/*
Theme Name: Aaru Tech
Theme URI: https://github.com/aarutech/aaru-tech
Author: Aaru Tech
Description: Powerful, responsive, industry-standard WordPress theme featuring dynamic sidebar layouts, accessible navigation, multi-column footers, and deep Elementor/Gutenberg compatibility.
Version: 2.1.0
Requires at least: 6.4
Requires PHP: 8.1
Text Domain: aaru-tech
*/

/* ==========================================================================
   1. Design Tokens & CSS Variables
   ========================================================================== */
:root {
    --at-container: 1240px;
    --at-wide: 1440px;
    --at-content: 800px;
    --at-sidebar: 320px;
    --at-gutter: 24px;
    --at-header-height: 80px;
    --at-section-spacing: 80px;

    /* Brand Tokens */
    --at-primary: #155eef;
    --at-primary-hover: #004eeb;
    --at-primary-active: #003dbb;
    --at-primary-subtle: rgba(21, 94, 239, 0.08);
    --at-brand: var(--at-primary);
    --at-brand-hover: var(--at-primary-hover);
    --at-brand-active: var(--at-primary-active);
    --at-brand-subtle: var(--at-primary-subtle);

    --at-secondary: #101828;
    --at-secondary-light: #1e293b;

    /* Text Tokens */
    --at-text: #344054;
    --at-heading: #101828;
    --at-muted: #667085;
    --at-text-primary: var(--at-heading);
    --at-text-secondary: var(--at-text);
    --at-text-muted: var(--at-muted);

    /* Surfaces */
    --at-bg: #ffffff;
    --at-bg-soft: #f8fafc;
    --at-bg-muted: #f2f4f7;
    --at-surface: var(--at-bg);
    --at-surface-subtle: var(--at-bg-soft);
    --at-surface-muted: var(--at-bg-muted);

    /* Borders */
    --at-border: #e4e7ec;
    --at-border-dark: #d0d5dd;
    --at-border-strong: var(--at-border-dark);

    /* States & Feedback */
    --at-success: #039855;
    --at-warning: #f79009;
    --at-danger: #d92d20;
    --at-info: #0284c7;

    /* Radii */
    --at-radius-xs: 6px;
    --at-radius-sm: 10px;
    --at-radius: 14px;
    --at-radius-lg: 20px;
    --at-radius-full: 9999px;

    /* Elevation Shadows */
    --at-shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.08);
    --at-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
    --at-shadow-lg: 0 20px 40px rgba(16, 24, 40, 0.12);

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

    /* Typography Scale */
    --at-font-display: clamp(2.5rem, 5vw, 4rem);
    --at-font-h1: clamp(2.2rem, 4.5vw, 3.5rem);
    --at-font-h2: clamp(1.8rem, 3.2vw, 2.75rem);
    --at-font-h3: clamp(1.35rem, 2.2vw, 1.85rem);
    --at-font-h4: 1.25rem;
    --at-font-h5: 1.1rem;
    --at-font-h6: 1rem;
    --at-font-small: 0.875rem;
    --at-font-caption: 0.75rem;

    --at-font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --at-font-heading: var(--at-font-body);
}

/* Accessibility & Screen Readers */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute !important;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus,
.skip-link:focus {
    background-color: var(--at-bg);
    border: 2px solid var(--at-primary);
    border-radius: var(--at-radius-xs);
    box-shadow: var(--at-shadow);
    clip: auto !important;
    clip-path: none;
    color: var(--at-primary);
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 20px;
    line-height: normal;
    padding: 14px 20px;
    text-decoration: none;
    top: 20px;
    width: auto;
    z-index: 100000;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    color: var(--at-text);
    background: var(--at-bg);
    font-family: var(--at-font-body);
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.at-drawer-open {
    overflow: hidden;
}

body, button, input, textarea, select {
    font-family: var(--at-font-body);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.65em;
    color: var(--at-heading);
    font-family: var(--at-font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.85rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin: 0 0 1.2em; }
ul, ol { margin-block: 0 1.25em; }
a { color: var(--at-primary); text-underline-offset: 3px; }
a:hover { color: var(--at-primary-hover); }
img, svg, video { max-width: 100%; height: auto; vertical-align: middle; }
iframe { max-width: 100%; }
button, input, textarea, select { font-size: inherit; }
button { cursor: pointer; }

