/* 
Theme Name: Blocksy Child
Template: blocksy
*/

:root {
    /* 1. Color Palette */
    --color-charcoal: #1A202C;
    --color-charcoal-dark: #10151d;
    --color-paper: #F7FAFC;
    --color-amber: #F6AD55;
    --color-amber-dark: #DD6B20;
    /* Darker hover state */
    --color-blue-muted: #4A5568;
    --color-text-main: #2D3748;
    --color-text-meta: #718096;
    --color-green-terminal: #48BB78;
    --color-border: #E2E8F0;
    --color-white: #FFFFFF;

    /* 2. Typography */
    --font-body: 'Merriweather', serif;
    --font-heading: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;

    --size-base: 18px;
    --line-height-body: 1.7;
    --line-height-heading: 1.2;

    /* 3. Spacing Grid (8px base) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;

    /* 4. Layout */
    --container-width: 1200px;
    --reading-width: 750px;
    --header-height: 80px;
}

/* ---------------------------------------------------------
   Container Classes
--------------------------------------------------------- */
.sec-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.sec-container-wide {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.sec-container-narrow {
    max-width: var(--reading-width);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

/* Global Reset & Typography */
body {
    background-color: var(--color-paper);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: var(--size-base);
    line-height: var(--line-height-body);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-charcoal);
    font-weight: 700;
    line-height: var(--line-height-heading);
    margin-bottom: var(--space-3);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

/* Utility Classes */
.text-amber {
    color: var(--color-amber);
}

.bg-charcoal {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

.font-mono {
    font-family: var(--font-mono);
}

.uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Button Styles (Overriding Theme) */
.wp-block-button__link,
button,
input[type="submit"] {
    border-radius: 0 !important;
    /* Engineering look */
    font-family: var(--font-heading) !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    padding: 12px 24px !important;
    transition: all 0.2s ease !important;
}

.is-style-outline .wp-block-button__link {
    border: 2px solid var(--color-amber) !important;
    color: var(--color-amber) !important;
    background: transparent !important;
}

.is-style-outline .wp-block-button__link:hover {
    background: var(--color-amber) !important;
    color: var(--color-charcoal) !important;
}

/* Links */
a {
    color: var(--color-amber-dark);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

a:hover {
    border-bottom-color: currentColor;
}

/* ---------------------------------------------------------
   5. Global Components (Header & Footer)
--------------------------------------------------------- */

/* Header */
.site-header {
    background-color: var(--color-charcoal) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header>.sec-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* Site Branding - Logo & Site Name */
.site-branding {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.site-branding .custom-logo-link {
    display: block;
    flex-shrink: 0;
}

.site-branding .custom-logo,
.site-branding img {
    max-height: 50px;
    width: auto;
    height: auto;
}

.site-branding .site-title {
    margin: 0;
    font-size: 1.25rem;
    display: block !important;
}

.site-branding .site-title a {
    color: var(--color-white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Main Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation .menu {
    display: flex;
    gap: var(--space-3);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header .ct-header-content {
    height: var(--header-height);
}

/* Navigation Links */
.site-header .menu>li>a {
    font-family: var(--font-heading);
    color: var(--color-white) !important;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.site-header .menu>li>a:hover {
    color: var(--color-amber) !important;
    text-decoration: underline;
    text-decoration-color: var(--color-amber);
    text-underline-offset: 4px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
}

.menu-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    margin: 5px 0;
}

/* Mobile Responsive Header */
@media (max-width: 767px) {
    .site-header>.sec-container {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: block;
    }

    .main-navigation .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: var(--space-2) 0;
    }

    .main-navigation.toggled .menu {
        display: flex;
    }
}

/* Mobile Menu Trigger */
.ct-header-trigger {
    color: var(--color-amber) !important;
}

/* Footer */
.site-footer {
    background-color: var(--color-charcoal) !important;
    color: var(--color-text-meta);
    border-top: 4px solid var(--color-amber);
    padding: var(--space-6) 0 var(--space-3);
}

.sec-footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.sec-footer-brand {
    max-width: 300px;
}

.sec-footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

.sec-footer-tagline {
    color: var(--color-text-meta);
    font-size: 0.95rem;
    line-height: 1.5;
}

