:root{--ink: #0A0A0A;--paper: #FFFFFF;--cream: #FAFAF7;--cream-2: #F0F0EA;--muted: #6B7280;--hairline: #E5E5E5;--accent: #A3E635;--accent-dark: #84CC16;--accent-soft: #F5FFE0;--brand-1: var(--ink);--brand-2: var(--ink);--brand-3: var(--accent);--gradient-brand: var(--ink);--gradient-brand-soft: var(--cream);--color-primary: var(--ink);--color-primary-dark: var(--ink);--color-primary-light: var(--accent-soft);--color-accent: var(--accent);--color-accent-dark: var(--accent-dark);--color-bg: var(--paper);--color-surface: var(--cream);--color-surface-2: var(--cream-2);--color-text: var(--ink);--color-text-muted: var(--muted);--color-text-inverse: var(--paper);--color-border: var(--hairline);--color-border-strong: var(--ink);--color-success: #16a34a;--color-warning: #d97706;--color-danger: #dc2626;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display: "Bricolage Grotesque", "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-base: 1.6;--line-height-relaxed: 1.75;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(10 10 10 / .04);--shadow-md: 0 4px 14px -2px rgb(10 10 10 / .06), 0 2px 6px -2px rgb(10 10 10 / .04);--shadow-lg: 0 18px 40px -12px rgb(10 10 10 / .12), 0 6px 12px -6px rgb(10 10 10 / .06);--shadow-xl: 0 32px 60px -20px rgb(10 10 10 / .18), 0 10px 20px -10px rgb(10 10 10 / .08);--shadow-glow: 0 0 0 2px var(--ink);--max-width-content: 72ch;--max-width-wide: 1200px;--header-height: 64px}[data-theme=dark]{--color-bg: #0A0A0A;--color-surface: #151515;--color-surface-2: #1F1F1F;--color-text: #FAFAF7;--color-text-muted: #A3A3A3;--color-border: #2A2A2A;--color-border-strong: #FAFAF7;--color-primary: #FAFAF7;--color-primary-dark: #FFFFFF;--color-primary-light: #1A2510;--gradient-brand: var(--accent);--gradient-brand-soft: #151515;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .4);--shadow-md: 0 4px 14px -2px rgb(0 0 0 / .5), 0 2px 6px -2px rgb(0 0 0 / .4);--shadow-lg: 0 18px 40px -12px rgb(0 0 0 / .6), 0 6px 12px -6px rgb(0 0 0 / .4);--shadow-xl: 0 32px 60px -20px rgb(0 0 0 / .7), 0 10px 20px -10px rgb(0 0 0 / .5);--shadow-glow: 0 0 0 2px var(--accent)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv02","cv03","cv04","cv11","ss01";transition:background-color .2s,color .2s}::selection{background:var(--accent);color:var(--ink)}img,video{max-width:100%;height:auto;display:block}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}ul,ol{list-style:none}button{cursor:pointer;font-family:inherit;border:none;background:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.container{width:100%;max-width:var(--max-width-wide);margin-inline:auto;padding-inline:var(--space-6)}.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--color-bg) 80%,transparent);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--color-border) 70%,transparent)}.header-inner{display:flex;align-items:center;gap:var(--space-6);height:72px}.site-logo{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;color:inherit}.site-logo:hover{text-decoration:none}.site-logo-mark{width:36px;height:36px;display:inline-flex;border-radius:10px;box-shadow:var(--shadow-sm),0 0 0 1px #4f46e526;overflow:hidden;flex-shrink:0}.site-logo-mark svg{width:100%;height:100%;display:block}.site-logo-word{display:flex;flex-direction:column;line-height:1}.site-logo-word-top{font-weight:800;font-size:1.05rem;letter-spacing:-.02em;color:var(--color-text)}.site-logo-word-ai{background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;color:transparent}.site-logo-word-sub{margin-top:2px;font-size:.68rem;font-weight:500;color:var(--color-text-muted);letter-spacing:.01em}.main-nav ul{display:flex;gap:2px}.main-nav a{display:inline-flex;align-items:center;padding:.5rem .9rem;font-size:.9rem;font-weight:500;color:var(--color-text);border-radius:999px;transition:background-color .15s,color .15s}.main-nav a:hover{background:var(--color-surface);color:var(--color-primary);text-decoration:none}.header-actions{display:flex;align-items:center;gap:var(--space-2);margin-left:auto}.menu-toggle{display:none;padding:var(--space-2) var(--space-3);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md)}.mobile-menu{border-top:1px solid