:root{
  --white:#FFFFFF;
  --frost:#F5F8FF;
  --frost-dim:#E6F1FF;
  --ink:#0B192C;
  --ink-soft:#4A5A73;
  --blue:#0B43D6;
  --cyan:#00A2FF;
  --light-sky:#5CCBFA;
  --labels:#7B8AA2;
  --line:rgba(11,25,44,0.10);
  --grad:linear-gradient(135deg,#00A2FF 0%,#0B43D6 100%);
  --font:"Figtree",system-ui,sans-serif;
  --display:"Outfit",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:linear-gradient(180deg,#FFFFFF 0%,#F5F8FF 100%);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.wrap{width:100%;max-width:760px;margin:0 auto;padding:0 28px;}

.topnav{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topnav-inner{
  max-width:1100px;margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:1.1rem;color:var(--blue);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:1rem;
}
.back{font-size:.95rem;font-weight:600;color:var(--ink-soft);padding:8px 12px;border-radius:999px;}
.back:hover{color:var(--blue);background:var(--frost);}

main{flex:1;padding:48px 0 72px;}
.kicker{color:var(--blue);font-size:.9rem;font-weight:700;margin-bottom:10px;}
h1{
  font-family:var(--display);
  font-weight:800;
  letter-spacing:-0.03em;
  font-size:clamp(1.9rem,3.5vw,2.6rem);
  line-height:1.12;
  color:var(--ink);
  margin-bottom:12px;
}
.lede{color:var(--ink-soft);font-size:1.05rem;max-width:54ch;margin-bottom:36px;}
.updated{font-size:.85rem;color:var(--labels);margin-bottom:28px;}

.prose h2{
  font-family:var(--display);
  font-weight:800;
  font-size:1.2rem;
  letter-spacing:-0.02em;
  color:var(--blue);
  margin:32px 0 10px;
}
.prose h3{
  font-family:var(--display);
  font-weight:700;
  font-size:1.05rem;
  margin:22px 0 8px;
  color:var(--ink);
}
.prose p,.prose li{color:var(--ink-soft);margin-bottom:12px;}
.prose ul{padding-left:1.2rem;margin-bottom:16px;}
.prose li{margin-bottom:8px;}
.prose a{color:var(--blue);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.prose strong{color:var(--ink);font-weight:700;}
.note{
  margin-top:28px;padding:16px 18px;border-radius:14px;
  background:var(--frost);border:1px solid var(--line);
  color:var(--ink-soft);font-size:.95rem;
}

.card-list{display:grid;gap:14px;margin:24px 0;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;
}
.card h3{font-family:var(--display);font-weight:800;font-size:1.05rem;margin-bottom:6px;color:var(--ink);}
.card p{color:var(--ink-soft);font-size:.95rem;margin:0;}
.card .meta{font-size:.82rem;color:var(--labels);margin-top:10px;font-weight:600;}

.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad);color:#fff;padding:13px 22px;border-radius:999px;
  font-weight:700;font-size:.95rem;
}
.btn:hover{opacity:.94;}
.btn-ghost{
  display:inline-flex;align-items:center;
  border:1.5px solid var(--line);background:#fff;color:var(--ink);
  padding:12px 20px;border-radius:999px;font-weight:700;font-size:.95rem;
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--blue);}

.page-foot{
  border-top:1px solid var(--line);
  padding:22px 28px 36px;
  color:var(--labels);font-size:.85rem;
}
.page-foot .wrap{max-width:1100px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;}
.page-foot a{color:var(--blue);font-weight:600;}

@media (max-width:560px){
  .topnav-inner,.wrap{padding-left:20px;padding-right:20px;}
  main{padding:36px 0 56px;}
}