/* ================================================================
   AccVIPAI — Global Stylesheet (clone shopaibhf.com)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&display=swap');

/* ── 1. CSS VARIABLES ── */
:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #8b5cf6;
  --primary-50: #faf5ff;
  --primary-100: #ede9fe;
  --primary-200: #ddd6fe;
  --text: #0f172a;
  --text-2: #475569;
  --text-muted: #94a3b8;
  --bg: #ffffff;
  --bg-2: #f8fafc;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --info: #2563eb;
  --grad: linear-gradient(135deg,#7c3aed 0%,#6d28d9 100%);
  --grad-hero: linear-gradient(135deg,#faf5ff 0%,#ede9fe 50%,#f0f9ff 100%);
  --sh-sm: 0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --sh-md: 0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.06);
  --sh-lg: 0 10px 15px rgba(0,0,0,.1),0 4px 6px rgba(0,0,0,.05);
  --sh-xl: 0 20px 25px rgba(0,0,0,.1),0 10px 10px rgba(0,0,0,.04);
  --sh-purple: 0 8px 30px rgba(124,58,237,.25);
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;
  --tr: .2s ease; --tr-slow: .35s ease;
  --section-py: 80px;
  --container-px: 24px;
  --max-w: 1100px;
}

/* ── 2. RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Be Vietnam Pro',-apple-system,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,select,textarea{font-family:inherit}
ul,ol{list-style:none}

/* ── 3. UTILITIES ── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 var(--container-px)}
.section{padding:var(--section-py) 0}
.text-center{text-align:center}
.hidden{display:none!important}

/* ── 4. TYPOGRAPHY ── */
.section-label{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);background:var(--primary-100);padding:4px 12px;border-radius:var(--r-full);margin-bottom:12px}
.section-title{font-size:clamp(26px,5vw,42px);font-weight:800;line-height:1.2;margin-bottom:16px}
.section-sub{font-size:18px;color:var(--text-2);max-width:600px;margin:0 auto 48px}

/* ── 5. BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--r-full);font-weight:600;font-size:15px;transition:all var(--tr);cursor:pointer;white-space:nowrap;border:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-purple)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(124,58,237,.35)}
.btn-secondary{background:#fff;color:var(--primary);border:2px solid var(--primary-200)}
.btn-secondary:hover{background:var(--primary-50);border-color:var(--primary)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{background:var(--bg-2)}
.btn-lg{padding:16px 32px;font-size:16px}
.btn-full{width:100%;justify-content:center}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* ── 6. HEADER ── */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);height:64px;display:flex;align-items:center}
.header-inner{display:flex;align-items:center;gap:24px;width:100%}
.logo{font-size:18px;font-weight:800;color:var(--text);flex-shrink:0}
.logo em{color:var(--primary);font-style:normal}
.header-nav{display:flex;align-items:center;gap:4px;flex:1}
.header-nav a{padding:8px 14px;border-radius:var(--r-md);font-size:14px;font-weight:500;color:var(--text-2);transition:all var(--tr);display:flex;align-items:center;gap:6px}
.header-nav a:hover,.header-nav a.active{color:var(--primary);background:var(--primary-50)}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.cart-link{position:relative;display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r-md);font-size:14px;font-weight:500;color:var(--text-2);transition:all var(--tr)}
.cart-link:hover{color:var(--primary);background:var(--primary-50)}
.cart-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;background:var(--primary);color:#fff;border-radius:var(--r-full);font-size:11px;font-weight:700}
.lang-btn{padding:6px 12px;border-radius:var(--r-md);font-size:13px;font-weight:600;color:var(--text-2);border:1.5px solid var(--border);transition:all var(--tr)}
.lang-btn:hover{color:var(--primary);border-color:var(--primary-200)}
.hamburger{display:none;padding:8px;border-radius:var(--r-sm);color:var(--text);transition:background var(--tr)}
.hamburger:hover{background:var(--bg-2)}
.hamburger svg{width:20px;height:20px;display:block}

