/* ==========================================================================
   NHỰA PHÚ HƯNG — Design system v7
   Tone xanh teal làm accent, body cream-white, headings dark grey
   ========================================================================== */
:root{
  /* Brand */
  --primary:#1a7a8a;
  --primary-dark:#0d5c6b;
  --primary-light:#e8f3f5;
  --accent:#e8341c;
  /* Text */
  --heading:#1a2630;
  --text:#42525e;
  --text-light:#6b7785;
  --text-muted:#94a0aa;
  /* Surface */
  --bg:#fafbfc;
  --bg-alt:#f4f6f8;
  --bg-card:#ffffff;
  --border:#e5eaee;
  --border-light:#f0f3f5;
  /* System */
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(20,30,40,.04);
  --shadow:0 2px 8px rgba(20,30,40,.06), 0 1px 3px rgba(20,30,40,.04);
  --shadow-lg:0 8px 24px rgba(20,30,40,.08);
  --container:1240px;
  --header-h:84px;
  --gap-section:5rem;
  /* Status colors */
  --green:#22c55e;
  --orange:#f59e0b;
  --red:#ef4444;
  --blue:#3b82f6;
}

*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:15px;line-height:1.65;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--heading);font-weight:700;line-height:1.25;letter-spacing:-.5px}
h1{font-size:2.4rem;font-weight:800;letter-spacing:-1px}
h2{font-size:1.8rem;font-weight:800;letter-spacing:-.7px}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 1.5rem}

/* ===== HEADER (smart sticky + auto-hide) ===== */
.header-wrapper{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:#fff;
  transition:transform .35s ease, box-shadow .25s ease;
  box-shadow:0 1px 0 var(--border);
}
.header-wrapper.scrolled{box-shadow:var(--shadow)}
.header-wrapper.hide{transform:translateY(-100%)}
body{padding-top:var(--header-h)}  /* offset cho fixed header */

.topbar{
  background:var(--primary-dark);color:rgba(255,255,255,.85);
  font-size:.82rem;padding:.45rem 0;
  transition:opacity .25s, max-height .3s, padding .3s;
  overflow:hidden;max-height:42px;
}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem}
.topbar a{color:#fff}
.topbar a:hover{text-decoration:underline}
.header-wrapper.scrolled .topbar{opacity:.7;max-height:32px;padding:.2rem 0}

.header{position:relative;background:#fff}
.header-main{
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding:.7rem 1.5rem;max-width:var(--container);margin:0 auto;
  transition:padding .25s;
}
.header-wrapper.scrolled .header-main{padding-top:.4rem;padding-bottom:.4rem}

/* Logo */
.logo{display:flex;align-items:center;gap:.85rem;flex-shrink:0}
.logo img{
  height:80px;width:auto;object-fit:contain;transition:height .25s;
}
.header-wrapper.scrolled .logo img{height:60px}
.logo-text strong{
  display:block;font-size:1.2rem;color:var(--primary);font-weight:900;
  letter-spacing:.3px;line-height:1.1;
}
.logo-text span{font-size:.78rem;color:var(--text-light);letter-spacing:.2px}
@media(max-width:768px){
  .logo img{height:62px}
  .header-wrapper.scrolled .logo img{height:50px}
  .logo-text strong{font-size:1rem}
  .logo-text span{display:none}
}

/* Nav */
.nav{display:flex;gap:.2rem;align-items:center;flex-wrap:wrap}
.nav>a,.nav-dropdown>a{
  padding:.6rem 1rem;font-weight:600;font-size:.9rem;color:var(--heading);
  border-radius:8px;transition:all .15s;white-space:nowrap;display:block;
}
.nav>a:hover,.nav-dropdown>a:hover,.nav>a.active{background:var(--primary-light);color:var(--primary)}
.nav-dropdown{position:relative}
/* Tạo "cầu nối" vô hình giữa nút và dropdown để chuột không thoát ra ngoài */
.nav-dropdown::after{
  content:'';position:absolute;top:100%;left:0;right:0;height:12px;
  display:none;
}
.nav-dropdown:hover::after,.nav-dropdown:focus-within::after{display:block}
.dropdown-menu{
  display:none;position:absolute;top:calc(100% + 8px);left:0;background:#fff;
  box-shadow:var(--shadow-lg);border-radius:var(--radius);min-width:240px;
  z-index:200;padding:.5rem 0;border-top:3px solid var(--primary);
}
.dropdown-menu::before{
  /* Vùng đệm trên đầu dropdown để khi chuột rời nút sang menu không bị mất */
  content:'';position:absolute;top:-12px;left:0;right:0;height:12px;
}
.dropdown-menu a{
  display:block;padding:.6rem 1.25rem;font-size:.88rem;color:var(--heading);
  font-weight:500;border-left:3px solid transparent;transition:all .15s;
}
.dropdown-menu a:hover{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary)}
.nav-dropdown:hover .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu{display:block}

/* ===== CART ICON (new!) ===== */
.cart-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  transition:all .2s;flex-shrink:0;
}
.cart-btn:hover{background:var(--primary);color:#fff;transform:scale(1.05)}
.cart-btn svg{width:24px;height:24px}
.cart-badge{
  position:absolute;top:-4px;right:-4px;
  min-width:20px;height:20px;padding:0 5px;
  background:var(--accent);color:#fff;
  border-radius:10px;border:2px solid #fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:700;
  box-shadow:0 2px 6px rgba(232,52,28,.4);
}
.cart-btn.bumping{animation:cartBump .4s ease}
@keyframes cartBump{
  0%,100%{transform:scale(1)}
  30%{transform:scale(1.18)}
  60%{transform:scale(.95)}
}

/* Lang switcher */
.lang-switch{
  display:inline-flex;border:1px solid rgba(255,255,255,.25);border-radius:6px;
  overflow:hidden;font-size:.75rem;font-weight:600;margin-left:.8rem;
}
.lang-switch a{padding:.15rem .55rem;color:rgba(255,255,255,.7);transition:all .15s}
.lang-switch a.active{background:#fff;color:var(--primary-dark)}
.lang-switch a:hover{color:#fff}

/* Hamburger */
.hamburger{
  display:none;background:none;border:none;font-size:1.6rem;color:var(--heading);
  cursor:pointer;padding:.3rem .6rem;
}
.mobile-nav{
  position:fixed;top:0;right:-100%;width:280px;max-width:85vw;
  height:100vh;background:#fff;
  box-shadow:-4px 0 24px rgba(0,0,0,.15);
  padding:1rem 0;overflow-y:auto;z-index:1200;
  transition:right .3s ease;display:block;
}
.mobile-nav.open{right:0}
.mobile-nav a{display:block;padding:.85rem 1.5rem;color:var(--heading);font-weight:500;font-size:.95rem;border-bottom:1px solid var(--border-light);text-decoration:none}
.mobile-nav a:last-child{border-bottom:none}
.mobile-nav a:active{background:var(--primary-light)}
/* Backdrop được tạo bằng JS element riêng (#mobileNavBackdrop) — KHÔNG dùng pseudo
   để tránh bị mắc kẹt trong stacking context của header-wrapper */

