/*
Theme Name: SocHub
Author: Phạm Ngọc Linh
Description: Chủ đề đánh giá nhà cái — bố cục hero 4, header 2, thẻ bài kiểu 6, hệ lớp flat.
Version: 1.0.0
Text Domain: sochub
*/

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:'Nunito Sans', 'Segoe UI', sans-serif;background:#f5f5fa;color:#1a192e;line-height:1.65;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:#2216d0;text-decoration:none}
a:hover{color:#80e718}
ul{list-style:none}
h1,h2,h3,h4{font-family:'Oswald', 'Arial Black', sans-serif;line-height:1.18;font-weight:700;letter-spacing:.01em}
.bih-wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.bih-btn{display:inline-block;padding:12px 26px;border-radius:10px;font-weight:700;color:#ffffff;background:linear-gradient(120deg,#2216d0,#a816d4);box-shadow:0 6px 18px rgba(0,0,0,.22);transition:transform .18s ease,filter .18s ease;text-align:center}
.bih-btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.bih-btn-sm{padding:8px 18px;font-size:14px}
.bih-btn-lg{padding:15px 34px;font-size:17px}
.bih-btn-ghost{background:transparent;color:#1a192e;border:2px solid #2216d0;box-shadow:none}
.bih-topbar{background:#ffffff;border-bottom:1px solid #d4d3e3;position:sticky;top:0;z-index:60}
.bih-topbar,.bih-topbar-stacked,.bih-topbar-burger,.bih-topbar-dual,.bih-topbar-flip,.bih-topbar-split{background:#ffffff}
.bih-topbar-row{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap}
.bih-topbar-row-mid{justify-content:center;position:relative}
.bih-logo{display:inline-flex;align-items:center;gap:10px}
.site-logo{max-height:48px;width:auto}
.bih-logoname{font-family:'Oswald', 'Arial Black', sans-serif;font-size:22px;color:#1a192e}
.bih-topbar-side{margin-left:auto;display:flex;gap:10px;align-items:center}
.bih-topbar-flip .bih-logo{margin-left:auto}
.bih-topbar-flip .bih-topbar-side{margin-left:0}
.bih-topbar-util{background:#f5f5fa;border-bottom:1px solid #d4d3e3;font-size:13px}
.bih-topbar-util .bih-topbar-row{min-height:38px;justify-content:space-between}
.bih-topbar-tag{color:#65637e}
.bih-link{color:#1a192e;font-weight:600;font-size:14px;padding:6px 2px}
.bih-link:hover{color:#80e718}
.bih-chip{display:inline-block;margin:4px 6px 0 0;padding:5px 14px;border:1px solid #d4d3e3;border-radius:999px;font-size:13px;color:#1a192e}
.bih-topbar-mid{flex:1;display:flex;flex-direction:column;align-items:flex-start}
.bih-burger{display:none;background:none;border:1px solid #d4d3e3;color:#1a192e;font-size:20px;width:42px;height:42px;border-radius:9px;cursor:pointer}
.bih-nav ul,.bih-nav-list{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.bih-nav a,.bih-nav-list a{display:block;padding:10px 12px;color:#1a192e;font-weight:600;font-size:15px}
.bih-nav a,.bih-nav-list a:hover{color:#80e718}
.bih-nav-center{border-top:1px solid #d4d3e3;padding:8px 0;text-align:center}
.bih-nav-center ul,.bih-nav-center .bih-nav-list{justify-content:center}
.bih-nav-panel{display:none;border-top:1px solid #d4d3e3;padding:14px 18px;background:#ffffff}
.bih-nav-panel,.bih-nav-panel ul{flex-direction:column;align-items:flex-start}
.bih-nav-open{display:block}
.bih-nav-ctas{margin-top:12px;display:flex;gap:16px}
.bih-hero{position:relative;overflow:hidden}
.bih-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bih-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,14,.86),rgba(5,8,14,.35))}
.bih-hero-inner{position:relative;padding:92px 0;max-width:640px}
.bih-hero-inner h1{font-size:46px;margin:14px 0;color:#fff}
.bih-hero-inner h1 span{color:#80e718}
.bih-hero-kicker{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:13px;letter-spacing:.04em;text-transform:uppercase}
.bih-hero-desc{color:rgba(255,255,255,.82);margin-bottom:26px;font-size:17px}
