:root{
  --bg:#f3f5f7;
  --card:#ffffff;
  --text:#0b1220;
  --muted:#475569;
  --line:#e5e7eb;
  --accent:#14b8a6;
  --accent2:#0ea5e9;
  --shadow: 0 10px 28px rgba(2,6,23,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
}
a{color:#0b5bd3;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1040px;margin:0 auto;padding:0 18px}
header.site-header{
  background: radial-gradient(1200px 220px at 50% 0%, rgba(20,184,166,.25), transparent 55%),
              linear-gradient(180deg, #0b1220 0%, #070b14 100%);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:18px 0;
  flex-wrap:wrap;
}
.brand{
  display:flex;
  align-items:flex-start;
  gap:12px;
  min-width:260px;
}
.brand img{width:34px;height:34px;display:block}
.brand-name{
  display:flex;
  flex-direction:column;
  gap:2px;
  line-height:1.1;
}
.brand-name .title{
  font-size:22px;
  font-weight:800;
  letter-spacing:.2px;
}
.brand-name .tagline{
  font-size:12px;
  color:rgba(255,255,255,.72);
  letter-spacing:.5px;
  text-transform:uppercase;
}
nav.topnav{
  display:flex;
  gap:16px;
  align-items:center;
  flex-wrap:wrap;
  padding-top:4px;
}
nav.topnav a{
  color:rgba(255,255,255,.88);
  font-weight:600;
  font-size:14px;
  padding:8px 10px;
  border-radius:10px;
}
nav.topnav a:hover{
  background:rgba(255,255,255,.08);
  text-decoration:none;
}
main{padding:30px 0 44px}
.hero{
  display:grid;
  grid-template-columns: 1.4fr .9fr;
  gap:18px;
  align-items:start;
  margin-top:8px;
}
@media (max-width: 860px){
  .hero{grid-template-columns:1fr}
}
h1{font-size:56px;line-height:1.05;margin:0 0 10px}
@media (max-width: 860px){h1{font-size:42px}}
.lead{font-size:18px;color:var(--muted);margin:0 0 14px}
.bullets{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 18px;
  padding:0;
  margin:10px 0 18px;
  list-style:none;
}
.bullets li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--text);
}
.check{
  width:22px;height:22px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,184,166,.14);
  color:#0b7a6f;
  font-weight:900;
  flex:0 0 auto;
  margin-top:1px;
}
@media (max-width: 680px){
  .bullets{grid-template-columns:1fr}
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
}
.card.pad{padding:18px}
.note h3{margin:0 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:#334155}
.note p{margin:0;color:var(--muted)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid rgba(2,6,23,.12);
  background: linear-gradient(180deg, #111827, #0b1220);
  color:#fff;
  font-weight:800;
  text-decoration:none;
  box-shadow: 0 10px 18px rgba(2,6,23,.16);
}
.btn:hover{filter:brightness(1.06);text-decoration:none}
.btn.accent{
  background: linear-gradient(180deg, var(--accent2), var(--accent));
  border-color: rgba(255,255,255,.0);
}
.btn.small{padding:10px 14px;border-radius:12px;font-size:14px}
.btn .btn-top, .btn .btn-bottom{display:block; text-align:center; line-height:1.05}
.btn .btn-top{opacity:.95; font-size:12px; font-weight:800; letter-spacing:.02em}
.btn .btn-bottom{font-size:16px}
.chips{
  display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 12px;
  border-radius:999px;
  background:#f8fafc;
  border:1px solid var(--line);
  color:#0b1220;
  font-weight:700;
  font-size:14px;
}
.section-title{margin:34px 0 8px;font-size:34px;line-height:1.15}
.section-sub{margin:0 0 18px;color:var(--muted)}
.grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
@media (max-width: 860px){.grid{grid-template-columns:1fr}}
.pick .kicker{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#64748b;
  font-weight:800;
  margin-bottom:8px;
}
.pick h3{margin:0 0 8px;font-size:22px}
.pick p{margin:0 0 14px;color:var(--muted)}
.footer{
  padding:26px 0;
  color:#64748b;
  font-size:14px;
}
hr.sep{border:0;border-top:1px solid var(--line);margin:28px 0}
.guides-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:14px;
}
@media (max-width: 860px){.guides-list{grid-template-columns:1fr}}
.guide-item{padding:16px}
.guide-item h3{margin:0 0 6px;font-size:18px}
.guide-item p{margin:0 0 10px;color:var(--muted)}
.meta{font-size:13px;color:#64748b}
article h2{margin-top:26px}
article p{margin:10px 0}
article ul{margin:10px 0 10px 18px}
.callout{
  border-left:4px solid rgba(20,184,166,.6);
  padding:12px 14px;
  background: rgba(20,184,166,.08);
  border-radius:14px;
  color:#0b1220;
}