/* Omni Futura — corporate site styles */
:root {
  --ink: #15171a;          /* deep graphite */
  --ink-2: #1d2024;
  --ink-3: #272b30;
  --line-dark: rgba(255,255,255,.12);
  --paper: #f5f4f1;
  --paper-2: #ebe9e4;
  --white: #ffffff;
  --text: #1a1c1f;
  --muted: #5d636b;
  --muted-light: #a3a9b1;
  --line: rgba(21,23,26,.12);
  --accent: #b48a62;       /* oxidised copper */
  --accent-soft: #d6b897;
  --silver: #c7ccd2;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --wrap: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(88px, 11vw, 160px);
  --ease: cubic-bezier(.2,.7,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font: 400 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.12; margin: 0; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--white); color: var(--ink); padding: 10px 16px; }
.skip:focus { top: 16px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section) 0; position: relative; }
.dark { background: var(--ink); color: #e9ebee; }
.dark-2 { background: var(--ink-2); color: #e9ebee; }
.white { background: var(--white); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font: 600 12px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 28px;
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.h-xl { font-size: clamp(44px, 6.6vw, 92px); font-weight: 300; letter-spacing: -.025em; }
.h-lg { font-size: clamp(36px, 4.6vw, 64px); font-weight: 300; letter-spacing: -.02em; }
.h-md { font-size: clamp(26px, 2.6vw, 36px); }
.lede { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.6; color: var(--muted); max-width: 640px; }
.dark .lede, .dark-2 .lede { color: var(--muted-light); }
.head { display: grid; grid-template-columns: 1fr; gap: 28px; margin-bottom: clamp(48px, 7vw, 88px); }
@media (min-width: 960px) { .head { grid-template-columns: 1.1fr 1fr; align-items: end; gap: 80px; } .head .lede { margin: 0; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 28px;
  font: 600 13px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid transparent; transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn .arr { transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn-solid { background: var(--white); color: var(--ink); }
.btn-solid:hover { background: var(--accent-soft); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--ink-3); }
.link { display: inline-flex; align-items: center; gap: 10px; font: 600 13px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.link .arr { transition: transform .35s var(--ease); }
.link:hover .arr { transform: translateX(4px); }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; color: var(--white);
  transition: background .4s var(--ease), border-color .4s var(--ease), transform .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { background: rgba(21,23,26,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line-dark); }
.site-header .bar { display: flex; align-items: center; justify-content: space-between; height: 84px; gap: 24px; }
.site-header.scrolled .bar { height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 14px; flex-shrink: 0; }

.brand-name { font: 600 15px/1 var(--sans); letter-spacing: .28em; text-transform: uppercase; }
.brand-name small { display: block; margin-top: 6px; font-size: 9.5px; font-weight: 500; letter-spacing: .3em; color: var(--muted-light); }
.nav { display: none; }
.nav ul { display: flex; gap: clamp(18px, 2vw, 32px); }
.nav a { white-space: nowrap; font: 500 12px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.78); padding: 8px 0; position: relative; transition: color .3s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent-soft); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.nav a:hover, .nav a.active { color: var(--white); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.header-cta { display: none; white-space: nowrap; min-height: 42px; padding: 0 18px; font-size: 11px; border-color: rgba(255,255,255,.35); }
.menu-btn { width: 44px; height: 44px; display: grid; place-items: center; background: none; border: 0; color: inherit; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 1px; background: currentColor; position: relative; transition: background .3s; }
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; width: 24px; height: 1px; background: currentColor; transition: transform .35s var(--ease); }
.menu-btn span::before { top: -7px; } .menu-btn span::after { top: 7px; }
.menu-open .menu-btn span { background: transparent; }
.menu-open .menu-btn span::before { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-btn span::after { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  position: fixed; inset: 0; z-index: 40; background: var(--ink); color: var(--white);
  padding: 110px var(--gutter) 40px; display: flex; flex-direction: column; justify-content: space-between;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
}
.menu-open .mobile-nav { opacity: 1; visibility: visible; }
.mobile-nav a { display: block; font: 300 30px/1.25 var(--serif); padding: 8px 0; border-bottom: 1px solid var(--line-dark); }
.mobile-nav .btn { display: flex; margin-top: 32px; font-family: var(--sans); font-size: 12px; border: 1px solid rgba(255,255,255,.4); justify-content: center; }
@media (min-width: 1380px) {
  .nav { display: inline-flex; }
  .menu-btn, .mobile-nav { display: none; }
}

