/* ============================================
   MPRG Brand System - Neural Circuit v2
   Machine Pareidolia Research Group
   
   WordPress Theme Stylesheet
   Version: 1.0.5
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */

:root {
    /* Primary Backgrounds */
    --bg-primary: #111111;
    --bg-secondary: #222222;
    --bg-elevated: #2a2a2a;
    
    /* Neural Circuit Palette */
    --circuit-amber: #f39330;
    --deep-ultramarine: #215797;
    --deep-moss: #3b7f58;
    --iron-oxide: #a73d2d;
    
    /* Text Colors */
    --text-primary: #fbf9f2;
    --text-secondary: rgba(251, 249, 242, 0.7);
    --text-muted: rgba(251, 249, 242, 0.5);
    
    /* Typography Scale */
    --font-headline: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Material Design Shadows - 315 degree angle (bottom-right, subtle) */
    --shadow-sm: 
        0.5px 0.5px 1px rgba(0,0,0,0.2), 
        1px 1px 2px rgba(0,0,0,0.12);
    --shadow-md: 
        1px 1px 2px rgba(0,0,0,0.18), 
        2px 2px 4px rgba(0,0,0,0.12);
    --shadow-lg: 
        1.5px 1.5px 3px rgba(0,0,0,0.15), 
        3px 3px 6px rgba(0,0,0,0.1);
    --shadow-xl: 
        2px 2px 4px rgba(0,0,0,0.12), 
        4px 4px 8px rgba(0,0,0,0.08);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}


/* ============================================
   Reset & Base
   ============================================ */

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* ============================================
   Typography - Headings
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.875rem;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.375rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

h4 {
    font-size: 1.125rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

h5 {
    font-size: 1rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

h6 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}


/* ============================================
   Typography - Body & Inline Elements
   ============================================ */

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

strong, b {
    font-weight: 600;
    color: var(--text-primary);
}

em, i {
    font-style: italic;
}

small {
    font-size: 0.875rem;
    color: var(--text-muted);
}

mark {
    background: rgba(243, 147, 48, 0.2);
    color: var(--text-primary);
    padding: 0.1em 0.3em;
    border-radius: var(--radius-sm);
}

/* Text accent utility (for Gutenberg highlight) */
.text-accent,
.has-circuit-amber-color {
    color: var(--circuit-amber);
}


/* ============================================
   Typography - Links
   ============================================ */

a {
    color: var(--circuit-amber);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--iron-oxide);
}

a:focus {
    outline: 2px solid var(--circuit-amber);
    outline-offset: 2px;
}


/* ============================================
   Typography - Lists
   ============================================ */

ul, ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
    color: var(--text-secondary);
}

ul {
    list-style-type: none;
}

ul li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
}

ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--deep-moss);
}

/* Nested unordered lists */
ul ul li::before {
    width: 5px;
    height: 5px;
    background: transparent;
    border: 1px solid var(--deep-moss);
}

ol {
    list-style-type: none;
    counter-reset: ordered-list;
}

ol li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    counter-increment: ordered-list;
}

ol li::before {
    content: counter(ordered-list) ".";
    position: absolute;
    left: 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--deep-moss);
}

/* Nested ordered lists */
ol ol {
    counter-reset: nested-list;
}

ol ol li {
    counter-increment: nested-list;
}

ol ol li::before {
    content: counter(nested-list, lower-alpha) ".";
}

/* Definition lists */
dl {
    margin-bottom: var(--space-lg);
}

dt {
    font-family: var(--font-headline);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-md);
}

dd {
    color: var(--text-secondary);
    margin-left: var(--space-lg);
    margin-bottom: var(--space-sm);
}


