/* ==========================================================================
   MỘC HOME — Showroom nội thất gỗ (đợt 16)
   Phong cách: LUXURY SERIF ẤM — trắng ngà, be, gỗ; ảnh lớn, khoảng trắng rộng,
   đường kẻ 1px màu be, không đổ bóng nặng, không hiệu ứng động.
   Điểm nhận diện riêng:
     (1) Số thứ tự serif lớn, mờ, đặt cạnh tiêu đề mục (01, 02, 03…) — .sec-head .num
     (2) "Swatch chất liệu": dải ô vuông màu gỗ (Sồi / Óc chó / Tần bì / Teak),
         click đổi nhãn chất liệu + giá bằng JS — .swatches / .sw
     (3) Lưới sản phẩm ảnh tỉ lệ 4:5, tên serif, giá mảnh — .pgrid / .pcard
   Font: 'Literata' 500 (tiêu đề, có Vietnamese) + 'Be Vietnam Pro' 300/400 (thân).
   Nhãn chữ hoa tracking rộng: .eyebrow
   Biến màu: --bg trắng ngà, --beige be, --wood gỗ (brand), --wood-d đậm,
   --ink than, --muted xám, --moss xanh rêu nhạt (nhấn).
   ========================================================================== */
:root{
  --bg:#FAF7F2; --beige:#E9DFD2; --beige-2:#F3ECE3; --wood:#A0714F; --wood-d:#6E4A31;
  --ink:#2B2622; --muted:#8A817A; --moss:#7C8B6F; --white:#FFFFFF;
  --line:#E9DFD2; --ph:linear-gradient(135deg,#EFE6D9,#DCCDB9);
  --ff-s:'Literata',Georgia,'Times New Roman',serif;
  --ff-b:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,sans-serif;
  --container:1200px; --r:4px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--ff-b);font-weight:300;font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
strong,b{font-weight:500}
h1,h2,h3,h4{font-family:var(--ff-s);font-weight:500;line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(34px,5vw,64px)}
h2{font-size:clamp(28px,3.6vw,44px)}
h3{font-size:22px}
h4{font-size:18px}
p{color:#4A433D}
.container{max-width:var(--container);margin:0 auto;padding-inline:24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--wood-d);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px}
.ph{background:var(--img,var(--ph)) center/cover no-repeat}
.eyebrow{display:inline-block;font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:400;color:var(--wood)}
.muted{color:var(--muted)}
.line{border:0;border-top:1px solid var(--line)}
.price{font-family:var(--ff-b);font-weight:300;color:var(--ink);letter-spacing:.02em}
.price small{font-size:.8em;color:var(--muted)}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border:1px solid var(--wood-d);background:var(--wood-d);color:#fff;font-family:var(--ff-b);font-weight:400;font-size:13px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:background .2s,color .2s;white-space:nowrap;border-radius:var(--r)}
.btn:hover{background:var(--wood)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:var(--bg);color:var(--ink);border-color:var(--bg)}
.btn--light:hover{background:var(--beige);border-color:var(--beige)}
.btn--sm{padding:10px 18px;font-size:12px}
.btn--wide{width:100%}
.link{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:400;color:var(--wood-d);border-bottom:1px solid var(--wood);padding-bottom:3px}
.link:hover{color:var(--wood)}

/* ---------------- HEADER ---------------- */
.topbar{background:var(--wood-d);color:#F3ECE3;font-size:12px;letter-spacing:.08em;text-align:center;padding:8px 16px}
.header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header__in{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px;height:76px;position:relative}
.logo{font-family:var(--ff-s);font-size:24px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.logo i{width:18px;height:18px;border:1px solid var(--wood);display:inline-block;position:relative}
.logo i::after{content:"";position:absolute;inset:4px;background:var(--wood)}
.logo span{font-weight:300;color:var(--wood)}
.nav{display:flex;justify-content:center;gap:36px}
.nav a{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:400;color:var(--ink);padding:8px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a.is-active{border-bottom-color:var(--wood);color:var(--wood-d)}
.hdr-tools{display:flex;align-items:center;gap:8px}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:50%;color:var(--ink);background:none;cursor:pointer;position:relative}
.icon-btn:hover{border-color:var(--line);background:#fff}
.icon-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-btn .cnt{position:absolute;top:2px;right:0;min-width:16px;height:16px;border-radius:8px;background:var(--wood);color:#fff;font-size:10px;font-weight:400;display:flex;align-items:center;justify-content:center;padding:0 4px;font-family:var(--ff-b)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r);cursor:pointer;position:relative}
.burger::before,.burger::after{content:"";position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink)}
.burger::before{top:14px;box-shadow:0 5px 0 var(--ink)}
.burger::after{bottom:14px}
.search-bar{display:none;border-top:1px solid var(--line);background:#fff}
.search-bar.is-open{display:block}
.search-bar form{display:flex;gap:10px;padding:12px 0}
.search-bar input{flex:1;border:1px solid var(--line);padding:10px 14px;font-family:inherit;font-size:15px;background:var(--bg);min-width:0}

