:root{
  --bg:#080B14;--bg2:#0A0E1A;--surface:rgba(255,255,255,.025);--surface2:#111827;
  --border:rgba(255,255,255,.08);--border2:rgba(255,255,255,.16);
  --blue:#2563EB;--blue2:#3B82F6;--blue-light:#60A5FA;--indigo:#6366F1;
  --text:#E8EDF6;--muted:#94A3B8;--muted2:#5A6779;--green:#22C55E;--radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;overflow-x:hidden;position:relative}
.bg-deco{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.bg-deco::before{content:"";position:absolute;top:-260px;left:-160px;width:620px;height:620px;background:radial-gradient(circle,rgba(37,99,235,.22),transparent 62%);filter:blur(20px)}
.bg-deco::after{content:"";position:absolute;top:-120px;right:-180px;width:560px;height:560px;background:radial-gradient(circle,rgba(99,102,241,.18),transparent 62%);filter:blur(20px)}
a{text-decoration:none;color:inherit}
h1,h2,h3,.logo{font-family:'Sora',sans-serif;letter-spacing:-.02em}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:11px;cursor:pointer;transition:.22s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--blue2),var(--indigo));color:#fff;box-shadow:0 10px 30px -8px rgba(59,130,246,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -8px rgba(79,102,241,.75)}
.btn-lg{padding:14px 27px;font-size:16px}
/* HEADER */
header{position:sticky;top:0;z-index:50;background:rgba(8,11,20,.7);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px}
.logo .mark-img{width:38px;height:38px;display:block;filter:drop-shadow(0 6px 14px rgba(79,102,241,.45))}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;color:var(--muted);font-weight:500;font-size:15px;transition:color .2s;padding:6px 2px}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--blue2),var(--indigo));transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.16,1,.3,1)}
.nav-links a:hover{color:var(--text)}.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .enter{color:var(--text);font-weight:600;font-size:15px}
/* BLOG INDEX */
.blog-hero{text-align:center;padding:70px 0 30px;position:relative}
.blog-hero .eyebrow{display:inline-flex;gap:8px;font-size:13px;font-weight:600;color:#C7D2FE;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.28);padding:8px 16px;border-radius:100px}
.blog-hero h1{font-size:clamp(32px,5vw,50px);font-weight:800;margin:20px auto 0;max-width:760px;line-height:1.1}
.blog-hero p{color:var(--muted);font-size:18px;max-width:600px;margin:16px auto 0}
.cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:34px 0 10px}
.cat-pill{font-size:14px;color:var(--muted);background:var(--surface);border:1px solid var(--border);padding:8px 16px;border-radius:100px;transition:.2s;cursor:pointer}
.cat-pill:hover,.cat-pill.active{color:#fff;border-color:var(--blue);background:rgba(37,99,235,.15)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:40px 0 90px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.28s}
.post-card:hover{transform:translateY(-5px);border-color:var(--border2);box-shadow:0 24px 50px -20px rgba(59,130,246,.35)}
.post-thumb{height:170px;background:linear-gradient(135deg,#1E3A8A,#4338CA);position:relative;display:flex;align-items:flex-end;padding:16px}
.post-thumb .cat{font-size:12px;font-weight:600;color:#fff;background:rgba(0,0,0,.28);backdrop-filter:blur(4px);padding:5px 12px;border-radius:100px}
.post-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:18px;font-weight:700;line-height:1.3;margin-bottom:10px}
.post-body p{color:var(--muted);font-size:14.5px;flex:1}
.post-body .more{margin-top:16px;color:var(--blue-light);font-weight:600;font-size:14px}
/* ARTICLE */
.article-head{padding:56px 0 20px;text-align:center}
.breadcrumb{font-size:14px;color:var(--muted2);margin-bottom:20px}
.breadcrumb a:hover{color:var(--blue-light)}
.article-head .cat{display:inline-block;font-size:13px;font-weight:600;color:#C7D2FE;background:rgba(99,102,241,.12);border:1px solid rgba(99,102,241,.28);padding:6px 14px;border-radius:100px}
.article-head h1{font-size:clamp(28px,4.5vw,44px);font-weight:800;line-height:1.15;margin:18px auto 0;max-width:800px}
