/* Global Styles */
:root {
    --primary-color: #1a4d7a;
    --secondary-color: #4a90c8;
    --accent-color: #2c5f8d;
    --dark-bg: #0f2942;
    --light-bg: #f5f8fa;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --white: #ffffff;
    --border-color: #dee2e6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
}

main {
    flex: 1;
}

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

/* Header Styles */
.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-section {
    flex: 1;
    min-width: 250px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--white);
}

.logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color), #5ba3d9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo-icon {
    font-size: 24px;
    font-weight: bold;
    color: var(--white);
    letter-spacing: 1px;
}

.site-title h1 {
    font-size: 28px;
    margin: 0;
    color: var(--white);
    font-weight: 700;
}

.tagline {
    font-size: 13px;
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
}

.main-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.main-nav a.active {
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle .hamburger {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-exclusive {
    font-size: 16px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.85);
    font-style: italic;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border-left: 4px solid rgba(255, 255, 255, 0.5);
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detail-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-value {
    font-size: 20px;
    font-weight: 600;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #3a7fb8;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 144, 200, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-secondary-alt {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary-alt:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Sections */
.section-light {
    background-color: var(--white);
    padding: 60px 0;
}

.section-dark {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
    color: var(--white);
    padding: 60px 0;
}

.section-white {
    background-color: var(--light-bg);
    padding: 60px 0;
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    padding: 60px 0 40px;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-weight: 700;
}

.section-dark h2,
.page-header h2 {
    color: var(--white);
}

h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 600;
}

.section-dark h3 {
    color: var(--white);
}

.lead {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Features List - Row Layout */
.features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.feature-row {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 25px;
    border-left: 4px solid var(--secondary-color);
    background: var(--white);
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-row:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.feature-icon-large {
    font-size: 42px;
    flex-shrink: 0;
    width: 60px;
    text-align: center;
}

.feature-content {
    flex: 1;
}

.feature-content h3 {
    margin: 0 0 10px 0;
    color: var(--primary-color);
    font-size: 20px;
}

.feature-content p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

/* Host Section */
.host-section {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.host-logo {
    flex-shrink: 0;
}

.company-badge {
    width: 120px;
    height: 120px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: bold;
    color: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.company-logo-img {
    max-width: 250px;
    height: auto;
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.host-info {
    flex: 1;
    min-width: 300px;
}

.host-info h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.host-info p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* Sponsors */
.sponsors-showcase {
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.sponsor-card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.sponsor-logo-large {
    margin: 30px 0;
    padding: 40px;
    background: linear-gradient(135deg, var(--light-bg), var(--white));
    border-radius: 10px;
}

.sponsor-name {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.sponsors-cta {
    margin-top: 30px;
    font-style: italic;
    color: var(--text-light);
}

/* Sponsor Details Page */
.sponsor-tier {
    margin: 40px 0;
}

.tier-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 32px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tier-title.platinum {
    color: #b87333;
}

.sponsor-details-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    max-width: 900px;
}

.host-card {
    border: 3px solid var(--secondary-color);
}

.platinum-card {
    border: 3px solid #b87333;
}

.sponsor-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.sponsor-logo-placeholder {
    flex-shrink: 0;
}

.logo-badge {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo-badge.large {
    width: 130px;
    height: 130px;
    font-size: 36px;
}

.sponsor-logo-img {
    max-width: 200px;
    height: auto;
    background: var(--white);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.sponsor-title h3 {
    margin-bottom: 5px;
}

.sponsor-tagline {
    color: var(--text-light);
    font-style: italic;
}

.sponsor-description p {
    margin-bottom: 20px;
    line-height: 1.7;
    color: var(--text-dark);
}

.sponsor-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.highlight-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.highlight-item strong {
    color: var(--primary-color);
    font-size: 14px;
}

/* Sponsorship Opportunities */
.sponsorship-opportunities {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.sponsorship-tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.tier-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tier-card:hover {
    transform: translateY(-5px);
}

.tier-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.tier-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 20px 0;
}

