/* ==========================================================================
   Warren Street Applied AI — site stylesheet
   Direction: "Editorial institutional" (10-brand/decisions/Selected visual direction)
   Palette and type scale follow 10-brand/references/Brand guide.

   Structure
   01  Tokens
   02  Reset and base
   03  Typography
   04  Layout primitives
   05  Buttons and links
   06  Header and navigation
   07  Footer
   08  Hero and page headers
   09  Sections and bands
   10  Workflow diagram
   11  Cards, steps, project rows
   12  Case study pages
   13  Contact page
   14  Responsive
   ========================================================================== */

/* -- 01  Tokens ---------------------------------------------------------- */

:root {
  /* Core palette — Brand guide */
  --ink: #1e2d2d;
  --ink-deep: #14201f;
  --stone: #e7e1d6;
  --mist: #f3f0ea;
  --paper: #fbfaf7;
  --white: #ffffff;
  --slate: #5a6d6b;
  --bronze: #8b6a43;

  /* Derived */
  --slate-strong: #4a5c5a;
  --line: rgba(30, 45, 45, 0.14);
  --line-strong: rgba(30, 45, 45, 0.26);
  --line-invert: rgba(231, 225, 214, 0.18);
  --shadow-card: 0 1px 2px rgba(30, 45, 45, 0.04), 0 12px 32px -18px rgba(30, 45, 45, 0.24);
  --shadow-card-hover: 0 1px 2px rgba(30, 45, 45, 0.05), 0 22px 48px -20px rgba(30, 45, 45, 0.3);

  /* Type */
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* Spacing — 8px increments */
  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 32px;
  --s5: 48px;
  --s6: 64px;
  --s7: 96px;
  --s8: 128px;
  --section: clamp(72px, 8vw, 120px);

  /* Grid */
  --gutter: clamp(20px, 5vw, 56px);
  --shell: min(1160px, 100% - (var(--gutter) * 2));
  --measure: 62ch;

  --radius: 3px;
  --header-h: 84px;
}

/* -- 02  Reset and base -------------------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--s4));
}

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: "kern" 1, "liga" 1, "cv05" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
  border-radius: 2px;
}

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

.skip-link {
  position: absolute;
  left: var(--s2);
  top: -100%;
  z-index: 100;
  background: var(--ink);
  color: var(--mist);
  padding: 12px 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.skip-link:focus { top: var(--s2); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* -- 03  Typography ------------------------------------------------------ */

h1, h2, h3, h4, p, ul, ol { margin-top: 0; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  margin-bottom: var(--s4);
  font-size: clamp(40px, 1.9rem + 2.8vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.022em;
  max-width: 18ch;
}

h2 {
  margin-bottom: var(--s3);
  font-size: clamp(30px, 1.6rem + 1.5vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.018em;
  max-width: 22ch;
}

h3 {
  margin-bottom: var(--s2);
  font-size: clamp(20px, 1.1rem + 0.5vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* Headline accent — second-voice phrase inside a heading */
h1 em, h2 em, h3 em, .pull-quote em {
  color: var(--slate-strong);
  font-style: normal;
}

p { margin-bottom: var(--s3); }
p:last-child { margin-bottom: 0; }

.eyebrow,
.section-kicker,
.label {
  display: block;
  margin: 0 0 var(--s3);
  color: var(--bronze);
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.lede {
  max-width: 60ch;
  color: var(--slate-strong);
  font-size: clamp(18px, 1.05rem + 0.25vw, 20px);
  line-height: 1.6;
}

.body-copy { max-width: var(--measure); color: var(--slate-strong); }

.support-line {
  margin: var(--s4) 0 0;
  color: var(--slate);
  font-size: 15px;
}

/* -- 04  Layout primitives ----------------------------------------------- */

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

.section { padding-block: var(--section); }

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

/* Section heading: kicker on the left, optional link on the right */
.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s3);
  padding-bottom: var(--s3);
  margin-bottom: var(--s5);
  border-bottom: 1px solid var(--line);
}
.section-heading .section-kicker { margin-bottom: 0; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
}

/* -- 05  Buttons and links ----------------------------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 15px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.button .arrow { transition: transform 0.2s ease; }
.button:hover .arrow,
.text-link:hover .arrow { transform: translateX(4px); }

.button-dark { background: var(--ink); color: var(--mist); }
.button-dark:hover { background: var(--ink-deep); }

