:root{--tt-deep:#051C2C;--tt-navy:#0A2B45;--tt-blue:#0066B2;--tt-cyan:#00B7D4;--tt-aqua:#7FE3D4;--tt-orange:#FF6B2B;--tt-amber:#FFB627;--tt-cream:#FAF7F2;--tt-paper:#F4F1EA;--tt-ink:#0B1620;--tt-gray:#5A6878;--tt-line:#E3DED3;--display:'Bricolage Grotesque',system-ui,sans-serif;--body:'Inter Tight',system-ui,sans-serif;--serif:'Fraunces',Georgia,serif;--mono:'JetBrains Mono',monospace}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--body);background:var(--tt-cream);color:var(--tt-ink);line-height:1.65;font-size:18px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.topbar{background:var(--tt-deep);color:var(--tt-aqua);font-family:var(--mono);font-size:12px;padding:8px 0;border-bottom:1px solid rgba(127,227,212,.15)}
.topbar-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.topbar a:hover{color:var(--tt-orange)}
header.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(250,247,242,.92);border-bottom:1px solid var(--tt-line)}
.header-inner{max-width:1280px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center}
.logo-block{display:flex;align-items:center;gap:12px}
.logo-mark{width:44px;height:44px;background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-1px;position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.4),transparent 60%)}
.logo-text{font-family:var(--display);font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--tt-deep)}
.logo-text span{color:var(--tt-cyan)}
nav.main-nav ul{display:flex;gap:32px;list-style:none}
nav.main-nav a{font-size:14px;font-weight:500;color:var(--tt-ink);position:relative;padding:4px 0;transition:color .2s}
nav.main-nav a:hover{color:var(--tt-blue)}
nav.main-nav a.active{color:var(--tt-blue)}
nav.main-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--tt-orange)}
.cta-header{background:var(--tt-orange);color:#fff!important;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}
.cta-header:hover{background:var(--tt-deep)!important;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--tt-deep)}
.article-hero{background:var(--tt-deep);color:#fff;padding:80px 24px 100px;position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 700px 400px at 80% 30%,rgba(0,183,212,.22),transparent),radial-gradient(ellipse 500px 400px at 15% 90%,rgba(255,107,43,.12),transparent);pointer-events:none}
.article-hero::after{content:'';position:absolute;right:-150px;bottom:-150px;width:500px;height:500px;border:1px solid rgba(0,183,212,.15);border-radius:50%;pointer-events:none}
.hero-inner{max-width:920px;margin:0 auto;position:relative;z-index:2}
.breadcrumbs{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-aqua);margin-bottom:32px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span.sep{opacity:.4}
.breadcrumbs span.current{color:#fff;opacity:.7}
.cat-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:2px;background:var(--tt-orange);color:#fff;padding:8px 16px;border-radius:999px;margin-bottom:28px}
.cat-badge::before{content:'';width:6px;height:6px;background:#fff;border-radius:50%}
h1.article-title{font-family:var(--display);font-size:clamp(40px,6vw,80px);line-height:.95;letter-spacing:-2.5px;font-weight:800;margin-bottom:32px}
h1.article-title em{font-style:italic;font-weight:400;color:var(--tt-cyan)}
.article-meta{display:flex;gap:32px;flex-wrap:wrap;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:rgba(255,255,255,.65)}
.article-meta div{display:flex;flex-direction:column;gap:4px}
.article-meta strong{color:var(--tt-cyan);font-weight:500}
.article-layout{max-width:1180px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:240px 1fr;gap:80px;align-items:start}
aside.toc{position:sticky;top:120px}
.toc-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--tt-gray);margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--tt-line)}
.toc ul{list-style:none}
.toc li{margin-bottom:14px}
.toc a{font-size:13px;color:var(--tt-gray);line-height:1.4;display:block;padding-left:14px;border-left:2px solid var(--tt-line);transition:all .2s}
.toc a:hover{color:var(--tt-blue);border-left-color:var(--tt-cyan)}
article.content{max-width:720px}
article.content > p:first-of-type{font-family:var(--serif);font-size:24px;line-height:1.5;color:var(--tt-deep);font-weight:400;margin-bottom:48px;letter-spacing:-.3px}
article.content p{margin-bottom:24px;color:#1a2838}
article.content h2{font-family:var(--display);font-size:clamp(28px,3.5vw,42px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin:64px 0 24px;line-height:1.05;scroll-margin-top:120px}
article.content h2 .num{font-family:var(--mono);font-size:14px;font-weight:500;color:var(--tt-orange);text-transform:uppercase;letter-spacing:2px;display:block;margin-bottom:12px}
article.content h3{font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:-.5px;color:var(--tt-deep);margin:40px 0 16px;line-height:1.15}
article.content ul,article.content ol{margin:20px 0 28px 24px;color:#1a2838}
article.content li{margin-bottom:10px;padding-left:8px}
article.content ul li::marker{color:var(--tt-cyan);content:'■  '}
article.content strong{color:var(--tt-deep);font-weight:600}
article.content a.inline{color:var(--tt-blue);border-bottom:1px solid var(--tt-cyan);font-weight:500;transition:all .2s}
article.content a.inline:hover{background:var(--tt-aqua);color:var(--tt-deep)}
.callout{background:linear-gradient(135deg,var(--tt-paper),#fff);border-left:4px solid var(--tt-orange);padding:32px 36px;margin:40px 0;border-radius:0 16px 16px 0;position:relative}
.callout::before{content:'⚡';position:absolute;top:-12px;left:32px;background:var(--tt-orange);color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}
.callout strong{display:block;font-family:var(--display);font-size:18px;color:var(--tt-deep);margin-bottom:8px}
.callout p{margin:0;font-size:15px;color:var(--tt-gray)}
.pullquote{font-family:var(--serif);font-style:italic;font-size:32px;line-height:1.2;color:var(--tt-deep);margin:56px 0;padding:0 0 0 32px;border-left:4px solid var(--tt-cyan);font-weight:400;letter-spacing:-.5px}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.fact{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px;text-align:center}
.fact .v{font-family:var(--display);font-size:36px;font-weight:800;color:var(--tt-blue);letter-spacing:-1.5px;line-height:1}
.fact .l{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--tt-gray);margin-top:8px}
.discipline-card {
  background: #bae0fd;
  color: #fff;
  border-radius: 20px;
  padding: 36px;
  margin: 24px 0;
  position: relative;
  overflow: hidden;
}

