:root{--color-bg:#0f172a;--color-text-primary:#f1f5f9;--color-text-secondary:#94a3b8;--color-accent:#38bdf8;--color-surface:#1e293b;--color-border:#334155;--color-hero-overlay:rgba(15, 23, 42, 0.7);--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:2rem;--space-xl:4rem;--font-body:system-ui,-apple-system,sans-serif;--font-mono:ui-monospace,monospace;--nav-height:3.5rem}*,::after,::before{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;margin-top:0}h2{font-size:clamp(1.5rem, 4vw, 2.25rem);margin-bottom:var(--space-lg);text-align:center}section{padding:var(--space-xl) var(--space-md)}.container{max-width:72rem;margin:0 auto;padding:0 var(--space-md)}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}.nav{position:sticky;top:0;z-index:100;background-color:rgba(15,23,42,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);height:var(--nav-height)}.nav__inner{max-width:72rem;margin:0 auto;padding:0 var(--space-md);display:flex;align-items:center;height:100%;gap:var(--space-md)}.nav__brand{font-weight:700;font-size:1.25rem;color:var(--color-accent);margin-right:auto}.nav__links{display:none;gap:var(--space-md)}.nav__link{color:var(--color-text-secondary);font-size:.875rem;padding:var(--space-xs) var(--space-sm);border-radius:.25rem;transition:color .15s}.nav__link:hover{color:var(--color-text-primary);text-decoration:none}.nav__hamburger{display:flex;flex-direction:column;gap:4px;background:0 0;border:none;cursor:pointer;padding:var(--space-sm);min-width:44px;min-height:44px;align-items:center;justify-content:center}.nav__hamburger-line{display:block;width:20px;height:2px;background-color:var(--color-text-primary);transition:transform .2s,opacity .2s}.nav__theme-toggle{background:0 0;border:1px solid var(--color-border);border-radius:.375rem;cursor:pointer;padding:var(--space-xs) var(--space-sm);min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;color:var(--color-text-primary);font-size:1.125rem}.nav__theme-icon::after{content:'🌙'}.nav__menu-overlay{position:fixed;inset:0;z-index:200;background-color:rgba(15,23,42,.95);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center}.nav__menu-overlay[hidden]{display:none}.nav__menu-inner{display:flex;flex-direction:column;gap:var(--space-lg);text-align:center}.nav__menu-inner .nav__link{font-size:1.25rem;color:var(--color-text-primary);display:block;padding:var(--space-sm) var(--space-md);min-height:44px;display:flex;align-items:center;justify-content:center}.nav__menu-close{background:0 0;border:none;color:var(--color-text-secondary);font-size:2rem;cursor:pointer;padding:var(--space-sm);min-width:44px;min-height:44px;align-self:center}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background-color:var(--color-bg);padding:var(--space-xl) var(--space-md);overflow:hidden}.hero__bg{position:absolute;inset:0;z-index:0}.hero__bg-img{width:100%;height:100%;object-fit:cover}.hero__overlay{position:absolute;inset:0;z-index:1;background-color:var(--color-hero-overlay)}.hero__content{position:relative;z-index:2;max-width:48rem}.hero__name{font-size:clamp(2rem, 8vw, 4rem);margin-bottom:var(--space-sm)}.hero__tagline{font-size:clamp(1rem, 3vw, 1.5rem);color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.hero__cta{display:inline-block;padding:.75rem 2rem;background-color:var(--color-accent);color:var(--color-bg);border-radius:.375rem;font-weight:600;font-size:1rem;transition:opacity .15s}.hero__cta:hover{opacity:.9;text-decoration:none}.about{max-width:72rem;margin:0 auto}.about__inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.about__photo-wrap{flex-shrink:0}.about__photo{width:200px;height:200px;object-fit:cover;border-radius:50%;border:3px solid var(--color-border)}.about__text h2{text-align:left}.about__text p{color:var(--color-text-secondary);margin-bottom:var(--space-md)}.skills{max-width:72rem;margin:0 auto}.skills__categories{display:flex;flex-direction:column;gap:var(--space-lg)}.skills__group h3{font-size:1.125rem;color:var(--color-accent);margin-bottom:var(--space-md)}.skills__grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-sm)}.skills__item{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:.375rem;padding:var(--space-sm) var(--space-md);text-align:center;font-size:.875rem}.skills__name{color:var(--color-text-primary)}.experience{max-width:72rem;margin:0 