/* Type system — three faces with strict, narrow jobs.
/* Type system — three faces with strict, narrow jobs.
   - General Sans (Fontshare): default for everything
   - IBM Plex Mono (Google): measurements only
   - Newsreader (Google, variable): emotional moments only */
@import url("https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600&display=swap");
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Newsreader:opsz,wght@7..72,400..600&display=swap");

/* =========================================================
   Emsley — site stylesheet
   Editorial restraint. Aesthetic intelligence, not authorship.
   References in spirit: Vitsoe, Norm Architects, restrained
   editorial systems, premium product brands.
   ========================================================= */

:root {
  /* Colors — aligned with homepage design system */
  --color-ink:        #1d2129;          /* primary text */
  --color-ink-soft:   #6B6B6B;          /* secondary text */
  --color-mute:       #6B6B6B;          /* metadata, captions */
  --color-stone:      #8A7F72;          /* warm taupe accent */
  --color-stone-soft: #B7AFA4;
  --color-paper:      #F4F2EE;          /* page background */
  --color-paper-warm: #EDEAE4;          /* very subtle band */
  --color-surface:    #FFFFFF;
  --color-rule:       #D6D2CB;          /* hairlines */
  --color-rule-soft:  #E4E0D9;
  --color-on-ink:     #FFFFFF;

  /* Hover states — aligned with homepage */
  --color-primary-hover:    #2c323e;
  --color-neutral-hover:    #EBE7DF;

  /* Motion — aligned with homepage */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --dur-fast:    120ms;
  --dur-medium:  200ms;
  --dur-slow:    320ms;

  /* Spacing — aligns with homepage rhythm */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  48px;
  --space-xxl: 80px;

  /* Legacy spacing — keep for existing component references */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;
  --s-11: 160px;
  --s-12: 200px;

  /* Layout — matches homepage */
  --w-page: 1200px;
  --w-prose: 640px;
  --w-prose-wide: 760px;
  --gutter: 40px;

  /* Shape */
  --radius-none: 0;
  --radius-sm: 2px;

  /* Typography — aligned with homepage */
  --font-sans:    "General Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "General Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --font-serif:   "Newsreader", Georgia, "Times New Roman", serif;

  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  --fs-h1:         2.75rem;
  --fs-h2:         2rem;
  --fs-h3:         1.375rem;
  --fs-body-md:    1rem;
  --fs-body-sm:    0.875rem;
  --fs-label-caps: 0.6875rem;

  --lh-display: 1.15;
  --lh-heading: 1.2;
  --lh-subheading: 1.3;
  --lh-body: 1.55;
  --lh-tight: 1.5;

  --tr-display: -0.015em;
  --tr-heading: -0.01em;
  --tr-body:     0.01em;
  --tr-caps:     0.08em;
  --tr-button:   0.02em;

  --max-page: 1200px;
  --max-text:  920px;
  --max-text-narrow: 720px;

  /* Semantic shortcuts aligned with homepage */
  --fg-1: var(--color-ink);
  --fg-2: var(--color-ink-soft);
  --fg-3: var(--color-stone);
  --bg-1: var(--color-paper);
  --bg-2: var(--color-surface);
  --hairline: var(--color-rule);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: var(--tr-body);
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; display: block; }
::selection { background: var(--color-ink); color: var(--color-paper); }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}

/* ---------- Type ---------- */
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tr-heading);
  line-height: var(--lh-heading);
}
h1 { font-size: clamp(2rem, 2.4vw + 0.6rem, 2.625rem); font-weight: var(--fw-medium); letter-spacing: var(--tr-display); line-height: var(--lh-display); }
h2 { font-size: clamp(1.5rem, 1.4vw + 0.7rem, 1.875rem); font-weight: var(--fw-medium); letter-spacing: var(--tr-heading); line-height: var(--lh-heading); }
h3 { font-size: 1.125rem; font-weight: var(--fw-medium); letter-spacing: -0.005em; line-height: 1.3; }

p  { margin: 0 0 1em 0; max-width: 60ch; }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: 1.1875rem;
  line-height: 1.5;
  color: var(--color-ink-soft);
  max-width: 32em;
  letter-spacing: -0.005em;
}

