:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--text-primary: #1a1a1a;--text-secondary: #6b7280;--accent: #3b82f6;--accent-light: #60a5fa;--border: #e5e7eb;--card-bg: #ffffff;--header-bg: rgba(255, 255, 255, .95);--toggle-bg: #d1d5db;--toggle-bg-hover: #b0b7c0;--thumb-color: #ffffff;--sun-color: #92400e;--shadow-card: rgba(0, 0, 0, .08);--shadow-btn: rgba(0, 0, 0, .15);--shadow-thumb: rgba(0, 0, 0, .2);--overlay-bg: rgba(0, 0, 0, .4);--mono: "JetBrains Mono", monospace;--sans: "Inter", system-ui, sans-serif}[data-theme=dark]{--bg-primary: #0a0a0a;--bg-secondary: #111111;--text-primary: #e5e5e5;--text-secondary: #9ca3af;--accent: #60a5fa;--accent-light: #93c5fd;--border: #2a2a2a;--card-bg: #161616;--header-bg: rgba(10, 10, 10, .95);--toggle-bg: var(--accent);--toggle-bg-hover: var(--accent-light);--shadow-card: rgba(0, 0, 0, .3);--shadow-btn: rgba(0, 0, 0, .3)}.skip-link{position:absolute;top:-100%;left:1rem;z-index:9999;padding:.75rem 1.5rem;background:var(--accent);color:#fff;font-weight:600;font-size:.9rem;text-decoration:none;border-radius:0 0 8px 8px;transition:top .15s ease}.skip-link:focus{top:0;outline:2px solid var(--accent-light);outline-offset:2px}*{margin:0;padding:0;box-sizing:border-box}:focus{outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.btn-primary:focus-visible,.btn-secondary:focus-visible{border-radius:8px}.lang-btn:focus-visible{border-radius:6px}.theme-switch:focus-visible{border-radius:14px}.back-to-top:focus-visible{border-radius:8px}.hamburger-btn:focus-visible{border-radius:4px}.mobile-nav-link:focus-visible{border-radius:6px;outline-offset:6px}body,header,.mobile-menu,.service-card,.tech-row,.tag,.tech-item,.lang-btn,.btn-secondary,footer{transition:background-color .3s ease,color .3s ease,border-color .3s ease}body{font-family:var(--sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 2rem}header{padding:1.5rem 0;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--header-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:100}nav{display:flex;justify-content:space-between;align-items:center;gap:1rem}.logo{font-weight:700;font-size:1.8rem;color:var(--text-primary);white-space:nowrap}.logo-dot{color:var(--accent);transition:color .3s ease}.nav-links{display:flex;gap:2rem;align-items:center}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.95rem;transition:color .2s}.nav-link:hover{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:.75rem}.lang-switcher{display:flex;gap:.5rem}.lang-btn{font-family:var(--mono);font-size:.75rem;padding:.4rem .85rem;background:transparent;border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all .2s;text-transform:uppercase;border-radius:6px;font-weight:500;text-decoration:none;display:inline-block}.lang-btn:hover{border-color:var(--accent);color:var(--accent)}.lang-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.theme-switch{width:54px;height:28px;border-radius:14px;background:var(--toggle-bg);border:none;padding:0;cursor:pointer;position:relative;flex-shrink:0;vertical-align:middle;transition:background .3s ease;overflow:hidden}.theme-switch:hover{background:var(--toggle-bg-hover)}[data-theme=dark] .theme-switch{background:var(--accent)}[data-theme=dark] .theme-switch:hover{background:var(--accent-light)}.switch-icon{position:absolute;top:50%;transform:translateY(-50%);width:13px;height:13px;pointer-events:none;transition:opacity .25s ease,color .3s ease}.switch-icon--sun{left:7px;color:var(--sun-color);opacity:1}.switch-icon--moon{right:7px;color:var(--thumb-color);opacity:0}[data-theme=dark] .switch-icon--sun{opacity:0}[data-theme=dark] .switch-icon--moon{opacity:1}.theme-switch-thumb{position:absolute;width:22px;height:22px;border-radius:50%;background:var(--thumb-color);top:3px;left:3px;pointer-events:none;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 4px var(--shadow-thumb)}[data-theme=dark] .theme-switch-thumb{transform:translate(26px)}.hamburger-btn{display:none;width:32px;height:20px;flex-direction:column;justify-content:space-between;background:none;border:none;cursor:pointer;padding:0;flex-shrink:0}.hamburger-line{display:block;width:100%;height:2px;background:var(--text-primary);border-radius:2px;transform-origin:center;transition:transform .3s ease,opacity .3s ease,background-color .3s ease}.hamburger-btn.open .hamburger-line:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger-btn.open .hamburger-line:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger-btn.open .hamburger-line:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.mobile-overlay{position:fixed;inset:0;background:var(--overlay-bg);z-index:97;opacity:0;pointer-events:none;transition:opacity .3s ease;cursor:pointer}.mobile-overlay.open{opacity:1;pointer-events:auto}.mobile-menu{position:fixed;inset:0;background:var(--bg-primary);z-index:98;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:70px;transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1),background-color .3s ease}.mobile-menu.open{transform:translate(0)}@media (min-width: 969px){.mobile-overlay,.mobile-menu{display:none!important}}.mobile-nav{display:flex;flex-direction:column;align-items:center;gap:.25rem;width:100%}.mobile-nav-link{font-size:1.75rem;font-weight:600;color:var(--text-secondary);text-decoration:none;padding:.75rem 3rem;width:100%;text-align:center;transition:color .2s ease,transform .2s ease}.mobile-nav-link:hover{color:var(--accent);transform:translate(6px)}@keyframes pageEnter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}main{animation:pageEnter .65s ease-out both}.hero{padding:2rem 0 3rem}.hero-content{display:grid;grid-template-columns:1fr 