:root{--color-primary: #1e40af;--color-primary-dark: #1e3a8a;--color-primary-light: #3b82f6;--color-secondary: #0f766e;--color-secondary-dark: #115e59;--color-accent: #ea580c;--color-accent-dark: #c2410c;--color-white: #ffffff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-black: #000000;--color-success: #15803d;--color-success-bg: #dcfce7;--color-warning: #a16207;--color-warning-bg: #fef3c7;--color-error: #b91c1c;--color-error-bg: #fee2e2;--color-info: #0369a1;--color-info-bg: #e0f2fe;--color-neutral-gray: #808080;--font-family-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--font-family-mono: "JetBrains Mono", "Fira Code", 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-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--border-radius-sm: .25rem;--border-radius-md: .375rem;--border-radius-lg: .5rem;--border-radius-xl: .75rem;--border-radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--focus-ring: 0 0 0 3px var(--color-primary-light);--focus-ring-offset: 0 0 0 2px var(--color-white);--max-width-prose: 65ch;--max-width-content: 1200px;--max-width-narrow: 640px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{font-family:var(--font-family-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-gray-900);background-color:var(--color-white);min-height:100vh;display:flex;flex-direction:column}main{flex:1}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-gray-900)}h1{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-6)}h2{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-4)}h3{font-size:var(--font-size-xl);margin-bottom:var(--spacing-3)}p{margin-bottom:var(--spacing-4)}strong{font-weight:var(--font-weight-semibold)}a{color:var(--color-primary);text-decoration:underline;text-underline-offset:2px;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}a:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--border-radius-sm)}.skip-link{position:absolute;top:-100%;left:var(--spacing-4);padding:var(--spacing-3) var(--spacing-4);background-color:var(--color-primary);color:var(--color-white);text-decoration:none;font-weight:var(--font-weight-medium);border-radius:var(--border-radius-md);z-index:9999;transition:top var(--transition-fast)}.skip-link:focus{top:var(--spacing-4);outline:none;box-shadow:var(--focus-ring)}.site-header{background-color:var(--color-white);border-bottom:1px solid var(--color-gray-200);position:sticky;top:0;z-index:100}.header-container{max-width:var(--max-width-content);margin:0 auto;padding:var(--spacing-4) var(--spacing-6);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-4)}.logo{display:flex;align-items:center;gap:var(--spacing-2);text-decoration:none;font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-gray-900)}.logo:hover{color:var(--color-primary)}.logo-icon{font-size:var(--font-size-2xl)}.logo-accent{color:var(--color-primary)}.main-nav{display:none}.main-nav.is-open{display:block;position:absolute;top:100%;left:0;right:0;background-color:var(--color-white);border-bottom:1px solid var(--color-gray-200);box-shadow:var(--shadow-lg)}.nav-list{list-style:none;display:flex;flex-direction:column}.nav-link{display:block;padding:var(--spacing-4) var(--spacing-6);color:var(--color-gray-700);text-decoration:none;font-weight:var(--font-weight-medium);border-bottom:1px solid var(--color-gray-100);transition:background-color var(--transition-fast),color var(--transition-fast)}.nav-link:hover,.nav-link.active{background-color:var(--color-gray-50);color:var(--color-primary)}.nav-link:focus-visible{outline:none;box-shadow:inset var(--focus-ring)}.menu-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:none;border:none;cursor:pointer;border-radius:var(--border-radius-md)}.menu-toggle:focus-visible{outline:none;box-shadow:var(--focus-ring)}.hamburger{display:block;width:24px;height:2px;background-color:var(--color-gray-700);position:relative}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0;width:24px;height:2px;background-color:var(--color-gray-700)}.hamburger:before{top:-8px}.hamburger:after{bottom:-8px}@media(min-width:768px){.menu-toggle{display:none}.main-nav{display:block;position:static;background:none;border:none;box-shadow:none}.nav-list{flex-direction:row;gap:var(--spacing-1)}.nav-link{padding:var(--spacing-2) var(--spacing-3);border:none;border-radius:var(--border-radius-md)}.nav-link:hover,.nav-link.active{background-color:var(--color-gray-100)}}.site-footer{background-color:var(--color-gray-900);color:var(--color-gray-300);margin-top:auto}.footer-container{max-width:var(--max-width-content);margin:0 