/* ==========================================================================
   Thế Sơn Door — giao diện chính
   Màu thương hiệu lấy từ logo TS (xanh #007843) và BOODOOR (vàng #f5c000)
   ========================================================================== */
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/be-vietnam-pro-400-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/be-vietnam-pro-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/be-vietnam-pro-600-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/be-vietnam-pro-600-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/be-vietnam-pro-800-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/be-vietnam-pro-800-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --green-950:#032a17;--green-900:#053d22;--green-800:#075a31;--green-700:#006b3c;--green-600:#007843;--green-500:#12955a;--green-100:#e3f2ea;--green-50:#f2f8f4;
  --yellow:#f5c000;--yellow-600:#dca900;--yellow-100:#fff6d6;
  --red:#e0201f;--zalo:#0068ff;
  --ink:#15201a;--ink-2:#34423a;--muted:#5d6b63;--line:#dfe7e2;--line-2:#eef3f0;--bg:#fff;--bg-soft:#f4f8f5;
  --radius:14px;--radius-sm:10px;--shadow:0 1px 2px rgba(3,42,23,.06),0 8px 24px rgba(3,42,23,.08);--shadow-lg:0 18px 50px rgba(3,42,23,.18);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1200px;--header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--green-700);text-decoration:none}
a:hover{color:var(--green-900)}
h1,h2,h3,h4{line-height:1.22;margin:0 0 .5em;color:var(--green-950);font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.75rem,1.2rem + 2.2vw,2.75rem)}
h2{font-size:clamp(1.45rem,1.1rem + 1.4vw,2.1rem)}
h3{font-size:1.14rem;font-weight:600}
p{margin:0 0 1em}
b,strong{font-weight:600}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--yellow);color:#000;padding:8px 14px;z-index:1000;border-radius:8px}
.skip:focus{left:8px}
.ico{flex:0 0 auto}
.nowrap{white-space:nowrap}
[hidden]{display:none!important}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.72em 1.25em;border-radius:999px;border:2px solid transparent;font-weight:600;line-height:1.2;cursor:pointer;text-align:center;transition:transform .15s,background-color .15s,box-shadow .15s,color .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn--lg{padding:.9em 1.5em;font-size:1.04rem}
.btn--block{display:flex;width:100%}
.btn--primary{background:var(--green-600);color:#fff}
.btn--primary:hover{background:var(--green-800);color:#fff}
.btn--accent{background:var(--yellow);color:#1b1500;box-shadow:0 6px 18px rgba(245,192,0,.35)}
.btn--accent:hover{background:#ffcf1f;color:#000}
.btn--ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:#fff;color:var(--green-900)}
.btn--outline{background:#fff;color:var(--green-700);border-color:var(--green-600)}
.btn--outline:hover{background:var(--green-600);color:#fff}
.btn--white{background:#fff;color:var(--green-900)}
.btn--white:hover{background:var(--green-50);color:var(--green-900)}
.btn--zalo{background:var(--zalo);color:#fff}
.btn--zalo:hover{background:#0052cc;color:#fff}

/* ---------- Thanh trên cùng ---------- */
.topbar{background:var(--green-950);color:#cfe3d7;font-size:.84rem}
.topbar__in{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:36px}
.topbar__right{display:flex;gap:20px}
.topbar__item{display:inline-flex;align-items:center;gap:6px;color:#cfe3d7}
a.topbar__item:hover{color:#fff}
@media (max-width:900px){.topbar{display:none}}

/* ---------- Đầu trang ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;gap:18px;min-height:var(--header-h)}
.brand img{height:56px;width:auto}
.header__cta{display:flex;align-items:center;gap:12px;margin-left:auto}
.hotline{display:flex;align-items:center;gap:10px;color:var(--ink)}
.hotline__ico{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--green-100);color:var(--green-700)}
.hotline__txt{display:flex;flex-direction:column;line-height:1.2}
.hotline__txt small{font-size:.74rem;color:var(--muted)}
.hotline__txt b{font-size:1.08rem;color:var(--green-800);font-weight:800}
.burger{display:none;background:none;border:0;padding:8px;margin-right:-8px;color:var(--green-900);cursor:pointer}