/* Mobile nav */
.mobile-nav{display:none;position:fixed;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:8px 16px 16px;z-index:999;box-shadow:var(--sh-lg)}
.mobile-nav.open{display:block}
.mobile-nav a{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--text);transition:all var(--tr)}
.mobile-nav a:hover{background:var(--primary-50);color:var(--primary)}

/* ── 7. HERO ── */
.hero{background:var(--grad-hero);padding:80px 0 100px;overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;top:-40%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(139,92,246,.12) 0%,transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.2);color:var(--primary-dark);padding:8px 16px;border-radius:var(--r-full);font-size:13px;font-weight:600;margin-bottom:20px}
.hero-title{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.15;margin-bottom:20px}
.hero-title .hl{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:16px;color:var(--text-2);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.hero-desc::before{content:'✅';flex-shrink:0}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;margin-bottom:40px}
.hero-btn{display:flex;flex-direction:column;align-items:center;padding:14px 28px;border-radius:var(--r-lg);font-weight:700;cursor:pointer;transition:all var(--tr);border:none;min-width:190px;text-align:center}
.hero-btn .lbl{font-size:11px;font-weight:500;opacity:.8;margin-bottom:2px}
.hero-btn .price{font-size:18px;font-weight:800}
.hero-btn .period{font-size:12px;font-weight:500;opacity:.8}
.hero-btn-std{background:#fff;color:var(--text);box-shadow:var(--sh-lg);border:1.5px solid var(--border)}
.hero-btn-std:hover{transform:translateY(-2px);box-shadow:var(--sh-xl)}
.hero-btn-prm{background:var(--grad);color:#fff;box-shadow:var(--sh-purple)}
.hero-btn-prm:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(124,58,237,.4)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{text-align:center;background:rgba(255,255,255,.7);border:1px solid rgba(124,58,237,.1);border-radius:var(--r-md);padding:16px 8px}
.stat-v{font-size:24px;font-weight:800;color:var(--primary)}
.stat-l{font-size:12px;color:var(--text-2);margin-top:4px}

/* Chat mockup */
.chat-mockup{background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-xl);overflow:hidden;border:1px solid var(--border-light)}
.chat-head{background:var(--grad);padding:14px 18px;display:flex;align-items:center;gap:10px;color:#fff}
.chat-avatar{width:32px;height:32px;background:rgba(255,255,255,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.chat-info .name{font-weight:700;font-size:14px}
.chat-info .status{font-size:12px;opacity:.8}
.chat-body{padding:16px;display:flex;flex-direction:column;gap:12px}
.msg{display:flex;gap:8px;max-width:88%}
.msg.user{margin-left:auto;flex-direction:row-reverse}
.msg-av{width:28px;height:28px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.msg.bot .msg-av{background:var(--primary-100);color:var(--primary)}
.msg.user .msg-av{background:var(--grad);color:#fff}
.bubble{padding:10px 14px;border-radius:var(--r-lg);font-size:13px;line-height:1.5}
.msg.bot .bubble{background:var(--bg-2);color:var(--text);border-radius:4px var(--r-lg) var(--r-lg) var(--r-lg)}
.msg.user .bubble{background:var(--grad);color:#fff;border-radius:var(--r-lg) 4px var(--r-lg) var(--r-lg)}
.typing-dots{display:flex;gap:4px;align-items:center;padding:10px 14px;background:var(--bg-2);border-radius:var(--r-full);width:fit-content}
.dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:blink 1.2s infinite}
.dot:nth-child(2){animation-delay:.2s}
.dot:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)}}

/* ── 8. MARQUEE ── */
.marquee-wrap{background:var(--primary);padding:14px 0;overflow:hidden}
.marquee-track{display:flex;animation:marquee 28s linear infinite;white-space:nowrap}
.marquee-track:hover{animation-play-state:paused}
.marquee-item{display:inline-flex;align-items:center;gap:8px;padding:0 28px;color:rgba(255,255,255,.9);font-size:14px;font-weight:500;border-right:1px solid rgba(255,255,255,.2)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── 9. FEATURES ── */
.features{background:var(--bg-2)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.feat-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--r-lg);padding:28px;transition:all var(--tr-slow);position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transition:transform var(--tr-slow)}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:var(--primary-200)}
.feat-card:hover::before{transform:scaleX(1)}
.feat-icon{width:52px;height:52px;background:var(--primary-50);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.feat-title{font-size:16px;font-weight:700;margin-bottom:8px}
.feat-desc{font-size:14px;color:var(--text-2);line-height:1.6}

