:root{
  --bg:#0b0b0d;
  --bg-soft:#111317;
  --panel:#14171b;
  --card:#171b20;
  --muted:#a7adb7;
  --accent:#f5f5f5;
  --text:#f8f8f8;
  --line:rgba(255,255,255,0.09);
  --shadow:0 20px 50px rgba(0,0,0,0.22);
  --pill:rgba(255,255,255,0.04);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:#0b0b0d;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,-apple-system,'Helvetica Neue',Arial;line-height:1.5}
body{padding-bottom:40px}
.container{max-width:1100px;margin:0 auto;padding:28px}
.site-header{padding:34px 0 10px}
.site-header h1{margin:0;font-size:clamp(2rem,4vw,3rem);letter-spacing:-0.06em}
.subtitle{color:var(--muted);margin:6px 0 0;font-size:1rem}

.profile{display:flex;gap:18px;align-items:center;padding:8px 0 18px}
.avatar{width:96px;height:96px;border-radius:18px;border:1px solid var(--line);object-fit:cover;box-shadow:var(--shadow)}
.profile-info{flex:1}
#bio{margin-top:12px;max-width:770px}
.links{margin-top:10px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.links a{color:var(--accent);font-weight:600;text-decoration:none}
.links a:hover{opacity:0.8}
.meta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.meta-pill{display:inline-flex;align-items:center;padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:var(--pill);color:var(--muted);text-decoration:none;font-size:0.82rem}

.nav-tabs{display:flex;flex-wrap:wrap;gap:12px;padding:6px 0 0;border-bottom:1px solid var(--line)}
.tab{background:transparent;border:1px solid transparent;color:var(--muted);padding:12px 14px;border-radius:10px 10px 0 0;cursor:pointer;font-weight:600;letter-spacing:0.02em;transition:all 0.2s ease}
.tab.is-active{background:rgba(255,255,255,0.03);color:var(--text);border-color:var(--line);border-bottom-color:transparent}
.tab:hover{color:var(--text)}

.tab-panel{display:none;padding-top:26px}
.tab-panel.is-active{display:block}
.controls{display:flex;gap:10px;align-items:center;margin-bottom:22px;flex-wrap:wrap}
.controls label{display:flex;align-items:center;gap:10px;color:var(--muted)}
.controls input{padding:10px 12px;min-width:220px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,0.02);color:var(--text)}
.controls input:focus{outline:none;border-color:rgba(255,255,255,0.22)}
.controls button{padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:var(--text);color:#111;cursor:pointer;font-weight:700;transition:transform 0.18s ease}
.controls button:hover{transform:translateY(-1px)}
.hint{color:var(--muted);font-size:0.8rem}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card,.info-card{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));padding:18px;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform 0.2s ease,border-color 0.2s ease}
.card:hover,.info-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,0.18)}
.card h3{margin:0 0 10px;font-size:1.1rem}
.card h3 a{color:var(--text);text-decoration:none}
.card p,.service-card p,.tool-list{margin:0;color:var(--muted);font-size:0.95rem}
.meta{display:flex;gap:10px;align-items:center;margin-top:12px;color:var(--muted);font-size:0.82rem}
.muted{color:var(--muted)}
.site-footer{padding:24px 0;color:var(--muted)}
a{color:var(--accent)}

.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:18px}
.service-card h3{margin:0 0 8px}
.tool-list{list-style:none;padding:0;margin-top:16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.tool-list li{padding:10px 12px;border-radius:10px;background:rgba(255,255,255,0.02);border:1px solid var(--line)}
.contact-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
.contact-links a{padding:8px 10px;border-radius:999px;border:1px solid var(--line);text-decoration:none}

@media (max-width:560px){
  .controls{flex-direction:column;align-items:stretch}
  .controls label{flex-direction:column;align-items:flex-start}
  .profile{flex-direction:column;align-items:flex-start}
  .nav-tabs{gap:8px}
  .tab{flex:1 1 45%}
  .container{padding:20px}
}