/* hero Section */

** {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

.ptop-100{
    padding-top: 10px;
}
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #23252f; /* Dark base for contrast */
}

.carousel {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    /* transform: scale(1.1); */
    transition: all 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(70%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgb(0 0 0 / 50%), rgb(0 0 0 / 39%)); /* Gradient overlay */
    z-index: 1;
}

.hero-text {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #edf0f7; /* Light text */
    z-index: 2;
    padding: 30px;
    background: rgba(35, 37, 47, 0.205); 
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    animation: fadeInUp 1s ease-out;
}

.hero-text .slide-title {
    font-size: 3rem;
    /* color: #917f9c; */
    color: white; 
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0;
    animation: slideIn 0.5s ease forwards 0.5s;
}

.hero-text .main-text {
    font-size: 1.6rem;
    line-height: 1.5;
    margin-bottom: 15px;
    opacity: 0;
    animation: slideIn 0.5s ease forwards 0.7s;
}

.hero-text .date-text {
    font-size: 1.4rem;
    opacity: 0;
    animation: slideIn 0.5s ease forwards 0.9s;
}

.hero-text .date-text span {
    /* color: #516e8f; Secondary accent */
    color: white; 
    font-weight: bold;
}

.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #917f9c, #516e8f);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-size: 1.2rem;
    margin-top: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    animation: slideIn 0.5s ease forwards 1.1s;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(81, 110, 143, 0.5);
}

.carousel-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    z-index: 2;
}

.prev-btn, .next-btn {
    background: #e5e4e2;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    color: #23252f;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 5px 5px 10px rgba(81, 110, 143, 0.2),
                -5px -5px 10px rgba(255, 255, 255, 0.7);
}

.prev-btn:hover, .next-btn:hover {
    background: #917f9c;
    color: white;
    box-shadow: inset 3px 3px 6px rgba(81, 110, 143, 0.3);
}

.carousel-dots {
    display: flex;
    gap: 10px;
    margin: 0 20px;
}

.dot {
    width: 12px;
    height: 12px;
    background: #e5e4e2;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 2px 2px 5px rgba(81, 110, 143, 0.2);
}

.dot.active {
    background: #516e8f;
    transform: scale(1.2);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translate(-50%, -40%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .hero-text .slide-title {
        font-size: 2rem;
    }

    .hero-text .main-text {
        font-size: 1.2rem;
    }

    .hero-text .date-text {
        font-size: 1.1rem;
    }

    .cta-button {
        padding: 10px 25px;
        font-size: 1rem;
    }

    .prev-btn, .next-btn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero-text {
        padding: 20px;
    }

    .hero-text .slide-title {
        font-size: 1.5rem;
    }

    .hero-text .main-text {
        font-size: 1rem;
    }

    .hero-text .date-text {
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 8px 20px;
        font-size: 0.9rem;
    }

    .carousel-controls {
        bottom: 20px;
    }
}


/* about IARA */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

.about-section {
    background-color: #f5f6f5;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

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

.about-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

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

.section-title {
    color: #2C3E50;
    font-size: 2.2rem;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 10px;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #D4AF37;
}

.section-content {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: justify;
}

.section-content a {
    color: #D4AF37;
    text-decoration: none;
    transition: color 0.3s ease;
}

.section-content a:hover {
    color: #2C3E50;
}

.lists-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 20px;
}

.list-box {
    flex: 1;
    min-width: 300px;
    margin: 10px;
}

.list-box h3 {
    color: #2C3E50;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.list-box ul {
    list-style: none;
}

.list-box ul li {
    color: #555;
    font-size: 1.1rem;
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.list-box ul li::before {
    content: '•';
    color: #D4AF37;
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .about-card {
        padding: 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-content {
        font-size: 1rem;
    }

    .list-box {
        min-width: 100%;
    }

    .list-box h3 {
        font-size: 1.3rem;
    }

    .list-box ul li {
        font-size: 1rem;
    }
}

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

    .section-title {
        font-size: 1.5rem;
    }

    .section-content {
        font-size: 0.9rem;
    }
}


/* theme section */
.themes-section {
    background: linear-gradient(to bottom, #edf0f7, #ffffff); /* Soft gradient */
    padding: 20px 20px;
    position: relative;
    overflow: hidden;
}

.themes-container {
    max-width: 1400px;
    margin: 0 auto;
}

.title-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(145, 127, 156, 0.1), transparent);
    border-radius: 50%;
    z-index: 0;
}

.title-line {
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #516e8f, #917f9c);
    margin: 15px auto 0;
    border-radius: 2px;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.theme-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(81, 110, 143, 0.1);
    padding: 20px;
    position: relative;
    /* overflow: hidden; */
}

