/* ==========================================================================
   BBC MINES — site.css
   Single stylesheet, no build step. Section order (TOC):

   01. Custom properties (tokens)
   02. Reset & base
   03. Typography
   04. Layout / grid / utilities
   05. Buttons & links
   06. Placeholder image treatment
   07. Header & nav
   08. Hero
   09. Ticker strip
   10. Statement
   11. Minerals — horizontal gallery
   12. Leases ("Mined, not traded")
   13. Applications
   14. Clients marquee
   15. About / two decades
   16. Documentation teaser
   17. Contact
   18. Footer
   19. WhatsApp FAB
   20. Custom cursor
   21. Products page — hero, sticky rail, mineral blocks, tables, docs panel
   22. FAQ accordion
   23. Enquiry band (products page)
   24. Reduced motion / motion-ready states
   25. Accessibility
   26. Responsive
   ========================================================================== */

/* ==========================================================================
   01. Custom properties
   ========================================================================== */

:root {
  /* Canvas & surface */
  --bone:        #FAF8F5;
  --paper:       #FFFFFF;
  --ink:         #16130F;

  /* Structure */
  --stone-200:   #F0ECE6;
  --stone-300:   #E5E0D8;
  --stone-600:   #6E675C;

  /* Accent */
  --ochre:       #9A5B2D;
  --ember:       #C8763A;

  /* Per-mineral identity tints */
  --tint-china:    #F2F4F5;
  --tint-ball:     #E9E1D3;
  --tint-feldspar: #F2E8E0;
  --tint-quartz:   #EAEFF0;

  /* Type families */
  --f-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --f-body:    'Switzer', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Fluid type scale */
  --t-display:  clamp(3.25rem, 10.5vw, 10.5rem);
  --t-h1:       clamp(2.5rem, 6vw, 5.5rem);
  --t-h2:       clamp(2rem, 4vw, 3.5rem);
  --t-h3:       clamp(1.25rem, 1.6vw, 1.625rem);
  --t-lead:     clamp(1.125rem, 1.4vw, 1.375rem);
  --t-body:     1rem;
  --t-small:    0.875rem;
  --t-eyebrow:  0.75rem;

  /* Grid */
  --wrap:   1440px;
  --gutter: clamp(1.25rem, 4vw, 5rem);
  --col:    12;
  --gap:    clamp(1rem, 2vw, 2rem);

  /* Spacing scale (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;
  --sp-10: 128px;
  --sp-11: 192px;
  --sp-12: 256px;

  --section-pad: clamp(6rem, 12vw, 14rem);

  /* Radius */
  --r-sm: 4px;
  --r-md: 10px;
  --r-pill: 999px;

  --shadow-float: 0 2px 24px rgb(22 19 15 / 0.08);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.4s;
  --dur-base: 0.8s;
}

/* Home ↔ Products page transitions — near-free where supported, silently
   ignored elsewhere (no fallback needed; navigation still just works). */
@view-transition {
  navigation: auto;
}

/* ==========================================================================
   02. Reset & base
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, p, figure { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

input, textarea, select { font: inherit; }

table { border-collapse: collapse; width: 100%; }

/* ==========================================================================
   03. Typography
   ========================================================================== */

h1, .h1, h2, .h2 {
  font-family: var(--f-display);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.92;
}

h1, .h1 { font-size: var(--t-h1); }
h2, .h2 { font-size: var(--t-h2); }

h3, .h3 {
  font-family: var(--f-body);
  font-size: var(--t-h3);
  font-weight: 500;
  line-height: 1.2;
}

.display {
  font-family: var(--f-display);
  font-size: var(--t-display);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.92;
}

.lead {
  font-size: var(--t-lead);
  line-height: 1.5;
  max-width: 68ch;
}

.body-text, p {
  max-width: 68ch;
  line-height: 1.65;
}

.small { font-size: var(--t-small); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ochre);
  display: inline-block;
  margin-bottom: var(--sp-4);
}

.mono { font-family: var(--f-mono); }

.tnum { font-variant-numeric: tabular-nums; }

.statement-text {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 2.6vw, 2.25rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 60ch;
  margin-inline: auto;
  text-align: center;
}

