/* ==========================================================================
   Naveed Marbles — design system
   Implements Homepage Options 1c (type-led, Bodoni display) + inner screens.
   Tokens lifted directly from the Claude Design source.
   ========================================================================== */

:root {
  /* Colour */
  --ink:        #1F2421;   /* near-black green, all body text + dark sections */
  --paper:      #F7F5F1;   /* primary page background */
  --paper-2:    #EDE9E1;   /* alternating band background */
  --paper-3:    #FDFCFA;   /* raised card background */
  --indigo:     #2A1668;   /* primary action + italic display accent */
  --red:        #D0201C;   /* hover + high-emphasis CTA */

  --ink-78:  rgba(31, 36, 33, .78);
  --ink-74:  rgba(31, 36, 33, .74);
  --ink-22:  rgba(31, 36, 33, .22);
  --ink-16:  rgba(31, 36, 33, .16);
  --ink-14:  rgba(31, 36, 33, .14);
  --ink-12:  rgba(31, 36, 33, .12);
  --ink-10:  rgba(31, 36, 33, .10);
  --paper-85: rgba(247, 245, 241, .9);
  --paper-78: rgba(247, 245, 241, .78);
  --paper-75: rgba(247, 245, 241, .75);
  --paper-40: rgba(247, 245, 241, .4);

  /* Type */
  --display: 'Bodoni Moda', Georgia, serif;
  --body:    'Jost', system-ui, -apple-system, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* Layout */
  --gutter: 60px;
  --maxw: 1280px;
}

/* --- reset ---------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

/* Bodoni Moda is a variable font with an optical-size axis. The design pins
   opsz to 13 so display type keeps its fine hairlines at large sizes. */
h1, h2, h3, h4, .display {
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

p { margin: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper);
  padding: 14px 20px; font: 400 12px/1 var(--body); letter-spacing: .14em;
}
.skip-link:focus { left: 0; }

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

/* --- shared type roles ---------------------------------------------------- */

.eyebrow {
  font: 400 11px/1 var(--mono);
  letter-spacing: .22em;
  color: var(--ink-74);
  text-transform: uppercase;
}
.eyebrow--wide { letter-spacing: .34em; font-family: var(--body); }

.lede    { font: 300 15.5px/1.8 var(--body); color: var(--ink-78); }
.body-sm { font: 300 14px/1.7  var(--body); color: var(--ink-78); }
.caption { font: 400 9.5px/1 var(--mono); letter-spacing: .14em; color: var(--ink-74); }

.italic-accent { font-style: italic; color: var(--indigo); }

/* --- buttons -------------------------------------------------------------- */

.btn {
  display: inline-block;
  font: 400 12px/1 var(--body);
  letter-spacing: .14em;
  padding: 18px 34px;
  text-align: center;
  transition: background .2s, color .2s, border-color .2s;
  cursor: pointer;
}
.btn--primary { background: var(--indigo); color: var(--paper); }
.btn--primary:hover { background: var(--ink); }
.btn--red { background: var(--red); color: var(--paper); }
.btn--red:hover { background: var(--paper); color: var(--red); }
.btn--outline { border: 1px solid var(--ink-22); color: var(--ink); padding: 17px 33px; }
.btn--outline:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--outline-light { border: 1px solid var(--paper-40); color: var(--paper); padding: 17px 33px; }
.btn--outline-light:hover { background: rgba(247,245,241,.1); border-color: var(--paper); }
.btn[disabled] { opacity: .4; cursor: not-allowed; }

.link-rule {
  display: inline-block;
  font: 400 12px/1 var(--body);
  letter-spacing: .14em;
  color: var(--indigo);
  border-bottom: 1px solid rgba(42,22,104,.4);
  padding-bottom: 5px;
  transition: color .2s, border-color .2s;
}
.link-rule:hover { color: var(--red); border-color: var(--red); }

/* --- header --------------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px var(--gutter);
  background: var(--paper);
  border-bottom: 1px solid var(--ink-12);
}
.site-header__nav {
  display: flex;
  gap: 26px;
  align-items: center;
  flex: 1;
}
.site-header__nav--end { justify-content: flex-end; }

