:root{--bg-color:#ffffff;--bg-secondary:#f8f9fa;--bg-tertiary:#f1f3f5;--text-color:#1a1a2e;--text-muted:#6c757d;--text-light:#868e96;--border-color:#e9ecef;--accent-color:#8B0000;--accent-light:#B22222;--accent-hover:#a00000;--card-bg:#ffffff;--card-shadow:0 4px 20px rgba(0,0,0,0.08);--card-shadow-hover:0 12px 40px 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}html,body{width:100%;min-height:100%;font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-color);color:var(--text-color)}.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}}.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)}}@media (max-width:768px){.nav-container{height:60px;padding:0 15px}.nav-logo img{height:38px}.nav-menu{top:60px}}.hero{padding:150px 40px;background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-color) 100%)}.hero-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.hero-text{max-width:560px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(139,0,0,0.08);border:1px solid rgba(139,0,0,0.2);border-radius:20px;font-size:13px;font-weight:500;color:var(--accent-color);margin-bottom:24px}.hero h1{font-size:48px;font-weight:800;margin-bottom:20px;line-height:1.15;color:var(--text-color)}.hero h1 span{background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:18px;color:var(--text-muted);line-height:1.7;margin-bottom:32px}.hero-ctas{display:flex;gap:15px;flex-wrap:wrap}.cta-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:10px;font-size:15px;font-weight:600;text-decoration:none;transition:all 0.3s ease}.cta-btn.primary{background:var(--accent-color);color:#fff}.cta-btn.primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 30px rgba(139,0,0,0.3)}.cta-btn.secondary{background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-color)}.cta-btn.secondary:hover{border-color:var(--accent-color);color:var(--accent-color)}.hero-image{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--card-shadow-hover)}.hero-image img{width:100%;height:auto;display:block}.stats-section{padding:60px 40px;background:var(--bg-color);border-bottom:1px solid var(--border-color)}.stats-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.stat-card{text-align:center;padding:30px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px}.stat-value{font-size:42px;font-weight:800;color:var(--accent-color);margin-bottom:8px}.stat-label{font-size:14px;color:var(--text-muted)}main{max-width:1400px;margin:0 auto;padding:60px 40px}.section-title{text-align:center;margin-bottom:50px}.section-title h2{font-size:36px;font-weight:700;margin-bottom:15px;color:var(--text-color)}.section-title p{font-size:18px;color:var(--text-muted);max-width:600px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-bottom:80px}.feature-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:30px;transition:all 0.3s ease;box-shadow:var(--card-shadow)}.feature-card:hover{transform:translateY(-5px);border-color:rgba(139,0,0,0.3);box-shadow:var(--card-shadow-hover)}.feature-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-light) 100%);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.feature-icon i{font-size:28px;color:#fff}.feature-card h3{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--text-color)}.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7}.use-cases{margin-bottom:80px}.use-cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.use-case-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:30px;display:flex;gap:20px;box-shadow:var(--card-shadow);transition:all 0.3s ease}.use-case-card:hover{border-color:rgba(139,0,0,0.3);box-shadow:var(--card-shadow-hover)}.use-case-icon{width:50px;height:50px;background:var(--bg-secondary);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.use-case-icon i{font-size:24px;color:var(--accent-color)}.use-case-content h4{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text-color)}.use-case-content p{font-size:14px;color:var(--text-muted);line-height:1.6}.demo-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;padding:50px;margin-bottom:80px}.demo-section h2{font-size:28px;font-weight:700;margin-bottom:15px;text-align:center;color:var(--text-color)}.demo-section>p{font-size:16px;color:var(--text-muted);text-align:center;margin-bottom:40px}.demo-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.demo-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:25px;text-decoration:none;color:inherit;transition:all 0.3s ease;box-shadow:var(--card-shadow)}.demo-card:hover{border-color:rgba(139,0,0,0.3);transform:translateY(-3px);box-shadow:var(--card-shadow-hover)}.demo-card-icon{width:50px;height:50px;background:var(--bg-secondary);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:15px}.demo-card-icon i{font-size:24px;color:var(--accent-color)}.demo-card h4{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-color)}.demo-card p{font-size:13px;color:var(--text-muted);margin-bottom:15px}.demo-card .try-btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent-color);font-weight:600}.cta-section{text-align:center;padding:60px;background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-light) 100%);border-radius:20px;margin-bottom:60px}.cta-section h2{font-size:32px;font-weight:700;margin-bottom:15px;color:#fff}.cta-section p{font-size:18px;color:rgba(255,255,255,0.9);margin-bottom:30px}.cta-section .cta-btn{background:#fff;color:var(--accent-color)}.cta-section .cta-btn:hover{background:rgba(255,255,255,0.9);transform:translateY(-2px)}footer{padding:40px;text-align:center;border-top:1px solid var(--border-color);background:var(--bg-secondary)}footer p{font-size:14px;color:var(--text-muted)}footer a{color:var(--accent-color);text-decoration:none}footer a:hover{text-decoration:underline}@media (max-width:1024px){.nav-menu{display:none}.mobile-toggle{display:block}.header{padding:0 20px}.hero{padding:150px 20px}.hero-content{grid-template-columns:1fr;gap:40px}.hero h1{font-size:36px}.hero-image{order:-1}.stats-grid{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.demo-cards{grid-template-columns:1fr}main{padding:40px 20px}.mega-menu{grid-template-columns:1fr}}@media (max-width:768px){.stats-grid{grid-template-columns:1fr 1fr;gap:15px}.stat-value{font-size:28px}.features-grid,.use-cases-grid{grid-template-columns:1fr}.demo-section{padding:30px 20px}.cta-section{padding:40px 20px}.header-right .header-btn.secondary{display:none}}