/* Hero */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; color: var(--white); overflow: hidden; background: var(--ink); }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; transform: scale(1.06); animation: heroIn 2.4s var(--ease) forwards; }
@keyframes heroIn { to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,16,19,.55) 0%, rgba(14,16,19,.15) 32%, rgba(14,16,19,.45) 62%, rgba(14,16,19,.92) 100%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: 140px; padding-bottom: clamp(40px, 6vw, 72px); }
.hero h1 { max-width: 11.5em; }
.hero .sub { margin: 28px 0 44px; max-width: 590px; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.6; color: rgba(255,255,255,.82); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta {
  margin-top: clamp(56px, 9vw, 110px); padding-top: 24px; border-top: 1px solid rgba(255,255,255,.2);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 32px;
  font: 500 11px/1.5 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.62);
}
.hero-meta strong { display: block; color: var(--white); font-weight: 500; margin-top: 6px; letter-spacing: .12em; }
@media (min-width: 760px) { .hero-meta { grid-template-columns: repeat(4, 1fr); } }

/* Intro + stats */
.intro-grid { display: grid; gap: 48px; }
.intro-statement { font: 300 clamp(24px, 2.5vw, 34px)/1.4 var(--serif); color: var(--text); max-width: 26em; }
.intro-body { color: var(--muted); max-width: 560px; }
@media (min-width: 960px) { .intro-grid { grid-template-columns: 1.1fr 1fr; gap: 80px; } }
.stats { margin-top: clamp(64px, 8vw, 104px); display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.stat { padding: 32px 0; border-bottom: 1px solid var(--line); }
.stat-k { font: 300 clamp(26px, 2.4vw, 34px)/1.15 var(--serif); margin-bottom: 10px; }
.stat-v { font: 500 12px/1.5 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(2, 1fr); } .stat:nth-child(odd) { padding-right: 32px; border-right: 1px solid var(--line); } .stat:nth-child(even) { padding-left: 32px; } }
@media (min-width: 1024px) {
  .stats { grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
  .stat { border-bottom: 0; padding: 40px 32px; border-right: 1px solid var(--line); }
  .stat:first-child { padding-left: 0; } .stat:last-child { border-right: 0; }
  .stat:nth-child(even) { padding-left: 32px; } .stat:nth-child(odd) { padding-right: 32px; }
}

/* Business pillars */
.pillars { display: grid; gap: 2px; background: var(--line-dark); }
.pillar { position: relative; background: var(--ink); overflow: hidden; display: flex; flex-direction: column; }
.pillar-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink-3); }
.pillar-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) brightness(.88); transition: transform 1.2s var(--ease), filter .8s var(--ease); }
.pillar:hover .pillar-media img { transform: scale(1.04); filter: saturate(1) brightness(1); }
.pillar-body { padding: 32px clamp(24px, 3vw, 40px) 40px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.pillar-num { font: 500 12px/1 var(--sans); letter-spacing: .2em; color: var(--accent-soft); }
.pillar h3 { font: 600 14px/1.35 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--white); }
.pillar p { color: var(--muted-light); margin: 0; max-width: 34em; }
@media (min-width: 760px) { .pillars { grid-template-columns: repeat(2, 1fr); } }

