/*
Theme Name: Meridian
Theme URI: https://example.com/meridian
Author: Your Name
Author URI: https://example.com
Description: A fast, clean, three-column editorial theme for blogs and news sites. Inspired by the structural clarity of major news homepages, with AdSense-ready, clearly-labeled native ad zones that match the site's card styling. Publish everything from the standard WordPress panel.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: meridian
Tags: news, blog, three-columns, custom-menu, featured-images, translation-ready
*/

/* ==========================================================================
   Design tokens
   Change --accent to re-skin the whole site (e.g. #cc0000 for a red masthead).
   ========================================================================== */
:root{
  --ink:        #14161a;   /* primary text                     */
  --ink-soft:   #5a616b;   /* meta, timestamps, kickers        */
  --line:       #e3e6ea;   /* hairline dividers                */
  --line-strong:#c9ced5;
  --bg:         #ffffff;
  --surface:    #f6f7f9;   /* section wells, ad wells          */
  --accent:     #d21f3c;   /* the one knob: brand accent       */
  --accent-ink: #ffffff;

  --maxw: 1200px;
  --gap: 28px;

  --font-display: "Libre Franklin", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 6px;
}

/* ==========================================================================
   Reset-ish base
   ========================================================================== */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-decoration-color:var(--accent); text-underline-offset:2px; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:800; line-height:1.12; margin:0; letter-spacing:-0.01em; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 20px; }

/* Accessibility */
.screen-reader-text{
  position:absolute!important; width:1px; height:1px; overflow:hidden; clip:rect(1px,1px,1px,1px); white-space:nowrap;
}
:focus-visible{ outline:3px solid var(--accent); outline-offset:2px; }
.skip-link{ position:absolute; left:-999px; top:0; background:var(--ink); color:#fff; padding:10px 16px; z-index:999; }
.skip-link:focus{ left:8px; }

/* ==========================================================================
   Masthead / header
   ========================================================================== */
.site-header{ border-bottom:1px solid var(--line); background:var(--bg); position:sticky; top:0; z-index:100; }
.masthead{ display:flex; align-items:center; gap:22px; height:66px; }
.brand{ font-family:var(--font-display); font-weight:900; font-size:26px; letter-spacing:-0.02em; }
.brand .brand-mark{ color:var(--accent-ink); background:var(--accent); padding:2px 9px; border-radius:4px; }
.brand a:hover{ text-decoration:none; }
.brand-logo{ display:inline-flex; align-items:center; }
.brand-logo svg{ height:40px; width:auto; display:block; }
@media (max-width:480px){ .brand-logo svg{ height:30px; } }

.primary-nav{ display:flex; align-items:center; }
.primary-nav ul{ list-style:none; display:flex; gap:20px; margin:0; padding:0; }
.primary-nav a{ font-family:var(--font-display); font-weight:600; font-size:15px; padding:6px 0; }
.primary-nav a:hover{ color:var(--accent); text-decoration:none; }

.header-tools{ margin-left:auto; display:flex; align-items:center; gap:16px; }
.header-tools .search-toggle{ background:none; border:0; cursor:pointer; padding:6px; color:var(--ink); }
.btn-signin{
  font-family:var(--font-display); font-weight:600; font-size:14px;
  border:1px solid var(--line-strong); border-radius:4px; padding:8px 16px; background:var(--bg);
}
.btn-signin:hover{ border-color:var(--ink); text-decoration:none; }

.menu-toggle{ display:none; background:none; border:0; cursor:pointer; padding:8px; }
.menu-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:4px 0; }

/* Trending strip (the "Russia-Ukraine latest | Global bonds..." row) */
.trending{ border-bottom:1px solid var(--line); }
.trending-inner{ display:flex; align-items:center; gap:0; overflow-x:auto; height:52px; scrollbar-width:none; }
.trending-inner::-webkit-scrollbar{ display:none; }
.trending a{
  font-family:var(--font-display); font-weight:600; font-size:15px; white-space:nowrap; padding:0 16px;
  border-right:1px solid var(--line); color:var(--ink);
}
.trending a:first-child{ padding-left:0; }
.trending a:hover{ color:var(--accent); text-decoration:none; }

/* ==========================================================================
   Ad zones — labeled, theme-matched (AdSense compliant)
   ========================================================================== */
.ad-zone{ margin:26px 0; text-align:center; }
.ad-zone .ad-label{
  font-family:var(--font-display); font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--ink-soft); margin-bottom:6px; display:flex; justify-content:space-between; align-items:baseline;
  max-width:970px; margin-left:auto; margin-right:auto;
}
.ad-zone .ad-label .ad-feedback{ font-weight:400; text-transform:none; letter-spacing:0; }
.ad-zone .ad-slot{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  min-height:90px; display:flex; align-items:center; justify-content:center;
  max-width:970px; margin:0 auto; overflow:hidden;
}
.ad-zone .ad-placeholder{ color:var(--ink-soft); font-size:13px; padding:36px 12px; }