/* Line-reveal scaffold: JS/GSAP splits into .line spans on load.
   Default (no-JS / reduced-motion) state is fully visible. */
.reveal-lines { overflow: visible; }
.reveal-lines .line-inner { display: inline-block; }

/* ==========================================================================
   04. Layout / grid / utilities
   ========================================================================== */

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(var(--col), 1fr);
  gap: var(--gap);
}

main { display: block; }

section {
  padding-block: var(--section-pad);
  position: relative;
}

.section--tight { padding-block: clamp(3rem, 6vw, 6rem); }

.wash-stone   { background: var(--stone-200); }
.wash-china   { background: var(--tint-china); }
.wash-ball    { background: var(--tint-ball); }
.wash-feldspar{ background: var(--tint-feldspar); }
.wash-quartz  { background: var(--tint-quartz); }
.wash-ink     { background: var(--ink); color: var(--bone); }

.hairline {
  border: 0;
  border-top: 1px solid var(--stone-300);
  margin: 0;
  transform-origin: left;
}

.section-head {
  max-width: 46rem;
  margin-bottom: var(--sp-9);
}

.section-head .lead { color: var(--stone-600); margin-top: var(--sp-4); }

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  background: var(--ink);
  color: var(--bone);
  padding: var(--sp-3) var(--sp-5);
  z-index: 1000;
  border-radius: var(--r-sm);
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus { top: var(--sp-4); }

/* ==========================================================================
   05. Buttons & links
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--f-mono);
  font-size: var(--t-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--r-pill);
  border: 1px solid var(--ink);
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.btn--primary { background: var(--ink); color: var(--bone); }
.btn--primary:hover, .btn--primary:focus-visible { background: var(--ochre); border-color: var(--ochre); }

.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover, .btn--ghost:focus-visible { background: var(--ink); color: var(--bone); }

.btn--whatsapp {
  background: var(--paper);
  border-color: var(--stone-300);
  box-shadow: var(--shadow-float);
}
.btn--whatsapp:hover, .btn--whatsapp:focus-visible { border-color: var(--ochre); color: var(--ochre); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--ochre);
  font-family: var(--f-mono);
  font-size: var(--t-small);
  letter-spacing: 0.03em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}
.link-arrow:hover, .link-arrow:focus-visible { color: var(--ember); border-color: currentColor; }
.link-arrow svg { transition: transform 0.25s var(--ease-out); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ==========================================================================
   06. Placeholder image treatment
   ========================================================================== */

.frame {
  position: relative;
  overflow: hidden;
  background: repeating-linear-gradient(
    135deg,
    var(--stone-200) 0 24px,
    var(--stone-300) 24px 48px
  );
  border-radius: 0; /* photography stays square, never rounded */
}

.frame::after {
  content: attr(data-slot);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  text-align: center;
  font-family: var(--f-mono);
  font-size: var(--t-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.4;
}

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.frame[data-has-image="true"]::after { content: none; }

.frame--square { aspect-ratio: 1 / 1; }
.frame--portrait { aspect-ratio: 4 / 5; }
.frame--wide { aspect-ratio: 16 / 9; }

/* ==========================================================================
   07. Header & nav
   ========================================================================== */

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: var(--sp-5);
  transition: transform 0.4s var(--ease-out), background 0.3s var(--ease-out);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header.is-condensed .header-inner {
  background: var(--paper);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-float);
  padding-inline: var(--sp-6);
  padding-block: var(--sp-3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-block: var(--sp-2);
  transition: background 0.3s var(--ease-out), padding 0.3s var(--ease-out), border-radius 0.3s var(--ease-out);
}

.site-header.is-hidden { transform: translateY(-120%); }

.wordmark {
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--sp-7);
}

.nav-desktop ul { display: flex; gap: var(--sp-6); }

.nav-desktop a:not(.btn) {
  font-size: var(--t-small);
  color: var(--ink);
  position: relative;
  padding-block: var(--sp-1);
}

.nav-desktop a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--ochre);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}

.nav-desktop a:not(.btn):hover::after,
.nav-desktop a:not(.btn):focus-visible::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
}

.nav-toggle span {
  width: 22px;
  height: 1px;
  background: var(--ink);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--bone);
  z-index: 200;
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
}

