*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --gold:       #B8974A;
      --gold-light: #F9F4EA;
      --gold-dark:  #8A6E32;
      --navy:       #1A2340;
      --navy-mid:   #243055;
      --surface:    #F8F9FB;
      --white:      #FFFFFF;
      --text:       #0F172A;
      --muted:      #64748B;
      --border:     #E2E8F0;
    }
    html { scroll-behavior: smooth; }
    body { font-family: 'Inter', sans-serif; background: var(--white); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }

    /* NAV */
    nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--border); }
    .nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 32px; height: 68px; display: flex; align-items: center; justify-content: space-between; }
    .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
    .nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
    .nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--muted); text-decoration: none; transition: color 0.2s; }
    .nav-links a:hover { color: var(--text); }
    .nav-links a.active { color: var(--navy); font-weight: 600; border-bottom: 2px solid var(--gold); padding-bottom: 2px; }
    .nav-cta { background: var(--gold) !important; color: var(--white) !important; padding: 9px 20px !important; border-radius: 8px !important; font-weight: 600 !important; transition: background 0.2s !important; border-bottom: none !important; }
    .nav-cta:hover { background: var(--gold-dark) !important; }
    .nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
    .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; }

    /* HERO */
    .expertise-hero {
      background: var(--navy);
      padding: 140px 32px 0;
      position: relative;
      overflow: hidden;
    }
    .expertise-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 70% 80% at 100% 30%, rgba(184,151,74,0.15) 0%, transparent 60%),
                  radial-gradient(ellipse 40% 60% at 0% 100%, rgba(184,151,74,0.08) 0%, transparent 50%);
      pointer-events: none;
    }
    .expertise-hero-inner { max-width: 1200px; margin: 0 auto; position: relative; display: grid; grid-template-columns: 1fr 340px; gap: 60px; align-items: end; padding-bottom: 0; }
    .expertise-hero-text { padding-bottom: 64px; }
    .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.78rem; color: rgba(255,255,255,0.4); margin-bottom: 24px; flex-wrap: wrap; }
    .breadcrumb a { color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.2s; }
    .breadcrumb a:hover { color: rgba(255,255,255,0.7); }
    .breadcrumb-sep { opacity: 0.3; }
    .domain-tag { display: inline-block; font-size: 0.7rem; font-weight: 700; color: #C9A85C; background: rgba(184,151,74,0.15); border: 1px solid rgba(184,151,74,0.3); padding: 4px 14px; border-radius: 100px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 20px; }
    .expertise-hero h1 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700; color: var(--white); letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 20px; }
    .expertise-hero h1 span { color: var(--gold); }
    .expertise-hero-lead { font-size: 1.05rem; color: rgba(255,255,255,0.6); line-height: 1.8; max-width: 580px; }

    /* Hero visual card */
    .hero-visual {
      background: linear-gradient(135deg, rgba(184,151,74,0.12) 0%, rgba(36,48,85,0.5) 100%);
      border: 1px solid rgba(184,151,74,0.2);
      border-bottom: none;
      border-radius: 16px 16px 0 0;
      padding: 36px 28px;
      align-self: end;
    }
    .hero-visual-icon { width: 52px; height: 52px; background: rgba(184,151,74,0.15); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
    .hero-visual h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
    .hero-visual-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .hv-stat { background: rgba(255,255,255,0.05); border-radius: 10px; padding: 16px; }
    .hv-stat-num { font-size: 1.6rem; font-weight: 700; color: var(--gold); letter-spacing: -0.03em; }
    .hv-stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.4); margin-top: 2px; }

    /* NAV BAR CTA */
    .expertise-nav-cta {
      background: var(--gold-light);
      border-bottom: 1px solid rgba(184,151,74,0.2);
      padding: 0 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 48px;
      max-width: 100%;
    }
    .enc-back, .enc-forward {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--gold-dark);
      text-decoration: none;
      transition: color 0.2s;
    }
    .enc-back:hover, .enc-forward:hover { color: var(--navy); }

    /* BODY LAYOUT */
    .expertise-body { padding: 72px 32px 80px; }
    .expertise-body-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 300px; gap: 60px; align-items: start; }

    /* MAIN CONTENT */
    .content-section { margin-bottom: 48px; }
    .content-section h2 {
      font-size: 1.3rem; font-weight: 700; color: var(--navy); letter-spacing: -0.02em; margin-bottom: 16px;
      display: flex; align-items: center; gap: 12px;
    }
    .content-section h2::before { content: ''; display: block; width: 4px; height: 24px; background: var(--gold); border-radius: 2px; flex-shrink: 0; }
    .content-section p { font-size: 0.97rem; color: #334155; line-height: 1.9; margin-bottom: 16px; }

    .service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 20px; }
    .service-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 22px;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .service-card:hover { border-color: var(--gold); box-shadow: 0 4px 16px rgba(184,151,74,0.1); }
    .service-card-icon { width: 38px; height: 38px; background: var(--gold-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
    .service-card h3 { font-size: 0.92rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.3; }
    .service-card p { font-size: 0.84rem; color: var(--muted); line-height: 1.65; margin: 0; }

