/* insivo blog — shared styles (brand-matched, self-contained) */

:root{
  --accent:#695AEE;
  --accent-700:#5a4cd6;
  --accent-soft:rgba(105,90,238,0.08);
  --text-dark:#1D1D1F;
  --text-gray:#86868B;
  --text-mid:#52525B;
  --border:#E8E8ED;
  --bg:#ffffff;
  --soft:#F6F6FB;
  --footer-bg:#1C1C1E;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);
  color:var(--text-dark);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ── Reading progress bar ── */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--accent),#9485F0);
  z-index:200;transition:width .1s linear;
}

/* ── Navbar (sticky pill) ── */
.bnav-spacer{height:96px;}
.bnav{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:calc(100% - 40px);max-width:1080px;z-index:120;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px 12px 24px;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(0,0,0,0.08);
  border-radius:60px;
  box-shadow:0 12px 32px rgba(0,0,0,0.08);
}
.bnav-logo{display:flex;align-items:center;gap:10px;}
.bnav-logo img{height:24px;width:auto;}
.bnav-links{display:flex;align-items:center;gap:6px;}
.bnav-links a{
  font-size:14px;font-weight:500;color:var(--text-gray);
  padding:8px 16px;border-radius:20px;transition:all .2s;
}
.bnav-links a:hover{color:var(--text-dark);background:rgba(0,0,0,0.04);}
.bnav-links a.active{color:var(--text-dark);background:rgba(0,0,0,0.06);}
.bnav-right{display:flex;align-items:center;gap:12px;}
.bnav-lang{display:inline-flex;align-items:center;gap:2px;font-size:13px;font-weight:600;}
.bnav-lang a{color:var(--text-gray);padding:4px 8px;border-radius:7px;}
.bnav-lang a.on{color:var(--text-dark);background:rgba(0,0,0,0.06);}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:40px;font-size:14px;font-weight:600;
  cursor:pointer;border:none;transition:all .2s;white-space:nowrap;
}
.btn-solid{background:var(--accent);color:#fff;}
.btn-solid:hover{background:var(--accent-700);}
.btn-ghost{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(105,90,238,0.22);}
.btn-ghost:hover{background:rgba(105,90,238,0.14);}
.bnav-burger{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--text-dark);}

/* ── Blog hero ── */
.blog-hero{text-align:center;padding:40px 0 8px;}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:16px;}
.blog-hero h1{font-size:54px;line-height:1.04;font-weight:800;letter-spacing:-2px;}
.blog-hero h1 .soft{color:var(--accent);}
.blog-hero p{font-size:18px;color:var(--text-gray);max-width:560px;margin:20px auto 0;line-height:1.55;}

/* ── Filter pills ── */
.blog-filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:36px 0 48px;}
.blog-filter{
  font-size:13.5px;font-weight:600;color:var(--text-mid);
  padding:9px 18px;border-radius:30px;border:1px solid var(--border);
  background:#fff;cursor:pointer;transition:all .2s;
}
.blog-filter:hover{border-color:rgba(105,90,238,0.4);color:var(--accent);}
.blog-filter.active{background:var(--text-dark);color:#fff;border-color:var(--text-dark);}

/* ── Cover art (pure CSS gradients) ── */
.cover{position:relative;overflow:hidden;background:#3a3458;}
.cover::before{content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 140% at 15% 10%, rgba(255,255,255,0.18), transparent 50%),
    radial-gradient(90% 120% at 90% 90%, rgba(0,0,0,0.28), transparent 55%);
}
.cover svg{position:absolute;inset:0;width:100%;height:100%;opacity:.5;}
.cover-icon{position:absolute;left:24px;bottom:20px;color:rgba(255,255,255,0.92);width:30px;height:30px;z-index:2;}
.cover-1{background:linear-gradient(135deg,#695AEE,#9485F0);}
.cover-2{background:linear-gradient(135deg,#1C1C1E,#4b4470);}
.cover-3{background:linear-gradient(135deg,#5647D4,#8b7bf0);}
.cover-4{background:linear-gradient(135deg,#2b2745,#695AEE);}
.cover-5{background:linear-gradient(135deg,#7B6CE8,#C8BFF8);}

/* ── Featured ── */
.blog-featured{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;
  border:1px solid var(--border);border-radius:22px;overflow:hidden;
  margin-bottom:56px;transition:box-shadow .3s,transform .3s;
}
.blog-featured:hover{box-shadow:0 24px 60px rgba(28,28,30,0.10);transform:translateY(-3px);}
.blog-featured .cover{min-height:340px;}
.blog-featured .fc-body{padding:44px;display:flex;flex-direction:column;justify-content:center;}
.blog-featured h2{font-size:32px;line-height:1.18;font-weight:800;letter-spacing:-.8px;margin:14px 0 14px;}
.blog-featured p{font-size:16px;color:var(--text-mid);line-height:1.6;}
.blog-featured .read-more{margin-top:24px;}

/* ── Tag + meta ── */
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:6px 12px;border-radius:30px;}
.meta{font-size:13px;color:var(--text-gray);font-weight:500;display:flex;gap:8px;align-items:center;}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-gray);display:inline-block;}
.read-more{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--accent);font-size:15px;}
.read-more svg{transition:transform .2s;}
a:hover .read-more svg,.read-more:hover svg{transform:translateX(4px);}