420px;gap:3rem;align-items:stretch}.hero-text{max-width:650px;display:flex;flex-direction:column;justify-content:center}.hero-name{font-family:var(--mono);font-size:1rem;font-weight:500;margin-bottom:.6rem;line-height:1.4}.prompt-path{color:var(--text-secondary)}.prompt-user{color:var(--text-primary);font-weight:600}.prompt-gt{color:var(--accent);font-weight:600}.code-tag{font-family:var(--mono);font-size:.85rem;color:var(--accent);margin-bottom:.75rem;display:block;font-weight:500}h1{font-size:clamp(2.5rem,5vw,3.5rem);font-weight:700;line-height:1.2;margin-bottom:1rem}.code-keyword{font-family:var(--mono);color:var(--accent);font-weight:600}.subtitle{font-size:1.1rem;color:var(--text-secondary);margin-bottom:1rem;line-height:1.7}.stats{display:flex;gap:2rem;margin-bottom:1.5rem}.stat{display:flex;flex-direction:column}.stat-number{font-size:2rem;font-weight:700;color:var(--accent);font-family:var(--mono)}.stat-label{font-size:.9rem;color:var(--text-secondary)}.cta-group{display:flex;gap:1rem;flex-wrap:wrap}.btn{font-family:var(--sans);font-size:.95rem;font-weight:600;padding:.9rem 2rem;border:none;border-radius:8px;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px)}.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--text-primary)}.profile-container{position:relative;align-self:stretch}.profile-image{width:100%;height:100%;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:var(--bg-secondary);transition:border-color .3s ease}.profile-img{width:100%;height:100%;object-fit:cover}.profile-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.profile-placeholder-icon{font-size:4rem;opacity:.2}.profile-placeholder-text{font-family:var(--mono);font-size:.75rem;color:var(--text-secondary)}.services{padding:5rem 0;background:var(--bg-secondary);transition:background-color .3s ease}.section-header{margin-bottom:3rem}.section-title{font-family:var(--mono);font-size:.85rem;color:var(--accent);margin-bottom:.5rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.section-heading{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem}.section-desc{font-size:1.1rem;color:var(--text-secondary);max-width:700px}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}.service-card{background:var(--card-bg);padding:2rem;border-radius:12px;border:1px solid var(--border);transition:all .2s}.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px var(--shadow-card)}.service-number{font-family:var(--mono);font-size:.8rem;color:var(--accent);margin-bottom:1rem;font-weight:600}.service-title{font-size:1.3rem;font-weight:600;margin-bottom:.8rem;color:var(--text-primary)}.service-desc{color:var(--text-secondary);line-height:1.7;margin-bottom:1rem}.service-tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{font-size:.75rem;padding:.3rem .7rem;background:var(--bg-secondary);border-radius:4px;color:var(--text-secondary);font-family:var(--mono)}.experience,.education{padding:5rem 0}.education{background:var(--bg-secondary);transition:background-color .3s ease}.timeline{max-width:800px;margin:0 auto}.timeline-item{display:grid;grid-template-columns:max-content 1fr;gap:2rem;margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid var(--border)}.timeline-item:last-child{border-bottom:none}.timeline-date{font-family:var(--mono);font-size:.85rem;color:var(--accent);font-weight:600;white-space:nowrap}.timeline-content h3{font-size:1.3rem;margin-bottom:.3rem}.timeline-company{color:var(--text-secondary);font-size:.95rem;margin-bottom:.8rem}.timeline-desc{color:var(--text-secondary);line-height:1.7}.tech-stack{padding:5rem 0;background:var(--bg-secondary);transition:background-color .3s ease}.tech-rows{display:flex;flex-direction:column}.tech-row{display:grid;grid-template-columns:140px 1fr;gap:.5rem 2rem;padding:1rem 0;border-bottom:1px solid var(--border);align-items:flex-start;transition:border-color .3s ease}.tech-row:last-child{border-bottom:none}.tech-row-label{font-family:var(--mono);font-size:.72rem;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.8px;padding-top:.35rem;transition:color .3s ease}.tech-row-items{display:flex;flex-wrap:wrap;gap:.4rem .5rem}.tech-item{font-family:var(--mono);font-size:.8rem;padding:.3rem .75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;color:var(--text-secondary);transition:border-color .2s,color .2s,background-color .3s ease}.tech-item:hover{border-color:var(--accent);color:var(--text-primary)}footer{padding:3rem 0;border-top:1px solid var(--border)}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:2rem}.footer-text{color:var(--text-secondary);font-size:.9rem}.contact-info{display:flex;gap:2rem;flex-wrap:wrap}.contact-item{color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s}.contact-item:hover{color:var(--accent)}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:2.75rem;height:2.75rem;background:var(--accent);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .2s ease,background-color .3s ease;box-shadow:0 4px 12px var(--shadow-btn)}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top:hover{background:var(--accent-light);transform:translateY(-2px)}@media (max-width: 968px){.hero-content{grid-template-columns:1fr;gap:3rem}.profile-container{max-width:420px;margin:0 auto}.stats{flex-wrap:wrap}.services-grid{grid-template-columns:1fr}.tech-row{grid-template-columns:110px 1fr;gap:.4rem 1rem}.timeline-item{grid-template-columns:1fr;gap:1rem}.nav-links{display:none}.hamburger-btn{display:flex}.lang-btn{padding:.3rem .6rem;font-size:.7rem}}@media (max-width: 640px){.hero{padding:2rem 0}h1,.section-heading{font-size:2rem}.services,.experience,.education,.tech-stack{padding:3rem 0}.footer-content{flex-direction:column;text-align:center}.back-to-top{bottom:1.25rem;right:1.25rem}}