.button-light { background: var(--mist); color: var(--ink); }
.button-light:hover { background: var(--white); }

.button-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: transparent;
}
.button-ghost:hover { border-color: var(--ink); background: rgba(30, 45, 45, 0.04); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.text-link:hover { border-color: var(--bronze); color: var(--bronze); }
.text-link .arrow { transition: transform 0.2s ease; }

.arrow { display: inline-block; }

/* -- 06  Header and navigation ------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 240, 234, 0.88);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  background: rgba(243, 240, 234, 0.94);
}

.header-inner {
  width: var(--shell);
  min-height: var(--header-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
}

.brand { display: block; width: 252px; flex: none; }
.brand img { width: 100%; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.4vw, 36px);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.site-nav a {
  position: relative;
  color: var(--slate);
  padding-block: 4px;
  transition: color 0.2s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.24s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--ink); }

.site-nav .nav-contact {
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 600;
}
.site-nav .nav-contact::after { display: none; }
.site-nav .nav-contact:hover { background: var(--ink); color: var(--mist); border-color: var(--ink); }

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  padding: 10px 16px;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

/* -- 07  Footer ---------------------------------------------------------- */

.site-footer {
  background: var(--ink-deep);
  color: var(--stone);
  padding-top: var(--s7);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: var(--s6);
  padding-bottom: var(--s6);
}

.footer-mark {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-bottom: var(--s3);
}
.footer-mark img {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
}
.footer-wordmark { display: block; line-height: 1.1; }
.footer-wordmark strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--mist);
}
.footer-wordmark span {
  display: block;
  margin-top: 3px;
  color: var(--stone);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.75;
}

.footer-note {
  max-width: 34ch;
  color: rgba(231, 225, 214, 0.72);
  font-size: 15px;
}

.footer-col h2 {
  margin-bottom: var(--s3);
  color: var(--bronze);
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a,
.footer-col span {
  color: rgba(231, 225, 214, 0.82);
  font-size: 15px;
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--white); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s2) var(--s4);
  padding-block: var(--s3) var(--s5);
  border-top: 1px solid var(--line-invert);
  color: rgba(231, 225, 214, 0.6);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* -- 08  Hero and page headers ------------------------------------------- */

.hero,
.page-hero,
.case-hero {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  column-gap: clamp(32px, 5vw, 88px);
  align-items: start;
}

.hero {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  padding-block: clamp(72px, 9vw, 132px) clamp(56px, 6vw, 88px);
}
.hero > .eyebrow,
.hero > .hero-meta { grid-column: 1 / -1; }
.hero > h1 { margin-bottom: 0; max-width: none; }
.hero-body { padding-top: 6px; }
.hero-body .hero-copy + .hero-copy { margin-top: 0; }

.hero-copy {
  max-width: 56ch;
  color: var(--slate-strong);
  font-size: clamp(18px, 1.05rem + 0.25vw, 20px);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2) var(--s3);
  margin-top: var(--s5);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s5);
  margin-top: var(--s6);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
  color: var(--slate);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-hero {
  padding-block: clamp(64px, 7vw, 104px) clamp(48px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}
.page-hero > .eyebrow { grid-column: 1 / -1; }
.page-hero > h1 { margin-bottom: 0; max-width: 15ch; }
.page-hero-body { padding-top: 6px; }

/* -- 09  Sections and bands ---------------------------------------------- */

.band-stone { background: var(--stone); }
.band-paper { background: var(--paper); }

.dark-cta {
  background: var(--ink);
  color: var(--mist);
  padding-block: var(--section);
  text-align: center;
}
.dark-cta h2 {
  max-width: 20ch;
  margin-inline: auto;
  color: var(--mist);
}
.dark-cta em { color: var(--stone); opacity: 0.85; }
.dark-cta .section-kicker { color: var(--stone); opacity: 0.85; }
.dark-cta .lede {
  max-width: 52ch;
  margin: 0 auto var(--s5);
  color: rgba(231, 225, 214, 0.82);
}
.dark-cta .cta-rule {
  width: 48px;
  height: 2px;
  margin: 0 auto var(--s4);
  background: var(--bronze);
}

.quote-band {
  background: var(--stone);
  padding-block: var(--section);
}
.pull-quote {
  max-width: 20ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(32px, 1.6rem + 2.4vw, 54px);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.quote-attrib {
  margin-top: var(--s4);
  color: var(--slate-strong);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* -- 10  Workflow diagram ------------------------------------------------ */

