:root {
  --ivory: #f6f1e8;
  --paper: #fffdf8;
  --ink: #1c211d;
  --muted: #66675f;
  --gold: #b58b42;
  --gold-light: #dec58c;
  --emerald: #07392c;
  --emerald-deep: #03281f;
  --emerald-bright: #33a971;
  --line: rgba(181, 139, 66, .48);
  --sans:"Plus Jakarta Sans",sans-serif;
  --serif: "Cormorant Garamond", serif;
  --shell: min(1180px, calc(100vw - 96px));
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; overflow-x: clip; }
body { margin: 0; overflow-x: clip; color: var(--ink); background: var(--ivory); font-family: var(--sans); font-size: 14px; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p, blockquote { text-wrap: pretty; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.page-shell { width: var(--shell); margin-inline: auto; }
.eyebrow { margin: 0 0 18px; color: var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.section-ivory { background: var(--ivory); }
.section-emerald { color: #fff; background: var(--emerald-deep); }

.minerals-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  height: 88px;
  padding: 0 clamp(28px, 4vw, 64px);
  display: grid;
  grid-template-columns: 210px 1fr 210px;
  align-items: center;
  color: #272921;
  transition: height .3s ease, background-color .3s ease, box-shadow .3s ease;
}
.minerals-header.is-scrolled { height: 72px; background: rgba(255,253,248,.96); box-shadow: 0 10px 30px rgba(38,42,35,.08); backdrop-filter: blur(14px); }
.minerals-brand { width: 154px; }
.minerals-brand img { width: 100%; height: 43px; object-fit: contain; object-position: left center; }
.minerals-nav { display: flex; align-items: center; justify-content: center; gap: clamp(25px, 3.2vw, 50px); }
.minerals-nav a { position: relative; padding: 12px 0; font-size: 10px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.minerals-nav a::after { content: ""; position: absolute; left: 50%; bottom: 4px; width: 0; height: 1px; background: var(--gold); transform: translateX(-50%); transition: width .3s ease; }
.minerals-nav a:hover::after { width: 100%; }
.header-tools { display: flex; align-items: center; justify-content: flex-end; gap: 24px; font-size: 10px; }
.header-tools > span { display: flex; gap: 8px; align-items: center; }
.header-tools b { color: var(--gold); }
.header-tools i { width: 1px; height: 12px; background: var(--line); }
.header-tools > a { padding: 12px 22px; color: #8d682b; border: 1px solid var(--gold); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; transition: color .25s, background-color .25s; }
.header-tools > a:hover { color: #fff; background: var(--gold); }
.menu-toggle { display: none; }

.minerals-hero { position: relative; min-height: 760px; overflow: hidden; display: flex; align-items: center; isolation: isolate; background: linear-gradient(112deg, #f8f4ec 0 46%, #eee7da 100%); }
.minerals-hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: radial-gradient(circle at 82% 39%, rgba(255,255,255,.92), transparent 27%), linear-gradient(90deg, rgba(255,255,255,.36), transparent 65%); }
.mineral-network { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; opacity: .7; }
.hero-grid { position: absolute; z-index: -1; inset: 0; background-image: linear-gradient(rgba(181,139,66,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(181,139,66,.045) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(90deg, transparent 0 48%, #000 77%, transparent); }
.hero-copy { position: relative; z-index: 3; padding-top: 80px; }
.hero-copy > * { width: min(630px, 54%); }
.hero-copy h1 { margin: 0; color: #272a26; font-family: var(--serif); font-size: clamp(48px, 4.7vw, 68px); font-weight: 500; line-height: .95; letter-spacing: -.035em; text-transform: uppercase; }
.hero-copy h1 span { display: block; }
.hero-copy h1 span + span { margin-top: 8px; }
.hero-lead { max-width: 550px; margin: 25px 0 0; color: #5c5d57; font-size: 12px; line-height: 1.8; }
.hero-actions { margin-top: 30px; display: flex; gap: 12px; }
.gold-button, .outline-button { width: auto; min-width: 208px; padding: 15px 20px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; font-size: 9px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; transition: transform .3s ease, color .3s ease, background-color .3s ease; }
