:root{
  --white:#FFFFFF;--gray-lt:#EBEBEB;--cream:#F0EBE0;
  --black:#1A1818;--body:#2E2E2E;--muted:#6B6B6B;
  --orange:#D96400;
  --h:'Poppins',sans-serif;--b:'Lato',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--b);background:var(--white);color:var(--body);overflow-x:hidden;}
img{display:block;max-width:100%;}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 56px;height:72px;background:rgba(26,24,24,.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);}
.nav-logo{display:flex;align-items:center;gap:14px;text-decoration:none;}
.nav-logo-svg{width:32px;height:32px;flex-shrink:0;}
.nav-logo-text{font-family:var(--h);font-weight:900;font-size:17px;color:#fff;letter-spacing:.14em;display:none;}
.nav-links{display:flex;gap:36px;}
.nav-link{font-family:var(--h);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.45);text-decoration:none;transition:.2s;padding:4px 0;border-bottom:1px solid transparent;}
.nav-link:hover{color:#fff;border-color:var(--orange);}
.nav-cta{font-family:var(--h);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:var(--orange);color:#fff;padding:12px 26px;text-decoration:none;transition:.2s;}
.nav-cta:hover{background:#bf5800;}

/* BREADCRUMB */
.breadcrumb{margin-top:72px;padding:18px 56px;background:var(--gray-lt);border-bottom:1px solid #ddd;display:flex;align-items:center;gap:8px;}
.bc-item{font-family:var(--h);font-size:11px;color:var(--muted);text-decoration:none;letter-spacing:.05em;transition:.15s;}
.bc-item:hover{color:var(--black);}
.bc-sep{font-size:10px;color:#ccc;}
.bc-current{font-family:var(--h);font-size:11px;color:var(--black);font-weight:600;letter-spacing:.05em;}

/* PRODUCT LAYOUT */

/* GALLERY */
.gallery-col{padding:56px;background:var(--white);position:sticky;top:68px;height:calc(100vh - 68px);display:flex;flex-direction:column;gap:16px;}
.product-wrap{display:grid;grid-template-columns:1fr 420px;gap:0;min-height:calc(100vh - 72px - 49px);opacity:0;transition:opacity .4s ease;}
.produto-pronto .product-wrap{opacity:1;}
.gallery-main{flex:1;min-height:580px;background:var(--gray-lt);overflow:hidden;position:relative;}
.gallery-main img{width:100%;height:100%;object-fit:contain;object-position:center;transition:transform .5s ease;}
.gallery-main:hover img{transform:scale(1.03);}
.gallery-badge{position:absolute;top:20px;left:20px;background:var(--orange);color:#fff;font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;padding:6px 14px;}
.gallery-thumbs{display:flex;gap:12px;}
.thumb{width:72px;height:72px;background:var(--gray-lt);overflow:hidden;cursor:pointer;border:2px solid transparent;transition:.2s;flex-shrink:0;}
.thumb.active{border-color:var(--orange);}
.thumb img{width:100%;height:100%;object-fit:cover;filter:brightness(.85);transition:.2s;}
.thumb:hover img,.thumb.active img{filter:brightness(1);}

/* PRODUCT INFO */
.info-col{padding:56px 48px;border-left:1px solid #ebebeb;background:var(--white);overflow-y:auto;transition:opacity .3s ease;}

.prod-category{font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--orange);margin-bottom:12px;}
.prod-name{font-family:var(--h);font-weight:800;font-size:28px;color:var(--black);line-height:1.1;letter-spacing:-.02em;margin-bottom:6px;}
.prod-ref{font-family:var(--h);font-size:11px;color:var(--muted);letter-spacing:.1em;margin-bottom:24px;}
.prod-divider{width:40px;height:3px;background:var(--orange);margin-bottom:28px;}

.prod-desc{font-size:14px;line-height:1.8;color:var(--body);margin-bottom:32px;}

/* SEGMENTS */
.seg-label{font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.seg-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;}
.seg-tag{font-family:var(--h);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:var(--gray-lt);color:var(--body);padding:6px 14px;}

/* SPECS */
.specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-bottom:32px;border:1px solid #ebebeb;}
.spec-item{padding:16px 20px;border-bottom:1px solid #ebebeb;border-right:1px solid #ebebeb;}
.spec-item:nth-child(2n){border-right:none;}
.spec-item:nth-last-child(-n+2){border-bottom:none;}
.spec-label{font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;}
.spec-value{font-family:var(--h);font-size:13px;font-weight:600;color:var(--black);}

/* CUSTOMIZATION */
.custom-section{background:var(--cream);padding:20px;margin-bottom:32px;}
.custom-label{font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin-bottom:14px;}
.custom-options{display:flex;flex-wrap:wrap;gap:8px;}
.custom-opt{font-family:var(--h);font-size:10px;font-weight:500;letter-spacing:.06em;color:var(--body);background:var(--white);padding:6px 12px;border:1px solid #ddd;}