    .checklist { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
    .checklist li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; color: #334155; line-height: 1.7; }
    .checklist li::before { content: ''; display: block; width: 18px; height: 18px; background: var(--gold-light); border: 1.5px solid var(--gold); border-radius: 5px; flex-shrink: 0; margin-top: 3px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B8974A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-size: 11px; background-position: center; }

    .callout {
      background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
      border-radius: 16px;
      padding: 32px;
      margin: 32px 0;
      position: relative;
      overflow: hidden;
    }
    .callout::before { content: '"'; position: absolute; top: -20px; left: 20px; font-size: 120px; color: rgba(184,151,74,0.1); font-family: Georgia, serif; line-height: 1; pointer-events: none; }
    .callout p { font-size: 0.97rem; color: rgba(255,255,255,0.85); line-height: 1.8; font-style: italic; position: relative; }

    /* SIDEBAR */
    .expertise-sidebar { position: sticky; top: 88px; }
    .sidebar-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px; margin-bottom: 20px; }
    .sidebar-card h4 { font-size: 0.8rem; font-weight: 700; color: var(--navy); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
    .sidebar-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
    .btn-gold { display: inline-flex; align-items: center; gap: 8px; background: var(--gold); color: var(--white); padding: 12px 22px; border-radius: 10px; font-size: 0.875rem; font-weight: 600; text-decoration: none; width: 100%; justify-content: center; transition: background 0.2s; }
    .btn-gold:hover { background: var(--gold-dark); }
    .btn-outline { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid var(--border); color: var(--navy); padding: 11px 22px; border-radius: 10px; font-size: 0.875rem; font-weight: 600; text-decoration: none; width: 100%; justify-content: center; transition: border-color 0.2s; margin-top: 10px; }
    .btn-outline:hover { border-color: var(--navy); }

    .domain-list { list-style: none; display: flex; flex-direction: column; }
    .domain-list li { border-bottom: 1px solid var(--border); }
    .domain-list li:last-child { border-bottom: none; }
    .domain-list a { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; font-size: 0.855rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
    .domain-list a:hover { color: var(--navy); }
    .domain-list a.active-domain { color: var(--navy); font-weight: 600; }

    /* OTHER DOMAINS STRIP */
    .other-domains { background: var(--surface); border-top: 1px solid var(--border); padding: 60px 32px; }
    .other-domains-inner { max-width: 1200px; margin: 0 auto; }
    .other-domains h2 { font-size: 1.3rem; font-weight: 700; color: var(--navy); margin-bottom: 28px; letter-spacing: -0.02em; }
    .domain-cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .domain-mini-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 22px 20px;
      text-decoration: none;
      display: flex;
      align-items: flex-start;
      gap: 14px;
      transition: box-shadow 0.2s, transform 0.2s;
    }
    .domain-mini-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.06); transform: translateY(-2px); }
    .domain-mini-num { font-size: 0.72rem; font-weight: 700; color: var(--gold); background: var(--gold-light); padding: 3px 9px; border-radius: 6px; flex-shrink: 0; margin-top: 2px; }
    .domain-mini-title { font-size: 0.88rem; font-weight: 700; color: var(--navy); line-height: 1.3; }

    /* CTA */
    .cta-section { background: var(--navy); padding: 80px 32px; text-align: center; }
    .cta-inner { max-width: 620px; margin: 0 auto; }
    .cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; color: var(--white); letter-spacing: -0.03em; margin-bottom: 16px; }
    .cta-section p { font-size: 1rem; color: rgba(255,255,255,0.6); line-height: 1.75; margin-bottom: 32px; }
    .cta-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--gold); color: var(--white); padding: 14px 32px; border-radius: 10px; font-size: 0.95rem; font-weight: 700; text-decoration: none; transition: background 0.2s; }
    .cta-btn:hover { background: var(--gold-dark); }

    /* FOOTER */
    footer { background: var(--navy); padding: 60px 32px 32px; color: rgba(255,255,255,0.5); border-top: 1px solid rgba(255,255,255,0.07); }
    .footer-inner { max-width: 1200px; margin: 0 auto; }
    .footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.07); }
    .footer-brand p { margin-top: 14px; font-size: 0.875rem; line-height: 1.7; max-width: 280px; color: rgba(255,255,255,0.45); }
    .footer-col h4 { font-size: 0.75rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 18px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
    .footer-col ul li a:hover { color: var(--white); }
    .footer-bottom { padding-top: 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; }
    .footer-bottom-right { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.3); }

    /* ANIMATIONS */
    .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
    .reveal.in-view { opacity: 1; transform: none; }

    @media (max-width: 1024px) {
      .expertise-hero-inner { grid-template-columns: 1fr; }
      .hero-visual { display: none; }
      .expertise-body-inner { grid-template-columns: 1fr; }
      .expertise-sidebar { position: static; }
      .domain-cards-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-toggle { display: flex; }
      .expertise-hero { padding: 110px 20px 0; }
      .expertise-hero-text { padding-bottom: 48px; }
      .expertise-body { padding: 48px 20px; }
      .service-grid { grid-template-columns: 1fr; }
      .other-domains { padding: 48px 20px; }
      .domain-cards-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; gap: 32px; }
    }