/** * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 * 
 * Blog Post page - Premium cinematic design
 * Elegant dark/gold palette with sophisticated typography, animations, and reading features
 */

/* ========================================
   FONT IMPORTS
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Inter:wght@400;500;600&family=Merriweather:wght@300;400;700&display=swap');

/* ========================================
   CSS VARIABLES - CINEMATIC DESIGN SYSTEM
   ======================================== */
:root {
    /* Primary Brand Colors */
    --blog-deep: #0f1419;
    --blog-deep-soft: #1a2332;
    --blog-navy: #162029;
    --blog-slate: #1e2d38;
    
    /* Warm Accent Colors */
    --blog-gold: #c9a430;
    --blog-gold-light: #d4b94d;
    --blog-gold-pale: #f0e4c3;
    --blog-gold-subtle: rgba(201, 164, 48, 0.12);
    --blog-gold-glow: rgba(201, 164, 48, 0.25);
    
    /* Teal Accent */
    --blog-teal: #0d9488;
    --blog-teal-light: #14b8a6;
    --blog-teal-subtle: rgba(13, 148, 136, 0.1);
    
    /* Neutral Palette */
    --blog-white: #ffffff;
    --blog-off-white: #faf9f7;
    --blog-cream: #f5f3ef;
    --blog-gray-100: #f1f0ed;
    --blog-gray-200: #e4e2dc;
    --blog-gray-300: #c5c2ba;
    --blog-gray-400: #9a968c;
    --blog-gray-500: #706c64;
    --blog-gray-600: #4a473f;
    --blog-gray-700: #2d2a24;
    --blog-gray-800: #1a1815;
    --blog-gray-900: #0d0c0a;
    
    /* Text Colors */
    --blog-text-dark: #1a1815;
    --blog-text-body: #4a473f;
    --blog-text-muted: #706c64;
    --blog-text-light: #f0f0f2;
    --blog-text-light-muted: rgba(240, 240, 242, 0.7);
    
    /* Typography */
    --blog-font-serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
    --blog-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --blog-font-reading: 'Merriweather', 'Georgia', serif;
    
    /* Spacing */
    --blog-space-xs: 0.5rem;
    --blog-space-sm: 1rem;
    --blog-space-md: 1.5rem;
    --blog-space-lg: 2.5rem;
    --blog-space-xl: 4rem;
    --blog-space-2xl: 6rem;
    --blog-space-3xl: 8rem;
    
    /* Border Radius */
    --blog-radius-sm: 4px;
    --blog-radius-md: 8px;
    --blog-radius-lg: 12px;
    --blog-radius-xl: 16px;
    --blog-radius-full: 9999px;
    
    /* Shadows */
    --blog-shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.04);
    --blog-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
    --blog-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
    --blog-shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.1);
    --blog-shadow-gold: 0 8px 32px rgba(201, 164, 48, 0.2);
    --blog-shadow-dark: 0 4px 24px rgba(0, 0, 0, 0.4);
    
    /* Borders */
    --blog-border-light: rgba(0, 0, 0, 0.06);
    --blog-border-dark: rgba(255, 255, 255, 0.08);
    --blog-border-gold: rgba(201, 164, 48, 0.3);
    
    /* Transitions */
    --blog-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --blog-ease-gentle: cubic-bezier(0.25, 0.1, 0.25, 1);
    --blog-transition-fast: 0.15s var(--blog-ease);
    --blog-transition: 0.3s var(--blog-ease);
    --blog-transition-slow: 0.6s var(--blog-ease-gentle);
}

/* ========================================
   BASE STYLES
   ======================================== */
.blog-post-page {
    font-family: var(--blog-font-sans);
    color: var(--blog-text-body);
    background: var(--blog-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

.blog-post-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--blog-space-lg);
}

@media (min-width: 1400px) {
    .blog-post-container {
        max-width: 1400px;
    }
}

/* ========================================
   READING PROGRESS BAR
   ======================================== */
.blog-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--blog-gold) 0%, var(--blog-teal) 100%);
    z-index: 9999;
    transition: width 0.1s ease-out;
    box-shadow: 0 2px 8px rgba(201, 164, 48, 0.3);
}

/* ========================================
   ANIMATIONS
   ======================================== */
.blog-animate {
    opacity: 0;
    transform: translateY(20px);
    animation: blogFadeInUp 0.8s var(--blog-ease-gentle) forwards;
}

