/*
Theme Name: SupaRank Blog
Theme URI: https://suparank.co/blog
Author: SupaRank
Author URI: https://suparank.co
Description: Custom blog theme for SupaRank — SEO content management platform.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: suparank
*/


/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */

/* ---------- @font-face ---------- */

@font-face {
    font-family: 'Inter';
    src: url('assets/fonts/inter-var.woff2') format('woff2');
    font-weight: 100 900;
    font-display: swap;
    font-style: oblique 0deg 10deg;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('assets/fonts/jetbrains-mono-var.woff2') format('woff2');
    font-weight: 100 800;
    font-display: swap;
    font-style: normal;
}

/* ---------- Modern CSS Reset ---------- */

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

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -moz-text-size-adjust: none;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    transition: color 0.2s, background-color 0.2s;
}

body {
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
        Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--sr-text);
    background-color: var(--sr-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

img {
    height: auto;
}

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

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    overflow-wrap: break-word;
}

p {
    overflow-wrap: break-word;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}


/* ==========================================================================
   2. CUSTOM PROPERTIES
   ========================================================================== */

:root {
    --sr-primary: #6B52E8;
    --sr-primary-hover: #5A42D6;
    --sr-primary-light: #EDE9FD;
    --sr-bg: #F8F8FC;
    --sr-card: #FFFFFF;
    --sr-text: #222230;
    --sr-text-muted: #6E6E7C;
    --sr-border: #E3E3EC;
    --sr-success: #12A873;
    --sr-warning: #F5A623;
    --sr-code-bg: #F4F4F8;
    --sr-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
        Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --sr-font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code',
        'Source Code Pro', Menlo, Consolas, 'Courier New', monospace;
    --sr-radius-sm: 8px;
    --sr-radius-md: 12px;
    --sr-radius-lg: 16px;
    --sr-radius-pill: 9999px;
    --sr-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --sr-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.04);
    --sr-shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.06);
    --sr-shadow-glow: 0 0 24px rgba(107, 82, 232, 0.15);
    --sr-header-height: 64px;
}

.dark {
    --sr-primary: #8B7AEE;
    --sr-primary-hover: #9D8FF4;
    --sr-primary-light: #2D2547;
    --sr-bg: #141419;
    --sr-card: #1E1E28;
    --sr-text: #E5E5EC;
    --sr-text-muted: #8A8A96;
    --sr-border: #2E2E3A;
    --sr-success: #34D399;
    --sr-warning: #FBBF24;
    --sr-code-bg: #252530;
    --sr-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.12);
    --sr-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.16);
    --sr-shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.24);
    --sr-shadow-glow: 0 0 24px rgba(139, 122, 238, 0.2);
}


/* ==========================================================================
   3. LAYOUT
   ========================================================================== */

.sr-container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    width: 100%;
}

.sr-content {
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.sr-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .sr-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .sr-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.sr-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .sr-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.sr-section {
    padding: 48px 0;
}

@media (min-width: 768px) {
    .sr-section {
        padding: 64px 0;
    }
}

.sr-section-breadcrumb {
    padding: 16px 0 0;
}

.sr-section-featured {
    padding-top: 0;
}


/* ==========================================================================
   4. HEADER
   ========================================================================== */

/* ---------- Main header wrapper ---------- */

.sr-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--sr-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.dark .sr-header {
    background-color: rgba(30, 30, 40, 0.9);
}

.sr-header.is-scrolled .sr-header-top {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-bottom-color: var(--sr-border);
}

/* ---------- Top tier ---------- */

.sr-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--sr-header-height);
    gap: 24px;
}

/* Logo */

.sr-header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--sr-text);
    text-decoration: none;
    flex-shrink: 0;
}

.sr-header-logo img {
    height: 32px;
    width: auto;
}

.sr-header-logo span {
    color: var(--sr-primary);
}

/* Desktop nav */

.sr-header-nav {
    display: none;
    align-items: center;
    gap: 32px;
}

@media (min-width: 768px) {
    .sr-header-nav {
        display: flex;
    }
}

.sr-header-nav a {
    text-decoration: none;
    color: var(--sr-text-muted);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
    white-space: nowrap;
}

.sr-header-nav a:hover,
.sr-header-nav a:focus-visible {
    color: var(--sr-text);
}

.sr-header-nav a.is-active {
    color: var(--sr-text);
    font-weight: 600;
}

/* CTA group */

.sr-header-cta {
    display: none;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .sr-header-cta {
        display: flex;
    }
}

/* ---------- Buttons ---------- */

.sr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--sr-radius-sm);
    font-weight: 600;
    font-size: 14px;
    line-height: 1.4;
    cursor: pointer;
    border: none;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.sr-btn:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}

.sr-btn-primary {
    background-color: var(--sr-primary);
    color: #ffffff;
}

.sr-btn-primary:hover {
    background-color: var(--sr-primary-hover);
}

.sr-btn-primary:active {
    transform: scale(0.98);
}

.sr-btn-outline {
    border: 1px solid var(--sr-border);
    background-color: transparent;
    color: var(--sr-text);
}

.sr-btn-outline:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.sr-btn-outline:active {
    transform: scale(0.98);
}

.sr-btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.sr-btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.sr-btn-full {
    width: 100%;
    justify-content: center;
}

/* ---------- Category bar (second tier) ---------- */

.sr-header-category-bar {
    display: flex;
    gap: 8px;
    padding: 12px 0;
    border-top: 1px solid var(--sr-border);
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.sr-header-category-bar::-webkit-scrollbar {
    display: none;
}

.sr-header-category-bar a {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: var(--sr-radius-pill);
    font-size: 13px;
    font-weight: 500;
    color: var(--sr-text-muted);
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid var(--sr-border);
    background: transparent;
    transition: all 0.2s ease;
}

.sr-header-category-bar a:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.sr-header-category-bar a.is-active {
    background-color: var(--sr-primary);
    color: #ffffff;
    border-color: var(--sr-primary);
}

/* ---------- Mobile menu toggle ---------- */

.sr-mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius-sm);
    background: transparent;
    color: var(--sr-text);
    cursor: pointer;
    transition: all 0.2s;
}

.sr-mobile-menu-toggle:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

@media (min-width: 768px) {
    .sr-mobile-menu-toggle {
        display: none;
    }
}

