/* Copilot Mining — "Ingot" theme. Tokens first; change colors and type here. */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root{
  --bg:#0c0b09;
  --surface:#12100c;
  --raised:#1a1712;
  --text:#f2efe8;
  --text-2:#cfc9bc;
  --text-3:#a8a296;
  --text-4:#8f897c;
  --gold:#c9a24a;
  --gold-hi:#e0c27a;
  --rule:rgba(242,239,232,.14);
  --rule-gold:rgba(201,162,74,.45);
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Hanken Grotesk',system-ui,-apple-system,sans-serif;
  --pad:64px;
  --max:1440px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--gold-hi);text-decoration:none}
a:hover{color:#f3dca0}
h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;line-height:1.02;letter-spacing:-.01em}
p{margin:0}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--bg);padding:10px 16px;z-index:100}
.skip:focus{left:16px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600}
.serif-it{font-style:italic;color:var(--gold-hi)}
.lead{font-size:19px;color:var(--text-2);max-width:620px}
:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;font-weight:600;font-size:15px;letter-spacing:.02em;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s}
.btn-gold{background:var(--gold);color:var(--bg)}
.btn-gold:hover{background:var(--gold-hi);color:var(--bg)}
.btn-line{border-color:rgba(242,239,232,.35);color:var(--text)}
.btn-line:hover{border-color:var(--gold-hi);color:var(--gold-hi)}
.btn-outline-gold{border-color:var(--gold);color:var(--gold-hi)}
.btn-outline-gold:hover{background:var(--gold);color:var(--bg)}
.link-arrow{font-weight:600;font-size:15px}

/* Header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(12,11,9,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.hdr .wrap{height:84px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand img{height:34px;width:auto}
.nav{display:flex;align-items:center;gap:36px}
.nav a{color:#d9d4c9;font-size:15px;font-weight:500;padding:8px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--gold-hi);border-bottom-color:var(--gold)}
.hdr .btn{min-height:46px;padding:0 20px;font-size:14px}
.menu-btn{display:none;width:48px;height:48px;background:none;border:1px solid rgba(242,239,232,.25);color:var(--text);cursor:pointer;align-items:center;justify-content:center}

/* Hero */
.hero{position:relative;min-height:calc(100vh - 84px);max-height:900px;display:flex;align-items:flex-end;overflow:hidden;background:var(--raised)}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,11,9,.25) 0%,rgba(12,11,9,.55) 45%,rgba(12,11,9,.95) 100%)}
.hero .wrap{position:relative;z-index:1;width:100%;padding-bottom:72px}
.hero h1{font-size:clamp(56px,8.4vw,128px);line-height:.95;letter-spacing:-.02em;max-width:1150px;margin-top:24px}
.hero-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-top:40px;flex-wrap:wrap}
.hero-foot .actions{display:flex;gap:14px;flex-wrap:wrap}

/* Page header (inner pages) */
.ph{padding:120px 0 72px;border-bottom:1px solid var(--rule)}
.ph h1{font-size:clamp(52px,6.6vw,96px);margin:20px 0 24px;max-width:1000px}
.ph.with-img{position:relative;border-bottom:0;padding:180px 0 80px;overflow:hidden;background:var(--raised)}
.ph.with-img>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph.with-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,11,9,.35),rgba(12,11,9,.94))}
.ph.with-img .wrap{position:relative;z-index:1}

/* Strip */
.strip{border-top:1px solid var(--rule-gold);border-bottom:1px solid var(--rule);background:var(--surface)}
.strip .wrap{min-height:64px;display:flex;align-items:center;gap:40px;flex-wrap:wrap;font-size:14px;color:var(--text-2);padding-top:14px;padding-bottom:14px}
.strip b{color:var(--text);font-weight:600}
.strip .tag{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600}

/* Sections */
.sec{padding:120px 0}
.sec.alt{background:var(--surface);border-top:1px solid rgba(242,239,232,.08);border-bottom:1px solid rgba(242,239,232,.08)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.sec-head h2,.h2{font-size:clamp(40px,4.6vw,64px)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:48px}
.c5{grid-column:span 5}.c6{grid-column:span 6}.c7{grid-column:span 7}.c-7-6{grid-column:7/span 6}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.stats>div{padding:28px 0 32px;border-top:1px solid var(--rule)}
.stats>div:nth-child(2n){padding-left:32px;border-left:1px solid var(--rule)}
.stats b{display:block;font-family:var(--serif);font-weight:400;font-size:84px;line-height:1;color:var(--gold-hi)}
.stats span{display:block;margin-top:10px;color:var(--text-2);font-size:16px}

