@import"https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap";:root{--primary-color: #005A9C;--primary-dark: #003d6b;--secondary-color: #4CAF50;--secondary-dark: #388E3C;--accent-color: #0083CA;--text-dark: #333333;--text-light: #666666;--white: #ffffff;--background-light: #f7f9fa;--background-dark: #1a1a1a;--header-height: 80px;--font-body: "Roboto", system-ui, -apple-system, sans-serif;--font-heading: "Roboto", sans-serif;--container-width: 1200px;--space-xs: .5rem;--space-sm: 1rem;--space-md: 2rem;--space-lg: 4rem;--space-xl: 6rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}body{font-family:var(--font-body);color:var(--text-dark);line-height:1.6;background-color:var(--white)}ul{list-style:none}a{text-decoration:none;color:inherit;transition:all .3s}img{max-width:100%;display:block}.container{max-width:var(--container-width);margin:0 auto;padding:0 var(--space-md)}.section{padding:var(--space-lg) 0}.bg-light{background-color:var(--background-light)}.text-center{text-align:center}.btn-primary{display:inline-block;padding:.8rem 1.5rem;background-color:var(--primary-color);color:var(--white);border-radius:4px;font-weight:500;border:none;cursor:pointer}.btn-primary:hover{background-color:var(--primary-dark)}.btn-outline{display:inline-block;padding:.8rem 1.5rem;border:2px solid var(--primary-color);color:var(--primary-color);border-radius:4px;font-weight:500;margin-right:var(--space-sm)}.btn-outline:hover{background-color:var(--primary-color);color:var(--white)}.section-title{font-family:var(--font-heading);font-size:2.2rem;color:var(--primary-color);text-align:center;margin-bottom:var(--space-lg);position:relative;font-weight:700}.section-title:after{content:"";display:block;width:60px;height:4px;background:var(--secondary-color);margin:15px auto 0;border-radius:2px}#main-header{position:fixed;top:0;left:0;width:100%;height:var(--header-height);background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;box-shadow:0 4px 20px #00000014;display:flex;align-items:center;transition:all .3s}.header-content{display:flex;justify-content:space-between;align-items:center;width:100%}.logo-area{display:flex;align-items:center;gap:1rem}.logo-placeholder{font-size:1.8rem;font-weight:900;color:var(--primary-color);letter-spacing:-.5px;display:flex;align-items:center}.logo-placeholder span{color:var(--secondary-color)}.nav-links{display:flex;gap:var(--space-md)}.nav-links a{font-weight:500;color:var(--text-dark);position:relative;font-size:.95rem;text-transform:uppercase;letter-spacing:.5px}.nav-links a:hover,.nav-links a.active{color:var(--primary-color)}.nav-links a:after{content:"";position:absolute;width:0;height:2px;bottom:-4px;left:0;background-color:var(--secondary-color);transition:width .3s cubic-bezier(.25,.46,.45,.94)}.nav-links a:hover:after{width:100%}.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:6px;z-index:1001}.bar{display:block;width:25px;height:3px;background-color:var(--text-dark);transition:all .3s}.mobile-menu-btn.open .bar:nth-child(1){transform:rotate(45deg) translate(5px,6px)}.mobile-menu-btn.open .bar:nth-child(2){opacity:0}.mobile-menu-btn.open .bar:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}.hero-section{height:100vh;min-height:600px;margin-top:0;background:linear-gradient(135deg,#005a9ce6,#0083cab3),url(https://images.unsplash.com/photo-1518531933037-91b2f5f229cc?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80) no-repeat center center/cover;background-attachment:fixed;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--white);padding-top:var(--header-height);position:relative}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at center,transparent 0%,rgba(0,0,0,.4) 100%)}.hero-content{position:relative;z-index:2;max-width:800px}.hero-content h1{font-size:3.5rem;margin-bottom:var(--space-sm);font-weight:700;line-height:1.2}.subtitle{font-size:1.4rem;margin-bottom:var(--space-lg);font-weight:300;opacity:.9}.cta-button{display:inline-block;padding:1rem 3rem;background-color:var(--secondary-color);color:var(--white);border-radius:50px;font-weight:700;text-transform:uppercase;letter-spacing:1px;transition:all .3s;box-shadow:0 4px 15px #0003}.cta-button:hover{transform:translateY(-3px);background-color:var(--secondary-dark);box-shadow:0 10px 20px #0000004d}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:center}.about-text p{font-size:1.1rem;color:var(--text-light);margin-bottom:1.5rem}.about-image{position:relative}.about-image img,.img-placeholder{width:100%;border-radius:8px;box-shadow:0 20px 40px #0000001a}.img-placeholder{height:400px;background-color:#f0f0f0;display:flex;align-items:center;justify-content:center;color:#aaa;font-size:1.2rem}.tabs{display:flex;justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-lg)}.tab-btn{padding:.8rem 2rem;border:none;background:transparent;font-size:1rem;cursor:pointer;border-bottom:2px solid #ddd;color:var(--text-light);transition:all .3s}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color);font-weight:600}.projects-grid{display:none;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-md)}.projects-grid.active{display:grid}.project-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid #eee;box-shadow:0 4px 10px #00000008;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}.project-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a;border-color:transparent}.project-image{height:200px;background-color:#eee;position:relative}.project-status{position:absolute;top:10px;right:10px;background:var(--secondary-color);color:#fff;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600}.project-content{padding:var(--space-md);flex-grow:1;display:flex;flex-direction:column}.project-content h3{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary-color)}.project-content p{font-size:.95rem;color:var(--text-light);margin-bottom:1.5rem;flex-grow:1}.project-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:auto}.tag{background:var(--background-light);color:var(--text-light);padding:4px 10px;border-radius:4px;font-size:.8rem}.publications-list{display:flex;flex-direction:column;gap:var(--space-md);max-width:900px;margin:0 auto 3rem}.publication-item{background:#fff;padding:var(--space-md);border-radius:8px;border-left:4px solid var(--secondary-color);box-shadow:0 2px 8px #0000000d;transition:transform .2s}.publication-item:hover{transform:translate(5px)}.pub-year{display:inline-block;background:var(--primary-color);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem;margin-bottom:.5rem}.pub-title{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;color:var(--text-dark)}.pub-authors{font-size:.95rem;color:var(--text-light);font-style:italic;margin-bottom:.5rem}.pub-journal{font-size:.9rem;color:var(--primary-color);font-weight:500}.external-links{text-align:center}.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-md);text-align:center}.team-member{background:#fff;padding:var(--space-md);border-radius:12px;border:1px solid #f0f0f0;transition:all .3s}.team-member:hover{box-shadow:0 10px 25px #00000014;border-color:transparent}.member-photo{width:120px;height:120px;border-radius:50%;background-color:#eee;margin:0 auto var(--space-sm);object-fit:cover;border:3px solid var(--white);box-shadow:0 4px 10px #0000001a}.member-name{font-size:1.1rem;font-weight:600;color:var(--text-dark);margin-bottom:.3rem}.member-role{font-size:.9rem;color:var(--secondary-color);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem;font-weight:500}.member-bio{font-size:.85rem;color:var(--text-light);margin-bottom:1rem}.member-links a{color:var(--primary-color);font-size:.9rem;margin:0 5px}.main-footer{background-color:var(--primary-dark);color:var(--white);padding:var(--space-lg) 0 var(--space-md);font-size:.95rem}.footer-content{display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--space-lg);margin-bottom:var(--space-lg)}.footer-info{flex:1;min-width:300px;max-width:400px}.footer-info h3{font-size:1.5rem;margin-bottom:1rem;color:var(--white)}.footer-links h4{font-size:1.1rem;margin-bottom:1rem;color:var(--secondary-color)}.footer-links ul li{margin-bottom:.8rem}.footer-links a{color:#ccc}.footer-links a:hover{color:var(--white);padding-left:5px}.footer-bottom{text-align:center;padding-top:var(--space-md);border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;opacity:.6}@media (max-width: 900px){.hero-content h1{font-size:3rem}.about-grid{grid-template-columns:1fr}}@media (max-width: 768px){:root{--header-height: 70px}.hero-content h1{font-size:2.5rem}.section-title{font-size:1.8rem}.mobile-menu-btn{display:flex}.nav-links{position:fixed;top:var(--header-height);left:0;width:100%;height:calc(100vh - var(--header-height));background-color:var(--white);flex-direction:column;padding:var(--space-lg) var(--space-md);box-shadow:none;transform:translate(100%);transition:transform .3s ease-in-out;z-index:999;align-items:center;gap:2rem}.nav-links.active{transform:translate(0)}.nav-links a{font-size:1.2rem}}.reveal-on-scroll{opacity:0;transform:translateY(30px);transition:opacity .8s ease-out,transform .8s ease-out}.reveal-on-scroll.visible{opacity:1;transform:translateY(0)}.fade-in-up{opacity:0;animation:fadeInUp 1s ease-out forwards}.delay-1{animation-delay:.2s}.delay-2{animation-delay:.4s}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}