/* ============================================================
   Case Study — monochrome design system
   Shared styles for portfolio detail pages.
   Aligned with the homepage (index.html) token set.
   ============================================================ */

:root {
  --ink: #111111;
  --text: #333333;
  --muted: #686868;
  --surface: #fafafa;
  --elevated: #f2f2f2;
  --white: #ffffff;
  --line: #d8d8d8;
  --line-soft: #e6e6e6;
  --signal: #d7ff42;

  --radius: 8px;
  --radius-lg: 12px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 20px;
  --space-5: 24px;
  --space-6: 40px;
  --space-7: 64px;
  --space-8: 96px;

  --page: min(calc(100% - 48px), 1200px);
  --measure: 720px;
  --transition: 0.3s ease;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--surface);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--surface);
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 18px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { display: block; max-width: 100%; }

::selection { background: var(--ink); color: var(--white); }

.wrap { width: var(--page); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 1000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--transition);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- Header ---------- */
.site-header {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  border-bottom: 1px solid var(--line);
}

.identity,
.header-link,
.text-link {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.identity { display: flex; align-items: center; gap: var(--space-2); color: var(--ink); }
.identity::before {
  width: 10px;
  height: 10px;
  content: "";
  background: var(--signal);
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.header-link,
.text-link {
  color: var(--muted);
  transition: color var(--transition), opacity var(--transition);
}
.header-link:hover,
.text-link:hover { color: var(--ink); opacity: 0.5; }

/* ---------- Shared type helpers ---------- */
.kicker {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-6);
  margin: 0;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.breadcrumb a { text-decoration: none; transition: color var(--transition), opacity var(--transition); }
.breadcrumb a:hover { color: var(--ink); opacity: 0.5; }
.breadcrumb li { display: flex; align-items: center; gap: var(--space-2); }
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--line); }
.breadcrumb [aria-current="page"] { color: var(--ink); }

/* ---------- Case study hero ---------- */
.cs-hero { padding: var(--space-7) 0 var(--space-6); }
.cs-hero .kicker { max-width: var(--measure); margin: 0 auto var(--space-4); }

.cs-hero h1 {
  max-width: var(--measure);
  margin: 0 auto var(--space-5);
  color: var(--ink);
  font-size: clamp(40px, 5.4vw, 66px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.cs-lead {
  max-width: var(--measure);
  margin: 0 auto;
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.45;
  color: var(--text);
}

/* ---------- Figure / hero media ---------- */
.figure {
  max-width: 900px;
  margin: var(--space-6) auto;
  overflow: hidden;
  background: var(--elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.figure img {
  display: block;
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  margin-inline: auto;
}
.figure video {
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
  margin-inline: auto;
  background: var(--ink);
}
.figure figcaption {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.figure--plain { background: var(--white); }
.figure--pad { padding: var(--space-5); }
.figure--pad img { border-radius: var(--radius); }

/* Embedded prototype (iframe) */
.figure--embed {
  max-width: 900px;
  margin: var(--space-6) auto;
  overflow: hidden;
  background: var(--elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.figure--embed iframe {
  display: block;
  width: 100%;
  height: 460px;
  border: 0;
}
.figure--embed.is-pending {
  min-height: 460px;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

/* Responsive 16:9 video */
.cs-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ink);
}
.cs-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Meta bar (role / timeline / platform) ---------- */
.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-5);
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}
.cs-meta div { margin: 0; }
.cs-meta dt {
  margin: 0 0 var(--space-2);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cs-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.4;
}

/* ---------- Content sections ---------- */
.cs-section {
  padding: var(--space-7) 0;
  border-bottom: 1px solid var(--line-soft);
}
.cs-section:last-of-type { border-bottom: 0; }

.cs-section > .kicker { max-width: var(--measure); margin: 0 auto var(--space-4); }

.cs-section h2 {
  max-width: var(--measure);
  margin: 0 auto var(--space-5);
  color: var(--ink);
  font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.prose { max-width: var(--measure); margin-inline: auto; text-align: left; }
.prose > * { margin-inline: 0; }

.prose h3 {
  margin: var(--space-6) 0 var(--space-3);
  color: var(--ink);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
}
.prose h4 {
  margin: var(--space-5) 0 var(--space-2);
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
}
.prose p { margin: 0 0 var(--space-4); }
.prose ul,
.prose ol { margin: 0 0 var(--space-4); padding-left: 1.25em; }
.prose li { margin-bottom: var(--space-2); }
.prose li::marker { color: var(--muted); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a {
  color: var(--muted);
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.prose a:hover { color: var(--ink); }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }

/* Lead paragraph inside a section */
.cs-section .section-lead {
  max-width: var(--measure);
  margin-inline: auto;
  font-size: clamp(20px, 2.2vw, 22px);
  line-height: 1.5;
  color: var(--ink);
}

/* Confidentiality / disclaimer note above the case study body */
.cs-disclaimer {
  max-width: var(--measure);
  margin: 0 auto var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

/* Vertical rhythm helper for stacked prose/figure blocks */
.block-gap { margin-top: var(--space-6); }
.block-gap-sm { margin-top: var(--space-5); }

