/*
Theme Name: Keyframe
Theme URI: #
Author: Theme Developer
Author URI: #
Description: Classic magazine theme inspired by Reader's Digest. Warm colors, traditional typography, family-friendly design.
Version: 1.3.0*/

/* === CSS Variables === */
:root {
    --keyframe-primary: #c41e3a;
    --keyframe-secondary: #1a3a5c;
    --keyframe-accent: #f5a623;
    --keyframe-bg: #ffffff;
    --keyframe-bg-alt: #faf8f5;
    --keyframe-bg-warm: #fcf9f4;
    --keyframe-text: #333333;
    --keyframe-text-light: #777777;
    --keyframe-border: #e0dcd5;
    --keyframe-font-heading: 'Playfair Display', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --keyframe-font-body: 'Source Serif Pro', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --keyframe-font-ui: 'Open Sans', -apple-system, sans-serif;
    --keyframe-max-width: 1140px;
    --keyframe-content-width: 700px;
    --keyframe-transition: 0.2s ease;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: 17px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--keyframe-font-body);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--keyframe-text);
    background: var(--keyframe-bg);
    overflow-x: hidden;
}

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

a:hover { color: var(--keyframe-secondary); }

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

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--keyframe-font-heading);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 0.75rem;
    color: var(--keyframe-secondary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin: 0 0 1.25rem; }

blockquote {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: var(--keyframe-bg-warm);
    border-left: 4px solid var(--keyframe-primary);
    font-style: italic;
    font-size: 1.1rem;
}

/* === Layout === */
.keyframe-container {
    max-width: var(--keyframe-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* === Skip Link === */
.keyframe-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    background: var(--keyframe-primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
}

.keyframe-skip:focus { left: 0; }

/* === Header === */
.keyframe-header {
    background: var(--keyframe-bg);
    border-bottom: 3px solid var(--keyframe-primary);
}

.keyframe-header__top {
    background: var(--keyframe-primary);
    padding: 0.5rem 0;
}

.keyframe-header__top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    color: #fff;
}

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

.keyframe-header__main {
    padding: 1.5rem 0;
    text-align: center;
}

.keyframe-logo img,
.keyframe-logo .custom-logo,
.custom-logo-link img {
    max-height: 60px;
    max-width: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
}

.keyframe-site-name {
    font-family: var(--keyframe-font-heading);
    font-size: 2.5rem;
    margin: 0;
    color: var(--keyframe-primary);
}

.keyframe-site-name a { color: inherit; }
.keyframe-site-name a:hover { color: var(--keyframe-secondary); }

.keyframe-tagline {
    font-family: var(--keyframe-font-ui);
    font-size: 0.85rem;
    color: var(--keyframe-text-light);
    margin: 0.5rem 0 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* === Navigation === */
.keyframe-nav {
    background: var(--keyframe-secondary);
    padding: 0;
}

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

.keyframe-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.keyframe-menu a {
    display: block;
    padding: 0.875rem 1.25rem;
    font-family: var(--keyframe-font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #fff;
    letter-spacing: 0.03em;
}

.keyframe-menu a:hover,
.keyframe-menu .current-menu-item a {
    background: var(--keyframe-primary);
}

.keyframe-menu li { position: relative; }
.keyframe-menu .sub-menu { list-style: none; margin: 0; padding: 0; }
.pbn-submenu-toggle { display: none; background: transparent; border: none; color: inherit; cursor: pointer; padding: 4px; }
@media (min-width: 769px) {
    .keyframe-menu .sub-menu { position: absolute; top: 100%; left: 0; min-width: 220px; background: var(--keyframe-secondary); padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity 0.18s, transform 0.18s, visibility 0s linear 0.18s; z-index: 1000; box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
    .keyframe-menu > li:hover > .sub-menu, .keyframe-menu > li:focus-within > .sub-menu, .keyframe-menu > li.is-open > .sub-menu,
    .keyframe-menu .sub-menu li:hover > .sub-menu, .keyframe-menu .sub-menu li:focus-within > .sub-menu, .keyframe-menu .sub-menu li.is-open > .sub-menu {
        opacity: 1; visibility: visible; transform: translateY(0); transition: opacity 0.18s, transform 0.18s, visibility 0s linear 0s;
    }
    .keyframe-menu .sub-menu a { padding: 8px 16px; font-size: 0.85rem; white-space: nowrap; color: #fff; }
    .keyframe-menu .sub-menu .sub-menu { top: 0; left: 100%; }
    .keyframe-menu li.menu-item-has-children > a::after { content: ''; display: inline-block; width: 0; height: 0; margin-left: 6px; vertical-align: middle; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 4px solid currentColor; }
}

