/* =========================================================================
   SIMON BRITTON — ART WEBSITE
   Design system / global styles
   ------------------------------------------------------------------------
   Aesthetic: refined classic fine-art gallery. Sculptor of the human form
   in motion (Frink / Giacometti / Rodin lineage). Warm stone & bronze
   palette, clean contemporary grotesque type, hairline rules, generous
   negative space, kinetic staggered reveals.
   ========================================================================= */

/* ---------- Fonts ---------- */
/* Archivo (display) + Hanken Grotesk (text). Loaded via <link> in each page. */

/* ---------- Color moods (switch via data-mood on <html>) ---------- */
:root,
:root[data-mood="warm"] {
  --bg:        oklch(0.971 0.006 75);
  --bg-2:      oklch(0.945 0.008 75);
  --surface:   oklch(0.992 0.004 80);
  --ink:       oklch(0.225 0.012 60);
  --ink-soft:  oklch(0.43 0.012 60);
  --ink-faint: oklch(0.62 0.010 60);
  --line:      oklch(0.225 0.012 60 / 0.14);
  --line-soft: oklch(0.225 0.012 60 / 0.08);
  --accent:    oklch(0.52 0.058 58);   /* patinated bronze */
  --accent-ink: oklch(0.38 0.05 55);
  --ph-stripe: oklch(0.225 0.012 60 / 0.05);
  --ph-bg:     oklch(0.93 0.009 75);
}
:root[data-mood="cool"] {
  --bg:        oklch(0.972 0.004 250);
  --bg-2:      oklch(0.946 0.006 250);
  --surface:   oklch(0.992 0.003 250);
  --ink:       oklch(0.235 0.014 255);
  --ink-soft:  oklch(0.44 0.014 255);
  --ink-faint: oklch(0.63 0.012 255);
  --line:      oklch(0.235 0.014 255 / 0.14);
  --line-soft: oklch(0.235 0.014 255 / 0.08);
  --accent:    oklch(0.52 0.05 250);
  --accent-ink: oklch(0.40 0.045 250);
  --ph-stripe: oklch(0.235 0.014 255 / 0.05);
  --ph-bg:     oklch(0.93 0.007 250);
}
:root[data-mood="neutral"] {
  --bg:        oklch(0.975 0 0);
  --bg-2:      oklch(0.948 0 0);
  --surface:   oklch(0.995 0 0);
  --ink:       oklch(0.22 0 0);
  --ink-soft:  oklch(0.43 0 0);
  --ink-faint: oklch(0.62 0 0);
  --line:      oklch(0.22 0 0 / 0.14);
  --line-soft: oklch(0.22 0 0 / 0.08);
  --accent:    oklch(0.40 0 0);
  --accent-ink: oklch(0.30 0 0);
  --ph-stripe: oklch(0.22 0 0 / 0.05);
  --ph-bg:     oklch(0.93 0 0);
}
:root[data-mood="dark"] {
  --bg:        oklch(0.205 0.008 70);
  --bg-2:      oklch(0.245 0.010 70);
  --surface:   oklch(0.255 0.010 70);
  --ink:       oklch(0.93 0.008 80);
  --ink-soft:  oklch(0.74 0.010 80);
  --ink-faint: oklch(0.58 0.010 80);
  --line:      oklch(0.93 0.008 80 / 0.16);
  --line-soft: oklch(0.93 0.008 80 / 0.08);
  --accent:    oklch(0.70 0.075 65);
  --accent-ink: oklch(0.80 0.07 70);
  --ph-stripe: oklch(0.93 0.008 80 / 0.06);
  --ph-bg:     oklch(0.29 0.012 70);
}

/* ---------- Tokens ---------- */
:root {
  --font-display: "Archivo", system-ui, sans-serif;
  --font-text: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SF Mono", monospace;

  --maxw: 1320px;
  --maxw-narrow: 760px;
  --gut: clamp(20px, 5vw, 64px);