.gold-button { color: #fff; background: linear-gradient(135deg, #c59d55, #9d722d); border: 1px solid var(--gold); }
.outline-button { color: #866329; border: 1px solid var(--gold); background: rgba(255,255,255,.42); }
.gold-button:hover, .outline-button:hover { transform: translateY(-3px); }
.outline-button:hover { color: #fff; background: var(--gold); }
.hero-crystal { position: absolute; z-index: 1; right: 3%; top: 12%; width: 48%; height: 76%; display: grid; place-items: center; }
.hero-crystal img { position: relative; z-index: 2; width: min(530px, 87%); height: 78%; object-fit: cover; object-position: 27% center; border-radius: 50% 50% 42% 58% / 62% 44% 56% 38%; filter: saturate(.62) sepia(.15) contrast(1.05); mix-blend-mode: multiply; mask-image: radial-gradient(ellipse at center, #000 42%, rgba(0,0,0,.86) 64%, transparent 78%); animation: crystal-float 8s ease-in-out infinite; }
.crystal-halo { position: absolute; width: 74%; aspect-ratio: 1; border: 1px solid rgba(181,139,66,.3); border-radius: 50%; box-shadow: 0 0 0 32px rgba(181,139,66,.035), 0 0 0 68px rgba(181,139,66,.025); animation: halo-turn 24s linear infinite; }
.crystal-node { position: absolute; z-index: 3; width: 12px; height: 12px; border: 2px solid #d7c49d; border-radius: 50%; background: #0e6649; box-shadow: 0 0 0 7px rgba(255,255,255,.58), 0 0 26px rgba(14,102,73,.35); }
.crystal-node::after { content: ""; position: absolute; left: 50%; top: 50%; width: 100px; height: 1px; background: linear-gradient(90deg, rgba(181,139,66,.7), transparent); transform-origin: 0 50%; }
.node-one { left: 14%; top: 27%; }.node-one::after { transform: rotate(31deg); }
.node-two { left: 42%; top: 10%; }.node-two::after { transform: rotate(82deg); }
.node-three { right: 14%; top: 32%; }.node-three::after { transform: rotate(146deg); }
.node-four { left: 25%; bottom: 16%; }.node-four::after { transform: rotate(-29deg); }
.node-five { right: 34%; bottom: 9%; }.node-five::after { transform: rotate(-83deg); }
.node-six { right: 8%; bottom: 35%; }.node-six::after { transform: rotate(201deg); }
.scroll-cue { position: absolute; z-index: 4; left: clamp(48px, 5vw, 80px); bottom: 25px; display: flex; align-items: center; gap: 10px; color: #766f62; font-size: 8px; letter-spacing: .11em; text-transform: uppercase; }
.scroll-cue i { width: 17px; height: 26px; border: 1px solid #7a756b; border-radius: 9px; }
.scroll-cue i::after { content: ""; display: block; width: 2px; height: 5px; margin: 5px auto; border-radius: 2px; background: var(--gold); animation: scroll-dot 1.8s ease infinite; }
.hero-index { position: absolute; right: clamp(48px, 5vw, 80px); bottom: 25px; display: flex; align-items: center; gap: 10px; color: #8b806e; font-size: 8px; letter-spacing: .11em; text-transform: uppercase; }
.hero-index b { color: var(--gold); font-family: var(--serif); font-size: 20px; font-weight: 500; }
@keyframes crystal-float { 50% { transform: translateY(-14px) rotate(1.4deg); } }
@keyframes halo-turn { to { transform: rotate(360deg); } }
@keyframes scroll-dot { 50% { transform: translateY(8px); opacity: .2; } }

.overview { min-height: 670px; display: grid; grid-template-columns: 53% 47%; }
.overview-media { position: relative; min-height: 670px; overflow: hidden; }
.overview-media > img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) sepia(.08) contrast(1.06); }
.overview-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 60%, var(--ivory)), linear-gradient(0deg, rgba(5,43,33,.2), transparent 48%); }
.overview-media > p { position: absolute; z-index: 3; left: 42px; bottom: 32px; margin: 0; display: flex; flex-direction: column; color: #fff; text-shadow: 0 2px 15px rgba(0,0,0,.45); }
.overview-media > p b { font-family: var(--serif); font-size: 28px; font-weight: 500; }.overview-media > p span { font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.overview-monolith { position: absolute; z-index: 2; right: 4%; bottom: 0; width: 34%; height: 76%; display: flex; align-items: flex-end; justify-content: center; gap: 7px; opacity: .58; }
