    :root {
      --primary: #0f766e;
      --primary-dark: #0b5f59;
      --accent: #d8f0ec;
      --text: #1f2937;
      --muted: #6b7280;
      --bg: #f5f7f8;
      --white: #ffffff;
      --line: rgba(15, 118, 110, 0.15);
      --shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
      --radius: 22px;
      --max: 1200px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.7;
      overflow-x: hidden;
      word-break: break-word;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    img {
      max-width: 100%;
      display: block;
    }

    .container {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      background: rgba(255, 255, 255, 0.9);
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 76px;
      gap: 20px;
    }

    .brand {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
      flex: 1;
    }

    .brand strong {
      font-size: 20px;
      letter-spacing: 0.3px;
      line-height: 1.3;
    }

    .brand span {
      font-size: 12px;
      color: var(--muted);
      letter-spacing: 1px;
      text-transform: uppercase;
      line-height: 1.4;
    }

    .menu {
      display: flex;
      gap: 22px;
      color: #374151;
      font-size: 14px;
      flex-shrink: 0;
    }

    .menu a:hover,
    .mobile-menu a:hover {
      color: var(--primary);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid rgba(15, 118, 110, 0.15);
      background: #fff;
      border-radius: 12px;
      padding: 0;
      cursor: pointer;
      flex-shrink: 0;
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--primary);
      margin: 5px auto;
      border-radius: 999px;
      transition: 0.25s ease;
    }

    .mobile-menu {
      display: none;
      padding: 0 20px 18px;
      background: rgba(255, 255, 255, 0.96);
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .mobile-menu.active {
      display: grid;
      gap: 10px;
    }

    .mobile-menu a {
      display: block;
      padding: 12px 14px;
      background: #f8fbfb;
      border: 1px solid var(--line);
      border-radius: 12px;
      font-size: 15px;
    }

    .hero {
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(15, 118, 110, 0.95), rgba(10, 88, 84, 0.96)),
        url('images/hero-office-building.jpg') center/cover;
      color: white;
      padding: 86px 0 72px;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -8% -60px auto;
      width: 460px;
      height: 460px;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
      gap: 36px;
      align-items: center;
    }

    .eyebrow {
      display: inline-block;
      padding: 7px 14px;
      border: 1px solid rgba(255, 255, 255, 0.26);
      border-radius: 999px;
      font-size: 13px;
      letter-spacing: 1px;
      margin-bottom: 18px;
      background: rgba(255, 255, 255, 0.08);
    }

    h1 {
      margin: 0 0 18px;
      font-size: clamp(32px, 5vw, 60px);
      line-height: 1.15;
      letter-spacing: 0.5px;
    }

    .hero p {
      margin: 0 0 16px;
      font-size: 17px;
      color: rgba(255, 255, 255, 0.88);
      max-width: 760px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 22px;
      border-radius: 999px;
      font-weight: 600;
      transition: 0.25s ease;
      border: 1px solid transparent;
      min-height: 48px;
      text-align: center;
    }

    .btn-primary {
      background: white;
      color: var(--primary);
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, 0.3);
      color: white;
      background: rgba(255, 255, 255, 0.06);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .hero-card {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
      box-shadow: var(--shadow);
      border-radius: 26px;
      padding: 28px;
      min-width: 0;
    }

    .hero-card h3 {
      margin: 0 0 18px;
      font-size: 22px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .stat {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.08);
      min-width: 0;
    }

    .stat strong {
      display: block;
      font-size: 28px;
      margin-bottom: 6px;
      line-height: 1.2;
    }

    .countup {
      display: inline-flex;
      align-items: baseline;
      gap: 2px;
      white-space: nowrap;
      flex-wrap: nowrap;
    }

    .countup .value {
      min-width: 3ch;
    }

    section {
      padding: 78px 0;
    }

    .section-head {
      margin-bottom: 28px;
    }

    .section-head .tag {
      color: var(--primary);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: inline-block;
    }

    .section-head h2 {
      margin: 0 0 10px;
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.25;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      max-width: 820px;
    }

    .intro-grid,
    .strength-grid,
    .timeline,
    .gm-grid,
    .gallery-grid,
    .contact-grid {
      display: grid;
      gap: 24px;
    }

    .intro-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      align-items: stretch;
    }

