:root {
    --primary-purple: #7c3aed;
    --secondary-purple: #5d3a73;
    --dark-purple: #4c1d95;
    --dark-bg: #2D2D2D;
    --light-bg: #f8f9fa;
    --accent-orange: #f39c12;
    --gradient-start: #4a2c5e;
    --gradient-end: #2c5e5e;
    --primary-orange: #E89B3C;
    --light-gray: #F5F5F5;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    padding-top: 90px;
}

.navbar {
    background: transparent !important;
    padding: 5px 0;
}

.navbar-brand img {
    height: 50px;
}

.navbar-nav .nav-link {
    color: white !important;
    margin: 0 15px;
    font-weight: 500;
    transition: opacity 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

.navbar-nav .nav-link:hover {
    opacity: 0.8;
}

.navbar.scrolled {
    background: white !important;
    /*box-shadow: 0 2px 10px rgba(0,0,0,0.1);*/
}

.navbar.scrolled .nav-link {
    color: #1e293b !important;
}
.navbar.scrolled .nav-link.disabled {
    color: #999 !important;
}

.navbar.scrolled .nav-link.registration {
    color: var(--accent-orange) !important;
}

.navbar-toggler {
    border-color: rgba(255,255,255,0.5);
}

.navbar.scrolled .navbar-toggler {
    border-color: rgba(0,0,0,0.1);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar.scrolled .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M7 7l16 16M23 7L7 23'/%3e%3c/svg%3e");
}

.navbar.scrolled .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M7 7l16 16M23 7L7 23'/%3e%3c/svg%3e");
}
.nav-link.disabled {
    color: #999 !important;
    cursor: not-allowed;
}

.nav-link.registration {
    color: var(--accent-orange) !important;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: white;
        margin-top: 10px;
        padding: 15px;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        overflow: visible !important;
        position: relative;
        z-index: 1031;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease;
    }

    .navbar-collapse.show {
        opacity: 1;
        visibility: visible;
    }

    .navbar.scrolled .navbar-collapse {
        transition: none !important;
    }

    .navbar-collapse .nav-link {
        color: #1e293b !important;
    }
    
    .dropdown-menu {
        background: transparent !important;
        border: none;
        box-shadow: none;
        padding: 10px 0;
        display: block !important;
        position: static !important;
        margin-top: 5px;
        z-index: 1050;
    }

    .dropdown-item {
        color: #000 !important;
        padding: 10px 20px;
        padding-left: 30px;
    }

    .dropdown-item:hover {
        background-color: rgba(0, 0, 0, 0.05) !important;
        color: #000 !important;
    }

    .hero-section {
        margin-top: 0;
    }
}

.footer {
    background-color: #2c2c2c;
    color: white;
    padding: 50px 0 20px;
    border-top: 4px solid var(--accent-orange);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.footer-main-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    /*
    .footer-main-grid {
        grid-template-columns: 1fr;
    }*/
}

.footer h5 {
    color: var(--accent-orange);
    font-weight: 700;
    margin-bottom: 20px;
    font-size: 1rem;
}

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

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

.footer ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
}

.footer ul li a:hover {
    color: var(--accent-orange);
}

.footer-logo {
    max-width: 150px;
    margin-bottom: 20px;
}

.footer-logo-main {
    max-width: 30%;
    height: auto;
    margin-bottom: 20px;
}

.social-icons a {
    color: white;
    font-size: 1.5rem;
    margin-right: 15px;
    transition: opacity 0.3s;
}

.social-icons a:hover {
    opacity: 0.7;
}

.sponsors-section {
    margin-top: 40px;
}

.sponsors-section h6 {
    color: var(--accent-orange);
    font-weight: 700;
    margin-bottom: 20px;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    align-items: center;
}

.sponsor-item {
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
}

.sponsor-item img {
    max-height: 70px;
    max-width: 130px;
    min-width: 100px;
    min-height: 50px;
    filter: brightness(0) invert(1);
}
/*
@media (max-width: 576px) {
    .sponsors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sponsor-item img {
        max-height: 50px;
        max-width: auto;
    }
}

@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .sponsor-item img {
        max-height: 60px;
        max-width: auto;
    }
}
*/
.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    color: #999;
    font-size: 0.85rem;
}