.overview-monolith span { width: 21%; background: linear-gradient(90deg, rgba(255,255,255,.45), rgba(225,197,142,.78), rgba(255,255,255,.35)); clip-path: polygon(50% 0, 100% 16%, 88% 100%, 10% 100%, 0 18%); box-shadow: 0 0 30px rgba(255,255,255,.3); }
.overview-monolith span:nth-child(1) { height: 43%; }.overview-monolith span:nth-child(2) { height: 72%; }.overview-monolith span:nth-child(3) { height: 54%; }
.overview-copy { padding: 80px clamp(44px, 7vw, 100px) 58px 52px; align-self: center; }
.overview-copy h2 { max-width: 520px; margin: 0; font-family: var(--serif); font-size: clamp(42px, 4vw, 58px); font-weight: 500; line-height: 1; }
.overview-copy > p:not(.eyebrow) { max-width: 540px; margin: 27px 0 0; color: var(--muted); font-size: 12px; line-height: 1.85; }
.value-chain { position: relative; margin-top: 42px; display: grid; grid-template-columns: repeat(4, 1fr); }
.value-chain::before { content: ""; position: absolute; left: 8%; right: 8%; top: 6px; height: 1px; background: var(--gold); }
.value-chain article { position: relative; padding-top: 24px; text-align: center; }
.value-chain i { position: absolute; z-index: 2; left: 50%; top: 0; width: 12px; height: 12px; border: 1px solid var(--gold); border-radius: 50%; background: var(--ivory); transform: translateX(-50%); }
.value-chain b { display: block; color: #625f57; font-size: 8px; line-height: 1.4; letter-spacing: .055em; text-transform: uppercase; }
.overview-copy blockquote { margin: 42px 0 0; padding-top: 22px; color: #777167; border-top: 1px solid var(--line); font-family: var(--serif); font-size: 19px; font-style: italic; text-align: center; }

.pillars { padding: 64px max(24px, calc((100vw - 1180px) / 2)) 72px; background: radial-gradient(circle at 90% 0, rgba(50,167,112,.12), transparent 28%), linear-gradient(135deg, #043529, #03281f); }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading h2, .processing-heading h2, .products-heading h2 { margin: 0; font-family: var(--serif); font-size: clamp(42px, 4.3vw, 62px); font-weight: 500; line-height: .95; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pillar-card { position: relative; min-height: 410px; overflow: hidden; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid rgba(213,193,147,.62); background: #0b3e31; transition: transform .4s ease, border-color .4s ease, box-shadow .4s ease; }
.pillar-card:hover { transform: translateY(-7px); border-color: #62cf93; box-shadow: 0 0 26px rgba(38,202,123,.32), inset 0 0 30px rgba(38,202,123,.1); }
.pillar-card > img, .pillar-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.pillar-card > img { object-fit: cover; filter: saturate(.58) brightness(.58); transition: transform .8s ease, filter .5s ease; }
.pillar-card:hover > img { transform: scale(1.045); filter: saturate(.78) brightness(.62); }
.pillar-shade { background: linear-gradient(180deg, rgba(1,29,22,.12), rgba(1,24,18,.92)); }
.pillar-card > b, .pillar-card > svg, .pillar-card > div:last-child { position: relative; z-index: 2; }
.pillar-card > b { color: #fff4d5; font-family: var(--serif); font-size: 48px; font-weight: 400; }
.pillar-card > svg { width: 49px; height: 49px; margin: auto 0 24px; fill: none; stroke: #f2e4bd; stroke-width: 1.5; }
.pillar-card h3 { margin: 0; font-family: var(--serif); font-size: 29px; font-weight: 500; line-height: .98; }
.pillar-card h3 + i { display: block; width: 42px; height: 1px; margin: 16px 0; background: #8dcba4; }
.pillar-card p { margin: 0; color: rgba(255,255,255,.72); font-size: 10px; line-height: 1.65; }

.processing { padding: 78px max(24px, calc((100vw - 1180px) / 2)) 82px; }
.processing-heading, .products-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; }
.process-controls { display: flex; gap: 10px; }
.process-controls button { width: 42px; height: 42px; border: 1px solid var(--gold); border-radius: 50%; background: transparent; color: var(--gold); cursor: pointer; transition: color .25s, background-color .25s; }
.process-controls button:hover { color: #fff; background: var(--gold); }
.process-progress { position: relative; height: 26px; margin: 26px 0 3px; display: flex; justify-content: space-around; align-items: center; border-top: 1px solid var(--gold); }
.process-progress span { position: absolute; left: 0; top: -2px; width: 0; height: 3px; background: var(--emerald); transition: width .45s ease; }
