@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ===== THEME VARIABLES ===== */
:root {
  --font-main: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --header-height: 68px;
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s ease;
}

/* DARK (default) */
[data-theme="dark"] {
  --bg-body: #06080f;
  --bg-surface: #0d1117;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --bg-header: rgba(6,8,15,0.88);
  --accent: #00d4ff;
  --accent2: #8b5cf6;
  --accent3: #a855f7;
  --gradient: linear-gradient(135deg, #00d4ff, #8b5cf6);
  --gradient-subtle: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(139,92,246,0.08));
  --text-h: #f0f4ff;
  --text-p: #94a3b8;
  --text-muted: #4b5563;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(0,212,255,0.3);
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(0,212,255,0.1);
  --tag-bg: rgba(0,212,255,0.08);
  --tag-border: rgba(0,212,255,0.2);
  --hero-overlay: linear-gradient(180deg, rgba(6,8,15,0.2) 0%, var(--bg-body) 92%);
}

/* LIGHT */
[data-theme="light"] {
  --bg-body: #f5f7fb;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f4ff;
  --bg-header: rgba(255,255,255,0.9);
  --accent: #2563eb;
  --accent2: #7c3aed;
  --accent3: #9333ea;
  --gradient: linear-gradient(135deg, #2563eb, #7c3aed);
  --gradient-subtle: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(124,58,237,0.06));
  --text-h: #0f172a;
  --text-p: #475569;
  --text-muted: #94a3b8;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(37,99,235,0.3);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.08);
  --tag-bg: rgba(37,99,235,0.06);
  --tag-border: rgba(37,99,235,0.15);
  --hero-overlay: linear-gradient(180deg, rgba(245,247,251,0.15) 0%, var(--bg-body) 92%);
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-p);line-height:1.6;overflow-x:hidden;transition:background var(--transition),color var(--transition)}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg-body)}
::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}

/* ===== LAYOUT ===== */
.page-wrapper{max-width:var(--max-width);margin:0 auto;position:relative}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:80px 0;position:relative}
.section-title{font-size:2.2rem;font-weight:800;text-align:center;margin-bottom:12px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.3}
.section-sub{text-align:center;color:var(--text-p);font-size:1rem;margin-bottom:48px;max-width:540px;margin-left:auto;margin-right:auto;line-height:1.7}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-family:var(--font-main);font-weight:600;font-size:.92rem;border:none;cursor:pointer;transition:all var(--transition);text-decoration:none;white-space:nowrap;flex-shrink:0}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 20px rgba(0,212,255,0.2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(0,212,255,0.35)}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--border-hover)}
.btn-outline:hover{background:var(--tag-bg);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:.85rem}
.btn-lg{padding:14px 32px;font-size:1rem}

/* ===== CARD ===== */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all .4s ease;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:opacity .4s}
.card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.card:hover::before{opacity:1}

/* ===== BADGE ===== */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.badge-hot{background:rgba(239,68,68,.12);color:#ef4444;border:1px solid rgba(239,68,68,.25)}
.badge-new{background:rgba(16,185,129,.12);color:#10b981;border:1px solid rgba(16,185,129,.25)}
.badge-sale{background:rgba(245,158,11,.12);color:#f59e0b;border:1px solid rgba(245,158,11,.25)}
.badge-ai{background:rgba(139,92,246,.12);color:#8b5cf6;border:1px solid rgba(139,92,246,.25)}

/* ===== HEADER ===== */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);z-index:1000;transition:all var(--transition);border-bottom:1px solid transparent}
.header.scrolled{background:var(--bg-header);backdrop-filter:blur(20px);border-bottom-color:var(--border)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;color:var(--text-h);text-decoration:none}
.logo img{width:36px;height:36px;border-radius:10px;object-fit:cover}
.logo-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--text-p);font-weight:500;font-size:.88rem;position:relative;padding:4px 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--gradient);transition:width .3s;border-radius:1px}
.nav-links a:hover,.nav-links a.active{color:var(--text-h)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px}

/* Theme Toggle */
.theme-toggle{width:44px;height:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;cursor:pointer;position:relative;transition:all var(--transition);display:flex;align-items:center;padding:2px}
.theme-toggle::after{content:'';width:18px;height:18px;border-radius:50%;background:var(--gradient);transition:transform .3s;box-shadow:0 1px 4px rgba(0,0,0,.2)}
[data-theme="light"] .theme-toggle::after{transform:translateX(20px)}
.theme-icon{position:absolute;font-size:.7rem;top:50%;transform:translateY(-50%)}
.theme-icon-sun{left:4px}
.theme-icon-moon{right:4px}

.mobile-toggle{display:none;background:none;border:none;color:var(--text-h);font-size:1.5rem;cursor:pointer}