.footer-section {
    display: grid;
    gap: 20px;
}

/* Hero Section Index */
.hero-section {
    background: radial-gradient(circle at 0% 0%, rgb(103,77,139) 0%, transparent 50%),
                radial-gradient(circle at 100% 0%, rgb(110,32,91) 0%, transparent 50%),
                radial-gradient(circle at 0% 100%, rgb(0,165,157) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgb(7,7,9) 0%, transparent 50%),
                linear-gradient(135deg, rgb(103,77,139) 0%, rgb(110,32,91) 25%, rgb(0,165,157) 75%, rgb(7,7,9) 100%);
    min-height: 100vh;
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    margin-top: -90px;
    display: flex;
    align-items: center;
    padding: 90px 0 80px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

/* Hero Section Content */
.hero-section-content {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('./images/heros/wan-san-yip-ID1yWa1Wpx0-unsplash.jpg');
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 3rem;
}

.hero-section-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-section-content-seminars {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('./images/heros/online-seminars.jpg');
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 3rem;
}

.hero-section-content-seminars h2 {
    font-size: 3.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}



.hero-subtitle {
    color: var(--accent-orange);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
}

.hero-details {
    margin: 30px 0;
}

.hero-details p {
    margin: 10px 0;
    font-size: 1.1rem;
}

.hero-details i {
    color: var(--accent-orange);
    margin-right: 10px;
}

.btn-orange {
    background-color: var(--accent-orange);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-orange:hover {
    background-color: #e67e22;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
}

.btn-outline-light {
    border: 2px solid white;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-outline-light:hover {
    background-color: white;
    color: var(--primary-purple);
}

.hero-image {
    max-width: 100%;
    height: auto;
}

/* Info Section */
.info-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;;
    margin-bottom: 30px;
}

.lead {
    color: var(--accent-orange);
}

.lead-title{
    color: var(--accent-orange);
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.info-badges {
    display: flex;
    gap: 15px;
    margin: 10px 0 30px;
    flex-wrap: wrap;
}

.badge-custom {
    background-color: var(--accent-orange);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;

    .label {
        font-weight: 300;
    }
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
    height: 100%;
    border: 3px solid var(--accent-orange);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.feature-icon {
    max-width: 100%;
    max-height: 50px;
    /*font-size: 3rem;*/
    /*color: var(--accent-orange);*/
    margin-bottom: 20px;
}

/* Conference Types Section */
/*
.conference-types {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #e67e22 100%);
    padding: 60px 0;
    color: white;
    justify-content: center;
}
*/
.conference-types {
    background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 50%, #065f46 100%);
    padding: 60px 0;
    color: white;
    justify-content: center;
}

.type-card {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    height: 100%;
    transition: all 0.3s;
    /*color: #000;*/
    text-align: center;

    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.type-card p {
    flex-grow: 1;
}

.type-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.type-card h3 {
    font-size: 1.2rem;
    font-weight: 550;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .type-card {
        padding: 20px !important;
    }
    
    .type-card h3 {
        font-size: 1.1rem;
    }
    
    .type-card p {
        font-size: 0.95rem;
    }
}

.btn-outline-white {
    border: 2px solid white;
    color: white;
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin-top: 15px;
    transition: all 0.3s;
}

.btn-outline-white:hover {
    background: white;
    color: var(--primary-purple); /*--accent-orange*/
}

.btn-dark-blue {
    background-color: #2c3e50;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.btn-dark-blue:hover {
    background-color: white;
    color: #2c3e50;
}

.btn-white-purple {
    background-color: white;
    color: var(--secondary-purple);
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
}

/* Tracks and Dates Section */
.tracks-dates-section {
    padding: 60px 0;
    background-color: white;
}

.tracks-column, .dates-column {
    padding: 30px;
}

.tracks-column h3, .dates-column h3 {
    color: var(--accent-orange);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.track-item, .date-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.track-item:last-child, .date-item:last-child {
    border-bottom: none;
}

/* Crossref Section */
.crossref-section {
    /*background-color: #e9ecef;*/
    background-color: rgb(61,94,164);
    color: white;
    padding: 50px 0;
    text-align: center;
}