.sec-footer-nav {
    display: flex;
    gap: var(--space-6);
}

.sec-footer-section h4 {
    color: var(--color-amber);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.sec-footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sec-footer-section li {
    margin-bottom: var(--space-1);
}

.sec-footer-section a {
    color: var(--color-white);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.sec-footer-section a:hover {
    color: var(--color-amber);
}

.sec-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-3);
    text-align: center;
}

.sec-footer-bottom p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-meta);
}

/* Footer Mobile Responsive */
@media (max-width: 767px) {
    .sec-footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .sec-footer-nav {
        flex-direction: column;
        gap: var(--space-4);
    }
}

/* ---------------------------------------------------------
   6. Homepage Components
--------------------------------------------------------- */

/* ===== SEC-HERO: Homepage/Category Hero Section ===== */
.sec-hero {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: center;
    background-color: var(--color-charcoal);
}

.sec-hero-visual {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Dark Overlay for Readability */
.sec-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(45, 55, 72, 0.75) 0%,
            rgba(45, 55, 72, 0.85) 100%);
    z-index: 1;
}

/* Hero Content Container */
.sec-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-5) 0;
}

/* Site Brand Name */
.sec-hero-brand {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-amber);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-1);
}

/* Site Name / Hero Title */
.sec-hero-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-2);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Tagline / Subtitle */
.sec-hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--space-4);
    line-height: 1.6;
}

/* ===== Search Container ===== */
.sec-search-container {
    max-width: 500px;
    margin: 0 auto;
}

.sec-search-form {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.sec-search-form label {
    flex: 1;
    display: flex;
}

.sec-search-field {
    flex: 1;
    width: 100%;
    border: none;
    padding: 14px 24px;
    font-size: 1rem;
    color: var(--color-charcoal);
    background: transparent;
    outline: none;
}

.sec-search-field::placeholder {
    color: var(--color-text-meta);
}

.sec-search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    background: var(--color-amber);
    border: none;
    cursor: pointer;
    color: var(--color-charcoal);
    transition: background-color var(--transition-fast);
}

.sec-search-submit:hover {
    background: #e6a800;
}

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


/* Add spacing above article grid to compensate for hidden heading */
.sec-discovery {
    margin-top: var(--space-6);
}

/* ===== Article Grid Layout ===== */
.sec-masonry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 1200px) {
    .sec-masonry-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Article Card Styling */
.sec-grid-item {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sec-grid-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.sec-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.sec-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.sec-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.sec-grid-item:hover .sec-card-image img {
    transform: scale(1.05);
}

.sec-card-content {
    padding: var(--space-3);
}

.sec-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-amber-dark);
    margin-bottom: var(--space-1);
}

.sec-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-2);
    color: var(--color-charcoal);
}

.sec-card-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-main);
    line-height: 1.5;
    margin-bottom: var(--space-2);
}

.sec-card-excerpt p {
    margin: 0;
}

.sec-card-meta {
    font-size: 0.85rem;
    color: var(--color-amber-dark);
    font-weight: 600;
}

/* Responsive: Single column on mobile */
@media (max-width: 767px) {
    .sec-masonry-grid {
        grid-template-columns: 1fr;
    }

    .sec-card-title {
        font-size: 1.1rem;
    }
}

/* View All Button */
.sec-view-all {
    text-align: center;
    margin-top: var(--space-5);
}

.sec-button {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.sec-button-outline {
    border: 2px solid var(--color-amber);
    color: var(--color-amber-dark);
    background: transparent;
}

.sec-button-outline:hover {
    background: var(--color-amber);
    color: var(--color-charcoal);
}

/* Mobile Hero Adjustments */
@media (max-width: 767px) {
    .sec-hero {
        min-height: 300px;
    }

    .sec-hero-title {
        font-size: 1.75rem;
    }

    .sec-hero-subtitle {
        font-size: 1rem;
    }

    .sec-search-field {
        padding: 12px 18px;
        font-size: 0.9rem;
    }

}

/* Hero Section (.hero-technical) */
.hero-technical {
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-technical::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 32, 44, 0.95) 0%, rgba(26, 32, 44, 0.7) 100%);
    z-index: 1;
}

.hero-technical .wp-block-cover__inner-container {
    z-index: 2;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-4);
}

