:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --bg-light: #F9FAFB;
    --surface-white: #FFFFFF;
    --text-dark: #111827;
    --text-muted: #6B7280;
}

body {
    background-color: var(--bg-light);
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
}

.navbar-brand {
    font-weight: 700;
}

.hero-section {
    background: linear-gradient(120deg, var(--primary-color) 0%, #7c3aed 100%);
    padding: 6rem 0;
    color: white;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

.hero-section p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 1rem auto 2rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s ease-in-out;
}

.btn-primary:hover {
    background-color: #4338ca;
    border-color: #4338ca;
}

.event-section {
    padding: 5rem 0;
}

.event-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    height: 100%;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.event-card .card-body {
    padding: 1.75rem;
}

.event-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.event-card .card-subtitle {
    color: var(--primary-color);
    font-weight: 500;
}

.event-card .card-text {
    color: var(--text-muted);
}

.price-tag {
    background-color: var(--secondary-color);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
}

.price-tag.free {
    background-color: var(--primary-color);
}


.footer {
    background-color: var(--surface-white);
    padding: 2rem 0;
    border-top: 1px solid #e5e7eb;
}