.keyframe-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 0.875rem 1.25rem;
}

.keyframe-menu-overlay,
.keyframe-menu-close {
    display: none;
}

.keyframe-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    margin: 5px 0;
    transition: transform 0.3s;
}

/* === Main === */
.keyframe-main {
    padding: 2.5rem 0;
    min-height: 60vh;
}

.keyframe-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

.keyframe-layout--full {
    display: block;
}

/* === Article Card === */
.keyframe-card {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--keyframe-border);
}

.keyframe-card:last-child { border-bottom: none; }

.keyframe-card--sticky {
    background: var(--keyframe-bg-warm);
    padding: 1.5rem;
    border: 2px solid var(--keyframe-primary);
    border-radius: 6px;
}

.keyframe-card__badge {
    display: inline-block;
    font-family: var(--keyframe-font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
    background: var(--keyframe-primary);
    letter-spacing: 0.1em;
    padding: 0.2rem 0.6rem;
    margin-bottom: 0.75rem;
    border-radius: 2px;
}

.keyframe-card--featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.keyframe-card__image {
    overflow: hidden;
    border-radius: 4px;
}

.keyframe-card__image img {
    width: 100%;
    transition: transform var(--keyframe-transition);
}

.keyframe-card:hover .keyframe-card__image img {
    transform: scale(1.03);
}

.keyframe-card__cat {
    display: inline-block;
    font-family: var(--keyframe-font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--keyframe-primary);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.keyframe-card__title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.keyframe-card__title a { color: var(--keyframe-secondary); }
.keyframe-card__title a:hover { color: var(--keyframe-primary); }

.keyframe-card--featured .keyframe-card__title {
    font-size: 1.75rem;
}

.keyframe-card__meta {
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    color: var(--keyframe-text-light);
    margin-bottom: 0.75rem;
}

.keyframe-card__meta span { margin-right: 1rem; }

.keyframe-card__excerpt {
    color: var(--keyframe-text-light);
    font-size: 0.95rem;
    line-height: 1.65;
}

.keyframe-card__more {
    margin-top: 1rem;
}

.keyframe-card__more a {
    font-family: var(--keyframe-font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--keyframe-primary);
}

.keyframe-card__more a:hover { color: var(--keyframe-secondary); }

.keyframe-sticky-badge {
    display: inline-block;
    background: var(--keyframe-accent);
    color: #fff;
    font-family: var(--keyframe-font-ui);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

/* === Single Post === */
.keyframe-single {
    max-width: var(--keyframe-content-width);
    margin: 0 auto;
}

.keyframe-single__header {
    text-align: center;
    margin-bottom: 2rem;
}

.keyframe-single__cat {
    display: inline-block;
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--keyframe-primary);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.keyframe-single__title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--keyframe-secondary);
}

.keyframe-single__meta {
    font-family: var(--keyframe-font-ui);
    font-size: 0.8rem;
    color: var(--keyframe-text-light);
}

.keyframe-single__meta span { margin: 0 0.75rem; }

.keyframe-single__featured {
    margin: 2rem 0;
    border-radius: 4px;
    overflow: hidden;
}

.keyframe-single__content {
    font-size: 1.05rem;
}

.keyframe-single__content h2 { margin-top: 2.5rem; }
.keyframe-single__content h3 { margin-top: 2rem; }

.keyframe-single__content ul,
.keyframe-single__content ol {
    margin: 1.25rem 0;
    padding-left: 1.5rem;
}