/* In-feed native ad card — looks like a story card but carries a label */
.card.card--sponsored{ position:relative; }
.card.card--sponsored .sponsored-tag{
  position:absolute; top:8px; left:8px; z-index:2;
  background:var(--ink); color:#fff; font-family:var(--font-display); font-weight:700;
  font-size:10px; letter-spacing:0.06em; text-transform:uppercase; padding:3px 7px; border-radius:3px;
}

/* Sidebar ad well */
.ad-zone--rail{ margin:0 0 26px; }
.ad-zone--rail .ad-slot{ min-height:250px; max-width:300px; }
.ad-zone--rail .ad-label{ max-width:300px; }
.ad-zone--sticky{ position:sticky; top:84px; }

/* ==========================================================================
   Homepage grid  (left rail | lead | right rail)
   ========================================================================== */
.home-grid{
  display:grid; grid-template-columns: 300px minmax(0,1fr) 320px; gap:var(--gap);
  padding:28px 0;
}
.rail{ min-width:0; }

/* Card primitives */
.card{ display:block; margin-bottom:22px; }
.card:last-child{ margin-bottom:0; }
.card .thumb{ overflow:hidden; border-radius:var(--radius); background:var(--surface); }
.card .thumb img{ width:100%; aspect-ratio:16/10; object-fit:cover; transition:opacity .2s ease; }
.card:hover .thumb img{ opacity:.9; }
.card .kicker{
  font-family:var(--font-display); font-weight:700; font-size:12px; letter-spacing:0.04em; text-transform:uppercase;
  color:var(--accent); margin:12px 0 6px;
}
.card .card-title{ font-size:19px; line-height:1.2; margin:10px 0 0; }
.card:hover .card-title{ color:var(--accent); }
.card .card-title a:hover{ text-decoration:none; }
.card .dek{ color:var(--ink-soft); font-size:14px; margin-top:8px; }
.card .meta{ color:var(--ink-soft); font-size:13px; margin-top:8px; font-family:var(--font-display); }
.card .duration{ display:inline-flex; align-items:center; gap:5px; color:var(--ink-soft); font-size:13px; margin-top:6px; }
.card .duration::before{ content:"▶"; font-size:9px; }

/* Lead (center) story */
.lead .lead-title{ font-size:clamp(30px,4vw,42px); line-height:1.08; margin-bottom:16px; }
.lead .thumb img{ aspect-ratio:16/9; }
.lead .dek{ font-size:16px; margin-top:12px; }

/* Left rail: stacked headlines with dividers */
.rail-left .card{ padding-bottom:20px; border-bottom:1px solid var(--line); }
.rail-left .card:last-child{ border-bottom:0; }
.rail-left .card-title{ font-size:20px; }

/* Right rail: compact list + video labels */
.rail-right .card--compact{ display:grid; grid-template-columns:1fr 96px; gap:12px; align-items:start; padding-bottom:16px; border-bottom:1px solid var(--line); }
.rail-right .card--compact .thumb img{ aspect-ratio:1/1; }
.rail-right .card--compact .card-title{ font-size:16px; margin:0; }

/* ==========================================================================
   Section blocks (TECHNOLOGY / TRAVEL / MORE TOP STORIES ...)
   ========================================================================== */
.section-block{ padding:34px 0; border-top:1px solid var(--line); }
.section-head{ display:flex; align-items:center; gap:10px; margin-bottom:20px; }
.section-head::before{ content:""; width:4px; height:20px; background:var(--accent); border-radius:2px; }
.section-head h2{ font-size:16px; letter-spacing:0.06em; text-transform:uppercase; }
.section-head a.more{ margin-left:auto; font-family:var(--font-display); font-weight:600; font-size:13px; color:var(--accent); }

.section-grid{ display:grid; grid-template-columns: 300px minmax(0,1fr) 320px; gap:var(--gap); align-items:start; }
.section-grid .feature .card-title{ font-size:26px; }
.section-grid .feature .thumb img{ aspect-ratio:16/9; }

/* ==========================================================================
   Single post
   ========================================================================== */
.post-wrap{ display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:44px; padding:34px 0; }
.article{ max-width:720px; }
.article .kicker{ font-family:var(--font-display); font-weight:700; font-size:12px; letter-spacing:0.05em; text-transform:uppercase; color:var(--accent); }
.article h1{ font-size:clamp(28px,4vw,40px); line-height:1.1; margin:10px 0 14px; }
.article .byline{ color:var(--ink-soft); font-size:14px; font-family:var(--font-display); border-bottom:1px solid var(--line); padding-bottom:18px; margin-bottom:22px; display:flex; gap:12px; flex-wrap:wrap; }
.article .featured{ margin:0 0 26px; }
.article .featured img{ border-radius:var(--radius); width:100%; }
.article .featured figcaption{ font-size:13px; color:var(--ink-soft); margin-top:8px; }