.muted { color: var(--color-mute); }
.body-sm { font-size: 0.875rem; line-height: 1.55; color: var(--color-mute); }

/* Eyebrow / small caps wayfinding */
.eyebrow {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-stone);
  font-feature-settings: "tnum" 1, "ss01" 1;
}

/* Numeric refinements */
.numerals { font-feature-settings: "tnum" 1, "lnum" 1; font-variant-numeric: tabular-nums lining-nums; }

/* ---------- Layout primitives ---------- */
.page { max-width: var(--w-page); margin: 0 auto; padding: 0 40px; }
/* These are combined with .page (`<section class="page section">`). Use longhand
   so .page's `padding: 0 var(--gutter)` survives — shorthand `padding: X 0` would
   override the horizontal axis and pin content flush to the viewport edge. */
.section { padding-top: var(--s-10); padding-bottom: var(--s-10); }
.section--top { padding-top: var(--s-8); padding-bottom: var(--s-10); }
.section--tight { padding-top: var(--s-8); padding-bottom: var(--s-8); }

/* 12-column grid for considered asymmetric layouts */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: var(--s-7);
}
/* col-N sets ONLY the end so .start-N can prepend a start without collapsing the span */
.col-1  { grid-column-end: span 1; }
.col-2  { grid-column-end: span 2; }
.col-3  { grid-column-end: span 3; }
.col-4  { grid-column-end: span 4; }
.col-5  { grid-column-end: span 5; }
.col-6  { grid-column-end: span 6; }
.col-7  { grid-column-end: span 7; }
.col-8  { grid-column-end: span 8; }
.col-9  { grid-column-end: span 9; }
.col-10 { grid-column-end: span 10; }
.col-11 { grid-column-end: span 11; }
.col-12 { grid-column-end: span 12; }
.start-2 { grid-column-start: 2; }
.start-3 { grid-column-start: 3; }
.start-4 { grid-column-start: 4; }
.start-5 { grid-column-start: 5; }
.start-6 { grid-column-start: 6; }
.start-7 { grid-column-start: 7; }
.start-8 { grid-column-start: 8; }

.prose { max-width: var(--w-prose); }
.prose-wide { max-width: var(--w-prose-wide); }

/* ---------- Header (Aligned with Homepage) ---------- */
.header {
  position: sticky;
  top: 0;
  background: rgba(244,242,238,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-rule);
  z-index: 100;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}

.header__logo img {
  display: block;
  height: 28px;
  filter: brightness(0);
}

.header--inverted .header__logo img {
  filter: none;
}

.header__nav {
  display: flex;
  gap: 36px;
  align-items: center;
}

.header__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-2);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
  cursor: pointer;
}

.header__link:hover,
.header__link--active { color: var(--fg-1); }

.header__cta {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  background: var(--fg-1);
  color: var(--bg-2);
  border: 0;
  padding: 13px 24px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-medium) var(--ease-standard);
}

.header__cta:hover { background: var(--color-primary-hover); }

/* ---------- Footer (Aligned with Homepage) ---------- */
.footer {
  border-top: 1px solid var(--hairline);
  padding: 56px 0 28px;
  background: var(--bg-1);
  margin-top: var(--s-11);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer__heading {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin: 0 0 14px;
}

.footer__col a {
  display: block;
  font-size: 0.875rem;
  color: var(--fg-1);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--dur-fast) var(--ease-standard);
}

.footer__col a:hover { color: var(--fg-3); }

.footer__brand img { height: 32px; margin-bottom: 14px; filter: brightness(0); }
.footer__brand p {
  font-size: 0.875rem;
  color: var(--fg-2);
  line-height: 1.55;
  max-width: 32ch;
  margin: 0;
}

