:root{--bg-primary: #09090b;--bg-secondary: #111114;--bg-card: #16161a;--bg-card-hover: #1c1c22;--bg-elevated: #1e1e26;--border-subtle: rgba(255, 255, 255, .06);--border-medium: rgba(255, 255, 255, .1);--border-accent: rgba(99, 102, 241, .3);--text-primary: #f0f0f3;--text-secondary: #8b8b9e;--text-tertiary: #5a5a6e;--text-accent: #818cf8;--accent: #6366f1;--accent-hover: #818cf8;--accent-glow: rgba(99, 102, 241, .15);--accent-subtle: rgba(99, 102, 241, .08);--gradient-accent: linear-gradient(135deg, #6366f1, #06b6d4);--gradient-card: linear-gradient(135deg, rgba(99, 102, 241, .05), rgba(6, 182, 212, .03));--cat-systems: #f97316;--cat-web: #06b6d4;--cat-ml: #a855f7;--cat-devops: #22c55e;--font-heading: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-lg: 1.125rem;--fs-xl: 1.25rem;--fs-2xl: 1.5rem;--fs-3xl: 1.875rem;--fs-4xl: 2.25rem;--fs-5xl: 3rem;--fs-6xl: 3.75rem;--section-padding: 6rem 0;--container-max: 1100px;--container-padding: 0 1.5rem;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .15);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px}:root[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-elevated: #e2e8f0;--border-subtle: rgba(0, 0, 0, .05);--border-medium: rgba(0, 0, 0, .1);--border-accent: rgba(99, 102, 241, .2);--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #64748b;--text-accent: #4f46e5;--accent: #4f46e5;--accent-hover: #4338ca;--accent-glow: rgba(79, 70, 229, .15);--accent-subtle: rgba(79, 70, 229, .08);--gradient-accent: linear-gradient(135deg, #4f46e5, #0ea5e9);--gradient-card: linear-gradient(135deg, rgba(79, 70, 229, .05), rgba(14, 165, 233, .03));--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px rgba(79, 70, 229, .15)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{font-family:var(--font-body);font-size:var(--fs-base);line-height:1.6;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;transition:background-color var(--transition-base),color var(--transition-base)}a{color:inherit;text-decoration:none}ul,ol{list-style:none}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}.container{max-width:var(--container-max);margin:0 auto;padding:var(--container-padding)}.section{padding:var(--section-padding)}.section-label{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-body);font-size:var(--fs-sm);font-weight:500;color:var(--text-accent);letter-spacing:.05em;text-transform:uppercase;margin-bottom:.75rem}.section-label .icon{width:18px;height:18px;opacity:.7}.section-title{font-family:var(--font-heading);font-size:var(--fs-3xl);font-weight:700;color:var(--text-primary);margin-bottom:3rem;line-height:1.2}.section-divider{width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--border-medium),transparent)}.scroll-reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}.scroll-reveal.visible,.scroll-reveal.visible .stagger-item{opacity:1;transform:translateY(0)}.stagger-item{opacity:0;transform:translateY(16px);transition:opacity .5s cubic-bezier(.16,1,.3,1),transform .5s cubic-bezier(.16,1,.3,1)}.stagger-item:nth-child(1){transition-delay:.05s}.stagger-item:nth-child(2){transition-delay:.1s}.stagger-item:nth-child(3){transition-delay:.15s}.stagger-item:nth-child(4){transition-delay:.2s}.stagger-item:nth-child(5){transition-delay:.25s}.stagger-item:nth-child(6){transition-delay:.3s}.stagger-item:nth-child(7){transition-delay:.35s}.stagger-item:nth-child(8){transition-delay:.4s}.stagger-item:nth-child(9){transition-delay:.45s}.stagger-item:nth-child(10){transition-delay:.5s}.stagger-item:nth-child(11){transition-delay:.55s}.stagger-item:nth-child(12){transition-delay:.6s}.stagger-item:nth-child(13){transition-delay:.65s}.stagger-item:nth-child(14){transition-delay:.7s}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 0;transition:var(--transition-base);background:transparent}.navbar.scrolled{background:color-mix(in srgb,var(--bg-primary) 85%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);padding:.75rem 0}.navbar .container{display:flex;align-items:center;justify-content:space-between}.nav-logo{font-family:var(--font-heading);font-size:var(--fs-xl);font-weight:700;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:2rem}.nav-links a{font-size:var(--fs-sm);color:var(--text-secondary);transition:color var(--transition-fast);position:relative;font-weight:500}.