/* =====================================================
   thuehack.net - Static CSS (Fix v2)
   - Higher z-index + overflow visible for header
   - Desktop submenu: remove hover gap (top:100%), add ::before buffer
   - Ensure clickable on mobile (pointer-events:auto)
===================================================== */
:root{
  --bg:#0B0F14;
  --surface:#121826;
  --surface-2:#1E293B;
  --text:#E5E7EB;
  --muted:#94A3B8;
  --primary:#A3FF12;
  --primary-600:#7CE30A;
  --warning:#F59E0B;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

/* Reset & base */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{color-scheme:dark;background:var(--bg)}
body{min-height:100vh;background:var(--bg);color:var(--text);font:15px/1.6 ui-sans-serif,system-ui,Segoe UI,Roboto,Arial;}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Layout helpers */
.container{max-width:1200px;margin-inline:auto;padding-inline:16px}
.flex-1{flex:1}

/* Header */
.site-header{position:sticky;top:0;z-index:2000; /* higher */
  border-bottom:1px solid rgba(255,255,255,.07);
  backdrop-filter:saturate(1.2) blur(8px);
  background:color-mix(in lab, var(--bg), transparent 30%);
  overflow:visible; /* ensure submenu visible */
}
.header-row{display:flex;align-items:center;gap:12px;height:64px;overflow:visible}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--primary);color:#0A0A0A;font-weight:800}
.brand-text small{display:block;font-size:11px;color:var(--muted);line-height:1.2}

.header-search{flex:1;display:none}
.header-search--desktop{display:none}
.search-wrap{position:relative}
.search-wrap input{width:100%;background:var(--surface);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:10px 40px 10px 12px;outline:none;color:var(--text)}
.search-wrap input:focus{border-color:var(--primary)}
.search-wrap .search-ico{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:#9AA4B2}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.08);background:var(--surface);transition:.2s}
.btn:hover{background:var(--surface-2)}
.btn-primary{background:var(--primary);color:#0A0A0A;border-color:transparent;box-shadow:0 0 0 8px rgba(163,255,18,.12)}
.btn-primary:hover{background:var(--primary-600)}
.btn-outline{background:var(--surface);color:var(--text)}
.btn-ghost{background:var(--surface);border:1px solid rgba(255,255,255,.08);opacity:.9}
.btn-sm{padding:6px 10px;border-radius:10px}

.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--surface);border:1px solid rgba(255,255,255,.08)}
.btn-icon svg{width:24px;height:24px}

/* Mobile panel */
.mobile-panel{display:none;border-top:1px solid rgba(255,255,255,.07);padding:12px 0}
.mobile-panel input{width:100%;background:var(--surface);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:10px 12px;outline:none;color:var(--text)}
.mobile-links{display:flex;gap:8px;margin-top:10px}

/* Sub-nav: tabs */
.subnav{border-top:1px solid rgba(255,255,255,.07)}
.tabs{display:flex;gap:8px;padding:10px 0}
.tab{padding:8px 12px;border-radius:12px;background:var(--surface);border:1px solid rgba(255,255,255,.08);white-space:nowrap}
.tab.active{background:var(--surface-2);outline:2px solid var(--primary)}

/* Hero */
.hero{position:relative}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.4}
.hero-overlay{position:absolute;inset:0;z-index:-1;background:linear-gradient(to bottom, color-mix(in lab, var(--bg), transparent 40%), color-mix(in lab, var(--bg), transparent 60%), var(--bg))}
.hero-inner{padding:56px 0 72px}
.hero-copy h1{font-size:40px;margin:0 0 10px}
.hero-copy p{max-width:720px;color:#D1D5DB;margin:0 0 16px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Alert */
.alert{margin:18px 0;border-radius:16px;background:var(--surface);border:1px solid rgba(255,255,255,.08);padding:12px;display:flex;gap:12px;align-items:flex-start}
.alert svg{width:20px;height:20px;color:var(--warning)}
.alert .alert-text{flex:1;color:#D1D5DB}

/* Catalog */
.catalog{padding-bottom:64px}
.catalog-head{display:flex;align-items:flex-end;justify-content:space-between;margin:16px 0}
.catalog-head h2{margin:0;font-size:20px}
.catalog-head .muted{color:var(--muted);font-size:13px}

.cards{display:grid;grid-template-columns:1fr;gap:16px}
.card{display:block;border-radius:16px;background:var(--surface);border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);transition:transform .15s, outline-color .15s}
.card:hover{transform:translateY(-4px);outline:1px solid color-mix(in lab, var(--primary), transparent 60%)}
.card-media{position:relative}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-top-left-radius:16px;border-top-right-radius:16px}
.badges{position:absolute;top:8px;left:8px;display:flex;gap:6px}
.badge{background:rgba(0,0,0,.6);backdrop-filter:blur(6px);padding:4px 8px;border-radius:8px;font-size:12px}
.badge-primary{background:var(--primary);color:#0A0A0A;font-weight:600}
.badge-soft{background:var(--surface-2);border:1px solid rgba(255,255,255,.08)}

.card-body{padding:14px}
.card-body h3{margin:0 0 6px;font-size:16px}
.card-body p{margin:0;color:#9FB0C0;font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:10px;display:flex;align-items:center;justify-content:space-between}
.price{color:var(--warning);font-weight:700}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,.07);background:rgba(0,0,0,.2)}
.footer-grid{display:grid;gap:16px;padding:32px 0}
.foot-logo{font-weight:800;font-size:18px}
.foot-title{font-weight:600;margin-bottom:8px}
.site-footer p, .site-footer li{color:#C9D3DC;font-size:14px}
.site-footer a:hover{color:var(--primary)}
.copyright{text-align:center;color:#7B8794;font-size:12px;padding-bottom:24px}

