/*
Theme Name: Brand Review
Description: Giao diện review / so sánh / top best thương hiệu: sạch, nhanh, mobile-first, mục lục sticky, hộp quick verdict, bảng so sánh responsive, thẻ brand.
Version: 1.0
Text Domain: brandreview
*/
:root{
  --ink:#0f172a; --ink2:#334155; --muted:#64748b; --line:#e2e8f0; --bg:#f8fafc; --card:#fff;
  --brand:#4f46e5; --brand-d:#4338ca; --brand-l:#eef2ff; --accent:#0d9488; --accent-l:#ccfbf1;
  --warn:#b45309; --warn-l:#fef3c7; --good-l:#ecfdf5; --good:#047857; --bad-l:#fff1f2; --bad:#be123c;
  --r:14px; --shadow:0 1px 2px rgba(15,23,42,.05),0 8px 24px rgba(15,23,42,.06); --max:1160px;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box} html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;height:auto} a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px} .skip:focus{left:10px;top:10px;background:#fff;padding:8px 12px;z-index:100}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo__mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#7c3aed);display:grid;place-items:center;color:#fff;font-size:18px;font-weight:800}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--ink2);font-weight:600;font-size:15px;padding:8px 12px;border-radius:10px}
.nav a:hover,.nav a.current{background:var(--brand-l);color:var(--brand-d);text-decoration:none}
.nav__search{margin-left:6px}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:700;color:var(--ink)}
@media(max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px;margin:0}
  .nav.open{display:flex} .nav a{padding:12px}
}

/* hero */
.hero{background:radial-gradient(1200px 400px at 85% -10%,#c7d2fe 0,transparent 60%),radial-gradient(900px 380px at 0 0,#ccfbf1 0,transparent 55%),#fff;border-bottom:1px solid var(--line)}
.hero .wrap{padding:64px 20px 56px;max-width:900px;text-align:center}
.hero__eyebrow{display:inline-block;background:var(--brand-l);color:var(--brand-d);font-weight:700;font-size:13px;padding:6px 12px;border-radius:99px;letter-spacing:.02em}
.hero h1{font-size:clamp(32px,5.2vw,54px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.03em;font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--ink2);font-size:19px;max-width:660px;margin:0 auto 26px}
.search{display:flex;gap:8px;max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px;box-shadow:var(--shadow)}
.search input{flex:1;border:0;outline:0;padding:12px 14px;font-size:16px;background:transparent;font-family:inherit;min-width:0}
.search button{border:0;background:var(--brand);color:#fff;font-weight:700;padding:0 20px;border-radius:10px;cursor:pointer;font-family:inherit}
.search button:hover{background:var(--brand-d)}
.stats{display:flex;justify-content:center;gap:28px;margin-top:28px;color:var(--muted);font-size:14px;flex-wrap:wrap}
.stats b{display:block;font-size:24px;color:var(--ink);letter-spacing:-.02em}

/* sections */
.section{padding:52px 0} .section--tight{padding:34px 0}
.section__head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:22px}
.section__head h2{margin:0;font-size:28px;letter-spacing:-.02em} .section__head p{margin:4px 0 0;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:99px;font-weight:600;font-size:14px;color:var(--ink2);cursor:pointer;font-family:inherit}
.chip:hover,.chip.on{border-color:var(--brand);color:var(--brand-d);background:var(--brand-l);text-decoration:none}

/* cards */
.grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)} .grid--2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.grid,.grid--4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid,.grid--4,.grid--2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(15,23,42,.06),0 14px 32px rgba(15,23,42,.1)}
.card__meta{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.card h3{margin:10px 0 8px;font-size:20px;line-height:1.3;letter-spacing:-.01em}
.card h3 a{color:var(--ink)} .card p{margin:0 0 14px;color:var(--ink2);font-size:15.5px;flex:1}
.card__more{font-weight:700;font-size:14px}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;background:var(--brand-l);color:var(--brand-d)}
.tag--teal{background:var(--accent-l);color:#0f766e} .tag--gray{background:#f1f5f9;color:var(--ink2)}
.bcard{align-items:flex-start;gap:12px}
.bcard__top{display:flex;gap:14px;align-items:center;width:100%}
.bcard__logo{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--brand-l),#e0e7ff);color:var(--brand-d);display:grid;place-items:center;font-weight:800;font-size:24px;flex:none}
.bcard h3{margin:0;font-size:19px}
.bcard__facts{width:100%;border-top:1px solid var(--line);margin-top:6px;padding-top:12px;font-size:14px;color:var(--ink2);display:grid;grid-template-columns:1fr 1fr;gap:8px}
.bcard__facts span{display:block;color:var(--muted);font-size:12px}