.nav-link {
  font: 400 12px/1 var(--body);
  letter-spacing: .12em;
  color: var(--ink);
  transition: color .2s;
}
.nav-link:hover { color: var(--red); }
.nav-link[aria-current="page"] {
  border-bottom: 1px solid var(--indigo);
  padding-bottom: 4px;
}
.nav-cta {
  font: 400 12px/1 var(--body);
  letter-spacing: .12em;
  color: var(--paper);
  background: var(--indigo);
  padding: 13px 20px;
  transition: background .2s;
}
.nav-cta:hover { background: var(--red); }

.site-header__logo { width: 40px; height: 40px; object-fit: contain; }

/* Mobile-only pieces of the header, hidden on desktop. */
.site-header__wordmark,
.nav-toggle { display: none; }

/* --- footer --------------------------------------------------------------- */

.site-footer {
  background: var(--ink);
  border-top: 1px solid rgba(247,245,241,.14);
  padding: 30px var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.site-footer span, .site-footer a {
  font: 400 11px/1.6 var(--mono);
  letter-spacing: .12em;
  color: var(--paper-75);
}
.site-footer a:hover { color: var(--paper); }

/* --- layout helpers ------------------------------------------------------- */

.section { padding: 80px var(--gutter); background: var(--paper); }
.section--tight   { padding: 60px var(--gutter) 40px; }
.section--flush   { padding: 0 var(--gutter) 80px; }
.section--band    { background: var(--paper-2); padding: 70px var(--gutter); }
.section--dark    { background: var(--ink); padding: 80px var(--gutter); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--paper); }
.section--dark p  { color: var(--paper-78); }

.rule-top { border-top: 1px solid var(--ink-16); padding-top: 48px; }

/* Page intro: big display heading left, supporting paragraph right. */
.page-head { padding: 64px var(--gutter) 40px; background: var(--paper); }
.page-head__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: end;
  margin-top: 18px;
}
.page-head h1 { font-size: 62px; line-height: 1.05; }
.page-head p { max-width: 440px; }

/* --- photo placeholders ---------------------------------------------------
   The design ships every photo as a striped placeholder with a caption of what
   belongs there. Kept deliberately: they are a live shot-list for the client.
   Replace `.photo` with an <img> as real photography arrives.              */

.photo {
  position: relative;
  background: repeating-linear-gradient(
    100deg,
    var(--ph-a, #cbc3b4) 0px,
    var(--ph-a, #cbc3b4) 22px,
    var(--ph-b, #c2b9a8) 22px,
    var(--ph-b, #c2b9a8) 44px
  );
}
.photo__label {
  position: absolute;
  bottom: 18px;
  left: 18px;
  font: 400 9.5px/1 var(--mono);
  letter-spacing: .14em;
  color: var(--ink-74);
  background: var(--paper-85);
  padding: 7px 10px;
}
.photo__label--top { top: 16px; bottom: auto; }
.photo__label--bare { background: none; padding: 0; }

/* --- homepage: hero ------------------------------------------------------- */

.hero {
  padding: 44px var(--gutter) 0;
  background: var(--paper);
  text-align: center;
}
.hero h1 {
  font-size: 132px;
  line-height: 1;
  letter-spacing: -.02em;
  margin: 0;
}
.hero__eyebrow {
  margin: 0 0 26px;
  font: 400 11px/1 var(--body);
  letter-spacing: .34em;
  color: var(--ink-74);
}
.hero__sub {
  margin: 30px auto 0;
  max-width: 520px;
  font: 300 16px/1.8 var(--body);
  color: var(--ink-78);
}
.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin: 36px 0 52px;
  flex-wrap: wrap;
}
.hero__photo { height: 440px; }

/* Ticker of proof points under the hero. */
.proof-bar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px var(--gutter);
  background: var(--paper);
  border-bottom: 1px solid var(--ink-12);
}
.proof-bar span {
  font: 400 11px/1 var(--body);
  letter-spacing: .18em;
  color: var(--ink-74);
}

/* --- homepage: asymmetric category gallery -------------------------------- */

.cat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.cat-card { display: block; transition: transform .3s; }
.cat-card:hover { transform: translateY(-6px); }
.cat-card--tall { grid-row: span 2; }