.nav{flex:1;display:flex;justify-content:center}
.nav .menu{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:2px}
.nav .menu>li{position:relative}
.nav .menu>li>a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:.95rem}
.nav .menu>li>a:hover,.nav .menu>li.current>a,.nav .menu>li.current-menu-item>a{color:var(--green-700);background:var(--green-50)}
.nav .sub-toggle{display:none}
.nav .sub-menu{list-style:none;margin:0;padding:8px;position:absolute;top:100%;left:0;min-width:240px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s}
.nav .menu>li:hover>.sub-menu,.nav .menu>li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.nav .sub-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink-2)}
.nav .sub-menu a:hover{background:var(--green-50);color:var(--green-700)}
.nav__head,.nav__foot{display:none}
.nav-backdrop{position:fixed;inset:0;background:rgba(3,42,23,.5);z-index:70}

@media (max-width:1180px){.hotline{display:none}}
@media (max-width:1024px){
  :root{--header-h:64px}
  .brand img{height:46px}
  .burger{display:block}
  .header__quote{padding:.55em 1em;font-size:.9rem}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:80;flex-direction:column;justify-content:flex-start;transform:translateX(100%);transition:transform .25s ease;box-shadow:var(--shadow-lg);overflow-y:auto}
  .nav.is-open{transform:none}
  .nav__head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
  .nav__close{background:none;border:0;padding:6px;cursor:pointer;color:var(--ink)}
  .nav .menu{flex-direction:column;align-items:stretch;padding:10px}
  .nav .menu>li{display:flex;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--line-2)}
  .nav .menu>li>a{flex:1;padding:13px 10px;font-size:1rem}
  .nav .sub-toggle{display:grid;place-items:center;width:44px;height:44px;background:none;border:0;cursor:pointer;color:var(--muted)}
  .nav .sub-toggle[aria-expanded="true"] .ico{transform:rotate(180deg)}
  .nav .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;width:100%;padding:0 0 8px 10px;display:none;min-width:0}
  .nav .menu>li.is-open>.sub-menu{display:block}
  .nav__foot{display:grid;gap:10px;padding:16px 18px;margin-top:auto}
}
@media (max-width:420px){.header__quote{display:none}}

/* ---------- Khối chung ---------- */
.section{padding:72px 0}
.section--tight{padding:36px 0 56px}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--green-950);color:#d8e8de}
.section--dark h2{color:#fff}
@media (max-width:767px){.section{padding:52px 0}}
.eyebrow{display:inline-block;margin:0 0 .6em;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--green-600)}
.section--dark .eyebrow{color:var(--yellow)}
.sec-head{max-width:760px;margin:0 auto 36px;text-align:center}
.sec-head p:last-child{margin-bottom:0;color:var(--muted)}
.sec-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;text-align:left;margin-bottom:28px}
.sec-head--row h2{margin:0}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;white-space:nowrap}
.ticks{list-style:none;margin:0 0 1.4em;padding:0;display:grid;gap:.55em}
.ticks li{position:relative;padding-left:1.85em}
.ticks .ico{position:absolute;left:0;top:.2em;color:var(--yellow)}
.ticks--dark .ico{color:var(--green-600)}
.ticks--sm{font-size:.93rem;color:var(--ink-2);margin-top:18px}
.chips{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chips li{font-size:.78rem;padding:3px 9px;border-radius:999px;background:var(--green-50);color:var(--green-800);border:1px solid var(--green-100)}
.empty{padding:40px;text-align:center;color:var(--muted);background:var(--bg-soft);border-radius:var(--radius)}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--green-950)}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:60% 30%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,42,23,.95) 0%,rgba(3,42,23,.86) 42%,rgba(3,42,23,.45) 75%,rgba(3,42,23,.35) 100%)}
.hero__in{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-block:64px 72px}
.hero h1{color:#fff;font-size:clamp(1.9rem,1.2rem + 2.6vw,3.05rem);margin-bottom:.6em}
.hero h1 span{color:var(--yellow)}
.hero .eyebrow{color:var(--yellow)}
.hero .ticks{font-size:1.04rem;color:#e7f1eb}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero__actions--center{justify-content:center}
.hero__badges{display:flex;align-items:center;gap:14px;margin:0;font-size:.86rem;color:#cfe3d7;line-height:1.45}
.hero__badges img{width:84px;height:auto;border-radius:6px;background:#fff;padding:3px}
.hero__form{background:#fff;color:var(--ink);border-radius:18px;padding:26px;box-shadow:var(--shadow-lg);border-top:5px solid var(--yellow)}
@media (max-width:960px){
  .hero__in{grid-template-columns:1fr;gap:28px;padding-block:40px 44px}
  .hero::after{background:linear-gradient(180deg,rgba(3,42,23,.88),rgba(3,42,23,.94))}
}