/* ===== MOBILE MENU ===== */
.mobile-menu{display:none;position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:var(--bg-body);z-index:999;padding:24px;flex-direction:column;gap:4px;overflow-y:auto}
.mobile-menu.open{display:flex}
.mobile-menu a{display:block;padding:14px 16px;color:var(--text-p);font-size:1rem;font-weight:500;border-radius:var(--radius-sm);transition:all var(--transition)}
.mobile-menu a:hover{background:var(--tag-bg);color:var(--accent)}

/* ===== HERO ===== */
.hero{padding:calc(var(--header-height) + 80px) 0 80px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.2}
[data-theme="light"] .hero-bg img{opacity:.08}
.hero-bg::after{content:'';position:absolute;inset:0;background:var(--hero-overlay)}
.hero-orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.3;animation:orbFloat 10s ease-in-out infinite}
.hero-orb-1{width:400px;height:400px;background:var(--accent);top:5%;left:-8%}
.hero-orb-2{width:350px;height:350px;background:var(--accent2);bottom:15%;right:-5%;animation-delay:-4s}
@keyframes orbFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-40px) scale(1.05)}}

.hero-content{position:relative;z-index:1;text-align:center;max-width:750px;margin:0 auto}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:var(--tag-bg);border:1px solid var(--tag-border);border-radius:30px;font-size:.85rem;color:var(--accent);margin-bottom:20px;font-weight:500}
.hero-tag .pulse{width:8px;height:8px;background:#10b981;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.4)}}

.hero h1{font-size:3.5rem;font-weight:900;line-height:1.4;margin-bottom:24px;color:var(--text-h);letter-spacing:-.5px}
.hero h1 .glow{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.15rem;color:var(--text-p);margin-bottom:32px;line-height:1.85}
.hero-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}
.stat{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all .3s ease}
.stat:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.stat-icon{width:48px;height:48px;border-radius:12px;background:var(--gradient-subtle);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}
.stat-icon svg{width:22px;height:22px}
.stat-info{text-align:left;min-width:0}
.stat .num{font-size:1.5rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.stat .lbl{font-size:.8rem;color:var(--text-muted);margin-top:2px;white-space:nowrap;font-weight:500}

/* ===== PRODUCTS ===== */
.filter-bar{display:flex;justify-content:center;gap:8px;margin-bottom:40px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.filter-btn{padding:8px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:30px;color:var(--text-p);font-family:var(--font-main);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition);white-space:nowrap;flex-shrink:0}
.filter-btn:hover,.filter-btn.active{background:var(--tag-bg);border-color:var(--accent);color:var(--accent)}

.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.product-card{padding:0}
.product-card .p-head{padding:22px 22px 14px;display:flex;align-items:flex-start;justify-content:space-between}
.p-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--bg-card);border:1px solid var(--border)}
.p-icon img{width:32px;height:32px;object-fit:contain;border-radius:4px}
.c-icon{width:22px;height:22px;display:flex;align-items:center;justify-content:center}
.c-icon img{width:22px;height:22px;object-fit:contain;border-radius:3px}
.product-card .p-body{padding:0 22px 20px}
.product-card h3{font-size:1.1rem;font-weight:700;color:var(--text-h);margin-bottom:6px}
.product-card .desc{font-size:.85rem;color:var(--text-p);margin-bottom:14px;line-height:1.6}
.p-features{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.p-features li{display:flex;align-items:center;gap:9px;font-size:.85rem;color:var(--text-p)}
.p-features .ck{color:#10b981;font-weight:700}
.product-card .p-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--gradient-subtle)}
.price-wrap{display:flex;flex-direction:row;align-items:center;gap:10px;flex-wrap:wrap}
.old-price{font-size:.85rem;color:var(--text-muted);text-decoration:line-through;font-weight:500}
.price{font-size:1.2rem;font-weight:800;color:var(--accent)}
.price .unit{font-size:.75rem;font-weight:500;color:var(--text-muted)}

/* ===== FEATURES ===== */
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.feature-card{text-align:center;padding:32px 22px}
.f-icon{width:60px;height:60px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:1.5rem;background:var(--gradient-subtle);border:1px solid var(--border)}
.feature-card h3{font-size:1rem;font-weight:700;color:var(--text-h);margin-bottom:8px}
.feature-card p{font-size:.85rem;color:var(--text-p);line-height:1.65}

/* ===== SCROLL REVIEWS ===== */
.scroll-track{display:flex;gap:20px;overflow-x:auto;padding:0 24px 16px;cursor:grab;-webkit-overflow-scrolling:touch;scroll-behavior:auto}
.scroll-track:active{cursor:grabbing}
.scroll-track::-webkit-scrollbar{height:6px}
.scroll-track::-webkit-scrollbar-track{background:transparent}
.scroll-track::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}
.scroll-track::-webkit-scrollbar-thumb:hover{background:var(--accent)}

