/* === BASE CSS — MuscularFit === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --orange:#ec673c;
  --orange-light:#f5845e;
  --orange-pale:#fff2ee;
  --teal:#0c5f6d;
  --black:#111111;
  --gray-900:#1a1a1a;
  --gray-700:#444444;
  --gray-500:#888888;
  --gray-300:#cccccc;
  --gray-100:#f5f5f5;
  --gray-50:#fafafa;
  --white:#ffffff;
  --rsm:6px;--rmd:12px;--rlg:20px;
  --ease:cubic-bezier(.4,0,.2,1);--t:.22s;
}
html{scroll-behavior:smooth;overflow-x:hidden}
/* NUNCA colocar overflow em body — quebra position:fixed em Safari/Chrome */
body{font-family:'Inter',sans-serif;background:var(--white);color:var(--black);line-height:1.6;-webkit-font-smoothing:antialiased}

/* NAV — isolation:isolate garante stacking context próprio acima de tudo */
nav{
  position:fixed;top:0;left:0;right:0;
  z-index:9999;
  isolation:isolate;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,0,0,.08);
  transition:box-shadow var(--t) var(--ease);
}
nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo img{height:36px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:var(--gray-700);text-decoration:none;padding:6px 14px;border-radius:var(--rsm);transition:background var(--t),color var(--t)}
.nav-links a:hover,.nav-links a.active{background:var(--gray-100);color:var(--black)}
.nav-cta{background:var(--orange)!important;color:var(--white)!important;padding:8px 18px!important;font-weight:600!important;transition:background var(--t),transform var(--t)!important}
.nav-cta:hover{background:var(--orange-light)!important;transform:translateY(-1px)!important}

/* LAYOUT */
section{padding:80px 0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.s-label{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);margin-bottom:10px}
.s-title{font-family:'Inter Tight',sans-serif;font-size:clamp(28px,3.5vw,44px);font-weight:800;letter-spacing:-1.5px;line-height:1.1;color:var(--black);margin-bottom:12px}
.s-sub{font-size:16px;color:var(--gray-700);line-height:1.7}
.s-head{margin-bottom:48px}

/* BREADCRUMB */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray-500);margin-bottom:28px;flex-wrap:wrap;list-style:none}
.breadcrumb a{color:var(--gray-500);text-decoration:none;transition:color var(--t)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb span{color:var(--gray-300)}

/* PRODUCT GRID */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{background:var(--white);border:1px solid rgba(0,0,0,.06);border-radius:var(--rmd);overflow:hidden;transition:transform var(--t),box-shadow var(--t)}
.prod-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(0,0,0,.09)}
.prod-img-wrap{position:relative;width:100%;aspect-ratio:1;background:var(--gray-50);overflow:hidden}
.prod-img-wrap img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s var(--ease)}
.prod-card:hover .prod-img-wrap img{transform:scale(1.05)}
.prod-img-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:56px;background:var(--gray-50)}
.prod-badge{position:absolute;top:12px;left:12px;font-size:10px;font-weight:700;letter-spacing:.05em;padding:4px 10px;border-radius:100px;background:var(--orange);color:var(--white);text-transform:uppercase}
.prod-info{padding:16px 18px 18px}
.prod-cat{font-size:11px;font-weight:600;color:var(--orange);letter-spacing:.07em;text-transform:uppercase;margin-bottom:5px}
.prod-name{font-family:'Inter Tight',sans-serif;font-size:14px;font-weight:700;letter-spacing:-.2px;line-height:1.3;margin-bottom:5px;color:var(--black)}
.prod-vars{font-size:12px;color:var(--gray-500);margin-bottom:12px;line-height:1.5}
.prod-price{display:flex;align-items:baseline;gap:4px;flex-wrap:wrap}
.prod-pfx{font-size:11px;color:var(--gray-500)}
.prod-pval{font-family:'Inter Tight',sans-serif;font-size:22px;font-weight:900;color:var(--teal);letter-spacing:-.5px}
.prod-psfx{font-size:12px;color:var(--gray-500)}
.prod-btn{display:block;width:100%;margin-top:13px;background:var(--black);color:var(--white);font-size:13px;font-weight:600;padding:10px;border-radius:var(--rsm);border:none;cursor:pointer;text-align:center;text-decoration:none;transition:background var(--t)}
.prod-btn:hover{background:var(--orange)}

/* CATEGORY PAGE HEADER — sempre abaixo do nav */
.cat-page-header{
  padding-top:68px; /* altura exata do nav */
  background:var(--white);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.cat-page-header-inner{
  max-width:1200px;
  margin:0 auto;
  padding:52px 24px 44px;
}

/* FOOTER */
footer{background:var(--gray-900);color:var(--white);padding:56px 0 28px}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.ft-logo img{height:30px;width:auto;display:block;filter:brightness(0) invert(1);margin-bottom:14px}
.ft-desc{font-size:13px;color:rgba(255,255,255,.45);line-height:1.7;margin-bottom:20px}
.ft-soc{display:flex;gap:10px}
.ft-soc a{width:34px;height:34px;background:rgba(255,255,255,.08);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;text-decoration:none;transition:background var(--t)}
.ft-soc a:hover{background:var(--orange)}
.ft-col-t{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.35);margin-bottom:16px}
.ft-links{display:flex;flex-direction:column;gap:9px;list-style:none}
.ft-links a{font-size:13px;color:rgba(255,255,255,.55);text-decoration:none;transition:color var(--t)}
.ft-links a:hover{color:var(--white)}
.ft-ci{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:8px;line-height:1.5}
.ft-bot{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.ft-copy{font-size:12px;color:rgba(255,255,255,.3)}
.ft-legal{display:flex;gap:16px}
.ft-legal a{font-size:12px;color:rgba(255,255,255,.3);text-decoration:none}

/* WA FLOAT */
.wa{position:fixed;bottom:28px;right:28px;z-index:9998;background:#25D366;color:var(--white);width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;text-decoration:none;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:transform var(--t)}
.wa:hover{transform:scale(1.1)}

/* REVEAL */
.rv{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:translateY(0)}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* RESPONSIVE */
@media(max-width:900px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  section{padding:56px 0}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr}
  .nav-links li:not(:last-child){display:none}
}
@media(prefers-reduced-motion:reduce){
  .rv{animation:none!important;transition:none!important;opacity:1;transform:none}
}