::selection {
    background: rgba(21, 94, 239, 0.18);
}

/* ==========================================================================
   2. Layout & Containers (GSAP & ScrollTrigger Friendly)
   ========================================================================== */
#page.site {
    overflow-x: clip; /* Modern ScrollTrigger-safe containment that prevents scroll hijacking */
    position: relative;
}

/* GSAP Declarative Animation Utilities */
.at-gsap-enabled .gsap-fade-up,
.at-gsap-enabled [data-gsap="fade-up"],
.at-gsap-enabled .gsap-fade-in,
.at-gsap-enabled [data-gsap="fade-in"] {
    will-change: transform, opacity;
}

/* Progressive Enhancement Fallback */
.no-js .gsap-fade-up,
.no-js .gsap-fade-in,
.no-js [data-gsap] {
    opacity: 1 !important;
    transform: none !important;
}

/* Optional ScrollSmoother / Smooth Scrolling Viewport Support */
.at-smooth-wrapper {
    overflow: hidden;
    position: fixed;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.at-smooth-content {
    overflow: visible;
    width: 100%;
}

.at-container {
    width: min(calc(100% - (var(--at-gutter) * 2)), var(--at-container));
    margin-inline: auto;
}

.at-container--wide {
    width: min(calc(100% - (var(--at-gutter) * 2)), var(--at-wide));
}

.at-container--narrow {
    width: min(calc(100% - (var(--at-gutter) * 2)), var(--at-content));
}

.at-content {
    width: min(100%, var(--at-content));
}

.at-site-main {
    min-height: 55vh;
    padding-bottom: var(--at-space-16);
}

/* Layout Grid Wrapper (Sidebar + Main) */
.at-layout-wrapper {
    display: grid;
    gap: 40px;
    align-items: start;
    margin-top: 32px;
}

.at-layout-right-sidebar {
    grid-template-columns: minmax(0, 1fr) 340px;
}

.at-layout-left-sidebar {
    grid-template-columns: 340px minmax(0, 1fr);
}

.at-layout-no-sidebar,
.at-layout-no-sidebar-wide,
.at-layout-canvas {
    grid-template-columns: 100%;
}

.at-content-area {
    min-width: 0;
}

.at-narrow-layout {
    max-width: var(--at-content, 800px);
    margin-inline: auto;
}

/* Accessibility */
.at-skip-link {
    position: fixed;
    left: 16px;
    top: 16px;
    z-index: 99999;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--at-heading);
    color: #fff;
    font-weight: 600;
    transform: translateY(-200%);
    transition: transform 0.2s ease;
}

.at-skip-link:focus {
    transform: translateY(0);
    color: #fff;
}

.screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   3. Header & Navigation
   ========================================================================== */
.at-site-header {
    position: relative;
    z-index: 1000;
    min-height: var(--at-header-height);
    background: #ffffff;
    border-bottom: 1px solid var(--at-border);
    transition: background-color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

/* Sticky Header */
.at-has-sticky-header .at-site-header {
    position: sticky;
    top: 0;
}

.at-has-sticky-header .at-site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(16, 24, 40, 0.06);
    border-bottom-color: rgba(228, 231, 236, 0.6);
}

/* Transparent Header */
.at-header-transparent .at-site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.at-header-transparent .at-site-header.is-scrolled {
    position: fixed;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--at-border);
}

.at-site-header-inner {
    min-height: var(--at-header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

/* Branding */
.at-site-branding {
    display: flex;
    flex-direction: column;
}

.at-site-title {
    color: var(--at-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.at-site-description {
    margin: 2px 0 0;
    color: var(--at-muted);
    font-size: 0.8rem;
}

.at-site-branding img,
.at-site-branding .custom-logo {
    max-height: 48px;
    width: auto;
    display: block;
}

/* Navigation */
.at-header-nav-wrapper {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}

.at-primary-navigation ul.at-nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.at-primary-navigation li {
    position: relative;
}

.at-primary-navigation a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 28px 0;
    color: var(--at-text);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.18s ease;
}

.at-primary-navigation a:hover,
.at-primary-navigation .current-menu-item > a,
.at-primary-navigation .current-menu-ancestor > a {
    color: var(--at-primary);
}

/* Sub-menus */
.at-primary-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: -16px;
    min-width: 230px;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-sm);
    box-shadow: var(--at-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    list-style: none;
    z-index: 1001;
}

.at-primary-navigation li:hover > .sub-menu,
.at-primary-navigation li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.at-primary-navigation .sub-menu a {
    padding: 9px 12px;
    border-radius: var(--at-radius-xs);
    font-size: 0.9rem;
    font-weight: 500;
}

