/*
Theme Name: FortiLabs Editorial
Theme URI: https://fortilabs.dev
Author: FortiLabs
Author URI: https://fortilabs.dev
Description: High-performance, claude.ai-inspired editorial WordPress theme for FortiLabs Blog. Directly linked with FortiLabs 6 Labs, RevStack YouTube, and ecosystem products.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Proprietary
License URI: https://fortilabs.dev/terms
Text Domain: fortilabs-editorial
Tags: blog, technology, grid-layout, custom-menu, featured-images, clean, minimal
*/

/* ==========================================================================
   CSS CUSTOM PROPERTIES / DESIGN SYSTEM
   ========================================================================== */
:root {
    /* AdVixo Brand Kit Specification */
    --accent: #D97757;
    --accent-hover: #C4684A;
    --accent-subtle: rgba(217, 119, 87, 0.08);
    --accent-text: #FFFFFF;

    --color-primary-dark: #141413;
    --color-primary-navy: #141413;
    --color-primary-light: #242422;
    --color-accent-blue: #D97757;
    --color-accent-blue-light: #E08A6C;
    --color-accent-blue-dark: #C4684A;
    --color-secondary-purple: #D97757;
    --color-purple-light: #E08A6C;
    --color-purple-dark: #C4684A;

    /* Theme Tokens - Light Default (Claude.ai Warm Ivory) */
    --color-bg-body: #FAF9F5;
    --color-bg-light: #FAF9F5;
    --color-bg-card: #FFFFFF;
    --color-bg-subtle: #F3F1EA;
    --color-bg-alt: #EDEAE2;
    --color-bg-dark: #141413;
    --color-bg-surface: #FFFFFF;
    --ambient-bg-glow: radial-gradient(circle at 50% 0%, rgba(217, 119, 87, 0.05) 0%, transparent 65%);

    /* Text Colors */
    --color-text-dark: #141413;
    --color-text-body: #5C5B57;
    --color-text-muted: #9B9A95;
    --color-text-light: #9B9A95;
    --color-text-white: #FFFFFF;

    /* Borders */
    --color-border: #E5E3DB;
    --color-border-hover: #D1CFC6;
    --color-border-subtle: rgba(229, 227, 219, 0.6);
    --color-border-dark: #30302E;

    /* Header & Footer */
    --color-header-bg: rgba(250, 249, 245, 0.85);
    --color-header-border: #E5E3DB;
    --color-footer-bg: #FAF9F5;
    --color-footer-border: #E5E3DB;

    /* Status */
    --color-success: #3D8B5E;
    --color-warning: #C68A0A;
    --color-error: #C53030;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* Font Sizes (Fluid Clamp) */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
    --text-sm: clamp(0.8125rem, 0.77rem + 0.2vw, 0.875rem);
    --text-base: clamp(0.9375rem, 0.89rem + 0.25vw, 1rem);
    --text-md: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
    --text-3xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.25rem);
    --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 2.75rem);
    --text-5xl: clamp(2.75rem, 2.35rem + 2vw, 3.5rem);

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(217, 119, 87, 0.15);

    /* Layout */
    --container-max: 1200px;
    --content-max: 760px;
    --transition: 200ms ease;
}

/* ==========================================================================
   AUTO SYSTEM DARK MODE (prefers-color-scheme: dark)
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --accent: #E08A6C;
        --accent-hover: #D97757;
        --accent-subtle: rgba(224, 138, 108, 0.12);

        --color-accent-blue: #E08A6C;
        --color-accent-blue-light: #E08A6C;
        --color-accent-blue-dark: #D97757;
        --color-secondary-purple: #E08A6C;

        --color-bg-body: #141413;
        --color-bg-light: #141413;
        --color-bg-card: #242422;
        --color-bg-subtle: #1C1C1A;
        --color-bg-alt: #1A1A18;
        --color-bg-dark: #0D0D0C;
        --color-bg-surface: #242422;
        --ambient-bg-glow: radial-gradient(circle at 50% 0%, rgba(224, 138, 108, 0.07) 0%, transparent 65%);

        --color-text-dark: #E8E6DE;
        --color-text-body: #9B9A95;
        --color-text-muted: #6B6A66;
        --color-text-light: #6B6A66;
        --color-text-white: #FFFFFF;

