/*
Theme Name: Basin
Theme URI: #
Author: Theme Developer
Author URI: #
Description: Ultra-minimalist blog theme inspired by The Basin. Clean typography, maximum white space, content-focused design.
Version: 1.3.0*/

/* === CSS Variables === */
:root {
    --basin-primary: #1a1a1a;
    --basin-secondary: #666666;
    --basin-accent: #000000;
    --basin-bg: #ffffff;
    --basin-bg-alt: #fafafa;
    --basin-border: #e5e5e5;
    --basin-text: #333333;
    --basin-text-light: #888888;
    --basin-link: var(--basin-primary);
    --basin-font-heading: 'Playfair Display', Georgia, serif;
    --basin-font-body: 'Source Serif Pro', Georgia, serif;
    --basin-font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --basin-max-width: 680px;
    --basin-wide-width: 1000px;
    --basin-transition: 0.2s ease;
}

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

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--basin-font-body);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--basin-text);
    background: var(--basin-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--basin-link);
    text-decoration: none;
    transition: color var(--basin-transition);
}

a:hover,
a:focus {
    color: var(--basin-secondary);
}

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

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--basin-font-heading);
    font-weight: 400;
    line-height: 1.3;
    margin: 0 0 1rem;
    color: var(--basin-primary);
}

h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.2rem; }

p {
    margin: 0 0 1.5rem;
}

blockquote {
    margin: 2rem 0;
    padding: 0 0 0 2rem;
    border-left: 2px solid var(--basin-border);
    font-style: italic;
    color: var(--basin-secondary);
}

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

.basin-container--wide {
    max-width: var(--basin-wide-width);
}

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

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

/* === Header === */
.basin-header {
    padding: 1.5rem 0;
    text-align: center;
    border-bottom: 1px solid var(--basin-border);
}

.basin-header-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.basin-brand {
    display: flex;
    align-items: center;
}

.basin-site-name {
    font-family: var(--basin-font-heading);
    font-size: 2rem;
    font-weight: 400;
    margin: 0;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.basin-site-name a {
    color: var(--basin-primary);
}

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

.basin-tagline {
    font-family: var(--basin-font-ui);
    font-size: 0.8rem;
    color: var(--basin-text-light);
    margin: 0.5rem 0 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.basin-logo,
.basin-header .custom-logo {
    max-height: 50px;
    width: auto;
    height: auto;
    margin: 0 auto;
}

/* === Navigation === */
.basin-nav {
    padding: 0.75rem 0;
    text-align: center;
    width: 100%;
}

.basin-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 0.5rem 1rem;
    flex-wrap: wrap;
}

.basin-menu a {
    font-family: var(--basin-font-ui);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--basin-secondary);
    padding: 0.5rem 0;
    display: block;
}

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

.basin-menu li { position: relative; }
.basin-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) {
    .basin-menu .sub-menu { position: absolute; top: 100%; left: 0; min-width: 220px; background: var(--basin-bg); border: 1px solid var(--basin-border); 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(0,0,0,0.08); }
    .basin-menu > li:hover > .sub-menu, .basin-menu > li:focus-within > .sub-menu, .basin-menu > li.is-open > .sub-menu,
    .basin-menu .sub-menu li:hover > .sub-menu, .basin-menu .sub-menu li:focus-within > .sub-menu, .basin-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;
    }
    .basin-menu .sub-menu a { padding: 8px 18px; font-size: 0.875rem; white-space: nowrap; }
    .basin-menu .sub-menu .sub-menu { top: 0; left: 100%; }
    .basin-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; }
    .basin-menu .sub-menu li.menu-item-has-children > a::after { border-left: 4px solid currentColor; border-right: 0; border-top: 4px solid transparent; border-bottom: 4px solid transparent; float: right; margin-top: 6px; }
}

.basin-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--basin-secondary);
    padding: 8px;
    width: 36px;
    height: 36px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 0 auto;
}

.basin-menu-btn__bar {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    transition: transform var(--basin-transition), opacity var(--basin-transition);
}

.basin-menu-btn[aria-expanded="true"] .basin-menu-btn__bar:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.basin-menu-btn[aria-expanded="true"] .basin-menu-btn__bar:nth-child(2) {
    opacity: 0;
}
.basin-menu-btn[aria-expanded="true"] .basin-menu-btn__bar:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