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}.nav-links a.active:after{content:"";position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--gradient-accent);border-radius:1px}.nav-toggle{display:none;flex-direction:column;gap:5px;padding:4px}.nav-toggle span{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition-fast)}@media(max-width:768px){.nav-toggle{display:flex}.nav-links{position:fixed;top:0;right:-100%;width:260px;height:100vh;flex-direction:column;background:var(--bg-secondary);border-left:1px solid var(--border-subtle);padding:5rem 2rem 2rem;gap:1.5rem;transition:right var(--transition-base)}.nav-links.open{right:0}.nav-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99}}.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-40%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);pointer-events:none}.hero .container{display:flex;align-items:center;gap:4rem}.hero-content{flex:1}.hero-photo{width:220px;height:220px;border-radius:50%;background:var(--bg-card);border:3px solid var(--border-medium);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;position:relative}.hero-photo img{width:100%;height:100%;object-fit:cover}.hero-photo-placeholder{font-family:var(--font-heading);font-size:var(--fs-4xl);font-weight:700;color:var(--text-tertiary)}.hero-greeting{font-size:var(--fs-lg);color:var(--text-secondary);margin-bottom:.5rem}.hero-name{font-family:var(--font-heading);font-size:var(--fs-6xl);font-weight:700;line-height:1.1;margin-bottom:1rem}.hero-name .gradient{color:var(--text-primary)}.hero-roles{font-size:var(--fs-xl);color:var(--text-secondary);margin-bottom:.5rem;min-height:2rem}.hero-roles .cursor{display:inline-block;width:2px;height:1.2em;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:blink 1s step-end infinite}@keyframes blink{50%{opacity:0}}.hero-tagline{font-size:var(--fs-base);color:var(--text-tertiary);max-width:500px;margin-bottom:2rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:var(--accent);color:#fff;font-weight:600;font-size:var(--fs-sm);border-radius:var(--radius-md);transition:var(--transition-fast)}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-glow)}.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:1px solid var(--border-medium);color:var(--text-secondary);font-weight:500;font-size:var(--fs-sm);border-radius:var(--radius-md);transition:var(--transition-fast)}.btn-ghost:hover{border-color:var(--accent);color:var(--text-primary)}.hero-socials{display:flex;gap:1rem;margin-top:2rem}.hero-socials a{color:var(--text-tertiary);transition:color var(--transition-fast)}.hero-socials a:hover{color:var(--text-accent)}@media(max-width:768px){.hero .container{flex-direction:column-reverse;text-align:center;gap:2rem}.hero-name{font-size:var(--fs-4xl)}.hero-photo{width:160px;height:160px}.hero-tagline{margin-inline:auto}.hero-actions,.hero-socials{justify-content:center}}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:2rem}.stat-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.5rem;text-align:center;transition:var(--transition-base)}.stat-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover)}.stat-value{font-family:var(--font-heading);font-size:var(--fs-3xl);font-weight:700;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:var(--fs-sm);color:var(--text-secondary);margin-top:.25rem}@media(max-width:640px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.education-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:2rem;display:flex;align-items:center;gap:2rem;transition:var(--transition-base)}.education-card:hover{border-color:var(--border-accent)}.education-icon{width:64px;height:64px;border-radius:var(--radius-md);background:var(--accent-subtle);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-accent)}.education-info h3{font-family:var(--font-heading);font-size:var(--fs-xl);font-weight:600}.education-info p{color:var(--text-secondary);font-size:var(--fs-sm);margin-top:.25rem}.education-meta{display:flex;gap:1.5rem;margin-top:.75rem;flex-wrap:wrap}.education-meta