/* Global Styles */
:root {
    --primary-color: #87CEEB;
    --secondary-color: #87CEEB;
    --accent-color: #4a90e2;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 20px 40px;
    text-align: center;
    box-shadow: var(--shadow);
}

.logo-section {
    margin-bottom: 20px;
}

.workshop-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.4em;
    font-weight: 300;
    margin-bottom: 15px;
    opacity: 0.95;
}

.event-details, .event-location {
    font-size: 1.1em;
    margin: 5px 0;
}

.conjunction {
    font-size: 1em;
    margin-top: 15px;
}

.conjunction a {
    color: white;
    text-decoration: underline;
    font-weight: 500;
}

.conjunction a:hover {
    opacity: 0.8;
}

/* Navigation Styles */
.sticky-nav {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--primary-color);
}

.sticky-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
}

.sticky-nav li {
    margin: 0;
}

.sticky-nav a {
    display: block;
    padding: 18px 20px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.sticky-nav a:hover,
.sticky-nav a.active {
    color: var(--primary-color);
    background-color: var(--light-bg);
    border-bottom-color: var(--primary-color);
}

/* Main Content Styles */
main {
    padding: 40px 20px;
}

.section {
    margin-bottom: 60px;
    scroll-margin-top: 80px;
}

.section h2 {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--accent-color);
}

.section h3 {
    font-size: 1.5em;
    color: var(--secondary-color);
    margin-top: 30px;
    margin-bottom: 15px;
}

.section p {
    margin-bottom: 15px;
    font-size: 1.05em;
    line-height: 1.7;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left: 5px solid var(--primary-color);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 5px;
    box-shadow: var(--shadow);
}

.highlight-box p {
    margin: 0;
    font-size: 1.15em;
    color: var(--secondary-color);
}

/* Info Box */
.info-box {
    background-color: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin: 20px 0;
}

.info-box h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.info-box ul {
    margin-left: 20px;
}

.info-box li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.info-box .note {
    font-style: italic;
    color: #666;
    margin-top: 15px;
}

/* Topics Grid */
.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.topic-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-color: var(--accent-color);
}

.topic-card h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.topic-card ul {
    list-style-position: inside;
    margin-left: 0;
}

.topic-card li {
    margin-bottom: 8px;
    line-height: 1.5;
}

/* Dates Section */
.dates-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.dates-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.date-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.date-label {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.95em;
}

.date-value {
    font-size: 1.15em;
    color: var(--primary-color);
    font-weight: 700;
}

/* Organizers Section */
.organizers-section h3 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 8px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.organizer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.organizer-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.organizer-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.organizer-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.organizer-card p {
    margin: 5px 0;
    font-size: 0.95em;
    color: #666;
}

/* Committee List */
.committee-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.committee-member {
    background: var(--light-bg);
    padding: 12px 15px;
    border-left: 4px solid var(--accent-color);
    border-radius: 4px;
    font-size: 0.95em;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
}

footer p {
    margin: 8px 0;
}

footer a {
    color: white;
    text-decoration: underline;
}

footer a:hover {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }
    
    .subtitle {
        font-size: 1.1em;
    }
    
    .sticky-nav ul {
        flex-direction: column;
    }
    
    .sticky-nav a {
        padding: 12px 15px;
        border-bottom: 1px solid var(--border-color);
        border-left: none;
    }
    
    .topics-grid,
    .organizer-grid,
    .dates-container,
    .committee-list {
        grid-template-columns: 1fr;
    }
    
    .section h2 {
        font-size: 1.6em;
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 15px 30px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
    
    .container {
        padding: 0 15px;
    }
    
    main {
        padding: 20px 15px;
    }
    
    .dates-section {
        padding: 20px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

a {
    color: var(--accent-color);
    transition: color 0.3s ease;
}

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

strong {
    color: var(--secondary-color);
}

/* Print Styles */
@media print {
    .sticky-nav {
        position: static;
    }
    
    .topic-card,
    .organizer-card,
    .info-box {
        break-inside: avoid;
    }
}