.crossref-logo {
    max-width: 200px;
    margin-bottom: 20px;
}

/* Speakers Section */
.speakers-section {
    /*background: linear-gradient(180deg, var(--primary-purple) 0%, var(--gradient-end) 100%);*/
    background: radial-gradient(circle at 0% 0%, rgb(103,77,139) 0%, transparent 50%),
                radial-gradient(circle at 100% 0%, rgb(110,32,91) 0%, transparent 50%),
                radial-gradient(circle at 0% 100%, rgb(0,165,157) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgb(7,7,9) 0%, transparent 50%),
                linear-gradient(135deg, rgb(103,77,139) 0%, rgb(110,32,91) 25%, rgb(0,165,157) 75%, rgb(7,7,9) 100%);
    padding: 60px 0;
    color: white;
}

.speakers-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    padding-bottom: 15px;
    border-bottom: 4px solid var(--accent-orange);
    display: inline-block;
    width: auto;
}

.intro{

    .speaker-card {
        text-align: center;
        margin-bottom: 30px;
    }

    .speaker-image {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        border: 5px solid var(--accent-orange);
        margin: 0 auto 20px;
        object-fit: cover;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }

    .speaker-name {
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 5px;
    }

    .speaker-title {
        font-size: 0.9rem;
        opacity: 0.9;
    }
}
/* Video Section */
.video-section {
    padding: 60px 0;
    background-color: white;
}

.video-section h2 {
    color: var(--primary-purple);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.video-section h2 span {
    color: #000;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 0, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.play-button:hover {
    transform: scale(1.1);
    background: rgba(255, 0, 0, 1);
}

.play-button i {
    color: white;
    font-size: 2rem;
    margin-left: 5px;
}

/* Deadlines Section */
.deadlines-section h3 {
    color: #000;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.deadlines-intro {
    color: #666;
    line-height: 1.8;
    margin-bottom: 3rem;
    /*max-width: 900px;*/
}

/* Deadline Cards */
.deadline-card {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.deadline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.card-icon {
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 0;
}

.card-icon i {
    font-size: 3rem;
    color: #333;
}

.card-title {
    background: white;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: #333;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-date {
    padding: 1rem;
    background: var(--primary-orange);
    color: white;
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
}

/* Main Content */
.content-section {
    padding: 2rem 0;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-title .highlight {
    color: var(--primary-orange);
}

.section-intro {
    color: #666;
    line-height: 1.8;
    margin-bottom: 3rem;
    /*max-width: 900px;*/
}

/* Executive Board Section */
.board-section {
    background: var(--light-bg);
    padding: 80px 0;

    .board-member {
        text-align: center;
        margin-bottom: 40px;
    }

    .board-member img {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        object-fit: cover;
        margin-bottom: 20px;
        border: 5px solid white;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .board-member h4 {
        font-weight: 700;
        margin-bottom: 10px;
    }

    .board-member p {
        color: #666;
        font-size: 0.9rem;
        margin-bottom: 5px;
    }

    .board-member .institution {
        color: var(--primary-purple);
        font-weight: 600;
    }

    .board-member{
            cursor: pointer;
            transition: transform 0.3s;
        }

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

.modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 9999;
            justify-content: center;
            align-items: center;
        }

        .modal-overlay.active {
            display: flex;
        }

        .modal-content {
            background: white;
            border-radius: 15px;
            padding: 40px;
            max-width: 600px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            animation: modalSlideIn 0.3s ease;
        }

        .modal-content.full-width {
            max-width: none;
        }

        @keyframes modalSlideIn {
            from {
                transform: translateY(-50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: #666;
            line-height: 1;
        }

        .modal-close:hover {
            color: #000;
        }

        .modal-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .modal-header img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 20px;
            border: 5px solid var(--primary-purple);
        }

        .modal-header h3 {
            font-weight: 700;
            margin-bottom: 10px;
        }

        .purple{
            color: var(--primary-purple);
        }

        .modal-header p {
            color: #666;
            margin-bottom: 5px;
        }

        .modal-header .institution {
            color: var(--primary-purple);
            font-weight: 600;
        }

        .modal-bio {
            color: #333;
            line-height: 1.8;
            margin-bottom: 30px;
            text-align: justify;
        }

