:root {
  --or: #ff6300;
  --or2: #ff9940;
  --or-glow: rgba(255,99,0,.35);
  --or-dim: rgba(255,99,0,.1);
  --or-border: rgba(255,99,0,.25);
  --bk: #000;
  --s1: #0c0c0c;
  --s2: #141414;
  --s3: #1c1c1c;
  --bd: rgba(255,255,255,.07);
  --wh: #fff;
  --gr: #888;
  --gr2: #aaa;
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --r: 18px;
  --ease: cubic-bezier(.16,1,.3,1);
  --nav-h: 58px;
  --prose-w: 740px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bk);color:var(--wh);font-family:var(--font);font-size:17px;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

#progress-bar{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--or),var(--or2));width:0%;z-index:1000;transition:width .1s}

#nav{position:fixed;top:0;left:0;right:0;z-index:900;display:flex;align-items:center;justify-content:space-between;padding:0 40px;height:var(--nav-h);background:rgba(0,0,0,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--bd)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo img{height:32px;width:auto}
.nav-logo-fallback{font-size:17px;font-weight:900;letter-spacing:-.03em;display:none}
.nav-logo-fallback span{color:var(--or)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14px;color:var(--gr2);transition:color .2s;letter-spacing:.01em}
.nav-links a:hover,.nav-links a.active{color:var(--wh)}
.nav-cta{background:var(--or);color:#fff;padding:9px 22px;border-radius:100px;font-size:13px;font-weight:700;letter-spacing:.02em;transition:opacity .2s,transform .2s,box-shadow .2s}
.nav-cta:hover{opacity:.88;transform:scale(.97);box-shadow:0 0 30px var(--or-glow)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;background:none;border:none;cursor:pointer}
.hamburger span{width:22px;height:2px;background:var(--wh);border-radius:2px;display:block;transition:.3s}

/* HERO */
.post-hero{padding:130px 24px 80px;text-align:center;background:var(--bk);position:relative;overflow:hidden}
.post-hero::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:900px;height:700px;background:radial-gradient(ellipse,rgba(255,99,0,.13) 0%,transparent 70%);pointer-events:none}
.post-breadcrumb{display:flex;align-items:center;gap:8px;justify-content:center;font-size:13px;color:var(--gr);margin-bottom:28px;position:relative;z-index:1}
.post-breadcrumb a{color:var(--gr2);transition:color .2s}
.post-breadcrumb a:hover{color:var(--or)}
.post-category{display:inline-flex;align-items:center;gap:8px;background:var(--or-dim);border:1px solid var(--or-border);border-radius:100px;padding:6px 18px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--or);margin-bottom:28px;position:relative;z-index:1}
.post-hero h1{font-size:clamp(32px,5.5vw,72px);font-weight:900;letter-spacing:-.045em;line-height:1.05;margin-bottom:28px;max-width:860px;margin-left:auto;margin-right:auto;position:relative;z-index:1}
.post-hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--or),var(--or2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.post-meta{display:flex;align-items:center;gap:20px;justify-content:center;flex-wrap:wrap;font-size:13px;color:var(--gr);position:relative;z-index:1}
.post-meta-sep{color:var(--s3)}
.post-meta .tag{background:var(--s2);border:1px solid var(--bd);border-radius:100px;padding:4px 14px;font-size:12px;color:var(--gr2)}

/* HERO VISUAL */
.post-hero-visual{max-width:900px;margin:60px auto 0;border-radius:24px;background:linear-gradient(135deg,var(--s2),var(--s3));aspect-ratio:16/7;overflow:hidden;border:1px solid var(--bd);display:flex;align-items:center;justify-content:center;position:relative}
.post-hero-visual::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(255,99,0,.12),transparent 60%)}