/* Swatch mosaics standing in for category photography. */
.swatch-mosaic { display: grid; }
.swatch-mosaic--3x3 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  height: 520px;
}
.swatch-mosaic--4 { grid-template-columns: repeat(4, 1fr); height: 230px; }
.swatch-mosaic--4x2 { grid-template-columns: repeat(4, 1fr); height: 230px; }

.cat-card__meta { padding: 22px 0 0; }
.cat-card--tall .cat-card__meta { padding-top: 24px; }
.cat-card__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.cat-card__row h3 { font-size: 32px; line-height: 1; }
.cat-card--tall .cat-card__row h3 { font-size: 38px; }
.cat-card__count {
  font: 400 11px/1 var(--body);
  letter-spacing: .16em;
  color: var(--indigo);
  white-space: nowrap;
}
.cat-card__meta p { margin-top: 10px; max-width: 460px; }

/* --- homepage: factory advantage ------------------------------------------ */

.split-60 {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 60px;
}
.stat-rows { display: flex; flex-direction: column; }
.stat-row {
  display: flex;
  gap: 36px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-12);
}
.stat-row:last-child { border-bottom: 0; }
.stat-row__num {
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 600;
  font-size: 44px;
  line-height: 1;
  min-width: 132px;
}
.stat-row__label { font: 300 15px/1.6 var(--body); color: var(--ink-78); }

/* --- homepage: three steps ------------------------------------------------ */

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}
.before-after .photo { height: 340px; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
}
.step { text-align: center; }
.step__numeral {
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 600;
  font-style: italic;
  font-size: 56px;
  line-height: 1;
  color: var(--indigo);
  margin-bottom: 16px;
}
.step h3 { font-size: 22px; line-height: 1.25; margin-bottom: 10px; }
.step p { font: 300 14px/1.8 var(--body); color: var(--ink-78); }

/* --- homepage: sanitary ware strip ---------------------------------------- */

.strip {
  padding: 64px var(--gutter);
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: center;
}
.strip .photo { height: 220px; }

/* --- homepage: closing CTA ------------------------------------------------ */

.cta-close {
  background: var(--ink);
  padding: 110px var(--gutter);
  text-align: center;
}
.cta-close h2 { font-size: 62px; line-height: 1.06; color: var(--paper); }
.cta-close .eyebrow { color: var(--paper-78); letter-spacing: .3em; font-family: var(--body); margin-bottom: 26px; }
.cta-close p { margin: 26px auto 0; max-width: 500px; font: 300 15px/1.8 var(--body); color: var(--paper-78); }
.cta-close__actions { display: flex; gap: 14px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }

/* Dark full-width CTA used across inner pages. */
.cta-band {
  background: var(--ink);
  padding: 70px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.cta-band h2 { font-size: 36px; line-height: 1.15; color: var(--paper); margin-bottom: 12px; }
.cta-band p { max-width: 520px; font: 300 15px/1.75 var(--body); color: var(--paper-78); }
.cta-band .btn { white-space: nowrap; }

.cta-band--light { background: var(--paper-2); }
.cta-band--light h2 { color: var(--ink); }
.cta-band--light p { color: var(--ink-78); }

/* --- materials catalog (2a) ------------------------------------------------ */

.catalog {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 40px;
  padding: 0 var(--gutter) 80px;
  background: var(--paper);
  align-items: start;
}

.filter-rail {
  border-top: 1px solid var(--ink-16);
  padding-top: 24px;
  position: sticky;
  top: 20px;
}
.filter-rail__title {
  font: 400 10.5px/1 var(--mono);
  letter-spacing: .18em;
  color: var(--ink-74);
  margin-bottom: 14px;
}
.filter-rail__group { display: flex; flex-direction: column; gap: 2px; margin-bottom: 30px; }

