/*
Theme Name: MuseAI
Theme URI: https://museai.blog/
Author: MuseAI
Author URI: https://museai.blog/
Description: A fast, modern magazine theme for museai.blog — AI tools, reviews, guides and trends. No page builders, no jQuery, vanilla JS only.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
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: museai
Tags: blog, news, magazine, ai, technology, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/
/* ============ Tokens & base ============ */
:root{
  --indigo:#4F46E5; --violet:#8B5CF6; --dark:#111827; --gray:#6B7280;
  --light:#9CA3AF; --bg:#F9FAFB; --card:#FFFFFF; --border:#E5E7EB;
  --grad:linear-gradient(135deg,#4F46E5 0%,#8B5CF6 100%);
  --radius:12px; --shadow:0 4px 18px rgba(17,24,39,.08);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--dark);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
a{color:var(--indigo);text-decoration:none}
a:hover{color:var(--violet)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--dark);color:#fff;padding:8px 14px;z-index:200}
.skip-link:focus{left:8px;top:8px}
/* ============ Topbar ============ */
.topbar{background:var(--dark);color:#CBD5E1;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:7px;padding-bottom:7px}
.topbar .tagline{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ============ Header ============ */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;gap:24px;padding:14px 0}
.site-branding{flex-shrink:0}
.site-branding img{height:44px;width:auto}
.site-title{font-size:24px;font-weight:800;margin:0}
.site-title a{color:var(--dark)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.main-nav a{display:block;padding:10px 14px;color:var(--dark);font-weight:600;font-size:15px;border-radius:8px}
.main-nav a:hover{background:#EEF2FF;color:var(--indigo)}
.main-nav .current-menu-item>a{background:var(--grad);color:#fff}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:8px}
.icon-btn{background:none;border:1px solid var(--border);border-radius:10px;width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--dark)}
.icon-btn:hover{border-color:var(--indigo);color:var(--indigo)}
.icon-btn svg{width:20px;height:20px}
.menu-toggle{display:none}
.header-search{display:none;border-top:1px solid var(--border);padding:14px 0;background:#fff}
.header-search.open{display:block}
.header-search form{display:flex;gap:10px;max-width:640px;margin:0 auto}
.header-search input[type=search]{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit}
.header-search button{padding:12px 22px;background:var(--grad);color:#fff;border:0;border-radius:10px;font-weight:700;cursor:pointer;font-size:15px}
/* ============ Hero ============ */
.hero{padding:32px 0 8px}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}
.hero-main{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;display:flex;box-shadow:var(--shadow)}
.hero-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,24,39,0) 30%,rgba(17,24,39,.88) 100%)}
.hero-content{position:relative;margin-top:auto;padding:28px;color:#fff;z-index:2}
.hero-content h2{font-size:clamp(24px,3vw,36px);margin:.4em 0 .3em}
.hero-content h2 a{color:#fff}
.hero-content h2 a:hover{color:#DDD6FE}
.hero-side{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.hero-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:200px;display:flex;box-shadow:var(--shadow);background:var(--dark)}
.hero-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-card .hero-content{padding:18px}
.hero-card h3{font-size:17px;margin:.35em 0 0}
.hero-card h3 a{color:#fff}
.badge{display:inline-block;background:var(--grad);color:#fff;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:5px 12px;border-radius:999px}
.badge.light{background:rgba(255,255,255,.92);color:var(--indigo)}
.post-meta{font-size:13px;color:var(--light);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero-content .post-meta{color:#D1D5E1}
/* ============ Sections & cards ============ */
.section{padding:36px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;border-bottom:2px solid var(--border);padding-bottom:12px}
.section-head h2{font-size:24px;margin:0;display:flex;align-items:center;gap:10px}
.section-head h2::before{content:"";width:6px;height:26px;background:var(--grad);border-radius:3px;display:inline-block}
