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Code','Cascadia Code','Consolas',monospace;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--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;--max-w-content:1440px;--max-w-prose:900px;--header-height:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:20px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(1,87,155,0.08),0 1px 2px rgba(1,87,155,0.04);--shadow-md:0 4px 12px rgba(1,87,155,0.1),0 2px 4px rgba(1,87,155,0.06);--shadow-lg:0 10px 30px rgba(1,87,155,0.12),0 4px 8px rgba(1,87,155,0.06);--shadow-xl:0 20px 50px rgba(1,87,155,0.15);--transition:0.2s ease;--transition-slow:0.35s ease}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.7;color:var(--color-text);background:var(--color-bg);min-height:100vh;display:flex;flex-direction:column}main{flex:1}img,svg{max-width:100%;display:block}a{color:var(--color-link);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-link-hover)}:focus-visible{outline:2px solid var(--color-mango);outline-offset:3px;border-radius:var(--radius-sm)}[id],h2,h3,h4,h5,h6{scroll-margin-top:calc(var(--header-height) + 1.5rem)}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:700;line-height:1.25;color:var(--color-navy)}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}@media (max-width:768px){h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}}p{margin-bottom:var(--space-4)}p:last-child{margin-bottom:0}ol,ul{padding-left:var(--space-6);margin-bottom:var(--space-4)}li{margin-bottom:var(--space-1)}strong{font-weight:700;color:var(--color-navy)}em{font-style:italic}blockquote{border-left:4px solid var(--color-sky);padding:var(--space-3) var(--space-6);margin:var(--space-6) 0;background:var(--color-sky-light);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--color-text-muted);font-style:italic}hr{border:none;border-top:1px solid var(--color-sky-light);margin:var(--space-8) 0}code:not([class*=language-]){font-family:var(--font-mono);font-size:.875em;background:var(--color-surface-code);color:var(--color-ocean-dark);padding:.15em .35em;border-radius:var(--radius-sm)}.container{width:100%;max-width:var(--max-w-content);margin:0 auto;padding:0 var(--space-6)}@media (max-width:768px){.container{padding:0 var(--space-4)}}.prose{max-width:var(--max-w-prose)}.site-header{position:sticky;top:0;z-index:100;height:var(--header-height);background:var(--color-header-bg);border-bottom:1px solid var(--color-header-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-sm)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:var(--space-8)}.site-logo{display:flex;align-items:center;gap:var(--space-3);text-decoration:none;flex-shrink:0;transition:opacity var(--transition)}.site-logo:hover{opacity:.85;color:inherit}.logo-img{width:40px;height:40px;border-radius:var(--radius-md);transition:transform var(--transition)}.site-logo:hover .logo-img{transform:rotate(-5deg) scale(1.05)}.logo-text{font-size:var(--text-lg);font-weight:700;line-height:1;letter-spacing:-.02em}.logo-text-primary{color:var(--color-navy)}.logo-text-accent{color:var(--color-ocean)}.main-nav{display:flex;align-items:center}.nav-list{display:flex;align-items:center;gap:var(--space-1);list-style:none;padding:0;margin:0}.nav-link{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);color:var(--color-text-muted);font-size:var(--text-sm);font-weight:500;text-decoration:none;transition:color var(--transition),background var(--transition);white-space:nowrap}.nav-link:hover{color:var(--color-ocean);background:var(--color-sky-light)}.nav-link--active{color:var(--color-ocean);background:var(--color-sky-light);font-weight:600}.nav-icon{width:16px;height:16px;flex-shrink:0;transition:color var(--transition)}.nav-link--active .nav-icon{color:var(--color-tangerine)}.nav-toggle{display:none;flex-direction:column;justify-content:space-between;width:28px;height:20px;background:0 0;border:none;cursor:pointer;padding:0;flex-shrink:0}.nav-toggle span{display:block;width:100%;height:2px;background:var(--color-navy);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}.nav-toggle[aria-expanded=true] span:first-child{transform:translateY(9px) rotate(45deg)}.nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}@media (max-width:768px){.nav-toggle{display:flex}.main-nav{position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-header-border);box-shadow:var(--shadow-md);padding:var(--space-4);display:none}.main-nav.is-open{display:flex}.nav-list{flex-direction:column;align-items:stretch;gap:var(--space-1);width:100%}.nav-link{padding:var(--space-3) var(--space-4);font-size:var(--text-base)}}.site-footer{background:var(--color-navy);color:rgba(255,255,255,.75);margin-top:auto;padding:var(--space-16) 0 var(--space-8)}.footer-inner{display:flex;flex-direction:column;gap:var(--space-10)}.footer-brand{display:flex;align-items:center;gap:var(--space-3)}.footer-brand-name{font-weight:600;font-size:var(--text-lg);color:#fff}.footer-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--space-8)}.footer-heading{font-size:var(--text-sm);font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-sky);margin-bottom:var(--space-4)}.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-2)}.footer-col a{font-size:var(--text-sm);color:rgba(255,255,255,.65);text-decoration:none;transition:color var(--transition)}.footer-col a:hover{color:var(--color-sky)}.footer-copy{font-size:var(--text-sm);color:rgba(255,255,255,.4);border-top:1px solid rgba(255,255,255,.1);padding-top:var(--space-6);margin-bottom:0}.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;color:#fff}.hero-bg{position:absolute;inset:0;background:var(--gradient-hero);z-index:0}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(79,195,247,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(79,195,247,.07) 1px,transparent 1px);background-size:60px 60px}.hero-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.25}.hero-glow--1{width:600px;height:600px;background:var(--color-sky);top:-100px;left:-100px}.hero-glow--2{width:500px;height:500px;background:var(--color-tangerine);bottom:-100px;right:5%}.hero-content{position:relative;z-index:1;padding-top:var(--space-20);padding-bottom:var(--space-20);max-width:900px}.hero-eyebrow{font-size:var(--text-sm);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-sky);margin-bottom:var(--space-4)}.hero-title{font-size:clamp(2.5rem, 6vw, 4.5rem);font-weight:800;line-height:1.1;color:#fff;margin-bottom:var(--space-6);letter-spacing:-.03em}.hero-title-accent{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:var(--text-xl);color:rgba(255,255,255,.8);max-width:640px;line-height:1.6;margin-bottom:var(--space-10)}.hero-ctas{display:flex;flex-wrap:wrap;gap:var(--space-4)}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-full);font-size:var(--text-base);font-weight:600;text-decoration:none;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition);white-space:nowrap;cursor:pointer}.btn svg{width:18px;height:18px;flex-shrink:0}.btn:hover{transform:translateY(-2px);text-decoration:none}.btn--primary{background:var(--color-sky);color:var(--color-navy);box-shadow:0 0 0 0 rgba(79,195,247,.4)}.btn--primary:hover{background:#81d4fa;color:var(--color-navy);box-shadow:0 8px 24px rgba(79,195,247,.4)}.btn--primary svg{color:var(--color-ocean-dark)}.btn--secondary{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.3);backdrop-filter:blur(8px)}.btn--secondary:hover{background:rgba(255,255,255,.2);color:#fff;border-color:rgba(255,255,255,.5);box-shadow:0 8px 24px rgba(0,0,0,.2)}.btn--secondary svg{color:var(--color-sky)}.btn--accent{background:var(--gradient-accent);color:#fff}.btn--accent:hover{box-shadow:0 8px 24px rgba(255,109,0,.4)}.btn--accent svg{color:#fff}.about-section{padding:var(--space-24) 0;background:var(--color-surface)}.section-title{font-size:var(--text-3xl);font-weight:700;color:var(--color-navy);margin-bottom:var(--space-10);position:relative;padding-bottom:var(--space-4)}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:var(--gradient-accent);border-radius:var(--radius-full)}.about-grid{display:grid;grid-template-columns:1fr auto;gap:var(--space-16);align-items:start}.about-text p{font-size:var(--text-lg);color:var(--color-text-muted);line-height:1.8;margin-bottom:var(--space-5)}.about-stats{display:flex;flex-direction:column;gap:var(--space-4);min-width:180px}.stat-card{background:var(--color-surface-2);border:1px solid var(--color-sky-light);border-radius:var(--radius-lg);padding:var(--space-5) var(--space-6);text-align:center;transition:transform var(--transition),box-shadow var(--transition)}.