        .modal-footer {
            text-align: center;
        }

        .btn-more-info {
            background: linear-gradient(90deg, var(--primary-purple) 0%, var(--dark-purple) 100%);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: transform 0.3s;
        }

        .btn-more-info:hover {
            transform: translateY(-2px);
            color: white;
        }



/* Member Cards */
.members-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.member-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem 1rem;
    text-align: center;
    width: 140px;
    transition: all 0.3s ease;
}

.member2-card {
    background: #e0e0e0;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem 1rem;
    text-align: center;
    width: 220px;
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-color: var(--primary-orange);
}

.member-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    background: #ddd;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-name {
    font-weight: 700;
    font-size: 0.85rem;
    color: #333;
    margin-bottom: 0.3rem;
}

.member2-name {
    font-weight: 700;
    font-size: 0.85rem;
    color: #333;
    margin-bottom: 0.3rem;
}

.member-affiliation {
    font-size: 0.75rem;
    color: #666;
    line-height: 1.3;
}

/* Organizing Committee Section */
.organizing-section {
    background: var(--light-gray);
    padding: 3rem 0;
    margin: 3rem 0;
}

.organizing-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Committee List */
.committee-list {
    column-count: 4;
    column-gap: 2rem;
    margin: 2rem 0;
}

.committee-list-item {
    font-size: 0.75rem;
    line-height: 1.8;
    color: #666;
    break-inside: avoid;
    margin-bottom: 0.3rem;
}

/* Universities Section */
.universities-section {
    text-align: center;
    padding: 3rem 0;
}

.universities-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.universities-title .highlight {
    color: var(--primary-orange);
}

.universities-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.university-logo {
    background: white;
    padding: 15px 25px;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    width: 100%;
}

.university-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.university-logo img {
    height: auto;
    width: 100%;
}

/* Industry Committee */
.industry-section {
    padding: 3rem 0;
}

/* Button */
.explore-btn {
    background: var(--dark-bg);
    color: white;
    padding: 0.8rem 2.5rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    margin: 2rem auto;
    display: block;
    transition: background 0.3s ease;
    font-size: 0.9rem;
}

.explore-btn:hover {
    background: #1a1a1a;
}

/* Conference Hotel Section */
.hotel-info {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.hotel-details h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.hotel-details p {
    margin: 0.25rem 0;
    color: #666;
}

.location-icon {
    color: var(--primary-orange);
    margin-right: 0.5rem;
}

#mapa {width:100%; max-width:800px; height:315px; margin:0 auto; border:2px solid #ddd; border-radius:8px;}

/* Accommodation Cards */
.accommodation-section {
    background-color: var(--light-gray);
    padding: 3rem 0;
}

.hotel-card {
    background-color: var(--light-gray);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.hotel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.hotel-card-header {
    padding: 1.5rem;
}

.hotel-card-header h4 {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.hotel-card-header p {
    margin: 0.25rem 0;
    color: #666;
    font-size: 0.9rem;
}

.hotel-image {
    padding-left: 10px;
    padding-right: 10px;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.hotel-card-footer {
    padding: 1.5rem;
    text-align: center;
}

.btn-website {
    background-color: var(--dark-bg);
    color: white;
    padding: 0.75rem 3rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
}

.btn-website:hover {
    background-color: #1a1a1a;
}

/* Action Buttons */
.action-buttons {
    text-align: center;
    padding: 3rem 0;
    background-color: white;
}

.btn-register {
    background-color: #5A9A9E;
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    margin: 0 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-register:hover {
    background-color: #E09615;
}

.btn-submission {
    background-color: var(--dark-bg);
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    margin: 0 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submission:hover {
    background-color: #1a1a1a;
}

/* Seminar Cards */
.seminar-section {
    padding: 3rem 0;
    background: white;
}

.seminar-card {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s;
}

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

.seminar-header {
    background: var(--primary-orange);
    color: #1a1a1a;
    padding: 1rem;
    border-radius: 5px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.seminar-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.seminar-content ul {
    list-style: none;
    padding: 0;
    flex-grow: 1;
}

.seminar-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.seminar-content li:before {
    content: "-";
    position: absolute;
    left: 0;
    color: #1a1a1a;
    font-weight: bold;
}