.filter-cat {
  display: flex;
  justify-content: space-between;
  font: 400 14px/1 var(--body);
  color: var(--ink);
  padding: 11px 12px;
  transition: background .15s, color .15s;
  text-align: left;
  width: 100%;
}
.filter-cat:hover { background: var(--paper-2); }
.filter-cat[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.chip-set { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 30px; }
.chip {
  font: 400 12.5px/1 var(--body);
  color: var(--ink);
  border: 1px solid var(--ink-22);
  padding: 8px 12px;
  transition: background .15s, color .15s, border-color .15s;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.filter-rail__note {
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--ink-14);
  font: 300 12.5px/1.6 var(--body);
  color: var(--ink-74);
}

.catalog__bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  border-top: 1px solid var(--ink-16);
  padding: 24px 0 20px;
  font: 400 13px/1 var(--body);
  color: var(--ink-78);
}

.stone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.stone-card { display: block; transition: transform .25s; }
.stone-card:hover { transform: translateY(-5px); }
.stone-card__swatch { height: 180px; }
.stone-card__meta {
  padding: 14px 0 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  border-bottom: 1px solid var(--ink-14);
}
.stone-card__name {
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.2;
}
.stone-card__kind {
  font: 400 9px/1 var(--mono);
  letter-spacing: .14em;
  color: var(--ink-74);
  white-space: nowrap;
}

.catalog__empty {
  padding: 60px 0;
  font: 300 15px/1.8 var(--body);
  color: var(--ink-78);
}

/* --- stone detail (2b) ----------------------------------------------------- */

.breadcrumb {
  padding: 22px var(--gutter);
  background: var(--paper);
  font: 400 11px/1.6 var(--mono);
  letter-spacing: .14em;
  color: var(--ink-74);
}
.breadcrumb a { color: var(--ink-74); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb [aria-current] { color: var(--ink); }

.stone-detail {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  background: var(--paper);
}
.stone-detail__media {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: var(--gutter);
}
.stone-detail__hero {
  height: 520px;
  position: relative;
  border: 1px solid var(--ink-10);
}
.stone-detail__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.stone-detail__thumb { height: 96px; position: relative; }
.stone-detail__thumb[aria-current="true"] { border: 1px solid var(--indigo); }
.stone-detail__thumb span {
  position: absolute; bottom: 8px; left: 8px;
  font: 400 8px/1 var(--mono); color: var(--ink-74);
}

.stone-detail__info { padding: 0 var(--gutter) 0 48px; }
.stone-detail__info h1 { font-size: 54px; line-height: 1.05; margin-bottom: 16px; }
.stone-detail__info .eyebrow { letter-spacing: .2em; margin-bottom: 14px; }
.stone-detail__intro { margin-bottom: 30px; font: 300 15.5px/1.8 var(--body); color: var(--ink-78); }

.spec-table { border-top: 1px solid var(--ink-16); }
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-10);
  font: 400 13px/1.4 var(--body);
}
.spec-row:last-child { border-bottom: 0; }
.spec-row dt { color: var(--ink-74); margin: 0; }
.spec-row dd { color: var(--ink); margin: 0; text-align: right; }

.stone-detail__actions { display: flex; flex-direction: column; gap: 11px; margin-top: 30px; }
.stone-detail__actions .btn { padding: 19px; }
.stone-detail__note { margin-top: 18px; font: 300 12.5px/1.6 var(--body); color: var(--ink-74); }

.related-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 26px;
  border-top: 1px solid var(--ink-16);
  padding-top: 26px;
}
.related-head h2 { font-size: 30px; line-height: 1.1; }
.related-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.related-grid a { transition: opacity .2s; }
.related-grid a:hover { opacity: .85; }
.related-grid__swatch { height: 140px; }
.related-grid__name {
  padding-top: 12px;
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.2;
}
.related-grid__kind {
  padding-top: 4px;
  font: 400 9px/1 var(--mono);
  letter-spacing: .12em;
  color: var(--ink-74);
}

/* --- expertise (2c) -------------------------------------------------------- */

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  display: block;
  border-top: 1px solid var(--ink-16);
  padding-top: 18px;
  transition: transform .25s;
}
.service-card:hover { transform: translateY(-5px); }
.service-card__photo { height: 190px; position: relative; margin-bottom: 18px; }
.service-card__photo span {
  position: absolute; bottom: 12px; left: 12px;
  font: 400 9px/1 var(--mono); letter-spacing: .12em;
  color: var(--ink-74); background: var(--paper-85); padding: 6px 8px;
}
.service-card h3 { font-size: 25px; line-height: 1.15; margin-bottom: 9px; }

