:root {
  --font: "Inter", Arial, sans-serif;
  --display-font: "Montserrat", "Inter", Arial, sans-serif;
  --radius: 8px;
  --max: 1180px;
  --header-height: 92px;
  --brand-gold: #d8a531;
  --brand-gold-light: #f0c85a;
  --dark-ink: #120f08;
}

body {
  --bg: #f3f0e9;
  --surface: #fffaf0;
  --surface-2: #e7dfd1;
  --ink: #171714;
  --muted: #625e54;
  --line: rgba(45, 39, 30, 0.16);
  --accent: var(--brand-gold);
  --accent-2: #1f6b58;
  --metal: #30302c;
  --gold: var(--brand-gold);
  --hero-image: url("assets/hero-industrial.png?v=2");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  letter-spacing: 0;
  transition: background 240ms ease, color 240ms ease;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 22px;
  align-items: center;
  padding: 0 clamp(18px, 4vw, 54px);
  color: #fff;
  background: rgba(9, 8, 5, 0.66);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: clamp(190px, 20vw, 270px);
  max-height: 66px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 22px;
  font-size: 0.78rem;
  font-family: var(--display-font);
  font-weight: 600;
  text-transform: uppercase;
}

.main-nav a {
  opacity: 0.84;
}

.main-nav a:hover {
  opacity: 1;
}

.language-switcher {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  width: 86px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.language-button {
  min-height: 32px;
  border: 0;
  color: rgba(255, 255, 255, 0.68);
  background: transparent;
  font: 700 0.72rem var(--display-font);
  cursor: pointer;
}

.language-button.is-active {
  color: var(--dark-ink);
  background: var(--gold);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  align-items: end;
  gap: clamp(24px, 5vw, 70px);
  padding: calc(var(--header-height) + 70px) clamp(20px, 6vw, 72px) 74px;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  transition: background-image 240ms ease;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.76) 0%, rgba(0, 0, 0, 0.48) 48%, rgba(0, 0, 0, 0.22) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.62) 0%, rgba(0, 0, 0, 0.05) 48%);
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 820px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: clamp(0.95rem, 1.1vw, 1.08rem);
  font-family: var(--display-font);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 870px;
  margin-bottom: 22px;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: clamp(2.85rem, 6.6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-family: var(--display-font);
  font-weight: 600;
  font-size: 0.92rem;
}

.button-primary {
  background: var(--gold);
  color: var(--dark-ink);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.hero-panel {
  align-self: end;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(12, 12, 10, 0.62);
  backdrop-filter: blur(18px);
}

.hero-panel span {
  display: block;
  color: var(--gold);
  font-size: 0.72rem;
  font-family: var(--display-font);
  font-weight: 700;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  margin: 10px 0;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 2rem;
}

.hero-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.55;
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.stats-band div {
  padding: 26px clamp(20px, 4vw, 54px);
  border-right: 1px solid var(--line);
}

.stats-band div:last-child {
  border-right: 0;
}

.stats-band strong {
  display: block;
  color: var(--accent);
  font-family: var(--display-font);
  font-weight: 700;
  font-size: clamp(1.55rem, 3vw, 2.45rem);
}

.stats-band span {
  color: var(--muted);
  font-weight: 600;
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0;
}

.intro-grid,
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: start;
}

.intro-grid h2,
.section-heading h2,
.operations h2,
.contact-section h2 {
  margin-bottom: 0;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: clamp(1.85rem, 3.8vw, 3.6rem);
  line-height: 1.06;
}

.intro-grid p,
.section-heading p,
.operations-content p,
.contact-section p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.rich-copy p {
  margin-bottom: 18px;
}

.rich-copy p:last-child {
  margin-bottom: 0;
}

.media-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding-top: 0;
}

.media-copy p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.media-frame {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(216, 165, 49, 0.12), transparent 62%),
    var(--bg);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--bg) 0%, transparent 18%, transparent 82%, var(--bg) 100%),
    linear-gradient(180deg, var(--bg) 0%, transparent 18%, transparent 82%, var(--bg) 100%);
}

.media-frame img {
  width: 100%;
  min-height: 420px;
  display: block;
  object-fit: cover;
  opacity: 0.9;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 46%, rgba(0, 0, 0, 0.86) 62%, transparent 82%);
  mask-image: radial-gradient(ellipse at center, #000 46%, rgba(0, 0, 0, 0.86) 62%, transparent 82%);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: 18px;
  margin-top: 42px;
}

.asset-card {
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 28px;
  color: #fff;
  background: #1b1a17;
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.asset-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.76;
  background:
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.72) 72%),
    radial-gradient(circle at 20% 12%, rgba(237, 199, 102, 0.42), transparent 32%);
}

.gold-card {
  background: linear-gradient(135deg, #4a3513, #12110f 62%);
}

.copper-card {
  background: linear-gradient(135deg, #5a3a24, #17201d 62%);
}

.geology-card {
  background: linear-gradient(135deg, #743f21, #131210 62%);
}

.industrial-card {
  background: linear-gradient(135deg, #283431, #111210 62%);
}

