/* Reset and Base Styles */
* {
    margin: 0;

    box-sizing: border-box;
}

:root {
    /* Color Scheme from Photo */
    --nav-dark: #1a1a3e;
    --yellow:#FD9D24;
     --yellow-bright:#FFD300 ;
    --nav-purple: #2d2d5f;
    --orange: #E55A2B;
    --orange-dark:#E55A2B ;
    --white: #FFFFFF;
    --grey-light: #F5F5F5;
    --grey-medium: #E0E0E0;
    --text-dark: #2C3E50;
    --text-light: #5A6C7D;
    --sdg-9: #FD6925;
    --sdg-4: #C5192D;
    --sdg-17: #19486A;
    --sdg-13: #3F7E44;
    --sdg-11: #FD9D24;
}

body {
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

a {
    color: var(--nav-purple);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--orange);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 2px 0;
    width: 100%;

}

.navbar .container {
    max-width: 100%;

}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    position: relative;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    padding-left: 10px;
}

.logo-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 20px;
    flex-wrap: nowrap;
}

.nav-menu a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    font-size: 14px;
    transition: opacity 0.3s ease;
    padding: 5px 0;
}

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

.btn-register {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--yellow-bright);
    color: var(--nav-dark) !important;
    padding: 14px;
    border-radius: 10px;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    border: 1px solid transparent;
}

.btn-register:hover {
    
    color: var(--nav-dark) !important;
   
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--white);
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: translateX(100%);
    opacity: 1;
    z-index: 1;
}

.hero-slide.active {
    transform: translateX(0);
    transition: transform 1s ease-in-out;
    z-index: 2;
}

.hero-slide.exit {
    transform: translateX(-100%);
    transition: transform 1s ease-in-out;
    z-index: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 40px 20px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 400;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-main-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-date {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-venue {
    font-size: 18px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* Orange Information Banner */
.info-banner {
    background: var(--nav-purple);
    color: var(--white);
    padding: 15px 0;
    width: 100%;
    text-align: center;
}

.info-banner p {
    font-size: 14px;
    font-weight: 500;
    margin: 0;
}

/* Sticky Sidebar Tabs */
.sticky-sidebar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-tab {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    background: var(--nav-purple);
    color: var(--white);
    padding: 20px 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-radius: 5px 0 0 5px;
    transition: background 0.3s ease;
    box-shadow: -2px 2px 8px rgba(0, 0, 0, 0.2);
}

.sidebar-tab:hover {
    background: var(--orange-dark);
    color: var(--white);
}

.sidebar-tab span {
    display: inline-block;
}

/* Notifications Section */
.notifications {
    background: var(--white);
    padding: 40px 0;
}

.notification-box {
    background: var(--grey-light);
    border: 1px solid var(--grey-medium);
    border-radius: 5px;
    padding: 25px 60px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.carousel-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-dark);
    cursor: pointer;
    padding: 5px 10px;
    transition: color 0.3s ease;
}

.carousel-btn:hover {
    color: var(--nav-purple);
}

.notification-content {
    flex: 1;
    text-align: center;
}

.notification-content p {
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
    font-weight: 500;
}

/* Welcome Message Section */
.welcome-message {
    background: var(--white);
    padding: 60px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 40px;
}

.welcome-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: justify;
}

.welcome-content p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

.welcome-content strong {
    color: var(--text-dark);
}

.key-highlights {
    background: var(--grey-light);
    padding: 25px;
    border-radius: 5px;
    margin: 30px 0;
}

.key-highlights h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 20px;
}

.key-highlights ul {
    list-style: none;
    padding-left: 0;
}

.key-highlights li {
    padding: 8px 0;
    color: var(--text-light);
    line-height: 1.8;
    padding-left: 20px;
    position: relative;
}

.key-highlights li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--nav-purple);
    font-weight: bold;
    font-size: 20px;
}

.closing-message {
    background: var(--grey-light);
    padding: 20px;
    border-radius: 5px;
    margin-top: 30px;
    text-align: center;
}

