/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    width: 100%;
    overflow: hidden;
    padding: 70px 0 0 0;
    /* min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden; */
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-details p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.hero-theme {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.element-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

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

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Welcome Section */
.welcome {
    background: #f8fafc;
}

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

.welcome-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #4b5563;
}

/* Keynote Section */
.keynote {
    background: white;
}

.keynote-content {
    text-align: center;
}

.keynote-status {
    font-size: 1.2rem;
    color: #6b7280;
    font-style: italic;
}

/* Themes Section */
.themes {
    background: #f8fafc;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.theme-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.theme-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.theme-header h3 {
    color: #2563eb;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e5e7eb;
}

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

.theme-topics li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
}

.theme-topics li::before {
    content: '•';
    color: #2563eb;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Important Dates Section */
.important-dates {
    background: #f8fafc;
}

.important-dates .section-header h2 {
    letter-spacing: 0.2px;
}

.important-dates > p {
    max-width: 900px;
    margin: 0 auto 1rem;
    color: #4b5563;
}

.important-dates > p:last-of-type {
    margin-top: 0.75rem;
    margin-bottom: 0;
    font-size: 0.95rem;
    color: #6b7280;
}

.dates-intro {
    text-align: center;
    color: #4b5563;
}

.dates-note {
    max-width: 900px;
    margin: 0.75rem auto 0;
    padding: 0.9rem 1rem 0.9rem 2.5rem;
    background: #fff7ed; /* amber-50 */
    border: 1px solid #fde68a; /* amber-200 */
    border-left: 6px solid #f59e0b; /* amber-500 */
    border-radius: 8px;
    color: #7c2d12; /* amber-900 */
    box-shadow: 0 6px 14px rgba(245, 158, 11, 0.12);
    position: relative;
}

.dates-note::before {
    content: '⚠️';
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
}

.dates-note strong {
    color: #92400e; /* amber-700 */
    font-weight: 700;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.date-category {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid #2563eb;
}

.date-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.date-category h3 {
    color: #2563eb;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.date-category h3::before {
    content: '📅';
    font-size: 1.2rem;
}

.date-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    border-bottom: 1px solid #f1f5f9;
    transition: all 0.3s ease;
    position: relative;
}

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

.date-item:hover {
    background: #f0f9ff;
    border-radius: 8px;
    padding: 1.25rem 1rem;
    margin: 0 -1rem;
    transform: translateX(5px);
}

.date-label {
    color: #4b5563;
    font-weight: 500;
    flex: 1;
    margin-right: 1rem;
    line-height: 1.5;
}

.date-value {
    color: white;
    font-weight: 600;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.date-value::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.date-value:hover::before {
    left: 100%;
}

.date-value:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

/* Important Dates: table variant */
.dates-table-wrapper {
    background: white;
    padding: 1.5rem 1.5rem 1.25rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-top: 3px solid #2563eb;
    overflow-x: auto;
}

.dates-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 680px;
}

.dates-table thead th {
    text-align: left;
    background: #ffffff;
    color: #1f2937;
    font-weight: 600;
    padding: 0.75rem 0.75rem;
    border-bottom: 1px solid #e5e7eb;
}

.dates-table tbody td {
    padding: 0.75rem 0.75rem;
    color: #374151;
    border-bottom: 1px solid #f3f4f6;
}

.dates-table tbody tr:nth-child(odd) {
    background: #fcfcfd;
}

.dates-table tbody tr:hover {
    background: #f8fafc;
}

.dates-table tbody td:first-child {
    font-weight: 600;
    color: #111827;
}

.dates-table tbody td:nth-child(2),
.dates-table tbody td:nth-child(3) {
    font-weight: 500;
    color: #1f2937;
}

@media (max-width: 768px) {
    .dates-table-wrapper {
        padding: 1.25rem;
        border-radius: 10px;
    }
}

/* Keep table layout on mobile; rely on horizontal scroll */

/* About Section */
.about {
    background: #f8fafc;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h3 {
    color: #1f2937;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.about-section p {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.principles {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.principles h4 {
    color: #2563eb;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.principles-list {
    list-style: none;
}

.principles-list li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
}

.principles-list li::before {
    content: '✓';
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.slogan {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin: 2rem 0;
}

.slogan h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.slogan-text {
    font-size: 1.5rem;
    font-weight: 700;
    font-style: italic;
}

/* Call for Papers Section */
.call-for-papers {
    background: white;
}

.cfp-content {
    max-width: 900px;
    margin: 0 auto;
}

.cfp-content p {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.cfp-theme {
    background: #f0f9ff;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #2563eb;
    margin: 2rem 0;
}

.cfp-theme h3 {
    color: #2563eb;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.cfp-publication {
    background: #f0fdf4;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #10b981;
    margin: 2rem 0;
}

.cfp-publication h3 {
    color: #059669;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.cfp-guidelines {
    background: #fef3c7;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #f59e0b;
    margin: 2rem 0;
}

.cfp-guidelines h3 {
    color: #d97706;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.submission-types h4 {
    color: #1f2937;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1rem 0;
}

