:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --page: #121b1a;
  --page-soft: #18211f;
  --panel: #1b2622;
  --panel-light: #26332c;
  --text: #f2efe3;
  --muted: #b8b9ad;
  --faint: #8d9588;
  --line: rgba(207, 200, 171, .14);
  --gold: #d9bb47;
  --gold-strong: #c99a1e;
  --forest: #4f6143;
  --forest-light: #75845e;
  background: var(--page);
  color: var(--text);
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; min-width: 320px; background: var(--page); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { color: #171b13; background: var(--gold); }
.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; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20; padding: 10px 14px; transform: translateY(-150%); border-radius: 6px; background: var(--gold); color: #171b13; font-weight: 700; }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; height: 76px; padding: 0 clamp(22px, 6vw, 92px); border-bottom: 1px solid rgba(207,200,171,.12); background: rgba(18,27,26,.94); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-size: .79rem; font-weight: 760; letter-spacing: .18em; }
.brand-logo { display: block; width: 64px; height: auto; border-radius: 2px; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 42px); color: var(--muted); font-size: .83rem; }
.site-nav a { transition: color .18s ease; }
.site-nav a:hover,.site-nav a:focus-visible { color: var(--text); }
.site-nav .nav-contact { display: inline-flex; align-items: center; gap: 16px; padding: 10px 14px; border: 1px solid rgba(217,187,71,.35); border-radius: 5px; color: var(--gold); }
.nav-contact span { font-size: 1rem; }
.menu-toggle { display: none; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0,.92fr) minmax(420px,1.08fr); align-items: center; gap: clamp(36px,6vw,90px); min-height: 660px; padding: 64px clamp(22px,6vw,92px) 118px; overflow: hidden; background: radial-gradient(ellipse at 79% 49%, rgba(79,97,67,.2), transparent 38%), linear-gradient(180deg,#1a2420,#121b1a 85%); }
.hero::before { position: absolute; inset: 0; pointer-events: none; content: ""; opacity: .16; background-image: linear-gradient(rgba(193,196,171,.08) 1px, transparent 1px), linear-gradient(90deg,rgba(193,196,171,.08) 1px,transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg,transparent 5%,#000 85%); }
.hero-copy { position: relative; z-index: 1; max-width: 610px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 23px; color: var(--gold); font-size: .68rem; font-weight: 700; letter-spacing: .17em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 16px rgba(217,187,71,.55); }
h1,h2,h3,p { margin-top: 0; }
.hero h1 { margin: 0; font-size: clamp(3.2rem,6.1vw,6.1rem); line-height: .99; letter-spacing: -.075em; font-weight: 590; }
.hero h1 span,.section-heading h2 span,.contact-inner h2 span { color: var(--gold); }
.hero-intro { max-width: 490px; margin: 28px 0 0; color: #c0c2b5; font-size: clamp(1rem,1.25vw,1.12rem); line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 19px; min-height: 46px; padding: 0 17px; border: 1px solid transparent; border-radius: 5px; font-size: .82rem; font-weight: 650; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--gold-strong); background: var(--gold-strong); color: #201b0b; }
.button-primary:hover { border-color: #e5c751; background: #e5c751; }
.button-secondary { border-color: var(--line); background: rgba(16,23,32,.65); color: var(--text); }
.button-secondary:hover { border-color: rgba(217,187,71,.5); background: var(--panel-light); }
.button span { font-size: 1rem; }
.hero-note { margin: 18px 0 0; color: var(--faint); font-size: .75rem; }