.blog-animate-delay-1 { animation-delay: 0.1s; }
.blog-animate-delay-2 { animation-delay: 0.2s; }
.blog-animate-delay-3 { animation-delay: 0.3s; }
.blog-animate-delay-4 { animation-delay: 0.4s; }
.blog-animate-delay-5 { animation-delay: 0.5s; }

@keyframes blogFadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .blog-animate {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* ========================================
   HERO SECTION - ENHANCED
   ======================================== */
.blog-post-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: calc(100px + var(--blog-space-xl)) 0 var(--blog-space-2xl);
    overflow: hidden;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.blog-post-hero-with-image {
    background-color: var(--blog-deep);
    background-image: var(--hero-bg-image, none);
}

.blog-post-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--blog-deep) 0%, var(--blog-navy) 50%, var(--blog-deep-soft) 100%);
    z-index: 0;
}

.blog-post-hero-with-image .blog-post-hero-bg {
    background: linear-gradient(135deg, rgba(15, 20, 25, 0.85) 0%, rgba(22, 32, 41, 0.9) 50%, rgba(26, 35, 50, 0.85) 100%);
}

.blog-post-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(201, 164, 48, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 80% 20%, rgba(13, 148, 136, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.blog-post-hero-with-image .blog-post-hero-overlay {
    background: 
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(201, 164, 48, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 80% 20%, rgba(13, 148, 136, 0.1) 0%, transparent 50%),
        linear-gradient(to bottom, rgba(15, 20, 25, 0.4) 0%, rgba(15, 20, 25, 0.7) 100%);
}

.blog-post-hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201, 164, 48, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 1;
    animation: blogPulse 4s ease-in-out infinite;
}

@keyframes blogPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.blog-post-breadcrumb {
    margin-bottom: var(--blog-space-md);
    position: relative;
    z-index: 2;
}

.blog-post-breadcrumb .breadcrumb {
    background: transparent;
    justify-content: flex-start;
    padding: 0;
    margin: 0;
}

.blog-post-breadcrumb .breadcrumb-item a {
    color: var(--blog-text-light-muted);
    text-decoration: none;
    transition: color var(--blog-transition-fast);
    font-size: 0.875rem;
}

.blog-post-breadcrumb .breadcrumb-item a:hover {
    color: var(--blog-text-light);
}

.blog-post-breadcrumb .breadcrumb-item.active {
    color: var(--blog-text-light-muted);
    max-width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.875rem;
}

.blog-post-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    color: var(--blog-text-light-muted);
    opacity: 0.5;
}

.blog-post-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.blog-post-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--blog-gold-subtle);
    color: var(--blog-gold);
    font-family: var(--blog-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--blog-radius-full);
    border: 1px solid var(--blog-border-gold);
    margin-bottom: var(--blog-space-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--blog-shadow-soft);
}

.blog-post-badge i {
    font-size: 0.625rem;
    opacity: 0.9;
}

.blog-post-display-hero {
    font-family: var(--blog-font-serif);
    font-size: clamp(2.75rem, 6vw + 1rem, 4.5rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--blog-text-light);
    margin-bottom: var(--blog-space-md);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.blog-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--blog-space-md);
    font-family: var(--blog-font-sans);
    font-size: 0.95rem;
    color: var(--blog-text-light-muted);
    margin-bottom: var(--blog-space-lg);
}

.blog-post-meta i {
    margin-right: 0.5rem;
    opacity: 0.7;
}

/* Author Card in Hero */
.blog-post-author {
    display: flex;
    align-items: center;
    gap: var(--blog-space-md);
    padding: var(--blog-space-md);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--blog-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 400px;
}

.blog-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--blog-gold-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blog-gold);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.blog-author-info {
    flex: 1;
}

.blog-author-name {
    font-family: var(--blog-font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--blog-text-light);
    margin-bottom: 0.25rem;
}

.blog-author-role {
    font-family: var(--blog-font-sans);
    font-size: 0.85rem;
    color: var(--blog-text-light-muted);
}

/* ========================================
   FEATURED IMAGE CAPTION (when used as hero background)
   ======================================== */
.blog-post-featured-caption {
    margin-top: calc(var(--blog-space-xl) * -1);
    margin-bottom: var(--blog-space-xl);
    position: relative;
    z-index: 10;
}