/* --- projects (2d) --------------------------------------------------------- */

.project-filters { display: flex; gap: 8px; margin-top: 40px; flex-wrap: wrap; }

.project-hero { display: block; margin-bottom: 28px; transition: opacity .2s; }
.project-hero:hover { opacity: .92; }
.project-hero__inner {
  height: 460px;
  position: relative;
  display: flex;
  align-items: flex-end;
}
.project-hero__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(31,36,33,.88), rgba(31,36,33,.58) 45%, rgba(31,36,33,.1));
}
.project-hero__copy { position: relative; padding: 40px; }
.project-hero__copy h2 { font-size: 42px; line-height: 1.08; color: var(--paper); margin-bottom: 10px; }
.project-hero__copy p { max-width: 540px; font: 300 15px/1.75 var(--body); color: rgba(247,245,241,.85); }
.project-hero__kicker {
  margin-bottom: 10px;
  font: 400 10.5px/1 var(--mono);
  letter-spacing: .2em;
  color: rgba(247,245,241,.85);
}

.project-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.project-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 28px; }

.project-card { display: block; transition: opacity .2s; }
.project-card:hover { opacity: .92; }
.project-card--lg .photo { height: 320px; }
.project-card--sm .photo { height: 240px; }
.project-card__meta { padding: 18px 0 16px; }
.project-card--lg .project-card__meta { border-bottom: 1px solid var(--ink-14); }
.project-card__kicker {
  margin-bottom: 6px;
  font: 400 9.5px/1 var(--mono);
  letter-spacing: .18em;
  color: var(--ink-74);
}
.project-card--lg h3 { font-size: 28px; line-height: 1.1; margin-bottom: 8px; }
.project-card--sm h3 { font-size: 22px; line-height: 1.15; margin-bottom: 6px; }
.project-card--sm .project-card__kicker { font-size: 9px; letter-spacing: .16em; }
.project-card--sm p { font-size: 13.5px; line-height: 1.65; }

.project-card.is-hidden, .stone-card.is-hidden { display: none; }

/* --- about (2e) ------------------------------------------------------------ */

.about-hero { padding: 64px var(--gutter) 48px; background: var(--paper); text-align: center; }
.about-hero h1 { margin: 0 auto; max-width: 900px; font-size: 62px; line-height: 1.06; }
.about-hero p { margin: 26px auto 0; max-width: 620px; font: 300 16px/1.85 var(--body); color: var(--ink-78); }

.machine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--ink-14);
  border: 1px solid var(--ink-14);
}
.machine {
  background: var(--paper);
  padding: 24px;
}
.machine__name {
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 500;
  font-size: 19px;
  line-height: 1.2;
  margin-bottom: 8px;
}
.machine p { font: 300 13.5px/1.7 var(--body); color: var(--ink-78); }

.stat-quad { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.stat-quad__num {
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 600;
  font-size: 50px;
  line-height: 1;
  color: var(--paper);
}
.stat-quad__label { margin-top: 10px; font: 300 14px/1.6 var(--body); color: var(--paper-78); }

.split-even {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

/* Wide copy column beside a fixed-width map / photo. */
.split-aside {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: center;
}

.visit-grid { display: flex; gap: 34px; flex-wrap: wrap; }
.visit-grid dt {
  font: 400 10.5px/1 var(--mono);
  letter-spacing: .16em;
  color: var(--ink-74);
  margin-bottom: 7px;
}
.visit-grid dd { font: 400 14px/1.5 var(--body); color: var(--ink); margin: 0; }

.map-placeholder {
  height: 240px;
  position: relative;
  background: repeating-linear-gradient(45deg, #ddd9d1 0px, #ddd9d1 14px, #d5d1c9 14px, #d5d1c9 28px);
}

/* --- contact / guided quote (2f) ------------------------------------------- */

.quote-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  padding: 0 var(--gutter) 80px;
  background: var(--paper);
  align-items: start;
}