/* ============================================
   Typography - Blockquotes & Callouts
   ============================================ */

blockquote {
    margin: var(--space-2xl) 0;
    padding: var(--space-xl) var(--space-2xl);
    background: var(--bg-elevated);
    border-left: 4px solid var(--iron-oxide);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: var(--shadow-sm);
}

blockquote p {
    font-size: 1.0625rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

blockquote p:last-of-type {
    margin-bottom: 0;
}

blockquote cite {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-style: normal;
    color: var(--text-muted);
    margin-top: var(--space-md);
}

/* Pullquote variant */
.wp-block-pullquote,
.pullquote {
    border-left: none;
    border-top: 2px solid var(--circuit-amber);
    border-bottom: 2px solid var(--circuit-amber);
    text-align: center;
    padding: var(--space-2xl);
}

.wp-block-pullquote p,
.pullquote p {
    font-size: 1.25rem;
    font-family: var(--font-headline);
    font-style: normal;
    font-weight: 500;
}


/* ============================================
   Typography - Code
   ============================================ */

/* Inline code */
code:not(pre code) {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: rgba(243, 147, 48, 0.1);
    color: var(--circuit-amber);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
}

/* Code blocks */
pre {
    margin: var(--space-2xl) 0;
    padding: var(--space-xl);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(251, 249, 242, 0.06);
}

pre code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    background: none;
    padding: 0;
}

/* Syntax Highlighting - Brand Colors */
.token-keyword,
.hljs-keyword,
.syntax-keyword { 
    color: var(--iron-oxide); 
}

.token-function,
.hljs-title.function_,
.syntax-function { 
    color: var(--circuit-amber); 
}

.token-string,
.hljs-string,
.syntax-string { 
    color: var(--deep-moss); 
}

.token-comment,
.hljs-comment,
.syntax-comment { 
    color: var(--text-muted); 
    font-style: italic; 
}

.token-variable,
.hljs-variable,
.syntax-variable { 
    color: var(--deep-ultramarine); 
}

.token-number,
.hljs-number,
.syntax-number { 
    color: var(--circuit-amber); 
}

.token-operator,
.hljs-operator,
.syntax-operator { 
    color: var(--text-secondary); 
}

.token-punctuation,
.hljs-punctuation,
.syntax-punctuation { 
    color: var(--text-muted); 
}

/* Keyboard input */
kbd {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    background: var(--bg-elevated);
    color: var(--text-primary);
    padding: 0.2em 0.5em;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(251, 249, 242, 0.1);
    box-shadow: var(--shadow-sm);
}


/* ============================================
   Typography - Horizontal Rules
   ============================================ */

hr {
    border: none;
    height: 1px;
    background: rgba(251, 249, 242, 0.1);
    margin: var(--space-3xl) 0;
}

hr.wp-block-separator.is-style-wide {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(251, 249, 242, 0.15), transparent);
}

hr.wp-block-separator.is-style-dots::before {
    content: '\00B7  \00B7  \00B7';
    color: var(--text-muted);
    font-size: 1.5rem;
    letter-spacing: 1rem;
}


/* ============================================
   Layout - Container
   ============================================ */

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

.container--narrow {
    max-width: 800px;
}

.container--wide {
    max-width: 1400px;
}


/* ============================================
   Layout - Header
   ============================================ */

.header,
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(17, 17, 17, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(251, 249, 242, 0.06);
    box-shadow: var(--shadow-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: calc(75px + 2rem);
    padding: 1rem 0;
}

.header__brand,
.site-branding {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.header__logo,
.custom-logo {
    width: 75px;
    height: 75px;
    transition: transform var(--transition-base);
}

.header__brand:hover .header__logo,
.site-branding:hover .custom-logo {
    transform: rotate(15deg);
}

.header__wordmark,
.site-title {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--circuit-amber);
    letter-spacing: 0.08em;
}

.site-title a {
    color: inherit;
}

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

.site-description {
    display: none;
}


/* ============================================
   Layout - Navigation
   ============================================ */

.header__nav,
.main-navigation,
.primary-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.header__nav-link,
.main-navigation a,
.primary-menu a {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.header__nav-link::after,
.main-navigation a::after,
.primary-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--circuit-amber);
    transition: width var(--transition-base);
}

