:root{--bg-color:#ffffff;--bg-secondary:#f8f9fa;--text-primary:#1a1a1a;--text-secondary:#6c757d;--accent-color:#8B0000;--accent-light:#B22222;--border-color:#e9ecef;--card-shadow:0 2px 8px rgba(0,0,0,0.08);--card-shadow-hover:0 8px 24px rgba(0,0,0,0.12)}[data-theme="dark"]{--bg-color:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a25;--text-color:#f5f5f5;--text-muted:#a0a0a0;--text-light:#808080;--border-color:#2a2a35;--card-bg:#12121a;--card-shadow:0 4px 20px rgba(0,0,0,0.3);--card-shadow-hover:0 12px 40px rgba(0,0,0,0.4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-color);color:var(--text-color);line-height:1.6}.main-nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--bg-color);box-shadow:0 2px 20px rgba(0,0,0,0.08);transition:all 0.3s ease}.nav-container{max-width:1400px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}.nav-logo{display:flex;align-items:center;text-decoration:none}.nav-logo img{height:45px;width:auto;transition:transform 0.3s ease}.nav-logo:hover img{transform:scale(1.05)}.nav-menu{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:6px;padding:10px 16px;color:var(--text-color);text-decoration:none;font-size:0.95rem;font-weight:500;border-radius:8px;transition:all 0.3s ease}.nav-link i{font-size:1rem;color:var(--accent-color)}.nav-link:hover{color:var(--accent-color);background:rgba(139,0,0,0.08)}.nav-link.active{color:var(--accent-color);background:rgba(139,0,0,0.1);font-weight:600}.nav-cta{background:linear-gradient(135deg,var(--accent-color),var(--accent-light));color:#fff!important;padding:10px 20px!important;border-radius:8px;font-weight:600!important;box-shadow:0 4px 15px rgba(139,0,0,0.3)}.nav-cta:hover{background:linear-gradient(135deg,var(--accent-light),var(--accent-color));transform:translateY(-2px);box-shadow:0 6px 20px rgba(139,0,0,0.4)}.nav-cta i{color:#fff!important}.nav-actions{display:flex;align-items:center;gap:15px}.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;background:transparent;border:none;cursor:pointer;padding:8px;border-radius:8px;transition:background 0.3s ease}.nav-toggle:hover{background:var(--bg-secondary)}.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-color);margin:3px 0;border-radius:2px;transition:all 0.3s ease}.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}@media (max-width:1024px){.nav-menu{position:fixed;z-index:999;top:70px;left:0;right:0;bottom:0;flex-direction:column;align-items:flex-start;background:var(--card-bg,var(--bg-color));padding:20px;gap:5px;transform:translateX(100%);transition:transform 0.3s ease;overflow-y:auto}.nav-menu.active{transform:translateX(0)}.nav-toggle{display:flex}.nav-item{width:100%}.nav-link{padding:15px 20px;font-size:1rem;width:100%;justify-content:flex-start}.nav-cta{margin-top:15px;justify-content:flex-start!important;width:auto}}@media (max-width:768px){.nav-container{height:60px;padding:0 15px}.nav-logo img{height:38px}.nav-menu{top:60px}}.theme-toggle-container{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--bg-secondary);border-radius:50px;border:1px solid var(--border-color);transition:all 0.3s ease}.theme-toggle-container:hover{box-shadow:0 4px 15px rgba(0,0,0,0.1)}.theme-icon{font-size:18px;color:var(--text-muted);transition:color 0.3s ease}.theme-icon.active{color:var(--accent-color)}.theme-switch{position:relative;width:50px;height:26px}.theme-switch input{opacity:0;width:0;height:0}.theme-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--border-color);transition:0.3s;border-radius:26px}.theme-slider::before{position:absolute;content:"";height:20px;width:20px;left:3px;bottom:3px;background:var(--bg-color);transition:0.3s;border-radius:50%;box-shadow:0 2px 5px rgba(0,0,0,0.2)}.theme-switch input:checked + .theme-slider{background:linear-gradient(135deg,var(--accent-color),var(--accent-light))}.theme-switch input:checked + .theme-slider::before{transform:translateX(24px)}@media (max-width:1024px){.theme-toggle-container{padding:4px 8px;gap:6px}.theme-switch{width:44px;height:24px}.theme-slider::before{height:18px;width:18px}.theme-switch input:checked + .theme-slider::before{transform:translateX(20px)}}.hero{padding:150px 2rem 80px;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-color) 100%)}.hero-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.hero-badge{display:inline-block;padding:0.5rem 1rem;background:rgba(139,0,0,0.1);color:var(--accent-color);font-size:0.85rem;font-weight:600;border-radius:20px;margin-bottom:1.5rem}.hero h1{font-size:3rem;font-weight:700;line-height:1.2;margin-bottom:1.5rem;color:var(--text-color)}.hero-description{font-size:1.15rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.7}.