/* ---- dark theme undertones (the light section is independent) ---- */
  [data-theme="ink"]{ --bg:#181820; --panel:#21212b; --panel-2:#26263180; --ink:#efe9dd; --ink-2:#b6afa0; --dim:#857e6f; --gold:#e6bd52; --gold-soft:#f0cf86; --line:rgba(239,233,221,.12); --line-strong:rgba(230,189,82,.5); }
  [data-theme="pine"]{ --bg:#11201a; --panel:#1a2c24; --panel-2:#1a2c2480; --ink:#ebe8d9; --ink-2:#a6b3a3; --dim:#7c8a7b; --gold:#e2bb4f; --gold-soft:#efce82; --line:rgba(235,232,217,.12); --line-strong:rgba(226,187,79,.5); }
  [data-theme="oxblood"]{ --bg:#24110f; --panel:#341a17; --panel-2:#341a1780; --ink:#efe2d6; --ink-2:#c0a89c; --dim:#967e74; --gold:#e6ba53; --gold-soft:#f0cf83; --line:rgba(239,226,214,.12); --line-strong:rgba(230,186,83,.5); }
  [data-theme="slate"]{ --bg:#131a22; --panel:#1c2630; --panel-2:#1c263080; --ink:#e9ebee; --ink-2:#a4aeb9; --dim:#7a838e; --gold:#deb751; --gold-soft:#eecd80; --line:rgba(233,235,238,.12); --line-strong:rgba(222,183,81,.5); }
  :root{ --sans:'Space Grotesk',system-ui,sans-serif; --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace; --r:16px; }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .45s ease,color .45s ease;}
  ::selection{background:rgba(230,189,82,.28);}
  .wrap{max-width:1080px;margin:0 auto;padding:0 32px;}
  .eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);}

  /* buttons */
  .btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:16px;padding:13px 22px;border-radius:11px;text-decoration:none;cursor:pointer;border:1px solid transparent;white-space:nowrap;transition:background .2s,border-color .2s,color .2s,transform .15s;}
  .btn:active{transform:translateY(1px);}
  .btn-gold{background:var(--gold);color:#1b1408;}
  .btn-gold:hover{background:var(--gold-soft);}
  .btn-ghost{border-color:var(--line-strong);color:var(--ink);}
  .btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft);}
  .btn-dark{background:#1c1407;color:#f0d488;}
  .btn-dark:hover{background:#2a1f0e;}

  /* nav */
  header.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(8px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--line);}
  .nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px;}
  .brand{display:flex;align-items:center;gap:13px;}
  .brand img{width:40px;height:40px;display:block;}
  .brand b{font-weight:700;font-size:20px;letter-spacing:-.01em;white-space:nowrap;}
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{color:var(--ink-2);text-decoration:none;font-size:15.5px;font-weight:500;transition:color .2s;}
  .nav-links a:hover{color:var(--gold-soft);}
  @media(max-width:720px){ .nav-links a:not(.btn){display:none;} }

  /* hero */
  .hero{position:relative;overflow:hidden;}
  .hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:radial-gradient(var(--line-strong) .8px,transparent 1.4px);background-size:30px 30px;mask-image:radial-gradient(120% 90% at 80% 0%,#000,transparent 75%);}
  .hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(40px,6vw,72px);}
  @media(max-width:840px){ .hero .wrap{grid-template-columns:1fr;gap:36px;} }
  .hero h1{font-weight:700;font-size:clamp(38px,5.6vw,62px);line-height:1.03;letter-spacing:-.025em;margin:20px 0 0;}
  .hero h1 .g{color:var(--gold);}
  .hero p.lede{font-size:clamp(18px,2vw,21px);color:var(--ink-2);max-width:46ch;margin:22px 0 0;line-height:1.55;}
  .hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .coin-stage{position:relative;display:flex;justify-content:center;align-items:center;min-height:300px;}
  .coin-stage::before{content:"";position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--gold) 35%,transparent),transparent 64%);filter:blur(8px);}
  .coin-stage img{position:relative;width:min(380px,76%);filter:drop-shadow(0 20px 50px rgba(0,0,0,.5));}

  /* in-focus accent card */
  .focus{margin-top:clamp(16px,3vw,28px);}
  .focus .card{background:var(--gold);color:#211803;border-radius:22px;padding:clamp(28px,4vw,42px);display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;}
  @media(max-width:760px){ .focus .card{grid-template-columns:1fr;gap:20px;} }
  .focus .eyebrow{color:#6e500b;}
  .focus h2{font-weight:700;font-size:clamp(26px,3.4vw,36px);letter-spacing:-.02em;line-height:1.08;margin:12px 0 0;}
  .focus p{font-size:18px;line-height:1.55;color:#3f2f08;margin:14px 0 0;max-width:42ch;}
  .focus .right{display:flex;flex-direction:column;align-items:flex-start;gap:16px;}
  .focus .meta{font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:#6e500b;}

