*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-main: #ffffff;--bg-alt: #f8fafc;--bg-card: #ffffff;--bg-subtle: #f1f5f9;--text-dark: #0f172a;--text-main: #334155;--text-muted: #64748b;--text-light: #94a3b8;--border: #e2e8f0;--border-hover: #cbd5e1;--accent: #2563eb;--accent-light: #eff6ff;--accent-border: #bfdbfe;--green-bg: #f0fdf4;--green-text: #166534;--green-border: #bbf7d0;--font-head: "Plus Jakarta Sans", "Inter", -apple-system, sans-serif;--font-body: "Inter", -apple-system, sans-serif;--font-mono: "JetBrains Mono", monospace;--max-w: 1080px;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 6px 20px rgba(0, 0, 0, .08);--t: .2s ease}html{scroll-behavior:smooth}body{font-family:var(--font-body);background-color:var(--bg-main);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:var(--t)}img{max-width:100%;display:block}button{cursor:pointer;border:none;background:none;font-family:inherit}ul{list-style:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;color:var(--text-dark);letter-spacing:-.025em;line-height:1.2}.highlight{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:var(--radius);font-family:var(--font-head);font-weight:600;font-size:.9rem;transition:var(--t)}.btn-primary{background:var(--text-dark);color:#fff;border:1px solid var(--text-dark)}.btn-primary:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-outline{background:transparent;color:var(--text-dark);border:1px solid var(--border)}.btn-outline:hover{background:var(--bg-subtle);border-color:var(--border-hover);color:var(--text-dark);transform:translateY(-1px)}.btn-sm{padding:7px 14px;font-size:.82rem;border-radius:var(--radius-sm)}.full-width{width:100%}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:#fffffff0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:var(--t)}.nav-container{max-width:var(--max-w);margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-family:var(--font-head);font-size:1.2rem;font-weight:800;color:var(--text-dark);letter-spacing:-.03em}.logo-dot{color:var(--accent)}.nav-links{display:flex;align-items:center;gap:4px}.nav-link{padding:6px 14px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:500;color:var(--text-muted);transition:var(--t)}.nav-link:hover{color:var(--text-dark);background:var(--bg-alt)}.nav-link.active{color:var(--text-dark);background:var(--bg-subtle);font-weight:600}.hamburger{display:none;flex-direction:column;gap:5px;padding:4px}.hamburger span{width:22px;height:2px;background:var(--text-dark);border-radius:2px;transition:var(--t)}.hero{padding-top:130px;padding-bottom:80px;border-bottom:1px solid var(--border);background:var(--bg-main)}.hero-container{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.2fr 300px;gap:60px;align-items:center}.badge-status{display:inline-flex;align-items:center;gap:8px;background:var(--green-bg);color:var(--green-text);border:1px solid var(--green-border);padding:4px 12px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;margin-bottom:20px}.status-dot{width:7px;height:7px;background:#16a34a;border-radius:50%}.hero-title{font-size:clamp(2.4rem,4.5vw,3.6rem);font-weight:800;line-height:1.1;margin-bottom:18px;letter-spacing:-.035em}.hero-subtitle{font-size:1.05rem;color:var(--text-muted);line-height:1.7;margin-bottom:30px;max-width:520px}.hero-cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:36px}.hero-stats{display:flex;align-items:center;gap:28px;padding-top:20px;border-top:1px solid var(--border)}.stat-box{display:flex;flex-direction:column}.stat-num{font-family:var(--font-head);font-size:1.5rem;font-weight:800;color:var(--text-dark);line-height:1}.stat-num span{color:var(--accent)}.stat-lbl{font-size:.75rem;color:var(--text-muted);margin-top:3px;font-weight:500}.hero-image-wrap{display:flex;justify-content:center}.avatar-frame{width:270px;height:290px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);background:var(--bg-alt)}.avatar-img{width:100%;height:100%;object-fit:cover}.section{padding:84px 0;border-bottom:1px solid var(--border)}.section-alt{background:var(--bg-alt)}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.section-header{margin-bottom:44px}.section-tag{display:inline-block;font-family:var(--font-mono);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:8px}.section-title{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;margin-bottom:8px}.section-subtitle{color:var(--text-muted);font-size:.98rem;max-width:500px}.