  --step--1: clamp(0.78rem, 0.74rem + 0.2vw, 0.86rem);
  --step-0:  clamp(0.95rem, 0.90rem + 0.25vw, 1.05rem);
  --step-1:  clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --step-2:  clamp(1.45rem, 1.25rem + 1vw, 2rem);
  --step-3:  clamp(1.9rem, 1.5rem + 2vw, 3rem);
  --step-4:  clamp(2.6rem, 1.8rem + 4vw, 5rem);
  --step-5:  clamp(3.4rem, 2rem + 7vw, 8.5rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-text);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01";
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.015em;
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.wrap--narrow { max-width: var(--maxw-narrow); }
.section { padding-block: clamp(56px, 9vw, 132px); }
.section--tight { padding-block: clamp(36px, 5vw, 64px); }
.section--alt { background: var(--bg-2); transition: background 0.5s var(--ease); }
.divider { height: 1px; background: var(--line); border: 0; }

/* ---------- Type helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 400;
}
.eyebrow--accent { color: var(--accent); }
.lead { font-size: var(--step-1); line-height: 1.5; color: var(--ink-soft); }
.display { font-size: var(--step-4); line-height: 0.98; letter-spacing: -0.025em; }
.display--xl { font-size: var(--step-5); }
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }
.serif-num { font-variant-numeric: lining-nums; }
.measure { max-width: 62ch; }
.balance { text-wrap: balance; }
.pretty { text-wrap: pretty; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--font-text); font-weight: 500;
  font-size: var(--step--1); letter-spacing: 0.04em;
  padding: 0.95em 1.6em; border-radius: 0;
  border: 1px solid var(--ink);
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
              border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--bg); }
.btn--block { width: 100%; justify-content: center; }
.btn--sm { padding: 0.7em 1.1em; }
.btn .arrow { transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.link-underline {
  font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink);
  display: inline-flex; align-items: center; gap: 0.6em;
  padding-bottom: 3px; border-bottom: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.link-underline:hover { border-color: var(--accent); color: var(--accent); }
.link-underline .arrow { transition: transform 0.3s var(--ease); }
.link-underline:hover .arrow { transform: translateX(4px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.site-header.is-stuck { border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.05rem; letter-spacing: 0.26em; text-transform: uppercase;
  line-height: 1;
}
.brand small {
  display: block; font-family: var(--font-mono); font-weight: 400;
  font-size: 0.56rem; letter-spacing: 0.42em; color: var(--ink-faint);
  margin-top: 5px; padding-left: 0.05em;
}
.nav__links { display: flex; align-items: center; gap: clamp(18px, 2vw, 34px); }
.nav__link {
  font-size: var(--step--1); letter-spacing: 0.02em; color: var(--ink-soft);
  position: relative; padding: 6px 0;
  transition: color 0.25s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent); transition: width 0.3s var(--ease);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--ink); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { width: 100%; }
.nav__right { display: flex; align-items: center; gap: 18px; }
.cart-btn { position: relative; display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink); }
.cart-btn .count {
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--accent); color: var(--bg); font-size: 0.62rem;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-text); font-weight: 600;
  transform: scale(0); transition: transform 0.3s var(--ease);
}
.cart-btn.has-items .count { transform: scale(1); }
.nav__burger { display: none; width: 30px; height: 18px; position: relative; }
.nav__burger span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--ink);
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease); }
.nav__burger span:nth-child(1) { top: 0; }
.nav__burger span:nth-child(2) { top: 8px; }
.nav__burger span:nth-child(3) { top: 16px; }
body.nav-open .nav__burger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.nav-open .nav__burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav__burger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Placeholders (where photos go) ---------- */
.ph {
  position: relative; width: 100%; overflow: hidden;
  aspect-ratio: var(--ratio, 4 / 5);
  background-color: var(--ph-bg);
  background-image: repeating-linear-gradient(
    -45deg, transparent 0 11px, var(--ph-stripe) 11px 12px);
}
.ph__label {
  position: absolute; inset: auto 12px 12px 12px;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint); line-height: 1.4;
}
.ph__label b { color: var(--ink-soft); font-weight: 500; }
.ph--portrait { --ratio: 4 / 5; }
.ph--square { --ratio: 1 / 1; }
.ph--tall { --ratio: 3 / 4; }
.ph--wide { --ratio: 3 / 2; }
.ph--hero { --ratio: 4 / 5; }
.ph img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Work grid / cards ---------- */
.works-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(28px, 3.5vw, 56px) clamp(24px, 2.5vw, 40px); }
.works-grid--2 { grid-template-columns: repeat(2, 1fr); }
.work-card { display: flex; flex-direction: column; }
.work-card__media { position: relative; margin-bottom: 18px; overflow: hidden; }
.work-card__media .ph { transition: transform 0.7s var(--ease); }
.work-card:hover .work-card__media .ph { transform: scale(1.03); }
.work-card__img { overflow: hidden; background: var(--ph-bg); }
.work-card__img img { width: 100%; height: auto; display: block; transition: transform 0.7s var(--ease); }
.work-card:hover .work-card__img img { transform: scale(1.03); }
.work-card__media::after {
  content: ""; position: absolute; inset: 0; background: var(--ink);
  opacity: 0; transition: opacity 0.5s var(--ease); pointer-events: none;
}
.work-card:hover .work-card__media::after { opacity: 0.04; }
.work-card__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 5px 9px; background: var(--surface);
  color: var(--ink-soft); border: 1px solid var(--line);
}
.work-card__tag--sold { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.work-card__title { font-family: var(--font-display); font-size: var(--step-1);
  font-style: italic; font-weight: 500; letter-spacing: -0.01em; }
.work-card__meta { font-size: var(--step--1); color: var(--ink-faint);
  margin-top: 6px; line-height: 1.5; display: flex; gap: 10px; flex-wrap: wrap; }
.work-card__meta .dot { color: var(--line); }
.work-card__price { margin-top: 10px; font-family: var(--font-mono);
  font-size: var(--step--1); letter-spacing: 0.04em; color: var(--ink); }