.keyframe-single__content li { margin-bottom: 0.5rem; }
.keyframe-single__content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.9375rem; overflow-x: auto; display: block; }
.keyframe-single__content thead { background: var(--keyframe-bg-alt, #f4f4f4); }
.keyframe-single__content th, .keyframe-single__content td { padding: 0.75rem 1rem; border: 1px solid var(--keyframe-border, #ddd); text-align: left; vertical-align: top; }
.keyframe-single__content th { font-weight: 700; white-space: nowrap; }
.keyframe-single__content tr:nth-child(even) { background: var(--keyframe-bg-alt, #f8f8f8); }

/* Tags */
.keyframe-tags {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--keyframe-border);
}

.keyframe-tags__title {
    font-family: var(--keyframe-font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--keyframe-text-light);
    margin-bottom: 0.75rem;
}

.keyframe-tags a {
    display: inline-block;
    background: var(--keyframe-bg-alt);
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    margin: 0 0.25rem 0.5rem 0;
    color: var(--keyframe-text);
    border-radius: 3px;
}

.keyframe-tags a:hover {
    background: var(--keyframe-primary);
    color: #fff;
}

/* Author Box */
.keyframe-author-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--keyframe-bg-warm);
    border-radius: 4px;
    display: flex;
    gap: 1.5rem;
}

.keyframe-author-box__avatar {
    flex-shrink: 0;
}

.keyframe-author-box__avatar img {
    width: 80px;
    height: 80px;
    min-width: 80px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.keyframe-author-box__name {
    font-family: var(--keyframe-font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--keyframe-secondary);
}

.keyframe-author-box__bio {
    font-size: 0.9rem;
    color: var(--keyframe-text-light);
    margin: 0;
}

/* Post Navigation */
.keyframe-post-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--keyframe-border);
}

.keyframe-post-nav__item { flex: 1; }
.keyframe-post-nav__item--next { text-align: right; }

.keyframe-post-nav__label {
    font-family: var(--keyframe-font-ui);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--keyframe-text-light);
    display: block;
    margin-bottom: 0.25rem;
}

.keyframe-post-nav__title {
    font-family: var(--keyframe-font-heading);
    font-size: 1rem;
    color: var(--keyframe-secondary);
}

.keyframe-post-nav__title:hover { color: var(--keyframe-primary); }

/* Related Posts */
.keyframe-related {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--keyframe-border);
}

.keyframe-related__title {
    font-family: var(--keyframe-font-ui);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--keyframe-text-light);
    text-align: center;
    margin-bottom: 1.5rem;
}

.keyframe-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.keyframe-related__item-title {
    font-size: 0.95rem;
    text-align: center;
}

.keyframe-related__item-title a { color: var(--keyframe-secondary); }
.keyframe-related__item-title a:hover { color: var(--keyframe-primary); }

/* === Page === */
.keyframe-page {
    max-width: var(--keyframe-content-width);
    margin: 0 auto;
}

.keyframe-page__title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 2rem;
}

/* === Archive === */
.keyframe-archive__header {
    text-align: center;
    padding: 2rem 0;
    background: var(--keyframe-bg-warm);
    margin-bottom: 2rem;
}

.keyframe-archive__label {
    font-family: var(--keyframe-font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--keyframe-text-light);
    letter-spacing: 0.1em;
}

.keyframe-archive__title {
    font-size: 2rem;
    margin: 0.5rem 0 0;
    color: var(--keyframe-secondary);
}

.keyframe-subcats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1rem; }
.keyframe-subcats-item { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: var(--keyframe-bg-warm); border: 1px solid var(--keyframe-border); border-radius: 999px; font-size: 0.82rem; color: var(--keyframe-secondary); transition: background 0.2s, color 0.2s, border-color 0.2s; }
.keyframe-subcats-item:hover, .keyframe-subcats-item:focus { background: var(--keyframe-primary); color: #fff; border-color: var(--keyframe-primary); }
.keyframe-subcats-count { font-size: 0.75rem; opacity: 0.7; }

/* === Sidebar === */
.keyframe-sidebar {}

.keyframe-widget {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--keyframe-border);
}

