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

.header {
    background-color: #ffffff;
    border-bottom: 2px solid #e6e6e6;
}

.top-bar {
    display: flex;
    align-items: center;
    padding: 10px 40px;
}

.logo {
    height: 70px;
}

.navbar {
    background-color: #23587b; 
}

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

.nav-links li {
    position: relative;
}

.nav-links a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
}
.navbar {
    background: #003366;
}

.nav-links {
    list-style: none;
    display: flex;
    padding: 0;
    margin: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
}

.nav-links a:hover {
    background: #0055aa;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    min-width: 220px;
    list-style: none;
    padding: 0;
    margin: 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 1000;
}

.dropdown-menu li a {
    color: #333;
    padding: 12px 16px;
}

.dropdown-menu li a:hover {
    background: #f0f0f0;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.nav-links a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #ffffff;
    left: 50%;
    bottom: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover::after {
    width: 70%;
    left: 15%;
}

.hero {
    position: relative;
    width: 100%;
    height: 400px;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(70%);
}

.hero-text {
    position: absolute;
    top: -11%;
    left: 18%;
    transform: translate(-50%, 70%);
    color: #ffffff;
    text-align: center;
}

.hero-text2 {
    position: absolute;
    top: -10%;
    right: -8%;
    transform: translate(-50%, 70%);
    color: #ffffff;
    text-align: center;
}
.hero-text3 {
    position: absolute;
    top: 70%;
    right: 50%;
    transform: translate(50%, 70%);
    color: #ffffff;
    text-align: center;
    background: rgba(39, 37, 37, 0.3); 
    backdrop-filter: blur(5px);      
    -webkit-backdrop-filter: blur(5px);
    padding: 10px 20px;
    border-radius: 10px;
}
.hero-text3 p {
    font-weight: bold;         
    display: inline-block;     
    border-bottom: 3px solid green;
    font-size:larger;
}
.hero-text h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.hero-text p {
    font-size: 18px;
}
#schedule {
    padding: 50px 40px;
    background-color: #f7f9fc;
    text-align: center;
    
}

#schedule h2 {
    font-size: 28px;
    color: #1b1d1f;
    margin-bottom: 30px;
}

.schedule-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
}

.cal {
    width: 220px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-style: italic;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cal img {
    width: 60px;
    margin-bottom: 15px;
}

.cal h4 {
    font-size: 16px;
    color: #0b3c5d;
    margin-bottom: 8px;
}

.cal p {
    font-size: 14px;
    color: #333;
}
#about {
    padding: 60px 80px;
    background-color: #ffffff;
}

#about h2 {
    /* text-align: center; */
    font-size: 28px;
    color: #0b3c5d;
    margin-bottom: 30px;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    text-align: justify;
}

.about-content p {
    margin-bottom: 20px;
}
#call-paper {
    padding: 60px 60px;
    background-color: #f7f9fc;
}

#call-paper h2 {
    text-align: center;
    font-size: 28px;
    color: #0b3c5d;
    margin-bottom: 40px;
}

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

.track-card {
    width: 450px;
    padding: 25px;
    background-color: #ffffff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    text-align: center;
}
#track{
    text-align: left;
}
#publication {
    margin-top: 40px;
}

.track-card h3 {
    font-size: 20px;
    color: #0b3c5d;
    margin-bottom: 12px;
}

.track-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #333;
}
#paper-submission {
    padding: 60px 80px;
    color: #000;
}

#paper-submission h2 {
    font-size: 30px;
    color: #000;
    margin-bottom: 25px;
}

#paper-submission p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 18px;
    text-align: justify;
}
#committee {
    padding: 60px 0px;
}

#committee h2 {
    font-size: 32px;
    font-weight: bold;
    color: #000;
    margin-bottom: 30px;
    text-align: left;
    margin-left: 20px;
}

.committee-box {
    width: 520px;
    padding: 45px;
    background-color: #e5ecef;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
    margin-left: 40px;
}

.committee-box img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 15px;
}
.committee-row{
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
    
}
.committee-box h4 {
    font-size: 16px;
    color: #000;
}
#speakers {
    padding: 60px 80px;
}

#speakers h2 {
    font-size: 26px;
    font-weight: bold;
    color: #000;
    margin-bottom: 30px;
}

.speaker-container {
    display: flex;
    gap: 40px;
}

.speaker-box {
    width: 220px;
    padding: 25px;
    background-color: #e5ecef;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.speaker-box img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
}

