:root {
      --primary-blue: #0056b3;
      --dark-blue: #003b7a;
      --light-blue: #eaf4ff;
      --soft-blue: #f5faff;
      --text-dark: #172033;
      --text-muted: #5d6b82;
      --border-color: #dbe9f8;
      --white: #ffffff;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: "Poppins", sans-serif;
      color: var(--text-dark);
      background: var(--white);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
    }

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

    .section-padding {
      padding: 90px 0;
    }

    .section-subtitle {
      color: var(--primary-blue);
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      font-size: 14px;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 16px;
    }

    .section-title span {
      color: var(--primary-blue);
    }

    .section-text {
      color: var(--text-muted);
      font-size: 16px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    .btn-blue {
      background: var(--primary-blue);
      color: var(--white);
      border: 1px solid var(--primary-blue);
      padding: 12px 26px;
      font-weight: 700;
      border-radius: 50px;
      transition: all 0.3s ease;
    }

    .btn-blue:hover {
      background: var(--dark-blue);
      border-color: var(--dark-blue);
      color: var(--white);
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(0, 86, 179, 0.24);
    }

    .btn-outline-blue {
      background: var(--white);
      color: var(--primary-blue);
      border: 1px solid var(--primary-blue);
      padding: 12px 26px;
      font-weight: 700;
      border-radius: 50px;
      transition: all 0.3s ease;
    }

    .btn-outline-blue:hover {
      background: var(--primary-blue);
      color: var(--white);
      transform: translateY(-2px);
    }

    /* Top Bar */
    .top-bar {
      background: var(--dark-blue);
      color: var(--white);
      font-size: 14px;
      padding: 8px 0;
    }

    .top-bar i {
      color: #b9dcff;
      margin-right: 6px;
    }

    /* Header */
    .main-navbar {
      background: var(--white);
      box-shadow: 0 8px 30px rgba(0, 59, 122, 0.08);
      padding: 14px 0;
      position: sticky;
      top: 0;
      z-index: 999;
    }

    .navbar-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--primary-blue) !important;
      font-weight: 800;
      font-size: 30px;
      letter-spacing: 0.4px;
      line-height: 1.15;
    }

    .navbar-brand img {
      /* width: 58px; */
      height: auto;
    }

    .brand-small {
      display: block;
      color: var(--text-muted);
      font-size: 17px;
      font-weight: 600;
      letter-spacing: 2px;
      text-transform: uppercase;
    }

    .navbar-nav .nav-link {
      color: var(--text-dark);
      font-weight: 600;
      padding: 10px 14px !important;
      font-size: 15px;
      transition: all 0.3s ease;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--primary-blue);
    }

    .dropdown-menu {
      border: 1px solid var(--border-color);
      box-shadow: 0 18px 40px rgba(0, 59, 122, 0.12);
      border-radius: 14px;
      padding: 10px;
    }

    .dropdown-item {
      border-radius: 10px;
      padding: 10px 14px;
      font-weight: 500;
    }

    .dropdown-item:hover {
      background: var(--light-blue);
      color: var(--primary-blue);
    }

    /* Inner Banner */
    .inner-banner {
      position: relative;
      min-height: 430px;
      display: flex;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(0, 43, 91, 0.88), rgba(0, 86, 179, 0.74)),
        url("../images/Banner/2.jpg");
      background-size: cover;
      background-position: center;
      color: var(--white);
      overflow: hidden;
    }

    .inner-banner::before {
      content: "";
      position: absolute;
      width: 380px;
      height: 380px;
      right: -130px;
      top: -140px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.1);
    }

    .inner-banner::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      left: -90px;
      bottom: -90px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
    }

    .inner-banner-content {
      position: relative;
      z-index: 2;
      max-width: 850px;
      text-align: center;
      margin: 0 auto;
      padding: 80px 0;
    }

    .banner-subtitle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      border-radius: 50px;
      background: rgba(255, 255, 255, 0.16);
      border: 1px solid rgba(255, 255, 255, 0.28);
      color: var(--white);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .inner-banner h1 {
      font-size: 54px;
      line-height: 1.12;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .inner-banner p {
      color: rgba(255, 255, 255, 0.9);
      font-size: 18px;
      max-width: 740px;
      margin: 0 auto 24px;
    }

    .breadcrumb {
      margin-bottom: 0;
      justify-content: center;
    }

    .breadcrumb-item,
    .breadcrumb-item.active {
      color: rgba(255, 255, 255, 0.86);
      font-weight: 600;
    }

