:root{
  --bg:#F1F0EA; --surface:#E7E6DD; --line:#CFCDC1; --ink:#1A1C17; --muted:#585B51; --field:#FFFFFF;
  --deep:#14271F; --deep-2:#1C342A; --on-deep:#EEF0E8; --on-deep-muted:#B9C2B6;
  --gold:#C99A2E; --gold-ink:#7E5A0E; --old:#8E877A; --laterite:#A2442A;
  --display:"Archivo", "Helvetica Neue", Arial, sans-serif;
  --body:"Source Serif 4", Georgia, "Times New Roman", serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#111511; --surface:#1A201B; --line:#2E372F; --ink:#ECEEE6; --muted:#AEB4A8; --field:#1E2520;
  --deep:#0C1813; --deep-2:#142219; --gold-ink:#E2B850; --old:#7D776B; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111511; --surface:#1A201B; --line:#2E372F; --ink:#ECEEE6; --muted:#AEB4A8; --field:#1E2520;
  --deep:#0C1813; --deep-2:#142219; --gold-ink:#E2B850; --old:#7D776B; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:400 18px/1.65 var(--body);margin:0}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(20px, env(safe-area-inset-left,0px));padding-right:max(20px, env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.05;text-wrap:balance;margin:0;letter-spacing:-.015em}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-stretch:112%}
h3{font-size:1.2rem}
p{margin:0}
.lede{font-size:1.12rem;color:var(--muted);max-width:60ch}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.num{font-family:var(--display);font-variant-numeric:tabular-nums}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--deep);color:var(--on-deep);border-bottom:1px solid rgba(201,154,46,.35)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px;flex-wrap:wrap}
.brand{text-decoration:none;display:flex;align-items:center;gap:10px;font:700 1.02rem/1 var(--display);font-stretch:118%;letter-spacing:.02em;white-space:nowrap}
.brand svg{width:26px;height:26px;flex:none}
nav.links{display:flex;gap:24px;font:500 .9rem var(--display)}
nav.links a,.inv-link{text-decoration:none;color:var(--on-deep-muted)}
nav.links a:hover,.inv-link:hover{color:var(--on-deep)}
.inv-link{font:600 .88rem var(--display);border:1px solid rgba(238,240,232,.3);padding:8px 14px;border-radius:3px}
@media (max-width:900px){nav.links{display:none}}

/* hero */
.hero{background:var(--deep);color:var(--on-deep)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-block:72px 92px}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.4rem);font-stretch:118%;font-weight:800}
.hero .lede{color:var(--on-deep-muted);margin-top:24px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;font:600 .95rem/1 var(--display);text-decoration:none;border:1px solid var(--gold);cursor:pointer;border-radius:3px}
.btn.solid{background:var(--gold);color:#1A1C17}
.btn.ghost{color:var(--on-deep);background:transparent}
.btn.ghost:hover{background:rgba(255,255,255,.06)}
.btn.line{color:var(--ink);background:transparent;border-color:var(--ink)}
@media (max-width:880px){.hero .wrap{grid-template-columns:1fr;padding-block:48px 64px;gap:40px}}

/* the signature: what reaches the miner */
.share{background:var(--deep-2);border:1px solid rgba(201,154,46,.3);padding:26px 26px 22px;display:grid;gap:22px;min-width:0}
.share h2{font-size:1.05rem;font-stretch:110%;color:var(--on-deep)}
.share .pair{display:grid;gap:8px}
.share .pair p{font-size:.9rem;color:var(--on-deep-muted)}
.bar{display:grid;grid-template-columns:7.5rem 1fr 3.4rem;align-items:center;gap:10px;font:500 .85rem var(--display)}
.bar span:first-child{color:var(--on-deep-muted)}
.bar i{display:block;height:14px;background:rgba(255,255,255,.08);position:relative}
.bar i::after{content:"";position:absolute;inset:0 auto 0 0;background:var(--c,var(--old));transform-origin:left;animation:grow .9s cubic-bezier(.2,.7,.2,1) both}
.bar.age i::after{--c:var(--gold)}
.bar b{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.bar.age b{color:var(--gold)}
.share small{font:400 .78rem var(--body);color:var(--on-deep-muted)}
@keyframes grow{from{transform:scaleX(0)}to{transform:none}}
@media (prefers-reduced-motion:reduce){.bar i::after{animation:none}}
@media (max-width:420px){.bar{grid-template-columns:6rem 1fr 3rem}}

/* bands */
.band{padding-block:88px}
.band.alt{background:var(--surface)}
.head{display:grid;gap:16px;margin-bottom:44px;max-width:760px}
section[id]{scroll-margin-top:72px}

/* problem facts */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;border-top:3px solid var(--ink);padding-top:28px}
.facts b{display:block;font:800 clamp(2.4rem,4.4vw,3.4rem)/1 var(--display);font-stretch:112%;font-variant-numeric:tabular-nums}
.facts h3{margin:14px 0 8px}
.facts p{color:var(--muted);font-size:1rem}
@media (max-width:820px){.facts{grid-template-columns:1fr;gap:28px}}

/* three parts */
.parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line)}
.parts article{padding:28px;display:grid;gap:12px;align-content:start;min-width:0}
.parts article+article{border-left:1px solid var(--line)}
.parts .earn{font:600 .85rem/1.4 var(--display);color:var(--gold-ink);border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.parts p{color:var(--muted);font-size:1rem}
@media (max-width:820px){.parts{grid-template-columns:1fr}.parts article+article{border-left:0;border-top:1px solid var(--line)}}