/* ===== NAV & DROPDOWN ===== */
.main-nav{display:none}
.user-nav{display:none}
.menu{display:flex;gap:10px;align-items:center}
.menu-item{position:relative}
.menu-link{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;border-radius:10px;background:var(--surface);border:1px solid rgba(255,255,255,.08)}
.menu-link:hover{background:var(--surface-2)}
.menu-link2{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;border-radius:10px}
.menu-link2:hover{background:var(--surface-2)}
.has-sub>.menu-link{padding-right:28px}
.has-sub>.menu-link::after{content:"▾";opacity:.7;font-size:12px;margin-left:4px}

/* Submenu desktop (hover) — FIX: no gap, buffer, high z-index */
.submenu{
  position:absolute;top:100%;left:0;min-width:220px;
  background:var(--surface);border:1px solid rgba(255,255,255,.08);
  border-radius:12px;padding:8px;box-shadow:var(--shadow);
  opacity:0;transform:translateY(8px); /* visual offset without creating gap */
  pointer-events:none;transition:opacity .15s, transform .15s;
  z-index:3000;
}
.submenu::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px} /* hover buffer */
.submenu-right{right:0;left:auto}
.submenu li a{display:block;padding:8px 10px;border-radius:8px}
.submenu li a:hover{background:var(--surface-2)}
.menu-item:hover>.submenu{
  opacity:1;transform:translateY(0);
  pointer-events:auto;
}

/* Mobile panel menu (accordion) */
.mobile-menu{margin-top:12px}
.mobile-menu>li{border:1px solid rgba(255,255,255,.08);border-radius:12px;background:var(--surface);margin-bottom:8px;overflow:hidden}
.mobile-menu a, .mobile-menu .menu-toggle{display:block;width:100%;text-align:left;padding:12px}
.mobile-menu .has-sub>.menu-toggle{position:relative}
.mobile-menu .has-sub>.menu-toggle::after{content:"▸";position:absolute;right:12px;opacity:.7}
.mobile-menu .has-sub.open>.menu-toggle::after{content:"▾"}
.mobile-menu .submenu{
  position:static;display:none;opacity:1;transform:none;pointer-events:auto;
  padding:6px;background:var(--surface-2);z-index:1;
}
.mobile-menu .submenu li a{padding:10px;border-radius:8px}
.mobile-menu .has-sub.open>.submenu{display:block}

/* Sub-nav tabs (unchanged) */

/* Responsive */
@media (min-width:640px){
  .header-search--desktop{display:block}
  .footer-grid{grid-template-columns:repeat(3, 1fr)}
  .cards{grid-template-columns:repeat(2, 1fr);gap:20px}
  .hero-copy h1{font-size:48px}
}
@media (min-width:768px){
  .main-nav{display:block;margin-left:12px}
  .user-nav{display:block;margin-left:auto}
  .btn-icon{display:none}
  .mobile-panel{display:none !important}
}
@media (min-width:1024px){
  .cards{grid-template-columns:repeat(3, 1fr)}
}
@media (min-width:1280px){
  .cards{grid-template-columns:repeat(4, 1fr)}
}
/* ===== Compact pack select + rent button (giảm nhẹ kích thước) ===== */
.card-foot { gap: 10px; } /* tạo khoảng đều, giữ bố cục cũ */

.card-foot select.btn{
  /* trước đây select đang mượn style .btn => thu nhỏ nhẹ thôi */
  padding: 8px 10px;       /* giảm từ 10/14 xuống 8/10 */
  font-size: 14px;         /* giảm ~1px */
  border-radius: 10px;     /* bo nhẹ hơn */
  line-height: 1.2;        /* gọn chiều cao */
}

.card-foot .btn-primary.btn-sm.btn-buy-hack{
  padding: 6px 10px;       /* đã là .btn-sm, tinh chỉnh lại 1 chút */
  font-size: 14px;
  border-radius: 10px;
  min-width: 120px;        /* vẫn dễ bấm, không quá to */
}

/* Link "Tải tool & hướng dẫn" giữ style cũ, chỉ tinh chỉnh nhẹ cho gọn */
.card-body .btn.btn-outline.btn-sm{
  padding: 6px 10px;
  font-size: 13.5px;
  border-radius: 10px;
}

/* ===== Badge bảo trì ===== */
.badge-maint{
  background: #EF4444; /* đỏ */
  color: #fff;
  font-weight: 700;
  border: 0;
}
  /* HERO base */
  .hero{position:relative;min-height:260px;display:flex;align-items:center;overflow:hidden;}
  .hero .hero-bg{position:absolute;inset:0;z-index:0;}
  .hero .hero-bg img{width:100%;height:100%;object-fit:cover;display:block;}
  .hero .hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.55));z-index:1;pointer-events:none;}
  .hero .hero-inner{position:relative;z-index:2;padding:48px 0;}
  .hero .hero-copy h1{margin:0 0 8px;font-size:clamp(28px,4vw,44px);line-height:1.15;}
  .hero .hero-copy p{margin:6px 0 14px;color:#c9d1d9;max-width:70ch}
  .hero-actions .btn{margin-right:8px}

  /* Container chuẩn nếu trang này chưa có */
  .container{width:min(1200px,92%);margin-inline:auto}

  /* Tránh overlay header che hero / ngăn click */
  .site-header{position:sticky;top:0;z-index:3000}
  .third-header-bg .bg,.header-bottom-bg{pointer-events:none}