.hero-technical h1 {
    color: var(--color-white);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--space-2);
}

.hero-technical p {
    color: var(--color-text-meta);
    font-size: 1.25rem;
    max-width: 600px;
}

/* Trust Bar (.trust-bar) */
.trust-bar {
    background-color: var(--color-charcoal-dark);
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-bar .wp-block-column {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.trust-bar-icon {
    font-size: 2rem;
    color: var(--color-amber);
}

.trust-bar-text strong {
    display: block;
    color: var(--color-white);
    font-size: 1.5rem;
    line-height: 1;
}

.trust-bar-text span {
    color: var(--color-text-meta);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Content Pillars (.technical-card-grid) */
.technical-card-grid {
    margin-top: var(--space-4);
}

.technical-card-grid .wp-block-post {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    /* Slight rounding */
    transition: transform 0.2s ease;
}

.technical-card-grid .wp-block-post:hover {
    transform: translateY(-4px);
}

/* Image Overlay */
.technical-card-grid .wp-block-post-featured-image img {
    filter: brightness(0.4) contrast(1.2) grayscale(0.3);
    transition: filter 0.3s ease;
    height: 300px;
    object-fit: cover;
}

.technical-card-grid .wp-block-post:hover .wp-block-post-featured-image img {
    filter: brightness(0.5) contrast(1.1) grayscale(0);
}

/* Title Overlay */
.technical-card-grid .wp-block-post-title {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    z-index: 10;
    margin: 0;
}

.technical-card-grid .wp-block-post-title a {
    color: var(--color-amber) !important;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    line-height: 1.3;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    background: transparent;
}

.technical-card-grid .wp-block-post-title a:hover {
    color: var(--color-white) !important;
    text-decoration: none;
}

/* ---------------------------------------------------------
   7. Single Post Components
--------------------------------------------------------- */

/* Sticky Sidebar Layout */
/* Sticky Sidebar Layout - Refactored to CSS Grid */
.sec-article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    position: relative;
    /* Ensure containment */
}

@media (min-width: 1024px) {
    .sec-article-grid {
        grid-template-columns: minmax(0, 1fr) 300px;
        /* Default: Content Left, Sidebar Right */
        align-items: start;
    }

    /* Move Sidebar to Left for strict engineering look */
    .sec-article-grid {
        grid-template-columns: 280px minmax(0, 1fr);
    }

    /* Order change: Sidebar first in DOM or Order property */
    .sec-article-sidebar {
        order: -1;
        position: sticky;
        top: calc(var(--header-height) + var(--space-4));
        height: fit-content;
        max-height: calc(100vh - 150px);
        overflow-y: auto;
        /* Clean scrollbar */
        padding-right: var(--space-3);
        border-right: 1px solid var(--color-border);
    }

    .sec-article-main {
        max-width: 800px;
        /* Optimal reading width */
        margin: 0 auto;
        /* Center content in its column */
        width: 100%;
    }
}

/* Legacy Flex Support Removal (Safe to override) */
@media (min-width: 1024px) {
    .site-content {
        display: block;
        /* Reset flex */
    }

    .content-area,
    .widget-area {
        width: 100%;
        max-width: none;
    }
}

/* TL;DR Box (.is-style-tldr-box) */
.is-style-tldr-box {
    background-color: var(--color-paper);
    border-left: 6px solid var(--color-amber);
    padding: var(--space-3);
    margin-bottom: var(--space-4);
}

.is-style-tldr-box strong {
    display: block;
    color: var(--color-charcoal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

/* Spec Table (.is-style-spec-table) */
.is-style-spec-table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.is-style-spec-table thead th {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--space-2);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
}

.is-style-spec-table tbody tr:nth-child(odd) {
    background-color: var(--color-paper);
}

.is-style-spec-table tbody tr:nth-child(even) {
    background-color: var(--color-white);
}

.is-style-spec-table td {
    padding: var(--space-2);
    border: 1px solid var(--color-border);
    color: var(--color-charcoal);
}

.is-style-spec-table strong {
    color: var(--color-amber-dark);
}

/* Global Context Note Widget */
.context-note {
    background-color: var(--color-charcoal);
    border-top: 4px solid var(--color-amber);
    padding: var(--space-3);
    color: var(--color-white);
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.context-note h4 {
    color: var(--color-amber);
    font-size: 1rem;
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: 8px;
}

