:root{
  /* Bảng màu lấy từ ảnh đại diện thật của fanpage: búa thẩm phán gỗ nâu ấm +
     cán cân công lý, nền nâu gần đen — thay cho xanh navy trước đây */
  --navy-900:#1c120f;
  --navy-800:#2a1a14;
  --navy-700:#4a2c1c;
  --navy-600:#6b3f26;
  --gold-500:#c5793f;
  --gold-400:#d99257;
  --ink:#241a14;
  --muted:#6b5d52;
  --paper:#ffffff;
  --paper-soft:#f7f1e8;
  --border:#e8ddc8;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(28,18,15,.22);
  --green-600:#1c8a4b;
  --red-600:#c0392b;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{overflow-x:hidden;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;}
.container{max-width:1120px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--gold-500);text-transform:uppercase;
  margin-bottom:14px;
}
h1,h2,h3{font-weight:800;line-height:1.22;margin:0 0 16px;color:var(--navy-900);}
h1{font-size:clamp(30px,4.4vw,48px);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:19px;margin-bottom:8px;}
p{margin:0 0 14px;color:var(--muted);}
.section{padding:88px 0;}
.section-head{max-width:640px;margin:0 auto 48px;text-align:center;}
.section-head p{margin:0;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  font-weight:700;font-size:15px;text-decoration:none;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--gold-500);color:var(--navy-900);box-shadow:0 8px 20px -8px rgba(197,121,63,.6);}
.btn-primary:hover{background:var(--gold-400);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.1);}
.btn-outline-dark{background:transparent;border-color:var(--navy-700);color:var(--navy-800);}
.btn-outline-dark:hover{background:var(--navy-800);color:#fff;}
.btn-danger{background:transparent;border-color:var(--red-600);color:var(--red-600);}
.btn-danger:hover{background:var(--red-600);color:#fff;}
.btn-sm{padding:8px 16px;font-size:13.5px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- HEADER ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(28,18,15,.92);backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:13px 0;gap:24px;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;flex-shrink:0;}
.brand .mark{
  width:38px;height:38px;border-radius:10px;background:var(--gold-500);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 4px 12px -4px rgba(0,0,0,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-line1{font-weight:800;font-size:16.5px;color:#fff;}
.brand-line2{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-400);}

.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;color:#e4d9cb;text-decoration:none;font-size:14px;font-weight:600;
  letter-spacing:.01em;padding:4px 0;transition:color .15s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold-500);
  transition:width .2s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-actions .btn{padding:10px 20px;font-size:13.5px;}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:4px 8px;line-height:1;}

@media (max-width:860px){
  .nav-links{
    position:fixed;top:66px;left:0;right:0;
    background:var(--navy-900);
    flex-direction:column;align-items:flex-start;
    padding:20px 24px 28px;gap:18px;
    border-bottom:1px solid rgba(255,255,255,.08);
    transform:translateY(-130%);opacity:0;pointer-events:none;
    transition:transform .2s ease, opacity .2s ease;
  }
  .nav-links a::after{display:none;}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .menu-toggle{display:block;}
  .nav-actions .btn span.long{display:none;}
  .nav-actions .btn{padding:10px 14px;}
}

/* ---------- HERO ---------- */
.hero{
  background:radial-gradient(1200px 500px at 85% -10%, rgba(197,121,63,.25), transparent 60%),
             linear-gradient(160deg, var(--navy-900), var(--navy-800) 55%, var(--navy-700));
  color:#fff;position:relative;overflow:hidden;
}
.hero-inner{
  padding:96px 0 84px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.hero h1{color:#fff;}
.hero p.lead{color:#ddd0c2;font-size:18px;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-line{margin-top:32px;display:flex;align-items:center;gap:10px;color:#c2b3a0;font-size:14px;}
.trust-line b{color:#fff;}
.hero-art{position:relative;display:flex;justify-content:center;}
.scales{width:100%;max-width:340px;opacity:.95;}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;padding-top:56px;}
  .hero-art{order:-1;max-width:220px;margin:0 auto;}
}