.blog-featured-caption-text {
    font-family: var(--blog-font-sans);
    font-size: 0.875rem;
    color: var(--blog-text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--blog-space-sm) var(--blog-space-md);
    background: var(--blog-white);
    border-radius: var(--blog-radius-md);
    box-shadow: var(--blog-shadow-soft);
    display: inline-block;
    margin: 0 auto;
}

.blog-featured-caption-text i {
    margin-right: 0.5rem;
    color: var(--blog-gold);
    opacity: 0.7;
}

/* Mobile: Disable fixed background attachment for performance */
@media (max-width: 991px) {
    .blog-post-hero {
        background-attachment: scroll;
    }
}

/* ========================================
   SECTION SYSTEM
   ======================================== */
.blog-post-section {
    padding: var(--blog-space-3xl) 0;
}

.blog-section-light {
    background: var(--blog-off-white);
}

.blog-section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--blog-space-2xl);
}

.blog-section-marker {
    width: 48px;
    height: 2px;
    background: var(--blog-gold);
    margin: 0 auto var(--blog-space-md);
}

.blog-section-label {
    display: block;
    font-family: var(--blog-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--blog-gold);
    margin-bottom: var(--blog-space-sm);
}

.blog-display-1 {
    font-family: var(--blog-font-serif);
    font-size: clamp(2rem, 4vw + 0.5rem, 3.25rem);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.blog-section-title {
    margin-bottom: var(--blog-space-md);
    color: var(--blog-text-dark);
}

/* ========================================
   ARTICLE LAYOUT
   ======================================== */
.blog-post-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--blog-space-xl);
}

@media (min-width: 992px) {
    .blog-post-layout {
        grid-template-columns: 1fr 320px;
    }
}

@media (min-width: 1400px) {
    .blog-post-layout {
        grid-template-columns: 1.5fr 320px;
    }
}

/* ========================================
   ARTICLE BODY - PREMIUM TYPOGRAPHY
   ======================================== */
.blog-post-body {
    background: var(--blog-white);
    padding: var(--blog-space-2xl);
    border-radius: var(--blog-radius-xl);
    box-shadow: var(--blog-shadow-md);
    border: 1px solid var(--blog-border-light);
    max-width: 720px;
    margin: 0 auto;
}

@media (min-width: 1400px) {
    .blog-post-body {
        max-width: 900px;
    }
}

/* Drop Cap */
.blog-post-body > p:first-of-type::first-letter {
    float: left;
    font-family: var(--blog-font-serif);
    font-size: 4.5rem;
    font-weight: 400;
    line-height: 0.8;
    color: var(--blog-gold);
    margin: 0.1em 0.15em 0 0;
    padding-top: 0.1em;
}

.blog-post-body h1,
.blog-post-body h2,
.blog-post-body h3,
.blog-post-body h4,
.blog-post-body h5,
.blog-post-body h6 {
    font-family: var(--blog-font-serif);
    font-weight: 600;
    color: var(--blog-text-dark);
    margin-top: var(--blog-space-xl);
    margin-bottom: var(--blog-space-md);
    line-height: 1.3;
    position: relative;
    scroll-margin-top: 100px;
}

.blog-post-body h2 {
    font-size: 2rem;
    padding-bottom: var(--blog-space-sm);
    border-bottom: 2px solid var(--blog-gold-subtle);
}

.blog-post-body h2::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 60px;
    height: 2px;
    background: var(--blog-gold);
}

.blog-post-body h3 {
    font-size: 1.625rem;
    margin-top: var(--blog-space-lg);
}

.blog-post-body h4 {
    font-size: 1.375rem;
}

.blog-post-body p {
    font-family: var(--blog-font-reading);
    font-size: 1.125rem;
    line-height: 1.85;
    color: var(--blog-text-body);
    margin-bottom: var(--blog-space-md);
    text-align: justify;
    hyphens: auto;
}

.blog-post-body a {
    color: var(--blog-gold);
    text-decoration: underline;
    text-decoration-color: var(--blog-gold-subtle);
    text-underline-offset: 3px;
    transition: all var(--blog-transition-fast);
    font-weight: 500;
}

.blog-post-body a:hover {
    color: var(--blog-gold-light);
    text-decoration-color: var(--blog-gold);
}