/* ---------- Form báo giá ---------- */
.lead__title{font-size:1.28rem;font-weight:800;color:var(--green-950);margin:0 0 .25em;line-height:1.3}
.lead__sub{color:var(--muted);font-size:.93rem;margin-bottom:16px}
.lead__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
@media (max-width:480px){.lead__grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:5px;font-size:.86rem;font-weight:600;color:var(--ink-2)}
.field--full{grid-column:1/-1}
.field--check{flex-direction:row;align-items:center;gap:8px;font-weight:500}
.field em{color:var(--red);font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:.72em .85em;border:1.5px solid var(--line);border-radius:10px;background:#fff;font-weight:400;font-size:1rem;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--green-600);box-shadow:0 0 0 4px rgba(0,120,67,.14)}
.field input[aria-invalid="true"]{border-color:var(--red);box-shadow:0 0 0 4px rgba(224,32,31,.12)}
.lead__note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.78rem;color:var(--muted);margin:10px 0 0}
.lead__msg{margin-top:12px;padding:12px 14px;border-radius:10px;background:var(--green-100);color:var(--green-900);font-size:.95rem}
.lead__msg.is-error{background:#fde8e8;color:#8a1515}
.lead.is-sending button[type=submit]{opacity:.7;pointer-events:none}
.lead.is-done .lead__grid,.lead.is-done button[type=submit],.lead.is-done .lead__note{display:none}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.card-form{background:#fff;border-radius:18px;padding:26px;box-shadow:var(--shadow);border:1px solid var(--line);border-top:5px solid var(--yellow)}
.card-form--sticky{position:sticky;top:calc(var(--header-h) + 20px)}

/* ---------- Dải niềm tin ---------- */
.trust{background:var(--green-700);color:#fff}
.trust__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.trust__item{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:12px;align-items:center;padding:20px 14px;border-right:1px solid rgba(255,255,255,.14)}
.trust__item:last-child{border-right:0}
.trust__item .ico{grid-row:span 2;color:var(--yellow)}
.trust__item b{font-size:1.02rem;line-height:1.2}
.trust__item span{font-size:.8rem;color:#cfe8da;line-height:1.35}
@media (max-width:960px){.trust__grid{grid-template-columns:repeat(2,1fr)}.trust__item{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.trust__item:last-child{grid-column:span 2}}

/* ---------- Dòng sản phẩm ---------- */
.lines{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.line-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink);transition:transform .2s,box-shadow .2s}
.line-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);color:var(--ink)}
.line-card__img{display:block;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(160deg,var(--green-50),#fff);padding:18px}
.line-card__img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.line-card--tam-lien .line-card__img{padding:0}
.line-card--tam-lien .line-card__img img{width:100%;height:100%;object-fit:cover;object-position:28% 50%;mix-blend-mode:normal}
.line-card__body{display:flex;flex-direction:column;gap:8px;padding:20px 22px 22px;font-size:.94rem;color:var(--muted);flex:1}
.line-card__name{font-size:1.2rem;color:var(--green-950);font-weight:800}
.line-card--boodoor .line-card__name{color:var(--green-700)}
.line-card__more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;color:var(--green-700);font-weight:600}
@media (max-width:860px){.lines{grid-template-columns:1fr}.line-card{flex-direction:row}.line-card__img{width:38%;aspect-ratio:auto}.line-card__body{padding:16px}}