  /* work sections */
  .work{padding-top:clamp(64px,8vw,104px);}
  .sec-head{display:grid;grid-template-columns:1fr auto;align-items:start;gap:8px 24px;margin-bottom:28px;}
  .sec-head h2{font-weight:700;font-size:clamp(28px,3.6vw,38px);letter-spacing:-.02em;margin:6px 0 0;}
  .sec-head .num{font-family:var(--mono);font-size:13px;color:var(--dim);padding-top:9px;white-space:nowrap;}
  .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;}
  .card-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px 26px;transition:border-color .25s,transform .25s,background .25s;display:flex;flex-direction:column;}
  .card-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
  .card-item .kind{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);}
  .card-item h3{font-weight:600;font-size:23px;letter-spacing:-.01em;margin:14px 0 0;line-height:1.18;}
  .card-item p{font-size:16.5px;line-height:1.55;color:var(--ink-2);margin:12px 0 0;}
  .section + .section{margin-top:clamp(52px,6vw,76px);}

  /* light contrast section */
  .light{--bg:#e9ebee;--panel:#f6f7f9;--ink:#1b1f25;--ink-2:#566069;--dim:#7e8893;--gold:#9a6e16;--gold-soft:#7f5a11;--line:rgba(27,31,37,.1);--line-strong:rgba(154,110,22,.42);
    background:var(--bg);color:var(--ink);margin-top:clamp(72px,9vw,120px);padding:clamp(56px,7vw,92px) 0;border-top:1px solid rgba(0,0,0,.06);}
  .light .eyebrow{color:var(--gold);}
  .light h2{font-weight:700;font-size:clamp(28px,3.6vw,40px);letter-spacing:-.02em;margin:8px 0 0;color:var(--ink);}
  .light .sub{color:var(--ink-2);font-size:18px;margin:14px 0 0;max-width:56ch;}
  .tgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:34px;}
  .tcard{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:20px 22px;}
  .tcard b{font-weight:600;font-size:18px;color:var(--ink);display:block;}
  .tcard span{color:var(--ink-2);font-size:15px;margin-top:5px;display:block;}

  /* cta */
  .cta{position:relative;overflow:hidden;padding:clamp(64px,8vw,108px) 0;text-align:center;}
  .cta::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;background-image:radial-gradient(var(--line-strong) .8px,transparent 1.4px);background-size:30px 30px;mask-image:radial-gradient(90% 120% at 50% 120%,#000,transparent 72%);}
  .cta .wrap{position:relative;}
  .cta h2{font-weight:700;font-size:clamp(30px,4.4vw,50px);letter-spacing:-.025em;line-height:1.08;margin:14px auto 0;max-width:20ch;text-wrap:balance;}
  .cta h2 .g{color:var(--gold);}
  .cta p{color:var(--ink-2);font-size:19px;margin:24px auto 0;max-width:50ch;}
  .cta .actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:34px;}

  /* footer */
  footer.site{border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 40px;}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
  @media(max-width:760px){ .foot-grid{grid-template-columns:1fr 1fr;gap:30px;} }
  @media(max-width:440px){ .foot-grid{grid-template-columns:1fr;} }
  .foot-brand .brand{margin-bottom:14px;}
  .foot-brand p{color:var(--dim);font-size:14.5px;max-width:30ch;margin:0;}
  .foot-col h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin:0 0 15px;}
  .foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px;}
  .foot-col a{color:var(--ink-2);text-decoration:none;font-size:15px;transition:color .2s;}
  .foot-col a:hover{color:var(--gold-soft);}
  .foot-col .ph{color:var(--dim);font-size:12px;opacity:.7;}
  .foot-base{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:clamp(40px,5vw,60px);padding-top:22px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--dim);}
  .themes{display:flex;align-items:center;gap:10px;}
  .themes .tlabel{letter-spacing:.16em;text-transform:uppercase;margin-right:2px;}
  .themes button{width:19px;height:19px;border-radius:50%;border:1px solid var(--line-strong);padding:0;cursor:pointer;background:var(--sw);transition:box-shadow .2s,transform .15s;}
  .themes button:hover{transform:scale(1.12);}
  .themes button[aria-pressed="true"]{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--gold);}