.hero-visual { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; min-height: 400px; }
.hero-visual-card { position: absolute; display: block; margin: 0; overflow: hidden; border: 1px solid rgba(146,151,128,.3); border-radius: 10px; background: #fff; box-shadow: 0 28px 90px rgba(0,0,0,.38); }
.hero-visual-card img { display: block; width: 100%; height: auto; }
.hero-visual-card--prospector { top: 24px; right: 1%; width: min(96%,560px); transform: rotate(-1.3deg); }
.hero-visual-card--geochem { z-index: 2; top: 48%; left: 0; width: min(66%,360px); transform: rotate(1.7deg); }
.hero-bottom { position: absolute; right: clamp(22px,6vw,92px); bottom: 32px; left: clamp(22px,6vw,92px); display: flex; align-items: center; gap: 18px; color: #899185; font-size: .62rem; font-weight: 650; letter-spacing: .14em; }
.hero-bottom-line { flex: 1; height: 1px; background: var(--line); }
.hero-bottom a { color: #c1c1b4; }
.hero-bottom a span { padding-left: 6px; color: var(--gold); }

.intro-band { display: flex; align-items: center; justify-content: space-around; gap: 16px; min-height: 76px; padding: 15px clamp(20px,5vw,70px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--page-soft); color: #b4b8aa; font-size: .62rem; font-weight: 680; letter-spacing: .12em; }
.intro-band i { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); opacity: .85; }
.section-wrap { width: min(1240px,calc(100% - 48px)); margin: 0 auto; }
.platform-section { padding-top: 118px; padding-bottom: 126px; }
.section-heading { max-width: 630px; margin-bottom: 48px; }
.section-heading .eyebrow,.visualization-heading .eyebrow,.about-copy .eyebrow { margin-bottom: 16px; }
.section-heading h2,.visualization-heading h2,.about-copy h2,.contact-inner h2 { margin: 0; font-size: clamp(2.4rem,4.2vw,4.25rem); line-height: 1.06; letter-spacing: -.06em; font-weight: 560; }
.section-heading > p:last-child { max-width: 470px; margin: 21px 0 0; color: var(--muted); font-size: .96rem; line-height: 1.7; }
.capability-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.capability-card { position: relative; display: flex; flex-direction: column; min-height: 330px; padding: 24px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(150deg,rgba(31,43,36,.94),rgba(19,29,25,.96)); }
.capability-card::after { position: absolute; right: -90px; bottom: -130px; width: 230px; height: 230px; border: 1px solid rgba(217,187,71,.09); border-radius: 50%; content: ""; box-shadow: 0 0 0 24px rgba(217,187,71,.025),0 0 0 48px rgba(217,187,71,.02); }
.capability-number { color: #91978a; font-size: .62rem; font-weight: 700; letter-spacing: .13em; }
.capability-icon { display: grid; place-items: center; width: 47px; height: 47px; margin: 32px 0 21px; border: 1px solid rgba(217,187,71,.24); border-radius: 10px; background: rgba(217,187,71,.07); color: var(--gold); }
.capability-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.capability-icon--analytics { color: var(--forest-light); border-color: rgba(117,132,94,.3); background: rgba(117,132,94,.1); }
.capability-icon--prospector { color: var(--gold); border-color: rgba(217,187,71,.25); background: rgba(217,187,71,.08); }
.capability-card h3 { max-width: 300px; margin: 0 0 12px; font-size: 1.25rem; line-height: 1.3; letter-spacing: -.025em; font-weight: 590; }
.capability-card p { margin: 0 0 24px; color: var(--muted); font-size: .84rem; line-height: 1.65; }
.analytics-preview { margin: 0 0 24px; overflow: hidden; border: 1px solid rgba(117,132,94,.3); border-radius: 6px; background: #f8fafb; }
.analytics-preview img { display: block; width: 100%; height: auto; }
.analytics-preview figcaption { padding: 8px 10px; border-top: 1px solid rgba(117,132,94,.3); background: #18211f; color: #c0bead; font-size: .62rem; }
.text-link { display: inline-flex; align-items: center; gap: 10px; width: fit-content; margin-top: auto; color: var(--gold); font-size: .78rem; font-weight: 650; }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translate(3px,-2px); }

