/* CWK Box — giao diện nâu kraft. Màu chính được trang quản trị ghi đè qua content/theme.json */
:root{
  --brand:#8A5527;        /* nâu kraft: nút, điểm nhấn */
  --brand-dark:#1D1C1A;   /* dải tối: bước nổi bật, lời mời cuối */
  --accent:#E9B98A;       /* kraft nhạt trên nền tối */
  --bg:#FAFAF7;
  --surface:#FFFFFF;
  --soft:#F2EFE8;
  --ink:#1D1C1A;
  --muted:#5C5A55;
  --line:#D9D6CF;
  --ph:#EDEAE3;
  --head:'Be Vietnam Pro','Segoe UI',system-ui,sans-serif;
  --body:'Be Vietnam Pro','Segoe UI',system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-family:var(--head);text-wrap:balance;letter-spacing:-.01em}
a{color:var(--ink)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
@media (max-width:480px){.wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.ph{background:var(--ph);border:1.5px dashed #A8A398;color:var(--muted);display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;font-size:14px}
.eb{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 26px;border-radius:999px;font-family:var(--head);font-weight:600;font-size:16px;text-decoration:none;border:1.5px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer}
.btn:hover{color:#fff;filter:brightness(.94)}
.btn.ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn.ghost:hover{color:var(--brand);border-color:var(--brand);filter:none}
.btn.on-dark{background:var(--accent);border-color:var(--accent);color:var(--brand-dark);font-weight:700}
.btn.on-dark-ghost{background:transparent;border-color:#fff;color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.link{color:var(--brand);font-weight:600;text-decoration:none}
.link:hover{text-decoration:underline}

/* header */
.topbar{background:var(--soft);color:var(--muted);text-align:center;font-size:13px;padding:6px 16px;border-bottom:1px solid var(--line)}
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding-block:14px}
.logo{font-weight:700;font-size:20px;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:10px}
.logo img{height:40px;width:auto}
.menu{display:flex;flex-wrap:wrap;align-items:center;gap:6px 24px;font-size:15px}
.menu a{text-decoration:none}
.menu a[aria-current="page"]{color:var(--brand);font-weight:600}
.menu a.cta{background:var(--brand);color:#fff;padding:11px 20px;border-radius:999px;font-weight:600}
.menu a.cta[aria-current="page"]{background:var(--ink);color:#fff}
.menu-toggle{display:none;font:inherit;font-weight:600;min-height:44px;padding:8px 14px;border-radius:999px;border:1.5px solid var(--ink);background:none;color:var(--ink)}
@media (max-width:860px){
  .menu-toggle{display:inline-flex}
  .menu{display:none;width:100%;flex-direction:column;align-items:flex-start;padding-bottom:8px}
  .site-head.open .menu{display:flex}
}

/* sections */
.sec{padding-block:80px}
@media (max-width:640px){.sec{padding-block:56px}}
.band-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stack{display:flex;flex-direction:column;gap:28px}
.h2{font-size:clamp(26px,3.4vw,34px);line-height:1.25;font-weight:700;max-width:760px}
.split{display:flex;flex-wrap:wrap;gap:48px}
.split > *{min-width:0}

/* hero */
.hero .wrap{display:flex;flex-wrap:wrap;gap:48px;align-items:center;padding-block:72px 48px}
.hero-text{flex:1 1 420px;display:flex;flex-direction:column;gap:22px;min-width:0}
.hero h1{font-size:clamp(36px,5vw,56px);line-height:1.15;font-weight:700;letter-spacing:-.02em;white-space:pre-line}
.hero p{font-size:19px;color:var(--muted);max-width:540px}
.hero-media{flex:1 1 420px;min-height:420px;border-radius:16px;overflow:hidden;position:relative;min-width:0}
.hero-media img,.hero-media .ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:16px}
.ticks{display:flex;flex-wrap:wrap;gap:6px 22px;font-weight:600;font-size:15px}
.ticks span::before{content:"✓  ";color:var(--brand)}

/* entry cards */
.entries{display:flex;flex-wrap:wrap;gap:16px;padding-bottom:80px}
.entry{flex:1 1 280px;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:8px}
.entry b{font-size:18px}
.entry span{color:var(--muted);font-size:15px}
.entry em{font-style:normal;color:var(--brand);font-weight:600;font-size:15px}
.entry:hover{border-color:var(--brand)}