    .breadcrumb-item a {
      color: var(--white);
    }

    .breadcrumb-item + .breadcrumb-item::before {
      color: rgba(255, 255, 255, 0.75);
    }

    /* Gallery */
    .gallery-section {
      background:
        radial-gradient(circle at top left, rgba(0, 86, 179, 0.07), transparent 32%),
        linear-gradient(180deg, #ffffff 0%, #f5faff 100%);
      position: relative;
      overflow: hidden;
    }

    .gallery-section::before {
      content: "";
      position: absolute;
      width: 380px;
      height: 380px;
      right: -150px;
      top: 130px;
      border-radius: 50%;
      background: rgba(0, 86, 179, 0.06);
    }

    .gallery-section .container {
      position: relative;
      z-index: 2;
    }

    .gallery-intro-box {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 26px;
      padding: 34px;
      box-shadow: 0 16px 45px rgba(0, 59, 122, 0.08);
      margin-bottom: 45px;
    }

    .gallery-intro-box p {
      color: var(--text-muted);
      font-size: 15.8px;
      line-height: 1.9;
      text-align: justify;
      margin-bottom: 0;
    }

    .gallery-filter {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-bottom: 42px;
    }

    .gallery-filter button {
      border: 1px solid var(--border-color);
      background: var(--white);
      color: var(--text-dark);
      padding: 10px 22px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 800;
      transition: all 0.3s ease;
    }

    .gallery-filter button.active,
    .gallery-filter button:hover {
      background: var(--primary-blue);
      color: var(--white);
      border-color: var(--primary-blue);
      box-shadow: 0 12px 28px rgba(0, 86, 179, 0.22);
    }

    .gallery-card {
      position: relative;
      height: 100%;
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(0, 59, 122, 0.08);
      transition: all 0.35s ease;
    }

    .gallery-card:hover {
      transform: translateY(-8px);
      border-color: #b8dcff;
      box-shadow: 0 24px 60px rgba(0, 86, 179, 0.15);
    }

    .gallery-img {
      position: relative;
      height: 285px;
      background: linear-gradient(135deg, #ffffff 0%, #f7fbff 45%, #eaf4ff 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 26px;
      overflow: hidden;
    }

    .gallery-img::before {
      content: "";
      position: absolute;
      width: 230px;
      height: 230px;
      right: -80px;
      top: -80px;
      border-radius: 50%;
      background: rgba(0, 86, 179, 0.08);
    }

    .gallery-img img {
      max-height: 225px;
      width: auto;
      object-fit: contain;
      position: relative;
      z-index: 2;
      transition: all 0.4s ease;
    }

    .gallery-card:hover .gallery-img img {
      transform: scale(1.07);
    }

    .gallery-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 4;
      background: var(--primary-blue);
      color: var(--white);
      font-size: 12px;
      font-weight: 800;
      padding: 7px 13px;
      border-radius: 50px;
      box-shadow: 0 10px 24px rgba(0, 86, 179, 0.25);
    }

    .gallery-overlay {
      position: absolute;
      inset: 0;
      background: rgba(0, 43, 91, 0.78);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      visibility: hidden;
      transition: all 0.35s ease;
      z-index: 5;
    }

    .gallery-card:hover .gallery-overlay {
      opacity: 1;
      visibility: visible;
    }

    .gallery-view-btn {
      width: 56px;
      height: 56px;
      border: 0;
      border-radius: 50%;
      background: var(--white);
      color: var(--primary-blue);
      font-size: 24px;
      display: grid;
      place-items: center;
      transition: all 0.3s ease;
    }

    .gallery-view-btn:hover {
      background: var(--primary-blue);
      color: var(--white);
    }

    .gallery-body {
      padding: 22px 18px;
      text-align: center;
      min-height: 108px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .gallery-body h3 {
      color: var(--text-dark);
      font-size: 19px;
      line-height: 1.35;
      font-weight: 800;
      margin-bottom: 5px;
    }

    .gallery-body p {
      color: var(--text-muted);
      font-size: 14px;
      margin-bottom: 0;
    }

    /* Modal */
    .gallery-modal .modal-content {
      border: 0;
      border-radius: 26px;
      overflow: hidden;
      box-shadow: 0 28px 80px rgba(0, 43, 91, 0.25);
    }

