:root{
      --bg: #f4f6fb;
      --card: #ffffff;
      --text: #111827;
      --muted: #6b7280;
      --line: #e5e7eb;
      --line-soft: #eef2f7;
      --brand: #2563eb;
      --brand-2: #4f46e5;
      --brand-soft: #eff6ff;
      --shadow: 0 12px 30px rgba(15, 23, 42, .08);
      --shadow-soft: 0 6px 18px rgba(15, 23, 42, .06);
      --radius: 18px;
      --radius-sm: 12px;
    }

    *{ box-sizing:border-box; }

    html{
      scroll-behavior:smooth;
    }

    body{
      margin:0;
      font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
      background:
        radial-gradient(circle at top left, rgba(37,99,235,.08), transparent 28%),
        radial-gradient(circle at top right, rgba(79,70,229,.08), transparent 24%),
        var(--bg);
      color:var(--text);
    }

    a{
      color:inherit;
    }

    .top-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(17, 24, 39, .92);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 4px 18px rgba(0,0,0,.12);
    }

    .top-header .inner{
      max-width:1280px;
      margin:0 auto;
      padding:14px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      text-decoration:none;
    }

    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg, #3b82f6, #4f46e5);
      box-shadow:0 10px 22px rgba(37,99,235,.28);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      letter-spacing:.4px;
      flex:0 0 auto;
    }

    .brand-text{
      min-width:0;
    }

    .brand-text strong{
      display:block;
      color:#fff;
      font-size:14px;
      line-height:1.2;
      letter-spacing:.2px;
    }

    .brand-text span{
      display:block;
      color:rgba(229,231,235,.75);
      font-size:12px;
      margin-top:2px;
    }

    .nav{
      list-style:none;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      padding:0;
      margin:0;
      align-items:center;
      justify-content:flex-end;
    }

    .nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:10px 14px;
      border-radius:999px;
      text-decoration:none;
      color:#e5e7eb;
      font-weight:600;
      font-size:14px;
      transition:.18s ease;
      border:1px solid transparent;
      background:transparent;
      white-space:nowrap;
    }

    .nav a:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.10);
      color:#fff;
      transform:translateY(-1px);
    }

    .nav a.active{
      background:#fff;
      color:#111827;
      box-shadow:0 8px 18px rgba(0,0,0,.14);
    }

    .page{
      max-width:1280px;
      margin:0 auto;
      padding:22px 20px 40px;
    }

    .hero{
      background:
        linear-gradient(135deg, rgba(37,99,235,.10), rgba(79,70,229,.08)),
        rgba(255,255,255,.72);
      border:1px solid rgba(229,231,235,.9);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:22px;
      margin-bottom:18px;
      overflow:hidden;
      position:relative;
    }

    .hero::after{
      content:"";
      position:absolute;
      inset:auto -60px -90px auto;
      width:220px;
      height:220px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(37,99,235,.16), transparent 68%);
      pointer-events:none;
    }

    .hero h1{
      margin:0;
      font-size:clamp(26px, 4vw, 40px);
      line-height:1.1;
      letter-spacing:-.02em;
    }

    .hero p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:760px;
      font-size:15px;
      line-height:1.65;
    }

    .section{
      margin-top:18px;
    }

    .section-card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(229,231,235,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      margin-bottom:18px;
    }

    .section-head{
      padding:18px 20px 16px;
      border-bottom:1px solid var(--line-soft);
      background:linear-gradient(180deg, rgba(248,250,252,.9), rgba(255,255,255,1));
    }

    .section-head h2{
      margin:0;
      font-size:20px;
      line-height:1.2;
      letter-spacing:-.01em;
    }

    .section-head .hint{
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
    }

    .team-grid{
      display:grid;
      grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
      gap:14px;
      padding:18px 20px 20px;
    }

    .person{
      position:relative;
      background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.98));
      border:1px solid var(--line-soft);
      border-radius:16px;
      padding:16px 16px 14px;
      box-shadow:0 1px 0 rgba(255,255,255,.8) inset;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      overflow:hidden;
      min-height:96px;
    }

    .person::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:4px;
      background:linear-gradient(180deg, var(--brand), var(--brand-2));
      opacity:.95;
    }

    .person:hover{
      transform:translateY(-3px);
      border-color:#dbeafe;
      box-shadow:0 12px 24px rgba(15,23,42,.10);
    }

    .name{
      font-size:15px;
      line-height:1.35;
      font-weight:700;
      color:#0f172a;
      padding-left:8px;
    }

    .sub{
      margin-top:4px;
      padding-left:8px;
      color:var(--muted);
      font-size:13px;
      line-height:1.45;
      letter-spacing:.15px;
    }

    .desc{
      margin-top:10px;
      padding-left:8px;
      color:#374151;
      font-size:13px;
      line-height:1.5;
    }

    .role{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:10px;
      margin-left:8px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--brand-soft);
      color:#1d4ed8;
      font-size:12px;
      font-weight:700;
      line-height:1;
      width:fit-content;
    }

    .compact-grid{
      grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));
    }

    .two-column-note{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      margin:0;
      padding:0 20px 18px;
    }

    .footer-space{
      height:14px;
    }

    @media (max-width: 860px){
      .top-header .inner{
        flex-direction:column;
        align-items:flex-start;
      }

      .nav{
        justify-content:flex-start;
      }

      .page{
        padding:16px 14px 32px;
      }

      .hero{
        padding:18px 16px;
        border-radius:20px;
      }

      .section-head,
      .team-grid{
        padding-left:16px;
        padding-right:16px;
      }
    }

    @media (max-width: 560px){
      .brand-text span{
        display:none;
      }

      .nav{
        width:100%;
      }

      .nav a{
        width:100%;
        justify-content:flex-start;
      }

      .team-grid{
        grid-template-columns:1fr;
      }

      .hero p{
        font-size:14px;
      }

      .person{
        min-height:auto;
      }
    }