/* Open Sans (variable, latin), self-hosted. SIL Open Font License. */
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("../fonts/open-sans-latin.woff2") format("woff2");
}

/* Premium Stone: design tokens */
:root {
  --c-ink: #141414;
  --c-ink-soft: #2a2a29;
  --c-stone-600: #5f5d59;
  --c-stone-400: #8f8c86;
  --c-stone-200: #d9d5ce;
  --c-stone-100: #efece6;
  --c-paper: #faf9f6;
  --c-white: #ffffff;
  --c-gold: #a4824c;
  --c-gold-light: #c9ab78;
  --c-star: #c8952e;
  --c-star-light: #f2cf72;
  --c-error: #a5361f;

  --f-display: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Open Sans", "Helvetica Neue", Arial, sans-serif;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-h3: 1.3125rem;
  --fs-h2: clamp(1.875rem, 1.5rem + 1.5vw, 2.75rem);
  --fs-h1: clamp(2.25rem, 1.6rem + 2.6vw, 3.75rem);

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4.5rem;
  --sp-9: clamp(4.5rem, 3rem + 5vw, 7.5rem);

  --max-w: 1240px;
  --gutter: clamp(1rem, 0.5rem + 2.5vw, 3rem);
  --rule: 1px solid var(--c-stone-200);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --i-tick: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");
  --i-star: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2.6l2.83 5.74 6.33.92-4.58 4.47 1.08 6.3L12 17.05l-5.66 2.98 1.08-6.3-4.58-4.47 6.33-.92z' fill='%23000' stroke='%23000' stroke-width='1.4' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-white);
  color: var(--c-ink);
  font-family: var(--f-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-weight: 400; }
h1 strong { font-weight: 600; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--c-gold); outline-offset: 3px; }
.no-ring:focus-visible { outline: none; }
h1, h2, h3, .btn, figcaption, summary, .hero__sub, .slab-viewer__tip, .announce__text { text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
a, button, summary { -webkit-tap-highlight-color: rgba(20, 20, 20, .06); }
a[href^="tel:"] { white-space: nowrap; }

.container { width: 100%; max-width: var(--max-w); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: var(--sp-4); top: -100px; z-index: 100; background: var(--c-ink); color: var(--c-white); padding: var(--sp-2) var(--sp-4); }
.skip-link:focus { top: var(--sp-4); }


/* Buttons and links */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 52px;
  padding: 0 var(--sp-6);
  font-family: var(--f-body);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--c-ink);
  border-radius: 0;
  cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn--sm { min-height: 44px; padding: 0 var(--sp-5); }
.btn--outline { background-color: transparent; color: var(--c-ink); }
.btn--outline:hover { color: var(--c-white); }
.btn--solid { --fill: var(--c-gold); background-color: var(--c-ink); color: var(--c-white); }
.btn--solid:hover { border-color: var(--c-gold); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: var(--sp-2);
  border-bottom: 1px solid currentColor;
}
.link-arrow::after { content: "\2192"; transition: transform .25s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: 0;
  color: var(--c-ink);
  cursor: pointer;
}
.icon-btn svg, .announce__arrow svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn:hover { color: var(--c-gold); }

/* Announcement bar */
.announce { position: relative; background: var(--c-ink); color: var(--c-stone-100); }
.announce[hidden] { display: none; }
.announce__text { padding-block: var(--sp-2); padding-right: var(--sp-8); padding-left: var(--sp-8); text-align: center; font-size: 0.9375rem; line-height: 1.5; }
.announce__close { display: none; position: absolute; top: 50%; right: var(--sp-3); transform: translateY(-50%); width: 36px; height: 36px; place-items: center; background: none; border: 0; color: inherit; cursor: pointer; }
.js .announce__close { display: inline-grid; }
.announce__close svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.announce__close:hover { color: var(--c-gold-light); }

/* Header: logo left, nav and social right */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--c-white); border-bottom: var(--rule); }
.site-header__bar { display: flex; align-items: center; gap: var(--sp-6); min-height: 104px; }
.site-logo { margin-right: auto; }
.site-logo img { width: 210px; height: auto; }
.site-header__social { display: flex; align-items: center; gap: var(--sp-2); }
.menu-toggle, .show-sm, .sub-toggle, .primary-nav__extra { display: none; }
/* Menu icon: three lines fold into a cross */
.menu-toggle path { transform-box: fill-box; transform-origin: center; transition: transform .3s var(--ease), opacity .2s; }
.menu-toggle[aria-expanded="true"] path:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] path:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] path:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.primary-nav > ul { display: flex; align-items: center; gap: var(--sp-6); }
.primary-nav ul a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-block: var(--sp-3);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}
.primary-nav ul a:hover, .primary-nav ul a:focus-visible { color: var(--c-gold); }
.chev { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.has-sub { position: relative; }
.sub {
  position: absolute;
  top: 100%;
  left: -20px;
  min-width: 230px;
  padding: var(--sp-2) 0;
  background: var(--c-white);
  border: var(--rule);
  box-shadow: 0 12px 30px rgba(20, 20, 20, .08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.primary-nav .sub a { display: block; padding: var(--sp-2) 20px; text-transform: none; letter-spacing: 0; font-size: 0.9375rem; }