auto}.timeline{position:relative;padding-left:2rem}.timeline::before{content:'';position:absolute;left:.5rem;top:0;bottom:0;width:2px;background-color:var(--color-border)}.timeline__entry{position:relative;margin-bottom:var(--space-lg)}.timeline__dot{position:absolute;left:calc(-2rem + .25rem);top:.375rem;width:.75rem;height:.75rem;border-radius:50%;background-color:var(--color-accent);border:2px solid var(--color-bg)}.timeline__content{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:.5rem;padding:var(--space-md)}.timeline__title{font-size:1.125rem;margin-bottom:var(--space-xs)}.timeline__org{color:var(--color-accent);font-size:.875rem;margin:0 0 var(--space-xs)}.timeline__date{display:block;font-size:.8125rem;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.timeline__desc{color:var(--color-text-secondary);font-size:.875rem;margin:0}.contact{max-width:72rem;margin:0 auto;text-align:center}.contact__inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.contact__email-wrap{margin:0}.contact__email{font-size:1.125rem}.contact__email-text{unicode-bidi:bidi-override}.contact__social{display:flex;gap:var(--space-md)}.contact__social-link{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:var(--space-sm) var(--space-md);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:.375rem;font-size:.875rem;transition:border-color .15s}.contact__social-link:hover{border-color:var(--color-accent);text-decoration:none}.footer{text-align:center;padding:var(--space-lg) var(--space-md);border-top:1px solid var(--color-border);color:var(--color-text-secondary);font-size:.8125rem}.projects{max-width:72rem;margin:0 auto}.projects__grid{display:grid;grid-template-columns:1fr;gap:var(--space-lg)}.project__card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:.5rem;padding:var(--space-lg);transition:border-color .15s}.project__card:hover{border-color:var(--color-accent)}.project__title{font-size:1.125rem;margin-bottom:var(--space-sm)}.project__desc{color:var(--color-text-secondary);font-size:.875rem;margin-bottom:var(--space-md)}.project__tags{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin-bottom:var(--space-md)}.project__tag{background-color:var(--color-bg);color:var(--color-accent);padding:var(--space-xs) var(--space-sm);border-radius:9999px;font-size:.75rem;font-family:var(--font-mono)}.project__links{display:flex;gap:var(--space-sm)}.project__link{display:inline-flex;align-items:center;min-height:44px;padding:var(--space-sm) var(--space-md);border:1px solid var(--color-accent);border-radius:.375rem;font-size:.875rem;transition:background-color .15s,color .15s}.project__link:hover{background-color:var(--color-accent);color:var(--color-bg);text-decoration:none}@media (min-width:768px){.nav__links{display:flex}.nav__hamburger{display:none}.about__inner{flex-direction:row;align-items:flex-start}.about__photo{width:280px;height:280px}.projects__grid{grid-template-columns:repeat(2,1fr)}.skills__grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}@media (min-width:1280px){.projects__grid{grid-template-columns:repeat(3,1fr)}.about__photo{width:400px;height:400px}}[data-theme=light]{--color-bg:#f8fafc;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-accent:#0284c7;--color-surface:#ffffff;--color-border:#e2e8f0;--color-hero-overlay:rgba(248, 250, 252, 0.6)}[data-theme=light] .nav{background-color:rgba(248,250,252,.85)}[data-theme=light] .nav__theme-icon::after{content:'☀️'}[data-theme=light] .nav__menu-overlay{background-color:rgba(248,250,252,.95)}.animate-in{opacity:0;transform:translateY(1.5rem);transition:opacity .6s ease-out,transform .6s ease-out}.animate-in.visible{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.animate-in{opacity:1;transform:none;transition:none}}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.skip-link{position:absolute;top:-100%;left:var(--space-md);background-color:var(--color-accent);color:var(--color-bg);padding:var(--space-sm) var(--space-md);border-radius:0 0 .375rem .375rem;z-index:300;font-weight:600}.skip-link:focus{top:0}@media (forced-colors:active){.hero__cta,.nav__theme-toggle,.project__link{border:1px solid ButtonText}.timeline__dot{background-color:Highlight}.timeline::before{background-color:ButtonText}}