.footer__bottom {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--fg-2);
}

/* Layout helpers */
.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- Section indicator (replaces dividers) ---------- */
.indicator {
  display: flex;
  align-items: baseline;
  gap: var(--s-5);
  color: var(--color-stone);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--s-7);
}
.indicator__num { font-feature-settings: "tnum" 1; color: var(--color-stone); }
.indicator__rule {
  flex: 0 0 56px;
  height: 1px;
  background: var(--color-stone-soft);
}
.indicator__label { color: var(--color-stone); }

/* ---------- Edge label (vertical text at left edge of section) ---------- */
/* ---------- Edge label wrappers for subpages ---------- */
.content-wrap {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  position: relative;
  min-height: 100vh;
}
.content-wrap .edge-label {
  position: sticky;
  top: 145px;
  flex-shrink: 0;
  width: 32px;
  /* Breathing room before <main> so the rotated label can't collide with
     left-aligned page content at viewport widths where .page sits flush to
     the edge of main rather than auto-centering with extra gutter. */
  margin-right: var(--s-5);
  z-index: 5;
}
/* Make <main> a well-behaved flex child so .page inside it can max-width:1200
   and auto-center predictably, instead of inheriting auto width from content. */
.content-wrap > main {
  flex: 1 1 0;
  min-width: 0;
}
.edge-label {
  position: absolute;
  top: 80px;
  left: 12px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  word-break: keep-all;
  white-space: nowrap;
  color: var(--color-stone);
  pointer-events: none;
}
.edge-label--dark { color: rgba(255,255,255,0.4); }

/* ---------- Eyebrow rule (short hairline + label) ---------- */
.eyebrow-rule {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-stone);
}
.eyebrow-rule::before {
  content: "";
  display: inline-block;
  width: 48px;
  height: 1px;
  background: var(--color-stone);
  flex-shrink: 0;
}

/* ---------- Buttons / inline link affordances ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 13px 20px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid var(--color-ink);
  background: var(--color-ink);
  color: var(--color-on-ink);
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: background var(--dur-medium) var(--ease-standard), color var(--dur-medium) var(--ease-standard), border-color var(--dur-medium) var(--ease-standard);
}
.btn:hover { background: transparent; color: var(--color-ink); border-bottom: 1px solid var(--color-ink); }

.btn--primary {
  border: 0;
  padding: 13px 24px;
  letter-spacing: 0.02em;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  border: 0;
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-rule);
}
.btn--ghost:hover { border-color: var(--color-ink); background: transparent; color: var(--color-ink); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  padding-bottom: 2px;
  font-weight: 500;
}
.link-arrow::after { content: "→";  transition: transform var(--dur-medium) var(--ease-standard); }
.link-arrow:hover::after { transform: translateX(4px); }
.link-arrow:hover { border-bottom-color: var(--color-stone); color: var(--color-ink); }

.btn-row { display: flex; gap: var(--s-5); align-items: center; flex-wrap: wrap; }

/* ---------- Hero ---------- */
.hero {
  padding-top: var(--s-9);
  padding-bottom: var(--s-10);
}
.hero__indicator {
  grid-column: 1 / span 12;
  margin-bottom: var(--s-7);
}
.hero__text {
  grid-column: 1 / span 6;
}
.hero__h1 {
  font-size: clamp(2.125rem, 2.6vw + 0.6rem, 2.875rem);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.08;
  margin-bottom: var(--s-6);
  max-width: 14ch;
}
.hero__sub {
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--color-ink-soft);
  max-width: 36ch;
  margin-bottom: var(--s-7);
  letter-spacing: -0.003em;
}
.hero__cta { display: flex; align-items: center; gap: var(--s-6); flex-wrap: wrap; }
.hero__image {
  grid-column: 8 / span 5;
  align-self: end;
}
.hero__image .frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-surface);
}
.hero__image .frame img { width: 100%; height: 100%; object-fit: cover; }
.hero__caption {
  margin-top: var(--s-3);
  font-size: 0.75rem;
  color: var(--color-mute);
  letter-spacing: 0.04em;
}

