/* ============================================================
   MINH TUẤN — Đồ Gỗ Minh Tuấn · Từ Sơn, Bắc Ninh
   Brand: forest green #2E6D50 / gold #C9A24B / warm paper #F6F4EF
   Font: Be Vietnam Pro (Vietnamese diacritics full support)
   Mobile-first. v1 2026-11-02
   ============================================================ */

:root{
  --green:#2E6D50;
  --green-dark:#1F4A36;
  --green-deep:#143526;
  --gold:#C9A24B;
  --paper:#F6F4EF;
  --ink:#22271F;
  --muted:#6B7264;
  --line:#E5E2D9;
  --white:#FFFFFF;
  --radius:14px;
  --shadow:0 6px 24px rgba(20,53,38,.08);
  --maxw:1160px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Be Vietnam Pro','Microsoft YaHei','PingFang SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);background:var(--white);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-dark)}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.topbar{
  background:var(--green-deep);color:#DCE7DF;
  font-size:13px;padding:7px 0;
}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#F0C97D;font-weight:600}

header.site{
  position:sticky;top:0;z-index:50;background:var(--white);
  border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(20,53,38,.05);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:44px;width:auto}
.brand .bt{line-height:1.15}
.brand .bt b{display:block;font-size:17px;color:var(--green-dark);letter-spacing:.3px}
.brand .bt span{font-size:11.5px;color:var(--muted)}

nav.menu{display:none}
nav.menu ul{display:flex;gap:6px}
nav.menu a{
  display:block;padding:9px 14px;border-radius:8px;
  color:var(--ink);font-weight:500;font-size:15px;
}
nav.menu a:hover,nav.menu a.active{background:var(--paper);color:var(--green-dark)}
nav.menu a.cta{
  background:var(--green);color:#fff;font-weight:600;
}
nav.menu a.cta:hover{background:var(--green-dark);color:#fff}

.burger{
  display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;
}
.burger span{width:24px;height:2px;background:var(--green-dark);border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

nav.mobile{
  display:none;background:var(--white);border-top:1px solid var(--line);
  padding:8px 20px 16px;
}
nav.mobile.open{display:block}
nav.mobile a{
  display:block;padding:12px 4px;border-bottom:1px solid var(--line);
  font-weight:500;color:var(--ink);
}
nav.mobile a.cta{color:var(--green);font-weight:700;border-bottom:0}

@media(min-width:900px){
  nav.menu{display:block}
  .burger{display:none}
  nav.mobile{display:none !important}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;
  min-height:520px;display:flex;align-items:center;
  background:url('../img/hero-dsl-jiaofu.jpg') center/cover no-repeat;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,38,27,.88) 0%,rgba(20,53,38,.62) 55%,rgba(20,53,38,.25) 100%);
}
.hero .wrap{position:relative;padding-top:64px;padding-bottom:64px}
.hero .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:#F0C97D;font-weight:600;margin-bottom:16px;
}
.hero .kicker::before{content:'';width:34px;height:2px;background:var(--gold)}
.hero h1{
  font-size:clamp(30px,5.4vw,52px);line-height:1.15;font-weight:700;
  max-width:640px;
}
.hero h1 em{font-style:normal;color:#F0C97D}
.hero p.lead{
  margin-top:18px;font-size:clamp(15px,2vw,18px);
  color:#E4EBE4;max-width:560px;
}
.hero .acts{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;
  transition:.2s;cursor:pointer;border:0;
}
.btn.primary{background:var(--green);color:#fff}
.btn.primary:hover{background:#275d43;color:#fff}
.btn.gold{background:var(--gold);color:#2A2E26}
.btn.gold:hover{background:#b8913f;color:#2A2E26}
.btn.ghost{border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn.line{border:1.5px solid var(--green);color:var(--green)}
.btn.line:hover{background:var(--green);color:#fff}

/* hero stats */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:44px}
@media(min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:16px 18px;backdrop-filter:blur(4px);
}
.stat b{display:block;font-size:26px;color:#F0C97D;line-height:1.1}
.stat span{font-size:13px;color:#DCE7DF}