.header__nav-link:hover,
.main-navigation a:hover,
.primary-menu a:hover {
    color: var(--text-primary);
}

.header__nav-link:hover::after,
.main-navigation a:hover::after,
.primary-menu a:hover::after {
    width: 100%;
}

/* Current/Active menu item */
.current-menu-item a,
.current_page_item a {
    color: var(--text-primary);
}

.current-menu-item a::after,
.current_page_item a::after {
    width: 100%;
}


/* ============================================
   Layout - Mobile Navigation
   ============================================ */

.header__menu-toggle,
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

.header__menu-toggle span,
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__menu-toggle span:nth-child(1),
.menu-toggle span:nth-child(1) {
    margin-bottom: 6px;
}

.header__menu-toggle span:nth-child(3),
.menu-toggle span:nth-child(3) {
    margin-top: 6px;
}

/* Hamburger to X animation */
.header__menu-toggle.is-active span:nth-child(1),
.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.header__menu-toggle.is-active span:nth-child(2),
.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle.is-active span:nth-child(3),
.menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.header__overlay,
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 95;
}

.header__overlay.is-visible,
.nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}


/* ============================================
   Layout - Hero Section
   ============================================ */

.hero,
.site-hero {
    padding-top: calc(75px + 2rem + var(--space-4xl));
    padding-bottom: var(--space-4xl);
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero__content {
    max-width: 900px;
}

.hero__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--deep-moss);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.03em;
}

.hero__title .text-accent {
    color: var(--circuit-amber);
}

.hero__description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 720px;
}


/* ============================================
   Layout - Content Sections
   ============================================ */

.content-section {
    padding: var(--space-4xl) 0;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--deep-moss);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-xl);
}

.content-card,
.entry-content,
.wp-block-group.has-background {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(251, 249, 242, 0.04);
}


/* ============================================
   Layout - Article / Entry
   ============================================ */

.article-header,
.entry-header {
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(251, 249, 242, 0.08);
}

.article-header__title,
.entry-title {
    margin-bottom: var(--space-md);
}

.article-header__byline,
.entry-meta {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.article-header__byline a,
.entry-meta a {
    color: var(--circuit-amber);
}

.article-header__byline a:hover,
.entry-meta a:hover {
    color: var(--iron-oxide);
}

/* Post thumbnail / Featured image */
.post-thumbnail,
.wp-post-image {
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}


/* ============================================
   Layout - Post Lists / Archives
   ============================================ */

/* Simple post list - linked titles only */
.post-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.post-list li {
    padding: 0;
    margin-bottom: var(--space-md);
}

.post-list li::before {
    display: none;
}

.post-list li a {
    color: var(--circuit-amber);
    font-size: 1rem;
    line-height: 1.5;
}

.post-list li a:hover {
    color: var(--iron-oxide);
}

.post-list__see-all {
    display: inline-block;
    margin-top: var(--space-xl);
    font-size: 1rem;
}

/* Detailed post list - with meta and excerpts */
.post-list--detailed li {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(251, 249, 242, 0.06);
}

.post-list--detailed li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.post-list__title {
    font-family: var(--font-headline);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.post-list__title a {
    color: var(--text-primary);
}

.post-list__title a:hover {
    color: var(--circuit-amber);
}

.post-list__meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.post-list__excerpt {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}


/* ============================================
   Layout - Featured Post Card
   ============================================ */

.featured-post {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(251, 249, 242, 0.04);
    margin-bottom: var(--space-2xl);
}

.featured-post__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--circuit-amber);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.featured-post__title {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.featured-post__title a {
    color: var(--text-primary);
}

.featured-post__title a:hover {
    color: var(--circuit-amber);
}

.featured-post__excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.featured-post__meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.featured-post__read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--circuit-amber);
    margin-top: var(--space-md);
}