/* Small muted inline note */
.cs-note {
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
}

/* Pull-quote */
.cs-quote {
  max-width: var(--measure);
  margin: var(--space-6) auto;
  padding: var(--space-5) var(--space-6);
  background: var(--elevated);
  border-left: 2px solid var(--ink);
  border-radius: var(--radius);
}
.cs-quote p {
  margin: 0 0 var(--space-3);
  color: var(--ink);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.cs-quote cite {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Full-bleed content that needs the wide column ---------- */
.cs-section .wide { max-width: none; }

/* ---------- Image grid ---------- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.media-grid .figure { margin: 0; }
.media-grid--single { grid-template-columns: 1fr; }

/* ---------- Stat / results grid ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.stat {
  padding: var(--space-5);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.stat h3 {
  margin: 0 0 var(--space-2);
  color: var(--ink);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat p { margin: 0; font-size: 16px; line-height: 1.45; }
.stat strong { color: var(--ink); }

/* ---------- Step / feature cards ---------- */
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.step {
  padding: var(--space-5);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-3);
  color: var(--white);
  background: var(--ink);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
}
.step h4 { margin: 0 0 var(--space-2); color: var(--ink); font-size: 18px; font-weight: 600; }
.step p { margin: 0; font-size: 16px; line-height: 1.5; }

/* ---------- Recruiter-first case study template ---------- */
.case-study__container {
  width: var(--page);
  margin-inline: auto;
}

.case-study__container--reading { max-width: var(--measure); }

.case-study__hero { padding: var(--space-7) 0 var(--space-6); }
.case-study__hero .case-study__container { max-width: var(--measure); }

.case-study__eyebrow,
.case-study__section-number,
.decision-card__label {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.case-study__hero h1 {
  margin: 0 0 var(--space-5);
  color: var(--ink);
  font-size: clamp(40px, 5.4vw, 66px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.design-figure.case-study__hero-visual {
  width: var(--page);
  max-width: 1440px;
  margin: var(--space-7) auto 0;
  background: var(--white);
}

.case-study__hero-visual img {
  width: 100%;
  height: auto;
}

.case-study__summary,
.case-study__lead {
  max-width: var(--measure);
  margin: 0;
  color: var(--ink);
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.45;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
  margin: var(--space-6) 0 0;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.project-meta__item { margin: 0; }
.project-meta dt,
.decision-card__details dt {
  margin: 0 0 var(--space-2);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.project-meta dd,
.decision-card__details dd { margin: 0; color: var(--ink); line-height: 1.45; }

.case-study__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-5) 0;
  padding: 0;
  list-style: none;
}
.case-study__tags li {
  padding: 7px 12px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}

.case-study__section {
  padding: var(--space-7) 0;
  border-bottom: 1px solid var(--line-soft);
}
.case-study__section--alternate { background: var(--elevated); }
.case-study__section--impact { color: var(--white); background: var(--ink); }
.case-study__section--impact h2,
.case-study__section--impact h3,
.case-study__section--impact .case-study__lead { color: var(--white); }
.case-study__section--impact .case-study__section-number { color: #bdbdbd; }

.case-study__section h2 {
  max-width: var(--measure);
  margin: 0 0 var(--space-5);
  color: var(--ink);
  font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.case-study__lead { margin-bottom: var(--space-6); }

.summary-grid,
.context-grid,
.ownership-grid,
.insights-grid,
.principles-grid,
.feature-grid,
.impact-grid,
.reflection-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.reflection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.summary-card,
.ownership-card,
.insight-card,
.decision-card,
.impact-card {
  padding: var(--space-5);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.summary-card h3,
.ownership-card h3,
.insight-card h3,
.principles-grid h3,
.feature-grid h3,
.reflection-grid h3 {
  margin: 0 0 var(--space-3);
  color: var(--ink);
  font-size: 20px;
  line-height: 1.3;
}
.summary-card p,
.insight-card p,
.principles-grid p,
.feature-grid p,
.reflection-grid p { margin: 0; }
.ownership-card ul,
.check-list,
.leadership-list,
.qualitative-outcomes ul { margin: 0; padding-left: 1.25em; }
.ownership-card li,
.check-list li,
.leadership-list li,
.qualitative-outcomes li { margin-bottom: var(--space-2); }
.insight-card__number { color: var(--muted); font-size: 13px; font-weight: 600; }

.decision-list { display: grid; gap: var(--space-5); margin-top: var(--space-6); }
.decision-card { padding: var(--space-6); }
.decision-card h3 { margin: 0 0 var(--space-5); color: var(--ink); font-size: 24px; line-height: 1.25; }
.decision-card__details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin: 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.design-figure {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.design-figure img { width: 100%; height: auto; }
.design-figure figcaption { padding: var(--space-4); color: var(--muted); font-size: 15px; }
.design-figure--featured { max-width: 900px; margin: var(--space-6) auto 0; }

.impact-card { color: var(--text); }
.impact-card__metric { display: block; color: var(--ink); font-size: clamp(32px, 4vw, 48px); line-height: 1; }
.impact-card__description { display: block; margin-top: var(--space-3); }
.qualitative-outcomes { max-width: var(--measure); margin-top: var(--space-6); }
.qualitative-outcomes h3 { color: var(--white); }