.bih-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.bih-hero-trust{display:flex;gap:28px;flex-wrap:wrap}
.bih-hero-trust b{display:block;font-size:24px;color:#fff}
.bih-hero-trust span{font-size:13px;color:rgba(255,255,255,.7)}
.bih-hero-center .bih-hero-shade{background:rgba(5,8,14,.66)}
.bih-hero-inner-center{position:relative;padding:100px 0;text-align:center;max-width:760px;margin:0 auto}
.bih-hero-inner-center h1{font-size:48px;margin:14px 0;color:#fff}
.bih-hero-inner-center h1 span{color:#80e718}
.bih-hero-inner-center .bih-hero-actions{justify-content:center}
.bih-hero-split{background:linear-gradient(135deg,#f5f5fa,#ffffff)}
.bih-hero-split-in{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;padding:72px 18px}
.bih-hero-split h1{font-size:44px;margin:14px 0}
.bih-hero-split h1 span{color:#2216d0}
.bih-hero-split .bih-hero-desc{color:#65637e}
.bih-hero-split .bih-hero-trust b{color:#2216d0}
.bih-hero-split .bih-hero-trust span{color:#65637e}
.bih-hero-frame{border-radius:18px;overflow:hidden;box-shadow:0 22px 50px rgba(0,0,0,.35);border:1px solid #d4d3e3}
.bih-hero-float{position:relative}
.bih-hero-banner{position:relative;overflow:hidden}
.bih-hero-float .bih-hero-inner{padding:76px 0 108px}
.bih-float{position:relative;z-index:5;margin-top:-52px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 26px;border-radius:18px;background:#ffffff;border:1px solid #d4d3e3;box-shadow:0 18px 40px rgba(0,0,0,.25)}
.bih-float-txt b{display:block;font-size:17px}
.bih-float-txt span{font-size:13px;color:#65637e}
.bih-hero-band{background:linear-gradient(120deg,#2216d0,#a816d4)}
.bih-hero-band h1{font-size:52px;color:#fff}
.bih-hero-band h1 span{color:#ffffff}
.bih-hero-band .bih-hero-desc{color:rgba(255,255,255,.9)}
.bih-hero-band .bih-hero-kicker{background:rgba(0,0,0,.18);border-color:rgba(255,255,255,.4)}
.bih-block{padding:58px 0}
.bih-block-alt{background:#ffffff}
.bih-block-head{margin-bottom:30px;text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.bih-block-title{font-size:30px}
.bih-block-sub{color:#65637e;font-size:15px}
.bih-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bih-card{background:#ffffff;border-radius:18px;overflow:hidden;border:1px solid #d4d3e3;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.bih-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,0,0,.18)}
.bih-card-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden}
.bih-card-media img{width:100%;height:100%;object-fit:cover}
.bih-card-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.bih-card-title{font-size:17px}
.bih-card-title a{color:#1a192e}
.bih-card-title a:hover{color:#80e718}
.bih-card-excerpt{color:#65637e;font-size:14px}
.bih-card-date{font-size:12px;color:#65637e}
.bih-card-cat{position:absolute;top:10px;left:10px;background:#2216d0;color:#ffffff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:9px}
.bih-card-more{margin-top:auto;font-weight:700;font-size:14px;color:#2216d0}
.bih-badge{position:absolute;top:10px;right:10px;z-index:2;width:54px;height:54px;border-radius:50%;background:#80e718;color:#ffffff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.bih-card-cap{position:absolute;inset:auto 0 0 0;padding:38px 16px 14px;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.bih-card-cap b{color:#fff;font-size:17px}
.bih-grid-row .bih-card{flex-direction:row}
.bih-grid-row .bih-card-media{width:38%;aspect-ratio:auto;min-height:170px;flex:none}
.bih-grid-row{grid-template-columns:1fr;gap:18px}
.bih-grid-line .bih-card{border:2px solid #2216d0;background:transparent;box-shadow:none}
.bih-grid-cover{grid-template-columns:repeat(2,1fr)}
.bih-grid-cover .bih-card-media{aspect-ratio:16/9}
.bih-grid-drop .bih-card:nth-child(even){transform:translateY(22px)}