.view-all{font-size:14px;font-weight:700}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;background:#EEF2FF}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.card-thumb .badge{position:absolute;top:12px;left:12px}
.card-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{font-size:17px;margin:0}
.card-body h3 a{color:var(--dark)}
.card-body h3 a:hover{color:var(--indigo)}
.card-excerpt{font-size:14px;color:var(--gray);margin:0;flex:1}
.card.with-side{display:grid;grid-template-columns:120px 1fr}
.card.with-side .card-thumb{aspect-ratio:1/1}
/* ============ Newsletter ============ */
.newsletter{background:var(--dark);border-radius:16px;padding:44px 32px;text-align:center;color:#fff;position:relative;overflow:hidden}
.newsletter::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 50% -60px,rgba(139,92,246,.5),transparent)}
.newsletter h2{color:#fff;font-size:26px;position:relative}
.newsletter p{color:#CBD5E1;position:relative;max-width:560px;margin:0 auto 20px}
.newsletter form{position:relative;display:flex;gap:10px;max-width:520px;margin:0 auto}
.newsletter input[type=email]{flex:1;padding:14px 18px;border-radius:10px;border:0;font-size:15px;font-family:inherit}
.newsletter button{padding:14px 26px;background:var(--grad);color:#fff;border:0;border-radius:10px;font-weight:700;cursor:pointer;font-size:15px;white-space:nowrap}
.newsletter .thanks{display:none;color:#A7F3D0;font-weight:600;position:relative}
/* ============ Single post ============ */
.single-wrap{padding:36px 0}
.crumbs{font-size:13px;color:var(--gray);margin-bottom:14px}
.crumbs a{color:var(--gray)}
.crumbs a:hover{color:var(--indigo)}
.post-header{max-width:820px;margin:0 auto 24px}
.post-header h1{font-size:clamp(28px,4vw,42px);letter-spacing:-.02em}
.post-meta-row{display:flex;gap:16px;align-items:center;color:var(--gray);font-size:14px;margin:14px 0;flex-wrap:wrap}
.post-featured{max-width:1000px;margin:0 auto 30px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.post-featured img{width:100%}
.post-body{max-width:760px;margin:0 auto;font-size:17.5px}
.post-body h2{font-size:26px;margin-top:1.8em}
.post-body h3{font-size:21px;margin-top:1.6em}
.post-body img{border-radius:10px;margin:1.4em auto}
.post-body blockquote{border-left:4px solid var(--indigo);background:#EEF2FF;margin:1.5em 0;padding:16px 22px;border-radius:0 10px 10px 0;font-style:italic}
.post-body pre{background:var(--dark);color:#E5E7EB;padding:18px;border-radius:10px;overflow:auto;font-size:14px}
.post-body code{background:#EEF2FF;padding:2px 7px;border-radius:6px;font-size:.88em}
.post-body pre code{background:none;padding:0}
.post-body ul,.post-body ol{padding-left:24px}
.post-body li{margin-bottom:.5em}
.post-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.post-body th,.post-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.post-body th{background:#EEF2FF}
.post-tags{max-width:760px;margin:30px auto 0;display:flex;gap:8px;flex-wrap:wrap}
.post-tags a{background:#EEF2FF;color:var(--indigo);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px}
.author-box{max-width:760px;margin:30px auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;gap:18px;align-items:center}
.author-box img{border-radius:50%;width:72px;height:72px}
.author-box h4{margin:0 0 6px}
.author-box p{margin:0;font-size:14px;color:var(--gray)}
.prev-next{max-width:760px;margin:30px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.prev-next a{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;color:var(--dark);font-weight:600;font-size:15px}
.prev-next a:hover{border-color:var(--indigo)}
.prev-next span{display:block;font-size:12px;color:var(--light);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.prev-next .next{text-align:right}
.related{max-width:1200px;margin:50px auto 0}
/* ============ Layout with sidebar ============ */
.layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.layout .cards{grid-template-columns:repeat(2,1fr)}
.sidebar{position:sticky;top:110px;display:flex;flex-direction:column;gap:26px}
.widget{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.widget h3{font-size:17px;margin:0 0 16px;padding-bottom:10px;border-bottom:2px solid var(--border)}
.widget ul{list-style:none;margin:0;padding:0}
.widget li{margin-bottom:10px;font-size:15px}
.widget .cat-count{background:#EEF2FF;color:var(--indigo);font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px;margin-left:8px}