    .gallery-modal .modal-header {
      background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
      color: var(--white);
      border: 0;
      padding: 20px 26px;
    }

    .gallery-modal .modal-title {
      font-weight: 800;
      font-size: 22px;
    }

    .gallery-modal .btn-close {
      filter: invert(1);
      opacity: 1;
    }

    .gallery-modal .modal-body {
      background: var(--soft-blue);
      padding: 28px;
    }

    .modal-gallery-img {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 22px;
      padding: 26px;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 420px;
    }

    .modal-gallery-img img {
      max-height: 560px;
      width: auto;
      object-fit: contain;
      margin: 0 auto;
    }

    /* CTA */
    .gallery-cta {
      background: var(--white);
      padding: 80px 0;
    }

    .cta-box {
      background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
      border-radius: 30px;
      padding: 55px;
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .cta-box::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.12);
      right: -70px;
      bottom: -90px;
    }

    .cta-box h2 {
      font-weight: 800;
      font-size: 36px;
      margin-bottom: 12px;
    }

    .cta-box p {
      color: rgba(255, 255, 255, 0.86);
      margin-bottom: 0;
    }

    .cta-btn {
      position: relative;
      z-index: 2;
      color: var(--primary-blue);
      border-radius: 50px;
      padding: 14px 30px;
      font-weight: 800;
    }

    /* Footer */
    .footer {
      background: #071d38;
      color: rgba(255, 255, 255, 0.78);
      padding-top: 75px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--white);
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .footer-logo img {
      width: 58px;
      height: auto;
    }

    .footer h5 {
      color: var(--white);
      font-weight: 800;
      margin-bottom: 20px;
      font-size: 18px;
    }

    .footer p {
      color: rgba(255, 255, 255, 0.72);
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 11px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.72);
      transition: all 0.3s ease;
    }

    .footer-links a:hover {
      color: var(--white);
      padding-left: 4px;
    }

    .footer-contact-item {
      display: flex;
      gap: 12px;
      margin-bottom: 14px;
    }

    .footer-contact-item i {
      color: #b9dcff;
      font-size: 18px;
      margin-top: 4px;
      min-width: 18px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 18px 0;
      margin-top: 55px;
      text-align: center;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.66);
    }

    .footer-bottom p {
      margin-bottom: 0;
    }

    /* Responsive */
    @media (max-width: 1199px) {
      .inner-banner h1 {
        font-size: 46px;
      }

      .section-title {
        font-size: 34px;
      }
    }

    @media (max-width: 991px) {
      .section-padding {
        padding: 70px 0;
      }

      .top-bar {
        text-align: center;
      }

      .top-bar .top-right {
        margin-top: 6px;
      }

      .navbar-collapse {
        background: var(--white);
        padding: 16px 0 8px;
      }

      .inner-banner {
        min-height: 360px;
      }

      .inner-banner h1 {
        font-size: 39px;
      }

      .inner-banner p {
        font-size: 16px;
      }

      .gallery-img {
        height: 270px;
      }

      .cta-box {
        padding: 42px 30px;
      }
    }

    @media (max-width: 767px) {
      .navbar-brand {
        font-size: 20px;
      }

      .navbar-brand img {
        width: 48px;
      }

      .section-padding {
        padding: 60px 0;
      }

      .section-title {
        font-size: 29px;
      }

      .inner-banner h1 {
        font-size: 32px;
      }

      .gallery-intro-box {
        padding: 24px;
      }

      .gallery-intro-box p {
        text-align: left;
      }

      .gallery-img {
        height: 255px;
      }

      .modal-gallery-img {
        min-height: 320px;
      }

      .gallery-modal .modal-body {
        padding: 20px;
      }

      .cta-box {
        text-align: center;
        border-radius: 24px;
      }

      .cta-box h2 {
        font-size: 27px;
      }
    }

    @media (max-width: 575px) {
      .section-padding {
        padding: 50px 0;
      }

      .inner-banner h1 {
        font-size: 29px;
      }

      .inner-banner p {
        font-size: 15px;
      }

      .banner-subtitle {
        font-size: 12px;
      }

      .gallery-filter {
        justify-content: flex-start;
      }

      .gallery-filter button {
        font-size: 13px;
        padding: 9px 16px;
      }

      .gallery-img {
        height: 235px;
      }

      .gallery-body h3 {
        font-size: 18px;
      }

      .footer-logo {
        font-size: 19px;
      }
    }