/*
Theme Name: QuickSwap Field Guide
Theme URI: https://quick-swap.exchange/
Description: Independent editorial field-guide theme — paper, serif display, mono data, blueprint accents.
Author: QuickSwap Field Guide editorial team
Version: 1.3.0
*/

/* ============================== TOKENS ============================== */
:root{
  --paper:#f6f4ee;        /* warm paper background */
  --paper-2:#fffdf8;      /* card paper */
  --ink:#16202e;          /* primary text */
  --ink-soft:#3a4a5e;
  --ink-dim:#647689;
  --line:#e2ddd1;         /* hairline on paper */
  --line-strong:#cfc8b8;
  --violet:#6d28d9;       /* Polygon-leaning primary */
  --violet-2:#7c3aed;
  --cyan:#0891b2;         /* accent */
  --cyan-2:#06b6d4;
  --amber:#d97706;        /* highlight / warning accent */
  --green:#15803d;
  --red:#b91c1c;
  --ok-bg:#eaf6ee; --warn-bg:#fdf3e7; --info-bg:#eef0fb; --danger-bg:#fbeceb;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 0 var(--line), 0 18px 40px -28px rgba(22,32,46,.45);
  --shadow-lift:0 22px 50px -24px rgba(22,32,46,.4);
  --maxw:1140px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  font-size:17px;line-height:1.72;font-feature-settings:"ss01","cv05";
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  background-position:center top;
  background-attachment:fixed;
}
/* fade the blueprint grid so it's a whisper, not a cage */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(circle at 50% 18%,rgba(246,244,238,.2),var(--paper) 62%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

h1,h2,h3,h4,h5{font-family:var(--serif);color:var(--ink);line-height:1.12;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem);margin:.2em 0}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin:1.4em 0 .5em}
h3{font-size:1.27rem;margin:1.1em 0 .4em}
h4{font-size:1.08rem;margin:.8em 0 .3em}
p{margin:0 0 1.05em}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--violet);font-weight:600;display:inline-block}
.muted{color:var(--ink-dim)}
.grad{background:linear-gradient(100deg,var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
code{font-family:var(--mono);font-size:.88em;background:#ece8dd;padding:.12em .42em;border-radius:5px;color:#4a2e8f}

/* ============================== BUTTONS ============================== */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);font-weight:600;
  font-size:15px;padding:12px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s;text-decoration:none;line-height:1}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:linear-gradient(100deg,var(--violet),var(--violet-2));color:#fff;
  box-shadow:0 12px 26px -12px rgba(109,40,217,.8)}
.btn-primary:hover{box-shadow:0 16px 34px -12px rgba(109,40,217,.9)}
.btn-ghost{background:var(--paper-2);color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--violet);color:var(--violet)}
.btn-cyan{background:linear-gradient(100deg,var(--cyan),var(--cyan-2));color:#fff;box-shadow:0 12px 26px -12px rgba(6,182,212,.7)}
.btn-lg{font-size:16.5px;padding:15px 30px}
.btn-text{padding:10px 18px;font-size:14px}

/* ============================== HEADER ============================== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,244,238,.86);
  backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;gap:18px;height:70px}
.site-branding{display:flex;align-items:center;flex:0 0 auto}
.site-branding img{height:40px;width:auto}
.main-nav{display:flex;gap:4px;margin-left:8px;flex-wrap:wrap}
.main-nav a{color:var(--ink-soft);font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:8px}
.main-nav a:hover{color:var(--violet);background:#ece8dd;text-decoration:none}
.main-nav a.current{color:var(--violet);font-weight:600}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1.5px solid var(--line-strong);border-radius:9px;
  font-size:20px;width:42px;height:42px;cursor:pointer;color:var(--ink)}

/* language switcher */
.lang-switch{position:relative}
.lang-switch>button{background:var(--paper-2);border:1.5px solid var(--line-strong);border-radius:999px;
  padding:8px 13px;font-size:13.5px;font-weight:600;cursor:pointer;color:var(--ink-soft);font-family:var(--sans)}
.lang-switch>button:hover{border-color:var(--violet);color:var(--violet)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--paper-2);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lift);padding:7px;min-width:172px;display:none;flex-direction:column;z-index:60}
.lang-menu a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-soft)}
.lang-menu a:hover{background:#ece8dd;text-decoration:none}
.lang-menu a.current{color:var(--violet);font-weight:600}
.lang-switch.open .lang-menu{display:flex}