/* ---------------- HERO ---------------- */
.hero{position:relative;height:80vh;min-height:520px;max-height:820px;display:flex;align-items:flex-end;color:#fff}
.hero .ph{position:absolute;inset:0}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(43,38,34,.08) 30%,rgba(43,38,34,.72) 100%)}
.hero__in{position:relative;z-index:1;width:100%;padding-bottom:64px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end}
.hero__in>div{min-width:0}
.hero .eyebrow{color:#EAD9C3}
.hero h1{color:#fff;margin:12px 0 16px}
.hero p{color:#EDE5DA;max-width:520px;font-size:17px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero__side{justify-self:end;background:rgba(250,247,242,.94);color:var(--ink);padding:24px 26px;max-width:360px;width:100%;border-radius:var(--r)}
.hero__side .eyebrow{color:var(--wood)}
.hero__side p{color:var(--muted);font-size:14px;margin-top:6px}
.hero__side .price{font-size:26px;margin-top:10px}

/* Swatch chất liệu */
.swatches{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.sw{width:38px;height:38px;border:1px solid rgba(43,38,34,.15);border-radius:2px;cursor:pointer;background:var(--c);position:relative;padding:0;outline-offset:3px}
.sw::after{content:"";position:absolute;inset:-5px;border:1px solid transparent;border-radius:3px;transition:border-color .15s}
.sw.is-on::after,.sw:hover::after{border-color:var(--wood-d)}
.sw--soi{--c:linear-gradient(135deg,#D8B48A,#C79A68)}
.sw--occho{--c:linear-gradient(135deg,#6E4A31,#4E3320)}
.sw--tanbi{--c:linear-gradient(135deg,#E8D8BE,#D3BE9C)}
.sw--teak{--c:linear-gradient(135deg,#B0784B,#8E5C34)}
.sw--sm{width:26px;height:26px}
.sw-label{font-size:13px;color:var(--ink);font-weight:400;margin-top:8px}
.sw-label b{color:var(--wood-d)}

/* ---------------- SECTION ---------------- */
.sec{padding:96px 0}
.sec--tight{padding:64px 0}
.sec--beige{background:var(--beige-2)}
.sec--dark{background:var(--wood-d);color:#F3ECE3}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--dark p{color:#E4D8CA}
.sec--dark .eyebrow{color:#D8BFA4}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;position:relative}
.sec-head .t{position:relative}
.sec-head .num{font-family:var(--ff-s);font-size:clamp(72px,9vw,120px);line-height:.8;font-weight:500;color:var(--wood);opacity:.16;position:absolute;left:-10px;top:-58px;pointer-events:none;user-select:none}
.sec--dark .sec-head .num{color:#fff;opacity:.14}
.sec-head h2{position:relative}
.sec-head .eyebrow{margin-bottom:10px;position:relative}
.sec-head p{max-width:520px;margin-top:12px;position:relative}
.sec-head--center{flex-direction:column;align-items:center;text-align:center}
.sec-head--center .num{left:50%;transform:translateX(-50%)}

/* Danh mục phòng */
.rooms{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.room{position:relative;aspect-ratio:3/4;overflow:hidden;display:block;border-radius:var(--r);background:var(--ph)}
.room .ph{position:absolute;inset:0;transition:transform .6s}
.room:hover .ph{transform:scale(1.04)}
.room::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(43,38,34,.7))}
.room__t{position:absolute;left:22px;bottom:22px;right:22px;z-index:1;color:#fff}
.room__t h3{color:#fff;font-size:24px}
.room__t span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#EAD9C3}