/* ===== HERO ===== */
.hero{
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);
  color:#fff;padding:5rem 0 0;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.08),transparent 60%),
             radial-gradient(circle at 20% 80%,rgba(255,255,255,.06),transparent 60%);
  pointer-events:none;
}
.hero-content{text-align:center;max-width:840px;margin:0 auto;padding:0 1.5rem 4rem;position:relative}
.hero-badge{
  display:inline-block;background:rgba(255,255,255,.1);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);padding:.4rem 1rem;border-radius:30px;
  font-size:.78rem;font-weight:600;letter-spacing:.5px;margin-bottom:1.5rem;
  text-transform:uppercase;
}
.hero h1{color:#fff;font-size:3rem;margin-bottom:.5rem;font-weight:800;letter-spacing:-1.5px}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}

/* Hero slider */
.hero-slider{position:relative;min-height:2.6em;margin:.8rem 0 1.4rem;overflow:hidden}
.hero-slide{
  position:absolute;top:0;left:0;right:0;
  font-size:1.1rem;color:rgba(255,255,255,.92);
  opacity:0;transform:translateY(20px);
  transition:opacity .6s ease,transform .6s ease;
  pointer-events:none;font-weight:500;letter-spacing:.2px;
}
.hero-slide.active{opacity:1;transform:translateY(0);pointer-events:auto}
.hero-slide.exit{opacity:0;transform:translateY(-20px)}

/* Hero stats */
.hero-stats{
  background:rgba(0,0,0,.18);backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.1);
}
.hero-stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:2rem 1.5rem;gap:1rem;
}
.hero-stat-item{text-align:center;position:relative;padding:.3rem 1rem}
.hero-stat-item:not(:last-child)::after{
  content:'';position:absolute;right:-1px;top:20%;bottom:20%;width:1px;background:rgba(255,255,255,.15);
}
.hero-stat-item strong{
  display:block;font-size:2.8rem;font-weight:800;color:#fff;line-height:1;
  font-feature-settings:"tnum";letter-spacing:-1.5px;
  background:linear-gradient(135deg,#fff 30%,rgba(255,255,255,.7) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-stat-item span{
  display:block;margin-top:.4rem;font-size:.78rem;color:rgba(255,255,255,.7);
  font-weight:500;text-transform:uppercase;letter-spacing:1.2px;
}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  padding:.7rem 1.4rem;border-radius:10px;font-weight:600;font-size:.9rem;
  cursor:pointer;border:1.5px solid transparent;transition:all .2s;text-align:center;
  text-decoration:none;line-height:1.2;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(26,122,138,.25)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(26,122,138,.35)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--border)}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.btn-white{background:#fff;color:var(--primary);font-weight:700}
.btn-white:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-white:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn-danger{background:var(--red);color:#fff;border-color:var(--red)}
.btn-danger:hover{background:#dc2626}
.btn-lg{padding:.95rem 2rem;font-size:1rem;border-radius:12px}
.btn-sm{padding:.4rem .9rem;font-size:.8rem;border-radius:7px}
.required{color:var(--red);font-weight:bold}

/* ===== SECTIONS ===== */
.section{padding:var(--gap-section) 0;background:var(--bg)}
.section-gray{background:var(--bg-alt)}
.section-header{text-align:center;margin-bottom:3rem;max-width:680px;margin-left:auto;margin-right:auto}
.section-header h2{font-size:2rem;margin-bottom:.8rem;color:var(--heading)}
.section-header h2::after{
  content:'';display:block;width:54px;height:3px;background:var(--primary);
  margin:1rem auto 0;border-radius:2px;
}
.section-header p{color:var(--text-light);font-size:1rem}

/* ===== CATEGORY CARDS ===== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem}
.cat-card{
  background:var(--bg-card);padding:1.8rem 1.4rem;border-radius:var(--radius);
  border:1px solid var(--border);text-align:center;transition:all .25s;
  display:flex;flex-direction:column;align-items:center;text-decoration:none;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.cat-icon{
  font-family:'Playfair Display','Georgia',serif;font-weight:900;
  font-size:1.65rem;letter-spacing:-1.5px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  width:70px;height:70px;border-radius:18px;flex-shrink:0;
  margin-bottom:1rem;
}
.cat-card h3{color:var(--heading);margin-bottom:.4rem;font-size:1.05rem}
.cat-card p{font-size:.85rem;color:var(--text-light);margin-bottom:1rem;flex:1;line-height:1.5}
.cat-link{color:var(--primary);font-size:.82rem;font-weight:600}

/* ===== PRODUCT CARDS ===== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.product-card{
  background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);
  overflow:hidden;transition:all .25s;display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.product-img-wrap{
  display:block;aspect-ratio:1.2;background:#fff;
  overflow:hidden;position:relative;padding:.6rem;
}
.product-img-wrap img{width:100%;height:100%;object-fit:contain;transition:transform .35s}
.product-card:hover .product-img-wrap img{transform:scale(1.06)}
.product-img-placeholder{
  display:flex;align-items:center;justify-content:center;height:100%;font-size:3rem;
  color:var(--text-muted);font-family:'Playfair Display',serif;font-weight:900;
}
.product-info{padding:1.1rem 1.1rem 1.2rem;display:flex;flex-direction:column;flex:1}
.product-cat{font-size:.7rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:1px;margin-bottom:.5rem}
.product-info h3{font-size:.95rem;margin-bottom:.7rem;line-height:1.4;flex:1}
.product-info h3 a{color:var(--heading)}
.product-info h3 a:hover{color:var(--primary)}
.product-price{font-weight:700;color:var(--accent);font-size:1.05rem;margin-bottom:.8rem}
.product-price-contact{font-weight:600;color:var(--text-light);font-size:.85rem;font-style:italic;margin-bottom:.8rem}
.product-actions{display:flex;gap:.5rem;margin-top:auto}

/* ===== WHY US ===== */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem}
.why-card{
  background:var(--bg-card);padding:1.8rem 1.4rem;border-radius:var(--radius);
  border:1px solid var(--border);text-align:center;transition:all .25s;
}
.why-card:hover{box-shadow:var(--shadow);border-color:var(--primary-light)}
.why-icon{font-size:2.2rem;margin-bottom:1rem}
.why-card h3{margin-bottom:.6rem;color:var(--heading);font-size:1.05rem}
.why-card p{color:var(--text-light);font-size:.88rem;line-height:1.6;margin:0}

