*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1A535C;--color-primary-hover: #15454C;--color-secondary: #F4A261;--color-bg: #FAFAFA;--color-bg-alt: #F0F0F0;--color-text: #2D3436;--color-text-muted: #636E72;--color-surface: #FFFFFF;--color-border: #E0E0E0;--font-family: "Inter", system-ui, -apple-system, sans-serif;--font-size-h1: clamp(2rem, 5vw, 3.5rem);--font-size-h2: clamp(1.5rem, 3vw, 2.25rem);--font-size-h3: clamp(1.2rem, 2vw, 1.5rem);--font-size-body: clamp(1rem, 1.5vw, 1.125rem);--font-size-small: .875rem;--line-height-body: 1.7;--line-height-heading: 1.25;--section-gap: clamp(4rem, 8vw, 8rem);--container-max: 1200px;--container-padding: clamp(1.5rem, 4vw, 3rem);--nav-height: 72px;--radius: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--transition-fast: .2s ease;--transition-normal: .3s ease}[data-theme=dark]{--color-bg: #1A1A2E;--color-bg-alt: #16213E;--color-text: #E0E0E0;--color-text-muted: #A0A0A0;--color-surface: #222244;--color-border: #333366;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 24px rgba(0,0,0,.5)}[data-theme=dark] img:not(.no-dim){filter:brightness(.9)}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}body{font-family:var(--font-family);font-size:var(--font-size-body);line-height:var(--line-height-body);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{line-height:var(--line-height-heading);font-weight:700}h1{font-size:var(--font-size-h1)}h2{font-size:var(--font-size-h2)}h3{font-size:var(--font-size-h3)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-secondary)}:focus-visible{outline:2px solid var(--color-secondary);outline-offset:2px;border-radius:2px}.skip-link{position:fixed;top:-100%;left:1rem;z-index:10000;padding:.75rem 1.5rem;background:var(--color-primary);color:#fff;border-radius:var(--radius);font-weight:600;transition:top .2s}.skip-link:focus{top:1rem;color:#fff}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding-left:var(--container-padding);padding-right:var(--container-padding)}.section{padding-top:var(--section-gap);padding-bottom:var(--section-gap)}.section-title{margin-bottom:2.5rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-8px;left:0;width:60px;height:3px;background:var(--color-secondary);border-radius:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.75rem;border:2px solid transparent;border-radius:var(--radius);font-family:var(--font-family);font-size:var(--font-size-body);font-weight:600;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;min-height:44px;min-width:44px}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);color:#fff;box-shadow:var(--shadow-md)}.btn-ghost{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}.btn-ghost:hover{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}[data-theme=dark] .btn-ghost{color:var(--color-secondary);border-color:var(--color-secondary)}[data-theme=dark] .btn-ghost:hover{background:var(--color-secondary);color:var(--color-bg)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-text-muted);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}.header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);background:var(--color-bg);border-bottom:1px solid var(--color-border);backdrop-filter:blur(12px);background:color-mix(in srgb,var(--color-bg) 85%,transparent);transition:background-color var(--transition-normal)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.header-logo{font-size:1.5rem;font-weight:800;color:var(--color-primary);letter-spacing:-1px}.header-logo:hover{color:var(--color-secondary)}.nav-list{display:flex;list-style:none;gap:2rem}.nav-link{font-weight:500;font-size:var(--font-size-small);color:var(--color-text);position:relative;padding:.25rem 0}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--color-secondary);transition:width 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.hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger.open .hamburger-line:nth-child(2){opacity:0}.hamburger.open .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media(max-width:768px){.hamburger{display:flex}.header-nav{position:fixed;top:var(--nav-height);left:0;right:0;height:calc(100vh - var(--nav-height));height:calc(100dvh - var(--nav-height));background:var(--color-bg);z-index:999;display:flex;align-items:center;justify-content:center;overflow-y:auto;opacity:0;pointer-events:none;transition:opacity var(--transition-normal)}.header-nav.open{opacity:1;pointer-events:auto}.nav-list{flex-direction:column;align-items:center;gap:2.5rem}.nav-link{font-size:1.25rem}}.