.workflow {
  margin-top: var(--s5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
}
.band-stone .workflow { background: rgba(251, 250, 247, 0.66); }

.workflow-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  border-bottom: 1px solid var(--line);
}
.workflow-row:last-child { border-bottom: 0; }
.workflow-row.is-result { background: rgba(139, 106, 67, 0.06); }

.workflow-label {
  color: var(--bronze);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.workflow-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  color: var(--slate-strong);
  font-size: 14.5px;
}
.workflow-path > span,
.workflow-path > strong {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
  white-space: nowrap;
}
.workflow-path > strong {
  border-color: rgba(139, 106, 67, 0.4);
  color: var(--ink);
  font-weight: 600;
}
/* Connector leads each item after the first, so a wrapped row never ends on
   a dangling rule. */
.workflow-path > :not(:first-child)::before {
  content: "";
  flex: none;
  width: 14px;
  height: 1px;
  margin: 0 12px 0 -12px;
  background: var(--bronze);
  opacity: 0.55;
}

/* Today / After comparison table. Typography and hairlines only, no boxes:
   the argument is carried by the weight shift from the left column to the
   right, so keep "now" lighter than "next". */
.cmp {
  margin: var(--s5) 0 0;
  border-top: 1px solid var(--ink);
}
.cmp-head,
.cmp-row {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 5fr);
  gap: var(--s3);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
}
.cmp-head {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-strong);
}
.cmp-head span {
  color: var(--bronze);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.cmp-row dt {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}
.cmp-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
}
.cmp-row dd.now { color: var(--slate); }
.cmp-row dd.next { color: var(--ink); }

/* Column name for screen readers on wide layouts; visible on narrow ones. */
.cmp-when {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Scope list beside a project row. Names the problem areas an engagement
   covers; the paragraph beside it carries the outcome, so the two never
   restate each other. */
.scope { border-top: 1px solid var(--ink); }
.scope-label {
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--bronze);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.scope ul { margin: 0; padding: 0; list-style: none; }
.scope li {
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
}

/* -- 11  Cards, steps, project rows -------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--s3);
}

.card {
  display: flex;
  flex-direction: column;
  padding: var(--s4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.card .card-index {
  display: block;
  margin-bottom: var(--s4);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line);
  color: var(--bronze);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.card h3 { min-height: 2.5em; }
.card p { color: var(--slate-strong); font-size: 16px; margin-bottom: 0; }

.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--s5) var(--s4);
}
.step { padding-top: var(--s3); border-top: 2px solid var(--ink); }
.step-number {
  display: block;
  margin-bottom: var(--s3);
  color: var(--bronze);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.step h3 { min-height: 2.5em; }
.step p { color: var(--slate-strong); font-size: 16px; margin-bottom: 0; }

.project-row {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
  padding-block: var(--s6);
  border-bottom: 1px solid var(--line);
}
.project-row:first-of-type { border-top: 1px solid var(--line); }
.project-row h3 {
  max-width: 20ch;
  font-size: clamp(24px, 1.3rem + 1vw, 32px);
  line-height: 1.18;
}
.project-row p { max-width: 56ch; color: var(--slate-strong); font-size: 16.5px; }
.project-meta {
  margin-bottom: var(--s2);
  color: var(--bronze);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.project-row .text-link { margin-top: var(--s3); }

/* Work index: stacked list layout, no diagram column */
.work-list { padding-block: var(--s6) var(--section); }
.work-list .project-row { grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); align-items: start; }
.work-list .project-row:first-of-type { border-top: 0; padding-top: 0; }

/* -- 12  Case study pages ------------------------------------------------ */

.case-hero { padding-block: clamp(64px, 7vw, 104px) var(--section); }
.case-hero h1 { max-width: 15ch; margin-bottom: 0; }
.case-label {
  color: var(--bronze);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--s3);
}
.current-label {
  display: inline-block;
  margin-bottom: var(--s3);
  padding: 5px 12px;
  border: 1px solid rgba(139, 106, 67, 0.45);
  border-radius: 100px;
  color: var(--bronze);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.case-intro { padding-top: 6px; }
.case-intro p {
  max-width: 62ch;
  color: var(--slate-strong);
  font-size: clamp(18px, 1.05rem + 0.25vw, 20px);
  line-height: 1.6;
}