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

.keyframe-widget__title {
    font-family: var(--keyframe-font-heading);
    font-size: 1rem;
    color: var(--keyframe-secondary);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--keyframe-primary);
    margin-bottom: 1rem;
}

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

.keyframe-widget li {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dotted var(--keyframe-border);
}

.keyframe-widget a {
    color: var(--keyframe-text);
    font-size: 0.9rem;
}

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

/* === Search Form === */
.keyframe-search-form {
    display: flex;
}

.keyframe-search-form input[type="search"] {
    flex: 1;
    padding: 0.65rem 1rem;
    border: 1px solid var(--keyframe-border);
    border-right: none;
    font-family: var(--keyframe-font-body);
    font-size: 0.95rem;
    border-radius: 3px 0 0 3px;
}

.keyframe-search-form input:focus {
    outline: none;
    border-color: var(--keyframe-primary);
}

.keyframe-search-form button {
    padding: 0.65rem 1.25rem;
    background: var(--keyframe-primary);
    color: #fff;
    border: none;
    font-family: var(--keyframe-font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 0 3px 3px 0;
}

.keyframe-search-form button:hover {
    background: var(--keyframe-secondary);
}

/* === 404 === */
.keyframe-404 {
    text-align: center;
    padding: 4rem 0;
}

.keyframe-404__title {
    font-size: 5rem;
    color: var(--keyframe-primary);
    margin-bottom: 1rem;
}

.keyframe-404__text {
    font-size: 1.25rem;
    color: var(--keyframe-text-light);
    margin-bottom: 2rem;
}

.keyframe-404__home {
    display: inline-block;
    background: var(--keyframe-primary);
    color: #fff;
    font-family: var(--keyframe-font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 3px;
}

.keyframe-404__home:hover {
    background: var(--keyframe-secondary);
    color: #fff;
}

/* === Comments === */
.keyframe-comments {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--keyframe-border);
}

.keyframe-comments__title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

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

.keyframe-comment {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--keyframe-border);
}

.keyframe-comment__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.keyframe-comment__avatar img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
}

.keyframe-comment__author {
    font-family: var(--keyframe-font-heading);
    font-size: 1rem;
}

.keyframe-comment__date {
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    color: var(--keyframe-text-light);
}

.keyframe-comment__body { font-size: 0.95rem; }

.keyframe-comment__reply a {
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--keyframe-text-light);
}

.keyframe-comment__reply a:hover { color: var(--keyframe-primary); }

.keyframe-comment-form input,
.keyframe-comment-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--keyframe-border);
    font-family: var(--keyframe-font-body);
    font-size: 1rem;
    margin-bottom: 1rem;
    border-radius: 3px;
}

.keyframe-comment-form input:focus,
.keyframe-comment-form textarea:focus {
    outline: none;
    border-color: var(--keyframe-primary);
}

.keyframe-comment-form textarea {
    min-height: 120px;
    resize: vertical;
}

.keyframe-comment-form button {
    background: var(--keyframe-primary);
    color: #fff;
    border: none;
    padding: 0.75rem 2rem;
    font-family: var(--keyframe-font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 3px;
}

.keyframe-comment-form button:hover {
    background: var(--keyframe-secondary);
}

/* === Breadcrumbs === */
.keyframe-breadcrumbs {
    padding: 0.75rem 0;
    background: var(--keyframe-bg-alt);
    font-family: var(--keyframe-font-ui);
    font-size: 0.75rem;
    color: var(--keyframe-text-light);
}

.keyframe-breadcrumbs a { color: var(--keyframe-text-light); }
.keyframe-breadcrumbs a:hover { color: var(--keyframe-primary); }
.keyframe-breadcrumbs__sep { margin: 0 0.5rem; }

/* === Pagination === */
.keyframe-pagination {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 2rem;
}

.keyframe-pagination a,
.keyframe-pagination span {
    font-family: var(--keyframe-font-ui);
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    color: var(--keyframe-secondary);
    border-radius: 3px;
}

.keyframe-pagination a:hover {
    background: var(--keyframe-bg-alt);
}

.keyframe-pagination .current {
    background: var(--keyframe-primary);
    color: #fff;
}