.discipline-card h4,
.discipline-card p {
  color: #fff;
  position: relative;
  z-index: 2;
}
.discipline-card::before{content:'';position:absolute;top:0;right:0;width:200px;height:200px;background:radial-gradient(circle,var(--tt-cyan),transparent 70%);opacity:.15}
.discipline-card h4{font-family:var(--display);font-size:24px;font-weight:700;margin-bottom:12px;color:var(--tt-cyan)}
.discipline-card p{color:rgba(255,255,255,.8);margin:0;font-size:15px}
.inline-cta{background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));color:#fff;padding:48px;border-radius:24px;margin:56px 0;text-align:center;position:relative;overflow:hidden}
.inline-cta::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,transparent 0 20px,rgba(255,255,255,.05) 20px 40px)}
.inline-cta h3{font-family:var(--display);font-size:32px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:16px;position:relative}
.inline-cta p{color:rgba(255,255,255,.9);margin-bottom:28px;position:relative;font-size:16px}
.inline-cta a{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--tt-deep);padding:16px 32px;border-radius:999px;font-weight:600;font-size:15px;position:relative;transition:transform .2s}
.inline-cta a:hover{transform:translateY(-2px)}
.inline-cta a::after{content:'→'}
.faq-section{margin:64px 0}
.faq-section h2{margin-bottom:24px}
details.faq{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px 28px;margin-bottom:12px;cursor:pointer;transition:border-color .2s}
details.faq[open]{border-color:var(--tt-cyan)}
details.faq summary{font-family:var(--display);font-size:18px;font-weight:600;color:var(--tt-deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
details.faq summary::after{content:'+';font-size:24px;color:var(--tt-orange);transition:transform .3s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq summary::-webkit-details-marker{display:none}
details.faq p{margin-top:16px;color:var(--tt-gray);font-size:15px;line-height:1.6}
.related{background:var(--tt-paper);padding:80px 24px;border-top:1px solid var(--tt-line)}
.related-inner{max-width:1180px;margin:0 auto}
.related h2{font-family:var(--display);font-size:clamp(32px,4vw,48px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin-bottom:48px}
.related h2 em{font-style:italic;font-weight:400;color:var(--tt-blue)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{background:#fff;border:1px solid var(--tt-line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.rel-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -20px rgba(5,28,44,.2)}
.rel-visual{height:160px;position:relative}
.rel-visual span{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1.5px;background:rgba(0,0,0,.4);color:#fff;padding:6px 12px;border-radius:999px}
.rel-card .body{padding:24px}
.rel-card h3{font-family:var(--display);font-size:18px;font-weight:700;color:var(--tt-deep);line-height:1.2;margin-bottom:12px}
.rel-card p{font-size:13px;color:var(--tt-gray);line-height:1.5}
.compare-table{width:100%;border-collapse:collapse;margin:32px 0;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--tt-line);font-size:15px}
.compare-table th{background:var(--tt-deep);color:#fff;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:16px;text-align:left}
.compare-table td{padding:16px;border-top:1px solid var(--tt-line);color:#1a2838}
.compare-table tr:hover td{background:var(--tt-cream)}
.compare-table strong{color:var(--tt-blue)}
footer{background:#03131F;color:rgba(255,255,255,.7);padding:80px 24px 32px}
.footer-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:20px;font-size:14px;max-width:320px;line-height:1.6}
.footer-col h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-cyan);margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--tt-orange)}
.footer-bottom{max-width:1280px;margin:0 auto;padding-top:32px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;font-family:var(--mono);color:rgba(255,255,255,.4)}
@media(max-width:980px){.article-layout{grid-template-columns:1fr;gap:0;padding:48px 24px}aside.toc{display:none}nav.main-nav ul{display:none}.menu-toggle{display:block}.related-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.article-hero{padding:60px 24px 70px}.fact-grid{grid-template-columns:1fr;gap:12px}.pullquote{font-size:24px;padding-left:20px}article.content > p:first-of-type{font-size:20px}.compare-table{font-size:13px}.compare-table td,.compare-table th{padding:12px 8px}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr}.topbar-inner{font-size:10px}.inline-cta{padding:32px 24px}.inline-cta h3{font-size:24px}}