span{display:flex;align-items:center;gap:.35rem;font-size:var(--fs-sm);color:var(--text-tertiary)}@media(max-width:640px){.education-card{flex-direction:column;text-align:center}.education-meta{justify-content:center}}.timeline{position:relative;padding-left:2rem}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--border-medium)}.timeline-item{position:relative;padding-bottom:2.5rem}.timeline-item:last-child{padding-bottom:0}.timeline-dot{position:absolute;left:-2rem;top:6px;width:16px;height:16px;border-radius:50%;background:var(--bg-primary);border:3px solid var(--accent);z-index:1}.timeline-item:first-child .timeline-dot{background:var(--accent);box-shadow:0 0 0 4px var(--accent-glow)}.timeline-header{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:.5rem;margin-bottom:.25rem}.timeline-company{font-family:var(--font-heading);font-size:var(--fs-lg);font-weight:600}.timeline-period{font-size:var(--fs-sm);color:var(--text-tertiary)}.timeline-role{font-size:var(--fs-sm);color:var(--text-accent);font-weight:500;margin-bottom:.5rem}.timeline-bullets{list-style:disc;padding-left:1.25rem}.timeline-bullets li{font-size:var(--fs-sm);color:var(--text-secondary);margin-bottom:.35rem;line-height:1.5}.project-filters{display:flex;gap:.5rem;margin-bottom:2rem;flex-wrap:wrap}.filter-btn{padding:.5rem 1rem;font-size:var(--fs-sm);font-weight:500;border-radius:var(--radius-md);border:1px solid var(--border-subtle);color:var(--text-secondary);transition:var(--transition-fast);background:transparent}.filter-btn:hover{border-color:var(--border-medium);color:var(--text-primary)}.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}.project-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;transition:var(--transition-base);position:relative;overflow:hidden}.project-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;opacity:0;transition:opacity var(--transition-base)}.project-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.project-card:hover:before{opacity:1}.project-card[data-category~=systems]:before{background:var(--cat-systems)}.project-card[data-category~=web]:before{background:var(--cat-web)}.project-card[data-category~=ml]:before{background:var(--cat-ml)}.project-card[data-category~=devops]:before{background:var(--cat-devops)}.project-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem}.project-title{font-family:var(--font-heading);font-size:var(--fs-lg);font-weight:600}.project-links{display:flex;gap:.5rem;flex-shrink:0}.project-links a{color:var(--text-tertiary);transition:color var(--transition-fast);display:flex;align-items:center}.project-links a:hover{color:var(--text-accent)}.project-description{font-size:var(--fs-sm);color:var(--text-secondary);line-height:1.6;flex:1;margin-bottom:1rem}.project-tags{display:flex;flex-wrap:wrap;gap:.4rem}.project-tag{font-size:var(--fs-xs);padding:.2rem .6rem;background:var(--accent-subtle);color:var(--text-accent);border-radius:999px;font-weight:500}@media(max-width:768px){.projects-grid{grid-template-columns:1fr}}.articles-list{display:flex;flex-direction:column;gap:1rem}.article-card{display:flex;align-items:center;gap:1.25rem;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem 1.5rem;transition:var(--transition-base);text-decoration:none}.article-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translate(4px)}.article-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:var(--accent-subtle);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-accent)}.article-content{flex:1;min-width:0}.article-title{font-family:var(--font-heading);font-weight:600;font-size:var(--fs-base);margin-bottom:.2rem}.article-description{font-size:var(--fs-sm);color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.article-platform{font-size:var(--fs-xs);color:var(--text-tertiary);padding:.2rem .6rem;background:var(--bg-elevated);border-radius:999px;flex-shrink:0;font-weight:500}.article-arrow{color:var(--text-tertiary);flex-shrink:0;transition:var(--transition-fast)}.article-card:hover .article-arrow{color:var(--text-accent);transform:translate(4px)}.certificates-wrapper{position:relative}.certificates-track{display:flex;gap:1.25rem;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;padding:.5rem 