/* ----- reset & base ----- */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
      background: #fafcff;
      color: #1a2639;
      line-height: 1.5;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ----- header ----- */
    .header {
      background: #0b1a33;
      color: #fff;
      padding: 18px 0;
      border-bottom: 4px solid #f5b042;
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .header .container {
      /* flex-wrap: wrap; */
      align-items: center;
      justify-content: space-between;
      flex-direction: row;
    }

    .logo-area {
      width: 40%;
      display: flex;
      align-items: center;
      gap: 8px;
      /*border: solid 1px red;*/

    }

    .logo-icon {
      font-size: 2rem;
      color: #f5b042;
    }

    .company-name {
      font-size: 1.8rem;
      font-weight: 700;
      letter-spacing: -0.5px;
    }

    .company-name span {
      color: #f5b042;
      font-weight: 300;
    }

    .nav-list {
      margin-left: 250px;
      display: flex;
      gap: 32px;
      list-style: none;
      font-weight: 500;
      align-items: center;
      /* border: solid 1px green; */
    }

    .nav-list a {
      color: rgba(255,255,255,0.85);
      text-decoration: none;
      font-size: 1rem;
      transition: color 0.2s;
      letter-spacing: 0.3px;
      cursor: pointer;
    }

    .nav-list a:hover {
      color: #f5b042;
    }

    .nav-list a i {
      margin-right: 6px;
      font-size: 0.9rem;
    }

    /* language flags */
    .lang-flags {
      display: flex;
      gap: 8px;
      margin-left: 12px;
      border-left: 1px solid rgba(255,255,255,0.2);
      padding-left: 16px;
    }
    .lang-btn {
      background: transparent;
      border: none;
      cursor: pointer;
      font-size: 1.8rem;
      line-height: 1;
      transition: transform 0.2s, opacity 0.2s;
      opacity: 0.6;
      padding: 0 2px;
    }
    .lang-btn:hover {
      transform: scale(1.1);
      opacity: 1;
    }
    .lang-btn.active {
      opacity: 1;
      transform: scale(1.05);
      box-shadow: 0 0 0 2px #f5b042;
      border-radius: 30px;
    }

    .menu-toggle {
      display: none;
      font-size: 1.8rem;
      color: #fff;
      cursor: pointer;
    }

    /* ----- main content ----- */
    .main {
      padding: 48px 0 56px;
    }

    /* ----- hero sections (beautiful cards) ----- */
    .hero {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      margin-bottom: 48px;
      background: linear-gradient(145deg, #ffffff 0%, #f2f7ff 100%);
      padding: 48px 40px;
      border-radius: 40px;
      box-shadow: 0 12px 30px rgba(11, 26, 51, 0.06);
      transition: transform 0.2s ease, box-shadow 0.2s;
      scroll-margin-top: 100px; /* for smooth anchor offset */
    }

    .hero:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 40px rgba(11, 26, 51, 0.08);
    }

    .hero-content {
      flex: 1 1 300px;
    }

    .hero-content h1 {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 18px;
      color: #0b1a33;
    }

    .hero-content h1 i {
      color: #f5b042;
      margin-right: 8px;
    }

    .hero-content .highlight {
      color: #f5b042;
      border-bottom: 3px solid #f5b042;
      padding-bottom: 2px;
    }

    .hero-content p {
      font-size: 1.2rem;
      color: #2c3e5c;
      margin-bottom: 28px;
      max-width: 500px;
    }

    .cta-button {
      display: inline-block;
      background: #0b1a33;
      color: #fff;
      padding: 14px 40px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1rem;
      text-decoration: none;
      transition: all 0.2s ease;
      box-shadow: 0 6px 14px rgba(11, 26, 51, 0.15);
      border: 1px solid transparent;
    }

    .cta-button i {
      margin-right: 10px;
    }

    .cta-button:hover {
      background: #f5b042;
      color: #0b1a33;
      border-color: #f5b042;
      transform: translateY(-3px);
      box-shadow: 0 10px 24px rgba(245, 176, 66, 0.3);
    }

    .hero-image {
      flex: 1 1 300px;
      text-align: center;
    }

    .hero-image i {
      font-size: 10rem;
      color: #0b1a33;
      background: #eaf1fe;
      padding: 30px;
      border-radius: 60px;
      box-shadow: 0 20px 30px -8px rgba(0,0,0,0.08);
      transition: 0.2s;
    }

    .hero-image i:hover {
      transform: scale(1.02);
      color: #f5b042;
    }

    /* hero sections with different background tints */
    .hero:nth-child(even) {
      background: linear-gradient(145deg, #fcf9f0 0%, #f6f3e9 100%);
    }

    .hero .hero-title {
      font-size: 2.4rem;
      font-weight: 700;
      color: #0b1a33;
      margin-bottom: 16px;
    }

    .hero .hero-title i {
      color: #f5b042;
      margin-right: 12px;
    }

    .hero .hero-desc {
      font-size: 1.1rem;
      color: #1f334f;
      line-height: 1.7;
      max-width: 700px;
    }