/* ── 10. PRICING ── */
.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:48px}
.price-card{background:#fff;border:2px solid var(--border);border-radius:var(--r-xl);padding:36px;position:relative;transition:all var(--tr-slow)}
.price-card:hover{box-shadow:var(--sh-xl)}
.price-card.featured{border-color:var(--primary);box-shadow:var(--sh-purple)}
.price-card.featured::before{content:'🔥 Phổ biến nhất';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;padding:4px 18px;border-radius:var(--r-full);font-size:12px;font-weight:700;white-space:nowrap}
.price-tier{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:6px}
.price-name{font-size:20px;font-weight:800;margin-bottom:8px}
.price-row{display:flex;align-items:baseline;gap:8px;margin:4px 0 0}
.price-amt{font-size:32px;font-weight:300;color:var(--primary)}
.price-orig-line{display:flex;align-items:baseline;gap:6px;margin-top:12px}
.price-orig{font-size:40px;color:var(--danger);text-decoration:line-through;font-weight:800}
.price-orig-vnd{font-size:16px;color:var(--danger);text-decoration:line-through;font-weight:600}
.price-per{font-size:13px;color:var(--text-muted);font-weight:300}
.price-vnd{font-size:14px;color:var(--success);margin-bottom:20px;font-weight:400}
.price-desc{font-size:14px;color:var(--text-2);margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-light)}
.price-feats{display:flex;flex-direction:column;gap:11px;margin-bottom:28px}
.price-feat{display:flex;align-items:flex-start;gap:10px;font-size:14px}
.price-feat .ck{color:var(--success);flex-shrink:0;font-size:15px;margin-top:1px}

/* Quota table */
.qtable-wrap{margin-top:64px;overflow-x:auto}
.qtable{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-md)}
.qtable th,.qtable td{padding:15px 22px;text-align:left;border-bottom:1px solid var(--border-light);font-size:14px}
.qtable thead{background:var(--grad);color:#fff}
.qtable thead th{font-weight:700;font-size:15px}
.qtable tbody tr:hover{background:var(--primary-50)}
.qtable tbody tr:last-child td{border-bottom:none}
.qtable .hcol{background:rgba(124,58,237,.04)}
.best{color:var(--primary);font-weight:700}
.cy{color:var(--success);font-weight:700}
.cn{color:var(--text-muted)}

/* ── 11. PROCESS ── */
.process{background:var(--bg-2)}
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px;position:relative}
.proc-grid::before{content:'';position:absolute;top:40px;left:calc(16.67% + 20px);right:calc(16.67% + 20px);height:2px;background:linear-gradient(90deg,var(--primary-200),var(--primary),var(--primary-200))}
.proc-step{text-align:center;position:relative}
.proc-num{width:80px;height:80px;background:var(--grad);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:#fff;font-size:28px;font-weight:800;box-shadow:var(--sh-purple);position:relative;z-index:1}
.proc-title{font-size:18px;font-weight:700;margin-bottom:12px}
.proc-desc{font-size:14px;color:var(--text-2);line-height:1.7}
.acc-mockup{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-md);padding:14px 16px;margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;text-align:left}
.acc-av{width:36px;height:36px;background:var(--grad);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.acc-name{font-weight:600}
.acc-role{display:inline-flex;align-items:center;gap:4px;background:var(--primary-100);color:var(--primary-dark);padding:2px 8px;border-radius:var(--r-full);font-size:11px;font-weight:600;margin-top:2px}

