:root{
  --grad:linear-gradient(115deg,#A10EFC 0%,#4A47FF 52%,#00D9F5 100%);
  --ink:#12122A;--ink-2:#4B4D68;--mist:#F4F4FB;--line:#E4E4F0;--node:#4A47FF;--black:#000;
  --display:"Bricolage Grotesque",system-ui,sans-serif;--body:"Instrument Sans",system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font:17px/1.65 var(--body);-webkit-font-smoothing:antialiased}
a{color:var(--node)}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--node);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);line-height:1.15;letter-spacing:-.01em}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;font:600 .95rem var(--body);padding:12px 20px;border-radius:999px;background:var(--grad);color:#fff;text-decoration:none;border:0}
.btn.wa{background:#25D366;color:#06301A}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font:700 1.15rem var(--display);letter-spacing:.3em}
.brand-tag{font-size:.64rem;font-weight:600;margin-top:5px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav nav{display:flex;align-items:center;gap:22px}
.nav nav a:not(.btn){color:var(--ink-2);text-decoration:none;font-weight:500;font-size:.95rem}
@media (max-width:760px){.nav nav a:not(.btn){display:none}.brand-tag{display:none}}

/* blog home */
.blog-hero{padding:64px 0 28px;max-width:720px}
.blog-hero h1{font-size:clamp(2.2rem,5vw,3.4rem);margin:0 0 12px}
.blog-hero p{color:var(--ink-2);margin:0 0 24px}
.blog-hero input{width:100%;font:inherit;padding:14px 18px;border:1px solid var(--line);border-radius:999px}
.blog-hero input:focus{outline:none;border-color:var(--node)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.chips button{font:500 .9rem var(--body);padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.chips button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.empty{color:var(--ink-2)}
.blog-home{padding-bottom:80px}

/* cards */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:900px){.posts{grid-template-columns:1fr}}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink);background:#fff}
.post-card[hidden]{display:none}
.post-card:hover{border-color:var(--node)}
.post-card .bar{height:6px;background:var(--grad)}
.post-card .pc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .pc-meta{font-size:.82rem;color:var(--ink-2)}
.post-card h3{font-size:1.15rem;margin:0;line-height:1.25}
.post-card p{font-size:.93rem;color:var(--ink-2);margin:0}
.post-card .read{margin-top:auto;font-weight:600;color:var(--node);font-size:.92rem}

/* post */
.post{padding-bottom:80px}
.crumbs{font-size:.9rem;color:var(--ink-2);padding:26px 0 0}
.crumbs a{color:var(--ink-2)}
.post-head{max-width:820px;padding:22px 0 8px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.tag{font-size:.8rem;font-weight:600;padding:4px 10px;border-radius:8px;background:#EEEDFF;color:var(--node)}
.post-head h1{font-size:clamp(2rem,4.4vw,3rem);margin:0 0 20px}
.byline{display:flex;align-items:center;gap:12px}
.byline img{border-radius:50%;padding:2px;background:var(--grad)}
.byline b{display:block}
.byline span{font-size:.88rem;color:var(--ink-2)}
.answer{max-width:820px;margin:28px 0 8px;padding:20px 24px;border-radius:14px;background:linear-gradient(var(--mist),var(--mist)) padding-box,var(--grad) border-box;border:1.5px solid transparent}
.answer b{font-family:var(--display);font-size:1.05rem}
.answer p{margin:6px 0 0}
.post-grid{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:56px;align-items:start}
@media (max-width:980px){.post-grid{grid-template-columns:1fr}.side{display:none}}
.content h2{font-size:1.6rem;margin:2em 0 .5em;scroll-margin-top:90px}
.content h3{font-size:1.15rem;margin:1.6em 0 .4em}
.content p,.content li{max-width:70ch}
.content li{margin:.35em 0}
.content strong{color:var(--ink)}
.side{position:sticky;top:96px;padding-top:2em}
.toc{border-left:3px solid;border-image:var(--grad) 1;padding:4px 0 4px 18px}
.toc b{font-size:.9rem}
.toc ol{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.toc a{color:var(--ink-2);text-decoration:none;font-size:.9rem}
.toc a:hover{color:var(--node)}
.author{display:flex;gap:20px;align-items:flex-start;max-width:820px;margin:56px 0 0;padding:26px;border:1px solid var(--line);border-radius:18px}
.author img{border-radius:50%;padding:3px;background:var(--grad);flex:none}
.author b{font-size:.85rem;color:var(--ink-2);font-weight:500}
.author h2{margin:2px 0 8px;font-size:1.3rem}
.author p{margin:0 0 10px;color:var(--ink-2);font-size:.95rem}
.links{display:flex;flex-wrap:wrap;gap:16px}
@media (max-width:560px){.author{flex-direction:column}}
.cta{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;max-width:820px;margin:24px 0 0;padding:30px;border-radius:20px;background:var(--black);color:#fff}
.cta h2{margin:0 0 6px;font-size:1.4rem}
.cta p{margin:0;color:#A9AAC4}
.cta-btns{display:flex;flex-wrap:wrap;gap:10px}
.related{margin-top:72px}
.related h2{font-size:1.6rem}

/* footer */
footer{background:var(--black);color:#A9AAC4;padding:48px 0 30px;font-size:.92rem}
footer img{margin:0 0 14px -8px}
footer .links a{color:#A9AAC4;text-decoration:none}
footer .links a:hover{color:#fff}
footer .copy{margin-top:20px;font-size:.85rem}
.f-line{height:3px;background:var(--grad)}