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3.5rem);--line-height-tight:1.15;--line-height-normal:1.5;--line-height-relaxed:1.7;--color-bg:#070b12;--color-bg-elevated:#0d1420;--color-bg-subtle:#141c2b;--color-border:#1e2a3c;--color-text:#e8eef7;--color-text-secondary:#9db0c9;--color-text-muted:#7a8fa8;--color-text-inverse:#041016;--color-primary:#2dd4bf;--color-primary-hover:#5eead4;--color-primary-subtle:#2dd4bf1f;--color-primary-ring:#2dd4bf59;--color-success:#34d399;--color-success-subtle:#34d3991f;--color-error:#f87171;--color-error-subtle:#f871711f;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--duration-normal:.32s;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-full:9999px;--shadow-md:0 8px 32px #00000059;--duration-fast:.16s;--ease-out:cubic-bezier(.16, 1, .3, 1);--container-narrow:720px;--container-wide:1100px;--nav-height:4rem;--focus-ring:0 0 0 3px 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vt-fade-in{0%{opacity:0}}body{min-width:320px;min-height:100dvh;font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text);background-color:var(--color-bg);background-image:var(--hero-glow);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;background-attachment:scroll;margin:0}body.nav-lock{overflow:hidden}@media (width>=768px){body{background-attachment:fixed}}#root{border-radius:50px;min-height:100vh}:focus-visible{box-shadow:var(--focus-ring);outline:none}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.02em;font-weight:600}.layout{flex-direction:column;min-height:100vh;display:flex}.navbar{z-index:50;border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-bg) 88%, 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var(--color-border);border-radius:var(--radius-full);background:var(--color-bg-elevated);color:var(--color-text-secondary);font:inherit;font-size:var(--font-size-sm);cursor:pointer;transition:color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);margin:0;font-weight:500;display:inline-flex}.theme-toggle:hover{color:var(--color-text);border-color:var(--color-primary);background:var(--color-primary-subtle)}.theme-toggle__icon{font-size:1rem;line-height:1}.nav-toggle{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-elevated);width:44px;height:44px;color:var(--color-text);cursor:pointer;justify-content:center;align-items:center;margin:0;padding:0;display:none}.nav-toggle__bars,.nav-toggle__bars:before,.nav-toggle__bars:after{border-radius:var(--radius-full);width:1.125rem;height:2px;transition:transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);background:currentColor;display:block}.nav-toggle__bars{position:relative}.nav-toggle__bars:before,.nav-toggle__bars:after{content:"";position:absolute;left:0}.nav-toggle__bars:before{top:-6px}.nav-toggle__bars:after{top:6px}.navbar--open .nav-toggle__bars{background:0 0}.navbar--open .nav-toggle__bars:before{top:0;transform:rotate(45deg)}.navbar--open .nav-toggle__bars:after{top:0;transform:rotate(-45deg)}.nav-panel{display:block}.nav-links{gap:var(--space-1);padding:0 var(--space-6) var(--space-3);margin:0;list-style:none;display:flex}.nav-links a{min-height:44px;padding:var(--space-2) var(--space-3);color:var(--color-text-secondary);font-weight:500;font-size:var(--font-size-sm);transition:color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);border-bottom:2px solid #0000;align-items:center;text-decoration:none;display:inline-flex}.nav-links a:hover{color:var(--color-text)}.nav-links a.active{color:var(--color-primary);border-bottom-color:var(--color-primary);background:0 0}.nav-backdrop{display:none}.nav-end{align-items:center;gap:var(--space-3);display:flex}.app{width:min(var(--container-narrow), 100%);padding:var(--space-16) var(--space-6) var(--space-20);padding-left:max(var(--space-6), env(safe-area-inset-left,0px));padding-right:max(var(--space-6), env(safe-area-inset-right,0px));padding-bottom:max(var(--space-20), env(safe-area-inset-bottom,0px));flex:1;margin:0 auto}.app--wide{width:min(var(--container-wide), 100%);padding-top:var(--space-12)}.page{gap:var(--space-12);display:grid}@media (prefers-reduced-motion:no-preference){.page>*{animation:fade-up var(--duration-normal) var(--ease-out) 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#00000059;isolation:isolate;background:#fff;border-radius:50%;flex:none;place-items:center;display:grid;overflow:hidden}.profile-photo