:root{--color-bg: #ffffff;--color-bg-alt: #f8f9fa;--color-accent: #1b4f8a;--color-accent-hover: #153d6b;--color-text: #1a1a1a;--color-text-muted: #5a6272;--color-border: #e2e6ea;--color-contact-bg: #111318;--color-contact-text: #e8eaf0;--font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;--font-mono: "IBM Plex Mono", "Courier New", monospace;--nav-height: 64px;--section-padding: 96px;--container-width: 900px;--container-padding: 24px;--radius: 4px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:1rem;font-weight:400;line-height:1.65;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4{overflow-wrap:break-word}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}ul{list-style:none}h1,h2,h3,h4{font-weight:600;line-height:1.2;letter-spacing:-.02em}h1{font-size:clamp(2rem,5vw,3.25rem)}h2{font-size:clamp(1.5rem,3vw,2rem)}h3{font-size:1.125rem;font-weight:500}p{margin-bottom:1rem}p:last-child{margin-bottom:0}em{font-style:italic}code{font-family:var(--font-mono);font-size:.875em;background:var(--color-bg-alt);padding:.1em .35em;border-radius:var(--radius)}.container{width:100%;max-width:var(--container-width);margin-inline:auto;padding-inline:var(--container-padding)}.section{padding-block:var(--section-padding);background-color:var(--color-bg)}.section-alt{background-color:var(--color-bg-alt)}.section-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:600;letter-spacing:-.02em;margin-bottom:48px;color:var(--color-text)}.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}.reveal.visible{opacity:1;transform:translateY(0)}.nav{position:sticky;top:0;z-index:100;height:var(--nav-height);background-color:#ffffffeb;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--container-width);margin-inline:auto;padding-inline:var(--container-padding)}.nav-logo{font-weight:600;font-size:1rem;color:var(--color-text);letter-spacing:-.01em;white-space:nowrap;text-decoration:none}.nav-logo:hover{color:var(--color-accent);text-decoration:none}.nav-links{display:flex;align-items:center;gap:32px}.nav-links a{font-size:.875rem;font-weight:500;color:var(--color-text-muted);text-decoration:none;transition:color var(--transition);letter-spacing:.01em}.nav-links a:hover{color:var(--color-accent);text-decoration:none}.nav-links a.nav-cta{color:#fff;background:var(--color-accent);border:1px solid var(--color-accent);padding:6px 14px;border-radius:var(--radius);transition:background var(--transition),color var(--transition)}.nav-links a.nav-cta:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover);color:#fff}.hero{padding-block:120px 96px;background-color:var(--color-bg)}.hero-eyebrow{font-family:var(--font-mono);font-size:.8125rem;font-weight:400;color:var(--color-accent);letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}.hero-title{font-size:clamp(2rem,5vw,3.25rem);font-weight:600;letter-spacing:-.03em;line-height:1.1;color:var(--color-text);margin-bottom:24px;max-width:720px}.hero-social{display:flex;gap:16px;align-items:center}.hero-social-link{color:var(--color-text-muted);transition:color var(--transition);display:flex;align-items:center}.hero-social-link:hover{color:var(--color-accent)}.hero-title-line{display:block}.hero-grid{display:grid;grid-template-columns:1fr 280px;grid-template-rows:auto auto auto auto;border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.hero-grid-eyebrow{grid-column:1;grid-row:1;padding:16px 24px;border-bottom:1px solid var(--color-border);border-right:1px solid var(--color-border)}.hero-grid-title{grid-column:1;grid-row:2;padding:24px;border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.hero-grid-photo{grid-column:2;grid-row:1 / 3;display:flex;align-items:center;justify-content:center;padding:24px;border-bottom:1px solid var(--color-border)}.hero-photo{width:100%;max-width:100%;aspect-ratio:1;object-fit:cover;border-radius:24px;border:8px solid var(--color-bg);outline:1px solid var(--color-border);box-shadow:0 0 0 5px var(--color-bg-alt),0 0 0 6px var(--color-border);display:block}.hero-grid-summary{grid-column:1 / 3;grid-row:3;padding:24px;border-bottom:1px solid var(--color-border)}.hero-grid-actions{grid-column:1 / 3;grid-row:4;padding:20px 24px}.hero-summary{font-size:1.0625rem;font-weight:300;line-height:1.7;color:var(--color-text-muted);max-width:620px;margin-bottom:40px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:var(--radius);font-size:.9375rem;font-weight:500;line-height:1;text-decoration:none;cursor:pointer;border:none;transition:background-color var(--transition),color var(--transition),border-color var(--transition),opacity