/* === Footer === */
.keyframe-footer {
    background: var(--keyframe-secondary);
    color: #fff;
    padding: 1.5rem 0 1rem;
    margin-top: 1.5rem;
}

.keyframe-footer__widgets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.keyframe-footer .keyframe-widget__title {
    color: #fff;
    border-bottom-color: var(--keyframe-primary);
}

.keyframe-footer .keyframe-widget li {
    border-bottom-color: rgba(255,255,255,0.1);
}

.keyframe-footer .keyframe-widget a { color: rgba(255,255,255,0.7); }
.keyframe-footer .keyframe-widget a:hover { color: var(--keyframe-accent); }

.keyframe-footer__bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.keyframe-footer__copy {
    font-family: var(--keyframe-font-ui);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

.keyframe-footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.keyframe-footer-menu a {
    font-family: var(--keyframe-font-ui);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

.keyframe-footer-menu a:hover { color: var(--keyframe-accent); }

/* === Scroll to Top === */
.keyframe-scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--keyframe-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--keyframe-transition);
    font-size: 1.25rem;
}

.keyframe-scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.keyframe-scroll-top:hover { background: var(--keyframe-secondary); }

/* === Utility === */
.keyframe-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === Media Queries === */
@media (max-width: 992px) {
    .keyframe-layout {
        grid-template-columns: 1fr;
    }

    .keyframe-sidebar {
        border-top: 1px solid var(--keyframe-border);
        padding-top: 2rem;
    }
}

@media (max-width: 768px) {
    html { font-size: 16px; }

    .keyframe-header__top { display: none; }
    .keyframe-header__main { padding: 0.75rem 0; }
    .keyframe-header { position: relative; }
    .keyframe-site-name { font-size: 1.5rem; }
    .keyframe-logo img { max-height: 40px; }
    .keyframe-tagline { display: none; }

    .keyframe-nav { background: none; padding: 0; position: static; }
    .keyframe-nav__inner { position: static; }
    .keyframe-nav > .keyframe-container { padding: 0; }
    .keyframe-menu-btn {
        display: block;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        z-index: 100;
    }

    .keyframe-menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
    }

    .keyframe-menu-overlay.open {
        display: block;
    }

    .keyframe-menu-panel {
        display: block;
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100%;
        background: var(--keyframe-secondary);
        z-index: 999;
        overflow-y: auto;
        transition: right 0.3s ease;
        padding-top: 3.5rem;
    }

    .keyframe-menu-panel.open {
        right: 0;
    }

    .keyframe-menu-close {
        display: block;
        position: absolute;
        top: 0.75rem;
        right: 0.75rem;
        background: none;
        border: none;
        color: #fff;
        font-size: 1.75rem;
        cursor: pointer;
        padding: 0.25rem 0.5rem;
        line-height: 1;
    }

    .keyframe-menu-close:hover {
        color: var(--keyframe-accent);
    }

    .keyframe-menu {
        display: flex;
        width: 100%;
        flex-direction: column;
    }

    .keyframe-menu a {
        padding: 1rem 1.25rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .keyframe-menu .sub-menu { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0; background: rgba(255,255,255,0.04); }
    .keyframe-menu li.is-open > .sub-menu { max-height: 3000px; }
    .keyframe-menu .sub-menu > li > a { padding-left: 2.5rem; font-size: 0.9rem; }
    .keyframe-menu .sub-menu .sub-menu > li > a { padding-left: 3.5rem; }
    .keyframe-menu li.menu-item-has-children > a { padding-right: 48px; }
    .pbn-submenu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; position: absolute; right: 8px; top: 8px; transition: transform 0.2s ease; color: var(--keyframe-accent); }
    .keyframe-menu li.is-open > .pbn-submenu-toggle { transform: rotate(180deg); }

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

    .keyframe-single__title { font-size: 1.75rem; }

    .keyframe-related__grid { grid-template-columns: 1fr; }

    .keyframe-post-nav {
        flex-direction: column;
        gap: 1.5rem;
    }

    .keyframe-post-nav__item--next { text-align: left; }

    .keyframe-author-box {
        flex-direction: column;
        text-align: center;
    }