/* ===== PARTNERS / FEATURED CAROUSEL ===== */
.partners{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;align-items:center}
.partner{
  background:var(--bg-card);padding:1rem 1.6rem;border-radius:var(--radius-sm);
  border:1px solid var(--border);color:var(--heading);font-weight:700;
  font-family:'Playfair Display',serif;font-size:1.2rem;
  transition:all .25s;min-height:70px;display:flex;align-items:center;
}
.partner:hover{border-color:var(--primary);box-shadow:var(--shadow)}

/* Featured carousel */
.featured-carousel{position:relative;overflow:hidden;padding:.5rem 0}
.featured-track{display:flex;gap:1.2rem;transition:transform .5s ease;will-change:transform}
.featured-item{
  flex:0 0 calc(33.333% - .8rem);background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;transition:all .25s;display:flex;flex-direction:column;
}
.featured-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.featured-img{aspect-ratio:1.6;background:var(--bg-alt);overflow:hidden}
.featured-img img{width:100%;height:100%;object-fit:cover}
.featured-body{padding:1rem;flex:1}
.featured-body h3{font-size:.95rem;margin-bottom:.4rem}
.featured-body p{font-size:.82rem;color:var(--text-light);margin:0;line-height:1.5}
.carousel-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--border);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);z-index:5;color:var(--primary);font-size:1.2rem;font-weight:bold;
}
.carousel-btn:hover{background:var(--primary);color:#fff}
.carousel-btn.prev{left:-8px}
.carousel-btn.next{right:-8px}
@media(max-width:768px){
  .featured-item{flex:0 0 100%}
  .carousel-btn{width:36px;height:36px}
}

/* ===== POSTS ===== */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.post-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:all .25s;display:flex;flex-direction:column;
}
.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.post-card-img{display:block;aspect-ratio:1.7;background:var(--bg-alt);overflow:hidden}
.post-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.post-card:hover .post-card-img img{transform:scale(1.05)}
.post-card-img-placeholder{display:flex;align-items:center;justify-content:center;height:100%;font-size:2.5rem;color:var(--text-muted)}
.post-card-body{padding:1.2rem;flex:1;display:flex;flex-direction:column}
.post-type-badge{
  display:inline-block;padding:.2rem .6rem;border-radius:4px;font-size:.7rem;
  font-weight:600;margin-bottom:.6rem;align-self:flex-start;
}
.badge-news{background:#dbeafe;color:#1e40af}
.badge-guide{background:#fef3c7;color:#92400e}
.badge-consulting{background:#d1fae5;color:#065f46}
.post-card-body h3{font-size:1.02rem;margin-bottom:.5rem;line-height:1.4}
.post-card-body h3 a{color:var(--heading)}
.post-card-body h3 a:hover{color:var(--primary)}
.post-card-body p{color:var(--text-light);font-size:.85rem;margin-bottom:1rem;flex:1;line-height:1.55}

/* ===== CTA SECTION ===== */
.cta-section{
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  color:#fff;padding:4rem 0;text-align:center;
}
.cta-section h2{color:#fff;font-size:1.9rem;margin-bottom:.6rem}
.cta-section p{color:rgba(255,255,255,.85);font-size:1.05rem;margin-bottom:2rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== FOOTER ===== */
.footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:2.5rem;padding-bottom:3rem}
.footer-logo{font-size:1.4rem;font-weight:800;color:#fff;margin-bottom:1rem;letter-spacing:-.5px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:1rem;text-transform:uppercase;letter-spacing:1px;font-weight:700}
.footer p{font-size:.88rem;line-height:1.7;margin-bottom:.5rem}
.footer a{color:rgba(255,255,255,.75);font-size:.88rem;transition:color .15s}
.footer a:hover{color:#fff}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:.5rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:1.2rem 0;
  font-size:.8rem;text-align:center;color:rgba(255,255,255,.55);
}

/* ===== PAGE BANNER ===== */
.page-banner{
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  color:#fff;padding:3rem 0 2rem;
}
.page-banner h1{color:#fff;font-size:2rem;margin-bottom:.5rem}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.8);margin-top:.5rem}
.breadcrumb a{color:rgba(255,255,255,.8);text-decoration:underline}
.breadcrumb a:hover{color:#fff}

/* ===== FORMS ===== */
.form-group{margin-bottom:1.1rem}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--heading);margin-bottom:.4rem}
.form-group input[type="text"],.form-group input[type="email"],.form-group input[type="tel"],
.form-group input[type="number"],.form-group input[type="password"],.form-group input[type="url"],
.form-group select,.form-group textarea{
  width:100%;padding:.65rem .85rem;font-size:.92rem;font-family:inherit;color:var(--heading);
  border:1.5px solid var(--border);border-radius:var(--radius-sm);background:#fff;transition:all .15s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,122,138,.1);
}
.form-group textarea{resize:vertical;min-height:80px}
.qty-input{width:100px;text-align:center;font-weight:700}

/* ===== TABLES ===== */
.admin-table,.summary-table,.info-table{
  width:100%;border-collapse:collapse;background:var(--bg-card);
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
}
.admin-table th,.admin-table td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--border-light)}
.admin-table th{background:var(--bg-alt);font-size:.78rem;font-weight:700;color:var(--heading);text-transform:uppercase;letter-spacing:.5px}
.admin-table tbody tr:hover{background:var(--bg-alt)}
.info-table td{padding:.5rem .9rem;border-bottom:1px solid var(--border-light);font-size:.88rem}
.info-table td:first-child{color:var(--text-light);width:40%}

/* ===== CART / CHECKOUT ===== */
.checkout-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:2.5rem}
.checkout-form-wrap,.order-summary{background:var(--bg-card);padding:1.8rem;border-radius:var(--radius);border:1px solid var(--border)}
.summary-table{border:none}
.summary-table tr td{border-bottom:1px solid var(--border-light);padding:.7rem 0;font-size:.88rem}
.cart-note{font-size:.82rem;color:var(--text-light);font-style:italic}
.summary-contact{padding-top:1rem;border-top:1px solid var(--border);font-size:.88rem;line-height:1.8}
.summary-contact a{font-weight:700}