/* ---------- SUB-PAGE HERO (trang nhỏ, không phải trang chủ) ---------- */
.page-hero{
  background:linear-gradient(160deg, var(--navy-900), var(--navy-800));
  color:#fff;padding:56px 0 48px;
}
.page-hero h1{color:#fff;font-size:clamp(24px,3.6vw,36px);margin-bottom:8px;}
.page-hero p{color:#ddd0c2;margin:0;}
.breadcrumb{font-size:13.5px;color:#c2b3a0;margin-bottom:12px;}
.breadcrumb a{color:#efe6da;text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}

/* ---------- ABOUT ---------- */
.about{background:var(--paper-soft);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about-card{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.about-card ul{margin:0;padding-left:20px;color:var(--muted);}
.about-card li{margin-bottom:8px;}
.stat-row{display:flex;gap:28px;margin-top:24px;flex-wrap:wrap;}
.stat b{display:block;font-size:26px;color:var(--navy-900);font-weight:800;}
.stat span{font-size:13px;color:var(--muted);}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;}}

/* ---------- GRID / CARD chung ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;transition:transform .15s ease, box-shadow .15s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.card .icon{
  width:44px;height:44px;border-radius:10px;background:var(--navy-900);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card p{margin:0;font-size:14.5px;}
@media (max-width:860px){.grid-3{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.grid-3{grid-template-columns:1fr;}}

/* ---------- SẢN PHẨM ---------- */
.size-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:32px;}
.size-tab{
  padding:10px 20px;border-radius:999px;border:1px solid var(--border);
  font-size:14px;font-weight:600;color:var(--navy-800);text-decoration:none;background:var(--paper);
}
.size-tab.active{background:var(--navy-900);color:#fff;border-color:var(--navy-900);}
.product-group{margin-bottom:36px;}
.product-group h3{color:var(--navy-900);font-size:17px;margin-bottom:14px;}
.product-card{
  background:var(--paper);border:1px solid var(--border);border-radius:12px;
  padding:18px;display:flex;flex-direction:column;height:100%;
}
.product-card h3{font-size:15px;margin-bottom:6px;}
.product-card p{font-size:13.5px;margin-bottom:0;line-height:1.5;}
.product-card .price{font-weight:800;color:var(--navy-900);font-size:16px;margin:8px 0 10px;}
.product-card .price .old{font-weight:500;color:var(--muted);font-size:12px;}
.product-card .spacer{flex:1;min-height:8px;}
.empty-note{
  text-align:center;color:var(--muted);font-size:14.5px;padding:32px;
  border:1px dashed var(--border);border-radius:var(--radius);background:var(--paper-soft);
}

/* ---------- CTA BANNER ---------- */
.cta-banner{
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700));
  color:#fff;border-radius:20px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-banner h3{color:#fff;margin-bottom:6px;font-size:22px;}
.cta-banner p{color:#ddd0c2;margin:0;}
.cta-banner .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq{background:var(--paper-soft);}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
details{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:6px 22px;}
details summary{
  cursor:pointer;list-style:none;padding:16px 0;font-weight:700;font-size:16px;
  color:var(--navy-900);display:flex;justify-content:space-between;align-items:center;gap:16px;
}
details summary::-webkit-details-marker{display:none;}
details summary::after{content:"+";font-size:22px;color:var(--gold-500);flex-shrink:0;transition:transform .15s ease;}
details[open] summary::after{transform:rotate(45deg);}
.faq-answer{padding:0 0 20px;color:var(--muted);font-size:15px;}
.faq-answer .cite{display:block;margin-top:10px;font-size:13px;color:var(--gold-500);font-weight:600;}