        --color-border: #30302E;
        --color-border-hover: #3D3D3A;
        --color-border-subtle: rgba(48, 48, 46, 0.7);
        --color-border-dark: #3D3D3A;

        --color-header-bg: rgba(20, 20, 19, 0.85);
        --color-header-border: #30302E;
        --color-footer-bg: #141413;
        --color-footer-border: #30302E;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.16);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.24);
        --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.32);
        --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.40);
        --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.16);
        --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.24);
    }
}

/* ==========================================================================
   SELF-HOSTED INTER FONT
   ========================================================================== */
@font-face {
    font-family: 'Inter';
    src: url('assets/fonts/Inter-VariableFont_slnt,wght.woff2') format('woff2');
    font-weight: 100 900;
    font-display: swap;
    font-style: normal;
}

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

html {
    font-size: 16px;
    line-height: 1.6;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text-body);
    background-color: var(--color-bg-body);
    background-image: var(--ambient-bg-glow);
    background-repeat: no-repeat;
    background-attachment: fixed;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

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

ul, ol {
    list-style: none;
}

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.content-container {
    width: 100%;
    max-width: var(--content-max);
    margin-left: auto;
    margin-right: auto;
}

.section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.section-sm {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-header-border);
    height: 72px;
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.site-header__logo-img {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
}

.site-header__logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: -0.03em;
}

.site-header__logo-accent {
    background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-secondary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-header__logo-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(0, 212, 255, 0.12);
    color: var(--color-accent-blue);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 212, 255, 0.25);
    margin-left: var(--space-2);
}

.site-header__nav {
    display: flex;
    align-items: center;
}

.site-header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.site-header__nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition);
}

.site-header__nav-link:hover {
    color: var(--color-text-dark);
}

.site-header__nav-link.active {
    color: var(--color-text-dark);
    font-weight: 600;
}

.site-header__nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-secondary-purple));
    border-radius: 2px;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.site-header__search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.site-header__search-btn:hover {
    color: var(--color-text-dark);
    background: var(--color-bg-card);
    border-color: var(--color-border-hover);
}

.site-header__mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-dark);
    cursor: pointer;
    padding: var(--space-2);
}

/* ==========================================================================
   LABS NAVIGATION TABS (CATEGORIES)
   ========================================================================== */
.labs-nav {
    background-color: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.labs-nav__container {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    white-space: nowrap;
}

.labs-nav__label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-right: var(--space-2);
}

.labs-nav__item {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
    color: var(--color-text-body);
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.labs-nav__item:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.labs-nav__item.active {
    background-color: var(--color-accent-blue);
    color: #050B14;
    border-color: var(--color-accent-blue);
    font-weight: 600;
}

.labs-nav__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-accent-blue);
}

/* ==========================================================================
   BLOG HERO SECTION
   ========================================================================== */
.blog-hero {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary-navy) 100%);
    color: #FFFFFF;
    padding: var(--space-16) 0 var(--space-12) 0;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.blog-hero__tagline {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent-blue);
    margin-bottom: var(--space-3);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.blog-hero__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #FFFFFF;
    max-width: 800px;
    margin-bottom: var(--space-4);
}

.blog-hero__desc {
    font-size: var(--text-lg);
    color: #94A3B8;
    max-width: 680px;
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.blog-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: var(--text-sm);
    color: #94A3B8;
}

.blog-hero__channel-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-accent-blue);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition);
}

.blog-hero__channel-link:hover {
    color: var(--color-accent-blue-light);
}

/* ==========================================================================
   CATEGORY HERO (LAB ARCHIVE HEADER)
   ========================================================================== */
.lab-archive-hero {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary-navy) 100%);
    color: #FFFFFF;
    padding: var(--space-12) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lab-archive-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: rgba(0, 212, 255, 0.12);
    color: var(--color-accent-blue);
    border: 1px solid rgba(0, 212, 255, 0.25);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.lab-archive-hero__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
}

.lab-archive-hero__desc {
    font-size: var(--text-md);
    color: #94A3B8;
    max-width: 680px;
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.lab-archive-hero__crosslink {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-blue);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.lab-archive-hero__crosslink:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-accent-blue);
    color: #FFFFFF;
}