.context-note p {
    margin-bottom: var(--space-2);
    line-height: 1.5;
}

.context-note .flag {
    font-size: 1.2em;
}

/* ---------------------------------------------------------
   8. Responsive Adjustments
--------------------------------------------------------- */

@media (max-width: 1023px) {

    /* Stack Grid on Tablet/Mobile */
    .sec-article-grid {
        grid-template-columns: 1fr;
    }

    .sec-article-sidebar {
        display: none;
        /* Hide desktop TOC on mobile */
        order: 0;
        position: static;
        border-right: none;
        padding-right: 0;
    }

    .sec-article-main {
        max-width: 100%;
    }
}

@media (max-width: 767px) {

    /* Typography */
    :root {
        --size-base: 16px;
        /* Slightly smaller for mobile */
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    /* Hero */
    .hero-technical {
        min-height: 400px;
    }

    .hero-technical h1 {
        font-size: 2.5rem;
    }

    /* Trust Bar */
    .trust-bar .wp-block-column {
        flex-direction: column;
        text-align: center;
        margin-bottom: var(--space-3);
    }

    /* Content Pillars */
    .technical-card-grid .wp-block-post-featured-image img {
        height: 200px;
    }
}

/* ---------------------------------------------------------
   9. Accessibility Enhancements
--------------------------------------------------------- */

/* Font Size Toggle Widget */
.font-size-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    /* Push to right in flex container */
    padding-left: 20px;
}

.font-size-toggle .toggle-label {
    color: var(--color-text-meta);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.font-size-toggle button {
    background: transparent !important;
    border: 1px solid var(--color-blue-muted) !important;
    color: var(--color-white) !important;
    padding: 4px 8px !important;
    font-family: var(--font-heading) !important;
    line-height: 1 !important;
    min-width: 32px;
    cursor: pointer;
}

.font-size-toggle button:hover,
.font-size-toggle button.active {
    background: var(--color-amber) !important;
    border-color: var(--color-amber) !important;
    color: var(--color-charcoal) !important;
}

/* Button Sizing Visuals */
.font-size-toggle button[data-size="small"] {
    font-size: 12px;
}

.font-size-toggle button[data-size="medium"] {
    font-size: 16px;
}

.font-size-toggle button[data-size="large"] {
    font-size: 20px;
}

/* Body Class Overrides */
body.font-size-small {
    --size-base: 16px;
}

body.font-size-medium {
    --size-base: 18px;
}

/* Default */
body.font-size-large {
    --size-base: 20px;
}

/* ---------------------------------------------------------
   10. Table Icon Indicators
--------------------------------------------------------- */

.icon-yes::before,
.icon-no::before,
.icon-warn::before {
    display: inline-block;
    margin-right: 8px;
    font-style: normal;
}

.icon-yes::before {
    content: '✅';
}

.icon-no::before {
    content: '❌';
}

.icon-warn::before {
    content: '⚠️';
}

/* Auto-detect common text (Optional) */
.is-style-spec-table td:contains("Yes")::before {
    content: '✅ ';
}

/* Auto-detect common text (Optional) */
.is-style-spec-table td:contains("Yes")::before {
    content: '✅ ';
}

/* Note: :contains is not standard CSS, using classes is safer */

/* ---------------------------------------------------------
   11. UX Refinement: Header Optimization
--------------------------------------------------------- */

/* Hide default theme featured image/hero on single posts to prevent duplication */
.single-post .ct-hero-section,
.single-post .hero-section,
.single-post .ct-featured-image {
    display: none !important;
}

/* Tighten spacing between Title and Content */
.single-post .entry-header {
    margin-bottom: var(--space-2) !important;
}

.single-post .entry-content {
    margin-top: 0 !important;
}

/* ---------------------------------------------------------
   12. SEO-First Article Header (Minimalist)
--------------------------------------------------------- */

/* SEO Header - Maximum Content Visibility */
.sec-header-seo {
    background-color: var(--color-paper);
    padding: var(--space-2) 0 var(--space-3);
    border-bottom: 2px solid var(--color-amber);
    margin-bottom: var(--space-3);
}

/* Minimalist Breadcrumb */
.sec-breadcrumb {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-text-meta);
    margin-bottom: var(--space-1);
}