    .card {
      background: var(--white);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 28px;
      border: 1px solid rgba(0, 0, 0, 0.03);
      min-width: 0;
    }

    .card h3 {
      margin: 0 0 12px;
      font-size: 24px;
      line-height: 1.35;
    }

    .muted {
      color: var(--muted);
    }

    .image-card {
      overflow: hidden;
      min-height: 360px;
      padding: 0;
    }

    .image-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .strength-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .strength-item {
      background: linear-gradient(180deg, #ffffff, #f9fbfb);
      border-radius: 22px;
      padding: 24px;
      border: 1px solid var(--line);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.04);
      min-width: 0;
    }

    .strength-item .num {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 12px;
    }

    .timeline {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      position: relative;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: calc(50% - 1px);
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(
        to bottom,
        rgba(15, 118, 110, 0.06),
        rgba(15, 118, 110, 0.32),
        rgba(15, 118, 110, 0.06)
      );
    }

    .timeline-item {
      position: relative;
      background: white;
      border-radius: 24px;
      padding: 26px;
      box-shadow: var(--shadow);
      border: 1px solid rgba(15, 118, 110, 0.08);
      opacity: 0;
      transform: translateY(48px);
      filter: blur(8px);
      transition: opacity 0.8s ease, transform 0.8s ease, filter 0.8s ease;
      min-width: 0;
    }

    .timeline-item.is-visible {
      opacity: 1;
      transform: translateY(0);
      filter: blur(0);
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      top: 34px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.12);
    }

    .timeline-item.left::before {
      right: -31px;
    }

    .timeline-item.right::before {
      left: -31px;
    }

    .year {
      display: inline-block;
      margin-bottom: 10px;
      font-size: 34px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }

    .timeline-item h3 {
      margin: 0 0 10px;
      font-size: 22px;
      line-height: 1.4;
    }

    .gm-wrap {
      background: linear-gradient(135deg, #0f766e 0%, #106d68 100%);
      border-radius: 32px;
      padding: 32px;
      color: white;
      box-shadow: var(--shadow);
    }

    .gm-grid {
      grid-template-columns: 320px minmax(0, 1fr);
      align-items: start;
    }

    .gm-photo {
      border-radius: 24px;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .gm-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .gm-name {
      font-size: 42px;
      line-height: 1.1;
      margin: 0 0 8px;
    }

    .gm-en {
      font-size: 18px;
      opacity: 0.88;
      margin-bottom: 18px;
      letter-spacing: 1px;
      word-break: break-all;
    }

    .quote {
      margin: 16px 0 24px;
      padding: 22px 24px;
      border-left: 4px solid rgba(255, 255, 255, 0.85);
      background: rgba(255, 255, 255, 0.08);
      border-radius: 0 18px 18px 0;
      font-size: 20px;
      line-height: 1.8;
    }

    .gm-note {
      padding: 24px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      font-size: 16px;
      color: rgba(255, 255, 255, 0.9);
    }

    .gallery-grid {
      grid-template-columns: 1.1fr 0.9fr 0.9fr;
    }

    .gallery-grid .card {
      padding: 0;
      overflow: hidden;
      min-height: 260px;
    }

    .gallery-grid img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .contact-grid {
      grid-template-columns: 1.15fr 0.85fr;
      align-items: stretch;
    }

    .contact-list {
      display: grid;
      gap: 14px;
      margin-top: 18px;
    }

    .contact-item {
      padding: 16px 18px;
      background: #f8fbfb;
      border-radius: 16px;
      border: 1px solid var(--line);
    }

    footer {
      padding: 28px 0 46px;
      color: var(--muted);
      font-size: 14px;
    }

    .site-privacy {
      margin-top: 7px;
      font-size: 12px;
    }

    .site-privacy a {
      color: var(--primary);
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .privacy-page {
      min-height: 100vh;
      padding: 64px 0;
      background: #f5f7f8;
    }

    .privacy-card {
      width: min(860px, calc(100% - 32px));
      margin: 0 auto;
      padding: clamp(24px, 5vw, 54px);
      background: #fff;
      border: 1px solid rgba(15, 118, 110, 0.12);
      border-radius: 24px;
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.07);
    }

    .privacy-card h1 {
      color: #1f2937;
      font-size: clamp(30px, 5vw, 46px);
    }

