:root{--color-primary: #0A1A2F;--color-secondary: #2E9CCF;--color-accent: #2E9CCF;--color-bg-light: #f8fafc;--color-bg-white: #FFFFFF;--color-text-dark: #0A1A2F;--color-text-light: #FFFFFF;--color-text-muted: #64748B;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--font-family-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 18px 40px rgba(0, 0, 0, .18);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out}@media (prefers-reduced-motion: 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var(--transition-base)}a:hover{color:var(--color-accent)}a:focus{outline:2px solid var(--color-accent);outline-offset:2px}ul,ol{margin-left:var(--spacing-lg);margin-bottom:var(--spacing-md)}li{margin-bottom:var(--spacing-sm)}code{font-family:Monaco,Courier New,monospace;font-size:.9em;background-color:var(--color-bg-light);padding:2px 6px;border-radius:var(--radius-sm)}button{font-family:var(--font-family-sans);font-size:var(--font-size-base);padding:var(--spacing-md) var(--spacing-lg);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base)}button:focus{outline:2px solid var(--color-accent);outline-offset:2px}.btn-primary:hover{background-color:var(--color-accent);box-shadow:var(--shadow-md)}.btn-secondary:hover{background-color:var(--color-text-dark);box-shadow:var(--shadow-md)}.container{max-width:1280px;margin:0 auto;padding:0 var(--spacing-md);width:100%}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-col{flex-direction:column}header{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee;z-index:100}.container{width:min(1200px,90%);margin:0 auto}nav{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;padding:20px 0}.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:20px 0}.nav-brand{display:flex;align-items:center;text-decoration:none;transition:transform var(--transition-base)}.nav-brand:hover{transform:scale(1.05)}.nav-brand-img{height:144px;width:144px;border-radius:50%;object-fit:cover;box-shadow:0 2px 8px #0000001a}.nav-menu{display:flex;list-style:none;gap:var(--spacing-lg);flex-wrap:wrap}.nav-menu a{color:var(--color-text-dark);text-decoration:none;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:color var(--transition-base);padding:var(--spacing-sm) 0}.nav-menu a:hover,.nav-menu a.active{color:var(--color-secondary)}.nav-actions{display:flex;gap:var(--spacing-lg);align-items:center;list-style:none}.lang-toggle{display:flex;gap:var(--spacing-sm);background-color:var(--color-bg-light);border-radius:var(--radius-md);padding:var(--spacing-sm)}.lang-toggle button{background-color:transparent;color:var(--color-text-dark);font-size:var(--font-size-sm);padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base);font-weight:var(--font-weight-medium)}.lang-toggle button.active,.lang-toggle button:hover{background-color:var(--color-secondary);color:#fff}.nav-actions a{color:var(--color-text-dark);text-decoration:none;font-weight:var(--font-weight-medium);transition:color var(--transition-base)}.nav-actions a:hover{color:var(--color-secondary)}.hero{background:var(--color-bg-light);padding:80px 0}.hero-content{max-width:800px;margin:0 auto}.hero h1{color:var(--color-text-dark);font-size:var(--font-size-4xl);margin-bottom:var(--spacing-md);line-height:1.2}.hero .subtitle{font-size:var(--font-size-xl);color:var(--color-secondary);font-weight:var(--font-weight-medium);margin-bottom:var(--spacing-lg)}.hero .expertise{display:flex;flex-wrap:wrap;gap:var(--spacing-md);justify-content:center;margin-bottom:var(--spacing-2xl);font-size:var(--font-size-sm)}.hero .expertise-item{background-color:#fff;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);box-shadow:var(--shadow-md);font-weight:var(--font-weight-medium)}.hero-actions{display:flex;gap:var(--spacing-lg);justify-content:center;flex-wrap:wrap}.hero-actions button{min-width:180px}section{padding:80px 0}section.light{background-color:var(--color-bg-light)}section h2{text-align:center;font-size:var(--font-size-3xl);margin-bottom:40px;color:var(--color-text-dark);position:relative;padding-bottom:var(--spacing-lg)}section h2:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:60px;height:3px;background-color:var(--color-secondary);border-radius:var(--radius-md)}section h2.left{text-align:left;padding-bottom:var(--spacing-lg)}section h2.left:after{left:0;transform:none}.profile-content{max-width:800px;margin:0 auto;font-size:var(--font-size-lg);line-height:var(--line-height-relaxed);color:var(--color-text-dark)}.skills-grid{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}.skill-card{background-color:var(--color-bg-light);padding:24px;border-radius:var(--radius-xl);width:300px;box-shadow:var(--shadow-md);transition:all var(--transition-base);text-align:center}.skill-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.skill-card h3{color:var(--color-secondary);margin-bottom:var(--spacing-md);font-size:var(--font-size-xl)}.skill-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);justify-content:center}.skill-tag{background-color:#fff;color:var(--color-text-dark);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.timeline{position:relative;padding:var(--spacing-lg) 