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

:root {
    --primary-color: #2c5aa0;
    --secondary-color: #4a90e2;
    --accent-color: #f39c12;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #27ae60;
    --error-color: #e74c3c;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

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

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    background-image: url('../images/udaipur.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 90, 160, 0.5);
    z-index: 0;
}

.hero-overlay {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-details {
    margin: 2rem 0;
    font-size: 1.2rem;
}

.hero-details p {
    margin: 0.5rem 0;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #e67e22;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid white;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Content Sections */
.welcome, .content-section, .highlights, .about-preview, .important-dates, .cta {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.welcome-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
}

.welcome-content p {
    margin-bottom: 1rem;
}

/* Highlights Grid */
.highlights {
    background-color: var(--bg-light);
}

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

.highlight-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.highlight-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* About Preview */
.about-preview {
    background-color: var(--bg-light);
}

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

.about-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Venue Images Section */
.venue-section {
    padding: 60px 0;
    background-color: white;
}

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

.venue-image-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.venue-image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.venue-image-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.venue-image-caption {
    padding: 1.5rem;
    background-color: white;
    text-align: center;
}

.venue-image-caption h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.venue-image-caption p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Important Dates */
.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.date-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.date-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.date-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.date-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-color);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

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

/* Content Wrapper */
.content-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.content-wrapper h2 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-wrapper p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.content-wrapper ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-wrapper ul li {
    margin-bottom: 0.5rem;
}

/* Mission Vision Cards */
.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.mv-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.mv-card h3 {
    color: var(--primary-color);
}

/* Activities Grid */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.activity-card {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.activity-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Benefits List */
.benefits-list {
    list-style: none;
    margin-left: 0 !important;
}

.benefits-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 0.8rem;
}

.benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem;
    border-radius: 10px;
    text-align: center;
    margin: 3rem 0;
}

.cta-box h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Committee Section */
.committee-section {
    margin: 3rem 0;
}

.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.committee-member {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.committee-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.member-photo {
    margin-bottom: 1rem;
}

.photo-placeholder {
    width: 150px;
    height: 150px;
    background-color: var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--text-light);
}

.committee-member h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.designation {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.affiliation {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.contact {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Programme */
.programme-highlights {
    margin: 2rem 0;
}

.highlight-item {
    margin-bottom: 1.5rem;
}

.highlight-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.themes-list ul {
    columns: 2;
    column-gap: 2rem;
}

.schedule-info {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0;
}

.download-box {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: 10px;
    margin: 2rem 0;
}

/* Forms */
.form-container {
    max-width: 800px;
    margin: 2rem auto;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
}

.registration-form, .abstract-form, .contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-section {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
}

.form-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.3rem;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.form-group label:has(input[type="checkbox"]) {
    flex-direction: row;
    align-items: center;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.form-note {
    margin-top: 1rem;
    padding: 1rem;
    background-color: #fff3cd;
    border-left: 4px solid var(--accent-color);
    border-radius: 5px;
}

.word-count {
    text-align: right;
    color: var(--text-light);
}

/* Tables */
.fee-tables {
    margin: 2rem 0;
}

.fee-tables h3 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.fee-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.fee-table thead {
    background-color: var(--primary-color);
    color: white;
}

.fee-table th,
.fee-table td {
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.fee-table tbody tr:hover {
    background-color: var(--bg-light);
}

/* Info Boxes */
.includes-list,
.dates-box,
.note-box,
.help-box,
.info-box,
.policy-box,
.payment-info,
.guidelines,
.cme-info,
.social-events,
.review-process,
.booking-info,
.guest-house-info,
.city-info,
.attractions {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.note-box {
    background-color: #fff3cd;
    border-left: 4px solid var(--accent-color);
}

.help-box {
    background-color: #d1ecf1;
    border-left: 4px solid var(--secondary-color);
}

.info-box {
    background-color: #d4edda;
    border-left: 4px solid var(--success-color);
}

/* Hotels */
.hotels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.hotel-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.hotel-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.hotel-category {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.hotel-details p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.contact-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.department-contacts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.dept-contact {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.dept-contact h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.secretary-contact {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0;
}

.secretary-details {
    max-width: 600px;
}

.secretary-details h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.map-container {
    margin: 2rem 0;
}

.map-placeholder {
    background-color: var(--bg-light);
    padding: 4rem;
    border-radius: 10px;
    text-align: center;
    border: 2px dashed var(--border-color);
}

.social-media {
    text-align: center;
    margin: 2rem 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
}

.social-link {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    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 {
    color: white;
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Presentation Types */
.presentation-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.type-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.type-card h3 {
    color: var(--primary-color);
}

.awards-box {
    background: linear-gradient(135deg, #fff3cd 0%, #ffe8a1 100%);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

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

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

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

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

    .hero-buttons {
        flex-direction: column;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

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

    .themes-list ul {
        columns: 1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .social-links {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .page-header h1 {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        display: block;
    }
}