@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,400;1,8..60,500&display=swap";:root{--sky-50: #F0F9FF;--sky-100: #E0F2FE;--sky-200: #BAE6FD;--sky-300: #7DD3FC;--sky-400: #38BDF8;--sky-500: #0EA5E9;--sky-600: #0084D1;--sky-700: #0369A1;--sky-800: #075985;--sky-900: #0C4A6E;--sky-950: #082F49;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DC;--gray-400: #99A1AF;--gray-500: #6A7282;--gray-600: #4A5565;--gray-700: #364153;--gray-800: #1E2939;--gray-900: #101828;--gray-950: #030712;--success: #16A34A;--warning: #F59E0B;--danger: #DC2626;--info: #0084D1;--fg-1: var(--gray-900);--fg-2: var(--gray-700);--fg-3: var(--gray-500);--fg-4: var(--gray-400);--fg-inverse: #FFFFFF;--bg-1: #FFFFFF;--bg-2: var(--gray-50);--bg-3: var(--gray-100);--bg-4: var(--gray-200);--border-1: var(--gray-200);--border-2: var(--gray-300);--border-3: var(--gray-100);--accent: var(--sky-600);--accent-hover: var(--sky-700);--accent-soft: var(--sky-50);--accent-fg: #FFFFFF;--glass-thin: rgba(255, 255, 255, .55);--glass-regular: rgba(255, 255, 255, .72);--glass-thick: rgba(255, 255, 255, .88);--glass-border: rgba(255, 255, 255, .65);--glass-inner-hi: rgba(255, 255, 255, .9);--glass-inner-lo: rgba(15, 23, 42, .06);--glass-blur: 24px;--glass-blur-lg: 40px;--glass-saturate: 180%;--font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;--font-serif: "Source Serif 4", "Iowan Old Style", "Palatino", "Georgia", serif;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .9375rem;--text-md: 1rem;--text-lg: 1.125rem;--text-xl: 1.3125rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--text-6xl: 3.75rem;--leading-tight: 1.15;--leading-snug: 1.3;--leading-normal: 1.5;--leading-relaxed: 1.65;--tracking-tight: -.02em;--tracking-snug: -.01em;--tracking-normal: 0;--tracking-wide: .02em;--weight-regular: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--space-24: 96px;--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px;--radius-2xl: 32px;--radius-pill: 999px;--shadow-xs: 0 1px 1px rgba(16, 24, 40, .04), 0 0 0 1px rgba(16, 24, 40, .04);--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04), 0 0 0 1px rgba(16, 24, 40, .04);--shadow-md: 0 4px 6px -1px rgba(16, 24, 40, .06), 0 8px 16px -4px rgba(16, 24, 40, .08), 0 0 0 1px rgba(16, 24, 40, .04);--shadow-lg: 0 12px 24px -8px rgba(16, 24, 40, .12), 0 24px 48px -12px rgba(16, 24, 40, .14), 0 0 0 1px rgba(16, 24, 40, .04);--shadow-xl: 0 24px 48px -12px rgba(16, 24, 40, .18), 0 48px 96px -24px rgba(16, 24, 40, .22), 0 0 0 1px rgba(16, 24, 40, .04);--ring-focus: 0 0 0 3px rgba(0, 132, 209, .28);--inset-glass: inset 0 1px 0 rgba(255, 255, 255, .9), inset 0 -1px 0 rgba(16, 24, 40, .04);--ease-standard: cubic-bezier(.32, .72, 0, 1);--ease-emphasis: cubic-bezier(.2, .9, .1, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--dur-fast: .14s;--dur-base: .22s;--dur-slow: .36s}[data-theme=dark]{--fg-1: #F9FAFB;--fg-2: var(--gray-300);--fg-3: var(--gray-400);--fg-4: var(--gray-500);--fg-inverse: var(--gray-900);--bg-1: var(--gray-950);--bg-2: var(--gray-900);--bg-3: var(--gray-800);--bg-4: var(--gray-700);--border-1: rgba(255, 255, 255, .08);--border-2: rgba(255, 255, 255, .14);--border-3: rgba(255, 255, 255, .05);--accent: #38BDF8;--accent-hover: #7DD3FC;--accent-soft: rgba(56, 189, 248, .14);--glass-thin: rgba(20, 28, 42, .5);--glass-regular: rgba(20, 28, 42, .66);--glass-thick: rgba(20, 28, 42, .82);--glass-border: rgba(255, 255, 255, .12);--glass-inner-hi: rgba(255, 255, 255, .08);--glass-inner-lo: rgba(0, 0, 0, .2);--shadow-xs: 0 1px 1px rgba(0, 0, 