picture{border-radius:50%;width:100%;height:100%;display:block;overflow:hidden}.profile-photo__img{object-fit:cover;object-position:center 12%;border-radius:50%;width:100%;height:100%;display:block}.profile-photo--sm{width:4.5rem;height:4.5rem}.profile-photo--md{width:7rem;height:7rem}.profile-photo--lg{width:10rem;height:10rem}@media (width>=640px){.profile-photo--lg{width:11.5rem;height:11.5rem}}.hero__brand{margin:0 0 var(--space-4);font-family:var(--font-display);font-size:var(--font-size-sm);letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary);font-weight:600}.hero h1{margin:0 0 var(--space-4);font-size:var(--font-size-4xl);line-height:var(--line-height-tight);color:var(--color-text)}.hero__lead{max-width:36rem;color:var(--color-text-secondary);font-size:var(--font-size-lg);line-height:var(--line-height-relaxed);margin:0}.hero__meta{margin:var(--space-4) 0 0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.badge{margin-bottom:var(--space-4);padding:.35rem var(--space-3);border-radius:var(--radius-full);background:var(--color-primary-subtle);color:var(--color-primary);font-size:var(--font-size-sm);font-weight:600;display:inline-block}.card{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-elevated);box-shadow:none;transition:border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out)}@media (prefers-reduced-motion:no-preference){.card--interactive:hover,.card--interactive:focus-within{border-color:color-mix(in srgb, var(--color-primary) 40%, var(--color-border));box-shadow:var(--shadow-md);transform:translateY(-2px)}}.card h2{margin:0 0 var(--space-4);font-size:var(--font-size-xl)}.card p,.card li{color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.card ul{margin:0;padding-left:1.25rem}.grid-2{gap:var(--space-4);display:grid}@media (width>=768px){.grid-2{grid-template-columns:repeat(2,1fr)}}.highlight-grid{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}@media (width>=768px){.highlight-grid{grid-template-columns:repeat(2,1fr)}}.highlight-card{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-subtle);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);transition:border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);margin:0}.highlight-card:before{content:"";width:1.5rem;height:2px;margin-bottom:var(--space-3);background:var(--color-primary);border-radius:var(--radius-full);display:block}@media (prefers-reduced-motion:no-preference){.highlight-card:hover{border-color:color-mix(in srgb, var(--color-primary) 45%, var(--color-border));background:color-mix(in srgb, var(--color-primary) 6%, var(--color-bg-subtle));transform:translateY(-2px)}}.skill-panel{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-subtle);transition:border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out)}.skill-panel h3{font-size:var(--font-size-base);color:var(--color-text);margin:0}@media (prefers-reduced-motion:no-preference){.skill-panel:hover{border-color:color-mix(in srgb, var(--color-primary) 40%, var(--color-border));transform:translateY(-2px);box-shadow:0 8px 24px #0000002e}}.stack-list{gap:var(--space-2);margin-top:var(--space-4);flex-wrap:wrap;display:flex}.chip{border-radius:var(--radius-full);background:var(--color-primary-subtle);color:var(--color-primary);font-size:var(--font-size-sm);transition:background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);padding:.25rem .625rem;font-weight:500}@media (prefers-reduced-motion:no-preference){.skill-panel:hover .chip,.chip:hover{background:color-mix(in srgb, var(--color-primary) 22%, transparent);transform:translateY(-1px)}}.chip--muted{background:var(--color-bg-subtle);color:var(--color-text-muted);font-weight:500}.experience-item{margin-bottom:var(--space-6)}.experience-item:last-child{margin-bottom:0}.section-lead{margin:0 0 var(--space-4);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.credential-list{gap:var(--space-4);margin:0;padding:0;list-style:none;display:grid}.credential-item{justify-content:space-between;align-items:flex-start;gap:var(--space-4);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-subtle);transition:border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);flex-wrap:wrap;display:flex}@media (prefers-reduced-motion:no-preference){.credential-item:hover{border-color:color-mix(in srgb, var(--color-primary) 40%, var(--color-border));transform:translateY(-1px)}}.credential-item p{margin:var(--space-2) 0 