/* Assets */
.assets-layout { display: grid; gap: 56px; }
@media (min-width: 1024px) { .assets-layout { grid-template-columns: minmax(320px, 4fr) 7fr; gap: 64px; align-items: start; } .map-panel { position: sticky; top: 110px; } }
.map-panel { background: var(--ink); color: var(--white); padding: clamp(24px, 3vw, 40px); }
.map-panel figcaption { display: flex; justify-content: space-between; gap: 16px; font: 500 11px/1.4 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted-light); margin-bottom: 18px; }
.sa-map { width: 100%; height: auto; max-height: 620px; margin: 0 auto; }
.sa-map .land path { fill: #2a2e34; stroke: #3c4149; stroke-width: .6; transition: fill .4s; }
.sa-map .land .op { fill: #5b4a3b; stroke: var(--accent-soft); stroke-width: .9; }
.sa-map .land .op.hl { fill: #77604a; }
.sa-map .grat { stroke: rgba(255,255,255,.05); stroke-width: .6; fill: none; }
.sa-map .marker circle.dot { fill: var(--white); }
.sa-map .marker circle.ring { fill: none; stroke: var(--accent-soft); stroke-width: 1; transform-box: fill-box; transform-origin: center; animation: pulse 3.2s ease-out infinite; }
.sa-map .label { font: 600 14px var(--sans); letter-spacing: .16em; fill: var(--white); text-transform: uppercase; }
.sa-map .label-sm { font: 500 11.5px var(--sans); letter-spacing: .14em; fill: var(--muted-light); text-transform: uppercase; }
@keyframes pulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(2.4); opacity: 0; } }
.countries { margin-top: 24px; border-top: 1px solid var(--line-dark); }
.country { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-dark); cursor: default; }
.country b { font: 400 21px/1.2 var(--serif); }
.country span { font: 500 11px/1.5 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted-light); text-align: right; }
.country.pending b { color: var(--muted-light); }
.projects { display: grid; gap: 20px; }
@media (min-width: 680px) { .projects { grid-template-columns: repeat(2, 1fr); } }
.project {
  background: var(--white); border: 1px solid var(--line); padding: 32px; display: flex; flex-direction: column; gap: 20px;
  transition: border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.project:hover { border-color: rgba(180,138,98,.6); transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgba(21,23,26,.35); }
.project-top { display: flex; justify-content: space-between; align-items: center; font: 600 11px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.tag { display: inline-flex; padding: 7px 10px; border: 1px solid var(--line); font-size: 10px; letter-spacing: .16em; color: var(--text); }
.project h3 { font-size: 28px; }
.project p { color: var(--muted); font-size: 15.5px; margin: 0; }
.project dl { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; margin: 0; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.project dt { font: 600 10.5px/1.4 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.project dd { margin: 4px 0 0; font-size: 15px; }
.project .link { margin-top: auto; color: var(--text); }
.project.placeholder { background: transparent; border-style: dashed; justify-content: center; align-items: flex-start; min-height: 260px; }
.project.placeholder:hover { transform: none; box-shadow: none; }

/* Philosophy / process */
.process { display: grid; gap: 0; counter-reset: step; border-top: 1px solid var(--line-dark); }
.step { position: relative; padding: 32px 0; border-bottom: 1px solid var(--line-dark); display: grid; grid-template-columns: 64px 1fr; gap: 8px 16px; }
.step::before { counter-increment: step; content: "0" counter(step); font: 500 12px/1.9 var(--sans); letter-spacing: .2em; color: var(--accent-soft); grid-row: span 2; }
.step h3 { font-size: 26px; color: var(--white); }
.step p { margin: 0; color: var(--muted-light); font-size: 15.5px; }
@media (min-width: 1024px) {
  .process { grid-template-columns: repeat(5, 1fr); border-top: 0; }
  .step { grid-template-columns: 1fr; border-bottom: 0; padding: 56px 28px 0 0; }
  .step::before { grid-row: auto; }
  .step::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--line-dark); }
  .step .node { position: absolute; top: -4px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--ink-2); border: 1px solid var(--accent-soft); }
  .step:last-child .node { background: var(--accent-soft); }
}
.levers { margin-top: clamp(72px, 9vw, 120px); display: grid; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.lever { background: var(--ink-2); padding: 28px 28px 30px; display: flex; gap: 18px; align-items: baseline; }
.lever span { font: 500 12px var(--sans); letter-spacing: .14em; color: var(--accent-soft); }
.lever b { font-weight: 500; color: var(--white); }
.lever p { margin: 6px 0 0; color: var(--muted-light); font-size: 15px; }
@media (min-width: 680px) { .levers { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .levers { grid-template-columns: repeat(3, 1fr); } }