/* Lưới sản phẩm — ảnh 4:5, tên serif, giá mảnh */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 24px}
.pcard{display:block;position:relative}
.pcard__img{aspect-ratio:4/5;overflow:hidden;position:relative;background:var(--ph);border-radius:var(--r)}
.pcard__img .ph{position:absolute;inset:0;transition:transform .6s}
.pcard:hover .pcard__img .ph{transform:scale(1.03)}
.pph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;background:linear-gradient(160deg,#F0E7DA 0%,#E4D6C3 55%,#D9C7AF 100%)}
.pph span{font-family:var(--ff-s);font-size:clamp(20px,2vw,26px);color:var(--wood-d);line-height:1.25;font-weight:500}
.pph::before{content:"";position:absolute;inset:14px;border:1px solid rgba(110,74,49,.25)}
.tag{position:absolute;top:12px;left:12px;z-index:2;background:var(--bg);color:var(--ink);font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:400;padding:5px 10px;border-radius:2px}
.tag--moss{background:var(--moss);color:#fff}
.pcard__body{padding-top:14px}
.pcard__cat{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.pcard h3{font-size:19px;margin:4px 0 6px;font-weight:500}
.pcard .price{font-size:16px;white-space:nowrap}
.pcard .price s{color:var(--muted);font-size:13px;margin-left:8px}
.pcard__sw{display:flex;gap:6px;margin-top:10px}
.pcard__sw i{width:14px;height:14px;border-radius:2px;background:var(--c);border:1px solid rgba(43,38,34,.15)}

/* Câu chuyện xưởng */
.story{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.story__img{aspect-ratio:4/5;position:relative;border-radius:var(--r);overflow:hidden}
.story__img .ph{position:absolute;inset:0}
.story h2{margin:10px 0 18px}
.story p+p{margin-top:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;border-top:1px solid var(--line);padding-top:28px}
.stat b{display:block;font-family:var(--ff-s);font-size:40px;font-weight:500;color:var(--wood-d);line-height:1}
.stat span{font-size:13px;color:var(--muted);display:block;margin-top:8px}

/* Dự án */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.proj{display:block}
.proj__img{aspect-ratio:4/3;position:relative;overflow:hidden;border-radius:var(--r);background:var(--ph)}
.proj__img .ph{position:absolute;inset:0;transition:transform .6s}
.proj:hover .proj__img .ph{transform:scale(1.03)}
.proj__meta{display:flex;gap:16px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:14px}
.proj h3{font-size:21px;margin-top:6px}
.proj p{font-size:14px;color:var(--muted);margin-top:4px}
.proj__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.proj__tags span{font-size:12px;border:1px solid var(--line);padding:3px 10px;border-radius:2px;color:#4A433D;background:#fff}

/* Quy trình */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.step{padding:36px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step b{display:block;font-family:var(--ff-s);font-size:44px;color:var(--wood);opacity:.7;line-height:1;font-weight:500}
.step h3{font-size:19px;margin:18px 0 8px}
.step p{font-size:14px;color:var(--muted)}

/* Đánh giá */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rev{background:#fff;border:1px solid var(--line);padding:32px 30px;border-radius:var(--r)}
.rev q{font-family:var(--ff-s);font-size:19px;line-height:1.5;display:block;color:var(--ink);quotes:"“" "”"}
.rev .stars{color:var(--wood);letter-spacing:2px;font-size:14px;margin-bottom:14px}
.rev__who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.rev__who i{width:40px;height:40px;border-radius:50%;background:var(--beige);color:var(--wood-d);font-family:var(--ff-s);display:flex;align-items:center;justify-content:center;font-style:normal;flex:none}
.rev__who b{display:block;font-weight:500;font-size:15px}
.rev__who span{font-size:13px;color:var(--muted)}

/* CTA */
.cta{position:relative;color:#fff;padding:120px 0;text-align:center}
.cta .ph{position:absolute;inset:0}
.cta::after{content:"";position:absolute;inset:0;background:rgba(43,38,34,.62)}
.cta .container{position:relative;z-index:1}
.cta h2{color:#fff;max-width:640px;margin:12px auto 16px}
.cta p{color:#E4D8CA;max-width:520px;margin:0 auto 28px}
.cta .eyebrow{color:#EAD9C3}
.cta .hero__cta{justify-content:center;margin-top:0}