/* ============================== HERO ============================== */
.hero{padding:62px 0 30px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-copy .lead{font-size:1.18rem;color:var(--ink-soft);margin:.5em 0 1.2em}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hero-visual{position:relative}
.hero-visual>img{border-radius:var(--radius);box-shadow:var(--shadow-lift);border:1px solid var(--line)}
.tape{position:absolute;top:-13px;left:24px;background:var(--amber);color:#fff;font-family:var(--mono);
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;border-radius:6px;transform:rotate(-2.5deg);
  box-shadow:0 8px 18px -8px rgba(217,119,6,.7)}
.glass-float{position:absolute;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;
  padding:11px 15px;box-shadow:var(--shadow-lift)}
.glass-float .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-dim)}
.glass-float .v{font-family:var(--serif);font-weight:600;font-size:1.35rem;color:var(--violet)}
.gf-1{bottom:-18px;left:-18px}
.gf-2{top:-18px;right:-14px}

/* page hero (interior) */
.page-hero{padding:52px 0 26px}
.page-hero .container{max-width:880px}
.page-hero h1{margin-top:.15em}
.page-hero .lead,.page-hero>.container>p:not(.muted){font-size:1.16rem;color:var(--ink-soft)}

/* breadcrumbs */
.breadcrumbs{font-family:var(--mono);font-size:12.5px;color:var(--ink-dim);padding-top:20px}
.breadcrumbs a{color:var(--ink-dim)}
.breadcrumbs a:hover{color:var(--violet)}

/* disclaimer chip */
.disc-chip{position:relative;display:inline-flex;align-items:center;gap:8px;cursor:help;
  font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--amber);
  border:1px dashed var(--amber);border-radius:999px;padding:6px 13px;margin-top:6px;background:var(--warn-bg)}
.disc-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.disc-chip .tip{position:absolute;bottom:calc(100% + 10px);left:0;width:320px;max-width:78vw;
  background:var(--ink);color:#eef1f5;font-family:var(--sans);font-size:12.5px;line-height:1.55;letter-spacing:0;
  padding:12px 14px;border-radius:10px;box-shadow:var(--shadow-lift);opacity:0;visibility:hidden;
  transform:translateY(4px);transition:.18s;z-index:30;text-transform:none;font-weight:400}
.disc-chip:hover .tip,.disc-chip:focus .tip,.disc-chip:focus-within .tip{opacity:1;visibility:visible;transform:translateY(0)}

/* ============================== SECTIONS ============================== */
.section{padding:34px 0}
.section-head{max-width:760px;margin-bottom:8px}
.prose{max-width:820px}
.prose .lede{font-size:1.16rem;color:var(--ink-soft)}
.prose h2{scroll-margin-top:88px}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.25em}
.prose li{margin:.4em 0}
.prose blockquote{margin:1.4em 0;padding:16px 22px;border-left:4px solid var(--violet);
  background:var(--paper-2);border-radius:0 12px 12px 0;font-size:1.05rem;color:var(--ink-soft);box-shadow:var(--shadow)}
.prose blockquote p:last-child{margin:0}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:6px 0 18px}
.stat{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:center;
  position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--violet),var(--cyan))}
.stat .v{font-family:var(--serif);font-weight:600;font-size:1.7rem;color:var(--ink)}
.stat .k{font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-dim);margin-top:4px}

/* cards / grids */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin-top:.1em}
.card .ico{font-size:26px;margin-bottom:6px;display:block}
.card.link-card{transition:transform .15s,box-shadow .15s,border-color .15s}
.card.link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--violet)}

/* scorecard — the signature "audit" element */
.scorecard{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.grade{font-family:var(--serif);font-weight:600;font-size:2.6rem;width:78px;height:78px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto}
.grade.a{background:linear-gradient(135deg,var(--green),#3aa55f)}
.grade.b{background:linear-gradient(135deg,var(--cyan),var(--cyan-2))}
.grade.c{background:linear-gradient(135deg,var(--amber),#eab308)}
.scorecard .label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim)}
.scorecard h3{margin:.1em 0 .2em}
.scorecard p{margin:0;font-size:.97rem;color:var(--ink-soft)}

/* callouts */
.callout{border-radius:var(--radius);padding:18px 20px;margin:24px 0;border:1px solid var(--line)}
.callout .ttl{font-family:var(--serif);font-weight:600;font-size:1.08rem;margin-bottom:5px}
.callout p:last-child{margin:0}
.callout.info{background:var(--info-bg);border-color:#d3d8f4}
.callout.warn{background:var(--warn-bg);border-color:#f3dcc0}
.callout.warn .ttl{color:var(--amber)}
.callout.danger{background:var(--danger-bg);border-color:#f1c9c6}
.callout.danger .ttl{color:var(--red)}
.callout.ok{background:var(--ok-bg);border-color:#c9e6d3}
.callout.ok .ttl{color:var(--green)}

/* foolproof network warning */
.foolproof{border:2px dashed var(--red);background:var(--danger-bg);border-radius:var(--radius);
  padding:20px 22px;margin:26px 0;text-align:center}
.foolproof .big{font-family:var(--serif);font-weight:600;font-size:1.3rem;color:var(--red)}

/* tables */
.table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2)}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:#efece2;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--ink-soft);font-weight:600}
tbody tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:#faf8f2}