/* ---------- Section header (varied patterns) ---------- */
.shead {
  margin-bottom: var(--s-9);
}
.shead h2 { max-width: 18ch; margin-bottom: var(--s-5); }
.shead p  { color: var(--color-ink-soft); font-size: 1.0625rem; max-width: 38em; }

/* ---------- Problem grid ---------- */
.problems {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  row-gap: var(--s-8);
}
.problem {
  grid-column: span 6;
  padding-top: var(--s-5);
  border-top: 1px solid var(--color-rule);
  max-width: 32em;
}
.problem__num {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-stone);
  font-feature-settings: "tnum" 1;
  margin-bottom: var(--s-3);
}
.problem h3 { margin-bottom: var(--s-3); font-weight: 500; font-size: 1.0625rem; }
.problem p { color: var(--color-ink-soft); font-size: 0.9375rem; line-height: 1.55; }

/* ---------- Two-column editorial block ---------- */
.editorial {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  align-items: start;
}
.editorial--media-right .editorial__media { grid-column: 8 / span 5; }
.editorial--media-right .editorial__body  { grid-column: 1 / span 7; padding-right: var(--s-5); }
.editorial--media-left  .editorial__media { grid-column: 1 / span 5; }
.editorial--media-left  .editorial__body  { grid-column: 7 / span 6; }
.editorial__media .frame { aspect-ratio: 4 / 5; overflow: hidden; }
.editorial__media .frame img { width: 100%; height: 100%; object-fit: cover; }
.editorial__media .caption { margin-top: var(--s-3); font-size: 0.75rem; color: var(--color-mute); letter-spacing: 0.04em; }
.editorial__body h2 { margin-bottom: var(--s-6); max-width: 18ch; }
.editorial__body p { color: var(--color-ink-soft); max-width: 32em; }
.editorial__body p + p { margin-top: 1em; }

/* ---------- Process — editorial steps ----------
   See process-steps.css for the full step component. */
.step__body .meta strong {
  color: var(--color-stone);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-right: var(--s-3);
}

/* ---------- Visual proof — curated, not gallery ---------- */
.proof {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  row-gap: var(--s-7);
  align-items: end;
}
.proof figure { margin: 0; }
.proof figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
.proof .frame { overflow: hidden; }
.proof figcaption {
  margin-top: var(--s-3);
  font-size: 0.75rem;
  color: var(--color-mute);
  letter-spacing: 0.04em;
}
.proof__1 { grid-column: 1 / span 7; }
.proof__1 .frame { aspect-ratio: 16 / 10; }
.proof__2 { grid-column: 9 / span 4; align-self: end; }
.proof__2 .frame { aspect-ratio: 3 / 4; }
.proof__3 { grid-column: 2 / span 4; }
.proof__3 .frame { aspect-ratio: 1 / 1; }
.proof__4 { grid-column: 7 / span 5; }
.proof__4 .frame { aspect-ratio: 5 / 4; }

/* ---------- Case study teaser — restrained, no card ---------- */
.case-teaser {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  align-items: center;
}
.case-teaser__media { grid-column: 1 / span 6; }
.case-teaser__media .frame { aspect-ratio: 4 / 5; overflow: hidden; }
.case-teaser__media .frame img { width: 100%; height: 100%; object-fit: cover; }
.case-teaser__body  { grid-column: 8 / span 5; }
.case-teaser__body h2 { margin-bottom: var(--s-5); max-width: 18ch; }
.case-teaser__body p  { color: var(--color-ink-soft); margin-bottom: var(--s-6); max-width: 30em; }

/* ---------- Closing CTA ---------- */
.closing {
  padding-top: var(--s-10);
  padding-bottom: var(--s-11);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
}
.closing__body { grid-column: 1 / span 9; }
.closing h2 {
  font-size: clamp(1.5rem, 1.4vw + 0.6rem, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
  max-width: 22ch;
  margin-bottom: var(--s-5);
  color: var(--color-ink);
}
.closing p { color: var(--color-ink-soft); max-width: 32em; margin-bottom: var(--s-7); font-size: 1rem; }