/* Commodities */
.trade-hero { position: relative; min-height: 560px; display: flex; align-items: flex-end; color: var(--white); overflow: hidden; }
.trade-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.trade-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,16,19,.94) 0%, rgba(14,16,19,.72) 45%, rgba(14,16,19,.2) 100%); }
.trade-hero .wrap { position: relative; z-index: 1; padding-top: 140px; padding-bottom: 80px; }
.trade-hero h2 { max-width: 12em; }
.trade-hero .lede { color: rgba(255,255,255,.78); margin-top: 28px; }
.trade-grid { display: grid; gap: 56px; }
@media (min-width: 1024px) { .trade-grid { grid-template-columns: 1fr 1fr; gap: 88px; } }
.cp-list li { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line-dark); font: 300 22px/1.3 var(--serif); }
.cp-list li:first-child { border-top: 1px solid var(--line-dark); }
.cp-list li span { font: 500 11px var(--sans); letter-spacing: .16em; color: var(--muted-light); }
.metals { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.metal { background: var(--ink); padding: 22px 22px 24px; min-height: 128px; display: flex; flex-direction: column; justify-content: space-between; transition: background .4s var(--ease); }
.metal:hover { background: var(--ink-3); }
.metal sup { font: 500 11px var(--sans); letter-spacing: .12em; color: var(--muted-light); }
.metal .sym { font: 300 40px/1 var(--serif); color: var(--white); }
.metal .nm { font: 600 11px var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--accent-soft); }
.metal.more .sym { font-size: 26px; color: var(--muted-light); }
@media (min-width: 560px) { .metals { grid-template-columns: repeat(3, 1fr); } }
.specimens { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.specimen { background: radial-gradient(ellipse at 50% 45%, #2b2f35 0%, var(--ink) 70%); padding: 28px 20px 20px; text-align: center; }
.specimen img { width: 100%; max-width: 260px; margin: 0 auto 16px; aspect-ratio: 10 / 7; object-fit: contain; filter: drop-shadow(0 18px 24px rgba(0,0,0,.5)); }
.specimen figcaption { font: 500 11px/1.5 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted-light); }
.route { margin-top: clamp(72px, 9vw, 120px); display: grid; gap: 40px; align-items: center; }
@media (min-width: 1024px) { .route { grid-template-columns: 1fr 1.2fr; gap: 72px; } }
.route-media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; }
.route-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); }
.chain { display: grid; gap: 0; margin-top: 32px; }
.chain li { display: grid; grid-template-columns: 22px 1fr; gap: 18px; padding-bottom: 26px; position: relative; }
.chain li::before { content: ""; width: 9px; height: 9px; border: 1px solid var(--accent-soft); border-radius: 50%; margin: 8px 0 0 6px; }
.chain li:not(:last-child)::after { content: ""; position: absolute; left: 10px; top: 22px; bottom: 2px; width: 1px; background: var(--line-dark); }
.chain b { display: block; font-weight: 500; color: var(--white); }
.chain p { margin: 2px 0 0; font-size: 15px; color: var(--muted-light); }

/* Advantage */
.adv { position: relative; overflow: hidden; }
.adv-bg { position: absolute; inset: 0 0 auto 0; height: 62%; }
.adv-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.adv-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(21,23,26,.35), var(--ink) 96%); }
.adv .wrap { position: relative; }
.adv-grid { display: grid; gap: 56px; }
@media (min-width: 1024px) { .adv-grid { grid-template-columns: 1fr 1.15fr; gap: 80px; align-items: center; } }
.adv-map { max-width: 440px; margin: 0 auto; width: 100%; }
.adv-map .land path { fill: #353a41; stroke: #4b515a; }
.adv-map .land .op { fill: #8a6c50; stroke: var(--accent-soft); }
.adv-map .label-sm { font-size: 13px; fill: #e9ebee; }
.adv-map .routes path { fill: none; stroke: var(--accent-soft); stroke-width: 1; stroke-dasharray: 3 5; opacity: .8; }
.adv-list { display: grid; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.adv-item { background: rgba(21,23,26,.9); padding: 26px 28px; }
.adv-item b { display: block; font: 400 22px/1.25 var(--serif); color: var(--white); margin-bottom: 6px; }
.adv-item p { margin: 0; color: var(--muted-light); font-size: 15px; }
@media (min-width: 680px) { .adv-list { grid-template-columns: 1fr 1fr; } }