/* ---------- Thẻ sản phẩm ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:1100px){.pgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:767px){.pgrid{grid-template-columns:repeat(2,1fr);gap:12px}}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,transform .2s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.pcard__img{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(180deg,#f7faf8,#eef4f0);padding:12px}
.pcard__img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pcard__line{position:absolute;top:10px;left:10px;font-size:.68rem;font-weight:800;letter-spacing:.06em;padding:3px 8px;border-radius:6px;background:var(--green-700);color:#fff}
.pcard__line--boodoor{background:var(--yellow);color:#1b1500}
.pcard__body{display:flex;flex-direction:column;flex:1;padding:14px 16px 16px}
.pcard__title{font-size:1rem;margin:0 0 4px;line-height:1.35}
.pcard__title a{color:var(--green-950)}
.pcard__meta{font-size:.82rem;color:var(--muted);margin-bottom:8px;line-height:1.4}
.pcard__foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:8px;padding-top:10px;border-top:1px dashed var(--line)}
.pcard__more{display:inline-flex;align-items:center;gap:4px;font-weight:600;font-size:.88rem;white-space:nowrap}
.price{display:flex;flex-direction:column;line-height:1.2;color:var(--red);font-size:.9rem}
.price small{font-size:.7rem;color:var(--muted);font-weight:500}
.price b{font-size:1.06rem;font-weight:800}
.price--contact{color:var(--green-700);font-weight:600;font-size:.92rem}
.price--alt{margin-top:4px}
.price-note{display:block;font-size:.8rem;color:var(--muted);margin-top:6px}
.price-note--block{margin-top:22px;text-align:center}
@media (max-width:767px){.pcard__body{padding:10px 12px 12px}.pcard__title{font-size:.92rem}.pcard__meta,.chips{display:none}.pcard__foot{flex-direction:column;align-items:flex-start}}

/* ---------- Tính năng ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.features--4{grid-template-columns:repeat(4,1fr)}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.feature__ico{display:grid;place-items:center;width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--green-600),var(--green-800));color:var(--yellow);margin-bottom:14px}
.feature h3{margin-bottom:.35em}
.feature p{margin:0;color:var(--muted);font-size:.94rem}
@media (max-width:960px){.features,.features--4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.features,.features--4{grid-template-columns:1fr}}

/* ---------- Chia đôi ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split--rev .split__media{order:2}
.split__media img{border-radius:var(--radius);background:#fff}
.section--dark .split__media img{padding:18px}
.split__media--duo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.split__media--duo img{border:1px solid var(--line);padding:14px}
@media (max-width:960px){.split{grid-template-columns:1fr;gap:28px}.split--rev .split__media{order:0}}
.parts{columns:2;column-gap:28px;margin:0;padding-left:1.4em;font-size:.95rem}
.parts li{padding:3px 0;break-inside:avoid}
.parts li::marker{color:var(--yellow);font-weight:800}
.parts--light li::marker{color:var(--green-600)}
@media (max-width:480px){.parts{columns:1}}

/* ---------- Bảng ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 20px;border-radius:12px;border:1px solid var(--line);background:#fff}
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.tbl thead th{background:var(--green-700);color:#fff;font-weight:600;font-size:.86rem;white-space:nowrap}
.tbl tbody tr:nth-child(even){background:var(--bg-soft)}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl--price td:last-child{color:var(--red)}
.tbl-title{margin:36px 0 14px;font-size:1.35rem}
.tbl-title:first-child{margin-top:0}
.specs{width:100%;border-collapse:collapse;margin:18px 0;font-size:.94rem}
.specs th,.specs td{padding:9px 0;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
.specs th{width:44%;color:var(--muted);font-weight:500;padding-right:12px}

/* ---------- Màu sơn ---------- */
.swatches{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:18px 26px}
.swatches li{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.88rem;font-weight:600;color:var(--ink-2)}
.swatch{width:74px;height:74px;border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.35),transparent 45%),repeating-linear-gradient(180deg,var(--c) 0 12px,color-mix(in srgb,var(--c) 82%,#000) 12px 14px);box-shadow:inset 0 0 0 1px rgba(0,0,0,.08),var(--shadow)}

/* ---------- Thư viện ảnh ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:14px}
.gallery figure{position:relative;margin:0;border-radius:12px;overflow:hidden;background:#dfe7e2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 9px;font-size:.82rem;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.gallery__big{grid-column:span 2;grid-row:span 2}
.gallery--3{grid-template-columns:repeat(3,1fr);grid-auto-rows:220px}
@media (max-width:860px){.gallery,.gallery--3{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}}
.notice{display:flex;gap:14px;margin-top:28px;padding:18px 20px;border-radius:var(--radius);background:var(--yellow-100);border:1px solid #f1dc8e;color:#4a3b00;font-size:.94rem}
.notice .ico{color:var(--yellow-600);margin-top:2px}
.notice ul{margin:.4em 0 0;padding-left:1.2em}
.notice--light{background:var(--green-50);border-color:var(--green-100);color:var(--ink-2)}
.notice--light .ico{color:var(--green-600)}