/* Element tiles */
.table{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.tile{background:var(--bg);padding:24px;min-height:320px;display:flex;flex-direction:column;color:var(--text);transition:background .25s}
.tile:hover{background:var(--raised);color:var(--text)}
.tile .meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text-4)}
.tile .sym{font-family:var(--serif);font-size:110px;line-height:1;margin-top:36px}
.tile .name{margin-top:auto;font-size:17px;font-weight:600}
.tile .use{margin-top:4px;font-size:14px;color:var(--text-3)}
.cu{color:#e8a878}.co{color:#9fb4e0}.li{color:#d9d4c9}.mn{color:#d6a0b8}.ta{color:var(--gold-hi)}

/* Process */
.stages{list-style:none;margin:0;padding:0;position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
.stages::before{content:"";position:absolute;left:0;right:0;top:11px;height:1px;background:var(--rule-gold)}
.stages li{position:relative}
.stages .dot{width:22px;height:22px;border-radius:50%;border:1px solid var(--gold);background:var(--bg)}
.stages li:first-child .dot{background:var(--gold)}
.stages .n{margin-top:28px;font-size:13px;letter-spacing:.12em;color:var(--text-4)}
.stages h3{font-size:34px;margin-top:8px}
.stages p{margin-top:10px;color:var(--text-3);font-size:15px;line-height:1.55}

/* Photo cards */
.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pcard{position:relative;min-height:460px;display:flex;flex-direction:column;justify-content:flex-end;padding:40px;overflow:hidden;background:var(--raised);color:var(--text)}
.pcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.pcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,11,9,0) 25%,rgba(12,11,9,.92) 100%)}
.pcard:hover img{transform:scale(1.03)}
.pcard>div{position:relative;z-index:1}
.pcard h3{font-size:44px;margin-top:10px}
.pcard p{margin-top:6px;color:var(--text-2)}
.pcard.sm{min-height:380px;padding:32px}.pcard.sm h3{font-size:34px}

/* Mineral detail rows */
.mrow{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding:56px 0;border-top:1px solid var(--rule);align-items:center}
.mrow .img{grid-column:span 5;aspect-ratio:4/3;overflow:hidden;background:var(--raised)}
.mrow .img img{width:100%;height:100%;object-fit:cover}
.mrow .body{grid-column:7/span 6}
.mrow .sym{font-family:var(--serif);font-size:72px;line-height:1}
.mrow h2{font-size:48px;margin-top:8px}
.mrow p{margin-top:14px;color:var(--text-2)}
.mrow .facts{display:flex;gap:40px;margin-top:22px;font-size:14px;color:var(--text-3)}
.mrow .facts b{display:block;color:var(--text);font-weight:600;font-size:15px}
.mrow .btn{margin-top:28px}

/* Numbered list */
.numlist{list-style:none;margin:0;padding:0}
.numlist li{display:grid;grid-template-columns:80px minmax(0,1fr);gap:24px;padding:26px 0;border-top:1px solid var(--rule);font-size:19px;color:var(--text-2)}
.numlist li span{font-family:var(--serif);font-size:32px;color:var(--gold-hi);line-height:1}

/* Pillars */
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pillar{border-top:1px solid var(--gold);padding-top:28px}
.pillar h3{font-size:38px}
.pillar ul{margin:18px 0 0;padding:0;list-style:none}
.pillar li{padding:12px 0;border-bottom:1px solid var(--rule);color:var(--text-2);font-size:16px;line-height:1.5}
.frameworks{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.frameworks div{background:var(--bg);padding:24px;font-size:15px;color:var(--text-2);min-height:150px}
.frameworks b{display:block;font-family:var(--serif);font-weight:400;font-size:24px;color:var(--text);line-height:1.1;margin-bottom:10px}

/* Team */
.team{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.person .ph-img{aspect-ratio:4/5;background:var(--raised);border:1px solid var(--rule);display:flex;align-items:center;justify-content:center;color:var(--text-4);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.person h3{font-size:26px;margin-top:18px}
.person p{color:var(--text-3);font-size:15px;margin-top:4px}

/* News */
.post{display:grid;grid-template-columns:200px minmax(0,1fr) 160px;gap:24px;padding:36px 0;border-top:1px solid var(--rule);align-items:baseline}
.post .when{font-size:14px;color:var(--text-4)}
.post h3{font-size:34px}
.post p{margin-top:8px;color:var(--text-3)}

/* CTA box */
.cta{border:1px solid var(--rule-gold);padding:72px;display:flex;justify-content:space-between;align-items:center;gap:48px;flex-wrap:wrap}
.cta h2{font-size:clamp(36px,4vw,56px)}
.cta p{margin-top:14px;color:var(--text-2);font-size:18px}

/* Forms */
.form{border:1px solid var(--rule);padding:40px;display:grid;gap:20px;background:var(--surface)}
.field label{display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{width:100%;min-height:52px;padding:14px 16px;background:var(--bg);border:1px solid rgba(242,239,232,.25);color:var(--text);font:inherit;font-size:16px;border-radius:0}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold)}
.form .btn{justify-self:start;border:0;cursor:pointer;font-family:inherit}
.offices{display:grid;gap:32px}
.offices h3{font-size:30px}
.offices p{color:var(--text-2);margin-top:6px}