.bih-grid-drop .bih-card:nth-child(even):hover{transform:translateY(18px)}
.bih-grid-drop{padding-bottom:26px}
.bih-pager{margin-top:34px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.bih-pager a,.bih-pager span{display:inline-block;min-width:42px;padding:10px 14px;border:1px solid #d4d3e3;border-radius:9px;color:#1a192e;font-weight:600;text-align:center}
.bih-pager .current,.bih-pager a:hover{background:#2216d0;border-color:#2216d0;color:#ffffff}
.bih-games{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.bih-game{background:#ffffff;border:1px solid #d4d3e3;border-radius:18px;padding:26px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.bih-game img{width:92px;height:92px;border-radius:18px}
.bih-game h3{font-size:18px}
.bih-game p{color:#65637e;font-size:14px;flex:1}
.bih-twrap{overflow-x:auto}
.bih-table{width:100%;border-collapse:collapse;background:#ffffff}
.bih-table th,.bih-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #d4d3e3}
.bih-table th{background:#2216d0;color:#ffffff;font-size:14px;text-transform:uppercase;letter-spacing:.03em}
.bih-table tr:hover td{background:rgba(127,127,127,.06)}
.bih-table-row-hot td{outline:2px solid #80e718}
.bih-timeline{position:relative;padding-left:30px;border-left:3px solid #2216d0;display:flex;flex-direction:column;gap:26px}
.bih-timeline-item{position:relative}
.bih-timeline-item:before{content:'';position:absolute;left:-39px;top:6px;width:15px;height:15px;border-radius:50%;background:#80e718}
.bih-timeline-year{font-family:'Oswald', 'Arial Black', sans-serif;font-size:22px;color:#2216d0}
.bih-timeline-item p{color:#65637e}
.bih-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bih-quote{background:#ffffff;border:1px solid #d4d3e3;border-radius:18px;padding:24px}
.bih-stars{color:#80e718;letter-spacing:2px;margin-bottom:10px}
.bih-quote p{color:#65637e;font-size:15px}
.bih-quote-who{margin-top:14px;display:flex;flex-direction:column}
.bih-quote-who span{font-size:13px;color:#65637e}
.bih-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.bih-tile{position:relative;display:block;border-radius:18px;overflow:hidden;aspect-ratio:4/5}
.bih-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.bih-tile:hover img{transform:scale(1.06)}
.bih-tile-cap{position:absolute;inset:auto 0 0 0;padding:34px 16px 14px;background:linear-gradient(transparent,rgba(0,0,0,.88));display:flex;flex-direction:column}
.bih-tile-cap b{color:#fff;font-size:19px}
.bih-tile-cap span{color:rgba(255,255,255,.75);font-size:13px}
.bih-faq{max-width:840px;display:flex;flex-direction:column;gap:14px}
.bih-faq-item{border:1px solid #d4d3e3;border-radius:18px;padding:20px 22px;background:#ffffff}
.bih-faq-item h3{font-size:17px;margin-bottom:8px}
.bih-faq-item p{color:#65637e;font-size:15px}
.bih-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.bih-stat{text-align:center;padding:30px 14px;border-radius:18px;background:linear-gradient(150deg,#2216d022,#a816d422);border:1px solid #d4d3e3}
.bih-stat b{font-family:'Oswald', 'Arial Black', sans-serif;font-size:38px;color:#2216d0;display:block}
.bih-stat span{color:#65637e;font-size:14px}
.bih-dl{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.bih-dl-text p{color:#65637e;margin:12px 0}
.bih-dl-list{margin:0 0 22px;color:#65637e}
.bih-dl-list li{padding-left:22px;position:relative;margin-bottom:6px}
.bih-dl-list li:before{content:'✓';position:absolute;left:0;color:#80e718}
.bih-dl-img{border-radius:18px;overflow:hidden;box-shadow:0 18px 44px rgba(0,0,0,.3)}
.bih-partners{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.bih-partner{padding:12px 24px;border:1px dashed #d4d3e3;border-radius:9px;color:#65637e;font-weight:600}
.bih-outro{max-width:880px;color:#65637e}
.bih-footer{margin-top:40px;background:#ffffff;border-top:1px solid #d4d3e3}