    .keyframe-footer__widgets { grid-template-columns: 1fr; }

    .keyframe-footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .keyframe-footer-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .keyframe-sidebar {
        display: none !important;
    }

    .keyframe-logo img,
    .keyframe-logo .custom-logo,
    .custom-logo-link img {
        max-height: 45px;
    }
}

/* Left Sidebar */
.keyframe-layout.keyframe-layout--left {
    grid-template-columns: 300px 1fr;
}
.keyframe-layout.keyframe-layout--left .keyframe-sidebar {
    order: -1;
}

/* Footer Description */
.keyframe-footer__desc {
    display: block;
    font-size: 0.75rem;
    opacity: 0.5;
    margin-top: 0.25rem;
}

/* Responsive Embeds */
iframe, embed, object, video {
    max-width: 100%;
}

/* Code/Pre */
pre, code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875rem;
}

pre {
    background: var(--keyframe-bg-alt);
    padding: 1.25rem;
    border-radius: 4px;
    overflow-x: auto;
    border: 1px solid var(--keyframe-border);
}

code {
    background: var(--keyframe-bg-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
}

pre code {
    background: none;
    padding: 0;
}

/* Print */
@media print {
    .keyframe-header, .keyframe-footer, .keyframe-sidebar, .keyframe-scroll-top,
    .keyframe-breadcrumbs, .keyframe-related, .keyframe-interlinking,
    .keyframe-post-nav, .keyframe-comments { display: none !important; }
    .keyframe-single, .keyframe-page { max-width: 100%; }
    a { color: inherit; }
    body { font-size: 12pt; }
}

/* Interlinking Section */
.keyframe-interlinking {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--keyframe-bg-alt);
    border-radius: 4px;
}
.keyframe-interlinking-title {
    margin: 0 0 1rem;
    font-family: var(--keyframe-font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--keyframe-secondary);
}
.keyframe-interlinking-list {
    margin: 0;
    padding: 0;
    list-style: none;
}
.keyframe-interlinking-list li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}
.keyframe-interlinking-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--keyframe-primary);
}
.keyframe-interlinking-list a {
    color: var(--keyframe-primary);
    text-decoration: none;
}
.keyframe-interlinking-list a:hover {
    color: var(--keyframe-secondary);
}

/* === Grid Layouts === */
.keyframe-content.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.keyframe-content.grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.keyframe-content.grid-3col .keyframe-card--featured,
.keyframe-content.grid-2col .keyframe-card--featured {
    display: block;
}
.keyframe-content.grid-list {
    display: block;
}
.keyframe-content.grid-list .keyframe-card {
    margin-bottom: 30px;
}
@media (max-width: 1024px) {
    .keyframe-content.grid-3col {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .keyframe-content.grid-3col,
    .keyframe-content.grid-2col {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Structural Diversification (body_class driven)
   ========================================================================== */

/* --- Card Style: Horizontal --- */
.keyframe-card-horizontal .keyframe-content.grid-3col,
.keyframe-card-horizontal .keyframe-content.grid-2col {
    display: block;
}
.keyframe-card-horizontal .keyframe-card {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    align-items: flex-start;
}
.keyframe-card-horizontal .keyframe-card__image {
    flex: 0 0 40%;
    max-width: 40%;
}
.keyframe-card-horizontal .keyframe-card__body {
    flex: 1;
    min-width: 0;
}
.keyframe-card-horizontal .keyframe-card--featured {
    display: flex;
    grid-template-columns: none;
}
@media (max-width: 768px) {
    .keyframe-card-horizontal .keyframe-card {
        flex-direction: column;
    }
    .keyframe-card-horizontal .keyframe-card__image {
        flex: none;
        max-width: 100%;
    }
}

