/* YuanBroker — design "cédula de câmbio": papel, vermelho de nota de ¥100, ouro discreto */
:root{
  --paper:#F4F2ED; --paper-2:#ECE8DF; --ink:#1C1917; --ink-2:#57534E;
  --red:#B02418; --red-deep:#7E1A12; --gold:#B98A2F; --jade:#1E7A5A;
  --line:#D8D2C4; --card:#FFFFFF;
  --font-display:"Bricolage Grotesque",system-ui,sans-serif;
  --font-body:"Instrument Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:2px}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;gap:18px;min-height:62px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--font-display);font-weight:800;font-size:1.22rem;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.seal{width:34px;height:34px;background:var(--red);color:#fff;display:grid;place-items:center;border-radius:6px;font-family:var(--font-display);font-size:1.05rem;font-weight:800;box-shadow:inset 0 0 0 2px rgba(255,255,255,.28)}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink-2);font-weight:500;font-size:.92rem;padding:7px 11px;border-radius:8px}
.nav a:hover{background:var(--paper-2);color:var(--ink);text-decoration:none}
.nav a[aria-current="page"]{color:var(--red);font-weight:600}

/* Hero cédula */
.note-hero{background:linear-gradient(160deg,var(--red) 0%,var(--red-deep) 100%);color:#FBF7EE;position:relative;overflow:hidden}
.note-hero::before{content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(circle at 12% 120%,transparent 34%,#fff 34.5%,transparent 35.4%),
  radial-gradient(circle at 12% 120%,transparent 44%,#fff 44.5%,transparent 45.4%),
  radial-gradient(circle at 12% 120%,transparent 54%,#fff 54.5%,transparent 55.4%),
  radial-gradient(circle at 108% -30%,transparent 34%,#fff 34.5%,transparent 35.4%),
  radial-gradient(circle at 108% -30%,transparent 44%,#fff 44.5%,transparent 45.4%),
  radial-gradient(circle at 108% -30%,transparent 54%,#fff 54.5%,transparent 55.4%)}
.note-hero .wrap{position:relative;padding-top:54px;padding-bottom:54px}
.note-eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:#F0D9A8;margin:0 0 10px}
.note-hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(1.7rem,4.4vw,2.7rem);line-height:1.08;letter-spacing:-.02em;margin:0 0 8px;max-width:21ch}
.note-hero .sub{color:#F3E4E0;max-width:56ch;margin:0 0 26px;font-size:1.02rem}
.rate-board{display:flex;gap:34px;flex-wrap:wrap;align-items:flex-end}
.rate-big{font-family:var(--font-mono);font-weight:600;font-size:clamp(2.6rem,8vw,4.6rem);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.rate-label{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:#F0D9A8;display:block;margin-bottom:6px}
.rate-meta{font-family:var(--font-mono);font-size:.86rem;color:#F3E4E0;display:flex;gap:16px;flex-wrap:wrap}
.delta-up{color:#9FE3C3}.delta-down{color:#FFC2B5}
.stamp{position:absolute;right:22px;bottom:18px;width:74px;height:74px;border:3px solid rgba(255,255,255,.5);border-radius:10px;display:grid;place-items:center;font-family:var(--font-display);font-size:2rem;font-weight:800;color:rgba(255,255,255,.7);transform:rotate(-7deg)}
@media(max-width:640px){.stamp{display:none}}

/* Seções */
main{padding:10px 0 30px}
.section{padding:34px 0 8px}
.section h2{font-family:var(--font-display);font-weight:800;font-size:clamp(1.35rem,3vw,1.8rem);letter-spacing:-.02em;margin:0 0 6px}
.section .lead{color:var(--ink-2);margin:0 0 20px;max-width:64ch}
h3{font-family:var(--font-display);font-weight:700;font-size:1.12rem;margin:26px 0 8px}
p{margin:0 0 14px;max-width:70ch}
article ul,article ol{max-width:66ch}
li{margin-bottom:6px}

/* Cards e tabelas */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.grid-2{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);text-align:left;padding:9px 10px;border-bottom:2px solid var(--ink)}
td{padding:9px 10px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
td.num,th.num{text-align:right;font-family:var(--font-mono);font-size:.9rem}
tr:hover td{background:var(--paper-2)}
.table-scroll{overflow-x:auto}

/* Formulários / conversor */
label{display:block;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin:0 0 6px}
input,select{width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:9px;background:#fff;font-family:var(--font-mono);font-size:1.02rem;color:var(--ink)}
input:focus,select:focus{border-color:var(--red);outline:none;box-shadow:0 0 0 3px rgba(176,36,24,.12)}
.field{margin-bottom:14px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row .field{flex:1;min-width:150px}
.result-line{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.98rem}
.result-line strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.result-total{border-top:2px solid var(--ink);border-bottom:none;margin-top:6px;padding-top:12px;font-size:1.06rem}
.result-total strong{color:var(--red);font-size:1.28rem}
.btn{display:inline-block;background:var(--red);color:#fff;border:none;border-radius:9px;padding:13px 22px;font-family:var(--font-display);font-weight:700;font-size:1rem;cursor:pointer}
.btn:hover{background:var(--red-deep);text-decoration:none}
.hint{font-size:.85rem;color:var(--ink-2)}

/* Afiliado / destaque */
.reco{border:1.5px solid var(--gold);background:linear-gradient(180deg,#FFFDF6,#FBF4E2);border-radius:12px;padding:18px 20px;margin:22px 0;display:flex;gap:14px;align-items:flex-start}
.reco .tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:4px}
.reco strong{font-family:var(--font-display)}
.reco p{margin:4px 0 8px;font-size:.94rem}
.reco a.btn{background:var(--gold);padding:9px 16px;font-size:.9rem}
.reco a.btn:hover{background:#96701F}

/* Avisos */
.callout{border-left:4px solid var(--gold);background:#FBF7EC;padding:14px 16px;border-radius:0 10px 10px 0;margin:18px 0;font-size:.95rem}
.callout.red{border-left-color:var(--red);background:#FBEFED}

/* FAQ */
details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px;padding:0 16px}
summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}
summary::after{content:"+";font-family:var(--font-mono);color:var(--red)}
details[open] summary::after{content:"–"}
details p{padding-bottom:14px}

/* Rodapé */
.site-footer{background:var(--ink);color:#D6D0C4;margin-top:44px}
.site-footer .wrap{padding:34px 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
@media(max-width:760px){.site-footer .wrap{grid-template-columns:1fr}}
.site-footer h4{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:#A8A29E;margin:0 0 10px}
.site-footer a{color:#EDE7DA;display:block;margin-bottom:7px;font-size:.93rem}
.site-footer .fine{grid-column:1/-1;border-top:1px solid #3B3733;padding-top:16px;font-size:.8rem;color:#A8A29E}
.sparkline{width:100%;height:64px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}