.overview{padding-bottom:4rem}.study-bar{border-bottom:1px solid var(--color-border);background:var(--color-bg);z-index:50}.study-bar-links{-webkit-overflow-scrolling:touch;scrollbar-width:none;justify-content:center;gap:0;display:flex;overflow-x:auto}.study-bar-links::-webkit-scrollbar{display:none}.sb-link{letter-spacing:.03em;color:var(--color-text-muted);white-space:nowrap;border-bottom:2px solid #0000;padding:.75rem 1.1rem;font-size:.8rem;font-weight:600;text-decoration:none;transition:color .18s,border-color .18s}.sb-link:hover{color:var(--color-text)}.sb-active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.narrow{max-width:var(--max-width-article);margin-left:auto;margin-right:auto}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--color-accent);margin-bottom:.5rem;font-size:.75rem;font-weight:700}.section-label{text-transform:uppercase;letter-spacing:.12em;color:var(--color-accent);margin-bottom:1.25rem;font-size:.7rem;font-weight:700}.overview-hero{text-align:center;padding:0;position:relative;overflow:hidden}.hero-image-wrap{width:100%;max-height:480px;position:relative;overflow:hidden}.hero-image{object-fit:cover;width:100%;height:100%;display:block}.hero-overlay{background:linear-gradient(#0a0a0a00 0%,#0a0a0a99 60%,#0a0a0a 100%);position:absolute;inset:0}.hero-content{z-index:1;margin-top:-8rem;padding:3rem 1.5rem 4rem;position:relative}.overview-hero h1{letter-spacing:-.02em;color:#fff;margin-bottom:1.25rem;font-size:clamp(2.2rem,6vw,3.8rem);font-weight:900;line-height:1.08}.overview-dek{color:#ffffffb3;max-width:600px;margin:0 auto;font-size:1.1rem;line-height:1.65}.hook{background:var(--color-bg);border-top:1px solid var(--color-border);padding:5rem 0 0}.hook-lines{flex-direction:column;gap:0;max-width:720px;margin:0 auto;display:flex}.frag{color:var(--color-text-muted);border-bottom:1px solid var(--color-border);margin:0;padding:.9rem 0;line-height:1.55}.frag:last-child{border-bottom:none}.frag em{color:var(--color-accent);font-style:normal;font-weight:600}.frag-lg em{font-style:italic;font-weight:inherit}.frag-lg{color:var(--color-text);letter-spacing:-.02em;padding:1rem 0;font-size:clamp(1.5rem,3.5vw,2rem);font-weight:900;line-height:1.2}.frag-md{color:var(--color-text);padding-left:2rem;font-size:clamp(1.1rem,2.5vw,1.35rem);font-weight:600}.frag-sm{border-left:none;padding-left:4rem;font-size:.95rem}.frag-tests{letter-spacing:.15em;text-transform:uppercase;color:var(--color-accent);border-bottom:none;padding-bottom:0;padding-left:4rem;font-size:.8rem;font-weight:700}.frag-fail{padding-top:1.5rem;padding-left:0}.frag-verdict{color:var(--color-text);text-align:center;border-top:1px solid var(--color-accent);border-bottom:1px solid var(--color-accent);margin-top:.75rem;padding:1.25rem 2rem;font-size:clamp(1.1rem,2.5vw,1.3rem)}.frag-verdict strong{color:var(--color-accent);text-transform:uppercase;letter-spacing:.06em;font-size:.85em}.frag-coda{opacity:.7;border-bottom:none;padding-top:.75rem;padding-left:0;font-size:.95rem;font-style:italic}.hook-closer{border-top:2px solid var(--color-accent);border-bottom:2px solid var(--color-accent);text-align:center;margin-top:3rem;padding:3.5rem 0}.closer-question{color:var(--color-text-muted);margin-bottom:.75rem;font-size:clamp(1.1rem,2.5vw,1.3rem)}.closer-challenge{color:var(--color-text);letter-spacing:-.02em;max-width:620px;margin-bottom:1.5rem;margin-left:auto;margin-right:auto;font-size:clamp(1.4rem,3.5vw,1.9rem);font-weight:900;line-height:1.25}.closer-pitch{color:var(--color-text-muted);max-width:560px;margin:0 auto 2.25rem;font-size:1.05rem;line-height:1.65}.hook-cta{letter-spacing:.02em;color:var(--color-text-on-accent);background:var(--color-accent);border-radius:var(--radius);transition:background var(--transition), transform var(--transition);padding:1rem 2.5rem;font-size:1.1rem;font-weight:700;text-decoration:none;display:inline-block}.hook-cta:hover{background:var(--color-accent-hover);color:var(--color-text-on-accent);transform:translateY(-2px)}.overview-section{border-top:1px