/* =========================================================================
   Kira Bách Hóa — main.css
   Magazine layout, responsive, original styling.
   ========================================================================= */

:root{
	--red:#c81e1e;
	--red-dark:#9e1212;
	--ink:#171c26;
	--ink-soft:#3c424e;
	--muted:#6b7280;
	--line:#e7e9ee;
	--bg:#ffffff;
	--bg-soft:#f6f7f9;
	--bg-dark:#171c26;
	--radius:10px;
	--shadow:0 1px 2px rgba(17,24,39,.06),0 6px 20px rgba(17,24,39,.06);
	--maxw:1180px;
	--font:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
	--serif:"Bitter",Georgia,"Times New Roman",serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
	margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
	font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--red);text-decoration:none;}
a:hover{color:var(--red-dark);}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.25;color:var(--ink);margin:0 0 .5em;font-weight:700;}
p{margin:0 0 1.1em;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px;}

/* accessibility */
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--red);color:#fff;padding:10px 16px;z-index:1000;}
.skip-link:focus{left:8px;top:8px;}
:focus-visible{outline:3px solid rgba(200,30,30,.4);outline-offset:2px;}

/* ---- buttons ---- */
.btn{display:inline-block;padding:11px 22px;border-radius:8px;font-weight:600;font-family:var(--font);
	cursor:pointer;border:2px solid transparent;transition:.15s ease;text-align:center;}
.btn-primary{background:var(--red);color:#fff;border-color:var(--red);}
.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);color:#fff;}
.btn-outline{background:transparent;color:var(--red);border-color:var(--red);}
.btn-outline:hover{background:var(--red);color:#fff;}
.btn-block{display:block;width:100%;}

/* ---- topbar ---- */
.topbar{background:var(--bg-dark);color:#cfd4dd;font-size:13px;}
.topbar a{color:#cfd4dd;}
.topbar a:hover{color:#fff;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar-links{display:flex;gap:18px;}

/* ---- header ---- */
.site-header{border-bottom:1px solid var(--line);background:#fff;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 18px;}
.site-branding{display:flex;flex-direction:column;gap:2px;}
.kbh-logo img,.custom-logo{height:54px;width:auto;}
.site-description{margin:0;color:var(--muted);font-size:13px;}
.header-actions{display:flex;align-items:center;gap:14px;}

/* ---- search form ---- */
.kbh-search-form{display:flex;align-items:center;background:var(--bg-soft);border:1px solid var(--line);border-radius:30px;overflow:hidden;}
.kbh-search-form .search-field{border:0;background:transparent;padding:9px 14px;font-size:14px;width:200px;outline:none;font-family:var(--font);}
.kbh-search-form .search-submit{border:0;background:var(--red);color:#fff;width:40px;height:38px;font-size:18px;cursor:pointer;}
.kbh-search-form .search-submit:hover{background:var(--red-dark);}

/* ---- main navigation ---- */
.main-navigation{background:var(--red);}
.main-navigation .container{display:flex;}
.nav-menu{list-style:none;display:flex;flex-wrap:wrap;margin:0;padding:0;}
.nav-menu li{position:relative;}
.nav-menu a{display:block;color:#fff;padding:13px 16px;font-weight:600;font-size:15px;}
.nav-menu a:hover,.nav-menu .current-menu-item>a,.nav-menu .current-cat>a{background:var(--red-dark);color:#fff;}
.nav-menu ul{position:absolute;top:100%;left:0;min-width:200px;background:#fff;list-style:none;margin:0;padding:6px 0;
	box-shadow:var(--shadow);border:1px solid var(--line);display:none;z-index:50;}
.nav-menu li:hover>ul{display:block;}
.nav-menu ul a{color:var(--ink);padding:9px 16px;}
.nav-menu ul a:hover{background:var(--bg-soft);color:var(--red);}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:38px;background:var(--bg-soft);
	border:1px solid var(--line);border-radius:8px;cursor:pointer;}
.menu-toggle .bar{display:block;height:2px;width:20px;margin:0 auto;background:var(--ink);transition:.2s;}

/* ---- layout grids ---- */
.content-area{padding:30px 18px 50px;}
.content-area.has-sidebar{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start;}
.content-area.no-sidebar{max-width:860px;}
.primary-area{min-width:0;}

/* breadcrumb */
.kbh-breadcrumb{font-size:13px;color:var(--muted);margin-bottom:16px;}
.kbh-breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;}
.kbh-breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--muted);}
.kbh-breadcrumb a{color:var(--muted);}
.kbh-breadcrumb a:hover{color:var(--red);}

/* page headers */
.page-header{margin-bottom:24px;}
.page-title{font-size:30px;}
.page-title span{color:var(--red);}
.page-subtitle,.archive-description,.category-description{color:var(--muted);margin:0;}
.category-eyebrow{display:inline-block;background:var(--red);color:#fff;font-size:12px;font-weight:700;
	padding:3px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;font-family:var(--font);}

