/* ==========================================================================
   Construction Photography .uk — Component & Layout Styles
   Plain CSS translation of the DATUM design system's component patterns.
   ========================================================================== */

/* ---- Reset & base ---- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-text);
  font-size: var(--t-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul { margin: 0; padding: 0; }
button { font-family: inherit; }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--on-accent);
  padding: 10px 16px; font-family: var(--font-mono); font-size: var(--t-small);
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---- Layout shells ---- */
.section { background: var(--bg); color: var(--text-primary); }
.section--tint  { background: var(--surface-sunk); }
.section--dark  { background: var(--bg-dark); color: var(--text-on-dark); }
.section--accent{ background: var(--accent); color: var(--on-accent); }

.section__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--section-y) var(--gutter);
}
.section__inner--tight { padding: clamp(40px,5vw,56px) var(--gutter); }
.section__inner--narrow { max-width: var(--container-narrow); }

.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 28px; flex-wrap: wrap; margin-bottom: 48px;
}
.section-head__text { max-width: 32ch; }
.section-head__title {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: var(--t-h1); line-height: 0.96; letter-spacing: -0.01em;
  margin: 16px 0 0;
}
.section-head__intro {
  font-family: var(--font-text); font-size: var(--t-lead); line-height: 1.5;
  color: var(--text-secondary); margin: 16px 0 0;
}
.section--dark .section-head__intro,
.on-dark .section-head__intro { color: var(--text-on-dark-muted); }

/* ---- Eyebrow ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: var(--t-label); font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label); text-transform: uppercase;
  color: var(--accent-strong); line-height: 1;
}
.eyebrow::before {
  content: ""; width: 28px; height: 2px; background: currentColor; display: inline-block; flex: none;
}
.eyebrow--on-dark { color: var(--signal-400); }
.eyebrow--no-rule::before { display: none; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 22px;
  font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--t-small);
  line-height: 1; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  border-radius: var(--r-0); border: 2px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 16px 30px; font-size: var(--t-body); gap: 11px; }
.btn--sm { padding: 8px 14px; font-size: var(--t-xs); gap: 7px; }
.btn--full { width: 100%; }

.btn--primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn--dark    { background: var(--ink-900); color: var(--text-on-dark); border-color: var(--ink-900); }
.btn--outline { background: transparent; color: var(--text-primary); border-color: var(--ink-900); }
.btn--outline-on-dark { background: transparent; color: var(--text-on-dark); border-color: var(--ink-600); }
.btn--ghost   { background: transparent; color: var(--text-primary); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* ---- Tags ---- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px;
  font-family: var(--font-mono); font-size: var(--t-label); font-weight: var(--fw-medium);
  letter-spacing: 0.1em; text-transform: uppercase; line-height: 1;
  border: 1px solid; border-radius: var(--r-1);
  color: var(--ink-700); background: var(--ink-050); border-color: var(--border-strong);
}
.tag--signal { color: var(--signal-700); background: var(--signal-100); border-color: var(--signal-400); }
.tag--signal-solid { color: var(--ink-900); background: var(--signal-500); border-color: transparent; }
.tag--dark-solid { color: var(--text-on-dark); background: var(--ink-800); border-color: var(--ink-700); }
.tag--ok { color: #2F5A33; background: #E4EFE4; border-color: #B7D4B9; }

/* ---- Cards ---- */
.card {
  background: var(--surface); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--r-0);
  padding: 24px;
}
.card--dark { background: var(--surface-dark); color: var(--text-on-dark); border-color: var(--border-dark); }
.card--accent-top { border-top: 3px solid var(--accent); }
.card--raised { box-shadow: var(--shadow-md); }
.card h3 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  margin: 0 0 8px; letter-spacing: -0.01em;
}
.card p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin: 0; }

/* ---- Stat ---- */
.stat__value {
  font-family: var(--font-display); font-weight: var(--fw-ultra); font-size: var(--t-h1);
  line-height: 0.9; letter-spacing: var(--ls-tight); color: var(--text-primary);
  font-variant-numeric: tabular-nums; display: flex; align-items: baseline; gap: 4px;
}
.on-dark .stat__value { color: var(--text-on-dark); }
.stat__value small { color: var(--accent-strong); font-size: 0.5em; }
.stat__label {
  margin-top: 8px; font-family: var(--font-mono); font-size: var(--t-label);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-secondary);
}
.on-dark .stat__label { color: var(--text-on-dark-muted); }