/* ===== PRODUCT DETAIL ===== */
.product-detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:2.5rem;margin-bottom:2rem}
.product-detail-img{background:var(--bg-alt);border-radius:var(--radius);overflow:hidden;position:sticky;top:calc(var(--header-h) + 1rem);height:fit-content}
.product-detail-img img{width:100%;display:block}
.product-img-placeholder.large{aspect-ratio:1;font-size:6rem;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--text-muted);font-family:'Playfair Display',serif}
.product-detail-info h1{font-size:1.8rem;margin:.5rem 0 1rem;color:var(--heading)}
.detail-price{font-size:1.5rem;font-weight:800;color:var(--accent);margin:.5rem 0}
.detail-price-contact{font-size:1.05rem;color:var(--primary);font-weight:700;margin:.5rem 0;background:var(--primary-light);padding:.5rem 1rem;border-radius:8px;display:inline-block}
.qty-wrap label{display:block;font-size:.82rem;color:var(--text-light);margin-bottom:.3rem}
.detail-add-cart{margin:1.2rem 0;padding:1.2rem;background:var(--bg-alt);border-radius:var(--radius)}
.detail-meta p{font-size:.85rem;color:var(--text-light);margin:.3rem 0}

/* Product tabs */
.product-tabs{margin-top:2rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.tab-nav{display:flex;gap:0;border-bottom:1px solid var(--border);flex-wrap:wrap;background:var(--bg-alt)}
.ptab-btn{background:none;border:none;padding:1rem 1.4rem;font-weight:600;cursor:pointer;color:var(--text-light);font-size:.88rem;border-bottom:3px solid transparent;transition:all .15s}
.ptab-btn:hover{color:var(--primary)}
.ptab-btn.active{color:var(--primary);border-bottom-color:var(--primary);background:#fff}
.ptab-content{display:none;padding:1.5rem}
.specs-download{display:none!important}
.ptab-content.active{display:block}

/* Expert advice panel */
.expert-panel{
  margin-top:1.5rem;background:linear-gradient(135deg,var(--primary-light),#fff);
  border:1px solid var(--primary);border-radius:var(--radius);padding:1.4rem;
}
.expert-panel h3{font-size:1.05rem;color:var(--primary-dark);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.expert-sale{display:flex;align-items:center;gap:.8rem;padding:.7rem 0;border-bottom:1px dashed rgba(26,122,138,.2)}
.expert-sale:last-child{border-bottom:none}
.expert-avatar{
  width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;
  flex-shrink:0;overflow:hidden;
}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-info{flex:1;min-width:0}
.expert-info strong{display:block;font-size:.9rem;color:var(--heading)}
.expert-info small{color:var(--text-light);font-size:.78rem}
.expert-actions{display:flex;gap:.3rem;flex-shrink:0}
.expert-actions a{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;color:#fff;text-decoration:none;font-size:.95rem;
  transition:transform .15s;
}
.expert-actions a:hover{transform:scale(1.1)}
.expert-actions .call{background:var(--green)}
.expert-actions .zalo{background:#0068ff;font-size:.65rem;font-weight:800}

/* Sidebar layout (products listing) */
.layout-sidebar{display:grid;grid-template-columns:240px 1fr;gap:2rem;padding:2.5rem 1.5rem;max-width:var(--container);margin:0 auto}
.sidebar-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;margin-bottom:1.2rem}
.sidebar-box h3{font-size:1rem;margin-bottom:.8rem;color:var(--heading);padding-bottom:.6rem;border-bottom:1px solid var(--border-light)}
.sidebar-cats{list-style:none;padding:0;margin:0}
.sidebar-cats li{margin-bottom:.3rem}
.sidebar-cats a{display:block;padding:.5rem .7rem;border-radius:6px;color:var(--text);font-size:.88rem;transition:all .15s}
.sidebar-cats a:hover,.sidebar-cats a.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.sidebar-contact{background:var(--primary-light)!important;border-color:var(--primary)!important}
.sidebar-contact h3{color:var(--primary-dark);border-color:rgba(26,122,138,.2)}
.cat-desc{background:var(--bg-card);padding:1rem 1.2rem;border-radius:var(--radius-sm);margin-bottom:1.2rem;border-left:3px solid var(--primary);font-size:.88rem;color:var(--text-light)}
.result-count{color:var(--text-light);font-size:.88rem;margin-bottom:1.2rem}
.empty-state{text-align:center;padding:3rem;background:var(--bg-card);border-radius:var(--radius);border:1px dashed var(--border)}

/* ===== FLASH ===== */
.flash{
  position:fixed;top:calc(var(--header-h) + 1rem);right:1.2rem;z-index:5000;
  padding:.85rem 1.3rem;border-radius:10px;font-size:.9rem;font-weight:500;
  box-shadow:var(--shadow-lg);max-width:380px;display:flex;align-items:center;gap:.6rem;
}
.flash-success{background:#d1fae5;color:#065f46;border-left:4px solid var(--green)}
.flash-error{background:#fee2e2;color:#991b1b;border-left:4px solid var(--red)}
.flash button{background:none;border:none;cursor:pointer;font-size:1.1rem;color:inherit;opacity:.6;padding:0;margin-left:auto}
.flash button:hover{opacity:1}

/* ===== STOCK BADGE (admin only) ===== */
.stock-badge{display:inline-block;padding:.25rem .65rem;border-radius:5px;font-size:.78rem;font-weight:600}
.stock-in{background:#d1fae5;color:#065f46}
.stock-low{background:#fef3c7;color:#92400e}
.stock-out{background:#fee2e2;color:#991b1b}

/* ===== NEWS SLIDER (bài viết nổi bật — 3 thẻ trượt liên tục phải-sang-trái) ===== */
.news-slider{
  position:relative;
  padding:0 3rem;
}
.news-viewport{
  overflow:hidden;
  border-radius:var(--radius);
}
.news-track{
  display:flex;
  gap:1.5rem;
  transition:transform .6s cubic-bezier(.25,.46,.45,.94);
}
.news-card{
  flex:0 0 calc((100% - 3rem) / 3);  /* 3 thẻ với 2 khoảng cách 1.5rem */
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .3s, box-shadow .3s;
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.news-card-img{
  display:block;
  aspect-ratio:1.7;
  background:var(--bg-alt);
  overflow:hidden;
}
.news-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s;
}
.news-card:hover .news-card-img img{transform:scale(1.06)}
.news-card-placeholder{
  display:flex;align-items:center;justify-content:center;
  height:100%;font-size:2.5rem;color:var(--text-muted);
}
.news-card-body{
  padding:1.2rem;flex:1;display:flex;flex-direction:column;
}
.news-card-badge{
  display:inline-block;align-self:flex-start;
  padding:.2rem .7rem;border-radius:14px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:.72rem;font-weight:700;
  margin-bottom:.6rem;
}
.news-card-body h3{
  font-size:1.02rem;line-height:1.35;margin-bottom:.5rem;
}
.news-card-body h3 a{color:var(--heading)}
.news-card-body h3 a:hover{color:var(--primary)}
.news-card-body p{
  color:var(--text-light);font-size:.85rem;line-height:1.55;
  margin-bottom:.9rem;flex:1;
}
.news-card-body .btn{align-self:flex-start}