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.stat-number{display:block;font-size:var(--text-3xl);font-weight:800;background:var(--gradient-title);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:var(--space-1)}.stat-label{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:500}.sections-grid{padding:var(--space-24) 0;background:var(--color-bg)}.sections-grid .container{display:flex;flex-direction:column;gap:var(--space-8)}.sections-grid .section-title{margin-bottom:var(--space-2)}.section-card{background:var(--color-surface);border-radius:var(--radius-xl);border:1px solid var(--color-sky-light);padding:var(--space-8);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.section-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-sky-mid)}.section-card-header{display:flex;gap:var(--space-5);align-items:flex-start;margin-bottom:var(--space-6)}.section-card-icon{width:52px;height:52px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.section-card-icon svg{width:26px;height:26px}.section-card--fundamentals .section-card-icon{background:var(--color-sky-light);color:var(--color-ocean)}.section-card--styling .section-card-icon{background:#fff8e1;color:var(--color-mango-dark)}.section-card--export .section-card-icon{background:#fff3e0;color:var(--color-tangerine)}.section-card-title{font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-2);color:var(--color-navy)}.section-card-title a{color:inherit;text-decoration:none;transition:color var(--transition)}.section-card-title a:hover{color:var(--color-ocean)}.section-card-desc{font-size:var(--text-base);color:var(--color-text-muted);line-height:1.65;margin:0}.section-card-links{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:var(--space-2);border-top:1px solid var(--color-sky-light);padding-top:var(--space-5)}.section-card-links a{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;background:var(--color-surface-2);color:var(--color-ocean);text-decoration:none;border:1px solid transparent;transition:background var(--transition),border-color var(--transition),color var(--transition),transform var(--transition)}.section-card-links a:hover{background:var(--color-sky-light);border-color:var(--color-sky);color:var(--color-ocean-dark);transform:translateY(-1px)}@media (max-width:1024px){.about-grid{grid-template-columns:1fr;gap:var(--space-8)}.about-stats{flex-direction:row;min-width:unset}.stat-card{flex:1}}@media (max-width:768px){.hero-title{font-size:clamp(2rem, 8vw, 3rem)}.hero-subtitle{font-size:var(--text-base)}.hero-ctas{flex-direction:column}.btn{justify-content:center}.about-stats{flex-direction:column}.about-section,.sections-grid{padding:var(--space-16) 0}.section-card-header{flex-direction:column}.section-card-links{gap:var(--space-2)}}.page-wrapper{max-width:var(--max-w-content);margin:0 auto;padding:var(--space-8) var(--space-6);width:100%}@media (max-width:768px){.page-wrapper{padding:var(--space-5) var(--space-4)}}.breadcrumbs{margin-bottom:var(--space-6)}.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-1);list-style:none;padding:0;margin:0;font-size:var(--text-sm)}.breadcrumbs li{display:flex;align-items:center;gap:var(--space-1);margin:0}.breadcrumbs a{color:var(--color-text-muted);text-decoration:none;transition:color var(--transition)}.breadcrumbs a:hover{color:var(--color-ocean)}.breadcrumbs [aria-current=page]{color:var(--color-text-light);font-weight:500}.breadcrumb-sep{color:var(--color-text-light)}.page-content{width:100%}.page-content h1{font-size:clamp(1.875rem, 4vw, 2.75rem);font-weight:800;background:var(--gradient-title);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-6);line-height:1.2;letter-spacing:-.025em}.page-content h2{font-size:clamp(1.5rem, 3vw, 