.sec-breadcrumb a {
    color: var(--color-text-meta);
    text-decoration: none;
}

.sec-breadcrumb a:hover {
    color: var(--color-amber);
    text-decoration: underline;
}

.sec-breadcrumb .sep {
    margin: 0 6px;
    color: var(--color-border);
}

/* Title - Full width, prominent */
.sec-title-seo {
    font-size: 1.75rem;
    line-height: 1.25;
    margin: 0 0 var(--space-1);
    color: var(--color-charcoal);
    font-weight: 700;
}

/* Meta - Below title, compact */
.sec-meta-seo {
    font-family: var(--font-heading);
    color: var(--color-text-meta);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sec-meta-seo .sep {
    color: var(--color-amber);
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .sec-title-seo {
        font-size: 1.4rem;
    }

    .sec-breadcrumb {
        font-size: 0.75rem;
    }

    .sec-meta-seo {
        font-size: 0.7rem;
    }
}

/* DEPRECATED: Previous header styles */
.sec-article-header-compact {
    display: none;
}

/* Header Row: Category + Meta aligned */
.sec-header-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

/* Category Badge - Compact inline version */
.sec-article-header-compact .sec-article-category {
    display: inline-block;
    background-color: var(--color-amber);
    color: var(--color-charcoal);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Meta - Inline with category */
.sec-article-header-compact .sec-article-meta {
    font-family: var(--font-heading);
    color: var(--color-text-meta);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.sec-article-header-compact .sec-article-meta .sep {
    color: var(--color-amber);
}

/* Title - Clean, readable, on light background */
.sec-article-title-compact {
    font-size: 2.5rem;
    line-height: 1.15;
    margin: 0;
    color: var(--color-charcoal);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Optional: Small Thumbnail floated right */
.sec-header-thumbnail {
    float: right;
    width: 180px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    margin-left: var(--space-3);
    margin-bottom: var(--space-2);
    border: 1px solid var(--color-border);
}

/* Mobile Responsive */
@media (max-width: 767px) {
    .sec-article-header-compact {
        padding: var(--space-3) 0 var(--space-2);
    }

    .sec-article-title-compact {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .sec-header-thumbnail {
        float: none;
        width: 100%;
        height: 200px;
        margin: var(--space-2) 0;
    }
}

/* DEPRECATED: Old Hero Overlay Header */
.sec-article-header {
    display: none;
    /* Hidden - replaced by compact header */
}

.sec-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.sec-header-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sec-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(26, 32, 44, 0.3) 0%, rgba(26, 32, 44, 0.8) 70%, rgba(26, 32, 44, 0.95) 100%);
    z-index: 2;
}

.sec-header-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

/* Article Header Typography (Overlay Version) */
.sec-article-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--space-2);
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    background: none;
    /* Remove previous gradient */
    -webkit-text-fill-color: initial;
    /* Reset */
    background-clip: border-box;
    /* Reset */
}

.sec-article-meta {
    font-family: var(--font-heading);
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.sec-article-meta .sep {
    color: var(--color-amber);
}

.sec-article-category {
    display: inline-block;
    background-color: var(--color-amber);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Key Takeaways Box - Fresh Look */
.sec-key-takeaways {
    background: linear-gradient(to right, #fff, #f8fcfd);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-amber);
    border-radius: 8px;
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.sec-key-takeaways-icon {
    color: var(--color-amber);
    flex-shrink: 0;
    padding-top: 4px;
}

.sec-key-takeaways-content {
    flex: 1;
}

.sec-key-takeaways-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-1);
    color: var(--color-charcoal);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sec-key-takeaways p {
    margin: 0;
    font-size: 1rem;
    color: var(--color-text-main);
    line-height: 1.6;
}


/* Technical Header Pattern Styles */
.technical-header-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-3);
}

@media (min-width: 768px) {
    .technical-header-grid {
        grid-template-columns: 2fr 1fr;
        /* Content left, Data right */
        align-items: start;
    }
}

.technical-meta-box {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: var(--space-2);
    font-size: 0.85rem;
}

.technical-meta-box strong {
    display: block;
    color: var(--color-text-meta);
    text-transform: uppercase;
    font-size: 0.75rem;
    margin-bottom: 4px;
}

