*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;background-color:#f5f5f5}:root{--primary-color: #0f62fe;--primary-hover: #0353e9;--primary-dark: #002d9c;--white: #ffffff;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-600: #4b5563;--gray-800: #1f2937;--gray-900: #111827;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--container-max-width: 1200px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--gray-900)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:var(--spacing-sm)}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;margin-top:70px}.section-container{max-width:var(--container-max-width);margin:0 auto;padding:var(--spacing-xl) var(--spacing-md)}.section-title{text-align:center;margin-bottom:var(--spacing-md);color:var(--gray-900)}.section-description{text-align:center;max-width:700px;margin:0 auto var(--spacing-xl);color:var(--gray-600);font-size:1.125rem}.navbar{position:fixed;top:0;left:0;right:0;background-color:var(--white);box-shadow:var(--shadow-md);z-index:1000;height:70px}.navbar-container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--spacing-md);height:100%;display:flex;align-items:center;justify-content:space-between}.navbar-brand{flex-shrink:0}.brand-link{text-decoration:none;color:var(--gray-900)}.brand-name{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.navbar-links{display:flex;list-style:none;gap:var(--spacing-lg);margin:0}.nav-link{text-decoration:none;color:var(--gray-600);font-weight:500;transition:color .2s ease;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm)}.nav-link:hover{color:var(--primary-color);background-color:var(--gray-50)}.navbar-auth{display:flex;gap:var(--spacing-sm);flex-shrink:0}.btn{padding:.625rem 1.25rem;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary{background-color:var(--primary-color);color:var(--white)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:var(--white);transform:translateY(-1px)}.btn-large{padding:.875rem 2rem;font-size:1.125rem}.hero-section{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:var(--white);padding:var(--spacing-2xl) var(--spacing-md);text-align:center;min-height:500px;display:flex;align-items:center;justify-content:center}.hero-content{max-width:800px;margin:0 auto}.hero-title{font-size:3rem;margin-bottom:var(--spacing-md);color:var(--white)}.hero-tagline{font-size:1.5rem;margin-bottom:var(--spacing-xl);opacity:.95}.hero-actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.about-section{background-color:var(--white);padding:var(--spacing-2xl) 0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-xl)}.feature-card{background-color:var(--gray-50);padding:var(--spacing-lg);border-radius:var(--radius-lg);text-align:center;transition:transform .2s ease,box-shadow .2s ease}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:3rem;margin-bottom:var(--spacing-md)}.feature-title{margin-bottom:var(--spacing-sm);color:var(--gray-900)}.feature-description{color:var(--gray-600);line-height:1.6}.how-it-works-section{background-color:var(--gray-50);padding:var(--spacing-2xl) 0}.steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-xl);margin-top:var(--spacing-xl)}.step-card{background-color:var(--white);padding:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);position:relative}.step-number{width:60px;height:60px;background-color:var(--primary-color);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-md)}.step-title{margin-bottom:var(--spacing-sm);color:var(--gray-900)}.step-description{color:var(--gray-600);line-height:1.6}.cta-container{text-align:center;margin-top:var(--spacing-2xl)}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}.hero-title{font-size:2rem}.hero-tagline{font-size:1.25rem}.navbar-container{flex-wrap:wrap;height:auto;padding:var(--spacing-sm)}.navbar-links{order:3;width:100%;flex-direction:column;gap:var(--spacing-xs);margin-top:var(--spacing-sm);padding-top:var(--spacing-sm);border-top:1px solid var(--gray-200)}.navbar-auth{margin-left:auto}.main-content{margin-top:140px}.features-grid,.steps-container{grid-template-columns:1fr}.hero-section{min-height:400px;padding:var(--spacing-xl) var(--spacing-md)}.hero-actions{flex-direction:column}.btn-large{width:100%}}@media (max-width: 480px){html{font-size:14px}.section-container{padding:var(--spacing-lg) var(--spacing-sm)}.navbar-auth{gap:var(--spacing-xs)}.btn{padding:.5rem 1rem;font-size:.875rem}}@media (min-width: 1200px){.features-grid,.steps-container{grid-template-columns:repeat(3,1fr)}}