/* ── 12. CONTACT ── */
.contact-tabs{display:flex;gap:8px;margin-bottom:24px}
.ctab{padding:10px 20px;border-radius:var(--r-full);font-weight:600;font-size:14px;cursor:pointer;transition:all var(--tr);border:2px solid var(--border);color:var(--text-2);background:#fff}
.ctab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-purple)}
.cpanel{display:none}
.cpanel.active{display:block}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.contact-card{background:var(--bg-2);border:1px solid var(--border-light);border-radius:var(--r-lg);padding:18px;display:flex;align-items:flex-start;gap:12px}
.cc-icon{font-size:20px;flex-shrink:0}
.cc-title{font-weight:600;font-size:14px;margin-bottom:4px}
.cc-desc{font-size:13px;color:var(--text-2)}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px;background:#fff;border-radius:var(--r-xl);border:2px dashed var(--border);margin-top:20px}
.qr-img{width:140px;height:140px;background:var(--bg-2);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:48px}
.qr-label{font-size:13px;color:var(--text-2);text-align:center}

/* ── 13. NOTICE / POLICY ── */
.notice-section{background:#fffbeb;border-top:4px solid var(--warning)}
.notice-box{background:#fff;border-radius:var(--r-xl);padding:32px;border:1px solid var(--border);box-shadow:var(--sh-sm)}
.notice-box+.notice-box{margin-top:20px}
.notice-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.notice-icon{font-size:28px}
.notice-title{font-size:18px;font-weight:700}
.notice-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.ni{display:flex;align-items:flex-start;gap:10px;font-size:14px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-full);font-size:13px;font-weight:600}
.chip-ok{background:var(--success-bg);color:var(--success)}
.chip-bad{background:var(--danger-bg);color:var(--danger)}
.info-2col{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.info-box{background:var(--bg-2);border-radius:var(--r-lg);padding:20px;border-left:4px solid}
.info-box.ok{border-color:var(--success)}
.info-box.bad{border-color:var(--danger)}
.info-box-title{font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.info-box li{font-size:13px;display:flex;align-items:flex-start;gap:6px;margin-bottom:6px}

/* ── 14. FOOTER ── */
.footer{background:var(--text);color:rgba(255,255,255,.7);padding:24px 0;font-size:14px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-logo{color:#fff;font-weight:700;font-size:16px}
.footer-logo em{color:var(--primary-light);font-style:normal}
.footer-links{display:flex;gap:20px}
.footer-links a{color:rgba(255,255,255,.5);transition:color var(--tr);font-size:13px}
.footer-links a:hover{color:#fff}
.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px}
.sdot{width:8px;height:8px;background:#4ade80;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

/* ── 15. FLOATING CONTACTS ── */
.floats{position:fixed;right:20px;bottom:100px;display:flex;flex-direction:column;gap:10px;z-index:500;transition:bottom .4s ease}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .25s cubic-bezier(.34,1.56,.64,1);color:#fff;position:relative;text-decoration:none}
.float-btn svg{width:24px;height:24px;fill:currentColor;flex-shrink:0}
.float-btn:hover{transform:scale(1.1) translateY(-2px)}
.float-tt{position:absolute;right:62px;background:rgba(10,10,16,.88);color:#fff;padding:5px 13px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;transform:translateX(6px);backdrop-filter:blur(8px)}
.float-btn:hover .float-tt{opacity:1;transform:translateX(0)}
.fb-zalo{background:linear-gradient(135deg,#0068FF,#1A8FFF);box-shadow:0 4px 16px rgba(0,104,255,.4)}
.fb-zalo:hover{box-shadow:0 6px 24px rgba(0,104,255,.6)}
.fb-fb{background:linear-gradient(135deg,#7928CA,#FF0080);box-shadow:0 4px 16px rgba(121,40,202,.4)}
.fb-fb:hover{box-shadow:0 6px 24px rgba(121,40,202,.6)}
.fb-phone{background:linear-gradient(135deg,#059669,#10B981);box-shadow:0 4px 16px rgba(5,150,105,.35)}
.fb-phone:hover{box-shadow:0 6px 24px rgba(5,150,105,.5)}

