/* Custom styles - Tối ưu với Bootstrap 3 */

/* SVG Icons */
.icon {
    display: inline-block;
    vertical-align: middle;
    width: 24px;
    height: 24px;
    margin-right: 5px;
}

.icon-go {
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    transition: transform 0.3s ease;
}

button:hover .icon-go,
a:hover .icon-go {
    transform: translateX(3px);
}

/* Top Bar */
.top-bar {
    background:#0066b3;
    color: white;
    padding: 10px 0;
    font-size: 13px;
}

.top-bar .container-fluid {
    padding-left: 47px;
    padding-right: 47px;
}

.top-bar .row {
    display: flex;
    align-items: center;
}

.top-bar .col-sm-6 {
    display: flex;
    align-items: center;
}

.top-bar .text-left-sm {
    justify-content: flex-start;
}

.top-bar .text-right-sm {
    justify-content: flex-end;
}

.top-bar-text {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.top-bar-text .icon {
    margin-right: 8px;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.top-bar-actions {
    display: inline-flex;
    align-items: center;
}

.top-bar-actions a,
.top-bar-actions .language-switch {
    margin-left: 30px;
    display: inline-flex;
    align-items: center;
    position: relative;
}

.top-bar-actions a::before,
.top-bar-actions .language-switch::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    height: 20px;
    width: 1px;
    background-color: rgba(255, 255, 255, 0.3);
}

.top-bar-actions a:first-child {
    margin-left: 0;
}

.top-bar-actions a:first-child::before {
    display: none;
}

.text-white {
    color: white !important;
    text-decoration: none;
}

.text-white:hover {
    color: white !important;
    opacity: 0.8;
    text-decoration: none;
}

/* Language Switch */
.language-switch {
    display: inline-flex;
    align-items: center;
    background-color: white;
    color: #0066b3;
    padding: 3px 8px;
    border-radius: 42px;
    font-weight: bold;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-switch:hover {
    background-color: #f0f0f0;
}

.language-switch .icon {
    margin-right: 6px;
    width: 20px;
    height: 20px;
}

/* Main Header */
.main-header {
    background-color: white;
    border-bottom: 1px solid #e0e0e0;
}

.main-header .container-fluid {
    padding-left: 47px;
    padding-right: 47px;
}

.main-header .row {
    display: flex;
    align-items: center;
    margin-left: 0;
    margin-right: 0;
}

.main-header .col-lg-2,
.main-header .col-md-3 {
    padding-left: 0;
    padding-right: 0;
}

.main-header .col-lg-8,
.main-header .col-md-6 {
    padding-left: 15px;
    padding-right: 15px;
}

.main-header .col-lg-2.text-center {
    text-align: left !important;
}

.main-header .col-lg-2:last-child.text-center {
    text-align: right !important;
}

.logo img {
    max-height: 70px;
    margin: 10px 0;
}

.header-info {
    margin-top: 0;
}

.header-info .media {
    display: flex;
    align-items: center;
}

.header-info .media-left {
    padding-right: 12px;
}

.header-info .media-left img {
    width: 44px;
    height: 44px;
    display: block;
}

.header-info .media-body {
    font-size: 13px;
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.header-info .media-body small {
    font-size: 11px;
    display: block;
    margin-bottom: 2px;
}

.header-info .media-body .text-primary {
    color: #333 !important;
    font-weight: 500;
}

.btn-login {
    margin-top: 0;
    border-radius: 42px;
    padding: 12px 30px;
    background-color: #0066b3;
    border-color: #0066b3;
    font-weight: 600;
    font-size: 14px;
}

.btn-login:hover {
    background-color: #005299;
    border-color: #005299;
}

.btn-login .icon {
    width: 24px;
    height: 24px;
    margin-right: 8px;
    filter: brightness(0) invert(1);
}

/* Navigation */
.navbar-custom {
    background-color: #0066b3;
    border: none;
    border-radius: 0;
    margin-bottom: 0;
    min-height: 50px;
}

.navbar-custom .navbar-nav {
    float: none;
    text-align: center;
}

.navbar-custom .navbar-nav > li {
    float: none;
    display: inline-block;
}

.navbar-custom .navbar-nav > li > a {
    color: white;
    font-size: 13px;
    font-weight: 600;
    padding: 15px 20px;
    text-transform: uppercase;
}

