:root{
  --accent:#6E49FF;
  --bg:#0b0f18; --card:#111727; --text:#e7ebf3; --muted:#a7b1c2; --border:#1b2438; --ring:rgba(110,73,255,.35);
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --radius:18px;
}
@media (prefers-color-scheme: light){
  :root{ --bg:#ffffff; --card:#fbfbfe; --text:#0f1728; --muted:#5a6375; --border:#e6e8f0; --ring:rgba(110,73,255,.2); --shadow:0 6px 22px rgba(17,24,39,.08); }
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--text);
     background:radial-gradient(1000px 600px at 10% -10%, rgba(110,73,255,.18), transparent 60%),
                radial-gradient(900px 500px at 100% 0%, rgba(110,73,255,.12), transparent 60%), var(--bg)}
a{color:var(--text)}
.wrap{max-width:860px;margin:0 auto;padding:28px 16px 96px}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.02);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
nav{max-width:860px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;position:relative}
.brand{display:flex;gap:10px;align-items:center;font-weight:700;letter-spacing:.2px;text-decoration:none}
.dot{width:10px;height:10px;border-radius:999px;background:var(--accent);box-shadow:0 0 24px var(--accent)}
.links{display:flex;gap:10px;align-items:center}
.link{opacity:.85;text-decoration:none;padding:8px 10px;border-radius:10px}
.link:hover{opacity:1;background:rgba(110,73,255,.1)}
.btn{display:inline-flex;gap:8px;align-items:center;background:var(--accent);color:#fff;text-decoration:none;padding:10px 14px;border-radius:12px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.12);transition:transform .15s ease}
.btn:hover{transform:translateY(-1px)}
section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin:18px 0;box-shadow:var(--shadow)}
h1,h2,h3{line-height:1.2;margin:0 0 10px}
h1{font-size:2rem}
h2{font-size:1.35rem;margin-top:6px}
p{margin:8px 0}
.muted{color:var(--muted)}
.card{border:1px solid var(--border);border-radius:16px;padding:16px;background:linear-gradient(180deg, rgba(255,255,255,.02), transparent);}
.row{display:flex;gap:14px;align-items:center}
.icon{width:48px;height:48px;border-radius:12px;overflow:hidden;display:grid;place-items:center}
.icon img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.title{font-weight:700}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.chip{border:1px solid var(--border);border-radius:12px;padding:8px 12px;display:flex;justify-content:space-between}
footer{max-width:860px;margin:0 auto;padding:28px 16px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ===== Responsive enhancements ===== */
.menu-btn{display:none}
@media (max-width: 720px){
  h1{font-size:1.6rem}
  .wrap{padding:20px 14px 80px}
  section{padding:18px}
  .kpi{grid-template-columns:1fr}
  .btn{width:100%;justify-content:center}
  .menu-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:rgba(255,255,255,.02);color:var(--text)}
  .links{display:none;position:absolute;right:16px;top:56px;background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:8px;flex-direction:column;min-width:220px}
  .links.open{display:flex}
  .link{padding:12px 10px;margin:2px 0}
}

section#contact .profile-img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #eee;
  display: block;
}