:root{
  --ink:#17202a;--muted:#65717f;--paper:#f9fbfd;--card:#fff;--purple:#6b4eff;
  --green:#19b394;--line:#e5e9ef;--soft:#f1efff;--max:1180px;--side:285px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:#513bd7;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:auto;padding:0 22px}
header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(8px)}
.topbar{min-height:72px;display:flex;align-items:center;gap:22px}
.brand{font-weight:900;color:var(--ink);letter-spacing:-.035em;font-size:1.18rem;white-space:nowrap}
.brand span{color:var(--purple)}
nav{display:flex;gap:17px;align-items:center;flex:1;justify-content:center}nav a{font-size:.92rem;color:var(--ink);font-weight:650}
.btn{display:inline-block;background:var(--purple);color:#fff!important;padding:12px 18px;border-radius:11px;font-weight:800;line-height:1.25;text-decoration:none!important}
.btn:hover{filter:brightness(.96)}.btn.dark{background:var(--ink)}.btn.small{font-size:.9rem;padding:10px 14px}
.hero{padding:76px 0 52px;background:linear-gradient(145deg,#f0edff,#f4fffb)}
.hero h1{font-size:clamp(2.6rem,6vw,5rem);line-height:1.01;letter-spacing:-.06em;max-width:930px;margin:0 0 22px}
.hero p{max-width:760px;color:var(--muted);font-size:1.18rem}
.kicker{font-size:.77rem;letter-spacing:.11em;text-transform:uppercase;font-weight:850;color:var(--purple)}
main{padding:44px 0 74px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;box-shadow:0 8px 32px rgba(30,40,60,.035)}
.card h3{margin:.1rem 0 .55rem;line-height:1.25}.card p{color:var(--muted);margin:.2rem 0 1rem}
.content-shell{display:grid;grid-template-columns:minmax(0,820px) var(--side);gap:32px;align-items:start;max-width:var(--max);margin:auto;padding:0 22px}
article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(25px,5vw,54px)}
article h1{font-size:clamp(2.25rem,5vw,3.7rem);line-height:1.07;letter-spacing:-.05em;margin:.35rem 0 1rem}
article h2{line-height:1.19;margin-top:2.15em;letter-spacing:-.025em}article h3{line-height:1.25;margin-top:1.6em}
.lede{font-size:1.16rem;color:var(--muted)}.crumb{font-size:.88rem;color:var(--muted);margin-bottom:20px}
.note,.cta-box{border-radius:15px;padding:21px;margin:27px 0}.note{background:#f5f7fa}.cta-box{background:var(--soft);border:1px solid #ddd7ff}
.cta-box p{margin:.4rem 0 1rem}.disclosure{font-size:.86rem;color:var(--muted)}
.sidebar{position:sticky;top:96px}.sidebox{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px}.sidebox h3{margin:0 0 .5rem;line-height:1.25}.sidebox p{font-size:.94rem;color:var(--muted);margin:.4rem 0 1rem}.side-links a{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-size:.93rem}.side-links a:last-child{border-bottom:0}
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.94rem}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f7f8fb}
footer{border-top:1px solid var(--line);background:#fff;padding:38px 0;color:var(--muted);font-size:.91rem}
.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footergrid a{display:block;margin:5px 0}
.mobile-cta{display:none}
@media(max-width:930px){
 nav{display:none}.topbar{justify-content:space-between}.header-cta{display:block}
 .content-shell{grid-template-columns:1fr}.sidebar{position:static}.grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
 .grid{grid-template-columns:1fr}.hero{padding:52px 0 38px}.header-cta{font-size:.82rem;padding:9px 11px}
 .brand{font-size:1.02rem}.content-shell{padding:0}article{border-radius:0;border-left:0;border-right:0}
 .sidebar{padding:0 18px}.footergrid{grid-template-columns:1fr}.mobile-cta{display:block;position:fixed;left:14px;right:14px;bottom:14px;z-index:40;text-align:center;box-shadow:0 10px 35px rgba(30,30,50,.22)}
 body{padding-bottom:75px}
}