:root{--bg:#0b0f14;--text:#e5e7eb;--muted:#9ca3af;--primary:#6366f1;--surface:#111827;--border:#1f2937;--card:#0f172a;--accent:#22c55e}
[data-theme="light"],.light-mode{--bg:#f8fafc;--text:#0f172a;--muted:#475569;--primary:#4f46e5;--surface:#ffffff;--border:#e2e8f0;--card:#ffffff;--accent:#16a34a}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,sans-serif;line-height:1.6}
.container{width:100%;max-width:1000px;margin:0 auto;padding:0 1rem}
.header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{color:var(--text);text-decoration:none;font-weight:700;letter-spacing:.4px}
.nav{display:flex;gap:.75rem;align-items:center}
.nav-link{color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:.5rem}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.menu-toggle{display:none;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:.5rem .75rem;border-radius:.5rem}
.avatar-btn{display:inline-flex;align-items:center;justify-content:center;background:transparent;border:none;margin-left:.25rem}
.avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--border);background:var(--surface)}
.avatar-fallback{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(34,197,94,.25));color:var(--text);font-weight:700;border:1px solid var(--border)}
.hero{padding:96px 0;background:linear-gradient(135deg,rgba(99,102,241,.2),transparent),radial-gradient(1200px 600px at 100% 0,rgba(34,197,94,.12),transparent)}
.hero h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 .5rem;font-weight:800}
.subtitle{color:var(--muted);font-size:1.125rem}
.hero-actions{display:flex;gap:.75rem;margin-top:1rem}
.section{padding:64px 0;border-top:1px solid var(--border)}
.cover{object-fit:cover}
img,video,canvas{max-width:100%;height:auto;display:block}
.video-16x9{width:100%;aspect-ratio:16/9}
.muted{color:var(--muted)}
.skill-bars{display:flex;flex-direction:column;gap:1rem}
.skill{display:flex;flex-direction:column;gap:.4rem}
.skill-meta{display:flex;justify-content:space-between;color:var(--muted)}
.bar{height:12px;background:var(--surface);border:1px solid var(--border);border-radius:999px;overflow:hidden}
.fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .9s ease}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:.75rem;overflow:hidden;display:flex;flex-direction:column}
.project{cursor:pointer}
.card-media{height:140px;background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(34,197,94,.25))}
.card-body{padding:1rem;display:flex;flex-direction:column;gap:.5rem}
.media-grid{display:grid;grid-template-columns:1fr;gap:1rem}
.profile{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:1rem}
.profile-photo{width:120px;height:120px;object-fit:cover;border-radius:50%;border:2px solid var(--border);background:var(--surface)}
.upload{display:flex;gap:.5rem;align-items:center}
.slider{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:.75rem;background:var(--card);aspect-ratio:16/9;max-width:800px;margin:0 auto}
.slides{display:flex;transition:transform .4s ease;height:100%}
.slides img{width:100%;height:100%;flex:0 0 100%;object-fit:cover;display:block}
.slide-btn{position:absolute;top:50%;transform:translateY(-50%);background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:.5rem;padding:.4rem .6rem}
.slide-btn.prev{left:.5rem}
.slide-btn.next{right:.5rem}
.back-to-top{position:fixed;right:1rem;bottom:1rem;background:var(--primary);color:#fff;border:none;border-radius:999px;width:40px;height:40px;display:none;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.back-to-top.show{display:flex}
.footer{border-top:1px solid var(--border);padding:24px 0;background:var(--surface);color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:.6rem;padding:.6rem 1rem;text-decoration:none;border:1px solid transparent;user-select:none}
.btn.primary{background:var(--primary);color:white}
.btn.primary:hover{filter:brightness(1.05)}
.btn.secondary{background:var(--accent);color:#04120d}
.btn.secondary:hover{filter:brightness(1.05)}
.btn.outline{background:transparent;border-color:var(--border);color:var(--text)}
.btn.outline:hover{background:rgba(255,255,255,.06)}
.btn.small{padding:.4rem .7rem;font-size:.9rem}
.form{max-width:600px}
.form-row{display:flex;flex-direction:column;gap:.4rem;margin-bottom:.8rem}
.form input,.form textarea{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:.6rem;padding:.6rem}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.2)}
.form-status{margin-top:.75rem;color:var(--accent)}
@media (max-width:860px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){
.nav{position:fixed;inset:64px 0 auto 0;background:var(--surface);border-bottom:1px solid var(--border);padding:1rem;display:none;flex-direction:column}
.nav.open{display:flex}
.menu-toggle{display:inline-flex}
.hero{padding:72px 0}
.grid{grid-template-columns:1fr}
}