:root{--bg: #ffffff;--text: #111111;--muted: #6b7280;--accent: #64adc4;--accent-dark: #367096;--gradient-start: #4887B7;--gradient-end: #dbffd3;--border: #e5e7eb}*{box-sizing:border-box}html,body,#root{height:100%}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--text);background:var(--bg)}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.header{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-weight:700}.nav{display:flex;gap:16px}.nav a{color:var(--text);text-decoration:none}.nav-cta{color:#fff;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);padding:8px 12px;border-radius:12px}.hero{padding:96px 0 72px;text-align:center}.gradient-bg{background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-end) 100%);color:#fff}.hero-inner h1{margin:0 0 12px;font-size:2.5rem}.lead{max-width:760px;margin:0 auto 24px;font-size:1.125rem}.primary-btn{display:inline-block;padding:12px 18px;border-radius:14px;color:#fff;text-decoration:none;font-weight:600;background:linear-gradient(135deg,#667eea,#764ba2)}.section{padding:72px 0;background:var(--bg)}.section-title{text-align:center;margin:0 0 8px;font-size:2rem}.section-subtitle{text-align:center;margin:0 auto 32px;max-width:760px;color:var(--muted)}.features-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.feature-card{border:1px solid var(--border);border-radius:16px;padding:20px;background:#fff;box-shadow:0 5px 15px #0000000d}.feature-card h3{margin:0 0 8px;color:var(--accent-dark)}.feature-card p{margin:0;color:var(--text)}.video-wrap{text-align:center}.video-frame{border-radius:16px;overflow:hidden;border:1px solid var(--border);box-shadow:0 10px 30px #00000014}.cta{background:#f8fbff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.cta-inner{text-align:center}.cta-form{margin-top:16px;display:inline-flex;gap:8px}.cta-form input{padding:12px 14px;border:1px solid var(--border);border-radius:12px;min-width:260px}.cta-form button{border:none;cursor:pointer}.footer{padding:32px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:16px}.link{color:var(--accent-dark);text-decoration:none}@media (max-width: 960px){.features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 600px){.features-grid{grid-template-columns:1fr}.cta-form{flex-direction:column}.cta-form input{width:100%}}