesson-badge .part { color: var(--ink-4); } .eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); margin: 0 0 18px; } .lesson-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(40px, 5.4vw, 64px); line-height: 1.04; letter-spacing: -.018em; color: var(--ink); margin: 0 0 26px; text-wrap: balance; } .lesson-title em { font-style: italic; color: var(--accent); } .dek { font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 28px); font-style: italic; line-height: 1.4; color: var(--ink-3); margin: 0 0 34px; max-width: 38ch; text-wrap: pretty; } .byline { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; padding: 18px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); font-size: 14.5px; color: var(--ink-3); margin-bottom: 46px; } .byline .who { color: var(--ink); font-weight: 600; } .byline .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--rule); } .byline .ico { width: 15px; height: 15px; vertical-align: -2px; margin-right: 6px; color: var(--ink-4); } /* ---------- Prose ---------- */ .prose { font-size: 19px; line-height: 1.72; color: var(--ink-2); } .prose > p { margin: 0 0 26px; } .prose > p:first-of-type::first-letter { font-family: var(--font-display); font-weight: 600; float: left; font-size: 4.4em; line-height: .82; padding: 6px 14px 0 0; color: var(--accent); } .prose strong { color: var(--ink); font-weight: 600; } .prose em { font-style: italic; } .prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid color-mix(in oklab, var(--accent) 35%, transparent); transition: border-color .16s ease; } .prose a:hover { border-color: var(--accent); } .prose h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(28px, 3.4vw, 38px); line-height: 1.12; letter-spacing: -.012em; color: var(--ink); margin: 60px 0 22px; text-wrap: balance; scroll-margin-top: 96px; } .prose h2 .h2-num { font-family: var(--font-mono); font-size: .42em; font-weight: 500; color: var(--accent); letter-spacing: .04em; vertical-align: middle; margin-right: 16px; } .prose h3 { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: clamp(22px, 2.6vw, 27px); line-height: 1.2; color: var(--ink); margin: 42px 0 16px; scroll-margin-top: 96px; } .prose ul, .prose ol { margin: 0 0 26px; padding: 0; list-style: none; } .prose li { margin: 0 0 14px; padding-left: 34px; position: relative; } .prose ul > li::before { content: ""; position: absolute; left: 6px; top: .72em; width: 7px; height: 7px; border: 1.5px solid var(--accent); border-radius: 50%; } .prose ol { counter-reset: li; } .prose ol > li { counter-increment: li; } .prose ol > li::before { content: counter(li); position: absolute; left: 0; top: .04em; font-family: var(--font-mono); font-size: .8em; color: var(--accent); font-weight: 500; } hr.rule { border: 0; height: 1px; background: var(--rule); margin: 48px 0; } .dingbat { text-align: center; color: var(--accent); font-family: var(--font-display); font-size: 26px; letter-spacing: .5em; margin: 44px 0; user-select: none; } /* ============================================================ Callouts ============================================================ */ .callout { margin: 38px 0; padding: 26px 30px; border-radius: 4px; background: var(--surface); border: 1px solid var(--rule-soft); box-shadow: var(--shadow-sm); } .callout__label { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; } .callout__label .ico { width: 15px; height: 15px; } .callout p { margin: 0 0 12px; font-size: 18px; } .callout p:last-child { margin-bottom: 0; } /* analogy / aside — warmer, quote-like */ .callout.aside { background: transparent; border: 0; border-left: 2px solid var(--accent); border-radius: 0; box-shadow: none; padding: 6px 0 6px 28px; font-family: var(--font-display); } .callout.aside p { font-size: 21px; font-style: italic; color: var(--ink); line-height: 1.45; } .callout.aside .callout__label { font-family: var(--font-mono); font-style: normal; } /* key takeaways */ .takeaways { margin: 50px 0 40px; padding: 34px 38px; border-radius: 6px; background: var(--accent-wash); border: 1px solid color-mix(in oklab, var(--accent) 24%, transparent); } .takeaways__head { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; flex-wrap: nowrap; } .takeaways__head .ico { flex: none; } .takeaways__head .ico { width: 22px; height: 22px; color: var(--accent); } .takeaways__head h3 { margin: 0; font-family: var(--font-display); font-style: normal; font-weight: 600; font-size: 26px; color: var(--ink); flex: 1 1 auto; min-width: 0; line-height: 1.1; } .takeaways ul { list-style: none; margin: 0; padding: 0; } .takeaways li { position: relative; padding: 0 0 16px 32px; margin: 0 0 16px; border-bottom: 1px dashed color-mix(in oklab, var(--accent) 26%, transparent); font-size: 18px; color: var(--ink-2); } .takeaways li:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; } .takeaways li::before { content: ""; position: absolute; left: 4px; top: .42em; width: 9px; height: 9px; background: var(--accent); border-radius: 50%; } .takeaways li strong { color: var(--ink); } /* ============================================================ Equation block ============================================================ */ .equation { margin: 34px 0; background: var(--surface); border: 1px solid var(--rule-soft); border-left: 3px solid var(--accent); border-radius: 4px; padding: 26px 32px; display: flex; flex-direction: column; gap: 14px; } .equation .eq-body { font-family: var(--font-mono); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.5; color: var(--ink); overflow-x: auto; letter-spacing: -.01em; padding: 2px 4px; max-width: 100%; } .equation .eq-note { font-family: var(--font-display); font-style: italic; font-size: 16px; color: var(--ink-3); } .equation .eq-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); } .m { font-family: var(--font-mono); font-feature-settings: "ss01" 1; } .var { font-family: var(--font-display); font-style: italic; color: var(--ink); } /* ============================================================ Figure placeholder ============================================================ */ .figure { margin: 40px 0; } .figure__frame { position: relative; border: 1px solid var(--rule); border-radius: 6px; background: repeating-linear-gradient( 135deg, transparent 0, transparent 11px, color-mix(in oklab, var(--ink-4) 14%, transparent) 11px, color-mix(in oklab, var(--ink-4) 14%, transparent) 12px ), var(--surface-2); aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; overflow: hidden; } .figure__tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); background: var(--paper); border: 1px solid var(--rule); border-radius: 100px; padding: 8px 18px; } .figure figcaption { margin-top: 14px; font-family: var(--font-body); font-style: italic; font-size: 15px; color: var(--ink-3); padding-left: 2px; } .figure figcaption .fnum { font-family: var(--font-mono); font-style: normal; color: var(--accent); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; margin-right: 10px; } /* ============================================================ Pager (prev / next) ============================================================ */ .pager { margin: 64px 0 0; padding-top: 40px; border-top: 1px solid var(--rule); display: grid; grid-template-columns: 1fr 1fr; gap: 20px; } .pager a { text-decoration: none; display: block; padding: 22px 24px; border: 1px solid var(--rule-soft); border-radius: 6px; background: var(--surface); transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease; } .pager a:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-sm); } .pager .dir { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 8px; } .pager .ptitle { font-family: var(--font-display); font-size: 21px; color: var(--ink); line-height: 1.2; } .pager a.next { text-align: right; } .pager a.prev:only-child { grid-column: 1; } /* ============================================================ Footer ============================================================ */ .site-footer { margin-top: 90px; border-top: 1px solid var(--rule); background: var(--paper-2); position: relative; z-index: 1; } .site-footer__inner { max-width: 1480px; margin: 0 auto; padding: 56px 32px 44px; display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; } .site-footer h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-4); margin: 0 0 16px; } .site-footer p { font-size: 16px; color: var(--ink-3); margin: 0 0 14px; max-width: 42ch; } .site-footer ul { list-style: none; margin: 0; padding: 0; } .site-footer li { margin-bottom: 10px; } .site-footer a { color: var(--ink-2); text-decoration: none; font-size: 16px; transition: color .16s ease; } .site-footer a:hover { color: var(--accent); } .footer-word { font-family: var(--font-display); font-size: 24px; font-weight: 600; color: var(--ink); margin-bottom: 12px; } .footer-word .pinn { color: var(--accent); font-style: italic; } .footer-base { border-top: 1px solid var(--rule-soft); margin-top: 8px; } .footer-base__inner { max-width: 1480px; margin: 0 auto; padding: 22px 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 