/* ---------------------------------------------------------
   TOC Styling (Sidebar)
--------------------------------------------------------- */

.sec-toc {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-3);
}

.sec-toc-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-charcoal);
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-1);
    border-bottom: 2px solid var(--color-amber);
}

.sec-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sec-toc-list li {
    margin-bottom: var(--space-1);
}

.sec-toc-list a {
    display: block;
    color: var(--color-text-main);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    padding: 4px 0;
    transition: color 0.2s, padding-left 0.2s;
    border: none;
}

.sec-toc-list a:hover {
    color: var(--color-amber-dark);
    padding-left: 8px;
    border: none;
}

.sec-toc-level-2 {
    padding-left: var(--space-2);
    font-size: 0.85rem;
}

.sec-toc-level-2 a {
    color: var(--color-text-meta);
}

/* ---------------------------------------------------------
   Mobile TOC (Hidden on Desktop)
--------------------------------------------------------- */

/* Hide mobile TOC on desktop - sidebar TOC is used instead */
.sec-toc-mobile {
    display: none;
}

/* Show mobile TOC only on smaller screens */
@media (max-width: 1023px) {
    .sec-toc-mobile {
        display: block;
        background: var(--color-paper);
        border: 1px solid var(--color-border);
        border-radius: 8px;
        margin: var(--space-4) 0;
        overflow: hidden;
    }

    .sec-toc-mobile-toggle {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--space-3);
        background: var(--color-white);
        border: none;
        font-family: var(--font-heading);
        font-size: 1rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        cursor: pointer;
        transition: background 0.2s;
    }

    .sec-toc-mobile-toggle:hover {
        background: var(--color-paper);
    }

    .sec-toc-mobile-toggle svg {
        transition: transform 0.3s;
    }

    .sec-toc-mobile-toggle.active svg {
        transform: rotate(180deg);
    }

    .sec-toc-mobile-nav {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .sec-toc-mobile-nav.active {
        max-height: 1000px;
        padding: var(--space-2) var(--space-3) var(--space-3);
    }

    .sec-toc-mobile .sec-toc-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .sec-toc-mobile .sec-toc-list li {
        margin-bottom: var(--space-1);
    }

    .sec-toc-mobile .sec-toc-list a {
        color: var(--color-text-main);
        text-decoration: none;
        font-size: 0.95rem;
        transition: color 0.2s;
    }

    .sec-toc-mobile .sec-toc-list a:hover {
        color: var(--color-amber-dark);
    }

    .sec-toc-mobile .sec-toc-level-2 {
        padding-left: var(--space-2);
    }
}

/* ---------------------------------------------------------
   13. Related Articles Section (SEO Internal Linking)
--------------------------------------------------------- */

.sec-related-articles {
    background: var(--color-charcoal);
    padding: var(--space-6) 0;
    margin-top: var(--space-6);
}

.sec-related-header {
    text-align: center;
    margin-bottom: var(--space-4);
}

.sec-related-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

.sec-related-title svg {
    color: var(--color-amber);
}

.sec-related-subtitle {
    color: var(--color-text-meta);
    font-size: 1rem;
    margin: 0;
}

.sec-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.sec-related-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sec-related-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

.sec-related-link {
    display: block;
    text-decoration: none;
    color: inherit;
    border: none;
}

.sec-related-link:hover {
    border: none;
}

.sec-related-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.sec-related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.sec-related-card:hover .sec-related-image img {
    transform: scale(1.08);
}

.sec-related-content {
    padding: var(--space-3);
}

.sec-related-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-charcoal);
    margin-bottom: var(--space-1);
    transition: color 0.2s ease;
}

.sec-related-card:hover .sec-related-card-title {
    color: var(--color-amber-dark);
}

.sec-related-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-main);
    line-height: 1.5;
    margin-bottom: var(--space-2);
}

.sec-related-read-more {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-amber-dark);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: color 0.2s ease;
}

.sec-related-card:hover .sec-related-read-more {
    color: var(--color-amber);
}

.sec-related-category {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-amber-dark);
    margin-bottom: var(--space-1);
}

/* Responsive: 2 columns on tablet */
@media (max-width: 1023px) {
    .sec-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive: 1 column on mobile */
@media (max-width: 767px) {
    .sec-related-articles {
        padding: var(--space-4) 0;
        margin-top: var(--space-4);
    }