.blog-post-body ul,
.blog-post-body ol {
    font-family: var(--blog-font-reading);
    font-size: 1.125rem;
    line-height: 1.85;
    color: var(--blog-text-body);
    margin-bottom: var(--blog-space-md);
    padding-left: var(--blog-space-lg);
}

.blog-post-body li {
    margin-bottom: 0.75rem;
}

.blog-post-body li::marker {
    color: var(--blog-gold);
}

/* Pull Quotes */
.blog-post-body blockquote {
    margin: var(--blog-space-xl) 0;
    padding: var(--blog-space-xl) var(--blog-space-lg);
    border-left: 4px solid var(--blog-gold);
    background: linear-gradient(to right, var(--blog-gold-subtle) 0%, transparent 100%);
    border-radius: 0 var(--blog-radius-lg) var(--blog-radius-lg) 0;
    font-style: italic;
    position: relative;
}

.blog-post-body blockquote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: var(--blog-space-md);
    font-family: var(--blog-font-serif);
    font-size: 4rem;
    color: var(--blog-gold);
    opacity: 0.2;
    line-height: 1;
}

.blog-post-body blockquote p {
    margin-bottom: 0;
    font-size: 1.25rem;
    color: var(--blog-text-dark);
    position: relative;
    z-index: 1;
}

.blog-post-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--blog-radius-lg);
    margin: var(--blog-space-lg) auto;
    box-shadow: var(--blog-shadow-md);
    display: block;
}

.blog-post-body pre {
    background: var(--blog-gray-800);
    color: var(--blog-gray-200);
    padding: var(--blog-space-lg);
    border-radius: var(--blog-radius-lg);
    overflow-x: auto;
    margin: var(--blog-space-md) 0;
    font-size: 0.9rem;
    border-left: 3px solid var(--blog-gold);
}

.blog-post-body code {
    background: var(--blog-gray-100);
    padding: 0.2rem 0.4rem;
    border-radius: var(--blog-radius-sm);
    font-size: 0.9em;
    color: var(--blog-gold);
    font-family: 'Courier New', monospace;
}

.blog-post-body pre code {
    background: transparent;
    padding: 0;
    color: var(--blog-gray-200);
}

.blog-post-body hr {
    margin: var(--blog-space-xl) 0;
    border: none;
    border-top: 2px dashed var(--blog-border-light);
}

.blog-post-body table {
    width: 100%;
    margin: var(--blog-space-md) 0;
    border-collapse: collapse;
    border-radius: var(--blog-radius-md);
    overflow: hidden;
}

.blog-post-body th,
.blog-post-body td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--blog-border-light);
    text-align: left;
}

.blog-post-body th {
    background: var(--blog-gold-subtle);
    font-weight: 600;
    color: var(--blog-text-dark);
}

/* ========================================
   SHARE SECTION - ENHANCED
   ======================================== */
.blog-post-share {
    margin-top: var(--blog-space-xl);
    padding-top: var(--blog-space-lg);
    border-top: 2px solid var(--blog-border-light);
}

.blog-share-title {
    font-family: var(--blog-font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--blog-text-dark);
    margin-bottom: var(--blog-space-md);
    display: flex;
    align-items: center;
    gap: var(--blog-space-sm);
}

.blog-share-title i {
    color: var(--blog-gold);
}

.blog-share-buttons {
    display: flex;
    gap: var(--blog-space-sm);
    flex-wrap: wrap;
}

.blog-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--blog-radius-md);
    color: var(--blog-white);
    text-decoration: none;
    transition: all var(--blog-transition-fast);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: var(--blog-shadow-soft);
    font-family: var(--blog-font-sans);
}

.blog-share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--blog-shadow-md);
    color: var(--blog-white);
    text-decoration: none;
}

.blog-share-btn i {
    color: var(--blog-white);
    font-size: 1rem;
}

.blog-share-label {
    font-size: 0.875rem;
    color: var(--blog-white);
    font-weight: 600;
}

.blog-share-twitter { 
    background: #1da1f2; 
    color: var(--blog-white);
}

.blog-share-twitter:hover { 
    background: #0d8bd9; 
    color: var(--blog-white);
}

.blog-share-facebook { 
    background: #4267b2; 
    color: var(--blog-white);
}

.blog-share-facebook:hover { 
    background: #365899; 
    color: var(--blog-white);
}

.blog-share-linkedin { 
    background: #0077b5; 
    color: var(--blog-white);
}

