:root{color-scheme:light;--surface:#fbfcfc;--surface-raised:#eee;--surface-card:#fff;--surface-hover:#e6e9ea;--nav-bg:#fbfcfceb;--text:#303841;--muted:#52606d;--muted-light:#5a6874;--line:#d5dcde;--line-subtle:#e8ecee;--accent:#007e85;--accent-hover:#005f64;--accent-soft:#e2f6f7;--accent-contrast:#fff;--secondary:#ff5722;--content-max:74rem;--radius:.5rem;--radius-sm:.35rem;--radius-lg:.85rem;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-serif:Charter, "Bitstream Charter", "Iowan Old Style", Georgia, serif;--font-mono:ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--surface:#0e1114;--surface-raised:#161c22;--surface-card:#1d242c;--surface-hover:#26303a;--nav-bg:#0e1114eb;--text:#f2f5f7;--muted:#93a2af;--muted-light:#a0afbd;--line:#24303c;--line-subtle:#1a222b;--accent:#00adb5;--accent-hover:#20c7cf;--accent-soft:#00adb526;--accent-contrast:#0e1114;--secondary:#ff5722}}[data-theme=dark]{color-scheme:dark;--surface:#0e1114;--surface-raised:#161c22;--surface-card:#1d242c;--surface-hover:#26303a;--nav-bg:#0e1114eb;--text:#f2f5f7;--muted:#93a2af;--muted-light:#a0afbd;--line:#24303c;--line-subtle:#1a222b;--accent:#00adb5;--accent-hover:#20c7cf;--accent-soft:#00adb526;--accent-contrast:#0e1114;--secondary:#ff5722}[data-theme=light]{color-scheme:light;--surface:#fbfcfc;--surface-raised:#eee;--surface-card:#fff;--surface-hover:#e6e9ea;--nav-bg:#fbfcfceb;--text:#303841;--muted:#52606d;--muted-light:#5a6874;--line:#d5dcde;--line-subtle:#e8ecee;--accent:#007e85;--accent-hover:#005f64;--accent-soft:#e2f6f7;--accent-contrast:#fff;--secondary:#ff5722}*{box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--surface);color:var(--text);flex-direction:column;min-height:100vh;margin:0;line-height:1.6;display:flex}.page-container{width:min(calc(100% - 3rem), var(--content-max));flex:1;margin-inline:auto;padding-block:2.5rem 6rem}.page-header{border-bottom:1px solid var(--line);margin-bottom:2.75rem;padding-bottom:2rem}.page-eyebrow{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;background:var(--surface-raised);border:1px solid var(--line);color:var(--muted);border-radius:9999px;align-items:center;gap:.45rem;margin-bottom:1rem;padding:.25rem .75rem;font-size:.75rem;font-weight:700;display:inline-flex}.page-title{font-family:var(--font-serif);letter-spacing:-.025em;color:var(--text);margin:0 0 1rem;font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.15}.page-lead{color:var(--muted);max-width:52rem;margin:0;font-size:clamp(1.05rem,1.8vw,1.25rem);line-height:1.55}.channels-wrapper{margin-bottom:4rem}.channels-grid{grid-template-columns:1.35fr 1fr 1fr 1fr;gap:1.25rem;display:grid}@media (width<=1080px){.channels-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.channels-grid{grid-template-columns:1fr}}.channel-card{background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;justify-content:space-between;gap:1.4rem;padding:1.75rem;transition:border-color .2s,transform .2s;display:flex}.channel-card:hover{border-color:var(--accent);transform:translateY(-2px)}.channel-card.featured{border-color:var(--accent);background:linear-gradient(180deg, var(--accent-soft) 0%, var(--surface-card) 35%);box-shadow:0 4px 20px #00adb514}.card-tag{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:.4rem;font-size:.72rem;font-weight:700}.card-title{font-family:var(--font-serif);color:var(--text);margin:0 0 .5rem;font-size:1.35rem}.card-desc{color:var(--muted);margin:0;font-size:.92rem;line-height:1.5}.email-hero-btn{background:var(--accent);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;gap:.75rem;padding:.85rem 1.15rem;font-size:.96rem;font-weight:700;text-decoration:none;transition:background-color .15s,transform .15s;display:flex;box-shadow:0 2px 10px #00adb540;color:var(--accent-contrast)!important}.email-hero-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.email-hero-left{align-items:center;gap:.75rem;display:flex}.email-icon-svg{flex-shrink:0;width:1.35rem;height:1.35rem}.email-text{font-family:var(--font-mono);font-size:.92rem}.email-arrow{font-size:1.1rem;transition:transform .15s}.email-hero-btn:hover .email-arrow{transform:translate(3px)}.channel-btn{background:var(--surface-raised);border:1px solid var(--line);color:var(--text);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;gap:.65rem;padding:.8rem 1.1rem;font-size:.92rem;font-weight:600;text-decoration:none;transition:border-color .15s,background-color .15s;display:flex}.channel-btn:hover{border-color:var(--accent);background:var(--surface-hover)}.channel-btn-left{align-items:center;gap:.65rem;display:flex}.channel-icon-svg{width:1.2rem;height:1.2rem;color:var(--muted);flex-shrink:0}.channel-btn:hover .channel-icon-svg{color:var(--accent)}.collab-section{margin-bottom:3.5rem}.collab-header{margin-bottom:2rem}.collab-eyebrow{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin-bottom:.4rem;font-size:.75rem;font-weight:700}.collab-title{font-family:var(--font-serif);color:var(--text);margin:0 0 .75rem;font-size:clamp(1.8rem,3.5vw,2.4rem)}.collab-lead{color:var(--muted);max-width:52rem;margin:0;font-size:1.05rem;line-height:1.55}.collab-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem;display:grid}@media (width<=768px){.collab-grid{grid-template-columns:1fr}}.collab-card{background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;transition:border-color .2s,transform .2s}.collab-card:hover{border-color:var(--accent);transform:translateY(-2px)}.collab-card-top{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.collab-icon-box{background:var(--surface-raised);border:1px solid var(--line);width:2.25rem;height:2.25rem;color:var(--accent);border-radius:4px;justify-content:center;align-items:center;display:flex}.collab-tag{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em;background:var(--surface-raised);border:1px solid var(--line);color:var(--muted);border-radius:3px;padding:.2rem .55rem;font-size:.7rem;font-weight:700}.collab-card-title{font-family:var(--font-serif);color:var(--text);margin:0 0 .45rem;font-size:1.25rem}.collab-card-desc{color:var(--muted);margin:0;font-size:.92rem;line-height:1.55}.errata-box{background:var(--surface-raised);border:1px solid var(--line);border-radius:var(--radius);align-items:center;gap:1.15rem;padding:1.25rem 1.75rem;display:flex}.errata-icon{width:1.35rem;height:1.35rem;color:var(--muted);flex-shrink:0}.errata-text{color:var(--muted);margin:0;font-size:.92rem;line-height:1.5}.errata-text a{color:var(--accent);font-weight:600;text-decoration:underline}