var(--color-border);padding:var(--space-4) var(--space-6)}.mobile-menu ul{display:flex;flex-direction:column;gap:var(--space-2)}.mobile-menu a{display:block;padding:var(--space-3) var(--space-4);font-weight:var(--font-weight-medium);color:var(--color-text);border-radius:var(--radius-md)}.mobile-menu a:hover{background:var(--color-surface);text-decoration:none}.dark-mode-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);color:var(--color-text-muted);transition:background-color .15s,color .15s}.dark-mode-toggle:hover{background:var(--color-surface);color:var(--color-text)}.dark-mode-toggle svg{width:18px;height:18px}.site-footer{position:relative;background:#0b1020;color:#d7dcee;margin-top:var(--space-20);overflow:hidden}.site-footer:before{content:"";position:absolute;inset:0;background:radial-gradient(500px 260px at 10% 0%,rgb(79 70 229 / .35),transparent 70%),radial-gradient(500px 260px at 90% 10%,rgb(245 158 11 / .18),transparent 70%);pointer-events:none}.site-footer>*{position:relative}.site-footer .footer-col h3{color:#9aa3c2}.site-footer .footer-col a{color:#d7dcee}.site-footer .footer-col a:hover{color:#fff}.site-footer .footer-tagline{color:#9aa3c2}.site-footer .social-link{background:#ffffff0f;color:#d7dcee}.site-footer .social-link:hover{background:var(--gradient-brand);color:#fff}.site-footer .footer-bottom{border-top:1px solid rgb(255 255 255 / .08);color:#9aa3c2}.site-footer .footer-bottom strong{color:#fff}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-8);padding-block:var(--space-12)}.footer-col h3{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-4)}.footer-col ul{display:flex;flex-direction:column;gap:var(--space-2)}.footer-col a{font-size:var(--font-size-sm);color:var(--color-text);transition:color .15s}.footer-col a:hover{color:var(--color-primary);text-decoration:none}.footer-tagline{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:var(--line-height-relaxed);margin-bottom:var(--space-4)}.social-links{display:flex;gap:var(--space-3)}.social-link{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);background:var(--color-surface-2);color:var(--color-text-muted);transition:background-color .15s,color .15s}.social-link:hover{background:var(--color-primary);color:#fff}.social-link svg{width:16px;height:16px}.footer-bottom{border-top:1px solid var(--color-border);padding-block:var(--space-6);font-size:var(--font-size-sm);color:var(--color-text-muted);text-align:center}.scroll-to-top{position:fixed;bottom:var(--space-8);right:var(--space-8);z-index:50;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-full);background:var(--color-primary);color:#fff;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,visibility .2s,transform .2s}.scroll-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{background:var(--color-primary-dark)}.scroll-to-top svg{width:20px;height:20px}.hero{position:relative;background:var(--gradient-brand-soft);padding-block:clamp(4rem,8vw,7rem) clamp(3rem,6vw,5.5rem);text-align:center;overflow:hidden;isolation:isolate}.hero:before{content:"";position:absolute;inset:-20%;background:radial-gradient(40% 40% at 20% 30%,rgb(79 70 229 / .18),transparent 70%),radial-gradient(35% 35% at 85% 20%,rgb(245 158 11 / .18),transparent 70%),radial-gradient(30% 30% at 70% 90%,rgb(124 58 237 / .15),transparent 70%);z-index:-1;pointer-events:none}.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgb(15 23 42 / .035) 1px,transparent 1px),linear-gradient(to bottom,rgb(15 23 42 / .035) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,black 40%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 75%);z-index:-1;pointer-events:none}.hero-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .85rem;background:color-mix(in srgb,var(--color-bg) 85%,transparent);backdrop-filter:blur(8px);color:var(--color-primary-dark);border:1px solid color-mix(in srgb,var(--color-primary) 30%,transparent);border-radius:999px;font-size:.8rem;font-weight:600;margin-bottom:var(--space-6);box-shadow:var(--shadow-sm)}[data-theme=dark] .hero-badge{color:var(--color-primary);background:color-mix(in srgb,var(--color-surface) 85%,transparent)}.hero