.submission-types ol {
    padding-left: 1.5rem;
}

.submission-types li {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

/* Submissions Section */
.submissions {
    background: #f8fafc;
}

.submissions-content {
    max-width: 900px;
    margin: 0 auto;
}

.submissions-content p {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.submission-options {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

.submission-options h3 {
    color: #1f2937;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.submission-options ol {
    padding-left: 1.5rem;
}

.submission-options li {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.submission-info {
    background: #f0f9ff;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #2563eb;
    margin: 2rem 0;
}

.submission-info h3 {
    color: #2563eb;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.submission-info p {
    color: #4b5563;
    line-height: 1.8;
}

/* Submission Details Card */
.submission-details-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.detail-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #2563eb;
    transition: all 0.3s ease;
}

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

.detail-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.1);
    background: #eff6ff;
}

.detail-icon {
    font-size: 1.5rem;
    color: #2563eb;
    min-width: 30px;
    margin-top: 0.25rem;
}

.detail-content {
    flex: 1;
}

.detail-content h4 {
    color: #1e40af;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.detail-content p {
    color: #4b5563;
    line-height: 1.8;
    margin: 0;
}

.detail-content strong {
    color: #1e40af;
    font-weight: 600;
}

/* External Link Styles */
.external-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.external-link:hover {
    color: #1d4ed8;
    border-bottom-color: #1d4ed8;
}

.link-icon {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* How to Submit Section */
.how-to-submit {
    background: #fef3c7;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #f59e0b;
    margin: 2rem 0;
}

.how-to-submit h3 {
    color: #d97706;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.how-to-submit h3 i {
    font-size: 1.2rem;
}

.submit-guide-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 1rem;
}

.guide-intro {
    margin-bottom: 2rem;
}

.guide-notice {
    color: #92400e;
    font-weight: 500;
    padding: 1rem;
    background: #fffbeb;
    border-radius: 8px;
    border-left: 3px solid #f59e0b;
    margin: 0;
}

.guide-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.guide-link-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.guide-link-item:hover {
    border-color: #2563eb;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.1);
    transform: translateY(-3px);
}

.guide-link-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.guide-link-content {
    flex: 1;
}

.guide-link-content h4 {
    color: #1e40af;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.guide-link-content p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.guide-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.guide-link-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.guide-link-btn i {
    transition: transform 0.3s ease;
}

.guide-link-btn:hover i {
    transform: translateX(3px);
}

/* Committee Section */
.committee {
    background: #f8fafc;
}

.committee-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.committee-category {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid #2563eb;
}

.committee-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.committee-category h3 {
    color: #2563eb;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.committee-category h3::before {
    content: '👥';
    font-size: 1.2rem;
}

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

.committee-list li {
    padding: 1rem 0;
    color: #4b5563;
    border-bottom: 1px solid #f1f5f9;
    position: relative;
    padding-left: 2rem;
    transition: all 0.3s ease;
    line-height: 1.6;
}

.committee-list li:last-child {
    border-bottom: none;
}

.committee-list li::before {
    content: '•';
    color: #2563eb;
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: 1rem;
}

.committee-list li:hover {
    background: #f0f9ff;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin: 0 -1.5rem;
    color: #1e40af;
    transform: translateX(5px);
}

/* Contact Section */
.contact {
    background: #f8fafc;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.contact-info h3 {
    color: #1f2937;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    color: #4b5563;
    border-bottom: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item:hover {
    background: #f8fafc;
    border-radius: 8px;
    padding: 1rem;
    margin: 0 -1rem;
}

.contact-item i {
    color: #2563eb;
    font-size: 1.2rem;
    width: 20px;
    flex-shrink: 0;
}

.contact-media {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-media h3 {
    color: #1f2937;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.qr-codes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.media-partner {
    text-align: center;
    padding: 1.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.media-partner:hover {
    background: #f0f9ff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.media-partner img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.media-partner img:hover {
    transform: scale(1.05);
}

.media-partner h4 {
    color: #1f2937;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.media-partner p {
    color: #2563eb;
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f9fafb;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-details {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .dates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .date-item:hover {
        transform: translateX(0);
        padding: 1.25rem 0;
        margin: 0;
    }

    .committee-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .qr-codes {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .media-partner {
        padding: 1rem;
    }

    .media-partner img {
        width: 100px;
        height: 100px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

}

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

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .theme-card,
    .date-category,
    .about-section,
    .cfp-theme,
    .cfp-publication,
    .cfp-guidelines,
    .submission-options,
    .submission-info,
    .how-to-submit,
    .committee-category,
    .contact-info,
    .contact-media {
        padding: 1.5rem;
    }

    .submission-details-card,
    .submit-guide-card {
        padding: 1rem;
    }

    .detail-item {
        flex-direction: column;
        gap: 1rem;
        padding: 1.25rem;
    }

    .detail-icon {
        align-self: flex-start;
    }

    .guide-links {
        grid-template-columns: 1fr;
    }

    .guide-link-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .guide-link-icon {
        align-self: center;
    }

    .date-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .date-label {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }

    .date-value {
        align-self: flex-end;
    }

    .media-partner {
        padding: 1rem;
    }

    .media-partner img {
        width: 80px;
        height: 80px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}

/* Loading animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #2563eb;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1d4ed8;
}