/* leightonluckey.com — hi-fi homepage
   Restrained: serif body, Inter for UI only, near-monochrome, muted olive accent.
   Variables are driven by TWEAK_DEFAULTS in index.html so the Tweaks panel can mutate them.
*/

:root {
  /* Overridden by JS at runtime — these are fallbacks */
  --paper: oklch(98.2% 0.008 85);
  --ink: oklch(22% 0.012 80);
  --ink-muted: oklch(45% 0.012 80);
  --rule: oklch(85% 0.01 85);
  --accent: oklch(50% 0.06 130);
  --serif: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --body-size: 19px;
  --measure: 640px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--paper);
  color: var(--ink);
}
body {
  font-family: var(--serif);
  font-size: var(--body-size);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "onum";
}

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: color 120ms ease;
}
a:hover { color: var(--accent); }

/* ── site chrome ─────────────────────────────────── */
.site {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 40px 80px;
  min-height: 100vh;
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 20px;
}
.wordmark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: none;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.01em;
  border-bottom: none;
  color: var(--ink);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.current {
  font-weight: 500;
}

/* ── shared prose column ─────────────────────────── */
.prose {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 72px 0 40px;
}
.prose p { margin: 0 0 1em; }

/* ── homepage: classical (default) ───────────────── */
.home-classical .lede {
  font-size: calc(var(--body-size) * 1.18);
  line-height: 1.42;
  letter-spacing: -0.008em;
  margin-bottom: 1.2em;
}
.home-classical .thesis p {
  font-size: var(--body-size);
  line-height: 1.6;
}
.home-classical .modules {
  margin-top: 88px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.home-classical .modules p {
  margin: 0;
  font-size: calc(var(--body-size) * 0.94);
  line-height: 1.5;
}

/* ── homepage: journal ───────────────────────────── */
.label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}
.home-journal { max-width: 680px; }
.home-journal .eyebrow { margin-bottom: 24px; }
.home-journal .lede {
  font-size: calc(var(--body-size) * 1.3);
  line-height: 1.38;
  letter-spacing: -0.01em;
  margin-bottom: 1em;
}
.home-journal .thesis p {
  font-size: var(--body-size);
  line-height: 1.6;
}
.home-journal .index {
  margin-top: 92px;
}
.home-journal .index-label { margin-bottom: 22px; }
.home-journal .idx-row {
  display: grid;
  grid-template-columns: 30px 140px 1fr;
  column-gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.home-journal .idx-row:last-child { border-bottom: 1px solid var(--rule); }
.home-journal .idx-num {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}
.home-journal .idx-key {
  font-size: calc(var(--body-size) * 0.9);
  font-style: italic;
  color: var(--ink);
  border-bottom: none;
  display: inline-block;
  line-height: 1.2;
}
.home-journal .idx-key:hover { color: var(--accent); }
.home-journal .idx-val {
  font-size: calc(var(--body-size) * 0.85);
  line-height: 1.5;
  color: var(--ink);
}

/* ── homepage: asymmetric ────────────────────────── */
.home-asym {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  column-gap: 80px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 72px 0 60px;
}
.home-asym .col-left { max-width: 560px; }
.home-asym .lede {
  font-size: calc(var(--body-size) * 1.22);
  line-height: 1.4;
  letter-spacing: -0.008em;
  margin-bottom: 1.1em;
}
.home-asym .thesis p {
  font-size: calc(var(--body-size) * 0.95);
  line-height: 1.6;
}
.home-asym .col-right { padding-top: 6px; }
.home-asym .col-right .label { margin-bottom: 20px; display: block; }
.home-asym .asym-mod { margin-bottom: 22px; }
.home-asym .asym-mod .k {
  font-size: calc(var(--body-size) * 0.85);
  font-style: italic;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  display: inline-block;
  margin-bottom: 4px;
  line-height: 1.2;
}
.home-asym .asym-mod .k:hover { color: var(--accent); }
.home-asym .asym-mod .v {
  font-size: calc(var(--body-size) * 0.78);
  line-height: 1.5;
  color: var(--ink);
}

/* ── generic inline link inside prose ────────────── */
.prose a, .thesis a, .modules a, .idx-key, .asym-mod .k {
  color: var(--ink);
}

/* ── footer ──────────────────────────────────────── */
.site-foot {
  margin-top: 120px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-muted);
  display: flex;
  justify-content: space-between;
  max-width: var(--measure);
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.02em;
}
.home-asym ~ .site-foot,
body.layout-asym .site-foot {
  max-width: 1040px;
}