2rem);font-weight:700;color:var(--color-navy);margin-top:var(--space-12);margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:2px solid var(--color-sky-light);position:relative}.page-content h2::before{content:'';position:absolute;bottom:-2px;left:0;width:48px;height:2px;background:var(--gradient-accent)}.page-content h3{font-size:clamp(1.125rem, 2vw, 1.375rem);font-weight:700;color:var(--color-ocean-dark);margin-top:var(--space-8);margin-bottom:var(--space-3)}.page-content h4{font-size:var(--text-lg);font-weight:600;color:var(--color-navy);margin-top:var(--space-6);margin-bottom:var(--space-2)}.page-content h5,.page-content h6{font-size:var(--text-base);font-weight:600;color:var(--color-text);margin-top:var(--space-4);margin-bottom:var(--space-2)}.page-content p{font-size:var(--text-lg);line-height:1.8;color:var(--color-text);margin-bottom:var(--space-5)}.page-content>:first-child{margin-top:0}.page-content ul{list-style:none;padding-left:var(--space-2);margin-bottom:var(--space-5)}.page-content ul>li{position:relative;padding-left:var(--space-6);margin-bottom:var(--space-2);font-size:var(--text-lg);line-height:1.75;color:var(--color-text)}.page-content ul>li::before{content:'';position:absolute;left:var(--space-2);top:.6em;width:7px;height:7px;border-radius:50%;background:var(--color-sky-mid);flex-shrink:0}.page-content ul ul{margin-top:var(--space-2);margin-bottom:var(--space-2);padding-left:var(--space-2)}.page-content ul ul>li::before{width:6px;height:6px;background:0 0;border:2px solid var(--color-tangerine);top:.62em}.page-content ul ul ul>li::before{width:5px;height:5px;border-radius:1px;background:var(--color-navy);border:none;top:.65em}.page-content ol{list-style:none;counter-reset:ol-counter;padding-left:var(--space-2);margin-bottom:var(--space-5)}.page-content ol>li{counter-increment:ol-counter;position:relative;padding-left:var(--space-8);margin-bottom:var(--space-3);font-size:var(--text-lg);line-height:1.75;color:var(--color-text)}.page-content ol>li::before{content:counter(ol-counter);position:absolute;left:0;top:.18em;width:24px;height:24px;border-radius:50%;background:var(--color-ocean);color:#fff;font-size:.72rem;font-weight:700;font-family:var(--font-sans);display:flex;align-items:center;justify-content:center;line-height:1;flex-shrink:0}.page-content ol ol{counter-reset:ol-counter;margin-top:var(--space-2);margin-bottom:var(--space-2);padding-left:var(--space-2)}.page-content ol ol>li::before{background:0 0;border:2px solid var(--color-tangerine);color:var(--color-tangerine);font-size:.68rem}.page-content .task-list-item::before,.page-content .task-list-item>li::before{display:none}.page-content ul:has(> .task-list-item){padding-left:0}.page-content li>ol,.page-content li>ul{margin-top:var(--space-2);margin-bottom:0}.page-content a{color:var(--color-ocean);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:color var(--transition),text-decoration-color var(--transition)}.page-content a:hover{color:var(--color-tangerine);text-decoration-color:currentColor}.page-content table,.table-wrapper table{width:100%;border-collapse:collapse;font-size:var(--text-sm);line-height:1.5}.page-content table{display:block;overflow-x:auto;white-space:nowrap;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);max-width:100%;margin-bottom:var(--space-6)}.page-content th{background:var(--color-navy);color:var(--color-sky);font-weight:600;text-align:left;padding:var(--space-3) var(--space-4);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.07em}.page-content th:first-child{border-radius:var(--radius-lg) 0 0 0}.page-content th:last-child{border-radius:0 var(--radius-lg) 0 0}.page-content td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-sky-light);color:var(--color-text);white-space:normal}.page-content tr:last-child td{border-bottom:none}.page-content tr:nth-child(2n) td{background:var(--color-surface-2)}.page-content tr:hover td{background:var(--color-sky-light)}.page-content details,details.faq{border:1px solid var(--color-sky-light);border-radius:var(--radius-lg);margin-bottom:var(--space-3);overflow:hidden;transition:box-shadow 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