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}.about-text p{color:var(--text-main);font-size:.98rem;line-height:1.8;margin-bottom:16px}.about-text p strong{color:var(--text-dark)}.info-card{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-xs)}.info-row{display:flex;flex-direction:column;padding:10px 0;border-bottom:1px solid var(--border)}.info-row:last-child{border-bottom:none;padding-bottom:0}.info-row:first-child{padding-top:0}.info-lbl{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-light);font-weight:600;margin-bottom:2px}.info-val{font-size:.9rem;font-weight:600;color:var(--text-dark)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.skill-category-card{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:var(--t)}.skill-category-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-xs)}.category-head{font-size:.98rem;font-weight:700;color:var(--text-dark);margin-bottom:14px;display:flex;align-items:center;gap:8px}.skills-pills{display:flex;flex-wrap:wrap;gap:6px}.skill-pill{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-main);border-radius:var(--radius-sm);padding:4px 10px;font-size:.8rem;font-weight:500;transition:var(--t)}.skill-pill:hover{background:var(--text-dark);color:#fff;border-color:var(--text-dark)}.projects-filter{display:flex;gap:8px;margin-bottom:32px;flex-wrap:wrap}.filter-btn{padding:6px 16px;border-radius:var(--radius-sm);font-size:.84rem;font-weight:600;border:1px solid var(--border);color:var(--text-muted);background:var(--bg-main);transition:var(--t)}.filter-btn:hover,.filter-btn.active{background:var(--text-dark);color:#fff;border-color:var(--text-dark)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.project-card{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:var(--t)}.project-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.project-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}.project-tag{font-family:var(--font-mono);font-size:.72rem;font-weight:600;color:var(--accent);background:var(--accent-light);border:1px solid rgba(37,99,235,.15);padding:2px 8px;border-radius:4px}.project-title{font-size:1.1rem;font-weight:700;margin-bottom:8px;color:var(--text-dark)}.project-desc{font-size:.88rem;color:var(--text-muted);line-height:1.6;margin-bottom:20px;flex:1}.project-footer{margin-top:auto}.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;background:var(--border)}.timeline-item{position:relative;margin-bottom:32px}.timeline-item:last-child{margin-bottom:0}.timeline-dot{position:absolute;left:-27px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--bg-main);border:2.5px solid var(--accent)}.timeline-card{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.timeline-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px}.timeline-date{font-size:.8rem;color:var(--accent);font-weight:600;font-family:var(--font-mono)}.timeline-title{font-size:1.05rem;font-weight:700;margin-bottom:4px}.timeline-org{font-size:.86rem;color:var(--text-muted);font-weight:500;margin-bottom:10px}.timeline-desc{font-size:.86rem;color:var(--text-main);line-height:1.65}.certs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.cert-card{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}.cert-issuer{font-family:var(--font-mono);font-size:.72rem;color:var(--accent);font-weight:600;text-transform:uppercase;margin-bottom:4px}.cert-title{font-size:1.05rem;font-weight:700;margin-bottom:6px}.cert-date{font-size:.8rem;color:var(--text-muted);margin-bottom:16px}.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:40px;align-items:start}.contact-info{display:flex;flex-direction:column;gap:12px}.contact-tile{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;align-items:center;gap:14px}.contact-tile-label{font-size:.7rem;text-transform:uppercase;color:var(--text-light);font-weight:600}.contact-tile-val{font-size:.88rem;font-weight:600;color:var(--text-dark)}.contact-form{background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow-xs)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.82rem;font-weight:600;color:var(--text-dark)}.form-control{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-alt);font-family:inherit;font-size:.9rem;color:var(--text-dark);outline:none;transition:var(--t)}.form-control:focus{border-color:var(--accent);background:var(--bg-main);box-shadow:0 0 0 3px #2563eb1a}textarea.form-control{resize:vertical;min-height:110px}.toast{position:fixed;bottom:24px;right:24px;background:var(--text-dark);color:#fff;padding:12px 20px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:500;box-shadow:var(--shadow-md);z-index:2000;transform:translateY(80px);opacity:0;transition:var(--t)}.toast.active{transform:translateY(0);opacity:1}.footer{padding:32px 0;background:var(--bg-alt);border-top:1px solid var(--border);text-align:center;font-size:.85rem;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:3000;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:var(--t)}.modal-overlay.active{opacity:1;pointer-events:all}.modal-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);max-width:650px;width:100%;max-height:88vh;overflow-y:auto;padding:32px;position:relative;box-shadow:var(--shadow-md)}.modal-close{position:absolute;top:16px;right:16px;font-size:1.4rem;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-muted);background:var(--bg-alt);transition:var(--t)}.modal-close:hover{color:var(--text-dark);background:var(--border)}@media (max-width: 900px){.hero-container{grid-template-columns:1fr;text-align:center;gap:36px}.hero-subtitle{margin:0 auto 28px}.hero-cta,.hero-stats{justify-content:center}.about-grid,.contact-grid{grid-template-columns:1fr}}@media (max-width: 768px){.nav-links{display:none;position:fixed;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;padding:20px;gap:10px}.nav-links.open,.hamburger{display:flex}.form-row{grid-template-columns:1fr}}