0;color:var(--color-text-secondary)}.credential-link{color:var(--color-primary);white-space:nowrap;font-weight:600;text-decoration:none}.credential-link:hover{text-decoration:underline}.course-groups{gap:var(--space-6);display:grid}.course-group h3{margin:0 0 var(--space-3);font-size:var(--font-size-lg)}.course-group ul{gap:var(--space-2);margin:0;padding-left:1.25rem;display:grid}.course-group li{color:var(--color-text-secondary);line-height:var(--line-height-relaxed);align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.source-note{margin:var(--space-6) 0 0;font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:var(--line-height-relaxed)}.cta-row{justify-content:flex-start;align-items:center;gap:var(--space-3);margin-top:var(--space-8);flex-wrap:wrap;display:flex}.button-link,.btn{justify-content:center;align-items:center;gap:var(--space-2);box-sizing:border-box;border-radius:var(--radius-md);background:var(--color-primary);min-height:2.75rem;color:var(--color-text-inverse);font:inherit;font-size:var(--font-size-base);white-space:nowrap;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);border:1px solid #0000;padding:.75rem 1.25rem;font-weight:600;line-height:1.25;text-decoration:none;display:inline-flex}.button-link:hover,.btn:hover:not(:disabled){background:var(--color-primary-hover)}@media (prefers-reduced-motion:no-preference){.button-link:hover,.btn:hover:not(:disabled){transform:translateY(-1px)}}.button-link.secondary,.btn--secondary{color:var(--color-primary);border-color:color-mix(in srgb, var(--color-primary) 55%, var(--color-border));background:0 0}.button-link.secondary:hover,.btn--secondary:hover:not(:disabled){background:var(--color-primary-subtle);color:var(--color-primary);border-color:var(--color-primary)}.btn:disabled{opacity:.65;cursor:not-allowed}.project-card h3{margin:0 0 var(--space-2);font-size:var(--font-size-lg)}.project-card a{color:var(--color-primary);font-weight:600;text-decoration:none}.project-card a:hover{text-decoration:underline}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.section-heading{margin:0 0 var(--space-6);font-size:var(--font-size-xl);color:var(--color-text)}.project-feature{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-elevated);transition:border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out)}@media (prefers-reduced-motion:no-preference){.project-feature:hover{border-color:color-mix(in srgb, var(--color-primary) 40%, var(--color-border))}}.project-feature--primary{padding:var(--space-8);border-color:color-mix(in srgb, var(--color-primary) 35%, var(--color-border));background:linear-gradient(160deg, color-mix(in srgb, var(--color-primary) 8%, var(--color-bg-elevated)), var(--color-bg-elevated) 45%)}.project-feature__label{margin:0 0 var(--space-3);font-size:var(--font-size-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary);font-weight:600}.project-feature__title{margin:0 0 var(--space-2);font-size:var(--font-size-2xl)}.project-feature--primary .project-feature__title{font-size:clamp(1.5rem,3vw,2rem)}.project-feature__title a{color:var(--color-text);text-decoration:none}.project-feature__title a:hover{color:var(--color-primary)}.project-feature__tagline{margin:0 0 var(--space-4);color:var(--color-text);font-size:var(--font-size-lg);font-weight:500;line-height:var(--line-height-relaxed)}.project-feature__desc,.project-feature__impact{margin:0 0 var(--space-4);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.project-feature__impact{padding:var(--space-3) var(--space-4);border-left:2px solid var(--color-primary);background:var(--color-primary-subtle);color:var(--color-text);font-size:var(--font-size-sm)}.project-feature__link{margin-top:var(--space-6);color:var(--color-primary);font-weight:600;text-decoration:none;display:inline-flex}.project-feature__link:hover{text-decoration:underline}.project-feature-grid{gap:var(--space-4);display:grid}@media (width>=768px){.project-feature-grid{grid-template-columns:repeat(2,1fr)}}.project-list{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-elevated);gap:0;display:grid;overflow:hidden}.project-row{gap:var(--space-3);padding:var(--space-5) var(--space-6);border-bottom:1px solid var(--color-border);transition:background-color var(--duration-fast) var(--ease-out);align-items:center;display:grid}.project-row:last-child{border-bottom:none}@media (prefers-reduced-motion:no-preference){.project-row:hover{background:var(--color-bg-subtle)}}.project-row__main h3{margin:0 0 var(--space-2);font-size:var(--font-size-base)}.project-row__main