:root{color-scheme:dark;--bg: #0a0a0b;--bg-elevated: #111113;--surface: #161618;--border: rgb(255 255 255 / .08);--text: #ececee;--text-muted: #8b8b93;--accent: #6b9fff;--accent-hover: #8cb4ff;--radius: 10px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;--measure: 38rem;--shell: 68rem;--space: clamp(1rem, 3vw, 1.75rem)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100dvh;font-family:var(--font);font-size:1rem;line-height:1.6;color:var(--text-muted);background:var(--bg);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}.page-backdrop{position:fixed;inset:0;z-index:0;pointer-events:none;background-color:var(--bg)}.page{position:relative;z-index:1;min-height:100dvh;display:flex;flex-direction:column}.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--space)}a{color:var(--accent);text-underline-offset:.2em}a:hover{color:var(--accent-hover)}.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border);background:var(--bg)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:.875rem 0}.brand{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--text);font-weight:600;letter-spacing:-.02em}.brand:hover{color:var(--text);opacity:.9}.brand__mark{font-size:.65rem;font-weight:700;letter-spacing:.08em;padding:.35rem .45rem;border-radius:6px;border:1px solid var(--border);color:var(--accent);background:var(--surface)}.nav{display:flex;gap:.25rem}.nav a{text-decoration:none;font-size:.875rem;font-weight:500;color:var(--text-muted);padding:.45rem .75rem;border-radius:6px}.nav a:hover{color:var(--text);background:#ffffff0a}.nav a[aria-current=page]{color:var(--text);background:#ffffff12}main{flex:1;padding-bottom:3rem}.site-footer{border-top:1px solid var(--border);background:var(--bg-elevated);padding:2rem 0 2.5rem;margin-top:auto;font-size:.8125rem}.site-footer__inner{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:1.5rem}.site-footer__title{margin:0 0 .35rem;font-size:.9375rem;font-weight:600;color:var(--text)}.site-footer__meta{margin:0;max-width:28rem;color:var(--text-muted)}.site-footer__legal{margin:.75rem 0 0;color:var(--text-muted);opacity:.85}.site-footer__links{display:flex;flex-wrap:wrap;gap:1rem}.site-footer__links a{font-weight:500;color:var(--text-muted);text-decoration:none}.site-footer__links a:hover{color:var(--accent)}.eyebrow{margin:0 0 .75rem;font-size:.6875rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.title-xl{margin:0 0 1rem;font-size:clamp(1.75rem,1.2rem + 2vw,2.35rem);font-weight:600;letter-spacing:-.03em;line-height:1.15;color:var(--text);max-width:20ch}.title-lg{margin:0 0 .65rem;font-size:clamp(1.5rem,1.1rem + 1.2vw,1.85rem);font-weight:600;letter-spacing:-.025em;color:var(--text)}.lede{margin:0;font-size:1.0625rem;max-width:36rem;line-height:1.55;color:var(--text-muted)}.section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.75rem 1rem;margin-bottom:1.25rem}.section-head h2{margin:0;font-size:1.0625rem;font-weight:600;letter-spacing:-.02em;color:var(--text)}.section-head a{font-size:.875rem;font-weight:500;text-decoration:none}.actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.75rem}.btn{display:inline-block;padding:.55rem 1.1rem;font-size:.875rem;font-weight:600;text-decoration:none;border-radius:var(--radius);border:1px solid transparent;transition:background .15s ease,border-color .15s ease,color .15s ease}.btn--primary{background:var(--text);color:var(--bg);border-color:var(--text)}.btn--primary:hover{background:transparent;color:var(--text)}.btn--ghost{background:transparent;color:var(--text-muted);border-color:var(--border)}.btn--ghost:hover{color:var(--text);border-color:#ffffff2e}.card-list{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}@media(min-width:560px){.card-list{grid-template-columns:repeat(2,1fr)}}@media(min-width:900px){.card-list{grid-template-columns:repeat(3,1fr)}}.card-list