/* Global Participants Section */
.global-participants {
    background: var(--grey-light);
    padding: 60px 0;
}

.global-participants .container {
    max-width: 100%;
    padding: 0 40px;
}

.flags-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.scroll-arrow {
    background: var(--white);
    border: 2px solid var(--grey-medium);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.scroll-arrow:hover {
    background: var(--nav-purple);
    border-color: var(--nav-purple);
    color: var(--white);
    transform: scale(1.1);
}

.scroll-arrow i {
    font-size: 20px;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.scroll-arrow:hover i {
    color: var(--white);
}

.flags-container {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE and Edge */
    padding: 20px 0;
    cursor: grab;
}

.flags-container::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera */
}

.flags-container:active {
    cursor: grabbing;
}

.flags-row {
    display: flex;
    gap: 20px;
    width: max-content;
    padding: 0 10px;
}

.flag-item {
    width: 80px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.flag-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--grey-medium);
    cursor: pointer;
    transition: background 0.3s ease;
}

.dot.active {
    background: var(--nav-purple);
}

/* Previous Proceedings Section */
.previous-proceedings {
    background: var(--white);
    padding: 60px 0;
}

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

.proceeding-year-box {
    background: var(--grey-light);
    border: 1px solid var(--grey-medium);
    border-radius: 5px;
    padding: 15px 30px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    display: inline-block;
    margin-bottom: 20px;
}

.proceeding-text-box {
    background: var(--grey-light);
    border: 1px solid var(--grey-medium);
    border-radius: 5px;
    padding: 30px;
    text-align: left;
}

.proceeding-text-box p {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 15px;
    margin: 0;
}

s
.gallery-section {
    background: var(--white);
    padding: 60px 0;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    width: 100%;
    box-sizing: border-box;
    margin-left: 0px;
    margin-right: 0px;
}

.gallery-header .section-title {
    margin-bottom: 0;
}

.view-all-link {
    color: var(--nav-purple);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    margin: -350px;
}

.view-all-link:hover {
    text-decoration: underline;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.gallery-item {
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    height: 250px;
}

.gallery-item:hover {
    transform: scale(1.05);
}

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

.gallery-placeholder {
    background: var(--grey-light);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.gallery-placeholder i {
    font-size: 48px;
}

/* Partners Section */
.partners-section {
    background: var(--white);
    padding: 60px 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.partner-column {
    text-align: center;
}

.partner-column-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.partner-logos {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.partner-logo-item {
    width: 100%;
    display: flex;
    justify-content: center;
}

.logo-placeholder {
    background: var(--grey-light);
    padding: 20px 30px;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    min-width: 200px;
    border: 1px solid var(--grey-medium);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo-placeholder:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.university-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFD700;
    color: var(--text-dark);
    font-size: 12px;
    min-width: 80px;
    padding: 0;
}

/* SDG Section */
.sdg-section {
    background: var(--white);
    padding: 60px 0;
}

.sdg-logo-container {
    text-align: center;
    margin-bottom: 40px;
}

.sdg-main-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    display: inline-block;
    padding: 15px 30px;
    background: var(--grey-light);
    border-radius: 5px;
}

.sdg-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sdg-icon {
    width: 120px;
    height: 120px;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.sdg-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 5px;
}

.sdg-label {
    font-size: 10px;
    line-height: 1.2;
    font-weight: 600;
}

.sdg-9 {
    background: var(--sdg-9);
}

.sdg-4 {
    background: var(--sdg-4);
}

.sdg-17 {
    background: var(--sdg-17);
}

.sdg-13 {
    background: var(--sdg-13);
}

.sdg-11 {
    background: var(--sdg-11);
}

/* Footer */
.footer {
    background: var(--nav-dark);
    color: var(--white);
    padding: 40px 0 20px;
    width: 100%;
}

.footer-nav {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 25px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.9;
}

.footer-bottom p {
    font-size: 14px;
    margin: 0;
}

/* Special Sessions Page */
.sessions-header {
    background: linear-gradient(135deg, var(--nav-dark), var(--nav-purple));
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
}