.btn-programme {
    background: var(--accent-orange);
    color:#1a1a1a;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    display: block;
    margin: 0 auto;
    margin-top: auto;
}

.btn-programme:hover {
    background: #e08e0b;
}

/* Video Records */
.records-section {
    padding: 4rem 0;
    background: white;
}

.records-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
}

.play-button {
    width: 80px;
    height: 80px;
    background: #8B1538;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s;
}

.play-button:hover {
    transform: scale(1.1);
}

.play-button i {
    color: white;
    font-size: 2rem;
    margin-left: 5px;
}

.see-more {
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.see-more a {
    color: #1a1a1a;
    text-decoration: none;
}

/* Conference Fee Section */
.conference-fee-section {
    padding: 4rem 0;
    background: white;
}

/* Pricing Cards */
.pricing-card {
    background: var(--light-gray);
    border-radius: 15px;
    padding: 0.73rem;
    margin-bottom: 1.46rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.pricing-header {
    background: var(--primary-purple);
    color: white;
    padding: 0.73rem;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 1.1rem;
    font-weight: 600;
    font-size: 0.8rem;
}

.pricing-card.featured .pricing-header {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.pricing-card.online .pricing-header {
    background: radial-gradient(circle at 0% 100%, rgb(0,165,157) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgb(7,7,9) 0%, transparent 50%),
                radial-gradient(circle at 0% 0%, rgb(103,77,139) 0%, transparent 50%),
                radial-gradient(circle at 100% 0%, rgb(31,81,91) 0%, transparent 50%),
                linear-gradient(135deg, rgb(0,165,157) 0%, rgb(31,81,91) 25%, rgb(29,75,76) 50%, rgb(7,7,9) 100%);
}

.price {
    font-size: 1.825rem;
    font-weight: 700;
    text-align: center;
    margin: 0.73rem 0;
}

.price-above {
    font-size: 1.825rem;
    font-weight: 700;
    text-align: center;
    margin: 0.73rem 0;
    text-decoration: line-through;
}

.pricing-card.featured {
    color: white;
    background: radial-gradient(circle at 0% 100%, rgb(0,165,157) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgb(7,7,9) 0%, transparent 50%),
                radial-gradient(circle at 0% 0%, rgb(103,77,139) 0%, transparent 50%),
                radial-gradient(circle at 100% 0%, rgb(31,81,91) 0%, transparent 50%),
                linear-gradient(135deg, rgb(0,165,157) 0%, rgb(31,81,91) 25%, rgb(29,75,76) 50%, rgb(7,7,9) 100%);
}

.price-label {
    font-size: 1rem;
    color: #666;
}

.pricing-card.featured .price-label{
    color: white;
}

.features-list {
    list-style: none;
    padding: 1.46rem;
    margin: 1.1rem 0;
}

.features-list li {
    padding: 0.365rem 0;
    position: relative;
    padding-left: 1.095rem;
    font-size: 0.9rem;
}

.features-list li.not {
    padding: 0.365rem 0;
    position: relative;
    padding-left: 1.095rem;
    font-size: 0.9rem;
    text-decoration: line-through;
}

.features-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.features-list li.not:before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #ef2d2d;
    font-weight: bold;
}

.register-btn {
    background: var(--primary-orange);
    color: #1a1a1a;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    width: auto;
    cursor: pointer;
    transition: background 0.3s;
    display: block;
    margin: 1rem auto;
    max-width: 50%;
}

.register-btn:hover {
    background: #e67e22;
}

/* Speaker Cards */
.keynote{
    .speaker-card {
        margin-bottom: 40px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .speaker-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }

    .speaker-image {
        width: 100%;
        height: 300px;
        object-fit: cover;
        background-color: #ddd;
    }

    .speaker-info {
        background: radial-gradient(circle at 0% 100%, rgb(0,165,157) 0%, transparent 50%),
                    radial-gradient(circle at 100% 100%, rgb(7,7,9) 0%, transparent 50%),
                    radial-gradient(circle at 0% 0%, rgb(103,77,139) 0%, transparent 50%),
                    radial-gradient(circle at 100% 0%, rgb(31,81,91) 0%, transparent 50%),
                    linear-gradient(135deg, rgb(0,165,157) 0%, rgb(31,81,91) 25%, rgb(29,75,76) 50%, rgb(7,7,9) 100%);
        color: white;
        padding: 25px;
        text-align: center;
    }

