:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-secondary: #64748b;--color-accent: #f97316;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-text: #1e293b;--color-text-light: #64748b;--color-text-lighter: #94a3b8;--color-bg: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--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);--radius: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size: 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;--line-height: 1.6;--line-height-tight: 1.25;--line-height-relaxed: 1.75}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-size:var(--font-size);line-height:var(--line-height);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;user-select:none}body.no-scroll{overflow:hidden}.site-wrapper{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1}.header{background:#fffffff2;backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border-light);position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing);display:flex;align-items:center;justify-content:space-between;height:4rem}.logo{text-decoration:none;font-weight:700;font-size:var(--font-size-xl);color:#64748b;transition:color .2s ease}.logo:hover{color:var(--color-primary)}.nav-links{display:flex;align-items:center;gap:var(--spacing-lg)}.nav-link{text-decoration:none;color:var(--color-text-light);font-weight:500;transition:color .2s ease;position:relative}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.subscribe-btn{background:var(--color-primary);color:#fff;padding:var(--spacing-xs) var(--spacing);border-radius:var(--radius);text-decoration:none;font-weight:500;transition:all .2s ease;box-shadow:var(--shadow-sm)}.subscribe-btn:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow);color:#fff}.mobile-actions{display:none;align-items:center;gap:var(--spacing)}.hamburger-menu{background:none;border:none;cursor:pointer;padding:0;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;position:relative;z-index:102}.hamburger-box{width:20px;height:16px;position:relative;display:inline-block}.hamburger-inner{display:block;width:100%;height:2px;background-color:var(--color-text);position:absolute;left:0;top:50%;transform:translateY(-50%);transition:all .2s ease-in-out}.hamburger-inner:before,.hamburger-inner:after{content:"";display:block;width:100%;height:2px;background-color:var(--color-text);position:absolute;left:0;transition:all .2s ease-in-out}.hamburger-inner:before{top:-7px}.hamburger-inner:after{bottom:-7px}.hamburger-menu.is-active .hamburger-inner{background-color:transparent}.hamburger-menu.is-active .hamburger-inner:before{transform:translateY(7px) rotate(45deg)}.hamburger-menu.is-active .hamburger-inner:after{transform:translateY(-7px) rotate(-45deg)}.mobile-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:transparent;backdrop-filter:blur(0px);z-index:101;display:none;transition:all .3s ease}.mobile-modal-overlay.open{display:block;background:#74747499;backdrop-filter:blur(2px)}.mobile-modal-card{position:absolute;right:var(--spacing);top:calc(10px + 4rem);background-color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--spacing-sm);width:calc(100% - 2 * var(--spacing));outline:none;transform-origin:top right;transform:scale(.95);opacity:0;transition:transform .2s ease,opacity .2s ease}.mobile-modal-overlay.open .mobile-modal-card{transform:scale(1);opacity:1}.mobile-modal-content{display:flex;flex-direction:column}.menu-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);color:var(--color-text-light);text-decoration:none;transition:background-color .2s ease,color .2s ease}.menu-item span{color:var(--color-text)}.menu-item:hover{background-color:var(--color-bg-tertiary)}.menu-item svg{color:var(--color-text-lighter)}.menu-button-secondary{display:flex;width:100%;justify-content:center;border:1px solid var(--color-border);background-color:var(--color-bg);color:var(--color-text);font-weight:500;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius);transition:all .2s ease}.menu-button-primary{display:flex;width:100%;justify-content:center;background-color:var(--color-primary);color:#fff;font-weight:500;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius);transition:all .2s ease}.menu-button-primary:hover{background-color:var(--color-primary-dark)}.footer{background:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding:var(--spacing-xl) 0}.footer-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing)}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing)}.footer-content p{color:var(--color-text-light);font-size:var(--font-size-sm)}.social-links{display:flex;gap:var(--spacing)}.social-links a{color:var(--color-text-lighter);transition:color .2s ease;display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--color-bg);border:1px solid var(--color-border)}.social-links a:hover{color:var(--color-primary);border-color:var(--color-primary)}@media (max-width: 768px){.nav-container{padding:0 var(--spacing)}.desktop-nav{display:none}.mobile-actions{display:flex}.footer-content{flex-direction:column;text-align:center;gap:var(--spacing)}}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing)}.section{padding:var(--spacing-3xl) 0}.section-sm{padding:var(--spacing-2xl) 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius);text-decoration:none;font-weight:500;transition:all .2s ease;border:none;cursor:pointer;font-size:var(--font-size);line-height:1.5}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow);color:#fff}.btn-secondary{background:var(--color-bg-secondary);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-tertiary);border-color:var(--color-text-light)}.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff}h1,h2,h3,h4,h5,h6{line-height:var(--line-height-tight);font-weight:700;color:var(--color-text)}h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-lg)}h2{font-size:var(--font-size-3xl);margin-bottom:var(--spacing)}h3{font-size:var(--font-size-2xl);margin-bottom:var(--spacing)}p{margin-bottom:var(--spacing);color:var(--color-text-light)}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-dark)}code{background:var(--color-bg-tertiary);padding:.125rem .25rem;border-radius:.25rem;font-size:.875em}pre{background:#1e293b;color:#e2e8f0;padding:var(--spacing);border-radius:var(--radius);overflow-x:auto;margin:var(--spacing) 0}pre code{background:transparent;padding:0;color:inherit}img{max-width:100%;height:auto;border-radius:var(--radius)}