14px; color: var(--ink-4); font-family: var(--font-mono); letter-spacing: .03em; } /* ============================================================ DIRECTION B — "Field Notes" overrides Asymmetric, numbered, margin-note flavored, cooler structure. ============================================================ */ /* Ember-only warm shift in Field Notes; neutral palettes keep their accent */ html[data-dir="b"][data-palette="ember"] { --accent: #9a4221; /* burnt sienna shift in light */ --accent-2: #c06a3e; --accent-wash:#efe1d4; } html[data-dir="b"][data-palette="ember"][data-theme="dark"] { --accent: #e0a06f; --accent-2: #ecbd92; --accent-wash:#2a201a; } html[data-dir="b"] .article__inner { max-width: 760px; } /* Direction B drops the drop-cap for a flush, reportorial open */ html[data-dir="b"] .prose > p:first-of-type::first-letter { font-family: inherit; float: none; font-size: inherit; line-height: inherit; padding: 0; color: inherit; font-weight: inherit; } html[data-dir="b"] .prose > p:first-of-type { font-size: 22px; line-height: 1.6; color: var(--ink); } /* Big numbered section heads */ html[data-dir="b"] .prose h2 { border-top: 1px solid var(--rule); padding-top: 26px; display: grid; grid-template-columns: auto 1fr; gap: 0 22px; align-items: start; } html[data-dir="b"] .prose h2 .h2-num { font-size: .9em; display: inline-block; margin: 0; padding-top: .12em; } /* Title treatment: left ruled, smaller dek measure */ html[data-dir="b"] .lesson-title { font-weight: 500; letter-spacing: -.022em; } html[data-dir="b"] .lesson-badge .sec { border-radius: 3px; background: var(--accent); color: var(--paper); border-color: var(--accent); } html[data-theme="dark"][data-dir="b"] .lesson-badge .sec { color: #1a1410; } /* Asides become right-margin notes on wide screens */ @media (min-width: 1180px) { html[data-dir="b"] .callout.aside { float: right; clear: right; width: 230px; margin: 6px -290px 22px 0; padding: 0 0 0 16px; border-left: 2px solid var(--accent); } html[data-dir="b"] .callout.aside p { font-size: 15px; font-style: normal; line-height: 1.4; color: var(--ink-2); } html[data-dir="b"] .callout.aside .callout__label { font-size: 10px; } } /* Direction B: equation blocks centered, no left bar — more formal */ html[data-dir="b"] .equation { border-left: 1px solid var(--rule-soft); border-top: 2px solid var(--accent); align-items: center; text-align: center; } /* Direction B hides the drop-cap accent on takeaways head icon emphasis—keep */ /* ============================================================ Responsive ============================================================ */ @media (max-width: 1180px) { .layout { grid-template-columns: 248px minmax(0,1fr); gap: 44px; } .aside-rail { display: none; } } @media (max-width: 880px) { .site-header__inner { padding: 0 14px; gap: 10px; } .site-nav { display: none; } .menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--rule); border-radius: 9px; background: var(--surface-2); color: var(--ink); cursor: pointer; margin-left: auto; } .header-tools { margin-left: 0; } /* On phones the header row can't fit the palette dots + direction toggle alongside the theme switch and curriculum button — hide the extras so the row never overflows (color-select stays available on tablet/desktop). */ .header-tools .seg.dir-seg { display: none; } .header-tools .palette-dots { display: none; } .layout { grid-template-columns: minmax(0,1fr); gap: 0; padding: 0 22px; } .rail.curriculum { position: fixed; inset: 0 auto 0 0; width: min(86vw, 340px); max-height: none; background: var(--paper); border-right: 1px solid var(--rule); z-index: 95; padding: 24px 22px 40px; transform: translateX(-102%); transition: transform .3s ease; box-shadow: var(--shadow); } body.nav-open .rail.curriculum { transform: translateX(0); } .nav-scrim { position: fixed; inset: 0; background: rgba(20,16,10,.5); z-index: 94; opacity: 0; pointer-events: none; transition: opacity .3s ease; } body.nav-open .nav-scrim { opacity: 1; pointer-events: auto; } .article { padding-top: 36px; } html[data-dir="b"] .callout.aside { float: none; width: auto; margin: 24px 0; } .site-footer__inner { grid-template-columns: 1fr; gap: 32px; } .footer-base__inner { flex-direction: column; align-items: flex-start; gap: 8px; } .pager { grid-template-columns: 1fr; } } @media (max-width: 880px) { .nav-scrim { display: block; } } @media (min-width: 881px) { .nav-scrim { display: none; } } /* ============================================================ Shared page hero (index + home) + wrappers ============================================================ */ .wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; } .wrap-wide { max-width: 1480px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; } .page-hero { padding: 88px 0 56px; border-bottom: 1px solid var(--rule); } .page-hero .eyebrow { margin-bottom: 22px; } .page-hero h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(48px, 7vw, 92px); line-height: 1.0; letter-spacing: -.022em; color: var(--ink); margin: 0 0 28px; max-width: 16ch; text-wrap: balance; } .page-hero h1 em { font-style: italic; color: var(--accent); } .page-hero .dek { max-width: 60ch; font-size: clamp(20px, 2.4vw, 26px); } /* hub stats strip */ .hub-stats { display: flex; flex-wrap: wrap; gap: 0; margin-top: 40px; border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; background: var(--surface); } .hub-stats .stat-cell { flex: 1 1 0; min-width: 150px; padding: 24px 28px; border-right: 1px solid var(--rule-soft); } .hub-stats .stat-cell:last-child { border-right: 0; } .hub-stats .num { font-family: var(--font-display); font-weight: 600; font-size: 46px; line-height: 1; color: var(--ink); } .hub-stats .num .accent { color: var(--accent); } .hub-stats .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-top: 10px; } /* ---------- Syllabus modules ---------- */ .modules { padding: 30px 0 20px; } .module { display: grid; grid-template-columns: 340px minmax(0,1fr); gap: 56px; padding: 52px 0; border-bottom: 1px solid var(--rule); } .module:last-child { border-bottom: 0; } .module__aside { position: sticky; top: 92px; align-self: start; } .module__num { font-family: var(--font-mono); font-size: 13px; letter-spacing: .18em; color: var(--accent); margin-bottom: 14px; } .module__num .roman { font-family: var(--font-display); font-size: 64px; font-weight: 600; font-style: italic; letter-spacing: 0; color: var(--accent); display: block; line-height: .9; margin-bottom: 12px; } .module__title { font-family: var(--font-display); font-weight: 600; font-size: 30px; line-height: 1.1; color: var(--ink); margin: 0 0 14px; text-wrap: balance; } .module__blurb { font-size: 16px; color: var(--ink-3); margin: 0 0 16px; max-width: 34ch; } .module__meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); } .lesson-list { display: flex; flex-direction: column; } .lesson-row { display: grid; grid-template-columns: 54px minmax(0,1fr) auto; align-items: center; gap: 20px; padding: 20px 18px 20px 6px; text-decoration: none; border-top: 1px solid var(--rule-soft); transition: background .16s ease, padding .18s ease; position: relative; } .lesson-row:first-child { border-top: 0; } .lesson-row::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0; background: var(--accent); transition: width .25s ease; } .lesson-row:hover { background: var(--surface); padding-left: 14px; } .lesson-row:hover::after { width: 100%; } .lesson-row .lrnum { font-family: var(--font-mono); font-size: 14px; color: var(--ink-4); font-variant-numeric: tabular-nums; } .lesson-row:hover .lrnum { color: var(--accent); } .lesson-row .lrtitle { font-family: var(--font-display); font-size: 21px; color: var(--ink); line-height: 1.2; } .lesson-row .lrmeta { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-4); white-space: nowrap; } .lesson-row .lrarrow { color: var(--ink-4); opacity: 0; transform: translateX(-6px); transition: all .2s ease; } .lesson-row:hover .lrarrow { opacity: 1; transform: translateX(0); color: var(--accent); } /* Direction B: modules become a tighter index list */ html[data-dir="b"] .module__num .roman { font-style: normal; font-weight: 500; } html[data-dir="b"] .lesson-row .lrtitle { font-family: var(--font-body); font-size: 19px; } /* ============================================================ Homepage ============================================================ */ .home-hero { padding: 96px 0 30px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 70px; align-items: center; } .home-hero .lede h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(46px, 6vw, 86px); line-height: .98; letter-spacing: -.024em; color: var(--ink); margin: 20px 0 26px; text-wrap: balance; } .home-hero .lede h1 em { font-style: italic; color: var(--accent); } .home-hero .lede p { font-size: clamp(19px, 2.1vw, 23px); color: var(--ink-2); max-width: 46ch; margin: 0 0 34px; line-height: 1.55; } .btn-row { display: flex; flex-wrap: wrap; gap: 14px; } .btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-body); font-size: 17px; text-decoration: none; padding: 14px 26px; border-radius: 100px; border: 1px solid transparent; transition: all .18s ease; } .btn .ico { width: 17px; height: 17px; } .btn-primary { background: var(--accent); color: #faf7ef; } html[data-theme="dark"] .btn-primary { color: #1a1410; } .