/* FORM */
.form-section{background:var(--black);padding:28px;}
.form-title{font-family:var(--h);font-weight:700;font-size:16px;color:#fff;margin-bottom:4px;}
.form-sub{font-size:12px;color:rgba(255,255,255,.4);margin-bottom:24px;font-family:var(--h);}
.form-group{margin-bottom:16px;}
.form-label{font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.4);display:block;margin-bottom:6px;}
.form-input{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;font-family:var(--b);font-size:13px;padding:12px 14px;outline:none;transition:.2s;}
.form-input:focus{border-color:var(--orange);background:rgba(255,255,255,.09);}
.form-input::placeholder{color:rgba(255,255,255,.25);}
.form-select{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;font-family:var(--b);font-size:13px;padding:12px 14px;outline:none;appearance:none;cursor:pointer;}
.form-select option{background:var(--black);color:#fff;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-submit{width:100%;background:var(--orange);color:#fff;font-family:var(--h);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:16px;border:none;cursor:pointer;transition:.2s;margin-top:8px;}
.form-submit:hover{background:#bf5800;}
.form-note{font-size:11px;color:rgba(255,255,255,.25);text-align:center;margin-top:12px;font-family:var(--h);}

/* BELOW FOLD */
.below-fold{padding:80px 56px;}

/* FEATURES */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:#ddd;margin-bottom:80px;}
.feature-item{background:var(--white);padding:36px 28px;}
.feature-icon{width:36px;height:3px;background:var(--orange);margin-bottom:20px;}
.feature-title{font-family:var(--h);font-weight:700;font-size:14px;color:var(--black);margin-bottom:8px;}
.feature-text{font-size:12px;line-height:1.7;color:var(--muted);}

/* CUSTOMIZATION DETAIL */
.custom-detail{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:#ddd;margin-bottom:80px;}
.custom-col{background:var(--gray-lt);padding:56px;}
.custom-col.dark{background:var(--black);}
.custom-col-title{font-family:var(--h);font-weight:800;font-size:22px;color:var(--black);margin-bottom:8px;}
.custom-col.dark .custom-col-title{color:#fff;}
.custom-col-sub{font-family:var(--h);font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin-bottom:20px;}
.custom-col-text{font-size:13px;line-height:1.8;color:var(--muted);}
.custom-col.dark .custom-col-text{color:rgba(255,255,255,.4);}
.custom-list{list-style:none;margin-top:20px;}
.custom-list li{font-size:13px;color:var(--body);padding:10px 0;border-bottom:1px solid rgba(0,0,0,.07);display:flex;align-items:center;gap:12px;font-family:var(--h);font-weight:500;}
.custom-col.dark .custom-list li{color:rgba(255,255,255,.6);border-color:rgba(255,255,255,.07);}
.custom-list li::before{content:'';width:6px;height:6px;background:var(--orange);flex-shrink:0;}

/* RELATED */
.related-title{font-family:var(--h);font-weight:800;font-size:clamp(22px,2.5vw,36px);color:var(--black);letter-spacing:-.02em;margin-bottom:40px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{cursor:pointer;transition:transform .25s,box-shadow .25s;text-decoration:none;color:inherit;display:block;}
.rel-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.09);}
.rel-img{aspect-ratio:3/4;background:var(--gray-lt);overflow:hidden;}
.rel-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.rel-card:hover .rel-img img{transform:scale(1.04);}
.rel-info{padding:16px 0 4px;}
.rel-ref{font-family:var(--h);font-size:9px;font-weight:700;letter-spacing:.15em;color:var(--muted);text-transform:uppercase;margin-bottom:4px;}
.rel-name{font-family:var(--h);font-weight:700;font-size:14px;color:var(--black);margin-bottom:12px;}
.rel-cta{display:inline-flex;align-items:center;gap:8px;font-family:var(--h);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);text-decoration:none;}
.rel-line{width:16px;height:1px;background:var(--orange);transition:.2s;}
.rel-card:hover .rel-line{width:28px;}

/* STICKY CTA MOBILE */
.sticky-cta{display:none;}

@media(max-width:1100px){
  nav{padding:0 24px;}
  .nav-links{display:none;}
  .breadcrumb{padding:16px 24px;}
  .product-wrap{grid-template-columns:1fr;}
  .gallery-col{position:static;height:auto;padding:24px;}
  .gallery-main{height:520px;}
  .info-col{padding:32px 24px;border-left:none;border-top:1px solid #ebebeb;}
  .below-fold{padding:56px 24px;}
  .features-grid{grid-template-columns:1fr 1fr;}
  .custom-detail{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .sticky-cta{display:block;position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--black);padding:16px 24px;border-top:2px solid var(--orange);}
  .sticky-cta a{display:block;background:var(--orange);color:#fff;font-family:var(--h);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:16px;text-align:center;text-decoration:none;}
}

/* ── WHATSAPP FLOAT ── */
.wa-float{
  position:fixed;bottom:32px;right:32px;z-index:999;
  width:56px;height:56px;background:#25D366;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,.45);
  text-decoration:none;transition:transform .2s,box-shadow .2s;
}
.wa-float:hover{
  transform:scale(1.1);
  box-shadow:0 8px 28px rgba(37,211,102,.55);
}
.wa-float svg{width:28px;height:28px;fill:#fff;}
.wa-float-tooltip{
  position:absolute;right:68px;
  background:var(--black,#1A1818);color:#fff;
  font-family:'Poppins',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.04em;white-space:nowrap;
  padding:7px 14px;
  opacity:0;pointer-events:none;
  transition:opacity .2s;
}
.wa-float:hover .wa-float-tooltip{opacity:1;}