.blog-share-linkedin:hover { 
    background: #005885; 
    color: var(--blog-white);
}

.blog-share-copy { 
    background: var(--blog-gray-600); 
    color: var(--blog-white);
}

.blog-share-copy:hover { 
    background: var(--blog-gray-700); 
    color: var(--blog-white);
}

/* Floating Share Bar */
.blog-share-floating {
    position: fixed;
    left: var(--blog-space-lg);
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    flex-direction: column;
    gap: var(--blog-space-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--blog-transition);
}

.blog-share-floating.visible {
    opacity: 1;
    visibility: visible;
}

.blog-share-floating-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--blog-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--blog-text-muted);
    margin-bottom: var(--blog-space-sm);
}

.blog-share-floating-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--blog-space-sm);
}

.blog-share-floating-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blog-white);
    text-decoration: none;
    transition: all var(--blog-transition-fast);
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    box-shadow: var(--blog-shadow-md);
}

.blog-share-floating-btn i {
    color: var(--blog-white);
}

.blog-share-floating-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--blog-shadow-lg);
    color: var(--blog-white);
}

.blog-share-floating-btn:hover i {
    color: var(--blog-white);
}

/* Floating share button specific colors */
.blog-share-floating-btn.blog-share-twitter {
    background: #1da1f2;
}

.blog-share-floating-btn.blog-share-twitter:hover {
    background: #0d8bd9;
}

.blog-share-floating-btn.blog-share-facebook {
    background: #4267b2;
}

.blog-share-floating-btn.blog-share-facebook:hover {
    background: #365899;
}

.blog-share-floating-btn.blog-share-linkedin {
    background: #0077b5;
}

.blog-share-floating-btn.blog-share-linkedin:hover {
    background: #005885;
}

.blog-share-floating-btn.blog-share-copy {
    background: var(--blog-gray-600);
}

.blog-share-floating-btn.blog-share-copy:hover {
    background: var(--blog-gray-700);
}

/* Mobile Share Bar */
.blog-mobile-share-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--blog-white);
    border-top: 1px solid var(--blog-border-light);
    padding: var(--blog-space-sm) var(--blog-space-md);
    display: flex;
    gap: var(--blog-space-sm);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100%);
    transition: all var(--blog-transition);
}

.blog-mobile-share-bar.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.blog-mobile-share-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: var(--blog-space-sm);
    border-radius: var(--blog-radius-md);
    background: var(--blog-gray-100);
    color: var(--blog-text-dark);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--blog-transition-fast);
    border: none;
    cursor: pointer;
}

.blog-mobile-share-btn i {
    font-size: 1.25rem;
    color: var(--blog-text-dark);
}

.blog-mobile-share-btn span {
    color: var(--blog-text-dark);
    font-weight: 500;
}

.blog-mobile-share-btn:hover,
.blog-mobile-share-btn:active {
    background: var(--blog-gold-subtle);
    color: var(--blog-text-dark);
    text-decoration: none;
}

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

@media (max-width: 991px) {
    .blog-post-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--blog-space-md);
    }
}

@media (max-width: 767px) {
    .blog-post-sidebar {
        grid-template-columns: 1fr;
    }
}

.blog-sidebar-widget {
    background: var(--blog-white);
    border-radius: var(--blog-radius-lg);
    padding: var(--blog-space-lg);
    margin-bottom: var(--blog-space-md);
    box-shadow: var(--blog-shadow-soft);
    border: 1px solid var(--blog-border-light);
}

.blog-sidebar-title {
    font-family: var(--blog-font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--blog-text-dark);
    margin-bottom: var(--blog-space-md);
    padding-bottom: var(--blog-space-sm);
    border-bottom: 2px solid var(--blog-border-light);
    display: flex;
    align-items: center;
    gap: var(--blog-space-sm);
}

.blog-sidebar-title i {
    color: var(--blog-gold);
    font-size: 1rem;
}

/* Reading Progress Widget */
.blog-reading-progress-widget {
    text-align: center;
}

.blog-progress-ring {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--blog-space-md);
}

.blog-progress-ring-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.blog-progress-ring-circle-bg {
    fill: none;
    stroke: var(--blog-gray-200);
    stroke-width: 4;
}