.basin-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 90;
}
.basin-menu-overlay.active {
    display: block;
}

.basin-nav {
    position: relative;
    z-index: 100;
}

/* === Main Content === */
.basin-main {
    padding: 4rem 0;
    min-height: 60vh;
}

/* === Article === */
.basin-article {
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--basin-border);
}

.basin-article:last-child {
    border-bottom: none;
}

.basin-article__header {
    text-align: center;
    margin-bottom: 2rem;
}

.basin-article__title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.basin-article__title a {
    color: var(--basin-primary);
}

.basin-article__title a:hover {
    color: var(--basin-secondary);
}

.basin-article__meta {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    color: var(--basin-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.basin-article__meta span {
    margin: 0 0.5rem;
}

.basin-article__image {
    margin: 2rem 0;
    aspect-ratio: 21/9;
    overflow: hidden;
    max-height: 360px;
}

.basin-article__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.basin-article__content {
    max-width: var(--basin-max-width);
    margin: 0 auto;
}

.basin-article__content p:first-child::first-letter {
    font-family: var(--basin-font-heading);
    font-size: 3.5rem;
    float: left;
    line-height: 1;
    margin: 0 0.5rem 0 0;
    color: var(--basin-primary);
}

.basin-article__excerpt {
    font-size: 1.1rem;
    line-height: 1.7;
}

.basin-article__more {
    text-align: center;
    margin-top: 2rem;
}

.basin-article__more a {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-secondary);
    border-bottom: 1px solid var(--basin-border);
    padding-bottom: 0.25rem;
}

.basin-article__more a:hover {
    color: var(--basin-primary);
    border-color: var(--basin-primary);
}

/* Sticky Post */
.basin-article--sticky {
    background: var(--basin-bg-alt);
    padding: 2rem;
    margin: 0 -2rem 4rem;
}

.basin-article--sticky .basin-sticky-badge {
    font-family: var(--basin-font-ui);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    display: block;
    margin-bottom: 0.5rem;
}

.basin-article__badge {
    font-family: var(--basin-font-ui);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    display: block;
    margin-bottom: 0.75rem;
}

/* === Single Post === */
.basin-single__header {
    text-align: center;
    padding: 3rem 0;
    max-width: var(--basin-max-width);
    margin: 0 auto;
}

.basin-single__title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.basin-single__meta {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    color: var(--basin-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.basin-single__featured {
    margin: 2rem 0 3rem;
}

.basin-single__featured img {
    width: 100%;
}

.basin-single__content {
    max-width: var(--basin-max-width);
    margin: 0 auto;
}

.basin-single__content h2 {
    margin-top: 3rem;
}

.basin-single__content h3 {
    margin-top: 2rem;
}

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

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

/* Tags */
.basin-tags {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--basin-border);
    text-align: center;
}

.basin-tags__title {
    font-family: var(--basin-font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    margin-bottom: 1rem;
}

.basin-tags a {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    color: var(--basin-secondary);
    margin: 0 0.5rem;
}

.basin-tags a:hover {
    color: var(--basin-primary);
}

/* Author */
.basin-author-box {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--basin-bg-alt);
    text-align: center;
}

.basin-author-box__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    overflow: hidden;
    flex-shrink: 0;
}

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

.basin-author-box__name {
    font-family: var(--basin-font-heading);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.basin-author-box__bio {
    font-size: 0.9rem;
    color: var(--basin-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Navigation */
.basin-post-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--basin-border);
}

.basin-post-nav__item {
    flex: 1;
}

.basin-post-nav__item--next {
    text-align: right;
}

.basin-post-nav__label {
    font-family: var(--basin-font-ui);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    display: block;
    margin-bottom: 0.5rem;
}

.basin-post-nav__title {
    font-family: var(--basin-font-heading);
    font-size: 1.1rem;
    color: var(--basin-primary);
}

.basin-post-nav__title:hover {
    color: var(--basin-secondary);
}

/* Related */
.basin-related {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--basin-border);
}

.basin-related__title {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    text-align: center;
    margin-bottom: 2rem;
}

.basin-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.basin-related__item {
    text-align: center;
}

.basin-related__item-title {
    font-family: var(--basin-font-heading);
    font-size: 1rem;
    margin: 0;
}