h1{font-family:var(--font-display);font-size:clamp(2.25rem,5.5vw,4.25rem);font-weight:700;line-height:1.05;letter-spacing:-.03em;color:var(--color-text);margin-bottom:var(--space-5);max-width:900px;margin-inline:auto;font-variation-settings:"opsz" 96}.hero h1 em,.hero h1 .hl{font-style:italic;background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-sub{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--color-text-muted);max-width:640px;margin-inline:auto;margin-bottom:var(--space-8);line-height:1.6}.hero-cta-group{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border-radius:var(--radius-md);border:2px solid transparent;transition:background-color .15s,border-color .15s,color .15s,transform .1s;cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--gradient-brand);background-size:180% 180%;background-position:0% 50%;color:#fff;box-shadow:var(--shadow-md),inset 0 1px #fff3;transition:background-position .4s ease,transform .15s ease,box-shadow .2s ease}.btn-primary:hover{color:#fff;background-position:100% 50%;box-shadow:var(--shadow-glow),inset 0 1px #fff3;transform:translateY(-1px)}.btn-outline{background:color-mix(in srgb,var(--color-bg) 70%,transparent);backdrop-filter:blur(8px);border-color:var(--color-border-strong);color:var(--color-text)}.btn-outline:hover{background:var(--color-bg);border-color:var(--color-primary);color:var(--color-primary)}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm)}.tools-section{padding-block:var(--space-16)}.section-header{text-align:center;margin-bottom:var(--space-12)}.section-header h2{font-family:var(--font-display);font-size:clamp(1.75rem,3.2vw,2.5rem);font-weight:700;letter-spacing:-.025em;line-height:1.15;margin-bottom:var(--space-3)}.section-header p{font-size:var(--font-size-lg);color:var(--color-text-muted);max-width:620px;margin-inline:auto;line-height:1.6}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-6)}.tool-card{position:relative;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:var(--space-4);transition:box-shadow .25s,transform .25s,border-color .25s;overflow:hidden}.tool-card:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--gradient-brand);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .25s;pointer-events:none}.tool-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}.tool-card:hover:before{opacity:1}.tool-card-header{display:flex;align-items:center;gap:var(--space-3)}.tool-logo{width:52px;height:52px;border-radius:12px;object-fit:contain;background:var(--color-surface);padding:6px;box-shadow:var(--shadow-sm),inset 0 0 0 1px var(--color-border)}.tool-name{font-family:var(--font-display);font-size:1.15rem;font-weight:700;letter-spacing:-.015em;color:var(--color-text)}.tool-badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .7rem;background:var(--color-primary-light);color:var(--color-primary-dark);border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;border:1px solid color-mix(in srgb,var(--color-primary) 20%,transparent)}[data-theme=dark] .tool-badge{color:var(--color-primary)}.tool-features{display:flex;flex-direction:column;gap:var(--space-2);flex:1}.tool-feature{display:flex;align-items:flex-start;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-muted)}.tool-feature:before{content:"✓";color:var(--color-success);font-weight:var(--font-weight-bold);flex-shrink:0;margin-top:1px}.tool-pricing{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);color:var(--color-text-muted);width:fit-content}.tool-cta{display:flex;align-items:center;justify-content:center;gap:.4rem;width:100%;padding:.75rem 1rem;background:var(--gradient-brand);background-size:180% 180%;background-position:0% 50%;color:#fff;border-radius:10px;font-weight:600;font-size:.9rem;transition:background-position .4s,box-shadow .2s;text-decoration:none;box-shadow:var(--shadow-sm)}.tool-cta:after{content:"→";transition:transform .2s}.tool-cta:hover{color:#fff;background-position:100% 50%;text-decoration:none;box-shadow:var(--shadow-glow)}.tool-cta:hover:after{transform:translate(3px)}.categories-section{position:relative;padding-block:clamp(3.5rem,8vw,6rem);background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.categories-section:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 