/* block title (section heading) */
.block-title{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--ink);
	padding-bottom:8px;margin:0 0 20px;font-size:22px;}
.block-title>span,.block-title>a span{position:relative;display:inline-block;padding-bottom:8px;border-bottom:3px solid var(--red);margin-bottom:-10px;}
.block-more{font-family:var(--font);font-size:13px;font-weight:600;color:var(--muted);}
.block-more:hover{color:var(--red);}

/* ---- card grid ---- */
.card-grid{display:grid;gap:24px;}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr);}
.card-grid.cols-4{grid-template-columns:repeat(4,1fr);}

.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
	display:flex;flex-direction:column;transition:.18s ease;}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.card-thumb{position:relative;display:block;aspect-ratio:3/2;overflow:hidden;background:var(--bg-soft);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s ease;}
.post-card:hover .card-thumb img{transform:scale(1.05);}
.card-badge{position:absolute;left:10px;top:10px;background:var(--red);color:#fff;font-size:11px;font-weight:700;
	padding:4px 10px;border-radius:4px;text-transform:uppercase;letter-spacing:.03em;}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-title{font-size:17px;margin:0;line-height:1.35;}
.card-title a{color:var(--ink);}
.card-title a:hover{color:var(--red);}
.card-excerpt{color:var(--muted);font-size:14px;margin:0;flex:1;}
.card-meta{color:var(--muted);font-size:12.5px;display:flex;align-items:center;gap:8px;}
.card-meta .dot{opacity:.5;}

/* ---- home hero ---- */
.home-hero{padding:28px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;}
.hero-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.hero-main .hero-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;}
.hero-main .hero-thumb img{width:100%;height:100%;object-fit:cover;}
.hero-main-body{padding:18px 20px 22px;}
.hero-title{font-size:26px;margin:0 0 10px;}
.hero-title a{color:var(--ink);}
.hero-title a:hover{color:var(--red);}
.hero-excerpt{color:var(--muted);margin:0 0 12px;}
.hero-side{display:flex;flex-direction:column;gap:16px;}
.hero-mini{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px;}
.hero-mini-thumb{flex:0 0 96px;width:96px;height:70px;border-radius:7px;overflow:hidden;background:var(--bg-soft);}
.hero-mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-cat{display:inline-block;color:var(--red);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;}
.hero-mini-title{font-size:15px;margin:3px 0 0;line-height:1.35;font-family:var(--font);font-weight:600;}
.hero-mini-title a{color:var(--ink);}
.hero-mini-title a:hover{color:var(--red);}

/* ---- home blocks ---- */
.home-block{padding:26px 0;}
.home-block:nth-child(even){background:var(--bg-soft);}
.home-latest{padding:30px 0;background:var(--bg-soft);}
.home-latest .content-area{padding:0 18px;}
.latest-cta{text-align:center;margin-top:26px;}

/* ---- single / page content ---- */
.single-post,.single-page{background:#fff;}
.entry-header{margin-bottom:18px;}
.entry-title{font-size:32px;line-height:1.2;margin:0 0 12px;}
.entry-lead{font-size:18px;color:var(--ink-soft);font-weight:500;margin:0 0 14px;}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:13.5px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;}
.entry-meta .meta-cat a{color:var(--red);font-weight:600;}
.entry-figure{margin:0 0 22px;border-radius:var(--radius);overflow:hidden;}
.entry-featured{width:100%;height:auto;}
.entry-content{font-size:16.5px;line-height:1.8;}
.entry-content h2{font-size:24px;margin:1.5em 0 .5em;}
.entry-content h3{font-size:20px;margin:1.3em 0 .4em;}
.entry-content img{border-radius:var(--radius);margin:1em 0;}
.entry-content ul,.entry-content ol{padding-left:1.3em;margin:0 0 1.1em;}
.entry-content li{margin-bottom:.4em;}
.entry-content blockquote{border-left:4px solid var(--red);background:var(--bg-soft);margin:1.2em 0;padding:12px 18px;color:var(--ink-soft);font-style:italic;border-radius:0 8px 8px 0;}
.entry-content table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px;}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.entry-content thead th{background:var(--bg-soft);font-family:var(--font);}
.entry-content a{text-decoration:underline;text-underline-offset:2px;}

.entry-footer{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;}
.entry-tags{font-size:14px;color:var(--muted);}
.entry-share{display:flex;align-items:center;gap:8px;font-size:13px;}
.entry-share .share{background:var(--bg-soft);border:1px solid var(--line);padding:5px 12px;border-radius:20px;color:var(--ink-soft);font-weight:600;}
.entry-share .share:hover{background:var(--red);color:#fff;border-color:var(--red);}

/* contact form */
.kbh-contact-form input,.kbh-contact-form textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-family:var(--font);font-size:15px;margin-top:5px;background:#fff;}
.kbh-contact-form label{font-weight:600;font-size:14px;}

