/* =========================================================
   PHUC LOC PHAT THEME
   Toàn bộ màu sắc lấy từ biến CSS (do includes/theme.php in ra
   từ bảng settings) -> admin đổi màu trong panel là đổi hết site.
   ========================================================= */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--font-body); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block; max-width:100%;}
a{color:inherit;}
h1,h2,h3{font-family:var(--font-head); font-weight:800; margin:0; letter-spacing:-0.02em;}
.wrap{max-width:1160px; margin:0 auto; padding:0 32px;}
section{padding:96px 0;}
.dark{background:var(--ink); color:var(--paper);}
:focus-visible{outline:2px solid var(--amber); outline-offset:3px;}

/* ---------- header ---------- */
header{position:sticky; top:0; z-index:40; background:var(--paper-2); border-bottom:2px solid var(--rust);}
.nav{display:flex; align-items:center; justify-content:space-between; padding:16px 0;}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--ink);}
.brand-mark{width:40px; height:40px; flex:none; object-fit:contain;}
.brand-name{font-family:var(--font-head); font-size:17px; font-weight:800; letter-spacing:-0.01em;}
.brand-sub{font-size:10.5px; color:rgba(74,52,35,0.62); letter-spacing:0.02em;}
nav.links{display:flex; align-items:center; gap:28px; flex-wrap:wrap;}
nav.links a{font-size:14px; text-decoration:none; color:rgba(74,52,35,0.78); padding-bottom:3px; border-bottom:1px solid transparent;}
nav.links a:hover, nav.links a.active{border-bottom-color:var(--rust); color:var(--ink);}
.lang-switch{display:flex; border:1px solid var(--ink); overflow:hidden;}
.lang-switch a{
  font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.03em;
  background:transparent; border:none; border-right:1px solid var(--ink); color:var(--ink);
  padding:7px 11px; cursor:pointer; text-decoration:none; display:inline-block;
}
.lang-switch a:last-child{border-right:none;}
.lang-switch a.active{background:var(--ink); color:var(--paper);}
.lang-switch a:hover:not(.active){background:rgba(74,52,35,0.12);}
.menu-toggle{display:none; background:none; border:none; cursor:pointer;}

/* ---------- hero ---------- */
.hero{padding:80px 0 0; overflow:hidden; position:relative;}
.hero-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:48px; align-items:end; padding-bottom:64px;}
.tag-row{display:flex; align-items:center; gap:10px; margin-bottom:26px; color:var(--amber-soft); font-size:13.5px;}
.tag-row .sq{width:7px; height:7px; background:var(--amber); flex:none;}
h1.hero-title{font-size:clamp(38px,5.2vw,64px); line-height:1.06; max-width:14ch; color:var(--paper); opacity:0; animation:riseIn 0.7s ease-out 0.1s forwards;}
@keyframes riseIn{from{opacity:0; transform:translateY(14px);} to{opacity:1; transform:translateY(0);}}
.hero-lede{margin:24px 0 0; max-width:46ch; color:#C9C3B6; font-size:16.5px;}
.hero-ctas{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
.btn{display:inline-flex; align-items:center; gap:8px; font-size:14.5px; font-weight:500; text-decoration:none; padding:14px 24px; cursor:pointer; border:none; font-family:var(--font-body);}
.btn-primary{background:var(--ember); color:var(--paper);}
.btn-primary:hover{background:var(--ember-soft);}
.btn-ghost{border:1px solid var(--paper); color:var(--paper); background:transparent;}
.btn-ghost:hover{background:var(--paper); color:var(--ink);}
.btn-outline-ink{border:1px solid var(--ink); color:var(--ink); background:transparent;}
.btn-outline-ink:hover{background:var(--ink); color:var(--paper);}
.hero-art{position:relative; align-self:stretch; display:flex; align-items:flex-end;}
.hero-banner img{width:100%; height:100%; object-fit:cover;}

