#hero{min-height:100vh;display:flex;align-items:center;padding-top:5rem;position:relative;overflow:hidden}.hero-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;width:100%}.hero-text{z-index:2}.hero-greeting{font-family:'Rajdhani',sans-serif;font-size:1.1rem;font-weight:500;color:#FF9900;letter-spacing:2px;text-transform:uppercase;margin-bottom:0.8rem;opacity:0;animation:fadeSlideUp 0.8s ease forwards 0.3s}.hero-name{font-family:'Rajdhani',sans-serif;font-weight:900;font-size:4rem;color:#ffffff;line-height:1.1;margin-bottom:1.2rem;opacity:0;animation:fadeSlideUp 0.8s ease forwards 0.5s;text-shadow:0 0 40px rgba(255,153,0,0.15)}.hero-title{font-size:1.15rem;color:#8b949e;line-height:1.6;margin-bottom:2rem;opacity:0;animation:fadeSlideUp 0.8s ease forwards 0.7s}.hero-title strong{color:#FF9900;font-weight:600}.hero-actions{display:flex;gap:1.2rem;flex-wrap:wrap;opacity:0;animation:fadeSlideUp 0.8s ease forwards 0.9s}.hero-slideshow{position:relative;width:100%;aspect-ratio:4/3;border-radius:16px;overflow:hidden;border:1px solid rgba(255,153,0,0.2);box-shadow:0 0 60px rgba(0,0,0,0.5),0 0 30px rgba(255,153,0,0.1);opacity:0;animation:fadeSlideUp 0.8s ease forwards 0.6s}.hero-slideshow::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,153,0,0.05),transparent 50%);z-index:2;pointer-events:none}.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease,transform 1.2s ease;transform:scale(1.05)}.slide.active{opacity:1;transform:scale(1)}.slide img{width:100%;height:100%;object-fit:cover}.slide-indicators{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.slide-indicators button{width:10px;height:10px;border-radius:50%;border:1px solid rgba(255,153,0,0.6);background:rgba(255,153,0,0.15);cursor:pointer;transition:all 0.3s ease;padding:0}.slide-indicators button.active{background:#FF9900;box-shadow:0 0 12px rgba(255,153,0,0.6);transform:scale(1.2)}.orbit-ring{position:absolute;border:1px solid rgba(255,153,0,0.06);border-radius:50%;pointer-events:none}.orbit-ring-1{width:600px;height:600px;top:-100px;right:-200px;animation:spin 60s linear infinite}.orbit-ring-2{width:400px;height:400px;bottom:-100px;left:-100px;animation:spin 45s linear infinite reverse}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes fadeSlideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}#about{padding-top:4rem}.about-content{display:grid;grid-template-columns:200px 1fr;gap:2.5rem;align-items:start}.about-portrait{width:200px;height:200px;border-radius:50%;overflow:hidden;border:2px solid rgba(255,153,0,0.25);box-shadow:0 0 40px rgba(0,0,0,0.4),0 0 20px rgba(255,153,0,0.1);flex-shrink:0;position:sticky;top:6rem}.about-portrait img{width:100%;height:100%;object-fit:cover}.about-text p{font-size:1.02rem;line-height:1.9;color:#b1bac4}#publications{padding-top:2rem}.pub-spotlight{display:grid;grid-template-columns:200px 1fr;gap:2rem;align-items:start;margin-bottom:2.5rem}.pub-spotlight-cover{width:100%;border-radius:10px;border:1px solid rgba(255,153,0,0.15);box-shadow:0 0 30px rgba(0,0,0,0.4),0 0 15px rgba(255,153,0,0.08);transition:all 0.3s ease}.pub-spotlight-cover:hover{transform:translateY(-4px);box-shadow:0 0 40px rgba(0,0,0,0.5),0 0 25px rgba(255,153,0,0.15)}.pub-spotlight-body h3{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:1.35rem;color:#e6edf3;margin-bottom:0.3rem;line-height:1.3}.pub-spotlight-meta{font-size:0.88rem;color:#FF9900;margin-bottom:0.8rem;font-weight:500}.pub-spotlight-body p{font-size:0.95rem;line-height:1.75;color:#8b949e;margin-bottom:1rem}.pub-spotlight-actions{display:flex;gap:1rem;flex-wrap:wrap}.pub-divider{border:none;border-top:1px