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-height)}.hero-inner{display:grid;grid-template-columns:1fr 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.reference-card-arrow{color:var(--color-primary);transform:translate(2px,-2px)}.reference-card-role{font-size:var(--font-size-small);font-weight:600;color:var(--color-secondary)}.reference-card-desc{font-size:var(--font-size-small);color:var(--color-text-muted);line-height:1.5}.reference-card--static{cursor:default}.reference-card--static:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--color-border)}@media(max-width:480px){.references-grid{grid-template-columns:1fr}}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.skill-card{text-align:center;padding:2rem 1.5rem}.skill-icon{font-size:2rem;display:block;margin-bottom:.75rem}.skill-category-name{margin-bottom:1rem;font-size:var(--font-size-body)}.skill-tags{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.skill-tag{display:inline-block;padding:.35rem .75rem;background:var(--color-bg-alt);border-radius:2rem;font-size:.8rem;font-weight:500;color:var(--color-text);transition:all var(--transition-fast)}.skill-tag:hover{background:var(--color-primary);color:#fff}.skills-education-divider{height:1px;background:var(--color-border);margin:var(--section-gap) 0}@media(max-width:480px){.skills-grid{grid-template-columns:1fr}}.timeline{position:relative;padding-left:2rem}.timeline:before{content:"";position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--color-border)}.timeline-item{position:relative;margin-bottom:2rem}.timeline-marker{position:absolute;left:-2rem;top:1.2rem;width:16px;height:16px;border-radius:50%;background:var(--color-primary);border:3px solid var(--color-bg);box-shadow:0 0 0 2px var(--color-primary);z-index:1}.timeline-item.expanded .timeline-marker{background:var(--color-secondary);box-shadow:0 0 0 2px var(--color-secondary)}.timeline-content{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.timeline-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:1.25rem 1.5rem;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--font-family);color:var(--color-text);min-height:44px}.timeline-header:hover{background:var(--color-bg-alt)}.timeline-header-text{display:flex;flex-direction:column;gap:.25rem}.timeline-role{font-size:var(--font-size-body);font-weight:700}.timeline-company{font-size:var(--font-size-small);color:var(--color-primary);font-weight:500}.timeline-period{font-size:var(--font-size-small);color:var(--color-text-muted)}.timeline-chevron{transition:transform var(--transition-fast);color:var(--color-text-muted);flex-shrink:0}.timeline-chevron.open{transform:rotate(180deg)}.timeline-achievements{padding:0 1.5rem 1.5rem;list-style:none}.timeline-achievements li{position:relative;padding-left:1.25rem;margin-bottom:.5rem;font-size:var(--font-size-small);color:var(--color-text-muted)}.timeline-achievements li:before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--color-secondary)}.timeline-details{padding:0 1.5rem 1.5rem}.timeline-details .timeline-achievements{padding:0}.timeline-references{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem;padding-top:.75rem;border-top:1px solid var(--color-border)}.timeline-ref-link{display:inline-flex;align-items:center;gap:.375rem;font-size:var(--font-size-small);font-weight:500;color:var(--color-primary);padding:.3rem .7rem;border:1px solid var(--color-border);border-radius:2rem;transition:all var(--transition-fast)}.timeline-ref-link:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.timeline-ref-link svg{flex-shrink:0}@media(max-width:768px){.timeline{padding-left:1.5rem}.timeline-marker{left:-1.5rem;width:12px;height:12px}.timeline:before{left:5px}.timeline-header{padding:1rem}}.education-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.education-card{text-align:center;padding:2rem 1.5rem}.education-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--color-bg-alt);color:var(--color-primary);margin-bottom:1rem}.education-card h3{margin-bottom:.5rem;font-size:var(--font-size-body)}.education-field{font-weight:600;color:var(--color-secondary);font-size:var(--font-size-small);margin-bottom:.25rem}.education-uni{color:var(--color-text);font-size:var(--font-size-small);font-weight:600;margin-bottom:.15rem}.education-detail{color:var(--color-text-muted);font-size:var(--font-size-small);margin-bottom:.15rem}.education-year{color:var(--color-text-muted);font-size:var(--font-size-small);margin-bottom:.25rem}.education-grade{display:inline-block;margin-top:.5rem;padding:.25rem .75rem;background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius);font-size:var(--font-size-small);font-weight:600;color:var(--color-primary)}@media(max-width:900px){.education-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.education-grid{grid-template-columns:1fr}}.