.featured-post__read-more:hover {
    color: var(--iron-oxide);
}

.featured-post__read-more::after {
    content: '\2192';
    transition: transform var(--transition-fast);
}

.featured-post__read-more:hover::after {
    transform: translateX(4px);
}


/* ============================================
   Layout - Footer
   ============================================ */

.footer,
.site-footer {
    padding: var(--space-3xl) 0;
    border-top: 1px solid rgba(251, 249, 242, 0.06);
    margin-top: var(--space-4xl);
}

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

.footer__copyright,
.site-info {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer__links,
.footer-navigation {
    display: flex;
    gap: var(--space-xl);
}

.footer__link,
.footer-navigation a {
    font-size: 0.875rem;
    color: var(--circuit-amber);
    transition: color var(--transition-fast);
}

.footer__link:hover,
.footer-navigation a:hover {
    color: var(--iron-oxide);
}


/* ============================================
   Components - Buttons
   ============================================ */

.button,
.wp-block-button__link,
button[type="submit"],
input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--bg-primary);
    background: var(--circuit-amber);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.button:hover,
.wp-block-button__link:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
    background: var(--iron-oxide);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.button:active,
.wp-block-button__link:active {
    transform: translateY(0);
}

/* Outline variant */
.button--outline,
.wp-block-button.is-style-outline .wp-block-button__link {
    background: transparent;
    color: var(--circuit-amber);
    border: 2px solid var(--circuit-amber);
}

.button--outline:hover,
.wp-block-button.is-style-outline .wp-block-button__link:hover {
    background: var(--circuit-amber);
    color: var(--bg-primary);
}


/* ============================================
   Components - Forms
   ============================================ */

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
textarea,
select {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1px solid rgba(251, 249, 242, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    width: 100%;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--circuit-amber);
    box-shadow: 0 0 0 3px rgba(243, 147, 48, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

textarea {
    min-height: 150px;
    resize: vertical;
}


/* ============================================
   Components - Tables
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
}

th, td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid rgba(251, 249, 242, 0.08);
}

th {
    font-family: var(--font-headline);
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-elevated);
}

td {
    color: var(--text-secondary);
}

tr:hover td {
    background: rgba(251, 249, 242, 0.02);
}


/* ============================================
   Components - Images & Media
   ============================================ */

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

figure {
    margin: var(--space-2xl) 0;
}

figcaption,
.wp-element-caption {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--space-sm);
}

.wp-block-image.alignfull,
.wp-block-image.alignwide {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    max-width: 100vw;
    width: 100vw;
}

.wp-block-image.alignwide {
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}


/* ============================================
   Utilities
   ============================================ */

.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;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }


/* ============================================
   WordPress Block Editor Compatibility
   ============================================ */

/* Gutenberg color palette registration */
.has-circuit-amber-background-color { background-color: var(--circuit-amber); }
.has-deep-ultramarine-background-color { background-color: var(--deep-ultramarine); }
.has-deep-moss-background-color { background-color: var(--deep-moss); }
.has-iron-oxide-background-color { background-color: var(--iron-oxide); }
.has-bg-primary-background-color { background-color: var(--bg-primary); }
.has-bg-secondary-background-color { background-color: var(--bg-secondary); }
.has-bg-elevated-background-color { background-color: var(--bg-elevated); }

.has-circuit-amber-color { color: var(--circuit-amber); }
.has-deep-ultramarine-color { color: var(--deep-ultramarine); }
.has-deep-moss-color { color: var(--deep-moss); }
.has-iron-oxide-color { color: var(--iron-oxide); }
.has-text-primary-color { color: var(--text-primary); }
.has-text-secondary-color { color: var(--text-secondary); }
.has-text-muted-color { color: var(--text-muted); }


/* ============================================
   Responsive - Tablet & Mobile
   ============================================ */

