/* Base typography and container */
body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* Container max width override */
.container {
    max-width: 1200px;
}

/* Custom keyframes for fade in */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation helper */
.animate-fadeIn {
    animation: fadeIn 1s ease-out forwards;
}

/* Hero section background and overlay */
.hero-bg {
    background-image: url('https://source.unsplash.com/1600x900/?business,analytics');
    background-size: cover;
    background-position: center;
    position: relative;
    height: 80vh;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

/* Button styles */
.btn-learn-more {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease;
    background-color: #3b82f6; /* Tailwind blue-500 */
    color: #ffffff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.btn-learn-more:hover {
    background-color: #2563eb; /* Tailwind blue-600 */
}
.btn-custom {
    transition: transform 0.3s ease;
}
.btn-custom:hover {
    transform: scale(1.05);
}

/* ----- Module Base Styles (Reusable for all modules) ----- */
.module {
    padding: 1rem;
}
.module-title {
    font-size: 1.875rem; /* 30px equivalent */
    font-weight: 700;
    color: #1f2937; /* Tailwind gray-800 */
}
.module-intro {
    font-size: 1.125rem;
    color: #4b5563; /* Tailwind gray-600 */
}
.module-section {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}
.module-section-header {
    font-size: 1.5rem; /* 24px equivalent */
    font-weight: 700;
    color: #374151; /* Tailwind gray-700 */
    margin-bottom: 0.5rem;
}
.module-section-content {
    font-size: 1rem;
    color: #4b5563;
}
.module-list li {
    margin-bottom: 0.5rem;
}