    .speaker-name {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 5px;
    }

    .speaker-title {
        font-size: 14px;
        font-weight: 400;
        opacity: 0.95;
        margin-bottom: 15px;
    }

    .speaker-link {
        display: inline-block;
        color: white;
        text-decoration: none;
        font-size: 12px;
        padding: 8px 20px;
        transition: all 0.3s;
    }

    .speaker-link:hover {
        background-color: white;
        color: #5A9A9E;
    }

    .speaker-bio {
        padding: 25px;
        background-color: white;
        font-size: 13px;
        color: #666;
        line-height: 1.8;
        text-align: justify;
    }
}

/* Publication Cards - track-topics specific */
.publication-grid {
    display: flex;
    grid-template-columns: repeat(4, 1fr);
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 1rem;
}

.publication-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
    transition: transform .3s, box-shadow .3s;
    cursor: pointer;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.publication-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.publication-card-body {
    padding: 1rem;
    text-align: center;
}

.publication-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.bg-light-section {
    background-color: var(--light-gray);
}

/* Seminar Cards */
.seminar-section {
    padding: 3rem 0;
    background: white;
}

.seminar-card {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s;
}

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

.seminar-header {
    background: var(--primary-orange);
    color: #1a1a1a;
    padding: 1rem;
    border-radius: 5px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.seminar-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.seminar-content ul {
    list-style: none;
    padding: 0;
    flex-grow: 1;
}

.seminar-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.seminar-content li:before {
    content: "-";
    position: absolute;
    left: 0;
    color: #1a1a1a;
    font-weight: bold;
}

.btn-programme {
    background: var(--accent-orange);
    color: #1a1a1a;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    display: block;
    margin: 0 auto;
    margin-top: auto;
}

.btn-programme:hover {
    background: #e08e0b;
}

/* Video Records */
.records-section {
    padding: 4rem 0;
    background: white;
}

.records-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
}

.video-container {
    background: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    padding-top: 56.25%;
    margin-bottom: 2rem;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s;
}

.play-button:hover {
    transform: scale(1.1);
}

.play-button i {
    color: white;
    font-size: 2rem;
    margin-left: 5px;
}

@media (max-width: 768px) {
    .type-card {
        padding: 20px !important;
    }
    
    .type-card h3 {
        font-size: 1.1rem;
    }
    
    .type-card p {
        font-size: 0.95rem;
    }
    
    .seminar-card {
        padding: 1.5rem;
    }
    
    .seminar-header {
        font-size: 1rem;
    }
}

/* Conference Hotel Section */
.conference-hotel {
    background-color: white;
    padding: 3rem 0;
}

.hotel-info {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.hotel-details h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.hotel-details p {
    margin: 0.25rem 0;
    color: #666;
}

.location-icon {
    color: var(--primary-orange);
    margin-right: 0.5rem;
}

#map {width:100%; max-width:800px; height:402px; margin:0 auto; border:2px solid #ddd; border-radius:8px;}

/* Accommodation Cards */
.accommodation-section {
    background-color: var(--light-gray);
    padding: 3rem 0;
}

.hotel-card {
    background-color: var(--light-gray);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.hotel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.hotel-card-header {
    padding: 1.5rem;
}

.hotel-card-header h4 {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.hotel-card-header p {
    margin: 0.25rem 0;
    color: #666;
    font-size: 0.9rem;
}

.hotel-image {
    padding-left: 10px;
    padding-right: 10px;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.hotel-card-footer {
    padding: 1.5rem;
    text-align: center;
}

.btn-website {
    background-color: var(--dark-bg);
    color: white;
    padding: 0.75rem 3rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
}

.btn-website:hover {
    background-color: #1a1a1a;
}

/* Action Buttons */
.action-buttons {
    text-align: center;
    padding: 3rem 0;
    background-color: white;
}

.btn-register {
    background-color: var(--secondary-color);
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    margin: 0 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-register:hover {
    background-color: #E09615;
}

.btn-submission {
    background-color: var(--dark-bg);
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    margin: 0 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submission:hover {
    background-color: #1a1a1a;
}