/* buttons / badges */
.bw-btn,.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff !important;font-weight:700;padding:12px 20px;border-radius:12px;text-decoration:none !important;box-shadow:0 4px 14px rgba(79,70,229,.3);transition:background .15s,transform .15s;border:0;cursor:pointer;font-family:inherit;font-size:16px}
.bw-btn:hover,.btn:hover{background:var(--brand-d);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--brand-d) !important;border:1px solid var(--line);box-shadow:none}
.bw-badge,.badge{display:inline-block;background:var(--accent-l);color:#0f766e;font-size:11px;font-weight:800;padding:2px 8px;border-radius:99px;letter-spacing:.03em;text-transform:uppercase;vertical-align:middle}
.bw-link{font-weight:700}

/* article */
.article-head{background:#fff;border-bottom:1px solid var(--line)}
.article-head .wrap{max-width:900px;padding:42px 20px 30px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:14px} .crumbs a{color:var(--muted)}
.article-head h1{font-size:clamp(30px,4.4vw,44px);line-height:1.12;letter-spacing:-.03em;margin:0 0 14px;font-weight:800}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px;align-items:center}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;padding:34px 0 60px;max-width:var(--max);margin:0 auto;padding-left:20px;padding-right:20px}
@media(max-width:1000px){.layout{grid-template-columns:1fr}}
.bw-content{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 38px;box-shadow:var(--shadow);min-width:0}
@media(max-width:620px){.bw-content{padding:22px 18px;border-radius:12px}}
.bw-content h2{font-size:28px;line-height:1.2;letter-spacing:-.02em;margin:42px 0 14px;padding-top:6px;scroll-margin-top:84px}
.bw-content h2:first-child{margin-top:0}
.bw-content h3{font-size:20px;margin:24px 0 8px}
.bw-content p{margin:0 0 16px;color:#1e293b} .bw-content ul,.bw-content ol{padding-left:22px;margin:0 0 18px} .bw-content li{margin:6px 0}
.sidebar{position:relative} .sticky{position:sticky;top:84px;display:grid;gap:16px}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow)}
.toc h4{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t} .toc li{counter-increment:t;margin:0}
.toc a{display:block;padding:7px 0 7px 26px;position:relative;color:var(--ink2);font-weight:600;font-size:14.5px;border-left:2px solid transparent}
.toc a:before{content:counter(t);position:absolute;left:0;top:7px;width:19px;height:19px;border-radius:6px;background:var(--brand-l);color:var(--brand-d);font-size:11px;display:grid;place-items:center;font-weight:800}
.toc a.on{color:var(--brand-d)} .toc a:hover{text-decoration:none;color:var(--brand-d)}
.sbox{background:linear-gradient(135deg,#eef2ff,#f5f3ff);border:1px solid #e0e7ff;border-radius:var(--r);padding:18px 20px}
.sbox h4{margin:0 0 6px;font-size:16px} .sbox p{margin:0 0 12px;font-size:14.5px;color:var(--ink2)}
@media(max-width:1000px){.sidebar{order:-1}.sticky{position:static}.toc ol{display:none}.toc.open ol{display:block}.toc h4{cursor:pointer;margin:0}.toc h4:after{content:"  +";color:var(--brand)}}

