*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #147df5;--primary-dark: #0f5fc2;--secondary: #4fc3f7;--dark: #1a1f2e;--darker: #141824;--light: #f5f7fa;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--card-shadow: 0 10px 40px rgba(0, 0, 0, .1);--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .1)}body{font-family:Inter,Roboto,Arial,sans-serif;background-color:var(--light);color:#333;line-height:1.6;font-size:16px;overflow-x:hidden}.container{width:90%;max-width:1200px;margin:0 auto}header{background:linear-gradient(135deg,var(--dark) 0%,var(--darker) 100%);color:#fff;padding:20px 0;box-shadow:0 4px 20px #0000004d;position:sticky;top:0;z-index:1000}.header-container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px}.header-content{display:flex;flex-direction:column}.left-header{font-family:Montserrat,sans-serif;font-size:2.2rem;font-weight:800;background:linear-gradient(90deg,#fff,var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:1rem;color:#ffffffb3;margin-top:4px}.mobile-menu-btn{display:none;background:transparent;border:2px solid var(--secondary);color:var(--secondary);padding:10px 12px;border-radius:8px;cursor:pointer;font-size:1.2rem;transition:all .3s ease}.mobile-menu-btn:hover{background:var(--secondary);color:var(--dark)}nav ul{display:flex;list-style:none;gap:1.5rem}nav ul li a{color:#ffffffe6;text-decoration:none;font-weight:500;padding:8px 14px;border-radius:8px;transition:all .3s ease;position:relative;font-size:.95rem}nav ul li a:after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--secondary);transition:all .3s ease;transform:translate(-50%)}nav ul li a:hover:after{width:80%}nav ul li a:hover{color:var(--secondary)}.nav-link.active{color:var(--secondary)!important}.nav-link.active:after{width:80%}.header-social{display:flex;gap:12px}.header-social a{color:#fffc;font-size:1.3rem;transition:all .3s ease}.header-social a:hover{color:var(--secondary);transform:translateY(-3px)}.fade-in{opacity:0;transform:translateY(30px);animation:fadeInUp .8s ease forwards}@keyframes 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#147df526}.stat-number{display:block;font-family:Montserrat,sans-serif;font-size:1.8rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{display:block;font-size:.8rem;color:#888;margin-top:4px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.education{background:#fff}.education-card{display:flex;gap:30px;align-items:flex-start;background:linear-gradient(145deg,#f8fafc,#eef2f7);padding:35px;border-radius:20px;box-shadow:var(--card-shadow);max-width:800px;margin:0 auto;border-left:5px solid var(--primary);transition:transform .3s ease}.education-card:hover{transform:translateY(-5px)}.edu-icon{width:60px;height:60px;background:var(--accent-gradient);border-radius:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.edu-icon i{font-size:1.5rem;color:#fff}.edu-details h3{font-family:Montserrat,sans-serif;font-size:1.3rem;color:var(--dark);margin-bottom:6px}.edu-degree{font-size:1rem;color:#555;margin-bottom:12px}.edu-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.9rem;color:#777}.edu-meta span{display:flex;align-items:center;gap:6px}.edu-cgpa{color:var(--primary)!important;font-weight:600}.experience{background:linear-gradient(180deg,#f0f4ff 0%,var(--light) 100%)}.timeline{position:relative;max-width:850px;margin:0 auto;padding-left:40px}.timeline:before{content:"";position:absolute;left:14px;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,var(--primary),var(--secondary));border-radius:2px}.timeline-item{position:relative;margin-bottom:40px}.timeline-item:last-child{margin-bottom:0}.timeline-dot{position:absolute;left:-33px;top:8px;width:16px;height:16px;background:var(--primary);border-radius:50%;border:3px solid white;box-shadow:0 0 0 4px 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h3{font-family:Montserrat,sans-serif;margin-bottom:12px;font-weight:700;font-size:1.15rem}.project-item h3 a{color:var(--dark);text-decoration:none;transition:color .3s ease}.project-item h3 a:hover{color:var(--primary)}.project-item p{color:#666;font-size:.93rem;line-height:1.6;margin-bottom:15px}.project-tags{display:flex;flex-wrap:wrap;gap:8px}.tag{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:5px 12px;border-radius:20px;font-size:.78rem;font-weight:500}.publications{background:linear-gradient(180deg,#fff,#f0f4ff)}.publications-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:30px;max-width:900px;margin:0 auto}.publication-card{background:#fff;border-radius:16px;padding:30px;box-shadow:var(--card-shadow);transition:all .3s ease;border-top:4px solid