@media (max-width: 768px) {
    .header__inner {
        height: calc(60px + 1.5rem);
        padding: 0.75rem 0;
    }
    
    .header__logo,
    .custom-logo {
        width: 60px;
        height: 60px;
    }
    
    .header__wordmark,
    .site-title {
        font-size: 1.25rem;
    }
    
    .header__menu-toggle,
    .menu-toggle {
        display: flex;
    }
    
    .header__nav,
    .main-navigation,
    .primary-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: calc(60px + 3rem) var(--space-xl) var(--space-xl);
        gap: 0;
        box-shadow: -4px 0 12px rgba(0,0,0,0.3);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }
    
    .header__nav.is-open,
    .main-navigation.is-open,
    .primary-menu.is-open {
        transform: translateX(0);
    }
    
    .header__nav-link,
    .main-navigation a,
    .primary-menu a {
        font-size: 1.125rem;
        padding: var(--space-md) 0;
        width: 100%;
        border-bottom: 1px solid rgba(251, 249, 242, 0.06);
    }
    
    .header__nav-link::after,
    .main-navigation a::after,
    .primary-menu a::after {
        display: none;
    }
    
    .hero,
    .site-hero {
        padding-top: calc(60px + 1.5rem + var(--space-3xl));
        min-height: auto;
    }
    
    .content-card,
    .entry-content {
        padding: var(--space-xl);
    }
    
    .featured-post {
        padding: var(--space-xl);
    }
    
    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__links,
    .footer-navigation {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    pre {
        padding: var(--space-md);
        font-size: 0.8125rem;
    }
    
    blockquote {
        padding: var(--space-md) var(--space-lg);
    }
}


/* ============================================
   WordPress-Specific Additions
   ============================================ */

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--circuit-amber);
    color: var(--bg-primary);
    padding: var(--space-sm) var(--space-md);
    z-index: 999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Navigation Menu WordPress Markup */
.header__nav ul,
.header__nav .nav-menu {
    list-style: none;
    display: flex;
    gap: var(--space-xl);
    margin: 0;
    padding: 0;
}

.header__nav li {
    margin: 0;
    padding: 0;
}

.header__nav li::before {
    display: none;
}

.header__nav .header__nav-link,
.header__nav a {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.header__nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--circuit-amber);
    transition: width var(--transition-base);
}

.header__nav a:hover {
    color: var(--text-primary);
}

.header__nav a:hover::after {
    width: 100%;
}

.header__nav .current-menu-item a,
.header__nav .current_page_item a {
    color: var(--text-primary);
}

.header__nav .current-menu-item a::after,
.header__nav .current_page_item a::after {
    width: 100%;
}

@media (max-width: 768px) {
    .header__nav ul,
    .header__nav .nav-menu {
        flex-direction: column;
        gap: 0;
    }

    .header__nav a {
        font-size: 1.125rem;
        padding: var(--space-md) 0;
        width: 100%;
        display: block;
        border-bottom: 1px solid rgba(251, 249, 242, 0.06);
    }

    .header__nav a::after {
        display: none;
    }
}

/* Footer Menu */
.footer__links ul,
.footer-menu {
    list-style: none;
    display: flex;
    gap: var(--space-xl);
    margin: 0;
    padding: 0;
}

.footer__links li,
.footer-menu li {
    margin: 0;
    padding: 0;
}

.footer__links li::before,
.footer-menu li::before {
    display: none;
}

/* Archive/Taxonomy Headers */
.archive-header,
.search-header {
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(251, 249, 242, 0.08);
}

.archive-title,
.search-title {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.archive-description {
    color: var(--text-secondary);
    max-width: 640px;
}

/* Search Results */
.search-form-container {
    margin-top: var(--space-xl);
    max-width: 500px;
}

.search-results-count {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--space-xl);
}

/* Search Form */
.search-form {
    display: flex;
    gap: var(--space-sm);
}

.search-field {
    flex: 1;
}

.search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
}

.search-submit svg {
    width: 20px;
    height: 20px;
}

/* Pagination */
.pagination {
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(251, 249, 242, 0.06);
}

