:root {
      --bg: #ffffff;
      --bg-2: #f8f9fb;
      --bg-3: #f1f3f7;
      --border: #e2e8f0;
      --gold: #b8860b;
      --gold-glow: rgba(184,134,11,0.1);
      --text: #0f172a;
      --muted: #64748b;
      --green: #059669;
      --red: #dc2626;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', sans-serif;
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
    }

    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      max-width: 1280px; margin: 0 auto; padding: 0 32px; height: 84px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .nav-logo img { height: 68px; width: auto; display: block; transition: opacity 0.2s, transform 0.2s; }
    .nav-logo img:hover { opacity: 0.82; transform: scale(1.03); }
    .nav-logo-fallback { font-family: 'JetBrains Mono', monospace; font-size: 18px; font-weight: 700; color: var(--gold); letter-spacing: 0.05em; text-decoration: none; }
    .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
    .nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; letter-spacing: 0.03em; transition: color 0.2s; }
    .nav-links a:hover { color: var(--text); }
    .nav-cta { color: var(--gold) !important; border: 1px solid var(--gold) !important; padding: 8px 20px !important; transition: background 0.2s, color 0.2s !important; }
    .nav-cta:hover { background: var(--gold) !important; color: var(--bg) !important; }
    .hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; flex-direction: column; gap: 5px; }
    .hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-nav { display: none; position: fixed; top: 84px; left: 0; right: 0; bottom: 0; background: var(--bg-2); z-index: 999; flex-direction: column; align-items: center; justify-content: center; gap: 32px; border-top: 1px solid var(--border); }
    .mobile-nav.open { display: flex; }
    .mobile-nav a { font-size: 20px; font-weight: 600; color: var(--text); text-decoration: none; transition: color 0.2s; }
    .mobile-nav a:hover { color: var(--gold); }
    .mobile-nav .nav-cta { border: 1px solid var(--gold) !important; padding: 12px 28px !important; font-size: 16px !important; }

    .breadcrumb-bar { margin-top: 84px; border-bottom: 1px solid var(--border); background: var(--bg-2); }
    .breadcrumb-inner { max-width: 1280px; margin: 0 auto; padding: 14px 32px; display: flex; align-items: center; gap: 8px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--muted); }
    .breadcrumb-inner a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
    .breadcrumb-inner a:hover { color: var(--gold); }
    .breadcrumb-sep { color: var(--border); }
    .breadcrumb-current { color: var(--text); font-weight: 600; }