.at-primary-navigation .sub-menu a:hover {
    background: var(--at-bg-soft);
    color: var(--at-primary);
}

/* Header Actions */
.at-header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.at-header-cta {
    white-space: nowrap;
}

/* Centered Header Variant */
.at-header-centered .at-site-header-inner {
    flex-direction: column;
    padding-block: 16px;
    gap: 16px;
}

.at-header-centered .at-header-nav-wrapper {
    margin-left: 0;
}

/* Mobile Hamburger Toggle */
.at-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-xs);
    padding: 8px 10px;
    cursor: pointer;
    color: var(--at-heading);
}

.at-menu-toggle:hover {
    background: var(--at-bg-soft);
}

.at-menu-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 20px;
}

.at-menu-toggle-icon span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.2s ease;
}

/* ==========================================================================
   4. Mobile Navigation Drawer
   ========================================================================== */
.at-mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    visibility: hidden;
    transition: visibility 0.3s ease;
}

.at-mobile-drawer.is-open {
    visibility: visible;
}

.at-drawer-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 24, 40, 0.45);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.at-mobile-drawer.is-open .at-drawer-backdrop {
    opacity: 1;
}

.at-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(340px, 85vw);
    height: 100%;
    background: #ffffff;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    overflow-y: auto;
}

.at-mobile-drawer.is-open .at-drawer-panel {
    transform: translateX(0);
}

.at-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--at-border);
    margin-bottom: 20px;
}

.at-drawer-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--at-heading);
}

.at-drawer-close {
    background: transparent;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--at-muted);
    border-radius: var(--at-radius-xs);
}

.at-drawer-close:hover {
    color: var(--at-heading);
    background: var(--at-bg-soft);
}

.at-drawer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.at-drawer-menu li {
    border-bottom: 1px solid var(--at-border);
}

.at-drawer-menu a {
    display: block;
    padding: 14px 4px;
    font-weight: 600;
    color: var(--at-heading);
    text-decoration: none;
}

.at-drawer-menu a:hover {
    color: var(--at-primary);
}

.at-drawer-menu .menu-item-has-children {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.at-drawer-menu .menu-item-has-children > a {
    flex: 1;
}

.at-submenu-toggle {
    background: transparent;
    border: 1px solid var(--at-border);
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--at-muted);
    cursor: pointer;
}

.at-drawer-menu .sub-menu {
    width: 100%;
    list-style: none;
    padding-left: 16px;
    margin: 0;
    display: none;
}

.at-drawer-menu .sub-menu-open > .sub-menu {
    display: block;
}

/* ==========================================================================
   5. Breadcrumbs
   ========================================================================== */
.at-breadcrumbs {
    margin-block: 28px 20px;
}

.at-breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.875rem;
    color: var(--at-muted);
}

.at-breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.at-breadcrumb-item a {
    color: var(--at-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.at-breadcrumb-item a:hover {
    color: var(--at-primary);
}

.at-breadcrumb-sep {
    color: var(--at-border-dark);
    display: inline-flex;
    align-items: center;
}

/* ==========================================================================
   6. Badges & Buttons
   ========================================================================== */
.at-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: var(--at-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.at-badge--primary {
    background: var(--at-primary-subtle);
    color: var(--at-primary);
}

.at-badge--subtle {
    background: var(--at-bg-muted);
    color: var(--at-muted);
}

.at-button,
.wp-block-button__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: 9px;
    background: var(--at-primary);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.at-button:hover,
.wp-block-button__link:hover {
    background: var(--at-primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(21, 94, 239, 0.25);
}

.at-button--sm {
    min-height: 38px;
    padding: 8px 16px;
    font-size: 0.88rem;
}

.at-button--ghost {
    background: transparent;
    border-color: var(--at-border-dark);
    color: var(--at-heading);
}

.at-button--ghost:hover {
    background: var(--at-bg-soft);
    color: var(--at-primary);
    box-shadow: none;
}

/* ==========================================================================
   7. Blog & Archive Grids / Post Cards (Optimized for Rendering)
   ========================================================================== */
.at-archive-hero {
    margin-block: 20px 40px;
    padding: 36px 40px;
    background: linear-gradient(135deg, var(--at-bg-soft) 0%, #ffffff 100%);
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius);
}

.at-archive-badge-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.at-archive-count {
    color: var(--at-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.at-archive-title {
    margin: 0;
}

