/* X-Rate editorial system — ink noir / warm paper / electric lime.
   Mobile-first compact: 3 rates + average fit one phone viewport. */
:root{
  --ink:#101210; --ink-60:rgba(16,18,16,.6); --ink-40:rgba(16,18,16,.4);
  --paper:#f3efe4; --card:#fbf8ef; --line:rgba(16,18,16,.16);
  --accent:#d7fd44; --accent-ink:#101210;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-body:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --text-base:clamp(1rem,.9rem + .4vw,1.125rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:var(--text-base);line-height:1.6;
  background:var(--paper);color:var(--ink);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
.wrap{max-width:1020px;margin:0 auto;padding:0 14px}
h1,h2{font-weight:600;letter-spacing:-.02em;line-height:1.05;text-wrap:balance}
.muted{color:var(--ink-60)}.tiny{font-size:.78rem}
code{background:rgba(16,18,16,.07);padding:.1em .4em;border-radius:6px;font-size:.9em}

/* ---------- slim topbar ---------- */
.topbar{background:var(--ink);color:var(--paper);padding:10px 0}
.topbar-in{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.brand{font-family:var(--font-display);font-size:1.25rem;letter-spacing:-.02em;margin:0 auto 0 0}
.brand span{color:var(--accent)}
.statusbar{display:flex;align-items:center;gap:10px;margin-left:auto}
.topbar-meta{font-size:.75rem;color:rgba(243,239,228,.65)}
.btn{font:inherit;font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--paper);background:transparent;cursor:pointer;
  border:1px solid rgba(243,239,228,.4);border-radius:999px;padding:7px 16px;position:relative;overflow:hidden;
  transition:color .45s var(--ease-out),border-color .45s var(--ease-out),transform .45s var(--ease-out)}
.btn::before{content:"";position:absolute;inset:0;background:var(--accent);border-radius:inherit;
  transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease-out)}
.btn:hover{color:var(--accent-ink);border-color:var(--accent);transform:translateY(-2px)}
.btn:hover::before{transform:scaleX(1);transform-origin:left}
.btn span{position:relative}
.error{margin-top:10px;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:8px;padding:10px 14px}

/* ---------- load-in (subtle rise, staggered) ---------- */
.topbar-in{opacity:0;transform:translateY(-10px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
body.ready .topbar-in{opacity:1;transform:none}

/* ---------- scroll reveals ---------- */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
[data-reveal].is-visible{opacity:1;transform:none}
.rates-row .rate-card:nth-child(2){transition-delay:.1s}
.rates-row .rate-card:nth-child(3){transition-delay:.2s}

/* ---------- sections (compact mobile) ---------- */
.section-label{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-60);margin:18px 0 2px}
.section-label span{color:var(--ink);font-weight:700}
.rates-row{display:grid;grid-template-columns:1fr;gap:10px;margin-top:8px}
.rate-card{background:var(--card);border:1px solid var(--ink);border-radius:12px;padding:12px 14px 10px;
  display:grid;grid-template-columns:1fr auto;grid-template-areas:"idx pill" "title pill" "value pill" "date pill";
  align-items:center;column-gap:10px;position:relative;
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out),opacity .8s var(--ease-out)}
.rate-card::before{content:"";position:absolute;top:0;left:14px;right:14px;height:3px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-out)}
.rate-card:hover{transform:translateY(-4px);box-shadow:5px 5px 0 var(--ink)}
.rate-card:hover::before{transform:scaleX(1)}
.rate-card.off{opacity:.55}
.rate-index{grid-area:idx;font-size:.68rem;letter-spacing:.2em;color:var(--ink-40)}
.rate-card h2{grid-area:title;font-size:.95rem;margin:0}
.rate-value{grid-area:value;font-family:var(--font-display);font-weight:500;letter-spacing:-.02em;line-height:1;
  font-size:1.55rem;font-variant-numeric:tabular-nums;margin:2px 0}
.rate-value small{font-family:var(--font-body);font-size:.68rem;letter-spacing:.2em;color:var(--ink-60)}
.rate-date{grid-area:date;color:var(--ink-60);font-size:.72rem;margin:0}
.pill{grid-area:pill;align-self:center;display:inline-flex;align-items:center;cursor:pointer;white-space:nowrap;
  font-size:.62rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--ink);border-radius:999px;padding:7px 12px;
  transition:background .35s var(--ease-out),color .35s var(--ease-out)}
.pill input{position:absolute;opacity:0;pointer-events:none}
.pill:has(input:checked){background:var(--ink);color:var(--paper)}
.pill:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:3px}
.skeleton{display:block;min-height:96px}
.skeleton .pulse{height:72px;border-radius:8px;background:rgba(16,18,16,.08);animation:pulse 1.4s var(--ease-out) infinite alternate}
@keyframes pulse{from{opacity:.4}to{opacity:1}}