/* ── Grid ── */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:30px;}
.post-card{
  border:1px solid var(--border);border-radius:18px;overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:box-shadow .3s,transform .3s,border-color .3s;
}
.post-card:hover{box-shadow:0 18px 44px rgba(28,28,30,0.10);transform:translateY(-4px);border-color:rgba(105,90,238,0.25);}
.post-card .cover{height:184px;}
.post-card .pc-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:20px;line-height:1.28;font-weight:800;letter-spacing:-.3px;}
.post-card p{font-size:14.5px;color:var(--text-mid);line-height:1.6;flex:1;}
.post-card .pc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:4px;}

.is-hidden{display:none !important;}

/* ── Pre-footer CTA ── */
.blog-cta{
  margin:88px 0 0;padding:64px 48px;border-radius:26px;text-align:center;
  background:linear-gradient(135deg,#1C1C1E,#3a3458);color:#fff;position:relative;overflow:hidden;
}
.blog-cta h2{font-size:34px;font-weight:800;letter-spacing:-1px;line-height:1.12;position:relative;}
.blog-cta p{color:rgba(255,255,255,0.7);font-size:17px;margin:16px auto 28px;max-width:480px;position:relative;}
.blog-cta .btn{position:relative;}

/* ── Article page ── */
.article-back{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text-gray);margin-bottom:28px;transition:color .2s;}
.article-back:hover{color:var(--accent);}
.article{max-width:740px;margin:0 auto;padding:24px 0 0;}
.article-head{margin-bottom:32px;}
.article-head .tag{margin-bottom:18px;}
.article-title{font-size:46px;line-height:1.08;font-weight:800;letter-spacing:-1.6px;margin-bottom:20px;}
.article-dek{font-size:20px;line-height:1.5;color:var(--text-mid);font-weight:400;}
.article-byline{display:flex;align-items:center;gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid var(--border);}
.article-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#695AEE,#9485F0);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;}
.article-byline .name{font-size:14px;font-weight:700;color:var(--text-dark);}
.article-cover{height:300px;border-radius:20px;margin:36px 0 44px;}
.article-body{font-size:18px;line-height:1.75;color:#2b2b30;}
.article-body h2{font-size:28px;font-weight:800;letter-spacing:-.6px;line-height:1.2;margin:48px 0 16px;color:var(--text-dark);}
.article-body h3{font-size:21px;font-weight:700;letter-spacing:-.3px;margin:34px 0 12px;color:var(--text-dark);}
.article-body p{margin-bottom:22px;}
.article-body ul{margin:0 0 24px;padding-left:4px;list-style:none;}
.article-body li{position:relative;padding-left:28px;margin-bottom:12px;}
.article-body li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:2px;background:var(--accent);}
.article-body strong{font-weight:700;color:var(--text-dark);}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{
  margin:34px 0;padding:6px 0 6px 28px;border-left:3px solid var(--accent);
  font-size:23px;line-height:1.4;font-weight:600;letter-spacing:-.4px;color:var(--text-dark);
}
.callout{
  background:var(--soft);border:1px solid var(--border);border-radius:16px;
  padding:24px 26px;margin:34px 0;font-size:16px;line-height:1.6;color:var(--text-mid);
}
.callout strong{color:var(--text-dark);}
.article-foot{margin:56px 0 0;padding:32px 0 0;border-top:1px solid var(--border);}

/* ── Footer ── */
.bfooter{background:var(--footer-bg);color:#fff;margin-top:96px;padding:64px 0 36px;}
.bfooter-grid{display:flex;flex-wrap:wrap;gap:48px;}
.bfooter-col{flex:1;min-width:180px;}
.bfooter-col h4{font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:rgba(255,255,255,0.55);margin-bottom:16px;}
.bfooter-col a,.bfooter-col p{display:block;color:rgba(255,255,255,0.78);font-size:14.5px;line-height:1.7;text-decoration:none;margin-bottom:8px;}
.bfooter-col a:hover{color:#fff;}
.bfooter-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.12);
  color:rgba(255,255,255,0.6);font-size:13.5px;}
.bfooter-bottom .legal{display:flex;gap:22px;}
.bfooter-bottom .legal a{color:rgba(255,255,255,0.6);}
.bfooter-bottom .legal a:hover{color:#fff;}

/* ── Reveal ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ── Responsive ── */
@media(max-width:980px){
  .blog-grid{grid-template-columns:1fr 1fr;}
  .blog-featured{grid-template-columns:1fr;}
  .blog-featured .cover{min-height:220px;}
}
@media(max-width:760px){
  .wrap{padding:0 20px;}
  .bnav{padding:10px 12px 10px 18px;width:calc(100% - 24px);}
  .bnav-links,.bnav-lang{display:none;}
  .bnav-burger{display:inline-flex;}
  .bnav.open{flex-wrap:wrap;border-radius:24px;}
  .bnav.open .bnav-links{display:flex;flex-direction:column;width:100%;order:3;gap:2px;padding:12px 6px 6px;margin-top:10px;border-top:1px solid var(--border);}
  .bnav.open .bnav-links a{width:100%;}
  .bnav.open .bnav-lang{display:inline-flex;order:4;padding-left:12px;}
  .blog-hero h1{font-size:36px;letter-spacing:-1.2px;}
  .blog-hero p{font-size:16px;}
  .blog-featured .fc-body{padding:28px;}
  .blog-featured h2{font-size:25px;}
  .blog-grid{grid-template-columns:1fr;gap:24px;}
  .blog-cta{padding:48px 24px;margin-top:64px;}
  .blog-cta h2{font-size:26px;}
  .article-title{font-size:32px;letter-spacing:-1px;}
  .article-dek{font-size:17px;}
  .article-cover{height:200px;}
  .article-body{font-size:17px;}
  .article-body h2{font-size:24px;}
  .article-body blockquote{font-size:20px;}
  .bfooter-bottom{flex-direction:column;align-items:flex-start;}
}