/* TOC */
.post-toc-wrap{position:static !important;max-width:var(--prose-w);margin:80px auto 0;padding:0 24px;right:auto;top:auto;width:auto;float:none}
.post-toc{background:var(--s2);border:1px solid var(--bd);border-radius:var(--r);padding:32px 36px}
.post-toc-title{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--or);margin-bottom:20px}
.post-toc ol{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:12px}
.post-toc ol li{counter-increment:toc;display:flex;align-items:flex-start;gap:14px}
.post-toc ol li::before{content:counter(toc,decimal-leading-zero);font-size:11px;font-weight:700;color:var(--or);flex-shrink:0;margin-top:2px}
.post-toc ol li a{font-size:15px;color:var(--gr2);transition:color .2s;line-height:1.4}
.post-toc ol li a:hover{color:var(--wh)}

/* BODY */
.post-body{max-width:var(--prose-w);margin:0 auto;padding:72px 24px 100px}
.post-body h2{font-size:clamp(22px,3vw,34px);font-weight:900;letter-spacing:-.035em;line-height:1.15;margin:72px 0 24px;color:var(--wh);scroll-margin-top:80px}
.post-body h2::before{content:'';display:block;width:36px;height:3px;background:var(--or);border-radius:2px;margin-bottom:18px}
.post-body h3{font-size:clamp(18px,2vw,24px);font-weight:800;letter-spacing:-.025em;margin:44px 0 16px;color:var(--wh);scroll-margin-top:80px}
.post-body p{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);margin-bottom:28px}
.post-body p.lead{font-size:clamp(18px,1.8vw,22px);line-height:1.75;color:rgba(255,255,255,.9);font-weight:400;margin-bottom:40px}
.post-body strong{color:var(--wh);font-weight:700}
.post-body em{font-style:italic;color:var(--gr2)}
.post-body a{color:var(--or);text-decoration:underline;text-underline-offset:3px;transition:opacity .2s}
.post-body a:hover{opacity:.75}
.post-body ul,.post-body ol{padding-left:28px;margin-bottom:28px;display:flex;flex-direction:column;gap:10px}
.post-body ul li,.post-body ol li{font-size:17px;line-height:1.75;color:rgba(255,255,255,.82)}
.post-body ul li::marker{color:var(--or)}
.post-body ol li::marker{color:var(--or);font-weight:700}
.post-body blockquote{border-left:3px solid var(--or);margin:52px 0;padding:24px 32px;background:var(--s2);border-radius:0 var(--r) var(--r) 0}
.post-body blockquote p{font-size:clamp(18px,2vw,22px);font-style:italic;color:var(--wh);line-height:1.65;margin-bottom:0;font-weight:500}
.post-body blockquote cite{display:block;margin-top:14px;font-size:13px;color:var(--or);font-style:normal;font-weight:700;letter-spacing:.04em}
.callout{background:var(--or-dim);border:1px solid var(--or-border);border-radius:var(--r);padding:28px 32px;margin:44px 0}
.callout-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--or);margin-bottom:12px}
.callout p{font-size:16px;color:rgba(255,255,255,.88);margin-bottom:0 !important;line-height:1.7}
.stat-highlight{text-align:center;background:var(--s2);border:1px solid var(--bd);border-radius:var(--r);padding:48px 32px;margin:52px 0;display:flex;flex-direction:column;align-items:center;gap:8px}
.stat-highlight .big-num{font-size:clamp(52px,8vw,96px);font-weight:900;letter-spacing:-.05em;line-height:1;background:linear-gradient(135deg,var(--or),var(--or2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-highlight .big-label{font-size:16px;color:var(--gr2);max-width:420px;line-height:1.5}
.post-divider{border:none;border-top:1px solid var(--bd);margin:64px 0}

/* FAQ SECTION */
.post-faq{background:var(--s1);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd);padding:80px 24px;margin:0}
.post-faq-inner{max-width:var(--prose-w);margin:0 auto}
.post-faq-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--or);margin-bottom:16px}
.post-faq-title{font-size:clamp(24px,3vw,38px);font-weight:900;letter-spacing:-.035em;margin-bottom:52px}
.faq-item{border-bottom:1px solid var(--bd);padding:28px 0}
.faq-item:first-of-type{border-top:1px solid var(--bd)}
.faq-q{font-size:17px;font-weight:700;color:var(--wh);margin-bottom:14px;line-height:1.4}
.faq-a{font-size:16px;color:var(--gr2);line-height:1.8}