.navbar-custom .navbar-nav > li > a:hover,
.navbar-custom .navbar-nav > li > a:focus,
.navbar-custom .navbar-nav > li.open > a {
    background-color: #005299;
    color: white;
}

.navbar-custom .navbar-toggle {
    border-color: white;
    margin-top: 8px;
}

.navbar-custom .navbar-toggle .icon-bar {
    background-color: white;
}

.navbar-custom .navbar-toggle:hover,
.navbar-custom .navbar-toggle:focus {
    background-color: #005299;
}

/* Responsive helpers */
@media (min-width: 768px) {
    .text-left-sm {
        text-align: left !important;
    }
    .text-right-sm {
        text-align: right !important;
    }
}

@media (max-width: 991px) {
    .header-info .media-body {
        font-size: 12px;
    }
    
    .header-info .media-body small {
        font-size: 10px;
    }
}

@media (max-width: 767px) {
    .text-center-xs {
        text-align: center !important;
    }
    
    .top-bar .row {
        display: block;
    }
    
    .top-bar .col-sm-6 {
        display: block;
    }
    
    .main-header .row {
        display: block;
    }
    
    .top-bar-text,
    .top-bar-actions {
        display: flex;
        justify-content: center;
        margin: 5px 0;
    }
    
    .top-bar-actions a,
    .top-bar-actions .language-switch {
        margin: 5px;
    }
    
    .navbar-custom .navbar-nav > li {
        display: block;
        float: none;
    }
    
    .navbar-custom .navbar-nav > li > a {
        text-align: center;
    }
    
    .header-info {
        margin-top: 20px;
    }
    
    .header-info .media {
        text-align: center;
    }
    
    .header-info .media-left {
        display: block;
        margin: 0 auto 10px;
        float: none !important;
    }
    
    .btn-login {
        margin-top: 20px;
    }
}

/* Footer Styles */
.footer {
    background-image: url('../src/asset/image/footer_backgroup.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 50px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 51, 102, 0.92);
    z-index: 1;
}

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

.footer-title {
    color: white;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 25px;
    text-transform: uppercase;
    line-height: 1.4;
}

.footer-contact {
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.footer-contact > .contact-item:last-of-type {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 20px;
}

.footer-contact > div {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.footer-contact > div .contact-item {
    flex: 0 0 calc(50% - 10px);
    margin-bottom: 0;
}

.contact-item .icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    margin-top: 3px;
    flex-shrink: 0;
    filter: brightness(0) invert(1);
}

.contact-item .contact-text {
    font-size: 13px;
    line-height: 1.6;
}

.contact-item .contact-text strong {
    display: block;
    margin-bottom: 3px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links li a {
    color: white;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.footer-links li a:hover {
    opacity: 0.8;
    text-decoration: none;
}

.newsletter-form .input-group {
    border-radius: 42px;
    overflow: hidden;
}

.newsletter-form .form-control {
    border: none;
    padding: 12px 20px;
    font-size: 13px;
    height: 45px;
    border-radius: 42px 0 0 42px;
}

.newsletter-form .btn-send {
    background-color: #0066b3;
    color: white;
    border: none;
    padding: 12px 25px;
    font-weight: 600;
    font-size: 13px;
    height: 45px;
    border-radius: 0 42px 42px 0;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.newsletter-form .btn-send:hover {
    background-color: #005299;
}

.newsletter-form .icon-send {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
}

.social-links {
    margin-top: 15px;
}

.social-item {
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
    margin-bottom: 12px;
    transition: opacity 0.3s ease;
}

.social-item:hover {
    opacity: 0.8;
    text-decoration: none;
    color: white;
}

.social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-weight: bold;
    font-size: 16px;
    flex-shrink: 0;
    overflow: hidden;
}

.social-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.facebook-icon {
    background-color: #1877f2;
}

.group-icon {
    background-color: #1877f2;
    font-size: 14px;
}

.tiktok-icon {
    background-color: #000000;
}

.instagram-icon {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-text {
    font-size: 13px;
}