:root{--tt-deep:#051C2C;--tt-navy:#0A2B45;--tt-blue:#0066B2;--tt-cyan:#00B7D4;--tt-aqua:#7FE3D4;--tt-orange:#FF6B2B;--tt-amber:#FFB627;--tt-cream:#FAF7F2;--tt-paper:#F4F1EA;--tt-ink:#0B1620;--tt-gray:#5A6878;--tt-line:#E3DED3;--display:'Bricolage Grotesque',system-ui,sans-serif;--body:'Inter Tight',system-ui,sans-serif;--serif:'Fraunces',Georgia,serif;--mono:'JetBrains Mono',monospace}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--body);background:var(--tt-cream);color:var(--tt-ink);line-height:1.65;font-size:18px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.topbar{background:var(--tt-deep);color:var(--tt-aqua);font-family:var(--mono);font-size:12px;padding:8px 0;border-bottom:1px solid rgba(127,227,212,.15)}
.topbar-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.topbar a:hover{color:var(--tt-orange)}
header.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(250,247,242,.92);border-bottom:1px solid var(--tt-line)}
.header-inner{max-width:1280px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center}
.logo-block{display:flex;align-items:center;gap:12px}
.logo-mark{width:44px;height:44px;background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-1px;position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.4),transparent 60%)}
.logo-text{font-family:var(--display);font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--tt-deep)}
.logo-text span{color:var(--tt-cyan)}
nav.main-nav ul{display:flex;gap:32px;list-style:none}
nav.main-nav a{font-size:14px;font-weight:500;color:var(--tt-ink);position:relative;padding:4px 0;transition:color .2s}
nav.main-nav a:hover{color:var(--tt-blue)}
nav.main-nav a.active{color:var(--tt-blue)}
nav.main-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--tt-orange)}
.cta-header{background:var(--tt-orange);color:#fff!important;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}
.cta-header:hover{background:var(--tt-deep)!important;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--tt-deep)}
.article-hero{background:var(--tt-deep);color:#fff;padding:80px 24px 100px;position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 700px 400px at 80% 30%,rgba(0,183,212,.22),transparent),radial-gradient(ellipse 500px 400px at 15% 90%,rgba(255,107,43,.12),transparent);pointer-events:none}
.article-hero::after{content:'';position:absolute;right:-150px;bottom:-150px;width:500px;height:500px;border:1px solid rgba(0,183,212,.15);border-radius:50%;pointer-events:none}
.hero-inner{max-width:920px;margin:0 auto;position:relative;z-index:2}
.breadcrumbs{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-aqua);margin-bottom:32px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span.sep{opacity:.4}
.breadcrumbs span.current{color:#fff;opacity:.7}
.cat-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:2px;background:var(--tt-orange);color:#fff;padding:8px 16px;border-radius:999px;margin-bottom:28px}
.cat-badge::before{content:'';width:6px;height:6px;background:#fff;border-radius:50%}
h1.article-title{font-family:var(--display);font-size:clamp(40px,6vw,80px);line-height:.95;letter-spacing:-2.5px;font-weight:800;margin-bottom:32px}
h1.article-title em{font-style:italic;font-weight:400;color:var(--tt-cyan)}
.article-meta{display:flex;gap:32px;flex-wrap:wrap;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:rgba(255,255,255,.65)}
.article-meta div{display:flex;flex-direction:column;gap:4px}
.article-meta strong{color:var(--tt-cyan);font-weight:500}
.article-layout{max-width:1180px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:240px 1fr;gap:80px;align-items:start}
aside.toc{position:sticky;top:120px}
.toc-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--tt-gray);margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--tt-line)}
.toc ul{list-style:none}
.toc li{margin-bottom:14px}
.toc a{font-size:13px;color:var(--tt-gray);line-height:1.4;display:block;padding-left:14px;border-left:2px solid var(--tt-line);transition:all .2s}
.toc a:hover{color:var(--tt-blue);border-left-color:var(--tt-cyan)}
article.content{max-width:720px}
article.content > p:first-of-type{font-family:var(--serif);font-size:24px;line-height:1.5;color:var(--tt-deep);font-weight:400;margin-bottom:48px;letter-spacing:-.3px}
article.content p{margin-bottom:24px;color:#1a2838}
article.content h2{font-family:var(--display);font-size:clamp(28px,3.5vw,42px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin:64px 0 24px;line-height:1.05;scroll-margin-top:120px}
article.content h2 .num{font-family:var(--mono);font-size:14px;font-weight:500;color:var(--tt-orange);text-transform:uppercase;letter-spacing:2px;display:block;margin-bottom:12px}
article.content h3{font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:-.5px;color:var(--tt-deep);margin:40px 0 16px;line-height:1.15}
article.content ul,article.content ol{margin:20px 0 28px 24px;color:#1a2838}
article.content li{margin-bottom:10px;padding-left:8px}
article.content ul li::marker{color:var(--tt-cyan);content:'■  '}
article.content strong{color:var(--tt-deep);font-weight:600}
article.content a.inline{color:var(--tt-blue);border-bottom:1px solid var(--tt-cyan);font-weight:500;transition:all .2s}
article.content a.inline:hover{background:var(--tt-aqua);color:var(--tt-deep)}
.callout{background:linear-gradient(135deg,var(--tt-paper),#fff);border-left:4px solid var(--tt-orange);padding:32px 36px;margin:40px 0;border-radius:0 16px 16px 0;position:relative}
.callout::before{content:'⚡';position:absolute;top:-12px;left:32px;background:var(--tt-orange);color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}
.callout strong{display:block;font-family:var(--display);font-size:18px;color:var(--tt-deep);margin-bottom:8px}
.callout p{margin:0;font-size:15px;color:var(--tt-gray)}
.pullquote{font-family:var(--serif);font-style:italic;font-size:32px;line-height:1.2;color:var(--tt-deep);margin:56px 0;padding:0 0 0 32px;border-left:4px solid var(--tt-cyan);font-weight:400;letter-spacing:-.5px}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.fact{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px;text-align:center}
.fact .v{font-family:var(--display);font-size:36px;font-weight:800;color:var(--tt-blue);letter-spacing:-1.5px;line-height:1}
.fact .l{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--tt-gray);margin-top:8px}