0, .3), 0 0 0 1px rgba(255, 255, 255, .04);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 0 0 1px rgba(255, 255, 255, .04);--shadow-md: 0 8px 16px -4px rgba(0, 0, 0, .5), 0 0 0 1px rgba(255, 255, 255, .04);--shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .04);--shadow-xl: 0 48px 96px -24px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .04)}:root{--guru-prose-w: 68ch;--guru-figure-w: 1040px;--guru-mast-h: 64px;--guru-bg: var(--bg-1);--guru-bg-soft: var(--bg-2);--guru-fg: var(--fg-1);--guru-fg-muted: var(--fg-2);--guru-fg-faint: var(--fg-3);--guru-accent: var(--accent);--guru-rule: var(--border-1)}.guru-page{max-width:1200px;margin:24px auto;background:var(--guru-bg);border-radius:18px;overflow:hidden;box-shadow:0 40px 100px -20px #00000040,0 0 0 1px #0000000f}[data-theme=dark] .guru-page{box-shadow:0 40px 100px -20px #0009,0 0 0 1px #ffffff0f}.guru-mast{display:flex;align-items:center;justify-content:space-between;padding:22px 40px;border-bottom:1px solid var(--guru-rule);background:var(--guru-bg)}.guru-mast-left{display:flex;align-items:baseline;gap:14px;min-width:0}.guru-mast-brand{font-family:var(--font-serif);font-weight:600;font-size:22px;letter-spacing:-.01em;font-style:italic;color:var(--guru-fg);text-decoration:none;white-space:nowrap}.guru-mast-brand:after{content:".guru";font-style:normal;font-weight:400;color:var(--guru-fg-faint);margin-left:1px}.guru-mast-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--guru-fg-faint);border-left:1px solid var(--guru-rule);padding-left:14px;white-space:nowrap}.guru-mast-nav{display:flex;gap:22px;align-items:center}.guru-mast-nav a,.guru-mast-nav .navlink{font-size:13px;color:var(--guru-fg-muted);text-decoration:none;font-weight:500;transition:color var(--dur-fast) var(--ease-standard)}.guru-mast-nav a:hover,.guru-mast-nav .navlink.on,.guru-mast-nav a.on{color:var(--guru-fg)}.guru-mast-cta{font-size:12.5px;padding:6px 12px;border-radius:var(--radius-pill);border:1px solid var(--guru-rule);color:var(--guru-fg);background:var(--guru-bg-soft);font-weight:500;font-family:var(--font-mono);letter-spacing:.02em;text-decoration:none;transition:background var(--dur-fast) var(--ease-standard)}.guru-mast-cta:hover{background:var(--bg-3);color:var(--guru-fg)}.guru-theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-pill);border:1px solid var(--guru-rule);background:transparent;color:var(--guru-fg-muted);cursor:pointer;transition:background var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard)}.guru-theme-toggle:hover{background:var(--guru-bg-soft);color:var(--guru-fg)}.guru-theme-toggle:focus-visible{outline:none;box-shadow:var(--ring-focus)}.guru-theme-toggle .sun{display:none}.guru-theme-toggle .moon,[data-theme=dark] .guru-theme-toggle .sun{display:inline-block}[data-theme=dark] .guru-theme-toggle .moon{display:none}.guru-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--guru-accent);font-weight:600}.guru-tag{display:inline-block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:var(--radius-pill);color:var(--guru-fg-muted);background:var(--guru-bg-soft);border:1px solid var(--guru-rule);text-decoration:none;transition:background var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard)}.guru-tag:hover{color:var(--guru-fg);background:var(--bg-3)}.guru-tag.on{color:var(--guru-fg);background:var(--guru-bg-soft);border-color:var(--border-2)}.guru-meta{display:flex;gap:14px;font-size:13px;color:var(--guru-fg-faint);align-items:center;flex-wrap:wrap}.guru-meta .dot{width:3px;height:3px;background:var(--guru-fg-faint);border-radius:50%;flex-shrink:0}.guru-byline-name{color:var(--guru-fg-muted);font-weight:500}.guru-shell{max-width:1200px;margin:0 auto;padding:0}.guru-hero{padding:64px 56px 40px;display:grid;gap:28px;border-bottom:1px solid var(--guru-rule)}.guru-hero-eyebrow{margin-bottom:-8px}.guru-hero h1{font-family:var(--font-serif);font-weight:600;font-size:56px;line-height:1.05;letter-spacing:-.02em;margin:0;max-width:22ch;color:var(--guru-fg);text-wrap:balance}.guru-hero h1 a{color:inherit;text-decoration:none}.guru-hero h1 a:hover{color:var(--guru-accent)}.guru-hero h1 em{font-style:italic;font-weight:500;color:var(--guru-accent)}.guru-hero-sub{font-family:var(--font-serif);font-size:20px;line-height:1.5;color:var(--guru-fg-muted);max-width:60ch;margin:0}.guru-hero-meta{margin-top:4px}.guru-hero-image{height:380px;width:100%;border-radius:var(--radius-md);border:1px solid var(--guru-rule);overflow:hidden;position:relative;background:var(--guru-bg-soft)}.guru-hero-image img{width:100%;height:100%;object-fit:cover;display:block}.guru-feed{display:grid;grid-template-columns:1fr 320px;gap:56px;padding:56px}.guru-feed h2.guru-section-title{font-family:var(--font-serif);font-weight:600;font-size:28px;letter-spacing:-.01em;margin:0 0 24px;display:flex;align-items:baseline;gap:14px}.guru-feed h2 .guru-section-count{font-family:var(--font-mono);font-size:12px;color:var(--guru-fg-faint);letter-spacing:.05em}.guru-feed-main{display:flex;flex-direction:column;gap:36px}.guru-card{display:grid;grid-template-columns:180px 1fr;gap:24px;padding-bottom:32px;border-bottom:1px solid var(--guru-rule);text-decoration:none;color:inherit}.guru-card:last-child{border-bottom:none;padding-bottom:0}.guru-card-img{height:140px;border-radius:var(--radius-sm);border:1px solid var(--guru-rule);overflow:hidden;position:relative;background:var(--guru-bg-soft)}.guru-card-img img{width:100%;height:100%;object-fit:cover;display:block}.guru-card-title{font-family:var(--font-serif);font-weight:600;font-size:24px;line-height:1.2;letter-spacing:-.01em;margin:6px 0 8px;color:var(--guru-fg);transition:color var(--dur-fast) var(--ease-standard)}.guru-card:hover .guru-card-title{color:var(--guru-accent)}.guru-card-dek{font-family:var(--font-serif);font-size:15.5px;line-height:1.55;color:var(--guru-fg-muted);margin:0 0 12px;max-width:56ch}.guru-card-foot{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.guru-side{display:flex;flex-direction:column;gap:36px}.guru-side h3{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--guru-fg-faint);font-weight:600;margin:0 0 14px}.guru-side ul{list-style:none;padding:0;margin:0}.guru-side ul li{display:flex;gap:12px;padding:10px 0;border-top:1px solid var(--guru-rule);font-size:14px;line-height:1.4;color:var(--guru-fg-muted)}.guru-side ul li:first-child{border-top:none;padding-top:0}.guru-side ul li a{display:flex;gap:12px;color:inherit;text-decoration:none;width:100%}.guru-side ul li a:hover .ttl{color:var(--guru-accent)}.guru-side .num{font-family:var(--font-mono);font-size:11px;color:var(--guru-fg-faint);width:20px;flex-shrink:0;padding-top:2px}.guru-side .ttl{color:var(--guru-fg);font-weight:500;transition:color var(--dur-fast) var(--ease-standard)}.guru-side-tags{display:flex;flex-wrap:wrap;gap:6px}.guru-article{padding:40px 56px 80px;max-width:1200px;margin:0 auto}.guru-art-header{max-width:var(--guru-prose-w);margin:0 auto 32px}.guru-art-eyebrow{margin-bottom:14px;display:block}.guru-art-title{font-family:var(--font-serif);font-weight:600;font-size:52px;line-height:1.05;letter-spacing:-.02em;margin:0 