.at-archive-subtitle,
.at-archive-description {
    margin-top: 10px;
    color: var(--at-muted);
    font-size: 1.05rem;
    max-width: 680px;
}

/* Grids */
.at-grid {
    display: grid;
    gap: 32px;
}

.at-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.at-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.at-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Post Cards with Browser Offscreen Rendering Optimization */
.at-post-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius);
    overflow: hidden;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    content-visibility: auto;
    contain-intrinsic-size: 0 420px;
}

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

.at-post-card-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--at-bg-muted);
}

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

.at-post-card:hover .at-post-card-thumbnail img {
    transform: scale(1.04);
}

.at-post-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.at-post-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.at-post-categories a {
    display: inline-block;
    padding: 3px 8px;
    background: var(--at-primary-subtle);
    color: var(--at-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
}

.at-post-card-title {
    margin: 0 0 10px;
    font-size: 1.3rem;
    line-height: 1.35;
}

.at-post-card-title a {
    color: var(--at-heading);
    text-decoration: none;
    transition: color 0.15s ease;
}

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

.at-post-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    color: var(--at-muted);
    font-size: 0.82rem;
}

.at-post-card-meta .byline,
.at-post-card-meta .posted-on,
.at-post-card-meta .reading-time {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.at-author-avatar {
    border-radius: 50%;
}

.at-post-card-excerpt {
    color: var(--at-text);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.at-post-card-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--at-border);
}

.at-post-card-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--at-primary);
    text-decoration: none;
    transition: gap 0.2s ease;
}

.at-post-card-readmore:hover {
    gap: 10px;
}

/* Classic List View */
.at-post-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.at-post-list .at-post-card {
    flex-direction: row;
}

.at-post-list .at-post-card-thumbnail {
    width: 320px;
    flex-shrink: 0;
}

/* ==========================================================================
   8. Single Post Styling
   ========================================================================== */
.at-reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: var(--at-primary);
    z-index: 999999;
    transition: width 0.05s linear;
}

.at-single-header {
    margin-bottom: 32px;
}

.at-single-title {
    margin-block: 14px 18px;
}

.at-single-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--at-border);
    color: var(--at-muted);
    font-size: 0.9rem;
}

.at-single-featured-image {
    margin-bottom: 40px;
    border-radius: var(--at-radius);
    overflow: hidden;
    box-shadow: var(--at-shadow-sm);
}

.at-single-featured-image img {
    width: 100%;
    display: block;
}

.at-single-footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--at-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.at-post-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.at-tags-title {
    font-weight: 600;
    color: var(--at-heading);
    font-size: 0.88rem;
}

.at-post-tags a {
    padding: 4px 10px;
    background: var(--at-bg-soft);
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-xs);
    font-size: 0.8rem;
    color: var(--at-text);
    text-decoration: none;
}

.at-post-tags a:hover {
    border-color: var(--at-primary);
    color: var(--at-primary);
}

/* Social Share */
.at-social-share {
    display: flex;
    align-items: center;
    gap: 8px;
}

.at-share-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--at-heading);
    margin-right: 4px;
}

.at-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--at-border);
    border-radius: 50%;
    color: var(--at-muted);
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.at-share-btn:hover {
    border-color: var(--at-primary);
    color: var(--at-primary);
    background: var(--at-primary-subtle);
}

/* Author Box */
.at-author-box {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 32px;
    margin-block: 48px;
    background: var(--at-bg-soft);
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius);
}

.at-author-box-avatar img {
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: var(--at-shadow-sm);
}

.at-author-box-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--at-muted);
}

.at-author-box-name {
    margin: 4px 0 10px;
    font-size: 1.25rem;
}

.at-author-box-name a {
    color: var(--at-heading);
    text-decoration: none;
}

.at-author-box-bio {
    margin: 0;
    color: var(--at-text);
    font-size: 0.95rem;
}

/* Related Posts */
.at-related-posts {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--at-border);
}

.at-related-posts-title {
    margin-bottom: 28px;
}

/* Post Navigation */
.post-navigation {
    margin-block: 48px;
}

.post-navigation .nav-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.nav-previous, .nav-next {
    padding: 20px 24px;
    background: #ffffff;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-sm);
    transition: border-color 0.18s ease, transform 0.18s ease;
}

.nav-previous:hover, .nav-next:hover {
    border-color: var(--at-primary);
    transform: translateY(-2px);
}

.at-nav-subtitle {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--at-muted);
    margin-bottom: 6px;
}