.m-card{flex-shrink:0;width:300px;padding:20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color .3s;user-select:none}
.m-card:hover{border-color:var(--border-hover)}
.m-card .stars{color:#f59e0b;font-size:.8rem;margin-bottom:10px;letter-spacing:1px}
.m-card .txt{font-size:.84rem;color:var(--text-p);line-height:1.65;margin-bottom:14px;font-style:italic;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.m-card .m-user{display:flex;align-items:center;gap:10px}
.m-card .m-avatar{width:34px;height:34px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem;color:#fff;flex-shrink:0}
.m-card .m-name{font-weight:600;font-size:.82rem;color:var(--text-h)}
.m-card .m-role{font-size:.72rem;color:var(--text-muted)}

/* ===== FAQ ===== */
.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--transition)}
.faq-item.active{border-color:var(--border-hover)}
.faq-q{width:100%;padding:16px 22px;display:flex;align-items:center;justify-content:space-between;background:none;border:none;color:var(--text-h);font-family:var(--font-main);font-size:.92rem;font-weight:600;cursor:pointer;text-align:left}
.faq-q .ico{font-size:1.1rem;transition:transform .3s;color:var(--accent)}
.faq-item.active .faq-q .ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-inner{padding:0 22px 16px;font-size:.88rem;color:var(--text-p);line-height:1.7}

/* ===== CTA ===== */
.cta-box{text-align:center;background:var(--gradient-subtle);border:1px solid var(--border);border-radius:var(--radius-xl);padding:56px 36px;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(139,92,246,0.05) 0%,transparent 50%);animation:spin 25s linear infinite}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.cta-box h2{font-size:1.8rem;font-weight:800;color:var(--text-h);margin-bottom:10px;position:relative}
.cta-box>p{color:var(--text-p);margin-bottom:28px;position:relative}
.contact-icons{display:flex;justify-content:center;gap:32px;position:relative;margin-top:0}
.contact-icon-link{display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;transition:all .3s ease}
.contact-icon-link img{width:56px;height:56px;object-fit:contain;border-radius:14px;padding:12px;background:var(--bg-card);border:1px solid var(--border);transition:all .3s ease}
.contact-icon-link span{font-size:.8rem;font-weight:600;color:var(--text-p);transition:color .3s}
.contact-icon-link:hover img{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,212,255,0.2)}
.contact-icon-link:hover span{color:var(--accent)}

/* QR Section */
.qr-section{display:flex;justify-content:center;margin-top:32px;position:relative}
.qr-card{display:flex;align-items:center;gap:20px;padding:20px 28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.qr-card img{width:120px;height:120px;border-radius:var(--radius-sm);border:2px solid var(--border)}
.qr-card .qr-text h4{font-size:.95rem;font-weight:700;color:var(--text-h);margin-bottom:4px}
.qr-card .qr-text p{font-size:.82rem;color:var(--text-p);line-height:1.5}

/* ===== FOOTER ===== */
.footer{padding:48px 0 20px;border-top:1px solid var(--border);margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-brand p{font-size:.85rem;color:var(--text-p);margin-top:10px;line-height:1.7}
.footer-social{display:flex;gap:8px;margin-top:14px}
.footer-social a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-p);transition:all var(--transition);font-size:.85rem;text-decoration:none}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.footer-col h4{font-size:.88rem;font-weight:700;color:var(--text-h);margin-bottom:14px}
.footer-col a{display:block;font-size:.82rem;color:var(--text-p);padding:4px 0;transition:color var(--transition)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-muted)}

/* ===== ANIMATIONS ===== */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.stagger .fade-up:nth-child(1){transition-delay:.05s}
.stagger .fade-up:nth-child(2){transition-delay:.1s}
.stagger .fade-up:nth-child(3){transition-delay:.15s}
.stagger .fade-up:nth-child(4){transition-delay:.2s}
.stagger .fade-up:nth-child(5){transition-delay:.25s}
.stagger .fade-up:nth-child(6){transition-delay:.3s}
.stagger .fade-up:nth-child(7){transition-delay:.35s}
.stagger .fade-up:nth-child(8){transition-delay:.4s}
.stagger .fade-up:nth-child(9){transition-delay:.45s}