auto;padding:var(--spacing-12) var(--spacing-6)}.footer-main{display:grid;gap:var(--spacing-10);margin-bottom:var(--spacing-8)}.footer-brand{max-width:300px}.footer-logo{display:inline-flex;align-items:center;gap:var(--spacing-2);color:var(--color-white);text-decoration:none;font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-3)}.footer-logo:hover{color:var(--color-primary-light)}.footer-tagline{font-size:var(--font-size-sm);color:var(--color-gray-400);margin:0}.footer-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--spacing-8)}.footer-nav-section h3{color:var(--color-white);font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-4)}.footer-nav-section ul{list-style:none}.footer-nav-section li{margin-bottom:var(--spacing-2)}.footer-nav-section a{color:var(--color-gray-400);text-decoration:none;font-size:var(--font-size-sm)}.footer-nav-section a:hover{color:var(--color-white)}.footer-disclaimer{padding:var(--spacing-4);background-color:var(--color-gray-800);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-6)}.footer-disclaimer p{font-size:var(--font-size-sm);margin:0}.footer-bottom{padding-top:var(--spacing-6);border-top:1px solid var(--color-gray-800);display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--spacing-4);font-size:var(--font-size-sm)}.copyright{margin:0}.footer-meta{margin:0;color:var(--color-gray-500)}.footer-meta a{color:var(--color-gray-400)}@media(min-width:768px){.footer-main{grid-template-columns:1fr 2fr}}.breadcrumbs{padding:var(--spacing-4) var(--spacing-6);background-color:var(--color-gray-50);font-size:var(--font-size-sm)}.breadcrumb-list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-2);max-width:var(--max-width-content);margin:0 auto}.breadcrumb-item{display:flex;align-items:center;gap:var(--spacing-2)}.breadcrumb-item a{color:var(--color-gray-600);text-decoration:none}.breadcrumb-item a:hover{color:var(--color-primary);text-decoration:underline}.breadcrumb-item [aria-current=page]{color:var(--color-gray-900);font-weight:var(--font-weight-medium)}.breadcrumb-separator{color:var(--color-gray-400)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-3) var(--spacing-6);font-family:inherit;font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:1;text-decoration:none;border:2px solid transparent;border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);min-height:44px}.btn:focus-visible{outline:none;box-shadow:var(--focus-ring-offset),var(--focus-ring)}.btn:disabled,.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:var(--color-white)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-white);color:var(--color-gray-700);border-color:var(--color-gray-300)}.btn-secondary:hover:not(:disabled){background-color:var(--color-gray-50);border-color:var(--color-gray-400)}.btn-large{padding:var(--spacing-4) var(--spacing-8);font-size:var(--font-size-lg)}.alert{padding:var(--spacing-4);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-6);border-left:4px solid}.alert p{margin:0}.alert-title{font-weight:var(--font-weight-semibold)}.alert-warning{background-color:var(--color-warning-bg);border-color:var(--color-warning);color:var(--color-warning)}.alert-info{background-color:var(--color-info-bg);border-color:var(--color-info);color:var(--color-info)}.alert-error{background-color:var(--color-error-bg);border-color:var(--color-error);color:var(--color-error)}.alert-success{background-color:var(--color-success-bg);border-color:var(--color-success);color:var(--color-success)}.checkbox-label{display:flex;align-items:flex-start;gap:var(--spacing-3);cursor:pointer;font-size:var(--font-size-base)}.checkbox-label input[type=checkbox]{width:20px;height:20px;margin-top:2px;cursor:pointer;accent-color:var(--color-primary)}.checkbox-label input[type=checkbox]:focus-visible{outline:none;box-shadow:var(--focus-ring)}.container{max-width:var(--max-width-content);margin:0 auto;padding:0 var(--spacing-6)}.container-narrow{max-width:var(--max-width-narrow);margin:0 auto;padding:0 var(--spacing-6)}.prose{max-width:var(--max-width-prose)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.mt-4{margin-top:var(--spacing-4)}.mt-6{margin-top:var(--spacing-6)}.mt-8{margin-top:var(--spacing-8)}.mb-4{margin-bottom:var(--spacing-4)}.mb-6{margin-bottom:var(--spacing-6)}.mb-8{margin-bottom:var(--spacing-8)}