.sr-mobile-menu-toggle svg {
    width: 20px;
    height: 20px;
}

.sr-mobile-menu-toggle .sr-icon-close {
    display: none;
}

.sr-mobile-menu-toggle.is-open .sr-icon-menu {
    display: none;
}

.sr-mobile-menu-toggle.is-open .sr-icon-close {
    display: block;
}

/* ---------- Mobile menu overlay ---------- */

.sr-mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--sr-card);
    border-bottom: 1px solid var(--sr-border);
    padding: 16px 24px 24px;
    box-shadow: var(--sr-shadow-lg);
    z-index: 99;
}

.sr-mobile-menu.is-open {
    display: block;
}

@media (min-width: 768px) {
    .sr-mobile-menu {
        display: none !important;
    }
}

.sr-mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
}

.sr-mobile-menu-nav a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--sr-radius-sm);
    color: var(--sr-text);
    font-weight: 500;
    font-size: 16px;
    text-decoration: none;
    transition: background-color 0.2s;
}

.sr-mobile-menu-nav a:hover {
    background-color: var(--sr-primary-light);
    color: var(--sr-primary);
}

.sr-mobile-menu-nav a.is-active {
    background-color: var(--sr-primary-light);
    color: var(--sr-primary);
    font-weight: 600;
}

.sr-mobile-menu-cta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--sr-border);
}

.sr-mobile-menu-cta .sr-btn {
    width: 100%;
    justify-content: center;
}


/* ==========================================================================
   5. HERO SECTION
   ========================================================================== */

.sr-hero {
    padding: 80px 0 48px;
    text-align: center;
    background: linear-gradient(180deg, var(--sr-primary-light) 0%, var(--sr-bg) 100%);
}

.sr-hero h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--sr-text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .sr-hero h1 {
        font-size: 48px;
    }
}

.sr-hero p {
    font-size: 18px;
    color: var(--sr-text-muted);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .sr-hero p {
        font-size: 20px;
    }
}

.sr-hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
    flex-wrap: wrap;
}

.sr-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--sr-radius-pill);
    background-color: var(--sr-primary-light);
    color: var(--sr-primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.sr-hero-sm {
    padding: 48px 0 32px;
}

.sr-hero-sm .sr-hero-title {
    font-size: 28px;
}

@media (min-width: 768px) {
    .sr-hero-sm {
        padding: 56px 0 40px;
    }

    .sr-hero-sm .sr-hero-title {
        font-size: 36px;
    }
}


/* ==========================================================================
   6. CARDS
   ========================================================================== */

/* ---------- Standard post card ---------- */

.sr-card {
    background-color: var(--sr-card);
    border-radius: var(--sr-radius-md);
    border: 1px solid var(--sr-border);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sr-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sr-shadow-lg);
}

.sr-card:focus-within {
    box-shadow: var(--sr-shadow-lg);
}

/* Card image */

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

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

.sr-card:hover .sr-card-image img {
    transform: scale(1.03);
}

.sr-card-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--sr-primary-light) 0%, var(--sr-code-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sr-primary);
}

/* Card body */

.sr-card-body {
    padding: 24px;
}

/* Card category badge */

.sr-card-category {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--sr-primary);
    background-color: var(--sr-primary-light);
    padding: 4px 12px;
    border-radius: var(--sr-radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.sr-card-category:hover {
    background-color: var(--sr-primary);
    color: #ffffff;
}

/* Card title */

.sr-card-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--sr-text);
}

.sr-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Card excerpt */

.sr-card-excerpt {
    font-size: 15px;
    color: var(--sr-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card meta */

.sr-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--sr-text-muted);
    flex-wrap: wrap;
}

.sr-card-author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sr-card-author-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--sr-text);
}

.sr-card-meta a {
    color: var(--sr-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.sr-card-meta a:hover {
    color: var(--sr-primary);
}

.sr-card-meta-separator {
    width: 3px;
    height: 3px;
    background-color: var(--sr-text-muted);
    border-radius: 50%;
    flex-shrink: 0;
}

.sr-card-meta-date {
    white-space: nowrap;
}

.sr-card-meta-reading-time {
    white-space: nowrap;
}

/* ---------- Featured card ---------- */

.sr-card-featured {
    display: grid;
    grid-template-columns: 1fr;
    border-radius: var(--sr-radius-lg);
    background-color: var(--sr-card);
    border: 1px solid var(--sr-border);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sr-card-featured:hover {
    transform: translateY(-2px);
    box-shadow: var(--sr-shadow-lg);
}

@media (min-width: 768px) {
    .sr-card-featured {
        grid-template-columns: 1fr 1fr;
    }
}

.sr-card-featured .sr-card-image {
    aspect-ratio: auto;
    min-height: 280px;
}

@media (min-width: 768px) {
    .sr-card-featured .sr-card-image {
        min-height: 400px;
    }
}

.sr-card-featured .sr-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sr-card-featured .sr-card-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 768px) {
    .sr-card-featured .sr-card-body {
        padding: 48px;
    }
}

.sr-card-featured .sr-card-title {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .sr-card-featured .sr-card-title {
        font-size: 32px;
    }
}

.sr-card-featured .sr-card-excerpt {
    font-size: 16px;
    -webkit-line-clamp: 4;
}

@media (min-width: 768px) {
    .sr-card-featured .sr-card-excerpt {
        font-size: 17px;
    }
}

.sr-card-featured .sr-card-category {
    font-size: 12px;
}

/* ---------- Related post card ---------- */

.sr-card-related {
    background-color: var(--sr-card);
    border-radius: var(--sr-radius-md);
    border: 1px solid var(--sr-border);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sr-card-related:hover {
    transform: translateY(-2px);
    box-shadow: var(--sr-shadow-lg);
}

.sr-card-related .sr-card-image {
    aspect-ratio: 16 / 9;
}

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

.sr-card-related:hover .sr-card-image img {
    transform: scale(1.03);
}

.sr-card-related .sr-card-body {
    padding: 16px 20px 20px;
}

.sr-card-related .sr-card-title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 8px;
}

.sr-card-related .sr-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.sr-card-related .sr-card-title a:hover {
    color: var(--sr-primary);
}

.sr-card-related .sr-card-excerpt {
    font-size: 14px;
    -webkit-line-clamp: 2;
    margin-bottom: 12px;
}