/* ---------- Page header (subpages) ---------- */
.page-header {
  padding-top: var(--s-7);
  padding-bottom: var(--s-8);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
}
.page-header__indicator { grid-column: 1 / span 12; margin-bottom: var(--s-7); }
.page-header h1 {
  grid-column: 1 / span 11;
  font-size: clamp(2.125rem, 2.4vw + 0.6rem, 2.875rem);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.1;
  max-width: 18ch;
  margin-bottom: var(--s-6);
}
.page-header .lede { grid-column: 1 / span 9; }

/* Page header body — wraps h1 + lede, constrains divider to content width */
.page-header__body {
  grid-column: 1 / -1;
  border-bottom: 1px solid var(--color-stone);
  padding-bottom: var(--s-7);
  margin-bottom: var(--s-4);
}

/* ---------- Long-form prose ---------- */
.longform { max-width: var(--w-prose); }
.longform h2 { margin-top: var(--s-9); margin-bottom: var(--s-4); font-size: 1.375rem; font-weight: 500; letter-spacing: -0.005em; }
.longform h2:first-child { margin-top: 0; }
.longform h3 { margin-top: var(--s-6); margin-bottom: var(--s-3); font-size: 1rem; font-weight: 500; }
.longform p, .longform ul { color: var(--color-ink-soft); }
.longform ul { padding-left: 1.2em; margin: 0 0 1em; }
.longform ul li { margin-bottom: var(--s-2); }
.longform .eyebrow { display: block; margin-bottom: var(--s-3); }
.longform blockquote {
  margin: var(--s-8) 0;
  padding-left: var(--s-5);
  border-left: 1px solid var(--color-stone);
  color: var(--color-ink);
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
  font-weight: 400;
  max-width: 28em;
}

/* ---------- Figures inside prose ---------- */
.figure { margin: var(--s-8) 0; }
.figure img { width: 100%; }
.figure figcaption { margin-top: var(--s-3); font-size: 0.75rem; color: var(--color-mute); letter-spacing: 0.04em; }
.figure-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5); margin: var(--s-8) 0; }
.figure-pair img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }

/* Anchor image (case study) */
.anchor { margin: 0; }
.anchor .frame { aspect-ratio: 16 / 9; overflow: hidden; }
.anchor .frame img { width: 100%; height: 100%; object-fit: cover; }
.anchor figcaption { margin-top: var(--s-3); font-size: 0.75rem; color: var(--color-mute); letter-spacing: 0.04em; }

/* ---------- Contact ---------- */
.contact {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  padding-top: var(--s-9);
}
.contact__intro { grid-column: 1 / span 5; }
.contact__intro h1 {
  font-size: clamp(2rem, 2.2vw + 0.6rem, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.12;
  max-width: 14ch;
  margin-bottom: var(--s-6);
}
.contact__intro p { color: var(--color-ink-soft); max-width: 28em; }
.contact__details { margin-top: var(--s-8); font-size: 0.875rem; }
.contact__details .row { display: grid; grid-template-columns: 96px 1fr; gap: var(--s-4); padding: var(--s-3) 0; border-top: 1px solid var(--color-rule); }
.contact__details .row:last-child { border-bottom: 1px solid var(--color-rule); }
.contact__details .k { color: var(--color-stone); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.6875rem; padding-top: 2px; }
.contact__details .v { color: var(--color-ink); }
.contact__details a { color: var(--color-ink); }

.form { grid-column: 7 / span 6; display: grid; gap: var(--s-5); }
.form .field { display: grid; gap: var(--s-2); }
.form label {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-stone);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.form input, .form textarea, .form select {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 12px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-rule);
  color: var(--color-ink);
  width: 100%;
  border-radius: 0;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-bottom-color: var(--color-ink); }
.form textarea { min-height: 120px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5); }
.form .actions { margin-top: var(--s-4); display: flex; justify-content: flex-start; }

/* ---------- Subtle warm band ---------- */
.band-warm { background: var(--color-paper-warm); }

