:root{
  --paper:#F5F6F3;
  --paper-raise:#FFFFFF;
  --ink:#14161A;
  --ink-soft:#4A4F57;
  --plate:#1A1C20;
  --plate-text:#F2F3EF;
  --sg-red:#C8102E;
  --line:#D9DBD4;
  --ok:#0B7A3E;
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sg-red);outline-offset:2px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 24px}

/* header */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(245,246,243,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:12px}
.logo-plate{
  background:var(--plate);color:var(--plate-text);
  font-family:'Saira Condensed',sans-serif;font-weight:700;
  font-size:20px;letter-spacing:.14em;
  padding:5px 12px 4px;border-radius:6px;border:2px solid #000;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.15);
}
.logo-name{font-family:'Archivo',sans-serif;font-weight:700;font-size:15px;letter-spacing:.02em}
.logo-name span{color:var(--ink-soft);font-weight:500}
nav.links{display:flex;gap:28px;font-size:14.5px;font-weight:500}
nav.links a{color:var(--ink-soft);transition:color .15s}
nav.links a:hover,nav.links a[aria-current]{color:var(--sg-red)}
.nav-cta{font-size:14px;font-weight:600;background:var(--ink);color:#fff;padding:9px 18px;border-radius:8px;transition:background .15s}
.nav-cta:hover{background:var(--sg-red)}
@media(max-width:820px){nav.links{display:none}}

/* typography */
.eyebrow{
  font-family:'Archivo',sans-serif;font-variation-settings:'wdth' 115;
  font-weight:600;font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--sg-red);display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--sg-red)}
h1{
  font-family:'Archivo',sans-serif;font-variation-settings:'wdth' 108;
  font-weight:850;font-size:clamp(30px,4.4vw,44px);
  line-height:1.06;letter-spacing:-.012em;margin-bottom:18px;
}
h2{font-family:'Archivo',sans-serif;font-variation-settings:'wdth' 108;font-weight:800;font-size:clamp(22px,3vw,28px);line-height:1.15;margin-bottom:12px}
.lede{font-size:17px;color:var(--ink-soft);max-width:70ch}

/* page scaffolding */
.page-head{padding:56px 0 36px}
.section{padding:0 0 64px}

/* tool card + forms */
.tool-card{
  background:var(--paper-raise);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px;
  box-shadow:0 18px 40px -28px rgba(20,22,26,.25);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.form-grid .full{grid-column:1/-1}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
label.f{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-soft);margin-bottom:6px;text-transform:uppercase}
input.f,select.f,textarea.f{
  width:100%;font-family:'IBM Plex Sans',sans-serif;font-size:16px;
  padding:11px 14px;border:1.5px solid var(--line);border-radius:9px;
  background:var(--paper);color:var(--ink);
}
input.f:focus,select.f:focus,textarea.f:focus{border-color:var(--ink)}
.hint{font-size:12.5px;color:var(--ink-soft);margin-top:5px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;font-family:'IBM Plex Sans',sans-serif;
  padding:13px 24px;border-radius:10px;border:none;cursor:pointer;
  transition:transform .12s, background .15s, border-color .15s;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--sg-red);transform:translateY(-1px)}
.btn-ghost{border:1.5px solid var(--line);background:var(--paper-raise);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* results */
.results{margin-top:28px;border-top:2px solid var(--ink);padding-top:22px;display:none}
.results.show{display:block}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:700px){.res-grid{grid-template-columns:1fr}}
.res{
  background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px 18px;
}
.res .k{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}
.res .v{font-family:'Archivo',sans-serif;font-weight:800;font-size:24px;letter-spacing:-.01em}
.res.hero-res{background:var(--plate);border-color:#000;color:var(--plate-text)}
.res.hero-res .k{color:#A7AAA2}
.res.hero-res .v{color:#FF6B7A;font-size:28px}
.res-note{font-size:13px;color:var(--ink-soft);margin-top:14px}
table.breakdown{width:100%;border-collapse:collapse;margin-top:18px;font-size:14.5px}
table.breakdown th,table.breakdown td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line)}
table.breakdown th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}
table.breakdown td.num,table.breakdown th.num{text-align:right;font-variant-numeric:tabular-nums}

/* plate display (checksum) */
.plate{
  background:linear-gradient(180deg,#22252A,#141619);
  border:3px solid #000;border-radius:10px;
  box-shadow:inset 0 2px 0 rgba(255,255,255,.14), 0 4px 10px rgba(0,0,0,.28);
  padding:20px 18px;display:flex;justify-content:center;align-items:baseline;gap:14px;
  font-family:'Saira Condensed',sans-serif;font-weight:700;
  font-size:clamp(44px,6vw,60px);color:var(--plate-text);letter-spacing:.1em;
  min-height:104px;user-select:none;
}
.plate .check{color:#FF4D5E;text-shadow:0 0 18px rgba(255,77,94,.4);min-width:.7em;text-align:center}

