/* ==========================================================================
   Traxtex Ghost Theme - Styles
   Based on Landing Page Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables / Design Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #4ade80;
    --color-primary-light: #86efac;
    --color-secondary: #22d3ee;
    --color-accent: #60a5fa;

    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #0f1629;

    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-text-subtle: #64748b;

    --color-border: rgba(148, 163, 184, 0.2);
    --color-border-hover: rgba(74, 222, 128, 0.5);
    --color-border-accent: rgba(74, 222, 128, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4ade80, #22d3ee);
    --gradient-text: linear-gradient(135deg, #4ade80, #22d3ee, #60a5fa);
    --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f1629 100%);
    --gradient-card: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 3rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 10px 30px rgba(74, 222, 128, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --header-height: 80px;
}

/* --------------------------------------------------------------------------
   Base / Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.site-wrapper {
    position: relative;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.container-narrow {
    max-width: var(--container-narrow);
}

/* --------------------------------------------------------------------------
   Background Blobs
   -------------------------------------------------------------------------- */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.08;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: -100px;
    right: -100px;
    animation: blob-float 15s ease-in-out infinite;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--color-secondary);
    bottom: 20%;
    left: -100px;
    animation: blob-float 18s ease-in-out infinite reverse;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: var(--color-accent);
    top: 50%;
    right: 10%;
    animation: blob-float 20s ease-in-out infinite;
}

@keyframes blob-float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(30px, -30px); }
    50% { transform: translate(-20px, 20px); }
    75% { transform: translate(20px, 30px); }
}

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.navbar {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.85) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-full);
    padding: 0.9rem var(--spacing-lg);
    margin: 0 var(--spacing-xl);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    font-size: var(--font-size-lg);
    transition: transform var(--transition-base);
}

.nav-logo:hover .logo-icon {
    transform: rotate(-10deg);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary-light);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.search-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.search-toggle:hover {
    color: var(--color-primary);
    background: rgba(74, 222, 128, 0.1);
}

.nav-cta {
    padding: 0.7rem 1.5rem;
    font-size: var(--font-size-sm);
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

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

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-text-primary);
    transition: transform var(--transition-base);
}

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

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    padding: var(--spacing-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-menu-link {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-link:hover {
    color: var(--color-primary);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-md) 0;
}

.mobile-cta {
    margin-top: var(--spacing-md);
}

/* Search Modal */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1001;
}

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

.search-modal-content {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--spacing-xl);
    position: relative;
}

.search-form {
    display: flex;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border-accent);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-submit {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    font-size: var(--font-size-lg);
}

.search-close {
    position: absolute;
    top: -60px;
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(74, 222, 128, 0.4);
}

.btn-primary i {
    transition: transform var(--transition-base);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: rgba(226, 232, 240, 0.1);
    border: 2px solid var(--color-border-accent);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: rgba(74, 222, 128, 0.15);
    border-color: var(--color-border-hover);
    color: var(--color-primary-light);
}

/* --------------------------------------------------------------------------
   Hero Sections
   -------------------------------------------------------------------------- */
.blog-hero,
.tag-hero,
.author-hero {
    padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
    text-align: center;
    background: var(--gradient-bg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1.25rem;
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Author Hero Specific */
.author-hero-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-border-accent);
    margin-bottom: var(--spacing-lg);
}

.author-hero-avatar-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 4px solid var(--color-border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--color-text-muted);
    margin: 0 auto var(--spacing-lg);
}

.author-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.author-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.author-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-primary);
}

.author-post-count {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Featured Post
   -------------------------------------------------------------------------- */
.featured-post {
    padding: var(--spacing-2xl) 0 var(--spacing-4xl);
}

.featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.featured-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-md);
}

.featured-image {
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

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

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

.featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.3), transparent);
}

.featured-content {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

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

.featured-excerpt {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   Post Meta
   -------------------------------------------------------------------------- */
.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.post-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    background: rgba(74, 222, 128, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-weight: 500;
    transition: all var(--transition-base);
}

.post-tag:hover {
    background: rgba(74, 222, 128, 0.2);
}

.post-date,
.reading-time {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* --------------------------------------------------------------------------
   Posts Section
   -------------------------------------------------------------------------- */
.posts-section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

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

/* --------------------------------------------------------------------------
   Post Grid
   -------------------------------------------------------------------------- */
.post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.post-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* --------------------------------------------------------------------------
   Post Card
   -------------------------------------------------------------------------- */
.post-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.post-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.post-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(15, 23, 42, 0.5));
}

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

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.post-card-tag {
    padding: 0.2rem 0.6rem;
    background: rgba(74, 222, 128, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-weight: 500;
}

.post-card-date {
    color: var(--color-text-muted);
}

.post-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

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

.post-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.post-card-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.post-card-author-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.post-card-author-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.post-card-reading-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.pagination-btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Newsletter Section
   -------------------------------------------------------------------------- */
.newsletter-section {
    padding: var(--spacing-4xl) 0;
}

