/* Soltrex shared theme: Studio fonts + Garden palette.
   The audit tool carries the same tokens. tests/test_site.py fails if the two drift apart.
   Every text and background pairing here was checked to WCAG AA or better. */
:root{
  color-scheme: light;
  --bg:#F7F6EF; --surface:#FFFFFF; --ink:#1D2920; --muted:#52625A; --line:#E0E2D2;
  --accent:#2A5B3A; --on-accent:#FFFFFF; --good:#3A7A47; --risk:#B4503F;
  --c1:#D5DBF7; --c2:#D0E4D0; --c3:#FCDAB8; --c4:#F6EDB8; --c5:#F7D4D4;
  --t1:#EAEDFB; --t2:#E8F2E8; --t3:#FEECDC; --t4:#FAF6DC; --t5:#FBEAEA;
  --font-head:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --font-body:"Instrument Sans","Segoe UI",system-ui,sans-serif;
  --font-mono:"Fragment Mono",ui-monospace,Consolas,monospace;
  --max:1080px;
}
*{box-sizing:border-box;}
html{background:var(--bg); scroll-behavior:smooth;}
body{margin:0; color:var(--ink); font-family:var(--font-body); line-height:1.5; -webkit-font-smoothing:antialiased;}
[hidden]{display:none !important;}
@media (forced-colors: active){ html{forced-color-adjust:none;} body{background:#ffffff; color:#000000;} }
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }
h1,h2,h3,h4,p,ul,ol{margin:0;}
h1,h2,h3,h4{font-family:var(--font-head); letter-spacing:-0.02em;}
a{color:inherit; text-decoration:none;}
button,input,textarea{font:inherit; color:inherit;}
button{cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent); outline-offset:2px;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
.mono{font-family:var(--font-mono);}
.skip{position:absolute; left:-9999px; top:8px; background:var(--accent); color:var(--on-accent); padding:8px 14px; border-radius:8px; z-index:100;}
.skip:focus{left:8px;}
.eyebrow{font-family:var(--font-mono); font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color:var(--muted); display:block;}

/* ---------- header ---------- */
header.site{position:sticky; top:0; z-index:50; background:rgba(247,246,239,0.92); backdrop-filter:blur(8px); border-bottom:1px solid var(--line);}
header.site .wrap{display:flex; align-items:center; justify-content:space-between; height:72px;}
.logo{display:flex; align-items:center; gap:10px;}
.logo-mark{width:22px; height:22px; display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr; gap:3px;}
.logo-mark span{background:var(--accent); border-radius:2px;}
.logo-mark span:nth-child(4){background:var(--c3); box-shadow:inset 0 0 0 1.5px var(--risk);}
.wordmark{font-family:var(--font-mono); font-size:15px; letter-spacing:0.18em; font-weight:500;}
header.site nav{display:flex; align-items:center; gap:30px;}
header.site .links{display:flex; gap:26px; font-size:14px; color:var(--muted);}
header.site .links a:hover{color:var(--ink);}
header.site .links a[aria-current]{color:var(--ink); border-bottom:1.5px solid var(--accent); padding-bottom:2px;}

/* ---------- buttons, chips, cards ---------- */
.btn{display:inline-block; font-family:var(--font-mono); font-size:13px; letter-spacing:0.04em; padding:12px 22px; border-radius:10px; border:1.5px solid var(--accent); background:var(--accent); color:var(--on-accent); transition:filter .15s;}
.btn:hover{filter:brightness(1.15);}
.btn-ghost{background:transparent; color:var(--accent);}
.btn-ghost:hover{background:var(--t1); filter:none;}
.btn[disabled]{opacity:.5; cursor:not-allowed;}
.tag{display:inline-block; font-family:var(--font-mono); font-size:11px; letter-spacing:0.04em; padding:4px 10px; border-radius:999px; color:var(--ink); background:var(--c1);}
.tag.b{background:var(--c2);} .tag.c{background:var(--c4);} .tag.d{background:var(--c5);} .tag.e{background:var(--c3);}
.card{background:var(--surface); border:1.5px solid var(--line); border-radius:18px; padding:28px;}
.card.t1{background:var(--t1); border-color:var(--c1);} .card.t2{background:var(--t2); border-color:var(--c2);}
.card.t3{background:var(--t3); border-color:var(--c3);} .card.t4{background:var(--t4); border-color:var(--c4);}
.card.t5{background:var(--t5); border-color:var(--c5);}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line); padding:36px 0;}
footer.site .wrap{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
footer.site .links{display:flex; gap:22px; flex-wrap:wrap; font-size:13px; color:var(--muted);}
footer.site .links a:hover{color:var(--ink);}
footer.site .copy{font-family:var(--font-mono); font-size:12px; color:var(--muted);}

/* ---------- sitewide dot background ---------- */
#bg-grid{position:fixed; inset:0; width:100vw; height:100vh; z-index:-1; pointer-events:none;}
#bg-grid .dot{animation:settle 10s ease-in-out infinite;}
@keyframes settle{
  0%,100%{transform:translate(var(--dx),var(--dy)); opacity:var(--o1);}
  40%,60%{transform:translate(0px,0px); opacity:var(--o2);}
}
@media (prefers-reduced-motion: reduce){ #bg-grid .dot{animation:none; opacity:var(--o2);} }

@media (max-width:900px){
  .wrap{padding:0 20px;}
}
@media (max-width:520px){
  header.site .links{display:none;}
}