.nav-mobile.is-open { display: flex; }

.nav-mobile ul { display: flex; flex-direction: column; gap: var(--sp-6); }

.nav-mobile a {
  font-family: var(--f-display);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 300;
}

.nav-mobile-close {
  position: absolute;
  top: var(--sp-5);
  right: var(--gutter);
}

/* ==========================================================================
   08. Hero
   ========================================================================== */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  padding-top: var(--sp-11);
  padding-bottom: var(--sp-9);
}

.hero::before {
  content: '';
  position: absolute;
  inset: -10% -10% 40% -10%;
  background: radial-gradient(ellipse at 70% 20%, rgb(154 91 45 / 0.04), transparent 60%);
  pointer-events: none;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-media .frame { width: 100%; height: 100%; }

.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgb(22 19 15 / 0.05) 0%, rgb(22 19 15 / 0.35) 100%);
}

.hero-content { position: relative; z-index: 2; color: var(--ink); }

.hero__h1 { display: flex; flex-direction: column; gap: var(--sp-4); }

.hero__display {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: var(--t-display);
  letter-spacing: -0.03em;
  line-height: 0.92;
}

.hero__tail {
  font-family: var(--f-mono);
  font-size: var(--t-small);
  letter-spacing: 0.02em;
  color: var(--stone-600);
  max-width: 46ch;
}

.hero-body {
  margin-top: var(--sp-6);
  font-size: var(--t-lead);
  color: var(--stone-600);
  max-width: 46ch;
}

.hero-cta {
  margin-top: var(--sp-7);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
}

.hero-index {
  margin-top: var(--sp-9);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
  font-family: var(--f-mono);
  font-size: var(--t-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--stone-600);
}

/* On a paper hero (no photo behind text), keep contrast without the scrim */
.hero--on-bone { color: var(--ink); }
.hero--on-bone .hero-media::after { display: none; }

/* ==========================================================================
   09. Ticker strip
   ========================================================================== */

.ticker {
  border-block: 1px solid var(--stone-300);
  overflow: hidden;
  padding-block: var(--sp-4);
  background: var(--bone);
}

.ticker-track {
  display: flex;
  width: max-content;
  gap: var(--sp-6);
  font-family: var(--f-mono);
  font-size: var(--t-small);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  animation: ticker-scroll 28s linear infinite;
}

.ticker-track span { padding-inline-end: var(--sp-6); }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================================================
   10. Statement
   ========================================================================== */

.statement { text-align: center; }

/* ==========================================================================
   11. Minerals — horizontal gallery
   ========================================================================== */

.gallery-head { padding-bottom: var(--sp-8); }

.gallery-pin {
  position: relative;
}

.gallery-track {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-inline: var(--gutter);
  padding-bottom: var(--sp-5);
  scrollbar-width: thin;
}

.gallery-panel {
  scroll-snap-align: start;
  flex: 0 0 min(85vw, 640px);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.gallery-panel .frame { width: 100%; }

.gallery-panel__name {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1;
}

.gallery-panel__alt {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-600);
  margin-top: var(--sp-2);
}

.gallery-panel__desc { margin-top: var(--sp-4); color: var(--stone-600); max-width: 42ch; }

.gallery-panel__apps {
  margin-top: var(--sp-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  color: var(--stone-600);
}

.gallery-panel__apps li::after { content: '·'; margin-inline-start: var(--sp-2); color: var(--stone-300); }
.gallery-panel__apps li:last-child::after { content: none; }

.gallery-panel__cta { margin-top: var(--sp-5); }

/* On wide viewports where JS-driven pinning is active, motion.js swaps this
   track's overflow for a pinned/transformed layout. This CSS state is the
   full no-JS / reduced-motion fallback and is always valid. */

/* ==========================================================================
   12. Leases
   ========================================================================== */

.leases {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-9);
}

.leases-media { order: -1; }

.leases-points {
  margin-top: var(--sp-8);
  display: flex;
  flex-direction: column;
}

.leases-point {
  padding-block: var(--sp-6);
  border-top: 1px solid var(--stone-300);
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--sp-5);
}

.leases-point:last-child { border-bottom: 1px solid var(--stone-300); }

.leases-point__num { font-family: var(--f-mono); color: var(--ochre); font-size: var(--t-small); }