/* AUTHOR BAR */
.post-footer-bar{max-width:var(--prose-w);margin:0 auto;padding:0 24px 100px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.post-author{display:flex;align-items:center;gap:16px}
.post-author-avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--or),var(--or2));display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;color:#fff;flex-shrink:0}
.post-author-name{font-size:15px;font-weight:700;color:var(--wh)}
.post-author-title{font-size:13px;color:var(--gr)}
.post-share{display:flex;align-items:center;gap:12px}
.post-share-label{font-size:13px;color:var(--gr)}
.share-btn{width:38px;height:38px;border-radius:50%;background:var(--s2);border:1px solid var(--bd);display:flex;align-items:center;justify-content:center;font-size:15px;cursor:pointer;transition:border-color .2s,background .2s;text-decoration:none;color:var(--wh)}
.share-btn:hover{background:var(--or-dim);border-color:var(--or)}

/* RELATED */
.related-section{background:var(--s1);border-top:1px solid var(--bd);padding:100px 24px}
.related-inner{max-width:1100px;margin:0 auto}
.related-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--or);margin-bottom:16px}
.related-title{font-size:clamp(24px,3vw,38px);font-weight:900;letter-spacing:-.035em;margin-bottom:52px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--s2);border:1px solid var(--bd);border-radius:var(--r);padding:32px 28px;display:flex;flex-direction:column;gap:14px;transition:border-color .3s,transform .3s;text-decoration:none}
.related-card:hover{border-color:var(--or-border);transform:translateY(-4px)}
.related-tag{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--or);background:var(--or-dim);border:1px solid var(--or-border);border-radius:100px;padding:4px 12px;display:inline-flex;align-self:flex-start}
.related-card h3{font-size:17px;font-weight:800;letter-spacing:-.02em;line-height:1.35;color:var(--wh)}
.related-card-read{font-size:13px;font-weight:700;color:var(--or);letter-spacing:.04em;text-transform:uppercase;margin-top:auto;transition:letter-spacing .3s}
.related-card:hover .related-card-read{letter-spacing:.08em}

/* CTA */
.post-cta{padding:100px 24px;text-align:center;background:var(--bk);border-top:1px solid var(--bd)}
.post-cta h2{font-size:clamp(28px,4vw,56px);font-weight:900;letter-spacing:-.04em;margin-bottom:20px}
.post-cta h2 em{font-style:normal;background:linear-gradient(135deg,var(--or),var(--or2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.post-cta p{font-size:17px;color:var(--gr2);margin-bottom:40px;max-width:480px;margin-left:auto;margin-right:auto}
.btn-cta{display:inline-block;background:var(--or);color:#fff;padding:16px 36px;border-radius:100px;font-size:15px;font-weight:700;letter-spacing:.02em;transition:opacity .2s,transform .2s,box-shadow .2s}
.btn-cta:hover{opacity:.88;transform:scale(.97);box-shadow:0 0 40px var(--or-glow)}

/* FOOTER */
footer{background:var(--s1);border-top:1px solid var(--bd);padding:80px 40px 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:60px;max-width:1160px;margin:0 auto 60px}
.foot-desc{font-size:14px;color:var(--gr);line-height:1.7;margin-top:18px}
.foot-col-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--gr);margin-bottom:20px}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:var(--gr2);transition:color .2s}
.foot-links a:hover{color:var(--wh)}
.foot-bottom{max-width:1160px;margin:0 auto;padding-top:28px;border-top:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-copy{font-size:13px;color:var(--gr)}
.foot-copy span{color:var(--or)}
.foot-socials{display:flex;gap:12px}
.foot-soc{width:36px;height:36px;border-radius:50%;background:var(--s3);border:1px solid var(--bd);display:flex;align-items:center;justify-content:center;font-size:16px;transition:border-color .2s,background .2s}
.foot-soc:hover{background:var(--or-dim);border-color:var(--or)}

@media(max-width:900px){
  #nav{padding:0 20px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .post-toc-wrap{display:none}
  .related-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px}
  .post-footer-bar{flex-direction:column;align-items:flex-start}
}
@media(max-width:600px){
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .post-body h2{margin-top:52px}
  .post-toc{padding:24px}
}