/* ---- Inputs ---- */
.field { display: block; }
.field + .field { margin-top: 18px; }
.field__label {
  display: block; margin-bottom: 7px;
  font-family: var(--font-mono); font-size: var(--t-label); font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-secondary);
}
.field__input, .field__textarea {
  width: 100%; padding: 12px 14px; font-family: var(--font-text); font-size: var(--t-body);
  color: var(--text-primary); background: var(--surface);
  border: 2px solid var(--border-strong); border-radius: var(--r-1);
  outline: none; transition: border-color var(--dur-fast) var(--ease-out);
}
.field__textarea { resize: vertical; }
.field__input:focus, .field__textarea:focus { border-color: var(--accent); }
.field__hint { display: block; margin-top: 6px; font-family: var(--font-mono); font-size: var(--t-xs); color: var(--text-muted); }

.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 10px; }
.checkbox-row {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--border-strong); padding: 10px 12px; border-radius: var(--r-1);
  font-family: var(--font-text); font-size: var(--t-small);
}
.checkbox-row input { width: 18px; height: 18px; accent-color: var(--accent-strong); flex: none; }

/* ---- Photo plate (placeholder) ---- */
.plate {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: linear-gradient(135deg, var(--ink-800), var(--ink-850));
  border: 1px solid var(--border-dark);
  display: grid; place-items: center;
}
.plate--tall { aspect-ratio: 4/5; }
.plate--wide { aspect-ratio: 16/9; }
.plate__label {
  font-family: var(--font-mono); font-size: var(--t-xs); letter-spacing: var(--ls-label);
  text-transform: uppercase; color: var(--ink-500);
}
.plate__chip {
  position: absolute; top: 0; left: 0;
  background: rgba(11,11,12,0.78); color: var(--text-on-dark);
  font-family: var(--font-mono); font-size: var(--t-xs); font-weight: var(--fw-medium);
  letter-spacing: 0.08em; padding: 6px 10px;
}
.plate__caption {
  position: absolute; left: 16px; bottom: 16px; right: 16px;
  display: flex; justify-content: space-between; align-items: flex-end;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--text-on-dark-muted); text-align: right;
}
.plate img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---- Background-image + overlay bands (page headers, dark sections) ---- */
.page-header--photo,
.section--dark-photo {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ---- Mark / Logo ---- */
.mark { flex: none; display: block; }
.logo { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.logo__text { display: flex; flex-direction: column; line-height: 0.86; }
.logo__word {
  font-family: var(--font-display); font-weight: 900; font-size: 19px;
  letter-spacing: 0.01em; text-transform: uppercase; color: var(--ink-900);
}
.logo__word + .logo__word { margin-top: 1px; }
.logo--on-dark .logo__word { color: var(--text-on-dark); }
.logo__sub {
  font-family: var(--font-mono); font-weight: 500; font-size: 9.5px;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--accent-strong); margin-top: 5px;
}
.logo--on-dark .logo__sub { color: var(--accent); }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink-900); border-bottom: 1px solid var(--border-dark);
}
.site-header__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.primary-nav { display: flex; align-items: center; gap: 4px; }
.primary-nav a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none; padding: 8px 14px; color: var(--text-on-dark-muted);
  border-bottom: 2px solid transparent; transition: color var(--dur-fast) var(--ease-out);
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--text-on-dark); }
.primary-nav a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); }
.header-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none; background: none; border: none; color: var(--text-on-dark);
  width: 40px; height: 40px; cursor: pointer; flex: none;
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 880px) {
  .primary-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--ink-900); border-bottom: 1px solid var(--border-dark);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 0; display: none;
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 14px var(--gutter); border-bottom: 1px solid var(--border-dark); }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-cta .btn span.btn-label-long { display: none; }
}

/* ---- Hazard rule ---- */
.hazard-rule { height: 8px; background: var(--hazard-stripe); }
.hazard-rule--thin { height: 6px; }

/* ---- Hero ---- */
.hero {
  background: var(--ink-900); color: var(--text-on-dark); position: relative;
}
.hero__photo-band { position: relative; overflow: hidden; }
.hero__slideshow { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.8s ease;
}
.hero__slide.is-active { opacity: 1; }
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(11,11,12,0.92) 0%, rgba(11,11,12,0.78) 40%, rgba(11,11,12,0.5) 75%, rgba(11,11,12,0.38) 100%);
}
.hero__inner {
  position: relative; z-index: 2;
  max-width: var(--container); margin: 0 auto; padding: clamp(48px,7vw,96px) var(--gutter);
  min-height: clamp(480px, 56vw, 700px);
  display: flex; align-items: center;
}
.hero__inner > div { max-width: 58ch; }
.hero h1 {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(2.75rem,6vw,5.25rem); line-height: 0.92; letter-spacing: -0.015em;
  margin: 22px 0 0;
}
.hero h1 .accent { color: var(--accent); }
.hero p.lead {
  font-family: var(--font-text); font-size: var(--t-lead); line-height: 1.5;
  color: var(--text-on-dark-muted); max-width: 48ch; margin: 26px 0 0;
}
.hero__actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero__spec-strip { border-top: 1px solid var(--border-dark); }
.hero__spec-strip-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; flex-wrap: wrap; gap: 24px 28px; align-items: center; min-height: 56px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--text-on-dark-muted); padding-top: 14px; padding-bottom: 14px;
}
.hero__spec-strip-inner .live { color: var(--accent); }