.leases-point h3 { margin-bottom: var(--sp-2); }

.leases-point p { color: var(--stone-600); }

/* ==========================================================================
   13. Applications
   ========================================================================== */

.apps-grid {
  margin-top: var(--sp-8);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--stone-300);
  border: 1px solid var(--stone-300);
}

.apps-card {
  background: var(--paper);
  padding: var(--sp-6);
  transition: background 0.25s var(--ease-out);
}

.apps-card:hover, .apps-card:focus-within { background: var(--stone-200); }

.apps-card h3 { margin-bottom: var(--sp-3); }

.apps-card__minerals {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  color: var(--stone-600);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.apps-card__minerals li {
  border: 1px solid var(--stone-300);
  border-radius: var(--r-pill);
  padding: 2px var(--sp-3);
}

/* ==========================================================================
   14. Clients marquee
   ========================================================================== */

.marquee-row {
  overflow: hidden;
  margin-block: var(--sp-4);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: var(--sp-9);
  align-items: center;
  animation: marquee-ltr 32s linear infinite;
}

.marquee-row--reverse .marquee-track { animation-name: marquee-rtl; }

.marquee-row:hover .marquee-track,
.marquee-track:focus-within { animation-play-state: paused; }

@keyframes marquee-ltr { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marquee-rtl { from { transform: translateX(-50%); } to { transform: translateX(0); } }

.client-logo {
  height: 2.5rem;
  display: flex;
  align-items: center;
  filter: grayscale(1);
  opacity: 0.45;
  transition: opacity 0.25s var(--ease-out), filter 0.25s var(--ease-out);
}

.client-logo:hover, .client-logo:focus-visible { opacity: 1; filter: grayscale(0); }

.client-logo img { height: 100%; width: auto; }

.clients-grid {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-6);
}

.clients-empty {
  margin-top: var(--sp-6);
  color: var(--stone-600);
  font-family: var(--f-mono);
  font-size: var(--t-small);
}

/* ==========================================================================
   15. About / two decades
   ========================================================================== */

.chapters {
  margin-top: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
  max-width: 52rem;
}

.chapter {
  padding-top: var(--sp-7);
  border-top: 1px solid var(--stone-300);
}

.chapter__year {
  font-family: var(--f-mono);
  color: var(--ochre);
  font-size: var(--t-small);
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-3);
  display: block;
}

.chapter h3 { margin-bottom: var(--sp-3); }
.chapter p { color: var(--stone-600); }

/* ==========================================================================
   16. Documentation teaser
   ========================================================================== */

.doc-teaser {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-6);
}

.doc-teaser .lead { color: var(--stone-600); }

/* ==========================================================================
   17. Contact
   ========================================================================== */

.contact-card {
  margin-top: var(--sp-9);
  background: var(--paper);
  border: 1px solid var(--stone-300);
  padding: clamp(var(--sp-6), 5vw, var(--sp-9));
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--sp-7);
}

.contact-item__label {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-600);
  display: block;
  margin-bottom: var(--sp-3);
}

.contact-item__name { font-weight: 500; margin-bottom: var(--sp-2); }

.contact-item__links { display: flex; flex-direction: column; gap: var(--sp-2); }

.contact-item__links a {
  font-family: var(--f-mono);
  font-size: var(--t-small);
  color: var(--ink);
  border-bottom: 1px solid var(--stone-300);
  width: fit-content;
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.contact-item__links a:hover, .contact-item__links a:focus-visible {
  color: var(--ochre);
  border-color: var(--ochre);
}

.contact-address { grid-column: 1 / -1; border-top: 1px solid var(--stone-300); padding-top: var(--sp-6); }

/* ==========================================================================
   18. Footer
   ========================================================================== */

.site-footer {
  padding-block: var(--sp-9) var(--sp-7);
  border-top: 1px solid var(--stone-300);
}

.footer-wordmark {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 8vw, 5rem);
  letter-spacing: -0.02em;
}

.footer-rule {
  border-top: 1px solid var(--ochre);
  margin-block: var(--sp-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: var(--sp-7);
}

.footer-col h3 {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-600);
  font-weight: 500;
  margin-bottom: var(--sp-4);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--sp-3); }

.footer-col a { font-size: var(--t-small); }
.footer-col a:hover, .footer-col a:focus-visible { color: var(--ochre); }