var(--primary);position:relative}.publication-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px #0000001f}.pub-status{display:inline-block;padding:4px 14px;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px}.pub-status.published{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.pub-status.under-review{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.publication-card h3{font-family:Montserrat,sans-serif;font-size:1.1rem;color:var(--dark);margin-bottom:10px;line-height:1.4}.pub-authors{font-size:.85rem;color:#888;margin-bottom:8px;font-style:italic}.pub-venue{font-size:.85rem;color:var(--primary);font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:6px}.pub-description{font-size:.9rem;color:#666;line-height:1.6}.leadership{background:linear-gradient(135deg,var(--dark) 0%,#1e2740 100%);color:#fff}.leadership h2{color:#fff}.leadership h2 i{color:var(--secondary)}.leadership h2:after{background:linear-gradient(90deg,var(--secondary),#667eea)}.leadership-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:30px;max-width:1000px;margin:0 auto}.leadership-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:16px;padding:30px;display:flex;gap:20px;transition:all .3s ease}.leadership-card:hover{background:#ffffff1f;transform:translateY(-5px)}.leadership-icon{width:50px;height:50px;background:var(--accent-gradient);border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.leadership-icon i{font-size:1.3rem;color:#fff}.leadership-details h3{font-family:Montserrat,sans-serif;font-size:1.15rem;margin-bottom:4px}.leadership-org{color:var(--secondary);font-size:.9rem;font-weight:500;margin-bottom:6px}.leadership-date{font-size:.82rem;color:#fff9;display:inline-flex;align-items:center;gap:6px;margin-bottom:14px}.leadership-details ul{list-style:none;padding:0}.leadership-details li{position:relative;padding-left:18px;margin-bottom:8px;color:#fffc;font-size:.9rem;line-height:1.5}.leadership-details li:before{content:"▸";position:absolute;left:0;color:var(--secondary)}.certifications{background:#fff}.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;max-width:1000px;margin:0 auto}.cert-card{display:flex;align-items:center;gap:14px;background:linear-gradient(145deg,#f8fafc,#eef2f7);padding:18px 22px;border-radius:12px;transition:all .3s ease;border:1px solid rgba(0,0,0,.04)}.cert-card:hover{transform:translate(6px);box-shadow:0 8px 25px #00000014;border-color:#147df533}.cert-icon{font-size:1.4rem;color:var(--primary);flex-shrink:0;width:36px;text-align:center}.cert-card span{font-size:.9rem;color:#444;font-weight:500;line-height:1.4}.chatbot{background:linear-gradient(180deg,#f0f4ff,#fff)}.chat-container{max-width:520px;background:#fff;border-radius:24px;margin:0 auto;box-shadow:0 20px 60px #147df526;overflow:hidden;border:1px solid rgba(0,0,0,.05)}.chat-title-bar{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,var(--primary) 0%,#667eea 100%);padding:20px 24px}.chat-avatar{width:44px;height:44px;background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-avatar i{font-size:1.3rem;color:#fff}.chat-title{color:#fff;margin:0;font-family:Montserrat,sans-serif;font-size:1.2rem;text-align:left}.chat-title:after{display:none}.chat-status{font-size:.78rem;color:#fffc;display:flex;align-items:center;gap:6px}.status-dot{width:8px;height:8px;background:#10b981;border-radius:50%;display:inline-block;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.chat-window{height:380px;overflow-y:auto;padding:20px;background:#fafbff;font-size:.95rem;display:flex;flex-direction:column;gap:12px}.message{max-width:85%;padding:12px 18px;border-radius:18px 18px 18px 4px;background:linear-gradient(135deg,#e8f4fc,#ebf5ff);align-self:flex-start;font-family:Inter,sans-serif;line-height:1.5;animation:messageSlide .3s ease;font-size:.9rem}.message a{color:var(--primary);font-weight:500}@keyframes messageSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{background:linear-gradient(135deg,var(--primary),#667eea);color:#fff;align-self:flex-end;border-radius:18px 18px 4px}.message.user a{color:#cce5ff}.typing-indicator{display:flex;align-items:center;gap:5px;padding:14px 20px;align-self:flex-start;background:linear-gradient(135deg,#e8f4fc,#ebf5ff);border-radius:18px 18px 18px 4px;animation:messageSlide .3s ease}.typing-indicator span{width:8px;height:8px;background:#aaa;border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.chat-suggestions{display:flex;flex-wrap:wrap;gap:8px;padding:10px 20px;background:#fafbff;border-top:1px solid #eef2f7}.suggestion-chip{background:#fff;border:1.5px solid #e0e5ec;color:var(--primary);padding:7px 