:root{--main-color: #2c3e50;--accent-color: #3498db;--gradient-blue: linear-gradient(90deg, #3498db, #2c3e50);--gradient-nav: linear-gradient(90deg, #2c3e50, #3498db);--gradient-sidebar: linear-gradient(135deg, #2c3e50 0%, #1a2a3a 100%);--gradient-orange: linear-gradient(90deg, #e74c3c, #f39c12);--gradient-btn: linear-gradient(135deg, #3498db, #2980b9);--shadow-sm: 0 3px 10px rgba(0,0,0,.08);--shadow-md: 0 5px 15px rgba(0,0,0,.1);--shadow-lg: 0 8px 25px rgba(0,0,0,.1);--transition-normal: all .3s ease;--light-gray: #f8f9fa;--border-radius: 10px;--max-width: 900px;--primary-purple: #8a2be2;--primary-teal: #00ced1;--primary-coral: #ff6347;--primary-gold: #ffd700;--primary-magenta: #ff00ff;--gradient-purple-blue: linear-gradient(135deg, #9370db, #00bfff);--gradient-teal-blue: linear-gradient(135deg, #00ced1, #1e90ff);--gradient-coral-gold: linear-gradient(135deg, #ff6347, #ffd700);--gradient-purple-magenta: linear-gradient(135deg, #8a2be2, #ff1493);--gradient-rainbow: linear-gradient(to 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var(--accent-color);will-change:transform;contain:content}.content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.gradient-card{background:linear-gradient(135deg,#fff,#f8f9fa);border-radius:15px;padding:30px;margin:30px 0;box-shadow:0 10px 20px #0000001a,0 6px 6px #0000001a;position:relative;overflow:hidden}.gradient-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:8px;background:linear-gradient(90deg,var(--primary-purple),var(--primary-teal),var(--primary-coral),var(--primary-gold))}.gradient-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #00000026,0 10px 10px #0000001a}.rainbow-text{background:var(--gradient-rainbow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 3s ease-in-out 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forwards}.bio-section .subtitle{color:#34495e;font-weight:500;margin-bottom:20px;font-size:1.3rem}.bio-section p{font-size:1.05rem;line-height:1.7;margin-bottom:1.5rem;max-width:700px}.news-section,.achievements-section{padding:25px;border-radius:var(--border-radius);margin-bottom:30px;animation:fadeInUp .6s ease-out forwards;opacity:0;content-visibility:auto;contain:content;will-change:opacity,transform}.news-section h2,.achievements-section h2{padding:8px 15px;background:linear-gradient(90deg,#3498db,#2980b9);color:#fff;border-radius:5px;display:inline-block;margin-bottom:20px}.news-list{list-style:none;padding:0}.news-list li{background-color:#ffffffb3;border-radius:8px;padding:15px;margin-bottom:12px;transition:transform .3s ease,background-color .3s ease;border-left:3px solid transparent;display:flex;will-change:transform}.news-list li:nth-child(1),.news-list li:nth-child(2),.news-list li:nth-child(3),.news-list li:nth-child(4),.news-list 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strong{color:var(--main-color);font-weight:700}.about-container h3:first-of-type+p{font-size:1.1rem;line-height:1.7;color:#444;margin:2em 0;padding:25px;background:linear-gradient(135deg,#3498db0d,#9b59b60d);border-radius:12px;border:1px solid rgba(52,152,219,.1);position:relative}.about-container h3:first-of-type+p:before{content:"💼";position:absolute;top:-10px;left:20px;background:#fff;padding:5px 10px;border-radius:50%;box-shadow:0 2px 10px #0000001a}.resume-container{max-width:900px;margin:0 auto;padding:40px;animation:fadeIn .8s ease-out forwards;background:#fff;border-radius:12px;box-shadow:0 5px 30px #00000014;position:relative}.resume-name{font-size:2.8rem;margin:0 0 .2em;color:var(--main-color);font-weight:700;letter-spacing:-.5px}.resume-title{font-size:1.3rem;color:var(--accent-color);font-weight:500;margin:0 