.sr-card-related .sr-card-meta {
    font-size: 12px;
}

/* ---------- Horizontal card variant ---------- */

.sr-card-horizontal {
    display: grid;
    grid-template-columns: 1fr;
    background-color: var(--sr-card);
    border-radius: var(--sr-radius-md);
    border: 1px solid var(--sr-border);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 768px) {
    .sr-card-horizontal {
        grid-template-columns: 280px 1fr;
    }
}

.sr-card-horizontal:hover {
    transform: translateY(-2px);
    box-shadow: var(--sr-shadow-lg);
}

.sr-card-horizontal .sr-card-image {
    aspect-ratio: 16 / 9;
}

@media (min-width: 768px) {
    .sr-card-horizontal .sr-card-image {
        aspect-ratio: auto;
        height: 100%;
    }
}

.sr-card-horizontal .sr-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* ==========================================================================
   7. CATEGORY FILTER PILLS
   ========================================================================== */

.sr-category-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 8px 0;
}

@media (max-width: 767px) {
    .sr-category-filter {
        overflow-x: auto;
        flex-wrap: nowrap;
        -ms-overflow-style: none;
        scrollbar-width: none;
        padding-bottom: 16px;
    }

    .sr-category-filter::-webkit-scrollbar {
        display: none;
    }
}

.sr-category-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: var(--sr-radius-pill);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--sr-border);
    background-color: transparent;
    color: var(--sr-text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    cursor: pointer;
}

.sr-category-pill:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.sr-category-pill:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}

.sr-category-pill.is-active {
    background-color: var(--sr-primary);
    color: #ffffff;
    border-color: var(--sr-primary);
}

.sr-category-pill-count {
    margin-left: 6px;
    font-size: 12px;
    opacity: 0.7;
}


/* ==========================================================================
   8. SINGLE POST
   ========================================================================== */

/* ---------- Breadcrumb ---------- */

.sr-breadcrumb {
    font-size: 14px;
    color: var(--sr-text-muted);
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    padding: 16px 0;
}

.sr-breadcrumb a {
    color: var(--sr-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.sr-breadcrumb-separator {
    color: var(--sr-text-muted);
    font-size: 12px;
    user-select: none;
}

.sr-breadcrumb-separator::after {
    content: "\203A";
}

.sr-breadcrumb-current {
    color: var(--sr-text);
    font-weight: 500;
}

/* ---------- Article header ---------- */

.sr-article-header {
    max-width: 768px;
    margin: 0 auto;
    padding: 48px 0 32px;
}

.sr-article-header-inner {
    max-width: 768px;
    margin: 0 auto;
}

.sr-article-back {
    font-size: 14px;
    color: var(--sr-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 24px;
    text-decoration: none;
    transition: color 0.2s;
}

.sr-article-back:hover {
    color: var(--sr-primary);
}

.sr-article-back svg {
    width: 16px;
    height: 16px;
}

.sr-article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--sr-text-muted);
    flex-wrap: wrap;
}

.sr-article-meta a {
    color: var(--sr-primary);
    text-decoration: none;
    font-weight: 600;
}

.sr-article-meta a:hover {
    color: var(--sr-primary-hover);
}

.sr-article-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--sr-text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .sr-article-title {
        font-size: 42px;
    }
}

.sr-article-lead {
    font-size: 18px;
    color: var(--sr-text-muted);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .sr-article-lead {
        font-size: 20px;
    }
}

/* ---------- Author + share row ---------- */

.sr-article-author-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-top: 1px solid var(--sr-border);
    border-bottom: 1px solid var(--sr-border);
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}

.sr-article-author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sr-article-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sr-article-author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--sr-text);
}

.sr-article-author-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.sr-article-author-name a:hover {
    color: var(--sr-primary);
}

.sr-article-author-title {
    font-size: 14px;
    color: var(--sr-text-muted);
    line-height: 1.4;
}

.sr-article-author-bio-snippet {
    font-size: 13px;
    color: var(--sr-text-muted);
}

/* ---------- Featured image ---------- */

.sr-article-featured-image {
    max-width: 768px;
    margin: 0 auto 40px;
    border-radius: var(--sr-radius-lg);
    overflow: hidden;
}

.sr-article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ---------- Prose content ---------- */

.sr-prose {
    max-width: 768px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.8;
    color: var(--sr-text);
}

@media (min-width: 768px) {
    .sr-prose {
        font-size: 18px;
    }
}

.sr-prose h2 {
    font-size: 26px;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 16px;
    padding-top: 24px;
    color: var(--sr-text);
    line-height: 1.25;
    letter-spacing: -0.01em;
}

@media (min-width: 768px) {
    .sr-prose h2 {
        font-size: 28px;
    }
}

.sr-prose h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 36px;
    margin-bottom: 12px;
    color: var(--sr-text);
    line-height: 1.3;
}

@media (min-width: 768px) {
    .sr-prose h3 {
        font-size: 22px;
    }
}

.sr-prose h4 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 8px;
    color: var(--sr-text);
}

.sr-prose p {
    margin-bottom: 24px;
}

.sr-prose a {
    color: var(--sr-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.sr-prose a:hover {
    color: var(--sr-primary-hover);
}

.sr-prose strong {
    font-weight: 700;
    color: var(--sr-text);
}

.sr-prose em {
    font-style: italic;
}

.sr-prose ul,
.sr-prose ol {
    padding-left: 24px;
    margin-bottom: 24px;
}

.sr-prose ul {
    list-style-type: disc;
}

.sr-prose ol {
    list-style-type: decimal;
}

.sr-prose li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.sr-prose li::marker {
    color: var(--sr-primary);
}

.sr-prose blockquote {
    border-left: 4px solid var(--sr-primary);
    padding: 16px 24px;
    margin: 32px 0;
    background-color: var(--sr-primary-light);
    border-radius: 0 var(--sr-radius-sm) var(--sr-radius-sm) 0;
    font-style: italic;
    color: var(--sr-text);
}

.sr-prose blockquote p {
    margin-bottom: 0;
}

.sr-prose blockquote p + p {
    margin-top: 12px;
}

.sr-prose code {
    font-family: var(--sr-font-mono);
    font-size: 0.9em;
    background-color: var(--sr-code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--sr-text);
    word-break: break-word;
}