.wizard { border: 1px solid var(--ink-16); background: var(--paper-3); }

.wizard__steps { display: flex; border-bottom: 1px solid var(--ink-14); }
.wizard__step {
  flex: 1;
  padding: 18px 22px;
  border-right: 1px solid var(--ink-10);
  text-align: left;
  transition: background .2s;
}
.wizard__step:last-child { border-right: 0; }
.wizard__step-num {
  font: 400 9.5px/1 var(--mono);
  letter-spacing: .16em;
  color: var(--ink-74);
  margin-bottom: 7px;
}
.wizard__step-name { font: 400 14px/1 var(--body); color: var(--ink-78); }
.wizard__step[aria-current="step"] { background: var(--ink); }
.wizard__step[aria-current="step"] .wizard__step-num { color: var(--paper-75); }
.wizard__step[aria-current="step"] .wizard__step-name { color: var(--paper); }
.wizard__step.is-done .wizard__step-name { color: var(--ink); }

.wizard__panel { padding: 40px; }
.wizard__panel[hidden] { display: none; }
.wizard__panel h2 { font-size: 32px; line-height: 1.15; margin-bottom: 8px; }
.wizard__panel > p { margin-bottom: 30px; font: 300 14.5px/1.7 var(--body); color: var(--ink-78); }

.option-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 34px; }
.option {
  border: 1px solid var(--ink-22);
  padding: 22px 20px;
  text-align: left;
  transition: border-color .15s, background .15s;
}
.option:hover { border-color: var(--indigo); }
.option[aria-pressed="true"] { border-color: var(--indigo); background: #F2F0FA; }
.option__name {
  display: block;
  font-family: var(--display);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 13;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  margin-bottom: 7px;
}
.option__hint { display: block; font: 300 13px/1.55 var(--body); color: var(--ink-78); }

.option-grid--stones { grid-template-columns: repeat(4, 1fr); }
.option--stone { padding: 0; border: 1px solid var(--ink-22); }
.option--stone .option__swatch { height: 76px; }
.option--stone .option__name { font-size: 15px; margin: 0; padding: 12px 12px 14px; }
.option--stone[aria-pressed="true"] { border-color: var(--indigo); background: #F2F0FA; }

.field { margin-bottom: 22px; }
.field label {
  display: block;
  font: 400 10.5px/1 var(--mono);
  letter-spacing: .16em;
  color: var(--ink-74);
  margin-bottom: 9px;
  text-transform: uppercase;
}
.field input, .field textarea, .field select {
  width: 100%;
  font: 300 15px/1.5 var(--body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink-22);
  padding: 14px 15px;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--indigo);
}
.field textarea { resize: vertical; min-height: 110px; }
.field__hint { margin-top: 8px; font: 300 12.5px/1.6 var(--body); color: var(--ink-74); }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field-error {
  margin-top: 8px;
  font: 400 12.5px/1.6 var(--body);
  color: var(--red);
}
.field-error[hidden] { display: none; }

.wizard__nav {
  border-top: 1px solid var(--ink-14);
  padding-top: 26px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}
.wizard__nav .btn { padding: 16px 28px; }

.quote-summary {
  margin: 0 0 26px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--ink-14);
}
.quote-summary dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 20px; }
.quote-summary dt { font: 400 10.5px/1.4 var(--mono); letter-spacing: .14em; color: var(--ink-74); }
.quote-summary dd { margin: 0; font: 400 14px/1.4 var(--body); color: var(--ink); }

.quote-aside { display: flex; flex-direction: column; gap: 22px; }
.quote-aside__dark { background: var(--ink); padding: 30px; }
.quote-aside__dark h3 { font-size: 24px; line-height: 1.2; color: var(--paper); margin-bottom: 10px; }
.quote-aside__dark p { margin-bottom: 20px; font: 300 14px/1.7 var(--body); color: var(--paper-78); }
.quote-aside__dark .btn { display: block; margin-bottom: 11px; }
.quote-aside__dark .btn:last-child { margin-bottom: 0; }
.quote-aside__box { border: 1px solid var(--ink-16); padding: 26px; }
.quote-aside__box .filter-rail__title { margin-bottom: 16px; }
.quote-aside__addr { font: 400 15px/1.7 var(--body); color: var(--ink); margin-bottom: 18px; }
.quote-aside__hours {
  font: 300 14px/1.7 var(--body);
  color: var(--ink-78);
  padding-top: 16px;
  border-top: 1px solid var(--ink-12);
}