/* ---------------- TRANG CON ---------------- */
.page-head{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.page-head h1{margin-top:10px}
.page-head p{max-width:600px;margin-top:14px}
.crumbs{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.crumbs a:hover{color:var(--wood-d)}
.crumbs span{margin:0 8px}

/* Bộ lọc sản phẩm */
.shop{display:grid;grid-template-columns:240px 1fr;gap:48px;padding-block:56px 96px}
.filters h4{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-family:var(--ff-b);font-weight:400;color:var(--muted);margin-bottom:12px}
.fgroup{padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.fgroup label{display:flex;align-items:center;gap:10px;font-size:15px;padding:5px 0;cursor:pointer}
.fgroup input[type=radio],.fgroup input[type=checkbox]{accent-color:var(--wood-d);width:16px;height:16px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.toolbar .count{font-size:14px;color:var(--muted)}
.toolbar label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-right:8px}
.toolbar select{border:1px solid var(--line);background:#fff;padding:10px 36px 10px 14px;font-family:inherit;font-size:14px;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232B2622' stroke-width='1.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;border-radius:var(--r)}
.shop .pgrid{grid-template-columns:repeat(3,1fr)}
.empty{display:none;padding:60px;text-align:center;color:var(--muted);border:1px dashed var(--line)}
.empty.is-show{display:block}
.pcard.is-hide{display:none}

/* Chi tiết sản phẩm */
.pd{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;padding-block:56px 80px}
.gallery__main{aspect-ratio:4/5;position:relative;overflow:hidden;border-radius:var(--r);background:var(--ph)}
.gallery__main .ph,.gallery__main .pph{position:absolute;inset:0}
.gallery__thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
.thumb{aspect-ratio:4/3;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);cursor:pointer;background:var(--ph);padding:0}
.thumb .ph,.thumb .pph{position:absolute;inset:0}
.thumb .pph span{font-size:14px}
.thumb.is-on{border-color:var(--wood-d);outline:1px solid var(--wood-d)}
.pd__info .eyebrow{margin-bottom:8px}
.pd__info h1{font-size:clamp(30px,3.4vw,44px)}
.pd__info .rating{font-size:13px;color:var(--muted);margin:10px 0 18px}
.pd__info .rating i{color:var(--wood);font-style:normal;letter-spacing:2px;margin-right:8px}
.pd__price{font-size:32px;font-weight:300;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.pd__price s{font-size:18px;color:var(--muted)}
.pd__price .off{font-size:12px;letter-spacing:.14em;text-transform:uppercase;background:var(--moss);color:#fff;padding:3px 8px;border-radius:2px}
.pd__lead{margin:18px 0 26px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.opt{margin-bottom:24px}
.opt__lab{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:400;color:var(--muted);margin-bottom:10px}
.opt__lab b{color:var(--ink);font-weight:400;letter-spacing:0;text-transform:none;font-size:14px}
.sizes{display:flex;gap:8px;flex-wrap:wrap}
.size{border:1px solid var(--line);background:#fff;padding:10px 16px;font-family:inherit;font-size:14px;cursor:pointer;border-radius:var(--r)}
.size.is-on{border-color:var(--wood-d);background:var(--beige-2);color:var(--wood-d)}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.qty button{width:40px;border:0;background:none;font-size:18px;cursor:pointer;color:var(--ink)}
.qty input{width:48px;text-align:center;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);font-family:inherit;font-size:15px;background:#fff}
.pd__act{display:flex;gap:12px;flex-wrap:wrap;margin:6px 0 26px}
.pd__act .btn{flex:1 1 200px}
.perks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border-top:1px solid var(--line);padding-top:22px}
.perk{font-size:13px;color:#4A433D;display:flex;gap:10px;align-items:flex-start}
.perk svg{width:20px;height:20px;flex:none;stroke:var(--wood);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tabs{margin-top:40px;display:flex;gap:28px;border-bottom:1px solid var(--line);margin-bottom:28px;overflow-x:auto}
.tab{background:none;border:0;padding:12px 0;font-family:inherit;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);cursor:pointer;border-bottom:1px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tab.is-on{color:var(--wood-d);border-bottom-color:var(--wood-d)}
.panel{display:none;max-width:800px}
.panel.is-on{display:block}
.panel p+p{margin-top:12px}
.panel ul{padding-left:18px;list-style:disc}
.panel li{margin:6px 0}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th,.spec td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec th{width:32%;font-weight:400;color:var(--muted)}