0 18px;color:var(--guru-fg);text-wrap:balance}.guru-art-dek{font-family:var(--font-serif);font-size:21px;line-height:1.45;color:var(--guru-fg-muted);margin:0 0 24px;font-weight:400;text-wrap:pretty}.guru-art-meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--guru-fg-faint);display:flex;gap:16px;padding:14px 0;border-top:1px solid var(--guru-rule);border-bottom:1px solid var(--guru-rule);flex-wrap:wrap}.guru-art-meta strong{color:var(--guru-fg);font-weight:600}.guru-art-title-image{height:480px;width:100%;max-width:var(--guru-figure-w);margin:28px auto 12px;border-radius:var(--radius-md);border:1px solid var(--guru-rule);overflow:hidden;position:relative;background:var(--guru-bg-soft)}.guru-art-title-image img{width:100%;height:100%;object-fit:cover;display:block}.guru-art-title-image-cap{max-width:var(--guru-figure-w);margin:0 auto 48px;font-family:var(--font-mono);font-size:12px;color:var(--guru-fg-faint);letter-spacing:.02em;padding:0 6px}.guru-prose{max-width:var(--guru-prose-w);margin:0 auto;position:relative;font-family:var(--font-serif);font-size:19px;line-height:1.65;color:var(--guru-fg)}.guru-prose p{margin:0 0 22px;color:var(--guru-fg);text-wrap:pretty}.guru-prose p.lede:first-letter{font-family:var(--font-serif);font-weight:600;float:left;font-size:72px;line-height:.9;padding:6px 10px 0 0;color:var(--guru-fg)}.guru-prose h2{font-family:var(--font-serif);font-weight:600;font-size:30px;line-height:1.15;letter-spacing:-.01em;margin:48px 0 18px;color:var(--guru-fg)}.guru-prose h3{font-family:var(--font-serif);font-weight:600;font-size:22px;line-height:1.25;margin:34px 0 12px;color:var(--guru-fg)}.guru-prose h4{font-family:var(--font-serif);font-weight:600;font-size:18px;line-height:1.3;margin:28px 0 10px;color:var(--guru-fg)}.guru-prose a{color:var(--guru-accent);border-bottom:1px solid color-mix(in oklab,var(--guru-accent) 35%,transparent);text-decoration:none;transition:border-color var(--dur-fast) var(--ease-standard)}.guru-prose a:hover{border-bottom-color:var(--guru-accent)}.guru-prose blockquote{margin:28px 0;padding:2px 0 2px 20px;border-left:2px solid var(--guru-accent);font-style:italic;color:var(--guru-fg-muted);font-size:20px}.guru-prose ul,.guru-prose ol{padding-left:20px;margin:0 0 22px}.guru-prose ul li,.guru-prose ol li{margin:6px 0}.guru-prose hr{border:none;margin:48px auto;width:80px;text-align:center}.guru-prose hr:after{content:"· · ·";letter-spacing:.6em;color:var(--guru-fg-faint);font-family:var(--font-mono)}.guru-prose img{max-width:100%;height:auto;border-radius:var(--radius-sm);border:1px solid var(--guru-rule);margin:28px 0;display:block}.guru-prose strong{font-weight:600;color:var(--guru-fg)}.guru-prose em{font-style:italic}.guru-prose code:not(pre code){font-family:var(--font-mono);font-size:.82em;padding:1px 6px;background:var(--guru-bg-soft);border:1px solid var(--guru-rule);border-radius:6px;color:var(--guru-fg)}.guru-prose pre{max-width:var(--guru-figure-w);width:calc(100% + 40px);margin:28px 0 28px -20px;padding:16px 18px;background:var(--guru-bg-soft)!important;border:1px solid var(--guru-rule);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:13.5px;line-height:1.55;overflow-x:auto}[data-theme=dark] .guru-prose pre{background:#0d1018!important;border-color:#ffffff0f}.guru-prose pre.astro-code,.guru-prose pre.astro-code span{color:var(--shiki-light);background-color:var(--shiki-light-bg);font-style:var(--shiki-light-font-style);font-weight:var(--shiki-light-font-weight);text-decoration:var(--shiki-light-text-decoration)}[data-theme=dark] .guru-prose