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

 body {
    font-family: 'Bai Jamjuree', sans-serif;
    overflow-x: hidden;
    font-size: 15px;
    color: #333;
    font-style: normal;
    font-optical-sizing: auto;
    line-height: 1.6;
    font-weight: 300
 }

 p {
    font-size: 15px
 }

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

 img {
    max-width: 100%;
    height: auto
 }

 table {
    width: 100%;
    border-collapse: collapse
 }

 th,
 td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid #ddd
 }

 .pb-120 {
    padding-bottom: 120px
 }

 .navbar {
    background-color: transparent;
    padding: 1rem 2rem;
    transition: all .3s ease;
    z-index: 1000
 }

 .navbar .container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap
 }

 .navbar-brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001
 }

 .navbar-brand img {
    height: 100px;
    width: auto
 }

 .navbar-nav .nav-link {
    color: #fff;
    font-size: .95rem;
    font-weight: 500;
    padding: .5rem 1rem !important;
    transition: color .3s ease;
    text-transform: uppercase;
    letter-spacing: .5px
 }

 .navbar-toggler {
    border-color: #00C4CC;
    z-index: 1001
 }

 .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300C4CC' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")
 }

 .navbar.scrolled {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .1)
 }

 .navbar.scrolled .navbar-nav .nav-link {
    color: #333 !important;
    font-weight: 500
 }

 @media(min-width:992px) {
    .navbar-nav .nav-link:hover {
       color: #00C4CC !important
    }
 }

 @media (max-width:992px) {
    .navbar {
       padding: .8rem 1rem;

    }

    .navbar-brand {
       position: relative;
       left: auto;
       transform: none;
       order: 2;
       margin: 0 auto
    }

    .navbar-toggler {
       order: 1
    }

    .navbar-collapse {
       order: 3;
       width: 100%;
       background-color: #00C4CC;
       margin-top: 0;
       padding: 1rem;
       position: absolute;
       top: 100%;
       left: 0;
       right: 0;
       z-index: 2000
    }



    .navbar .container-fluid {
       flex-wrap: wrap
    }

    .navbar-brand img {
       height: 50px
    }

    #navbarLeft,
    #navbarRight {
       margin: 0
    }

    .hero-title {
       font-size: 3rem;
       letter-spacing: 5px
    }

    .hero-subtitle {
       font-size: 1.5rem;
       letter-spacing: 3px
    }
 }

 @media (max-width:768px) {
    .navbar-nav .nav-link {
       padding: .7rem 1rem !important
    }

    .navbar.scrolled .navbar-nav .nav-link {
       color: #fff !important;
    }

    .hero-section {
       height: 50vh
    }

    .hero-title {
       font-size: 2.5rem;
       letter-spacing: 3px
    }

    .hero-subtitle {
       font-size: 1.2rem;
       letter-spacing: 2px
    }

    .swiper-slide img {
       height: 100vh
    }

    h1.about-hero-title {
       font-size: 3rem;
       letter-spacing: 5px;
       bottom: 30px;
    }

    h2.about-hero-subtitle {
       font-size: 1.5rem;
       letter-spacing: 3px;
       margin-bottom: 20px;
       text-indent: 0;
    }
 }

 @media (max-width:576px) {
    .navbar-brand img {
       height: 50px
    }

    .hero-title {
       font-size: 1.8rem;
       letter-spacing: 2px
    }

    .hero-subtitle {
       font-size: 1rem;
       letter-spacing: 1px
    }
 }

 .dropdown-menu {
    background-color: rgba(255, 255, 255, .95);
    border: none;
    display: none;
    opacity: 0;
    transition: opacity .3s ease
 }

 .dropdown-menu.show {
    display: block;
    opacity: 1
 }

 .dropdown-item {
    color: #333 !important;
    padding: .7rem 1.5rem;
    text-transform: uppercase;
    font-size: .95rem
 }

 .dropdown-item:hover,
 .dropdown-item.active {
    background-color: #00C4CC;
    color: #fff !important
 }

 .dropdown-toggle::after {
    display: none !important
 }

 .dropdown-toggle i {
    margin-left: .5rem;
    font-size: .75rem;
    transition: transform .3s ease
 }

 .dropdown:hover .dropdown-toggle i,
 .dropdown-toggle[aria-expanded="true"] i {
    transform: rotate(180deg)
 }

 @media (min-width:992px) {
    .dropdown:hover .dropdown-menu {
       display: block;
       opacity: 1
    }

    .dropdown-menu {
       margin-top: 0
    }
 }

 #navbarLeft {
    margin-right: auto
 }

 #navbarRight {
    margin-left: auto
 }

 .footer {
    background: url('../images/footer-bg.png') no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    padding: 80px 0 40px;
    text-align: center;
    position: relative
 }

