/* Custom CSS for DevOps Tutorials */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding-top: 76px;
}

/* Navigation */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
}

.dropdown-header {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.875rem;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--light-color);
    transform: translateX(5px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-buttons .btn {
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    animation: float 6s ease-in-out infinite;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features-section {
    padding: 5rem 0;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

/* Categories Section */
.categories-section {
    padding: 5rem 0;
}

.category-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    height: 100%;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.category-card ul li {
    margin-bottom: 0.5rem;
}

.category-card ul li a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.category-card ul li a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
}

/* Tutorial Pages */
.tutorial-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.tutorial-content h1,
.tutorial-content h2,
.tutorial-content h3,
.tutorial-content h4,
.tutorial-content h5,
.tutorial-content h6 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.tutorial-content h1 {
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.tutorial-content pre {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 0.5rem;
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.tutorial-content code {
    background-color: #f8f9fa;
    color: #e83e8c;
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
}

.tutorial-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.tutorial-content blockquote {
    border-left: 4px solid var(--primary-color);
    background-color: #f8f9fa;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 0.5rem 0.5rem 0;
}

.tutorial-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.tutorial-content th,
.tutorial-content td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.tutorial-content th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.tutorial-content tr:hover {
    background-color: #f8f9fa;
}

/* Navigation for tutorial pages */
.tutorial-nav {
    background: white;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.tutorial-nav .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .floating-card {
        margin-top: 2rem;
    }
    
    .feature-card,
    .category-card {
        margin-bottom: 2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    opacity: 0;
    animation: fadeIn 0.5s ease-in-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Utility classes */
.me-2 {
    margin-right: 0.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}



/* Video Player Styling */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin-bottom: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.5rem;
}