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}.hero-cta .btn-primary{padding:0.875rem 2rem;font-size:1rem}.hero-cta .btn-outline{padding:0.875rem 2rem;border:2px solid var(--accent-color);color:var(--accent-color);background:transparent;text-decoration:none;font-size:1rem;font-weight:500;border-radius:6px;transition:all 0.2s}.hero-cta .btn-outline:hover{background:var(--accent-color);color:white}.hero-image{border-radius:16px;overflow:hidden;box-shadow:var(--card-shadow-hover)}.hero-image img{width:100%;height:auto;display:block}@media (max-width:1024px){.hero-container{grid-template-columns:1fr;text-align:center}.hero h1{font-size:2.25rem}.hero-cta{justify-content:center}.hero-image{order:-1;max-width:500px;margin:0 auto}}.stats-section{padding:80px 2rem;background:var(--bg-color);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.stats-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}.stat-item{text-align:center}.stat-number{font-size:3rem;font-weight:700;color:var(--accent-color);margin-bottom:0.5rem}.stat-label{font-size:0.95rem;color:var(--text-secondary)}@media (max-width:768px){.stats-container{grid-template-columns:repeat(2,1fr)}}.features-section{padding:100px 2rem;background:var(--bg-secondary)}.section-container{max-width:1200px;margin:0 auto}.section-header{text-align:center;margin-bottom:4rem}.section-header h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-color)}.section-header p{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.feature-card{background:var(--bg-color);border-radius:16px;padding:2rem;border:1px solid var(--border-color);transition:all 0.3s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}.feature-icon{width:56px;height:56px;background:rgba(139,0,0,0.1);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.feature-icon i{font-size:1.5rem;color:var(--accent-color)}.feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:0.75rem;color:var(--text-color)}.feature-card p{font-size:0.95rem;color:var(--text-secondary);line-height:1.6}@media (max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.features-grid{grid-template-columns:1fr}}.usecases-section{padding:100px 2rem;background:var(--bg-color)}.usecases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.usecase-card{display:flex;gap:1.5rem;padding:2rem;background:var(--bg-secondary);border-radius:16px;transition:all 0.3s}.usecase-card:hover{transform:translateX(8px)}.usecase-icon{width:48px;height:48px;background:var(--accent-color);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.usecase-icon i{font-size:1.25rem;color:white}.usecase-content h3{font-size:1.15rem;font-weight:600;margin-bottom:0.5rem;color:var(--text-color)}.usecase-content p{font-size:0.9rem;color:var(--text-secondary);line-height:1.6}@media (max-width:768px){.usecases-grid{grid-template-columns:1fr}}.demo-section{padding:100px 2rem;background:var(--bg-secondary)}.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.demo-card{background:var(--bg-color);border-radius:16px;overflow:hidden;border:1px solid var(--border-color);transition:all 0.3s;text-decoration:none}.demo-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}.demo-card-image{height:160px;background:linear-gradient(135deg,var(--accent-color),var(--accent-light));display:flex;align-items:center;justify-content:center}.demo-card-image i{font-size:3rem;color:white}.demo-card-content{padding:1.5rem}.demo-card-content h3{font-size:1.15rem;font-weight:600;margin-bottom:0.5rem;color:var(--text-color)}.demo-card-content p{font-size:0.9rem;color:var(--text-secondary);margin-bottom:1rem}.demo-card-link{display:inline-flex;align-items:center;gap:0.5rem;color:var(--accent-color);font-weight:500;font-size:0.9rem}@media (max-width:1024px){.demo-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.demo-grid{grid-template-columns:1fr}}.cta-section{padding:100px 2rem;background:var(--accent-color);text-align:center}.cta-section h2{font-size:2.5rem;font-weight:700;color:white;margin-bottom:1rem}.cta-section p{font-size:1.15rem;color:rgba(255,255,255,0.8);margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}.cta-section .btn-white{display:inline-block;padding:1rem 2.5rem;background:white;color:var(--accent-color);text-decoration:none;font-size:1rem;font-weight:600;border-radius:6px;transition:all 0.2s}.cta-section .btn-white:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.2)}.footer{padding:60px 2rem 30px;background:var(--text-color);color:white}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem}.footer-brand h3{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:var(--accent-light)}.footer-brand p{color:rgba(255,255,255,0.7);font-size:0.9rem;line-height:1.6}.footer-links h4{font-size:1rem;font-weight:600;margin-bottom:1.25rem}.footer-links a{display:block;color:rgba(255,255,255,0.7);text-decoration:none;font-size:0.9rem;margin-bottom:0.75rem;transition:color 0.2s}.footer-links a:hover{color:white}.footer-bottom{max-width:1200px;margin:3rem auto 0;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1);text-align:center;color:rgba(255,255,255,0.5);font-size:0.85rem}@media (max-width:1024px){.footer-container{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.footer-container{grid-template-columns:1fr}}