.sessions-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin: 0;
}

.sessions-main {
    padding: 60px 0;
    background: var(--white);
}

.about-sessions {
    margin-bottom: 60px;
}

.about-sessions .about-content p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

.about-sessions .about-content a {
    color: var(--nav-purple);
    text-decoration: none;
}

.about-sessions .about-content a:hover {
    text-decoration: underline;
}

.important-notes {
    background: var(--grey-light);
    padding: 25px;
    border-radius: 5px;
    margin-top: 30px;
}

.important-notes h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 20px;
}

.important-notes ul {
    list-style: none;
    padding-left: 0;
}

.important-notes li {
    padding: 8px 0;
    color: var(--text-light);
    line-height: 1.8;
    padding-left: 24px;
    position: relative;
}

.important-notes li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--nav-purple);
    font-weight: bold;
    font-size: 20px;
}

.sessions-section {
    margin-bottom: 60px;
}

.sessions-section-header {
    background: linear-gradient(135deg, var(--nav-dark), var(--nav-purple));
    color: var(--white);
    padding: 15px 25px;
    margin: 0 -20px 30px -20px;
    font-size: 22px;
    font-weight: 700;
}

.sessions-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 40px;
    align-items: start;
    align-items: stretch;
}

.session-tabs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.session-tab {
    background: var(--grey-light);
    color: var(--text-dark);
    border: 1px solid var(--grey-medium);
    padding: 18px 20px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 5px;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 3 / 2;
}

.session-tab:hover {
    background: var(--nav-purple);
    color: var(--white)
}

.session-tab.active {
    background: var(--nav-purple);
    color: var(--white);
}


.session-details {
    background: var(--white);
    border: 1px solid var(--grey-medium);
    border-radius: 5px;
    padding: 30px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.session-panel {
    display: none;

}

.session-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.session-panel h3 {
    color: var(--text-dark);
    font-size: 20px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.session-panel p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 15px;
}

.session-panel ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.session-panel li {
    padding: 8px 0;
    color: var(--text-light);
    line-height: 1.7;
    padding-left: 24px;
    position: relative;
}

.session-panel li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--nav-purple);
    font-weight: bold;
    font-size: 18px;
}

@media (max-width: 900px) {
    .sessions-layout {
        grid-template-columns: 1fr;
    }

    .session-tabs {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .session-tab {
        flex: 1 1 100%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        padding: 0 20px;
    }

    .nav-wrapper {
        min-height: 84px;
    }

    .global-participants .container {
        padding: 0 20px;
    }

    .mobile-menu-toggle {
        display: block;
        width: 44px;
        height: 44px;
        flex-shrink: 0;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: auto;
        right: 0;
        width: min(300px, calc(100vw - 40px));
        flex-direction: column;
        gap: 0;
        align-items: stretch;
        margin-top: 0;
        padding: 12px 0;
        background: var(--orange);
        border-radius: 12px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
        z-index: 1001;
    }

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

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        width: 100%;
        padding: 12px 20px;
    }

    .nav-menu .btn-register {
        display: flex;
        width: calc(100% - 40px);
        max-width: calc(100% - 40px);
        margin: 8px 20px 0;
        box-sizing: border-box;
        padding: 14px;
        text-align: center;
        align-self: center;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-main-title {
        font-size: 24px;
    }

    .hero-date {
        font-size: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .sticky-sidebar {
        display: none;
    }

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

    .proceedings-covers {
        flex-direction: column;
        align-items: center;
    }

    .flags-wrapper {
        gap: 10px;
    }

    .scroll-arrow {
        width: 40px;
        height: 40px;
    }

    .scroll-arrow i {
        font-size: 16px;
    }

    .flags-row {
        gap: 15px;
    }

    .flag-item {
        width: 60px;
        height: 42px;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .sdg-icons {
        gap: 15px;
    }

    .sdg-icon {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        padding: 0 15px;
    }