.process-progress i { width: 9px; height: 9px; margin-top: -26px; border-radius: 50%; background: var(--emerald); border: 2px solid var(--ivory); box-shadow: 0 0 0 1px var(--gold); }
.process-track { display: grid; grid-template-columns: repeat(4, minmax(245px, 1fr)); gap: 0; overflow-x: auto; scrollbar-width: none; scroll-snap-type: x mandatory; }
.process-track::-webkit-scrollbar { display: none; }
.process-card { min-width: 0; padding: 0 17px 25px; border-left: 1px solid rgba(181,139,66,.18); text-align: center; scroll-snap-align: start; }
.process-card:last-child { border-right: 1px solid rgba(181,139,66,.18); }
.process-card figure { position: relative; height: 190px; margin: 0 -17px 21px; overflow: hidden; }
.process-card figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.58) sepia(.08); transition: transform .6s ease; }
.process-card:hover figure img { transform: scale(1.04); }
.process-card figure b { position: absolute; left: 16px; top: 8px; color: #fff; font-family: var(--serif); font-size: 32px; font-weight: 400; text-shadow: 0 2px 12px rgba(0,0,0,.38); }
.process-card > svg { width: 47px; height: 47px; fill: none; stroke: #4e504a; stroke-width: 1.4; }
.process-card h3 { min-height: 46px; margin: 11px 0 8px; font-family: var(--serif); font-size: 22px; font-weight: 600; line-height: 1; }
.process-card p { max-width: 220px; margin: 0 auto; color: var(--muted); font-size: 9px; line-height: 1.65; }
.process-card.is-featured { border: 1px solid #3e8f6c; box-shadow: inset 0 -4px 0 #3e8f6c; }

.products { padding: 68px max(24px, calc((100vw - 1180px) / 2)) 78px; border-top: 1px solid rgba(181,139,66,.14); }
.products-heading > a { min-width: 210px; padding: 13px 18px; display: flex; justify-content: space-between; color: #8c682c; border: 1px solid var(--gold); font-size: 8px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.product-grid { margin-top: 36px; display: grid; grid-template-columns: 1fr 1.15fr; grid-template-rows: 250px 250px; gap: 10px; }
.product-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 40% 60%; background: #eee9df; border: 1px solid rgba(181,139,66,.18); }
.product-card img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; filter: saturate(.5) contrast(1.03); transition: transform .7s ease; }
.product-card:hover img { transform: scale(1.04); }
.product-copy { position: relative; z-index: 2; padding: 22px 0 18px 22px; display: flex; flex-direction: column; align-items: flex-start; }
.product-copy b { color: var(--gold); font-family: var(--serif); font-size: 32px; font-weight: 500; line-height: 1; }
.product-copy h3 { margin: 5px 0 0; font-family: var(--serif); font-size: 23px; font-weight: 600; line-height: 1; }
.product-copy span { margin-top: 5px; color: #9b7b40; font-size: 7px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.product-copy p { margin: 14px 0 0; color: var(--muted); font-size: 8px; line-height: 1.7; }
.product-copy small { margin-top: auto; color: #aaa399; font-size: 7px; }
.product-ore { grid-column: 2; grid-row: 1 / 3; grid-template-columns: 42% 58%; }
.product-ore img { object-position: 25% center; }
.product-ore .product-copy { padding: 30px 0 25px 30px; }
.product-ore .product-copy h3 { font-size: 27px; }

.partnership { min-height: 540px; padding: 60px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 31% 25% 44%; align-items: center; background: radial-gradient(circle at 42% 50%, rgba(60,197,126,.14), transparent 31%), linear-gradient(125deg, #073a2d, #02281f); }
.partnership-copy h2 { margin: 0; font-family: var(--serif); font-size: clamp(39px, 3.5vw, 52px); font-weight: 500; line-height: .98; }
.partnership-copy > p:not(.eyebrow) { margin: 20px 0 0; color: rgba(255,255,255,.7); font-size: 10px; line-height: 1.7; }
.partner-types { margin-top: 26px; display: grid; gap: 8px; }
.partner-types span { min-height: 38px; padding: 0 13px; display: flex; align-items: center; gap: 11px; color: #e5d4aa; border: 1px solid rgba(220,193,126,.6); font-size: 8px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.partner-types i { width: 19px; color: var(--gold-light); font-size: 16px; font-style: normal; text-align: center; }