.case-section { padding-block: var(--section); border-top: 1px solid var(--line); }
.case-section h2 { font-size: clamp(26px, 1.4rem + 1.2vw, 34px); }
.case-copy { max-width: 62ch; color: var(--slate-strong); font-size: 16.5px; }
.case-copy h3 { margin-top: var(--s5); color: var(--ink); }
.case-copy h3:first-child { margin-top: 0; }
.case-copy h3 + p { margin-bottom: 0; }

.case-list { margin: var(--s3) 0 0; padding: 0; list-style: none; }
.case-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--slate-strong);
}
.case-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 10px; height: 1px;
  background: var(--bronze);
}

.tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.tools li {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--paper);
  color: var(--slate-strong);
  font-size: 14px;
}

.case-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--s3);
  padding-block: var(--s5);
  border-top: 1px solid var(--line);
}

/* -- 13  Contact page ---------------------------------------------------- */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
  padding-block: var(--section);
}

.contact-form {
  padding: var(--s5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.contact-form .field { display: block; margin-bottom: var(--s4); }
.contact-form .field:last-of-type { margin-bottom: var(--s5); }
.contact-form .field-label {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(90, 109, 107, 0.6); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px rgba(139, 106, 67, 0.14);
}
.contact-form textarea { resize: vertical; min-height: 160px; }
.form-note {
  margin: var(--s3) 0 0;
  color: var(--slate-strong);
  font-size: 14.5px;
}
.form-note:empty { margin: 0; }

.contact-aside { padding-top: var(--s1); }
.contact-aside h2 { font-size: clamp(26px, 1.4rem + 1.2vw, 34px); }
.contact-aside p { max-width: 40ch; color: var(--slate-strong); font-size: 16.5px; }

.contact-details {
  margin-top: var(--s5);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
  color: var(--slate-strong);
  font-size: 15px;
}
.contact-details dt {
  margin-bottom: 4px;
  color: var(--bronze);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.contact-details dd { margin: 0 0 var(--s3); }
.contact-details dd:last-child { margin-bottom: 0; }

.about-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s5);
  margin-top: var(--s6);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
  color: var(--slate);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* -- 14  Responsive ------------------------------------------------------ */

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s5); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .split,
  .contact-layout,
  .hero,
  .page-hero,
  .case-hero { grid-template-columns: 1fr; }
  .hero > h1,
  .page-hero > h1,
  .case-hero h1 { margin-bottom: var(--s4); max-width: 20ch; }
  .hero-body,
  .page-hero-body,
  .case-intro { padding-top: 0; }
  .case-hero { padding-bottom: var(--section); }
  .card h3,
  .step h3 { min-height: 0; }
  .project-row,
  .work-list .project-row { grid-template-columns: 1fr; gap: var(--s4); }
  .contact-form { padding: var(--s4); }
}

@media (max-width: 720px) {
  :root { --header-h: 68px; }

  .brand { width: 190px; }
  .menu-toggle { display: inline-flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--s2) var(--gutter) var(--s4);
    background: var(--mist);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-card);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    padding-block: 14px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
  }
  .site-nav a::after { display: none; }
  .site-nav .nav-contact {
    margin-top: var(--s3);
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--mist);
    text-align: center;
    justify-content: center;
  }

  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button,
  .hero-actions .text-link { justify-content: center; }
  .hero-actions .text-link { align-self: flex-start; }

  .workflow-row { grid-template-columns: 1fr; gap: 12px; padding: var(--s3); }
  .workflow-path { font-size: 14px; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--s5); }
  .site-footer { padding-top: var(--s6); }
  .footer-legal { flex-direction: column; gap: 10px; }

  .project-row { padding-block: var(--s5); }
  .case-nav { flex-direction: column; }

  .cmp-head { display: none; }
  .cmp-row { grid-template-columns: 1fr; gap: var(--s2); padding-block: var(--s3); }
  .cmp-row dt { margin-bottom: 4px; font-size: 15px; }
  .cmp-when {
    position: static;
    display: block;
    width: auto; height: auto;
    margin: 0 0 4px; clip: auto;
    color: var(--bronze);
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
  }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .workflow-path > span,
  .workflow-path > strong { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header, .site-nav, .menu-toggle, .dark-cta, .skip-link { display: none !important; }
  body { background: #fff; font-size: 12pt; }
}