/* --- mobile (2g) -----------------------------------------------------------
   The design supplies a dedicated 390px homepage. Everything below rebuilds
   that artboard as the small-screen state of the same markup.              */

.mobile-action-bar { display: none; }

@media (max-width: 900px) {
  :root { --gutter: 22px; }

  /* Header collapses to logo · wordmark · toggle, per 2g. */
  .site-header { padding: 16px var(--gutter); }
  .site-header__logo { width: 32px; height: 32px; }
  .site-header__wordmark {
    display: block;
    font: 400 11px/1 var(--mono);
    letter-spacing: .16em;
    color: var(--ink);
  }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    height: 24px;
    justify-content: center;
    align-items: flex-end;
    padding: 0;
  }
  .nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--ink);
    transition: transform .2s, opacity .2s, width .2s;
  }
  .nav-toggle span:last-child { width: 14px; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:last-child { width: 22px; transform: translateY(-6.5px) rotate(-45deg); }

  /* Both nav groups drop below the bar and stack as one panel. Using flex-wrap
     rather than absolute positioning keeps them from overlapping each other. */
  .site-header { position: relative; flex-wrap: wrap; row-gap: 0; }
  .site-header__mark { order: 1; }
  .site-header__wordmark { order: 2; }
  .nav-toggle { order: 3; }
  .site-header__nav { order: 4; }
  .site-header__nav--end { order: 5; }

  .site-header__nav {
    display: none;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 8px;
  }
  .site-header__nav--end { padding-top: 0; padding-bottom: 12px; }
  .site-header.is-open .site-header__nav { display: flex; }
  .site-header__nav .nav-link,
  .site-header__nav .nav-cta {
    padding: 15px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--ink-12);
  }
  .site-header__nav .nav-cta {
    background: none;
    color: var(--indigo);
    border-bottom: 1px solid var(--ink-12);
  }
  .site-header__nav .nav-cta:hover { background: none; color: var(--red); }
  .site-header__nav--end { justify-content: flex-start; }

  /* Hero: 46px display, photo detached below the copy. */
  .hero { padding: 36px var(--gutter) 28px; }
  .hero h1 { font-size: 46px; line-height: 1.06; letter-spacing: 0; }
  .hero__eyebrow { font-family: var(--mono); font-size: 9.5px; letter-spacing: .2em; margin-bottom: 18px; }
  .hero__sub { margin-top: 20px; font-size: 14.5px; line-height: 1.75; }
  .hero__actions { display: none; }  /* replaced by the sticky bar */
  .hero__photo { height: 280px; }

  /* Proof points become a 2×2 grid of mono labels. */
  .proof-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    padding: 0;
    background: var(--ink-12);
    border-bottom: 1px solid var(--ink-12);
  }
  .proof-bar span {
    background: var(--paper);
    padding: 16px 18px;
    font-family: var(--mono);
    font-size: 11px;
    line-height: 1.4;
    letter-spacing: .1em;
  }

  .section, .section--tight, .section--flush, .section--band, .section--dark {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }
  .section { padding-top: 36px; padding-bottom: 36px; }
  .section--band { padding-top: 34px; padding-bottom: 34px; }

  /* Category gallery stacks; mosaics flatten to a single 4-up strip. */
  .cat-grid { grid-template-columns: 1fr; gap: 24px; }
  .cat-card--tall { grid-row: auto; }
  .swatch-mosaic--3x3 {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: none;
    height: 120px;
  }
  .swatch-mosaic--3x3 > :nth-child(n+5) { display: none; }
  .swatch-mosaic--4, .swatch-mosaic--4x2 { height: 120px; }
  .swatch-mosaic--4x2 > :nth-child(n+5) { display: none; }
  .cat-card__meta, .cat-card--tall .cat-card__meta { padding-top: 12px; }
  .cat-card__row h3, .cat-card--tall .cat-card__row h3 { font-size: 26px; }
  .cat-card__meta p { display: none; }
  .cat-card__count { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; }

  h2 { font-size: 30px; line-height: 1.12; }

  .split-60, .split-even, .split-aside, .strip, .page-head__grid, .before-after,
  .machine-grid, .quote-layout, .catalog, .field-pair {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .rule-top { padding-top: 30px; }

