:root{--bg:#f7f5fc;--line:rgba(30,15,70,.09);--text:#16122a;--muted:#5d5878;--dim:#9893b0;--p:#7c3aed;--grad:linear-gradient(100deg,#8b5cf6 0%,#c084fc 45%,#fb7185 75%,#f97316 100%)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:17px/1.7 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--p)}
h1,h2,h3,h4{font-family:"Space Grotesk",sans-serif;letter-spacing:-.02em;line-height:1.15}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:500 12px/1 "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--p);padding:8px 14px;border:1px solid rgba(168,85,247,.3);border-radius:99px;background:rgba(139,92,246,.08);text-decoration:none}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:#f97316;box-shadow:0 0 10px #f97316}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;border-radius:99px;font:600 15px Inter,sans-serif;text-decoration:none;border:0;cursor:pointer;transition:transform .25s,box-shadow .3s}
.btn-p{background:linear-gradient(135deg,#8b5cf6,#a855f7);color:#fff;box-shadow:0 10px 30px -8px rgba(139,92,246,.8)}
.btn-p:hover{transform:translateY(-2px)}
.btn-g{background:#fff;color:var(--text);border:1px solid var(--line)}
/* logo */
.lm{--s:32px;width:var(--s);height:var(--s);perspective:calc(var(--s) * 6);display:inline-block;flex:none}
.lm-in{display:block;position:relative;width:100%;height:100%;transform-style:preserve-3d;animation:lmidle 6s ease-in-out infinite}
.lm-f,.lm-b,.lm-sl{position:absolute;inset:0;border-radius:23%}
.lm-f,.lm-b{background:linear-gradient(135deg,#8a5cf6 0%,#c35fa9 52%,#f46d5e 100%);overflow:hidden;box-shadow:inset 0 calc(var(--s) * .035) calc(var(--s) * .04) rgba(255,255,255,.5),inset 0 calc(var(--s) * -.05) calc(var(--s) * .09) rgba(60,0,60,.3)}
.lm-b{transform:translateZ(calc(var(--s) * -.15)) rotateY(180deg)}
.lm-sl{transform:translateZ(calc(var(--s) * -.03 * var(--k)));background:linear-gradient(135deg,#5a37c9,#9b3f8a 55%,#b9483f)}
.lm svg{position:absolute;inset:0;width:100%;height:100%;filter:drop-shadow(0 calc(var(--s) * .03) calc(var(--s) * .025) rgba(30,0,50,.55))}
.lm-f:before{content:"";position:absolute;inset:0;z-index:2;background:radial-gradient(120% 75% at 22% -5%,rgba(255,255,255,.6),rgba(255,255,255,0) 48%)}
.lm-f:after{content:"";position:absolute;z-index:3;top:-50%;left:-90%;width:45%;height:200%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);transform:rotate(22deg);animation:lmsheen 4.6s ease-in-out infinite}
@keyframes lmsheen{0%,58%{left:-90%}82%,100%{left:150%}}
@keyframes lmidle{0%,100%{transform:rotateY(-20deg) rotateX(10deg)}50%{transform:rotateY(20deg) rotateX(-6deg)}}
@keyframes lmspin{to{transform:rotateY(360deg)}}
.logo:hover .lm-in{animation:lmspin 1.1s cubic-bezier(.65,0,.25,1)}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(247,245,252,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:flex;align-items:center;gap:11px;font:700 16px "Space Grotesk";color:var(--text);text-decoration:none}
.nav-l{display:flex;gap:22px;margin-left:auto;font-size:14.5px}
.nav-l a{color:var(--muted);text-decoration:none}
.nav-l a:hover,.nav-l a.on{color:var(--text)}
.nav .btn{padding:10px 18px;font-size:14px}
.prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:60}
/* hero */
.phero{position:relative;padding:70px 0 40px;overflow:hidden}
.phero:before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 85% 0%,rgba(168,85,247,.16),transparent 70%),radial-gradient(600px 300px at 0% 100%,rgba(251,113,133,.10),transparent 70%);pointer-events:none}
.crumbs{font-size:13px;color:var(--dim);margin-bottom:18px;position:relative}
.crumbs a{color:var(--muted);text-decoration:none}
.phero h1{font-size:clamp(34px,5vw,58px);font-weight:700;max-width:900px;margin:18px 0 16px;position:relative}
.phero .lede{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:760px;position:relative}
.byline{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:22px;font-size:14px;color:var(--muted);position:relative}
.byline .av{width:38px;height:38px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#fff;font:700 13px "Space Grotesk"}
/* article */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr) 300px;gap:44px;padding:30px 0 90px}
.toc{position:sticky;top:96px;align-self:start;font-size:14px}
.toc b{display:block;font:500 11px "JetBrains Mono";letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.toc a{display:block;color:var(--muted);text-decoration:none;padding:6px 0 6px 12px;border-left:2px solid var(--line);line-height:1.4}
.toc a.on{color:var(--p);border-color:var(--p)}
.prose{min-width:0}
.prose h2{font-size:clamp(26px,2.6vw,34px);margin:52px 0 16px;scroll-margin-top:90px}
.prose h3{font-size:22px;margin:32px 0 10px;scroll-margin-top:90px}
.prose p,.prose ul,.prose ol{margin:0 0 18px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:6px 0}
.prose strong{color:var(--text)}
.prose table{width:100%;border-collapse:separate;border-spacing:0;margin:10px 0 26px;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:block;overflow-x:auto}