/* ---------- Quy trình ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px}
.steps span{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--yellow);color:#1b1500;font-weight:800;margin-bottom:12px}
.steps p{margin:0;color:var(--muted);font-size:.93rem}
@media (max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- Hỏi đáp ---------- */
.faq-wrap{max-width:880px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;font-weight:600;cursor:pointer;list-style:none;color:var(--green-950)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ico{transition:transform .2s;color:var(--green-600)}
.faq details[open] summary .ico{transform:rotate(180deg)}
.faq details p{padding:0 18px 16px;margin:0;color:var(--ink-2)}

/* ---------- Tin tức ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:960px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.post-grid{grid-template-columns:1fr}}
.postcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.postcard__img{display:block;aspect-ratio:16/10;background:var(--green-50);overflow:hidden}
.postcard__img img{width:100%;height:100%;object-fit:cover}
.postcard__body{padding:16px 18px 18px}
.postcard__date{font-size:.8rem;color:var(--muted)}
.postcard__title{font-size:1.06rem;margin:4px 0 8px}
.postcard__title a{color:var(--green-950)}
.postcard p{font-size:.92rem;color:var(--muted);margin:0}
.noimg{display:grid;place-items:center;width:100%;height:100%;min-height:140px;color:var(--green-100)}

/* ---------- Dải CTA ---------- */
.cta-band{background:linear-gradient(120deg,var(--green-800),var(--green-600));color:#fff}
.cta-band__in{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-block:40px}
.cta-band h2{color:#fff;margin-bottom:.3em;font-size:clamp(1.3rem,1rem + 1.2vw,1.8rem)}
.cta-band p{margin:0;color:#d6ecdf}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:960px){.cta-band__in{flex-direction:column;align-items:flex-start}}

/* ---------- Chân trang ---------- */
.site-footer{background:var(--green-950);color:#b9cfc2;font-size:.93rem}
.footer__grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1.2fr;gap:36px;padding-block:56px 36px}
.footer__logo{background:#fff;border-radius:12px;padding:8px 12px;height:74px;width:auto;margin-bottom:14px}
.footer__brand p{margin-bottom:.6em}
.footer__brand b{color:#fff}
.footer__slogan{font-style:italic;color:var(--yellow)}
.footer__h{color:#fff;font-size:1rem;margin-bottom:14px}
.footer__links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:#dbe9e1}
.site-footer a:hover{color:var(--yellow)}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.contact-list li{display:flex;gap:10px;align-items:flex-start}
.contact-list .ico{color:var(--yellow);margin-top:3px}
.social{display:flex;gap:8px;margin-top:14px}
.social a{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08)}
.social a:hover{background:var(--yellow);color:#000}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer__bottom-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:16px;font-size:.82rem;color:#8fa99a}
@media (max-width:960px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.footer__grid{grid-template-columns:1fr;gap:26px}.site-footer{padding-bottom:70px}}

/* ---------- Liên hệ nhanh ---------- */
.actionbar{display:none}
@media (max-width:767px){
  .actionbar{display:grid;grid-template-columns:1fr 1fr 1.25fr;position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;box-shadow:0 -6px 24px rgba(3,42,23,.14);padding:6px 6px calc(6px + env(safe-area-inset-bottom));gap:6px}
  .actionbar__btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:7px 4px;border-radius:12px;font-size:.78rem;font-weight:600;color:#fff}
  .actionbar__btn--call{background:var(--green-600)}
  .actionbar__btn--zalo{background:var(--zalo)}
  .actionbar__btn--quote{background:var(--yellow);color:#1b1500}
  .actionbar__btn:hover{color:inherit}
  body{padding-bottom:64px}
}
.floaters{position:fixed;right:18px;bottom:22px;z-index:85;display:grid;gap:12px}
.floater{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;color:#fff;box-shadow:var(--shadow-lg);transition:transform .2s}
.floater:hover{transform:scale(1.08);color:#fff}
.floater--zalo{background:var(--zalo)}
.floater--call{background:var(--green-600);animation:ring 2.4s infinite}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(0,120,67,.45),var(--shadow-lg)}60%{box-shadow:0 0 0 16px rgba(0,120,67,0),var(--shadow-lg)}}
@media (max-width:767px){.floaters{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- Hộp thoại báo giá ---------- */
.quote-modal{border:0;border-radius:20px;padding:28px;width:min(560px,calc(100vw - 24px));max-height:calc(100dvh - 24px);box-shadow:var(--shadow-lg);border-top:6px solid var(--yellow)}
.quote-modal::backdrop{background:rgba(3,42,23,.62);backdrop-filter:blur(2px)}
.quote-modal__close{position:absolute;top:10px;right:10px;background:var(--bg-soft);border:0;border-radius:50%;width:38px;height:38px;display:grid;place-items:center;cursor:pointer}
@media (max-width:480px){.quote-modal{padding:22px 16px}}

