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

html {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

.video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-container video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.video-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 0 5%;
    z-index: 10000;
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    height: 80px;
    position: relative;
    z-index: 10000;
}

.logo {
    position: absolute;
    left: 0;
    height: 45px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    /*align-items: center;*/
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: 400;
    transition: opacity 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    opacity: 0.8;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 2px;
    background: #4A90E2;
}

.lang-btn {
    position: absolute;
    right: 0;
    background: transparent;
    border: none;
    color: white;
    padding: 8px 20px;
    font-size: 14px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    transition: all 0.3s ease;
}

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content h1 {
    color: white;
    font-size: 56px;
    font-weight: 300;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
    line-height: 1.3;
}

.hero-content div {
    text-align:left;
    width:100%;
}

.hero-content p {
    color: white;
}

.hero-content i {
    position: absolute;
    bottom: 0;
    color: white;
    font-size: 28px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%,100%,20%,50%,80% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-30px);
    }

    60% {
        transform: translateY(-15px);
    }
}

@-webkit-keyframes bounce {
    0%,100%,20%,50%,80% {
        -webkit-transform: translateY(0);
    }

    40% {
        -webkit-transform: translateY(-30px);
    }

    60% {
        -webkit-transform: translateY(-15px);
    }
}


.about-section {
    min-height: 100vh;
    background-image: url('../images/bg-aboutO2Micro.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 5%;
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.about-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    text-align: center;
    color: white;
}

.about-title {
    font-size: 56px;
    font-weight: 300;
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.about-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.3s;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    text-align:left;
}

.about-description.visible {
    opacity: 1;
    transform: translateY(0);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-top: 60px;
}

.stat-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-number {
    font-size: 64px;
    font-weight: 300;
    margin-bottom: 15px;
    color: white;
}

.stat-label {
    font-size: 18px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.6);
}

.core-businesses {
    min-height: 100vh;
    background: #f5f5f5;
    padding: 100px 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.core-title {
    font-size: 56px;
    font-weight: 300;
    color: #333;
    margin-bottom: 80px;
}

.core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1400px;
    width: 100%;
    align-items: end;
}

.core-card {
    position: relative;
    overflow: hidden;
}

.core-card:nth-child(1) {
    height: 450px;
    clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 100%);
}

.core-card:nth-child(2) {
    height: 500px;
    clip-path: polygon(0 8%, 50% 0, 100% 8%, 100% 100%, 0 100%);
}

.core-card:nth-child(3) {
    height: 450px;
    clip-path: polygon(0 0, 100% 12%, 100% 100%, 0 100%);
}

.core-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.core-card:hover .core-card-bg {
    transform: scale(1.1);
}

.core-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
    z-index: 1;
}

.core-card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px;
    text-align: center;
}

.core-card:nth-child(1) .core-card-content {
    justify-content: flex-end;
    padding-bottom: 80px;
}

.core-card:nth-child(2) .core-card-content {
    justify-content: flex-start;
    padding-top: 130px;
}

.core-card:nth-child(3) .core-card-content {
    justify-content: flex-end;
    padding-bottom: 80px;
}

.core-card-title {
    font-size: 36px;
    font-weight: 300;
    color: white;
    margin-bottom: 120px;
}

.core-card-btn {
    background: #0066cc;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    transition: background 0.3s ease;
    font-family: 'Outfit', sans-serif;
    text-decoration: none;
}

.core-card-btn:hover {
    background: #3385db;
}

.rd-section {
    min-height: 100vh;
    background: #f5f5f5;
    padding: 100px 5%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rd-container {
    max-width: 1200px;
    width: 100%;
}

.rd-header {
    text-align: center;
    margin-bottom: 60px;
}

.rd-header h2 {
    font-size: 48px;
    font-weight: 400;
    color: #333;
    margin-bottom: 30px;
}

.rd-header p {
    font-size: 18px;
    line-height: 1.8;
    color: #666;
    max-width: 900px;
    margin: 0 auto;
}

.rd-image {
    width: 100%;
    height: 500px;
    margin-bottom: 60px;
    border-radius: 8px;
    overflow: hidden;
}