/* letter output */
.letter{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:34px 38px;font-family:'IBM Plex Sans',sans-serif;font-size:15px;
  white-space:pre-wrap;line-height:1.7;margin-top:18px;
}
@media print{
  header.site, .page-head, .tool-card form, .btn-row, .cta-panel, footer.site, .wa-float, .faq, .no-print{display:none!important}
  body{background:#fff}
  .letter{border:none;padding:0}
}

/* CTA panel */
.cta-panel{
  margin-top:36px;background:var(--plate);color:var(--plate-text);
  border-radius:var(--radius);padding:30px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-panel p{max-width:52ch;color:#B9BCB4;font-size:15px}
.cta-panel b{color:#fff;display:block;font-size:17px;margin-bottom:4px;font-family:'Archivo',sans-serif}
.btn-wa{background:#25D366;color:#0B3D1F;font-weight:700}
.btn-wa:hover{background:#1FBF5B;transform:translateY(-1px)}

/* FAQ */
.faq{margin-top:44px}
.faq details{border:1px solid var(--line);border-radius:10px;background:var(--paper-raise);padding:16px 20px;margin-bottom:10px}
.faq summary{font-weight:600;cursor:pointer;font-size:15.5px}
.faq details p{color:var(--ink-soft);font-size:14.5px;margin-top:10px}

/* footer */
footer.site{border-top:1px solid var(--line);padding:34px 0 40px;margin-top:30px}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-soft)}
.foot .disclaimer{max-width:56ch}

/* floating WhatsApp */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px -8px rgba(11,61,31,.5);
  transition:transform .15s;
}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:2px solid rgba(37,211,102,.55);animation:waPulse 2.2s infinite;
}
@keyframes waPulse{0%{transform:scale(.85);opacity:1}100%{transform:scale(1.25);opacity:0}}

/* promo banner */
.promo-bar{background:var(--sg-red);color:#fff}
.promo-bar .wrap{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;padding:10px 24px;font-size:14.5px;font-weight:600}
.promo-bar .tag{background:#fff;color:var(--sg-red);font-family:'Archivo',sans-serif;font-weight:800;padding:2px 10px;border-radius:6px;font-size:13px;letter-spacing:.04em}
.promo-bar a{text-decoration:underline;text-underline-offset:3px;font-weight:700}
.promo-bar a:hover{opacity:.85}

/* COE ticker */
.coe-ticker{border-bottom:1px solid var(--line);background:var(--paper-raise)}
.coe-ticker .wrap{display:flex;align-items:center;gap:26px;padding:12px 24px;flex-wrap:wrap;font-size:14px}
.coe-ticker .lbl{font-family:'Archivo',sans-serif;font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.coe-ticker .item{display:flex;align-items:baseline;gap:7px;font-variant-numeric:tabular-nums}
.coe-ticker .cat{font-weight:700;font-family:'Saira Condensed',sans-serif;font-size:15px;background:var(--plate);color:var(--plate-text);padding:1px 8px;border-radius:4px}
.coe-ticker .px{font-weight:600}
.coe-ticker .more{margin-left:auto;color:var(--sg-red);font-weight:600;font-size:13.5px}
@media(max-width:700px){.coe-ticker .more{margin-left:0}}

/* COE page */
.coe-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:8px}
@media(max-width:900px){.coe-cards{grid-template-columns:repeat(2,1fr)}}
.coe-card{background:var(--paper-raise);border:1px solid var(--line);border-radius:12px;padding:16px 16px 14px}
.coe-card .cat{font-family:'Saira Condensed',sans-serif;font-weight:700;font-size:14px;letter-spacing:.1em;background:var(--plate);color:var(--plate-text);display:inline-block;padding:2px 9px;border-radius:5px;margin-bottom:8px}
.coe-card .px{font-family:'Archivo',sans-serif;font-weight:800;font-size:clamp(18px,2vw,23px);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.coe-card .chg{font-size:12.5px;font-weight:600;margin-top:2px}
.coe-card .chg.up{color:var(--sg-red)}
.coe-card .chg.down{color:var(--ok)}
.coe-card .desc{font-size:11.5px;color:var(--ink-soft);margin-top:6px;line-height:1.4}
.asof{font-size:13px;color:var(--ink-soft);margin:10px 0 26px}
.asof .live{color:var(--ok);font-weight:600}
.fc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.fc-grid{grid-template-columns:1fr}}
.fc{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.fc .k{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.fc .range{font-family:'Archivo',sans-serif;font-weight:800;font-size:20px;margin-top:4px;font-variant-numeric:tabular-nums}
.fc .bias{font-size:13px;margin-top:4px;font-weight:600}

/* services */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:760px){.svc-grid{grid-template-columns:1fr}}