:root{
  --ink:#1d1d1f; --fog:#f5f5f7; --white:#fff; --graphite:#6e6e73; --slate:#86868b;
  --ash:#e8e8ed; --blue:#0071e3; --link:#0066cc;
  --display:'Inter Tight',system-ui,-apple-system,"Segoe UI",sans-serif;
  --text:'Inter',system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-card:24px; --r-pill:980px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--text);font-size:17px;line-height:1.5;letter-spacing:-.014em;color:var(--ink);background:var(--fog);-webkit-font-smoothing:antialiased}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:var(--text);cursor:pointer;border:none;background:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;color:var(--ink)}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px}

.topbar{position:sticky;top:0;z-index:50;height:52px;background:rgba(29,29,31,.85);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}
.topbar .inner{max-width:1100px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 22px}
.topbar .brand{font-family:var(--display);font-weight:700;font-size:18px;color:var(--fog)}
.topbar .tnav{display:flex;gap:20px;align-items:center}
.topbar .tnav a{font-size:13px;color:var(--fog);opacity:.85}
.topbar .tnav a:hover{opacity:1}

.crumb{font-size:13px;color:var(--slate);padding:18px 0 0}
.crumb a{color:var(--slate)}
.crumb a:hover{color:var(--ink)}

.product{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:24px 0 40px;align-items:start}
.gallery .main{background:var(--white);border-radius:var(--r-card);overflow:hidden;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.gallery .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery .thumb{width:64px;height:64px;border-radius:14px;overflow:hidden;border:2px solid transparent;cursor:pointer;background:var(--white);padding:0}
.gallery .thumb.active{border-color:var(--blue)}
.gallery .thumb img{width:100%;height:100%;object-fit:cover}

.info .chip{display:inline-block;background:var(--ash);border-radius:999px;padding:5px 13px;font-size:12px;font-weight:500;margin-bottom:14px}
.info h1{font-size:clamp(30px,4.5vw,44px);line-height:1.05;letter-spacing:-.02em}
.info .sub{color:var(--graphite);font-size:18px;margin-top:6px}
.rating{display:flex;align-items:center;gap:8px;margin:14px 0;font-size:14px;color:var(--graphite)}
.rating .stars{color:#f5a623;letter-spacing:1.5px}
.price{font-family:var(--display);font-weight:600;font-size:28px;margin:8px 0 2px}
.lead{color:#3a3a3c;margin:14px 0 18px}
.variant{font-size:14px;color:var(--graphite);margin-bottom:18px}
.variant b{color:var(--ink);font-weight:600}
.swatches{display:flex;gap:10px;margin:12px 0 18px}
.sw{width:30px;height:30px;border-radius:50%;border:2px solid rgba(0,0,0,.12);cursor:pointer;padding:0;transition:transform .15s}
.sw.selected{box-shadow:0 0 0 2px var(--white),0 0 0 4px var(--blue)}
.sw:hover{transform:scale(1.08)}
.features{list-style:none;margin:18px 0;border-top:1px solid var(--ash)}
.features li{padding:13px 0;border-bottom:1px solid var(--ash);font-size:15px}
.features li strong{font-weight:600}
.features li span{color:var(--graphite)}
.buy{display:block;width:100%;background:var(--blue);color:#fff;font-size:18px;font-weight:500;border-radius:14px;padding:16px;text-align:center;transition:opacity .2s,transform .1s;margin-top:8px}
.buy:hover{opacity:.9}.buy:active{transform:scale(.99)}
.trust{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:center;font-size:13px;color:var(--graphite);margin-top:14px}
.secure{text-align:center;font-size:12px;color:var(--slate);margin-top:8px}

section.block{padding:46px 0;border-top:1px solid var(--ash)}
section.block h2{font-size:clamp(24px,3.5vw,32px);letter-spacing:-.02em;margin-bottom:24px}
.benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.benefit{background:var(--white);border-radius:18px;padding:22px}
.benefit h3{font-size:17px;margin-bottom:6px}
.benefit p{font-size:15px;color:var(--graphite)}

.rv-summary{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.rv-big{font-family:var(--display);font-weight:600;font-size:40px;line-height:1}
.rv-stars{color:#f5a623;letter-spacing:2px;font-size:18px}
.rv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rv-card{background:var(--white);border-radius:18px;padding:20px}
.rv-top{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.rv-name{font-weight:600;font-size:14px}
.rv-vbadge{font-size:11px;color:#0f6e56;background:#e1f5ee;border-radius:999px;padding:2px 8px}
.rv-date{color:var(--slate);font-size:12px;margin-left:auto}
.rv-stars-sm{color:#f5a623;font-size:13px;letter-spacing:1px}
.rv-title{font-weight:600;font-size:15px;margin:4px 0}
.rv-body{font-size:14px;color:#3a3a3c}

.faq dt{font-weight:600;font-size:16px;margin-top:18px}
.faq dd{color:var(--graphite);font-size:15px;margin-top:6px}

footer{border-top:1px solid var(--ash);padding:40px 0;margin-top:20px}
footer .fnav{display:flex;flex-wrap:wrap;gap:18px;font-size:14px}
footer a{color:var(--graphite)}
footer a:hover{color:var(--ink)}
footer .legal{color:var(--slate);font-size:12px;margin-top:18px}

@media(max-width:820px){
  .product{grid-template-columns:1fr;gap:26px}
  .benefits,.rv-grid{grid-template-columns:1fr}
}