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-btn {
  font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.1em;
  text-transform: uppercase; padding: 8px 16px; border: 1px solid var(--line);
  color: var(--ink-soft); transition: all 0.3s var(--ease); white-space: nowrap;
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line);
  padding-block: clamp(48px, 7vw, 96px); transition: background 0.5s var(--ease); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
.footer-col h4 { font-family: var(--font-mono); font-size: var(--step--1);
  font-weight: 400; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--ink-soft); transition: color 0.25s var(--ease); }
.footer-col a:hover { color: var(--accent); }
.footer-brand { font-family: var(--font-display); font-weight: 600;
  font-size: 1.4rem; letter-spacing: 0.18em; text-transform: uppercase; }
.footer-statement { color: var(--ink-soft); margin-top: 14px; max-width: 34ch; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 16px; margin-top: clamp(40px, 6vw, 72px); padding-top: 24px;
  border-top: 1px solid var(--line); font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.field label { font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.input, textarea.input, select.input {
  width: 100%; padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--line); color: var(--ink); border-radius: 0;
  transition: border-color 0.3s var(--ease); font-size: var(--step-0);
}
.input:focus, textarea.input:focus { outline: none; border-color: var(--accent); }
textarea.input { resize: vertical; min-height: 140px; }

/* ---------- Cart drawer ---------- */
.cart-overlay { position: fixed; inset: 0; z-index: 90; background: oklch(0.2 0 0 / 0.4);
  opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease), visibility 0.4s; }
body.cart-open .cart-overlay { opacity: 1; visibility: visible; }
.cart-drawer { position: fixed; top: 0; right: 0; z-index: 100; height: 100%;
  width: min(440px, 92vw); background: var(--bg); border-left: 1px solid var(--line);
  transform: translateX(100%); transition: transform 0.5s var(--ease);
  display: flex; flex-direction: column; }
body.cart-open .cart-drawer { transform: translateX(0); }
.cart-head { display: flex; align-items: center; justify-content: space-between;
  padding: 24px var(--gut); border-bottom: 1px solid var(--line); }
.cart-head h3 { font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: 0.2em; text-transform: uppercase; font-weight: 400; }
.cart-close { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; }
.cart-body { flex: 1; overflow-y: auto; padding: 8px var(--gut); }
.cart-empty { padding: 60px 0; text-align: center; color: var(--ink-faint);
  font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.1em; }
.cart-item { display: grid; grid-template-columns: 64px 1fr auto; gap: 16px;
  padding: 20px 0; border-bottom: 1px solid var(--line-soft); align-items: start; }
.cart-item .ph { aspect-ratio: 1; }
.cart-item__title { font-family: var(--font-display); font-style: italic; font-size: 1rem; }
.cart-item__meta { font-size: 0.78rem; color: var(--ink-faint); margin-top: 2px; }
.cart-item__price { font-family: var(--font-mono); font-size: 0.82rem; margin-top: 6px; }
.cart-item__remove { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint); margin-top: 6px; }
.cart-item__remove:hover { color: var(--accent); }
.cart-foot { padding: 24px var(--gut); border-top: 1px solid var(--line); }
.cart-total { display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 18px; font-family: var(--font-mono); letter-spacing: 0.08em; }
.cart-total .amt { font-size: var(--step-1); }
.cart-note { font-size: 0.72rem; color: var(--ink-faint); margin-top: 12px; text-align: center; line-height: 1.5; }

