/* ========================================
   The Mule Force Blog - Complete Stylesheet
   ======================================== */

/* CSS Variables for Easy Theming */
:root {
    --primary-color: #00A1E0;        /* MuleSoft Blue */
    --secondary-color: #0176D3;      /* Salesforce Blue */
    --accent-color: #FF6B35;         /* Accent Orange */
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6a6a6a;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1.25rem;
    color: var(--text-medium);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

/* ========================================
   Navigation Bar
   ======================================== */
.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo:hover {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-medium);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a:focus {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: white;
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255,255,255,0.95);
}

.hero-tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ========================================
   Section Titles
   ======================================== */
.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ========================================
   Featured Post
   ======================================== */
.featured-section {
    padding: 3rem 0;
}

.featured-post {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    transition: var(--transition);
}

.featured-post:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.post-image {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.placeholder-img {
    font-size: 5rem;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.post-content {
    padding: 2rem;
}

.post-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.category {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-weight: 500;
}

.read-time,
.date {
    color: var(--text-light);
}

.post-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.post-content p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.05rem;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* ========================================
   Posts Grid
   ======================================== */
.posts-section {
    padding: 3rem 0;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.post-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.post-card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.post-icon {
    font-size: 3.5rem;
}

.post-card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.post-card-content p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.card-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.card-link:hover {
    color: var(--secondary-color);
}

/* ========================================
   Categories Section
   ======================================== */
.categories-section {
    padding: 3rem 0;
    background-color: var(--bg-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.category-box {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}

.category-box:hover {
    border-color: var(--primary-color);
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.category-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.category-box h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.category-box p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ========================================
   Newsletter Section
   ======================================== */
.newsletter-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.newsletter-box {
    text-align: center;
    color: white;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-box h2 {
    color: white;
    margin-bottom: 1rem;
}

.newsletter-box p {
    color: rgba(255,255,255,0.95);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: #e55a2b;
    transform: translateY(-2px);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    margin: 0;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .featured-post {
        grid-template-columns: 1fr;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .post-content,
    .post-card-content {
        padding: 1rem;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--accent-color);
}

.btn-secondary:hover {
    background-color: #e55a2b;
}
/* ========================================
   Google AdSense Ad Containers
   ======================================== */

/* General Ad Container */
.ad-container {
    margin: 2rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    text-align: center;
}

.ad-label {
    font-size: 0.75rem;
    color: #6a6a6a;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

/* Header Banner Ad */
.ad-header {
    max-width: 1200px;
    margin: 1rem auto;
    padding: 1rem;
}

/* Sidebar Ad (for desktop layouts) */
.ad-sidebar {
    position: sticky;
    top: 100px;
    margin-bottom: 2rem;
}

/* In-Article Ad */
.ad-in-article {
    margin: 2.5rem 0;
    clear: both;
}

/* Responsive Ad Sizing */
@media (max-width: 768px) {
    .ad-sidebar {
        position: relative;
        top: 0;
    }
    
    .ad-container {
        padding: 0.5rem;
    }
}

/* Article Layout with Sidebar for Ads */
.article-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 20px;
}

.article-main-content {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.article-sidebar-ads {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (max-width: 968px) {
    .article-with-sidebar {
        grid-template-columns: 1fr;
    }
}