.stat-strip{background:var(--ink-2); border-top:1px solid rgba(239,227,200,0.2);}
.stat-row{display:grid; grid-template-columns:repeat(3,1fr);}
.stat{padding:26px 32px; border-right:1px solid rgba(239,227,200,0.2);}
.stat:last-child{border-right:none;}
.stat b{display:block; font-family:var(--font-head); font-size:28px; font-weight:800; color:var(--amber-soft);}
.stat span{font-size:12.5px; color:#B8B2A6;}

/* ---------- section heads ---------- */
.sec-head{max-width:620px; margin-bottom:52px;}
.sec-tag{color:var(--rust); font-size:13px; margin-bottom:10px; display:flex; align-items:center; gap:10px;}
.sec-tag .num{
  width:22px; height:22px; border:1px solid var(--rust); flex:none;
  display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono',monospace; font-size:11px; font-weight:600; color:var(--rust);
}
.sec-head h2{font-size:clamp(26px,3vw,36px); line-height:1.18;}
.sec-head p{margin-top:14px; color:var(--text-soft,#5B4A38); max-width:52ch;}

/* ---------- about ---------- */
.about-grid{display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px;}
.about-body p{color:#5B4A38; margin:0 0 16px;}
.about-body p:last-child{margin-bottom:0;}
.fact-table{border:1px solid rgba(42,31,20,0.16);}
.fact-row{display:flex; justify-content:space-between; padding:16px 20px; border-bottom:1px solid rgba(42,31,20,0.16); font-size:14.5px;}
.fact-row:last-child{border-bottom:none;}
.fact-row span:first-child{color:#5B4A38;}
.fact-row span:last-child{font-family:'IBM Plex Mono',monospace; font-size:13px; text-align:right;}

/* ---------- products (grid trang chủ) ---------- */
.product-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(42,31,20,0.16); border:1px solid rgba(42,31,20,0.16);}
.product-card{background:var(--paper); padding:34px 28px; text-decoration:none; color:var(--ink); display:block;}
.product-card img.thumb{width:100%; height:170px; object-fit:cover; margin-bottom:16px; border:1px solid rgba(42,31,20,0.16);}
.p-code{font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:var(--rust);}
.product-card h3{font-size:20px; margin:14px 0 6px;}
.product-card p{color:#5B4A38; font-size:14.5px; margin:0 0 20px;}
.product-price{font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--ember); margin-bottom:10px; display:block;}
.spec-list{list-style:none; margin:0; padding:16px 0 0; border-top:1px solid rgba(42,31,20,0.16);}
.spec-list li{display:flex; justify-content:space-between; gap:10px; font-size:12.5px; padding:6px 0; color:#5B4A38;}
.spec-list li b{color:var(--ink); font-weight:600; text-align:right;}

/* ---------- product listing / detail page ---------- */
.breadcrumb{font-size:12.5px; color:#5B4A38; margin-bottom:28px; font-family:'IBM Plex Mono',monospace;}
.breadcrumb a{color:var(--rust); text-decoration:none;}
.category-pills{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:44px;}
.category-pills a{padding:9px 18px; border:1px solid var(--ink); font-size:13px; text-decoration:none; color:var(--ink);}
.category-pills a.active,.category-pills a:hover{background:var(--ink); color:var(--paper);}
.product-detail-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px;}
.product-gallery img{width:100%; border:1px solid rgba(42,31,20,0.16); margin-bottom:10px;}
.product-gallery .thumbs{display:flex; gap:8px;}
.product-gallery .thumbs img{width:70px; height:70px; object-fit:cover; cursor:pointer;}
.product-info h1{font-size:clamp(26px,3vw,34px); margin-bottom:14px;}
.product-info .price-tag{font-family:'IBM Plex Mono',monospace; font-size:20px; color:var(--ember); margin:14px 0;}
.spec-table{width:100%; border-collapse:collapse; margin-top:20px;}
.spec-table tr{border-bottom:1px solid rgba(42,31,20,0.16);}
.spec-table td{padding:11px 4px; font-size:14px;}
.spec-table td:first-child{color:#5B4A38; width:45%;}
.spec-table td:last-child{font-weight:600;}