/* Hero: full-bleed photo, centred copy */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: calc(100svh - 144px);
  min-height: max(560px, calc(100svh - var(--top-h, 144px)));
  padding-block: var(--sp-9);
  color: var(--c-white);
  text-align: center;
}
.hero__img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 45% 60%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(20, 20, 20, .32); }
.hero__copy { display: flex; flex-direction: column; align-items: center; }
.hero__title { max-width: 26ch; font-size: clamp(2.25rem, 1.4rem + 3vw, 4rem); font-weight: 400; line-height: 1.12; letter-spacing: -0.01em; text-shadow: 0 1px 20px rgba(0, 0, 0, .2); }
.hero__sub { max-width: 30ch; margin-top: var(--sp-7); font-size: 1.25rem; font-weight: 400; line-height: 1.4; letter-spacing: 0.02em; text-transform: uppercase; text-shadow: 0 1px 12px rgba(0, 0, 0, .3); }
.hero__copy .btn { margin-top: var(--sp-8); }
.hero__down { position: absolute; bottom: var(--sp-5); left: 50%; display: grid; place-items: center; width: 44px; height: 44px; transform: translateX(-50%); color: var(--c-white); }
.hero__down svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.btn--light { min-height: 60px; padding-inline: var(--sp-6); background-color: var(--c-white); border-color: var(--c-white); border-radius: 0; color: var(--c-ink); font-size: 0.9375rem; font-weight: 400; letter-spacing: 0.12em; }
.btn--light:hover { border-color: var(--c-ink); color: var(--c-white); }

/* Sections */
.section { padding-block: var(--sp-9); }
.section-head { max-width: 640px; margin: 0 auto var(--sp-8); text-align: center; }
.section-head--left { margin-inline: 0; text-align: left; }
.section-head__text { margin-top: var(--sp-4); color: var(--c-stone-600); }
.section-head--split { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-5); max-width: none; text-align: left; }

/* Services */
.features { display: grid; gap: var(--sp-8); }
.feature { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: var(--sp-8); }
.feature img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.feature:nth-child(even) img { order: 2; }
.feature__copy { max-width: 420px; }
.feature:nth-child(odd) .feature__copy { justify-self: start; }
.feature:nth-child(even) .feature__copy { justify-self: end; }
.feature h3 { font-size: clamp(1.625rem, 1.3rem + 1vw, 2.25rem); }
.feature p { margin-top: var(--sp-4); color: var(--c-stone-600); }
.feature .btn { margin-top: var(--sp-6); }
.services__more { margin-top: var(--sp-8); text-align: center; color: var(--c-stone-600); }

/* Stone colours */
.colours { padding-block: var(--sp-8); background: var(--c-paper); overflow-x: clip; }
.colours__head { display: flex; flex-direction: column; align-items: center; gap: var(--sp-5); margin-bottom: var(--sp-6); }
.colours__head .section-head { margin-bottom: 0; }
.filter { display: flex; border: 1px solid var(--c-ink); flex-shrink: 0; }
.filter__btn {
  min-height: 44px;
  padding: 0 var(--sp-5);
  background: none;
  border: 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.filter__btn + .filter__btn { border-left: 1px solid var(--c-ink); }
.filter__btn.is-active { background: var(--c-ink); color: var(--c-white); }
/* Swatch carousel: four across, arrows either side */
.carousel { --per: 4; --gap: var(--sp-5); position: relative; }
.swatches {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block: var(--sp-2) var(--sp-5);
  scrollbar-width: none;
  cursor: grab;
}
.swatches::-webkit-scrollbar { display: none; }
.swatches.is-dragging { cursor: grabbing; scroll-snap-type: none; user-select: none; }
.swatches.is-dragging img { pointer-events: none; }
.swatch { flex: 0 0 calc((100% - (var(--per) - 1) * var(--gap)) / var(--per)); scroll-snap-align: start; }
.carousel-nav__btn { display: none; position: absolute; z-index: 2; top: 36%; width: 48px; height: 48px; place-items: center; background: var(--c-white); border: 1px solid var(--c-ink); cursor: pointer; transform: translateY(-50%); transition: background-color .2s var(--ease), color .2s var(--ease), opacity .2s; }
.js .carousel-nav__btn { display: grid; }
.carousel-nav__btn--prev { left: -24px; }
.carousel-nav__btn--next { right: -24px; }
.carousel-nav__btn:hover { background: var(--c-ink); color: var(--c-white); }
.carousel-nav__btn:disabled { opacity: 0; pointer-events: none; }
.carousel-nav__btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.swatch__btn { position: relative; display: block; width: 100%; padding: 0; background: none; border: 0; cursor: pointer; perspective: 800px; }
.badge-3d {
  position: absolute;
  left: var(--sp-3);
  top: var(--sp-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px 6px 9px;
  background: rgba(255, 255, 255, .94);
  border-radius: 999px;
  box-shadow: 0 2px 10px rgba(20, 20, 20, .15);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
.badge-3d svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; }
.swatch__btn:hover .badge-3d, .swatch__btn:focus-visible:not(.no-ring) .badge-3d { background: var(--c-ink); color: var(--c-white); }
.swatch__btn img { transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.swatch__btn:hover img, .swatch__btn:focus-visible:not(.no-ring) img { transform: rotateX(8deg) rotateY(-10deg) scale(.97); box-shadow: 14px 18px 30px rgba(20, 20, 20, .18); }