    .nav-wrapper {
        min-height: 72px;
    }

    .global-participants .container {
        padding: 0 15px;
    }

    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: 24px;
    }

    .hero-main-title {
        font-size: 18px;
    }

    .logo {
        height: 40px;
    }

    .logo-text {
        font-size: 10px;
    }

    .notification-box {
        padding: 15px 30px;
    }

    .info-banner p {
        font-size: 10px;
    }
}

/* CFP Page Styles */
.cfp-header {
    /* background: linear-gradient(135deg, var(--nav-dark), var(--nav-purple)); */
    background: var(--white);
    color: var(--text-dark);
    padding: 0;
    text-align: center;
}

.cfp-header-content h1 {
    font-size: 36px;
    font-weight: 700;
    margin: 0;
    padding: 40px 20px 20px 20px;
    letter-spacing: 1px;
}

.cfp-tabs {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 0 20px 20px 20px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: transparent;
}

.cfp-tabs a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    text-transform: uppercase;
    transition: color 0.3s ease;
    padding-top: 20px;
}

.cfp-tabs a:hover {
    color: var(--nav-purple);
}

.cfp-main {
    padding: 60px 20px;
    background: var(--white);
    max-width: 1200px;
    margin: 0 auto;
}

.cfp-title-box {
    background: var(--nav-purple);
    color: var(--white);
    text-align: center;
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cfp-title-box h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
}

.cfp-section {
    margin-bottom: 60px;
}

.cfp-section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--nav-dark);
    margin-bottom: 25px;
    text-transform: uppercase;
    position: relative;
    padding-left: 15px;
    border-left: 4px solid var(--nav-purple);
}

.cfp-section p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 15px;
    text-align: justify;
}

#review-process {
    background-color: var(--grey-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.cfp-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.cfp-list li {
    padding: 8px 0 8px 30px;
    color: var(--text-light);
    line-height: 1.8;
    position: relative;
    font-size: 15px;
    text-align: justify;
}

.cfp-list li::before {
    content: '\f0da';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 8px;
    color: var(--nav-purple);
    font-size: 16px;
}

.cfp-list a {
    color: var(--nav-purple);
    text-decoration: none;
    font-weight: 600;
}

.cfp-list a:hover {
    text-decoration: underline;
}

.tracks-layout {
    display: flex;
    background: var(--grey-light);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--grey-medium);
    margin-top: 30px;
}

.tracks-sidebar {
    background: var(--nav-dark);
    color: var(--white);
    width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.track-sidebar-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    line-height: 1.4;
    text-transform: uppercase;
}

.tracks-content {
    flex: 1;
    padding: 30px;
}

.track-item {
    margin-bottom: 30px;
}

.track-item:last-child {
    margin-bottom: 0;
}

.track-item h4 {
    font-size: 18px;
    color: var(--nav-purple);
    margin-bottom: 15px;
    font-weight: 700;
}

.track-item ul {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
}

.track-item li {
    color: var(--text-light);
    font-size: 14px;
    padding-left: 20px;
    position: relative;
}

.track-item li::before {
    content: '•';
    position: absolute;
    left: 5px;
    color: var(--nav-dark);
    font-weight: bold;
}

.cfp-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.cfp-table th,
.cfp-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--grey-medium);
}

.cfp-table th {
    background: var(--nav-dark);
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
}

.cfp-table td {
    color: var(--text-dark);
    font-size: 15px;
}

.cfp-table tr:hover {
    background-color: var(--grey-light);
}

@media (max-width: 768px) {
    .tracks-layout {
        flex-direction: column;
    }

    .tracks-sidebar {
        width: 100%;
        padding: 20px;
    }

    .cfp-tabs {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .cfp-tabs a {
        padding-top: 10px;
        padding-bottom: 5px;
    }
}

/* Vertical Tracks Layout */
.tracks-vertical-layout {
    display: flex;
    gap: 2px;
    margin-top: 30px;
    align-items: stretch;
}