/* ---------- process (flowchart) ---------- */
.flow-wrap{display:flex; align-items:stretch;}
.flow-node{
  flex:1; position:relative; background:var(--paper); border:1.5px solid var(--ink);
  padding:22px 14px 16px; text-align:center;
}
.flow-node .num{
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  width:23px; height:23px; border-radius:50%; background:var(--amber); color:var(--ink);
  font-family:'IBM Plex Mono',monospace; font-size:11px; font-weight:600;
  display:flex; align-items:center; justify-content:center; border:2px solid var(--paper);
}
.flow-node .ic{width:28px; height:28px; margin:4px auto 12px;}
.flow-node h4{font-size:13.5px; margin:0 0 5px; font-weight:600; line-height:1.25;}
.flow-node .cap{font-size:11px; color:#5B4A38; font-family:'IBM Plex Mono',monospace; line-height:1.4;}
.flow-arrow{flex:0 0 22px; display:flex; align-items:center; justify-content:center;}

/* ---------- why us ---------- */
.why-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:rgba(42,31,20,0.16); border:1px solid rgba(42,31,20,0.16);}
.why-card{background:var(--paper); padding:32px 34px;}
.why-card h3{font-size:17px; margin-bottom:10px; display:flex; align-items:center; gap:12px;}
.why-card h3 .num{font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--amber); border:1px solid var(--amber); padding:3px 7px;}
.why-card p{color:#5B4A38; font-size:14.5px; margin:0; max-width:46ch;}

/* ---------- blog / news ---------- */
.blog-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.blog-card{text-decoration:none; color:var(--ink); border:1px solid rgba(42,31,20,0.16); display:flex; flex-direction:column;}
.blog-card img{width:100%; height:170px; object-fit:cover;}
.blog-card .body{padding:20px;}
.blog-card .date{font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:var(--rust); margin-bottom:8px; display:block;}
.blog-card h3{font-size:17px; margin-bottom:8px; line-height:1.3;}
.blog-card p{font-size:13.5px; color:#5B4A38; margin:0;}
.blog-detail{max-width:760px; margin:0 auto;}
.blog-detail img.cover{width:100%; margin-bottom:32px; border:1px solid rgba(42,31,20,0.16);}
.blog-detail .content{font-size:16px; line-height:1.8; color:#3B2C1E;}
.blog-detail .content img{margin:24px 0;}

/* ---------- contact / quote (dark) ---------- */
.contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px;}
.contact-info dl{margin:28px 0 0;}
.contact-info dt{font-size:12px; color:var(--amber-soft); margin-top:20px;}
.contact-info dt:first-child{margin-top:0;}
.contact-info dd{margin:4px 0 0; font-size:15px; color:var(--paper);}
form{display:grid; gap:16px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
label{font-size:12.5px; color:#B8B2A6; display:block; margin-bottom:6px;}
input, textarea, select{
  width:100%; background:var(--ink-2); border:1px solid rgba(239,227,200,0.2);
  padding:13px 14px; font-family:var(--font-body); font-size:14.5px; color:var(--paper);
}
input:focus, textarea:focus, select:focus{border-color:var(--amber); outline:none;}
textarea{resize:vertical; min-height:100px;}
.send-btn{justify-self:start; background:var(--ember); color:var(--paper); border:none; padding:14px 28px; font-size:14.5px; font-weight:600; cursor:pointer;}
.send-btn:hover{background:var(--ember-soft);}
.form-note{font-size:12.5px; color:#9A9488; margin-top:2px;}
.success-msg{font-size:13.5px; color:var(--amber-soft); border:1px solid var(--amber-soft); padding:12px 14px; margin-top:4px;}
.error-msg{font-size:13.5px; color:#E48A6A; border:1px solid #E48A6A; padding:12px 14px; margin-top:4px;}

/* light-background form (trang báo giá độc lập) */
.light-form label{color:#5B4A38;}
.light-form input, .light-form textarea, .light-form select{background:#fff; border:1px solid rgba(42,31,20,0.25); color:var(--ink);}
.light-form .send-btn{background:var(--ember); color:#fff;}

