*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f7;--white: #ffffff;--ink: #1d1d1f;--muted: #6e6e73;--accent: #0071e3;--border: rgba(0,0,0,.08);--on-accent: #ffffff;--accent-hover: #0077ed;--nav-bg: rgba(245,245,247,.72);--menu-bg: rgba(245,245,247,.96);--pill-bg: rgba(0,0,0,.035);--pill-hover: rgba(255,255,255,.7);color-scheme:light;--radius-card: 20px;--radius-btn: 100px;--nav-h: 56px;--font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Helvetica, Arial, sans-serif}html{scroll-behavior:smooth;font-size:16px}body{background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden}h1,h2,h3,h4{font-weight:700;letter-spacing:-.03em;line-height:1.1}.container{max-width:1080px;margin:0 auto;padding:0 24px}section{padding:100px 0}.section-label{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}.section-title{font-size:clamp(2rem,4vw,2.75rem);color:var(--ink);margin-bottom:1rem}.section-sub{font-size:1.05rem;color:var(--muted);max-width:520px;line-height:1.6}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-dot{0%,to{box-shadow:0 0 #34c75980}50%{box-shadow:0 0 0 6px #34c75900}}.fade-up{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}.fade-up.visible{opacity:1;transform:translateY(0)}.stagger>*{opacity:0;transform:translateY(28px);transition:opacity .55s ease,transform .55s ease}.stagger.visible>*:nth-child(1){opacity:1;transform:none;transition-delay:.05s}.stagger.visible>*:nth-child(2){opacity:1;transform:none;transition-delay:.12s}.stagger.visible>*:nth-child(3){opacity:1;transform:none;transition-delay:.19s}.stagger.visible>*:nth-child(4){opacity:1;transform:none;transition-delay:.26s}.stagger.visible>*:nth-child(5){opacity:1;transform:none;transition-delay:.33s}.stagger.visible>*:nth-child(6){opacity:1;transform:none;transition-delay:.4s}.stagger.visible>*:nth-child(7){opacity:1;transform:none;transition-delay:.47s}.stagger.visible>*:nth-child(8){opacity:1;transform:none;transition-delay:.54s}.site-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);transition:box-shadow .3s,background .3s}.site-nav .container{height:100%;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-size:1rem;font-weight:700;letter-spacing:-.04em;color:var(--ink);text-decoration:none}.nav-links{display:flex;gap:2px;list-style:none;padding:4px;background:var(--pill-bg);border:1px solid var(--border);border-radius:var(--radius-btn)}.nav-links a{display:block;padding:6px 16px;border-radius:var(--radius-btn);font-size:.875rem;font-weight:500;color:var(--muted);text-decoration:none;transition:color .2s,background .2s,box-shadow .2s}.nav-links a:hover{color:var(--ink);background:var(--pill-hover)}.nav-links a.active{color:var(--accent);background:var(--white);box-shadow:0 1px 4px #00000014}.nav-links a:focus-visible,.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-actions{display:flex;align-items:center;gap:8px}.theme-toggle{position:relative;width:38px;height:38px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--pill-bg);border:1px solid var(--border);border-radius:50%;color:var(--ink);cursor:pointer;transition:background .2s,color .2s,transform .15s}.theme-toggle:hover{background:var(--white);color:var(--accent);transform:scale(1.06)}.theme-toggle svg{position:absolute;width:18px;height:18px;transition:transform .4s ease,opacity .3s ease}.theme-toggle .icon-sun{opacity:0;transform:rotate(-90deg) scale(.5)}.theme-toggle .icon-moon,[data-theme=dark] .theme-toggle .icon-sun{opacity:1;transform:rotate(0) scale(1)}[data-theme=dark] .theme-toggle .icon-moon{opacity:0;transform:rotate(90deg) scale(.5)}.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.burger.open span:nth-child(2){opacity:0}.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--menu-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:1.5rem 1.5rem 2rem;border-bottom:1px solid var(--border);z-index:99;flex-direction:column;gap:1.25rem}.mobile-menu.open{display:flex}.mobile-menu a{font-size:1.1rem;font-weight:600;color:var(--ink);text-decoration:none}.mobile-menu a.active{color:var(--accent)}#hero{padding-top:calc(var(--nav-h) + 80px);padding-bottom:100px;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-btn);padding:6px 16px 6px 10px;font-size:.8125rem;font-weight:600;color:var(--ink);margin-bottom:2rem;animation:fadeUp .6s ease both}.badge-dot{width:8px;height:8px;background:#34c759;border-radius:50%;animation:pulse-dot 2s ease-in-out infinite}.hero-title{font-size:clamp(3rem,7vw,5.5rem);letter-spacing:-.045em;line-height:1;color:var(--ink);animation:fadeUp .6s .1s ease both;margin-bottom:1.5rem}.hero-title span{color:var(--accent)}.hero-sub{font-size:clamp(1rem,2vw,1.25rem);color:var(--muted);max-width:560px;margin:0 auto 2.5rem;line-height:1.65;animation:fadeUp .6s .2s ease both}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;animation:fadeUp .6s .3s ease