.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-weight:var(--font-weight-medium);border-radius:var(--radius-md);transition:all var(--transition-base);cursor:pointer;text-align:center;white-space:nowrap;-webkit-user-select:none;user-select:none;position:relative;overflow:hidden}.btn:disabled{opacity:.6;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{background-color:var(--color-primary);color:var(--color-bg-primary);border:2px solid var(--color-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);border-color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-secondary:hover:not(:disabled){background-color:var(--color-primary);color:var(--color-bg-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary:active:not(:disabled){transform:translateY(0)}.btn-sm{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);min-height:36px}.btn-md{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-base);min-height:44px}.btn-lg{padding:var(--spacing-lg) var(--spacing-xl);font-size:var(--font-size-lg);min-height:52px}.btn-spinner{width:16px;height:16px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.header{position:sticky;top:0;z-index:1000;background-color:var(--color-bg-primary);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.header-container{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);gap:var(--spacing-lg)}.logo{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);display:flex;align-items:center;gap:var(--spacing-xs)}.logo-accent{color:var(--color-primary)}.nav{display:flex;align-items:center;gap:var(--spacing-2xl)}.nav-list{display:flex;align-items:center;gap:var(--spacing-lg)}.nav-link{color:var(--color-text-primary);font-weight:var(--font-weight-medium);padding:var(--spacing-sm) var(--spacing-xs);transition:color var(--transition-fast)}.nav-link:hover,.nav-link-active{color:var(--color-primary)}.nav-cta{display:flex;align-items:center}.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-bg-secondary);color:var(--color-text-primary)}@media(max-width:1024px){.nav{gap:var(--spacing-lg)}}@media(max-width:768px){.menu-toggle{display:inline-flex}.nav{position:absolute;top:var(--header-height);left:0;right:0;background-color:var(--color-bg-primary);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);flex-direction:column;align-items:flex-start;padding:var(--spacing-xl);gap:var(--spacing-lg);transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform var(--transition-base),opacity var(--transition-base)}.nav-open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-list{flex-direction:column;align-items:flex-start;width:100%;gap:var(--spacing-md)}.nav-cta{width:100%}}.footer{background-color:var(--color-bg-dark);color:var(--color-bg-primary);margin-top:var(--spacing-4xl)}.footer-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--spacing-2xl);padding:var(--spacing-4xl) 0}.footer-brand .logo{font-size:var(--font-size-xl);color:var(--color-bg-primary);margin-bottom:var(--spacing-md);display:inline-flex;align-items:center}.footer-description{color:var(--color-text-light);line-height:var(--line-height-relaxed)}.footer-title{font-size:var(--font-size-lg);margin-bottom:var(--spacing-lg);color:var(--color-bg-primary)}.footer-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.footer-item{display:flex;align-items:center;gap:var(--spacing-md);color:var(--color-text-light)}.footer-item a{color:var(--color-bg-primary)}.footer-text{color:var(--color-text-light);margin-bottom:var(--spacing-sm)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:var(--spacing-lg) 0}.footer-bottom-container{display:flex;flex-wrap:wrap;gap:var(--spacing-lg);justify-content:space-between;color:var(--color-text-light);font-size:var(--font-size-sm)}@media(max-width:768px){.footer-container{padding:var(--spacing-3xl) 0}}.layout{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding-top:var(--spacing-2xl)}:root{--color-primary: #2563eb;--color-primary-dark: #1e40af;--color-primary-light: #3b82f6;--color-secondary: #7c3aed;--color-accent: #f59e0b;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-text-light: #9ca3af;--color-bg-primary: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-dark: #111827;--color-bg-overlay: rgba(0, 0, 0, .5);--color-border: #e5e7eb;--color-border-light: #f3f4f6;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--container-max-width: 1200px;--container-padding: 1.5rem;--header-height: 80px;--footer-height: auto;--font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-family-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--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;--font-size-6xl: 3.75rem;--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;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-base: .3s ease-in-out;--transition-slow: .5s ease-in-out;--breakpoint-mobile: 768px;--breakpoint-tablet: 1024px;--breakpoint-desktop: 1280px}@media(max-width:768px){:root{--container-padding: 1rem;--spacing-4xl: 4rem;--spacing-3xl: 3rem}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family-primary);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-heading);font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text-primary);margin-bottom:var(--spacing-md)}h1{font-size:var(--font-size-5xl);margin-bottom:var(--spacing-lg)}h2{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-lg)}h3{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-md)}h4{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-md)}h5{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm)}h6{font-size:var(--font-size-lg);margin-bottom:var(--spacing-sm)}p{margin-bottom:var(--spacing-md);line-height:var(--line-height-relaxed)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}.container{width:100%;max-width:var(--container-max-width);margin:0 auto;padding:0 var(--container-padding)}.section{padding:var(--spacing-4xl) 0}.section-title{text-align:center;margin-bottom:var(--spacing-3xl)}.section-subtitle{text-align:center;color:var(--color-text-secondary);font-size:var(--font-size-lg);margin-bottom:var(--spacing-2xl);max-width:700px;margin-left:auto;margin-right:auto}.grid{display:grid;gap:var(--spacing-xl)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}@media(max-width:768px){h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}.section{padding:var(--spacing-3xl) 0}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.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}*:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-light)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--transition-base)}.animate-fade-in-up{animation:fadeInUp var(--transition-base)}.animate-fade-in-down{animation:fadeInDown var(--transition-base)}.animate-fade-in-left{animation:fadeInLeft var(--transition-base)}.animate-fade-in-right{animation:fadeInRight var(--transition-base)}.animate-scale-in{animation:scaleIn var(--transition-base)}.spinner{animation:spin 1s linear infinite}