.at-nav-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--at-heading);
}

/* ==========================================================================
   9. Search Page Styling
   ========================================================================== */
.at-search-hero {
    margin-block: 20px 36px;
    padding: 36px 40px;
    background: linear-gradient(135deg, var(--at-bg-soft) 0%, #ffffff 100%);
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius);
}

.at-search-title {
    margin: 12px 0 8px;
}

.at-search-title span {
    color: var(--at-primary);
}

.at-search-count {
    color: var(--at-muted);
    font-size: 1rem;
    margin-bottom: 24px;
}

.at-search-input-group {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 600px;
    background: #ffffff;
    border: 1px solid var(--at-border-dark);
    border-radius: 10px;
    padding: 6px 6px 6px 16px;
    box-shadow: var(--at-shadow-sm);
}

.at-search-field {
    border: none !important;
    padding: 8px 0 !important;
    outline: none !important;
    box-shadow: none !important;
    flex: 1;
}

.at-search-results-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.at-search-card {
    padding: 28px;
    background: #ffffff;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-sm);
    box-shadow: var(--at-shadow-sm);
    transition: border-color 0.18s ease;
    content-visibility: auto;
    contain-intrinsic-size: 0 160px;
}

.at-search-card:hover {
    border-color: var(--at-primary);
}

.at-search-card-title {
    margin: 8px 0 12px;
    font-size: 1.35rem;
}

.at-search-card-title a {
    color: var(--at-heading);
    text-decoration: none;
}

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

.at-search-highlight {
    background: rgba(21, 94, 239, 0.15);
    color: var(--at-heading);
    padding: 0 4px;
    border-radius: 4px;
}

/* ==========================================================================
   10. Sidebars & Widgets
   ========================================================================== */
.at-sidebar-widget-area {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.at-widget {
    padding: 28px;
    background: #ffffff;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-sm);
    box-shadow: var(--at-shadow-sm);
    content-visibility: auto;
    contain-intrinsic-size: 0 250px;
}

.at-widget-title {
    margin: 0 0 18px;
    font-size: 1.15rem;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--at-border);
}

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

.at-widget li {
    padding-block: 8px;
    border-bottom: 1px solid var(--at-border);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.at-widget li:last-child {
    border-bottom: none;
}

.at-widget a {
    color: var(--at-text);
    text-decoration: none;
    font-weight: 500;
}

.at-widget a:hover {
    color: var(--at-primary);
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.at-site-footer {
    margin-top: 80px;
    background: var(--at-secondary);
    color: #d0d5dd;
}

.at-footer-widgets {
    padding-block: 64px 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    content-visibility: auto;
    contain-intrinsic-size: 0 350px;
}

.at-grid--footer-1 { grid-template-columns: 1fr; }
.at-grid--footer-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.at-grid--footer-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.at-grid--footer-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.at-footer-widget-title {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.at-footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.at-footer-column li {
    margin-bottom: 10px;
}

.at-footer-column a {
    color: #98a2b3;
    text-decoration: none;
    transition: color 0.15s ease;
}

.at-footer-column a:hover {
    color: #ffffff;
}

.at-site-info {
    padding-block: 24px;
}

.at-site-info-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 0.88rem;
    color: #98a2b3;
}

.at-site-info a {
    color: #eaecf0;
    text-decoration: none;
}

.at-site-info a:hover {
    color: #ffffff;
}

.at-footer-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Back to top button */
.at-back-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--at-primary);
    color: #ffffff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, background 0.18s ease;
    will-change: transform, opacity;
    z-index: 999;
}

.at-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.at-back-to-top:hover {
    background: var(--at-primary-hover);
    transform: translateY(-2px);
}

/* ==========================================================================
   12. 404 Page
   ========================================================================== */
.at-404-wrapper {
    text-align: center;
    max-width: 680px;
    margin: 64px auto;
}

.at-404-glitch-badge {
    display: inline-block;
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: 900;
    line-height: 1;
    color: var(--at-primary);
    letter-spacing: -0.04em;
    margin-bottom: 8px;
}

.at-404-title {
    margin-bottom: 14px;
}

.at-404-description {
    color: var(--at-muted);
    font-size: 1.15rem;
    margin-bottom: 32px;
}

.at-404-search-box {
    margin-bottom: 32px;
}

.at-404-recent-posts {
    margin-top: 64px;
    text-align: left;
}

/* ==========================================================================
   12b. Core WordPress Elements, Forms, Tables, & Accessibility Polish
   ========================================================================== */