/* figure */
.figure{margin:26px 0}
.figure img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.figure figcaption{font-family:var(--mono);font-size:12px;color:var(--ink-dim);margin-top:9px;line-height:1.5}

/* steps */
.steps{counter-reset:step;display:grid;gap:16px;margin:22px 0}
.step{display:grid;grid-template-columns:auto 1fr;gap:16px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.step .num{counter-increment:step;width:40px;height:40px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--violet),var(--cyan));color:#fff;font-family:var(--serif);font-weight:600;
  display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.step .num::before{content:counter(step)}
.step h4{margin:.1em 0 .25em}
.step p{margin:0;color:var(--ink-soft);font-size:.97rem}

/* dotted-leader spec list (audit ledger feel) */
.ledger{list-style:none;padding:0;margin:22px 0;border-top:1px solid var(--line)}
.ledger li{display:flex;align-items:baseline;gap:8px;padding:11px 2px;border-bottom:1px solid var(--line);font-size:15px}
.ledger .term{font-weight:600;color:var(--ink)}
.ledger .lead-dots{flex:1;border-bottom:1.5px dotted var(--line-strong);transform:translateY(-4px);margin:0 4px}
.ledger .val{font-family:var(--mono);color:var(--ink-soft);text-align:right}

/* CTA banner */
.cta-banner{background:linear-gradient(120deg,#1a1430,#241a4d 55%,#0c3b46);color:#fff;border-radius:20px;
  padding:40px 34px;text-align:center;margin:30px 0;position:relative;overflow:hidden;box-shadow:var(--shadow-lift)}
.cta-banner::before{content:"⚡";position:absolute;font-size:230px;opacity:.06;right:-10px;top:-40px;line-height:1}
.cta-banner h2{color:#fff;margin:.1em 0 .35em;position:relative}
.cta-banner p{color:#cfd3e6;max-width:620px;margin:0 auto 18px;position:relative}
.cta-banner .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-banner .btn-ghost:hover{border-color:#fff;color:#fff}

/* hero stats band on dark */
.band{background:linear-gradient(120deg,#1a1430,#0c3b46);color:#fff;border-radius:20px;padding:30px;margin:24px 0}
.band .stats .stat{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.band .stat .v{color:#fff}
.band .stat .k{color:#aeb6cf}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:var(--paper-2);overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 20px;font-family:var(--serif);font-weight:600;font-size:1.07rem;
  list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--mono);color:var(--violet);font-size:1.4rem;transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 20px 18px;color:var(--ink-soft)}
.faq-body p:last-child{margin:0}

/* related */
.related-grid .card h3{font-size:1.12rem}
.related-grid .card .muted{font-family:var(--mono);font-size:12.5px;margin:0}

/* author meta */
.byline{font-family:var(--mono);font-size:12.5px;color:var(--ink-dim);margin-top:16px}
.byline .pill{background:#ece8dd;border-radius:999px;padding:3px 10px;color:var(--ink-soft)}

/* ============================== FOOTER ============================== */
.site-footer{background:#14202e;color:#c3ccd9;margin-top:50px;padding:48px 0 28px;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:46px 46px}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:30px}
.footer-brand img{height:42px;filter:brightness(0) invert(1);opacity:.95;margin-bottom:12px}
.footer-brand p{font-size:14px;color:#9aa6b6;max-width:330px}
.footer-brand a{color:var(--cyan-2)}
.site-footer h5{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#7d8aa0;margin:0 0 12px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:8px 0}
.site-footer li a{color:#c3ccd9;font-size:14px}
.site-footer li a:hover{color:#fff}
.footer-disclaimer{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:22px}
.footer-disclaimer p{font-size:12.5px;color:#8a96a8;line-height:1.6}
.footer-disclaimer a{color:var(--cyan-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:14px;
  font-size:12px;color:#6f7c90;font-family:var(--mono)}

/* TOC */
.toc{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:8px 0 26px;box-shadow:var(--shadow)}
.toc .label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:8px}
.toc ul{list-style:none;padding:0;margin:0;columns:2;column-gap:30px}
.toc li{margin:5px 0}
.toc a{color:var(--ink-soft);font-size:14.5px}

/* ============================== RESPONSIVE ============================== */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  body{font-size:16px;background-size:38px 38px}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper-2);
    flex-direction:column;padding:14px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lift);gap:2px}
  .site-header.nav-open .main-nav{display:flex}
  .main-nav a{padding:11px 10px;font-size:16px;border-radius:8px}
  .header-right .btn-text{display:none}
  .hero{padding:38px 0 18px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .toc ul{columns:1}
  .cta-banner{padding:30px 22px}
  .footer-bottom{flex-direction:column}
}
@media(max-width:480px){
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .grade{width:64px;height:64px;font-size:2rem}
  .hero-cta .btn{width:100%;justify-content:center}
}

/* print / reduced motion */
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}