h3 a{color:var(--color-text);text-decoration:none}.project-row__main h3 a:hover{color:var(--color-primary)}.project-row__main p{color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed);margin:0}.project-row__stack{gap:var(--space-2);flex-wrap:wrap;display:flex}.project-row__link{color:var(--color-primary);font-weight:600;font-size:var(--font-size-sm);white-space:nowrap;text-decoration:none}.project-row__link:hover{text-decoration:underline}@media (width>=768px){.project-row{gap:var(--space-4);grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) auto}}.contact-grid{gap:var(--space-6);display:grid}@media (width>=900px){.contact-grid{grid-template-columns:1.2fr .8fr}}.form-field{gap:var(--space-2);display:grid}.form-field label{color:var(--color-text);font-weight:500}.form-field input,.form-field select,.form-field textarea{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;color:var(--color-text);background:var(--color-bg-elevated)}.form-field select{appearance:none;padding-right:calc(var(--space-4) + 1.5rem);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239db0c9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-4) center;cursor:pointer;background-size:1rem}@media (prefers-color-scheme:light){.form-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c6f86' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E")}}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:2px solid var(--color-primary-ring);border-color:var(--color-primary)}.form-status{margin-top:var(--space-4);padding:var(--space-3);border-radius:var(--radius-md)}.form-status--success{background:var(--color-success-subtle);color:var(--color-success)}.form-status--error{background:var(--color-error-subtle);color:var(--color-error)}.info-list{gap:var(--space-4);margin:0;padding:0;list-style:none;display:grid}.info-list a{color:var(--color-primary);text-decoration:none}.footer{padding:var(--space-8) var(--space-6);padding-bottom:max(var(--space-8), env(safe-area-inset-bottom,0px));border-top:1px solid var(--color-border);background:var(--color-bg-elevated);margin-top:auto}.footer-content{width:min(var(--container-wide), 100%);margin:0 auto var(--space-4);justify-content:space-between;gap:var(--space-6);flex-wrap:wrap;display:flex}.footer-links{gap:var(--space-4);flex-wrap:wrap;display:flex}.footer-links a{color:var(--color-primary);align-items:center;min-height:44px;font-weight:500;text-decoration:none;display:inline-flex}.footer-copy{color:var(--color-text-muted);font-size:var(--font-size-sm);margin:0}@media (width>=768px){.navbar{align-items:center;gap:var(--space-4);display:flex}.navbar__bar{flex:none}.nav-panel{justify-content:flex-end;align-items:center;gap:var(--space-3);padding:0 var(--space-6) 0 0;flex:1;display:flex}.nav-links{padding:0}.nav-toggle,.nav-backdrop{display:none}}@media (width<=767px){.nav-toggle{display:inline-flex}.nav-panel{border-top:1px solid var(--color-border);background:var(--color-bg-elevated);padding:var(--space-2) var(--space-4) var(--space-4);padding-bottom:max(var(--space-4), env(safe-area-inset-bottom,0px));display:none}.navbar--open .nav-panel{gap:var(--space-3);display:grid}.nav-links{flex-direction:column;gap:0;padding:0}.nav-links a{width:100%;min-height:48px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--font-size-base);border-bottom:none}.nav-links a.active{background:var(--color-primary-subtle);border-bottom-color:#0000}.theme-toggle{width:100%;min-height:48px;padding-inline:var(--space-4);justify-content:flex-start}.nav-backdrop{z-index:40;cursor:pointer;background:#00000073;border:0;margin:0;padding:0;display:block;position:fixed;inset:0}.navbar{z-index:50}.app{padding-top:var(--space-8);padding-bottom:max(var(--space-12), env(safe-area-inset-bottom,0px))}.page{gap:var(--space-8)}.hero--home{min-height:auto;padding-bottom:var(--space-4)}.hero__intro,.hero--about{text-align:center;align-items:center;gap:var(--space-5);flex-direction:column}.hero__copy{flex-basis:auto;width:100%}.hero h1{font-size:clamp(1.65rem,7.5vw,2.25rem)}.hero__lead{font-size:var(--font-size-base);margin-inline:auto}.hero__meta{max-width:22rem;margin-inline:auto}.cta-row{justify-content:center}.button-link,.btn{justify-content:center;width:100%;max-width:20rem;min-height:44px}.card{padding:var(--space-5)}.profile-photo--lg{width:8.5rem;height:8.5rem}.footer-content{gap:var(--space-4);flex-direction:column}.footer-links{gap:var(--space-2) var(--space-4)}}