.basin-related__item-title a {
    color: var(--basin-primary);
}

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

/* === Page === */
.basin-page__header {
    text-align: center;
    padding: 3rem 0;
}

.basin-page__title {
    font-size: 2.5rem;
}

.basin-page__content {
    max-width: var(--basin-max-width);
    margin: 0 auto;
}

/* === Archive === */
.basin-archive__header {
    text-align: center;
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--basin-border);
    margin-bottom: 3rem;
}

.basin-archive__label {
    font-family: var(--basin-font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    display: block;
    margin-bottom: 0.5rem;
}

.basin-archive__title {
    font-size: 2rem;
    margin: 0;
}

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

/* === Search === */
.basin-search-form {
    display: flex;
    max-width: 400px;
    margin: 0 auto;
}

.basin-search-form input[type="search"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--basin-border);
    border-right: none;
    font-family: var(--basin-font-body);
    font-size: 1rem;
}

.basin-search-form input[type="search"]:focus {
    outline: none;
    border-color: var(--basin-primary);
}

.basin-search-form button {
    padding: 0.75rem 1.5rem;
    background: var(--basin-primary);
    color: var(--basin-bg);
    border: none;
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background var(--basin-transition);
}

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

.basin-search-results {
    text-align: center;
    margin-bottom: 3rem;
}

.basin-search-results__count {
    font-family: var(--basin-font-ui);
    font-size: 0.8rem;
    color: var(--basin-text-light);
}

/* === 404 === */
.basin-404 {
    text-align: center;
    padding: 5rem 0;
}

.basin-404__title {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.basin-404__text {
    font-size: 1.2rem;
    color: var(--basin-secondary);
    margin-bottom: 2rem;
}

.basin-404__home {
    display: inline-block;
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--basin-bg);
    background: var(--basin-primary);
    padding: 0.75rem 2rem;
}

.basin-404__home:hover {
    background: var(--basin-secondary);
    color: var(--basin-bg);
}

/* === Comments === */
.basin-comments {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--basin-border);
}

.basin-comments__title {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    text-align: center;
    margin-bottom: 2rem;
}

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

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

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

.basin-comment__avatar {
    margin-right: 1rem;
}

.basin-comment__avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.basin-comment__author {
    font-family: var(--basin-font-heading);
    font-size: 1rem;
    font-weight: 400;
}

.basin-comment__date {
    font-family: var(--basin-font-ui);
    font-size: 0.7rem;
    color: var(--basin-text-light);
    margin-left: auto;
}

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

.basin-comment__reply {
    margin-top: 0.5rem;
}

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

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

.basin-comment-form {
    margin-top: 2rem;
}

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

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

.basin-comment-form textarea {
    min-height: 150px;
    resize: vertical;
}

.basin-comment-form button {
    background: var(--basin-primary);
    color: var(--basin-bg);
    border: none;
    padding: 0.75rem 2rem;
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
}

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

/* === Breadcrumbs === */
.basin-breadcrumbs {
    padding: 1rem 0;
    font-family: var(--basin-font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--basin-text-light);
    text-align: center;
}

.basin-breadcrumbs a {
    color: var(--basin-text-light);
}

.basin-breadcrumbs a:hover {
    color: var(--basin-primary);
}

.basin-breadcrumbs__sep {
    margin: 0 0.5rem;
}

/* === Pagination === */
.basin-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--basin-border);
}

.basin-pagination a,
.basin-pagination span {
    font-family: var(--basin-font-ui);
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    color: var(--basin-secondary);
}

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

.basin-pagination .current {
    color: var(--basin-primary);
    border-bottom: 1px solid var(--basin-primary);
}

/* === Sidebar Layout === */
.basin-container:has(.basin-layout:not(.no-sidebar)) {
    max-width: var(--basin-wide-width);
}

.basin-layout {
    display: flex;
    flex-wrap: nowrap;
    gap: 2rem;
}

.basin-main-content {
    flex: 1;
    min-width: 0;
}

.basin-sidebar {
    width: 280px;
    flex-shrink: 0;
    padding-top: 1rem;
}

.basin-layout.left-sidebar {
    flex-direction: row-reverse;
}

.basin-layout.no-sidebar .basin-sidebar {
    display: none;
}

.basin-layout.no-sidebar .basin-main-content {
    max-width: 100%;
}

.basin-widget {
    margin-bottom: 2rem;
    text-align: left;
}

.basin-widget__title,
.basin-widget h2,
.basin-sidebar .wp-block-heading {
    font-family: var(--basin-font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--basin-text-light);
    margin-bottom: 1.5rem;
}

