/*
Theme Name: Comco Portal
Theme URI: https://comco.com.ar
Author: Comco
Author URI: https://comco.com.ar
Description: Tema institucional minimalista para la plataforma Comco. Muestra las novedades y posts más recientes de la plataforma.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
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: comco-portal
Tags: blog, custom-colors, custom-logo, custom-menu, featured-images, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, threaded-comments, translation-ready
*/

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary:       #1a56db;
    --color-primary-dark:  #1040b0;
    --color-primary-light: #e8f0fe;
    --color-accent:        #f59e0b;
    --color-bg:            #f8fafc;
    --color-surface:       #ffffff;
    --color-border:        #e2e8f0;
    --color-text:          #1e293b;
    --color-text-muted:    #64748b;
    --color-text-light:    #94a3b8;
    --color-tag-bg:        #eff6ff;
    --color-tag-text:      #1d4ed8;

    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  16px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.05);
    --shadow-lg:  0 10px 25px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.06);

    --transition: 200ms cubic-bezier(.4,0,.2,1);
    --max-width:  1100px;
    --gap:        2rem;
}

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover { color: var(--color-primary-dark); }
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

ul, ol { list-style: none; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
    padding-block: 3rem;
}

/* ============================================================
   SKIP LINK (accessibility)
   ============================================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--color-primary);
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: .875rem;
    font-weight: 600;
    z-index: 9999;
    transition: top var(--transition);
}
.skip-link:focus { top: 0; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 68px;
}

/* Logo */
.site-branding {
    display: flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.site-branding .custom-logo {
    height: 36px;
    width: auto;
    border-radius: var(--radius-sm);
}

.site-title-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.025em;
    color: var(--color-text);
    line-height: 1.2;
}

.site-title-text span {
    color: var(--color-primary);
}

.site-description {
    font-size: .75rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-top: .1rem;
}

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

.main-navigation ul {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.main-navigation a {
    display: inline-block;
    padding: .4rem .8rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: color var(--transition), background var(--transition);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: .4rem .6rem;
    cursor: pointer;
    color: var(--color-text);
    font-size: 1.2rem;
    line-height: 1;
    transition: background var(--transition);
}

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

/* ============================================================
   HERO / PAGE BANNER
   ============================================================ */
.page-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 60%, #1d4ed8 100%);
    color: #fff;
    padding-block: 3.5rem;
    text-align: center;
}

.page-banner .banner-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 999px;
    padding: .3rem .85rem;
    margin-bottom: 1.25rem;
}

.page-banner h1 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.15;
    margin-bottom: .75rem;
}

.page-banner p {
    font-size: 1.05rem;
    opacity: .85;
    max-width: 520px;
    margin-inline: auto;
}

/* ============================================================
   POSTS GRID
   ============================================================ */
.posts-section {
    padding-block: 2.5rem;
}

.posts-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding-bottom: .75rem;
    border-bottom: 2px solid var(--color-border);
}

.posts-header h2 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -.015em;
}

.posts-count {
    font-size: .8rem;
    color: var(--color-text-muted);
    background: var(--color-border);
    border-radius: 999px;
    padding: .2rem .65rem;
    font-weight: 500;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: var(--gap);
}

/* ============================================================
   POST CARD
   ============================================================ */
.post-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.post-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: #c7d7f9;
}

.post-card-thumbnail {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-primary-light);
}

.post-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}

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

.post-card-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), #dbeafe);
}

.post-card-thumbnail-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: .4;
    color: var(--color-primary);
}

.post-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
}

.post-card-date {
    font-size: .775rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: .3rem;
}

.post-card-date svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.post-card-category {
    display: inline-block;
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    border-radius: 999px;
    padding: .2rem .65rem;
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}

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

.post-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -.015em;
    color: var(--color-text);
}

.post-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

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

.post-card-excerpt {
    font-size: .875rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.post-card-author {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.post-card-author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.post-card-author-name {
    font-size: .775rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.read-more-link {
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: .3rem;
    white-space: nowrap;
    transition: gap var(--transition);
}

.read-more-link:hover { gap: .5rem; color: var(--color-primary-dark); }

.read-more-link svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* ============================================================
   FEATURED POST (first/sticky)
   ============================================================ */
.post-card.is-featured {
    grid-column: 1 / -1;
    flex-direction: row;
}

.post-card.is-featured .post-card-thumbnail {
    width: 45%;
    aspect-ratio: auto;
    flex-shrink: 0;
    border-radius: 0;
}

.post-card.is-featured .post-card-body {
    padding: 2rem;
}

.post-card.is-featured .post-card-title {
    font-size: 1.4rem;
}

.post-card.is-featured .post-card-excerpt {
    -webkit-line-clamp: 4;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-accent);
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 999px;
    padding: .2rem .65rem;
}

/* ============================================================
   NO POSTS
   ============================================================ */
.no-posts {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 1rem;
    color: var(--color-text-muted);
}

.no-posts svg {
    width: 56px;
    height: 56px;
    margin-inline: auto;
    margin-bottom: 1rem;
    opacity: .3;
    color: var(--color-primary);
}

.no-posts h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: .4rem;
}

.no-posts p { font-size: .9rem; }

/* ============================================================
   PAGINATION
   ============================================================ */
.posts-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.posts-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding-inline: .75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-surface);
    text-decoration: none;
    transition: all var(--transition);
}

.posts-pagination .page-numbers:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.posts-pagination .page-numbers.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 700;
}

.posts-pagination .page-numbers.dots {
    border: none;
    background: none;
    pointer-events: none;
}

/* ============================================================
   SINGLE POST
   ============================================================ */
.single-post-wrapper {
    max-width: 760px;
    margin-inline: auto;
}

