/* SOICT-inspired styles for CITA 2026 */

/* Import Lato font from Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap");
@import url(font-awesome.min.css);

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

/* ===========================================
   CSS Reset & Base Styles
   =========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    font-family: Lato, sans-serif;
    line-height: 1.6;
    color: #333;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
}

label,
.main-content p {
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

#banner img {
    width: 100%;
    height: auto;
}

/* ===========================================
   Two Column Layout
   =========================================== */
.two-column-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
    margin-top: 0;
    padding: 0 20px;
}

.two-column-layout .section-title {
    text-transform: uppercase;
    text-align: left;
    margin-bottom: 30px;
    padding-bottom: 15px;
    background: none;
}

.two-column-layout .section-content {
    max-width: 100%;
    margin: 0;
}

.two-column-layout .section-text {
    text-align: justify;
}

.main-content-column {}

.sidebar-column {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-box {
    background: #fff;
    border-top: 3px solid #3051a2;
    border-radius: 0px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow:
        0 3px 6px -4px rgba(0, 0, 0, 0.16),
        0 3px 6px rgba(0, 0, 0, 0.23);
}

.sidebar-title {
    padding: 15px 20px;
    font-size: 26px;
    font-weight: 900;
    margin: 0;
}

.sidebar-content {
    padding: 0px 20px 20px;
}

.date-item-sidebar {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.date-item-sidebar:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.date-icon {
    background: #c42a2a;
    color: #fff;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    margin-right: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

.social-button,
.social-icons .button.fa:hover,
.social-icons .button.fa:not(.is-outline) {
    background-color: currentColor !important;
    border-color: currentColor !important;
}

.social-button,
.social-icons .button.fa:hover,
.social-icons .button.fa:not(.is-outline) .fa {
    color: #fff !important;
}

.social-icons.follow-icons a {
    margin: 5px 10px;
    border-radius: 50%;
}

.social-icons.follow-icons a.facebook {
    background-color: #3a589d !important;
    border-color: #3a589d !important;
    width: 43px;
    height: 43px;
    color: #fff !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-icons.follow-icons a.twitter {
    background-color: rgb(36, 120, 186) !important;
    border-color: rgb(36, 120, 186) !important;
    width: 43px;
    height: 43px;
    color: #fff !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-icons.follow-icons a.email {
    background-color: rgb(17, 17, 17) !important;
    border-color: rgb(17, 17, 17) !important;
    width: 43px;
    height: 43px;
    color: #fff !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.circle,
.circle img {
    border-radius: 999px !important;
    -o-object-fit: cover;
    object-fit: cover;
}

.button.twitter:hover,
.button.twitter:not(.is-outline) {
    color: #2478ba !important;
}

.button,
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 0;
    box-sizing: border-box;
    color: currentColor;
    cursor: pointer;
    display: inline-block;
    font-size: 0.97em;
    font-weight: bolder;
    letter-spacing: 0.03em;
    line-height: 2.4em;
    margin-right: 1em;
    margin-top: 0;
    max-width: 100%;
    min-height: 2.5em;
    padding: 0 1.2em;
    position: relative;
    text-align: center;
    text-decoration: none;
    text-rendering: optimizeLegibility;
    text-shadow: none;
    text-transform: uppercase;
    transition:
        transform 0.3s,
        border 0.3s,
        background 0.3s,
        box-shadow 0.3s,
        opacity 0.3s,
        color 0.3s;
    vertical-align: middle;
}

.button.fa {
    min-width: 2.5em;
}

.button.facebook:hover,
.button.facebook:not(.is-outline) {
    color: #3a589d !important;
}

.date-content {
    flex: 1;
}

.date-label {
    font-weight: 600;
    color: #333;
    font-size: 14px;
    margin-bottom: 3px;
}

.date-value {
    color: #666;
    font-size: 16px;
    font-weight: 500;
}

.social-links-sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0px 20px 20px 10px;
}

.row2col {
    display: flex;
    flex-direction: row;
    gap: 10px;
}

.social-link {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    text-decoration: none;
    color: #495057;
    font-size: 14px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #e9ecef;
    border-color: #1d4a93;
    color: #1d4a93;
}