 .footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(black, transparent)
 }

 .footer-container {
    position: relative;
    z-index: 1
 }

 .footer-logo-main img {
    height: 120px;
    width: auto;
    margin-bottom: 20px
 }

 .footer-company-name {
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    letter-spacing: 3px;
    color: #fff
 }

 .footer-company-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    color: #e0e0e0;
    margin-bottom: 40px;
    letter-spacing: 2px
 }

 .footer-info {
    max-width: 900px;
    margin: 0 auto 40px
 }

 .footer-info-item {
    font-size: 1.05rem;
    color: #d0d0d0;
    margin-bottom: 5px;
    line-height: 1.8
 }

 .footer-info-item strong {
    color: #fff;
    font-weight: 600
 }

 .footer-social-main {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px
 }

 .social-icon-main {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: #00C4CC;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: all .3s ease;
    text-decoration: none
 }

 .social-icon-main:hover {
    background: #00C4CC;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(51, 229, 245, .4);
    color: #fff
 }

 .footer-bottom-main {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, .1)
 }

 .footer-copyright-main {
    color: #999;
    font-size: .9rem;
    margin: 0
 }

 @media (max-width:992px) {
    .footer {
       padding: 60px 0 30px
    }

    .footer-company-name {
       font-size: 1.7rem
    }

    .footer-company-subtitle {
       font-size: 1.1rem
    }

    .footer-logo-main img {
       height: 100px
    }
 }

 @media (max-width:768px) {
    .footer {
       padding: 50px 0 25px;
       background-attachment: scroll
    }

    .footer-company-name {
       font-size: 1.5rem;
       letter-spacing: 2px
    }

    .footer-company-subtitle {
       font-size: 1rem
    }

    .footer-logo-main img {
       height: 80px
    }

    .footer-info-item {
       font-size: .95rem
    }

    .social-icon-main {
       width: 45px;
       height: 45px;
       font-size: 20px
    }
 }

 @media (max-width:576px) {
    .footer {
       padding: 40px 0 20px
    }

    .footer-company-name {
       font-size: 1.3rem;
       letter-spacing: 1px
    }

    .footer-company-subtitle {
       font-size: .9rem;
       letter-spacing: 1px
    }

    .footer-logo-main img {
       height: 70px
    }

    .footer-info-item {
       font-size: .9rem;
       margin-bottom: 12px
    }

    .footer-social-main {
       gap: 15px;
       flex-wrap: wrap;
       margin-top: 35px
    }

    .social-icon-main {
       width: 42px;
       height: 42px;
       font-size: 18px
    }

    .footer-bottom-main {
       margin-top: 40px;
       padding-top: 20px
    }

    .footer-copyright-main {
       font-size: .85rem
    }
 }

 .about-hero {
    min-height: 300px;
    background: url('../images/slide01.png');
    background-size: cover;
    background-position: left center;
    display: flex;
    align-items: end;
    justify-content: center;
    position: relative
 }

 .about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    z-index: 1
 }

 .about-hero-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center
 }

 .about-hero-title {
    --tw-text-opacity: .3;
    font-size: 7rem;
    font-weight: 700;
    color: rgb(255 255 255/var(--tw-text-opacity, 1));
    text-transform: uppercase;
    position: absolute;
    z-index: 1;
    user-select: none;
    bottom: 20px;
    letter-spacing: 8px
 }

 .about-hero-subtitle {
    font-size: 3rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
    margin-bottom: 40px;
    z-index: 2;
    opacity: 1;
    transition: opacity .3s ease;
    position: relative;
    top: 15px;
    text-indent: 40px
 }

 .swiper {
    width: 100%;
    height: 100%
 }

 .swiper-slide {
    position: relative;
    overflow: hidden
 }

 .certifications-section {
    padding: 80px 0;
    background-color: #fff
 }

 .certifications-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00C4CC;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 2px
 }

 .certifications-swiper {
    padding: 20px 0 60px
 }

 .certification-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    justify-items: center
 }

 .certification-logo {
    max-width: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform .3s ease;
    justify-content: center;
    align-items: center
 }

 .certification-slide:hover .certification-logo {
    transform: scale(1.1)
 }

 .certifications-swiper .swiper-pagination {
    bottom: 20px
 }

 .certifications-swiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #ccc;
    opacity: .7
 }

 .certifications-swiper .swiper-pagination-bullet-active {
    background: #00C4CC;
    opacity: 1
 }

 .certifications-swiper .swiper-button-next,
 .certifications-swiper .swiper-button-prev {
    color: #00C4CC;
    width: 40px;
    height: 40px
 }