/* ── Tweaks panel ────────────────────────────────── */
.tweaks {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 300px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 18px 18px 16px;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
  z-index: 100;
  display: none;
}
.tweaks.open { display: block; }
.tweaks h4 {
  margin: 0 0 14px;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.tweak-row { margin-bottom: 12px; }
.tweak-row > label {
  display: block;
  font-size: 11px;
  color: var(--ink-muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.seg {
  display: flex;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}
.seg button {
  flex: 1;
  background: transparent;
  border: none;
  padding: 6px 4px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink);
  cursor: pointer;
  border-right: 1px solid var(--rule);
  letter-spacing: 0.01em;
}
.seg button:last-child { border-right: none; }
.seg button.active {
  background: var(--ink);
  color: var(--paper);
}
.swatches { display: flex; gap: 8px; }
.swatches button {
  width: 26px; height: 26px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
}
.swatches button.active {
  outline: 1px solid var(--ink);
  outline-offset: 2px;
}
.tweak-row input[type=range] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  background: var(--rule);
  outline: none;
}
.tweak-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}
.tweak-row input[type=range]::-moz-range-thumb {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}
.tweak-row .slider-val {
  font-size: 10px;
  color: var(--ink-muted);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 720px) {
  .site { padding: 24px 24px 60px; }
  .home-asym {
    grid-template-columns: 1fr;
    row-gap: 48px;
  }
  .home-asym .col-right { padding-top: 0; }
  .nav-links { gap: 20px; }
  .tweaks { right: 12px; bottom: 12px; width: calc(100% - 24px); }
  .meta-grid { grid-template-columns: 1fr !important; row-gap: 16px !important; }
}

/* ─────────────────────────────────────────────────
   Page: /work — index of case studies
   ───────────────────────────────────────────────── */
.work-index { max-width: 760px; margin: 0 auto; padding: 64px 0 40px; }
.work-index .page-title {
  font-size: calc(var(--body-size) * 1.5);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.3em;
}
.work-index .page-sub {
  font-size: calc(var(--body-size) * 0.92);
  color: var(--ink-muted);
  font-style: italic;
  margin: 0 0 48px;
}
.work-row {
  display: grid;
  grid-template-columns: 90px 1fr 120px;
  column-gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.work-row:last-child { border-bottom: 1px solid var(--rule); }
.work-row .w-year {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}
.work-row .w-title {
  font-size: calc(var(--body-size) * 0.98);
  font-style: italic;
  display: inline-block;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  line-height: 1.2;
}
.work-row .w-title:hover { color: var(--accent); }
.work-row .w-desc {
  font-size: calc(var(--body-size) * 0.85);
  line-height: 1.5;
  color: var(--ink);
  margin-top: 4px;
}
.work-row .w-client {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-align: right;
}

/* ─────────────────────────────────────────────────
   Case study template
   ───────────────────────────────────────────────── */
.case { max-width: var(--measure); margin: 0 auto; padding: 56px 0 40px; }
.case .crumbs {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-bottom: 28px;
}
.case .crumbs a {
  border-bottom: none;
  color: var(--ink-muted);
}
.case .crumbs a:hover { color: var(--accent); }
.case .case-title {
  font-size: calc(var(--body-size) * 1.75);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0 0 0.35em;
  font-weight: 400;
}
.case .case-sub {
  font-size: calc(var(--body-size) * 1.05);
  font-style: italic;
  color: var(--ink-muted);
  line-height: 1.45;
  margin: 0 0 40px;
  max-width: 560px;
}

/* Meta block — top-block grid under title */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 24px;
  row-gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 0 0 48px;
}
.meta-grid .m-k {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 6px;
  font-weight: 500;
}
.meta-grid .m-v {
  font-size: calc(var(--body-size) * 0.85);
  line-height: 1.4;
  color: var(--ink);
}

/* Prose */
.case .prose-body p {
  font-size: var(--body-size);
  line-height: 1.6;
  margin: 0 0 1.1em;
}
.case h2 {
  font-family: var(--serif);
  font-size: calc(var(--body-size) * 1.25);
  font-weight: 500;
  letter-spacing: -0.008em;
  margin: 2.2em 0 0.6em;
  line-height: 1.3;
}
.case h3 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
  margin: 2em 0 0.8em;
}

/* Pull quote */
.pullquote {
  margin: 2.4em -40px;
  padding: 0 40px;
  font-size: calc(var(--body-size) * 1.25);
  line-height: 1.35;
  font-style: italic;
  letter-spacing: -0.008em;
  color: var(--ink);
  border-left: 2px solid var(--accent);
  padding-left: 28px;
  margin-left: -30px;
}
.pullquote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--sans);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.pullquote cite::before { content: '— '; }