.prose th,.prose td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:#f3effc;font:600 13px Inter;color:#4c1d95;white-space:nowrap}
.prose tr:last-child td{border-bottom:0}
.callout{padding:18px 20px;border-radius:16px;background:#fff;border:1px solid rgba(124,58,237,.18);border-left:4px solid #8b5cf6;margin:22px 0;font-size:16px}
.callout.warn{border-left-color:#f97316}
.keybox{padding:22px 24px;border-radius:20px;background:#14102a;color:#ecebf5;margin:0 0 30px}
.keybox b{color:#fff}
.keybox ul{margin:10px 0 0;padding-left:20px}
.keybox li{margin:6px 0}
.cta-box{margin:40px 0;padding:30px;border-radius:24px;background:linear-gradient(135deg,#8b5cf6,#c35fa9 55%,#f46d5e);color:#fff;position:relative;overflow:hidden}
.cta-box h3{font-size:26px;margin:0 0 8px;color:#fff}
.cta-box p{opacity:.92;margin-bottom:18px}
.cta-box .btn{background:#fff;color:#5b21b6}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 20px;margin-bottom:10px}
.faq-list summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";float:right;color:var(--p);font-size:20px;line-height:1}
.faq-list details[open] summary:after{content:"–"}
.faq-list details p{color:var(--muted);padding-bottom:16px;margin:0}
.side{position:sticky;top:96px;align-self:start;display:grid;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 20px 40px -32px rgba(60,30,120,.4)}
.card h4{font-size:17px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.card .btn{width:100%;justify-content:center;font-size:14px}
.card ul{list-style:none;font-size:14.5px}
.card li{padding:8px 0;border-bottom:1px solid var(--line)}
.card li:last-child{border:0}
.card li a{color:var(--text);text-decoration:none}
.card li a:hover{color:var(--p)}
/* listing */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:20px 0 90px}
.post-c{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;text-decoration:none;color:var(--text);transition:transform .3s,box-shadow .3s}
.post-c:hover{transform:translateY(-4px);box-shadow:0 30px 50px -30px rgba(60,30,120,.5)}
.post-c small{font:500 11px "JetBrains Mono";letter-spacing:.12em;text-transform:uppercase;color:var(--p)}
.post-c h2,.post-c h3{font-size:21px}
.post-c p{color:var(--muted);font-size:15px;flex:1}
.post-c span{font-size:14px;color:var(--p);font-weight:600}
/* tools */
.tool{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;margin:10px 0 40px}
.tool .card{padding:26px}
.field{display:grid;gap:6px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600}
.field small{color:var(--dim);font-size:12.5px}
.field input,.field select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(30,15,70,.15);font:16px Inter,sans-serif;background:#fbfaff;color:var(--text)}
.field input:focus,.field select:focus{outline:none;border-color:#a855f7;box-shadow:0 0 0 3px rgba(168,85,247,.15)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:inline-flex;padding:4px;border-radius:12px;background:rgba(30,15,70,.06);margin-bottom:16px}
.seg button{border:0;background:none;padding:8px 14px;border-radius:9px;font:600 13px Inter;color:var(--muted);cursor:pointer}
.seg button.on{background:#fff;color:var(--text);box-shadow:0 2px 8px -2px rgba(60,30,120,.3)}
.result{background:#14102a;color:#ecebf5;border-radius:22px;padding:26px;position:relative;overflow:hidden}
.result:before{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.5),transparent 70%)}
.result small{font:500 11px "JetBrains Mono";letter-spacing:.14em;text-transform:uppercase;color:#9a96b4}
.result .big{font:700 clamp(40px,5vw,58px)/1.1 "Space Grotesk";background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:6px 0 4px}
.result .rows{display:grid;gap:0;margin-top:14px;position:relative}
.result .rows div{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid rgba(255,255,255,.08);font-size:15px;color:#b9b4d4}
.result .rows b{color:#fff;font-family:"Space Grotesk"}
.result .verdict{margin-top:14px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.06);font-size:14.5px;position:relative}
/* footer */
.foot{background:#0b0816;color:#9a96b4;padding:60px 0 30px;font-size:14px}
.foot .wrap{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.foot h5{font:500 11px "JetBrains Mono";letter-spacing:.14em;color:#5f5b78;margin-bottom:14px}
.foot a{display:block;color:#b9b4d4;text-decoration:none;margin-bottom:8px}
.foot a:hover{color:#fff}
.foot .logo{color:#ecebf5;margin-bottom:12px}
.foot .bot{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#5f5b78}
/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media(max-width:1100px){.layout{grid-template-columns:minmax(0,1fr) 280px}.toc{display:none}}
@media(max-width:860px){.layout{grid-template-columns:1fr}.side{position:static}.grid3{grid-template-columns:1fr 1fr}.tool{grid-template-columns:1fr}.foot .wrap{grid-template-columns:1fr 1fr}.nav-l{display:none}}
@media(max-width:560px){.wrap{padding:0 16px}.grid3{grid-template-columns:1fr}.row2{grid-template-columns:1fr}.foot .wrap{grid-template-columns:1fr}.nav .wrap{gap:12px}.nav .btn{padding:8px 14px;font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}