/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: #000000;
    padding: 30px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-c {
    width: 50px;
    height: 50px;
    border: 3px solid #4a90e2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4a90e2;
    font-size: 32px;
    font-weight: bold;
    position: relative;
}

.logo-c::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid #4a90e2;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.logo-text {
    text-align: center;
}

.logo-main {
    color: #ffffff;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 5px;
}

.logo-subtitle {
    color: #ffd700;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.logo-tagline {
    color: #ffffff;
    font-size: 14px;
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.nav-link {
    color: #ffffff;
    text-decoration: underline;
    font-size: 14px;
    font-weight: normal;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #ffd700;
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

.section-title {
    font-size: 36px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 30px;
    text-align: center;
}

/* Introduction Section */
.intro-section {
    padding: 60px 0;
}

.intro-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 40px;
}

.intro-text p {
    margin-bottom: 20px;
}

.focus-areas {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.focus-box {
    text-align: center;
    padding: 30px 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.focus-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.focus-box h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #000000;
}

.focus-box p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
}

/* Venue Section */
.venue-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

.venue-name {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 30px;
    color: #000000;
}

.venue-images {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    justify-content: center;
}

.venue-thumb {
    width: 200px;
    height: 150px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.venue-thumb:nth-child(1) {
    background-image: url('https://images.unsplash.com/photo-1511578314322-379afb476865?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
}

.venue-thumb:nth-child(2) {
    background-image: url('https://images.unsplash.com/photo-1492684223066-81342ee5ff30?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
}

.venue-thumb:nth-child(3) {
    background-image: url('https://images.unsplash.com/photo-1511578314322-379afb476865?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
}

.venue-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
}

.venue-placeholder {
    color: #ffffff;
    font-size: 14px;
    text-align: center;
    position: relative;
    z-index: 1;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.video-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.video-placeholder {
    width: 100%;
    height: 450px;
    background-color: #000000;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.play-button {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #000000;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

/* Hotel Section */
.hotel-section {
    padding: 60px 0;
}

.hotel-link {
    display: inline-block;
    color: #0066cc;
    text-decoration: underline;
    font-size: 16px;
    margin-bottom: 30px;
    font-weight: bold;
}

.hotel-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.hotel-info p {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.6;
}

.hotel-image {
    width: 100%;
    height: 300px;
    background-image: url('https://images.unsplash.com/photo-1566073771259-6a8506099945?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hotel-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.hotel-placeholder {
    color: #ffffff;
    font-size: 16px;
    text-align: center;
    position: relative;
    z-index: 1;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* Speakers Section */
.keynote-section,
.speakers-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.keynote-grid {
    grid-template-columns: repeat(3, 1fr);
}

.speaker-card {
    text-align: center;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.speaker-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 4px solid #f0f0f0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Different speaker photos from Unsplash */
/* Keynote Speakers */
.keynote-section .speaker-card:nth-of-type(1) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.keynote-section .speaker-card:nth-of-type(2) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1500648767791-00dcc994a43e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.keynote-section .speaker-card:nth-of-type(3) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1494790108377-be9c29b29330?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

/* Regular Speakers */
.speakers-section .speaker-card:nth-of-type(1) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1472099645785-5658abf4ff4e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(2) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1506794778202-cad84cf45f1d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(3) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1519085360753-af0119f7cbe7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(4) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(5) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1500648767791-00dcc994a43e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(6) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1494790108377-be9c29b29330?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(7) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1472099645785-5658abf4ff4e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(8) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1506794778202-cad84cf45f1d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.speakers-section .speaker-card:nth-of-type(9) .speaker-photo {
    background-image: url('https://images.unsplash.com/photo-1519085360753-af0119f7cbe7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.photo-placeholder {
    display: none;
}

.speaker-name {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #000000;
}

.speaker-title {
    font-size: 14px;
    color: #666666;
    line-height: 1.5;
}

.view-all-btn {
    display: block;
    margin: 40px auto 0;
    padding: 15px 40px;
    background-color: #ffd700;
    color: #000000;
    border: none;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.view-all-btn:hover {
    background-color: #ffed4e;
}

/* Sponsors Section */
.sponsors-section {
    padding: 60px 0;
}

.sponsor-tier {
    margin-bottom: 50px;
}

.sponsor-tier.diamond {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.sponsor-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 24px;
    font-weight: bold;
    color: #000000;
}

.sponsor-item {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.sponsor-logo-text {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #000000;
}

.sponsor-description {
    font-size: 14px;
    line-height: 1.6;
    color: #666666;
}

.media-partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.media-logo {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    color: #000000;
    border: 1px solid #e0e0e0;
}

/* Board Section */
.board-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

.board-info {
    text-align: center;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
}

.board-info p {
    margin-bottom: 15px;
}

.learn-more-btn {
    display: block;
    margin: 0 auto;
    padding: 15px 40px;
    background-color: #ffd700;
    color: #000000;
    border: none;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.learn-more-btn:hover {
    background-color: #ffed4e;
}

/* Tickets Section */
.tickets-section {
    padding: 60px 0;
}

.tickets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.ticket-card {
    background-color: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ticket-price {
    font-size: 48px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 15px;
}

.ticket-type {
    font-size: 18px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.ticket-status {
    font-size: 16px;
    font-weight: bold;
    padding: 10px;
    border-radius: 4px;
}

.ticket-status.sold-out {
    color: #ff0000;
    background-color: #ffe0e0;
}

.buy-btn {
    width: 100%;
    padding: 15px;
    background-color: #8b00ff;
    color: #ffffff;
    border: none;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.buy-btn:hover {
    background-color: #7a00e0;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #6a1b9a, #9c27b0, #e91e63);
    padding: 60px 0;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    pointer-events: none;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-title {
    color: #ffffff;
    font-size: 32px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.footer-copyright {
    color: #ffffff;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .focus-areas {
        grid-template-columns: 1fr;
    }
    
    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .keynote-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tickets-grid {
        grid-template-columns: 1fr;
    }
    
    .hotel-details {
        grid-template-columns: 1fr;
    }
    
    .media-partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .main-nav {
        gap: 15px;
    }
}

@media (max-width: 600px) {
    .section-title {
        font-size: 28px;
    }
    
    .speakers-grid,
    .keynote-grid {
        grid-template-columns: 1fr;
    }
    
    .media-partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .logo-section {
        flex-direction: column;
    }
    
    .main-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .venue-images {
        flex-direction: column;
        align-items: center;
    }
    
    .venue-thumb {
        width: 100%;
        max-width: 300px;
    }
}