/* Figure — placeholders */
.figure {
  margin: 2.2em 0 2.4em;
}
.figure.wide {
  margin-left: calc(50% - 50vw + 40px);
  margin-right: calc(50% - 50vw + 40px);
  max-width: calc(100vw - 80px);
}
@media (min-width: 1100px) {
  .figure.wide {
    margin-left: calc((var(--measure) - 900px) / 2);
    margin-right: calc((var(--measure) - 900px) / 2);
    max-width: 900px;
  }
}
.fig-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(
      135deg,
      oklch(94% 0.004 85) 0 8px,
      oklch(96% 0.004 85) 8px 16px
    );
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fig-placeholder.portrait { aspect-ratio: 4 / 5; }
.fig-placeholder.square { aspect-ratio: 1 / 1; }
.figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}
.figure .fig-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.figure .fig-pair img { border: 1px solid var(--rule); }
@media (max-width: 620px) {
  .figure .fig-pair { grid-template-columns: 1fr; }
}
.fig-placeholder .fig-slug {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  background: var(--paper);
  padding: 6px 10px;
  border: 1px solid var(--rule);
}
.figure figcaption {
  margin-top: 12px;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}

/* Section rule (between parts of a case study) */
.section-rule {
  display: block;
  border: none;
  height: 1px;
  background: var(--rule);
  margin: 3em auto;
  width: 80px;
}

/* Chapter nav — prev/next */
.chapter-nav {
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
}
.chapter-nav .cn-slot { min-width: 0; }
.chapter-nav .cn-slot.next { text-align: right; }
.chapter-nav .cn-label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.chapter-nav .cn-title {
  font-size: calc(var(--body-size) * 0.95);
  font-style: italic;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  display: inline-block;
  line-height: 1.3;
}
.chapter-nav .cn-title:hover { color: var(--accent); }

/* Chapter overview list (on /work/bswh overview) */
.chapter-list {
  margin-top: 40px;
  border-top: 1px solid var(--rule);
}
.chapter-list .ch-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  column-gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.chapter-list .ch-num {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  padding-top: 4px;
}
.chapter-list .ch-title {
  font-size: calc(var(--body-size) * 1.08);
  font-style: italic;
  display: inline-block;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  line-height: 1.25;
  margin-bottom: 6px;
}
.chapter-list .ch-title:hover { color: var(--accent); }
.chapter-list .ch-desc {
  font-size: calc(var(--body-size) * 0.88);
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
}

/* Simple content template (About, Writing, Earlier) */
.simple { max-width: var(--measure); margin: 0 auto; padding: 56px 0 40px; }
.simple .page-title {
  font-size: calc(var(--body-size) * 1.55);
  line-height: 1.2;
  letter-spacing: -0.012em;
  margin: 0 0 0.3em;
  font-weight: 400;
}
.simple .page-sub {
  font-size: calc(var(--body-size) * 0.95);
  color: var(--ink-muted);
  font-style: italic;
  margin: 0 0 40px;
}
.simple p {
  font-size: var(--body-size);
  line-height: 1.6;
  margin: 0 0 1.1em;
}
.simple .contact {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: calc(var(--body-size) * 0.9);
  line-height: 1.6;
  color: var(--ink);
}
.simple .contact .k {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: inline-block;
  width: 80px;
}

/* Case study table of contents */
.case-toc {
  margin: 0 0 44px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
}
.case-toc .toc-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
  margin-bottom: 14px;
}
.case-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.case-toc li {
  counter-increment: toc;
  display: grid;
  grid-template-columns: 22px 1fr;
  column-gap: 14px;
  align-items: baseline;
}
.case-toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}
.case-toc a {
  font-size: 14px;
  color: var(--ink);
  border-bottom: none;
  font-family: var(--serif);
  font-style: italic;
  line-height: 1.35;
}
.case-toc a:hover { color: var(--accent); }

/* scroll offset so anchor targets don't sit under nothing */
.case h2[id] { scroll-margin-top: 40px; }

/* Editorial TK / placeholder annotation */
.tk {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  font-style: normal;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 1px 6px;
  margin-left: 4px;
  white-space: nowrap;
}

/* Call to action at end of case study */
.case-cta {
  margin-top: 3em;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  font-size: calc(var(--body-size) * 0.95);
  line-height: 1.55;
  color: var(--ink);
}
.writing-row {
  display: grid;
  grid-template-columns: 80px 1fr 70px;
  column-gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.writing-row:last-child { border-bottom: 1px solid var(--rule); }
.writing-row .w-date {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}
.writing-row .w-kind {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-align: right;
}
.writing-row .w-title {
  font-size: calc(var(--body-size) * 0.98);
  font-style: italic;
  display: inline-block;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  line-height: 1.25;
}
.writing-row .w-title:hover { color: var(--accent); }
.writing-row .w-venue {
  font-size: calc(var(--body-size) * 0.82);
  line-height: 1.5;
  color: var(--ink-muted);
  margin-top: 4px;
}