.sr-prose pre {
    background-color: var(--sr-code-bg);
    border-radius: var(--sr-radius-md);
    padding: 24px;
    overflow-x: auto;
    margin: 32px 0;
    border: 1px solid var(--sr-border);
    line-height: 1.5;
}

.sr-prose pre code {
    background: none;
    padding: 0;
    font-size: 14px;
    border-radius: 0;
    color: var(--sr-text);
    word-break: normal;
}

.sr-prose img {
    max-width: 100%;
    height: auto;
    border-radius: var(--sr-radius-md);
    margin: 32px 0;
}

.sr-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 15px;
    overflow-x: auto;
    display: block;
}

@media (min-width: 768px) {
    .sr-prose table {
        display: table;
    }
}

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

.sr-prose th {
    font-weight: 600;
    background-color: var(--sr-code-bg);
    white-space: nowrap;
}

.sr-prose tr:last-child td {
    border-bottom: none;
}

.sr-prose hr {
    border: none;
    height: 1px;
    background-color: var(--sr-border);
    margin: 48px 0;
}

.sr-prose figure {
    margin: 32px 0;
}

.sr-prose figcaption {
    text-align: center;
    font-size: 14px;
    color: var(--sr-text-muted);
    margin-top: 12px;
    line-height: 1.5;
}

.sr-prose .wp-block-image {
    margin: 32px 0;
}

.sr-prose .wp-block-image img {
    margin: 0 auto;
}

.sr-prose .wp-block-image figcaption {
    text-align: center;
    font-size: 14px;
    color: var(--sr-text-muted);
    margin-top: 12px;
}

/* Alignment classes */

.sr-prose .aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.sr-prose .alignleft {
    float: left;
    margin-right: 24px;
    margin-bottom: 12px;
}

.sr-prose .alignright {
    float: right;
    margin-left: 24px;
    margin-bottom: 12px;
}

/* Callout / notice boxes in prose */

.sr-prose .sr-callout {
    padding: 20px 24px;
    border-radius: var(--sr-radius-md);
    margin: 32px 0;
    font-size: 15px;
}

.sr-prose .sr-callout-info {
    background-color: var(--sr-primary-light);
    border-left: 4px solid var(--sr-primary);
}

.sr-prose .sr-callout-warning {
    background-color: rgba(245, 166, 35, 0.1);
    border-left: 4px solid var(--sr-warning);
}

.sr-prose .sr-callout-success {
    background-color: rgba(18, 168, 115, 0.1);
    border-left: 4px solid var(--sr-success);
}


/* ==========================================================================
   9. TOC SIDEBAR
   ========================================================================== */

.sr-article-with-toc {
    max-width: 768px;
    margin: 0 auto;
}

@media (min-width: 1280px) {
    .sr-article-with-toc {
        display: grid;
        grid-template-columns: 1fr 250px;
        gap: 64px;
        max-width: 1120px;
    }
}

.sr-toc-wrapper {
    display: none;
}

@media (min-width: 1280px) {
    .sr-toc-wrapper {
        display: block;
        position: relative;
    }
}

.sr-toc {
    position: sticky;
    top: 100px;
    font-size: 14px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.sr-toc-title {
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sr-text-muted);
    margin-bottom: 16px;
}

.sr-toc-list {
    list-style: none;
    padding: 0;
    border-left: 2px solid var(--sr-border);
}

.sr-toc-item a {
    display: block;
    padding: 6px 0 6px 16px;
    color: var(--sr-text-muted);
    text-decoration: none;
    border-left: 2px solid transparent;
    margin-left: -2px;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.sr-toc-item a:hover {
    color: var(--sr-text);
}

.sr-toc-item.is-active a {
    color: var(--sr-primary);
    border-left-color: var(--sr-primary);
    font-weight: 500;
}

.sr-toc-item-h3 a {
    padding-left: 32px;
    font-size: 13px;
}


/* ==========================================================================
   10. SHARE BUTTONS
   ========================================================================== */

.sr-share {
    display: flex;
    gap: 8px;
    align-items: center;
}

.sr-share-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--sr-text-muted);
    margin-right: 4px;
    white-space: nowrap;
}

.sr-share-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    background-color: transparent;
    color: var(--sr-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

.sr-share-btn:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}

.sr-share-btn svg {
    width: 18px;
    height: 18px;
}

/* Sticky share bar for mobile */

.sr-share-sticky {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--sr-card);
    border-top: 1px solid var(--sr-border);
    padding: 12px 24px;
    justify-content: center;
    gap: 12px;
    z-index: 50;
}

@media (min-width: 768px) {
    .sr-share-sticky {
        display: none;
    }
}


/* ==========================================================================
   11. AUTHOR BIO BLOCK
   ========================================================================== */

.sr-author-bio {
    background-color: var(--sr-card);
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius-lg);
    padding: 32px;
    display: flex;
    gap: 24px;
    margin: 48px auto;
    max-width: 768px;
}

@media (max-width: 767px) {
    .sr-author-bio {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px;
        gap: 16px;
    }
}

.sr-author-bio-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sr-author-bio-content {
    flex: 1;
    min-width: 0;
}

.sr-author-bio-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--sr-text);
    margin-bottom: 2px;
}

.sr-author-bio-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.sr-author-bio-name a:hover {
    color: var(--sr-primary);
}

.sr-author-bio-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sr-text-muted);
    margin-bottom: 4px;
}

.sr-author-bio-title {
    font-size: 14px;
    color: var(--sr-text-muted);
    margin-bottom: 8px;
}

.sr-author-bio-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--sr-text-muted);
    margin-top: 8px;
}

.sr-author-bio-social {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

@media (max-width: 767px) {
    .sr-author-bio-social {
        justify-content: center;
    }
}

.sr-author-bio-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--sr-radius-sm);
    color: var(--sr-text-muted);
    transition: all 0.2s;
    text-decoration: none;
}

.sr-author-bio-social a:hover {
    color: var(--sr-primary);
    background-color: var(--sr-primary-light);
}

.sr-author-bio-social a svg {
    width: 18px;
    height: 18px;
}


/* ==========================================================================
   12. NEWSLETTER SECTION
   ========================================================================== */

.sr-newsletter {
    background-color: var(--sr-card);
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius-lg);
    padding: 48px 24px;
    text-align: center;
    margin: 80px auto;
    max-width: 768px;
}