.blog-progress-ring-circle {
    fill: none;
    stroke: var(--blog-gold);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 226.2;
    stroke-dashoffset: 226.2;
    transition: stroke-dashoffset 0.3s ease;
}

.blog-progress-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--blog-font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blog-gold);
}

.blog-progress-time {
    font-family: var(--blog-font-sans);
    font-size: 0.875rem;
    color: var(--blog-text-muted);
}

.blog-progress-time-label {
    display: block;
    margin-bottom: 0.25rem;
}

.blog-progress-time-value {
    display: block;
    font-weight: 600;
    color: var(--blog-text-dark);
    font-size: 1rem;
}

/* Table of Contents */
.blog-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-toc-list li {
    margin-bottom: 0.5rem;
}

.blog-toc-list a {
    display: block;
    padding: 0.625rem 0;
    color: var(--blog-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--blog-transition-fast);
    border-left: 2px solid transparent;
    padding-left: var(--blog-space-md);
    font-family: var(--blog-font-sans);
    line-height: 1.5;
}

.blog-toc-list a:hover,
.blog-toc-list a.active {
    color: var(--blog-gold);
    border-left-color: var(--blog-gold);
    padding-left: calc(var(--blog-space-md) + 2px);
}

.blog-toc-list li.toc-h3 a {
    padding-left: calc(var(--blog-space-md) + var(--blog-space-sm));
    font-size: 0.85rem;
}

/* Author Bio Card */
.blog-author-bio {
    text-align: center;
}

.blog-author-bio-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--blog-gold-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blog-gold);
    font-size: 2rem;
    margin: 0 auto var(--blog-space-md);
}

.blog-author-bio-name {
    font-family: var(--blog-font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blog-text-dark);
    margin-bottom: var(--blog-space-sm);
}

.blog-author-bio-text {
    font-family: var(--blog-font-sans);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--blog-text-muted);
    margin: 0;
}

/* Sidebar CTA - Premium */
.blog-sidebar-cta {
    background: linear-gradient(135deg, var(--blog-deep) 0%, var(--blog-navy) 100%);
    color: var(--blog-text-light);
    text-align: center;
    border: none;
    position: relative;
    overflow: hidden;
}

.blog-sidebar-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(201, 164, 48, 0.1) 0%, transparent 70%);
    animation: blogRotate 20s linear infinite;
}

@keyframes blogRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.blog-cta-icon {
    position: relative;
    z-index: 1;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--blog-gold-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--blog-space-md);
    color: var(--blog-gold);
    font-size: 1.5rem;
}

.blog-sidebar-cta h4 {
    position: relative;
    z-index: 1;
    color: var(--blog-text-light);
    font-family: var(--blog-font-serif);
    font-size: 1.35rem;
    margin-bottom: var(--blog-space-sm);
}

.blog-sidebar-cta p {
    position: relative;
    z-index: 1;
    font-size: 0.9rem;
    color: var(--blog-text-light-muted);
    margin-bottom: var(--blog-space-md);
}

.blog-sidebar-cta .blog-btn {
    position: relative;
    z-index: 1;
}

/* ========================================
   BUTTONS
   ======================================== */
.blog-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--blog-font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    text-decoration: none;
    border: none;
    border-radius: var(--blog-radius-sm);
    cursor: pointer;
    transition: all var(--blog-transition);
    white-space: nowrap;
}

.blog-btn--white {
    background: var(--blog-white);
    color: var(--blog-gray-900);
}

.blog-btn--white:hover {
    background: var(--blog-cream);
    transform: translateY(-2px);
    color: var(--blog-gray-900);
    text-decoration: none;
    box-shadow: var(--blog-shadow-md);
}

.blog-btn--secondary {
    background: transparent;
    color: var(--blog-text-dark);
    border: 1px solid var(--blog-gray-300);
}

.blog-btn--secondary:hover {
    border-color: var(--blog-gold);
    color: var(--blog-gold);
    text-decoration: none;
}

.blog-btn--block {
    width: 100%;
}

/* ========================================
   RELATED POSTS - BENTO GRID
   ======================================== */
.blog-related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--blog-space-lg);
}

@media (min-width: 576px) {
    .blog-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .blog-related-grid {
        grid-template-columns: 2fr 1fr 1fr;
        grid-template-rows: repeat(2, auto);
    }
    
