.landing-page,.contact-page,.user-guide-page{min-height:100vh;width:100%}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:120px 20px;text-align:center;min-height:45vh;display:flex;align-items:center;justify-content:center;position:relative}.nav-bar{position:absolute;top:20px;left:50%;transform:translate(-50%);display:flex;gap:15px}.nav-link{color:#fff;text-decoration:none;padding:10px 24px;border-radius:25px;font-weight:600;font-size:1.1rem;background:#ffffff26;border:2px solid rgba(255,255,255,.3);transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-link:hover{background:#ffffff40;border-color:#ffffff80;transform:translateY(-2px)}.hero-content{max-width:800px;margin:0 auto}.hero-icon{width:120px;height:120px;margin-bottom:30px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.2));animation:fadeInUp .6s ease-out}.hero-title{font-size:4rem;margin-bottom:20px;font-weight:800;animation:fadeInUp .8s ease-out}.hero-subtitle{font-size:1.5rem;margin-bottom:40px;opacity:.95;animation:fadeInUp 1s ease-out}.section-title{text-align:center;font-size:2.5rem;margin-bottom:60px;color:#333;font-weight:700}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media(max-width:768px){.nav-bar{gap:10px;width:auto;padding:0 10px}.nav-link{font-size:.95rem;padding:8px 16px}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.hero-icon{width:90px;height:90px}.section-title{font-size:2rem}}@media(max-width:480px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.section-title{font-size:1.8rem}}.footer{background:#2d3748;color:#fff;text-align:center;padding:30px 20px}.footer p{margin:0;opacity:.8}