.bih-footer-cols{display:grid;gap:30px;padding:50px 0 34px}
.bih-footer-cols-c2{grid-template-columns:1.2fr .8fr}
.bih-footer-cols-c3{grid-template-columns:1.1fr .8fr .8fr}
.bih-footer-cols-c4{grid-template-columns:1.2fr .8fr .8fr .8fr}
.bih-footer-title{font-size:16px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em}
.bih-footer ul li{margin-bottom:8px}
.bih-footer ul a{color:#65637e}
.bih-footer ul a:hover{color:#80e718}
.bih-footer p{color:#65637e;font-size:14px}
.bih-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.bih-footer-cta-row{border-top:1px solid #d4d3e3;padding:14px 0;display:flex;justify-content:center}
.bih-footer-cta-row .bih-link{margin:0 14px;font-size:13px}
.bih-footer-bottom{border-top:1px solid #d4d3e3;padding:22px 0;text-align:center}
.bih-warn{max-width:820px;margin:14px auto 8px;font-size:13px;color:#65637e}
.bih-copy{font-size:13px;color:#65637e}
.bih-layout{display:grid;grid-template-columns:1fr 320px;gap:34px;padding:40px 0}
.bih-layout-left{grid-template-columns:320px 1fr}
.bih-main{min-width:0}
.bih-main-full{max-width:860px;margin:0 auto;padding:40px 0}
.bih-ah h1{font-size:34px;margin-bottom:12px}
.bih-ameta{display:flex;gap:16px;flex-wrap:wrap;color:#65637e;font-size:14px;margin-bottom:18px}
.bih-cover{border-radius:18px;overflow:hidden;margin-bottom:22px}
.bih-abody{font-size:17px}
.bih-abody p{margin-bottom:16px}
.bih-abody h2,.bih-abody h3{margin:26px 0 12px}
.bih-ctabox{margin-top:30px;padding:26px;border-radius:18px;background:linear-gradient(120deg,#2216d01f,#a816d41f);border:1px solid #d4d3e3}
.bih-ctabox h3{margin-bottom:8px}
.bih-ctabox p{color:#65637e;margin-bottom:16px}
.bih-postnav{display:flex;justify-content:space-between;gap:16px;margin-top:26px;padding-top:18px;border-top:1px solid #d4d3e3}
.bih-postnav a{color:#1a192e;font-weight:600}
.bih-postnav small{display:block;color:#65637e;font-weight:400}
.bih-related{margin-top:44px}
.bih-related .bih-grid{margin-top:20px}
.bih-sidebar{display:flex;flex-direction:column;gap:22px}
.bih-widget{background:#ffffff;border:1px solid #d4d3e3;border-radius:18px;padding:20px}
.bih-wtitle{font-size:16px;margin-bottom:12px}
.bih-widget ul li{margin-bottom:8px}
.bih-widget a{color:#65637e}
.bih-search{display:flex;gap:8px}
.bih-search-input{flex:1;padding:12px 14px;border:1px solid #d4d3e3;border-radius:9px;background:#f5f5fa;color:#1a192e}
.bih-notfound{text-align:center;padding:80px 0}
.bih-notfound-code{font-size:110px;color:#2216d0}
.bih-notfound-msg{color:#65637e;margin-bottom:22px}
.bih-notfound .bih-search{max-width:420px;margin:0 auto 22px}
@media (max-width:992px){
.bih-hero-split-in{grid-template-columns:1fr;padding:48px 18px}
.bih-layout,.bih-layout-left{grid-template-columns:1fr}
.bih-footer-cols-c3,.bih-footer-cols-c4{grid-template-columns:1fr 1fr}
.bih-quotes,.bih-games,.bih-cats,.bih-stats{grid-template-columns:repeat(2,1fr)}
.bih-dl{grid-template-columns:1fr}
}
@media (max-width:782px){
.bih-burger{display:inline-flex;align-items:center;justify-content:center}
.site-logo{max-height:40px;width:auto}
.bih-nav,.bih-topbar-chips{display:none;width:100%}
.bih-nav.bih-nav-open,.bih-topbar-chips.bih-nav-open{display:block}
.bih-nav ul,.bih-nav-list{flex-direction:column;align-items:flex-start;width:100%}
.bih-grid,.bih-grid-cover{grid-template-columns:1fr 1fr}
.bih-hero-inner h1,.bih-hero-inner-center h1{font-size:34px}
.bih-topbar-mid{display:none}
}
@media (max-width:560px){
.bih-grid,.bih-grid-cover,.bih-quotes,.bih-games,.bih-cats,.bih-stats,.bih-footer-cols-c2{grid-template-columns:1fr}
.bih-grid-row .bih-card{flex-direction:column}
.bih-grid-row .bih-card-media{width:100%;aspect-ratio:16/10}
.bih-float{flex-direction:column;align-items:flex-start}
}