/* 3D slab viewer */
.slab-viewer { width: min(92vw, 760px); max-width: none; max-height: 94svh; padding: var(--sp-7) var(--sp-6) var(--sp-6); border: 0; background: var(--c-paper); color: var(--c-ink); text-align: center; overflow: hidden; }
.slab-viewer::backdrop { background: rgba(20, 20, 20, .72); }
/* Dragging the slab shouldn't select text or pop up the iPhone callout */
.slab-viewer { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.slab-viewer__close { position: absolute; top: var(--sp-3); right: var(--sp-3); display: grid; place-items: center; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; }
.slab-viewer__close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.slab-stage { --w: min(70vw, 460px); --h: calc(var(--w) * .62); --d: 26px; position: relative; height: calc(var(--w) * 1.05); perspective: 1100px; touch-action: none; cursor: grab; }
.slab-stage.is-dragging { cursor: grabbing; }
/* Drawn at twice its size and scaled down in script, so the stone stays sharp when turned or zoomed */
.slab { --W: calc(var(--w) * 2); --H: calc(var(--h) * 2); --D: calc(var(--d) * 2); position: absolute; left: 50%; top: 50%; width: var(--W); height: var(--H); margin: calc(var(--H) / -2) 0 0 calc(var(--W) / -2); transform-style: preserve-3d; will-change: transform; }
.slab-stage:focus-visible { outline: 2px solid var(--c-gold); outline-offset: -2px; }
.slab__face { position: absolute; background-color: var(--c-stone-400); background-image: var(--tex); background-size: var(--W) var(--H); background-position: center; -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.slab__face--front, .slab__face--back { inset: 0; background-size: cover; }
.slab__face--front { transform: translateZ(calc(var(--D) / 2)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1); }
/* A soft key light and a polished sheen drift across the face as it turns; neither darkens the stone */
.slab__face--front::before, .slab__face--front::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.slab__face--front::before { background: radial-gradient(90% 80% at var(--lx, 35%) var(--ly, 25%), rgba(255, 255, 255, .07), rgba(255, 255, 255, 0) 70%); }
.slab__face--front::after { background: linear-gradient(115deg, rgba(255, 255, 255, 0) 43%, rgba(255, 255, 255, .1) 50%, rgba(255, 255, 255, 0) 57%); background-size: 300% 100%; background-position: var(--sheen, 50%) 0; }
.slab-stage::after { content: ""; position: absolute; left: 50%; bottom: 4%; width: calc(var(--w) * .9); height: 36px; transform: translateX(-50%) scale(var(--zoom, 1)); background: radial-gradient(closest-side, rgba(20, 20, 20, .22), transparent); pointer-events: none; }
/* Back and edges are the same stone, only lightly shaded so the block reads as solid */
.slab__face--back { transform: rotateY(180deg) translateZ(calc(var(--D) / 2)); box-shadow: inset 0 0 0 100vmax rgba(20, 20, 20, .06); }
.slab__face--right, .slab__face--left { top: 0; left: calc((var(--W) - var(--D)) / 2); width: var(--D); height: var(--H); box-shadow: inset 0 0 0 100vmax rgba(20, 20, 20, .12); }
.slab__face--right { transform: rotateY(90deg) translateZ(calc(var(--W) / 2)); }
.slab__face--left { transform: rotateY(-90deg) translateZ(calc(var(--W) / 2)); }
.slab__face--top, .slab__face--bottom { left: 0; top: calc((var(--H) - var(--D)) / 2); width: var(--W); height: var(--D); }
.slab__face--top { transform: rotateX(90deg) translateZ(calc(var(--H) / 2)); box-shadow: inset 0 0 0 100vmax rgba(255, 255, 255, .1); }
.slab__face--bottom { transform: rotateX(-90deg) translateZ(calc(var(--H) / 2)); box-shadow: inset 0 0 0 100vmax rgba(20, 20, 20, .2); }
.slab-viewer__name { font-size: var(--fs-h2); }
.slab-viewer__desc { margin-top: var(--sp-2); color: var(--c-stone-600); }
.slab-viewer__tip { margin-top: var(--sp-2); font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-stone-400); }
.slab-viewer .btn { margin-top: var(--sp-5); }
.slab-tools { display: flex; justify-content: center; gap: var(--sp-2); margin-top: var(--sp-4); }
.slab-tools__btn { flex: none; min-height: 38px; padding: 0 var(--sp-4); white-space: nowrap; background: none; border: 1px solid var(--c-stone-200); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: border-color .2s, background-color .2s, color .2s; }
.slab-tools__btn:hover { border-color: var(--c-ink); }
.slab-tools__btn.is-active { background: var(--c-ink); border-color: var(--c-ink); color: var(--c-white); }
.slab-tools__icon { width: 38px; padding: 0; font-size: 1.125rem; letter-spacing: 0; }
.slab-tools__icon[data-zoom="-1"] { margin-left: var(--sp-2); }
.slab-viewer:focus { outline: none; }
.swatch[hidden] { display: none; }
.swatch img { width: 100%; aspect-ratio: 1; object-fit: cover; margin-bottom: var(--sp-4); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .06); }
.swatch { text-align: center; }
.swatch h3 { font-size: 1.0625rem; }
.swatch p { margin-top: var(--sp-1); font-size: var(--fs-xs); letter-spacing: 0.04em; color: var(--c-stone-600); }
.colours__note { margin-top: var(--sp-4); text-align: center; font-size: var(--fs-sm); color: var(--c-stone-600); }