  /* Three steps: numerals stack left-aligned. */
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .step { text-align: left; }
  .step__numeral { font-size: 34px; margin-bottom: 8px; }
  .step h3 { font-size: 19px; font-weight: 500; margin-bottom: 6px; }

  .before-after { margin-bottom: 30px; }
  .before-after .photo { height: 200px; }

  .stat-rows { gap: 0; }
  .stat-row { gap: 16px; padding: 16px 0; }
  .stat-row__num { font-size: 32px; min-width: 92px; }
  .stat-quad { grid-template-columns: 1fr 1fr; gap: 26px; }
  .stat-quad__num { font-size: 36px; }

  .cta-close { padding: 44px var(--gutter); }
  .cta-close h2 { font-size: 34px; line-height: 1.1; }
  .cta-close__actions { display: none; }  /* replaced by the sticky bar */
  .cta-band { flex-direction: column; align-items: flex-start; padding: 40px var(--gutter); gap: 24px; }
  .cta-band h2 { font-size: 26px; }

  .page-head { padding: 36px var(--gutter) 24px; }
  .page-head h1 { font-size: 38px; }
  .about-hero { padding: 36px var(--gutter) 28px; }
  .about-hero h1 { font-size: 38px; }
  .about-hero p { font-size: 15px; }

  /* Catalog: rail above the grid, two stones per row. */
  .filter-rail { position: static; }
  .stone-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stone-card__swatch { height: 130px; }

  .stone-detail { grid-template-columns: 1fr; }
  .stone-detail__media { padding: 0 var(--gutter); }
  .stone-detail__hero { height: 300px; }
  .stone-detail__info { padding: 28px var(--gutter) 0; }
  .stone-detail__info h1 { font-size: 36px; }
  .related-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .related-grid__swatch { height: 96px; }

  .service-grid { grid-template-columns: 1fr; gap: 22px; }
  .project-pair, .project-trio { grid-template-columns: 1fr; gap: 22px; }
  .project-hero__inner { height: 320px; }
  .project-hero__copy { padding: 22px; }
  .project-hero__copy h2 { font-size: 26px; }
  .project-card--lg .photo { height: 220px; }
  .project-card--sm .photo { height: 200px; }

  .wizard__steps { flex-wrap: wrap; }
  .wizard__step { flex: 1 1 50%; border-bottom: 1px solid var(--ink-10); padding: 14px 16px; }
  .wizard__panel { padding: 24px var(--gutter); }
  .wizard__panel h2 { font-size: 24px; }
  .option-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .option-grid--stones { grid-template-columns: repeat(3, 1fr); }
  .option { padding: 16px 14px; }
  .option__name { font-size: 17px; }
  .option__hint { font-size: 12px; }

  .site-footer { flex-direction: column; text-align: center; padding: 24px var(--gutter); gap: 8px; }

  /* Sticky two-up action bar, straight from 2g. */
  .mobile-action-bar {
    position: sticky;
    bottom: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(247,245,241,.2);
  }
  .mobile-action-bar a {
    text-align: center;
    font: 400 12px/1 var(--body);
    letter-spacing: .1em;
    color: var(--paper);
    padding: 20px 8px;
  }
  .mobile-action-bar a:first-child { background: var(--indigo); }
  .mobile-action-bar a:last-child { background: var(--red); }
}

@media (max-width: 420px) {
  .option-grid, .option-grid--stones { grid-template-columns: 1fr 1fr; }
  .stat-quad { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
  .cat-card:hover, .stone-card:hover, .service-card:hover { transform: none; }
}

@media print {
  .site-header, .mobile-action-bar, .cta-band, .cta-close { display: none; }
}