.speaker-box h4 {
    font-size: 16px;
    color: #000;
    margin-bottom: 5px;
}

.speaker-box p {
    font-size: 14px;
    color: #000;
}
#special-session {
    padding: 60px 80px;
}

#special-session h2 {
    font-size: 26px;
    font-weight: bold;
    color: #000;
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: left;
}

#special-session p {
    font-size: 16px;
    line-height: 1.7;
    color: #000;
    text-align: justify;
}
.footer {
    margin-top: 40px;
    padding: 15px 0;
    text-align: center;
    font-size: 13px;
}

.footer a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: #2563eb;
    text-decoration: underline;
}
#contact-committee {
    padding: 60px 0;
}

#contact-committee h2 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 30px;
    margin-left: 50px;
}

.contact-box {
    background-color: #e5ecef;
    padding: 25px 30px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 500px;
    margin-left: 50px;
}
.contact-row {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
}
.contact-box h4 {
    margin: 0 0 8px 0;
    font-size: 18px;
    color: #000;
}

.contact-box a {
    color: #0055aa;
    text-decoration: none;
    font-size: 16px;
}

.contact-box a:hover {
    text-decoration: underline;
}
#registration {
    padding: 10px 80px;
}

#registration h2 {
    font-size: 28px;
    font-weight: bold;
    color: #000;
    margin-bottom: 25px;
    text-align: left;
}

.reg-table {
    width: 100%;
    max-width: 900px;
    border-collapse: collapse;
    font-size: 16px;
    background-color: #fff;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}
.reg-flex {
    display: flex;
    align-items: flex-start;
    gap: 40px;                         
    justify-content: center;
    flex-wrap: nowrap;
}
.reg-table th,
.reg-table td {
    padding: 14px 18px;
    border: 1px solid #ddd;
    text-align: center;
}

.reg-table th {
    background-color: #0b3c5d;
    color: #fff;
    font-weight: bold;
}

.reg-table tr:nth-child(even) {
    background-color: #f4f7fb;
}

.reg-table tr:hover {
    background-color: #e9f0f7;
}
.reg-link {
    margin-top: 10px;
    font-size: 18px;
    color: #000;
    margin-left: 70px;
}

.reg-link a {
    color: #0b3c5d;
    font-weight: bold;
    text-decoration: none;
    margin-left: 5px;
}
.reg-link1 a {
    color: #0b3c5d;
    font-weight: bold;
    text-decoration: none;
}
.reg-link a:hover {
    text-decoration: underline;
}
.reg-container {
  display: flex;
  align-items: center; 
  gap: 20px;           
  margin-top: 20px;
}

.qr-image {
  width: 100px;        
  height: 100px;      
  object-fit: cover;   
  border-radius: 8px;  
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.qr-image1 {
    width: 300px;                
    height: 250px;
    object-fit: cover;            
    border-radius: 12px;           
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}
.template-link a {
    color: #0b3c5d;
    font-weight: bold;
    text-decoration: none;
}

.template-link a:hover {
    text-decoration: underline;
}
.template-link {
    margin-left: 140px;
    display: inline-block;
}
.countdown-wrapper {
  justify-content: right;
  text-align: center;
  font-family: system-ui, sans-serif;
}

.title {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.time-box {
  background: #ffffff;
  color: #0f172a;
  padding: 12px 14px;
  border-radius: 8px;
  min-width: 100px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.time-box span {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}

.time-box small {
  font-size: 0.75rem;
  color: #475569;
  margin-top: 4px;
  display: block;
}
#map {
  border-radius: 12px;
  overflow: hidden; 
  width: 600px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}
.schedule-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    /* background: linear-gradient(135deg, #8197ac, #0055aa); */
    padding: 40px;
}

.schedule-box {
    background: white;
    padding: 40px 60px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    max-width: 600px;
    width: 100%;
}

.schedule-box h2 {
    font-size: 28px;
    color: #003366;
    margin-bottom: 10px;
}

.schedule-box p {
    color: #555;
    margin-bottom: 25px;
    font-size: 16px;
}

.schedule-placeholder .line {
    height: 12px;
    background: #e0e0e0;
    border-radius: 6px;
    margin-bottom: 10px;
    animation: shimmer 1.5s infinite linear;
}

.schedule-placeholder .short {
    width: 60%;
}

@keyframes shimmer {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

.badge {
    display: inline-block;
    margin-top: 15px;
    padding: 6px 16px;
    background: #003366;
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
}