/* Projects */
.projects { background: var(--c-paper); }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-6) var(--sp-4); }
.gallery__item { overflow: hidden; }
.gallery__item img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .8s var(--ease); }
.gallery__item:hover img { transform: scale(1.03); }
.gallery__cap { margin-top: var(--sp-4); font-size: var(--fs-xs); line-height: 1.5; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-stone-400); text-align: center; }
.gallery__title { display: block; margin-bottom: var(--sp-1); font-size: var(--fs-base); letter-spacing: 0; text-transform: none; color: var(--c-ink); }
.projects__more { margin-top: var(--sp-7); text-align: center; }

/* Reviews */
.reviews { background: var(--c-white); }
.reviews__inner { max-width: 980px; text-align: center; }
.review { margin: 0; }
.review blockquote { margin: 0; }
.review--lead p { font-size: clamp(1.375rem, 1.1rem + 1.1vw, 1.875rem); line-height: 1.4; letter-spacing: -0.01em; }
.review figcaption { margin-top: var(--sp-5); font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-stone-600); }
.review__stars {
  --star: 1.25rem;
  display: block;
  width: calc(5 * var(--star) + 4 * 4px); /* gaps under a star wide, or a sixth fits */
  height: var(--star);
  margin: 0 auto var(--sp-3);
  background: linear-gradient(var(--c-star-light), var(--c-star));
  -webkit-mask: var(--i-star) center / var(--star) var(--star) space;
  mask: var(--i-star) center / var(--star) var(--star) space;
}
.reviews__pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-7); margin-top: var(--sp-8); padding-top: var(--sp-7); border-top: var(--rule); }
.reviews__pair p { font-size: var(--fs-lg); line-height: 1.5; }

/* Quote */
.quote { position: relative; padding-block: var(--sp-9); color: var(--c-white); isolation: isolate; }
.quote__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(20, 20, 20, .88) 0%, rgba(20, 20, 20, .7) 55%, rgba(20, 20, 20, .5) 100%),
    url("../img/texture-grey-gold-slab-1000.webp") center / cover;
}
.quote__inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items: start; }
.quote__copy h2 { color: var(--c-white); max-width: 14ch; }
.quote__copy p { margin-top: var(--sp-5); max-width: 42ch; color: var(--c-stone-200); }
.quote__form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5) var(--sp-4); padding: var(--sp-7); background: var(--c-paper); color: var(--c-ink); }
.quote__done { display: block; }
.quote__done p { margin-top: var(--sp-4); color: var(--c-stone-600); }
.quote__error { color: var(--c-error); font-size: var(--fs-sm); }
.field { display: grid; gap: var(--sp-2); }
.field--full { grid-column: 1 / -1; }
.field label { font-size: var(--fs-xs); font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-stone-600); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  padding: var(--sp-2) 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-stone-400);
  border-radius: 0;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--c-gold); box-shadow: 0 1px 0 var(--c-gold); }

/* Footer */
.site-footer { background: var(--c-paper); padding-top: var(--sp-8); font-size: var(--fs-sm); }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--sp-6); padding-bottom: var(--sp-8); }
.site-footer__brand img { width: 180px; margin-bottom: var(--sp-4); }
.site-footer__brand p { max-width: 34ch; color: var(--c-stone-600); }
.site-footer__title { font-family: var(--f-body); font-size: var(--fs-xs); font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: var(--sp-4); }
.site-footer address { font-style: normal; }
.site-footer address, .site-footer p { color: var(--c-stone-600); }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--c-gold); }
.site-footer__base { display: flex; justify-content: space-between; gap: var(--sp-4); padding-block: var(--sp-5); border-top: var(--rule); font-size: var(--fs-xs); }

/* Stone-coloured placeholder while photos load */
.feature img, .swatch img, .gallery__item img, .tile__img img, .stone__media img, .schedule__img { background-color: var(--c-stone-100); }
.hero, .page-hero { background-color: var(--c-stone-600); }