.grid-2{display:grid;grid-template-columns:1fr;gap:0}
.card{background:var(--card);border:1px solid var(--ink);border-radius:12px;padding:16px;margin:12px 0}
.avg-card{border-width:2px}
.card h2{font-size:1.15rem;margin:0 0 4px}
.result{font-family:var(--font-display);font-weight:500;letter-spacing:-.01em;line-height:1.05;
  font-size:1.7rem;font-variant-numeric:tabular-nums;margin:8px 0 4px}
.card p{margin:6px 0}
label{display:block;margin:10px 0;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-60)}
input,select{width:100%;margin-top:6px;padding:11px 13px;font:inherit;font-size:1rem;color:var(--ink);
  background:var(--paper);border:1.5px solid var(--ink);border-radius:10px;text-transform:none;letter-spacing:normal}
input:focus,select:focus{outline:2px solid var(--ink);outline-offset:2px;background:#fff}
.card.method{margin-bottom:8px;font-size:.92rem}
.link-draw{color:var(--ink);font-weight:600;text-decoration:none;
  background-image:linear-gradient(currentColor,currentColor);background-size:0% 2px;background-position:0 100%;
  background-repeat:no-repeat;transition:background-size .4s var(--ease-out);padding-bottom:2px}
.link-draw:hover{background-size:100% 2px}

.ad-slot{border:1.5px dashed var(--ink-40);border-radius:12px;padding:14px;margin:16px 0;text-align:center;
  color:var(--ink-60);background:transparent}
.ad-slot small{display:block;font-size:.68rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;margin-bottom:6px}
.foot{padding:20px 0 44px;color:var(--ink-60);font-size:.85rem}

/* ---------- desktop: airy editorial ---------- */
@media(min-width:760px){
  .wrap{padding:0 clamp(20px,4vw,48px)}
  .brand{font-size:1.5rem}
  .btn{font-size:.85rem;padding:9px 22px}
  .section-label{margin:40px 0 6px;font-size:.78rem}
  .rates-row{grid-template-columns:1fr 1fr 1fr;gap:20px;margin-top:12px}
  .rate-card{display:flex;flex-direction:column;gap:2px;padding:22px}
  .rate-card h2{font-size:1.05rem;margin-top:2px}
  .rate-value{font-size:clamp(2.2rem,1.6rem + 2.4vw,2.9rem);margin:12px 0 2px}
  .rate-value small{font-size:.8rem}
  .rate-date{font-size:.85rem;margin-bottom:12px}
  .pill{align-self:flex-start;font-size:.72rem;letter-spacing:.16em;padding:8px 16px;margin-top:auto}
  .grid-2{grid-template-columns:1fr 1fr;gap:20px}
  .card{padding:clamp(20px,3vw,30px);margin:20px 0;border-radius:14px}
  .card h2{font-size:1.3rem}
  .result{font-size:clamp(1.9rem,1.4rem + 2vw,2.6rem)}
  .ad-slot{padding:22px;margin:28px 0}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal],.topbar-in{transform:none!important;opacity:1!important}
}