/* Sustainability */
.esg { display: grid; gap: 0; border-top: 1px solid var(--line); }
.esg-item { padding: 36px 0; border-bottom: 1px solid var(--line); display: grid; gap: 12px; }
.esg-item h3 { font-size: 26px; }
.esg-item p { margin: 0; color: var(--muted); max-width: 34em; }
.esg-item .ic { width: 36px; height: 36px; color: var(--accent); }
@media (min-width: 760px) { .esg { grid-template-columns: repeat(2, 1fr); column-gap: 64px; } }
@media (min-width: 1100px) { .esg { grid-template-columns: repeat(3, 1fr); } }
.note { margin-top: 48px; font-size: 14px; color: var(--muted); max-width: 720px; }

/* Leadership */
.people { display: grid; gap: 24px; }
@media (min-width: 680px) { .people { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .people { grid-template-columns: repeat(3, 1fr); } }
.person { border-top: 1px solid var(--text); padding-top: 28px; }
.portrait { aspect-ratio: 4 / 5; background: linear-gradient(160deg, var(--paper-2), #dcd9d2); display: grid; place-items: center; margin-bottom: 28px; overflow: hidden; }
.portrait span { font: 300 64px/1 var(--serif); color: rgba(21,23,26,.25); }
.person h3 { font-size: 26px; }
.person .role { font: 600 11px/1.5 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin: 10px 0 16px; }
.person p { color: var(--muted); font-size: 15.5px; }
.person .area { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 18px; }

/* Insights */
.news { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 900px) { .news { grid-template-columns: repeat(3, 1fr); } }
.post { background: var(--paper); padding: 36px 32px 32px; display: flex; flex-direction: column; gap: 18px; min-height: 300px; transition: background .4s var(--ease); }
.post:hover { background: var(--white); }
.post-meta { display: flex; justify-content: space-between; font: 600 11px var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.post-meta .cat { color: var(--accent); }
.post h3 { font-size: 25px; line-height: 1.25; }
.post p { color: var(--muted); font-size: 15.5px; margin: 0; }
.post .link { margin-top: auto; }
.topics { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.topics span { padding: 9px 14px; border: 1px solid var(--line); font: 500 11px var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* Contact */
.contact { position: relative; overflow: hidden; }
.contact-grid { display: grid; gap: 64px; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1.2fr 1fr; gap: 96px; } }
.audiences { display: flex; flex-wrap: wrap; gap: 10px; margin: 36px 0 44px; }
.audiences li { padding: 10px 16px; border: 1px solid var(--line-dark); font: 500 12px var(--sans); letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.8); }
.offices { display: grid; gap: 0; border-top: 1px solid var(--line-dark); }
.office { padding: 26px 0; border-bottom: 1px solid var(--line-dark); }
.office h3 { font: 600 11px var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--accent-soft); margin-bottom: 10px; }
.office p { margin: 0; color: rgba(255,255,255,.82); }
.office a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 4px; }

/* Footer */
.site-footer { background: #0f1113; color: var(--muted-light); padding: 88px 0 36px; font-size: 14.5px; }
.footer-top { display: grid; gap: 48px; padding-bottom: 64px; border-bottom: 1px solid var(--line-dark); }
@media (min-width: 900px) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-top .brand { color: var(--white); margin-bottom: 22px; }
.footer-top h4 { font: 600 11px var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--white); margin-bottom: 20px; }
.footer-top li { margin-bottom: 10px; }
.footer-top a:hover { color: var(--white); }
.tagline { font: 500 11px var(--sans); letter-spacing: .2em; text-transform: uppercase; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 28px; font-size: 13px; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-bottom a:hover { color: var(--white); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .1s; } .reveal[data-d="2"] { transition-delay: .2s; } .reveal[data-d="3"] { transition-delay: .3s; } .reveal[data-d="4"] { transition-delay: .4s; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-media img { transform: none; }
}