/* Process stepper: a small card; a gold line runs through the steps and each dot fills as it is reached */
.stepper-band { padding-block: var(--sp-8); }
.stepper { max-width: 1040px; margin-inline: auto; padding: var(--sp-7) var(--sp-7) var(--sp-6); background: var(--c-paper); text-align: center; }
.stepper__title { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.stepper__list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sp-4); margin-top: var(--sp-6); }
.stepper__step { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stepper__step:nth-child(2) { --i: 1; }
.stepper__step:nth-child(3) { --i: 2; }
.stepper__step:nth-child(4) { --i: 3; }
.stepper__step:nth-child(5) { --i: 4; }
/* Each step draws the line to the next one, so it always meets the next dot exactly */
.stepper__step:not(:last-child)::before, .stepper__step:not(:last-child)::after { content: ""; position: absolute; top: 13px; left: 50%; width: calc(100% + var(--sp-4)); height: 1px; }
.stepper__step::before { background: var(--c-stone-200); }
.stepper__step::after { background: var(--c-gold); transform-origin: left; }
.stepper__dot { position: relative; z-index: 1; width: 27px; height: 27px; margin-bottom: var(--sp-3); border: 1px solid var(--c-gold); border-radius: 50%; background: var(--c-gold) var(--i-tick) center / 13px no-repeat; }
.stepper__label { font-size: var(--fs-sm); line-height: 1.35; }
.stepper__note { font-size: var(--fs-xs); color: var(--c-stone-600); }
.stepper__more { margin-top: var(--sp-6); }
.stepper__short { display: none; }
/* With JS the dots start empty and fill one after another once the card is on screen */
.js .stepper__dot { background-color: var(--c-white); background-image: none; border-color: var(--c-stone-400); }
.js .stepper__step::after { transform: scaleX(0); }
.js .stepper.is-in .stepper__dot { animation: dot-fill .5s var(--ease) calc(.3s + var(--i, 0) * .5s) forwards; }
.js .stepper.is-in .stepper__step::after { animation: line-draw .45s linear calc(.35s + var(--i, 0) * .5s) forwards; }
@keyframes line-draw { to { transform: none; } }
@keyframes dot-fill {
  0% { transform: none; }
  40% { transform: scale(1.22); border-color: var(--c-gold); background-color: var(--c-gold); background-image: var(--i-tick); }
  100% { transform: none; border-color: var(--c-gold); background-color: var(--c-gold); background-image: var(--i-tick); }
}

/* Inner pages */
.section--paper { background: var(--c-paper); }
.section__more { margin-top: var(--sp-7); text-align: center; }
.primary-nav a[aria-current] { color: var(--c-gold); }

.page-hero { position: relative; isolation: isolate; overflow: hidden; display: grid; place-items: center; min-height: clamp(380px, 60svh, 620px); color: var(--c-white); }
.page-hero__img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; animation: hero-in 1.6s var(--ease) both; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(20, 20, 20, .42); }
.page-hero__copy { padding-block: var(--sp-8); text-align: center; text-shadow: 0 1px 18px rgba(0, 0, 0, .25); }
.page-hero__title { font-size: clamp(2.25rem, 1.4rem + 3vw, 4rem); animation: rise .6s var(--ease) .05s both; }
.page-hero__lede { max-width: 46ch; margin: var(--sp-4) auto 0; font-size: var(--fs-lg); color: var(--c-stone-100); animation: rise .6s var(--ease) .12s both; }
.crumbs { margin-bottom: var(--sp-4); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-stone-200); animation: rise .6s var(--ease) both; }
.crumbs a { display: inline-block; padding-block: 10px; text-decoration: none; }
.crumbs a:hover { color: var(--c-white); text-decoration: underline; }
.crumbs span { margin-inline: var(--sp-2); opacity: .6; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--sp-6) var(--sp-5); }
.tile a { display: block; text-decoration: none; }
.tile__img { display: block; overflow: hidden; margin-bottom: var(--sp-4); }
.tile__img img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .8s var(--ease); }
.tile a:hover .tile__img img { transform: scale(1.05); }
.tile__title { font-size: var(--fs-h3); }
.tile p { margin-top: var(--sp-2); font-size: var(--fs-sm); color: var(--c-stone-600); }
.tile__more { display: inline-block; margin-top: var(--sp-3); font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.tile__more::after { content: " \2192"; display: inline-block; transition: transform .3s var(--ease); }
.tile a:hover .tile__more::after { transform: translateX(4px); }

.edges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-7) var(--sp-6); }
.edge { text-align: center; }
.edge svg { width: 72px; height: 80px; margin: 0 auto var(--sp-3); fill: var(--c-stone-200); stroke: var(--c-ink); stroke-width: 1.2; stroke-linejoin: round; }
.edge h3 { font-size: var(--fs-base); }
.edge p { max-width: 28ch; margin: var(--sp-2) auto 0; font-size: var(--fs-sm); color: var(--c-stone-600); }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 var(--sp-6); max-width: 960px; margin-inline: auto; }
.fact { padding-block: var(--sp-4); border-top: var(--rule); }
.fact dt { font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-stone-400); }
.fact dd { margin: var(--sp-1) 0 0; }

.faq { max-width: 760px; margin-inline: auto; }
.faq__item { border-top: var(--rule); }
.faq__item:last-child { border-bottom: var(--rule); }
.faq__item summary { display: flex; justify-content: space-between; gap: var(--sp-4); padding-block: var(--sp-5); font-size: var(--fs-lg); cursor: pointer; list-style: none; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 1.5rem; line-height: 1; transition: transform .3s var(--ease); }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding-bottom: var(--sp-5); color: var(--c-stone-600); }
.faq__item[open] p { animation: rise .4s var(--ease); }

.prose { max-width: 680px; margin-inline: auto; }
.prose p + p { margin-top: var(--sp-4); }
.prose__lead { font-size: var(--fs-lg); line-height: 1.55; }
.prose p:not(.prose__lead) { color: var(--c-stone-600); }