solid rgba(255,153,0,0.1);margin:0 0 2rem 0}.pub-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}.pub-card{background:rgba(22,27,34,0.6);border:1px solid rgba(255,153,0,0.08);border-radius:12px;padding:1.5rem;transition:all 0.3s ease;display:flex;flex-direction:column;text-decoration:none;color:inherit}.pub-card:hover{border-color:rgba(255,153,0,0.25);box-shadow:0 0 30px rgba(255,153,0,0.06);transform:translateY(-3px)}.pub-card-source{font-family:'Rajdhani',sans-serif;font-size:0.75rem;font-weight:700;color:#FF9900;text-transform:uppercase;letter-spacing:1px;margin-bottom:0.6rem;display:flex;align-items:center;gap:0.5rem}.pub-card-source .pub-badge{background:rgba(255,153,0,0.12);padding:0.15rem 0.5rem;border-radius:4px;font-size:0.7rem}.pub-card h4{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:1.1rem;color:#e6edf3;line-height:1.35;margin-bottom:0.5rem}.pub-card p{font-size:0.88rem;line-height:1.65;color:#8b949e;flex-grow:1}.pub-card-date{font-size:0.78rem;color:#6e7681;margin-top:0.8rem}.pub-view-all{text-align:center;margin-top:1.5rem}.pub-view-all a{display:inline-flex;align-items:center;gap:6px;color:#FF9900;font-family:'Rajdhani',sans-serif;font-weight:600;font-size:0.9rem;text-decoration:none;text-transform:uppercase;letter-spacing:1px;padding:0.5rem 1.2rem;border:1px solid rgba(255,153,0,0.2);border-radius:8px;transition:all 0.3s ease}.pub-view-all a:hover{background:rgba(255,153,0,0.08);border-color:rgba(255,153,0,0.4)}.pub-badge-muted{background:rgba(255,255,255,0.06);color:#8b949e;padding:0.15rem 0.5rem;border-radius:4px;font-size:0.7rem}#skills{padding-top:2rem}.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem}.skill-card{background:rgba(22,27,34,0.6);border:1px solid rgba(255,153,0,0.08);border-radius:12px;padding:1.5rem;transition:all 0.3s ease}.skill-card:hover{border-color:rgba(255,153,0,0.2);box-shadow:0 0 25px rgba(255,153,0,0.05)}.skill-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.8rem}.skill-name{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:1.05rem;color:#e6edf3}.skill-meta{font-size:0.8rem;color:#FF9900;font-weight:500}.skill-bar-track{width:100%;height:6px;background:rgba(255,255,255,0.06);border-radius:3px;overflow:hidden;margin-bottom:0.4rem}.skill-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,#FF9900,#ffb84d);box-shadow:0 0 12px rgba(255,153,0,0.4);width:0;transition:width 1.5s ease}.skill-since{font-size:0.78rem;color:#6e7681}.lang-section{margin-top:3rem}.lang-section h3{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:1.3rem;color:#e6edf3;margin-bottom:1.5rem}.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.lang-card{text-align:center;background:rgba(22,27,34,0.6);border:1px solid rgba(255,153,0,0.08);border-radius:12px;padding:1.5rem 1rem;transition:all 0.3s ease}.lang-card:hover{border-color:rgba(255,153,0,0.2);transform:translateY(-3px)}.lang-circle-wrap{position:relative;width:80px;height:80px;margin:0 auto 1rem}.lang-circle-wrap svg{transform:rotate(-90deg);width:80px;height:80px}.lang-circle-bg{fill:none;stroke:rgba(255,255,255,0.06);stroke-width:4}.lang-circle-fill{fill:none;stroke:#FF9900;stroke-width:4;stroke-linecap:round;stroke-dasharray:226;stroke-dashoffset:226;transition:stroke-dashoffset 1.5s ease;filter:drop-shadow(0 0 6px rgba(255,153,0,0.4))}.lang-percent{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:'Rajdhani',sans-serif;font-weight:700;font-size:1.1rem;color:#FF9900}.lang-name{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:1rem;color:#e6edf3;margin-bottom:0.2rem}.lang-level{font-size:0.8rem;color:#6e7681}#experience{padding-top:2rem}.timeline{position:relative;margin-top:2rem;padding-left:2.5rem}.timeline::before{content:'';position:absolute;top:0;left:8px;width:2px;height:100%;background:linear-gradient(180deg,#FF9900,rgba(255,153,0,0.1));box-shadow:0 