0}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background-color:var(--color-secondary)}.timeline-item{margin-left:var(--spacing-2xl);margin-bottom:var(--spacing-2xl);padding-left:var(--spacing-lg);position:relative}.timeline-item:before{content:"";position:absolute;left:calc(-1.25rem - 5px);top:var(--spacing-md);width:12px;height:12px;background-color:var(--color-secondary);border-radius:50%;border:3px solid white;box-shadow:0 0 0 2px var(--color-secondary)}.timeline-date{font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:var(--font-weight-medium);margin-bottom:var(--spacing-sm)}.timeline-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-dark);margin-bottom:var(--spacing-sm)}.timeline-subtitle{font-size:var(--font-size-base);color:var(--color-secondary);margin-bottom:var(--spacing-md);font-weight:var(--font-weight-medium)}.timeline-description{color:var(--color-text-dark);margin-bottom:var(--spacing-md);line-height:1.6}.timeline-location{font-size:var(--font-size-sm);color:var(--color-text-muted)}.projects-grid{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));max-width:1400px;margin:0 auto}.project-card{background-color:#fff;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);transition:all var(--transition-base);display:flex;flex-direction:column;padding:var(--spacing-2xl);border:1px solid var(--color-border)}.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-secondary)}.project-title{color:var(--color-primary);margin-bottom:var(--spacing-md);font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold)}.project-meta{display:flex;justify-content:space-between;margin-bottom:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-muted)}.project-description{color:var(--color-text-dark);margin-bottom:var(--spacing-lg);font-size:var(--font-size-base);line-height:1.6}.tech-tag{display:inline-block;padding:.25rem .75rem;background-color:var(--color-secondary);color:#fff;border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium)}.project-links{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border)}.project-links a,.btn-link{display:inline-flex;align-items:center;padding:.5rem 1rem;background-color:var(--color-primary);color:#fff;text-decoration:none;border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:background-color var(--transition-base)}.project-links a:hover,.btn-link:hover{background-color:var(--color-primary-dark, #051628)}.certifications-grid{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:40px}.cert-card{display:flex;flex-direction:column;align-items:center;text-align:center}.cert-icon{font-size:2rem;margin-bottom:var(--spacing-md)}.cert-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-dark);margin-bottom:var(--spacing-sm)}.cert-meta{font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:var(--font-weight-medium)}.education-grid{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}.education-card{background-color:var(--color-bg-white);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-md);width:300px;text-align:center}.education-card h3{color:var(--color-secondary);margin-bottom:var(--spacing-sm);font-size:var(--font-size-lg)}.education-institution{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-bottom:var(--spacing-sm);font-weight:var(--font-weight-medium)}.education-date{font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:var(--font-weight-medium)}.education-details{margin-top:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-dark)}.contact-section{background:var(--color-bg-light);padding:80px 0;text-align:center}.contact-section h2{color:var(--color-text-dark)}.contact-content{max-width:600px;margin:0 auto}.contact-description{font-size:var(--font-size-lg);margin-bottom:var(--spacing-2xl);line-height:var(--line-height-relaxed)}.contact-email{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-xl)}.contact-email a{color:var(--color-secondary);text-decoration:none;font-weight:var(--font-weight-semibold)}.contact-email a:hover{opacity:.8}.contact-links{display:flex;gap:var(--spacing-lg);justify-content:center;flex-wrap:wrap}.contact-links a{color:var(--color-text-dark);text-decoration:none;font-size:var(--font-size-base);transition:color var(--transition-base);padding:var(--spacing-md);font-weight:var(--font-weight-medium)}.contact-links a:hover{color:var(--color-secondary)}footer{background:#fff;border-top:1px solid #eee;padding:40px 0;text-align:center;font-size:var(--font-size-sm)}footer p{margin-bottom:var(--spacing-sm)}footer a{color:var(--color-secondary);text-decoration:none}footer a:hover{text-decoration:underline}button{font-family:var(--font-family-sans);font-size:var(--font-size-base);padding:12px 24px;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);font-weight:var(--font-weight-semibold)}button:focus{outline:2px solid