var(--transition);white-space:nowrap}.btn:hover{text-decoration:none}.btn-primary{background-color:var(--color-accent);color:#fff}.btn-primary:hover{background-color:var(--color-accent-hover);color:#fff}.btn-secondary{background-color:transparent;color:var(--color-accent);border:1.5px solid var(--color-accent)}.btn-secondary:hover{background-color:var(--color-accent);color:#fff}.about-block{padding-block:32px;border-top:1px solid var(--color-border)}.about-block:last-child{border-bottom:1px solid var(--color-border)}.statement{font-size:1.125rem;font-weight:600;font-style:italic;color:var(--color-accent);border-left:3px solid var(--color-accent);margin:20px 0 0;padding-left:16px;letter-spacing:-.01em}.about-years{font-family:var(--font-mono);font-size:.75rem;font-weight:400;color:var(--color-text-muted);margin-left:8px}.about-block h3{font-size:.8125rem;font-family:var(--font-mono);font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:16px}.about-block p{font-size:1rem;font-weight:300;line-height:1.75;color:var(--color-text);max-width:720px}.about-block p+p{margin-top:12px}.experience-list{display:flex;flex-direction:column;gap:0}.experience-item{padding-block:36px;border-top:1px solid var(--color-border)}.experience-item:last-child{border-bottom:1px solid var(--color-border)}.experience-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.experience-company{display:block;font-size:1.0625rem;font-weight:600;color:var(--color-text);letter-spacing:-.01em}.experience-role{display:block;font-size:.9375rem;font-weight:400;color:var(--color-text-muted);margin-top:2px}.experience-period{font-family:var(--font-mono);font-size:.8125rem;color:var(--color-text-muted);white-space:nowrap;flex-shrink:0;padding-top:3px}.experience-description{font-size:.9375rem;font-weight:300;line-height:1.7;color:var(--color-text);margin-bottom:16px;max-width:680px}.tags{display:flex;flex-wrap:wrap;gap:6px}.tag{display:inline-block;font-family:var(--font-mono);font-size:.75rem;font-weight:400;color:var(--color-accent);background-color:#1b4f8a14;border:1px solid rgba(27,79,138,.18);padding:3px 10px;border-radius:3px;letter-spacing:.02em}.skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}.skill-group{padding:32px;border-top:1px solid var(--color-border);border-left:1px solid var(--color-border)}.skill-group:nth-child(odd){border-left:none}.skill-group:nth-child(1),.skill-group:nth-child(2){border-top:none}.skill-category{font-size:.8125rem;font-family:var(--font-mono);font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:14px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}.project-card{display:flex;flex-direction:column;gap:12px;padding:28px;background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);transition:border-color var(--transition),box-shadow var(--transition)}.project-card:hover{border-color:var(--color-accent);box-shadow:0 4px 16px #1b4f8a14}.project-header{display:flex;flex-direction:column;gap:4px}.project-name{font-size:1.0625rem;font-weight:600;color:var(--color-text);letter-spacing:-.01em}.project-tagline{font-size:.875rem;font-weight:400;color:var(--color-accent);margin-bottom:0}.project-description{font-size:.9375rem;font-weight:300;line-height:1.65;color:var(--color-text-muted);flex:1;margin-bottom:0}.project-link{display:inline-block;font-size:.875rem;font-weight:500;color:var(--color-accent);text-decoration:none;margin-top:auto;transition:color var(--transition)}.project-link:hover{color:var(--color-accent-hover);text-decoration:underline}.publications-list{display:flex;flex-direction:column}.publication-item{padding-block:28px;border-top:1px solid var(--color-border)}.publication-item:last-child{border-bottom:1px solid var(--color-border)}.publication-title{font-size:1rem;font-weight:500;line-height:1.5;color:var(--color-text);margin-bottom:4px}.publication-journal{font-size:.875rem;font-weight:400;color:var(--color-accent);margin-bottom:4px}.publication-meta{font-size:.8125rem;color:var(--color-text-muted);margin-bottom:0}.contact-section{background-color:var(--color-contact-bg)}.contact-section .section-title{color:var(--color-contact-text)}.contact-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.contact-link{display:inline-flex;align-items:center;padding:10px 22px;border:1.5px solid rgba(232,234,240,.3);border-radius:var(--radius);font-size:.9375rem;font-weight:500;color:var(--color-contact-text);text-decoration:none;transition:border-color var(--transition),background-color var(--transition)}.contact-link:hover{border-color:var(--color-contact-text);background-color:#e8eaf012;text-decoration:none;color:#fff}.contact-form{display:flex;flex-direction:column;gap:12px;max-width:480px}.contact-form input,.contact-form