.tracks-v-tabs {
    flex: 0 0 200px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.track-v-tab {
    background-color: var(--grey-light);
    border: 1px solid var(--grey-medium);
    border-radius: 6px;
    padding: 30px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    min-height: 540px;
    width: 200px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.track-v-tab-content {
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.5;
}

.track-v-tab-content strong {
    font-size: 16px;
    display: inline-block;
    margin-bottom: 5px;
}

/* Hover effect */
.track-v-tab:hover {
    background-color: var(--nav-purple);
    border-color: var(--nav-purple);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.track-v-tab.active {
    background-color: var(--nav-purple);
    border-color: var(--nav-purple);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.track-v-tab:hover .track-v-tab-content {
    color: var(--white);
}

.track-v-tab.active .track-v-tab-content {
    color: var(--white);
}

.tracks-v-panels {
    flex: 1;
    background-color: var(--grey-light);
    border-radius: 6px;
    padding: 40px;
}

.track-v-panel {
    display: none;
}

.track-v-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.track-panel-title {
    font-size: 30px;
    color: var(--nav-purple);
    margin-bottom: 15px;
    font-weight: 600;
}

.track-panel-divider {
    border: 0;
    height: 1px;
    background-color: var(--text-dark);
    margin-bottom: 30px;
    opacity: 0.2;
}

.track-panel-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.track-sub-section {
    margin-bottom: 30px;
}

.track-sub-section h5 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.5;
}

.track-sub-section h5 span {
    font-weight: normal;
    color: var(--text-light);
}

.track-sub-section ul {
    list-style: none;
    padding-left: 20px;
    margin-bottom: 0;
}

.track-sub-section ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 5px;
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
}

.track-sub-section ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-dark);
    font-weight: bold;
}

#submission {
    background-color: var(--grey-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

#submission .cfp-list {
    text-align: left;
    /* Keep list left aligned */
}

.submit-btn {
    background-color: #4a4872;
    /* Dark purple/grey colour from image */
    color: var(--white);
    padding: 12px 60px;
    margin: 0px 430px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    font-weight: 500;
    margin-top: 30px;
    transition: background-color 0.3s ease;
    align-content: center;
}

.submit-btn:hover {
    background-color: #383659;
}

/* Publication & Ethics Sections */
.pub-ethics-section {
    background-color: transparent;
    padding: 0;
    margin-bottom: 50px;
}

.pub-ethics-section p {
    color: var(--text-dark);
    /* darker text as seen in image */
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
}

#ethics {
    background-color: var(--grey-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);

}

.ethics-block {
    margin-bottom: 20px;
}

.ethics-block h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 5px;
    font-weight: bold;
}

.ethics-block p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 0;
}

/* Important Downloads Section */
.downloads-section {
    margin-top: 60px;
    margin-bottom: 60px;
}

.cfp-downloads-title {
    font-size: 24px;
    font-weight: 700;
    color: #1e3a8a;
    /* Dark blue from the image */
    margin-bottom: 25px;
}

.downloads-container {
    background-color: #f1f5f9;
    /* Light grey box */
    padding: 40px;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    /* Added spacing */
    padding: 15px 0;
}

.download-text {
    font-size: 14px;
    color: var(--text-dark);
}

.download-link {
    color: #1e3a8a;
    text-decoration: underline;
    font-weight: bold;
    font-size: 14px;
}

.download-link:hover {
    color: var(--nav-purple);
}

@media (max-width: 768px) {
    .tracks-vertical-layout {
        flex-direction: column;
    }

    .tracks-v-tabs {
        flex: none;
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
    }

    .track-v-tab {
        min-height: auto;
        padding: 15px;
        flex: 1;
        min-width: 150px;
    }

    .tracks-v-panels {
        padding: 20px;
    }
}

/* Schedule Page Styles */
.schedule-header {
    background-color: #fbfbfb;
    /* Dark purple matching image */
    color: var(--text-dark);
    padding: 60px 0;
    text-align: left;
}

.schedule-main-title {
    font-size: 24px;
    text-transform: uppercase;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
    padding-left: 20px;
    /* Slight indent based on image */
}