/* ── 16. MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:opacity var(--tr)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:#fff;border-radius:var(--r-xl);padding:32px;width:100%;max-width:480px;box-shadow:var(--sh-xl);transform:scale(.95);transition:transform var(--tr)}
.modal-overlay.open .modal{transform:scale(1)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px}
.modal-title{font-size:22px;font-weight:800}
.modal-close{width:32px;height:32px;border-radius:50%;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;transition:background var(--tr);flex-shrink:0}
.modal-close:hover{background:var(--border)}
.modal-pkg{display:flex;align-items:center;gap:10px;padding:14px;background:var(--primary-50);border:1px solid var(--primary-200);border-radius:var(--r-md);margin-bottom:20px;font-weight:600}

/* ── 17. FORMS ── */
.fg{margin-bottom:18px}
.flabel{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text)}
.flabel .req{color:var(--danger);margin-left:2px}
.finput,.fselect,.ftextarea{width:100%;padding:11px 15px;border:1.5px solid var(--border);border-radius:var(--r-md);font-size:15px;color:var(--text);background:#fff;transition:border-color var(--tr),box-shadow var(--tr);outline:none}
.finput:focus,.fselect:focus,.ftextarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,.12)}
.finput.err{border-color:var(--danger)}
.fhint{font-size:12px;color:var(--text-muted);margin-top:5px}
.fselect{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}

/* ── 18. PRODUCT LISTING PAGE ── */
.page-header{background:var(--bg-2);padding:16px 0;border-bottom:1px solid var(--border-light)}
.page-title{font-size:clamp(22px,4vw,34px);font-weight:800}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);margin-bottom:14px}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{color:var(--text-muted)}
.products-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:40px;padding-bottom:80px}
.prod-card{background:#fff;border:2px solid var(--border);border-radius:var(--r-xl);padding:28px;transition:all var(--tr-slow);position:relative}
.prod-card:hover{border-color:var(--primary-200);box-shadow:var(--sh-lg);transform:translateY(-2px)}
.prod-card.featured{border-color:var(--primary)}
.tier-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-full);font-size:12px;font-weight:700;margin-bottom:12px}
.tbadge-std{background:#fef3c7;color:var(--warning)}
.tbadge-prm{background:var(--primary-100);color:var(--primary-dark)}
.prod-name{font-size:20px;font-weight:800;margin-bottom:6px}
.prod-meta{font-size:13px;color:var(--text-2);display:flex;gap:16px;margin-bottom:16px}
.prod-price{font-size:34px;font-weight:800;margin-bottom:4px}
.prod-price-vnd{font-size:14px;color:var(--text-2);margin-bottom:20px}

/* ── 19. PRODUCT DETAIL PAGE ── */
.detail-grid{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:flex-start;padding:40px 0 80px}
.sticky-card{position:sticky;top:80px}
.order-card{background:#fff;border:2px solid var(--border);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-md)}
.order-card.featured{border-color:var(--primary)}
.prod-hero-icon{font-size:48px;margin-bottom:16px}
.prod-hero-title{font-size:26px;font-weight:800;margin-bottom:8px}
.prod-hero-desc{font-size:16px;color:var(--text-2);margin-bottom:20px}
.chips-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.chip-item{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--bg-2);border:1px solid var(--border-light);border-radius:var(--r-full);font-size:13px;font-weight:600}
.trust-badges{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.trust-badge{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg-2);border-radius:var(--r-md);font-size:13px;font-weight:500}
.trust-badge .icon{font-size:18px}

/* Tabs */
.tabs{margin-top:32px}
.tab-list{display:flex;gap:4px;border-bottom:2px solid var(--border-light);margin-bottom:24px;overflow-x:auto}
.tab-btn{padding:10px 18px;font-size:14px;font-weight:600;color:var(--text-2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all var(--tr);background:none;border-top:none;border-left:none;border-right:none;white-space:nowrap}
.tab-btn:hover{color:var(--primary)}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-panel{display:none}
.tab-panel.active{display:block}
.tab-panel ul{display:flex;flex-direction:column;gap:10px}
.tab-panel ul li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5}
.tab-panel ul li::before{content:'✓';color:var(--success);font-weight:700;flex-shrink:0}