@media (max-width: 880px) {
  .hero__inner { min-height: clamp(420px, 92vw, 560px); }
}

/* ---- Page header (non-home pages) ---- */
.page-header { background: var(--ink-900); color: var(--text-on-dark); }
.page-header__inner {
  max-width: var(--container); margin: 0 auto;
  padding: clamp(56px,6vw,88px) var(--gutter) clamp(40px,4vw,56px);
}
.page-header h1 {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(2.5rem,6vw,4.5rem); line-height: 0.92; letter-spacing: -0.015em;
  margin: 18px 0 0; max-width: 22ch;
}
.page-header p.lead {
  font-family: var(--font-text); font-size: var(--t-lead); line-height: 1.5;
  color: var(--text-on-dark-muted); max-width: 56ch; margin: 20px 0 0;
}

/* ---- Services grid ---- */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 1px; background: var(--border); border: 1px solid var(--border);
}
.service-tile {
  background: var(--surface); padding: 28px; position: relative;
  border-top: 3px solid transparent; transition: border-color var(--dur-base) var(--ease-out);
}
.service-tile:hover { border-top-color: var(--accent); }
.service-tile__head { display: flex; justify-content: space-between; align-items: flex-start; }
.service-tile__icon {
  width: 28px; height: 28px; flex: none; color: var(--ink-900);
}
.service-tile__num { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); letter-spacing: 0.1em; }
.service-tile h3 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.4rem; letter-spacing: -0.01em; margin: 22px 0 0; line-height: 1;
}
.service-tile p { font-family: var(--font-text); font-size: 14.5px; line-height: 1.6; color: var(--text-secondary); margin: 12px 0 18px; }
.service-tile ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.service-tile li {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em; color: var(--text-primary);
}
.service-tile li::before { content: ""; width: 6px; height: 6px; background: var(--accent); flex: none; }

/* ---- Process steps ---- */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 0; }
.process-step {
  padding: 0 28px 24px 24px; border-left: 1px solid var(--border-dark); position: relative;
}
.process-step::before {
  content: ""; position: absolute; top: 0; left: -1px; width: 2px; height: 34px; background: var(--accent);
}
.process-step__num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }
.process-step h3 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.25rem; margin: 14px 0 10px; line-height: 1; color: var(--text-on-dark);
}
.process-step p { font-family: var(--font-text); font-size: 14px; line-height: 1.6; color: var(--text-on-dark-muted); margin: 0; }

/* ---- Proof / stats band (qualitative version — no fabricated numbers) ---- */
.proof-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: clamp(20px,3vw,32px); }
.proof-item { border-top: 3px solid var(--accent); padding-top: 18px; }
.proof-item h3 {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: 1.3rem; color: var(--text-on-dark); margin: 0 0 10px; line-height: 1.05;
}
.proof-item p { font-family: var(--font-text); font-size: 14.5px; line-height: 1.6; color: var(--text-on-dark-muted); margin: 0; }

/* ---- Case study cards (index) ---- */
.cs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: clamp(20px,2.5vw,32px); }
.cs-card { text-decoration: none; color: inherit; display: block; }
.cs-card .plate { transition: filter var(--dur-base) var(--ease-out); }
.cs-card:hover .plate { filter: brightness(1.08); }
.cs-card h3 {
  margin: 14px 0 0; font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: var(--t-h3); letter-spacing: var(--ls-tight); line-height: 1.05;
}
.cs-card .meta {
  margin-top: 8px; font-family: var(--font-mono); font-size: var(--t-xs);
  letter-spacing: 0.06em; color: var(--text-muted); text-transform: uppercase;
  display: flex; gap: 10px;
}