.tier-benefits {
    list-style: none;
    text-align: left;
    padding: 0;
}

.tier-benefits li {
    padding: 8px 0;
    color: var(--text-dark);
    position: relative;
    padding-left: 25px;
}

.tier-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.sponsorship-cta {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
}

.sponsorship-cta p {
    margin: 10px 0;
}

/* About Page */
.content-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.main-content h2 {
    margin-top: 30px;
}

.main-content h2:first-child {
    margin-top: 0;
}

.objectives-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.objective-item {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
}

/* Agenda Styles */
.agenda-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.agenda-day {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.agenda-day-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 25px;
    text-align: center;
}

.agenda-day-header h3 {
    margin: 0 0 8px 0;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.agenda-date {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--white);
}

.agenda-items {
    padding: 25px;
}

.agenda-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.agenda-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.agenda-item:first-child {
    padding-top: 0;
}

.agenda-time {
    flex-shrink: 0;
    width: 100px;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.agenda-content h4 {
    margin: 0 0 8px 0;
    font-size: 18px;
    color: var(--text-dark);
}

.agenda-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.5;
}

/* Venue Styles */
.venue-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    margin-top: 30px;
}

.venue-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 30px;
    text-align: center;
}

.venue-header h3 {
    margin: 0 0 8px 0;
    font-size: 26px;
    font-weight: 700;
    color: var(--white);
}

.venue-status {
    margin: 0;
    font-size: 14px;
    opacity: 0.85;
    font-style: italic;
    color: var(--white);
}

.venue-content {
    padding: 30px;
}

.venue-content > p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 25px;
}

.venue-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.venue-highlight-item {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
}

.venue-highlight-item strong {
    display: block;
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.venue-highlight-item p {
    margin: 0;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.4;
}

.venue-note {
    font-style: italic;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 25px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 6px;
    border-left: 3px solid var(--secondary-color);
}

.objective-item h3 {
    margin-bottom: 10px;
}

.objective-item p {
    color: var(--text-light);
    line-height: 1.6;
}

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

.audience-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.audience-list strong {
    color: var(--primary-color);
}

.sidebar-content {
    position: sticky;
    top: 120px;
    align-self: start;
}

.info-box {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.info-box h3 {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-color);
}

.info-item {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.info-item strong {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 5px;
}

.quick-links {
    list-style: none;
    padding: 0;
}

.quick-links li {
    margin: 10px 0;
}

.quick-links a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.quick-links a:hover {
    color: var(--primary-color);
}

/* Registration Page */
.registration-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-top: 40px;
}

.registration-info h2 {
    margin-bottom: 20px;
}

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

.benefits-list li {
    padding: 12px 0 12px 30px;
    position: relative;
    color: var(--text-dark);
}

.benefits-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 20px;
}

.event-details-box {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    margin: 30px 0;
}

.event-details-box h3 {
    margin-bottom: 20px;
}

.detail-row {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-icon {
    font-size: 24px;
}

.detail-row div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detail-row strong {
    color: var(--primary-color);
}

.detail-sub {
    font-size: 14px;
    color: var(--text-light);
}

.pricing-section {
    margin: 30px 0;
}

.pricing-section h3 {
    margin-bottom: 20px;
}

.price-table {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.price-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.price-row:last-child {
    border-bottom: none;
}

.price-row.highlight {
    background: linear-gradient(135deg, rgba(74, 144, 200, 0.1), rgba(74, 144, 200, 0.05));
    font-weight: 600;
}

.price-label {
    color: var(--text-dark);
}

.price-value {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 20px;
}

.pricing-note {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 15px;
    font-style: italic;
}

/* Forms */
.form-card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-card h2 {
    margin-bottom: 15px;
}

.form-card > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-section {
    margin-top: 25px;
}

.form-section:first-child {
    margin-top: 0;
}

.form-section h3 {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
    color: var(--primary-color);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 200, 0.1);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.radio-group label:hover {
    background-color: var(--light-bg);
}

.radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.form-actions {
    margin-top: 20px;
}

.form-note {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 15px;
    font-style: italic;
}

