:root {
  --bg:#02060d; --bg-soft:#070d18; --panel:#0b1221; --panel-2:#121d31;
  --line:rgba(255,255,255,.08); --line-strong:rgba(111,201,255,.28);
  --text:#f7fbff; --muted:#adbacb; --muted-2:#8392a7;
  --primary:#72d0ff; --primary-2:#4ea5ff; --white:#ffffff;
  --success:#25d366; --shadow:0 30px 70px rgba(0,0,0,.32);
  --radius:24px; --max:1180px;
}
*{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;
  background:linear-gradient(180deg,#000 0%,#02060d 20%,#050c17 55%,#03070e 100%);
  color:var(--text); line-height:1.6; -webkit-font-smoothing:antialiased;
}

/* ── CANVAS ORB BACKGROUND ── */
#blog-bg{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;}
.topbar,main,section,footer{position:relative;z-index:1;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 1.1rem;}
h1,h2,h3,h4{margin:0 0 .8rem;line-height:1.15;letter-spacing:-.03em;}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto;}

/* ── NAV ── */
.topbar{position:sticky;top:0;z-index:100;background:rgba(2,6,13,.82);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:14px;min-width:0;}
.brand img{width:176px;max-width:46vw;height:auto;}
.menu{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.menu a{color:var(--muted);font-size:.94rem;font-weight:600;transition:color .2s;}
.menu a:hover{color:var(--white);}
.only-mobile{display:none;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:700;font-size:.9rem;border:1px solid rgba(255,255,255,.15);color:var(--white);background:rgba(255,255,255,.04);transition:.25s ease;}
.btn:hover{border-color:var(--primary);color:var(--primary);}
.btn-wa{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:800;font-size:.9rem;background:linear-gradient(135deg,#34e67c,#17b95a);color:#04110b;border:none;transition:.25s ease;}
.btn-wa:hover{transform:translateY(-2px);}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:800;font-size:.95rem;background:linear-gradient(135deg,#fff,#b7ecff 52%,var(--primary));color:#02131d;transition:.25s ease;}
.btn-primary:hover{transform:translateY(-2px);}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid rgba(255,255,255,.15);color:var(--white);background:rgba(255,255,255,.04);transition:.25s ease;}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}

/* ── BREADCRUMB ── */
.breadcrumb{padding:18px 0 0;font-size:.84rem;color:var(--muted-2);display:flex;gap:6px;align-items:center;flex-wrap:wrap;}
.breadcrumb a{color:var(--primary);}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb span{opacity:.5;}

/* ── POST HEADER ── */
.post-header{padding:44px 0 40px;}
.post-header .container{max-width:860px;}
.category-badge{display:inline-block;padding:5px 14px;border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:rgba(114,208,255,.12);color:var(--primary);border:1px solid rgba(114,208,255,.22);margin-bottom:18px;}
.post-header h1{font-size:clamp(1.9rem,4vw,3.2rem);line-height:1.12;letter-spacing:-.045em;margin-bottom:16px;max-width:820px;}
.post-header .lead{font-size:1.1rem;color:var(--muted);max-width:680px;margin-bottom:22px;}
.post-meta-row{display:flex;gap:18px;align-items:center;flex-wrap:wrap;font-size:.84rem;color:var(--muted-2);}
.post-meta-row strong{color:var(--muted);}
.dot-sep{opacity:.35;}