.theme-title {
    color: #516e8f; /* Secondary accent */
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #917f9c; /* Accent underline */
}

.theme-list {
    list-style: none;
    padding-left: 0;
    /* max-height: 400px; */
    /* overflow-y: auto; */
}

.theme-list li {
    color: #23252f;
    font-size: 14px;
    line-height: 1.6;
    padding: 0px 0;
    position: relative;
    padding-left: 20px;
}

.theme-list li::before {
    content: '•';
    color: #917f9c; /* Accent bullet */
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Scrollbar styling for long lists */
.theme-list::-webkit-scrollbar {
    width: 6px;
}

.theme-list::-webkit-scrollbar-thumb {
    background: #917f9c;
    border-radius: 3px;
}

.theme-list::-webkit-scrollbar-track {
    background: #edf0f7;
}

@media (max-width: 768px) {
    .themes-section {
        padding: 10px 15px;
    }

    .title-text {
        font-size: 1.2rem;
    }

    .title-bg {
        width: 250px;
        height: 250px;
    }

    .themes-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .theme-title {
        font-size: 1.4rem;
    }

    .theme-list li {
        font-size: 1rem;
    }
}

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

    .title-text {
        font-size: 1.2rem;
    }

    .title-bg {
        width: 200px;
        height: 200px;
    }

    .theme-card {
        padding: 15px;
    }

    .theme-title {
        font-size: 1.3rem;
    }

    .theme-list li {
        font-size: 0.9rem;
    }
}



/* about conference */
.conference-section {
    background-color: #f5f6f5;
    padding: 0px 20px;
}

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

.content-card{
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.section-title {
    color: #2C3E50;
    font-size: 2.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #D4AF37;
}

.section-content {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* .tab-container {
    margin-top: 20px;
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    background-color: #2C3E50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.tab-btn:hover, .tab-btn.active {
    background-color: #D4AF37;
    color: #2C3E50;
}

.tab-content {
    background-color: #fff;
    border-radius: 5px;
    padding: 20px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
} */

/* .theme-list {
    margin-bottom: 20px;
}

.theme-list h3 {
    color: #2C3E50;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.theme-list ul {
    list-style: none;
}

.theme-list ul li {
    color: #555;
    font-size: 1.1rem;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.theme-list ul li::before {
    content: '❖';
    color: #D4AF37;
    position: absolute;
    left: 0;
} */

.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

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

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

@media (max-width: 768px) {
    .conference-section {
        padding: 0px 15px;
    }

    .content-card {
        padding: 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-content {
        font-size: 1rem;
    }

    .tab-btn {
        font-size: 0.9rem;
        padding: 8px 15px;
    }

    /* .theme-list h3 {
        font-size: 1.3rem;
    }

    .theme-list ul li {
        font-size: 1rem;
    } */
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.5rem;
    }

    .section-content {
        font-size: 0.9rem;
    }

    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 80%;
        margin-bottom: 10px;
    }
}


/* details column */
.details-section {
    background-color: #f5f6f5;
    padding: 60px 20px;
}

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

.main-title {
    color: #2C3E50;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.main-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #D4AF37;
}

.section-title {
    color: #2C3E50;
    font-size: 2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #D4AF37;
}

.accordion-container, .committee-container {
    margin-bottom: 40px;
}

.accordion-item {
    margin-bottom: 10px;
}

.accordion-header {
    width: 100%;
    background-color: #2C3E50;
    color: white;
    border: none;
    padding: 15px 20px;
    text-align: left;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background-color: #D4AF37;
    color: #2C3E50;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    background-color: white;
    border-radius: 0 0 5px 5px;
    padding: 0 20px;
    transition: max-height 0.3s ease;
}

.accordion-content ul {
    list-style: none;
    padding: 15px 0;
}

.accordion-content ul li {
    color: #555;
    font-size: 1.1rem;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.accordion-content ul li::before {
    content: '❖';
    color: #D4AF37;
    position: absolute;
    left: 0;
}

.committee-section {
    background: linear-gradient(to bottom, #edf0f7, #ffffff); /* Soft gradient */
    padding: 20px 20px;
    position: relative;
    overflow: hidden;
}

.committee-container {
    max-width: 1400px;
    margin: 0 auto;
}

.title-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(145, 127, 156, 0.15), transparent);
    border-radius: 50%;
    z-index: 0;
    animation: glow 5s infinite ease-in-out;
}

.title-line {
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, #516e8f, #917f9c);
    margin: 15px auto 0;
    border-radius: 2px;
}