.vietnam-network { position: relative; height: 410px; display: grid; place-items: center; }
.vietnam-network img { width: 72%; height: 90%; object-fit: contain; opacity: .32; filter: sepia(1) saturate(1.3) hue-rotate(355deg) brightness(1.7); }
.vietnam-network i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #f0c56e; box-shadow: 0 0 16px 5px rgba(240,197,110,.55); animation: node-pulse 2.6s ease-in-out infinite; }
.vietnam-network i:nth-of-type(1) { top: 17%; left: 49%; }.vietnam-network i:nth-of-type(2) { top: 35%; left: 55%; animation-delay: -.5s; }.vietnam-network i:nth-of-type(3) { top: 54%; left: 48%; animation-delay: -1s; }.vietnam-network i:nth-of-type(4) { top: 71%; left: 57%; animation-delay: -1.5s; }.vietnam-network i:nth-of-type(5) { top: 84%; left: 41%; animation-delay: -2s; }
@keyframes node-pulse { 50% { transform: scale(1.7); opacity: .45; } }
.partnership-form { padding-left: 25px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.field-grid label { position: relative; display: block; }
.field-grid label > span { position: absolute; z-index: 1; left: 12px; top: 8px; color: rgba(255,255,255,.52); font-size: 7px; pointer-events: none; }
.field-grid input, .field-grid select, .field-grid textarea { width: 100%; color: #fff; background: rgba(255,255,255,.025); border: 1px solid rgba(215,197,157,.54); outline: 0; transition: border-color .25s, box-shadow .25s; }
.field-grid input, .field-grid select { height: 44px; padding: 17px 11px 4px; }
.field-grid textarea { padding: 19px 11px 8px; resize: vertical; }
.field-grid select { color-scheme: dark; }
.field-grid input:focus, .field-grid select:focus, .field-grid textarea:focus { border-color: #e7c67b; box-shadow: 0 0 0 2px rgba(231,198,123,.12); }
.field-full { grid-column: 1 / -1; }
.partnership-form > button { width: 100%; height: 44px; margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 20px; color: #fff; background: linear-gradient(135deg, #c49a50, #9e712c); border: 0; cursor: pointer; font-size: 9px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.form-note { margin: 8px 0 0; color: rgba(255,255,255,.5); font-size: 7px; text-align: center; }.form-note i { color: var(--gold-light); font-style: normal; }
.form-status { min-height: 18px; margin: 5px 0 0; color: #a4e1be; font-size: 9px; text-align: center; }

.minerals-footer { padding: 45px max(24px, calc((100vw - 1180px) / 2)) 20px; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr) 1.35fr; gap: 32px; color: #66675f; background: #f8f4ed; border-top: 1px solid rgba(181,139,66,.25); font-size: 9px; }
.footer-brand img { width: 150px; height: 44px; object-fit: contain; object-position: left center; }.footer-brand p { margin: 14px 0 0; line-height: 1.7; }
.minerals-footer h3 { margin: 0 0 14px; color: #5e5546; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.minerals-footer > div > a { display: block; margin: 0 0 8px; transition: color .2s; }.minerals-footer > div > a:hover { color: var(--gold); }
.footer-newsletter p { margin: 0 0 12px; line-height: 1.6; }
.footer-newsletter form { display: flex; height: 36px; border: 1px solid rgba(181,139,66,.38); }.footer-newsletter input { min-width: 0; width: 100%; padding: 0 10px; background: #fff; border: 0; outline: 0; font-size: 8px; }.footer-newsletter button { width: 40px; border: 0; background: var(--gold); color: #fff; cursor: pointer; }
.footer-bottom { grid-column: 1 / -1; margin-top: 18px; padding-top: 16px; display: flex; justify-content: space-between; border-top: 1px solid rgba(181,139,66,.24); }.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1); }
.reveal[data-reveal="left"] { transform: translateX(-38px); }.reveal[data-reveal="right"] { transform: translateX(38px); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  :root { --shell: min(760px, calc(100vw - 48px)); }
  .minerals-header { height: 72px; padding: 0 24px; grid-template-columns: 1fr auto; background: rgba(255,253,248,.94); }
  .minerals-brand { width: 145px; }
  .menu-toggle { position: relative; z-index: 3; width: 42px; height: 42px; padding: 0; display: grid; place-content: center; gap: 5px; border: 1px solid var(--gold); background: transparent; }