.footer-copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer Responsive */
@media (max-width: 767px) {
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-title {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .footer .col-md-4,
    .footer .col-sm-6 {
        margin-bottom: 30px;
    }
    
    .contact-item,
    .footer-links li,
    .social-item {
        margin-bottom: 10px;
    }
    
    .footer-contact > div {
        display: block;
    }
    
    .footer-contact > div .contact-item {
        flex: 0 0 100%;
    }
}

/* Hero Banner Styles */
.hero-banner-carousel {
    position: relative;
    min-height: 600px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 600px;
    background: url('../src/asset/image/image_selection.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%),
        radial-gradient(ellipse at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: 80px 20px;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 3px;
    margin-bottom: 10px;
    opacity: 0.95;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: 2px;
    margin: 0 0 30px 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.hero-description {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 25px;
    line-height: 1.6;
    opacity: 0.95;
}

.hero-slogan {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 4px;
    margin-top: 20px;
    opacity: 0.9;
}

.scroll-indicator {
    margin-top: 60px;
    animation: fadeIn 1.5s ease-out 0.5s both;
}

.scroll-indicator span {
    display: block;
    font-size: 14px;
    margin-bottom: 15px;
    opacity: 0.8;
    letter-spacing: 1px;
}

.mouse-icon {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    margin: 0 auto;
    position: relative;
    display: inline-block;
}

.mouse-wheel {
    width: 4px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

.hero-decoration {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
}

.globe-icon {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 50%, transparent 100%);
    border-radius: 50%;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.globe-icon::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.globe-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
}

.graduation-cap {
    position: absolute;
    top: -80px;
    right: -50px;
    width: 200px;
    height: 200px;
    animation: float 6s ease-in-out infinite 0.5s;
}

.graduation-cap::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(15deg);
    width: 120px;
    height: 120px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-bottom: none;
    border-left: none;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
}

.graduation-cap::after {
    content: '';
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scroll {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(10px);
        opacity: 0.5;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(-50%) translateX(0);
    }
    50% {
        transform: translateY(-50%) translateX(-20px);
    }
}

/* Hero Banner Responsive */
@media (max-width: 1200px) {
    .hero-decoration {
        right: 5%;
    }
    
    .globe-icon {
        width: 280px;
        height: 280px;
    }
    
    .graduation-cap {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 991px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-slogan {
        font-size: 18px;
    }
    
    .hero-decoration {
        opacity: 0.5;
    }
}

@media (max-width: 767px) {
    .hero-banner-carousel,
    .hero-slide {
        min-height: 500px;
    }
    
    .hero-content {
        padding: 60px 20px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-slogan {
        font-size: 16px;
        letter-spacing: 2px;
    }
    
    .hero-decoration {
        display: none;
    }
    
    .scroll-indicator {
        margin-top: 40px;
    }
    
    .carousel-controls {
        padding: 0 10px;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .hero-slogan {
        font-size: 14px;
    }
}

/* Carousel Controls Container */
.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    pointer-events: none;
    z-index: 200;
}

/* Carousel Controls */
.carousel-control {
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 30px;
    line-height: 1;
    padding: 0;
    outline: none;
    pointer-events: auto;
}

.carousel-control:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
}

.carousel-control:focus {
    outline: none;
}

.carousel-control span {
    display: block;
    line-height: 1;
    margin-top: -3px;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    z-index: 100;
    pointer-events: auto;
    will-change: auto;
    transition: none;
    animation: none;
}

.carousel-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-block;
    padding: 0;
    margin: 0;
}

.carousel-indicators .indicator:hover {
    background-color: rgba(255, 255, 255, 0.7);
}

.carousel-indicators .indicator.active {
    background-color: #FFFFFF;
    border: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* Carousel Indicators Responsive */
@media (max-width: 767px) {
    .carousel-indicators {
        bottom: 30px;
        gap: 10px;
    }
    
    .carousel-indicators .indicator {
        width: 10px;
        height: 10px;
    }
    
    .carousel-indicators .indicator.active {
        width: 10px;
        height: 10px;
    }
    
    /* Hide scroll indicator on mobile to avoid overlap */
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .carousel-indicators {
        bottom: 20px;
        gap: 8px;
    }
    