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:3rem;align-items:start}.contact-form{position:relative;display:flex;flex-direction:column;gap:1.25rem}.contact-cta{display:flex;flex-direction:column;align-items:flex-start;gap:1rem}.contact-cta-headline{font-size:1.5rem;font-weight:700}.contact-cta-text{color:var(--color-text-muted);line-height:1.6;max-width:46ch}.contact-cta-btn{display:inline-flex;align-items:center;gap:.5rem;margin-top:.25rem}.contact-cta-btn svg{flex-shrink:0}.form-group{display:flex;flex-direction:column;gap:.375rem}.form-group label{font-weight:600;font-size:var(--font-size-small)}.form-group input[type=text],.form-group input[type=email],.form-group select,.form-group textarea{padding:.75rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);font-family:var(--font-family);font-size:var(--font-size-body);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);min-height:44px}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1a535c26}.form-group input[aria-invalid=true],.form-group textarea[aria-invalid=true]{border-color:#e74c3c}.form-group textarea{resize:vertical;min-height:120px}.form-checkbox{flex-direction:row;align-items:flex-start;gap:.75rem}.form-checkbox input[type=checkbox]{width:20px;height:20px;margin-top:2px;flex-shrink:0;accent-color:var(--color-primary)}.form-checkbox label{font-weight:400;font-size:var(--font-size-small);line-height:1.5}.form-error{color:#e74c3c;font-size:.8rem;font-weight:500}.form-status{padding:.75rem 1rem;border-radius:var(--radius);font-size:var(--font-size-small);font-weight:500}.form-status.success{background:#d4edda;color:#155724}.form-status.error{background:#f8d7da;color:#721c24}.contact-info h3{margin-bottom:1.5rem}.contact-details{list-style:none;display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.contact-details li{display:flex;align-items:center;gap:.75rem;color:var(--color-text-muted)}.contact-details a{color:var(--color-text);font-weight:500}.contact-details a:hover{color:var(--color-primary)}.linkedin-btn svg{flex-shrink:0}@media(max-width:768px){.contact-grid{grid-template-columns:1fr;gap:2.5rem}}.footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:2rem 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.footer-copyright{color:var(--color-text-muted);font-size:var(--font-size-small)}.footer-links{display:flex;align-items:center;gap:.75rem;font-size:var(--font-size-small)}.footer-links span{color:var(--color-border)}.footer-links a{color:var(--color-text-muted);transition:color var(--transition-fast)}.footer-links a:hover{color:var(--color-primary)}.btn-back-to-top{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast)}.btn-back-to-top:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}@media(max-width:480px){.footer-inner{flex-direction:column;text-align:center}}.legal-page{padding-top:calc(var(--nav-height) + 3rem);padding-bottom:var(--section-gap);min-height:100vh}.legal-page .container{max-width:800px}.breadcrumb{font-size:var(--font-size-small);color:var(--color-text-muted);margin-bottom:2.5rem}.breadcrumb a{color:var(--color-text-muted)}.breadcrumb a:hover{color:var(--color-primary)}.legal-page h1{margin-bottom:2.5rem}.legal-page section{margin-bottom:2.5rem}.legal-page h2{font-size:1.25rem;margin-bottom:.75rem;color:var(--color-primary)}.legal-page p{color:var(--color-text-muted);margin-bottom:.75rem}.legal-page address{font-style:normal;color:var(--color-text-muted);line-height:1.8}.legal-page ul{padding-left:1.5rem;color:var(--color-text-muted);display:flex;flex-direction:column;gap:.4rem}.not-found-page{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-height)}.not-found-inner{text-align:center;padding-top:4rem;padding-bottom:4rem}.not-found-coffee{margin-bottom:1.5rem;font-size:5rem;line-height:1;position:relative;display:inline-block}.coffee-cup{position:relative;display:inline-block}.steam{position:absolute;top:-1rem;color:var(--color-text-muted);font-size:1.5rem;animation:rise 1.5s ease-in-out infinite;opacity:0}.steam:nth-child(2){left:30%}.steam:nth-child(3){left:50%}.steam:nth-child(4){left:70%}@keyframes rise{0%{opacity:0;transform:translateY(0)}50%{opacity:1}to{opacity:0;transform:translateY(-20px)}}.not-found-title{font-size:clamp(5rem,15vw,10rem);color:var(--color-border);line-height:1;margin-bottom:.5rem}.not-found-headline{font-size:var(--font-size-h2);margin-bottom:1rem}.not-found-subtext{color:var(--color-text-muted);margin-bottom:2rem;white-space:pre-line}@media(prefers-reduced-motion:reduce){.steam{animation:none}}.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}.js .reveal.is-visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon,[data-theme=dark] .theme-toggle .icon-sun{display:inline-flex}[data-theme=dark] .theme-toggle .icon-moon{display:none}a.lang-toggle{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.contact-mailto{margin-top:1rem;font-size:var(--font-size-small);color:var(--color-text-muted)}.timeline-item:not(.expanded) .timeline-achievements{display:none}