0;-ms-overflow-style:none}.certificates-track::-webkit-scrollbar{display:none}.cert-card{min-width:300px;max-width:300px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;flex-shrink:0;transition:var(--transition-base)}.cert-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover)}.cert-year{font-size:var(--fs-xs);font-weight:600;color:var(--text-accent);background:var(--accent-subtle);padding:.2rem .6rem;border-radius:999px;display:inline-block;margin-bottom:.75rem}.cert-title{font-family:var(--font-heading);font-weight:600;font-size:var(--fs-base);margin-bottom:.25rem}.cert-issuer{font-size:var(--fs-sm);color:var(--text-tertiary);margin-bottom:.5rem}.cert-description{font-size:var(--fs-sm);color:var(--text-secondary);margin-bottom:1rem;line-height:1.5}.cert-proof-link{display:inline-flex;align-items:center;gap:.35rem;font-size:var(--fs-sm);font-weight:500;color:var(--text-accent);transition:var(--transition-fast)}.cert-proof-link:hover{opacity:.8}.cert-placeholder{font-size:var(--fs-xs);color:var(--text-tertiary);font-style:italic}.carousel-nav{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1rem}.carousel-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--border-medium);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:var(--transition-fast)}.carousel-btn:hover{border-color:var(--accent);color:var(--text-primary)}.skills-groups{display:flex;flex-direction:column;gap:2rem}.skill-group h3{font-family:var(--font-heading);font-size:var(--fs-sm);font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}.skill-items{display:flex;flex-wrap:wrap;gap:.5rem}.skill-badge{font-size:var(--fs-sm);padding:.4rem .9rem;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);font-weight:500;transition:var(--transition-fast)}.skill-badge:hover{border-color:var(--border-accent);color:var(--text-primary);background:var(--bg-card-hover)}.activities-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}.activity-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;transition:var(--transition-base)}.activity-card:hover{border-color:var(--border-accent)}.activity-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.25rem;flex-wrap:wrap;gap:.5rem}.activity-title{font-family:var(--font-heading);font-weight:600}.activity-period{font-size:var(--fs-sm);color:var(--text-tertiary)}.activity-role{font-size:var(--fs-sm);color:var(--text-accent);font-weight:500;margin-bottom:.5rem}.activity-description{font-size:var(--fs-sm);color:var(--text-secondary);line-height:1.5}@media(max-width:640px){.activities-grid{grid-template-columns:1fr}}.footer{padding:4rem 0 2rem;border-top:1px solid var(--border-subtle);background:var(--bg-secondary)}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-bottom:3rem}.footer-info h3{font-family:var(--font-heading);font-size:var(--fs-2xl);font-weight:700;margin-bottom:1rem}.footer-info p{color:var(--text-secondary);font-size:var(--fs-sm);max-width:400px;line-height:1.6;margin-bottom:1.5rem}.footer-social{display:flex;gap:1rem}.footer-social a{width:40px;height:40px;border-radius:50%;border:1px solid var(--border-medium);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:var(--transition-fast)}.footer-social a:hover{border-color:var(--accent);color:var(--text-accent)}.theme-toggle{transition:var(--transition-fast)}.theme-toggle:hover{color:var(--text-primary)!important}.contact-form{display:flex;flex-direction:column;gap:1rem}.contact-form input,.contact-form textarea{width:100%;padding:.75rem 1rem;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-body);font-size:var(--fs-sm);transition:border-color var(--transition-fast);outline:none}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent)}.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--text-tertiary)}.contact-form textarea{resize:vertical;min-height:100px}.contact-form .btn-primary{align-self:flex-start}.footer-bottom{text-align:center;font-size:var(--fs-sm);color:var(--text-tertiary);padding-top:2rem;border-top:1px solid var(--border-subtle)}.recaptcha-notice{font-size:var(--fs-xs);color:var(--text-tertiary);margin-top:.5rem}.recaptcha-notice a{color:var(--text-secondary);text-decoration:underline}@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:2rem}}.section-divider{width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--border-medium),transparent);margin:0}