 .certifications-swiper .swiper-button-next::after,
 .certifications-swiper .swiper-button-prev::after {
    font-size: 24px;
    font-weight: bold
 }

 @media (max-width:992px) {
    .certifications-title {
       font-size: 2.2rem
    }

    .certification-logo {
       max-width: 180px;
       max-height: 180px
    }
 }

 @media (max-width:768px) {
    .certifications-section {
       padding: 60px 0
    }

    .certifications-title {
       font-size: 1.8rem;
       margin-bottom: 40px
    }

    .certification-logo {
       max-width: 150px;
       max-height: 150px
    }

    .certifications-swiper .swiper-button-next,
    .certifications-swiper .swiper-button-prev {
       display: none
    }
 }

 @media (max-width:576px) {
    .certifications-section {
       padding: 50px 0
    }

    .certifications-title {
       font-size: 1.5rem;
       margin-bottom: 30px
    }

    .certification-logo {
       max-width: 120px;
       max-height: 120px
    }
 }

 .text-opacity {
    --tw-text-opacity: .3;
    color: rgb(0 196 205/var(--tw-text-opacity, 1));
    font-size: 4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 8px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1
 }

 .heading {
    font-weight: 700;
    text-transform: uppercase;
    color: #00C4CC
 }

 .language-switcher {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000
 }

 .lang-flag {
    width: 20px;
    height: 15px;
    margin-right: 8px;
    object-fit: cover;
    border-radius: 2px;
    display: inline-block
 }

 .language-toggle {
    background: #ff9800;
    border: none;
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    transition: all .3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
    position: relative;
    z-index: 10
 }

 .language-toggle:hover {
    transform: scale(1.05)
 }

 .language-toggle i {
    color: white;
    font-size: 20px;
    pointer-events: none
 }

 .language-menu {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
    max-height: 0;
    opacity: 0;
    transition: all .3s ease;
    position: absolute;
    right: 0;
    bottom: 60px;
    min-width: 100px
 }

 .language-menu.active {
    max-height: 300px;
    opacity: 1
 }

 .language-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    cursor: pointer;
    transition: all .3s ease;
    border: none;
    border-bottom: 1px solid #eee;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 14px;
    font-weight: 700;
    color: #333
 }

 .language-item:last-child {
    border-bottom: none
 }

 .language-item:hover {
    background: #f5f5f5;
    color: #00c4cd
 }

 .language-item i {
    margin-right: 10px;
    color: #ff9800;
    font-size: 12px
 }

 .language-item.active {
    background: linear-gradient(135deg, #c0f0f3 0%, #a8ecf0 100%);
    color: #333
 }

 .language-item.active i {
    color: #00c4cd
 }

 @media (max-width:768px) {
    .language-switcher {
       right: 10px;
       top: auto;
       bottom: 20px;
       transform: none
    }

    .language-menu {
       bottom: auto;
       top: -120px
    }
 }

 .hotline-fixed {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000
 }

 .lang-switcher {
    position: relative;
    display: inline-block;
    order: 3;
 }

 .lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    color: white;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
 }

 .scrolled .lang-toggle {
    border-color: rgba(0, 196, 205, 0.5);
    color: #333;
 }

 .lang-toggle:hover {
    border-color: #00c4cd;
    background: rgba(0, 196, 205, 0.1);
 }

 .lang-flag {
    width: 20px;
    height: 15px;
    border-radius: 2px;
    object-fit: cover;
 }

 .lang-toggle i {
    font-size: 12px;
    transition: transform 0.3s ease;
    pointer-events: none;
 }

 .lang-toggle.active i {
    transform: rotate(180deg);
 }

 .lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 180px;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
 }

 .lang-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
 }

 .lang-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid #eee;
    font-size: 14px;
 }

 .lang-item:last-child {
    border-bottom: none;
 }

 .lang-item:hover {
    background: #f5f5f5;
    color: #00c4cd;
 }

 .lang-item.active {
    background: linear-gradient(135deg, #c0f0f3 0%, #a8ecf0 100%);
    color: #333;
    font-weight: 700;
 }

 .lang-flag-small {
    width: 24px;
    height: 18px;
    border-radius: 2px;
    object-fit: cover;
 }

 @media (max-width: 768px) {
    .lang-toggle {
       padding: 6px 10px;
       font-size: 12px;
    }

    .lang-flag {
       width: 16px;
       height: 12px;
    }

    .lang-menu {
       min-width: 150px;
    }

    .lang-item {
       padding: 10px 12px;
       font-size: 13px;
    }

    .lang-flag-small {
       width: 20px;
       height: 15px;
    }
 }