/* ── OBZ Studio Blog CSS ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#07070D;color:#fff;font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:#07070D}
::-webkit-scrollbar-thumb{background:#6B21D9;border-radius:3px}

:root{
  --bg0:#07070D;--bg1:#0D0D1A;--bg2:#12121F;
  --purple:#6B21D9;--purple-mid:#8B5CF6;--purple-light:#C4B5FD;
  --gray1:#E8E8F0;--gray2:#A0A0B8;--gray3:#3A3A5A;
  --border:rgba(139,92,246,0.14);--border-h:rgba(139,92,246,0.42);
  --nav-h:80px;--r:16px;--rs:8px;
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}

/* NAV */
nav#navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:200;background:rgba(7,7,13,.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo img{display:none}
.nav-logo-text{font-family:'Syne',sans-serif;font-weight:800;font-size:17px;letter-spacing:.04em}
.nav-logo-text span{color:var(--purple-light)}
.nav-links{display:flex;align-items:center;gap:34px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:var(--gray2);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-right{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:100px;border:none;cursor:pointer;font-size:14px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 0 28px rgba(107,33,217,.45)}
.btn-primary:hover{background:var(--purple-mid);box-shadow:0 0 44px rgba(139,92,246,.65)}
.btn-ghost{background:transparent;color:#fff;border:1px solid var(--border-h)}
.btn-ghost:hover{background:rgba(139,92,246,.1)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(7,7,13,.97);backdrop-filter:blur(24px);padding:28px;z-index:199;border-bottom:1px solid var(--border)}
.mobile-menu.open{display:block}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:22px}
.mobile-menu ul a{font-size:20px;font-weight:700;color:#fff;font-family:'Syne',sans-serif}

/* EYEBROW */
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--purple-light);display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--purple-light);flex-shrink:0}
.section-title{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(28px,4vw,48px);letter-spacing:-.02em;line-height:1.08}

/* BLOG HERO */
.blog-hero{padding:160px 0 80px;text-align:center;position:relative;overflow:hidden}
.blog-hero::before{content:'';position:absolute;top:-100px;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(107,33,217,.2) 0%,transparent 70%);pointer-events:none}
.blog-hero h1{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(36px,5vw,64px);letter-spacing:-.03em;margin-bottom:16px}
.blog-hero h1 span{color:var(--purple-light)}
.blog-hero p{font-size:18px;color:var(--gray2);max-width:520px;margin:0 auto}

/* BLOG GRID */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:80px 0 120px}
.blog-card{background:var(--bg1);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;transition:border-color .3s,transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.blog-card:hover{border-color:var(--border-h);transform:translateY(-5px);box-shadow:0 24px 64px rgba(107,33,217,.16)}
.blog-card-img{height:200px;display:flex;align-items:center;justify-content:center;font-size:48px;flex-shrink:0}
.blog-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.blog-card-cat{font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--purple-light);margin-bottom:10px}
.blog-card-body h2{font-family:'Syne',sans-serif;font-weight:700;font-size:17px;line-height:1.35;margin-bottom:10px;color:#fff}
.blog-card-body p{font-size:13px;color:var(--gray2);line-height:1.65;flex:1}
.blog-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}
.blog-card-date{font-size:11px;color:var(--gray3)}
.blog-card-read{font-size:11px;font-weight:600;color:var(--purple-light);letter-spacing:.05em}

/* ARTICLE PAGE */
.article-hero{padding:140px 0 60px;background:var(--bg0);position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(107,33,217,.12) 0%,transparent 60%);pointer-events:none}
.article-cat{font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--purple-light);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.article-cat::before{content:'';width:24px;height:1px;background:var(--purple-light)}
.article-hero h1{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(28px,4.5vw,54px);line-height:1.1;letter-spacing:-.025em;max-width:800px;margin-bottom:20px}
.article-meta{display:flex;align-items:center;gap:20px;color:var(--gray2);font-size:13px;flex-wrap:wrap}
.article-meta span{display:flex;align-items:center;gap:6px}

