:root{--bg:#0f172a;--bg-alt:#0b1120;--surface:#1e293b;--surface-2:#263348;--border:#2d3f55;--text:#f1f5f9;--text-muted:#94a3b8;--text-faint:#64748b;--accent:#38bdf8;--accent-2:#818cf8;--accent-glow:rgba(56, 189, 248, 0.12);--gradient:linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);--nav-h:68px;--radius:12px;--radius-sm:8px;--transition:0.25s ease;--shadow:0 4px 24px rgba(0, 0, 0, 0.4);--shadow-lg:0 8px 48px rgba(0, 0, 0, 0.6)}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}ul{list-style:none}img,svg{display:block}h1,h2,h3,h4{line-height:1.25;font-weight:700}p{color:var(--text-muted)}strong{color:var(--text);font-weight:600}.container{max-width:1100px;margin:0 auto;padding:0 24px}.section{padding:100px 0}.section-alt{background:var(--bg-alt)}.section-header{margin-bottom:56px}.section-tag{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.75rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.section-title{font-size:clamp(1.75rem, 3vw, 2.5rem);background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s,transform .6s}.reveal.visible{opacity:1;transform:translateY(0)}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),background var(--transition);border:none}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--gradient);color:#0f172a}.btn-primary:hover{box-shadow:0 6px 24px rgba(56,189,248,.35)}.btn-secondary{background:0 0;color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.btn-ghost{background:0 0;color:var(--text-muted);border:1.5px solid var(--border)}.btn-ghost:hover{border-color:var(--text-muted);color:var(--text)}.badge{display:inline-block;padding:4px 12px;border-radius:100px;font-size:.8rem;font-weight:500;background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border)}.badge-gold{background:rgba(250,204,21,.1);color:#facc15;border-color:rgba(250,204,21,.3)}#navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);transition:background var(--transition),box-shadow var(--transition),backdrop-filter var(--transition)}#navbar.scrolled{background:rgba(15,23,42,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--border)}.nav-container{max-width:1100px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-family:'JetBrains Mono',monospace;font-size:1.1rem;font-weight:700;color:var(--text);letter-spacing:-.02em;transition:color var(--transition)}.nav-logo:hover{color:var(--accent)}.logo-bracket{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;align-items:center;gap:4px}.nav-link{padding:8px 14px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--text-muted);transition:color var(--transition),background var(--transition)}.nav-link.active,.nav-link:hover{color:var(--text);background:var(--surface)}.nav-cta{margin-left:8px;background:var(--gradient)!important;color:#0f172a!important;padding:8px 16px;border-radius:var(--radius-sm);font-weight:600}.nav-cta:hover{box-shadow:0 4px 16px rgba(56,189,248,.3)}.hamburger{display:none;flex-direction:column;gap:5px;background:0 0;border:none;cursor:pointer;padding:8px}.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}.hamburger.open span:first-child{transform:translateY(7px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}#hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:calc(var(--nav-h) + 40px) 24px 80px;background:radial-gradient(ellipse 80% 60% at 50% -20%,rgba(56,189,248,.08) 0,transparent 70%),linear-gradient(-45deg,#0f172a,#111e35,#0f1f2e,#131c35);background-size:400% 400%;animation:18s infinite bgShift;position:relative;overflow:hidden}#hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}@keyframes bgShift{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}.hero-content{position:relative;z-index:1;max-width:760px}.hero-greeting{font-family:'JetBrains Mono',monospace;font-size:.9rem;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}.hero-name{font-size:clamp(3rem, 7vw, 5.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:20px}.hero-role{display:flex;align-items:center;justify-content:center;gap:0;font-size:clamp(1rem, 2.5vw, 1.4rem);font-weight:500;color:var(--text-muted);min-height:2.2rem;margin-bottom:20px}.typing-text{font-family:'JetBrains Mono',monospace;color:var(--text)}.cursor{display:inline-block;width:2px;height:1.2em;background:var(--accent);margin-left:3px;animation:1s step-start infinite blink;border-radius:1px}@keyframes blink{50%{opacity:0}}.hero-meta{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-muted);margin-bottom:36px}.hero-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-bottom:48px}.hero-stats{display:inline-flex;align-items:center;gap:32px;padding:20px 36px;background:rgba(30,41,59,.6);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(8px)}.stat{text-align:center}.stat-num{display:block;font-size:1.75rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:4px}.stat-lbl{display:block;font-size:.75rem;color:var(--text-faint);letter-spacing:.05em;text-transform:uppercase}.stat-sep{width:1px;height:40px;background:var(--border)}.scroll-hint{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.7rem;color:var(--text-faint);letter-spacing:.1em;text-transform:uppercase;font-family:'JetBrains Mono',monospace;animation:1.5s 1s both fadeInUp}.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--text-faint),transparent);animation:2s infinite scrollPulse}@keyframes scrollPulse{0%,100%{opacity:1;transform:scaleY(1);transform-origin:top}50%{opacity:.4;transform:scaleY(.6);transform-origin:top}}@keyframes fadeInUp{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.about-layout{display:grid;grid-template-columns:1fr 380px;gap:56px;align-items:start}.about-text p{margin-bottom:18px;font-size:1rem;line-height:1.8}.about-text p:last-child{margin-bottom:0}.about-target{padding:16px 20px;border-left:3px solid var(--accent);background:var(--accent-glow);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-top:4px!important}.about-highlights{display:flex;flex-direction:column;gap:16px}.highlight-card{display:flex;gap:16px;align-items:flex-start;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color var(--transition),transform