/* ===================================
   CSS VARIABLES - EASY THEMING
   =================================== */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --accent-color: #f59e0b;
    --background-color: #ffffff;
    --background-alt: #f9fafb;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ===================================
   LAYOUT
   =================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   HEADER
   =================================== */
.site-header {
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo .accent {
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-nav a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.125rem;
    opacity: 0.95;
    font-weight: 300;
}

/* ===================================
   AD CONTAINERS
   =================================== */
.ad-container {
    background-color: var(--background-alt);
    padding: var(--spacing-md) 0;
    margin: var(--spacing-lg) 0;
}

.ad-placeholder {
    background-color: var(--background-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-label {
    color: var(--text-light);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   MAIN CONTENT
   =================================== */
.main-content {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
}

/* ===================================
   POSTS GRID
   =================================== */
.posts-section {
    width: 100%;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.post-card {
    background-color: var(--background-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.post-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--background-alt);
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.05);
}

.post-card-content {
    padding: var(--spacing-md);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-light);
}

.post-category {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-date {
    font-size: 0.875rem;
}

.post-card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    line-height: 1.3;
}

.post-card-excerpt {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: gap 0.3s ease;
}

.read-more:hover {
    gap: 0.75rem;
}

.read-more::after {
    content: '→';
    font-size: 1.2rem;
}

/* ===================================
   SINGLE POST
   =================================== */
.post-article {
    background-color: var(--background-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.post-header {
    padding: var(--spacing-lg);
    text-align: center;
    background-color: var(--background-alt);
}

.post-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    color: var(--text-color);
}

.post-featured-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    background-color: var(--background-alt);
}

.post-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-body {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.post-body p {
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-color);
}

.post-body h2 {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 700;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.post-body h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.post-body ul,
.post-body ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.post-body li {
    margin-bottom: var(--spacing-xs);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.post-body .ingredients-list,
.post-body .steps-list {
    background-color: var(--background-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

/* Mid-Content Ad */
.ad-mid-content {
    margin: var(--spacing-xl) 0;
}

/* End-Content Ad */
.ad-end-content {
    margin-top: var(--spacing-xl);
}

/* ===================================
   SIDEBAR
   =================================== */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-widget {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-xs);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: var(--spacing-xs);
}

.category-list a {
    display: block;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color 0.3s ease;
    color: var(--text-color);
}

.category-list a:hover {
    background-color: var(--background-alt);
    color: var(--primary-color);
}

.recent-posts {
    list-style: none;
}

.recent-posts li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.recent-posts li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.recent-posts a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1.4;
    display: block;
}

.recent-posts a:hover {
    color: var(--primary-color);
}

/* ===================================
   FOOTER
   =================================== */
.site-footer {
    background-color: var(--text-color);
    color: white;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-links ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.footer-links a {
    color: white;
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* ===================================
   UTILITIES
   =================================== */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-light);
    font-size: 1.125rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablet */
@media (max-width: 968px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .post-title {
        font-size: 2rem;
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --spacing-xl: 2rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .post-title {
        font-size: 1.75rem;
    }
    
    .post-featured-image {
        height: 250px;
    }
    
    .post-body {
        padding: var(--spacing-md);
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links ul {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .post-card-title {
        font-size: 1.25rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .post-title {
        font-size: 1.5rem;
    }
}