.workflow-detail-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 16px; }
.workflow-detail { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(150deg,rgba(31,43,36,.94),rgba(19,29,25,.96)); }
.workflow-detail .eyebrow { margin-bottom: 14px; font-size: .6rem; }
.workflow-detail h3 { max-width: 470px; margin: 0 0 14px; font-size: clamp(1.45rem,2.3vw,2rem); line-height: 1.16; letter-spacing: -.04em; font-weight: 580; }
.workflow-detail > p { margin: 0 0 20px; color: var(--muted); font-size: .84rem; line-height: 1.7; }
.workflow-detail-list { display: grid; gap: 0; margin: 0 0 22px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.workflow-detail-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.workflow-detail-list strong { display: block; color: var(--text); font-size: .78rem; }
.workflow-detail-list p { margin: 4px 0 0; color: var(--muted); font-size: .76rem; line-height: 1.55; }

.visualization-section { padding: 108px 0 104px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg,#18211f,#121b1a); }
.visualization-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 39px; }
.visualization-heading h2 { font-size: clamp(2.3rem,4vw,3.8rem); }
.visualization-heading > p { max-width: 330px; margin: 0 0 5px; color: var(--muted); font-size: .9rem; line-height: 1.7; }
.viz-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(340px,.7fr); gap: 15px; }
.viz-card { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #151f1c; }
.viz-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 74px; padding: 15px 19px; border-bottom: 1px solid var(--line); }
.viz-index { display: block; margin-bottom: 5px; color: var(--gold); font-size: .56rem; font-weight: 700; letter-spacing: .13em; }
.viz-card-header h3 { margin: 0; font-size: .98rem; font-weight: 570; }
.viz-status { display: inline-flex; align-items: center; gap: 7px; color: #b2b6a8; font-size: .55rem; font-weight: 700; letter-spacing: .1em; white-space: nowrap; }
.viz-image { display: grid; place-items: center; min-height: 290px; background: #f8fafb; }
.viz-image--3d img,.viz-image--stereo img { display: block; width: 100%; height: auto; max-height: 390px; object-fit: contain; }
.viz-card-footer { display: flex; flex-wrap: wrap; gap: 18px; min-height: 43px; align-items: center; padding: 10px 17px; border-top: 1px solid var(--line); color: #a0a496; font-size: .63rem; }
.viz-card-footer span::before { display: inline-block; width: 5px; height: 5px; margin: 0 7px 1px 0; border-radius: 50%; background: var(--gold); content: ""; }
.visualization-disclaimer { margin: 15px 0 0; color: #969b8d; font-size: .66rem; }
.viz-video-card { margin-top: 16px; }
.viz-video-description { padding: 17px 19px; }
.viz-video-description p { max-width: 760px; margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.65; }
.viz-video { border-top: 1px solid var(--line); background: #101816; }
.viz-video video { display: block; width: 100%; height: auto; aspect-ratio: 1280 / 644; background: #101816; }

.about-section { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); align-items: center; gap: 8vw; padding-top: 130px; padding-bottom: 132px; }
.about-mark { position: relative; min-height: 300px; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: radial-gradient(ellipse at 50% 70%,rgba(79,97,67,.22),transparent 65%),#18211f; }
.about-mark svg { width: min(100%,420px); }
.about-mark-caption { position: absolute; right: 18px; bottom: 16px; color: #9da18f; font-size: .58rem; letter-spacing: .13em; }
.about-copy h2 { font-size: clamp(2.1rem,3.4vw,3.35rem); }
.about-copy > p:not(.eyebrow) { max-width: 530px; margin: 22px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.76; }
.about-copy .text-link { margin-top: 27px; }