var(--transition)}.highlight-card:hover{border-color:var(--accent);transform:translateX(4px)}.highlight-icon{font-size:1.5rem;flex-shrink:0;margin-top:2px}.highlight-card h4{font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:4px}.highlight-card p{font-size:.82rem;line-height:1.5;color:var(--text-muted)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.skill-category{padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color var(--transition),box-shadow var(--transition)}.skill-category:hover{border-color:var(--accent);box-shadow:var(--shadow)}.skill-cat-title{display:flex;align-items:center;gap:10px;font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:16px}.skill-cat-title span{font-size:1.1rem}.skill-tags{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-block;padding:4px 12px;border-radius:100px;font-size:.8rem;font-weight:500;background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border);transition:border-color var(--transition),color var(--transition)}.tag:hover{border-color:var(--accent);color:var(--text)}.tag-primary{background:rgba(56,189,248,.08);color:var(--accent);border-color:rgba(56,189,248,.25)}.tag-primary:hover{background:rgba(56,189,248,.15)}.timeline{position:relative;padding-left:28px}.timeline::before{content:'';position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--accent),var(--accent-2),transparent);border-radius:2px}.timeline-item{position:relative;margin-bottom:48px}.timeline-item:last-child{margin-bottom:0}.tl-marker{position:absolute;left:-28px;top:22px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2.5px solid var(--accent);transition:background var(--transition),box-shadow var(--transition)}.timeline-item:hover .tl-marker{background:var(--accent);box-shadow:0 0 0 4px var(--accent-glow)}.tl-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 32px;transition:border-color var(--transition),box-shadow var(--transition)}.tl-card:hover{border-color:rgba(56,189,248,.35);box-shadow:var(--shadow)}.tl-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;flex-wrap:wrap}.tl-company{font-size:1.2rem;font-weight:700;color:var(--text);background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}.tl-title{font-size:.875rem;font-weight:500;color:var(--text-muted)}.tl-date{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--accent);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.2);padding:4px 12px;border-radius:100px;white-space:nowrap;flex-shrink:0}.tl-bullets{display:flex;flex-direction:column;gap:20px}.tl-bullets li{padding-left:20px;border-left:2px solid var(--border);transition:border-color var(--transition)}.tl-bullets li:hover{border-color:var(--accent)}.tl-bullets p{font-size:.9rem;line-height:1.75;margin-bottom:10px;color:var(--text-muted)}.tech-pills{display:flex;flex-wrap:wrap;gap:6px}.tech-pills span{display:inline-block;padding:2px 10px;font-family:'JetBrains Mono',monospace;font-size:.72rem;font-weight:500;color:var(--text-faint);background:var(--bg);border:1px solid var(--border);border-radius:4px}.edu-card{display:flex;align-items:center;gap:28px;padding:36px 40px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:600px;transition:border-color var(--transition),box-shadow var(--transition)}.edu-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.edu-logo{width:110px;height:auto;flex-shrink:0;border-radius:6px}.edu-body h3{font-size:1.25rem;font-weight:700;color:var(--text);margin-bottom:6px}.edu-degree{font-size:1rem;color:var(--text-muted);margin-bottom:14px}.edu-meta{display:flex;gap:10px;flex-wrap:wrap}.patent-card{padding:36px 40px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:720px;transition:border-color var(--transition),box-shadow var(--transition)}.patent-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.patent-badge-wrap{display:flex;align-items:center;gap:12px;margin-bottom:20px}.patent-badge{display:inline-block;padding:4px 14px;border-radius:100px;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;background:var(--gradient);color:#0f172a}.patent-num{font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--accent)}.patent-title{font-size:1.1rem;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:8px}.patent-role{font-size:.85rem;color:var(--accent);font-weight:500;margin-bottom:16px}.patent-desc{font-size:.9rem;line-height:1.75;margin-bottom:20px}.patent-link{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:500;color:var(--accent);transition:gap var(--transition)}.patent-link:hover{gap:10px}#contact{padding:60px 0}.contact-wrap{max-width:760px}.contact-sub{font-size:1rem;line-height:1.75;margin-bottom:40px}.contact-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.contact-card{display:flex;flex-direction:column;gap:8px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color var(--transition),transform var(--transition),box-shadow var(--transition)}.contact-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}.contact-icon{font-size:1.6rem;line-height:1}.contact-icon svg{width:2rem;height:2rem;display:block}.contact-label{font-size:.75rem;font-weight:600;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em}.contact-value{font-size:.875rem;font-weight:500;color:var(--text);word-break:break-all}.footer{padding:32px 0;border-top:1px solid var(--border)}.footer p{text-align:center;font-size:.82rem;color:var(--text-faint)}@media (max-width:900px){.about-layout{grid-template-columns:1fr}}@media (max-width:768px){.hamburger{display:flex}.nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:0;background:rgba(15,23,42,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:8px 0 16px}.nav-links.open{display:flex}.nav-link{padding:12px 24px;border-radius:0;width:100%}.nav-cta{margin:0;width:100%;background:0 0!important;color:var(--text-muted)!important;padding:12px 24px;border-radius:0;font-weight:400;box-shadow:none!important}.hero-stats{gap:20px;padding:16px 24px}.tl-header{flex-direction:column;gap:10px}.tl-card{padding:20px}.edu-card{flex-direction:column;align-items:flex-start;padding:24px}.patent-card{padding:24px}.section{padding:72px 0}}@media (max-width:480px){.hero-cta{flex-direction:column;align-items:stretch}.btn{justify-content:center}}