    .profile-section { max-width: 1280px; margin: 0 auto; padding: 72px 32px 96px; }
    .profile-grid { display: grid; grid-template-columns: 380px 1fr; gap: 72px; align-items: start; }
    .profile-photo-wrap { width: 100%; aspect-ratio: 3/4; overflow: hidden; background: var(--bg-3); border: 1px solid var(--border); }
    .profile-photo { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: grayscale(10%); transition: filter 0.3s; display: block; }
    .profile-photo:hover { filter: grayscale(0%); }
    .profile-meta { margin-top: 24px; border: 1px solid var(--border); background: var(--bg-2); }
    .profile-meta-row { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
    .profile-meta-row:last-child { border-bottom: none; }
    .profile-meta-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
    .profile-meta-value { font-size: 14px; color: var(--text); font-weight: 500; line-height: 1.5; }
    .lang-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
    .lang-chip { font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 700; letter-spacing: 0.08em; color: var(--muted); border: 1px solid var(--border); padding: 3px 10px; background: var(--bg); }
    .cta-card { margin-top: 24px; background: var(--bg-2); border: 1px solid var(--border); border-top: 3px solid var(--gold); padding: 28px 24px; }
    .cta-card-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
    .cta-card-text { font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 18px; }
    .btn-gold { display: block; background: var(--gold); color: var(--bg); font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 14px 20px; text-decoration: none; text-align: center; transition: opacity 0.2s; }
    .btn-gold:hover { opacity: 0.88; }
    .profile-header { margin-bottom: 36px; }
    .profile-back { display: inline-flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.08em; color: var(--muted); text-decoration: none; text-transform: uppercase; margin-bottom: 28px; transition: color 0.2s; }
    .profile-back:hover { color: var(--gold); }
    .profile-back svg { width: 12px; height: 12px; }
    .profile-name { font-size: clamp(28px, 4vw, 44px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 10px; }
    .profile-title { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.06em; color: var(--gold); text-transform: uppercase; margin-bottom: 20px; line-height: 1.6; }
    .bio-section { margin-bottom: 48px; }
    .section-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
    .bio-text { font-size: 16px; color: var(--muted); line-height: 1.8; }
    .bio-text p + p { margin-top: 16px; }
    .expertise-section { margin-bottom: 48px; }
    .expertise-list { list-style: none; border: 1px solid var(--border); }
    .expertise-item { display: flex; align-items: center; gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--text); font-weight: 500; transition: background 0.2s; }
    .expertise-item:last-child { border-bottom: none; }
    .expertise-item:hover { background: var(--bg-2); }
    .expertise-dot { width: 8px; height: 8px; background: var(--gold); flex-shrink: 0; }
    hr.divider { border: none; border-top: 1px solid var(--border); margin: 0; }
    .cta-section { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .cta-inner { max-width: 1280px; margin: 0 auto; padding: 80px 32px; text-align: center; }
    .cta-title { font-size: clamp(24px, 3.5vw, 40px); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
    .cta-sub { color: var(--muted); font-size: 16px; max-width: 560px; margin: 0 auto 36px; line-height: 1.7; }
    .btn-gold-lg { display: inline-block; background: var(--gold); color: var(--bg); font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 16px 40px; text-decoration: none; transition: opacity 0.2s; }
    .btn-gold-lg:hover { opacity: 0.88; }
    footer { background: var(--bg-2); border-top: 1px solid var(--border); }
    .footer-inner { max-width: 1280px; margin: 0 auto; padding: 64px 32px 40px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 64px; margin-bottom: 48px; }
    .footer-brand img { height: 36px; margin-bottom: 16px; }
    .footer-brand-name { font-family: 'JetBrains Mono', monospace; font-size: 16px; font-weight: 700; color: var(--gold); margin-bottom: 12px; }
    .footer-desc { color: var(--muted); font-size: 13px; line-height: 1.7; }
    .footer-col h4 { font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color 0.2s; }
    .footer-col ul li a:hover { color: var(--gold); }
    .footer-contact-item { font-size: 13px; color: var(--muted); margin-bottom: 10px; display: flex; flex-direction: column; gap: 2px; }
    .footer-contact-item span.contact-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--border); }
    .footer-contact-item a { color: var(--gold); text-decoration: none; }
    .footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
    .footer-copy { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); letter-spacing: 0.03em; }
    .xfirm-bar { display: flex; align-items: center; gap: 10px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); letter-spacing: 0.05em; }
    .xfirm-dot { width: 7px; height: 7px; background: var(--green); display: inline-block; animation: pulse 2s infinite; }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

    /* PROFILE HERO */
    .profile-hero { background: var(--bg-2); border-bottom: 3px solid var(--gold); padding: 56px 32px 52px; }
    .profile-hero-inner { max-width: 1280px; margin: 0 auto; }
    .ph-back { display: inline-flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.08em; color: var(--muted); text-decoration: none; text-transform: uppercase; margin-bottom: 28px; transition: color 0.2s; }
    .ph-back:hover { color: var(--gold); }
    .ph-back svg { width: 12px; height: 12px; }
    .ph-specialty { font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
    .ph-specialty::before { content: ''; display: block; width: 28px; height: 2px; background: var(--gold); }
    .ph-name { font-family: 'Plus Jakarta Sans', sans-serif; font-size: clamp(44px, 7vw, 80px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.0; color: var(--text); margin-bottom: 12px; }
    .ph-role { font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase; margin-bottom: 36px; }
    .ph-stats { display: inline-flex; align-items: stretch; border: 1px solid var(--border); background: var(--bg); }
    .ph-stat { padding: 14px 24px; display: flex; flex-direction: column; gap: 3px; }
    .ph-stat-val { font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
    .ph-stat-label { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
    .ph-stat-sep { width: 1px; background: var(--border); flex-shrink: 0; }

    @media (max-width: 1024px) {
      .profile-grid { grid-template-columns: 320px 1fr; gap: 48px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .profile-hero { padding: 36px 20px 32px; }
      .ph-name { font-size: clamp(36px, 9vw, 52px); }
      .ph-stats { flex-wrap: wrap; }
      .profile-grid { grid-template-columns: 1fr; }
      .profile-photo-wrap { max-width: 100%; aspect-ratio: 3/4; }
      .footer-grid { grid-template-columns: 1fr; }
    }