/* ---------- Sections ---------- */
section.sec{padding:64px 0}
section.sec.alt{background:var(--paper)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 40px}
.sec-head .tag{
  font-size:12.5px;letter-spacing:2px;text-transform:uppercase;
  color:var(--gold);font-weight:600;
}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);color:var(--green-deep);margin-top:8px;line-height:1.25}
.sec-head p{color:var(--muted);margin-top:10px;font-size:15.5px}

/* category cards */
.cats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:860px){.cats{grid-template-columns:repeat(4,1fr)}}
.cat{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.cat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.cat .thumb{height:170px;overflow:hidden}
.cat .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cat:hover .thumb img{transform:scale(1.05)}
.cat .body{padding:18px}
.cat h3{font-size:17px;color:var(--green-deep)}
.cat p{font-size:13.5px;color:var(--muted);margin-top:6px}
.cat .more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-weight:600;font-size:14px;color:var(--green)}
.cat .more::after{content:'→';transition:.2s}
.cat:hover .more::after{transform:translateX(4px)}

/* advantage strip */
.advs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:860px){.advs{grid-template-columns:repeat(4,1fr)}}
.adv{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;text-align:center;
}
.adv .ic{
  width:52px;height:52px;border-radius:50%;margin:0 auto 12px;
  background:var(--paper);display:flex;align-items:center;justify-content:center;
  color:var(--green);font-size:24px;font-weight:700;
}
.adv h4{font-size:15.5px;color:var(--green-deep)}
.adv p{font-size:13.5px;color:var(--muted);margin-top:6px}

/* split about */
.split{display:grid;gap:28px;align-items:center}
@media(min-width:860px){.split{grid-template-columns:1fr 1fr}}
.split .ph{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split .ph img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split h2{font-size:clamp(22px,3vw,30px);color:var(--green-deep);line-height:1.3}
.split p{color:var(--muted);margin-top:14px;font-size:15.5px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink);
}
.check-list li::before{
  content:'✓';flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--green);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:860px){.gal{grid-template-columns:repeat(4,1fr)}}
.gal a{display:block;border-radius:12px;overflow:hidden;position:relative}
.gal img{width:100%;aspect-ratio:1;object-fit:cover;transition:.35s}
.gal a:hover img{transform:scale(1.06)}

/* CTA band */
.band{
  background:var(--green-dark);color:#fff;border-radius:20px;
  padding:44px 32px;text-align:center;
}
.band h2{font-size:clamp(22px,3vw,32px)}
.band h2 em{font-style:normal;color:#F0C97D}
.band p{color:#DCE7DF;margin-top:10px;font-size:15.5px}
.band .acts{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{
  background:var(--green-deep);color:#fff;padding:52px 0;
  position:relative;
}
.page-hero::after{
  content:'';position:absolute;right:0;top:0;bottom:0;width:38%;
  background:url('../img/warehouse-2.jpg') center/cover;opacity:.22;
  mask-image:linear-gradient(90deg,transparent,#000 60%);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);
}
.page-hero .wrap{position:relative}
.crumb{font-size:13px;color:#A9C4B2;margin-bottom:10px}
.crumb a{color:#A9C4B2}
.crumb a:hover{color:#F0C97D}
.page-hero h1{font-size:clamp(26px,4vw,40px);line-height:1.2}
.page-hero p{color:#DCE7DF;margin-top:10px;max-width:640px;font-size:15.5px}

/* ---------- Product detail ---------- */
.layout{display:grid;gap:36px;padding:48px 0}
@media(min-width:940px){.layout{grid-template-columns:240px 1fr}}
aside.side h3{
  font-size:13px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
aside.side li a{
  display:block;padding:11px 14px;border-radius:9px;font-size:15px;
  color:var(--ink);border:1px solid transparent;
}
aside.side li a:hover,aside.side li a.on{
  background:var(--paper);color:var(--green-dark);border-color:var(--line);font-weight:600;
}
aside.side .call{
  margin-top:22px;background:var(--green-dark);color:#fff;border-radius:12px;padding:18px;
}
aside.side .call b{color:#F0C97D;font-size:18px;display:block;margin-top:4px}
aside.side .call span{font-size:13px;color:#DCE7DF}