var(--color-secondary);outline-offset:2px}.btn-primary{background-color:var(--color-secondary);color:var(--color-text-light)}.btn-primary:hover{background-color:#2680b8;box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--color-primary);color:var(--color-text-light)}.btn-secondary:hover{background-color:#051628;box-shadow:var(--shadow-md)}.btn-outline{background-color:transparent;color:var(--color-secondary);border:2px solid var(--color-secondary)}.btn-outline:hover{background-color:var(--color-secondary);color:var(--color-text-light)}img{max-width:100%;height:auto;display:block}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-secondary);color:var(--color-text-light);padding:var(--spacing-md);text-decoration:none;z-index:100}.skip-link:focus{top:0}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mt-lg{margin-top:var(--spacing-lg)}.mt-2xl{margin-top:var(--spacing-2xl)}@media (max-width: 1023px){:root{--font-size-4xl: 2rem;--font-size-3xl: 1.5rem}section{padding:60px 0}.hero{padding:60px 0}.hero h1{font-size:var(--font-size-3xl)}.hero .subtitle{font-size:var(--font-size-lg)}.hero-actions{gap:var(--spacing-md)}.hero-actions button{min-width:140px;padding:var(--spacing-md) var(--spacing-lg)}.nav-menu{gap:var(--spacing-md)}.nav-menu a{font-size:var(--font-size-xs)}.skills-grid{flex-direction:column;align-items:center}.skill-card{width:100%;max-width:400px}.projects-grid{grid-template-columns:1fr;max-width:100%}.project-card{width:100%;max-width:none}.certifications-grid{flex-direction:row;gap:var(--spacing-2xl)}.education-grid{flex-direction:column;align-items:center}.education-card{width:100%;max-width:400px}.hero .expertise{font-size:var(--font-size-xs);gap:var(--spacing-sm)}.hero .expertise-item{padding:var(--spacing-xs) var(--spacing-sm)}section h2{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-2xl)}}@media (max-width: 767px){:root{--spacing-3xl: 2rem;--font-size-4xl: 1.75rem;--font-size-3xl: 1.25rem;--font-size-2xl: 1.125rem}body{font-size:var(--font-size-base)}section{padding:40px 0}.container{width:min(600px,90%)}header{padding:var(--spacing-md) 0}nav{flex-direction:column;gap:var(--spacing-md)}.nav-inner{flex-direction:column;gap:var(--spacing-md)}.nav-brand-img{height:120px;width:120px}.nav-menu{flex-direction:column;gap:var(--spacing-md);width:100%}.nav-menu a{font-size:var(--font-size-sm);padding:var(--spacing-md) 0;display:block}.nav-actions{width:100%;justify-content:space-between;flex-wrap:wrap}.hero{padding:40px 0}.hero h1{font-size:var(--font-size-3xl)}.hero .subtitle{font-size:var(--font-size-base)}.hero-actions{flex-direction:column;gap:var(--spacing-md)}.hero-actions button{width:100%;min-width:unset}.hero .expertise{flex-direction:column;gap:var(--spacing-sm);font-size:var(--font-size-xs)}.hero .expertise-item{padding:var(--spacing-sm) var(--spacing-md)}section h2{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-lg)}section h2:after{width:40px}.profile-content{font-size:var(--font-size-base);line-height:var(--line-height-normal)}.skills-grid{flex-direction:column;gap:var(--spacing-md);align-items:center}.skill-card{width:100%;padding:var(--spacing-lg)}.skill-tags{gap:var(--spacing-xs);flex-direction:column}.skill-tag{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs)}.timeline{padding-left:0}.timeline:before{left:calc(var(--spacing-sm) - 1px)}.timeline-item{margin-left:0;padding-left:var(--spacing-lg)}.timeline-item:before{left:calc(-.75rem - 5px)}.timeline-title{font-size:var(--font-size-lg)}.projects-grid{flex-direction:column;gap:var(--spacing-md);align-items:center}.project-card{width:100%}.project-header,.project-body{padding:var(--spacing-lg)}.certifications-grid{flex-direction:column;gap:var(--spacing-md);align-items:center}.cert-card{padding:var(--spacing-lg)}.education-grid{flex-direction:column;gap:var(--spacing-md);align-items:center}.education-card{width:100%;padding:var(--spacing-lg)}.contact-section{padding:40px 0}.contact-description{font-size:var(--font-size-base);margin-bottom:var(--spacing-lg)}.contact-email{font-size:var(--font-size-lg);margin-bottom:var(--spacing-lg)}.contact-links{flex-direction:column;gap:var(--spacing-md)}.contact-links a{padding:var(--spacing-md)}button{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-sm)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}}@media (max-width: 480px){:root{--font-size-4xl: 1.5rem;--font-size-3xl: 1.125rem;--font-size-2xl: 1rem;--font-size-xl: .95rem}.container{width:min(400px,90%)}.nav-brand{font-size:var(--font-size-lg)}.hero h1{font-size:var(--font-size-2xl)}button{padding:var(--spacing-md) var(--spacing-md);font-size:var(--font-size-xs)}.lang-toggle{flex-direction:column;width:100%}.lang-toggle button{flex:1}.contact-links{flex-direction:column}.contact-links a{padding:var(--spacing-md) var(--spacing-sm);font-size:var(--font-size-xs)}.skill-card,.project-card,.education-card{width:100%;max-width:100%}.timeline-item{margin-left:0;padding-left:var(--spacing-lg)}section h2{font-size:var(--font-size-xl)}}