.footer-nap {
  margin-top: var(--sp-9);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--stone-300);
  font-family: var(--f-mono);
  font-size: var(--t-small);
  color: var(--stone-600);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-4);
}

/* ==========================================================================
   19. WhatsApp FAB
   ========================================================================== */

.wa-fab {
  position: fixed;
  right: var(--sp-6);
  bottom: var(--sp-6);
  z-index: 90;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: var(--ochre);
  color: var(--bone);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-float);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), background 0.2s var(--ease-out);
}

.wa-fab.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.wa-fab:hover, .wa-fab:focus-visible { background: var(--ember); }

.wa-fab svg { width: 1.5rem; height: 1.5rem; }

/* No-JS: FAB is always visible so the enquiry path never disappears */
.no-js .wa-fab { opacity: 1; transform: none; pointer-events: auto; }

/* ==========================================================================
   20. Custom cursor
   ========================================================================== */

.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%, -50%);
  will-change: transform;
}

.cursor-dot { width: 10px; height: 10px; background: var(--ochre); }

.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid var(--ochre);
  transition: width 0.2s var(--ease-out), height 0.2s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cursor-ring[data-label]::after {
  content: attr(data-label);
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  opacity: 0;
}

.cursor-ring.is-active {
  width: 64px; height: 64px;
  background: var(--bone);
}

.cursor-ring.is-active[data-label]::after { opacity: 1; }

/* Custom cursor is opt-in via JS only on fine-pointer devices; body flag
   hides the native cursor exactly when the custom one is running. */
body.has-custom-cursor { cursor: none; }
body.has-custom-cursor a, body.has-custom-cursor button { cursor: none; }

/* ==========================================================================
   21. Products page
   ========================================================================== */

.page-hero {
  padding-top: var(--sp-11);
  padding-bottom: var(--sp-8);
}

.breadcrumb {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone-600);
  margin-bottom: var(--sp-6);
}

.breadcrumb a { color: var(--stone-600); }
.breadcrumb a:hover { color: var(--ochre); }

.mineral-rail {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bone);
  border-block: 1px solid var(--stone-300);
  overflow-x: auto;
}

.mineral-rail ul {
  display: flex;
  gap: var(--sp-7);
  padding-block: var(--sp-4);
  white-space: nowrap;
}

.mineral-rail a {
  font-family: var(--f-mono);
  font-size: var(--t-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--stone-600);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.mineral-rail a.is-active,
.mineral-rail a:hover,
.mineral-rail a:focus-visible {
  color: var(--ink);
  border-color: var(--ochre);
}

.mineral-block { scroll-margin-top: 4rem; }

.mineral-block__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-9);
}

.mineral-block__title { display: flex; flex-direction: column; gap: var(--sp-2); }

.mineral-block__alt {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone-600);
}

.mineral-block__body {
  display: grid;
  gap: var(--sp-9);
}

.spec-block + .spec-block {
  margin-top: var(--sp-9);
  padding-top: var(--sp-9);
  border-top: 1px solid var(--stone-300);
}

.spec-block__label {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: var(--sp-5);
  display: block;
}

.analysis-table-wrap { overflow-x: auto; }

.analysis-table { min-width: 22rem; }

.analysis-table caption {
  text-align: left;
  font-family: var(--f-mono);
  font-size: var(--t-small);
  color: var(--stone-600);
  margin-top: var(--sp-3);
  caption-side: bottom;
}

.analysis-table th, .analysis-table td {
  text-align: left;
  padding: var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--stone-300);
  font-size: var(--t-small);
}

.analysis-table th {
  font-family: var(--f-mono);
  font-weight: 500;
  color: var(--stone-600);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--t-eyebrow);
}

.analysis-table td.tbc {
  font-family: var(--f-mono);
  color: var(--ochre);
}

.analysis-table tbody tr:nth-child(even) { background: var(--stone-200); }

.props-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: var(--sp-5);
}

.props-list dt {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--stone-600);
  margin-bottom: var(--sp-2);
}

.props-list dd {
  font-family: var(--f-mono);
  color: var(--ochre);
}

.chip-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.chip-list a {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--stone-300);
  border-radius: var(--r-pill);
  padding: var(--sp-2) var(--sp-4);
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.chip-list a:hover, .chip-list a:focus-visible { border-color: var(--ochre); color: var(--ochre); }

