:root{--primary-color: #007BFF;--primary-hover-color: #0056b3;--bg-color: #FFFFFF;--card-bg: #FFFFFF;--section-bg-alt: #F8F9FA;--border-color: #E9ECEF;--text-primary: #212529;--text-secondary: #6C757D;--font-family: "Inter", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);color:var(--text-primary);line-height:1.6;background-color:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 2rem}main{padding-top:80px}.app-header{background-color:#ffffffe6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);position:fixed;top:0;left:0;width:100%;z-index:1000;padding:1rem 0}.header-nav{display:flex;justify-content:space-between;align-items:center}.logo{font-weight:700;font-size:1.75rem;color:var(--text-primary);text-decoration:none}.nav-links{list-style:none;display:flex;gap:2.5rem}.nav-links a{text-decoration:none;color:var(--text-secondary);font-weight:500;transition:color .3s ease}.nav-links a:hover{color:var(--primary-color)}.btn{padding:.75rem 1.5rem;border-radius:8px;text-decoration:none;font-weight:600;cursor:pointer;border:none;transition:all .3s ease;display:inline-block;font-size:1rem}.btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:0 4px 15px -5px #007bff80}.btn-primary:hover{background-color:var(--primary-hover-color);transform:translateY(-2px);box-shadow:0 6px 20px -5px #007bff99}.hero-section{padding:6rem 0;text-align:center}.hero-content h1{font-size:3.8rem;font-weight:800;margin-bottom:1.5rem;line-height:1.2;letter-spacing:-2px;color:var(--text-primary)}.hero-content p{font-size:1.25rem;max-width:700px;margin:0 auto 2.5rem;color:var(--text-secondary)}.section-title{text-align:center;font-size:2.75rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;letter-spacing:-1px}.section-subtitle{text-align:center;max-width:650px;margin:0 auto 4rem;font-size:1.15rem;color:var(--text-secondary)}.services-section{padding:5rem 0;background-color:var(--section-bg-alt);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}.features-grid{grid-template-columns:repeat(3,1fr)}.service-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:2.5rem 2rem;text-align:left;transition:transform .3s ease,box-shadow .3s ease}.service-card:hover{transform:translateY(-8px);box-shadow:0 15px 30px -10px #0000001a}.service-icon{margin-bottom:1.5rem;color:var(--primary-color);background-color:#007bff1a;width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center}.service-card h3{font-size:1.4rem;color:var(--text-primary);margin-bottom:.75rem}.service-card p{color:var(--text-secondary);line-height:1.6}.how-it-works-section{padding:6rem 0}.how-it-works-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;text-align:center}.step-card{padding:2rem}.step-number{width:50px;height:50px;border-radius:50%;background-color:var(--primary-color);color:#fff;font-size:1.5rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.step-card h3{font-size:1.4rem;margin-bottom:.5rem}.step-card p{color:var(--text-secondary);max-width:300px;margin:0 auto}.contact-section{padding:6rem 0;background-color:var(--section-bg-alt);border-top:1px solid var(--border-color)}.contact-wrapper{max-width:600px;margin:0 auto;padding:3rem;background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;text-align:center;box-shadow:0 10px 25px -15px #0000001a}.contact-wrapper h3{font-size:1.8rem;margin-bottom:1rem}.contact-wrapper p{color:var(--text-secondary);margin-bottom:2rem}.contact-wrapper a.btn-primary{font-weight:600;font-size:1.1rem}.app-footer{background-color:var(--text-primary);color:#ffffffb3;padding:5rem 0 2.5rem;font-size:.95rem}.app-footer .logo{color:#fff;font-size:1.8rem;margin-bottom:1rem;display:inline-block}.footer-content{display:grid;grid-template-columns:2fr repeat(2,1fr);gap:3rem;margin-bottom:4rem}.footer-brand p{line-height:1.7;max-width:320px}.footer-links-group h3{color:#fff;margin-bottom:1.5rem;font-size:1.1rem;font-weight:600}.footer-links-group ul{list-style:none}.footer-links-group a{color:#ffffffb3;text-decoration:none;transition:color .3s ease,padding-left .3s ease;display:block;margin-bottom:.85rem}.footer-links-group a:hover{color:#fff;padding-left:5px}.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;border-top:1px solid rgba(255,255,255,.2);padding-top:2.5rem;font-size:.9rem}.social-links{display:flex;gap:1.5rem}.social-links a{color:#ffffffb3;transition:color .3s ease,transform .3s ease}.social-links a:hover{color:#fff;transform:translateY(-2px)}@media (max-width: 900px){.nav-links{display:none}.features-grid{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}}@media (max-width: 768px){.hero-content h1{font-size:2.8rem}.section-title{font-size:2.2rem}.footer-bottom{flex-direction:column-reverse;text-align:center}.services-grid{grid-template-columns:1fr}}@media (max-width: 600px){.hero-content h1{font-size:2.5rem}.footer-content{grid-template-columns:1fr;text-align:center}.footer-brand p{margin:0 auto}}