.prose h2{font-size:23px;color:var(--green-deep);margin:34px 0 12px}
.prose h3{font-size:18px;color:var(--green-dark);margin:24px 0 8px}
.prose p{color:#3C443A;margin-bottom:12px;font-size:15.5px}
.prose ul{list-style:disc;padding-left:22px;color:#3C443A;margin-bottom:12px}
.prose li{margin-bottom:6px}
.prose .lead-p{font-size:17px;color:var(--ink)}

table.spec{
  width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px;
}
table.spec th,table.spec td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
table.spec th{background:var(--paper);color:var(--green-deep);font-weight:600;white-space:nowrap}
table.spec td{color:#3C443A}

.fig{border-radius:12px;overflow:hidden;margin:18px 0}
.fig img{width:100%;object-fit:cover}
.fig figcaption{font-size:13px;color:var(--muted);padding:10px 14px;background:var(--paper)}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.pill{
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;font-size:14px;color:var(--green-dark);font-weight:500;
}
.pill b{color:var(--gold)}

.badge{
  display:inline-block;background:#FCEFE0;color:#8A5A18;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
  letter-spacing:.5px;
}
.badge.green{background:#E4F0E9;color:var(--green-dark)}

/* contact cards */
.contact-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:760px){.contact-grid{grid-template-columns:repeat(3,1fr)}}
.ccard{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:var(--white);
}
.ccard .ic{
  width:46px;height:46px;border-radius:12px;background:var(--paper);
  display:flex;align-items:center;justify-content:center;color:var(--green);
  font-weight:700;font-size:20px;margin-bottom:14px;
}
.ccard h4{color:var(--green-deep);font-size:16px}
.ccard p{color:var(--muted);font-size:14.5px;margin-top:6px}
.ccard a{font-weight:600}

/* ---------- Footer ---------- */
footer.site{background:var(--green-deep);color:#C9D8CD;margin-top:64px;padding:52px 0 0}
.fgrid{display:grid;gap:32px}
@media(min-width:860px){.fgrid{grid-template-columns:1.4fr 1fr 1fr}}
footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
footer p,footer li{font-size:14px}
footer li{margin-bottom:8px}
footer a{color:#C9D8CD}
footer a:hover{color:#F0C97D}
.fbrand img{height:52px;margin-bottom:14px}
.fbrand p{max-width:300px}
.fcontact b{color:#F0C97D}
.fbot{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;
  padding:18px 0;font-size:13px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
.fbot .wrap{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;width:100%}

/* ---------- Floating Zalo ---------- */
.float-zalo{
  position:fixed;right:18px;bottom:18px;z-index:80;
  display:flex;align-items:center;gap:10px;
  background:#0068FF;color:#fff;font-weight:600;font-size:14.5px;
  padding:12px 18px;border-radius:999px;box-shadow:0 8px 24px rgba(0,104,255,.35);
}
.float-zalo:hover{background:#0057d6;color:#fff}
.float-zalo .dot{
  width:9px;height:9px;border-radius:50%;background:#7DDC5F;
  box-shadow:0 0 0 3px rgba(125,220,95,.3);
}
.float-call{
  position:fixed;right:18px;bottom:74px;z-index:80;
  width:46px;height:46px;border-radius:50%;
  background:var(--gold);color:#2A2E26;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(201,162,75,.4);font-size:18px;
}

/* misc */
.note{
  background:#FDF6E7;border:1px solid #F0E3C4;border-radius:10px;
  padding:12px 16px;font-size:13.5px;color:#7A5A1E;margin-top:14px;
}
.mt24{margin-top:24px}
.tac{text-align:center}

/* ---- 语言切换器 ---- */
.lang-sw{display:flex;gap:5px;align-items:center;margin-left:16px}
.lang-sw a{font-size:13px;font-weight:700;line-height:1;padding:7px 11px;border-radius:999px;
  border:1.5px solid var(--line);color:var(--muted);text-decoration:none;transition:.15s}
.lang-sw a:hover{border-color:var(--green);color:var(--green)}
.lang-sw a.on{background:var(--green);border-color:var(--green);color:#fff}
.lang-m{color:var(--gold);font-weight:600}

/* 成品实拍锚点跳转 */
a.pill{text-decoration:none;cursor:pointer}
a.pill:hover{border-color:var(--green);color:var(--green)}
html{scroll-behavior:smooth}