  .menu-toggle > span { width: 18px; height: 1px; background: #3f403a; transition: transform .25s, opacity .25s; }
  .menu-open .menu-toggle > span:first-child { transform: translateY(6px) rotate(45deg); }.menu-open .menu-toggle > span:nth-child(2) { opacity: 0; }.menu-open .menu-toggle > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .minerals-nav { position: fixed; inset: 0; padding: 100px 28px 40px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 12px; background: var(--ivory); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
  .menu-open .minerals-nav { opacity: 1; visibility: visible; }
  .minerals-nav a { font-family: var(--serif); font-size: 42px; font-weight: 500; letter-spacing: -.02em; text-transform: none; }
  .header-tools { display: none; }
  .minerals-hero { min-height: 800px; align-items: flex-end; }
  .hero-copy { padding: 0 0 95px; }
  .hero-copy > * { width: min(620px, 84%); }
  .hero-copy h1 { font-size: 54px; }
  .hero-crystal { right: -5%; top: 6%; width: 62%; height: 55%; opacity: .58; }
  .hero-lead { font-size: 11px; }
  .overview { grid-template-columns: 1fr; }
  .overview-media { min-height: 520px; }
  .overview-media::after { background: linear-gradient(0deg, var(--ivory), transparent 35%); }
  .overview-copy { padding: 72px 48px 80px; }
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar-card { min-height: 430px; }
  .process-track { grid-template-columns: repeat(4, 310px); }
  .product-grid { grid-template-columns: 1fr; grid-template-rows: 250px 250px 430px; }
  .product-ore { grid-column: 1; grid-row: 3; }
  .partnership { grid-template-columns: 1fr 1fr; gap: 28px; }
  .vietnam-network { display: none; }
  .minerals-footer { grid-template-columns: repeat(3, 1fr); }
  .footer-brand, .footer-newsletter { grid-column: span 3; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100vw - 34px); }
  .minerals-header { height: 64px; padding: 0 17px; }
  .minerals-brand { width: 132px; }
  .minerals-hero { min-height: 790px; }
  .hero-copy { padding-bottom: 86px; }
  .hero-copy > * { width: 100%; }
  .hero-copy h1 { font-size: 40px; line-height: .98; }
  .hero-copy h1 span + span { margin-top: 6px; }
  .hero-lead { font-size: 10.5px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .gold-button, .outline-button { min-width: 0; width: 100%; }
  .hero-crystal { top: 5%; right: -27%; width: 95%; height: 48%; opacity: .42; }
  .hero-index { display: none; }
  .scroll-cue { left: 17px; bottom: 24px; }
  .overview-media { min-height: 390px; }
  .overview-copy { padding: 60px 17px 70px; }
  .overview-copy h2 { font-size: 41px; }
  .value-chain { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .value-chain::before { display: none; }
  .value-chain article { padding-top: 20px; }
  .value-chain i { top: 0; }
  .overview-copy blockquote { font-size: 17px; }
  .pillars, .processing, .products { padding-left: 17px; padding-right: 17px; }
  .section-heading h2, .processing-heading h2, .products-heading h2 { font-size: 39px; }
  .pillar-card { min-height: 400px; }
  .processing-heading, .products-heading { display: block; }
  .process-controls { margin-top: 20px; }
  .process-track { grid-template-columns: repeat(4, 82vw); }
  .process-card figure { height: 180px; }
  .products-heading > a { width: 100%; margin-top: 22px; }
  .product-grid { grid-template-rows: 235px 235px 400px; }
  .product-card { grid-template-columns: 45% 55%; }
  .product-copy { padding-left: 15px; }
  .product-copy h3 { font-size: 20px; }
  .product-ore { grid-template-columns: 48% 52%; }
  .product-ore .product-copy { padding-left: 18px; }
  .product-ore .product-copy h3 { font-size: 23px; }
  .partnership { padding: 60px 17px; grid-template-columns: 1fr; }
  .partnership-copy h2 { font-size: 39px; }
  .partnership-form { padding-left: 0; }
  .field-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: 1; }
  .minerals-footer { padding: 42px 17px 20px; grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-brand, .footer-newsletter { grid-column: span 2; }
  .footer-bottom { display: block; }.footer-bottom a { display: block; margin-top: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}