.article-head .meta{color:var(--muted2);font-size:14px;margin-top:16px}
.article-banner{max-width:900px;margin:34px auto 0;height:300px;border-radius:18px;background:linear-gradient(135deg,#1E3A8A,#4338CA);position:relative;overflow:hidden;box-shadow:0 40px 90px -30px rgba(0,0,0,.8)}
.article-banner img{width:100%;height:100%;object-fit:cover}
.article-banner .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:.25}
.article-banner .ph svg{width:90px;height:90px;color:#fff}
article.post{padding:40px 0 36px}
article.post p{color:#CBD5E1;font-size:17px;line-height:1.7;margin:0 0 14px}
article.post h2{font-size:25px;font-weight:700;margin:30px 0 12px;color:#fff;line-height:1.3}
article.post h3{font-size:19px;font-weight:700;margin:22px 0 10px;color:#fff}
article.post ul,article.post ol{margin:0 0 16px;padding-left:22px;color:#CBD5E1;font-size:17px;line-height:1.7}
article.post li{margin-bottom:7px}
article.post strong{color:#fff}
article.post a.inline{color:var(--blue-light);text-decoration:underline}
.callout{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--blue);border-radius:12px;padding:18px 22px;margin:26px 0}
.callout p{margin:0;font-size:16px;color:var(--muted)}
.cta-box{background:linear-gradient(120deg,#1E3A8A,#4338CA);border-radius:22px;padding:40px;text-align:center;margin:44px 0;position:relative;overflow:hidden;box-shadow:0 30px 70px -30px rgba(67,56,202,.7)}
.cta-box::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 15%,rgba(255,255,255,.2),transparent 45%)}
.cta-box h3{font-size:24px;color:#fff;position:relative;margin-bottom:8px}
.cta-box p{color:rgba(255,255,255,.92);position:relative;margin-bottom:20px}
.cta-box .btn-white{background:#fff;color:#1E3A8A;position:relative}
.cta-box .btn-white:hover{transform:translateY(-2px);background:#EEF2FF}
.faq{padding:8px 0}
.faq h2{font-size:26px;font-weight:800;color:#fff;margin:0 0 18px;font-family:'Sora',sans-serif;letter-spacing:-.02em}
.faq-item{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--blue);border-radius:12px;padding:18px 22px;margin:0 0 14px}
.faq-item h3{font-size:17px;font-weight:700;color:#fff;margin:0 0 8px}
.faq-item p{font-size:16px;line-height:1.65;color:#CBD5E1;margin:0}
.related{border-top:1px solid var(--border);padding:40px 0 90px;margin-top:36px}
.related h3{font-size:20px;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-grid a{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;transition:.2s}
.related-grid a:hover{border-color:var(--blue);transform:translateY(-3px)}
.related-grid .c{font-size:12px;color:var(--blue-light);font-weight:600}
.related-grid h4{font-size:15px;margin-top:6px;line-height:1.35}
/* FOOTER */
footer{border-top:1px solid var(--border);background:var(--bg2);padding:50px 0 30px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot .desc{color:var(--muted);font-size:14px;max-width:340px;margin-top:10px}
.foot a.fl{color:var(--muted);font-size:14px;margin-left:18px}.foot a.fl:hover{color:var(--blue-light)}
.copy{border-top:1px solid var(--border);margin-top:30px;padding-top:22px;text-align:center;color:var(--muted2);font-size:13px}
.wa{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -6px rgba(37,211,102,.65);z-index:60;transition:.2s}
.wa:hover{transform:scale(1.09)}
@media(max-width:900px){.grid,.related-grid{grid-template-columns:1fr 1fr}.nav-links{display:none}}
@media(max-width:640px){
  .grid,.related-grid{grid-template-columns:1fr}
  .foot{flex-direction:column;text-align:center}.foot a.fl{margin:0 9px}
  .cta-box{padding:28px 20px}.cta-box h3{font-size:20px}
  .nav{height:62px}.logo{font-size:16px;gap:9px}.logo .mark-img{width:33px;height:33px}
  .nav-cta .enter{display:none}.nav-cta .btn{padding:10px 14px;font-size:13.5px}
  .article-banner{height:190px;margin-top:24px}
  article.post{padding:30px 0}
  article.post p,article.post ul,article.post ol{font-size:16px}
  article.post h2{font-size:22px;margin:32px 0 12px}
  .blog-hero{padding:48px 0 20px}.blog-hero h1{font-size:30px}
  .post-thumb{height:150px}
}
@media(max-width:400px){.nav-cta .btn{padding:9px 12px;font-size:12.5px}.logo{font-size:15px}}