@media (min-width: 768px) {
    .sr-newsletter {
        padding: 64px 32px;
    }
}

.sr-newsletter-inner {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.sr-newsletter-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--sr-radius-md);
    background-color: var(--sr-primary-light);
    color: var(--sr-primary);
    margin: 0 auto 24px;
}

.sr-newsletter-icon svg {
    width: 28px;
    height: 28px;
}

.sr-newsletter h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--sr-text);
}

@media (min-width: 768px) {
    .sr-newsletter h2 {
        font-size: 28px;
    }
}

.sr-newsletter p {
    color: var(--sr-text-muted);
    margin: 8px auto 32px;
    max-width: 480px;
    font-size: 16px;
    line-height: 1.6;
}

.sr-newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 440px;
    margin: 0 auto;
}

@media (max-width: 767px) {
    .sr-newsletter-form {
        flex-direction: column;
    }
}

.sr-newsletter-input {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    background-color: var(--sr-bg);
    color: var(--sr-text);
    font-size: 15px;
    transition: all 0.2s;
}

.sr-newsletter-input::placeholder {
    color: var(--sr-text-muted);
}

.sr-newsletter-input:focus {
    outline: none;
    border-color: var(--sr-primary);
    box-shadow: 0 0 0 3px var(--sr-primary-light);
}

.sr-newsletter-disclaimer {
    font-size: 13px;
    color: var(--sr-text-muted);
    margin-top: 16px;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
}

.sr-newsletter-success {
    display: none;
    color: var(--sr-success);
    font-weight: 600;
    font-size: 15px;
    margin-top: 16px;
}

.sr-newsletter-success.is-visible {
    display: block;
}


/* ==========================================================================
   13. CTA SECTION
   ========================================================================== */

.sr-cta {
    background-color: var(--sr-primary);
    color: #ffffff;
    border-radius: var(--sr-radius-lg);
    padding: 48px 24px;
    text-align: center;
    margin: 80px auto;
    max-width: 1280px;
}

@media (min-width: 768px) {
    .sr-cta {
        padding: 64px 32px;
    }
}

.sr-cta h2 {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.01em;
}

@media (min-width: 768px) {
    .sr-cta h2 {
        font-size: 32px;
    }
}

.sr-cta p {
    color: rgba(255, 255, 255, 0.85);
    margin: 12px auto 32px;
    max-width: 540px;
    font-size: 17px;
    line-height: 1.6;
}

.sr-cta .sr-btn {
    background-color: #ffffff;
    color: var(--sr-primary);
    font-weight: 700;
    border: none;
}

.sr-cta .sr-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.sr-cta .sr-btn:active {
    transform: scale(0.98);
}

.sr-cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.sr-cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.sr-cta-feature svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}


/* ==========================================================================
   14. TAGS
   ========================================================================== */

.sr-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 48px 0;
    padding-top: 32px;
    border-top: 1px solid var(--sr-border);
}

.sr-tags-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--sr-text);
    margin-right: 8px;
    display: flex;
    align-items: center;
}

.sr-tag {
    padding: 6px 14px;
    border-radius: var(--sr-radius-pill);
    font-size: 13px;
    background-color: var(--sr-code-bg);
    color: var(--sr-text-muted);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.sr-tag:hover {
    background-color: var(--sr-primary-light);
    color: var(--sr-primary);
}

.sr-tag:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}


/* ==========================================================================
   15. FOOTER
   ========================================================================== */

.sr-footer {
    background-color: var(--sr-card);
    border-top: 1px solid var(--sr-border);
    padding: 64px 0 32px;
    margin-top: 80px;
}

.sr-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .sr-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}

@media (min-width: 1024px) {
    .sr-footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 48px;
    }
}

/* Footer branding column */

.sr-footer-brand {
    max-width: 320px;
}

.sr-footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--sr-text);
    text-decoration: none;
    margin-bottom: 16px;
}

.sr-footer-logo img {
    height: 28px;
    width: auto;
}

.sr-footer-logo span {
    color: var(--sr-primary);
}

.sr-footer-tagline {
    font-size: 15px;
    color: var(--sr-text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.sr-footer-social {
    display: flex;
    gap: 12px;
}

/* Footer columns */

.sr-footer-heading {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sr-text-muted);
    margin-bottom: 16px;
}

.sr-footer-links {
    list-style: none;
    padding: 0;
}

.sr-footer-links li {
    margin-bottom: 0;
}

.sr-footer-links a {
    color: var(--sr-text-muted);
    font-size: 15px;
    text-decoration: none;
    line-height: 2;
    transition: color 0.2s;
    display: inline-block;
}

.sr-footer-links a:hover {
    color: var(--sr-primary);
}

/* Footer bottom bar */

.sr-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    margin-top: 32px;
    border-top: 1px solid var(--sr-border);
    font-size: 14px;
    color: var(--sr-text-muted);
    flex-wrap: wrap;
    gap: 16px;
}

.sr-footer-bottom-links {
    display: flex;
    gap: 24px;
}

.sr-footer-bottom-links a {
    color: var(--sr-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.sr-footer-bottom-links a:hover {
    color: var(--sr-primary);
}

/* Social links (shared between footer brand and footer bottom) */

.sr-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--sr-border);
    color: var(--sr-text-muted);
    text-decoration: none;
    transition: all 0.2s;
}

.sr-social-link:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
    background-color: var(--sr-primary-light);
}

.sr-social-link svg {
    width: 18px;
    height: 18px;
}


/* ==========================================================================
   16. DARK MODE TOGGLE
   ========================================================================== */

.sr-dark-mode-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    background-color: transparent;
    cursor: pointer;
    color: var(--sr-text-muted);
    transition: all 0.2s ease;
}

.sr-dark-mode-toggle:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.sr-dark-mode-toggle:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}

.sr-dark-mode-toggle svg {
    width: 20px;
    height: 20px;
}

/* Sun / moon icon swap */

.sr-icon-moon {
    display: none;
}

.sr-icon-sun {
    display: block;
}

.dark .sr-icon-moon {
    display: block;
}

.dark .sr-icon-sun {
    display: none;
}


/* ==========================================================================
   17. 404 PAGE
   ========================================================================== */