/* Nav buttons */
.news-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);z-index:10;
  color:var(--primary);font-size:1.5rem;font-weight:bold;
  transition:all .2s;
}
.news-nav:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-50%) scale(1.08)}
.news-nav.prev{left:0}
.news-nav.next{right:0}

@media(max-width:1024px){
  .news-slider{padding:0 2.5rem}
  .news-card{flex:0 0 calc((100% - 1.5rem) / 2);}  /* 2 thẻ */
}
@media(max-width:640px){
  .news-slider{padding:0 2.5rem}
  .news-card{flex:0 0 100%;}  /* 1 thẻ */
  .news-card-body h3{font-size:.95rem}
}

/* ===== FLOATING CTA WIDGET ===== */
.cta-widget{position:fixed;bottom:24px;right:24px;z-index:900}
.cta-widget-toggle{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;border:none;cursor:pointer;font-size:1.6rem;
  box-shadow:0 6px 20px rgba(26,122,138,.4);
  transition:transform .2s,box-shadow .2s;
  display:flex;align-items:center;justify-content:center;position:relative;
}
.cta-widget-toggle:hover{transform:scale(1.08);box-shadow:0 8px 28px rgba(26,122,138,.55)}
.cta-widget-toggle::after{
  content:'';position:absolute;inset:-6px;border-radius:50%;
  border:2px solid var(--primary);opacity:.6;animation:ctaRing 1.8s infinite;
}
@keyframes ctaRing{0%{transform:scale(.9);opacity:.8}100%{transform:scale(1.4);opacity:0}}
.cta-widget-panel{
  position:absolute;bottom:80px;right:0;width:320px;background:#fff;
  border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,.15);
  overflow:hidden;display:none;animation:ctaPanelIn .3s ease;
}
.cta-widget.open .cta-widget-panel{display:block}
@keyframes ctaPanelIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.cta-widget-head{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:1rem 1.2rem;position:relative}
.cta-widget-head h4{margin:0;font-size:1.05rem;font-weight:700;color:#fff}
.cta-widget-head p{margin:.2rem 0 0;font-size:.78rem;opacity:.85;color:#fff}
.cta-widget-body{padding:.5rem 0;max-height:360px;overflow-y:auto}
.cta-sale-item{display:flex;align-items:center;gap:.8rem;padding:.75rem 1.2rem;border-bottom:1px solid #f0f0f0}
.cta-sale-item:last-child{border-bottom:none}
.cta-sale-avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;
  flex-shrink:0;overflow:hidden;
}
.cta-sale-avatar img{width:100%;height:100%;object-fit:cover}
.cta-sale-info{flex:1;min-width:0}
.cta-sale-info strong{display:block;font-size:.9rem;color:var(--heading)}
.cta-sale-info small{display:block;font-size:.74rem;color:#888;margin-top:.1rem}
.cta-sale-actions{display:flex;gap:.4rem}
.cta-sale-btn{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;text-decoration:none;transition:transform .15s;
}
.cta-sale-btn:hover{transform:scale(1.12)}
.cta-sale-btn.call{background:var(--green);color:#fff}
.cta-sale-btn.zalo{background:#0068ff;color:#fff;font-size:.7rem;font-weight:800}
.cta-widget-close{position:absolute;top:.6rem;right:.8rem;background:transparent;border:none;color:#fff;cursor:pointer;font-size:1.2rem;opacity:.7}
.cta-widget-close:hover{opacity:1}

/* ===== BADGES (orders, etc) ===== */
.badge{display:inline-block;padding:.25rem .7rem;border-radius:5px;font-size:.75rem;font-weight:600}
.badge-pending{background:#fef3c7;color:#92400e}
.badge-confirmed{background:#dbeafe;color:#1e40af}
.badge-shipping{background:#e0e7ff;color:#3730a3}
.badge-done{background:#d1fae5;color:#065f46}
.badge-cancelled{background:#fee2e2;color:#991b1b}

/* ============================================================
   RESPONSIVE / MOBILE
   ============================================================ */
@media(max-width:1024px){
  .checkout-layout{grid-template-columns:1fr}
  .cart-layout{grid-template-columns:1fr!important}
  .product-detail-grid{grid-template-columns:1fr}
  .product-detail-img{position:relative;top:auto}
  .layout-sidebar{grid-template-columns:1fr}
  /* Mobile: ẩn box "Danh mục" trên trang sản phẩm (đã có trong menu chính) */
  .layout-sidebar .sidebar > .sidebar-box:first-child{display:none}
  /* Box "Cần tư vấn?" chuyển xuống dưới main */
  .layout-sidebar{display:flex;flex-direction:column}
  .layout-sidebar aside{order:2}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:2rem}
  .hero h1{font-size:2.4rem}
  .hero-stat-item strong{font-size:2.2rem}
}
@media(max-width:768px){
  :root{--header-h:64px;--gap-section:3rem}
  .topbar{display:none}  /* Mobile: ẩn topbar (thông tin đã có trong drawer) */
  body{font-size:14.5px}
  h1{font-size:1.8rem}
  h2{font-size:1.5rem}
  .container{padding:0 1.2rem}
  .hamburger{display:block!important}
  .nav{display:none!important}
  .cart-btn{display:inline-flex!important}
  /* Post detail: stack vertical on mobile */
  .post-detail-layout{grid-template-columns:1fr!important;gap:1.5rem!important}
  .section-header{margin-bottom:2rem}
  .section-header h2{font-size:1.5rem}
  .hero{padding:3rem 0 0}
  .hero h1{font-size:1.9rem;letter-spacing:-1px}
  .hero-slide{font-size:.95rem}
  .hero-content{padding-bottom:2.5rem}
  .hero-stats-grid{grid-template-columns:repeat(2,1fr);padding:1.5rem 1rem;gap:1.5rem}
  .hero-stat-item:not(:last-child)::after{display:none}
  .hero-stat-item strong{font-size:1.9rem}
  .hero-stat-item span{font-size:.7rem;letter-spacing:.8px}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:1rem}  /* tablet 2 cột */
  .product-info{padding:.85rem}
  .product-info h3{font-size:.88rem}
  .cat-grid{grid-template-columns:repeat(2,1fr);gap:.8rem}
  .cat-card{padding:1.2rem .8rem}
  .cat-icon{width:54px;height:54px;font-size:1.3rem}
  .cta-section h2{font-size:1.4rem}
  .footer{padding-top:2.5rem}
  .footer-grid{grid-template-columns:1fr;gap:2rem;padding-bottom:2rem}
  .checkout-form-wrap,.order-summary{padding:1.2rem}
  .product-detail-info h1{font-size:1.4rem}
  .detail-price{font-size:1.2rem}
  .ptab-btn{padding:.7rem .9rem;font-size:.8rem}
  .ptab-content{padding:1rem}
  .cta-widget{bottom:16px;right:16px}
  .cta-widget-toggle{width:54px;height:54px;font-size:1.3rem}
  .cta-widget-panel{width:calc(100vw - 32px);right:-8px}
  .flash{left:1rem;right:1rem;top:calc(var(--header-h) + .5rem);max-width:none}
  .page-banner{padding:2rem 0 1.5rem}
  .page-banner h1{font-size:1.5rem}
  /* Cart table on mobile → card layout */
  .cart-table-wrap{overflow:visible}
  .cart-table{background:transparent;border:none}
  .cart-table thead{display:none}
  .cart-table tbody{display:block;width:100%}
  .cart-table tr{
    display:block;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);
    margin-bottom:1rem;padding:1rem;box-shadow:var(--shadow-sm);
    width:100%;
  }
  .cart-table td{
    display:flex;justify-content:space-between;align-items:center;gap:.8rem;
    border:none;padding:.5rem 0;width:100%;
    border-bottom:1px dashed var(--border-light);
  }
  .cart-table td:last-child{border-bottom:none}
  .cart-table td::before{
    content:attr(data-label);font-weight:600;color:var(--text-light);
    font-size:.72rem;text-transform:uppercase;letter-spacing:.3px;
    flex-shrink:0;width:90px;max-width:35%;
  }
  .cart-table td > *{flex:1;text-align:right;word-break:break-word}
  .cart-table td a strong{font-size:.95rem;line-height:1.3;display:block}
  .cart-table .qty-input{width:80px!important;font-size:.9rem}
  /* Hành động xóa: nút lớn hơn cho dễ tap */
  .cart-table td[data-label=""]{justify-content:flex-end;border-bottom:none;padding-top:.7rem}
  .cart-table td[data-label=""]::before{display:none}
  .cart-table td[data-label=""] .btn{padding:.5rem 1rem;font-size:.85rem}
}
@media(max-width:480px){
  .product-grid{grid-template-columns:1fr;gap:.8rem}
  .cat-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.6rem}
  .btn{padding:.6rem 1.1rem;font-size:.85rem}
  .btn-lg{padding:.8rem 1.4rem;font-size:.92rem}
  .post-grid{grid-template-columns:1fr}
}