/* Dự án trang riêng */
.proj-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:36px}
.chip{border:1px solid var(--line);background:#fff;padding:8px 16px;font-family:inherit;font-size:13px;cursor:pointer;border-radius:20px}
.chip.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.proj.is-hide{display:none}
.proj__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px;border-top:1px solid var(--line);padding-top:12px}
.proj__facts div{font-size:12px;color:var(--muted)}
.proj__facts b{display:block;font-weight:400;color:var(--ink);font-size:14px}

/* Gói thiết kế */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan{background:#fff;border:1px solid var(--line);padding:36px 32px;border-radius:var(--r);position:relative;display:flex;flex-direction:column}
.plan--hi{background:var(--wood-d);color:#F3ECE3;border-color:var(--wood-d)}
.plan--hi h3,.plan--hi .plan__price{color:#fff}
.plan--hi li{color:#E4D8CA;border-color:rgba(255,255,255,.14)}
.plan--hi .eyebrow,.plan--hi .plan__unit{color:#D8BFA4}
.plan--hi p{color:#E4D8CA}
.plan__badge{position:absolute;top:-12px;left:32px;background:var(--moss);color:#fff;font-size:10px;letter-spacing:.2em;text-transform:uppercase;padding:5px 12px;border-radius:2px}
.plan h3{font-size:26px;margin:8px 0 4px}
.plan>p{font-size:14px;color:var(--muted)}
.plan__price{font-family:var(--ff-s);font-size:34px;font-weight:500;color:var(--wood-d);margin-top:14px}
.plan__unit{font-size:13px;color:var(--muted)}
.plan ul{margin:22px 0 28px;flex:1}
.plan li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;display:flex;gap:10px}
.plan li::before{content:"—";color:var(--wood)}
.plan .btn{width:100%}

/* Form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{border:1px solid var(--line);background:#fff;padding:12px 14px;font-family:inherit;font-size:15px;font-weight:300;color:var(--ink);border-radius:var(--r);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--wood)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232B2622' stroke-width='1.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.field textarea{min-height:120px;resize:vertical}
.form__foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.form__foot small{color:var(--muted);font-size:13px}
.form-note{display:none;grid-column:1/-1;background:#EEF1E9;border:1px solid #CFD8C4;color:#3F4A35;padding:14px 16px;border-radius:var(--r);font-size:14px}
.form-note.is-show{display:block}
.form-card{background:#fff;border:1px solid var(--line);padding:40px;border-radius:var(--r)}
.form-card h3{margin-bottom:6px}
.form-card>p{margin-bottom:24px;font-size:14px;color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.two--side{grid-template-columns:.8fr 1.2fr}
.info-list{display:grid;gap:18px}
.info-list div{padding-bottom:18px;border-bottom:1px solid var(--line)}
.info-list b{display:block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:400;color:var(--muted);margin-bottom:4px}
.info-list p{font-size:16px;color:var(--ink)}

/* Showroom */
.showrooms{display:grid;gap:56px}
.showroom{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.showroom:nth-child(even) .showroom__img{order:2}
.showroom__img{aspect-ratio:4/3;position:relative;overflow:hidden;border-radius:var(--r);background:var(--ph)}
.showroom__img .ph{position:absolute;inset:0}
.showroom h3{font-size:30px;margin:8px 0 14px}
.showroom .info-list{margin-top:18px}
.hours{display:grid;grid-template-columns:1fr auto;gap:6px 18px;font-size:15px}
.hours span:nth-child(even){color:var(--muted)}
.map{aspect-ratio:16/7;background:repeating-linear-gradient(45deg,#EFE6D9 0 12px,#E9DFD2 12px 24px);border:1px solid var(--line);border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:var(--wood-d);font-family:var(--ff-s);font-size:20px;text-align:center;padding:20px}

/* Accordion */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;padding:20px 0;font-family:var(--ff-s);font-size:20px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-family:var(--ff-b);font-weight:300;font-size:26px;color:var(--wood);flex:none}
.acc details[open] summary::after{content:"–"}
.acc .body{padding:0 0 22px;color:#4A433D;max-width:760px}
.acc .body ul{padding-left:18px;list-style:disc;margin-top:8px}
.acc .body li{margin:4px 0}

