:root{--p1:#3aa0ff;--p2:#9b6cff;--bg:#f4f6f9;--muted:#999;--text:#555;--max:1200px;--ease:cubic-bezier(.2,.9,.3,1)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#555;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);-webkit-font-smoothing:antialiased;line-height:1.6}
.container{max-width:var(--max);width:92%;margin:0 auto}
.text-center{text-align:center}

/* Header */
.topbar{background:linear-gradient(90deg,var(--p1),var(--p2));position:sticky;top:0;z-index:200;box-shadow:0 2px 10px rgba(0,0,0,0.1)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brand{color:#fff;font-weight:700;font-size:18px;letter-spacing:1px}
.nav{display:flex;gap:20px}
.nav-item{color:#fff;text-decoration:none;font-size:13px;padding:8px 12px;transition:opacity 0.3s;font-weight:500}
.nav-item:hover{opacity:0.8}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:60px 0;background:#f8f8f8}
.hero-inner{display:flex;gap:60px;align-items:center;padding:40px 0}
.hero-left{flex:1;max-width:46%}
.title{font-size:48px;margin:0 0 16px;color:#555;font-weight:700;line-height:1.2}
.subtitle{color:#aaa;margin:0 0 24px;font-size:13px;letter-spacing:1px;text-transform:uppercase;font-weight:400}
.cta{display:flex;gap:12px}
.btn-outline{padding:12px 32px;border-radius:4px;border:2px solid var(--p1);background:transparent;color:var(--p1);font-size:13px;font-weight:600;cursor:pointer;transition:all 0.3s;text-transform:uppercase;letter-spacing:1px}
.btn-outline:hover{background:var(--p1);color:#fff}
.btn{padding:10px 16px;border-radius:8px;border:none;background:#2b6fd6;color:#fff;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid rgba(0,0,0,0.06);color:#111}

.hero-right{flex:1;display:flex;justify-content:center}
.product-stage{width:100%;max-width:980px;height:500px;position:relative;perspective:1600px}
.product{width:860px;height:300px;border-radius:20px;overflow:hidden;display:flex;align-items:center;justify-content:center;transform-style:preserve-3d;transition:transform 600ms var(--ease);margin:0 auto}
.product-img{width:100%;height:100%;object-fit:cover;display:block;background:#e0e0e0}
.product-shadow{position:absolute;left:50%;transform:translateX(-50%);bottom:36px;width:520px;height:48px;border-radius:999px;background:radial-gradient(ellipse at center, rgba(10,12,20,0.2), rgba(10,12,20,0.03));filter:blur(26px);opacity:0}
.product-reflection{position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:72%;height:80px;background:linear-gradient(180deg,rgba(255,255,255,0.22), rgba(255,255,255,0.02));filter:blur(10px);opacity:.18}
.specular{position:absolute;width:40%;height:60%;right:6%;top:12%;pointer-events:none;border-radius:60px;background:radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), rgba(255,255,255,0.05));opacity:0}
.carousel-indicators{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.indicator{width:32px;height:32px;background:rgba(100,100,100,0.6);color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer;transition:all 0.3s}
.indicator.active{background:var(--p1)}

/* entrance */
@keyframes heroIn{0%{transform:translateY(140px) scale(.86);opacity:0}60%{transform:translateY(-14px) scale(1.04);opacity:1}85%{transform:translateY(8px) scale(.99)}100%{transform:translateY(0) scale(1)}}
.product.entered{animation:heroIn 1100ms cubic-bezier(.2,.9,.25,1) forwards}
body.loaded .product-shadow{opacity:1}

/* sections */
.strip{height:64px;background:#fff}
.section-title{font-size:36px;color:var(--p1);font-weight:700;margin:0 0 24px}
.section-title.center{text-align:center;margin-bottom:40px}
.section-title.white{color:#fff}

/* About Section */
.about-section{padding:80px 0;background:#f4f4f4}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-media{border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.08)}
.about-img{width:100%;height:auto;display:block}
.about-text{padding:0 20px}
.about-description{color:var(--text);line-height:1.8;margin:0 0 24px;font-size:15px}

/* Products Section */
.products-section{padding:80px 0;background:#fff}
.product-tabs{display:flex;justify-content:center;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.tab-btn{padding:10px 20px;border:none;background:transparent;color:var(--text);font-size:13px;cursor:pointer;transition:all 0.3s;font-weight:500;border-bottom:2px solid transparent;text-transform:uppercase;letter-spacing:0.5px}
.tab-btn.active,.tab-btn:hover{color:var(--p1);border-bottom-color:var(--p1)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:40px}
.product-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 15px rgba(0,0,0,0.08);transition:transform 0.3s,box-shadow 0.3s;transform:translateY(20px);opacity:0}
.product-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,0,0,0.12)}
.product-card-media{height:250px;background-size:cover;background-position:center;background-color:#f5f5f5}
.product-card-title{padding:20px;margin:0;font-size:15px;color:var(--text);font-weight:400;text-align:center;line-height:1.4}

/* Why Choose Section */
.why-choose-section{padding:80px 0;background:#fff}
.why-choose-grid{display:flex;flex-direction:column;gap:60px;margin-top:40px}
.why-choose-item{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:#f9f9f9;padding:50px;border-radius:8px;box-shadow:0 2px 15px rgba(0,0,0,0.05)}
.why-choose-media img{width:100%;height:auto;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,0.1)}
.why-choose-title{font-size:32px;color:#555;margin:0 0 20px;font-weight:600}
.why-choose-list{list-style:none;padding:0;margin:0;color:var(--text);line-height:2;font-size:15px}
.why-choose-list li{position:relative;padding-left:0}

/* Wholesale Section */
.wholesale-section{background:linear-gradient(135deg,#4fa8ff 0%,#6bb6ff 100%);padding:100px 0;position:relative;overflow:hidden}
.wholesale-inner{text-align:center;position:relative;z-index:2}
.paper-plane{position:absolute;width:200px;height:200px;left:10%;top:50%;transform:translateY(-50%);opacity:0.2;background-image:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/></svg>');background-size:contain;background-repeat:no-repeat}
.wholesale-text{color:#fff;font-size:18px;margin:20px 0 0}
.wholesale-email{color:#fff200;text-decoration:none;font-weight:600}
.wholesale-email:hover{text-decoration:underline}
.reveal{opacity:0;transform:translateY(18px);transition:all 700ms var(--ease)}
.reveal.visible{opacity:1;transform:none}
.site-footer{padding:36px 0;text-align:center;color:var(--muted);background:#fff;border-top:1px solid #eee}

@media (max-width:980px){
  .hero-inner{flex-direction:column-reverse}
  .hero-left{max-width:100%;text-align:center}
  .title{font-size:32px}
  .about-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .why-choose-item{grid-template-columns:1fr}
  .why-choose-media{order:1}
  .why-choose-text{order:2}
}

@media (max-width:640px){
  .product-grid{grid-template-columns:1fr}
  .product-tabs{flex-direction:column;align-items:center}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}