/* ===== HOVER EFFECTS — gentle ===== */
@media(hover:none){
  *:hover{transition:none}
}

/* ===== WATERMARK on product images ===== */
.product-detail-img{position:relative}
.product-detail-img::after{
  content:'Phuhung Plastics';
  position:absolute;bottom:16px;right:16px;
  font-size:.85rem;font-weight:700;color:rgba(26,122,138,.25);
  letter-spacing:1px;pointer-events:none;
  text-transform:uppercase;
  transform:rotate(-15deg);
}

/* ===== MOBILE: product tabs → stacked sections ===== */
@media(max-width:768px){
  .product-tabs .tab-nav{display:none!important}
  .product-tabs .ptab-content{display:block!important;border-top:1px solid var(--border);padding:1rem}
  .product-tabs .ptab-content::before{
    content:attr(data-title);display:block;
    font-weight:700;font-size:1rem;color:var(--heading);margin-bottom:.6rem;
  }
}


/* ===== HERO BANNER CAROUSEL (slides có tiêu đề+mô tả) ===== */
.hero-banner-carousel{
  position:relative;
  background:linear-gradient(135deg,var(--primary-light) 0%,#fff 100%);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:0;overflow:hidden;
  min-height:160px;
}
.banner-track{position:relative;height:160px}
.banner-slide{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  text-align:center;padding:2rem 5rem;
  opacity:0;transform:translateX(40px);
  transition:opacity .55s ease,transform .55s ease;
  pointer-events:none;
}
.banner-slide.active{opacity:1;transform:translateX(0);pointer-events:auto}
.banner-content{max-width:720px}
.banner-content h3{
  font-size:1.5rem;color:var(--primary-dark);margin-bottom:.5rem;font-weight:800;letter-spacing:-.5px;
}
.banner-content p{color:var(--text);font-size:1rem;margin:0;line-height:1.6}
.banner-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--border);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);z-index:5;color:var(--primary);font-size:1.4rem;font-weight:bold;
}
.banner-nav:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.banner-nav.prev{left:12px}
.banner-nav.next{right:12px}
.banner-dots{
  position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
  display:flex;gap:.5rem;z-index:5;
}
.banner-dot{
  width:9px;height:9px;border-radius:50%;border:none;
  background:rgba(26,122,138,.25);cursor:pointer;padding:0;
  transition:all .2s;
}
.banner-dot.active{background:var(--primary);width:28px;border-radius:5px}
@media(max-width:768px){
  .banner-track{height:auto;min-height:140px}
  .banner-slide{position:relative;padding:2.5rem 1rem 2.8rem;display:none}
  .banner-slide.active{display:flex}
  .banner-content h3{font-size:1.15rem}
  .banner-content p{font-size:.88rem}
  .banner-nav{width:34px;height:34px;font-size:1.1rem}
  .banner-nav.prev{left:6px}
  .banner-nav.next{right:6px}
}

/* ===== PARTNERS — fade-in + hover effect ===== */
.partner{
  opacity:0;
  transform:translateY(30px) scale(.85);
  transition:opacity .7s ease, transform .7s cubic-bezier(.34,1.56,.64,1), box-shadow .3s, border-color .3s, filter .35s;
  filter:grayscale(40%) brightness(.95);
  position:relative;
  overflow:hidden;
}
.partner.visible{
  opacity:1;
  transform:translateY(0) scale(1);
}
.partner::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at center,rgba(26,122,138,.12),transparent 70%);
  opacity:0;transition:opacity .35s;pointer-events:none;
}
.partner:hover{
  filter:grayscale(0) brightness(1.05);
  transform:translateY(-8px) scale(1.12);
  box-shadow:0 16px 40px rgba(26,122,138,.25);
  border-color:var(--primary);
  z-index:5;
}
.partner:hover::before{opacity:1}
.partner img{
  transition:transform .5s cubic-bezier(.25,.46,.45,.94);
  position:relative;z-index:1;
}
.partner:hover img{
  transform:scale(1.2);
}
/* Subtle floating animation khi đã visible */
@keyframes partnerFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-3px)}
}
.partner.visible{
  animation:partnerFloat 4s ease-in-out infinite;
  animation-delay:var(--float-delay, 0s);
}
.partner:hover{
  animation-play-state:paused;
}