/* ---------- Detail page specs ---------- */
.spec { border-top: 1px solid var(--line); }
.spec__row { display: flex; justify-content: space-between; gap: 24px;
  padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.spec__row dt { font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }
.spec__row dd { text-align: right; color: var(--ink); }

/* ---------- Exhibitions timeline ---------- */
.tl-item { display: grid; grid-template-columns: 130px 1fr; gap: clamp(20px, 4vw, 56px);
  padding: clamp(24px, 3vw, 40px) 0; border-top: 1px solid var(--line);
  align-items: baseline; }
.tl-year { font-family: var(--font-display); font-size: var(--step-2);
  color: var(--accent); letter-spacing: -0.02em; }
.tl-body h3 { font-size: var(--step-2); margin-bottom: 6px; }
.tl-venue { color: var(--ink-soft); }
.tl-type { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-faint); margin-top: 8px; }

/* ---------- CV ---------- */
.cv-row { display: grid; grid-template-columns: 90px 1fr; gap: 28px;
  padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
.cv-row .yr { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-faint); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); }
.reveal.in { opacity: 1; transform: none;
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal[data-d="1"].in { transition-delay: 0.08s; }
.reveal[data-d="2"].in { transition-delay: 0.16s; }
.reveal[data-d="3"].in { transition-delay: 0.24s; }
.reveal[data-d="4"].in { transition-delay: 0.32s; }
.reveal[data-d="5"].in { transition-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Misc layout pieces ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.split--media-right { grid-template-columns: 1fr 1fr; }
.stack-lg > * + * { margin-top: clamp(20px, 3vw, 40px); }
.stack-md > * + * { margin-top: 18px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 6px 12px; border: 1px solid var(--line); color: var(--ink-soft); }

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-top: clamp(40px, 6vw, 92px); padding-bottom: clamp(28px, 4vw, 56px); }
.page-head .eyebrow { margin-bottom: 18px; }
.page-head h1 { font-size: var(--step-4); line-height: 0.98; letter-spacing: -0.025em; }
.page-head .lead { margin-top: 22px; }
.page-head--center { text-align: center; }
.page-head--center .lead { margin-inline: auto; }

/* ---------- Prose ---------- */
.prose { max-width: 65ch; }
.prose p { margin-bottom: 1.2em; color: var(--ink-soft); }
.prose p.pretty { text-wrap: pretty; }
.prose h3 { font-size: var(--step-2); margin: 1.6em 0 0.5em; color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 600; }
.drop-cap::first-letter { font-family: var(--font-display); font-size: 3.4em; line-height: 0.8;
  float: left; padding: 6px 14px 0 0; color: var(--accent); font-weight: 500; }

/* ---------- Two-column info ---------- */
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 64px); }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 48px); }
.info-block h3 { font-size: var(--step-1); margin-bottom: 10px; }
.info-block .num { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  color: var(--accent); display: block; margin-bottom: 12px; }
.info-block p { color: var(--ink-soft); }

/* ---------- Notice / banner ---------- */
.notice { background: var(--bg-2); border: 1px solid var(--line); padding: 18px 22px;
  font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.04em;
  color: var(--ink-soft); display: flex; gap: 14px; align-items: baseline; }
.notice b { color: var(--accent); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.7rem; }

@media (max-width: 860px) {
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split, .works-grid--2 { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 1000px) {
  .nav__burger { display: block; }
  .nav__links {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 12px var(--gut) 28px; align-items: flex-start;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  }
  body.nav-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav__link { font-size: var(--step-1); padding: 12px 0; width: 100%;
    border-bottom: 1px solid var(--line-soft); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