/* ---------- Tiêu đề trang con ---------- */
.page-hero{background:linear-gradient(135deg,var(--green-950),var(--green-800));color:#d9e9df;padding:34px 0 44px}
.page-hero--sm{padding:26px 0 34px}
.page-hero h1{color:#fff;margin-bottom:.3em}
.page-hero__lead{max-width:760px;margin:0;color:#cfe3d7}
.page-hero__lead p{margin:0}
.page-hero__meta{margin:0;color:#b5cfc0;font-size:.9rem}
.page-hero--img{position:relative;background:var(--green-950) var(--bg) center/cover;padding:56px 0 64px}
.page-hero--img::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,42,23,.94),rgba(3,42,23,.7))}
.page-hero--img .wrap{position:relative}
.page-hero .eyebrow{color:var(--yellow)}
.crumbs ol{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-wrap:wrap;gap:4px 0;font-size:.84rem}
.crumbs li{color:#a9c4b4}
.crumbs li+li::before{content:"›";margin:0 8px;color:#6f9280}
.crumbs a{color:#dbe9e1}
.crumbs a:hover{color:var(--yellow)}
.section--tight>.wrap>.crumbs li{color:var(--muted)}
.section--tight>.wrap>.crumbs a{color:var(--green-700)}

/* ---------- Bộ lọc ---------- */
.filters{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.filters__group{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.filters__label{font-size:.86rem;color:var(--muted);font-weight:600;margin-right:4px}
.chip-link{display:inline-flex;align-items:center;gap:4px;padding:7px 14px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink-2);font-weight:600;font-size:.88rem}
.chip-link small{color:var(--muted);font-weight:500}
.chip-link:hover{border-color:var(--green-600);color:var(--green-700)}
.chip-link.is-on{background:var(--green-600);border-color:var(--green-600);color:#fff}
.chip-link.is-on small{color:#d6ecdf}
.nav-links{display:flex;justify-content:center;gap:6px;margin-top:30px}
.page-numbers{display:grid;place-items:center;min-width:42px;height:42px;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:600}
.page-numbers.current{background:var(--green-600);color:#fff;border-color:var(--green-600)}

/* ---------- Chi tiết sản phẩm ---------- */
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.pd__media{position:sticky;top:calc(var(--header-h) + 16px)}
.pd__main{display:grid;place-items:center;aspect-ratio:4/3;background:linear-gradient(180deg,#f7faf8,#eaf2ed);border-radius:18px;padding:22px;border:1px solid var(--line)}
.pd__main img{max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.pd__thumbs{display:flex;gap:10px;margin-top:12px;overflow-x:auto}
.pd__thumb{flex:0 0 76px;height:76px;padding:4px;border:2px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.pd__thumb.is-on{border-color:var(--green-600)}
.pd__thumb img{width:100%;height:100%;object-fit:contain}
.pd__line{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--green-600);margin-bottom:6px}
.pd__title{font-size:clamp(1.55rem,1.2rem + 1.3vw,2.2rem);margin-bottom:.2em}
.pd__code{color:var(--muted);margin-bottom:10px}
.pd__lead{color:var(--ink-2)}
.pd__price{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 22px;padding:14px 16px;border-radius:12px;background:var(--yellow-100);border:1px solid #f1dc8e}
.pd__price .price b{font-size:1.45rem}
.pd__price .price-note{width:100%;margin:0}
.pd__cta{display:grid;gap:10px;margin-top:18px}
.pd__cta-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pd-body{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start}
@media (max-width:960px){.pd,.pd-body{grid-template-columns:1fr;gap:26px}.pd__media{position:static}.card-form--sticky{position:static}}