/* Stone comparison: one card per stone, the facts lined up across the cards */
.stones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-6); }
.stone { display: grid; grid-row: span 9; grid-template-rows: subgrid; row-gap: 0; background: var(--c-paper); }
.stone__media { display: block; overflow: hidden; }
.stone__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .8s var(--ease); }
.stone:hover .stone__media img { transform: scale(1.04); }
.stone__name { padding: calc(var(--sp-5) - 6px) var(--sp-5) 0; font-size: clamp(1.5rem, 1.2rem + .8vw, 2rem); }
.stone__name a { display: inline-block; padding-block: 6px; text-decoration: none; }
.stone__sum { padding: var(--sp-2) var(--sp-5) var(--sp-5); color: var(--c-stone-600); }
.stone__specs { display: grid; grid-row: span 5; grid-template-rows: subgrid; margin: 0 var(--sp-5); }
.stone__spec { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--sp-3); padding-block: var(--sp-3); border-top: var(--rule); }
.stone__spec dt { padding-top: 2px; font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-stone-400); }
.stone__spec dd { margin: 0; }
.stone__more { justify-self: start; align-self: end; margin: var(--sp-4) var(--sp-5) var(--sp-5); }

/* How it works: a schedule, timing on the left, the step and a photo beside it */
.schedule { border-top: var(--rule); }
.schedule__row { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr); gap: var(--sp-7); align-items: start; padding-block: var(--sp-7); border-bottom: var(--rule); }
.schedule__when { font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.25rem); font-weight: 300; line-height: 1.15; letter-spacing: -0.01em; }
.schedule__text h2 { font-size: clamp(1.375rem, 1.2rem + .5vw, 1.625rem); }
.schedule__text p { margin-top: var(--sp-3); max-width: 46ch; color: var(--c-stone-600); }
.schedule__img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.contact { display: grid; grid-template-columns: 1fr; gap: var(--sp-6); max-width: 560px; margin-inline: auto; text-align: center; }
.contact h2 { margin-bottom: var(--sp-3); font-size: var(--fs-h3); }
.contact address { font-style: normal; }
.contact .btn { margin-top: var(--sp-4); }
.contact a { text-underline-offset: 3px; }
.contact__note { margin-top: var(--sp-2); font-size: var(--fs-sm); color: var(--c-stone-600); }

.gallery__item[hidden] { display: none; }
.site-footer__links a { display: inline-block; padding-block: 8px; }

/* Credits page */
.credits { max-width: 760px; }
.credits h1 { font-size: var(--fs-h2); margin-block: var(--sp-6); }
.credits h2 { font-size: var(--fs-h3); margin: var(--sp-6) 0 var(--sp-3); }
.credits ul { list-style: disc; padding-left: var(--sp-5); font-size: var(--fs-sm); color: var(--c-stone-600); }
.credits li + li { margin-top: var(--sp-2); }
.credits p { font-size: var(--fs-sm); color: var(--c-stone-600); }

/* Reveal: only hidden once JS is running */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }


/* Hero entrance */
/* Hero photo: settles in, then drifts slowly like a camera moving through the room */
.hero__img { translate: 0 var(--py, 0px); will-change: transform; animation: hero-in 1.6s var(--ease) both, hero-drift 28s ease-in-out 1.6s infinite alternate; }
.hero__copy { translate: 0 var(--cy, 0px); opacity: var(--co, 1); }
/* A soft band of light passes across the marble now and then */
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .12) 50%, transparent 65%) no-repeat; background-size: 250% 100%; background-position: 150% 0; animation: light-sweep 11s ease-in-out 3s infinite; }
@keyframes hero-in { from { transform: scale(1.12); } to { transform: scale(1.06); } }
@keyframes hero-drift {
  0% { transform: scale(1.06) translate(0, 0); }
  50% { transform: scale(1.12) translate(-1.6%, -1%); }
  100% { transform: scale(1.09) translate(1.4%, -1.8%); }
}
@keyframes light-sweep { 0%, 55% { background-position: 150% 0; } 100% { background-position: -50% 0; } }
.hero__title, .hero__sub, .hero__copy .btn { animation: rise .6s var(--ease) both; }
.hero__sub { animation-delay: .08s; }
.hero__copy .btn { animation-delay: .16s; }
.hero__down svg { animation: nudge 2s ease-in-out .8s infinite; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes nudge { 0%, 100% { transform: none; } 50% { transform: translateY(8px); } }

/* Header shadow on scroll */
.site-header { transition: box-shadow .3s var(--ease); }
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(20, 20, 20, .07); }

/* Nav underline grows on hover */
.primary-nav > ul > li > a { position: relative; }
.primary-nav > ul > li > a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.primary-nav > ul > li > a:hover::after, .primary-nav > ul > li > a:focus-visible::after { transform: scaleX(1); }

/* Buttons fill from the bottom */
.btn { background-image: linear-gradient(var(--fill, var(--c-ink)), var(--fill, var(--c-ink))); background-repeat: no-repeat; background-size: 100% 0; background-position: bottom; transition: background-size .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease); }
.btn:hover { background-size: 100% 100%; }

/* Swatches pop back in after filtering */
.swatch.pop, .gallery__item.pop { animation: rise .4s var(--ease) both; }

/* Slab viewer opens with a lift */
.slab-viewer[open] { animation: rise .3s var(--ease); }
.slab-viewer[open]::backdrop { animation: fade-in .3s ease; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Tablet */
@media (max-width: 1180px) {
  .primary-nav > ul { gap: var(--sp-5); }
  .primary-nav ul a { font-size: 0.875rem; }
  .site-logo img { width: 180px; }
}