/* =========================================================
   Perspective — article pages + index list
   Restrained, archival, text-forward.
   ========================================================= */

/* ---- Article ---- */
.px-article {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.px-header {
  padding: var(--s-9) 0 var(--s-8);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  row-gap: var(--s-7);
}

.px-header__indicator { grid-column: 1 / span 12; margin-bottom: var(--s-4); }

.px-header h1 {
  grid-column: 1 / span 10;
  font-size: clamp(2rem, 2.4vw + 0.6rem, 2.875rem);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.1;
  max-width: 20ch;
  margin: 0;
  color: var(--color-ink);
}

.px-body {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  padding: var(--s-8) 0 var(--s-9);
  border-top: 1px solid var(--color-rule);
}

.px-body__inner {
  grid-column: 3 / span 8;
  max-width: 42em;
}

.px-body__inner p {
  color: var(--color-ink);
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 36em;
  margin: 0 0 1.2em;
  letter-spacing: -0.001em;
}

.px-body__inner p.lede {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-ink);
  letter-spacing: -0.006em;
  margin-bottom: var(--s-6);
  max-width: 32em;
}

.px-body__inner p.solo {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-ink);
  margin: var(--s-6) 0;
  max-width: 32em;
  line-height: 1.4;
}

.px-body__inner ul {
  list-style: none;
  margin: var(--s-4) 0 var(--s-6);
  padding: 0;
  border-top: 1px solid var(--color-rule);
}

.px-body__inner ul li {
  padding: 10px 0 10px var(--s-5);
  border-bottom: 1px solid var(--color-rule);
  color: var(--color-ink-soft);
  font-size: 1rem;
  position: relative;
}

.px-body__inner ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-stone);
}

/* ---- Article navigation (prev / next / back) ---- */
.px-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--gutter);
  row-gap: var(--s-6);
  padding: var(--s-7) 0 var(--s-10);
  border-top: 1px solid var(--color-rule);
  max-width: var(--w-page);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.px-nav__link {
  display: block;
  text-decoration: none;
  border-bottom: 0;
  color: inherit;
  padding-top: var(--s-3);
  border-top: 1px solid var(--color-rule);
  transition: color var(--dur-fast) var(--ease-standard);
}
.px-nav__link:hover { border-bottom: 0; }
.px-nav__link:hover .px-nav__title { color: var(--color-stone); }

.px-nav__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--s-3);
}
.px-nav__title {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.3;
  max-width: 26ch;
  letter-spacing: -0.005em;
  transition: color var(--dur-fast) var(--ease-standard);
}
.px-nav .next { text-align: right; justify-self: end; max-width: 32ch; }
.px-nav .next .px-nav__title { margin-left: auto; }

.px-nav__all {
  grid-column: 1 / span 2;
  text-align: center;
  padding-top: var(--s-6);
  margin-top: var(--s-3);
  border-top: 1px solid var(--color-rule);
}

/* ---- Index / list page ---- */
.px-index {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--s-10);
}

.px-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-ink);
}

.px-list__item { border-bottom: 1px solid var(--color-rule); }

.px-list__link {
  display: grid;
  grid-template-columns: 70px 1fr 1.4fr 130px;
  column-gap: var(--s-7);
  padding: var(--s-7) 0;
  align-items: baseline;
  text-decoration: none;
  border-bottom: 0;
  color: inherit;
  transition: background var(--dur-medium) var(--ease-standard);
}

.px-list__link:hover { background: var(--color-paper-warm); }
.px-list__link:hover .px-list__title { color: var(--color-stone); }

.px-list__num {
  font-feature-settings: "tnum" 1, "lnum" 1;
  font-size: 0.8125rem;
  color: var(--color-stone);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding-left: var(--s-3);
}

.px-list__title {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.008em;
  line-height: 1.28;
  color: var(--color-ink);
  max-width: 24ch;
  transition: color var(--dur-fast) var(--ease-standard);
}

.px-list__summary {
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  line-height: 1.55;
  max-width: 40em;
}