/* pains */
.pains{display:flex;flex-wrap:wrap;gap:16px}
.pains figure{margin:0;flex:1 1 300px;background:var(--bg);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:12px}
.pains blockquote{margin:0;font-size:20px;font-weight:600;line-height:1.4}
.pains figcaption{color:var(--muted);font-size:15px}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:16px}
.steps li{flex:1 1 200px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:8px}
.steps .n{font-size:28px;font-weight:700;color:var(--brand)}
.steps b{font-size:17px}
.steps small{color:var(--muted);font-size:15px}
.steps li.hi{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.steps li.hi .n{color:var(--accent)}
.steps li.hi small{color:#E6E2DA}

/* 3D band */
.d3{background:var(--surface);border:1.5px solid var(--brand);border-radius:20px;padding:28px 32px;display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between}
.d3 > div{flex:1 1 420px;display:flex;flex-direction:column;gap:6px;min-width:0}
.d3 h2{font-size:24px;line-height:1.3}

/* benefits */
.benefits{display:flex;flex-wrap:wrap;gap:28px}
.benefits > div{flex:1 1 230px;display:flex;flex-direction:column;gap:10px}
.benefits h3{font-size:18px}
.benefits p{color:var(--muted);font-size:15px}

/* cards (mẫu hộp) */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.cards{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--brand)}
.card .media{position:relative;aspect-ratio:4/3;max-width:100%;display:block}
.card .media img,.card .media .ph{width:100%;height:100%;object-fit:cover;border:0}
.badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--brand);font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px}
.card .foot{padding:18px 20px;display:flex;flex-direction:column;gap:4px;flex-grow:1}
.card .cat{font-size:13px;font-weight:600;color:var(--brand)}
.card .foot b{font-size:17px;line-height:1.35}
.card .desc{color:var(--muted);font-size:14px}
.card .more{margin-top:auto;padding-top:6px;color:var(--brand);font-weight:600;font-size:15px}

/* testimonials */
.quotes{display:flex;flex-wrap:wrap;gap:16px}
.quotes figure{margin:0;flex:1 1 420px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:12px}
.quotes blockquote{margin:0;font-size:17px}
.quotes figcaption{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;font-weight:600}
.quotes .lg{width:40px;height:40px;border-radius:50%;object-fit:cover}

/* price */
.price-big{font-size:24px;font-weight:700}
.factors{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.box-note{background:var(--bg);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:8px}
.box-note.edge{border:1.5px solid var(--brand)}
.box-note b{font-size:20px}

/* commitments + faq */
.commit{display:flex;flex-direction:column;gap:16px}
.commit div{display:flex;gap:14px}
.commit .num{flex:none;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.commit-grid{display:flex;flex-wrap:wrap;gap:16px}
.commit-grid div{flex:1 1 260px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:8px}
.commit-grid h3{font-size:18px}
.commit-grid p{color:var(--muted);font-size:15px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;padding:18px 0}
.faq details p{padding-bottom:18px;color:var(--muted)}
.tip{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;display:flex;flex-direction:column;gap:4px}

/* final cta */
.final{background:var(--brand-dark);color:#fff}
.final .wrap{max-width:900px;padding-block:88px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px}
.final h2{font-size:clamp(30px,4vw,44px);line-height:1.2;white-space:pre-line}
.final p{color:#E6E2DA;font-size:18px}
.final .eb{color:var(--accent)}

/* footer */
.footer{background:var(--surface);border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.footer .wrap{padding-block:36px;display:flex;flex-wrap:wrap;gap:20px 48px;justify-content:space-between}
.footer .col{display:flex;flex-direction:column;gap:8px;min-width:0}
.footer b{color:var(--ink);font-size:15px}
.footer a{color:var(--muted);text-decoration:none}
.footer a:hover{color:var(--brand)}
.copy{text-align:center;font-size:13px;color:var(--muted);padding:14px 16px;border-top:1px solid var(--line);background:var(--surface)}
.float-zalo{position:fixed;right:calc(20px + env(safe-area-inset-right,0px));bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--brand);color:#fff;padding:14px 22px;border-radius:999px;font-weight:700;text-decoration:none;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.float-zalo:hover{color:#fff}