.sr-404 {
    text-align: center;
    padding: 80px 24px;
}

@media (min-width: 768px) {
    .sr-404 {
        padding: 120px 24px;
    }
}

.sr-404 h1 {
    font-size: 80px;
    font-weight: 800;
    color: var(--sr-primary);
    line-height: 1;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .sr-404 h1 {
        font-size: 120px;
    }
}

.sr-404 h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--sr-text);
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .sr-404 h2 {
        font-size: 28px;
    }
}

.sr-404 p {
    color: var(--sr-text-muted);
    margin-bottom: 32px;
    font-size: 17px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.sr-404-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.sr-404-illustration {
    max-width: 400px;
    margin: 0 auto 32px;
}


/* ---------- Empty state ---------- */

.sr-content-none {
    padding: 80px 24px;
    max-width: 480px;
    margin: 0 auto;
}

.sr-content-none h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.sr-content-none p {
    color: var(--sr-text-muted);
    margin-bottom: 24px;
}


/* ==========================================================================
   18. LOAD MORE BUTTON
   ========================================================================== */

.sr-load-more {
    text-align: center;
    padding: 48px 0;
}

.sr-load-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--sr-radius-sm);
    font-weight: 600;
    font-size: 15px;
    border: 1px solid var(--sr-border);
    background-color: transparent;
    color: var(--sr-text);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.sr-load-more-btn:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.sr-load-more-btn:active {
    transform: scale(0.98);
}

.sr-load-more-btn:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}

.sr-load-more-btn.is-loading {
    opacity: 0.7;
    pointer-events: none;
    cursor: not-allowed;
}

.sr-load-more-btn.is-loading::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--sr-border);
    border-top-color: var(--sr-primary);
    border-radius: 50%;
    animation: sr-spinner 0.6s linear infinite;
}

.sr-load-more-btn.is-hidden {
    display: none;
}

@keyframes sr-spinner {
    to {
        transform: rotate(360deg);
    }
}


/* ==========================================================================
   19. ANIMATIONS & TRANSITIONS
   ========================================================================== */

.sr-fade-in {
    animation: sr-fadeIn 0.4s ease-out;
}

@keyframes sr-fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sr-fade-in-up {
    animation: sr-fadeInUp 0.5s ease-out;
}

@keyframes sr-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sr-slide-in-right {
    animation: sr-slideInRight 0.3s ease-out;
}

@keyframes sr-slideInRight {
    from {
        opacity: 0;
        transform: translateX(16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Skeleton loading placeholder */

.sr-skeleton {
    background: linear-gradient(
        90deg,
        var(--sr-code-bg) 25%,
        var(--sr-border) 50%,
        var(--sr-code-bg) 75%
    );
    background-size: 200% 100%;
    animation: sr-skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--sr-radius-sm);
}

@keyframes sr-skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.sr-skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    width: 100%;
}

.sr-skeleton-text-sm {
    height: 12px;
    width: 60%;
}

.sr-skeleton-image {
    aspect-ratio: 16 / 9;
    width: 100%;
}

.sr-skeleton-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

/* Reduce motion for accessibility */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}


/* ==========================================================================
   20. UTILITY CLASSES
   ========================================================================== */

/* Screen reader only */

.sr-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Text alignment */

.sr-text-center {
    text-align: center;
}

.sr-text-left {
    text-align: left;
}

.sr-text-right {
    text-align: right;
}

/* Text colors */

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

.sr-text-primary {
    color: var(--sr-primary);
}

.sr-text-success {
    color: var(--sr-success);
}

.sr-text-warning {
    color: var(--sr-warning);
}

/* Spacing - margin top */

.sr-mt-8 {
    margin-top: 8px;
}

.sr-mt-16 {
    margin-top: 16px;
}

.sr-mt-24 {
    margin-top: 24px;
}

.sr-mt-32 {
    margin-top: 32px;
}

.sr-mt-48 {
    margin-top: 48px;
}

.sr-mt-64 {
    margin-top: 64px;
}

.sr-mt-80 {
    margin-top: 80px;
}

/* Spacing - margin bottom */

.sr-mb-8 {
    margin-bottom: 8px;
}

.sr-mb-16 {
    margin-bottom: 16px;
}

.sr-mb-24 {
    margin-bottom: 24px;
}

.sr-mb-32 {
    margin-bottom: 32px;
}

.sr-mb-48 {
    margin-bottom: 48px;
}

.sr-mb-64 {
    margin-bottom: 64px;
}

.sr-mb-80 {
    margin-bottom: 80px;
}

/* Display utilities */

.sr-hidden {
    display: none !important;
}

.sr-block {
    display: block;
}

.sr-flex {
    display: flex;
}

.sr-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sr-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Width utilities */

.sr-w-full {
    width: 100%;
}

.sr-max-w-prose {
    max-width: 768px;
}


/* ==========================================================================
   21. RESPONSIVE BREAKPOINTS — ADDITIONAL ADJUSTMENTS
   ========================================================================== */

/* ---------- Small mobile (< 480px) ---------- */

@media (max-width: 479px) {
    .sr-hero {
        padding: 48px 0 32px;
    }

    .sr-hero h1 {
        font-size: 28px;
    }

    .sr-hero p {
        font-size: 16px;
    }

    .sr-article-title {
        font-size: 28px;
    }

    .sr-card-featured .sr-card-body {
        padding: 24px;
    }

    .sr-card-featured .sr-card-title {
        font-size: 22px;
    }

    .sr-cta {
        padding: 40px 20px;
    }

    .sr-cta h2 {
        font-size: 24px;
    }

    .sr-newsletter {
        padding: 40px 20px;
    }

    .sr-newsletter h2 {
        font-size: 22px;
    }

    .sr-author-bio {
        padding: 20px;
    }

    .sr-footer-grid {
        gap: 24px;
    }
}

/* ---------- Mobile / default (< 768px) ---------- */

@media (max-width: 767px) {
    .sr-article-author-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .sr-footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .sr-footer-bottom-links {
        justify-content: center;
    }
}

/* ---------- Tablet (768px+) ---------- */

@media (min-width: 768px) {
    .sr-container {
        padding-left: 32px;
        padding-right: 32px;
    }
}

/* ---------- Desktop (1024px+) ---------- */

@media (min-width: 1024px) {
    .sr-container {
        padding-left: 40px;
        padding-right: 40px;
    }
}