.single-post-header {
    margin-bottom: 2.5rem;
}

.single-post-meta {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.single-post-header h1 {
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -.03em;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.single-post-author-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-top: 1.5rem;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info .author-name {
    font-weight: 600;
    font-size: .9rem;
    color: var(--color-text);
}

.author-info .author-date {
    font-size: .8rem;
    color: var(--color-text-muted);
}

.single-post-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--radius-xl);
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-md);
}

/* Post content typography */
.entry-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
}

.entry-content > * + * { margin-top: 1.5em; }

.entry-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--color-text);
    margin-top: 2.5em;
    margin-bottom: .5em;
}

.entry-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 2em;
    margin-bottom: .4em;
}

.entry-content h4, .entry-content h5, .entry-content h6 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 1.5em;
    margin-bottom: .3em;
}

.entry-content p { margin-bottom: 0; }

.entry-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.entry-content a:hover { color: var(--color-primary-dark); }

.entry-content ul, .entry-content ol {
    padding-left: 1.5em;
}

.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li + li { margin-top: .4em; }

.entry-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 1rem 1.5rem;
    background: var(--color-primary-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.entry-content blockquote cite {
    display: block;
    margin-top: .5rem;
    font-size: .85rem;
    font-style: normal;
    font-weight: 600;
    color: var(--color-text);
}

.entry-content pre {
    background: #1e293b;
    color: #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: .875rem;
    line-height: 1.6;
}

.entry-content code {
    font-family: var(--font-mono);
    font-size: .875em;
    background: var(--color-border);
    padding: .1em .4em;
    border-radius: var(--radius-sm);
    color: var(--color-primary-dark);
}

.entry-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.entry-content img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

.entry-content th {
    background: var(--color-bg);
    font-weight: 600;
    text-align: left;
    padding: .6rem 1rem;
    border: 1px solid var(--color-border);
}

.entry-content td {
    padding: .6rem 1rem;
    border: 1px solid var(--color-border);
}

.entry-content tr:nth-child(even) td { background: var(--color-bg); }

/* Post navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.nav-post-link {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition);
    background: var(--color-surface);
}

.nav-post-link:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

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

.nav-post-direction {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
}

.nav-post-title {
    font-size: .875rem;
    font-weight: 600;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tags */
.post-tags {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.post-tags-label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.tag-link {
    font-size: .775rem;
    font-weight: 500;
    background: var(--color-border);
    color: var(--color-text-muted);
    border-radius: 999px;
    padding: .2rem .75rem;
    text-decoration: none;
    transition: all var(--transition);
}

.tag-link:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ============================================================
   SIDEBAR & WIDGETS
   ============================================================ */
.content-area {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

.widget-area {
    position: sticky;
    top: 88px;
}

.widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.widget:last-child { margin-bottom: 0; }

.widget-title {
    font-size: .875rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--color-border);
}

.widget ul { display: flex; flex-direction: column; gap: .4rem; }

.widget li a {
    font-size: .875rem;
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .3rem 0;
    transition: color var(--transition);
}

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

.widget-count {
    font-size: .75rem;
    background: var(--color-border);
    color: var(--color-text-muted);
    border-radius: 999px;
    padding: .1rem .5rem;
}

/* Search widget */
.widget-search form {
    display: flex;
    gap: .5rem;
}

.widget-search input[type="search"] {
    flex: 1;
    padding: .5rem .75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: .875rem;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition);
    min-width: 0;
}

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

.widget-search button {
    padding: .5rem .75rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: .875rem;
    transition: background var(--transition);
}

.widget-search button:hover { background: var(--color-primary-dark); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding-block: 3rem;
    margin-top: auto;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr repeat(2, 1fr);
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-brand .footer-logo {
    height: 32px;
    margin-bottom: .75rem;
    filter: brightness(0) invert(1);
}

.footer-brand .footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .4rem;
}

.footer-brand p {
    font-size: .875rem;
    line-height: 1.65;
    max-width: 260px;
}

.footer-heading {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: .75rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: .4rem;
}

.footer-links a {
    font-size: .875rem;
    color: #94a3b8;
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .8rem;
}

.footer-bottom a {
    color: #94a3b8;
    text-decoration: none;
    transition: color var(--transition);
}

.footer-bottom a:hover { color: #fff; }

/* ============================================================
   404 PAGE
   ============================================================ */
.error-404 {
    text-align: center;
    padding: 5rem 1rem;
}

.error-404 .error-code {
    font-size: clamp(6rem, 15vw, 10rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -.05em;
    color: var(--color-border);
}

.error-404 h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: .75rem;
}

.error-404 p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: .95rem;
    max-width: 400px;
    margin-inline: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem 1.4rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: .9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition);
}

.btn:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
}

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

.text-center { text-align: center; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .content-area {
        grid-template-columns: 1fr;
    }

    .widget-area {
        position: static;
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .post-card.is-featured {
        flex-direction: column;
    }

    .post-card.is-featured .post-card-thumbnail {
        width: 100%;
        aspect-ratio: 16/9;
    }
}

@media (max-width: 640px) {
    :root { --gap: 1.25rem; }

    .header-inner { height: 60px; }

    .main-navigation {
        display: none;
        position: absolute;
        top: 61px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 1.5rem;
        box-shadow: var(--shadow-md);
    }

    .main-navigation.is-open { display: flex; }
    .main-navigation ul { flex-direction: column; align-items: stretch; width: 100%; }
    .main-navigation a { padding: .6rem .75rem; }
    .menu-toggle { display: flex; }

    .site-header { position: relative; }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 400px) {
    .page-banner { padding-block: 2.5rem; }
    .site-content { padding-block: 1.5rem; }
}