/* related */
.kbh-related{margin-top:40px;}

/* ---- sidebar / widgets ---- */
.sidebar .widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:24px;}
.widget-title{font-size:17px;margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid var(--red);font-family:var(--serif);}
.widget ul{list-style:none;margin:0;padding:0;}
.widget_categories li,.widget ul li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--line);}
.widget ul li a{color:var(--ink-soft);}
.widget ul li a:hover{color:var(--red);}
.recent-list{display:flex;flex-direction:column;gap:14px;}
.recent-item{display:flex;gap:12px;border:0;padding:0;}
.recent-thumb{flex:0 0 64px;width:64px;height:48px;border-radius:6px;overflow:hidden;background:var(--bg-soft);}
.recent-thumb img{width:100%;height:100%;object-fit:cover;}
.recent-title{font-weight:600;font-size:14px;color:var(--ink);line-height:1.35;display:block;}
.recent-title:hover{color:var(--red);}
.recent-date{font-size:12px;color:var(--muted);}
.widget_tagline p{font-size:14px;color:var(--muted);}

/* ---- pagination ---- */
.pagination,.nav-links{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap;}
.pagination .page-numbers{display:inline-block;padding:9px 15px;border:1px solid var(--line);border-radius:8px;color:var(--ink-soft);background:#fff;font-weight:600;}
.pagination .page-numbers.current{background:var(--red);color:#fff;border-color:var(--red);}
.pagination a.page-numbers:hover{border-color:var(--red);color:var(--red);}

/* no results */
.no-results{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px 24px;}

/* 404 */
.error-404{text-align:center;padding:40px 0;}
.error-code{font-family:var(--serif);font-size:90px;font-weight:800;color:var(--red);line-height:1;margin:0;}
.error-404 .kbh-search-form{max-width:380px;margin:18px auto;}
.error-suggest{margin-top:40px;text-align:left;}

/* ---- footer ---- */
.site-footer{background:var(--bg-dark);color:#c4cad4;margin-top:30px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:46px 18px 34px;}
.footer-brand .kbh-logo img,.footer-brand .custom-logo{height:52px;}
.footer-about{font-size:14px;color:#aeb6c2;margin:14px 0 16px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;}
.footer-social a:hover{background:var(--red);}
.footer-col h4.widget-title{color:#fff;border-color:var(--red);}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{padding:6px 0;border:0;}
.footer-col a{color:#aeb6c2;}
.footer-col a:hover{color:#fff;}
.footer-contact li{color:#aeb6c2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding:16px 18px;font-size:13px;color:#9aa3b1;}
.footer-menu{list-style:none;display:flex;gap:16px;margin:0;padding:0;}
.footer-menu a{color:#9aa3b1;}
.footer-menu a:hover{color:#fff;}

/* back to top */
.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;
	border:0;font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transition:.25s;box-shadow:var(--shadow);z-index:90;}
.back-to-top.show{opacity:1;visibility:visible;}
.back-to-top:hover{background:var(--red-dark);}

/* ---- responsive ---- */
@media(max-width:1024px){
	.content-area.has-sidebar{grid-template-columns:minmax(0,1fr) 290px;gap:28px;}
	.hero-grid{grid-template-columns:1.4fr 1fr;}
}
@media(max-width:880px){
	.content-area.has-sidebar{grid-template-columns:1fr;}
	.sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
	.sidebar .widget{margin-bottom:0;}
	.hero-grid{grid-template-columns:1fr;}
	.card-grid.cols-4{grid-template-columns:repeat(2,1fr);}
	.footer-top{grid-template-columns:1fr 1fr;}
}
@media(max-width:760px){
	.menu-toggle{display:flex;}
	.main-navigation .container{display:block;}
	.nav-menu{display:none;flex-direction:column;padding:8px 0;}
	.nav-menu.is-open{display:flex;}
	.nav-menu a{padding:12px 18px;border-bottom:1px solid var(--red-dark);}
	.nav-menu ul{position:static;display:block;box-shadow:none;border:0;background:var(--red-dark);}
	.nav-menu ul a{color:#fff;}
	.menu-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
	.menu-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0;}
	.menu-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
	.header-inner{flex-wrap:wrap;}
	.kbh-search-form .search-field{width:140px;}
	.topbar-links{gap:12px;}
}
@media(max-width:560px){
	.card-grid.cols-2,.card-grid.cols-3,.card-grid.cols-4{grid-template-columns:1fr;}
	.sidebar{grid-template-columns:1fr;}
	.footer-top{grid-template-columns:1fr;}
	.entry-title{font-size:26px;}
	.page-title{font-size:24px;}
	.hero-title{font-size:22px;}
	.topbar-links{display:none;}
	.entry-content table{display:block;overflow-x:auto;}
}