/* PayTrader guides — shared stylesheet (Web Design System v1 tokens, blue accent).
   Mirrors the legal-page nav/footer so guides sit inside the same site chrome. */
:root{
  --ink:#1A1A2E; --body:#4A4E5A; --muted:#5F6370; --bg:#FAFAF9; --card:#FFFFFF;
  --blue-900:#0A2E5C; --blue:#0057B8; --blue-500:#3D82D6; --blue-100:#DCEAFB;
  --green-900:#0F4D31; --green:#15804E; --green-500:#34C97E; --green-100:#D9F5E7;
  --line:#E7E5DF;
  --a-900:var(--blue-900); --a:var(--blue); --a-500:var(--blue-500); --a-100:var(--blue-100);
  --r-btn:8px;
  --shadow:0 10px 30px rgba(10,13,18,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"DM Sans",-apple-system,system-ui,sans-serif;font-size:17px;line-height:1.7;color:var(--body);background:var(--bg)}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:16px;padding:14px 22px;border-radius:var(--r-btn);border:0;cursor:pointer;transition:filter .15s;text-decoration:none}
.btn-primary{background:var(--a);color:#fff}
.btn-primary:hover{filter:brightness(.92)}
.btn:focus-visible,a:focus-visible{outline:3px solid var(--a-500);outline-offset:2px}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--a);color:#fff;padding:10px 16px;border-radius:8px;font-weight:700}
.skip-link:focus{top:12px}

/* nav */
header{position:sticky;top:0;z-index:50;background:rgba(250,250,249,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:20px;letter-spacing:-0.02em;text-decoration:none}
.logo b{color:var(--blue)} .logo span{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:8px;list-style:none}
.nav-links a{color:var(--ink);font-weight:600;font-size:15px;padding:8px 16px;border-radius:999px;text-decoration:none}
.nav-links a:hover{background:var(--a-100)}
.nav-links a.active{background:var(--a-100);color:var(--a-900)}
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{background:var(--a);color:#fff}
.nav .btn{padding:10px 18px}

/* article */
main.guide{max-width:72ch;margin:0 auto;padding:48px 24px 88px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.guide h1{font-weight:800;font-size:clamp(32px,5.2vw,48px);color:var(--ink);letter-spacing:-0.02em;line-height:1.08;margin-bottom:14px;text-wrap:balance}
.guide .meta{font-size:14px;color:var(--muted);margin-bottom:28px}
.guide .lead{font-size:19px;color:var(--ink);line-height:1.6;margin-bottom:28px}
.guide h2{font-weight:800;font-size:26px;color:var(--ink);letter-spacing:-0.01em;margin:44px 0 12px;line-height:1.2;text-wrap:balance}
.guide h3{font-weight:700;font-size:19px;color:var(--ink);margin:28px 0 8px}
.guide p{margin-bottom:16px}
.guide ul,.guide ol{margin:0 0 18px 24px}
.guide li{margin-bottom:9px}
.guide a{color:var(--a);text-decoration:underline;text-underline-offset:3px}
.guide a:hover{color:var(--a-900)}
.guide strong{color:var(--ink)}
.checklist{list-style:none;margin-left:0!important;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.checklist li{position:relative;padding-left:30px}
.checklist li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--green-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.5 2.5L14 7.5' stroke='%2315804E' stroke-width='2.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0 26px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.guide table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.guide caption{text-align:left;font-weight:700;color:var(--ink);padding:12px 14px 0;font-size:15px}
.guide th{background:var(--a);color:#fff;font-weight:700;padding:10px 14px;text-align:left;font-size:14px}
.guide td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.guide tr:last-child td{border-bottom:none}
.guide td.num,.guide th.num{text-align:right;white-space:nowrap}
.note{font-size:14px;color:var(--muted)}
.pt-box{background:var(--a-100);border-radius:16px;padding:24px 26px;margin:40px 0}
.pt-box h2{margin-top:0;font-size:22px}
.pt-box ol{margin-bottom:14px}
.pt-box .btn{text-decoration:none;margin-top:6px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;color:var(--ink);cursor:pointer}
.faq details p{margin:10px 0 0}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0 8px}
.related a{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);font-weight:700}
.related a span{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:4px}
.related a:hover{border-color:var(--a-500)}
.sources{font-size:14px;color:var(--muted)}
.sources li{margin-bottom:6px}
.disclaimer{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:36px}

/* guides index */
.guide-list{display:grid;gap:12px;margin:12px 0 26px}
.guide-list a{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;text-decoration:none;color:var(--ink);font-weight:800;font-size:19px}
.guide-list a span{display:block;font-weight:400;font-size:15px;color:var(--muted);margin-top:4px}
.guide-list a:hover{border-color:var(--a-500)}

/* footer */
footer{background:var(--ink);color:#C9CBD4;padding:64px 0 40px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:44px}
footer h2{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
footer a{color:#C9CBD4;display:block;margin-bottom:10px;text-decoration:none}
footer a:hover{color:#fff}
.foot-manage{background:none;border:0;font:inherit;font-size:14px;color:#C9CBD4;cursor:pointer;padding:0;margin-bottom:10px;display:block;text-align:left}
.foot-manage:hover{color:#fff}
.foot-company{border-top:1px solid rgba(255,255,255,.14);padding-top:24px;font-size:12.5px;color:#A4A7B1;line-height:1.7}

@media (max-width:640px){
  body{font-size:16px}
  .nav-links li:not(:last-child){display:none}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .related{grid-template-columns:1fr}
  .guide .lead{font-size:18px}
  .guide table{min-width:0;font-size:14px}
  .guide th,.guide td{padding:8px 9px}
  .guide td.num,.guide th.num{white-space:normal}
}