.discipline-card::before{content:'';position:absolute;top:0;right:0;width:200px;height:200px;background:radial-gradient(circle,var(--tt-cyan),transparent 70%);opacity:.15}
.discipline-card h4{font-family:var(--display);font-size:24px;font-weight:700;margin-bottom:12px;color:var(--tt-cyan)}
.discipline-card p{color:rgba(255,255,255,.8);margin:0;font-size:15px}
.inline-cta{background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));color:#fff;padding:48px;border-radius:24px;margin:56px 0;text-align:center;position:relative;overflow:hidden}
.inline-cta::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,transparent 0 20px,rgba(255,255,255,.05) 20px 40px)}
.inline-cta h3{font-family:var(--display);font-size:32px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:16px;position:relative}
.inline-cta p{color:rgba(255,255,255,.9);margin-bottom:28px;position:relative;font-size:16px}
.inline-cta a{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--tt-deep);padding:16px 32px;border-radius:999px;font-weight:600;font-size:15px;position:relative;transition:transform .2s}
.inline-cta a:hover{transform:translateY(-2px)}
.inline-cta a::after{content:'→'}
.faq-section{margin:64px 0}
.faq-section h2{margin-bottom:24px}
details.faq{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px 28px;margin-bottom:12px;cursor:pointer;transition:border-color .2s}
details.faq[open]{border-color:var(--tt-cyan)}
details.faq summary{font-family:var(--display);font-size:18px;font-weight:600;color:var(--tt-deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
details.faq summary::after{content:'+';font-size:24px;color:var(--tt-orange);transition:transform .3s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq summary::-webkit-details-marker{display:none}
details.faq p{margin-top:16px;color:var(--tt-gray);font-size:15px;line-height:1.6}
.related{background:var(--tt-paper);padding:80px 24px;border-top:1px solid var(--tt-line)}
.related-inner{max-width:1180px;margin:0 auto}
.related h2{font-family:var(--display);font-size:clamp(32px,4vw,48px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin-bottom:48px}
.related h2 em{font-style:italic;font-weight:400;color:var(--tt-blue)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{background:#fff;border:1px solid var(--tt-line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.rel-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -20px rgba(5,28,44,.2)}
.rel-visual{height:160px;position:relative}
.rel-visual span{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1.5px;background:rgba(0,0,0,.4);color:#fff;padding:6px 12px;border-radius:999px}
.rel-card .body{padding:24px}
.rel-card h3{font-family:var(--display);font-size:18px;font-weight:700;color:var(--tt-deep);line-height:1.2;margin-bottom:12px}
.rel-card p{font-size:13px;color:var(--tt-gray);line-height:1.5}
.compare-table{width:100%;border-collapse:collapse;margin:32px 0;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--tt-line);font-size:15px}
.compare-table th{background:var(--tt-deep);color:#fff;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:16px;text-align:left}
.compare-table td{padding:16px;border-top:1px solid var(--tt-line);color:#1a2838}
.compare-table tr:hover td{background:var(--tt-cream)}
.compare-table strong{color:var(--tt-blue)}
footer{background:#03131F;color:rgba(255,255,255,.7);padding:80px 24px 32px}
.footer-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:20px;font-size:14px;max-width:320px;line-height:1.6}
.footer-col h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-cyan);margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--tt-orange)}
.footer-bottom{max-width:1280px;margin:0 auto;padding-top:32px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;font-family:var(--mono);color:rgba(255,255,255,.4)}
@media(max-width:980px){.article-layout{grid-template-columns:1fr;gap:0;padding:48px 24px}aside.toc{display:none}nav.main-nav ul{display:none}.menu-toggle{display:block}.related-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.article-hero{padding:60px 24px 70px}.fact-grid{grid-template-columns:1fr;gap:12px}.pullquote{font-size:24px;padding-left:20px}article.content > p:first-of-type{font-size:20px}.compare-table{font-size:13px}.compare-table td,.compare-table th{padding:12px 8px}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr}.topbar-inner{font-size:10px}.inline-cta{padding:32px 24px}.inline-cta h3{font-size:24px}}

:root{--tt-deep:#051C2C;--tt-navy:#0A2B45;--tt-blue:#0066B2;--tt-cyan:#00B7D4;--tt-aqua:#7FE3D4;--tt-orange:#FF6B2B;--tt-amber:#FFB627;--tt-cream:#FAF7F2;--tt-paper:#F4F1EA;--tt-ink:#0B1620;--tt-gray:#5A6878;--tt-line:#E3DED3;--display:'Bricolage Grotesque',system-ui,sans-serif;--body:'Inter Tight',system-ui,sans-serif;--serif:'Fraunces',Georgia,serif;--mono:'JetBrains Mono',monospace}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--body);background:var(--tt-cream);color:var(--tt-ink);line-height:1.65;font-size:18px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.topbar{background:var(--tt-deep);color:var(--tt-aqua);font-family:var(--mono);font-size:12px;padding:8px 0;border-bottom:1px solid rgba(127,227,212,.15)}
.topbar-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.topbar a:hover{color:var(--tt-orange)}
header.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(250,247,242,.92);border-bottom:1px solid var(--tt-line)}
.header-inner{max-width:1280px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center}
.logo-block{display:flex;align-items:center;gap:12px}
.logo-mark{width:44px;height:44px;background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-1px;position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.4),transparent 60%)}
.logo-text{font-family:var(--display);font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--tt-deep)}
.logo-text span{color:var(--tt-cyan)}
nav.main-nav ul{display:flex;gap:32px;list-style:none}
nav.main-nav a{font-size:14px;font-weight:500;color:var(--tt-ink);position:relative;padding:4px 0;transition:color .2s}
nav.main-nav a:hover{color:var(--tt-blue)}
nav.main-nav a.active{color:var(--tt-blue)}
nav.main-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--tt-orange)}
.cta-header{background:var(--tt-orange);color:#fff!important;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}
.cta-header:hover{background:var(--tt-deep)!important;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--tt-deep)}
.article-hero{background:var(--tt-deep);color:#fff;padding:80px 24px 100px;position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 700px 400px at 80% 30%,rgba(0,183,212,.22),transparent),radial-gradient(ellipse 500px 400px at 15% 90%,rgba(255,107,43,.12),transparent);pointer-events:none}
.article-hero::after{content:'';position:absolute;right:-150px;bottom:-150px;width:500px;height:500px;border:1px solid rgba(0,183,212,.15);border-radius:50%;pointer-events:none}
.hero-inner{max-width:920px;margin:0 auto;position:relative;z-index:2}
.breadcrumbs{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-aqua);margin-bottom:32px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span.sep{opacity:.4}
.breadcrumbs span.current{color:#fff;opacity:.7}
.cat-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:2px;background:var(--tt-orange);color:#fff;padding:8px 16px;border-radius:999px;margin-bottom:28px}
.cat-badge::before{content:'';width:6px;height:6px;background:#fff;border-radius:50%}
h1.article-title{font-family:var(--display);font-size:clamp(40px,6vw,80px);line-height:.95;letter-spacing:-2.5px;font-weight:800;margin-bottom:32px}
h1.article-title em{font-style:italic;font-weight:400;color:var(--tt-cyan)}
.article-meta{display:flex;gap:32px;flex-wrap:wrap;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:rgba(255,255,255,.65)}
.article-meta div{display:flex;flex-direction:column;gap:4px}
.article-meta strong{color:var(--tt-cyan);font-weight:500}
.article-layout{max-width:1180px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:240px 1fr;gap:80px;align-items:start}
aside.toc{position:sticky;top:120px}
.toc-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--tt-gray);margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--tt-line)}
.toc ul{list-style:none}
.toc li{margin-bottom:14px}
.toc a{font-size:13px;color:var(--tt-gray);line-height:1.4;display:block;padding-left:14px;border-left:2px solid var(--tt-line);transition:all .2s}
.toc a:hover{color:var(--tt-blue);border-left-color:var(--tt-cyan)}
article.content{max-width:720px}
article.content > p:first-of-type{font-family:var(--serif);font-size:24px;line-height:1.5;color:var(--tt-deep);font-weight:400;margin-bottom:48px;letter-spacing:-.3px}
article.content p{margin-bottom:24px;color:#1a2838}
article.content h2{font-family:var(--display);font-size:clamp(28px,3.5vw,42px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin:64px 0 24px;line-height:1.05;scroll-margin-top:120px}
article.content h2 .num{font-family:var(--mono);font-size:14px;font-weight:500;color:var(--tt-orange);text-transform:uppercase;letter-spacing:2px;display:block;margin-bottom:12px}
article.content h3{font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:-.5px;color:var(--tt-deep);margin:40px 0 16px;line-height:1.15}
article.content ul,article.content ol{margin:20px 0 28px 24px;color:#1a2838}
article.content li{margin-bottom:10px;padding-left:8px}
article.content ul li::marker{color:var(--tt-cyan);content:'■  '}
article.content strong{color:var(--tt-deep);font-weight:600}
article.content a.inline{color:var(--tt-blue);border-bottom:1px solid var(--tt-cyan);font-weight:500;transition:all .2s}
article.content a.inline:hover{background:var(--tt-aqua);color:var(--tt-deep)}
.callout{background:linear-gradient(135deg,var(--tt-paper),#fff);border-left:4px solid var(--tt-orange);padding:32px 36px;margin:40px 0;border-radius:0 16px 16px 0;position:relative}
.callout::before{content:'⚡';position:absolute;top:-12px;left:32px;background:var(--tt-orange);color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}
.callout strong{display:block;font-family:var(--display);font-size:18px;color:var(--tt-deep);margin-bottom:8px}
.callout p{margin:0;font-size:15px;color:var(--tt-gray)}
.pullquote{font-family:var(--serif);font-style:italic;font-size:32px;line-height:1.2;color:var(--tt-deep);margin:56px 0;padding:0 0 0 32px;border-left:4px solid var(--tt-cyan);font-weight:400;letter-spacing:-.5px}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.fact{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px;text-align:center}
.fact .v{font-family:var(--display);font-size:36px;font-weight:800;color:var(--tt-blue);letter-spacing:-1.5px;line-height:1}
.fact .l{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--tt-gray);margin-top:8px}