both}.btn-primary{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:var(--on-accent);padding:14px 28px;border-radius:var(--radius-btn);font-size:.9375rem;font-weight:600;text-decoration:none;border:none;cursor:pointer;font-family:var(--font);transition:background .2s,transform .15s}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{display:inline-flex;align-items:center;gap:6px;background:var(--white);color:var(--ink);padding:14px 28px;border-radius:var(--radius-btn);font-size:.9375rem;font-weight:600;text-decoration:none;border:1px solid var(--border);cursor:pointer;font-family:var(--font);transition:border-color .2s,transform .15s,box-shadow .2s}.btn-secondary:hover{border-color:#0000002e;transform:translateY(-2px);box-shadow:0 4px 16px #00000012}.hero-visual{margin-top:5rem;animation:fadeUp .6s .45s ease both}.hero-stats{display:inline-flex;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden}.stat-item{padding:24px 40px;text-align:center;position:relative}.stat-item+.stat-item:before{content:"";position:absolute;left:0;top:20%;height:60%;width:1px;background:var(--border)}.stat-number{font-size:2rem;font-weight:700;letter-spacing:-.04em;color:var(--ink);display:block}.stat-label{font-size:.8125rem;color:var(--muted)}#skills{background:var(--white)}.skills-header{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:3.5rem}.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.skill-card{background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:22px;transition:transform .25s ease,box-shadow .25s ease,background .2s;cursor:default}.skill-card:hover{transform:translateY(-3px);background:var(--white);box-shadow:0 8px 24px #00000012}.skill-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.375rem;margin-bottom:14px}.skill-name{font-size:.9375rem;font-weight:600;color:var(--ink);margin-bottom:4px}.skill-desc{font-size:.8125rem;color:var(--muted);line-height:1.5}.ic-blue{background:#e8f1fd}.ic-orange{background:#fef1e6}.ic-green{background:#e8f9ed}.ic-purple{background:#f1eefe}.ic-teal{background:#e6f6f8}.ic-red{background:#feecec}.ic-gray{background:#efefef}.ic-yellow{background:#fdf8e1}.projects-header{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:3.5rem}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.project-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}.project-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px #00000014}.project-accent{height:4px}.project-body{padding:26px;flex:1;display:flex;flex-direction:column}.project-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:var(--radius-btn);margin-bottom:12px}.project-title{font-size:1.0625rem;font-weight:700;color:var(--ink);margin-bottom:8px;letter-spacing:-.02em}.project-desc{font-size:.875rem;color:var(--muted);line-height:1.6;flex:1}.project-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}.chip{font-size:.75rem;font-weight:500;background:var(--bg);border:1px solid var(--border);color:var(--muted);padding:3px 10px;border-radius:var(--radius-btn)}.acc-blue{background:#0071e3}.acc-green{background:#34c759}.acc-orange{background:#ff9500}.acc-purple{background:#af52de}.tag-blue{background:#e8f1fd;color:#0071e3}.tag-green{background:#e8f9ed;color:#248a3d}.tag-orange{background:#fef1e6;color:#c93400}.tag-purple{background:#f1eefe;color:#7d34a8}#experience{background:var(--white)}.exp-header{margin-bottom:3.5rem}.exp-subtitle{font-size:1.25rem;font-weight:700;color:var(--ink);letter-spacing:-.02em;margin:4rem 0 1.75rem}.exp-header+.exp-subtitle{margin-top:0}.timeline{position:relative;max-width:720px}.timeline:before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:1px;background:var(--border)}.timeline-item{position:relative;padding-left:52px;margin-bottom:2.5rem}.timeline-item:last-child{margin-bottom:0}.timeline-dot{position:absolute;left:8px;top:5px;width:15px;height:15px;border-radius:50%;background:var(--white);border:2px solid var(--border);transition:border-color .2s,background .2s}.timeline-item:hover .timeline-dot{border-color:var(--accent);background:var(--accent)}.timeline-card{background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:22px 24px;transition:background .2s,box-shadow .25s}.timeline-item:hover .timeline-card{background:var(--white);box-shadow:0 6px 20px #0000000f}.timeline-top{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:6px;flex-wrap:wrap}.timeline-role{font-size:1rem;font-weight:700;color:var(--ink);letter-spacing:-.02em}.timeline-date{font-size:.8rem;font-weight:600;color:var(--muted);white-space:nowrap;background:var(--white);border:1px solid var(--border);padding:3px 10px;border-radius:var(--radius-btn)}.timeline-company{font-size:.875rem;font-weight:600;color:var(--accent);margin-bottom:10px}.timeline-desc{font-size:.875rem;color:var(--muted);line-height:1.65}.timeline-desc