.committee-timeline {
    position: relative;
    padding-left: 60px;
}

.committee-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #516e8f, #917f9c);
    z-index: 0;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
    margin-top: 40px;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-dot {
    position: absolute;
    left: -30px;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #917f9c;
    border-radius: 50%;
    border: 4px solid #edf0f7;
    z-index: 1;
    transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
}

.timeline-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 10px 25px rgba(81, 110, 143, 0.15);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, #516e8f, #917f9c);
    z-index: 1;
}

.timeline-item:hover .timeline-card {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(81, 110, 143, 0.25);
}

.card-title {
    color: #23252f;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-left: 20px;
}

.card-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: #917f9c;
    border-radius: 50%;
}

.card-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.member-info {
    max-height: 300px;
    overflow-y: auto;
    width: 100%;
    padding-right: 20px;
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr 1fr;
    justify-content: space-around;
}
.member-info>div{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.member-info::-webkit-scrollbar{
    width: 3px;
    background-color: white;
    overflow: auto;
}
.member-info::-webkit-scrollbar-thumb{
    width: 3px;
    background-color: black;
    cursor: pointer;
}

.member-name {
    display: block;
    color: #516e8f; /* Secondary accent */
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 10px;
}

.member-info p {
    color: #23252f;
    font-size: 1.1rem;
    line-height: 1.5;
    margin: 5px 0 15px;
}

.decor-separator {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, #917f9c, transparent);
    margin: 10px 0;
}

.card-icon {
    font-size: 2.5rem;
    color: #917f9c;
    opacity: 0.7;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.timeline-item:hover .card-icon {
    transform: scale(1.2);
    opacity: 1;
}

@keyframes glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.15; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.25; }
}

@media (max-width: 768px) {
    .committee-section {
        padding: 60px 15px;
    }


    .title-bg {
        width: 300px;
        height: 300px;
    }

    .committee-timeline {
        padding-left: 10px;
    }

    .timeline-dot {
        left: -20px;
        width: 16px;
        height: 16px;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .member-name {
        font-size: 1.2rem;
    }

    .member-info p {
        font-size: 1rem;
    }

    .card-icon {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .committee-timeline {
        padding-left: 10px;
    }


    .title-bg {
        width: 200px;
        height: 200px;
    }

    .timeline-dot {
        left: -15px;
        width: 12px;
        height: 12px;
    }

    .timeline-card {
        padding: 20px;
    }

    .card-title {
        font-size: 1.3rem;
    }

    .member-name {
        font-size: 1.1rem;
    }

    .member-info p {
        font-size: 0.9rem;
    }

    .card-icon {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .details-section {
        padding: 40px 15px;
    }

    .main-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .accordion-header, .committee-header {
        font-size: 1.1rem;
        padding: 12px 15px;
    }

    .accordion-content ul li, .committee-content p {
        font-size: 1rem;
    }

    .member-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .accordion-header, .committee-header {
        font-size: 1rem;
    }

    .accordion-content ul li, .committee-content p {
        font-size: 0.9rem;
    }

    .committee-grid {
        grid-template-columns: 1fr;
    }
    
    .member-info {
        grid-template-columns: 1fr;
    }
}




/* important dates */

.submission-section {
    background: linear-gradient(to bottom, #edf0f7, #ffffff); /* Soft gradient */
    padding: 10px 20px;
    position: relative;
    overflow: hidden;
}

.submission-container {
    max-width: 1300px;
    margin: 0 auto;
}

.title-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(145, 127, 156, 0.1), transparent);
    border-radius: 50%;
    z-index: 0;
    animation: pulse 5s infinite ease-in-out;
}

.title-line {
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #516e8f, #917f9c);
    margin: 15px auto 0;
    border-radius: 2px;
}

.submission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.submission-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(81, 110, 143, 0.1);
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(50px);
}

.submission-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.submission-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(81, 110, 143, 0.2);
}

.card-header {
    background: linear-gradient(135deg, #516e8f, #917f9c); /* Gradient header */
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 20px;
    width: 50px;
    height: 2px;
    background: white;
    opacity: 0.8;
}

.card-header h3 {
    font-size: 1.6rem;
    font-weight: 600;
}

.header-icon {
    font-size: 1.8rem;
    transition: transform 0.3s ease;
}

.submission-card:hover .header-icon {
    transform: rotate(360deg);
}

.card-body {
    padding: 20px;
    color: #23252f;
}

.card-body p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.card-body ul {
    list-style: none;
    padding-left: 20px;
}

.card-body ul li {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 10px;
    position: relative;
}

.card-body ul li::before {
    content: '➜';
    color: #917f9c; /* Accent color */
    position: absolute;
    left: -20px;
    font-size: 1.2rem;
}