.doc-panel {
  background: var(--paper);
  border: 1px solid var(--stone-300);
  padding: var(--sp-6);
}

.doc-panel__primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.doc-panel__meta {
  font-family: var(--f-mono);
  font-size: var(--t-small);
  color: var(--stone-600);
}

.doc-panel details {
  margin-top: var(--sp-5);
  border-top: 1px solid var(--stone-300);
  padding-top: var(--sp-5);
}

.doc-panel summary {
  cursor: pointer;
  font-family: var(--f-mono);
  font-size: var(--t-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--stone-600);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.doc-panel summary::-webkit-details-marker { display: none; }

.doc-panel summary::after {
  content: '+';
  font-size: 1rem;
  transition: transform 0.2s var(--ease-out);
}

.doc-panel details[open] summary::after { content: '\2212'; }

.doc-panel__additional {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.doc-panel__additional li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  font-size: var(--t-small);
}

.doc-panel__on-request { color: var(--ochre); font-family: var(--f-mono); font-size: var(--t-small); }

.mineral-cta { margin-top: var(--sp-7); }

/* ==========================================================================
   22. FAQ accordion
   ========================================================================== */

.faq-list { max-width: 52rem; display: flex; flex-direction: column; }

.faq-item {
  border-top: 1px solid var(--stone-300);
  padding-block: var(--sp-5);
}

.faq-list .faq-item:last-child { border-bottom: 1px solid var(--stone-300); }

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  font-family: var(--f-body);
  font-weight: 500;
  font-size: var(--t-h3);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  font-family: var(--f-mono);
  font-size: 1.25rem;
  color: var(--ochre);
  transition: transform 0.25s var(--ease-out);
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item__answer { margin-top: var(--sp-4); color: var(--stone-600); max-width: 60ch; }

/* ==========================================================================
   23. Enquiry band (products page)
   ========================================================================== */

.enquiry-band { text-align: left; }

.enquiry-band h2 { color: var(--bone); }

.enquiry-band .lead { color: var(--stone-300); margin-top: var(--sp-5); }

.enquiry-band__contacts {
  margin-top: var(--sp-8);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: var(--sp-7);
}

.enquiry-band__contacts a {
  font-family: var(--f-mono);
  color: var(--bone);
  border-bottom: 1px solid rgb(250 248 245 / 0.3);
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.enquiry-band__contacts a:hover, .enquiry-band__contacts a:focus-visible {
  color: var(--ember);
  border-color: var(--ember);
}

.enquiry-band__label {
  display: block;
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-600);
  margin-bottom: var(--sp-3);
}

/* ==========================================================================
   24. Reduced motion / motion-ready states
   ========================================================================== */

/* All animated elements sit at their final, visible state by default.
   GSAP (when it runs) sets an initial offset via gsap.set() at init time,
   only after prefers-reduced-motion: no-preference is confirmed and the
   library has loaded — see motion.js. This block is the guaranteed
   fallback so content is never hidden if a CDN fails or JS is disabled. */

.marquee-track, .ticker-track { animation-play-state: running; }

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

  .ticker-track, .marquee-track { animation: none !important; }

  /* The second span/track is only present for the seamless loop —
     drop it so reduced motion doesn't show a truncated duplicate. */
  .ticker-track span:nth-child(2) { display: none; }
  .ticker-track { flex-wrap: wrap; white-space: normal; }

  .cursor-dot, .cursor-ring { display: none !important; }
}

/* ==========================================================================
   25. Accessibility
   ========================================================================== */

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

::selection { background: var(--ochre); color: var(--bone); }

/* ==========================================================================
   26. Responsive
   ========================================================================== */

@media (min-width: 700px) {
  .leases {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .leases-media { order: 0; }

  .mineral-block__head { grid-template-columns: minmax(0, 22rem) 1fr; align-items: end; }

  .mineral-block__body { grid-template-columns: minmax(0, 22rem) 1fr; }

  .doc-teaser { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (max-width: 860px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
}

@media (min-width: 900px) {
  .gallery-track {
    scroll-snap-type: none;
    overflow: visible;
  }
}

@media (max-width: 480px) {
  .contact-card { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
}