0 1em;text-transform:uppercase;letter-spacing:1px}.resume-contact-info{font-size:1rem;color:#666;margin:1em 0 2em;padding:15px 0;border-top:1px solid #eee;border-bottom:1px solid #eee;text-align:center;font-weight:500}.resume-contact-info strong{color:var(--accent-color)}.resume-section-header{font-size:1.8rem;color:var(--main-color);margin:2.5em 0 1em;padding:15px 20px;background:linear-gradient(135deg,var(--accent-color),#2980b9);color:#fff;border-radius:8px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 3px 10px #3498db4d}.resume-subsection{font-size:1.3rem;color:var(--main-color);margin:2em 0 1em;padding-bottom:.5em;border-bottom:2px solid var(--accent-color);font-weight:600;position:relative}.resume-subsection:before{content:"";position:absolute;bottom:-2px;left:0;width:40px;height:2px;background:var(--main-color)}.resume-job-title{font-size:1.1rem;color:var(--main-color);font-weight:600;margin:1.5em 0 .5em}.resume-job-title+p{color:#666;font-size:.95rem;margin:.5em 0;font-style:italic}.job-description{margin:1em 0 1.5em;line-height:1.6}.resume-highlight{font-weight:500;color:#444}.resume-highlight-text{color:var(--accent-color);font-weight:600}.resume-section-divider{margin:3em 0;border:none;height:2px;background:linear-gradient(to right,transparent,var(--accent-color),transparent)}.tech-stack-section{margin:1.5em 0}.tech-stack-section strong{color:var(--main-color);display:block;margin-bottom:10px;font-weight:600}.about-container h3{font-size:1.4rem;color:var(--main-color);margin:2.5em 0 1em;padding-bottom:.5em;border-bottom:2px solid var(--accent-color);font-weight:600;position:relative}.about-container h3:before{content:"";position:absolute;bottom:-2px;left:0;width:50px;height:2px;background:var(--main-color)}.about-container h3+ul{list-style:none;padding:0;margin:1.5em 0;display:grid;gap:15px}.about-container h3+ul li{background:#fff;padding:15px 20px;border-radius:8px;box-shadow:0 2px 8px #0000000d;border-left:4px solid var(--accent-color);margin:0;position:relative;transition:all .3s ease}.about-container h3+ul li:hover{transform:translate(5px);box-shadow:0 4px 15px #0000001a}.about-container h3+ul li:before{content:"✓";position:absolute;left:-12px;top:50%;transform:translateY(-50%);background:var(--accent-color);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.about-container h3+ul li strong{color:var(--main-color);font-weight:600}.skill-card{background:linear-gradient(135deg,#ffffffe6,#f8f9fae6);position:relative}.skill-card.gen-ai{background:linear-gradient(135deg,#8a2be20d,#ffffffe6)}.skill-card.gen-ai:before{background:linear-gradient(90deg,#8a2be2,#9370db)}.skill-card.gen-ai h3:after{background:linear-gradient(90deg,#8a2be2,#9370db)}.skill-card.data{background:linear-gradient(135deg,#00ced10d,#ffffffe6)}.skill-card.data:before{background:linear-gradient(90deg,#00ced1,#20b2aa)}.skill-card.data h3:after{background:linear-gradient(90deg,#00ced1,#20b2aa)}.skill-card.infra{background:linear-gradient(135deg,#ff63470d,#ffffffe6)}.skill-card.infra:before{background:linear-gradient(90deg,tomato,coral)}.skill-card.infra h3:after{background:linear-gradient(90deg,tomato,coral)}.skill-card.security{background:linear-gradient(135deg,#ffd7000d,#ffffffe6)}.skill-card.security:before{background:linear-gradient(90deg,gold,#fa3)}.skill-card.security h3:after{background:linear-gradient(90deg,gold,#fa3)}.skill-card.wallet{background:linear-gradient(135deg,#ff00ff0d,#ffffffe6)}.skill-card.wallet:before{background:linear-gradient(90deg,#f0f,orchid)}.skill-card.wallet h3:after{background:linear-gradient(90deg,#f0f,orchid)}.speaker-section{background:linear-gradient(135deg,#8a2be21a,#ff14931a);border-radius:20px;padding:35px;margin:40px 