.article-thumb{width:100%;max-height:480px;object-fit:cover;border-radius:var(--r);margin:40px 0;border:1px solid var(--border)}
.article-thumb-placeholder{width:100%;height:340px;border-radius:var(--r);margin:40px 0;display:flex;align-items:center;justify-content:center;font-size:80px;border:1px solid var(--border)}

/* ARTICLE CONTENT */
.article-layout{display:grid;grid-template-columns:1fr 340px;gap:60px;padding:60px 0 100px;align-items:start}
.article-body h2{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(20px,2.5vw,28px);margin:40px 0 16px;color:#fff;letter-spacing:-.02em}
.article-body h3{font-family:'Syne',sans-serif;font-weight:700;font-size:18px;margin:28px 0 12px;color:var(--purple-light)}
.article-body p{font-size:16px;color:var(--gray2);line-height:1.8;margin-bottom:20px}
.article-body ul,.article-body ol{padding-left:24px;margin-bottom:20px}
.article-body li{font-size:16px;color:var(--gray2);line-height:1.8;margin-bottom:8px}
.article-body strong{color:#fff;font-weight:600}
.article-body blockquote{border-left:3px solid var(--purple);padding:16px 24px;background:var(--bg2);border-radius:0 var(--rs) var(--rs) 0;margin:28px 0;font-style:italic;color:var(--gray1)}

/* SIDEBAR */
.article-sidebar{position:sticky;top:calc(var(--nav-h) + 24px)}
.sidebar-box{background:var(--bg1);border:1px solid var(--border);border-radius:var(--r);padding:24px;margin-bottom:24px}
.sidebar-box h4{font-family:'Syne',sans-serif;font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--purple-light);margin-bottom:16px}
.sidebar-related a{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);text-decoration:none;transition:color .2s}
.sidebar-related a:last-child{border-bottom:none}
.sidebar-related a:hover{color:var(--purple-light)}
.sidebar-related a span{font-size:13px;color:var(--gray2);line-height:1.45;transition:color .2s}
.sidebar-related a:hover span{color:var(--purple-light)}
.sidebar-cta{background:linear-gradient(135deg,var(--purple) 0%,var(--purple-mid) 100%);border-radius:var(--r);padding:28px;text-align:center;border:none}
.sidebar-cta h4{font-family:'Syne',sans-serif;font-size:18px;font-weight:800;margin-bottom:10px}
.sidebar-cta p{font-size:13px;color:rgba(255,255,255,.8);margin-bottom:20px;line-height:1.6}
.sidebar-cta a{display:inline-block;background:#fff;color:var(--purple);padding:12px 24px;border-radius:100px;font-size:13px;font-weight:700;transition:transform .2s}
.sidebar-cta a:hover{transform:scale(1.04)}

/* TAGS */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:32px 0}
.tag{padding:6px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:100px;font-size:12px;color:var(--gray2);transition:border-color .2s,color .2s}
.tag:hover{border-color:var(--purple-light);color:var(--purple-light)}

/* FOOTER */
footer{background:var(--bg1);border-top:1px solid var(--border);padding:60px 0 32px}
.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:40px;margin-bottom:48px;flex-wrap:wrap}
.footer-links{display:flex;gap:32px;flex-wrap:wrap}
.footer-links a{font-size:14px;color:var(--gray2);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:28px;border-top:1px solid var(--border);flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:var(--gray3)}

/* BREADCRUMB */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray3);margin-bottom:24px}
.breadcrumb a{color:var(--gray2);transition:color .2s}
.breadcrumb a:hover{color:var(--purple-light)}
.breadcrumb span{color:var(--gray3)}

/* RESPONSIVE */
@media(max-width:1024px){.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}}
@media(max-width:768px){
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-right .btn-primary{display:none}
}
@media(max-width:540px){.blog-grid{grid-template-columns:1fr}}