/* help.askpay.co — same tokens as app/public/site.css (the marketing pages), plus the
   help-center layout: search in the header, category cards, a sidebar of topics. */
:root{
  --blue:#1d4ed8; --blue-dark:#1e3a8a; --blue-soft:#eff6ff;
  --green:#059669; --green-soft:#ecfdf5;
  --ink:#0f172a; --muted:#5f6368; --line:#dfe1e5; --bg:#f8f9fa;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Heebo',system-ui,sans-serif;background:#fff;color:var(--ink);font-size:16px;line-height:1.7;min-height:100dvh;display:flex;flex-direction:column}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* ===== header ===== */
.site-header{border-bottom:1px solid #eceff1;background:#fff;position:sticky;top:0;z-index:20}
.site-header nav{max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:12px 20px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--blue-dark);white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-help{font-size:14px;font-weight:600;color:var(--muted);border-inline-start:1px solid var(--line);padding-inline-start:10px}
.nav-links{display:flex;align-items:center;gap:18px;font-size:14.5px;margin-inline-start:auto}
.nav-links a{color:var(--ink);font-weight:500}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav-cta{background:var(--blue);color:#fff !important;padding:7px 18px;border-radius:999px;font-weight:600}
.nav-cta:hover{background:var(--blue-dark);text-decoration:none}

/* search */
.search{position:relative;flex:1;min-width:240px;max-width:520px}
.search input{width:100%;padding:10px 40px 10px 14px;border:1.5px solid var(--line);border-radius:999px;font:inherit;font-size:14.5px;background:var(--bg);color:var(--ink)}
.search input:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px var(--blue-soft)}
.search::before{content:"";position:absolute;inset-inline-end:14px;top:50%;width:16px;height:16px;transform:translateY(-50%);background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");pointer-events:none}
.results{position:absolute;top:calc(100% + 8px);inset-inline:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 30px rgba(15,23,42,.14);max-height:60vh;overflow:auto;padding:6px}
.results a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink)}
.results a:hover,.results a.sel{background:var(--blue-soft);text-decoration:none}
.results b{display:block;font-size:14.5px;color:var(--blue-dark)}
.results span{display:block;font-size:13px;color:var(--muted);line-height:1.5}
.results .cat{font-size:12px;color:var(--muted)}
.results .none{padding:12px;color:var(--muted);font-size:14px}

/* ===== content ===== */
main.content{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:36px 20px 64px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted);text-decoration:underline;text-underline-offset:2px}
.crumbs a:hover{color:var(--ink)}
.hero{text-align:center;padding:26px 0 30px}
.hero h1{font-size:clamp(28px,5vw,40px);font-weight:800;color:var(--blue-dark);letter-spacing:-.5px}
.lead{font-size:17.5px;color:var(--muted);margin-top:10px}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:10px}
.cat-card{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--ink);transition:box-shadow .15s,transform .15s,border-color .15s}
.cat-card:hover{text-decoration:none;border-color:var(--blue);box-shadow:0 4px 16px rgba(29,78,216,.1);transform:translateY(-2px)}
.cat-icon{width:40px;height:40px;border-radius:12px;background:var(--blue-soft);color:var(--blue-dark);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.cat-card b{font-size:16px}
.cat-desc{font-size:13.5px;color:var(--muted);line-height:1.5}
.cat-count{font-size:12.5px;color:var(--blue);margin-top:auto;padding-top:6px}

.popular{margin-top:44px}
.popular h2{font-size:20px;font-weight:700}
.popular ul{list-style:none;margin-top:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:6px 24px}
.popular li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #eceff1;font-size:15px}
.popular li span{color:var(--muted);font-size:13px;white-space:nowrap}

/* topic layout: sidebar + article */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:40px;align-items:start}
.side{position:sticky;top:76px;border-inline-end:1px solid #eceff1;padding-inline-end:18px;font-size:14px}
.side-title{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.3px;margin-bottom:8px}
.side-cat > a{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:9px;color:var(--ink);font-weight:500}
.side-cat > a:hover{background:var(--bg);text-decoration:none}
.side-cat.on > a{background:var(--blue-soft);color:var(--blue-dark);font-weight:700}
.side-cat ul{list-style:none;margin:4px 0 8px;padding-inline-start:22px;display:grid;gap:2px}
.side-cat ul a{display:block;padding:4px 8px;border-radius:7px;color:var(--muted);font-size:13.5px;line-height:1.4}
.side-cat ul a:hover{color:var(--ink);background:var(--bg);text-decoration:none}

article{max-width:760px}
article h1{font-size:clamp(26px,4vw,34px);font-weight:800;color:var(--blue-dark);line-height:1.25;letter-spacing:-.5px;display:flex;align-items:center;gap:10px}
article h1 svg{color:var(--blue)}
article h2{font-size:21px;font-weight:700;margin-top:34px;line-height:1.35}
article h3{font-size:17px;font-weight:700;margin-top:24px}
article h4{font-size:15.5px;font-weight:700;margin-top:18px}
article p{margin-top:12px}
article ul,article ol{padding-inline-start:22px;margin-top:12px;display:grid;gap:7px}
article strong{font-weight:700}
article code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;direction:ltr;unicode-bidi:embed}
article pre{margin-top:14px;padding:14px 16px;background:#0f172a;color:#e2e8f0;border-radius:12px;overflow:auto;font-size:13.5px;line-height:1.55;text-align:left}
article pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.note{background:var(--green-soft);border-radius:14px;padding:14px 18px;margin-top:16px;font-size:15px}
.table-wrap{overflow-x:auto;margin-top:16px}
article table{border-collapse:collapse;width:100%;font-size:14.5px}
article th,article td{border:1px solid var(--line);padding:9px 12px;text-align:right;vertical-align:top}
article th{background:var(--bg);font-weight:700}

.art-list{list-style:none;margin-top:18px;display:grid;gap:10px;padding:0}
.art-list a{display:flex;flex-direction:column;gap:3px;border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--ink)}
.art-list a:hover{text-decoration:none;border-color:var(--blue);background:var(--blue-soft)}
.art-list b{font-size:15.5px;color:var(--blue-dark)}
.art-list span{font-size:13.5px;color:var(--muted)}

.art-nav{display:flex;justify-content:space-between;gap:12px;margin-top:40px;padding-top:18px;border-top:1px solid #eceff1;font-size:14px}
.art-nav .next{margin-inline-start:auto}
.art-help{margin-top:18px;font-size:13.5px;color:var(--muted)}

.cta-box{background:var(--blue-soft);border-radius:20px;padding:28px 24px;text-align:center;margin-top:48px}
.cta-box p{font-size:17px;font-weight:600;color:var(--blue-dark)}
.cta-btn{display:inline-block;margin-top:14px;background:var(--blue);color:#fff !important;padding:11px 28px;border-radius:999px;font-weight:700;font-size:15.5px}
.cta-btn:hover{background:var(--blue-dark);text-decoration:none}

/* ===== footer ===== */
.site-footer{background:#f2f2f2;color:var(--muted);font-size:13px;margin-top:auto}
.site-footer .frow{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding:13px 24px;border-top:1px solid #e4e4e4;max-width:1200px;margin:0 auto}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--ink)}
.site-footer .flinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

@media (max-width:820px){
  .layout{grid-template-columns:1fr;gap:20px}
  .side{position:static;border:0;padding:0;border-bottom:1px solid #eceff1;padding-bottom:12px}
  .side-cat:not(.on){display:none}
  .site-header nav{gap:12px}
  .search{order:3;flex-basis:100%;max-width:none}
  .nav-links{margin-inline-start:auto}
}