.subsection-title {
    color: #1d4a93;
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 15px 0;
    border-bottom: 2px solid #efb419;
    padding-bottom: 5px;
}

/* Mobile responsive for two column layout */
@media (max-width: 768px) {
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    ul#navMenu {
        padding-left: 0px;
    }

    .main-content-column {
        padding-right: 0;
    }

    .sidebar-column {
        position: static;
        order: 2;
    }

    .sidebar-box {
        margin-bottom: 15px;
        box-shadow:
            0 3px 6px -4px rgba(0, 0, 0, 0.16),
            0 3px 6px rgba(0, 0, 0, 0.23);
    }
}

/* ===========================================
   Header Styles
   =========================================== */
.header {
    background-color: #1d4a93;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    /* position: fixed; */
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 6px 0;
    transition: all 0.3s ease;
    border-top: 5px solid #efb419;
}

.header.stuck {
    animation: stuckMoveDown 0.6s;
    position: fixed;
}

h2 {
    font-family: "Lato", sans-serif;
    font-size: 26px;
}

@keyframes stuckMoveDown {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.louis-container {
    max-width: 1410px;
    margin: auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c5aa0;
    text-decoration: none;
}

.nav-menu {
    width: 100%;
    display: flex;
    align-items: center;
    list-style: none;
    gap: 30px;
    position: relative;
    margin-bottom: 0px;
}

.nav-menu li.has-dropdown>a:focus {
    color: #fff;
}

.nav-menu a {
    text-decoration: none;
    color: hsla(0, 0%, 100%, 0.8);
    font-weight: bold;
    font-size: 16px;
    transition: color 0.3s ease;
    padding: 10px 0;
    display: block;
}

.nav-menu a:hover {
    color: hsla(100, 100%, 100%, 1);
}

/* Dropdown Styles */
.nav-menu .has-dropdown {
    position: relative;
}

.nav-menu .has-dropdown>a {
    white-space: nowrap;
}

/* Icon for dropdown using FontAwesome standard classes */
.nav-menu .has-dropdown>a .fa-angle-down {
    font-size: 16px;
    margin-left: 5px;
    transform: rotate(0deg);
    transition: transform 0.3s ease;
}

.nav-menu .has-dropdown:hover>a .fa-angle-down {
    transform: rotate(180deg);
}

/* Fallback for custom icon-angle-down class */
.nav-menu .has-dropdown>a .icon-angle-down {
    font-family: "FontAwesome", sans-serif;
    font-size: 16px;
    margin-left: 5px;
    font-weight: normal;
    font-style: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transform: rotate(0deg);
    transition: transform 0.3s ease;
}

.nav-menu .has-dropdown>a .icon-angle-down::before {
    content: "\f107";
    /* fa-angle-down */
}

.nav-menu .has-dropdown:hover>a .icon-angle-down {
    transform: rotate(180deg);
}

body .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: max-content;
    width: auto;
    list-style: none;
    padding: 0;
    margin: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    display: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    white-space: nowrap;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    display: block;
}

.dropdown li {
    border-bottom: 1px solid #eee;
}

.dropdown li:last-child {
    border-bottom: none;
}

.dropdown a {
    padding: 12px 20px;
    color: #666;
    display: block;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 150px;
}

.dropdown a:hover {
    background: #f8f9fa;
    color: #2c5aa0;
    padding-left: 25px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}

/* Active dropdown item styles */
.dropdown li.active a {
    background: #2c5aa0;
    color: white;
}

.dropdown li.active a:hover {
    background: #1e3f70;
    color: white;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* Theme-owned language menu (Botble-style dropdown). */
.header-language {
    position: relative;
    flex: 0 0 auto;
    color: white;
}

.header-language__details {
    position: static;
}

.header-language__current {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 0;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    list-style: none;
}

.header-language__current::-webkit-details-marker {
    display: none;
}

.header-language__current .fa-angle-down {
    transition: transform 0.2s ease;
}

.header-language__details[open] .header-language__current .fa-angle-down {
    transform: rotate(180deg);
}