    .privacy-card h2 {
      margin-top: 34px;
      color: var(--primary);
    }

    .privacy-card p,
    .privacy-card li {
      color: #5f6d77;
    }

    .privacy-card a {
      color: var(--primary);
      font-weight: 700;
    }

    .privacy-en {
      margin-top: 42px;
      padding-top: 34px;
      border-top: 1px solid rgba(15, 118, 110, 0.14);
    }

    @media (max-width: 1080px) {
      .hero-grid,
      .intro-grid,
      .gm-grid,
      .contact-grid,
      .strength-grid,
      .gallery-grid,
      .timeline {
        grid-template-columns: 1fr;
      }

      .timeline::before {
        display: none;
      }

      .timeline-item.left::before,
      .timeline-item.right::before {
        display: none;
      }

      .image-card {
        min-height: 300px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(var(--max), calc(100% - 24px));
      }

      .nav {
        min-height: 64px;
        gap: 12px;
      }

      .brand strong {
        font-size: 16px;
      }

      .brand span {
        font-size: 10px;
        letter-spacing: 0.6px;
      }

      .menu {
        display: none;
      }

      .menu-toggle {
        display: block;
      }

      .hero {
        padding: 56px 0 44px;
      }

      .eyebrow {
        font-size: 12px;
        padding: 6px 12px;
        margin-bottom: 14px;
      }

      h1 {
        font-size: 30px;
        line-height: 1.25;
        letter-spacing: 0;
      }

      .hero p {
        font-size: 15px;
        line-height: 1.8;
      }

      .hero-actions {
        flex-direction: column;
        gap: 12px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .hero-card,
      .card,
      .gm-wrap {
        padding: 20px;
        border-radius: 20px;
      }

      .hero-stats {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .stat strong {
        font-size: 24px;
      }

      section {
        padding: 52px 0;
      }

      .section-head {
        margin-bottom: 20px;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .section-head p,
      .card p,
      .strength-item p,
      .timeline-item p,
      .contact-item,
      .gm-note {
        font-size: 14px;
        line-height: 1.8;
      }

      .card h3,
      .timeline-item h3 {
        font-size: 20px;
      }

      .strength-item {
        padding: 20px;
        border-radius: 18px;
      }

      .strength-item .num {
        font-size: 30px;
      }

      .timeline-item {
        padding: 20px;
        border-radius: 18px;
        opacity: 1;
        transform: none;
        filter: none;
      }

      .year {
        font-size: 28px;
      }

      .gm-grid {
        gap: 18px;
      }

      .gm-photo {
        max-width: 100%;
      }

      .gm-name {
        font-size: 30px;
      }

      .gm-en {
        font-size: 15px;
        margin-bottom: 14px;
      }

      .quote {
        font-size: 17px;
        line-height: 1.75;
        padding: 16px 18px;
        margin: 14px 0 18px;
      }

      .image-card,
      .gallery-grid .card {
        min-height: 220px;
      }

      .contact-list {
        gap: 12px;
      }

      .contact-item {
        padding: 14px 16px;
        border-radius: 14px;
      }

      footer {
        font-size: 13px;
        padding: 22px 0 34px;
      }
    }

    @media (max-width: 480px) {
      .container {
        width: calc(100% - 20px);
      }

      .brand strong {
        font-size: 15px;
      }

      .brand span {
        font-size: 9px;
      }

      h1 {
        font-size: 26px;
      }

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

      .hero-card,
      .card,
      .gm-wrap {
        padding: 16px;
      }

      .section-head h2 {
        font-size: 24px;
      }

      .card h3,
      .timeline-item h3 {
        font-size: 18px;
      }

      .gm-name {
        font-size: 26px;
      }

      .quote {
        font-size: 16px;
      }

      .image-card,
      .gallery-grid .card {
        min-height: 190px;
      }
    }

    .contact-item strong::after {
      content: " ";
    }

    .language-switcher {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 7px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(15, 118, 110, 0.18);
      box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      flex-shrink: 0;
    }

    .language-switcher-desktop {
      margin-left: 2px;
    }

    .language-switcher-mobile {
      display: none;
      margin-top: 4px;
      padding: 8px;
      width: 100%;
      justify-content: center;
      border-radius: 16px;
      background: rgba(248, 251, 251, 0.94);
      box-shadow: none;
    }