/* Tablet and phone: menu button, logo centred, full-height menu panel */
@media (max-width: 1024px) {
  .site-header__bar { display: grid; grid-template-columns: 44px 1fr 44px; gap: 0; min-height: 72px; }
  .site-logo { margin: 0; justify-self: center; padding-block: 6px; }
  .site-logo img { width: 150px; }
  .hide-sm { display: none; }
  .js .menu-toggle, .show-sm { display: inline-grid; }
  .menu-toggle { margin-left: -10px; }
  .site-header__social .show-sm { margin-right: -10px; }

  /* Without JS the menu simply sits open under the bar */
  .primary-nav { grid-column: 1 / -1; grid-row: 2; padding-bottom: var(--sp-5); }
  .primary-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav > ul > li { position: relative; border-bottom: var(--rule); }
  .primary-nav > ul > li > a { display: flex; padding-block: 16px; font-size: 1.1875rem; letter-spacing: 0; text-transform: none; }
  .primary-nav > ul > li > a::after { display: none; }
  .chev { display: none; }
  .sub { position: static; min-width: 0; padding: 0 0 var(--sp-4); border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; transition: none; }
  .primary-nav .sub a { padding-block: 9px; padding-left: 0; font-size: 1rem; color: var(--c-stone-600); }
  .primary-nav .sub a[aria-current] { color: var(--c-gold); }

  .js .primary-nav {
    position: fixed;
    top: var(--nav-top, 72px);
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    padding: var(--sp-2) var(--gutter) calc(var(--sp-6) + env(safe-area-inset-bottom));
    background: var(--c-white);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .js .primary-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .js .sub-toggle { position: absolute; top: 5px; right: -10px; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; background: none; border: 0; color: var(--c-ink); cursor: pointer; }
  .sub-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: transform .3s var(--ease); }
  .has-sub.is-expanded .sub-toggle svg { transform: rotate(180deg); }
  .js .sub { display: none; }
  .js .has-sub.is-expanded .sub { display: block; animation: rise .3s var(--ease); }
  .js .primary-nav__extra { display: grid; gap: var(--sp-4); padding-top: var(--sp-6); }
  .primary-nav__extra .btn { width: 100%; }
  .primary-nav__contact { display: grid; }
  .primary-nav__contact a { display: flex; align-items: center; gap: var(--sp-3); min-height: 48px; text-decoration: none; }
  .primary-nav__contact svg { flex: none; width: 20px; height: 20px; fill: none; stroke: var(--c-gold); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  html.menu-open { overflow: hidden; }
}

@media (max-width: 1080px) {
  .carousel { --per: 3; }
  .feature { gap: var(--sp-6); }
  .stone__spec { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .schedule__row { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); grid-template-areas: "when text" "when img"; gap: var(--sp-4) var(--sp-6); }
  .schedule__when { grid-area: when; }
  .schedule__text { grid-area: text; }
  .schedule__img { grid-area: img; max-width: 420px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .colours__head { align-items: center; }
  .quote__inner { grid-template-columns: 1fr; gap: var(--sp-7); }
  .gallery { grid-template-columns: 1fr 1fr; }
}

/* Phone: a smaller type and spacing scale so pages don't feel zoomed in */
@media (max-width: 760px) {
  :root {
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 0.9375rem;
    --fs-lg: 1.0625rem;
    --fs-h3: 1.1875rem;
    --fs-h2: 1.625rem;
    --fs-h1: 1.875rem;
    --sp-6: 1.5rem;
    --sp-7: 2.25rem;
    --sp-8: 3rem;
    --sp-9: 3.5rem;
    --gutter: 1.25rem;
  }
  .site-header__bar { min-height: 64px; }
  .site-logo img { width: 132px; }
  .announce__text { padding: 7px var(--gutter); font-size: var(--fs-xs); letter-spacing: 0.01em; }
  .js .announce__close { display: none; }
  .btn { min-height: 46px; padding: 0 var(--sp-5); letter-spacing: 0.1em; }
  .field input, .field select, .field textarea { font-size: 1rem; }
  .filter { width: 100%; }
  .filter__btn { flex: 1 1 auto; padding: 0 var(--sp-2); letter-spacing: 0.06em; }
  /* Hero fills the screen under the header; copy sits just above centre */
  .hero { min-height: max(480px, calc(100svh - var(--top-h, 112px))); padding-block: var(--sp-6) calc(var(--sp-8) + var(--sp-5)); }
  .hero::before { background: rgba(20, 20, 20, .4); }
  .hero__img { object-position: 42% 50%; }
  .hero__title { font-size: 1.75rem; line-height: 1.18; }
  .hero__sub { margin-top: var(--sp-4); font-size: var(--fs-sm); letter-spacing: 0.06em; }
  .hero__copy .btn { margin-top: var(--sp-6); min-height: 50px; padding-inline: var(--sp-6); font-size: var(--fs-xs); letter-spacing: 0.12em; }
  .section, .quote { padding-block: var(--sp-8); }
  .colours { padding-block: var(--sp-7); }
  .section-head, .colours__head { margin-bottom: var(--sp-6); }