/* ---------- LIÊN HỆ ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:stretch;}
.contact-info{background:var(--navy-900);color:#fff;border-radius:var(--radius);padding:34px;}
.contact-info h3{color:#fff;}
.contact-row{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start;}
.contact-row .ic{
  width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.contact-row a{color:#fff;text-decoration:none;font-weight:600;}
.contact-row span.label{display:block;font-size:12.5px;color:#b3a190;margin-bottom:3px;}
.contact-socials{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap;}
.contact-socials a{
  padding:10px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.25);
  font-size:13.5px;text-decoration:none;color:#fff;font-weight:600;
}
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);min-height:320px;}
.map-wrap iframe{width:100%;height:100%;min-height:320px;border:0;display:block;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}

.disclaimer{
  background:#fbf7ec;border:1px solid #edd9ab;border-radius:12px;
  padding:20px 24px;font-size:13.5px;color:#6b5a30;max-width:820px;margin:40px auto 0;
}
.disclaimer b{color:#4a3c1c;}

footer{background:var(--navy-900);color:#b3a190;padding:40px 0 28px;font-size:13.5px;}
.footer-grid{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
footer a{color:#ddd0c2;text-decoration:none;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;}
.footer-note{margin-top:18px;color:#6f7e97;line-height:1.7;}

.fab{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px;}
.fab a{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -8px rgba(0,0,0,.35);text-decoration:none;color:#fff;
}
.fab .tel{background:var(--navy-800);}
.fab .zalo{background:#0068ff;}

/* ---------- TRANG CHI TIẾT SẢN PHẨM ---------- */
.detail-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start;}
@media (max-width:860px){.detail-grid{grid-template-columns:1fr;}}

/* ---------- FORM (mua hàng, tra cứu, admin) ---------- */
.form-card{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);max-width:560px;margin:0 auto;
}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:13.5px;font-weight:700;color:var(--navy-900);margin-bottom:6px;}
.form-group .hint{font-size:12.5px;color:var(--muted);margin-top:4px;}
input[type=text],input[type=tel],input[type=email],input[type=number],input[type=password],
textarea,select{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:14.5px;color:var(--ink);background:#fff;
}
textarea{resize:vertical;min-height:90px;}
input:focus,textarea:focus,select:focus{outline:2px solid var(--gold-400);outline-offset:1px;}
.form-actions{margin-top:24px;}

.alert{border-radius:10px;padding:14px 18px;font-size:14px;margin-bottom:18px;}
.alert-error{background:#fdecea;color:var(--red-600);border:1px solid #f5c6c0;}
.alert-success{background:#e9f7ef;color:var(--green-600);border:1px solid #b7e4c7;}

.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700;}
.badge-pending{background:#fdf3e0;color:#a06a13;}
.badge-paid{background:#e9f7ef;color:var(--green-600);}
.badge-cancelled{background:#f1f1f1;color:#777;}

/* ---------- ADMIN ---------- */
.admin-body{background:var(--paper-soft);min-height:100vh;}
.admin-topbar{
  background:var(--navy-900);color:#fff;padding:14px 0;
}
.admin-topbar .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;}
.admin-topbar a{color:#efe6da;text-decoration:none;font-size:13.5px;white-space:nowrap;}
.admin-topbar .brand{font-weight:800;color:#fff;font-size:14.5px;}
.admin-topbar .container > div{display:flex;align-items:center;gap:14px;flex-wrap:wrap;row-gap:6px;}
.admin-nav{display:flex;gap:20px;margin:24px 0;flex-wrap:wrap;}
.admin-nav a{
  padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);
  text-decoration:none;color:var(--navy-800);font-size:13.5px;font-weight:600;
}
.admin-nav a.active{background:var(--navy-900);color:#fff;border-color:var(--navy-900);}
.admin-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;}
table{width:100%;border-collapse:collapse;font-size:14px;}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top;}
th{font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);}
tr:hover td{background:var(--paper-soft);}
.table-actions{display:flex;gap:8px;flex-wrap:wrap;}
.table-wrap{overflow-x:auto;}

@media (max-width:480px){
  .btn{font-size:13.5px;padding:12px 16px;white-space:normal;text-align:center;}
  .hero-cta,.cta-banner .actions{width:100%;}
  .hero-cta .btn,.cta-banner .actions .btn{flex:1 1 auto;justify-content:center;}
}