/* pagination */
.pagination{display:flex; gap:8px; margin-top:44px; flex-wrap:wrap;}
.pagination a,.pagination span{border:1px solid rgba(42,31,20,0.2); padding:8px 14px; font-size:13px; text-decoration:none; color:var(--ink);}
.pagination a:hover,.pagination .current{background:var(--ink); color:var(--paper);}

footer{background:var(--ink); border-top:1px solid rgba(239,227,200,0.2); padding:28px 0; font-size:12.5px; color:#9A9488;}
.foot-row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;}
.foot-brand{display:flex; align-items:center; gap:12px;}
.foot-logo{width:26px; height:26px; object-fit:contain; opacity:0.9; flex:none;}

@media (max-width:860px){
  .hero-grid, .about-grid, .contact-grid, .product-detail-grid{grid-template-columns:1fr; gap:36px;}
  .hero-art{order:-1; max-height:220px;}
  .product-grid, .why-grid, .blog-grid{grid-template-columns:1fr;}
  .flow-wrap{flex-direction:column;}
  .flow-arrow svg{transform:rotate(90deg);}
  .stat-row{grid-template-columns:1fr;}
  .stat{border-right:none; border-bottom:1px solid rgba(239,227,200,0.2);}
  nav.links{
    position:absolute; top:100%; left:0; right:0; background:var(--paper-2);
    flex-direction:column; align-items:flex-start; padding:20px 32px 26px; gap:18px;
    border-bottom:2px solid var(--rust); display:none;
  }
  nav.links.open{display:flex;}
  .menu-toggle{display:block;}
  .form-row{grid-template-columns:1fr;}
  section{padding:64px 0;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
  h1.hero-title{opacity:1; animation:none;}
}

/* ---------- admin panel (dùng chung tone màu paper/ink) ---------- */
.admin-body{background:#F3EEE2; font-family:'Inter',sans-serif; color:#2A1F14; margin:0;}
.admin-wrap{display:flex; min-height:100vh;}
.admin-sidebar{width:230px; background:#2A1F14; color:#EFE3C8; flex:none; padding:24px 0;}
.admin-sidebar a{display:block; padding:12px 24px; color:#C9BFA9; text-decoration:none; font-size:14px;}
.admin-sidebar a:hover, .admin-sidebar a.active{background:#3B2C1E; color:#fff;}
.admin-sidebar .brand{padding:0 24px 24px; font-weight:800; font-size:16px; color:#fff;}
.admin-main{flex:1; padding:32px 40px; overflow-x:auto;}
.admin-topbar{display:flex; justify-content:space-between; align-items:center; margin-bottom:28px;}
.admin-card{background:#fff; border:1px solid #E4D2A8; padding:24px; margin-bottom:24px;}
.admin-table{width:100%; border-collapse:collapse;}
.admin-table th,.admin-table td{padding:10px 12px; border-bottom:1px solid #eee; font-size:14px; text-align:left;}
.admin-table th{background:#F3EEE2; font-weight:600;}
.admin-btn{display:inline-block; padding:8px 16px; background:#5A4534; color:#fff; text-decoration:none; font-size:13px; border:none; cursor:pointer;}
.admin-btn.danger{background:#B6531E;}
.admin-btn.secondary{background:#999;}
.admin-form label{color:#3B2C1E; font-weight:600; margin-top:14px;}
.admin-form input, .admin-form textarea, .admin-form select{background:#fff; color:#2A1F14; border:1px solid #ccc;}
.admin-flash{padding:12px 16px; margin-bottom:20px; font-size:14px;}
.admin-flash.success{background:#e6f4ea; color:#1e7e34; border:1px solid #b6e0c2;}
.admin-flash.error{background:#fdecea; color:#a12622; border:1px solid #f3b8b4;}
.login-box{max-width:360px; margin:80px auto; background:#fff; padding:36px; border:1px solid #E4D2A8;}