pre.astro-code,[data-theme=dark] .guru-prose pre.astro-code span{color:var(--shiki-dark);background-color:var(--shiki-dark-bg);font-style:var(--shiki-dark-font-style);font-weight:var(--shiki-dark-font-weight);text-decoration:var(--shiki-dark-text-decoration)}.guru-prose pre code{background:transparent;padding:0;border:none;font-size:inherit;color:inherit}.guru-figure{max-width:var(--guru-figure-w);width:calc(100% + 80px);margin:36px auto 36px -40px}.guru-figure-frame{border:1px solid var(--guru-rule);background:var(--guru-bg-soft);border-radius:var(--radius-md);padding:28px;position:relative;overflow:hidden}.guru-figure-frame img,.guru-figure-frame svg{max-width:100%;display:block;margin:0 auto}[data-theme=dark] .guru-figure-frame{background:#0d1018}.guru-figure-cap{font-family:var(--font-mono);font-size:12px;color:var(--guru-fg-faint);margin-top:10px;padding:0 4px;display:flex;gap:10px;flex-wrap:wrap}.guru-figure-cap b{color:var(--guru-fg-muted);font-weight:600;text-transform:uppercase;letter-spacing:.08em}.guru-margin-figure{position:absolute;top:40px;right:-240px;width:220px;transform:rotate(-4deg);transform-origin:top right}.guru-margin-figure .frame{width:220px;min-height:360px;background:var(--guru-bg);border:1px solid var(--guru-rule);border-radius:var(--radius-sm);padding:16px;box-shadow:0 18px 40px -20px #10182859;position:relative;overflow:hidden}.guru-margin-figure .frame img,.guru-margin-figure .frame svg{width:100%;height:auto;display:block}[data-theme=dark] .guru-margin-figure .frame{background:#101523;box-shadow:0 18px 40px -20px #000c}.guru-margin-figure .tape{position:absolute;top:-12px;left:50%;transform:translate(-50%) rotate(-2deg);width:70px;height:20px;background:color-mix(in oklab,var(--guru-accent) 20%,transparent);border:1px solid color-mix(in oklab,var(--guru-accent) 35%,transparent);border-radius:2px;z-index:2}.guru-margin-figure .cap{position:absolute;right:-8px;top:8px;transform-origin:top right;transform:rotate(90deg) translate(100%);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--guru-fg-faint);white-space:nowrap}.guru-foot{border-top:1px solid var(--guru-rule);padding:40px 56px;display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:12px;color:var(--guru-fg-faint);letter-spacing:.04em;flex-wrap:wrap;gap:20px}.guru-foot-links{display:flex;gap:18px}.guru-foot a{color:inherit;text-decoration:none}.guru-foot a:hover{color:var(--guru-fg-muted)}@media(max-width:960px){.guru-page{margin:0 auto;border-radius:0;box-shadow:none}.guru-mast{padding:12px 20px}.guru-mast-tag{display:none}.guru-hero{padding:40px 20px 24px}.guru-hero h1{font-size:40px}.guru-hero-sub{font-size:17px}.guru-hero-image{height:240px}.guru-feed{grid-template-columns:1fr;padding:40px 20px;gap:48px}.guru-article{padding:24px 20px 60px}.guru-art-title{font-size:36px}.guru-art-dek{font-size:18px}.guru-art-title-image{height:260px}.guru-prose{font-size:17px}.guru-prose h2{font-size:24px;margin-top:36px}.guru-prose h3{font-size:19px}.guru-prose pre,.guru-figure{width:100%;margin-left:0}.guru-margin-figure{display:none}.guru-foot{padding:24px 20px}.guru-card{grid-template-columns:100px 1fr;gap:16px}.guru-card-img{height:80px}.guru-card-title{font-size:19px}.guru-card-dek{font-size:14.5px}}@media(max-width:560px){.guru-mast-nav{gap:14px}.guru-mast-nav a,.guru-mast-nav .navlink{font-size:12px}.guru-mast-cta{display:none}.guru-hero 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