.research-quote {
  max-width: var(--measure);
  margin: var(--space-6) 0 0;
  padding: var(--space-5) var(--space-6);
  background: var(--white);
  border-left: 2px solid var(--ink);
  border-radius: var(--radius);
}
.research-quote p { margin: 0 0 var(--space-3); color: var(--ink); font-size: 22px; font-weight: 600; }
.research-quote footer { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }

.case-study__footer { padding: var(--space-7) 0; border-top: 1px solid var(--ink); }
.case-study__footer h2 { margin: 0 0 var(--space-3); color: var(--ink); font-size: clamp(28px, 3.2vw, 40px); }
.case-study__footer p { max-width: var(--measure); }
.case-study__footer .btn { margin: var(--space-4) var(--space-3) 0 0; }

/* ---------- Code snippet ---------- */
.code-block {
  max-width: var(--measure);
  margin: var(--space-5) auto 0;
  overflow: hidden;
  text-align: left;
  background: var(--ink);
  border-radius: var(--radius-lg);
}
.code-block .code-title {
  padding: var(--space-3) var(--space-4);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.code-block pre {
  margin: 0;
  padding: var(--space-4);
  overflow-x: auto;
  color: #eaeaea;
  font-family: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- Buttons / links ---------- */
.cs-section > p:has(> .btn) {
  max-width: var(--measure);
  margin: var(--space-5) auto 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--transition), box-shadow var(--transition);
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { opacity: 0.5; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }

.btn--ghost {
  color: var(--ink);
  background: transparent;
}
.btn--ghost:hover { background: var(--elevated); opacity: 1; box-shadow: none; }

/* ---------- Next projects ---------- */
.more-work {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--ink);
}
.more-work .section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.more-work h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
}
.more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.more-card { text-decoration: none; color: inherit; }
.more-card .more-media {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 11;
  padding: var(--space-5);
  background: var(--elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.more-card .more-media img {
  width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: opacity var(--transition), transform var(--transition);
}
.more-card:hover .more-media { box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.more-card:hover .more-media img { opacity: 0.5; transform: scale(1.01); }
.more-card h3 {
  margin: var(--space-4) 0 var(--space-2);
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.25;
}
.more-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.more-card .more-tag { display: block; margin-bottom: var(--space-1); }

/* ---------- Footer ---------- */
.site-footer {
  min-height: 200px;
  padding: var(--space-6) 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: space-between;
  gap: var(--space-6);
  border-top: 1px solid var(--ink);
}
.footer-title {
  max-width: 20ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.footer-meta {
  align-self: end;
  text-align: right;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Focus ---------- */
:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 1000;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: var(--ink);
  border-radius: 50%;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), box-shadow var(--transition);
}
.to-top.is-visible { opacity: 1; visibility: visible; }
.to-top:hover { box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.to-top svg { width: 20px; height: 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cs-meta { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: 1fr; }
  .more-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .project-meta,
  .summary-grid,
  .context-grid,
  .ownership-grid,
  .insights-grid,
  .principles-grid,
  .feature-grid,
  .impact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 630px) {
  :root { --page: min(calc(100% - 32px), 1200px); }
  .site-header { min-height: 68px; }
  .cs-hero { padding: var(--space-6) 0; }
  .cs-section { padding: var(--space-6) 0; }
  .more-work, .cs-section:first-of-type { }
  .media-grid { grid-template-columns: 1fr; }
  .cs-meta { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .case-study__hero,
  .case-study__section,
  .case-study__footer { padding-block: var(--space-6); }
  .project-meta,
  .summary-grid,
  .context-grid,
  .ownership-grid,
  .insights-grid,
  .principles-grid,
  .feature-grid,
  .impact-grid,
  .reflection-grid,
  .comparison-grid,
  .decision-card__details { grid-template-columns: 1fr; }
  .decision-card { padding: var(--space-5); }
  .site-footer { grid-template-columns: 1fr; min-height: 0; }
  .footer-meta { text-align: left; }
}

@media (max-width: 390px) {
  :root { --page: min(calc(100% - 24px), 1200px); }
  .stat-grid, .cs-meta { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ---------- Baseline UI polish ---------- */
/* Balance headings, keep body copy from leaving orphans, align figures. */
.cs-hero h1,
.cs-section h2,
.prose h3,
.prose h4,
.cs-quote p,
.footer-title,
.more-work h2,

.cs-lead,
.cs-section .section-lead,
.prose p,
.cs-disclaimer,

.stat h3,
.cs-meta dd { font-variant-numeric: tabular-nums; }

/* ---------- Scroll reveal (progressive enhancement) ---------- */
/* Pure CSS scroll-driven reveal; unsupported browsers show content as-is. */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    @keyframes cs-reveal {
      from { opacity: 0; transform: translateY(24px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .cs-section,
    .wrap > .figure,
    .more-card {
      animation: cs-reveal both;
      animation-timeline: view();
      animation-range: entry 5% entry 45%;
    }
  }
}