.contact-section { position: relative; overflow: hidden; padding: 84px 24px 92px; border-top: 1px solid var(--line); background: #18211f; text-align: center; }
.contact-inner { position: relative; z-index: 1; }
.contact-inner .eyebrow { justify-content: center; }
.contact-inner h2 { font-size: clamp(2.7rem,5vw,4.7rem); }
.contact-inner > p:not(.eyebrow) { margin: 19px 0 25px; color: var(--muted); font-size: .88rem; }
.contact-glow { position: absolute; top: -220px; left: 50%; width: 620px; height: 440px; transform: translateX(-50%); border-radius: 50%; background: rgba(217,187,71,.1); filter: blur(90px); pointer-events: none; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 88px; padding: 18px clamp(22px,6vw,92px); color: #a0a496; font-size: .72rem; }
.site-footer p { margin: 0 auto 0 13px; }
.site-footer > a:not(.brand) { color: #d0cebf; }
.site-footer > a:not(.brand) span { padding-left: 4px; color: var(--gold); }
.brand--footer { font-size: .68rem; }
.brand--footer .brand-logo { width: 52px; }
.footer-copy { color: #858d81; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr 1fr; gap: 20px; min-height: 610px; }
  .hero h1 { font-size: clamp(3rem,7vw,5rem); }
  .hero-visual { min-height: 350px; }
  .capability-card { padding: 20px; }
  .viz-grid { grid-template-columns: minmax(0,1.15fr) minmax(300px,.85fr); }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 68px; }
  .site-header { height: 66px; padding: 0 20px; }
  .menu-toggle { display: flex; flex-direction: column; gap: 5px; padding: 10px; border: 1px solid var(--line); border-radius: 5px; background: transparent; }
  .menu-toggle span:not(.sr-only) { width: 18px; height: 1px; background: var(--text); }
  .site-nav { position: absolute; top: 65px; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 8px 20px 16px; border-bottom: 1px solid var(--line); background: var(--page-soft); }
  .site-nav.is-open { display: flex; }
  .site-nav > a { padding: 13px 4px; }
  .site-nav .nav-contact { justify-content: space-between; margin-top: 8px; padding: 12px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; gap: 22px; min-height: auto; padding: 72px 22px 100px; }
  .hero h1 { font-size: clamp(3.1rem,14vw,5.1rem); }
  .hero-intro { margin-top: 20px; font-size: .98rem; }
  .hero-visual { min-height: 320px; margin: 0 -7px; }
  .hero-visual-card--geochem { top: 42%; }
  .hero-bottom { right: 22px; bottom: 23px; left: 22px; font-size: .53rem; }
  .intro-band { justify-content: flex-start; overflow-x: auto; min-height: 62px; white-space: nowrap; font-size: .56rem; }
  .section-wrap { width: min(100% - 40px,560px); }
  .platform-section { padding-top: 78px; padding-bottom: 82px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2,.visualization-heading h2 { font-size: 2.8rem; }
  .capability-grid { grid-template-columns: 1fr; }
  .workflow-detail-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 280px; }
  .workflow-detail { padding: 22px; }
  .capability-icon { margin-top: 25px; }
  .visualization-section { padding: 77px 0 70px; }
  .visualization-heading { align-items: flex-start; flex-direction: column; gap: 17px; margin-bottom: 26px; }
  .visualization-heading > p { max-width: 470px; }
  .viz-video-description { padding: 15px 17px; }
  .viz-grid { grid-template-columns: 1fr; }
  .viz-image { min-height: 230px; }
  .about-section { grid-template-columns: 1fr; gap: 31px; padding-top: 78px; padding-bottom: 82px; }
  .about-mark { min-height: 245px; }
  .about-copy h2 { font-size: 2.5rem; }
  .contact-section { padding: 70px 20px 76px; }
  .contact-inner h2 { font-size: 3.2rem; }
  .site-footer { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 20px; }
  .site-footer p { grid-column: 1; grid-row: 2; margin: 0; }
  .site-footer > a:not(.brand) { grid-column: 2; grid-row: 1; }
  .footer-copy { grid-column: 2; grid-row: 2; }
}

@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}