/* Fi-art — Phase 1 design system
   gallery white space · banknote texture · vault glass · ledger grids · soft metallic */
:root{
  --ink:#1b1916; --ink-soft:#4a463f; --paper:#faf8f2; --paper-2:#f3eee2;
  --line:#e3ddcd; --line-2:#d6cdb6;
  --gold:#b8965a; --gold-deep:#9a7a40; --gold-light:#e9dcbd;
  --vault:#1f3d34; --vault-2:#2c4f44;
  --danger:#a3432f; --danger-bg:#f7e9e4;
  --ok:#2f6f4f; --ok-bg:#e6f0e7;
  --warn:#9a6b1f; --warn-bg:#f6eed8;
  --shadow:0 1px 2px rgba(27,25,22,.06),0 8px 28px rgba(27,25,22,.07);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--gold-deep);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:.2em 0}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:1.6em 0 .5em}
h3{font-size:1.2rem;margin:1.2em 0 .4em}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
.muted{color:var(--ink-soft)}
.center{text-align:center}
.mono{font-family:var(--mono)}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:40;background:rgba(250,248,242,.85);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:26px;height:62px}
.brand{font-family:var(--serif);font-size:1.35rem;font-weight:700;color:var(--ink);
  letter-spacing:.02em;display:flex;align-items:center;gap:9px}
.brand .mark{width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,var(--gold-light),var(--gold) 60%,var(--gold-deep));
  box-shadow:inset 0 0 0 1.5px rgba(0,0,0,.12)}
.nav nav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.nav nav a{color:var(--ink-soft);font-size:.94rem;font-weight:500}
.nav nav a:hover,.nav nav a.active{color:var(--ink);text-decoration:none}
.nav .cta{padding:8px 16px;border-radius:999px;background:var(--ink);color:var(--paper)!important;
  font-size:.9rem}
.nav .cta:hover{background:var(--vault)}

/* ---- buttons ---- */
.btn{display:inline-block;padding:12px 22px;border-radius:999px;border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);font-weight:600;font-size:.96rem;cursor:pointer;
  transition:.15s;font-family:var(--sans)}
.btn:hover{background:var(--vault);border-color:var(--vault);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--paper-2);color:var(--ink)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#231d10}
.btn.gold:hover{background:var(--gold-deep);border-color:var(--gold-deep);color:#fff}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* ---- hero ---- */
.hero{padding:74px 0 56px;background:
  radial-gradient(1100px 360px at 50% -40%,var(--gold-light) 0%,transparent 60%),
  linear-gradient(var(--paper),var(--paper-2));
  border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.hero .eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-deep)}
.hero p.sub{font-size:1.18rem;max-width:640px;margin:.4em auto 1.5em;color:var(--ink-soft)}
.flowline{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:34px;
  font-family:var(--mono);font-size:.82rem;color:var(--ink-soft)}
.flowline span{background:#fff;border:1px solid var(--line-2);border-radius:8px;padding:8px 13px;
  box-shadow:var(--shadow)}
.flowline b{color:var(--ink)}
.flowline .arr{border:none;box-shadow:none;background:none;color:var(--gold-deep);padding:8px 0}

/* ---- sections / grids ---- */
section{padding:18px 0}
.kicker{font-family:var(--mono);font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-deep);margin-bottom:2px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(auto-fill,minmax(232px,1fr))}
@media(max-width:780px){.g3,.g2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;
  box-shadow:var(--shadow)}
.card h3{margin-top:0}
.card .num{font-family:var(--serif);font-size:1.6rem;color:var(--gold);line-height:1}

/* ---- note cards (marketplace) ---- */
.note-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.15s}
.note-card:hover{transform:translateY(-3px);box-shadow:0 10px 34px rgba(27,25,22,.13);text-decoration:none}
.note-art{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);color:#fff;text-align:center;padding:16px;position:relative}
.note-art .denom{font-size:2.2rem;font-weight:700;text-shadow:0 1px 0 rgba(0,0,0,.25);position:relative;z-index:2}
.note-art .guilloche{position:absolute;inset:0;opacity:.16;background:
  repeating-radial-gradient(circle at 50% 50%,#fff 0 1px,transparent 1px 9px)}
.note-body{padding:15px 16px 17px;display:flex;flex-direction:column;gap:7px;flex:1}
.note-body .t{font-family:var(--serif);font-size:1.12rem;color:var(--ink);font-weight:600}
.note-body .row{display:flex;justify-content:space-between;font-size:.86rem;color:var(--ink-soft);gap:8px}
.note-body .price{font-family:var(--mono);color:var(--ink);font-weight:600}

/* ---- badges / risk labels ---- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;padding:4px 9px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--paper-2);color:var(--ink-soft);font-family:var(--sans)}
.badge.art{background:#eef1f4;color:#3a4a5a;border-color:#d5dde5}
.badge.capacity{background:#e9f1ea;color:#2f6f4f;border-color:#cbe0cf}
.badge.access{background:#f1ecf5;color:#5b3f73;border-color:#ded0e8}
.badge.artnote{background:#f5efe5;color:#866227;border-color:#e7d8bd}
.badge.mirror{background:#f6e7df;color:#a3432f;border-color:#eccdbf}
.badge.verified::before{content:"✓"}
.badge.dot::before{content:"●";font-size:.7em}

