:root { color-scheme: dark; --background: #050809; --surface: #0d1010; --gold: #eac46e; --line: #816129; --text: #eee9df; --muted: #b9b7af; --serif: Georgia, 'Times New Roman', serif; }
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: Arial, Helvetica, sans-serif; line-height: 1.7; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { color: var(--gold); }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; text-wrap: balance; }
h2 { font-size: clamp(2rem, 3.5vw, 3.4rem); line-height: 1.17; margin-bottom: 24px; }
h3 { font-size: 1.65rem; line-height: 1.3; margin-bottom: 16px; }
p { margin-bottom: 20px; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 10; background: var(--gold); color: var(--background); padding: 12px 20px; }
.skip-link:focus { top: 12px; }
.site-header { max-width: 1480px; margin: auto; padding: 24px 4%; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--gold); font-family: var(--serif); font-size: 1.3rem; text-decoration: none; line-height: 1.25; }
.brand img { flex-shrink: 0; }
.brand small { display: block; margin-top: 7px; color: var(--muted); font: .68rem Arial, Helvetica, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
nav, .header-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
nav a { font-size: .85rem; text-decoration: none; padding: 8px 0; }
.languages { gap: 10px; }
.languages [aria-current] { color: var(--gold); text-decoration: underline; }
.languages span { color: var(--line); }
main, .site-footer { width: min(1240px, 90%); margin: auto; }
.hero { display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: 8%; padding: 88px 0 70px; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .18em; font-size: .7rem; font-weight: 600; }
h1 { color: var(--gold); font-size: clamp(2.4rem, 4.6vw, 4.5rem); line-height: 1.07; margin: 24px 0 32px; }
h1 span { display: block; margin-top: 18px; color: var(--muted); font: 400 1rem/1.6 Arial, Helvetica, sans-serif; max-width: 40ch; }
.lead { font: clamp(1.65rem, 2.8vw, 2.5rem)/1.3 var(--serif); }
.lead em { color: var(--gold); }
.hero-copy > p:not(.eyebrow):not(.lead) { max-width: 60ch; color: var(--muted); }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; min-height: 48px; padding: 12px 24px; border: 1px solid var(--gold); background: var(--gold); color: var(--background); font-size: .88rem; font-weight: 600; text-decoration: none; line-height: 1.5; }
.button:hover { background: #f4d794; color: var(--background); }
.button.compact { background: transparent; color: var(--gold); padding: 10px 16px; }
.button.compact:hover { background: var(--gold); color: var(--background); }
.text-link { font-size: .88rem; }
.lab-mark { position: relative; text-align: center; padding: 42px 24px 30px; border: 1px solid var(--line); background: radial-gradient(ellipse at center, #302617 0%, #101211 48%, #050809 80%); }
.lab-mark::before { content: ''; position: absolute; inset: 10px; border: 1px solid #81612955; pointer-events: none; }
.lab-mark img { width: min(256px, 80%); margin: 30px auto; }
.lab-mark .mark-title { color: var(--gold); font: 3.4rem/1 var(--serif); letter-spacing: .13em; margin-bottom: 20px; }
.lab-mark > p:not(.eyebrow):not(.mark-title) { color: var(--muted); font-family: var(--serif); font-size: 1.15rem; }
.mark-foot { display: block; margin-top: 30px; color: var(--gold); text-transform: uppercase; font-size: .62rem; letter-spacing: .23em; }
.principles { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--gold); font-size: .73rem; letter-spacing: .06em; }
.section { padding: 80px 0; border-bottom: 1px solid #81612977; }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading > p:last-child, .card p, .steps p, .token-note p:not(.eyebrow), .contact > p:not(.eyebrow) { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card { min-width: 0; overflow-wrap: anywhere; padding: 32px 28px; border: 1px solid #81612988; background: var(--surface); }
.card-index { display: block; margin-bottom: 36px; color: var(--gold); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; }
.card p:last-child { margin-bottom: 0; }
.method { display: grid; grid-template-columns: 1fr 1.1fr; gap: 8%; }
.steps { padding: 0; margin: 0; list-style: none; counter-reset: stage; }
.steps li { position: relative; counter-increment: stage; padding: 0 0 25px 62px; margin-bottom: 25px; border-bottom: 1px solid #81612955; }
.steps li::before { content: '0' counter(stage); position: absolute; left: 0; top: 0; color: var(--gold); font: 1.7rem var(--serif); }
.steps li:last-child { margin-bottom: 0; padding-bottom: 0; border: 0; }
.steps h3 { margin-bottom: 10px; }
.steps p { margin-bottom: 0; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tag { display: inline-block; color: var(--gold); border-bottom: 1px solid var(--line); padding-bottom: 6px; margin-bottom: 30px; text-transform: uppercase; letter-spacing: .08em; font-size: .65rem; }
.exploration h3 { font-size: 2.6rem; color: var(--gold); }
.token-note { display: grid; grid-template-columns: 1fr 2fr; gap: 8%; }
.token-note p:last-child { margin-bottom: 0; }
.contact { text-align: center; padding: 90px 20px; background: radial-gradient(ellipse at top, #251e12, transparent 65%); }
.contact > p:not(.eyebrow) { max-width: 680px; margin: 0 auto 30px; }
.email { display: block; width: fit-content; max-width: 100%; margin: 22px auto 0; font-size: .85rem; overflow-wrap: anywhere; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 34px 0; font-size: .78rem; }
.site-footer p { color: var(--muted); margin: 0; }
@media (max-width: 1100px) {
  .site-header > nav { order: 3; width: 100%; justify-content: center; border-top: 1px solid #81612955; padding-top: 10px; }
  .hero { gap: 5%; }
  .card { padding: 26px 22px; }
}
@media (max-width: 760px) {
  .site-header { padding: 20px 5%; gap: 18px; }
  .header-actions { gap: 16px; }
  .header-actions .compact { display: none; }
  .site-header > nav { justify-content: flex-start; gap: 18px; }
  .hero { grid-template-columns: 1fr; padding: 48px 0; gap: 42px; }
  .lab-mark { max-width: 460px; width: 100%; justify-self: center; }
  .principles { display: grid; grid-template-columns: 1fr 1fr; font-size: .68rem; }
  .cards, .two-columns, .method, .token-note { grid-template-columns: minmax(0, 1fr); }
  .method, .token-note { gap: 20px; }
  .section { padding: 52px 0; }
  .contact { padding: 52px 16px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 16px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}