/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: #ffffff;
    line-height: 1.6;
    background: #000000;
    overflow-x: hidden;
    position: relative;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Space Background Effects */
#space {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
}

.star {
    position: absolute;
    background-color: #ffffff;
    border-radius: 50%;
    animation: twinkle linear infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}

.black-hole {
    position: fixed;
    bottom: -300px;
    right: -300px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle at center, #000000 0%, #000000 40%, #1a0033 70%, #330066 100%);
    box-shadow: 0 0 100px rgba(75, 0, 130, 0.7);
    z-index: -2;
    animation: rotate 120s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.galaxy {
    position: fixed;
    top: -200px;
    left: -200px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle at center, transparent 30%, rgba(50, 0, 100, 0.3) 70%, rgba(25, 0, 50, 0.5) 100%);
    filter: blur(5px);
    z-index: -2;
    animation: pulse 20s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.shooting-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.shooting-star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: linear-gradient(90deg, #ffffff, transparent);
    border-radius: 50%;
    animation: shoot linear;
}

@keyframes shoot {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    1% { opacity: 1; }
    100% { transform: translateX(100vw) translateY(100vh); opacity: 0; }
}

.universe-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.planet {
    position: absolute;
    top: 20%;
    right: 15%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #4b0082, #000033);
    box-shadow: 0 0 50px rgba(75, 0, 130, 0.7);
    animation: float 15s ease-in-out infinite;
}

.comet {
    position: absolute;
    top: 10%;
    left: -100px;
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #00ccff, transparent);
    animation: comet 20s linear infinite;
}

.astronaut {
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 50px;
    height: 70px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="30" r="20" fill="%23ffffff"/><rect x="40" y="50" width="20" height="40" fill="%23ffffff"/><rect x="30" y="60" width="10" height="20" fill="%23ffffff"/><rect x="60" y="60" width="10" height="20" fill="%23ffffff"/></svg>') center/contain no-repeat;
    animation: float-astronaut 25s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

@keyframes comet {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    10% { opacity: 1; }
    100% { transform: translateX(100vw) translateY(500px); opacity: 0; }
}

@keyframes float-astronaut {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-40px) translateX(20px); }
    50% { transform: translateY(0) translateX(40px); }
    75% { transform: translateY(40px) translateX(20px); }
}

/* Header Styles */
header {
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(75, 0, 130, 0.5);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(75, 0, 130, 0.3);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}
.iucaa-logo, .gla-logo {
    height: 70px;
    /* Remove the filter property or change it to: */
    filter: none;
}


.header-text {
    display: flex;
    flex-direction: column;
}

.header-text h1 {
    font-size: 20px;
    margin-bottom: 5px;
    color: #ffffff;
    font-weight: 600;
}

.header-text p {
    font-size: 14px;
    opacity: 0.9;
}

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

.header-date p {
    font-size: 16px;
    font-weight: bold;
    color: #9370db;
}

/* Navigation */
nav {
    background-color: rgba(10, 0, 20, 0.9);
    padding: 10px 0;
    position: sticky;
    top: 111px;
    z-index: 99;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-menu li {
    margin: 0 15px;
}

.nav-menu a {
    color: #d8bfd8;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    background-color: rgba(75, 0, 130, 0.2);
    color: #9370db;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9));
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #d8bfd8;
}

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

.btn {
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background-color: #9370db;
    color: white;
    border: 2px solid #9370db;
}

.btn-primary:hover {
    background-color: transparent;
    color: #9370db;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(147, 112, 219, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #d8bfd8;
    border: 2px solid #d8bfd8;
}

.btn-secondary:hover {
    background-color: #d8bfd8;
    color: #000;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(216, 191, 216, 0.3);
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}

section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.8rem;
    color: #ffffff;
    position: relative;
    font-weight: 600;
}

section h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #9370db, #d8bfd8);
    margin: 15px auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: rgba(0, 0, 0, 0.8);
}

.about p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: #d8bfd8;
}

.highlights {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.highlight-card {
    background: rgba(10, 0, 20, 0.6);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    width: 250px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(147, 112, 219, 0.3);
}

.highlight-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 10px 30px rgba(147, 112, 219, 0.3);
}

.highlight-card i {
    font-size: 3rem;
    color: #9370db;
    margin-bottom: 15px;
}

.highlight-card h3 {
    margin-bottom: 10px;
    color: #ffffff;
}

.highlight-card p {
    color: #d8bfd8;
}

/* GLA University Section */
.gla-info {
    background: rgba(0, 0, 0, 0.7);
}

.gla-content {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}

.gla-text {
    flex: 1;
    min-width: 300px;
}

.gla-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #d8bfd8;
    text-align: left;
}

.gla-image {
    flex: 1;
    min-width: 300px;
}

.image-placeholder {
    background: rgba(10, 0, 20, 0.6);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(147, 112, 219, 0.3);
    height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.image-placeholder i {
    font-size: 4rem;
    color: #9370db;
    margin-bottom: 20px;
}