/* review blocks (plugin) */
.bw-note{background:var(--warn-l);border:1px solid #fde68a;border-radius:12px;padding:12px 16px;font-size:14.5px;color:#78350f;margin:0 0 22px}
.bw-note--foot{margin-top:26px;margin-bottom:0}
.bw-verdict{background:linear-gradient(135deg,#eef2ff,#faf5ff);border:1px solid #e0e7ff;border-left:5px solid var(--brand);border-radius:14px;padding:20px 22px;margin:0 0 24px}
.bw-verdict__label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--brand-d);margin-bottom:6px}
.bw-verdict p{font-size:18px;margin:0 0 14px !important;color:var(--ink) !important}
.bw-table-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--line);border-radius:12px}
.bw-table{border-collapse:collapse;width:100%;min-width:520px;font-size:15.5px}
.bw-table th{background:#f1f5f9;text-align:left;padding:12px 14px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink2);white-space:nowrap}
.bw-table td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.bw-table tbody tr:nth-child(even){background:#fafbfd} .bw-table td:first-child{font-weight:700}
.bw-two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 22px} @media(max-width:700px){.bw-two{grid-template-columns:1fr}}
.bw-box{border:1px solid var(--line);border-radius:14px;padding:16px 20px;background:#fff}
.bw-box h3{margin:0 0 8px !important;font-size:17px !important} .bw-box ul{margin:0 !important}
.bw-box--good{background:var(--good-l);border-color:#a7f3d0}.bw-box--good h3{color:var(--good)}
.bw-box--bad{background:var(--bad-l);border-color:#fecdd3}.bw-box--bad h3{color:var(--bad)}
.bw-item{border:1px solid var(--line);border-radius:14px;padding:6px 24px 20px;margin:0 0 20px;background:#fff;box-shadow:var(--shadow)}
.bw-item h2{margin-top:18px !important;font-size:24px !important}
.bw-item__badge{display:inline-block;background:var(--accent-l);color:#0f766e;font-weight:700;font-size:13px;padding:4px 12px;border-radius:99px;margin-bottom:12px}
.bw-faq__item{border:1px solid var(--line);border-radius:12px;margin:0 0 10px;background:#fff}
.bw-faq__item summary{cursor:pointer;font-weight:700;padding:14px 18px;list-style:none;display:flex;justify-content:space-between;gap:10px}
.bw-faq__item summary:after{content:"+";color:var(--brand);font-size:20px;line-height:1} .bw-faq__item[open] summary:after{content:"–"}
.bw-faq__item div{padding:0 18px 14px}
.bw-source{font-size:14px;color:var(--muted);border-top:1px solid var(--line);margin-top:30px;padding-top:16px}
.bw-center{text-align:center} .bw-fig{margin:0 0 18px} .bw-fig img{border-radius:12px;border:1px solid var(--line)} .bw-fig figcaption{font-size:12.5px;color:var(--muted);margin-top:6px}
.bw-brandcard{display:flex;gap:16px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff;margin:0 0 20px;flex-wrap:wrap}
.bw-brandcard__logo{width:50px;height:50px;border-radius:13px;background:var(--brand-l);color:var(--brand-d);display:grid;place-items:center;font-weight:800;font-size:22px}
.bw-brandcard__body{flex:1;min-width:200px} .bw-brandcard__name{font-weight:800;font-size:18px} .bw-brandcard__meta{font-size:14px;color:var(--muted)}
.bw-coupon{border:2px dashed var(--brand);border-radius:14px;padding:20px;text-align:center;background:var(--brand-l);margin:0 0 24px}
.bw-coupon__label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--brand-d)}
.bw-coupon__code{font-size:34px;font-weight:800;letter-spacing:.08em;margin:6px 0;font-family:ui-monospace,Menlo,Consolas,monospace}
.bw-coupon__terms{font-size:14px;color:var(--ink2)}

/* brand profile */
.bhero{background:#fff;border-bottom:1px solid var(--line)}
.bhero .wrap{padding:40px 20px;display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.bhero__logo{width:88px;height:88px;border-radius:22px;background:linear-gradient(135deg,var(--brand),#7c3aed);color:#fff;display:grid;place-items:center;font-size:40px;font-weight:800}
.bhero h1{margin:0;font-size:36px;letter-spacing:-.03em} .bhero p{margin:6px 0 14px;color:var(--ink2);max-width:640px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 26px}
@media(max-width:860px){.facts{grid-template-columns:repeat(2,1fr)}}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.fact span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:700}.fact b{font-size:16px}
.plist{columns:2;gap:24px;padding-left:18px} @media(max-width:620px){.plist{columns:1}}

/* pagination, footer, misc */
.pager{display:flex;gap:8px;justify-content:center;margin:34px 0 0;flex-wrap:wrap}
.pager a,.pager span{padding:9px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:700;color:var(--ink2)}
.pager .current{background:var(--brand);color:#fff;border-color:var(--brand)}
.site-footer{background:#0f172a;color:#cbd5e1;margin-top:40px}
.site-footer a{color:#e2e8f0}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:44px 0 26px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr}}
.site-footer h5{margin:0 0 12px;color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.06em}
.site-footer ul{list-style:none;margin:0;padding:0} .site-footer li{margin:7px 0}
.footer-note{border-top:1px solid #1e293b;padding:18px 0 28px;font-size:13.5px;color:#94a3b8}
.page-content{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 38px;box-shadow:var(--shadow);max-width:860px;margin:34px auto 60px} .page-content h1{margin-top:0}
@media(max-width:620px){.page-content{padding:22px 18px}}
.empty{padding:40px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--r)}

.card__img{display:block;margin:-22px -22px 14px;border-radius:var(--r) var(--r) 0 0;overflow:hidden;background:#f1f5f9;aspect-ratio:3/2}
.card__img img{width:100%;height:100%;object-fit:contain;padding:10px;display:block;background:#fff}
.article-hero{max-width:900px;margin:26px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;justify-content:center}
.article-hero img{max-height:420px;width:auto;max-width:100%;object-fit:contain;padding:14px}
.bw-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:0 0 22px}
.bw-gallery .bw-fig{margin:0}.bw-gallery img{width:100%;height:200px;object-fit:contain;background:#fff;padding:8px}
.bw-fig img{background:#fff;max-height:420px;width:auto;max-width:100%;object-fit:contain;display:block;margin:0 auto}