.discipline-card h4{font-family:var(--display);font-size:24px;font-weight:700;margin-bottom:12px;color:var(--tt-cyan)}
.discipline-card p{color:rgba(255,255,255,.8);margin:0;font-size:15px}
.inline-cta{background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));color:#fff;padding:48px;border-radius:24px;margin:56px 0;text-align:center;position:relative;overflow:hidden}
.inline-cta::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,transparent 0 20px,rgba(255,255,255,.05) 20px 40px)}
.inline-cta h3{font-family:var(--display);font-size:32px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:16px;position:relative}
.inline-cta p{color:rgba(255,255,255,.9);margin-bottom:28px;position:relative;font-size:16px}
.inline-cta a{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--tt-deep);padding:16px 32px;border-radius:999px;font-weight:600;font-size:15px;position:relative;transition:transform .2s}
.inline-cta a:hover{transform:translateY(-2px)}
.inline-cta a::after{content:'→'}
.faq-section{margin:64px 0}
.faq-section h2{margin-bottom:24px}
details.faq{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px 28px;margin-bottom:12px;cursor:pointer;transition:border-color .2s}
details.faq[open]{border-color:var(--tt-cyan)}
details.faq summary{font-family:var(--display);font-size:18px;font-weight:600;color:var(--tt-deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
details.faq summary::after{content:'+';font-size:24px;color:var(--tt-orange);transition:transform .3s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq summary::-webkit-details-marker{display:none}
details.faq p{margin-top:16px;color:var(--tt-gray);font-size:15px;line-height:1.6}
.related{background:var(--tt-paper);padding:80px 24px;border-top:1px solid var(--tt-line)}
.related-inner{max-width:1180px;margin:0 auto}
.related h2{font-family:var(--display);font-size:clamp(32px,4vw,48px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin-bottom:48px}
.related h2 em{font-style:italic;font-weight:400;color:var(--tt-blue)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{background:#fff;border:1px solid var(--tt-line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.rel-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -20px rgba(5,28,44,.2)}
.rel-visual{height:160px;position:relative}
.rel-visual span{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1.5px;background:rgba(0,0,0,.4);color:#fff;padding:6px 12px;border-radius:999px}
.rel-card .body{padding:24px}
.rel-card h3{font-family:var(--display);font-size:18px;font-weight:700;color:var(--tt-deep);line-height:1.2;margin-bottom:12px}
.rel-card p{font-size:13px;color:var(--tt-gray);line-height:1.5}
.compare-table{width:100%;border-collapse:collapse;margin:32px 0;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--tt-line);font-size:15px}
.compare-table th{background:var(--tt-deep);color:#fff;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:16px;text-align:left}
.compare-table td{padding:16px;border-top:1px solid var(--tt-line);color:#1a2838}
.compare-table tr:hover td{background:var(--tt-cream)}
.compare-table strong{color:var(--tt-blue)}
footer{background:#03131F;color:rgba(255,255,255,.7);padding:80px 24px 32px}
.footer-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:20px;font-size:14px;max-width:320px;line-height:1.6}
.footer-col h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-cyan);margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--tt-orange)}
.footer-bottom{max-width:1280px;margin:0 auto;padding-top:32px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;font-family:var(--mono);color:rgba(255,255,255,.4)}
@media(max-width:980px){.article-layout{grid-template-columns:1fr;gap:0;padding:48px 24px}aside.toc{display:none}nav.main-nav ul{display:none}.menu-toggle{display:block}.related-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.article-hero{padding:60px 24px 70px}.fact-grid{grid-template-columns:1fr;gap:12px}.pullquote{font-size:24px;padding-left:20px}article.content > p:first-of-type{font-size:20px}.compare-table{font-size:13px}.compare-table td,.compare-table th{padding:12px 8px}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr}.topbar-inner{font-size:10px}.inline-cta{padding:32px 24px}.inline-cta h3{font-size:24px}}
:root{--tt-deep:#051C2C;--tt-navy:#0A2B45;--tt-blue:#0066B2;--tt-cyan:#00B7D4;--tt-aqua:#7FE3D4;--tt-orange:#FF6B2B;--tt-amber:#FFB627;--tt-cream:#FAF7F2;--tt-paper:#F4F1EA;--tt-ink:#0B1620;--tt-gray:#5A6878;--tt-line:#E3DED3;--display:'Bricolage Grotesque',system-ui,sans-serif;--body:'Inter Tight',system-ui,sans-serif;--serif:'Fraunces',Georgia,serif;--mono:'JetBrains Mono',monospace}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--body);background:var(--tt-cream);color:var(--tt-ink);line-height:1.65;font-size:18px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.topbar{background:var(--tt-deep);color:var(--tt-aqua);font-family:var(--mono);font-size:12px;padding:8px 0;border-bottom:1px solid rgba(127,227,212,.15)}
.topbar-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.topbar a:hover{color:var(--tt-orange)}
header.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(250,247,242,.92);border-bottom:1px solid var(--tt-line)}
.header-inner{max-width:1280px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center}
.logo-block{display:flex;align-items:center;gap:12px}
.logo-mark{width:44px;height:44px;background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-1px;position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.4),transparent 60%)}
.logo-text{font-family:var(--display);font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--tt-deep)}
.logo-text span{color:var(--tt-cyan)}
nav.main-nav ul{display:flex;gap:32px;list-style:none}
nav.main-nav a{font-size:14px;font-weight:500;color:var(--tt-ink);position:relative;padding:4px 0;transition:color .2s}
nav.main-nav a:hover{color:var(--tt-blue)}
nav.main-nav a.active{color:var(--tt-blue)}
nav.main-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--tt-orange)}
.cta-header{background:var(--tt-orange);color:#fff!important;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}
.cta-header:hover{background:var(--tt-deep)!important;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--tt-deep)}
.article-hero{background:var(--tt-deep);color:#fff;padding:80px 24px 100px;position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 700px 400px at 80% 30%,rgba(0,183,212,.22),transparent),radial-gradient(ellipse 500px 400px at 15% 90%,rgba(255,107,43,.12),transparent);pointer-events:none}
.article-hero::after{content:'';position:absolute;right:-150px;bottom:-150px;width:500px;height:500px;border:1px solid rgba(0,183,212,.15);border-radius:50%;pointer-events:none}
.hero-inner{max-width:920px;margin:0 auto;position:relative;z-index:2}
.breadcrumbs{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-aqua);margin-bottom:32px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span.sep{opacity:.4}
.breadcrumbs span.current{color:#fff;opacity:.7}
.cat-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:2px;background:var(--tt-orange);color:#fff;padding:8px 16px;border-radius:999px;margin-bottom:28px}
.cat-badge::before{content:'';width:6px;height:6px;background:#fff;border-radius:50%}
h1.article-title{font-family:var(--display);font-size:clamp(40px,6vw,80px);line-height:.95;letter-spacing:-2.5px;font-weight:800;margin-bottom:32px}
h1.article-title em{font-style:italic;font-weight:400;color:var(--tt-cyan)}
.article-meta{display:flex;gap:32px;flex-wrap:wrap;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:rgba(255,255,255,.65)}
.article-meta div{display:flex;flex-direction:column;gap:4px}
.article-meta strong{color:var(--tt-cyan);font-weight:500}
.article-layout{max-width:1180px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:240px 1fr;gap:80px;align-items:start}
aside.toc{position:sticky;top:120px}
.toc-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--tt-gray);margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--tt-line)}
.toc ul{list-style:none}
.toc li{margin-bottom:14px}
.toc a{font-size:13px;color:var(--tt-gray);line-height:1.4;display:block;padding-left:14px;border-left:2px solid var(--tt-line);transition:all .2s}
.toc a:hover{color:var(--tt-blue);border-left-color:var(--tt-cyan)}
article.content{max-width:720px}
article.content > p:first-of-type{font-family:var(--serif);font-size:24px;line-height:1.5;color:var(--tt-deep);font-weight:400;margin-bottom:48px;letter-spacing:-.3px}
article.content p{margin-bottom:24px;color:#1a2838}
article.content h2{font-family:var(--display);font-size:clamp(28px,3.5vw,42px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin:64px 0 24px;line-height:1.05;scroll-margin-top:120px}
article.content h2 .num{font-family:var(--mono);font-size:14px;font-weight:500;color:var(--tt-orange);text-transform:uppercase;letter-spacing:2px;display:block;margin-bottom:12px}
article.content h3{font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:-.5px;color:var(--tt-deep);margin:40px 0 16px;line-height:1.15}
article.content ul,article.content ol{margin:20px 0 28px 24px;color:#1a2838}
article.content li{margin-bottom:10px;padding-left:8px}
article.content ul li::marker{color:var(--tt-cyan);content:'■  '}
article.content strong{color:var(--tt-deep);font-weight:600}
article.content a.inline{color:var(--tt-blue);border-bottom:1px solid var(--tt-cyan);font-weight:500;transition:all .2s}
article.content a.inline:hover{background:var(--tt-aqua);color:var(--tt-deep)}
.callout{background:linear-gradient(135deg,var(--tt-paper),#fff);border-left:4px solid var(--tt-orange);padding:32px 36px;margin:40px 0;border-radius:0 16px 16px 0;position:relative}
.callout::before{content:'⚡';position:absolute;top:-12px;left:32px;background:var(--tt-orange);color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}
.callout strong{display:block;font-family:var(--display);font-size:18px;color:var(--tt-deep);margin-bottom:8px}
.callout p{margin:0;font-size:15px;color:var(--tt-gray)}
.pullquote{font-family:var(--serif);font-style:italic;font-size:32px;line-height:1.2;color:var(--tt-deep);margin:56px 0;padding:0 0 0 32px;border-left:4px solid var(--tt-cyan);font-weight:400;letter-spacing:-.5px}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.fact{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px;text-align:center}
.fact .v{font-family:var(--display);font-size:36px;font-weight:800;color:var(--tt-blue);letter-spacing:-1.5px;line-height:1}
.fact .l{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--tt-gray);margin-top:8px}