.image-placeholder p {
    color: #d8bfd8;
}

/* Speakers Section */
.speakers {
    background: rgba(0, 0, 0, 0.8);
}

.speakers-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.speaker-card {
    background: rgba(10, 0, 20, 0.6);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    width: 220px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(147, 112, 219, 0.3);
}

.speaker-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 10px 30px rgba(147, 112, 219, 0.3);
}

.speaker-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px;
    border: 3px solid #9370db;
}

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

.speaker-card h3 {
    margin-bottom: 5px;
    color: #ffffff;
}

.speaker-card p {
    color: #d8bfd8;
}

/* Topics Section */
.topics {
    background: rgba(0, 0, 0, 0.7);
}

.topics-list {
    max-width: 800px;
    margin: 0 auto;
}

.topic-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    background: rgba(10, 0, 20, 0.6);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(147, 112, 219, 0.3);
    transition: transform 0.3s ease;
}

.topic-item:hover {
    transform: translateX(10px);
}

.topic-item i {
    font-size: 2rem;
    color: #9370db;
    margin-right: 20px;
    flex-shrink: 0;
}

.topic-content h3 {
    margin-bottom: 10px;
    color: #ffffff;
}

.topic-content p {
    color: #d8bfd8;
}

/* Registration Section */
.registration {
    background: rgba(0, 0, 0, 0.8);
}

.registration-info {
    background: rgba(10, 0, 20, 0.6);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(147, 112, 219, 0.3);
}

.registration-details h3 {
    color: #ffffff;
    margin-bottom: 20px;
}

.registration-details p {
    margin-bottom: 15px;
    color: #d8bfd8;
}

.travel-table {
    margin: 25px 0;
    width: 100%;
    border-collapse: collapse;
}

.travel-row {
    display: flex;
    border-bottom: 1px solid rgba(147, 112, 219, 0.3);
}

.travel-row.header {
    font-weight: bold;
    background: rgba(147, 112, 219, 0.1);
}

.travel-cell {
    flex: 1;
    padding: 12px;
    text-align: left;
    color: #d8bfd8;
}

.travel-row.header .travel-cell {
    color: #ffffff;
}

/* Committee Section */
.committee {
    background: rgba(0, 0, 0, 0.7);
}

.coordinators {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.coordinator-card {
    background: rgba(10, 0, 20, 0.6);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    width: 280px;
    border: 1px solid rgba(147, 112, 219, 0.3);
}

.coordinator-card h3 {
    color: #ffffff;
    margin-bottom: 10px;
}

.coordinator-card p {
    color: #d8bfd8;
}

.committee-list {
    list-style: none;
    max-width: 500px;
    margin: 0 auto;
}

.committee-list li {
    padding: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    padding-left: 30px;
    color: #d8bfd8;
}

.committee-list li:before {
    content: '•';
    color: #9370db;
    font-size: 20px;
    position: absolute;
    left: 0;
    top: 5px;
}

/* Contact Section */
.contact {
    background: rgba(0, 0, 0, 0.7);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    background: rgba(10, 0, 20, 0.6);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    width: 280px;
    border: 1px solid rgba(147, 112, 219, 0.3);
}

.contact-item i {
    font-size: 2.5rem;
    color: #9370db;
    margin-bottom: 15px;
}

.contact-item h3 {
    color: #ffffff;
    margin-bottom: 10px;
}

.contact-item p, .contact-item a {
    color: #d8bfd8;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
    color: #9370db;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 40px 0 20px;
    border-top: 1px solid rgba(147, 112, 219, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}
.footer-logo img {
    height: 50px;
    filter: none;
}


.footer-links h4 {
    color: #ffffff;
    margin-bottom: 10px;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #d8bfd8;
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
    color: #9370db;
}

.footer-info {
    text-align: center;
    width: 100%;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info a {
    color: #9370db;
    text-decoration: none;
}

.footer-info a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 992px) {
    .header-top {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-container {
        margin-bottom: 15px;
        justify-content: center;
    }
    
    .header-date {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .travel-row {
        flex-direction: column;
    }
    
    .travel-cell {
        padding: 8px;
    }
    
    .gla-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 70px 0;
    }
    
    section h2 {
        font-size: 2.2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .planet, .astronaut {
        display: none;
    }
}

@media (max-width: 480px) {
    .iucaa-logo, .gla-logo {
        height: 50px;
    }
    
    .header-text h1 {
        font-size: 18px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    section h2 {
        font-size: 1.8rem;
    }
    
    .highlight-card, .speaker-card {
        width: 100%;
    }
}
.committee-subheading {
    text-align: center;
    margin: 40px 0 20px;
    font-size: 1.8rem;
    color: #faf9fb;
    position: relative;
    font-weight: 600;
}

.committee-subheading::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #9370db, #d8bfd8);
    margin: 15px auto;
    border-radius: 2px;
}