*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:#f5f5f5;color:#222;max-width:480px;margin:0 auto;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}

/* HEADER */
.h-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#fff;box-shadow:0 1px 8px rgba(0,0,0,.06)}
.h-header-left{display:flex;align-items:center;gap:10px}
.h-logo-img{width:34px;height:34px;border-radius:50%;border:2px solid #ee4d2d;object-fit:cover}
.h-logo-text{font-size:15px;font-weight:800;color:#ee4d2d}
.h-header-zalo{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#0068ff,#0055d4);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .2s}
.h-header-zalo:hover{transform:scale(1.1)}

/* HERO */
.h-hero{position:relative;text-align:center;padding:40px 20px 30px;background:linear-gradient(135deg,#fff5f2 0%,#ffe8e0 50%,#ffd6cc 100%);overflow:hidden}
.h-hero-bg{position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:300px;height:300px;background:radial-gradient(circle,rgba(238,77,45,.12) 0%,transparent 70%);pointer-events:none}
.h-avatar{width:90px;height:90px;border-radius:50%;border:3px solid #ee4d2d;margin:0 auto 14px;box-shadow:0 6px 24px rgba(238,77,45,.2);position:relative;z-index:1;animation:avatar-float 3s ease-in-out infinite;object-fit:cover}
@keyframes avatar-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.h-brand-name{font-size:22px;font-weight:900;color:#c0392b;margin-bottom:6px;position:relative;z-index:1}
.h-tagline{font-size:13px;color:#777;margin-bottom:20px;line-height:1.5;position:relative;z-index:1}
.h-stats{display:flex;align-items:center;justify-content:center;gap:0;background:#fff;border-radius:14px;padding:14px 8px;box-shadow:0 4px 16px rgba(0,0,0,.06);position:relative;z-index:1}
.h-stat{text-align:center;flex:1}
.h-stat-val{display:block;font-size:18px;font-weight:800;color:#ee4d2d}
.h-stat-label{display:block;font-size:11px;color:#999;margin-top:2px}
.h-stat-sep{width:1px;height:30px;background:#eee;flex-shrink:0}

/* VIDEO */
.h-video-section{padding:20px 16px 12px}
.h-video-section h2{font-size:15px;font-weight:700;color:#333;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.h-video-section h2 i{color:#ee4d2d;font-size:16px}
.h-video-wrap{position:relative;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 4px 20px rgba(0,0,0,.1);cursor:pointer}
.h-video-poster{width:100%;height:100%;object-fit:contain;background:#fff}
.h-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;background:rgba(238,77,45,.85);border:3px solid #fff;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 4px 20px rgba(238,77,45,.4)}
.h-play-btn:hover{background:#ee4d2d;transform:translate(-50%,-50%) scale(1.1)}

/* TRUST */
.h-trust{padding:16px;display:flex;flex-direction:column;gap:8px}
.h-trust-item{display:flex;align-items:center;gap:10px;background:#fff;padding:12px 14px;border-radius:12px;font-size:13px;color:#555;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.h-trust-item i{color:#ee4d2d;font-size:16px;width:20px;text-align:center}

/* SOCIAL */
.h-social{display:flex;gap:10px;padding:0 16px 16px}
.h-social-card{flex:1;display:flex;align-items:center;gap:10px;padding:14px;border-radius:12px;color:#fff;transition:transform .2s;box-shadow:0 4px 16px rgba(0,0,0,.1)}
.h-social-card:hover{transform:translateY(-2px)}
.h-social-card i{font-size:20px}
.h-social-card div{display:flex;flex-direction:column}
.h-social-card strong{font-size:16px;font-weight:800}
.h-social-card span{font-size:11px;opacity:.8}
.h-social-fb{background:linear-gradient(135deg,#1877f2,#0d5ec7)}
.h-social-tt{background:linear-gradient(135deg,#111,#333)}

/* REVIEWS */
.h-reviews{padding:16px}
.h-reviews h2{font-size:15px;font-weight:700;color:#333;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.h-reviews h2 i{color:#ffce3d;font-size:16px}
.h-review-slider{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.h-review-slider::-webkit-scrollbar{display:none}
.h-review-slide{min-width:70%;scroll-snap-align:start;flex-shrink:0}
.h-review-slide img{border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,.08);max-height:400px;width:100%;object-fit:contain}

/* PRODUCTS */
.h-products{padding:16px}
.h-products h2{font-size:15px;font-weight:700;color:#333;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.h-products h2 i{color:#ee4d2d;font-size:16px}
.h-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* CARD */
.h-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 8px rgba(0,0,0,.06);transition:all .25s;position:relative;display:block}
.h-card:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(0,0,0,.1)}
.h-card:active{transform:scale(.98)}

/* Featured card - full width */
.h-card-featured{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;border:2px solid #ee4d2d;background:linear-gradient(135deg,#fff5f2,#fff)}
.h-card-featured .h-card-body h3{font-size:14px}

.h-card-badge{position:absolute;top:8px;left:8px;z-index:5;font-size:10px;font-weight:700;padding:4px 8px;border-radius:6px;color:#fff}
.h-badge-hot{background:linear-gradient(135deg,#ee4d2d,#d0011b)}
.h-badge-pop{background:linear-gradient(135deg,#6366f1,#8b5cf6)}
.h-card-img{position:relative;aspect-ratio:1/1;overflow:hidden;background:#f9f9f9}
.h-card-featured .h-card-img{aspect-ratio:auto}
.h-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.h-card:hover .h-card-img img{transform:scale(1.05)}
.h-card-body{padding:10px}
.h-card-body h3{font-size:12px;font-weight:600;color:#333;line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.h-card-price{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:4px}
.h-price-sale{font-size:14px;font-weight:700;color:#ee4d2d}
.h-price-old{font-size:11px;color:#999;text-decoration:line-through}
.h-price-disc{font-size:10px;background:#ffeee8;color:#ee4d2d;padding:1px 5px;border-radius:3px;font-weight:600}
.h-card-meta{font-size:11px;color:#999}
.h-card-meta i{color:#ffce3d;font-size:10px;margin-right:2px}

/* FOOTER */
.h-footer{text-align:center;padding:24px 20px 32px;background:#fff;margin-top:16px;border-top:1px solid #f0f0f0}
.h-footer-brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:8px}
.h-footer-brand img{width:28px;height:28px;border-radius:50%}
.h-footer-brand span{font-size:14px;font-weight:700;color:#333}
.h-footer p{font-size:12px;color:#999;margin-bottom:4px}
.h-footer a{color:#ee4d2d;font-weight:600}
.h-footer-links{display:flex;justify-content:center;gap:10px;margin:12px 0}
.h-footer-links a{width:36px;height:36px;border-radius:50%;background:#f5f5f5;display:flex;align-items:center;justify-content:center;color:#555;font-size:14px;transition:all .2s}
.h-footer-links a:hover{background:#ee4d2d;color:#fff}
.h-copyright{font-size:11px;color:#bbb;margin-top:8px}

/* Scroll animation */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.h-hero{animation:fadeUp .6s ease}
.h-trust{animation:fadeUp .6s ease .1s both}
.h-social{animation:fadeUp .6s ease .2s both}
.h-products{animation:fadeUp .6s ease .3s both}