/* FAQ */
.faq-item{margin-bottom:10px}
.faq-q{font-weight:600;font-size:15px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--bg-2);border-radius:var(--r-md);transition:background var(--tr)}
.faq-q:hover,.faq-q.open{background:var(--primary-50);color:var(--primary-dark)}
.faq-q.open{border-radius:var(--r-md) var(--r-md) 0 0}
.faq-q svg{transition:transform var(--tr);flex-shrink:0;width:16px;height:16px}
.faq-q.open svg{transform:rotate(180deg)}
.faq-a{font-size:14px;color:var(--text-2);line-height:1.7;padding:14px 16px;background:var(--primary-50);border-radius:0 0 var(--r-md) var(--r-md);display:none}
.faq-a.open{display:block}

/* Related */
.related{margin-top:48px}
.related-title{font-size:20px;font-weight:700;margin-bottom:16px}
.related-card{background:var(--bg-2);border:1px solid var(--border-light);border-radius:var(--r-lg);padding:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:all var(--tr)}
.related-card:hover{border-color:var(--primary-200);background:var(--primary-50)}

/* ── 20. CART PAGE ── */
.cart-layout{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:flex-start;padding:40px 0 80px}
.cart-items{display:flex;flex-direction:column;gap:16px}
.cart-item{background:#fff;border:1.5px solid var(--border);border-radius:var(--r-lg);padding:20px;display:flex;align-items:flex-start;gap:16px}
.ci-icon{font-size:32px;flex-shrink:0}
.ci-info{flex:1}
.ci-name{font-size:16px;font-weight:700;margin-bottom:6px}
.ci-meta{font-size:13px;color:var(--text-2);display:flex;gap:14px;flex-wrap:wrap}
.ci-price{font-size:18px;font-weight:800;color:var(--primary);white-space:nowrap}
.ci-remove{color:var(--danger);font-size:13px;cursor:pointer;margin-top:8px;background:none;border:none;font-weight:600;padding:0;transition:opacity var(--tr)}
.ci-remove:hover{opacity:.7}
.summary{background:#fff;border:2px solid var(--border);border-radius:var(--r-xl);padding:28px;position:sticky;top:80px}
.sum-title{font-size:18px;font-weight:800;margin-bottom:20px}
.sum-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border-light);font-size:14px}
.sum-row:last-of-type{border-bottom:none}
.sum-total{font-weight:800;font-size:16px;border-top:2px solid var(--border);padding-top:16px;margin-top:4px}
.sum-free{color:var(--success);font-weight:600}
.empty-cart{text-align:center;padding:80px 20px}
.empty-icon{font-size:64px;margin-bottom:16px}
.empty-title{font-size:22px;font-weight:700;margin-bottom:8px}
.empty-desc{color:var(--text-2);margin-bottom:24px}

/* Payment info */
.pay-section{margin-top:24px;padding-top:24px;border-top:1px solid var(--border-light)}
.pay-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.bank-info{background:var(--bg-2);border-radius:var(--r-md);padding:16px;font-size:14px}
.bank-row{display:flex;justify-content:space-between;align-items:center;padding:7px 0;border-bottom:1px solid var(--border-light)}
.bank-row:last-child{border-bottom:none}
.bank-label{color:var(--text-2);font-size:13px}
.bank-value{font-weight:700;font-family:monospace;font-size:15px}
.copy-btn{background:var(--primary-100);color:var(--primary);border:none;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:700;cursor:pointer;margin-left:8px;transition:background var(--tr)}
.copy-btn:hover{background:var(--primary-200)}

/* ── 21. TOAST ── */
.toast-wrap{position:fixed;top:80px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-xl);display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;min-width:260px;max-width:360px;border-left:4px solid;animation:tin .3s ease;pointer-events:all}
.toast.success{border-color:var(--success)}
.toast.error{border-color:var(--danger)}
.toast.info{border-color:var(--info)}
@keyframes tin{from{transform:translateX(110%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ── 22. RESPONSIVE ── */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .chat-mockup{max-width:480px;margin:0 auto}
  .detail-grid{grid-template-columns:1fr}
  .sticky-card{position:static}
  .cart-layout{grid-template-columns:1fr}
  .summary{position:static}
}
@media(max-width:768px){
  :root{--section-py:48px;--container-px:16px}
  .header-nav{display:none}
  .hamburger{display:flex}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:1fr}
  .pricing-grid,.products-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:1fr;gap:28px}
  .proc-grid::before{display:none}
  .info-2col,.contact-grid{grid-template-columns:1fr}
  .hero-btns{flex-direction:column}
  .hero-btn{min-width:unset;width:100%}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .trust-badges{grid-template-columns:1fr}
  .page-header{display:none}
}
@media(max-width:480px){
  .section-title{font-size:24px}
  .hero-title{font-size:26px}
  .price-amt{font-size:34px}
  .modal{padding:20px}
  .qtable th,.qtable td{padding:10px 12px;font-size:13px}
}