/* ===== BEST SELLERS CAROUSEL (2 rows × 4 cols, sliding) ===== */
.bestseller-carousel{position:relative;padding:0 3rem}
.bestseller-viewport{overflow:hidden;border-radius:var(--radius-sm)}
.bestseller-track{
  display:grid;
  grid-template-rows:1fr 1fr;
  grid-auto-flow:column;
  grid-auto-columns:25%;
  gap:1.2rem;
  transition:transform .65s cubic-bezier(.25,.46,.45,.94);
}
.bestseller-track .product-card{min-width:0}
.bs-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);z-index:10;
  color:var(--primary);font-size:1.5rem;font-weight:bold;
  transition:all .2s;
}
.bs-nav:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-50%) scale(1.08)}
.bs-nav.prev{left:0}
.bs-nav.next{right:0}
@media(max-width:1024px){
  .bestseller-track{grid-auto-columns:33.33%}  /* 3 cột */
  .bestseller-carousel{padding:0 2.5rem}
}
@media(max-width:768px){
  .bestseller-track{grid-auto-columns:50%}  /* 2 cột */
}
@media(max-width:480px){
  .bestseller-track{grid-template-rows:1fr;grid-auto-columns:100%}  /* 1 cột, 1 hàng */
  .bestseller-carousel{padding:0 2rem}
}

/* ===== NEWS SLIDE 3 (3 bài/slide, trượt phải-trái) ===== */
.news-slide-3{position:relative;padding:0 3rem}
.ns3-viewport{overflow:hidden;border-radius:var(--radius-sm)}
.ns3-track{
  display:flex;
  gap:1.5rem;
  transition:transform .6s cubic-bezier(.25,.46,.45,.94);
}
.ns3-card{
  flex:0 0 calc((100% - 3rem) / 3);
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s, box-shadow .3s;
}
.ns3-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.ns3-card-img{
  display:block;aspect-ratio:1.6;background:var(--bg-alt);overflow:hidden;
}
.ns3-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ns3-card:hover .ns3-card-img img{transform:scale(1.06)}
.ns3-card-placeholder{
  display:flex;align-items:center;justify-content:center;
  height:100%;font-size:2.5rem;color:var(--text-muted);
}
.ns3-card-body{padding:1.1rem;flex:1;display:flex;flex-direction:column}
.ns3-badge{
  display:inline-block;align-self:flex-start;
  padding:.2rem .65rem;border-radius:12px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:.7rem;font-weight:700;margin-bottom:.5rem;
}
.ns3-card-body h3{font-size:.95rem;line-height:1.35;margin-bottom:.4rem;flex:1}
.ns3-card-body h3 a{color:var(--heading)}
.ns3-card-body h3 a:hover{color:var(--primary)}
.ns3-card-body p{color:var(--text-light);font-size:.82rem;line-height:1.5;margin:0}
.ns3-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);z-index:10;
  color:var(--primary);font-size:1.5rem;font-weight:bold;
  transition:all .2s;
}
.ns3-nav:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-50%) scale(1.08)}
.ns3-nav.prev{left:0}
.ns3-nav.next{right:0}
@media(max-width:1024px){
  .ns3-card{flex:0 0 calc((100% - 1.5rem) / 2)}
  .news-slide-3{padding:0 2.5rem}
}
@media(max-width:640px){
  .ns3-card{flex:0 0 100%}
  .news-slide-3{padding:0 2rem}
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
/* Elements khi chưa vào viewport */
.reveal-up{opacity:0;transform:translateY(40px);transition:opacity .8s ease, transform .8s cubic-bezier(.25,.46,.45,.94)}
.reveal-up.in-view{opacity:1;transform:translateY(0)}

.reveal-left{opacity:0;transform:translateX(-50px);transition:opacity .8s ease, transform .8s cubic-bezier(.25,.46,.45,.94)}
.reveal-left.in-view{opacity:1;transform:translateX(0)}

.reveal-right{opacity:0;transform:translateX(50px);transition:opacity .8s ease, transform .8s cubic-bezier(.25,.46,.45,.94)}
.reveal-right.in-view{opacity:1;transform:translateX(0)}

.reveal-scale{opacity:0;transform:scale(.9);transition:opacity .7s ease, transform .7s cubic-bezier(.34,1.56,.64,1)}
.reveal-scale.in-view{opacity:1;transform:scale(1)}

/* Stagger cho các item trong grid */
.reveal-up.in-view.delay-1{transition-delay:.1s}
.reveal-up.in-view.delay-2{transition-delay:.2s}
.reveal-up.in-view.delay-3{transition-delay:.3s}
.reveal-up.in-view.delay-4{transition-delay:.4s}

/* Section header luôn có subtle animation */
.section-header{opacity:0;transform:translateY(20px);transition:opacity .7s ease, transform .7s ease}
.section-header.in-view{opacity:1;transform:translateY(0)}

/* Category cards: pop-in với stagger */
.cat-card{
  transition:transform .35s cubic-bezier(.25,.46,.45,.94), box-shadow .3s, border-color .3s;
}
.cat-card:hover{
  transform:translateY(-8px) scale(1.02);
  box-shadow:0 16px 40px rgba(26,122,138,.2);
  border-color:var(--primary);
}
.cat-card:hover .cat-icon{
  transform:scale(1.15) rotate(-5deg);
}
.cat-icon{transition:transform .35s cubic-bezier(.34,1.56,.64,1)}

/* Product cards: lift on hover */
.product-card{
  transition:transform .35s ease, box-shadow .3s;
}
.product-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 32px rgba(0,0,0,.1);
}
.product-card .product-img-wrap{overflow:hidden}
.product-card img{transition:transform .5s ease}
.product-card:hover img{transform:scale(1.08)}

/* Why us cards: rotate on hover */
.why-card{
  transition:transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
}
.why-card:hover{
  transform:translateY(-8px);
  box-shadow:0 16px 40px rgba(26,122,138,.15);
}
.why-icon{
  transition:transform .5s cubic-bezier(.68,-.55,.27,1.55);
  display:inline-block;
}
.why-card:hover .why-icon{
  transform:scale(1.25) rotate(360deg);
}

/* Hero animations on load */
.hero-content{animation:heroFadeIn 1s ease .1s both}
.hero-stats{animation:heroFadeIn 1s ease .4s both}
@keyframes heroFadeIn{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}

/* Hero title stagger */
.hero-badge{animation:slideDown .8s ease .2s both}
.hero h1{animation:slideDown 1s ease .35s both}
.hero-slider{animation:slideDown 1s ease .5s both}
.hero-actions{animation:slideDown 1s ease .65s both}
@keyframes slideDown{
  from{opacity:0;transform:translateY(-20px)}
  to{opacity:1;transform:translateY(0)}
}

/* Parallax slow shift on hero */
.hero{position:relative;overflow:hidden}
.hero::before{
  content:'';position:absolute;inset:-20px;
  background:inherit;
  transform:translateY(0);
  transition:transform 0s;
  z-index:-1;
}

