:root{
  --bg:#f8f9fb;
  --bg-2:#f0f2f5;
  --surface:#ffffff;
  --border:rgba(0,0,0,.07);
  --border-2:rgba(0,0,0,.12);
  --text:#1a1e2b;
  --text-2:#4a5568;
  --text-3:#8694a7;
  --accent:#0c87c9;
  --accent-2:rgba(12,135,201,.12);
  --accent-3:rgba(12,135,201,.06);
  --gold:#c08a20;
  --green:#0f9b6e;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"DM Sans","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(248,249,251,.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1080px;margin:0 auto;
  padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
}
@media(max-width:600px){ .nav-inner{padding:14px 20px} }
.brand{
  display:flex;align-items:center;gap:10px;
  font-family:"Inter",sans-serif;
  font-size:22px;font-weight:600;
  color:var(--text);text-decoration:none;
  letter-spacing:-.02em;line-height:1;
}
.brand:hover{text-decoration:none}
.brand .mark{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg, var(--accent) 0%, #0c87c9 100%);
  display:flex;align-items:center;justify-content:center;
  color:#ffffff;font-family:"DM Sans",sans-serif;
  font-size:14px;font-weight:700;
  box-shadow:0 2px 10px rgba(12,135,201,.25);
}
.brand .name{display:flex;flex-direction:column;line-height:1.05}
.brand .name small{
  font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-3);margin-top:3px;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text);font-weight:600;
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--border-2);
  background:rgba(0,0,0,.02);
  transition:border-color .15s ease, background .15s ease;
}
.nav-cta:hover{border-color:var(--accent);background:var(--accent-3);text-decoration:none}
.nav-cta .dot{
  width:6px;height:6px;border-radius:50%;background:var(--green);
  box-shadow:0 0 6px rgba(15,155,110,.4);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{opacity:1} 50%{opacity:.4} }
@media(max-width:520px){
  .nav-cta .num{display:none}
  .nav-cta::after{content:"Call"}
}
.nav-link{font-size:14px;font-weight:600;color:var(--text-2)}
.nav-link:hover{color:var(--accent);text-decoration:none}
@media(max-width:460px){ .nav-link{display:none} }

.article-wrap{max-width:760px;margin:0 auto;padding:56px 24px 96px}
@media(max-width:600px){ .article-wrap{padding:40px 20px 80px} }
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-2)}
.label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;
  color:var(--accent);
  background:var(--accent-3);
  border:1px solid var(--accent-2);
  padding:8px 14px;border-radius:999px;
  margin-bottom:18px;
}
h1{
  font-family:"Inter",sans-serif;
  font-size:clamp(30px,5vw,44px);
  line-height:1.15;font-weight:700;
  letter-spacing:-.03em;margin:0 0 14px;
}
.byline{font-size:14px;color:var(--text-3);margin-bottom:36px}
.byline a{color:var(--text-2);font-weight:600}
article h2{
  font-family:"Inter",sans-serif;
  font-size:26px;font-weight:600;letter-spacing:-.02em;
  margin:44px 0 14px;line-height:1.25;
}
article h3{
  font-size:19px;font-weight:600;margin:32px 0 10px;letter-spacing:-.01em;
}
article p{margin:0 0 16px;font-size:16.5px;color:var(--text-2)}
article li{font-size:16.5px;color:var(--text-2);margin-bottom:8px}
article strong{color:var(--text)}
.lede{font-size:19px;line-height:1.55;color:var(--text-2)}

table{
  width:100%;border-collapse:collapse;margin:20px 0 24px;
  background:var(--surface);border:1px solid var(--border-2);
  border-radius:var(--radius);overflow:hidden;
  font-size:15px;
}
th{
  text-align:left;padding:12px 16px;
  background:var(--bg-2);color:var(--text);
  font-weight:600;font-size:13px;
  text-transform:uppercase;letter-spacing:.06em;
  border-bottom:1px solid var(--border-2);
}
td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-2);vertical-align:top}
tr:last-child td{border-bottom:none}
td.good{color:var(--green);font-weight:600}
@media(max-width:600px){
  table{font-size:13.5px}
  th,td{padding:10px 10px}
}

.note{
  background:var(--surface);
  border:1px solid var(--accent-2);
  border-left:3px solid var(--accent);
  border-radius:10px;
  padding:16px 20px;margin:24px 0;
  font-size:15px;color:var(--text-2);
}
.note strong{color:var(--text)}

.cta-box{
  background:var(--surface);
  border:1px solid rgba(12,135,201,.3);
  border-radius:var(--radius);
  padding:28px;margin:36px 0;
  text-align:center;
  box-shadow:0 8px 30px rgba(0,0,0,.05);
}
.cta-box h3{margin:0 0 6px;font-size:21px}
.cta-box p{margin:0 0 18px;font-size:15px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 24px;border-radius:10px;
  font-weight:600;font-size:15px;
  text-decoration:none;cursor:pointer;
  transition:transform .15s ease, background .15s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#ffffff}
.btn-primary:hover{background:#0a6fa8;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border-2)}
.btn-ghost:hover{background:rgba(0,0,0,.04);color:var(--text)}
.cta-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

.faq-item{
  background:var(--surface);
  border:1px solid var(--border-2);
  border-radius:var(--radius);
  margin-bottom:12px;
}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:16px 20px;
  font-size:15.5px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:"Inter",sans-serif;
  font-size:20px;font-weight:400;color:var(--accent);
  flex-shrink:0;line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 20px 16px;font-size:15px}

.more-guides{
  margin-top:48px;padding-top:32px;
  border-top:1px solid var(--border-2);
}
.more-guides h3{margin:0 0 14px;font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}
.more-guides a{
  display:block;padding:14px 18px;margin-bottom:10px;
  background:var(--surface);border:1px solid var(--border-2);
  border-radius:10px;font-weight:600;font-size:15px;color:var(--text);
  transition:border-color .15s ease;
}
.more-guides a:hover{border-color:var(--accent);text-decoration:none}
.more-guides a span{display:block;font-weight:400;font-size:13.5px;color:var(--text-3);margin-top:2px}

footer{
  background:#f0f2f5;color:var(--text-3);
  padding:32px 0 96px;text-align:center;font-size:13px;
  border-top:1px solid var(--border);
}
footer a{color:var(--text-2)}
@media(min-width:800px){ footer{padding:32px 0} }

.sticky-call{
  position:fixed;left:0;right:0;bottom:0;
  background:var(--accent);color:#ffffff;
  padding:14px 18px;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  box-shadow:0 -4px 20px rgba(0,0,0,.12);
  z-index:50;font-weight:700;
}
.sticky-call a{color:#ffffff;text-decoration:none}
.sticky-call .sticky-side{flex:1;min-width:0}
.sticky-call .label-sm{font-size:11px;font-weight:600;opacity:.8;display:block;text-transform:uppercase;letter-spacing:.08em}
.sticky-call .num{font-size:18px;display:block;font-weight:700}
.sticky-call .pill{
  background:#ffffff;color:var(--accent);
  padding:10px 18px;border-radius:999px;
  font-weight:700;font-size:13px;
  text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;
}
@media(min-width:800px){ .sticky-call{display:none} }