:root{
    --navy:#0A2342; --royal:#1D4ED8; --royal-dark:#1741B5; --teal:#14B8A6;
    --bg:#F8FAFC; --surface:#FFFFFF; --text:#111827; --text-muted:#4B5563; --border:#E5E7EB;
    --success:#10B981;
    --shadow-sm:0 1px 2px rgba(10,35,66,0.06); --shadow-md:0 8px 24px rgba(10,35,66,0.08); --shadow-lg:0 20px 40px rgba(10,35,66,0.14);
    --radius:16px;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;}
  h1,h2,h3,h4{font-family:'Poppins',sans-serif;margin:0;color:var(--navy);letter-spacing:-0.01em;}
  a{color:inherit;text-decoration:none;}
  .container{max-width:1280px;margin:0 auto;padding:0 24px;}
  @media(min-width:1024px){.container{padding:0 64px;}}
  section{padding:56px 0;}
  @media(min-width:1024px){section{padding:80px 0;}}

  header{height:80px;display:flex;align-items:center;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;width:100%;}
  .logo{display:flex;align-items:center;gap:10px;font-family:'Poppins',sans-serif;font-weight:700;font-size:18px;color:var(--navy);}
  .logo-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--navy),var(--royal));display:flex;align-items:center;justify-content:center;flex:none;}
  .logo-mark svg{width:16px;height:16px;}
  nav.primary-nav{display:none;gap:28px;}
  nav.primary-nav a{font-size:14.5px;font-weight:500;color:var(--text-muted);}
  nav.primary-nav a:hover{color:var(--navy);}
  nav.primary-nav a.active{color:var(--royal);font-weight:600;}
  @media(min-width:1024px){nav.primary-nav{display:flex;}}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14.5px;padding:12px 22px;border-radius:10px;cursor:pointer;border:none;transition:.2s;}
  .btn-primary{background:var(--royal);color:#fff;}
  .btn-primary:hover{background:var(--royal-dark);}
  .btn-ghost{background:none;color:var(--navy);}

  .page-hero{background:linear-gradient(135deg,var(--navy),#123a70);color:#fff;padding:56px 0 48px;}
  .breadcrumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px;}
  .page-hero h1{color:#fff;font-size:34px;}
  .page-hero p{color:rgba(255,255,255,.75);margin-top:10px;max-width:560px;}

  .contact-layout{display:grid;grid-template-columns:1fr;gap:40px;}
  @media(min-width:1024px){.contact-layout{grid-template-columns:1fr 1fr;gap:56px;}}

  .form-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:36px;box-shadow:var(--shadow-md);}
  .form-card h3{font-size:22px;margin-bottom:8px;}
  .form-card .sub{color:var(--text-muted);font-size:14.5px;margin-bottom:26px;}
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:13.5px;font-weight:600;color:var(--navy);margin-bottom:7px;}
  .field input, .field select, .field textarea{
    width:100%;height:46px;border:1px solid var(--border);border-radius:10px;padding:0 14px;
    font-family:'Inter',sans-serif;font-size:14.5px;color:var(--text);
  }
  .field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:110px;}
  .field input:focus, .field select:focus, .field textarea:focus{outline:none;border-color:var(--royal);box-shadow:0 0 0 3px rgba(29,78,216,.15);}
  .row-2{display:grid;grid-template-columns:1fr;gap:18px;}
  @media(min-width:480px){.row-2{grid-template-columns:1fr 1fr;}}

  .success-msg{display:none;text-align:center;padding:20px 0;}
  .success-msg.show{display:block;}
  .success-icon{width:56px;height:56px;border-radius:50%;background:rgba(16,185,129,.12);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--success);}

  .map-card{border-radius:20px;overflow:hidden;height:220px;position:relative;box-shadow:var(--shadow-md);margin-bottom:24px;}
  .map-card svg{width:100%;height:100%;}

  .office-list{display:flex;flex-direction:column;gap:14px;}
  .office-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px 20px;}
  .office-flag{font-size:24px;flex:none;}
  .office-item h4{font-size:16px;margin-bottom:6px;}
  .office-item p{color:var(--text-muted);font-size:13.5px;margin:2px 0;}

  .social-strip{display:flex;gap:12px;margin-top:24px;}
  .social-icons a{width:40px;height:40px;border-radius:50%;background:var(--bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--navy);font-weight:600;transition:.15s;}
  .social-icons a:hover{background:var(--royal);color:#fff;border-color:var(--royal);}

  footer{background:var(--navy);color:rgba(255,255,255,.7);padding:56px 0 28px;font-size:14px;text-align:center;}
  footer a:hover{color:#fff;}
  :focus-visible{outline:3px solid rgba(29,78,216,.45);outline-offset:2px;}