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

.basin-widget li {
    margin-bottom: 0.75rem;
}

.basin-widget a {
    color: var(--basin-secondary);
}

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

/* === Footer === */
.basin-footer {
    padding: 4rem 0;
    border-top: 1px solid var(--basin-border);
    text-align: center;
}

.basin-footer__widgets {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: var(--basin-wide-width);
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
}
.basin-footer__widgets--2col { grid-template-columns: repeat(2, 1fr); }
.basin-footer__widgets--3col { grid-template-columns: repeat(3, 1fr); }

.basin-footer__copy {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    color: var(--basin-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.basin-footer__desc {
    display: block;
    margin-top: 0.5rem;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.8rem;
}

.basin-footer-nav {
    margin-bottom: 2rem;
}

.basin-footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.basin-footer-menu a {
    font-family: var(--basin-font-ui);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--basin-text-light);
}

.basin-footer-menu a:hover {
    color: var(--basin-primary);
}

/* === Scroll to Top === */
.basin-scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    background: var(--basin-primary);
    color: var(--basin-bg);
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--basin-transition), visibility var(--basin-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

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

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

/* === Utility === */
.basin-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: 768px) {
    html {
        font-size: 16px;
    }

    .basin-layout {
        flex-direction: column;
    }

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

    .basin-header {
        padding: 0.75rem 0;
    }

    .basin-header-row {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .basin-nav {
        display: none;
        padding: 0;
    }

    .basin-nav.basin-nav-open {
        display: block;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: var(--basin-bg, #fff);
        border-bottom: 1px solid var(--basin-border);
        z-index: 100;
    }

    .basin-header {
        position: relative;
    }

    .basin-site-name {
        font-size: 1.5rem;
        margin: 0;
    }

    .basin-logo,
    .basin-header .custom-logo {
        max-height: 36px;
    }

    .basin-menu {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .basin-menu .sub-menu { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0; background: var(--basin-bg-alt); }
    .basin-menu li.is-open > .sub-menu { max-height: 3000px; }
    .basin-menu .sub-menu > li > a { padding-left: 1.5rem; font-size: 0.9rem; }
    .basin-menu .sub-menu .sub-menu > li > a { padding-left: 2.5rem; }
    .basin-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: 0; top: 0; transition: transform 0.2s ease; color: var(--basin-primary); }
    .basin-menu li.is-open > .pbn-submenu-toggle { transform: rotate(180deg); }

    .basin-menu-btn {
        display: flex;
    }

    .basin-article__title,
    .basin-single__title {
        font-size: 1.6rem;
    }

    .basin-main {
        padding: 2rem 0;
    }

    .basin-article--sticky {
        margin: 0 -1rem 3rem;
        padding: 1.5rem;
    }

    .basin-related__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .basin-post-nav {
        flex-direction: column;
        gap: 2rem;
    }

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

    .basin-footer__widgets,
    .basin-footer__widgets--2col,
    .basin-footer__widgets--3col {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .basin-container {
        padding: 0 1rem;
    }

    .basin-article__content p:first-child::first-letter {
        font-size: 2.5rem;
    }

    .basin-404__title {
        font-size: 3rem;
    }
}

/* Interlinking Section */
.basin-interlinking {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}
.basin-interlinking-title {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
}
.basin-interlinking-list {
    margin: 0;
    padding: 0;
    list-style: none;
}
.basin-interlinking-list li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}
.basin-interlinking-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--basin-color-primary, #333);
}
.basin-interlinking-list a {
    color: var(--basin-color-primary, #333);
    text-decoration: none;
}
.basin-interlinking-list a:hover {
    text-decoration: underline;
}