ul{margin-top:8px;padding-left:1rem;display:flex;flex-direction:column;gap:4px}.certs-strip{display:flex;gap:12px;flex-wrap:wrap;margin-top:3rem;padding-top:3rem;border-top:1px solid var(--border)}.cert-pill{display:inline-flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-btn);padding:8px 16px;font-size:.875rem;font-weight:600;color:var(--ink);transition:background .2s,box-shadow .2s}.cert-pill:hover{background:var(--white);box-shadow:0 4px 12px #0000000f}#contact{text-align:center}.contact-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);padding:64px 48px;max-width:640px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:2rem}.contact-icon{width:64px;height:64px;border-radius:20px;background:#e8f1fd;display:flex;align-items:center;justify-content:center;font-size:2rem}.contact-title{font-size:clamp(1.75rem,4vw,2.25rem);letter-spacing:-.04em}.contact-sub{font-size:1rem;color:var(--muted);line-height:1.65;max-width:420px;text-align:center}.contact-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.contact-links{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:-.5rem}.contact-link{font-size:.875rem;font-weight:600;color:var(--muted);text-decoration:none;display:inline-flex;align-items:center;gap:5px;transition:color .2s}.contact-link:hover{color:var(--ink)}.contact-form{width:100%;display:flex;flex-direction:column;gap:12px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-field{width:100%;padding:13px 16px;font-size:.9375rem;font-family:var(--font);color:var(--ink);background:var(--bg);border:1px solid var(--border);border-radius:12px;outline:none;transition:border-color .2s,box-shadow .2s}.form-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0071e31f}.form-field::placeholder{color:var(--muted)}textarea.form-field{resize:vertical;min-height:120px}.form-status{font-size:.875rem;font-weight:600;padding:10px 16px;border-radius:10px;text-align:center}.form-status.success{background:#e8f9ed;color:#248a3d}.form-status.error{background:#feecec;color:#c93400}footer{border-top:1px solid var(--border);padding:32px 0}footer .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.footer-copy{font-size:.8125rem;color:var(--muted)}.footer-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.footer-links a{font-size:.8125rem;font-weight:500;color:var(--muted);text-decoration:none;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-btn);padding:6px 14px;transition:color .2s,border-color .2s,box-shadow .2s}.footer-links a:hover{color:var(--accent);border-color:#0071e359;box-shadow:0 2px 8px #0000000f}.footer-links a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (max-width: 768px){section{padding:72px 0}.nav-links{display:none}.burger{display:flex}.skills-header,.projects-header{flex-direction:column;align-items:flex-start;gap:.5rem}.hero-stats{flex-direction:column}.stat-item+.stat-item:before{top:0;left:10%;width:80%;height:1px}.contact-card{padding:40px 24px}.form-row{grid-template-columns:1fr}footer .container{flex-direction:column;text-align:center;gap:.75rem}.timeline:before{left:11px}.timeline-dot{width:11px;height:11px;left:6px}.timeline-item{padding-left:36px}}@media (max-width: 480px){.hero-title{font-size:clamp(2.4rem,10vw,3.5rem)}.projects-grid{grid-template-columns:1fr}}body{transition:background .3s,color .3s}:root[data-theme=dark]{--bg: #0b0b0c;--white: #161618;--ink: #f5f5f7;--muted: #a1a1a6;--accent: #2997ff;--accent-hover: #47a6ff;--border: rgba(255,255,255,.12);--nav-bg: rgba(22,22,24,.72);--menu-bg: rgba(22,22,24,.96);--pill-bg: rgba(255,255,255,.06);--pill-hover: rgba(255,255,255,.1);color-scheme:dark}[data-theme=dark] .ic-blue{background:#2997ff29}[data-theme=dark] .ic-orange{background:#ff9f0a29}[data-theme=dark] .ic-green{background:#30d15829}[data-theme=dark] .ic-purple{background:#bf5af229}[data-theme=dark] .ic-teal{background:#64d2ff29}[data-theme=dark] .ic-red{background:#ff453a29}[data-theme=dark] .ic-gray{background:#ffffff14}[data-theme=dark] .ic-yellow{background:#ffd60a29}[data-theme=dark] .tag-blue{background:#2997ff29;color:#64b5ff}[data-theme=dark] .tag-green{background:#30d15829;color:#30d158}[data-theme=dark] .tag-orange{background:#ff9f0a29;color:#ff9f0a}[data-theme=dark] .tag-purple{background:#bf5af22e;color:#d48cff}[data-theme=dark] .contact-icon{background:#2997ff29}[data-theme=dark] .form-status.success{background:#30d15829;color:#30d158}[data-theme=dark] .form-status.error{background:#ff453a29;color:#ff6961}[data-theme=dark] .form-field:focus{box-shadow:0 0 0 3px #2997ff40}[data-theme=dark] .btn-secondary:hover{border-color:#ffffff40}[data-theme=dark] .footer-links a:hover{border-color:#2997ff73}[data-theme=dark] .skill-card:hover,[data-theme=dark] .project-card:hover,[data-theme=dark] .timeline-item:hover .timeline-card,[data-theme=dark] .cert-pill:hover{box-shadow:0 8px 24px #00000080}