.rd-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.5s ease;
}

.rd-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.rd-tab {
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.rd-tab.inactive {
    opacity: 0.6;
}

.rd-tab-title {
    font-size: 24px;
    font-weight: 400;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #e0e0e0;
    position: relative;
}

.rd-tab-progress {
    position: absolute;
    bottom: -3px;
    left: 0;
    height: 3px;
    background: #0066cc;
    width: 0%;
    transition: width 0.1s linear;
}

.rd-tab.active .rd-tab-progress {
    animation: progressBar 5s linear forwards;
}

@keyframes progressBar {
    from { width: 0%; }
    to { width: 100%; }
}

.rd-tab-content {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.rd-mobile-indicators {
    display: none;
}

@media (max-width: 768px) {
    .video-container {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        overflow: hidden;
        max-width: 100vw;
    }

    .rd-mobile-indicators {
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-top: 30px;
    }

    .rd-indicator {
        width: 40px;
        height: 3px;
        background: #d0d0d0;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .rd-indicator.active {
        background: #0066cc;
    }
}

.global-business {
    min-height: 100vh;
    background-image: url('../images/bg_global_business_development.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 100px 5%;
    position: relative;
    display: flex;
    align-items: center;
}

.global-business::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.global-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.global-header h2 {
    font-size: 56px;
    font-weight: 300;
    color: white;
    margin-bottom: 30px;
}

.global-header p {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 700px;
    margin-bottom: 80px;
}

.global-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 80px;
}

.global-stat-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.global-stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.global-stat-number {
    font-size: 56px;
    font-weight: 300;
    color: white;
    margin-bottom: 15px;
}

.global-stat-label {
    font-size: 16px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
}

.global-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 80px 0;
}

.global-partners {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.marquee-row {
    display: flex;
    overflow: hidden;
    width: 100%;
    position: relative;
}

.marquee-track {
    display: flex;
    gap: 30px;
    animation: marqueeRTL 40s linear infinite;
    will-change: transform;
}

@keyframes marqueeRTL {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-100%);
    }
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    min-width: 150px;
    flex-shrink: 0;
}

    .partner-logo:hover {
        opacity: 1;
    }

    .partner-logo img {
        max-width: 120px;
        max-height: 55px;
        width: auto;
        height: auto;
        filter: brightness(0) invert(1);
    }

.honors-section {
    min-height: 100vh;
    background: #f5f5f5;
    padding: 100px 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.honors-title {
    font-size: 56px;
    font-weight: 300;
    color: #333;
    margin-bottom: 80px;
    text-align: center;
}

.honors-container {
    max-width: 1400px;
    width: 100%;
    position: relative;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    margin-bottom: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.honor-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 182px;
    margin: 0 auto;
}

.honor-image {
    width: 182px;
    aspect-ratio: 3/4;
    background: white;
    border: 1px solid #e0e0e0;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

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

.honor-card-title {
    font-size: 20px;
    font-weight: 400;
    color: #333;
    margin-bottom: 10px;
}

.honor-card-subtitle {
    font-size: 16px;
    font-weight: 300;
    color: #666;
}

.honors-controls {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

.honor-btn {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: #9fa0a0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 20px;
    color: white;
    font-family: 'Outfit', sans-serif;
}

.honor-btn:hover {
    background: #6d6e6e;
}

.honor-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.honor-btn:disabled:hover {
    background: #9fa0a0;
}

@media (max-width: 768px) {
    .nav-container {
        height: 70px;
        justify-content: center;
    }

    .logo {
        position: static;
        height: 35px;
    }

    .menu-toggle {
        display: flex;
        flex-direction: column;
        position: absolute;
        left: 20px;
        width: 25px;
        height: 25px;
        align-items: center;
        justify-content: center;
        gap: 0;
    }

    .menu-toggle span {
        position: absolute;
        width: 25px;
        height: 3px;
        background: white;
        transition: all 0.3s ease;
        transform-origin: center;
    }

    .menu-toggle span:nth-child(1) {
        top: 4px;
    }

    .menu-toggle span:nth-child(2) {
        top: 50%;
        margin-top: -1.5px;
    }

