:root{
  --color-primary:#6C757D;
  --color-secondary:#424447;
  --color-accent:#FF6B6B;
  --color-bg-accent:#E9ECEF;
  --color-bg:#FFFFFF;
  --color-text:#5A5D63;
  --radius:20px;
  --shadow:0 10px 30px rgba(0,0,0,0.08);
  --maxw:1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--color-bg);
  color:var(--color-text);
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
a:hover{opacity:.9}
img{max-width:100%;display:block}
.container{max-width:var(--maxw); margin:0 auto; padding:0 16px}
header.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--color-bg-accent);
}
.header-row{height:64px; display:flex; align-items:center; justify-content:space-between; gap:12px}
.logo{font-weight:800; color:var(--color-secondary)}
.nav{display:none; gap:18px; font-size:14px}
.nav a{padding:6px 0}
.header-cta{display:flex; gap:8px; align-items:center}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:14px; padding:10px 14px; font-weight:700; font-size:14px;
  border:1px solid transparent;
}
.btn-accent{background:var(--color-accent); color:#fff; box-shadow:var(--shadow)}
.btn-soft{background:var(--color-bg-accent); color:var(--color-secondary)}
.btn-outline{background:#fff; color:var(--color-secondary); border-color:var(--color-bg-accent)}
@media(min-width:1024px){ .nav{display:flex} .btn-whatsapp{display:inline-flex} }
.btn-whatsapp{display:none}

main{padding-bottom:72px}
.section{padding:48px 0}
.section-title{font-size:32px; font-weight:800; color:var(--color-secondary); margin:0 0 10px}
.section-sub{margin:0 0 22px; font-size:16px}
.grid{display:grid; gap:18px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media(min-width:768px){ .grid-2{grid-template-columns:1fr 1fr} .grid-3{grid-template-columns:repeat(3,1fr)} }
@media(min-width:1024px){ .grid-4{grid-template-columns:repeat(4,1fr)} }

.card{
  border-radius:var(--radius);
  background:var(--color-bg-accent);
  box-shadow:var(--shadow);
  padding:18px;
}
.hero{padding:56px 0}
.hero h1{font-size:42px; color:var(--color-secondary); margin:0; line-height:1.15}
.hero p{font-size:18px; margin:14px 0 0}
.hero .mini{margin-top:8px; font-weight:700; color:var(--color-secondary); font-size:14px}
.hero-actions{margin-top:22px; display:flex; flex-direction:column; gap:10px}
@media(min-width:640px){ .hero-actions{flex-direction:row} }

.media-box{border-radius:var(--radius); overflow:hidden; background:#fff}
.media-box img{width:100%; height:100%; object-fit:cover; aspect-ratio:16/10}
.kicker{font-size:12px; font-weight:800; color:var(--color-secondary)}
.h2{font-size:20px; font-weight:800; color:var(--color-secondary); margin:0}
.small{font-size:14px}

.tags{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
.tag{
  display:inline-flex; padding:6px 10px;
  border-radius:999px; background:#fff; border:1px solid var(--color-bg-accent);
  font-size:12px; color:var(--color-secondary);
}
.product-title{display:flex; justify-content:space-between; gap:10px; align-items:flex-start}
.price{font-weight:800; color:var(--color-secondary); white-space:nowrap}
.product-img{border-radius:14px; overflow:hidden; background:#fff}
.product-img img{aspect-ratio:4/3; width:100%; object-fit:cover}

.footer{
  border-top:1px solid var(--color-bg-accent);
  background:#fff;
}
.footer-grid{padding:40px 0; display:grid; gap:20px}
@media(min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr 1fr} }
.footer-bottom{border-top:1px solid var(--color-bg-accent); padding:14px 0; font-size:12px; display:flex; flex-direction:column; gap:6px}
@media(min-width:768px){ .footer-bottom{flex-direction:row; align-items:center; justify-content:space-between} }

.quickbar{
  position:fixed; left:0; right:0; bottom:0; z-index:60;
  border-top:1px solid var(--color-bg-accent);
  background:#fff;
}
.quickbar .row{display:grid; grid-template-columns:repeat(4,1fr); padding:10px 0; font-size:12px}
.quickbar a{display:flex; align-items:center; justify-content:center; font-weight:800; color:var(--color-secondary)}

input,select,textarea{
  width:100%;
  border-radius:14px;
  border:1px solid var(--color-bg-accent);
  padding:10px 12px;
  font-size:14px;
}
textarea{min-height:120px; resize:vertical}
label{font-size:12px; font-weight:800; color:var(--color-secondary)}
.form-row{display:grid; gap:12px}
@media(min-width:768px){ .form-row{grid-template-columns:1fr 1fr} }
.notice{margin-top:10px; font-size:14px; color:var(--color-secondary); font-weight:700}
.error{color:#8a1f1f}
.success{color:#1f7a3a}

.details{border-radius:var(--radius); background:var(--color-bg-accent); box-shadow:var(--shadow); padding:16px}
details > summary{cursor:pointer; font-weight:800; color:var(--color-secondary)}
details p{margin:10px 0 0; font-size:14px}

.scroll-row{display:flex; gap:14px; overflow-x:auto; padding-bottom:8px}
.scroll-item{min-width:280px}
@media(min-width:640px){ .scroll-item{min-width:320px} }