.widget .recent{display:flex;gap:12px;align-items:center}
.widget .recent img{width:64px;height:64px;object-fit:cover;border-radius:8px;flex-shrink:0}
.widget .recent a{color:var(--dark);font-weight:600;font-size:14px;line-height:1.4}
.widget .tagcloud a{display:inline-block;background:var(--bg);border:1px solid var(--border);font-size:13px!important;padding:5px 12px;border-radius:999px;margin:0 6px 8px 0;color:var(--gray)}
.widget .tagcloud a:hover{border-color:var(--indigo);color:var(--indigo)}
.widget_search form{display:flex}
.widget_search input[type=search]{flex:1;padding:11px 14px;border:1px solid var(--border);border-radius:10px 0 0 10px;font-family:inherit;font-size:14px}
.widget_search button{padding:11px 18px;background:var(--grad);color:#fff;border:0;border-radius:0 10px 10px 0;font-weight:700;cursor:pointer}
/* ============ Archive headers ============ */
.archive-head{background:#fff;border-bottom:1px solid var(--border);padding:40px 0;margin-bottom:30px}
.archive-head h1{font-size:32px;margin:0 0 8px}
.archive-head p{color:var(--gray);margin:0;max-width:700px}
.archive-head .count{font-size:13px;color:var(--light);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
/* ============ Pagination ============ */
.pagination{display:flex;gap:8px;justify-content:center;margin:40px 0 10px;flex-wrap:wrap}
.pagination .page-numbers{padding:10px 16px;border:1px solid var(--border);border-radius:10px;color:var(--dark);font-weight:600;background:#fff;font-size:14px}
.pagination .page-numbers.current{background:var(--grad);color:#fff;border-color:transparent}
.pagination a.page-numbers:hover{border-color:var(--indigo);color:var(--indigo)}
/* ============ Footer ============ */
.site-footer{background:var(--dark);color:#CBD5E1;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:54px 0 40px}
.site-footer h4{color:#fff;font-size:16px;margin:0 0 18px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:10px}
.site-footer a{color:#CBD5E1;font-size:15px}
.site-footer a:hover{color:#fff}
.footer-about img{height:40px;margin-bottom:16px}
.footer-about p{font-size:14px;color:#94A3B8}
.footer-recent li{display:flex;gap:10px;align-items:center;font-size:14px}
.footer-recent img{width:52px;height:52px;object-fit:cover;border-radius:8px;flex-shrink:0}
.copyright{border-top:1px solid #1F2937;padding:20px 0;font-size:13px;color:#94A3B8}
.copyright .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
/* ============ Comments ============ */
.comments-area{max-width:760px;margin:40px auto 0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.comment-list{list-style:none;margin:0 0 24px;padding:0}
.comment-list li{margin-bottom:20px}
.comment-body{border:1px solid var(--border);border-radius:10px;padding:16px}
.comment-meta{font-size:13px;color:var(--gray);margin-bottom:8px}
.comment-form label{display:block;font-size:14px;font-weight:600;margin:12px 0 6px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-family:inherit;font-size:15px}
.comment-form input[type=submit]{margin-top:14px;padding:13px 28px;background:var(--grad);color:#fff;border:0;border-radius:10px;font-weight:700;cursor:pointer;font-size:15px}
/* ============ 404 / search ============ */
.not-found{text-align:center;padding:80px 20px}
.not-found h1{font-size:72px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:0}
.not-found p{color:var(--gray)}
.btn{display:inline-block;background:var(--grad);color:#fff!important;font-weight:700;padding:13px 30px;border-radius:10px}
.search-results-head{font-size:15px;color:var(--gray)}
.search-results-head strong{color:var(--dark)}
/* ============ Responsive ============ */
@media(max-width:1020px){
  .hero-grid{grid-template-columns:1fr}
  .hero-side{grid-template-columns:1fr 1fr}
  .cards,.cards.four{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;align-items:start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:10px 20px 20px}
  .menu-toggle{display:inline-flex}
  .header-inner{position:relative;flex-wrap:wrap}
  .hero-side{grid-template-columns:1fr}
  .cards,.cards.four,.layout .cards{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .newsletter form{flex-direction:column}
  .prev-next{grid-template-columns:1fr}
  .topbar .date{display:none}
  .post-body{font-size:16.5px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card:hover{transform:none}}