.px-list__date {
  font-size: 0.6875rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-mute);
  text-align: right;
  white-space: nowrap;
  padding-right: var(--s-3);
}

@media (max-width: 1024px) {
  .px-body__inner { grid-column: 1 / span 12; }
  .px-list__link {
    grid-template-columns: 56px 1fr 96px;
    column-gap: var(--s-5);
    row-gap: var(--s-3);
    padding: var(--s-6) 0;
    align-items: start;
  }
  .px-list__num { padding-left: 0; }
  .px-list__summary { grid-column: 2 / span 1; }
  .px-list__date { grid-column: 2 / span 1; text-align: left; padding-right: 0; }
  .px-nav { grid-template-columns: 1fr; }
  .px-nav .next { text-align: left; justify-self: start; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root { --gutter: 24px; }
  .hero__text { grid-column: 1 / span 8; }
  .hero__image { grid-column: 1 / span 8; margin-top: var(--s-7); }
  .editorial--media-right .editorial__media,
  .editorial--media-left  .editorial__media { grid-column: 1 / span 12; }
  .editorial--media-right .editorial__body,
  .editorial--media-left  .editorial__body  { grid-column: 1 / span 12; padding-right: 0; margin-top: var(--s-7); }
  .proof__1, .proof__2, .proof__3, .proof__4 { grid-column: 1 / span 12; }
  .proof__1 .frame, .proof__4 .frame { aspect-ratio: 16/10; }
  .proof__2 .frame { aspect-ratio: 4/5; }
  .case-teaser__media, .case-teaser__body { grid-column: 1 / span 12; }
  .case-teaser__body { margin-top: var(--s-6); }
  .closing__body { grid-column: 1 / span 12; }
  .page-header h1 { grid-column: 1 / span 12; }
  .page-header .lede { grid-column: 1 / span 12; }
  .contact__intro, .form { grid-column: 1 / span 12; }
  .form { margin-top: var(--s-8); }
  .site-footer .brand, .site-footer .meta, .site-footer .meta-end { grid-column: 1 / span 12; text-align: left; }
  .problem { grid-column: 1 / span 12; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .section { padding-top: var(--s-8); padding-bottom: var(--s-8); }
  .hero { padding-top: var(--s-7); padding-bottom: var(--s-8); }
  .nav { gap: var(--s-5); }
  .form .row { grid-template-columns: 1fr; }
  .figure-pair { grid-template-columns: 1fr; }

  /* CTA pair on subpage closings (process, case study, perspective). Mirrors
     the homepage hero/closing pattern so all primary CTAs feel consistent
     on mobile: button stretches to a matched width, link-arrow stacks below. */
  .btn-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-4);
  }
  .btn-row .btn--primary {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
}

/* =============================================================================
   Typographic accent system — subpages
   See DESIGN.md typography rule. Mirrors site.css.
   ========================================================================== */

body {
  font-feature-settings: "ss01" 1, "cv11" 1, "calt" 1, "kern" 1;
}

/* MONO — measurements only */
.numerals,
.edge-label,
.step__num,
.case__stat-num,
.indicator__num,
.cs-facts dt,
.cs-facts dd,
.when,
.caption,
figure figcaption,
.cs-anchor .caption-row,
.chmark .num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1, "lnum" 1;
  letter-spacing: 0;
}

.edge-label,
.caption,
figure figcaption,
.cs-anchor .caption-row,
.cs-facts dt {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.when {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* SERIF — emotional moments only.
   Case study static page: pull quote (.cs-pull blockquote) */
.cs-pull blockquote {
  font-family: var(--font-serif);
  font-variation-settings: "wght" 400, "SOFT" 60, "WONK" 0, "opsz" 96;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

/* Perspective post titles — both homepage class and standalone page class */
.perspective__h3,
.px-list__title {
  font-family: var(--font-serif);
  font-variation-settings: "wght" 500, "SOFT" 50, "WONK" 0, "opsz" 36;
  font-weight: 500;
  letter-spacing: -0.01em;
}