.discipline-card h4{font-family:var(--display);font-size:24px;font-weight:700;margin-bottom:12px;color:var(--tt-cyan)}
.discipline-card p{color:rgba(255,255,255,.8);margin:0;font-size:15px}
.inline-cta{background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));color:#fff;padding:48px;border-radius:24px;margin:56px 0;text-align:center;position:relative;overflow:hidden}
.inline-cta::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,transparent 0 20px,rgba(255,255,255,.05) 20px 40px)}
.inline-cta h3{font-family:var(--display);font-size:32px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:16px;position:relative}
.inline-cta p{color:rgba(255,255,255,.9);margin-bottom:28px;position:relative;font-size:16px}
.inline-cta a{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--tt-deep);padding:16px 32px;border-radius:999px;font-weight:600;font-size:15px;position:relative;transition:transform .2s}
.inline-cta a:hover{transform:translateY(-2px)}
.inline-cta a::after{content:'→'}
.faq-section{margin:64px 0}
.faq-section h2{margin-bottom:24px}
details.faq{background:#fff;border:1px solid var(--tt-line);border-radius:16px;padding:24px 28px;margin-bottom:12px;cursor:pointer;transition:border-color .2s}
details.faq[open]{border-color:var(--tt-cyan)}
details.faq summary{font-family:var(--display);font-size:18px;font-weight:600;color:var(--tt-deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
details.faq summary::after{content:'+';font-size:24px;color:var(--tt-orange);transition:transform .3s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq summary::-webkit-details-marker{display:none}
details.faq p{margin-top:16px;color:var(--tt-gray);font-size:15px;line-height:1.6}
.related{background:var(--tt-paper);padding:80px 24px;border-top:1px solid var(--tt-line)}
.related-inner{max-width:1180px;margin:0 auto}
.related h2{font-family:var(--display);font-size:clamp(32px,4vw,48px);font-weight:800;letter-spacing:-1.5px;color:var(--tt-deep);margin-bottom:48px}
.related h2 em{font-style:italic;font-weight:400;color:var(--tt-blue)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{background:#fff;border:1px solid var(--tt-line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.rel-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -20px rgba(5,28,44,.2)}
.rel-visual{height:160px;position:relative}
.rel-visual span{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1.5px;background:rgba(0,0,0,.4);color:#fff;padding:6px 12px;border-radius:999px}
.rel-card .body{padding:24px}
.rel-card h3{font-family:var(--display);font-size:18px;font-weight:700;color:var(--tt-deep);line-height:1.2;margin-bottom:12px}
.rel-card p{font-size:13px;color:var(--tt-gray);line-height:1.5}
.compare-table{width:100%;border-collapse:collapse;margin:32px 0;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--tt-line);font-size:15px}
.compare-table th{background:var(--tt-deep);color:#fff;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:16px;text-align:left}
.compare-table td{padding:16px;border-top:1px solid var(--tt-line);color:#1a2838}
.compare-table tr:hover td{background:var(--tt-cream)}
.compare-table strong{color:var(--tt-blue)}
footer{background:#03131F;color:rgba(255,255,255,.7);padding:80px 24px 32px}
.footer-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:20px;font-size:14px;max-width:320px;line-height:1.6}
.footer-col h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-cyan);margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--tt-orange)}
.footer-bottom{max-width:1280px;margin:0 auto;padding-top:32px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;font-family:var(--mono);color:rgba(255,255,255,.4)}
@media(max-width:980px){.article-layout{grid-template-columns:1fr;gap:0;padding:48px 24px}aside.toc{display:none}nav.main-nav ul{display:none}.menu-toggle{display:block}.related-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.article-hero{padding:60px 24px 70px}.fact-grid{grid-template-columns:1fr;gap:12px}.pullquote{font-size:24px;padding-left:20px}article.content > p:first-of-type{font-size:20px}.compare-table{font-size:13px}.compare-table td,.compare-table th{padding:12px 8px}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr}.topbar-inner{font-size:10px}.inline-cta{padding:32px 24px}.inline-cta h3{font-size:24px}}

