:root{--sber-green:#21a038;--sber-green-light:#2bc845;--sber-dark:#1e1e1e;--sber-light:#f4f6f8;--text-main:#333;--text-muted:#6b7280}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--sber-light);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;overflow-x:hidden}.app-container{flex-direction:column;min-height:100vh;display:flex}.header{z-index:100;-webkit-backdrop-filter:blur(12px);background:#ffffffd9;border-bottom:1px solid #0000000d;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.logo{color:var(--sber-green);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;display:flex}.logo-icon{background:linear-gradient(135deg, var(--sber-green-light), var(--sber-green));border-radius:50%;width:32px;height:32px;display:inline-block;box-shadow:0 4px 10px #21a0384d}.nav-links{gap:2rem;display:flex}.nav-links a{color:var(--text-main);font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--sber-green)}.btn-primary{background:linear-gradient(to right, var(--sber-green), var(--sber-green-light));color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.6rem 1.5rem;font-weight:600;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 12px #21a03840}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #21a03859}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:80vh;padding:6rem 2rem;display:flex;position:relative;overflow:hidden}.hero:before{content:"";z-index:-1;background:radial-gradient(circle,#2bc84526 0%,#fff0 70%);border-radius:50%;width:50vw;height:50vw;position:absolute;top:-20%;left:-10%}.hero:after{content:"";z-index:-1;background:radial-gradient(circle,#21a0381a 0%,#fff0 70%);border-radius:50%;width:40vw;height:40vw;position:absolute;bottom:-10%;right:-5%}.hero h1{background:linear-gradient(135deg, var(--sber-dark), var(--sber-green));-webkit-text-fill-color:transparent;-webkit-background-clip:text;max-width:800px;margin-bottom:1.5rem;font-size:4rem;font-weight:800;line-height:1.1}.hero p{color:var(--text-muted);max-width:600px;margin-bottom:2.5rem;font-size:1.25rem}.hero-buttons{gap:1rem;display:flex}.btn-secondary{color:var(--sber-green);border:2px solid var(--sber-green);cursor:pointer;background:#fff;border-radius:8px;padding:.6rem 1.5rem;font-weight:600;transition:all .2s}.btn-secondary:hover{background:#21a0380d}.features{background:#fff;padding:5rem 2rem}.features-header{text-align:center;margin-bottom:4rem}.features-header h2{color:var(--sber-dark);margin-bottom:1rem;font-size:2.5rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1200px;margin:0 auto;display:grid}.feature-card{background:var(--sber-light);border:1px solid #00000008;border-radius:16px;padding:2rem;transition:transform .3s,box-shadow .3s}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000014}.feature-icon{width:48px;height:48px;color:var(--sber-green);background:#21a0381a;border-radius:12px;justify-content:center;align-items:center;margin-bottom:1.5rem;font-size:1.5rem;display:flex}.feature-card h3{color:var(--text-main);margin-bottom:.75rem;font-size:1.25rem}.feature-card p{color:var(--text-muted)}.footer{background:var(--sber-dark);color:#fff;text-align:center;margin-top:auto;padding:3rem 2rem}.footer-content{flex-direction:column;align-items:center;gap:1rem;max-width:1200px;margin:0 auto;display:flex}.footer p{opacity:.7;font-size:.9rem}@media (width<=768px){.hero h1{font-size:2.5rem}.nav-links{display:none}}