/* Giới thiệu (trang thiết kế) */
.intro{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.intro__img{aspect-ratio:4/3;position:relative;overflow:hidden;border-radius:var(--r);background:var(--ph)}
.intro__img .ph{position:absolute;inset:0}
.intro h2{margin:10px 0 16px}
.checks{display:grid;gap:10px;margin-top:20px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.checks li::before{content:"";width:18px;height:18px;flex:none;margin-top:4px;border:1px solid var(--moss);border-radius:50%;background:radial-gradient(circle,var(--moss) 0 4px,transparent 4.5px)}

/* ---------------- FOOTER ---------------- */
.footer{background:var(--ink);color:#C9C0B6;padding:72px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .logo{color:#fff}
.footer .logo i{border-color:#D8BFA4}
.footer .logo i::after{background:#D8BFA4}
.footer p{color:#A69C91;font-size:14px;margin-top:14px;max-width:340px}
.footer h4{color:#fff;font-family:var(--ff-b);font-size:11px;letter-spacing:.24em;text-transform:uppercase;font-weight:400;margin-bottom:16px}
.footer li{margin:8px 0;font-size:14px}
.footer li a:hover{color:#fff}
.footer__bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#8A817A}
.footer__bot a:hover{color:#fff}
.newsletter{display:flex;gap:8px;margin-top:14px}
.newsletter input{flex:1;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;padding:10px 12px;font-family:inherit;font-size:14px;min-width:0}
.newsletter button{background:#fff;color:var(--ink);border:0;padding:10px 16px;font-family:inherit;font-size:12px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width:1100px){
  .rooms,.pgrid{grid-template-columns:repeat(3,1fr)}
  .shop .pgrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav{gap:22px}
  .hero__in{grid-template-columns:1fr;gap:24px}
  .hero__side{justify-self:start}
}
@media (max-width:980px){
  .header__in{height:68px;gap:16px}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 24px 16px}
  .nav.is-open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .story,.two,.two--side,.intro,.pd,.showroom{grid-template-columns:1fr;gap:36px}
  .showroom:nth-child(even) .showroom__img{order:0}
  .story__img{max-width:520px}
  .projects,.reviews,.plans{grid-template-columns:1fr 1fr}
  .shop{grid-template-columns:1fr;gap:28px}
  .filters{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
  .sec{padding:72px 0}
  .sec-head{flex-direction:column;align-items:flex-start}
  .sec-head--center{align-items:center}
}
@media (max-width:640px){
  body{font-size:15px}
  .container{padding-inline:18px}
  .shop{padding-block:36px 64px}
  .pd{padding-block:24px 56px}
  .header__in{grid-template-columns:40px 1fr 40px;height:64px;gap:8px}
  .logo{font-size:19px;justify-self:center;grid-column:2;grid-row:1}
  .burger{grid-column:1;grid-row:1}
  .hdr-tools{grid-column:3;grid-row:1;justify-self:end}
  .hdr-tools .icon-btn:first-child{display:none}
  .nav{grid-column:1/-1}
  .hero{height:auto;min-height:80vh;max-height:none;padding-top:110px}
  .hero__cta .btn{flex:1 1 auto}
  .hero__in{padding-bottom:36px}
  .hero p{font-size:15px}
  .hero__side{padding:18px}
  .rooms,.pgrid,.shop .pgrid{grid-template-columns:1fr 1fr;gap:20px 14px}
  .room__t{left:14px;bottom:14px;right:14px}
  .room__t h3{font-size:18px}
  .pcard h3{font-size:16px}
  .pph span{font-size:17px}
  .projects,.reviews,.plans,.steps,.filters,.form,.perks{grid-template-columns:1fr}
  .stats{gap:12px}
  .stat b{font-size:30px}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-head .num{font-size:64px;top:-34px}
  .cta{padding:80px 0}
  .form-card{padding:24px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .gallery__thumbs{gap:8px}
  .pd__act .btn{flex:1 1 100%}
  .pcard .price s{display:block;margin-left:0}
  .btn{padding:13px 20px}
  .topbar{font-size:11px}
  .step{padding:24px 20px}
  .page-head{padding:44px 0 28px}
  .proj__facts{grid-template-columns:repeat(3,1fr)}
}