.compliance-card {
  background: linear-gradient(135deg, #3a3324, #12110f 62%);
}

.value-card {
  background: linear-gradient(135deg, #184836, #111210 62%);
}

.asset-card > * {
  position: relative;
  z-index: 1;
}

.asset-tag {
  width: fit-content;
  margin-bottom: 22px;
  padding: 7px 10px;
  color: #17120a;
  background: var(--gold);
  font-size: 0.74rem;
  font-family: var(--display-font);
  font-weight: 700;
  text-transform: uppercase;
}

.asset-card h3,
.responsibility-grid h3 {
  margin-bottom: 12px;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 1.35rem;
}

.asset-card p,
.responsibility-grid p,
.timeline p {
  margin-bottom: 0;
  line-height: 1.6;
}

.technical-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.technical-list li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.48;
  font-size: 0.92rem;
}

.technical-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-weight: 700;
}

.operations {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 74px);
  padding: 96px clamp(20px, 6vw, 72px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7, 7, 6, 0.92), rgba(7, 7, 6, 0.78)),
    var(--hero-image);
  background-size: cover;
  background-position: center;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline > li {
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.timeline > li > span {
  display: block;
  margin-bottom: 16px;
  color: var(--gold);
  font-family: var(--display-font);
  font-weight: 700;
}

.timeline > li > strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 1.25rem;
}

.timeline > li > p {
  color: rgba(255, 255, 255, 0.72);
}

.timeline .technical-list {
  margin-top: 14px;
  gap: 8px;
}


.responsibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: var(--line);
  border: 1px solid var(--line);
}

.responsibility-grid article {
  min-height: 210px;
  padding: 26px;
  background: var(--surface);
}

.responsibility-grid p {
  color: var(--muted);
}

.map-section {
  padding-bottom: 96px;
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  margin-top: 42px;
}

.map-visual {
  position: relative;
  min-height: 640px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 0;
  background:
    radial-gradient(circle at 50% 48%, rgba(216, 165, 49, 0.12), transparent 54%),
    var(--bg);
}

.map-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--bg) 0%, transparent 20%, transparent 80%, var(--bg) 100%),
    linear-gradient(180deg, var(--bg) 0%, transparent 16%, transparent 84%, var(--bg) 100%);
}

.map-visual img {
  width: min(100%, 620px);
  max-height: 680px;
  object-fit: contain;
  opacity: 0.98;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 58%, rgba(0, 0, 0, 0.9) 72%, transparent 92%);
  mask-image: radial-gradient(ellipse at center, #000 58%, rgba(0, 0, 0, 0.9) 72%, transparent 92%);
}

.country-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.country-list article {
  display: grid;
  grid-template-columns: 58px minmax(0, 0.35fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 24px;
  background: var(--surface);
}

.country-list span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--dark-ink);
  background: var(--gold);
  font-family: var(--display-font);
  font-weight: 700;
}

.country-list strong {
  font-family: var(--display-font);
  font-weight: 700;
}

.country-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 74px clamp(20px, 6vw, 72px);
  color: #fff;
  background: #16130d;
}

.contact-section p {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.74);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1.1fr) auto minmax(180px, 0.6fr);
  align-items: start;
  gap: clamp(24px, 5vw, 70px);
  padding: 54px clamp(20px, 6vw, 72px);
  color: var(--muted);
  background: var(--bg);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
}

.footer-logo {
  width: 220px;
  max-height: 54px;
  object-fit: contain;
}

.footer-main p {
  max-width: 460px;
  margin: 18px 0 0;
  line-height: 1.65;
}

.footer-links,
.footer-meta {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-meta {
  justify-items: end;
}

.footer-logo-dark {
  display: none;
}

@media (max-width: 960px) {
  .site-header {
    grid-template-columns: 1fr auto;
    height: auto;
    min-height: var(--header-height);
    padding-block: 12px;
  }

  .main-nav {
    display: none;
  }

  .language-switcher {
    justify-self: end;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 860px;
    padding-top: 128px;
  }

  .hero-panel {
    max-width: 440px;
  }

  .intro-grid,
  .section-heading,
  .operations,
  .contact-section,
  .media-section,
  .map-layout,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .asset-grid,
  .responsibility-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-meta {
    justify-items: start;
  }
}

@media (max-width: 680px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: start;
  }

  .language-switcher {
    width: 100%;
    justify-self: stretch;
  }

  .hero {
    min-height: 780px;
    padding: 154px 18px 44px;
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 3.75rem);
  }

  .stats-band,
  .asset-grid,
  .timeline,
  .responsibility-grid,
  .country-list article {
    grid-template-columns: 1fr;
  }

  .stats-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    width: min(100% - 32px, var(--max));
    padding: 66px 0;
  }

  .site-footer {
    align-items: flex-start;
  }

  .media-frame,
  .media-frame img {
    min-height: 300px;
  }

  .map-visual {
    min-height: 360px;
  }
}