.schedule-main {
    padding: 60px 0 100px 0;
    background-color: var(--white);
    min-height: 50vh;
}

.schedule-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.schedule-item {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 25px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .schedule-header {
        padding: 40px 0;
    }

    .schedule-main-title {
        font-size: 20px;
        padding-left: 0;
    }

    .schedule-item {
        font-size: 16px;
    }
}

/* Speakers Page Styles */
.speakers-header {
    background-color: #292451;
    color: var(--white);
    padding: 40px 0;
    text-align: left;
}

.speakers-main-title {
    font-size: 24px;
    text-transform: uppercase;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
    padding-left: 20px;
}

.speakers-main {
    padding: 60px 0 100px 0;
    background-color: var(--white);
    min-height: 50vh;
}

.speakers-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.speaker-section {
    margin-bottom: 60px;
}

.speaker-section-title {
    font-size: 20px;
    font-weight: 700;
    color: #2e305e;
    /* Navy blue */
    margin-bottom: 30px;
}

/* Keynote Grid */
.keynote-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.keynote-card {
    background-color: #f8f9fa;
    /* Light grey */
    padding: 21px 50px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    width: 300px;
}

.keynote-img {
    width: 120px;
    height: 120px;
    border-radius: 5px;
    object-fit: cover;
    margin-bottom: 20px;
}

.keynote-name {
    font-size: 16px;
    font-weight: 700;
    color: #1e3a8a;
    /* Dark blue/navy */
    margin-bottom: 10px;
}

.keynote-desc {
    font-size: 11px;
    color: #555;
    text-transform: uppercase;
    line-height: 1.5;
    font-weight: 600;
}

/* Invited Grid */
.invited-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.invited-card {
    background-color: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    padding: 25px 25px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.invited-name {
    font-size: 15px;
    font-weight: 700;
    color: #292451;
    /* Dark blue */
    margin-bottom: 15px;
    min-height: 40px;
}

.invited-desc {
    font-size: 12px;
    color: #777;
    margin-bottom: 20px;
    line-height: 1.5;
}

.talk-details-btn {
    background-color: #f97316;
    /* Orange */
    color: white;
    border: none;
    border-radius: 4px;
    padding: 10px 0;
    width: 100%;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-family: inherit;
}

.talk-details-btn:hover {
    background-color: #e86300;
}

@media (max-width: 992px) {
    .keynote-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .invited-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .keynote-grid {
        grid-template-columns: 1fr;
    }

    .invited-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .speakers-main-title {
        font-size: 20px;
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .invited-grid {
        grid-template-columns: 1fr;
    }
}

/* Gallery Page Styles */
.gallery-header {
    background-color: var(--grey-light);
    color: var(--nav-purple);
    padding: 50px 0;
    text-align: left;
    width: 100%;
}

.gallery-main-title {
    font-size: 24px;
    text-transform: uppercase;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
    padding-left: 20px;
}

.gallery-main {
    padding: 80px 0 120px 0;
    background-color: var(--white);
    min-height: 60vh;
}

.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.gallery-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.gallery-subtitle {
    font-size: 20px;
    font-weight: 600;
    color: #2e305e;
    /* Navy blue */
    margin: 0;
}

.view-all-btn {
    background-color: #f97316;
    /* Orange color from image */
    color: white;
    padding: 10px 25px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.view-all-btn:hover {
    background-color: #e86300;
}

.gallery-grid-wrapper {
    position: relative;
    padding: 0 40px;
    /* Space for the arrows */
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 3/4;
    /* Vertical image aspect ratio as in screenshot */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-img:hover {
    transform: scale(1.05);
    /* Slight zoom on hover */
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 28px;
    cursor: pointer;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    /* Shadow to make white arrows visible over images */
}

/* Position exactly over the edge images like in screenshot */
.prev-gallery {
    left: 10px;
}

