.skip-link{position:fixed;top:-80px;left:20px;z-index:100;background:white;color:#07111f;padding:12px 20px}.skip-link:focus{top:12px}
.net-hero{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:60px;padding-top:68px;padding-bottom:55px}.net-hero h1{font-family:"Space Grotesk",Inter,sans-serif;font-size:clamp(3.5rem,6vw,6rem);letter-spacing:-.055em;line-height:.98;margin:16px 0 26px}.net-hero p{color:var(--muted);max-width:560px}.net-hero .net-intro{color:#f7ca79;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.35}.net-hero figure{margin:0}.net-hero img{display:block;width:100%;height:auto;border-radius:28px}.preview-note,.media-note,.sequence-label{font-size:.83rem;color:var(--muted)}.net-about{padding-top:35px;padding-bottom:65px;max-width:850px}.net-about h2,.walkthrough h2,.overview-section h2,.net-next h2{font-family:"Space Grotesk",Inter,sans-serif;font-size:clamp(1.8rem,3.5vw,2.8rem);line-height:1.15;letter-spacing:-.03em;margin:10px 0 22px}.net-about p,.overview-section p,.net-next p{color:var(--muted)}.walkthrough{scroll-margin-top:100px;padding-top:20px;padding-bottom:70px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}.player-main{border:1px solid var(--card-border);border-radius:22px;overflow:hidden;background:var(--panel)}video{display:block;width:100%;aspect-ratio:16/9;background:#000}.chapter-description{padding:24px}.chapter-description h3{font-size:1.6rem;margin:6px 0 10px}.chapter-description p{color:var(--muted)}.chapter-controls{display:flex;justify-content:space-between;gap:16px;margin-top:24px}.chapter-controls button,.chapter-list button{font:inherit;cursor:pointer;color:var(--text);border:1px solid var(--card-border);background:var(--panel);border-radius:12px;padding:12px 16px}.chapter-controls button:hover:not(:disabled){border-color:var(--accent)}.chapter-controls button:disabled{opacity:.4;cursor:default}.chapter-list{padding:0;margin:0;list-style:none;display:grid;gap:7px;max-height:620px;overflow:auto}.chapter-list button{width:100%;display:flex;align-items:center;text-align:left;gap:13px;padding:10px 14px}.chapter-list button[aria-current="step"]{border-color:var(--accent);background:#16323c}.chapter-list .number{color:var(--accent);font-size:.8rem}.chapter-list strong{font-size:.9rem;display:block}.chapter-list small{display:block;color:var(--muted);font-size:.75rem;margin-top:3px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #f7ca79;outline-offset:4px}.discussion{padding:22px 0;border-bottom:1px solid var(--card-border)}.discussion summary{cursor:pointer;font-weight:700;color:var(--accent)}.discussion p,.discussion li{color:var(--muted)}#player-status:empty{display:none}.overview-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center;padding-top:35px;padding-bottom:80px}.overview-section video{border-radius:22px}.net-next{border-top:1px solid var(--card-border);padding-top:55px;padding-bottom:70px}.net-next p{max-width:730px}.net-next .back-link{margin-left:24px}.net-footer{padding-bottom:25px;color:var(--muted);font-size:.75rem}
@media(max-width:950px){.net-hero{gap:30px}.player-layout{grid-template-columns:1fr}.chapter-list{grid-template-columns:1fr 1fr;max-height:none}.overview-section{gap:25px}.section-heading{display:block}.sequence-label{display:block;margin-bottom:20px}}
@media(max-width:650px){.net-hero,.overview-section{grid-template-columns:1fr}.net-hero{padding-top:35px}.net-hero figure{max-width:500px}.chapter-list{grid-template-columns:1fr}.chapter-description{padding:18px}.net-next .back-link{display:block;margin:20px 0 0}.site-header{gap:15px}.site-header>a:last-child{font-size:.85rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}