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); } .btn-ghost { border-color: var(--rule); color: var(--ink); } .btn-ghost:hover { border-color: var(--ink-3); } /* hero result card */ .hero-card { border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow); padding: 36px 38px; } .hero-card .hc-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 22px; } .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; } .compare .cc { } .compare .cc .vs { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; } .compare .cc .big { font-family: var(--font-display); font-weight: 600; font-size: 84px; line-height: .9; letter-spacing: -.02em; color: var(--ink-3); } .compare .cc.win .big { color: var(--accent); } .compare .cc .big .pct { font-size: 36px; vertical-align: 16px; } .compare .cc .cl { font-size: 14px; color: var(--ink-3); margin-top: 10px; line-height: 1.35; } .hero-card .hc-foot { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--rule-soft); font-family: var(--font-mono); font-size: 12px; color: var(--ink-4); line-height: 1.5; } /* generic section */ .section { padding: 80px 0; border-top: 1px solid var(--rule); } .section__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; } .section h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.05; letter-spacing: -.018em; color: var(--ink); margin: 0 0 26px; max-width: 20ch; text-wrap: balance; } .section h2 em { font-style: italic; color: var(--accent); } .section .body-lg { font-size: 20px; color: var(--ink-2); max-width: 62ch; line-height: 1.6; } .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; } .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 50px; } .feature { border: 1px solid var(--rule-soft); border-radius: 8px; padding: 30px 28px; background: var(--surface); transition: border-color .18s ease, transform .18s ease; } .feature:hover { border-color: var(--accent); transform: translateY(-3px); } .feature .fnum { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; color: var(--accent); margin-bottom: 18px; } .feature h3 { font-family: var(--font-display); font-weight: 600; font-size: 24px; color: var(--ink); margin: 0 0 12px; line-height: 1.15; } .feature p { font-size: 16px; color: var(--ink-3); margin: 0; line-height: 1.55; } /* results metrics row */ .metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 46px; border-top: 1px solid var(--rule); } .metric { padding: 32px 30px 32px 0; border-right: 1px solid var(--rule-soft); } .metric:last-child { border-right: 0; padding-right: 0; } .metric .mv { font-family: var(--font-display); font-weight: 600; font-size: clamp(52px, 6vw, 76px); line-height: .92; letter-spacing: -.02em; color: var(--ink); } .metric .mv .accent { color: var(--accent); } .metric .ml { font-size: 16px; color: var(--ink-3); margin-top: 14px; max-width: 28ch; line-height: 1.4; } /* big CTA band */ .cta-band { padding: 84px 0; border-top: 1px solid var(--rule); background: var(--paper-2); } .cta-band .inner { text-align: center; max-width: 760px; margin: 0 auto; } .cta-band h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(36px, 5vw, 60px); line-height: 1.04; letter-spacing: -.02em; color: var(--ink); margin: 0 0 22px; text-wrap: balance; } .cta-band h2 em { font-style: italic; color: var(--accent); } .cta-band p { font-size: 20px; color: var(--ink-3); margin: 0 0 34px; } .cta-band .btn-row { justify-content: center; } @media (max-width: 980px) { .home-hero { grid-template-columns: 1fr; gap: 40px; } .module { grid-template-columns: 1fr; gap: 24px; } .module__aside { position: static; } .two-col { grid-template-columns: 1fr; gap: 36px; } .feature-grid { grid-template-columns: 1fr; } .metrics { grid-template-columns: 1fr; } .metric { border-right: 0; border-bottom: 1px solid var(--rule-soft); padding: 26px 0; } } /* mobile floating curriculum toggle */ .curriculum-fab { display: none; position: fixed; left: 18px; bottom: 18px; z-index: 70; align-items: center; gap: 8px; background: var(--ink); color: var(--paper); border: 0; border-radius: 100px; padding: 12px 18px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; box-shadow: var(--shadow); } @media (max-width: 880px) { .curriculum-fab { display: inline-flex; } }