.next-gallery {
    right: 10px;
}

.gallery-nav:hover {
    color: white;
}

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-grid-wrapper {
        padding: 0 20px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-main-title {
        font-size: 20px;
        padding-left: 0;
    }

    .gallery-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}
/* Registration Page Styles */
.registration-main {
    padding-bottom: 0px;
}

.registration-content {
    padding-top: 40px;
    padding-bottom: 40px;
}

.reg-intro {
    font-size: 15px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.reg-intro-list {
    margin-bottom: 40px;
    padding-left: 20px;
    color: var(--text-dark);
}

.reg-intro-list li {
    margin-bottom: 8px;
    font-size: 14px;
}

.reg-section-wrap-grey {
    background-color: var(--grey-light);
    width: 100%;
}

.reg-section {
    margin-bottom: 40px;
}

.reg-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 15px;
}

.reg-section-header h2 {
    font-size: 22px;
    color: var(--nav-dark);
}

.currency-note {
    font-size: 14px;
    font-weight: bold;
    color: var(--nav-dark);
    margin-top: 5px;
}

.saarc-note {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.action-buttons {
    display: flex;
    gap: 15px;
}

.pay-btn {
    padding: 8px 20px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-size: 14px;
}

.btn-razorpay {
    background-color: #F37254;
}

.btn-paypal {
    background-color: #FF9933;
}

.pay-btn img {
    height: 20px;
}

.form-btn {
    padding: 8px 20px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--nav-purple);
    color: var(--white);
    font-size: 14px;
}

.reg-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background: var(--white);
}

.reg-table th, .reg-table td {
    border: 1px solid var(--nav-dark);
    padding: 12px 15px;
    text-align: center;
    font-size: 14px;
}

.reg-table th {
    background-color: var(--nav-dark);
    color: var(--white);
    font-weight: 600;
}

.reg-table td {
    color: var(--text-dark);
}

.reg-table tbody tr:nth-child(even) {
    background-color: var(--grey-light);
}

.reg-footer-note {
    margin-top: 15px;
    font-size: 13px;
    color: var(--text-dark);
}

.reg-footer-note p {
    font-weight: bold;
    margin-bottom: 5px;
}

.reg-footer-note ol {
    padding-left: 15px;
}

.reg-footer-note li {
    margin-bottom: 5px;
}

.reg-includes, .reg-important {
    margin-bottom: 30px;
}

.reg-includes h3, .reg-important h3 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-dark);
    text-transform: uppercase;
}

.reg-includes ul, .reg-important ul {
    padding-left: 20px;
}

.reg-includes li, .reg-important li {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.guidelines-note {
    font-size: 14px;
    margin-bottom: 20px;
}

.policy-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.policy-tab {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    background-color: var(--grey-light);
    color: var(--text-dark);
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.policy-tab.active {
    background-color: var(--nav-dark);
    color: var(--white);
}

.policy-content {
    display: none;
    font-size: 14px;
    color: var(--text-dark);
    background-color: var(--white);
    padding: 20px;
    border: 1px solid var(--grey-medium);
    border-radius: 4px;
    margin-bottom: 40px;
}

.policy-content.active {
    display: block;
}

.padding-bottom {
    padding-bottom: 60px;
}

/* Extra responsiveness for header action buttons */
@media (max-width: 768px) {
    .reg-section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Form Styles */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    background: var(--grey-light);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--grey-medium);
}

.contact-info h3 {
    margin-bottom: 20px;
    color: var(--nav-dark);
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    color: var(--nav-purple);
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.custom-form {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--grey-medium);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
    font-size: 15px;
    background-color: #fafafa;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--nav-purple);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
    background-color: var(--white);
}

.form-row {
    display: flex;
    gap: 20px;
}

.half-width {
    flex: 1;
}

@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

.btn-submit {
    background: var(--nav-purple);
    color: var(--white);
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

.btn-submit:hover {
    background: var(--yellow);
}

.form-result {
    margin-top: 15px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}

.form-result.success {
    color: #2e7d32;
}

.form-result.error {
    color: #d32f2f;
}