/* Inner pages */
.page-hero { background: var(--ink); color: var(--white); padding: 180px 0 88px; }
.page-hero .lede { color: var(--muted-light); margin-top: 24px; }
.prose { max-width: 760px; }
.prose h2 { font-size: 30px; margin: 56px 0 18px; }
.prose p, .prose li { color: var(--muted); }
.prose ul { list-style: disc; padding-left: 20px; margin-bottom: 1em; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 0; }
.facts div { background: var(--white); padding: 22px 24px; }
.facts dt { font: 600 10.5px var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 8px 0 0; font: 400 20px/1.3 var(--serif); }
@media (min-width: 900px) { .facts { grid-template-columns: repeat(3, 1fr); } }
.placeholder-note { background: #fbf6ef; border-left: 2px solid var(--accent); padding: 14px 18px; font-size: 14px; color: var(--muted); margin: 32px 0; }
@media (min-width: 1380px) { .header-cta { display: inline-flex; } }

/* ---------- v2: brand mark, language switcher ---------- */
.brand .brand-mark { width: 26px; height: 41px; color: var(--white); }
.header-right { display: flex; align-items: center; gap: 18px; }
.lang { display: inline-flex; align-items: center; border: 1px solid rgba(255,255,255,.28); }
.lang a { font: 500 12px/1 var(--sans); letter-spacing: .08em; padding: 8px 10px; color: rgba(255,255,255,.7); transition: color .3s, background .3s; }
.lang a + a { border-left: 1px solid rgba(255,255,255,.2); }
.lang a:hover { color: var(--white); }
.lang a[aria-current] { color: var(--ink); background: var(--white); }
.lang-mobile { margin-bottom: 18px; }
.lang-mobile a { padding: 12px 18px; font-size: 14px; }
@media (max-width: 1379px) { .header-right > .lang { display: none; } }
@media (max-width: 380px) { .brand-name small { display: none; } }

/* stats */
.stat-k.num { font-size: clamp(44px, 4.6vw, 64px); font-weight: 300; line-height: 1; }
.stat-k.num small { font-size: .38em; letter-spacing: .02em; color: var(--muted); }
.stat-k.sym { font-size: clamp(22px, 2vw, 27px); line-height: 1.25; letter-spacing: .04em; }

/* world map */
.world { margin: 0 0 clamp(48px, 6vw, 72px); background: var(--ink); color: var(--white); padding: clamp(20px, 3vw, 40px); }
.world-map { width: 100%; height: auto; }
.world-map .land path { fill: #2a2e34; stroke: #3a3f46; stroke-width: .5; }
.world-map .land .mk { fill: #33383f; }
.world-map .land .op { fill: #6e5843; stroke: var(--accent-soft); stroke-width: .8; }
.world-map .grat { stroke: rgba(255,255,255,.045); stroke-width: .6; fill: none; }
.world-map .routes path { fill: none; stroke: var(--accent-soft); stroke-width: 1.3; stroke-dasharray: 4 6; opacity: .9; animation: dash 30s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -400; } }
.world-map .marker .dot { fill: var(--white); }
.world-map .marker.hq .dot { fill: var(--accent-soft); }
.world-map .marker .ring { fill: none; stroke: var(--accent-soft); stroke-width: 1; transform-box: fill-box; transform-origin: center; animation: pulse 3.2s ease-out infinite; }
.world-map .label { font: 600 17px var(--sans); letter-spacing: .12em; fill: var(--white); text-transform: uppercase; }
.world-map .label-sm { font: 500 13px var(--sans); letter-spacing: .14em; fill: var(--muted-light); text-transform: uppercase; }
.world-map .label-sea { font: italic 300 22px var(--serif); fill: rgba(255,255,255,.22); letter-spacing: .3em; }
.world-legend { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line-dark); font: 500 12px/1.5 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--muted-light); }
.world-legend i { display: inline-block; width: 10px; height: 10px; margin-right: 10px; vertical-align: -1px; }
.k-hq { background: var(--accent-soft); border-radius: 50%; }
.k-op { background: #6e5843; border: 1px solid var(--accent-soft); }
.k-route { width: 22px !important; height: 0 !important; border-top: 1.5px dashed var(--accent-soft); vertical-align: 3px !important; }
@media (max-width: 640px) { .world { padding: 12px; margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1); } .world-map .label { font-size: 22px; } .world-map .label-sm, .world-map .label-sea { display: none; } .world-legend { padding: 18px 8px 6px; } }
.projects.four { grid-template-columns: 1fr; }
@media (min-width: 680px) { .projects.four { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .projects.four { grid-template-columns: repeat(4, 1fr); } .projects.four .project { padding: 28px 24px; } .projects.four h3 { font-size: 25px; } }
.sa-map .op { fill: #77604a !important; stroke: var(--accent-soft) !important; }