textarea{width:100%;padding:10px 14px;background:#ffffff0d;border:1px solid rgba(232,234,240,.25);border-radius:var(--radius);color:var(--color-contact-text);font-size:.9375rem;transition:border-color var(--transition);resize:vertical}.contact-form input::placeholder,.contact-form textarea::placeholder{color:#e8eaf073}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:#e8eaf099}.contact-form button{align-self:flex-start;padding:10px 28px;background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--radius);font-size:.9375rem;font-weight:500;cursor:pointer;transition:background-color var(--transition),opacity var(--transition)}.contact-form button:hover:not(:disabled){background-color:var(--color-accent-hover)}.contact-form button:disabled{opacity:.6;cursor:not-allowed}.form-error{font-size:.875rem;color:#f87171;margin-bottom:0}.footer{background-color:var(--color-bg-alt);border-top:1px solid var(--color-border);padding-block:28px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}.footer-copy{font-size:.875rem;color:var(--color-text-muted)}.footer-legal{display:flex;gap:20px}.footer-legal a{font-size:.875rem;color:var(--color-text-muted);text-decoration:none;transition:color var(--transition)}.footer-legal a:hover{color:var(--color-text);text-decoration:none}.legal{max-width:var(--container-width);margin-inline:auto;padding:96px var(--container-padding)}.legal h1{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:32px}.legal p{font-size:1rem;font-weight:300;line-height:1.75;color:var(--color-text-muted);max-width:640px;margin-bottom:16px}.legal a{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px}.hamburger-wrapper{display:none;position:relative}.hamburger{display:flex;flex-direction:column;justify-content:space-between;width:26px;height:18px;background:none;border:none;cursor:pointer;padding:0;flex-shrink:0}.hamburger span{display:block;width:100%;height:2px;background-color:var(--color-text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;transform-origin:center}.hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.mobile-menu{position:absolute;top:calc(100% + 12px);right:0;min-width:180px;background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 8px 24px #00000014;overflow:hidden;z-index:200}.mobile-menu li{border-bottom:1px solid var(--color-border)}.mobile-menu li:last-child{border-bottom:none}.mobile-menu a{display:block;padding:13px 20px;font-size:.9375rem;font-weight:500;color:var(--color-text);text-decoration:none;transition:background-color var(--transition)}.mobile-menu a:hover{background-color:var(--color-bg-alt);text-decoration:none}@media (max-width: 1024px){:root{--section-padding: 72px;--container-padding: 32px}.nav-links{gap:24px}.skills-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){:root{--section-padding: 56px;--container-padding: 20px}.hero-grid{grid-template-columns:1fr}.hero-grid-photo{grid-column:1;grid-row:2;border-right:none;border-bottom:1px solid var(--color-border)}.hero-grid-title{grid-row:3;border-right:none}.hero-grid-summary{grid-column:1;grid-row:4}.hero-grid-actions{grid-column:1;grid-row:5}.hamburger-wrapper{display:block}.nav-links{display:none}.hero{padding-block:80px 64px}.hero-actions{flex-direction:column;align-items:flex-start}.experience-header{flex-direction:column;gap:6px}.skills-grid{grid-template-columns:1fr}.skill-group{border-left:none;padding:28px 0}.skill-group:nth-child(1),.skill-group:nth-child(2){border-top:1px solid var(--color-border)}.skill-group:first-child{border-top:none}.projects-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start;gap:12px}.contact-links{flex-direction:column;align-items:flex-start}}@media (max-width: 480px){:root{--section-padding: 48px;--container-padding: 16px;--nav-height: 56px}.nav-logo{font-size:.9375rem}.hero{padding-block:64px 48px}.hero-title{font-size:1.875rem}.hero-summary{font-size:1rem}.btn{width:100%;justify-content:center}.section-title{margin-bottom:32px}.about-block{padding-block:24px}.experience-item{padding-block:28px}.project-card{padding:20px}}.not-found{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;text-align:center;gap:1rem}.not-found-code{font-size:4rem;font-weight:600;color:var(--color-accent)}.not-found-message{font-size:1.25rem;color:var(--color-text-muted)}.not-found-link{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px}.back-to-top{position:fixed;bottom:32px;right:32px;background:var(--color-accent);color:#fff;border:none;width:40px;height:40px;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top:hover{background:var(--color-accent-hover)}.back-to-top:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}