90% 0%,rgb(124 58 237 / .08),transparent 70%),radial-gradient(600px 300px at 10% 100%,rgb(245 158 11 / .06),transparent 70%);pointer-events:none}.categories-section>*{position:relative}.categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--space-5)}.category-card{position:relative;display:flex;align-items:flex-start;gap:var(--space-4);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);text-decoration:none;box-shadow:var(--shadow-sm);transition:box-shadow .25s,transform .25s,border-color .25s;color:var(--color-text);overflow:hidden}.category-card:after{content:"→";position:absolute;top:var(--space-5);right:var(--space-5);color:var(--color-text-muted);opacity:0;transform:translate(-6px);transition:opacity .25s,transform .25s,color .25s;font-weight:600}.category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:color-mix(in srgb,var(--color-primary) 50%,var(--color-border));text-decoration:none}.category-card:hover:after{opacity:1;transform:translate(0);color:var(--color-primary)}.category-icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:1.4rem;line-height:1;flex-shrink:0;background:var(--gradient-brand-soft);border-radius:12px;box-shadow:inset 0 0 0 1px var(--color-border)}.category-content h3{font-family:var(--font-display);font-size:1.1rem;font-weight:700;letter-spacing:-.015em;margin-bottom:.3rem}.category-content p{font-size:.9rem;color:var(--color-text-muted);line-height:1.5}.article-layout{display:grid;grid-template-columns:1fr;gap:var(--space-8);padding-block:var(--space-10)}@media(min-width:1024px){.article-layout{grid-template-columns:1fr 280px;align-items:start}}.article-content{max-width:var(--max-width-content);min-width:0}.article-content h1,.article-content h2,.article-content h3,.article-content h4{line-height:var(--line-height-tight);margin-top:var(--space-8);margin-bottom:var(--space-4);color:var(--color-text)}.article-content h1{font-size:var(--font-size-3xl)}.article-content h2{font-size:var(--font-size-2xl)}.article-content h3{font-size:var(--font-size-xl)}.article-content h4{font-size:var(--font-size-lg)}.article-content p{margin-bottom:var(--space-5);color:var(--color-text)}.article-content ul,.article-content ol{margin-bottom:var(--space-5);padding-left:var(--space-6)}.article-content ul{list-style:disc}.article-content ol{list-style:decimal}.article-content li{margin-bottom:var(--space-2)}.article-content a{color:var(--color-primary);text-decoration:underline}.article-content img{border-radius:var(--radius-lg);margin-block:var(--space-6)}.article-content table{width:100%;border-collapse:collapse;margin-bottom:var(--space-6);font-size:var(--font-size-sm);overflow-x:auto;display:block}.article-content th{background:var(--color-surface);font-weight:var(--font-weight-semibold);text-align:left;padding:var(--space-3) var(--space-4);border-bottom:2px solid var(--color-border)}.article-content td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.article-content tr:hover td{background:var(--color-surface)}.toc-sidebar{position:sticky;top:calc(var(--header-height) + var(--space-4));background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5)}.toc-sidebar h4{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-3)}.toc-list{display:flex;flex-direction:column;gap:var(--space-2)}.toc-list a{font-size:var(--font-size-sm);color:var(--color-text-muted);text-decoration:none;line-height:var(--line-height-snug);transition:color .15s}.toc-list a:hover{color:var(--color-primary)}.toc-list .toc-h3{padding-left:var(--space-4)}.author-bio{display:flex;gap:var(--space-4);align-items:flex-start;padding:var(--space-6);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);margin-top:var(--space-10)}.author-avatar{width:64px;height:64px;border-radius:var(--radius-full);object-fit:cover;flex-shrink:0}.author-info-label{font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);font-weight:var(--font-weight-semibold)}.author-info-name{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);margin-block:var(--space-1)}.author-info-name 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