    .carousel-indicators .indicator {
        width: 8px;
        height: 8px;
    }
    
    .carousel-indicators .indicator.active {
        width: 8px;
        height: 8px;
    }
}

/* Global Alumni Section */
.global-alumni-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #f0f8ff 100%);
}

.global-content {
    padding-right: 30px;
}

.global-title {
    color: #0066b3;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.3;
}

.global-description {
    font-size: 14px;
    line-height: 1.8;
    color: #333;
    text-align: justify;
    margin-bottom: 30px;
}

.global-map {
    margin: 30px 0;
    text-align: center;
}

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

.btn-alumni-network {
    background-color: #0066b3;
    border-color: #0066b3;
    color: white;
    padding: 12px 35px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-alumni-network:hover {
    background-color: #005299;
    border-color: #005299;
    transform: translateX(5px);
}

.btn-alumni-network span {
    margin-left: 8px;
    font-size: 18px;
}

/* Global Stats */
.global-stats {
    padding-left: 30px;
}

.global-stats .row {
    margin-bottom: 25px;
}

.stat-item {
    text-align: left;
    padding-bottom: 15px;
    border-bottom: 2px solid #0074C2;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    line-height: 56px;
    margin-bottom: 8px;
}

.stat-blue {
    color: #0066b3;
}

.stat-red {
    color: #dc3545;
}

.stat-label {
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
    color: #333;
}

/* Global Alumni Responsive */
@media (max-width: 991px) {
    .global-content,
    .global-stats {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .global-title {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 52px;
    }
}

@media (max-width: 767px) {
    .global-alumni-section {
        padding: 50px 0;
    }
    
    .global-title {
        font-size: 24px;
    }
    
    .global-content {
        margin-bottom: 40px;
    }
    
    .global-stats .row {
        margin-bottom: 20px;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .stat-label {
        font-size: 13px;
    }
}

/* DAV Alumni Network Section */
.dav-alumni-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f9fc 100%);
    position: relative;
    overflow: hidden;
}

.dav-alumni-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 102, 179, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(220, 53, 69, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.dav-alumni-section .row {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.dav-alumni-content {
    padding-right: 40px;
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 500px;
}

.dav-alumni-title {
    color: #0066b3;
    font-size: 32px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 30px;
}

.dav-alumni-subtitle {
    color: #dc3545;
    font-size: 28px;
    font-weight: 800;
    display: block;
    margin-top: 10px;
}

.dav-alumni-description {
    font-size: 14px;
    line-height: 2;
    color: #333;
    text-align: justify;
    margin: 40px 0;
}

.btn-dav-alumni {
    background-color: #0066b3;
    border-color: #0066b3;
    color: white;
    padding: 12px 35px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-dav-alumni:hover {
    background-color: #005299;
    border-color: #005299;
    transform: translateX(5px);
    color: white;
}

.btn-dav-alumni span {
    margin-left: 8px;
    font-size: 18px;
}

.dav-alumni-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    z-index: 3;
}

.dav-alumni-logo img {
    width: 585px;
    height: 478.2px;
    filter: drop-shadow(0 10px 30px rgba(0, 102, 179, 0.15));
    /* animation: floatLogo 6s ease-in-out infinite; */
}

@keyframes floatLogo {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Decorative elements */
.dav-alumni-section::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 102, 179, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* Decorative Icons */
.dav-alumni-decoration-top {
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background-image: url('../src/asset/svg/icon_setion.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: top right;
    opacity: 0.7;
    pointer-events: none;
    z-index: 1;
}

.dav-alumni-decoration-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 600px;
    height: 600px;
    background-image: url('../src/asset/svg/icon_setion.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: top right;
    opacity: 0.7;
    pointer-events: none;
    z-index: 1;
    transform: rotate(180deg);
    transform-origin: center;
}

/* DAV Alumni Responsive */
@media (max-width: 991px) {
    .dav-alumni-decoration-top,
    .dav-alumni-decoration-bottom {
        width: 400px;
        height: 400px;
    }
    
    .dav-alumni-section .row {
        display: block;
    }
    
    .dav-alumni-content {
        padding-right: 15px;
    }
    
    .dav-alumni-title {
        font-size: 28px;
    }
    
    .dav-alumni-subtitle {
        font-size: 24px;
    }
    
    .dav-alumni-logo {
        padding: 30px;
    }
}

@media (max-width: 767px) {
    .dav-alumni-decoration-top,
    .dav-alumni-decoration-bottom {
        width: 250px;
        height: 250px;
    }
    