/* ---------- Nội dung bài viết ---------- */
.content{font-size:1.02rem;color:var(--ink-2);min-width:0}
.content--narrow{max-width:820px;margin-inline:auto}
.content h2{font-size:1.5rem;margin-top:1.4em}
.content h2:first-child{margin-top:0}
.content h3{font-size:1.2rem;margin-top:1.3em}
.content ul,.content ol{padding-left:1.3em;margin:0 0 1em}
.content li{margin-bottom:.35em}
.content img{border-radius:12px;margin:1em auto}
.content a{text-decoration:underline;text-underline-offset:3px}
.content blockquote{margin:1.2em 0;padding:14px 18px;border-left:4px solid var(--yellow);background:var(--yellow-100);border-radius:0 12px 12px 0}
.content table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.94rem}
.content th,.content td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.content th{background:var(--green-50)}
.content__cover{margin:0 0 1.2em}
.content__cover img{margin:0;width:100%}
.content .sign{text-align:right;font-weight:600;color:var(--green-950)}

/* ---------- Giới thiệu ---------- */
.about{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.about__facts{display:grid;gap:12px;position:sticky;top:calc(var(--header-h) + 20px)}
.fact{background:var(--green-950);color:#cfe3d7;border-radius:14px;padding:16px 18px}
.fact b{display:block;color:var(--yellow);font-size:1.4rem;font-weight:800;line-height:1.2}
.fact span{font-size:.88rem}
@media (max-width:960px){.about{grid-template-columns:1fr}.about__facts{position:static;grid-template-columns:repeat(2,1fr)}}

/* ---------- Liên hệ ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact__info h2{font-size:1.4rem}
.contact-cards{list-style:none;margin:0 0 20px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-cards li{display:flex;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}
.contact-cards div{display:flex;flex-direction:column;line-height:1.4;min-width:0;overflow-wrap:anywhere}
.contact-cards small{color:var(--muted);font-size:.78rem}
.contact-cards span{font-size:.88rem;color:var(--ink-2)}
.contact-cards__ico{display:grid;place-items:center;flex:0 0 42px;height:42px;border-radius:12px;background:var(--green-100);color:var(--green-700)}
.contact-cards__ico--zalo{background:#e6f0ff;color:var(--zalo)}
.map iframe{display:block;width:100%;height:420px;border:0}
@media (max-width:960px){.contact{grid-template-columns:1fr}}
@media (max-width:520px){.contact-cards{grid-template-columns:1fr}}

/* ---------- Phụ kiện ---------- */
.acc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:960px){.acc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.acc-grid{grid-template-columns:1fr}}
.acc{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.acc__img{display:block;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(180deg,#f7faf8,#eef4f0);padding:16px}
.acc__img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.acc__body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.acc__title{font-size:1.1rem;margin-bottom:6px}
.acc__title a{color:var(--green-950)}
.acc__body p{font-size:.9rem;color:var(--muted)}
.acc__rows{list-style:none;margin:0 0 12px;padding:0;font-size:.88rem}
.acc__rows li{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line)}
.acc__rows b{color:var(--red);white-space:nowrap}
.acc .pcard__more{margin-top:auto}

/* ---------- Ước tính ---------- */
.estimator{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.estimator__inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start}
.estimator__out{background:var(--green-950);color:#d7e8de;border-radius:14px;padding:20px}
.est-row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.est-row b{color:#fff}
.est-total{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:14px 0 6px;font-weight:600}
.est-total b{color:var(--yellow);font-size:1.6rem;font-weight:800}
.est-hint{font-size:.84rem;color:#ffd84d;min-height:1em;margin:4px 0}
.estimator__out .price-note{color:#9ab8a8;margin-bottom:14px}
@media (max-width:860px){.estimator{grid-template-columns:1fr;padding:16px}}

/* ---------- Tìm kiếm / 404 ---------- */
.search{display:flex;gap:8px;max-width:560px;margin-top:14px}
.search input{flex:1;padding:.75em 1em;border-radius:999px;border:0}
.search-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.search-list li{padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column}
.search-list span{font-size:.92rem;color:var(--muted)}
.notfound{text-align:center}
.notfound__code{font-size:6rem;font-weight:800;color:var(--green-100);line-height:1;margin:0}