/* ---- Case study full article ---- */
.cs-article-block { padding-top: 56px; border-top: 1px solid var(--border); }
.cs-article-block:first-child { padding-top: 0; border-top: none; }
.cs-article-title {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: var(--t-h1); line-height: 0.96; letter-spacing: -0.015em; margin: 16px 0 0;
  border-top: 3px solid var(--accent); padding-top: 18px; max-width: var(--container-narrow);
  margin-left: auto; margin-right: auto;
}
.cs-article { max-width: var(--container-narrow); margin: 0 auto; }
.cs-article h2 {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: var(--t-h2); letter-spacing: -0.01em; margin: 48px 0 16px;
}
.cs-article h2:first-child { margin-top: 0; }
.cs-article p { font-size: 1rem; line-height: 1.7; color: var(--text-primary); margin: 0 0 16px; }
.cs-article ul { margin: 0 0 16px; padding-left: 20px; }
.cs-article li { font-size: 1rem; line-height: 1.7; margin-bottom: 6px; }
.cs-quote {
  border-left: 3px solid var(--accent); padding: 4px 0 4px 20px; margin: 32px 0;
  font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; line-height: 1.3;
}
.cs-quote cite {
  display: block; margin-top: 10px; font-family: var(--font-mono); font-size: var(--t-small);
  font-style: normal; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em;
}
.cs-facts {
  width: 100%; border-collapse: collapse; margin: 24px 0 32px;
  font-family: var(--font-text); font-size: 14.5px;
}
.cs-gallery {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  margin: 8px 0 40px;
}
.cs-gallery .plate--wide { grid-column: 1 / -1; }
@media (max-width: 560px) { .cs-gallery { grid-template-columns: 1fr; } }
.cs-facts th, .cs-facts td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.cs-facts th {
  width: 160px; font-family: var(--font-mono); font-size: var(--t-xs); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); font-weight: var(--fw-medium);
}

/* ---- FAQ accordion ---- */
.faq-list { max-width: var(--container-narrow); margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item__q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 0; font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.1rem; letter-spacing: -0.005em; color: var(--text-primary);
}
.faq-item__icon { flex: none; width: 20px; height: 20px; transition: transform var(--dur-base) var(--ease-out); color: var(--accent-strong); }
.faq-item[aria-expanded="true"] .faq-item__icon { transform: rotate(45deg); }
.faq-item__a {
  max-height: 0; overflow: hidden; transition: max-height var(--dur-base) var(--ease-out);
}
.faq-item__a-inner { padding: 0 0 22px; font-size: 1rem; line-height: 1.65; color: var(--text-secondary); max-width: 68ch; }
.faq-item__a-inner p { margin: 0 0 12px; }
.faq-item__a-inner ul { padding-left: 20px; margin: 0 0 12px; }

/* ---- Contact form / direct details ---- */
.contact-grid {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.4fr);
  gap: clamp(28px,4vw,64px); align-items: start;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-direct-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-strong); margin-bottom: 18px;
}
.contact-direct-row { padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-direct-row dt {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted);
}
.contact-direct-row dd { font-family: var(--font-text); font-size: 16px; color: var(--text-primary); margin: 4px 0 0; }

.contact-form-card {
  border: 1px solid var(--border); background: var(--surface); padding: clamp(24px,4vw,40px);
}
.contact-form-card--embed { border: none; background: transparent; padding: 0; }
.contact-form-card--embed iframe { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 18px; }
.form-footer__note { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); letter-spacing: 0.04em; }

/* ---- CTA band ---- */
.cta-band-inner {
  max-width: var(--container); margin: 0 auto; padding: clamp(48px,6vw,88px) var(--gutter);
  display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap;
}
.cta-band__kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500;
}
.cta-band h2 {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(2rem,5vw,3.5rem); line-height: 0.95; letter-spacing: -0.015em; margin: 14px 0 0; max-width: 18ch;
}

/* ---- Footer ---- */
.site-footer { background: var(--ink-900); color: var(--text-on-dark); }
.site-footer__grid {
  max-width: var(--container); margin: 0 auto; padding: clamp(40px,5vw,72px) var(--gutter);
  display: grid; grid-template-columns: minmax(0,1.4fr) repeat(3, minmax(0,1fr)); gap: clamp(28px,4vw,56px);
}
@media (max-width: 760px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
.site-footer__about p { font-family: var(--font-text); font-size: 14px; line-height: 1.6; color: var(--text-on-dark-muted); margin: 20px 0 18px; max-width: 36ch; }
.site-footer__col-head {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.site-footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.site-footer__col a { font-family: var(--font-text); font-size: 14px; color: var(--text-on-dark-muted); text-decoration: none; }
.site-footer__col a:hover { color: var(--text-on-dark); }
.site-footer__bottom { border-top: 1px solid var(--border-dark); }
.site-footer__bottom-inner {
  max-width: var(--container); margin: 0 auto; padding: 20px var(--gutter);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--text-on-dark-muted);
}

/* ---- Utility ---- */
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; }
.text-secondary { color: var(--text-secondary); }
.lead-text { font-family: var(--font-text); font-size: var(--t-lead); line-height: 1.5; color: var(--text-secondary); max-width: 60ch; }