/* Footer */
.ftr{border-top:1px solid var(--rule);padding:64px 0 40px;color:var(--text-3);font-size:15px;line-height:1.7}
.ftr .top{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
.ftr img{height:30px;width:auto}
.ftr h4{margin:0 0 8px;color:var(--text);font-size:15px;font-weight:600}
.ftr nav{display:flex;flex-direction:column}
.ftr nav a{color:var(--text-3)}.ftr nav a:hover{color:var(--gold-hi)}
.ftr .bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;font-size:13px;color:var(--text-4);flex-wrap:wrap;gap:12px}

/* Responsive */
@media (max-width:1100px){
  :root{--pad:40px}
  .nav{gap:24px}
  .table{grid-template-columns:repeat(3,minmax(0,1fr))}
  .frameworks{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ftr .top{grid-template-columns:repeat(3,minmax(0,1fr))}
  .team{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:900px){
  :root{--pad:20px}
  body{font-size:16px}
  .menu-btn{display:inline-flex}
  .hdr .wrap{height:68px}
  .brand img{height:28px}
  .hdr .btn{display:none}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--rule);padding:8px var(--pad) 24px}
  .nav.open{display:flex}
  .nav a{padding:16px 0;border-bottom:1px solid var(--rule);font-size:18px}
  .nav .btn{display:flex;margin-top:16px}
  .strip .wrap{gap:8px 20px;font-size:13px}
  .strip .wrap>span:last-child{margin-left:0!important;width:100%}
  .hero{min-height:620px}
  .hero .wrap{padding-bottom:40px}
  .hero-foot .actions,.hero-foot .actions .btn{width:100%}
  .sec{padding:72px 0}
  .ph{padding:72px 0 48px}.ph.with-img{padding:120px 0 48px}
  .grid-12{display:block}.grid-12>*+*{margin-top:40px}
  .stats b{font-size:56px}
  .stats>div:nth-child(2n){padding-left:18px}
  .table{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tile{min-height:170px;padding:16px}.tile .sym{font-size:56px;margin-top:8px}.tile .use{display:none}.tile .name{font-size:15px}
  .stages{grid-template-columns:1fr;gap:0}
  .stages::before{left:11px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .stages li{padding:0 0 32px 48px}
  .stages .dot{position:absolute;left:0;top:0}
  .stages .n{margin-top:0}
  .stages h3{font-size:28px}
  .cards-2,.cards-3,.pillars{grid-template-columns:1fr}
  .team{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}.person h3{font-size:22px}
  .pcard{min-height:340px;padding:24px}.pcard h3{font-size:32px}
  .mrow{display:block;padding:40px 0}.mrow .body{margin-top:24px}.mrow h2{font-size:36px}
  .numlist li{grid-template-columns:48px minmax(0,1fr);font-size:17px}
  .frameworks{grid-template-columns:1fr}
  .post{grid-template-columns:1fr;gap:8px}
  .cta{padding:32px 24px}.cta .btn{width:100%}
  .form{padding:24px}
  .ftr .top{grid-template-columns:1fr 1fr}
}

/* Keep anchored sections clear of the sticky header */
[id]{scroll-margin-top:96px}

/* Articles */
.art-title{font-size:clamp(40px,5.2vw,80px)!important;max-width:1100px}
.byline{margin-top:20px;font-size:15px;font-weight:600;color:var(--gold-hi)}
.prose{max-width:720px;margin:0 auto}
.prose p{font-size:19px;line-height:1.75;color:var(--text-2);margin:0 0 26px}
.prose p:first-child::first-letter{font-family:var(--serif);float:left;font-size:84px;line-height:.8;padding:8px 12px 0 0;color:var(--gold-hi)}
.prose .bio{margin-top:48px;padding-top:28px;border-top:1px solid var(--rule);font-size:16px;font-style:italic;color:var(--text-3)}
.post h3 a:hover{color:var(--gold-hi)!important}
.slides{max-width:720px;margin:0 auto 48px;display:grid;gap:24px}
.slide{margin:0;border:1px solid var(--rule)}
.slide img{width:100%;height:auto}
@media (max-width:900px){.prose p{font-size:17px}.prose p:first-child::first-letter{font-size:64px}}
.prose-h{font-size:36px;margin:48px 0 18px;color:var(--text)}
.prose-list{margin:0 0 26px;padding-left:22px;color:var(--text-2);font-size:19px;line-height:1.7}
.prose-list li{margin-bottom:14px}.prose-list b{color:var(--text)}
.prose .btn{margin-top:8px}
@media (max-width:900px){.prose-list{font-size:17px}.prose-h{font-size:28px}}