.header-language__menu {
    position: absolute;
    z-index: 1000;
    top: 100%;
    right: 0;
    min-width: 180px;
    padding: 6px 0;
    margin: 0;
    list-style: none;
    background: white;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
}

.header-language__menu form {
    margin: 0;
}

.header-language__menu button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 16px;
    color: #666;
    font: inherit;
    text-align: left;
    white-space: nowrap;
    cursor: pointer;
    border: 0;
    background: transparent;
}

.header-language__menu button:hover,
.header-language__menu button:focus-visible {
    color: #2c5aa0;
    background: #f8f9fa;
}

.header-language__menu li.active button {
    color: white;
    background: #2c5aa0;
}

.header-language__menu small {
    margin-left: auto;
    opacity: 0.65;
}

.header-language__flag {
    line-height: 1;
}

/* ===========================================
   Main Content Area
   =========================================== */
.main-content {
    min-height: calc(100vh - 80px);
}

/* ===========================================
   Hero Section
   =========================================== */
.hero-section {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #2c5aa0;
    color: #fff;
}

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2c5aa0;
}

/* ===========================================
   Important Dates Section
   =========================================== */
.dates-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    font-size: 26px;
    text-align: center;
    margin-bottom: 50px;
    color: #000;
    font-weight: 700;
}

.section-center .section-title.fade-in:after {
    text-align: center;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    top: 40px;
}

.section-title:after {
    content: "";
    width: 60px;
    height: 6px;
    display: inline-block;
    background-color: #bf1e2e;
    clear: both;
    position: absolute;
    left: 0px;
    bottom: 0px;
    transition: all 0.3s linear;
    -moz-transition: all 0.3s linear;
    -webkit-transition: all 0.3s linear;
}

.section-title:hover:after {
    width: 150px;
    height: 6px;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.date-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.date-item:hover {
    transform: translateY(-5px);
}

.date-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 10px;
}

.date-value {
    font-size: 16px;
    font-weight: 700;
    color: #333;
}

/* ===========================================
   Content Sections
   =========================================== */
.content-section {
    padding: 50px 0;
}

.content-section:nth-child(even) {
    background: #f8f9fa;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* ===========================================
   Footer
   =========================================== */
.footer {
    background: #3057ba;
    color: #fff;
    padding: 15px 10px 5px 10px;
    text-align: center;
}

.footer p {
    margin-bottom: 10px;
    color: #fff;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #2c5aa0;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2c5aa0;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #2c5aa0;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #1e3a8a;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #999;
}

/* ===========================================
   Responsive Design
   =========================================== */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    .two-column-layout {
        display: flex;
        flex-direction: column;
        gap: 0px;
    }

    #banner img {
        width: 100%;
        height: auto;
    }

    .container {
        padding: 0 15px;
        max-width: 100%;
    }

    .louis-container {
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .mobile-menu-toggle {
        display: block;
        color: white;
        padding: 0px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        /* padding: 20px 15px; */
        z-index: 999;
        width: 100%;
        box-sizing: border-box;
        /* Cuộn dọc khi menu dài (không tràn màn hình) */
        max-height: calc(100vh - 56px);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }

    .nav-menu li.has-dropdown a:focus {
        color: #000;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid #eee;
        width: 100%;
        padding: 6px 12px;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        padding: 15px 0;
        width: 100%;
        font-size: 16px;
        color: #000;
        word-wrap: break-word;
        overflow-wrap: break-word;
        white-space: normal;
    }

    /* Cho phép tiêu đề menu cha xuống dòng trên mobile */
    .nav-menu .has-dropdown>a {
        white-space: normal;
    }

    .nav-menu a:hover {
        color: #2c5aa0;
    }

    /* Mobile dropdown */
    .nav-menu .dropdown {
        position: static;
        box-shadow: none;
        background: #f8f9fa;
        margin-left: 15px;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        width: calc(100% - 15px);
        box-sizing: border-box;
        white-space: normal;
        min-width: 0;
    }

