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

:root {
    --blue-dark: #427796;
    --violet: #5b72b6;
    --blue-light: #81d4fa;
    --bg-dark: #2c3e50;
    --text-dark: #333;
    --text-light: #fff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #f8f9fa;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--violet) 100%);
    color: var(--text-light);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.logo {
    max-width: 300px;
    height: auto;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.subtitle {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Section */
section {
    margin: 4rem 0;
}

section h2 {
    color: var(--blue-dark);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    text-align: justify;
}

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

.card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.card h3 {
    color: var(--violet);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    text-align: left;
}

/* Highlight Section */
.highlight {
    background: linear-gradient(135deg, #44a6d3  0%, var(--violet) 100%);
    color: var(--text-light);
    padding: 3rem 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 4rem 0;
}

.highlight h2 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.highlight p {
    font-size: 1.2rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 1rem;
}

.highlight a {
    color: var(--text-light);
    text-decoration: underline;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    transition: opacity 0.3s ease;
}

.highlight a:hover {
    opacity: 0.8;
}

.event-details {
    background: rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    backdrop-filter: blur(10px);
}

/* CTA Section */
.cta-section {
    background: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.cta-section h2 {
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--violet) 100%);
    color: var(--text-light);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    margin-top: 1rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

footer a {
    color: var(--blue-light);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    section h2 {
        font-size: 1.5rem;
    }
    
    .cards {
        grid-template-columns: 1fr;
    }
    
    .logo {
        max-width: 200px;
    }
}