/* ---- truth panel (financial nutrition label) ---- */
.truth{border:2px solid var(--ink);border-radius:10px;background:#fff;max-width:430px;
  font-family:var(--mono);font-size:.82rem;overflow:hidden}
.truth .th{background:var(--ink);color:var(--paper);padding:9px 14px;font-weight:700;
  letter-spacing:.12em;font-size:.74rem;text-transform:uppercase;display:flex;justify-content:space-between}
.truth .rows{padding:6px 14px 12px}
.truth .tr{display:flex;justify-content:space-between;gap:14px;padding:6px 0;
  border-bottom:1px solid var(--line)}
.truth .tr:last-child{border-bottom:none}
.truth .k{color:var(--ink-soft)}
.truth .v{color:var(--ink);text-align:right;font-weight:600}
.truth .v.no{color:var(--danger)}
.truth .v.yes{color:var(--ok)}
.truth .warn{background:var(--warn-bg);color:var(--warn);padding:9px 14px;font-size:.78rem;
  border-top:2px solid var(--ink);line-height:1.45}
.truth .warn.danger{background:var(--danger-bg);color:var(--danger)}
.truth .warn.ok{background:var(--ok-bg);color:var(--ok)}

/* ---- forms ---- */
.field{margin:14px 0}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px}
.field .hint{font-size:.82rem;color:var(--ink-soft);margin-top:3px}
input[type=text],input[type=email],textarea,select{width:100%;padding:11px 13px;border:1px solid var(--line-2);
  border-radius:9px;font-size:.96rem;font-family:var(--sans);background:#fff;color:var(--ink)}
textarea{min-height:90px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-light)}
.check{display:flex;gap:10px;align-items:flex-start;margin:9px 0;font-size:.92rem}
.check input{margin-top:3px}
.scan-flag{background:var(--danger-bg);border:1px solid #eccdbf;color:var(--danger);
  border-radius:9px;padding:11px 13px;font-size:.88rem;margin-top:8px}
.scan-ok{background:var(--ok-bg);border:1px solid #cbe0cf;color:var(--ok);
  border-radius:9px;padding:11px 13px;font-size:.88rem;margin-top:8px}

/* ---- covenant ---- */
.covenant{background:var(--vault);color:#eaf0ec;border-radius:14px;padding:26px 28px;box-shadow:var(--shadow)}
.covenant h3{color:#fff;margin-top:0}
.covenant ul{list-style:none;padding:0;margin:0 0 16px}
.covenant li{padding:7px 0 7px 26px;position:relative;border-bottom:1px solid rgba(255,255,255,.1)}
.covenant li::before{content:"⬦";position:absolute;left:0;color:var(--gold-light)}
.covenant li:last-child{border-bottom:none}

/* ---- panels / steps ---- */
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow);margin:16px 0}
.steps{counter-reset:s;display:grid;gap:10px}
.steps .s{counter-increment:s;padding-left:42px;position:relative;color:var(--ink-soft)}
.steps .s::before{content:counter(s);position:absolute;left:0;top:-2px;width:28px;height:28px;
  border-radius:50%;background:var(--paper-2);border:1px solid var(--line-2);color:var(--ink);
  font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.85rem}

/* ---- learn ---- */
.lesson{border-left:3px solid var(--gold);padding:4px 0 4px 18px;margin:18px 0}
.lesson .teach{font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-deep)}

/* ---- misc ---- */
.notice{background:var(--warn-bg);border:1px solid #e7d8bd;color:var(--warn);border-radius:10px;
  padding:12px 15px;font-size:.88rem;margin:14px 0}
.tag{font-family:var(--mono);font-size:.74rem;color:var(--ink-soft);
  background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:2px 7px}
footer.foot{margin-top:60px;border-top:1px solid var(--line);background:var(--paper-2)}
footer.foot .wrap{padding:34px 22px;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;
  font-size:.88rem;color:var(--ink-soft)}
footer.foot a{color:var(--ink-soft)}
.legal-strip{font-family:var(--mono);font-size:.72rem;color:var(--ink-soft);text-align:center;
  padding:14px;letter-spacing:.03em}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.hide{display:none!important}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:18px 0}
.filters select,.filters input{width:auto;min-width:150px}
.chip{cursor:pointer;border:1px solid var(--line-2);background:#fff;border-radius:999px;padding:7px 14px;
  font-size:.86rem;color:var(--ink-soft);font-weight:600}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.legal-line{font-family:var(--mono);font-size:.7rem;color:var(--ink-soft);
  border-top:1px dashed var(--line-2);padding-top:7px;margin-top:3px;line-height:1.4}