    .dav-alumni-section {
        padding: 50px 0;
    }
    
    .dav-alumni-title {
        font-size: 24px;
    }
    
    .dav-alumni-subtitle {
        font-size: 20px;
    }
    
    .dav-alumni-description {
        font-size: 13px;
        margin: 20px 0;
    }
    
    .dav-alumni-content {
        margin-bottom: 30px;
        text-align: center;
    }
    
    .dav-alumni-logo {
        padding: 20px;
    }
}

/* Clubs and Communities Section */
.clubs-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.clubs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.clubs-title {
    color: #0066b3;
    font-size: 32px;
    font-weight: 800;
    margin: 0;
    text-transform: uppercase;
}

.btn-view-all {
    background-color: #0066b3;
    border-color: #0066b3;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-view-all:hover {
    background-color: #005299;
    border-color: #005299;
    transform: translateX(5px);
    color: white;
}

.btn-view-all span {
    margin-left: 8px;
    font-size: 18px;
}

.clubs-carousel-wrapper {
    position: relative;
}

.clubs-carousel {
    overflow: hidden;
    padding: 10px 0;
}

.clubs-track {
    display: flex;
    gap: 25px;
    transition: transform 0.5s ease;
}

.club-card {
    width: calc((100% - 50px) / 3);
    height: 315px;
    flex: 0 0 calc((100% - 50px) / 3);
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    transform: rotate(0deg);
    opacity: 1;
}

.club-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.club-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.club-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.club-card:hover .club-image img {
    transform: scale(1.1);
}

.club-content {
    padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.club-name-wrapper {
    width: 203px;
    height: 32px;
    position: relative;
    top: 20px;
    left: 16px;
    margin-top: 0;
    margin-bottom: 15px;
    transform: rotate(0deg);
    opacity: 1;
}

.club-name {
    color: #0066b3;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.club-middle-image {
    width: calc(100% - 32px);
    height: 196px;
    position: relative;
    left: 16px;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    transform: rotate(0deg);
    opacity: 1;
}

.club-middle-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.club-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    gap: 15px;
}

.club-members {
    display: flex;
    align-items: center;
    margin-bottom: 0;
    color: #dc3545;
    padding: 0;
}

.club-members .icon {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    filter: invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.member-count {
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    line-height: 22px;
}

.btn-club-detail {
    background-color: transparent;
    border: 2px solid #0066b3;
    color: #0066b3;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 140px;
    height: 40px;
    white-space: nowrap;
    line-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}


.btn-club-detail:hover {
    background-color: #0066b3;
    color: white;
}

.btn-club-detail span {
    margin-left: 8px;
    font-size: 16px;
}

.club-nav {
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    outline: none;
    flex-shrink: 0;
}

.club-nav img {
    width: 52px;
    height: 52px;
}

.club-nav:hover {
    transform: scale(1.1);
}

.club-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.club-nav:disabled:hover {
    transform: scale(1);
}

.clubs-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.club-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #EEBABC;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.club-dot:hover {
    opacity: 0.8;
}

.club-dot.active {
    background-color: #C72227;
    border: 1px solid #C72227;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* Clubs Section Responsive */
@media (max-width: 991px) {
    .clubs-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .clubs-title {
        font-size: 28px;
    }
    
    .club-card {
        width: 380px;
        height: 337px;
        flex: 0 0 380px;
    }
}

@media (max-width: 767px) {
    .clubs-section {
        padding: 50px 0;
    }
    
    .clubs-title {
        font-size: 22px;
    }
    
    .clubs-carousel-wrapper {
        flex-direction: column;
    }
    
    .club-nav {
        display: none;
    }
    
    .club-card {
        width: 380px;
        height: 337px;
        flex: 0 0 380px;
    }
    
    .club-image {
        height: 200px;
    }
    
    .club-name {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .clubs-title {
        font-size: 18px;
    }
    
    .btn-view-all {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .club-content {
        padding: 20px;
    }
}