0;box-shadow:0 15px 25px #00000014;border-left:8px solid;border-image:linear-gradient(to bottom,var(--primary-purple),var(--primary-magenta)) 1}.speaker-section:before{content:"🎤";position:absolute;font-size:5rem;top:10px;right:10px;opacity:.15;animation:pulse 2s ease-in-out infinite}.speaker-section h2{background:var(--gradient-purple-magenta)!important;width:auto;display:inline-block;padding:12px 25px!important;border-radius:12px!important;transform:rotate(-2deg);margin-bottom:25px!important}.tech-stack{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0;padding:5px}.tech-pill{background:linear-gradient(135deg,#f8f9fa,#e8f4f8);border-radius:25px;padding:8px 15px;font-size:.9rem;font-weight:600;color:#444;border:none;box-shadow:3px 3px 8px #0000001a;transition:all .3s ease}.tech-pill:nth-child(5n+1),.news-list li:nth-child(5n+1){border-bottom:3px solid var(--primary-purple);border-left-color:var(--primary-purple)}.tech-pill:nth-child(5n+2),.news-list li:nth-child(5n+2){border-bottom:3px solid var(--primary-teal);border-left-color:var(--primary-teal)}.tech-pill:nth-child(5n+3),.news-list li:nth-child(5n+3){border-bottom:3px solid var(--primary-coral);border-left-color:var(--primary-coral)}.tech-pill:nth-child(5n+4),.news-list li:nth-child(5n+4){border-bottom:3px solid var(--primary-gold);border-left-color:var(--primary-gold)}.tech-pill:nth-child(5n+5),.news-list li:nth-child(5n+5){border-bottom:3px solid var(--primary-magenta);border-left-color:var(--primary-magenta)}.tech-pill:hover{transform:translateY(-5px);box-shadow:5px 5px 12px #00000026}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.skill-card:nth-child(odd){animation:slideInLeft .8s ease-out forwards;animation-delay:calc(.15s * var(--animation-order, 1))}.skill-card:nth-child(2n){animation:slideInRight .8s ease-out forwards;animation-delay:calc(.15s * var(--animation-order, 1))}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.news-section{animation-delay:.2s}.achievements-section{animation-delay:.4s}@media (min-width: 992px){.main-content{padding:40px 60px}.home-container,.publication-detail,.publications-container,.talks-container{width:100%;max-width:var(--max-width)}}@media (max-width: 992px){.layout-container{flex-direction:column}.sidebar{width:100%;padding:15px}.news-list li{flex-direction:column}.news-date{margin-bottom:5px}h1{font-size:2rem}.profile-image{width:160px;height:240px}nav{padding:0;overflow-x:auto;justify-content:flex-start}nav a{padding:15px;font-size:.8rem}}@media (max-width: 768px){.main-content{padding:20px}.action-links .btn{display:block;margin:10px 0}}.books-container{padding:20px;max-width:var(--max-width);margin:0 auto}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:20px}.book-card{background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);overflow:hidden;transition:var(--transition-normal);border:1px solid #e0e6ed}.book-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.book-cover{background:var(--gradient-purple-blue);height:120px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:2rem}.book-cover-placeholder{font-size:3rem;opacity:.8}.book-info{padding:20px}.book-title{margin:0 0 10px;font-size:1.2rem}.book-title a{color:var(--main-color);text-decoration:none;font-weight:600}.book-title a:hover{color:var(--accent-color)}.book-author,.book-genre,.book-status,.book-chapters,.book-date{margin:5px 0;font-size:.9rem;color:#666}.book-status.completed{color:#27ae60;font-weight:600}.book-status.ongoing{color:#e67e22;font-weight:600}.book-description{margin:10px 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