solid var(--color-border);padding:5.5rem 0}.video-container{border-radius:var(--radius);border:1px solid var(--color-border);max-width:860px;height:0;margin:0 auto;padding-bottom:56.25%;position:relative;overflow:hidden}.video-container iframe{width:100%;height:100%;position:absolute;top:0;left:0}.video-full-link{text-align:center;margin-top:1.25rem;font-size:1.1rem;font-weight:700}.video-full-link a{color:var(--color-accent);transition:color var(--transition);text-decoration:none}.video-full-link a:hover{color:var(--color-accent-hover)}.contrast-section{background:var(--color-bg-elevated);border-top-color:#0000}.contrast-grid{grid-template-columns:1fr 1fr;gap:2rem;max-width:900px;margin:0 auto;display:grid}.contrast-col{border-radius:var(--radius);padding:2rem}.contrast-col h3{text-transform:uppercase;letter-spacing:.06em;border-bottom:2px solid;margin-bottom:1.25rem;padding-bottom:.75rem;font-size:1.1rem}.contrast-theirs{background:#b4282814}.contrast-theirs h3{color:#d45;border-color:#d45}.contrast-theirs li:before{color:#d45}.contrast-his{background:var(--color-accent-dim)}.contrast-his h3{color:var(--color-accent);border-color:var(--color-accent)}.contrast-his li:before{color:var(--color-accent)}.contrast-col ul{padding:0;list-style:none}.contrast-col li{color:var(--color-text-muted);padding:.4rem 0 .4rem 1.25rem;font-size:.95rem;line-height:1.55;position:relative}.contrast-col li:before{content:"–";font-weight:700;position:absolute;left:0}@media (width<=640px){.contrast-grid{grid-template-columns:1fr}}.overview-figure{margin:0}.overview-figure img{border-radius:var(--radius);border:1px solid var(--color-border);width:100%}.overview-figure figcaption{color:var(--color-text-muted);text-align:center;margin-top:.75rem;font-size:.85rem;font-style:italic}.question-box{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:2rem}.question-list{padding:0;list-style:none}.question-list li{border-bottom:1px solid var(--color-border);color:var(--color-text);padding:.6rem 0 .6rem 1.25rem;font-size:1rem;font-style:italic;line-height:1.6;position:relative}.question-list li:last-child{border-bottom:none}.question-list li:before{content:"?";color:var(--color-accent);font-style:normal;font-weight:700;position:absolute;left:0}.study-nav{padding:7.5rem 0 5.5rem}.study-nav .section-label{margin-bottom:1.5rem}.study-nav-grid{grid-template-columns:1fr;gap:0;display:grid}.study-nav-card{border:1px solid var(--color-border);background:var(--color-bg-card);color:inherit;transition:background var(--transition);border-bottom:none;align-items:flex-start;gap:1.25rem;padding:1.5rem;text-decoration:none;display:flex}.study-nav-card:first-child{border-radius:var(--radius) var(--radius) 0 0}.study-nav-card:last-child{border-bottom:1px solid var(--color-border);border-radius:0 0 var(--radius) var(--radius)}.study-nav-card:hover{background:var(--color-bg-elevated);color:inherit}.snc-featured{background:var(--color-accent-dim);border-color:var(--color-accent)}.snc-featured+.study-nav-card{border-top-color:var(--color-accent)}.snc-featured:hover{background:#eab70038}.snc-icon{background:var(--color-bg-elevated);width:2.5rem;height:2.5rem;color:var(--color-accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:.1rem;display:flex}.snc-featured .snc-icon{background:var(--color-accent);color:var(--color-text-on-accent)}.snc-content{flex:1;min-width:0}.snc-title{color:var(--color-heading);margin-bottom:.3rem;font-size:1.05rem;font-weight:700;display:block}.snc-featured .snc-title{color:var(--color-accent)}.snc-desc{color:var(--color-text-muted);font-size:.88rem;line-height:1.55;display:block}.snc-arrow{color:var(--color-text-muted);transition:transform var(--transition), color var(--transition);flex-shrink:0;margin-top:.2rem;font-size:1.25rem}.study-nav-card:hover .snc-arrow{color:var(--color-accent);transform:translate(3px)}