/* chain of custody */
.chain{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;counter-reset:s}
.chain li{position:relative;padding:22px 18px 0 0;border-top:3px solid var(--gold);min-width:0;counter-increment:s}
.chain li::before{content:counter(s);position:absolute;top:-15px;left:0;width:27px;height:27px;border-radius:50%;background:var(--gold);color:#1A1C17;font:700 .85rem/27px var(--display);text-align:center}
.chain h3{font-size:1.02rem;margin-bottom:8px}
.chain p{font-size:.93rem;color:var(--muted)}
@media (max-width:980px){.chain{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px}}
@media (max-width:520px){.chain{grid-template-columns:1fr}}
.rule{margin-top:44px;padding:22px 24px;border-left:4px solid var(--laterite);background:var(--field);max-width:820px;font-size:1rem}

/* village */
.village{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.ledger{border-top:3px solid var(--ink)}
.ledger div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:1rem}
.ledger div span:last-child{font:600 1rem var(--display);font-variant-numeric:tabular-nums;white-space:nowrap}
.ledger .tot{font-weight:600;border-bottom:3px solid var(--ink)}
.ledger small{display:block;margin-top:10px;color:var(--muted);font-size:.85rem}
.village ul{margin:20px 0 0;padding-left:1.1em;display:grid;gap:8px;color:var(--muted);font-size:1rem}
@media (max-width:860px){.village{grid-template-columns:1fr;gap:36px}}

/* why tanzania + roadmap */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:56px}
@media (max-width:820px){.grid2{grid-template-columns:1fr;gap:40px}}
.list{margin:0;padding-left:1.1em;display:grid;gap:10px;color:var(--muted);font-size:1rem}
.road{display:grid;gap:0;border-top:1px solid var(--line)}
.road div{display:grid;grid-template-columns:5.5rem 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:1rem}
.road b{font:700 .95rem var(--display);font-variant-numeric:tabular-nums}
.road span{color:var(--muted)}

/* principles */
.dark{background:var(--deep);color:var(--on-deep)}
.dark .lede,.dark p{color:var(--on-deep-muted)}
.never{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:8px}
.never div{border-top:1px solid rgba(201,154,46,.5);padding-top:14px;display:grid;gap:6px}
.never h3{font-size:1rem;color:var(--on-deep)}
.never p{font-size:.95rem}
@media (max-width:860px){.never{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.never{grid-template-columns:1fr}}

/* contact */
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
form{display:grid;gap:14px}
label{display:grid;gap:6px;font:600 .88rem var(--display)}
input,select,textarea{font:400 1rem/1.4 var(--body);padding:12px 14px;border:1px solid var(--line);background:var(--field);color:var(--ink);border-radius:3px;width:100%}
textarea{min-height:130px;resize:vertical}
.note{font-size:.9rem;color:var(--muted)}
.msg{padding:12px 14px;border-left:3px solid var(--gold);background:var(--surface);font-size:.95rem}
.copy{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px}
.copy code{font:600 1rem var(--display);user-select:all}
.copy button{font:600 .8rem var(--display);padding:6px 10px;border:1px solid var(--line);background:var(--field);color:var(--ink);cursor:pointer;border-radius:3px}
@media (max-width:820px){.contact .wrap{grid-template-columns:1fr;gap:36px}}

footer{background:var(--deep);color:var(--on-deep-muted);padding-block:36px;font:400 .85rem/1.6 var(--display)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* investor area */
.conf{font:700 .8rem var(--display);color:var(--laterite);letter-spacing:.04em;margin-bottom:14px}
.terms{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);margin-block:8px 44px}
.terms div{padding:20px;min-width:0}
.terms div+div{border-left:1px solid var(--line)}
.terms b{display:block;font:800 1.9rem/1 var(--display);font-stretch:110%;font-variant-numeric:tabular-nums}
.terms span{display:block;margin-top:8px;color:var(--muted);font-size:.92rem}
@media (max-width:820px){.terms{grid-template-columns:1fr 1fr}.terms div:nth-child(3){border-left:0}.terms div:nth-child(n+3){border-top:1px solid var(--line)}}
.tbl{overflow-x:auto;margin-block:16px 36px}
table{border-collapse:collapse;width:100%;min-width:560px;font:400 .95rem var(--display);font-variant-numeric:tabular-nums}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:right}
th:first-child,td:first-child{text-align:left}
thead th{background:var(--deep);color:var(--on-deep);font-weight:600}
figure{margin:0 0 32px}
figure img{width:100%;max-width:860px;height:auto;display:block;background:#fff;border:1px solid var(--line)}
figcaption{font-size:.85rem;color:var(--muted);margin-top:8px}
.docs{list-style:none;padding:0;margin:0;display:grid;gap:10px;max-width:760px}
.docs a{display:flex;justify-content:space-between;gap:12px;padding:15px 18px;border:1px solid var(--line);background:var(--field);text-decoration:none;font:600 .98rem var(--display)}
.docs a:hover{border-color:var(--gold)}
.docs a span:last-child{color:var(--muted);font-weight:500;font-size:.85rem}
.who{font:500 .85rem var(--display);color:var(--on-deep-muted);display:flex;gap:14px;align-items:center}
.who a{color:var(--on-deep)}
.na{padding-block:96px}
.na h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:16px}
.inv h1{font-size:clamp(2.2rem,5vw,3.4rem);font-stretch:112%}
.inv h2{font-size:1.8rem;margin:8px 0 12px}
.bar i.v70::after{width:70%}.bar i.v935::after{width:93.5%}.bar i.v40::after{width:40%}.bar i.v60::after{width:60%}
.head.flush{margin-bottom:0}
h2.mb{margin-bottom:22px}
.contact .head{align-content:start}
.after-docs{margin-top:20px}