.entry-content{ font-size:18px; line-height:1.72; }
.entry-content p{ margin:0 0 1.3em; }
.entry-content h2{ font-size:26px; margin:1.6em 0 .5em; }
.entry-content h3{ font-size:21px; margin:1.4em 0 .5em; }
.entry-content a{ color:var(--accent); text-decoration:underline; text-underline-offset:2px; }
.entry-content img{ border-radius:var(--radius); margin:1.5em 0; }
.entry-content blockquote{
  margin:1.6em 0; padding:6px 0 6px 22px; border-left:4px solid var(--accent);
  font-family:var(--font-display); font-size:22px; line-height:1.35; color:var(--ink);
}
.entry-content ul,.entry-content ol{ padding-left:1.4em; margin:0 0 1.3em; }
.entry-content li{ margin-bottom:.5em; }

.post-tags{ margin:28px 0; display:flex; flex-wrap:wrap; gap:8px; }
.post-tags a{ font-family:var(--font-display); font-size:13px; background:var(--surface); border:1px solid var(--line); border-radius:20px; padding:5px 14px; }
.post-tags a:hover{ border-color:var(--ink); text-decoration:none; }

/* ==========================================================================
   Archive / index listings
   ========================================================================== */
.archive-head{ padding:30px 0 6px; border-bottom:1px solid var(--line); }
.archive-head h1{ font-size:32px; }
.archive-head .count{ color:var(--ink-soft); font-size:14px; margin-top:6px; font-family:var(--font-display); }
.listing{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap); padding:28px 0; }

.pagination{ display:flex; gap:8px; justify-content:center; padding:20px 0 40px; }
.pagination a,.pagination span{
  font-family:var(--font-display); font-weight:600; font-size:14px; padding:9px 15px;
  border:1px solid var(--line); border-radius:4px;
}
.pagination .current{ background:var(--ink); color:#fff; border-color:var(--ink); }
.pagination a:hover{ border-color:var(--ink); text-decoration:none; }

/* Sidebar */
.sidebar .widget{ margin-bottom:30px; }
.sidebar .widget-title{ font-family:var(--font-display); font-size:14px; text-transform:uppercase; letter-spacing:0.05em; border-bottom:2px solid var(--ink); padding-bottom:8px; margin:0 0 14px; }
.sidebar .widget ul{ list-style:none; margin:0; padding:0; }
.sidebar .widget li{ padding:9px 0; border-bottom:1px solid var(--line); font-size:15px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background:var(--ink); color:#c9ced5; margin-top:40px; padding:44px 0 30px; }
.site-footer a{ color:#c9ced5; }
.site-footer a:hover{ color:#fff; }
.footer-cols{ display:grid; grid-template-columns:repeat(4,1fr); gap:var(--gap); }
.footer-cols h3{ color:#fff; font-size:14px; text-transform:uppercase; letter-spacing:0.05em; margin-bottom:14px; }
.footer-cols ul{ list-style:none; margin:0; padding:0; }
.footer-cols li{ padding:5px 0; font-size:14px; }
.footer-bottom{ border-top:1px solid #2a2e35; margin-top:32px; padding-top:20px; font-size:13px; color:#8a919b; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ==========================================================================
   Responsive  (mobile stacks to a single clean column, like the reference)
   ========================================================================== */
@media (max-width: 1080px){
  .home-grid, .section-grid{ grid-template-columns: minmax(0,1fr) 320px; }
  .rail-left{ grid-column:1 / -1; order:3; }
  .listing{ grid-template-columns:repeat(2,1fr); }
  .footer-cols{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 820px){
  .primary-nav, .header-tools .btn-signin, .header-tools .listen, .header-tools .watch{ display:none; }
  .menu-toggle{ display:block; }
  .primary-nav.is-open{ display:block; position:absolute; top:66px; left:0; right:0; background:#fff; border-bottom:1px solid var(--line); padding:10px 20px; }
  .primary-nav.is-open ul{ flex-direction:column; gap:0; }
  .primary-nav.is-open li{ border-bottom:1px solid var(--line); }
  .primary-nav.is-open a{ display:block; padding:12px 0; }

  .home-grid, .section-grid, .post-wrap{ grid-template-columns:1fr; }
  .rail-left, .rail-right{ order:2; }
  .lead{ order:1; }
  .lead .lead-title{ font-size:26px; }
  .article{ max-width:none; }
  .listing{ grid-template-columns:1fr; }
  .rail-right .card--compact{ grid-template-columns:1fr 110px; }
}
@media (max-width: 480px){
  .footer-cols{ grid-template-columns:1fr; }
  .masthead{ height:56px; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation:none !important; }
}