:root{--primary-color: #2563eb;--primary-dark: #1e40af;--secondary-color: #10b981;--accent-color: #8b5cf6;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--border-radius: .5rem;--transition-base: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;color:var(--text-primary);background-color:var(--bg-secondary);line-height:1.6}.app-container{min-height:100vh;display:flex;flex-direction:column}.content{flex:1;margin-top:80px}.container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}.navbar{position:fixed;top:0;left:0;right:0;background:var(--bg-primary);box-shadow:var(--shadow-md);z-index:1000;height:80px}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 1.5rem;max-width:1400px;margin:0 auto}.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.5rem}.logo{font-size:2rem}.main-nav{display:flex;align-items:center;gap:.5rem}.nav-item{position:relative}.nav-link,.dropdown-toggle{display:flex;align-items:center;gap:.25rem;padding:.75rem 1rem;color:var(--text-primary);text-decoration:none;border:none;background:none;font-size:.95rem;font-weight:500;cursor:pointer;border-radius:var(--border-radius);transition:var(--transition-base)}.nav-link:hover,.dropdown-toggle:hover{background-color:var(--bg-secondary);color:var(--primary-color)}.nav-link.active,.dropdown-toggle.active{color:var(--primary-color);background-color:#2563eb1a}.dropdown-arrow{font-size:.7rem;transition:transform .3s ease}.dropdown-toggle.active .dropdown-arrow{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100% + .5rem);left:0;min-width:220px;background:var(--bg-primary);border-radius:var(--border-radius);box-shadow:var(--shadow-xl);border:1px solid var(--border-color);padding:.5rem;animation:dropdownFade .3s ease}@keyframes dropdownFade{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{display:block;padding:.75rem 1rem;color:var(--text-primary);text-decoration:none;border-radius:calc(var(--border-radius) * .75);transition:var(--transition-base);font-size:.9rem}.dropdown-item:hover{background-color:var(--bg-secondary);color:var(--primary-color)}.dropdown-item.active{background-color:#2563eb1a;color:var(--primary-color);font-weight:500}.mobile-menu-toggle{display:none;flex-direction:column;gap:4px;padding:.5rem;background:none;border:none;cursor:pointer}.mobile-menu-toggle span{display:block;width:25px;height:3px;background-color:var(--text-primary);border-radius:2px;transition:var(--transition-base)}.hero{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;padding:5rem 2rem;text-align:center;border-radius:var(--border-radius);margin-bottom:3rem}.hero h1{font-size:3.5rem;margin-bottom:1rem;font-weight:800}.hero .tagline{font-size:1.5rem;margin-bottom:1rem;opacity:.95}.hero p{font-size:1.1rem;max-width:600px;margin:0 auto 2rem;opacity:.9}.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:2rem;margin-top:3rem;padding-top:3rem;border-top:1px solid rgba(255,255,255,.2)}.stat-item{text-align:center}.stat-number{font-size:2.5rem;font-weight:700;display:block;margin-bottom:.5rem}.stat-label{font-size:.9rem;opacity:.9}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--border-radius);font-weight:600;text-decoration:none;transition:var(--transition-base);cursor:pointer;border:none;font-size:1rem}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background-color:#fff;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:#fff}.btn-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.card{background:var(--bg-primary);border-radius:var(--border-radius);padding:2rem;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.card h3{color:var(--text-primary);margin-bottom:1rem;font-size:1.5rem}.card h4{color:var(--text-primary);margin-bottom:.75rem;font-size:1.25rem}.card p{color:var(--text-secondary);line-height:1.7}.card.clickable{cursor:pointer}.card.clickable:hover{border-color:var(--primary-color)}.grid{display:grid;gap:2rem}.grid.two{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid.three{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid.four{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.section-header{text-align:center;margin-bottom:3rem}.section-header h2{font-size:2.5rem;color:var(--text-primary);margin-bottom:1rem}.section-header p{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.use-case-card{position:relative;overflow:hidden;border-radius:var(--border-radius);background:var(--bg-primary);box-shadow:var(--shadow-md);transition:var(--transition-base)}.use-case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}.use-case-icon{font-size:3rem;margin-bottom:1rem;color:var(--primary-color)}.use-case-content{padding:2rem}.use-case-content h3{margin-bottom:1rem;color:var(--text-primary)}.use-case-content p{color:var(--text-secondary);margin-bottom:1rem}.use-case-link{color:var(--primary-color);text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:.5rem}.use-case-link:hover{gap:.75rem}.team-member{text-align:center;padding:1.5rem}.avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 1rem;object-fit:cover;border:3px solid var(--border-color)}.team-member h4{margin-bottom:.5rem;color:var(--text-primary)}.team-member .role{color:var(--primary-color);font-weight:600;margin-bottom:.5rem;font-size:.9rem}.team-member .affiliation{color:var(--text-secondary);font-size:.9rem;margin-bottom:1rem}.team-member .bio{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.footer{background-color:var(--text-primary);color:#fff;padding:2rem 0;margin-top:4rem}.footer .container{text-align:center}.footer p{margin:0;opacity:.9}@media (max-width: 768px){.main-nav{display:none}.mobile-menu-toggle{display:flex}.hero h1{font-size:2.5rem}.hero .tagline{font-size:1.2rem}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.content{margin-top:60px}.navbar{height:60px}}.text-center{text-align:center}.muted{color:var(--text-secondary)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mb-5{margin-bottom:3rem}.p-1{padding:.5rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}.p-5{padding:3rem}.logo{height:80px;width:auto;margin-right:8px;vertical-align:middle}.brand{display:flex;align-items:center;text-decoration:none}.title{font-size:1.5rem;font-weight:700;color:#0d1b2a}