/* ===================================
   Paradise Lost - Blog Styles
   Mobile-First, Light Theme
   =================================== */

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

:root {
    /* Colors */
    --color-bg: #FFFFFF;
    --color-surface: #F9FAFB;
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-accent-primary: #F59E0B;
    --color-accent-secondary: #D97706;
    --color-success: #10B981;
    --color-border: #E5E7EB;
    --color-hover: #F3F4F6;
    
    /* Category Colors */
    --color-technology: #3B82F6;
    --color-design: #8B5CF6;
    --color-writing: #EC4899;
    --color-business: #10B981;
    --color-lifestyle: #F59E0B;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Merriweather', Georgia, serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ui);
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-accent-primary);
    color: white;
    padding: var(--space-md);
    text-decoration: none;
    z-index: 9999;
}

.skip-to-content:focus {
    top: 0;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-text-primary);
}

.nav-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    position: relative;
    transition: var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-normal);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    padding: var(--space-sm);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    margin-top: var(--space-sm);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--color-hover);
    color: var(--color-text-primary);
}

.search-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: var(--space-sm);
    transition: color var(--transition-fast);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    color: var(--color-text-primary);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 61px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-lg);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }
    
    .nav-link {
        padding: var(--space-md);
        border-radius: 8px;
    }
    
    .nav-link:hover {
        background: var(--color-hover);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--space-lg);
        margin-top: var(--space-sm);
        display: none;
    }
    
    .nav-dropdown.active .dropdown-menu {
        display: block;
    }
}

/* ===================================
   Hero Section - Featured Post
   =================================== */

.hero-section {
    padding: var(--space-2xl) 0;
    background: var(--color-surface);
}

.featured-post {
    display: grid;
    gap: var(--space-xl);
    background: var(--color-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.featured-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.featured-content {
    padding: var(--space-xl);
}

.featured-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.featured-excerpt {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--color-text-primary);
    display: block;
    font-size: 0.9375rem;
}

.post-details {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.separator {
    color: var(--color-border);
}

/* Category Badges */
.category-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
    z-index: 10;
}

.badge-technology { background: var(--color-technology); }
.badge-design { background: var(--color-design); }
.badge-writing { background: var(--color-writing); }
.badge-business { background: var(--color-business); }
.badge-lifestyle { background: var(--color-lifestyle); }

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-accent-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-bg);
    color: var(--color-text-primary);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-hover);
    border-color: var(--color-text-muted);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Desktop Layout for Featured Post */
@media (min-width: 1024px) {
    .featured-post {
        grid-template-columns: 1.2fr 1fr;
    }
    
    .featured-image {
        aspect-ratio: auto;
    }
    
    .featured-content {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .featured-title {
        font-size: 2.5rem;
    }
}

/* ===================================
   Posts Section
   =================================== */

.posts-section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.posts-grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

/* Post Cards */
.post-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-text-muted);
}

.post-image-link {
    display: block;
    text-decoration: none;
}

.post-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-surface);
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.post-card:hover .post-image img {
    transform: scale(1.1);
}

.post-content {
    padding: var(--space-lg);
}

.post-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.post-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.post-title a:hover {
    color: var(--color-accent-primary);
}

.post-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.author-info-small {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.author-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name-small {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.post-meta-small {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Responsive Grid */
@media (min-width: 640px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   Pagination
   =================================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pagination-number {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-number:hover {
    background: var(--color-hover);
    border-color: var(--color-text-muted);
}

.pagination-number.active {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
}

.pagination-dots {
    color: var(--color-text-muted);
    padding: 0 var(--space-sm);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.footer-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.footer-brand-name {
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-newsletter-text {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: var(--font-ui);
    transition: all var(--transition-fast);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.newsletter-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.newsletter-btn:hover {
    background: var(--color-accent-secondary);
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-bottom-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-text-primary);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

/* ===================================
   Search Overlay
   =================================== */

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-2xl) var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    background: var(--color-bg);
    border-radius: 16px;
    padding: var(--space-xl);
    max-width: 600px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

.search-overlay.active .search-container {
    transform: translateY(0);
}

.search-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.search-close:hover {
    color: var(--color-text-primary);
}

.search-form {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.search-input {
    flex: 1;
    padding: var(--space-lg);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    font-size: 1.125rem;
    font-family: var(--font-ui);
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

.search-submit {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-submit:hover {
    background: var(--color-accent-secondary);
}

.search-suggestions-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.search-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.search-tag {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-tag:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
}

/* ===================================
   Utility Classes
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}