/* ---------- Wide (1280px+) ---------- */

@media (min-width: 1280px) {
    .sr-container {
        padding-left: 24px;
        padding-right: 24px;
    }
}


/* ==========================================================================
   22. SCROLLBAR HIDE UTILITY
   ========================================================================== */

.sr-scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.sr-scrollbar-hide::-webkit-scrollbar {
    display: none;
}


/* ==========================================================================
   23. PRINT STYLES
   ========================================================================== */

@media print {
    .sr-header,
    .sr-header-category-bar,
    .sr-mobile-menu,
    .sr-footer,
    .sr-toc-wrapper,
    .sr-toc,
    .sr-share,
    .sr-share-sticky,
    .sr-share-btn,
    .sr-newsletter,
    .sr-cta,
    .sr-load-more,
    .sr-dark-mode-toggle,
    .sr-mobile-menu-toggle,
    .sr-article-back,
    .sr-404-actions,
    .sr-hero-actions,
    .sr-category-filter,
    .sr-header-cta {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.6;
        color: #000000;
        background: #ffffff;
    }

    .sr-prose {
        max-width: 100%;
        font-size: 12pt;
    }

    .sr-prose a {
        color: #000000;
        text-decoration: underline;
    }

    .sr-prose a::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #555555;
    }

    .sr-prose pre {
        border: 1px solid #cccccc;
        page-break-inside: avoid;
    }

    .sr-prose img {
        max-width: 100%;
        page-break-inside: avoid;
    }

    .sr-prose h2,
    .sr-prose h3 {
        page-break-after: avoid;
    }

    .sr-article-title {
        font-size: 24pt;
        color: #000000;
    }

    .sr-card {
        break-inside: avoid;
        border: 1px solid #cccccc;
        box-shadow: none;
    }
}


/* ==========================================================================
   24. WORDPRESS SPECIFIC OVERRIDES
   ========================================================================== */

/* WordPress alignment classes */

.alignnone {
    margin: 24px 0;
}

.aligncenter {
    display: block;
    margin: 24px auto;
}

.alignleft {
    float: left;
    margin: 8px 24px 12px 0;
}

.alignright {
    float: right;
    margin: 8px 0 12px 24px;
}

/* WordPress captions */

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

.wp-caption img {
    border-radius: var(--sr-radius-md);
}

.wp-caption-text {
    text-align: center;
    font-size: 14px;
    color: var(--sr-text-muted);
    margin-top: 8px;
    padding: 0 8px;
}

/* WordPress gallery */

.gallery {
    display: grid;
    gap: 12px;
    margin: 32px 0;
}

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

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

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

.gallery-item {
    margin: 0;
}

.gallery-item img {
    border-radius: var(--sr-radius-sm);
    width: 100%;
    height: auto;
}

/* WordPress block editor specific */

.wp-block-separator {
    border: none;
    height: 1px;
    background-color: var(--sr-border);
    margin: 48px 0;
}

.wp-block-quote {
    border-left: 4px solid var(--sr-primary);
    padding: 16px 24px;
    margin: 32px 0;
    background-color: var(--sr-primary-light);
    border-radius: 0 var(--sr-radius-sm) var(--sr-radius-sm) 0;
    font-style: italic;
}

.wp-block-quote cite {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    color: var(--sr-text-muted);
    font-style: normal;
}

.wp-block-pullquote {
    border-top: 4px solid var(--sr-primary);
    border-bottom: 4px solid var(--sr-primary);
    padding: 32px 0;
    margin: 48px 0;
    text-align: center;
}

.wp-block-pullquote blockquote {
    border-left: none;
    background: none;
    padding: 0;
    margin: 0;
}

.wp-block-pullquote blockquote p {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.4;
}

.wp-block-code {
    background-color: var(--sr-code-bg);
    border-radius: var(--sr-radius-md);
    padding: 24px;
    overflow-x: auto;
    border: 1px solid var(--sr-border);
}

.wp-block-code code {
    background: none;
    padding: 0;
    font-family: var(--sr-font-mono);
    font-size: 14px;
}

.wp-block-table {
    margin: 32px 0;
}

.wp-block-table table {
    width: 100%;
    border-collapse: collapse;
}

.wp-block-table th,
.wp-block-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--sr-border);
    text-align: left;
}

.wp-block-table th {
    font-weight: 600;
    background-color: var(--sr-code-bg);
}

.wp-block-table.is-style-stripes tbody tr:nth-child(odd) {
    background-color: var(--sr-code-bg);
}

.wp-block-embed {
    margin: 32px 0;
}

.wp-block-embed__wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--sr-radius-md);
}

.wp-block-embed__wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* WordPress navigation (wp_link_pages) */

.page-links {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 32px 0;
    font-size: 14px;
    font-weight: 600;
}

.page-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    color: var(--sr-text-muted);
    text-decoration: none;
    transition: all 0.2s;
}

.page-links a:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.page-links > span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--sr-radius-sm);
    background-color: var(--sr-primary);
    color: #ffffff;
}

/* WordPress pagination (for archive pages) */

.sr-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 48px 0;
}

.sr-pagination a,
.sr-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.sr-pagination a {
    color: var(--sr-text-muted);
    background-color: transparent;
}

.sr-pagination a:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
}

.sr-pagination .current {
    background-color: var(--sr-primary);
    color: #ffffff;
    border-color: var(--sr-primary);
}

.sr-pagination .dots {
    border: none;
    color: var(--sr-text-muted);
    min-width: auto;
    padding: 0 4px;
}

.sr-pagination .prev,
.sr-pagination .next {
    font-weight: 500;
}

/* WordPress comments */

.sr-comments {
    max-width: 768px;
    margin: 48px auto;
}

.sr-comments-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--sr-text);
}

.sr-comment-list {
    list-style: none;
    padding: 0;
}

.sr-comment {
    padding: 24px 0;
    border-bottom: 1px solid var(--sr-border);
}

.sr-comment:last-child {
    border-bottom: none;
}

.sr-comment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.sr-comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sr-comment-author {
    font-weight: 600;
    font-size: 15px;
    color: var(--sr-text);
}

.sr-comment-date {
    font-size: 13px;
    color: var(--sr-text-muted);
}

.sr-comment-body {
    font-size: 15px;
    line-height: 1.7;
    color: var(--sr-text);
}