0 10px rgba(255,153,0,0.2)}.timeline-item{position:relative;margin-bottom:2.5rem;opacity:0;transform:translateX(-20px);transition:all 0.6s ease}.timeline-item.visible{opacity:1;transform:translateX(0)}.timeline-dot{position:absolute;left:-2.5rem;top:0.5rem;width:18px;height:18px;border-radius:50%;background:#0d1117;border:2px solid #FF9900;box-shadow:0 0 15px rgba(255,153,0,0.3);z-index:2}.timeline-dot::after{content:'';position:absolute;top:4px;left:4px;width:6px;height:6px;border-radius:50%;background:#FF9900}.timeline-card{background:rgba(22,27,34,0.6);border:1px solid rgba(255,153,0,0.08);border-radius:12px;padding:1.8rem;transition:all 0.3s ease;cursor:pointer}.timeline-card:hover{border-color:rgba(255,153,0,0.2);box-shadow:0 0 30px rgba(255,153,0,0.05)}.timeline-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:0.5rem;margin-bottom:0.5rem}.timeline-company{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:1.2rem;color:#FF9900}.timeline-period{font-size:0.85rem;color:#6e7681;background:rgba(255,153,0,0.08);padding:0.2rem 0.8rem;border-radius:20px;white-space:nowrap}.timeline-role{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:1.05rem;color:#e6edf3;margin-bottom:0.8rem}.timeline-desc{font-size:0.95rem;color:#8b949e;line-height:1.8;max-height:500px;overflow:hidden;transition:max-height 0.5s ease,opacity 0.3s ease;opacity:1}.timeline-card.collapsed .timeline-desc{max-height:0;opacity:0}.timeline-expand{display:inline-flex;align-items:center;gap:6px;font-size:0.82rem;color:#FF9900;margin-top:0.5rem;cursor:pointer;border:none;background:none;font-family:'Exo 2',sans-serif;transition:gap 0.3s ease}.timeline-expand:hover{gap:10px}.timeline-expand svg{width:14px;height:14px;transition:transform 0.3s ease}.timeline-expand svg{transform:rotate(180deg)}.timeline-card.collapsed .timeline-expand svg{transform:rotate(0deg)}#education{padding-top:2rem}.edu-grid{display:grid;gap:2rem;margin-top:2rem}.edu-card{background:rgba(22,27,34,0.6);border:1px solid rgba(255,153,0,0.08);border-radius:12px;padding:2rem;display:grid;grid-template-columns:auto 1fr;gap:1.5rem;transition:all 0.3s ease}.edu-card:hover{border-color:rgba(255,153,0,0.2);box-shadow:0 0 25px rgba(255,153,0,0.05);transform:translateY(-2px)}.edu-icon{width:56px;height:56px;background:rgba(255,153,0,0.08);border:1px solid rgba(255,153,0,0.15);border-radius:12px;display:flex;align-items:center;justify-content:center}.edu-icon svg{width:28px;height:28px;stroke:#FF9900;fill:none;stroke-width:1.5}.edu-degree{font-family:'Rajdhani',sans-serif;font-weight:700;font-size:1.15rem;color:#e6edf3;margin-bottom:0.3rem}.edu-school{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:1rem;color:#FF9900;margin-bottom:0.2rem}.edu-year{font-size:0.85rem;color:#6e7681;margin-bottom:0.8rem}.edu-desc{font-size:0.95rem;color:#8b949e;line-height:1.8}#contact{padding-top:2rem;padding-bottom:4rem}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem}.contact-card{background:rgba(22,27,34,0.6);border:1px solid rgba(255,153,0,0.08);border-radius:12px;padding:2rem;display:flex;align-items:flex-start;gap:1.2rem;transition:all 0.3s ease}.contact-card:hover{border-color:rgba(255,153,0,0.2);transform:translateY(-3px);box-shadow:0 0 25px rgba(255,153,0,0.05)}.contact-icon{width:50px;height:50px;min-width:50px;background:rgba(255,153,0,0.08);border:1px solid