/* page head */
.page-head .wrap{padding-block:64px 32px;display:flex;flex-direction:column;gap:14px}
.page-head h1{font-size:clamp(32px,4.5vw,48px);line-height:1.2;font-weight:700;letter-spacing:-.02em}
.page-head p{font-size:18px;color:var(--muted);max-width:680px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chips button{font:inherit;font-size:15px;min-height:44px;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.chips button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* posts */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:900px){.posts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.posts{grid-template-columns:minmax(0,1fr)}}
.post{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.post:hover{border-color:var(--brand)}
.post .cover{aspect-ratio:16/10;max-width:100%;display:block}
.post .cover img,.post .cover .ph{width:100%;height:100%;object-fit:cover;border:0}
.post .in{padding:22px;display:flex;flex-direction:column;gap:10px;flex-grow:1}
.post .cat{font-size:13px;font-weight:600;color:var(--brand)}
.post h2{font-size:19px;line-height:1.35}
.post p{color:var(--muted);font-size:15px;flex-grow:1}
.post .more{color:var(--brand);font-weight:600;font-size:15px}

/* article */
.article{max-width:760px;margin:0 auto;padding-block:56px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:16px}
.article .meta a{color:var(--brand);text-decoration:none}
.article h1{font-size:clamp(28px,4vw,40px);line-height:1.2;margin-bottom:12px}
.article .cover img{border-radius:16px;margin-block:22px}
.prose{font-size:17px}
.prose > * + *{margin-top:1em}
.prose h2{font-size:24px;margin-top:1.6em}
.prose h3{font-size:19px;margin-top:1.4em}
.prose img{margin-inline:auto;border-radius:12px}
.prose blockquote{margin-inline:0;padding:16px 20px;background:var(--soft);border-radius:12px}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.prose table{border-collapse:collapse;width:100%;min-width:600px;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:14px;text-align:left;vertical-align:top}
.prose thead th{background:var(--soft)}
.next-box{margin-top:40px;background:var(--surface);border:1.5px solid var(--brand);border-radius:20px;padding:28px;display:flex;flex-wrap:wrap;gap:16px 24px;align-items:center;justify-content:space-between}
.next-box > div{flex:1 1 300px}

/* form */
.form-grid{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.form-grid > div{flex:999 1 560px;min-width:0}
.form-grid > aside{flex:1 1 300px}
fieldset{margin:0 0 24px;border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:560px){fieldset{grid-template-columns:minmax(0,1fr);padding:20px}}
legend{padding:0 8px;font-weight:700;font-size:18px}
.f{display:flex;flex-direction:column;gap:6px;min-width:0}
.f.full{grid-column:1/-1}
.f label{font-weight:600;font-size:15px}
.f input,.f select,.f textarea{font:inherit;color:var(--ink);background:#fff;border:1.5px solid #CFCBC2;border-radius:10px;padding:12px 14px;min-height:48px;width:100%}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}
.f textarea{min-height:110px;resize:vertical}
.aside-dark{background:var(--brand-dark);color:#fff;border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:12px}
.aside-dark p{color:#E6E2DA;font-size:15px}
.aside-card{margin-top:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:10px}
.aside-card ol{margin:0;padding-left:20px;color:var(--muted);font-size:15px;display:flex;flex-direction:column;gap:6px}
.msg{padding:24px;border:1.5px solid var(--brand);border-radius:16px;background:var(--surface);margin-bottom:24px}
.msg.err{border-color:#9B1C22}
/* Ảnh khách hàng (dạng lưới so le) */
.gallery{columns:3 260px;column-gap:16px}
.gallery figure{margin:0 0 16px;break-inside:avoid;border-radius:14px;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.gallery img{display:block;width:100%;height:auto;transition:transform .4s}
.gallery figure:hover img{transform:scale(1.03)}
.gallery figcaption{padding:10px 14px;font-size:14px;color:var(--muted)}

/* Ô Thiết kế hộp 3D nổi bật ngay dưới phần đầu trang */
.d3-wrap{padding-top:8px;padding-bottom:20px}
.d3.hl{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.d3.hl .eb{color:var(--accent)}
.d3.hl p{color:rgba(255,255,255,.82)}
.d3.hl .btn{background:var(--accent);border-color:var(--accent);color:var(--brand-dark)}