:root{
  --tt-deep:#051C2C; --tt-navy:#0A2B45; --tt-blue:#0066B2; --tt-cyan:#00B7D4;
  --tt-aqua:#7FE3D4; --tt-orange:#FF6B2B; --tt-amber:#FFB627;
  --tt-cream:#FAF7F2; --tt-paper:#F4F1EA; --tt-ink:#0B1620; --tt-gray:#5A6878;
  --tt-line:#E3DED3;
  --display:'Bricolage Grotesque',system-ui,sans-serif;
  --body:'Inter Tight',system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--body);background:var(--tt-cream);color:var(--tt-ink);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.topbar{background:var(--tt-deep);color:var(--tt-aqua);font-family:var(--mono);font-size:12px;padding:8px 0;border-bottom:1px solid rgba(127,227,212,.15)}
.topbar-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.topbar a:hover{color:var(--tt-orange)}

header.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(250,247,242,.92);border-bottom:1px solid var(--tt-line)}
.header-inner{max-width:1280px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center}
.logo-block{display:flex;align-items:center;gap:12px}
.logo-mark{width:44px;height:44px;background:linear-gradient(135deg,var(--tt-blue),var(--tt-cyan));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-1px;position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.4),transparent 60%)}
.logo-text{font-family:var(--display);font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--tt-deep)}
.logo-text span{color:var(--tt-cyan)}
nav.main-nav ul{display:flex;gap:32px;list-style:none}
nav.main-nav a{font-size:14px;font-weight:500;color:var(--tt-ink);position:relative;padding:4px 0;transition:color .2s}
nav.main-nav a:hover{color:var(--tt-blue)}
nav.main-nav a.active{color:var(--tt-blue)}
nav.main-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--tt-orange)}
.cta-header{background:var(--tt-orange);color:#fff!important;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}
.cta-header:hover{background:var(--tt-deep)!important;transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--tt-deep)}