rgba(255,153,0,0.15);border-radius:12px;display:flex;align-items:center;justify-content:center}.contact-icon svg{width:24px;height:24px;stroke:#FF9900;fill:none;stroke-width:1.5}.contact-label{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:0.85rem;text-transform:uppercase;letter-spacing:1.5px;color:#6e7681;margin-bottom:0.4rem}.contact-value{font-size:1rem;color:#e6edf3;line-height:1.6}.contact-value a{color:#FF9900;text-decoration:none;transition:opacity 0.3s ease}.contact-value a:hover{opacity:0.8;text-decoration:underline}.contact-socials{display:flex;gap:1rem;margin-top:2rem;justify-content:center}.contact-social-btn{display:inline-flex;align-items:center;gap:10px;padding:0.9rem 1.8rem;background:rgba(255,153,0,0.08);border:1px solid rgba(255,153,0,0.2);border-radius:10px;color:#FF9900;font-family:'Rajdhani',sans-serif;font-weight:600;font-size:0.95rem;text-decoration:none;text-transform:uppercase;letter-spacing:1px;transition:all 0.3s ease}.contact-social-btn:hover{background:rgba(255,153,0,0.15);border-color:#FF9900;transform:translateY(-2px);box-shadow:0 0 20px rgba(255,153,0,0.15)}.contact-social-btn svg{width:20px;height:20px;fill:currentColor}.contact-form{margin-top:2.5rem;display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}.contact-form .form-group{display:flex;flex-direction:column;gap:0.4rem}.contact-form .form-group.full-width{grid-column:1 / -1}.contact-form label{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:0.85rem;text-transform:uppercase;letter-spacing:1.5px;color:#6e7681}.contact-form input,.contact-form textarea{background:rgba(13,17,23,0.8);border:1px solid rgba(255,153,0,0.12);border-radius:8px;padding:0.8rem 1rem;color:#e6edf3;font-family:'Exo 2',sans-serif;font-size:0.95rem;transition:border-color 0.3s ease,box-shadow 0.3s ease;outline:none;width:100%}.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(110,118,129,0.6)}.contact-form input:focus,.contact-form textarea:focus{border-color:#FF9900;box-shadow:0 0 15px rgba(255,153,0,0.1)}.contact-form textarea{resize:vertical;min-height:120px}.contact-form .form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:1rem;margin-top:0.5rem}.contact-form .btn-primary{min-width:160px;justify-content:center}.contact-form .btn-primary:disabled{opacity:0.6;cursor:not-allowed;transform:none}.form-status{font-size:0.9rem;opacity:0;transition:opacity 0.3s ease}.form-status.visible{opacity:1}.form-status.success{color:#3fb950}.form-status.error{color:#f85149}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;text-align:center;gap:2.5rem}.hero-actions{justify-content:center}.hero-name{font-size:3rem}.hero-slideshow{max-width:500px;margin:0 auto}.about-content{grid-template-columns:1fr;text-align:center}.about-portrait{margin:0 auto;width:160px;height:160px;position:static}.pub-spotlight{grid-template-columns:160px 1fr;gap:1.5rem}.pub-grid{grid-template-columns:1fr}.skills-grid{grid-template-columns:1fr}.lang-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}.contact-socials{flex-direction:column;align-items:center}.edu-card{grid-template-columns:1fr;text-align:center}.edu-icon{margin:0 auto}.section-title{font-size:2rem}.station-panel{padding:2rem}}@media (max-width:640px){.hero-name{font-size:2.4rem}.pub-spotlight{grid-template-columns:1fr;text-align:center}.pub-spotlight-cover{max-width:160px;margin:0 auto}.pub-spotlight-actions{justify-content:center}.lang-grid{grid-template-columns:1fr}.timeline{padding-left:2rem}.timeline-header{flex-direction:column}.hero-slideshow{aspect-ratio:16/10}}@media (max-width:768px){.contact-form{grid-template-columns:1fr}}