    .menu-toggle span:nth-child(3) {
        top: calc(100% - 7px);
    }

    .menu-toggle.active span:nth-child(1) {
        top: 50%;
        margin-top: -1.5px;
        transform: rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        top: 50%;
        margin-top: -1.5px;
        transform: rotate(-45deg);
    }

    .lang-btn {
        right: 20px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 1);
        flex-direction: column;
        padding: 40px 5px 40px 80px;
        gap: 30px;
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .about-section {
        background-attachment: scroll;
    }

    .about-title {
        font-size: 36px;
    }

    .about-description {
        font-size: 16px;
    }

    .stats-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 13px;
    }

    .core-title {
        font-size: 36px;
    }

    .core-grid {
        grid-template-columns: 1fr;
    }

    .core-card:nth-child(1),
    .core-card:nth-child(2),
    .core-card:nth-child(3) {
        height: 0;
        padding-bottom: 62.5%;
        clip-path: none;
    }

    .core-card-content {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        justify-content: center !important;
        padding: 40px !important;
    }

    .core-card-title {
        font-size: 28px;
        margin-bottom: 60px;
    }

    .rd-header h2 {
        font-size: 32px;
    }

    .rd-image {
        height: 300px;
    }

    .rd-tabs {
        grid-template-columns: 1fr;
    }

    .global-business {
        background-attachment: scroll;
        text-align: center;
        padding: 50px 10px !important;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .global-header h2 {
        font-size: 36px;
    }

    .global-header p {
        margin-left: auto;
        margin-right: auto;
    }

    .global-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .global-stat-number {
        font-size: 32px;
    }

    .global-stat-label {
        font-size: 12px;
    }

    .global-partners {
        gap: 15px;
    }

    .marquee-track {
        gap: 10px;
        animation: marqueeRTL 30s linear infinite;
    }

    .partner-logo {
        padding: 8px 2px;
        width: auto;
        display: flex;
        justify-content: center;
        align-items: center;
        min-width: 70px;
        flex-shrink: 0;
    }

        .partner-logo img {
            max-width: 75px;
            max-height: 40px;
        }


    .honors-section {
        min-height: auto !important;
        padding: 20px 20px;
    }

    .honors-title {
        font-size: 36px;
        margin-bottom: 50px;
    }

    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        overflow: hidden;
    }

    .honor-image {
        margin-bottom: 10px;
    }

    .honor-card-title {
        font-size: 18px;
        margin-bottom: 5px;
    }

    .honor-card-subtitle {
        font-size: 15px;
    }

    .honors-controls {
        justify-content: center;
        margin-top: 30px;
        margin-bottom: 20px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .honors-title {
        font-size: 48px;
    }

    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* Footer Section */
footer {
    background: #2b2b2b;
    padding: 30px 5%;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    height: 40px;
}

.footer-copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

@media (max-width: 768px) {
    footer {
        padding: 25px 20px;
    }

    .footer-container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-logo {
        height: 35px;
    }

    .footer-copyright {
        font-size: 13px;
    }
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    min-width: 240px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 4px;
    overflow: hidden;
    left: -10%;
    top: 100%;
    margin-top: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

    .dropdown-content.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown-content a {
        color: white;
        padding: 12px 16px;
        text-decoration: none;
        display: block;
        transition: background-color 0.3s;
        font-size: 18px;
    }

        .dropdown-content a:hover {
            background: rgba(61, 61, 61, 0.9);
        }

        .dropdown-content a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 45%;
            transform: translateX(-50%);
            width: 75%;
            height: 2px;
            background: #4A90E2;
        }

@media (max-width: 768px) {
    .dropdown-content {
        position: static;
        box-shadow: none;
        background-color: transparent;
        margin-top: 0;
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        transform: none;
        transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    }

        .dropdown-content.show {
            max-height: 300px;
            opacity: 1;
            visibility: visible;
        }

        .dropdown-content a {
            padding: 12px 16px 12px 40px;
        }

            .dropdown-content a:hover {
                opacity: 0.8;
                background-color: transparent;
            }

}