  .features { gap: var(--sp-7); }
  /* Phone: the same row, smaller dots and one word per step */
  .stepper-band { padding-block: var(--sp-7); }
  .stepper { padding: var(--sp-6) 12px var(--sp-5); }
  .stepper__list { gap: 4px; margin-top: var(--sp-5); }
  .stepper__step:not(:last-child)::before, .stepper__step:not(:last-child)::after { top: 11px; width: calc(100% + 4px); }
  .stepper__dot { width: 23px; height: 23px; margin-bottom: var(--sp-2); background-size: 11px; }
  .stepper__label, .stepper__note { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .stepper__short { display: block; font-size: var(--fs-xs); line-height: 1.3; }
  .stepper__more { margin-top: var(--sp-5); }
  .stones { grid-template-columns: 1fr; }
  .stone, .stone__specs { grid-row: auto; grid-template-rows: none; }
  .stone__spec { grid-template-columns: 6rem minmax(0, 1fr); gap: var(--sp-3); }
  .schedule__row { grid-template-columns: 1fr; grid-template-areas: "img" "when" "text"; gap: var(--sp-3); padding-block: var(--sp-6); }
  .schedule__img { max-width: none; aspect-ratio: 16 / 9; margin-bottom: var(--sp-2); }
  .schedule__when { font-size: var(--fs-base); color: var(--c-stone-600); }
  .edges { grid-template-columns: 1fr 1fr; gap: var(--sp-6) var(--sp-4); }
  .contact { grid-template-columns: 1fr; text-align: center; }
  .page-hero__lede { font-size: var(--fs-base); }
  .faq__item summary { font-size: var(--fs-base); }
  .carousel { --per: 1.7; --gap: var(--sp-4); }
  .js .carousel-nav__btn { display: none; }
  .slab-viewer { width: calc(100vw - 24px); padding: var(--sp-7) 12px var(--sp-5); }
  .slab-stage { --w: 72vw; --d: 18px; height: min(calc(var(--w) * 1.05), 40svh); }
  .slab-viewer__name { font-size: 1.5rem; }
  .slab-viewer__desc { font-size: var(--fs-sm); }
  .slab-tools { gap: 6px; }
  .slab-tools__btn { min-height: 36px; padding: 0 10px; letter-spacing: 0.06em; }
  .slab-tools__icon { width: 36px; padding: 0; }
  .slab-tools__icon[data-zoom="-1"] { margin-left: 4px; }
  .feature { grid-template-columns: 1fr; gap: var(--sp-4); text-align: center; }
  .feature:nth-child(even) img { order: 0; }
  .feature__copy { justify-self: center !important; }
  .feature .btn { margin-top: var(--sp-4); }
  .swatch h3 { font-size: var(--fs-base); }
  .section-head--split { flex-direction: column; align-items: flex-start; }
  .gallery { grid-template-columns: 1fr 1fr; gap: var(--sp-5) var(--sp-3); }
  .gallery__cap { margin-top: var(--sp-3); letter-spacing: 0.06em; }
  .gallery__title { font-size: var(--fs-sm); }
  .feature h3 { font-size: 1.375rem; }
  .page-hero { min-height: clamp(300px, 46svh, 420px); }
  .page-hero__title { font-size: var(--fs-h1); }
  .review--lead p { font-size: 1.25rem; }
  .colours__note { font-size: var(--fs-xs); }
  .reviews__pair { grid-template-columns: 1fr; gap: var(--sp-6); }
  .quote__form { grid-template-columns: 1fr; padding: var(--sp-6) var(--sp-5); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-6) var(--sp-5); }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__brand img { width: 150px; }
  .site-footer__base { flex-direction: column; gap: var(--sp-1); }
}

/* Very small phones */
@media (max-width: 360px) {
  .stepper { padding-inline: 4px; }
  .stepper__list { gap: 2px; }
  .stepper__step:not(:last-child)::before, .stepper__step:not(:last-child)::after { width: calc(100% + 2px); }
  .stepper__short { letter-spacing: -0.01em; }
  .slab-tools { gap: 4px; }
  .slab-tools__btn { padding: 0 7px; letter-spacing: 0.02em; }
  .slab-tools__icon { width: 32px; padding: 0; }
  .hero__copy .btn { padding-inline: var(--sp-4); letter-spacing: 0.08em; }
  .filter__btn { padding: 0 6px; letter-spacing: 0.02em; }
}

@media (hover: none) {
  .btn:hover { background-size: 100% 0; }
  .btn--outline:hover { color: var(--c-ink); }
  .btn--light:hover { border-color: var(--c-white); color: var(--c-ink); }
  .btn--solid:hover { border-color: var(--c-ink); }
  .swatch__btn:hover img { transform: none; box-shadow: none; }
  .swatch__btn:hover .badge-3d { background: rgba(255, 255, 255, .94); color: var(--c-ink); }
  .gallery__item:hover img, .tile a:hover .tile__img img, .stone:hover .stone__media img { transform: none; }
  .carousel-nav__btn:hover { background: var(--c-white); color: var(--c-ink); }
  .icon-btn:hover, .primary-nav ul a:hover { color: inherit; }
  .primary-nav ul a[aria-current]:hover { color: var(--c-gold); }
  .btn:active { opacity: .85; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .js .stepper__step::after { transform: none; }
  .js .stepper__dot { border-color: var(--c-gold); background-color: var(--c-gold); background-image: var(--i-tick); }
}