    .blog-post-card-featured {
        grid-row: 1 / 3;
    }
}

.blog-post-card {
    background: var(--blog-white);
    border-radius: var(--blog-radius-lg);
    overflow: hidden;
    box-shadow: var(--blog-shadow-soft);
    transition: all var(--blog-transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}

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

.blog-post-image {
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
    background: var(--blog-deep);
}

.blog-post-card-featured .blog-post-image {
    aspect-ratio: 4/3;
}

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

/* SVG Placeholder for cards without images */
.blog-post-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blog-deep) 0%, var(--blog-navy) 50%, var(--blog-deep-soft) 100%);
}

.blog-post-image-placeholder img {
    display: none !important;
}

.blog-placeholder-svg {
    width: 100%;
    height: 100%;
    transition: transform var(--blog-transition-slow);
    display: block;
}

.blog-post-image-placeholder .blog-placeholder-svg {
    display: block !important;
}

.blog-post-card:hover .blog-placeholder-svg {
    transform: scale(1.05);
}

.blog-post-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--blog-transition);
}

.blog-post-card:hover .blog-post-image-overlay {
    opacity: 1;
}

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

.blog-post-content {
    padding: var(--blog-space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

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

.blog-post-card-featured .blog-post-title {
    font-size: 1.5rem;
}

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

.blog-post-title a:hover {
    color: var(--blog-gold);
}

.blog-post-excerpt {
    font-family: var(--blog-font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--blog-text-muted);
    margin-bottom: var(--blog-space-sm);
    flex: 1;
}

/* Category Pills */
.blog-card-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--blog-space-sm);
}

.blog-card-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--blog-gold-subtle);
    color: var(--blog-gold);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--blog-radius-full);
    text-decoration: none;
    transition: all var(--blog-transition-fast);
}

.blog-card-category:hover {
    background: var(--blog-gold);
    color: var(--blog-gray-900);
    text-decoration: none;
}

/* Meta Information */
.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--blog-space-md);
    font-family: var(--blog-font-sans);
    font-size: 0.85rem;
    color: var(--blog-text-muted);
    margin-top: auto;
}

.blog-card-meta i {
    margin-right: 0.25rem;
    opacity: 0.7;
}

.blog-card-reading-time {
    display: flex;
    align-items: center;
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */
.blog-back-to-top {
    position: fixed;
    bottom: var(--blog-space-lg);
    right: var(--blog-space-lg);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--blog-gold);
    color: var(--blog-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    box-shadow: var(--blog-shadow-lg);
    transition: all var(--blog-transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.blog-back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.blog-back-to-top:hover {
    background: var(--blog-gold-light);
    transform: translateY(-3px);
    box-shadow: var(--blog-shadow-xl);
}

/* ========================================
   BACK LINK
   ======================================== */
.blog-back-link {
    padding: var(--blog-space-xl) 0 var(--blog-space-2xl);
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */
@media (max-width: 991px) {
    .blog-post-section {
        padding: var(--blog-space-2xl) 0;
    }
    
    .blog-post-hero {
        min-height: auto;
        padding-top: calc(80px + var(--blog-space-lg));
    }
    
    .blog-post-layout {
        grid-template-columns: 1fr;
    }
    
    .blog-share-floating {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .blog-post-container {
        padding: 0 var(--blog-space-md);
    }
    
    .blog-post-display-hero {
        font-size: 2.25rem;
    }
    
    .blog-post-body {
        padding: var(--blog-space-md);
    }
    
    .blog-post-body > p:first-of-type::first-letter {
        font-size: 3.5rem;
    }
    
    .blog-post-body p,
    .blog-post-body ul,
    .blog-post-body ol {
        font-size: 1rem;
    }
    
    
    .blog-related-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-back-to-top {
        bottom: calc(var(--blog-space-lg) + 60px);
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .blog-reading-progress,
    .blog-share-floating,
    .blog-mobile-share-bar,
    .blog-back-to-top {
        display: none !important;
    }
    
    .blog-post-hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .blog-post-section {
        padding: 2rem 0;
    }
    
    .blog-animate {
        opacity: 1;
        transform: none;
        animation: none;
    }
    
    .blog-post-sidebar,
    .blog-post-share,
    .blog-related,
    .blog-back-link {
        display: none;
    }
    
    .blog-post-layout {
        grid-template-columns: 1fr;
    }
    
    .blog-post-body {
        box-shadow: none;
        padding: 0;
    }
}