.hero{background:var(--tt-deep);color:#fff;padding:100px 24px 140px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 80% 20%,rgba(0,183,212,.25),transparent),radial-gradient(ellipse 600px 500px at 10% 80%,rgba(255,107,43,.15),transparent);pointer-events:none}
.hero::after{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,transparent 0,transparent 79px,rgba(255,255,255,.04) 79px,rgba(255,255,255,.04) 80px);pointer-events:none}
.hero-inner{max-width:1280px;margin:0 auto;position:relative;z-index:2}
.breadcrumbs{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-aqua);margin-bottom:32px;display:flex;gap:8px;align-items:center}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span{opacity:.5}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:2px;color:var(--tt-orange);margin-bottom:24px;padding:8px 16px;border:1px solid rgba(255,107,43,.4);border-radius:999px;background:rgba(255,107,43,.08)}
.hero-eyebrow::before{content:'';width:6px;height:6px;background:var(--tt-orange);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
h1.hero-title{font-family:var(--display);font-size:clamp(48px,8vw,112px);line-height:.92;letter-spacing:-3px;font-weight:800;margin-bottom:32px;max-width:1100px}
h1.hero-title em{font-style:italic;font-weight:400;color:var(--tt-cyan)}
.hero-sub{font-size:20px;max-width:640px;color:rgba(255,255,255,.78);line-height:1.5;margin-bottom:48px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap;padding-top:32px;border-top:1px solid rgba(255,255,255,.12)}
.stat-block .num{font-family:var(--display);font-size:48px;font-weight:800;color:var(--tt-cyan);letter-spacing:-2px;line-height:1}
.stat-block .lbl{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:rgba(255,255,255,.6);margin-top:8px}

.filters-bar{background:var(--tt-paper);border-bottom:1px solid var(--tt-line);padding:24px;position:sticky;top:80px;z-index:50}
.filters-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.filters-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-gray)}
.filter-pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{background:#fff;border:1px solid var(--tt-line);padding:8px 18px;border-radius:999px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;color:var(--tt-ink)}
.pill:hover{border-color:var(--tt-cyan);color:var(--tt-blue)}
.pill.active{background:var(--tt-deep);color:#fff;border-color:var(--tt-deep)}

.articles-section{padding:80px 24px;max-width:1280px;margin:0 auto}
.section-header{display:flex;justify-content:space-between;align-items:end;margin-bottom:56px;flex-wrap:wrap;gap:20px}
.section-header h2{font-family:var(--display);font-size:clamp(32px,4vw,56px);letter-spacing:-2px;line-height:.95;font-weight:800;color:var(--tt-deep)}
.section-header h2 em{font-style:italic;font-weight:400;color:var(--tt-blue)}
.section-header p{color:var(--tt-gray);max-width:380px}

.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.article-card{background:#fff;border-radius:24px;overflow:hidden;border:1px solid var(--tt-line);transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-8px);box-shadow:0 30px 60px -20px rgba(5,28,44,.25)}
.article-card.featured{grid-column:span 2;display:grid;grid-template-columns:1.2fr 1fr;gap:0}
.card-visual{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--tt-deep)}
.featured .card-visual{aspect-ratio:auto;min-height:480px}
.card-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,28,44,.6))}
.visual-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .8s}
.article-card:hover .visual-bg{transform:scale(1.05)}
.card-cat{position:absolute;top:24px;left:24px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;background:var(--tt-orange);color:#fff;padding:8px 14px;border-radius:999px;z-index:2}
.card-num{position:absolute;bottom:24px;right:24px;font-family:var(--display);font-size:80px;font-weight:800;color:rgba(255,255,255,.18);line-height:.8;letter-spacing:-4px;z-index:2}
.card-body{padding:36px;display:flex;flex-direction:column;flex:1}
.featured .card-body{padding:56px;justify-content:center}
.card-meta{display:flex;gap:16px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--tt-gray);margin-bottom:20px}
.card-meta span{display:flex;align-items:center;gap:6px}
.card-meta span::before{content:'';width:4px;height:4px;background:var(--tt-cyan);border-radius:50%}
.card-title{font-family:var(--display);font-size:26px;line-height:1.1;letter-spacing:-1px;font-weight:700;color:var(--tt-deep);margin-bottom:16px;transition:color .2s}
.featured .card-title{font-size:44px;letter-spacing:-2px;margin-bottom:24px}
.article-card:hover .card-title{color:var(--tt-blue)}
.card-excerpt{color:var(--tt-gray);font-size:15px;line-height:1.6;margin-bottom:24px;flex:1}
.featured .card-excerpt{font-size:17px}
.card-link{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-blue);font-weight:600}
.card-link::after{content:'→';transition:transform .3s}
.article-card:hover .card-link::after{transform:translateX(6px)}

.newsletter{background:var(--tt-deep);color:#fff;padding:100px 24px;position:relative;overflow:hidden}
.newsletter::before{content:'';position:absolute;top:-100px;right:-100px;width:500px;height:500px;background:radial-gradient(circle,var(--tt-cyan),transparent 60%);opacity:.2;border-radius:50%}
.newsletter-inner{max-width:900px;margin:0 auto;text-align:center;position:relative;z-index:2}
.newsletter h2{font-family:var(--display);font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-2px;font-weight:800;margin-bottom:24px}
.newsletter h2 em{color:var(--tt-cyan);font-style:italic;font-weight:400}
.newsletter p{font-size:18px;color:rgba(255,255,255,.7);margin-bottom:40px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-big{display:inline-flex;align-items:center;gap:14px;background:var(--tt-orange);color:#fff;padding:20px 40px;border-radius:999px;font-weight:600;font-size:16px;transition:transform .2s,background .2s,color .2s}
.cta-big:hover{background:#fff;color:var(--tt-deep);transform:translateY(-2px)}
.cta-big::after{content:'→';font-size:20px}

footer{background:#03131F;color:rgba(255,255,255,.7);padding:80px 24px 32px}
.footer-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:20px;font-size:14px;max-width:320px;line-height:1.6}
.footer-col h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--tt-cyan);margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--tt-orange)}
.footer-bottom{max-width:1280px;margin:0 auto;padding-top:32px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;font-family:var(--mono);color:rgba(255,255,255,.4)}

@media(max-width:900px){
  nav.main-nav ul{display:none}.menu-toggle{display:block}
  .article-grid{grid-template-columns:1fr}
  .article-card.featured{grid-column:span 1;grid-template-columns:1fr}
  .featured .card-visual{min-height:280px}.featured .card-body{padding:32px}.featured .card-title{font-size:30px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero{padding:60px 24px 80px}.hero-stats{gap:28px}.stat-block .num{font-size:36px}
  .filters-bar{position:static}
  .section-header{flex-direction:column;align-items:start}
}
@media(max-width:560px){
  .footer-inner{grid-template-columns:1fr}
  .topbar-inner{font-size:10px}
  .card-body{padding:28px}.card-title{font-size:22px}
}