/* ==========================================================================
   ARTICLE CARD GRID
   ========================================================================== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.post-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
}

.post-card:hover {
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.post-card__thumb-link {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--color-primary-navy) 0%, var(--color-primary-dark) 100%);
    overflow: hidden;
    display: block;
}

.post-card__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.post-card:hover .post-card__thumb {
    transform: scale(1.03);
}

.post-card__thumb-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0A1628 0%, #1E3A5F 100%);
    color: rgba(255, 255, 255, 0.4);
    font-size: 2.5rem;
}

.post-card__body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-card__meta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.post-card__category {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent-blue-dark);
    background: rgba(0, 212, 255, 0.08);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.post-card__read-time {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: 500;
}

.post-card__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.35;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
}

.post-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

.post-card__title a:hover {
    color: var(--color-accent-blue-dark);
}

.post-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-bottom: var(--space-4);
    flex-grow: 1;
    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(--space-4);
    border-top: 1px solid var(--color-border-subtle);
}

.post-card__author {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-dark);
}

.post-card__read-more {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent-blue-dark);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ==========================================================================
   FEATURED / HERO POST (INDEX TOP)
   ========================================================================== */
.featured-post-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-12);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.featured-post-card:hover {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: var(--shadow-xl);
}

.featured-post-card__thumb-link {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--color-primary-navy) 0%, var(--color-primary-dark) 100%);
    overflow: hidden;
    display: block;
}

.featured-post-card__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.featured-post-card:hover .featured-post-card__thumb {
    transform: scale(1.02);
}

.featured-post-card__body {
    padding: var(--space-10);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-post-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-blue-dark);
    margin-bottom: var(--space-3);
}

.featured-post-card__title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-text-dark);
    line-height: 1.25;
    letter-spacing: -0.025em;
    margin-bottom: var(--space-4);
}

.featured-post-card__title a:hover {
    color: var(--color-accent-blue-dark);
}

.featured-post-card__excerpt {
    font-size: var(--text-md);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.featured-post-card__footer {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
}

/* ==========================================================================
   BREADCRUMBS
   ========================================================================== */
.breadcrumbs {
    padding: var(--space-4) 0;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border-subtle);
}

.breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumbs__item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumbs__item::after {
    content: '/';
    color: var(--color-text-light);
}

.breadcrumbs__item:last-child::after {
    display: none;
}

.breadcrumbs__link {
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.breadcrumbs__link:hover {
    color: var(--color-primary-navy);
}

.breadcrumbs__current {
    color: var(--color-text-dark);
    font-weight: 600;
}

/* ==========================================================================
   SINGLE ARTICLE / EDITORIAL STYLING (CLAUDE.AI GRADE)
   ========================================================================== */
.article-header {
    padding-top: var(--space-12);
    padding-bottom: var(--space-8);
}

.article-header__category-wrap {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.article-header__category {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-blue-dark);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.article-header__lab-link {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.article-header__lab-link:hover {
    color: var(--color-accent-blue-dark);
}

.article-header__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--color-text-dark);
    margin-bottom: var(--space-6);
}

.article-header__meta {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.article-header__author-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.article-header__author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.article-header__author-name {
    font-weight: 600;
    color: var(--color-text-dark);
}

.article-header__author-role {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.article-header__read-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.article-featured-image {
    margin-bottom: var(--space-10);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.article-featured-image img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* ==========================================================================
   ARTICLE PROSE CONTENT (TYPOGRAPHY)
   ========================================================================== */
.article-body {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: #2D3748;
}

.article-body p {
    margin-bottom: var(--space-6);
}

.article-body h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: -0.025em;
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-subtle);
}

.article-body h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: -0.02em;
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.article-body h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-top: var(--space-6);
    margin-bottom: var(--space-2);
}

.article-body ul, .article-body ol {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: var(--space-2);
}

.article-body a {
    color: var(--color-accent-blue-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition);
}

.article-body a:hover {
    color: var(--color-primary-navy);
}

.article-body blockquote {
    border-left: 4px solid var(--color-accent-blue);
    background: var(--color-bg-subtle);
    padding: var(--space-6) var(--space-8);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--space-8) 0;
    font-style: italic;
    color: var(--color-text-dark);
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