    .sec-related-grid {
        grid-template-columns: 1fr;
    }

    .sec-related-title {
        font-size: 1.25rem;
    }

    .sec-related-card-title {
        font-size: 1rem;
    }
}

/* ---------------------------------------------------------
   14. Directories Hub UI Refresh
--------------------------------------------------------- */

.category-directories .sec-article-content .sec-directories-home,
.post-1431 .sec-article-content .sec-directories-home {
    max-width: 980px;
    margin: var(--space-2) auto 0;
    padding: clamp(24px, 5vw, 40px);
    border-radius: 18px;
    border: 1px solid #d4e3ee;
    background:
        radial-gradient(900px 260px at 8% -18%, rgba(246, 173, 85, 0.22), transparent 62%),
        radial-gradient(760px 240px at 94% 118%, rgba(26, 32, 44, 0.08), transparent 55%),
        linear-gradient(160deg, #ffffff 0%, #f3f9ff 100%);
    box-shadow: 0 18px 34px rgba(16, 21, 29, 0.09);
}

.category-directories .sec-article-content .sec-directories-home h1,
.post-1431 .sec-article-content .sec-directories-home h1 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.45rem);
    line-height: 1.08;
    color: var(--color-charcoal);
    letter-spacing: -0.015em;
}

.category-directories .sec-article-content .sec-directories-home > p,
.post-1431 .sec-article-content .sec-directories-home > p {
    margin: 12px 0 0;
    max-width: 780px;
    font-size: 1.05rem;
    color: #425269;
    line-height: 1.65;
}

.category-directories .sec-article-content .sec-directory-links,
.post-1431 .sec-article-content .sec-directory-links {
    list-style: none;
    padding: 0;
    margin: 26px 0 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.category-directories .sec-article-content .sec-directory-links li,
.post-1431 .sec-article-content .sec-directory-links li {
    position: relative;
    margin: 0;
    padding: 18px 18px 16px;
    border: 1px solid #cfe0ec;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(16, 21, 29, 0.05);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.category-directories .sec-article-content .sec-directory-links li::before,
.post-1431 .sec-article-content .sec-directory-links li::before {
    content: "Directory";
    display: inline-block;
    margin-bottom: 8px;
    padding: 3px 9px;
    border-radius: 999px;
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #73420a;
    background: #ffe7c7;
}

.category-directories .sec-article-content .sec-directory-links li:hover,
.post-1431 .sec-article-content .sec-directory-links li:hover {
    transform: translateY(-3px);
    border-color: #f6ad55;
    box-shadow: 0 15px 28px rgba(16, 21, 29, 0.12);
}

.category-directories .sec-article-content .sec-directory-links a,
.post-1431 .sec-article-content .sec-directory-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-bottom: 0;
    font-family: var(--font-heading);
    font-size: 1.12rem;
    font-weight: 700;
    color: #13263b;
}

.category-directories .sec-article-content .sec-directory-links a::after,
.post-1431 .sec-article-content .sec-directory-links a::after {
    content: "→";
    display: inline-block;
    color: #dd6b20;
    transform: translateX(0);
    transition: transform 0.2s ease;
}

.category-directories .sec-article-content .sec-directory-links li:hover a::after,
.post-1431 .sec-article-content .sec-directory-links li:hover a::after {
    transform: translateX(4px);
}

.category-directories .sec-article-content .sec-directory-links span,
.post-1431 .sec-article-content .sec-directory-links span {
    display: block;
    margin-top: 8px;
    color: #5a6c82;
    font-size: 0.96rem;
    line-height: 1.55;
}

@media (max-width: 920px) {
    .category-directories .sec-article-content .sec-directory-links,
    .post-1431 .sec-article-content .sec-directory-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .category-directories .sec-article-content .sec-directories-home,
    .post-1431 .sec-article-content .sec-directories-home {
        margin-top: var(--space-1);
        border-radius: 14px;
        padding: 20px 16px;
    }

    .category-directories .sec-article-content .sec-directory-links li,
    .post-1431 .sec-article-content .sec-directory-links li {
        padding: 15px 14px;
        border-radius: 12px;
    }
}