/* Smooth scroll cho toàn trang */
html{scroll-behavior:smooth}

/* Prefer reduced motion */
@media(prefers-reduced-motion:reduce){
  .reveal-up,.reveal-left,.reveal-right,.reveal-scale,.section-header{
    opacity:1!important;transform:none!important;transition:none!important;
  }
  .hero-content,.hero-stats,.hero-badge,.hero h1,.hero-slider,.hero-actions{
    animation:none!important;
  }
}


/* Safety fallback: nếu JS không chạy được vì lý do gì, sau 3s vẫn hiện toàn bộ nội dung */
@keyframes safetyReveal{to{opacity:1;transform:none}}
.reveal-up,.reveal-left,.reveal-right,.reveal-scale{
  animation:safetyReveal .01s ease 3s forwards;
}
.reveal-up.in-view,.reveal-left.in-view,.reveal-right.in-view,.reveal-scale.in-view{
  animation:none;
}

/* ===== PARTNERS SECTION — nổi bật với màu nhận diện ===== */
.partners-section{
  position:relative;
  background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #2a95a8 100%);
  color:#fff;
  overflow:hidden;
  border-top:1px solid rgba(255,255,255,.1);
}
/* Decoration circles nền */
.partners-decor{
  position:absolute;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,.12) 0%, transparent 70%);
  pointer-events:none;
  z-index:1;
}
.partners-decor.decor-1{
  width:520px;height:520px;top:-160px;right:-140px;
  animation:decorFloat 12s ease-in-out infinite;
}
.partners-decor.decor-2{
  width:380px;height:380px;bottom:-120px;left:-100px;
  background:radial-gradient(circle, rgba(232,52,28,.15) 0%, transparent 70%);
  animation:decorFloat 15s ease-in-out infinite reverse;
}
@keyframes decorFloat{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(20px,-30px) scale(1.05)}
}

.partners-section .container{position:relative;z-index:2}

/* Section header trắng trên nền teal */
.partners-header{text-align:center}
.partners-eyebrow{
  display:inline-block;
  background:rgba(255,255,255,.15);
  color:#fff;
  padding:.35rem 1.1rem;
  border-radius:100px;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.6px;
  text-transform:uppercase;
  margin-bottom:1rem;
  border:1px solid rgba(255,255,255,.25);
  backdrop-filter:blur(6px);
}
.partners-header h2{
  color:#fff;
  font-size:2.2rem;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:.6rem;
  text-shadow:0 2px 10px rgba(0,0,0,.15);
}
.partners-header p{
  color:rgba(255,255,255,.85);
  font-size:1rem;
  max-width:560px;
  margin:0 auto;
}

/* Partner cards — nền trắng đối lập nền teal */
.partners-section .partner{
  background:#fff;
  border:none;
  border-radius:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.15), 0 2px 6px rgba(0,0,0,.08);
  padding:1rem 1.8rem!important;
  min-height:78px;
  filter:grayscale(0) brightness(1);
  transform:translateY(30px) scale(.9);
  opacity:0;
  transition:opacity .7s ease, transform .7s cubic-bezier(.34,1.56,.64,1),
             box-shadow .3s, background .3s;
}
.partners-section .partner.visible{
  opacity:1;
  transform:translateY(0) scale(1);
}
.partners-section .partner::before{
  background:radial-gradient(circle at center, var(--accent-light,rgba(232,52,28,.08)) 0%, transparent 70%);
}
.partners-section .partner:hover{
  transform:translateY(-10px) scale(1.1);
  box-shadow:0 20px 45px rgba(232,52,28,.35), 0 5px 12px rgba(0,0,0,.15);
  background:#fff;
  filter:brightness(1.05);
}
.partners-section .partner img{
  transition:transform .5s cubic-bezier(.25,.46,.45,.94);
}
.partners-section .partner:hover img{
  transform:scale(1.15);
}

/* Mobile responsive */
@media(max-width:768px){
  .partners-header h2{font-size:1.6rem}
  .partners-header p{font-size:.9rem}
  .partners-eyebrow{font-size:.7rem}
  .partners-decor.decor-1{width:280px;height:280px;top:-80px;right:-80px}
  .partners-decor.decor-2{width:220px;height:220px;bottom:-80px;left:-60px}
}


/* ===== BEST SELLERS GRID (thay thế carousel) ===== */
.bestseller-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1.5rem;
}
@media(max-width:1024px){
  .bestseller-grid{grid-template-columns:repeat(2, 1fr)}
}
@media(max-width:640px){
  .bestseller-grid{grid-template-columns:1fr;gap:1.2rem}
}

/* ===== POST CONTENT (bài viết chi tiết — rich HTML) ===== */
.post-content{font-size:1rem;line-height:1.75;color:var(--text)}
.post-content h2{font-size:1.6rem;margin:1.4em 0 .5em;color:var(--primary);font-weight:700;line-height:1.3}
.post-content h3{font-size:1.3rem;margin:1.1em 0 .4em;font-weight:600;color:var(--heading)}
.post-content h4{font-size:1.1rem;margin:.9em 0 .3em;font-weight:600}
.post-content p{margin:.8em 0}
.post-content blockquote{margin:1em 0;padding:.8em 1.2em;border-left:4px solid var(--primary);background:var(--primary-light);font-style:italic;color:#555;border-radius:0 6px 6px 0}
.post-content ul,.post-content ol{margin:.8em 0;padding-left:1.8em}
.post-content ul li,.post-content ol li{margin:.4em 0}
.post-content a{color:var(--primary);text-decoration:underline}
.post-content a:hover{color:var(--primary-dark)}
.post-content img{max-width:100%;height:auto;border-radius:8px;margin:1em 0;display:block;box-shadow:var(--shadow-sm)}
.post-content table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;box-shadow:var(--shadow-sm)}
.post-content table td,.post-content table th{border:1px solid var(--border);padding:.7em 1em;text-align:left}
.post-content table th{background:var(--primary-light);color:var(--primary-dark);font-weight:700}
.post-content table tr:nth-child(even) td{background:var(--bg-alt)}
.post-content strong,.post-content b{font-weight:700;color:var(--heading)}
.post-content code{background:#f6f8fa;padding:.15em .4em;border-radius:3px;font-family:'Consolas',monospace;font-size:.9em;color:#e8341c}
.post-content pre{background:#282c34;color:#abb2bf;padding:1em;border-radius:6px;overflow-x:auto;margin:1em 0}
.post-content pre code{background:none;padding:0;color:inherit}
@media(max-width:768px){
  .post-content{font-size:.95rem}
  .post-content h2{font-size:1.35rem}
  .post-content h3{font-size:1.15rem}
  .post-content table{font-size:.85rem}
  .post-content table td,.post-content table th{padding:.5em .6em}
}