/* === Grid Layouts === */
.basin-posts-wrap {
    display: block;
}
.basin-posts-wrap.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.basin-layout:not(.no-sidebar) .basin-posts-wrap.grid-3col {
    grid-template-columns: repeat(2, 1fr);
}
.basin-posts-wrap.grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.basin-posts-wrap.grid-list {
    display: block;
}
.basin-posts-wrap.grid-list .basin-article {
    margin-bottom: 3rem;
}
.basin-posts-wrap.grid-3col .basin-article,
.basin-posts-wrap.grid-2col .basin-article {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.basin-posts-wrap.grid-3col .basin-article__header,
.basin-posts-wrap.grid-2col .basin-article__header {
    text-align: left;
}
.basin-posts-wrap.grid-3col .basin-article__title,
.basin-posts-wrap.grid-2col .basin-article__title {
    font-size: 1.3rem;
}
.basin-posts-wrap.grid-3col .basin-article__more,
.basin-posts-wrap.grid-2col .basin-article__more {
    text-align: left;
}
@media (max-width: 1024px) {
    .basin-posts-wrap.grid-3col {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .basin-posts-wrap.grid-3col,
    .basin-posts-wrap.grid-2col,
    .basin-layout:not(.no-sidebar) .basin-posts-wrap.grid-3col,
    .basin-layout:not(.no-sidebar) .basin-posts-wrap.grid-2col {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Structural Diversification — card_style
   ========================================================================== */

body.basin-card-horizontal .basin-posts-wrap {
    grid-template-columns: 1fr;
}
body.basin-card-horizontal .basin-article {
    display: flex; flex-direction: row; gap: 1.5rem;
}
body.basin-card-horizontal .basin-article__image {
    width: 40%; flex-shrink: 0;
}
body.basin-card-horizontal .basin-article__image img {
    width: 100%; height: 100%; object-fit: cover;
}
@media (max-width: 768px) {
    body.basin-card-horizontal .basin-article { flex-direction: column; }
    body.basin-card-horizontal .basin-article__image { width: 100%; }
}

body.basin-card-overlay .basin-article {
    position: relative; min-height: 280px; overflow: hidden;
}
body.basin-card-overlay .basin-article__image {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}
body.basin-card-overlay .basin-article__image img {
    width: 100%; height: 100%; object-fit: cover;
}
body.basin-card-overlay .basin-article__content {
    position: relative; z-index: 1;
    display: flex; flex-direction: column; justify-content: flex-end;
    min-height: 280px; padding: 1.25rem;
    background: linear-gradient(transparent 30%, rgba(0,0,0,0.85) 100%);
}
body.basin-card-overlay .basin-article__title a,
body.basin-card-overlay .basin-article__meta,
body.basin-card-overlay .basin-article__excerpt { color: #fff; }

body.basin-card-text .basin-article__image { display: none; }
body.basin-card-text .basin-article {
    border-left: 2px solid var(--basin-primary, #1a1a1a); padding-left: 1rem;
}

/* ==========================================================================
   Structural Diversification — header_layout
   ========================================================================== */

body.basin-header-inline .basin-header {
    text-align: left; padding: 1rem 0;
}
body.basin-header-inline .basin-nav { text-align: left; }

body.basin-header-stacked .basin-header { padding: 1.5rem 0 0.5rem; }

/* ==========================================================================
   Structural Diversification — featured_style
   ========================================================================== */

body.basin-featured-hero .basin-article--sticky {
    position: relative; min-height: 350px; overflow: hidden;
    border-radius: 8px; margin-bottom: 2rem;
}
body.basin-featured-hero .basin-article--sticky .basin-article__image {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}
body.basin-featured-hero .basin-article--sticky .basin-article__content {
    position: relative; z-index: 1; min-height: 350px;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 2rem; background: linear-gradient(transparent 40%, rgba(0,0,0,0.8) 100%);
}
body.basin-featured-hero .basin-article--sticky .basin-article__title a { color: #fff; font-size: 1.75rem; }

body.basin-featured-none .basin-article--sticky { display: none; }

/* ==========================================================================
   Structural Diversification — effect_card_hover
   ========================================================================== */

body.basin-hover-lift .basin-article:hover {
    transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}
body.basin-hover-shadow .basin-article:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
body.basin-hover-glow .basin-article:hover {
    box-shadow: 0 0 20px rgba(0,0,0,0.08);
}
body.basin-hover-border .basin-article:hover {
    border-color: var(--basin-primary, #1a1a1a);
}

.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;
}