.sr-comment-body p {
    margin-bottom: 12px;
}

.sr-comment-body p:last-child {
    margin-bottom: 0;
}

.sr-comment-reply-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--sr-primary);
    text-decoration: none;
    margin-top: 8px;
    display: inline-block;
    transition: color 0.2s;
}

.sr-comment-reply-link:hover {
    color: var(--sr-primary-hover);
}

/* Nested comments */

.sr-comment .children {
    list-style: none;
    padding-left: 32px;
    margin-top: 0;
}

@media (max-width: 767px) {
    .sr-comment .children {
        padding-left: 16px;
    }
}

/* Comment form */

.sr-comment-form {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--sr-border);
}

.sr-comment-form-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--sr-text);
}

.sr-comment-form .comment-form {
    display: grid;
    gap: 16px;
}

.sr-comment-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--sr-text);
}

.sr-comment-form input[type="text"],
.sr-comment-form input[type="email"],
.sr-comment-form input[type="url"],
.sr-comment-form textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    background-color: var(--sr-bg);
    color: var(--sr-text);
    font-size: 15px;
    transition: all 0.2s;
}

.sr-comment-form input[type="text"]:focus,
.sr-comment-form input[type="email"]:focus,
.sr-comment-form input[type="url"]:focus,
.sr-comment-form textarea:focus {
    outline: none;
    border-color: var(--sr-primary);
    box-shadow: 0 0 0 3px var(--sr-primary-light);
}

.sr-comment-form textarea {
    min-height: 160px;
    resize: vertical;
}

.sr-comment-form .form-submit {
    margin-top: 8px;
}

.sr-comment-form .submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--sr-radius-sm);
    background-color: var(--sr-primary);
    color: #ffffff;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

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

.sr-comment-form .submit:active {
    transform: scale(0.98);
}

/* WordPress search form */

.sr-search-form {
    display: flex;
    gap: 8px;
    max-width: 440px;
}

.sr-search-form input[type="search"] {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--sr-radius-sm);
    border: 1px solid var(--sr-border);
    background-color: var(--sr-bg);
    color: var(--sr-text);
    font-size: 15px;
    transition: all 0.2s;
}

.sr-search-form input[type="search"]:focus {
    outline: none;
    border-color: var(--sr-primary);
    box-shadow: 0 0 0 3px var(--sr-primary-light);
}

.sr-search-form button {
    padding: 12px 20px;
    border-radius: var(--sr-radius-sm);
    background-color: var(--sr-primary);
    color: #ffffff;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.sr-search-form button:hover {
    background-color: var(--sr-primary-hover);
}

/* WordPress widget areas / sidebar */

.sr-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sr-widget {
    background-color: var(--sr-card);
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius-md);
    padding: 24px;
}

.sr-widget-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--sr-text);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--sr-border);
}

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

.sr-widget ul li {
    margin-bottom: 0;
}

.sr-widget ul li a {
    display: block;
    padding: 8px 0;
    color: var(--sr-text-muted);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s;
    border-bottom: 1px solid var(--sr-border);
}

.sr-widget ul li:last-child a {
    border-bottom: none;
}

.sr-widget ul li a:hover {
    color: var(--sr-primary);
}

/* Archive / category page header */

.sr-archive-header {
    padding: 48px 0 32px;
    text-align: center;
}

.sr-archive-header h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--sr-text);
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .sr-archive-header h1 {
        font-size: 40px;
    }
}

.sr-archive-header p {
    font-size: 17px;
    color: var(--sr-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.sr-archive-header .sr-card-category {
    margin-bottom: 16px;
}

/* Section headings for homepage */

.sr-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.sr-section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--sr-text);
}

@media (min-width: 768px) {
    .sr-section-title {
        font-size: 28px;
    }
}

.sr-section-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--sr-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.sr-section-link:hover {
    color: var(--sr-primary-hover);
}

.sr-section-link svg {
    width: 16px;
    height: 16px;
}

/* Related posts section */

.sr-related-posts {
    max-width: 768px;
    margin: 48px auto;
    padding-top: 48px;
    border-top: 1px solid var(--sr-border);
}

.sr-related-posts-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--sr-text);
    margin-bottom: 24px;
}

.sr-related-posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .sr-related-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .sr-related-posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Reading progress bar */

.sr-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: var(--sr-primary);
    z-index: 101;
    transition: width 0.1s linear;
}

/* Back to top button */

.sr-back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--sr-card);
    border: 1px solid var(--sr-border);
    color: var(--sr-text-muted);
    cursor: pointer;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s ease;
    box-shadow: var(--sr-shadow-md);
}

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

.sr-back-to-top:hover {
    border-color: var(--sr-primary);
    color: var(--sr-primary);
    box-shadow: var(--sr-shadow-glow);
}

.sr-back-to-top svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 767px) {
    .sr-back-to-top {
        bottom: 72px; /* Above sticky share bar */
    }
}

/* Post navigation (prev/next) */

.sr-post-navigation {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 768px;
    margin: 48px auto;
    padding-top: 32px;
    border-top: 1px solid var(--sr-border);
}

@media (min-width: 768px) {
    .sr-post-navigation {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

.sr-post-nav-link {
    display: flex;
    flex-direction: column;
    padding: 20px 24px;
    border-radius: var(--sr-radius-md);
    border: 1px solid var(--sr-border);
    text-decoration: none;
    transition: all 0.2s;
}

.sr-post-nav-link:hover {
    border-color: var(--sr-primary);
    box-shadow: var(--sr-shadow-md);
}

.sr-post-nav-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--sr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.sr-post-nav-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--sr-text);
    line-height: 1.3;
}

.sr-post-nav-link:hover .sr-post-nav-title {
    color: var(--sr-primary);
}

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

/* Estimated reading time badge */

.sr-reading-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--sr-text-muted);
}

.sr-reading-time svg {
    width: 14px;
    height: 14px;
}

/* Focus styles for accessibility */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--sr-primary);
    outline-offset: 2px;
}

/* Skip to content link */

.sr-skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    padding: 12px 24px;
    background-color: var(--sr-primary);
    color: #ffffff;
    font-weight: 600;
    border-radius: var(--sr-radius-sm);
    z-index: 200;
    transition: top 0.2s;
    text-decoration: none;
}

.sr-skip-link:focus {
    top: 16px;
}