/* field gallery */
.gallery { display: grid; gap: 12px; grid-template-columns: 1fr; }
.gallery figure { margin: 0; position: relative; overflow: hidden; background: var(--ink-3); }
.gallery img { width: 100%; height: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 1.2s var(--ease); }
.gallery figure:hover img { transform: scale(1.035); }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 14px; font: 500 11.5px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--white); background: linear-gradient(transparent, rgba(10,12,14,.75)); }
@media (min-width: 900px) {
  .gallery { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 260px; }
  .gallery img { aspect-ratio: auto; }
  .gallery .g-wide { grid-column: span 2; }
  .gallery .g-tall { grid-row: span 2; }
}

/* investors band (home) */
.investor-band { position: relative; color: var(--white); background: var(--ink); overflow: hidden; }
.investor-bg { position: absolute; inset: 0; }
.investor-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.investor-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,16,19,.92), rgba(14,16,19,.55)); }
.investor-inner { position: relative; padding-top: var(--section); padding-bottom: var(--section); }
.investor-inner .lede { color: rgba(255,255,255,.78); margin: 24px 0 40px; }

/* investors page */
.ir-hero { position: relative; overflow: hidden; padding-bottom: 120px; }
.ir-hero .wrap { position: relative; }
.ir-hero-bg { position: absolute; inset: 0; }
.ir-hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.ir-hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,16,19,.95), rgba(14,16,19,.5)); }
.ir-hero .lede { max-width: 620px; }
.highlights { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 680px) { .highlights { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .highlights { grid-template-columns: repeat(3, 1fr); } }
.hl { background: var(--paper); padding: 36px 32px 34px; display: flex; flex-direction: column; gap: 12px; transition: background .4s var(--ease); }
.hl:hover { background: var(--white); }
.hl-k { font: 300 34px/1 var(--serif); color: var(--accent); margin-bottom: 12px; }
.hl h3 { font-size: 24px; }
.hl p { margin: 0; color: var(--muted); font-size: 15.5px; }
.ov-grid { display: grid; gap: 48px; }
@media (min-width: 1024px) { .ov-grid { grid-template-columns: 1fr 2fr; gap: 72px; } }
.facts { grid-template-columns: 1fr; }
@media (min-width: 640px) { .facts { grid-template-columns: repeat(2, 1fr); } }
.facts dd { font-size: 19px; }
.facts .cn { font-size: 17px; color: var(--muted); }
.levers.light { background: var(--line); border-color: var(--line); }
.levers.light .lever { background: var(--paper); }
.levers.light .lever b { color: var(--text); }
.levers.light .lever p { color: var(--muted); }
.levers.light .lever span { color: var(--accent); }
.inquiry { display: grid; grid-template-columns: 1fr; gap: 18px 20px; align-content: start; }
@media (min-width: 560px) { .inquiry { grid-template-columns: 1fr 1fr; } .inquiry .full { grid-column: 1 / -1; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font: 600 11px var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--muted-light); }
.field input, .field select, .field textarea {
  font: 400 16px/1.5 var(--sans); color: var(--white); background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark); border-radius: 0; padding: 13px 14px; width: 100%; transition: border-color .3s, background .3s;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted-light) 50%), linear-gradient(135deg, var(--muted-light) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.field select option { color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent-soft); background: rgba(255,255,255,.07); }
.form-foot { gap: 14px; }
.form-foot .btn { align-self: flex-start; border: 0; cursor: pointer; }
.form-note { margin: 0; font-size: 13px; color: var(--muted-light); }
.form-error { margin: 0; font-size: 14px; color: #e7a98f; }
.footer-logo img { width: 300px; max-width: 100%; height: auto; margin: -8px 0 18px -14px; }