    .nav-menu .has-dropdown .dropdown {
        display: none;
    }

    .nav-menu .has-dropdown.active {
        background-color: #eee;
    }

    .nav-menu .has-dropdown.active li {
        background-color: #eee;
    }

    .nav-menu .has-dropdown.active .dropdown {
        display: block;
    }

    .nav-menu .has-dropdown.active>a {
        color: #000;
    }

    .nav-menu .has-dropdown>a .fa-angle-down,
    .nav-menu .has-dropdown>a .icon-angle-down {
        font-size: 16px;
        float: right;
        transition: transform 0.3s ease;
    }

    /* Icon states for mobile dropdown */
    .nav-menu .has-dropdown>a .fa-angle-down,
    .nav-menu .has-dropdown>a .icon-angle-down {
        transform: rotate(0deg) !important;
        transition: transform 0.3s ease;
    }

    /* Rotate icon when dropdown is active on mobile */
    .nav-menu .has-dropdown.active>a .fa-angle-down,
    .nav-menu .has-dropdown.active>a .icon-angle-down {
        transform: rotate(180deg) !important;
    }

    .nav-menu .dropdown a {
        padding: 10px 15px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        white-space: normal;
        min-width: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .dropdown a {
        padding: 10px 15px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        white-space: normal;
    }

    /* Hero Section Mobile */
    .hero-section {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
        margin-bottom: 15px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        padding: 0 10px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 20px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        padding: 0 10px;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 30px;
        padding: 0 15px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        padding: 0 15px;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
        box-sizing: border-box;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Content Sections Mobile */
    .content-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 30px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        padding: 0 15px;
    }

    .section-text {
        font-size: 1rem;
        line-height: 1.6;
        padding: 0 15px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Dates Grid Mobile */
    .dates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .date-item {
        padding: 20px 15px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Footer Mobile */
    .footer {
        padding: 50px 0 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-section {
        word-wrap: break-word;
        overflow-wrap: break-word;
        padding: 0 15px;
    }

    /* Main Content Mobile */
    .main-content {
        margin-top: 0px;
        width: 100%;
        overflow-x: hidden;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .hero-section {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
        padding: 0 5px;
    }

    .hero-subtitle {
        font-size: 1rem;
        padding: 0 5px;
    }

    .hero-description {
        font-size: 0.9rem;
        padding: 0 10px;
    }

    .content-section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.6rem;
        padding: 0 10px;
    }

    .section-text {
        font-size: 0.9rem;
        padding: 0 10px;
    }

    .dates-grid {
        padding: 0 10px;
        gap: 15px;
    }

    .date-item {
        padding: 15px 10px;
    }

    .date-label {
        font-size: 1rem;
    }

    .date-value {
        font-size: 14px;
    }

    .btn {
        max-width: 260px;
        padding: 12px 20px;
    }

    .footer-section {
        padding: 0 10px;
    }
}

/* ===========================================
   Organizers Section
   =========================================== */
.organizers-section {
    padding: 60px 0;
}

.organizers-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.organizer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    min-height: 110px;
    width: 120px;
    flex-shrink: 0;
}

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

.organizer-logo {
    max-width: 100%;
    max-height: 100px;
    width: auto;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .organizers-grid {
        gap: 20px;
        padding: 0 15px;
    }

    .organizer {
        width: 100px;
    }

    .organizer {
        min-height: 120px;
        padding: 15px;
    }

    .organizer-logo {
        max-height: 80px;
    }
}

/* ===========================================
   Sponsors Section
   =========================================== */
.sponsors-section {
    padding: 60px 0;
}

.sponsors-section.white-bg {
    background-color: white;
}

.sponsors-grid {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-items: center;
    max-width: fit-content;
    margin: 0 auto;
}

.sponsor {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    min-height: 140px;
    width: 100%;
    max-width: 300px;
}

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

.sponsor-logo {
    max-width: 100%;
    max-height: 100px;
    width: auto;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .sponsor {
        min-height: 120px;
        padding: 15px;
        max-width: none;
    }

    .sponsor-logo {
        max-height: 80px;
    }
}

/* ===========================================
   Utility Classes
   =========================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-40 {
    margin-bottom: 40px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mt-40 {
    margin-top: 40px;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}