    .lang-btn {
      appearance: none;
      border: 0;
      border-radius: 999px;
      background: rgba(15, 118, 110, 0.08);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.3px;
      min-width: 40px;
      height: 32px;
      padding: 0 10px;
      cursor: pointer;
      transition: 0.22s ease;
      font-family: inherit;
      line-height: 1;
    }

    .lang-btn:hover,
    .lang-btn.active {
      background: var(--primary);
      color: #fff;
      transform: translateY(-1px);
    }

    body.lang-ar [data-i18n] {
      direction: rtl;
      unicode-bidi: plaintext;
    }

    body.lang-ar .language-switcher,
    body.lang-ar .countup,
    body.lang-ar .brand,
    body.lang-ar .menu,
    body.lang-ar .mobile-menu {
      direction: ltr;
    }

    @media (max-width: 768px) {
      .language-switcher-desktop {
        display: none;
      }

      .language-switcher-mobile {
        display: flex;
      }

      .language-switcher-mobile .lang-btn {
        flex: 1;
        min-width: 0;
        height: 38px;
      }
    }

  
    /* ===== Header brand layout refinement: final fix ===== */
    .topbar {
      z-index: 9999;
    }

    .topbar .nav {
      display: grid !important;
      grid-template-columns: minmax(245px, 285px) minmax(0, 1fr) auto auto;
      align-items: center;
      column-gap: clamp(12px, 1.5vw, 22px);
      min-height: 84px;
    }

    .topbar .brand {
      width: 100%;
      max-width: 285px;
      min-width: 0;
      flex: initial !important;
    }

    .topbar .brand strong {
      display: block;
      max-width: 285px;
      font-size: clamp(18px, 1.45vw, 22px);
      line-height: 1.16;
      letter-spacing: 0.1px;
      word-break: normal;
      overflow-wrap: normal;
      hyphens: none;
    }

    .topbar .brand span {
      display: block;
      max-width: 285px;
      margin-top: 7px;
      font-size: 11px;
      line-height: 1.35;
      letter-spacing: 0.72px;
      text-transform: uppercase;
      word-break: normal;
      overflow-wrap: normal;
      hyphens: none;
      text-wrap: balance;
    }

    .topbar .menu {
      min-width: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: clamp(10px, 1vw, 18px);
      font-size: clamp(13px, 0.9vw, 15px);
      line-height: 1.2;
    }

    .topbar .menu a {
      white-space: nowrap;
    }

    .topbar .language-switcher-desktop {
      justify-self: end;
      margin-left: 0;
      padding: 6px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    }

    .topbar .lang-btn {
      min-width: 38px;
      height: 31px;
      padding: 0 10px;
    }

    @media (min-width: 1261px) {
      .topbar .menu-toggle {
        display: none !important;
      }

      .topbar .mobile-menu {
        display: none !important;
      }
    }

    @media (max-width: 1260px) {
      .topbar .nav {
        grid-template-columns: minmax(0, 1fr) auto;
        min-height: 72px;
      }

      .topbar .brand {
        max-width: 420px;
      }

      .topbar .brand strong {
        max-width: 420px;
        font-size: 18px;
      }

      .topbar .brand span {
        max-width: 420px;
      }

      .topbar .menu,
      .topbar .language-switcher-desktop {
        display: none !important;
      }

      .topbar .menu-toggle {
        display: block !important;
      }

      .topbar .mobile-menu {
        padding: 10px 20px 18px;
      }

      .topbar .mobile-menu.active {
        display: grid;
        gap: 10px;
      }
    }

    @media (max-width: 768px) {
      .topbar .nav {
        grid-template-columns: minmax(0, 1fr) auto;
        min-height: 68px;
        gap: 12px;
      }

      .topbar .brand strong {
        font-size: 16px;
        line-height: 1.2;
        max-width: 280px;
      }

      .topbar .brand span {
        max-width: 280px;
        font-size: 9.5px;
        letter-spacing: 0.55px;
        line-height: 1.35;
      }

      .topbar .language-switcher-mobile {
        display: flex;
        width: 100%;
        margin-top: 6px;
        justify-content: center;
      }
    }

    @media (max-width: 420px) {
      .topbar .brand strong {
        font-size: 15px;
        max-width: 235px;
      }

      .topbar .brand span {
        max-width: 235px;
        font-size: 9px;
      }
    }