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

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.pagination .page-numbers:hover {
    background: var(--circuit-amber);
    color: var(--bg-primary);
}

.pagination .page-numbers.current {
    background: var(--circuit-amber);
    color: var(--bg-primary);
}

.pagination .nav-prev,
.pagination .nav-next {
    font-family: var(--font-body);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(251, 249, 242, 0.08);
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.post-navigation .nav-next {
    text-align: right;
}

.post-navigation .nav-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--deep-moss);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.post-navigation a {
    font-size: 1rem;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .post-navigation {
        grid-template-columns: 1fr;
    }

    .post-navigation .nav-next {
        text-align: left;
    }
}

/* 404 Page */
.error-404 {
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-content {
    margin-bottom: var(--space-3xl);
}

.error-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.error-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.error-actions {
    margin-top: var(--space-xl);
}

.error-suggestions {
    text-align: left;
}

.error-suggestions h2 {
    margin-top: 0;
    margin-bottom: var(--space-lg);
}

.error-suggestions h3 {
    margin-top: var(--space-2xl);
}

/* Entry Footer */
.entry-footer {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(251, 249, 242, 0.06);
}

.entry-tags {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.tags-label {
    font-weight: 500;
    margin-right: var(--space-xs);
}

.entry-tags a {
    color: var(--circuit-amber);
}

.edit-link a {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.edit-link a:hover {
    color: var(--circuit-amber);
}

/* Archive Posts */
.archive-post {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(251, 249, 242, 0.06);
}

.archive-post:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.archive-post .entry-header {
    margin-bottom: var(--space-md);
    padding-bottom: 0;
    border-bottom: none;
}

.archive-post .entry-title {
    font-size: 1.375rem;
    margin-bottom: var(--space-xs);
}

.archive-post .entry-title a {
    color: var(--text-primary);
}

.archive-post .entry-title a:hover {
    color: var(--circuit-amber);
}

.archive-post .entry-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.archive-post .entry-summary {
    color: var(--text-secondary);
}

.archive-post .entry-footer {
    margin-top: var(--space-md);
    padding-top: 0;
    border-top: none;
}

.read-more-link {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Widget Styles */
.widget {
    margin-bottom: var(--space-2xl);
}

.widget-title {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--deep-moss);
}

.widget ul {
    list-style: none;
    padding: 0;
}

.widget li {
    padding-left: 0;
    margin-bottom: var(--space-sm);
}

.widget li::before {
    display: none;
}

.widget a {
    color: var(--circuit-amber);
    transition: color var(--transition-fast);
}

.widget a:hover {
    color: var(--iron-oxide);
}

/* Footer Widgets */
.footer__widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(251, 249, 242, 0.06);
}

.footer__widgets .widget a,
.site-footer .widget a,
.footer .widget a,
.footer__widgets a,
.site-footer .widget_archive a,
.site-footer .widget_categories a {
    color: var(--circuit-amber);
    transition: color var(--transition-fast);
}

.footer__widgets .widget a:hover,
.site-footer .widget a:hover,
.footer .widget a:hover,
.footer__widgets a:hover,
.site-footer .widget_archive a:hover,
.site-footer .widget_categories a:hover {
    color: var(--iron-oxide);
}

/* Page Links (multi-page posts) */
.page-links {
    margin-top: var(--space-xl);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.page-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 var(--space-sm);
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    margin: 0 var(--space-xs);
}

.page-links a:hover {
    background: var(--circuit-amber);
    color: var(--bg-primary);
}

/* Screen Reader Text */
.sr-only,
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.screen-reader-text:focus {
    position: static;
    width: auto;
    height: auto;
    padding: var(--space-sm) var(--space-md);
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background: var(--circuit-amber);
    color: var(--bg-primary);
}