/* ---------- Chinese typography ---------- */
html[lang^="zh"] body { font-family: "Inter", "PingFang HK", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", "Noto Sans CJK TC", "Noto Sans CJK SC", sans-serif; line-height: 1.8; }
html[lang^="zh-Hant"] { --serif: "Source Serif 4", "Noto Serif TC", "Songti TC", serif; }
html[lang^="zh-Hans"] { --serif: "Source Serif 4", "Noto Serif SC", "Songti SC", serif; }
html[lang^="zh"] .h-xl { letter-spacing: .02em; line-height: 1.2; }
html[lang^="zh"] .h-lg { letter-spacing: .02em; line-height: 1.28; }
html[lang^="zh"] h3 { letter-spacing: .02em; }
html[lang^="zh"] .eyebrow, html[lang^="zh"] .pillar h3, html[lang^="zh"] .stat-v, html[lang^="zh"] .gallery figcaption { letter-spacing: .12em; }
html[lang^="zh"] .lede, html[lang^="zh"] .intro-body, html[lang^="zh"] p { line-height: 1.85; }
html[lang^="zh"] .intro-statement { line-height: 1.6; }
.header-cta { display: none !important; }
@media (min-width: 1760px) { .header-cta { display: inline-flex !important; } }
.project-top { flex-wrap: wrap; gap: 10px; }
h1, h2, .intro-statement { text-wrap: balance; }
@media (min-width: 560px) { .metals { grid-template-columns: repeat(4, 1fr); } .metal { min-height: 112px; padding: 18px 16px 20px; } }
.lever span { flex: 0 0 22px; }

/* slogan "Ideas of Everything" */
.hero .slogan { margin: -14px 0 20px; font: italic 300 clamp(18px, 1.6vw, 22px)/1.3 var(--serif); letter-spacing: .04em; color: var(--accent-soft); }
.slogan-line { font-size: 15px; color: var(--muted); border-left: 2px solid var(--accent); padding-left: 16px; }
.slogan-line span { font: italic 400 18px/1 var(--serif); color: var(--text); }
.slogan-foot { margin: -6px 0 12px; font: italic 300 19px/1.3 var(--serif); color: var(--accent-soft); letter-spacing: .03em; }
.projects.three { grid-template-columns: 1fr; }
@media (min-width: 760px) { .projects.three { grid-template-columns: repeat(3, 1fr); } }
.ahead { margin: 36px 0 0; padding: 20px 24px; border: 1px dashed rgba(180,138,98,.55); color: var(--muted); font-size: 15.5px; max-width: 860px; }
.ahead b { font: 600 11px var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-right: 12px; }
html[lang="es"] .nav ul { gap: clamp(14px, 1.5vw, 26px); }
/* world map v3: supply & buyer countries */
.world-map .land .sp { fill: #4a4036; stroke: #a4876a; stroke-width: .7; }
.world-map .land .by { fill: #3a4450; stroke: #8fa3b8; stroke-width: .7; }
.world-map .routes.supply path { stroke: #a4876a; stroke-dasharray: 2 5; opacity: .75; }
.world-map .pt.sp { fill: #d6b897; }
.world-map .pt.by { fill: #b8cadb; }
.world-map .label-c { font: 600 13px var(--sans); letter-spacing: .1em; fill: #e9ebee; text-transform: uppercase; }
.world-map .label-edge { font: italic 400 15px var(--serif); fill: var(--accent-soft); }
.k-sp { background: #4a4036; border: 1px solid #a4876a; }
.k-by { background: #3a4450; border: 1px solid #8fa3b8; }
.k-route-sp { border-top-style: dotted !important; border-top-color: #a4876a !important; }
@media (max-width: 640px) { .world-map .label-c { font-size: 19px; } .world-map .label-edge { display: none; } }

@media (min-width: 1380px) and (max-width: 1499px) { html[lang="es"] .nav { display: none; } html[lang="es"] .header-right > .lang { display: none; } html[lang="es"] .menu-btn { display: grid; } html[lang="es"] .mobile-nav { display: flex; } }
html[lang="es"] .header-cta { display: none !important; }
.adv-item.adv-key { background: rgba(70,56,42,.92); }
.adv-item.adv-key b { color: var(--accent-soft); }
