:root{--bg: #0a0a0a;--bg-surface: #141414;--bg-surface-hover: #1e1e1e;--text: #e8e8e8;--text-muted: #999;--accent: #fff;--border: #2a2a2a;--font-heading: 'Space Grotesk', sans-serif;--font-body: 'Inter', sans-serif;--max-width: 1100px;--nav-height: 72px;--radius: 12px;--transition: 0.25s ease}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none;transition:opacity var(--transition)}a:hover{opacity:0.7}img{max-width:100%;display:block}ul{list-style:none}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--accent)}h1{font-size:clamp(2.5rem, 6vw, 4.5rem)}h2{font-size:clamp(1.75rem, 4vw, 2.5rem)}h3{font-size:clamp(1.15rem, 2.5vw, 1.4rem)}.section-label{font-family:var(--font-body);font-size:0.8rem;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-muted);margin-bottom:1rem}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}section{padding:6rem 0}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-height);background:rgba(10,10,10,0.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-container{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;height:100%}.nav-logo{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--accent)}.nav-logo:hover{opacity:1}.nav-links{display:flex;gap:2rem}.nav-links a{font-size:0.9rem;font-weight:500;color:var(--text-muted);transition:color var(--transition)}.nav-links a:hover,.nav-links a.active{color:var(--accent);opacity:1}.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.nav-toggle-bar{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}@media (max-width: 768px){.nav-toggle{display:flex}.nav-links{position:fixed;top:var(--nav-height);left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--border);padding:1.5rem;gap:1.25rem;transform:translateY(calc(-100% - var(--nav-height)));visibility:hidden;transition:transform 0.3s ease, visibility 0s linear 0.3s}.nav-links.nav-open{transform:translateY(0);visibility:visible;transition:transform 0.3s ease, visibility 0s linear 0s}.nav-links a{font-size:1.1rem}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}}.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-height)}.hero .hero-content{max-width:720px}.hero .hero-role{display:inline-block;font-size:0.85rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);padding:0.35rem 1rem;border-radius:100px;margin-bottom:1.5rem}.hero h1{margin-bottom:1.25rem}.hero .hero-description{font-size:1.15rem;color:var(--text-muted);max-width:560px;margin-bottom:2.5rem;line-height:1.8}.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:0.5rem;font-family:var(--font-body);font-size:0.9rem;font-weight:500;padding:0.75rem 1.5rem;border-radius:100px;border:1px solid var(--border);color:var(--text);background:transparent;cursor:pointer;transition:background var(--transition),border-color var(--transition)}.btn:hover{background:var(--bg-surface-hover);border-color:var(--text-muted);opacity:1}.btn svg{width:18px;height:18px}.btn-primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}.btn-primary:hover{opacity:0.85;background:var(--accent)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));gap:1.5rem;margin-top:2.5rem}.skill-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;transition:border-color var(--transition),transform var(--transition)}.skill-card:hover{border-color:var(--text-muted);transform:translateY(-2px)}.skill-card .skill-icon{font-size:1.75rem;margin-bottom:1rem}.skill-card h3{margin-bottom:0.75rem}.skill-card p{color:var(--text-muted);font-size:0.9rem;line-height:1.7}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));gap:1.5rem;margin-top:2.5rem}.project-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;display:flex;flex-direction:column;transition:border-color var(--transition),transform var(--transition)}.project-card:hover{border-color:var(--text-muted);transform:translateY(-2px)}.project-card h3{margin-bottom:0.75rem}.project-card .project-description{color:var(--text-muted);font-size:0.9rem;line-height:1.7;flex:1}.project-card .project-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin:1.25rem 0}.project-card .project-tag{font-size:0.75rem;font-weight:500;padding:0.25rem 0.75rem;border-radius:100px;background:var(--bg-surface-hover);color:var(--text-muted);border:1px solid var(--border)}.project-card .project-links{display:flex;gap:1rem;margin-top:auto}.project-card .project-links a{font-size:0.85rem;font-weight:500;color:var(--text-muted);display:inline-flex;align-items:center;gap:0.35rem}.project-card .project-links a:hover{color:var(--accent);opacity:1}.project-card .project-links a svg{width:16px;height:16px}.experience-list{margin-top:2.5rem;position:relative;padding-left:2rem}.experience-list::before{content:'';position:absolute;left:0;top:0.5rem;bottom:0.5rem;width:1px;background:var(--border)}.experience-item{position:relative;padding-bottom:3rem}.experience-item:last-child{padding-bottom:0}.experience-item::before{content:'';position:absolute;left:-2rem;top:0.6rem;width:9px;height:9px;border-radius:50%;background:var(--text-muted);border:2px solid var(--bg);transform:translateX(-4px)}.experience-item .experience-date{font-size:0.8rem;font-weight:500;color:var(--text-muted);margin-bottom:0.25rem}.experience-item h3{margin-bottom:0.15rem}.experience-item .experience-company{color:var(--text-muted);font-size:0.95rem;margin-bottom:0.75rem}.experience-item ul{list-style:disc;padding-left:1.25rem}.experience-item ul li{color:var(--text-muted);font-size:0.9rem;line-height:1.7;margin-bottom:0.25rem}.contact{text-align:center}.contact .contact-description{color:var(--text-muted);font-size:1.1rem;max-width:520px;margin:1rem auto 2rem;line-height:1.8}.contact .contact-links{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.site-footer{border-top:1px solid var(--border);padding:2.5rem 0}.footer-container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-container p{font-size:0.85rem;color:var(--text-muted)}.footer-links{display:flex;gap:1.25rem}.footer-links a{color:var(--text-muted);transition:color var(--transition)}.footer-links a:hover{color:var(--accent);opacity:1}.page-404{min-height:80vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding-top:var(--nav-height)}.page-404 h1{margin-bottom:1rem}.page-404 p{color:var(--text-muted);margin-bottom:2rem}