/* Featured Events Section */
.featured-events-section {
    padding: 80px 0;
    background: #E3F2FD;
}

.section-title {
    color: #0066b3;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 50px;
    text-transform: uppercase;
}

.events-carousel-wrapper {
    position: relative;
}

.events-carousel {
    overflow: hidden;
    margin-bottom: 30px;
}

.events-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.event-card {
    width: calc((100% - 60px) / 3);
    height: 337px;
    flex: 0 0 calc((100% - 60px) / 3);
    background: transparent;
    display: flex;
    flex-direction: column;
    gap: 5px;
    transform: rotate(0deg);
    opacity: 1;
}

.event-image {
    width: 100%;
    height: 251px;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.event-info-overlay {
    background: transparent;
    padding: 0;
    display: flex;
    align-items: stretch;
    margin-left: -16px;
}

.event-calendar {
    background: transparent;
    border-radius: 8px;
    padding: 0;
    text-align: center;
    flex-shrink: 0;
    min-width: 90px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-calendar img {
    width: 60px;
    height: 70px;
    display: block;
}

.calendar-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 0;
}

.calendar-month {
    color: white;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 4px;
}

.calendar-day {
    color: #0066b3;
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
    text-align: center;
}

.event-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 70px;
    overflow: hidden;
}

.event-time {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #0066b3;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 2px;
}

.time-icon {
    width: 16px;
    height: 16px;
}

.event-title {
    color: #333;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.events-nav-group {
    display: flex;
    gap: 15px;
    align-items: center;
    justify-content: space-between;
}

.event-nav {
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
    flex-shrink: 0;
}

.event-nav img {
    width: 52px;
    height: 52px;
}

.event-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.events-progress {
    flex: 1;
    height: 4px;
    background-color: #e0e0e0;
    border-radius: 2px;
    overflow: hidden;
    margin-right: 20px;
}

.events-progress-bar {
    height: 100%;
    background-color: #0066b3;
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 33.33%;
}

/* Featured Events Responsive */
@media (max-width: 991px) {
    .section-title {
        font-size: 28px;
    }
    
    .event-card {
        width: 380px;
        height: 337px;
        flex: 0 0 380px;
    }
}

@media (max-width: 767px) {
    .featured-events-section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .events-carousel-wrapper {
        margin-bottom: 20px;
    }
    
    .events-nav-group {
        flex-direction: column;
        gap: 20px;
    }
    
    .events-progress {
        width: 100%;
        margin-right: 0;
        order: 2;
    }
    
    .event-nav-prev,
    .event-nav-next {
        order: 1;
    }
    
    .event-card {
        width: 380px;
        height: 337px;
        flex: 0 0 380px;
    }
    
    .event-image {
        height: 220px;
    }
    
    .event-info-overlay {
        padding: 15px;
    }
    
    .event-calendar {
        min-width: 75px;
        padding: 0;
    }
    
    .event-calendar img {
        width: 75px;
    }
    
    .calendar-day {
        font-size: 36px;
    }
    
    .event-title {
        font-size: 14px;
    }
}

/* Featured News Section */
.featured-news-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #f0f8ff 100%);
}

.news-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 50px;
    gap: 30px;
    flex-wrap: wrap;
}

.section-title {
    color: #0066b3;
    font-size: 32px;
    font-weight: 800;
    margin-top: 0;
}

.news-tabs {
    display: flex;
    gap: 0;
    margin-top: 0;
    flex-wrap: wrap;
    align-items: center;
}

.news-tab {
    background-color: transparent;
    border: none;
    color: #666;
    padding: 8px 20px;
    border-radius: 0;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-style: normal;
    font-size: 14px;
    line-height: 22px;
    letter-spacing: 0%;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    text-transform: uppercase;
    position: relative;
    border-right: 1px solid #ccc;
}

.news-tab:last-child {
    border-right: none;
}

.news-tab:hover {
    color: #dc3545;
}

.news-tab.active {
    background-color: transparent;
    color: #dc3545;
}

.news-tab.active::after {
    display: none;
}

.news-content-wrapper {
    margin-bottom: 40px;
}

.news-content-wrapper .row {
    display: flex;
    align-items: stretch;
}

.news-content-wrapper .col-md-7,
.news-content-wrapper .col-md-5 {
    display: flex;
}