14px;border-radius:20px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .3s ease;font-family:Inter,sans-serif;display:flex;align-items:center;gap:6px}.suggestion-chip:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:scale(1.05)}.suggestion-chip i{font-size:.75rem}.chat-input-row{display:flex;border-top:1px solid #e9ecef;background:#fff;padding:15px;gap:12px}#chat-input{flex:1;padding:14px 18px;border-radius:25px;border:2px solid #e0e5ec;font-size:.95rem;outline:none;transition:all .3s ease;font-family:Inter,sans-serif}#chat-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px #147df51a}#send-btn{width:50px;height:50px;background:linear-gradient(135deg,var(--primary),#667eea);color:#fff;border:none;border-radius:50%;font-size:1.1rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}#send-btn:hover{transform:scale(1.1);box-shadow:0 5px 20px #147df566}.contact{background:linear-gradient(135deg,var(--dark) 0%,var(--darker) 100%);color:#fff}.contact h2{color:#fff}.contact h2 i{color:var(--secondary)}.contact h2:after{background:linear-gradient(90deg,var(--secondary),#667eea)}.contact-subtitle{text-align:center;font-size:1.1rem;color:#ffffffb3;margin-bottom:50px;max-width:600px;margin-left:auto;margin-right:auto}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;max-width:1000px;margin:0 auto}.contact-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:30px 20px;text-align:center;text-decoration:none;color:#fff;transition:all .3s ease;border:1px solid var(--glass-border)}.contact-card:hover{background:#ffffff26;transform:translateY(-8px);box-shadow:0 20px 40px #0000004d}.contact-card i{font-size:2.2rem;color:var(--secondary);margin-bottom:12px;display:block}.contact-card h3{font-family:Montserrat,sans-serif;font-size:1rem;margin-bottom:6px}.contact-card p{color:#ffffffb3;font-size:.85rem;word-break:break-all}footer{background:#0d0f14;color:#ffffffb3;text-align:center;padding:30px 0}.footer-container{display:flex;flex-direction:column;align-items:center;gap:20px}.footer-social{display:flex;gap:20px}.footer-social a{color:#fff9;font-size:1.5rem;transition:all .3s ease}.footer-social a:hover{color:var(--secondary);transform:translateY(-3px)}footer p{font-size:.9rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--light)}::-webkit-scrollbar-thumb{background:linear-gradient(var(--primary),var(--secondary));border-radius:4px}.blog{background:linear-gradient(180deg,var(--light) 0%,white 100%);min-height:60vh}.blog-list{max-width:800px;margin:0 auto}.blog-post{background:#fff;border-radius:16px;padding:30px;margin-bottom:25px;box-shadow:var(--card-shadow);transition:all .3s ease;border-left:4px solid var(--primary)}.blog-post:hover{transform:translate(10px);box-shadow:0 15px 40px #0000001f}.blog-post h3{font-family:Montserrat,sans-serif;margin-bottom:15px}.blog-post h3 a{color:var(--dark);text-decoration:none;transition:color .3s ease}.blog-post h3 a:hover{color:var(--primary)}.blog-post p{color:#666;line-height:1.7}.blog-meta{display:flex;gap:20px;margin-bottom:15px;font-size:.9rem;color:#888}.blog-meta span{display:flex;align-items:center;gap:6px}.blog-tag{color:var(--primary)}.read-more{display:inline-flex;align-items:center;gap:8px;color:var(--primary);text-decoration:none;font-weight:500;margin-top:15px;transition:all .3s ease}.read-more:hover{gap:12px;color:var(--primary-dark)}@media screen and (max-width:900px){.mobile-menu-btn{display:block}nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--darker);padding:20px;box-shadow:0 10px 30px #0000004d}nav.active{display:block}nav ul{flex-direction:column;gap:15px;align-items:center}.header-social{display:none}.leadership-grid,.publications-grid{grid-template-columns:1fr}}@media screen and (max-width:768px){.about-container{flex-direction:column;text-align:center}.about-text h2{text-align:center}.about-text h2:after{left:50%;transform:translate(-50%)}.about-stats{justify-content:center}.profile-photo{margin-bottom:20px}.left-header{font-size:1.8rem;text-align:center}.subtitle{text-align:center}.header-container{justify-content:center}.section{padding:60px 0}.section h2{font-size:1.8rem}.education-card{flex-direction:column;text-align:center}.edu-meta{justify-content:center}.timeline{padding-left:30px}.timeline-header{flex-direction:column;align-items:flex-start}}@media screen and (max-width:480px){.left-header{font-size:1.5rem}.subtitle{font-size:.9rem}.project-grid{grid-template-columns:1fr}.skill-category{padding:20px}.contact-card{padding:25px 20px}.cert-grid{grid-template-columns:1fr}.chat-container{border-radius:16px}.stat-item{min-width:80px;padding:14px 16px}.stat-number{font-size:1.5rem}}