:root{--primary-color: #3498db;--primary-dark: #2980b9;--secondary-color: #27ae60;--accent-color: #e74c3c;--background-light: #f8f9fa;--background-dark: #2c3e50;--text-primary: #2c3e50;--text-secondary: #7f8c8d;--border-color: #bdc3c7;--success-color: #27ae60;--warning-color: #f39c12;--error-color: #e74c3c;--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-secondary: "Georgia", serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-primary);line-height:1.6;color:var(--text-primary);background-color:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);line-height:1.7}a{color:var(--primary-color);text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary-dark)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.section{padding:var(--spacing-xxl) 0}.grid{display:grid;gap:var(--spacing-lg)}.flex{display:flex;align-items:center}.flex-column{display:flex;flex-direction:column}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border:2px solid transparent;border-radius:var(--radius-md);font-weight:500;text-decoration:none;cursor:pointer;transition:all .2s ease;white-space:nowrap;min-height:44px}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);color:#fff}.btn-secondary{background-color:transparent;color:var(--primary-color);border-color:var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:#fff}.btn-success{background-color:var(--success-color);color:#fff}.btn-warning{background-color:var(--warning-color);color:#fff}.btn-danger{background-color:var(--error-color);color:#fff}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem}.btn-small{padding:var(--spacing-xs) var(--spacing-md);font-size:.875rem}.btn-icon{margin-right:var(--spacing-xs)}.navbar{background-color:#fff;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.nav-container{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);max-width:1200px;margin:0 auto}.nav-brand{display:flex;align-items:center;gap:var(--spacing-md)}.brand-logo{height:40px;width:auto}.brand-text{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.nav-menu{display:flex;align-items:center;gap:var(--spacing-lg)}.nav-link{color:var(--text-secondary);font-weight:500;transition:color .2s ease}.nav-link:hover,.nav-link.active{color:var(--primary-color)}.nav-cta{background-color:var(--primary-color);color:#fff;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);font-weight:600;transition:background-color .2s ease}.nav-cta:hover{background-color:var(--primary-dark);color:#fff}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:var(--spacing-xxl) 0;min-height:80vh;display:flex;align-items:center}.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xxl);align-items:center;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.hero-badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);background-color:#ffffff1a;padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-lg);font-size:.875rem;margin-bottom:var(--spacing-lg)}.hero-title{font-size:3.5rem;font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}.title-highlight{color:gold}.hero-description{font-size:1.25rem;line-height:1.6;margin-bottom:var(--spacing-xl);opacity:.9}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;color:var(--text-primary)}.form-input,.form-textarea,.form-select{width:100%;padding:var(--spacing-md);border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:border-color .2s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--primary-color)}.form-textarea{resize:vertical;min-height:120px}.card{background-color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-xl);transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff;display:flex;align-items:center;justify-content:center;z-index:9999}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar{width:100%;height:8px;background-color:var(--border-color);border-radius:var(--radius-sm);overflow:hidden}.progress-fill{height:100%;background-color:var(--primary-color);transition:width .3s ease}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background-color:#fff;border-radius:var(--radius-lg);max-width:500px;width:90%;max-height:90vh;overflow:hidden}.modal-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:var(--spacing-lg)}.modal-footer{padding:var(--spacing-lg);border-top:1px solid var(--border-color);display:flex;gap:var(--spacing-md);justify-content:flex-end}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary)}@media (max-width: 768px){.hero-container{grid-template-columns:1fr;text-align:center}.hero-title{font-size:2.5rem}.nav-menu{display:none}.container{padding:0 var(--spacing-sm)}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.btn:focus,.form-input:focus,.form-textarea:focus,.form-select:focus{outline:2px solid var(--primary-color);outline-offset:2px}@media (prefers-contrast: high){:root{--border-color: #000000;--text-secondary: #000000}}@media (prefers-color-scheme: dark){body.dark-mode{background-color:var(--background-dark);color:#fff}body.dark-mode .card{background-color:#34495e;color:#fff}body.dark-mode .navbar{background-color:var(--background-dark);color:#fff}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-0{margin-top:0}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.hidden{display:none}.visible{display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}