/* Forms & Inputs */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid var(--at-border-dark);
    border-radius: var(--at-radius-xs);
    color: var(--at-heading);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
    box-sizing: border-box;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--at-primary);
    box-shadow: 0 0 0 3px var(--at-primary-subtle);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-block: 28px;
    font-size: 0.95rem;
    line-height: 1.5;
}

th, td {
    padding: 12px 16px;
    border: 1px solid var(--at-border);
    text-align: left;
}

th {
    background: var(--at-bg-soft);
    font-weight: 600;
    color: var(--at-heading);
}

tr:nth-child(even) td {
    background: rgba(248, 250, 252, 0.6);
}

/* Blockquotes */
blockquote {
    margin: 28px 0;
    padding: 18px 24px;
    border-left: 4px solid var(--at-primary);
    background: var(--at-bg-soft);
    border-radius: 0 var(--at-radius-xs) var(--at-radius-xs) 0;
    font-style: italic;
    color: var(--at-heading);
}

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

blockquote cite {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    font-style: normal;
    font-weight: 600;
    color: var(--at-muted);
}

/* Code & Preformatted */
code, kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.88em;
    padding: 2px 6px;
    background: var(--at-bg-muted);
    border: 1px solid var(--at-border);
    border-radius: 4px;
    color: var(--at-heading);
}

pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.88rem;
    line-height: 1.55;
    padding: 20px 24px;
    background: var(--at-secondary);
    color: #f8fafc;
    border-radius: var(--at-radius-sm);
    overflow-x: auto;
    margin: 28px 0;
}

pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
}

/* WordPress Core Alignments */
.alignwide {
    max-width: var(--at-wide);
    margin-inline: auto;
}

.alignfull {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.alignleft {
    float: left;
    margin: 0.5em 1.5em 1em 0;
}

.alignright {
    float: right;
    margin: 0.5em 0 1em 1.5em;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.wp-caption {
    max-width: 100%;
    margin-bottom: 24px;
}

.wp-caption-text {
    font-size: 0.82rem;
    color: var(--at-muted);
    margin-top: 8px;
    text-align: center;
}

hr {
    border: 0;
    height: 1px;
    background: var(--at-border);
    margin: 40px 0;
}

/* Comments */
.comments-area {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--at-border);
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 28px 0;
}

.comment-list .children {
    list-style: none;
    padding-left: 32px;
    margin-top: 20px;
}

.comment-body {
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-sm);
    margin-bottom: 20px;
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.88rem;
    color: var(--at-muted);
}

.comment-author .avatar {
    border-radius: 50%;
}

.comment-author .fn {
    font-weight: 600;
    color: var(--at-heading);
}

.comment-reply-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--at-primary);
    text-decoration: none;
}

.comment-respond {
    margin-top: 40px;
    padding: 32px;
    background: var(--at-bg-soft);
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius);
}

.comment-reply-title {
    margin: 0 0 20px;
    font-size: 1.25rem;
}

.comment-form p {
    margin-bottom: 16px;
}

.comment-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--at-heading);
}

.comment-form .submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--at-radius-xs);
    background: var(--at-primary);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.18s ease;
}

.comment-form .submit:hover {
    background: var(--at-primary-hover);
}

/* Pagination */
.pagination,
.posts-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 48px 0;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--at-border);
    border-radius: var(--at-radius-xs);
    color: var(--at-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.page-numbers:hover,
.page-numbers.current {
    background: var(--at-primary);
    border-color: var(--at-primary);
    color: #ffffff;
}

/* Accessibility Focus Visible & Reduced Motion */
:focus-visible {
    outline: 2px solid var(--at-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   13. Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
    .at-layout-right-sidebar,
    .at-layout-left-sidebar {
        grid-template-columns: 100%;
    }

    .at-grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .at-grid--footer-4,
    .at-grid--footer-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --at-gutter: 18px;
        --at-header-height: 70px;
    }

    .at-primary-navigation {
        display: none;
    }

    .at-menu-toggle {
        display: inline-flex;
    }

    .at-grid--2,
    .at-grid--3,
    .at-grid--footer-2,
    .at-grid--footer-3,
    .at-grid--footer-4 {
        grid-template-columns: 100%;
    }

    .at-post-list .at-post-card {
        flex-direction: column;
    }

    .at-post-list .at-post-card-thumbnail {
        width: 100%;
    }

    .post-navigation .nav-links {
        grid-template-columns: 100%;
    }

    .at-site-info-container {
        flex-direction: column;
        align-items: flex-start;
    }
}