:root{--bg-color: #eef4fb;--bg-white: #ffffff;--bg-light: #f0f6ff;--bg-accent: #dbeafe;--text-main: #1e293b;--text-muted: #64748b;--text-dark: #0f172a;--primary-color: #2563eb;--primary-hover: #1d4ed8;--primary-light: #60a5fa;--accent-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--accent-gradient-soft: linear-gradient(135deg, #dbeafe 0%, #ede9fe 100%);--success-color: #10b981;--border-color: rgba(30, 41, 59, .08);--card-bg: #ffffff;--card-shadow: 0 4px 24px rgba(30, 58, 138, .06);--card-shadow-hover: 0 12px 40px rgba(30, 58, 138, .12)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.glow-bg{position:fixed;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(37,99,235,.08) 0%,transparent 70%);border-radius:50%;z-index:-1;pointer-events:none}.glow-bg:after{content:"";position:fixed;bottom:-300px;left:-200px;width:700px;height:700px;background:radial-gradient(circle,rgba(124,58,237,.06) 0%,transparent 70%);border-radius:50%;pointer-events:none}.navbar{padding:1rem 0;position:fixed;width:100%;top:0;z-index:100;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#eef4fbd9;border-bottom:1px solid var(--border-color)}.nav-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;text-decoration:none;font-size:1.2rem;font-weight:800;letter-spacing:.02em;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;gap:2.5rem;align-items:center}.nav-links a{color:var(--text-muted);text-decoration:none;font-weight:500;font-size:.95rem;transition:color .3s ease}.nav-links a:hover{color:var(--primary-color)}.mobile-menu-btn{display:none;cursor:pointer;color:var(--text-main)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.4rem;border-radius:10px;font-weight:600;font-size:.95rem;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;border:none}.btn-outline{border:1.5px solid var(--primary-color);background:transparent;color:var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 16px #2563eb4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #2563eb66}.btn-secondary{background:var(--bg-white);color:var(--text-main);border:1.5px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-accent);border-color:var(--primary-light);transform:translateY(-2px)}.btn-large{padding:1rem 2rem;font-size:1.05rem;border-radius:12px}.hero{padding:10rem 0 6rem;min-height:100vh;display:flex;align-items:center;position:relative;background:linear-gradient(180deg,#dbeafe 0%,var(--bg-color) 100%)}.hero-container{display:grid;grid-template-columns:1.1fr .9fr;gap:5rem;align-items:center}.badge{display:inline-block;padding:.45rem 1.2rem;background:#2563eb14;color:var(--primary-color);border:1px solid rgba(37,99,235,.15);border-radius:40px;font-size:.85rem;font-weight:600;margin-bottom:1.5rem}.hero-title{font-size:3.5rem;line-height:1.12;margin-bottom:1.5rem;letter-spacing:-.03em;color:var(--text-dark)}.text-gradient{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-desc{font-size:1.15rem;color:var(--text-muted);margin-bottom:2.5rem;max-width:92%;line-height:1.75}.hero-cta-group{display:flex;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.hero-stats{display:flex;gap:3rem;padding-top:2rem;border-top:1px solid rgba(30,41,59,.1)}.stat-item{display:flex;flex-direction:column}.stat-val{font-size:2rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.stat-label{font-size:.9rem;color:var(--text-muted);font-weight:500}.fade-in-up{opacity:0;transform:translateY(24px);animation:fadeInUp .7s cubic-bezier(.16,1,.3,1) forwards}.fade-in{opacity:0;animation:fadeIn .8s ease-out .4s forwards}.