/* Main News (Left Side) */
.main-news-list {
    display: flex;
    flex-direction: row;
    gap: 20px;
    height: 100%;
    width: 100%;
}

.main-news-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.main-news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.main-news-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.main-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.main-news-item:hover .main-news-image img {
    transform: scale(1.05);
}

.main-news-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.news-category {
    display: inline;
    background-color: transparent;
    color: #dc3545;
    padding: 0;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    margin-right: 0;
}

.news-date {
    color: #999;
    font-size: 12px;
    font-weight: 500;
    display: inline;
    align-items: center;
    gap: 5px;
}

.news-date::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23999"><circle cx="12" cy="12" r="10" stroke="%23999" stroke-width="2" fill="none"/><path d="M12 6v6l4 2" stroke="%23999" stroke-width="2" fill="none"/></svg>');
    background-size: contain;
    vertical-align: middle;
    margin-right: 5px;
}

.main-news-title {
    color: #333;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin: 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.main-news-excerpt {
    color: #666;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-read-more {
    color: #dc3545;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.news-read-more:hover {
    color: #c82333;
    transform: translateX(3px);
    text-decoration: none;
}

.news-read-more::after {
    font-size: 16px;
}

/* Side News (Right Side) */
.side-news-list {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 2px solid #0066b3;
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
    width: 100%;
}

.side-news-item {
    display: flex;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.side-news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.side-news-item:hover {
    transform: translateX(3px);
}

.side-news-image {
    flex-shrink: 0;
    width: 100px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
}

.side-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.side-news-item:hover .side-news-image img {
    transform: scale(1.05);
}

.side-news-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.side-news-title {
    color: #333;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* News Card (Event Card Style) */
.news-card {
    width: 100%;
    background: transparent;
    display: flex;
    flex-direction: column;
    gap: 5px;
    transform: rotate(0deg);
    opacity: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-image {
    width: 100%;
    height: 251px;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-info-overlay {
    background: transparent;
    padding: 0;
    display: flex;
    align-items: stretch;
    margin-left: -16px;
}

.news-calendar {
    background: transparent;
    border-radius: 8px;
    padding: 0;
    text-align: center;
    flex-shrink: 0;
    min-width: 90px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-calendar img {
    width: 60px;
    height: 70px;
    display: block;
}

.news-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 70px;
    overflow: hidden;
}

.news-category-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #dc3545;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.news-title {
    color: #333;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-view-all-news {
    background-color: #0066b3;
    border-color: #0066b3;
    color: white;
    padding: 12px 35px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    margin: 30px auto 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-view-all-news:hover {
    background-color: #005299;
    border-color: #005299;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 179, 0.3);
    color: white;
}

.btn-view-all-news::after {
    font-size: 18px;
}

/* Featured News Responsive */
@media (max-width: 991px) {
    .news-tabs {
        gap: 10px;
    }
    
    .news-tab {
        padding: 10px 20px;
        font-size: 12px;
    }
    
    .main-news-image {
        height: 240px;
    }
    
    .main-news-title {
        font-size: 18px;
    }
}

@media (max-width: 767px) {
    .featured-news-section {
        padding: 50px 0;
    }
    
    .news-header {
        margin-bottom: 30px;
    }
    
    .news-tabs {
        flex-direction: column;
        gap: 10px;
    }
    
    .news-tab {
        width: 100%;
        text-align: center;
    }
    
    .main-news-list {
        margin-bottom: 30px;
    }
    
    .main-news-image {
        height: 200px;
    }
    
    .main-news-content {
        padding: 20px;
    }
    
    .main-news-title {
        font-size: 16px;
    }
    
    .main-news-excerpt {
        font-size: 13px;
    }
    
    .side-news-list {
        padding: 20px;
    }
    
    .side-news-item {
        flex-direction: column;
    }
    
    .side-news-image {
        width: 100%;
        height: 180px;
    }
    
    .side-news-title {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .news-category {
        font-size: 10px;
        padding: 5px 12px;
    }
    
    .news-date {
        font-size: 11px;
    }
    
    .btn-view-all-news {
        padding: 12px 30px;
        font-size: 14px;
    }
}