.help-box {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    margin-top: 20px;
}

.help-box h3 {
    margin-bottom: 15px;
}

.help-box p {
    margin: 8px 0;
    color: var(--text-dark);
}

/* CTA Sections */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: 30px;
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 15px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-layout,
    .registration-layout {
        grid-template-columns: 1fr;
    }

    .sidebar-content {
        position: static;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
        width: 100%;
    }

    .header-content {
        justify-content: space-between;
        padding: 0.75rem 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        max-width: 80vw;
        height: 100vh;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
        flex-direction: column;
        gap: 0;
        padding: 80px 20px 20px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    .main-nav.mobile-open {
        right: 0;
    }

    /* Add overlay when menu is open */
    .main-nav.mobile-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }

    .main-nav a {
        width: 100%;
        padding: 15px 20px;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        text-align: left;
        font-size: 18px;
    }

    .main-nav a:hover {
        background-color: rgba(255, 255, 255, 0.2);
    }

    .logo-section {
        flex: 1;
        min-width: 0;
    }

    .site-title h1 {
        font-size: 20px;
    }

    .tagline {
        font-size: 11px;
    }

    .logo {
        width: 50px;
        height: 50px;
    }

    .logo-icon {
        font-size: 20px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-light,
    .section-dark,
    .section-white {
        padding: 40px 0;
    }

    h2 {
        font-size: 28px;
    }

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

    .sponsor-header {
        flex-direction: column;
        text-align: center;
    }

    .sponsorship-tiers-grid {
        grid-template-columns: 1fr;
    }

    .host-section {
        flex-direction: column;
        text-align: center;
    }

    .form-card {
        padding: 25px 20px;
    }

    .agenda-grid,
    .objectives-list {
        grid-template-columns: 1fr;
    }

    .venue-highlights {
        grid-template-columns: 1fr;
    }
}

/* Blazor Error Boundary */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

/* Form Validation */
.valid.modified:not([type=checkbox]) {
    border-color: #26b050;
}

.invalid {
    border-color: #e50000;
}

.validation-message {
    color: #e50000;
}

.validation-summary {
    background: #fee;
    border: 1px solid #e50000;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    color: #c00;
}

.validation-summary ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.validation-summary li {
    padding: 8px 0;
    line-height: 1.5;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 6px;
}

.alert-danger {
    background: #fee;
    border: 1px solid #e50000;
    color: #c00;
}

/* Confirmation Page */
.confirmation-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.confirmation-card,
.next-steps-card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.confirmation-number {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    margin: 30px 0;
    border: 2px solid var(--secondary-color);
}

.conf-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 10px;
    font-family: monospace;
    letter-spacing: 2px;
}

.confirmation-note {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
}

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

.detail-section {
    padding: 20px;
    background: var(--light-bg);
    border-radius: 8px;
}

.detail-section h3 {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
    color: var(--primary-color);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}

.detail-item .label {
    font-weight: 600;
    color: var(--text-dark);
}

.detail-item .value {
    color: var(--text-light);
    text-align: right;
}

.next-steps-card {
    align-self: start;
    position: sticky;
    top: 120px;
}

.next-steps-list {
    list-style: none;
    counter-reset: step-counter;
    padding: 0;
    margin: 30px 0;
}

.next-steps-list li {
    counter-increment: step-counter;
    margin-bottom: 25px;
    padding-left: 50px;
    position: relative;
}

.next-steps-list li:before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 35px;
    height: 35px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.next-steps-list li strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.next-steps-list li p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

.contact-box {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    margin-top: 30px;
}

.contact-box h3 {
    margin-bottom: 15px;
}

.contact-box p {
    margin: 8px 0;
    color: var(--text-dark);
}

@media (max-width: 1024px) {
    .confirmation-layout {
        grid-template-columns: 1fr;
    }

    .next-steps-card {
        position: static;
    }

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

@media print {
    .site-header,
    .site-footer,
    .btn,
    button {
        display: none !important;
    }

    .confirmation-layout {
        grid-template-columns: 1fr;
    }
}