    .hero .hero-desc strong {
      color: #0b1a33;
    }

    .hero .hero-desc ul {
      list-style: none;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px 20px;
      margin-top: 12px;
    }

    .hero .hero-desc ul li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero .hero-desc ul li i {
      color: #f5b042;
      width: 20px;
    }

    .hero .badge-cta {
      margin-top: 20px;
    }

    /* ----- services grid ----- */
    .section-title {
      font-size: 2.2rem;
      font-weight: 600;
      margin-bottom: 40px;
      color: #0b1a33;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .section-title i {
      color: #f5b042;
      font-size: 2rem;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 30px;
      margin-bottom: 60px;
    }

    .service-card {
      background: #fff;
      padding: 32px 24px;
      border-radius: 28px;
      box-shadow: 0 6px 18px rgba(0,0,0,0.03);
      transition: all 0.2s ease;
      border: 1px solid rgba(11, 26, 51, 0.03);
      text-align: center;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 30px -10px rgba(11, 26, 51, 0.08);
      border-color: #f5b04240;
    }

    .service-icon {
      font-size: 2.8rem;
      color: #f5b042;
      background: #fcf3e1;
      width: 80px;
      height: 80px;
      line-height: 80px;
      border-radius: 30px;
      margin: 0 auto 18px;
    }

    .service-card h3 {
      font-size: 1.3rem;
      margin-bottom: 12px;
      color: #0b1a33;
    }

    .service-card p {
      color: #3d4e6b;
      font-size: 0.95rem;
    }

    /* about section */
    .about-section {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 40px;
      background: #0b1a33;
      color: #fff;
      padding: 50px 44px;
      border-radius: 40px;
      margin-top: 20px;
      scroll-margin-top: 100px;
    }

    .about-text {
      flex: 2 1 300px;
    }

    .about-text h2 {
      font-size: 2rem;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .about-text h2 i {
      color: #f5b042;
    }

    .about-text p {
      opacity: 0.9;
      font-size: 1.05rem;
      max-width: 600px;
    }

    .about-stats {
      flex: 1 1 200px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      background: rgba(255,255,255,0.04);
      padding: 24px 28px;
      border-radius: 30px;
      backdrop-filter: blur(2px);
    }

    .stat-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.1rem;
    }

    .stat-item i {
      color: #f5b042;
      font-size: 1.8rem;
      width: 36px;
    }

    .stat-number {
      font-weight: 700;
      font-size: 1.6rem;
      color: #f5b042;
      margin-right: 4px;
    }

    /* footer */
    .footer {
      background: #0b1a33;
      color: rgba(255,255,255,0.8);
      padding: 40px 0 20px;
      border-top: 3px solid #f5b042;
      margin-top: 20px;
    }

    .footer-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 30px;
    }

    .footer-brand {
      flex: 2 1 240px;
    }

    .footer-brand .company-name {
      font-size: 1.6rem;
      margin-bottom: 8px;
      display: inline-block;
    }

    .footer-brand p {
      font-size: 0.95rem;
      max-width: 280px;
      opacity: 0.7;
      margin-top: 4px;
    }

    .footer-links {
      flex: 3 1 400px;
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      justify-content: space-around;
    }

    .footer-col h4 {
      color: #fff;
      font-weight: 600;
      margin-bottom: 12px;
      font-size: 1rem;
      letter-spacing: 0.5px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col li {
      margin-bottom: 8px;
    }

    .footer-col a {
      color: rgba(255,255,255,0.65);
      text-decoration: none;
      transition: color 0.2s;
      font-size: 0.95rem;
    }

    .footer-col a:hover {
      color: #f5b042;
    }

    .footer-col a i {
      margin-right: 8px;
      width: 18px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.06);
      margin-top: 28px;
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      opacity: 0.7;
    }

    .social-icons a {
      color: rgba(255,255,255,0.7);
      margin-left: 18px;
      font-size: 1.2rem;
      transition: 0.2s;
    }

    .social-icons a:hover {
      color: #f5b042;
    }

    /* responsive */
    @media (max-width: 768px) {
      .header .container { flex-wrap: wrap; }
      .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 8px;
        padding: 20px 0 8px;
        border-top: 1px solid rgba(255,255,255,0.08);
        margin-top: 14px;
      }
      .nav-list.active { display: flex; }
      .menu-toggle { display: block; }
      .lang-flags {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
        margin-top: 8px;
        justify-content: center;
      }

      .hero {
        padding: 32px 24px;
        flex-direction: column;
        text-align: center;
      }
      .hero-content p { margin-left: auto; margin-right: auto; }
      .hero-image i { font-size: 6rem; padding: 20px; }
      .hero-content h1 { font-size: 2.2rem; }
      .about-section { flex-direction: column; text-align: center; padding: 36px 24px; }
      .about-text p { margin-left: auto; margin-right: auto; }
      .footer-grid { flex-direction: column; gap: 20px; }
      .footer-links { justify-content: flex-start; }
    }

    @media (max-width: 480px) {
      .container { padding: 0 16px; }
      .company-name { font-size: 1.4rem; }
      .hero-content h1 { font-size: 1.8rem; }
      .section-title { font-size: 1.7rem; }
    }