/* CSS Variables - Consistent Design System */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #25D366;
    --background-light: #f8f9fa;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-dark);
    background-color: white;
}

h1,
h2,
h3,
h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

section {
    padding: var(--spacing-lg) 0;
}

.bg-light {
    background-color: var(--background-light);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
    font-family: 'Poppins', sans-serif;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 211, 102, 0.25);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Hero Section */
.hero {
    text-align: center;
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero h1 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.highlights {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.highlight-item {
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    min-width: 180px;
}

.highlight-icon {
    color: var(--primary-color);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

/* Course Overview */
.overview {
    text-align: center;
}

.overview p {
    max-width: 900px;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.1rem;
}

/* What You Will Learn */
.learning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.learning-item {
    background: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
}

.learning-icon {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    font-weight: bold;
    flex-shrink: 0;
}

/* Curriculum Modules */
.curriculum-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.module-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: 100%;
}

.module-number {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Tools & Technologies */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.tool-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
}

.tool-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* Who Should Join */
.audience-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.audience-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.audience-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* Career Opportunities */
.career-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.career-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border-top: 4px solid var(--primary-color);
}

.industry-list {
    margin-top: var(--spacing-md);
}

.industry-list li {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: flex-start;
}

/* Placement Support */
.placement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.support-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: flex-start;
}

.support-icon {
    color: var(--success-color);
    margin-right: var(--spacing-sm);
    font-weight: bold;
    flex-shrink: 0;
}

/* Final CTA */
.final-cta {
    text-align: center;
}

.final-cta h2 {
    margin-bottom: var(--spacing-sm);
}

.final-cta p {
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    section {
        padding: var(--spacing-md) 0;
    }

    .highlights {
        flex-direction: column;
        align-items: center;
    }

    .highlight-item {
        width: 100%;
        max-width: 300px;
    }

    .learning-grid,
    .curriculum-container,
    .tools-grid,
    .audience-container,
    .career-grid,
    .placement-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .learning-grid,
    .curriculum-container,
    .tools-grid,
    .audience-container,
    .career-grid,
    .placement-grid {
        grid-template-columns: 1fr;
    }
}

/* List Styles */
ul {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-muted);
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    list-style: none;
    padding: 0;
}

.tech-list li {
    background: var(--background-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
}