a{display:block;padding:1.1rem 1.15rem;text-decoration:none;color:inherit;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elevated);transition:border-color .15s ease,background .15s ease}.card-list a:hover{border-color:#6b9fff59;background:var(--surface)}.card-list__meta{margin:0 0 .35rem;font-size:.75rem;font-weight:500;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase}.card-list__title{margin:0 0 .4rem;font-size:.9375rem;font-weight:600;color:var(--text);letter-spacing:-.015em;line-height:1.35}.card-list__desc{margin:0;font-size:.8125rem;line-height:1.5;color:var(--text-muted)}.split{display:grid;gap:2.5rem;padding-bottom:2.5rem}@media(min-width:880px){.split{grid-template-columns:1fr minmax(0,17rem);align-items:start}}.panel{padding:1rem 1.1rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elevated)}.panel+.panel{margin-top:.65rem}.panel h3{margin:0 0 .35rem;font-size:.6875rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.panel p{margin:0;font-size:.8125rem;line-height:1.5;color:var(--text-muted)}.cta-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 1.35rem;margin-bottom:2rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}.cta-row p{margin:0;font-size:.9375rem;font-weight:500;color:var(--text)}.prose{max-width:var(--measure);color:var(--text-muted)}.prose :where(h2,h3){margin-top:2em;margin-bottom:.5em;font-weight:600;color:var(--text);letter-spacing:-.02em}.prose :where(h1){color:var(--text)}.prose :where(a){color:var(--accent)}.prose :where(strong){color:var(--text)}.prose :where(pre){padding:.9rem 1rem;border-radius:8px;overflow-x:auto;font-size:.8125rem;background:#050506;border:1px solid var(--border);color:#e4e4e7}.prose :where(code){font-family:var(--font-mono);font-size:.84em;background:#ffffff0f;padding:.1em .35em;border-radius:4px;color:var(--text)}.prose :where(pre code){background:none;padding:0;color:inherit}.lesson-header{padding:2rem 0 1.25rem;border-bottom:1px solid var(--border);margin-bottom:2rem}.lesson-header h1{margin:0 0 .5rem;font-size:clamp(1.45rem,1rem + 1.5vw,1.85rem);font-weight:600;letter-spacing:-.03em;color:var(--text);line-height:1.2}.lesson-header>p{margin:0;font-size:.875rem;color:var(--text-muted)}.pill{display:inline-block;margin-bottom:.65rem;padding:.2rem .5rem;font-size:.6875rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);border:1px solid rgb(107 159 255 / .25);border-radius:999px;background:#6b9fff14}.tag-row{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.75rem}.tag{font-size:.65rem;text-transform:uppercase;letter-spacing:.06em;padding:.15rem .4rem;border-radius:4px;border:1px solid var(--border);color:var(--text-muted)}.video-wrap{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#000;margin:1.5rem 0 2rem}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-fallback{margin:1.5rem 0 2rem;padding:.9rem 1rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);font-size:.875rem}.article-end{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:3rem;padding-top:1.75rem;border-top:1px solid var(--border)}.article-end a{font-size:.875rem;font-weight:600;text-decoration:none}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}@keyframes astroFadeInOut{0%{opacity:1}to{opacity:0}}@keyframes astroFadeIn{0%{opacity:0;mix-blend-mode:plus-lighter}to{opacity:1;mix-blend-mode:plus-lighter}}@keyframes astroFadeOut{0%{opacity:1;mix-blend-mode:plus-lighter}to{opacity:0;mix-blend-mode:plus-lighter}}@keyframes astroSlideFromRight{0%{transform:translate(100%)}}@keyframes astroSlideFromLeft{0%{transform:translate(-100%)}}@keyframes astroSlideToRight{to{transform:translate(100%)}}@keyframes astroSlideToLeft{to{transform:translate(-100%)}}@media(prefers-reduced-motion){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}[data-astro-transition-scope]{animation:none!important}}