/* ================================================================
   23. DARK MODE — Gold Luxury Theme
   Kích hoạt: ?mode=dark hoặc click toggle button
   ================================================================ */

/* ── Variables override ── */
[data-theme="dark"] {
  --primary:       #C9A227;
  --primary-dark:  #A07810;
  --primary-light: #E0C040;
  --primary-50:    #18140A;
  --primary-100:   #241C0A;
  --primary-200:   #362A10;
  --text:          #F7F0E6;
  --text-2:        #B8A080;
  --text-muted:    #6B5840;
  --bg:            #09090B;
  --bg-2:          #111118;
  --border:        #2C2418;
  --border-light:  #201A10;
  --success:       #4ade80;
  --success-bg:    #052014;
  --warning:       #F59E0B;
  --warning-bg:    #1A1200;
  --danger:        #f87171;
  --danger-bg:     #200A0A;
  --grad:          linear-gradient(135deg,#C9A227 0%,#A07810 100%);
  --grad-hero:     linear-gradient(135deg,#09090B 0%,#0F0E08 50%,#111116 100%);
  --sh-sm:  0 1px 3px rgba(0,0,0,.5);
  --sh-md:  0 4px 6px rgba(0,0,0,.5);
  --sh-lg:  0 10px 15px rgba(0,0,0,.6);
  --sh-xl:  0 20px 25px rgba(0,0,0,.6);
  --sh-purple: 0 8px 30px rgba(201,162,39,.28);
}

/* ── Global ── */
[data-theme="dark"] body { background:var(--bg); color:var(--text); }

/* ── Header ── */
[data-theme="dark"] .header { background:rgba(9,9,11,.95); border-bottom-color:var(--border); }
[data-theme="dark"] .mobile-nav { background:#09090B; border-bottom-color:var(--border); }
[data-theme="dark"] .mobile-nav a:hover { background:var(--primary-50); }
[data-theme="dark"] .lang-btn { background:transparent; border-color:var(--border); color:var(--text-2); }

/* ── Hero ── */
[data-theme="dark"] .hero::before { background:radial-gradient(circle,rgba(201,162,39,.1) 0%,transparent 70%); }
[data-theme="dark"] .hero-btn-std { background:#1A1A24; color:var(--text); border-color:var(--border); box-shadow:var(--sh-lg); }
[data-theme="dark"] .stat { background:rgba(201,162,39,.06); border-color:rgba(201,162,39,.15); }
[data-theme="dark"] .stat-v { color:var(--primary); }

/* ── Chat mockup ── */
[data-theme="dark"] .chat-mockup { background:#111118; border-color:var(--border); }
[data-theme="dark"] .msg.bot .bubble { background:#1C1C28; color:var(--text); }
[data-theme="dark"] .typing-dots { background:#1C1C28; }

/* ── Cards (feat, price, prod, cart item) ── */
[data-theme="dark"] .feat-card,
[data-theme="dark"] .price-card,
[data-theme="dark"] .prod-card,
[data-theme="dark"] .order-card,
[data-theme="dark"] .summary,
[data-theme="dark"] .cart-item,
[data-theme="dark"] .notice-box,
[data-theme="dark"] .related-card { background:#111118; border-color:var(--border); }
[data-theme="dark"] .related-card:hover { background:var(--primary-50); border-color:var(--primary-200); }