.newsletter-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.newsletter-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.newsletter-title i {
    color: var(--color-primary);
}

.newsletter-text {
    color: var(--color-text-secondary);
}

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

.newsletter-form input {
    flex: 1;
    padding: 1rem var(--spacing-lg);
    background: rgba(15, 23, 42, 0.6);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    outline: none;
    transition: all var(--transition-base);
}

.newsletter-form input:focus {
    border-color: var(--color-border-hover);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1);
}

.newsletter-form input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-form .btn-primary {
    white-space: nowrap;
}

.form-message {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Single Post
   -------------------------------------------------------------------------- */
.post-article {
    padding-bottom: var(--spacing-4xl);
}

.post-header {
    padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-2xl);
    text-align: center;
    background: var(--gradient-bg);
}

.post-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-lg);
}

.post-excerpt {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

/* Author Card */
.author-card {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

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

.author-avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.author-info {
    text-align: left;
}

.author-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.author-name:hover {
    color: var(--color-primary);
}

.author-bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    max-width: 300px;
}

/* Feature Image */
.post-feature-image {
    margin-bottom: var(--spacing-3xl);
}

.post-feature-image img {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.post-feature-image figcaption {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Post Content */
.post-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.post-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: var(--spacing-3xl) 0 var(--spacing-lg);
}

.post-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-2xl) 0 var(--spacing-md);
}

.post-content p {
    margin-bottom: var(--spacing-lg);
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover {
    color: var(--color-primary-light);
}

.post-content ul,
.post-content ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-sm);
}

.post-content blockquote {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-primary);
}

.post-content pre {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.post-content code {
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.9em;
}

.post-content :not(pre) > code {
    padding: 0.2em 0.4em;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.post-content img {
    margin: var(--spacing-2xl) auto;
    border-radius: var(--radius-lg);
}

.post-content figure {
    margin: var(--spacing-2xl) 0;
}

.post-content figcaption {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

.post-content hr {
    margin: var(--spacing-3xl) 0;
    border: none;
    height: 1px;
    background: var(--color-border);
}

/* Post Footer */
.post-footer {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.tags-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-link {
    padding: 0.4rem 1rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.tag-link:hover {
    background: rgba(74, 222, 128, 0.1);
    border-color: var(--color-border-accent);
    color: var(--color-primary);
}

.post-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.share-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.share-btn:hover {
    border-color: var(--color-border-accent);
}

.share-twitter:hover { background: #1da1f2; color: white; border-color: #1da1f2; }
.share-linkedin:hover { background: #0077b5; color: white; border-color: #0077b5; }
.share-facebook:hover { background: #4267b2; color: white; border-color: #4267b2; }
.share-copy:hover { background: var(--color-primary); color: var(--color-bg-primary); border-color: var(--color-primary); }

/* Related Posts */
.related-posts {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-secondary);
}

.related-posts .section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* Author CTA */
.author-cta {
    padding: var(--spacing-3xl) 0;
}

.author-cta-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.author-cta-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-cta-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.author-cta-bio {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Page Template
   -------------------------------------------------------------------------- */
.page-article {
    padding-bottom: var(--spacing-4xl);
}

.page-header {
    padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-2xl);
    text-align: center;
    background: var(--gradient-bg);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.page-excerpt {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.page-feature-image {
    margin-bottom: var(--spacing-3xl);
}

.page-feature-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.page-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Error Page
   -------------------------------------------------------------------------- */
.error-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-4xl) 0;
}

.error-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-xl);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-4xl);
    color: var(--color-bg-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.error-code {
    font-size: 6rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-message {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.error-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
}

.footer-logo .logo-text {
    font-size: var(--font-size-xl);
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-primary);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

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

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

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-subtle);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .featured-card {
        grid-template-columns: 1fr;
    }

    .featured-image {
        min-height: 300px;
    }

    .newsletter-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.25rem;
    }

    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .navbar {
        margin: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .post-grid {
        grid-template-columns: 1fr;
    }

    .post-grid-3 {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .newsletter-form .form-group {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .author-cta-card {
        flex-direction: column;
        text-align: center;
    }

    .error-code {
        font-size: 4rem;
    }

    .error-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .post-title {
        font-size: var(--font-size-2xl);
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-sm);
    }
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Ghost-specific adjustments */
.kg-bookmark-card,
.kg-gallery-card,
.kg-image-card,
.kg-embed-card {
    margin: var(--spacing-2xl) 0;
}

.kg-width-wide {
    max-width: calc(var(--container-narrow) + 200px);
    margin-left: auto;
    margin-right: auto;
}

.kg-width-full {
    max-width: none;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.kg-bookmark-container {
    display: flex;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
}

.kg-bookmark-content {
    flex: 1;
    padding: var(--spacing-lg);
}

.kg-bookmark-title {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.kg-bookmark-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kg-bookmark-metadata {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.kg-bookmark-icon {
    width: 20px;
    height: 20px;
}

.kg-bookmark-thumbnail {
    width: 200px;
    object-fit: cover;
}