/* ── POST BODY ── */
.post-layout{display:grid;grid-template-columns:1fr 300px;gap:52px;padding:0 0 80px;align-items:start;}
.post-content{min-width:0;}
.post-content h2{font-size:clamp(1.35rem,2.5vw,1.85rem);letter-spacing:-.04em;margin:2rem 0 .7rem;padding-top:.5rem;border-top:1px solid var(--line);}
.post-content h2:first-child{border-top:none;margin-top:0;}
.post-content h3{font-size:1.15rem;letter-spacing:-.02em;margin:1.4rem 0 .5rem;color:var(--primary);}
.post-content p{color:var(--muted);line-height:1.78;margin-bottom:1.1rem;}
.post-content ul,.post-content ol{color:var(--muted);padding-left:1.4rem;margin-bottom:1.1rem;line-height:1.78;}
.post-content li{margin-bottom:.4rem;}
.post-content strong{color:var(--text);}
.post-content blockquote{margin:1.5rem 0;padding:18px 22px;border-left:3px solid var(--primary);background:rgba(114,208,255,.06);border-radius:0 12px 12px 0;font-style:italic;color:var(--muted);}
.post-content blockquote p{margin:0;color:var(--muted);}

/* ── POST HERO IMAGE ── */
.post-hero{margin:0 0 32px;border-radius:var(--radius);overflow:hidden;aspect-ratio:1200/630;}
.post-hero img{width:100%;height:100%;object-fit:cover;display:block;}

/* ── CARD THUMBNAIL ── */
.post-card-img{margin:-28px -28px 16px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;aspect-ratio:16/9;}
.post-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s;}
.post-card:hover .post-card-img img{transform:scale(1.04);}

/* ── SIDEBAR ── */
.sidebar{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px;}
.sidebar-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.sidebar-card h4{font-size:.95rem;letter-spacing:-.02em;margin-bottom:10px;color:var(--white);}
.sidebar-card p{font-size:.87rem;color:var(--muted);margin-bottom:14px;}
.sidebar-card .btn-wa{width:100%;justify-content:center;font-size:.88rem;padding:12px 16px;}
.related-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.related-list li a{font-size:.86rem;color:var(--muted);line-height:1.4;transition:color .2s;}
.related-list li a:hover{color:var(--primary);}
.related-list li a::before{content:"→ ";color:var(--primary);}

/* ── CTA SECTION ── */
.post-cta{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:60px 0;}
.post-cta-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.post-cta h2{font-size:clamp(1.4rem,3vw,2.2rem);letter-spacing:-.045em;margin:0 0 8px;}
.post-cta p{color:var(--muted);margin:0;font-size:.97rem;}
.post-cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}

/* ── BLOG INDEX ── */
.blog-header{padding:60px 0 48px;text-align:center;}
.blog-header h1{font-size:clamp(2rem,5vw,3.8rem);letter-spacing:-.05em;margin-bottom:14px;}
.blog-header p{color:var(--muted);font-size:1.08rem;max-width:560px;margin:0 auto;}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:80px;}
.post-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px;transition:border-color .25s,transform .25s;}
.post-card:hover{border-color:rgba(114,208,255,.28);transform:translateY(-4px);}
.post-card .category-badge{align-self:flex-start;}
.post-card h2{font-size:1.12rem;letter-spacing:-.03em;line-height:1.3;margin:0;}
.post-card p{font-size:.88rem;color:var(--muted);line-height:1.6;margin:0;flex:1;}
.post-card-meta{display:flex;gap:12px;font-size:.78rem;color:var(--muted-2);}
.post-card-link{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:700;color:var(--primary);margin-top:4px;}
.post-card-link:hover{gap:10px;}

/* ── FOOTER ── */
footer{border-top:1px solid var(--line);padding:32px 0;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;color:var(--muted-2);font-size:.85rem;}
.footer-inner a{color:var(--primary);}
.footer-inner a:hover{text-decoration:underline;}

/* ── RESPONSIVE ── */
@media(max-width:1100px){
  .menu a.hide-md{display:none;}
}
@media(max-width:900px){
  .post-layout{grid-template-columns:1fr;}
  .sidebar{position:static;}
  .posts-grid{grid-template-columns:repeat(2,1fr);}
  .post-cta-inner{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .posts-grid{grid-template-columns:1fr;}
  .post-header{padding:28px 0 24px;}
  .menu a:not(.btn-wa):not(.only-mobile){display:none;}
  .only-mobile{display:inline-flex;}
  .post-header h1{font-size:1.7rem;}
}