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}.delay-4{animation-delay:.4s}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{to{opacity:1}}.hero-visual{position:relative;perspective:1200px}.glass-panel{background:var(--bg-white);border:1px solid rgba(30,58,138,.08);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px -12px #1e3a8a1f;transform:rotateY(-4deg) rotateX(3deg);transition:transform .5s ease,box-shadow .5s ease}.glass-panel:hover{transform:rotateY(0) rotateX(0);box-shadow:0 25px 60px -12px #1e3a8a2e}.panel-header{padding:.9rem 1.2rem;border-bottom:1px solid rgba(30,41,59,.06);display:flex;align-items:center;gap:.8rem;background:#f8fafc}.dots{display:flex;gap:.4rem}.dot{width:10px;height:10px;border-radius:50%}.dot.red{background:#f87171}.dot.yellow{background:#fbbf24}.dot.green{background:#34d399}.panel-title{font-size:.8rem;color:var(--text-muted);font-family:Inter,monospace;font-weight:500}.panel-body{padding:1.5rem}.skeleton-line{height:10px;background:#e2e8f0;border-radius:10px;margin-bottom:.8rem}.skeleton-line.full{width:100%}.skeleton-line.partial{width:55%}.citation-box{background:#10b9810f;border:1px solid rgba(16,185,129,.2);border-radius:10px;padding:1rem 1.2rem;display:flex;gap:.8rem;align-items:flex-start;margin:1.2rem 0}.cite-icon{background:var(--success-color);color:#fff;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;flex-shrink:0;margin-top:2px}.cite-text{font-size:.85rem;color:var(--text-main);line-height:1.5}.overlay-panel{position:absolute;bottom:-30px;right:-20px;width:72%;animation:float 6s ease-in-out infinite;transform:none;box-shadow:0 16px 48px -8px #1e3a8a26}.overlay-panel:hover{transform:none}.chat-bubble{padding:.8rem 1rem;border-radius:12px;font-size:.82rem;margin-bottom:.8rem;line-height:1.5}.chat-bubble.user{background:#f1f5f9;border:1px solid #e2e8f0;color:var(--text-main);max-width:85%;margin-left:auto;border-bottom-right-radius:4px}.chat-bubble.ai{background:#2563eb0f;border:1px solid rgba(37,99,235,.15);color:var(--text-main);max-width:90%;border-bottom-left-radius:4px}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-12px)}to{transform:translateY(0)}}.container-center{display:flex;flex-direction:column;align-items:center;text-align:center}.section-title{font-size:2.5rem;margin-bottom:1rem;color:var(--text-dark);letter-spacing:-.02em}.section-desc{color:var(--text-muted);max-width:580px;margin-bottom:3.5rem;font-size:1.1rem;line-height:1.7}.features{padding:6rem 0;position:relative;background:var(--bg-white)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;width:100%}.feature-card{background:var(--bg-light);border:1px solid rgba(37,99,235,.06);border-radius:16px;padding:2rem 1.8rem;text-align:left;transition:all .35s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--accent-gradient);opacity:0;transition:opacity .3s 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#2563eb33;position:relative;overflow:hidden}.cta-banner:before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);border-radius:50%}.banner-content{text-align:left;position:relative;z-index:1}.banner-content h3{font-size:1.8rem;margin-bottom:.6rem;color:#fff;font-weight:700}.banner-content p{color:#ffffffd9;font-size:1.05rem}.banner-action{position:relative;z-index:1;flex-shrink:0}.banner-action .btn-primary{background:#fff;color:var(--primary-color);box-shadow:0 4px 16px #00000026;font-weight:700}.banner-action .btn-primary:hover{background:#f0f6ff;box-shadow:0 8px 24px #0003}footer{text-align:center;padding:2.5rem 0;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:.88rem;background:var(--bg-white)}@media (max-width: 992px){.hero-container{grid-template-columns:1fr;gap:4rem}.hero-title{font-size:2.8rem}.hero-visual{padding:0 1rem;max-width:500px;margin:0 auto}.overlay-panel{right:0;bottom:-20px}.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.nav-links{display:none;flex-direction:column;position:absolute;top:100%;left:0;width:100%;background:#eef4fbfa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:1.5rem 2rem;border-bottom:1px solid var(--border-color);gap:1rem}.nav-links.active{display:flex}.mobile-menu-btn{display:block}.hero{padding:8rem 0 4rem}.hero-title{font-size:2.2rem}.hero-desc{font-size:1rem;max-width:100%}.hero-cta-group{flex-direction:column}.btn-large{width:100%;justify-content:center}.hero-visual{padding:0}.section-title{font-size:2rem}.features-grid{grid-template-columns:1fr}.cta-banner{flex-direction:column;text-align:center;padding:2.5rem 2rem}.banner-content{text-align:center}.banner-content h3{font-size:1.4rem}.banner-action,.banner-action .btn-large{width:100%}.hero-stats{gap:2rem}}@media (max-width: 480px){.hero-title{font-size:1.8rem}.container{padding:0 1.2rem}}