.dates-list {
    padding-left: 0;
}

.dates-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed #917f9c;
}

.date-label {
    font-weight: 600;
    color: #516e8f;
}

.date-value {
    color: #23252f;
    font-weight: 500;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.2; }
}

@media (max-width: 768px) {
    .submission-section {
        padding: 10px 15px;
    }

    .title-bg {
        width: 250px;
        height: 250px;
    }

    .submission-card {
        padding: 15px;
    }

    .card-header h3 {
        font-size: 1.4rem;
    }

    .header-icon {
        font-size: 1.6rem;
    }

    .card-body p, .card-body ul li {
        font-size: 1rem;
    }
}

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


    .title-bg {
        width: 200px;
        height: 200px;
    }

    .card-header h3 {
        font-size: 1.3rem;
    }

    .header-icon {
        font-size: 1.4rem;
    }

    .card-body p, .card-body ul li {
        font-size: 0.9rem;
    }

    .dates-list li {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 0;
    }

    .date-value {
        margin-top: 5px;
    }
}




/* registration section */
.registration-section {
    background: linear-gradient(to bottom, #edf0f7, #ffffff); /* Soft gradient */
    padding: 40px 20px 40px;
    position: relative;
    overflow: hidden;
}

.registration-container {
    max-width: 1300px;
    margin: 0 auto;
}

.title-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(145, 127, 156, 0.1), transparent);
    border-radius: 50%;
    z-index: 0;
    animation: pulse 5s infinite ease-in-out;
}


.title-line {
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #516e8f, #917f9c);
    margin: 15px auto 0;
    border-radius: 2px;
}

.registration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.registration-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(81, 110, 143, 0.1);
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(50px);
}

.registration-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.registration-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(81, 110, 143, 0.2);
}

.card-header {
    background: linear-gradient(135deg, #516e8f, #917f9c); /* Gradient header */
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 20px;
    width: 40px;
    height: 2px;
    background: white;
    opacity: 0.8;
}

.card-header h3 {
    font-size: 1.6rem;
    font-weight: 600;
}

.header-icon {
    font-size: 1.8rem;
    transition: transform 0.3s ease;
}

.registration-card:hover .header-icon {
    transform: scale(1.2);
}

.card-body {
    padding: 20px;
    color: #23252f;
}

.fees-list {
    list-style: none;
    padding: 0;
}

.fees-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed #917f9c;
}

.fee-label {
    font-weight: 600;
    color: #516e8f;
}

.fee-value {
    color: #23252f;
    font-weight: 500;
}

.download-btn {
    display: inline-block;
    padding: 12px 25px;
    background: linear-gradient(135deg, #516e8f, #917f9c);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-size: 1.2rem;
    text-transform: uppercase;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(81, 110, 143, 0.4);
}

.contact-item {
    margin-bottom: 15px;
}

.contact-label {
    display: block;
    font-weight: 600;
    color: #516e8f;
    margin-bottom: 5px;
}

.contact-link {
    color: #23252f;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #917f9c;
}

.chat-btn {
    display: inline-block;
    padding: 10px 20px;
    background: #917f9c;
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 1rem;
    text-transform: uppercase;
    transition: background 0.3s ease, transform 0.3s ease;
}

.chat-btn:hover {
    background: #516e8f;
    transform: translateY(-3px);
}

.section-footer {
    text-align: center;
    margin-top: 40px;
    color: #23252f;
    font-size: 0.9rem;
}

.section-footer p {
    margin: 5px 0;
}

.powered-by {
    color: #516e8f;
    font-weight: 600;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.2; }
}

@media (max-width: 768px) {
    .registration-section {
        padding: 60px 15px 30px;
    }

    .title-bg {
        width: 250px;
        height: 250px;
    }

    .card-header h3 {
        font-size: 1.4rem;
    }

    .header-icon {
        font-size: 1.6rem;
    }

    .card-body {
        padding: 15px;
    }

    .download-btn, .chat-btn {
        font-size: 1rem;
        padding: 10px 20px;
    }

    .contact-link {
        font-size: 1rem;
    }
}

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

    .title-bg {
        width: 200px;
        height: 200px;
    }

    .card-header h3 {
        font-size: 1.3rem;
    }

    .header-icon {
        font-size: 1.4rem;
    }

    .fees-list li {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 0;
    }

    .fee-value {
        margin-top: 5px;
    }

    .download-btn, .chat-btn {
        font-size: 0.9rem;
        padding: 8px 15px;
    }

    .section-footer {
        font-size: 0.8rem;
    }
}