/* ===== FLOATING CHAT ===== */
.floating-chat{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:14px}
.f-chat-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,0.3);transition:transform .3s ease;position:relative;text-decoration:none}
.f-chat-btn img{width:32px;height:32px;object-fit:contain}
.f-chat-btn.zalo{background:#0068ff}
.f-chat-btn.msg{background:linear-gradient(135deg,#00c6ff,#0072ff)}
.f-chat-btn:hover{transform:scale(1.1) translateY(-4px)}
.f-chat-btn::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid;animation:ripple 1.5s infinite;opacity:0;pointer-events:none}
.f-chat-btn.zalo::after{border-color:#0068ff}
.f-chat-btn.msg::after{border-color:#00c6ff}
@keyframes ripple{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.4);opacity:0}}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .nav-links,.nav-right .btn{display:none}
  .mobile-toggle{display:block}
  .page-wrapper{margin:calc(var(--header-height) + 16px) 12px 24px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow)}
  .container{padding:0 16px}
  .hero{padding:40px 0 36px;min-height:auto}
  .hero-content{padding:0}
  .hero-tag{padding:6px 14px;font-size:.78rem;margin-bottom:16px}
  .hero h1{font-size:2.2rem;margin-bottom:20px;line-height:1.45}
  .hero p{font-size:.9rem;margin-bottom:28px;line-height:1.8}
  .floating-chat{bottom:16px;right:16px;gap:10px}
  .f-chat-btn{width:48px;height:48px}
  .f-chat-btn img,.f-chat-btn svg{width:26px;height:26px}
  .hero-btns{display:flex;flex-wrap:nowrap;gap:8px;width:100%}
  .hero-btns .btn-lg{padding:12px 10px;font-size:.85rem;flex:1;justify-content:center;white-space:nowrap}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px;padding-top:16px}
  .stat{padding:12px 10px;gap:10px}
  .stat-icon{width:38px;height:38px;border-radius:10px}
  .stat-icon svg{width:18px;height:18px}
  .stat .num{font-size:1.15rem}
  .stat .lbl{font-size:.72rem;white-space:nowrap}
  .section{padding:48px 0}
  .section-title{font-size:1.5rem;margin-bottom:10px;line-height:1.3}
  .section-sub{font-size:.88rem;margin-bottom:32px;line-height:1.65}
  .products-grid{grid-template-columns:1fr;gap:16px}
  .features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  .feature-card{padding:16px 12px}
  .f-icon{width:42px;height:42px;margin-bottom:10px;font-size:1.1rem}
  .feature-card h3{font-size:.85rem;margin-bottom:6px;line-height:1.3}
  .feature-card p{font-size:.75rem;line-height:1.5}
  .scroll-track{padding:0 16px 16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
  .cta-box{padding:32px 16px;border-radius:var(--radius-lg)}
  .cta-box h2{font-size:1.4rem}
  .contact-icons{display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;justify-content:center!important;align-items:center!important;gap:20px!important;width:100%}
  .contact-icon-link{width:auto!important;flex:none!important;display:flex;flex-direction:column;align-items:center}
  .contact-icon-link img{width:50px!important;height:50px!important;padding:10px!important;border-radius:12px!important;background:var(--bg-card)!important;border:1px solid var(--border)!important}
  .qr-card{flex-direction:column;text-align:center;padding:16px}
  .qr-card img{width:100px;height:100px}
  .faq-q{padding:14px 16px;font-size:.85rem}
  .faq-a-inner{padding:0 16px 14px;font-size:.82rem}
  .filter-bar{gap:6px;margin-bottom:24px;justify-content:flex-start;padding:0 4px 8px}
  .filter-btn{padding:7px 16px;font-size:.8rem}
  .footer{padding:32px 0 16px;margin-top:0;border-top:1px solid var(--border)}
}
@media(max-width:380px){
  .hero h1{font-size:1.85rem}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:8px}
  .stat{padding:10px 8px;gap:8px}
  .stat-icon{width:34px;height:34px;border-radius:8px}
  .stat-icon svg{width:16px;height:16px}
  .stat .num{font-size:1.05rem}
  .stat .lbl{font-size:.68rem}
  .features-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .feature-card{padding:12px 10px}
  .f-icon{width:36px;height:36px;margin-bottom:8px;font-size:1rem}
  .feature-card h3{font-size:.8rem;margin-bottom:4px}
  .feature-card p{font-size:.7rem;line-height:1.4}
  .footer-grid{grid-template-columns:1fr}
  .filter-bar{gap:6px;justify-content:flex-start}
  .filter-btn{padding:6px 14px;font-size:.78rem}
}

/* ===== CHECKOUT MODAL ===== */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(5px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; opacity: 0; visibility: hidden; transition: 0.3s;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 30px; width: 90%; max-width: 400px;
  position: relative; transform: translateY(20px); transition: 0.3s;
}
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-close {
  position: absolute; top: 15px; right: 15px; background: none; border: none;
  font-size: 1.8rem; color: var(--text-muted); cursor: pointer; line-height:1;
}
.modal-close:hover { color: var(--text); }
input#customerPhone:focus { border-color: var(--primary) !important; }