/* --- Card Style: Overlay --- */
.keyframe-card-overlay .keyframe-card {
    position: relative;
    overflow: hidden;
    border-bottom: none;
    border-radius: 6px;
    padding-bottom: 0;
    margin-bottom: 1.5rem;
}
.keyframe-card-overlay .keyframe-card__image {
    width: 100%;
    min-height: 280px;
}
.keyframe-card-overlay .keyframe-card__image img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
}
.keyframe-card-overlay .keyframe-card__body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
    color: #fff;
}
.keyframe-card-overlay .keyframe-card__title a,
.keyframe-card-overlay .keyframe-card__cat,
.keyframe-card-overlay .keyframe-card__meta,
.keyframe-card-overlay .keyframe-card__excerpt,
.keyframe-card-overlay .keyframe-card__more a {
    color: #fff;
}
.keyframe-card-overlay .keyframe-card__meta,
.keyframe-card-overlay .keyframe-card__excerpt {
    color: rgba(255,255,255,0.8);
}
.keyframe-card-overlay .keyframe-card--featured {
    display: block;
    grid-template-columns: none;
}

/* --- Card Style: Text-only --- */
.keyframe-card-text .keyframe-card__image {
    display: none;
}
.keyframe-card-text .keyframe-card {
    border-bottom: none;
    border-left: 3px solid var(--keyframe-primary);
    padding-left: 1.25rem;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}
.keyframe-card-text .keyframe-card--featured {
    display: block;
    grid-template-columns: none;
}

/* --- Header Layout: Centered --- */
.keyframe-header-centered .keyframe-header__main {
    text-align: center;
}
.keyframe-header-centered .keyframe-nav__inner {
    flex-direction: column;
    align-items: center;
}
.keyframe-header-centered .keyframe-menu {
    justify-content: center;
}
.keyframe-header-centered .keyframe-menu-btn {
    align-self: center;
}
@media (max-width: 768px) {
    .keyframe-header-centered .keyframe-nav__inner {
        flex-direction: column;
    }
}

/* --- Header Layout: Stacked --- */
.keyframe-header-stacked .keyframe-header__main {
    text-align: center;
}
.keyframe-header-stacked .keyframe-logo {
    width: 100%;
    text-align: center;
    margin-bottom: 0.5rem;
}
.keyframe-header-stacked .keyframe-nav__inner {
    justify-content: center;
}
.keyframe-header-stacked .keyframe-menu {
    justify-content: center;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .keyframe-header-stacked .keyframe-nav__inner {
        justify-content: stretch;
    }
}

/* --- Featured Style: Hero --- */
.keyframe-featured-hero .keyframe-card--featured {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 2.5rem;
}
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__image {
    width: 100%;
    min-height: 400px;
}
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__image img {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
}
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
    color: #fff;
}
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__title a,
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__cat,
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__more a {
    color: #fff;
}
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__meta,
.keyframe-featured-hero .keyframe-card--featured .keyframe-card__excerpt {
    color: rgba(255,255,255,0.8);
}
@media (max-width: 768px) {
    .keyframe-featured-hero .keyframe-card--featured .keyframe-card__image,
    .keyframe-featured-hero .keyframe-card--featured .keyframe-card__image img {
        min-height: 260px;
    }
}

/* --- Featured Style: None --- */
.keyframe-featured-none .keyframe-card--featured {
    display: none;
}

/* --- Hover Effect: Lift --- */
.keyframe-hover-lift .keyframe-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.keyframe-hover-lift .keyframe-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

/* --- Hover Effect: Glow --- */
.keyframe-hover-glow .keyframe-card {
    transition: box-shadow 0.25s ease;
}
.keyframe-hover-glow .keyframe-card:hover {
    box-shadow: 0 0 20px rgba(196, 30, 58, 0.25);
}

/* --- Hover Effect: Shadow --- */
.keyframe-hover-shadow .keyframe-card {
    transition: box-shadow 0.25s ease;
}
.keyframe-hover-shadow .keyframe-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* --- Hover Effect: Border --- */
.keyframe-hover-border .keyframe-card {
    transition: border-color 0.25s ease;
    border: 2px solid transparent;
    border-radius: 6px;
    padding: 1rem;
}
.keyframe-hover-border .keyframe-card:hover {
    border-color: var(--keyframe-primary);
}

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