/* ── Forms ── */
[data-theme="dark"] .finput,
[data-theme="dark"] .fselect,
[data-theme="dark"] .ftextarea { background:#1A1A24; border-color:var(--border); color:var(--text); }
[data-theme="dark"] .finput::placeholder,
[data-theme="dark"] .ftextarea::placeholder { color:var(--text-muted); }
[data-theme="dark"] .finput:focus,
[data-theme="dark"] .fselect:focus,
[data-theme="dark"] .ftextarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(201,162,39,.15); }

/* ── Tables ── */
[data-theme="dark"] .qtable { background:#111118; }
[data-theme="dark"] .qtable tbody tr:hover { background:var(--primary-50); }
[data-theme="dark"] .qtable tbody td { border-bottom-color:var(--border); }

/* ── Misc components ── */
[data-theme="dark"] .acc-mockup { background:#1A1A24; border-color:var(--border); }
[data-theme="dark"] .bank-info { background:#1A1A24; }
[data-theme="dark"] .bank-row { border-bottom-color:var(--border); }
[data-theme="dark"] .faq-q { background:#1A1A24; color:var(--text); }
[data-theme="dark"] .faq-q:hover,[data-theme="dark"] .faq-q.open { background:var(--primary-50); color:var(--primary-light); }
[data-theme="dark"] .faq-a { background:var(--primary-50); color:var(--text-2); }
[data-theme="dark"] .contact-card { background:#1A1A24; border-color:var(--border); }
[data-theme="dark"] .qr-box { background:#1A1A24; border-color:var(--border); }
[data-theme="dark"] .chip-item { background:#1A1A24; border-color:var(--border); }
[data-theme="dark"] .trust-badge { background:#1A1A24; }
[data-theme="dark"] .info-box { background:#1A1A24; }
[data-theme="dark"] .modal { background:#111118; }
[data-theme="dark"] .modal-close { background:#1A1A24; color:var(--text); }
[data-theme="dark"] .modal-close:hover { background:var(--border); }
[data-theme="dark"] .modal-overlay { background:rgba(0,0,0,.75); }
[data-theme="dark"] .modal-pkg { background:var(--primary-50); border-color:var(--primary-200); }
[data-theme="dark"] .tab-btn { color:var(--text-2); }
[data-theme="dark"] .tab-list { border-bottom-color:var(--border); }
[data-theme="dark"] .ctab { background:transparent; border-color:var(--border); color:var(--text-2); }
[data-theme="dark"] .page-header { background:#09090B; border-bottom-color:var(--border); }
[data-theme="dark"] .sum-row { border-bottom-color:var(--border); }

/* Gold shimmer on featured elements */
[data-theme="dark"] .price-card.featured,
[data-theme="dark"] .order-card.featured,
[data-theme="dark"] .prod-card.featured {
  border-color:var(--primary);
  box-shadow:0 0 0 1px rgba(201,162,39,.2), 0 8px 30px rgba(201,162,39,.12);
}

/* ── Dark footer accent ── */
[data-theme="dark"] .footer { background:#000; }

/* ── Toast dark mode ── */
[data-theme="dark"] .toast { background:#1A1A24; color:var(--text); box-shadow:0 8px 32px rgba(0,0,0,.6); }

/* ── Marquee in dark ── */
[data-theme="dark"] .marquee-wrap { background:linear-gradient(90deg,#1A1200,#2A1E00,#1A1200); }

/* ── Notice section dark ── */
[data-theme="dark"] .notice-section { background:#0F0C02; border-top-color:var(--warning); }

/* ── Theme toggle button ── */
.theme-btn {
  width:36px; height:36px; border-radius:50%;
  border:1.5px solid var(--border);
  background:var(--bg-2);
  font-size:17px; cursor:pointer; line-height:1;
  display:flex; align-items:center; justify-content:center;
  transition:all var(--tr); flex-shrink:0;
}
.theme-btn:hover { border-color:var(--primary); transform:rotate(20deg) scale(1.1); }

/* ── Scrollbar dark ── */
[data-theme="dark"] ::-webkit-scrollbar { width:8px; height:8px; }
[data-theme="dark"] ::-webkit-scrollbar-track { background:#111118; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background:#362A10; border-radius:4px; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background:#C9A227; }