.article-body pre {
    background-color: var(--color-primary-dark);
    color: #E2E8F0;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: var(--space-8) 0;
    border: 1px solid var(--color-border-dark);
}

.article-body code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background-color: var(--color-bg-alt);
    color: var(--color-purple-dark);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.article-body pre code {
    background-color: transparent;
    color: inherit;
    padding: 0;
    border-radius: 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-8) 0;
    font-size: var(--text-sm);
}

.article-body th, .article-body td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.article-body th {
    background-color: var(--color-bg-subtle);
    font-weight: 700;
    color: var(--color-text-dark);
}

/* ==========================================================================
   CROSS-PROMOTION & ECOSYSTEM CALLOUT BOXES
   ========================================================================== */
.article-callout {
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.03) 0%, rgba(0, 212, 255, 0.06) 100%);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin: var(--space-10) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.article-callout__content {
    flex-grow: 1;
}

.article-callout__tag {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-blue-dark);
    margin-bottom: var(--space-1);
}

.article-callout__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--space-1);
}

.article-callout__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: 0 !important;
}

.article-callout__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    white-space: nowrap;
    background: var(--color-primary-navy);
    color: #FFFFFF !important;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    text-decoration: none !important;
    transition: all var(--transition);
}

.article-callout__btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}

/* ==========================================================================
   AUTHOR BIO BOX (AT POST BOTTOM)
   ========================================================================== */
.article-author-bio {
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-top: var(--space-12);
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.article-author-bio__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
}

.article-author-bio__info {
    flex-grow: 1;
}

.article-author-bio__name {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 2px;
}

.article-author-bio__title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent-blue-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.article-author-bio__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: var(--space-3);
}

.article-author-bio__links {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
}

.article-author-bio__link {
    color: var(--color-accent-blue-dark);
    text-decoration: none !important;
}

/* ==========================================================================
   ARTICLE SOCIAL SHARE
   ========================================================================== */
.article-share {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) 0;
    margin-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.article-share__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-dark);
}

.article-share__buttons {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.article-share__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.article-share__btn:hover {
    color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    background-color: var(--color-bg-card);
}

/* ==========================================================================
   RELATED POSTS
   ========================================================================== */
.related-posts {
    margin-top: var(--space-16);
    padding-top: var(--space-12);
    border-top: 1px solid var(--color-border);
}

.related-posts__heading {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--space-8);
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
    color: var(--color-text-body);
    transition: all var(--transition);
}

.pagination .page-numbers:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-primary-navy);
}

.pagination .page-numbers.current {
    background-color: var(--color-accent-blue);
    color: #050B14;
    border-color: var(--color-accent-blue);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background-color: var(--color-primary-dark);
    color: #94A3B8;
    padding-top: var(--space-16);
    padding-bottom: var(--space-10);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.site-footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.site-footer__logo-img {
    width: 32px;
    height: 32px;
}

.site-footer__logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.03em;
}

.site-footer__logo-accent {
    background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-secondary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-footer__tagline {
    font-size: var(--text-sm);
    color: #64748B;
    line-height: 1.5;
    max-width: 320px;
}

.site-footer__heading {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #FFFFFF;
    margin-bottom: var(--space-4);
}

.site-footer__list li {
    margin-bottom: var(--space-2);
}

.site-footer__list a {
    font-size: var(--text-sm);
    color: #94A3B8;
    transition: color var(--transition);
}

.site-footer__list a:hover {
    color: #FFFFFF;
}

.site-footer__social {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--space-8);
}

.site-footer__social a {
    color: #94A3B8;
    transition: color var(--transition);
}

.site-footer__social a:hover {
    color: #FFFFFF;
}

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: #64748B;
}

.site-footer__legal-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.site-footer__legal-links a:hover {
    color: #94A3B8;
}

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

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .site-header__nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-primary-dark);
        padding: var(--space-6);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .site-header__nav.open {
        display: block;
    }

    .site-header__nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }

    .site-header__mobile-toggle {
        display: block;
    }

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

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

    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .site-footer__bottom {
        flex-direction: column;
        gap: var(--space-4);
        align-items: flex-start;
    }

    .article-callout {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-author-bio {
        flex-direction: column;
        text-align: center;
    }
}