/* ============================================================
   BATSPA — design system
   Palette: black / white / blue only
   ============================================================ */
:root{
  --black:#0A0A0A;
  --ink:#141414;
  --white:#FFFFFF;
  --blue:#1449E6;
  --blue-dark:#0F37B0;
  --grey-05:#F6F6F7;
  --grey-10:#EDEDEF;
  --line:#E2E2E6;
  --muted:#6A6A72;
  --shell:min(1480px, 100% - 3rem);
  --r:2px;
  --ease:cubic-bezier(.25,.46,.45,.94);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--black);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.55;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,figure,ul{margin:0}
ul{padding:0;list-style:none}
button{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:100;background:var(--black);color:#fff;padding:.6rem 1rem}
::selection{background:var(--blue);color:#fff}

.shell{width:var(--shell);margin-inline:auto}
.muted{color:var(--muted)}
.blue{color:var(--blue)}

/* ---------- Type scale ---------- */
.display{
  font-size:clamp(2.6rem,8.4vw,7.4rem);line-height:.95;font-weight:800;
  letter-spacing:-.045em;text-wrap:balance;
}
.h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.02;font-weight:700;letter-spacing:-.035em;text-wrap:balance}
.h2{font-size:clamp(1.7rem,3.6vw,2.9rem);line-height:1.05;font-weight:700;letter-spacing:-.03em;text-wrap:balance}
.h3{font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.2;font-weight:600;letter-spacing:-.02em}
.lead{font-size:clamp(1rem,1.3vw,1.14rem);line-height:1.6;color:var(--muted);max-width:56ch}
.label{
  font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
}
.label-blue{color:var(--blue)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:1rem 1.75rem;border:1px solid transparent;border-radius:var(--r);
  font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-dark{background:var(--black);color:#fff}
.btn-dark:hover{background:var(--blue)}
.btn-line{background:transparent;color:var(--black);border-color:var(--line)}
.btn-line:hover{border-color:var(--black)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-line-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:.7rem 1.1rem;font-size:.72rem}
.btn-block{display:flex;width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:.5rem;font-size:.82rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--blue);
  border-bottom:1px solid currentColor;padding-bottom:.25rem;transition:gap .25s var(--ease)
}
.link-more:hover{gap:.9rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(180%) blur(6px);
}
.header-inner{display:flex;align-items:center;gap:2rem;height:74px}
.wordmark{font-weight:800;letter-spacing:.14em;font-size:1.05rem}
.nav-desktop{display:none;gap:1.9rem;margin-right:auto}
.nav-desktop a{font-size:.8rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);position:relative;padding-block:.25rem}
.nav-desktop a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--blue);transition:right .3s var(--ease)}
.nav-desktop a:hover::after,.nav-desktop a.is-active::after{right:0}
.nav-desktop a.is-active{color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:.75rem;margin-left:auto}
.header-search input{
  width:150px;border:1px solid var(--line);border-radius:var(--r);padding:.6rem .8rem;font-size:.82rem;background:var(--white);
}
.header-search input:focus{outline:none;border-color:var(--blue)}
.header-search,.header-wa{display:none}
.burger{width:42px;height:42px;border:1px solid var(--line);background:#fff;display:grid;place-content:center;gap:5px;border-radius:var(--r)}
.burger span{display:block;width:18px;height:1.5px;background:var(--black);transition:transform .3s var(--ease),opacity .2s}
body.menu-open .burger span:first-child{transform:translateY(3.5px) rotate(45deg)}
body.menu-open .burger span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:74px 0 auto;z-index:55;background:#fff;border-bottom:1px solid var(--line);
  padding:1.5rem clamp(1.5rem,5vw,3rem) 2rem;display:grid;gap:1.25rem;
}
.mobile-menu nav{display:grid}
.mobile-menu nav a{padding:.85rem 0;border-bottom:1px solid var(--line);font-size:1.05rem;font-weight:600;letter-spacing:-.01em}
.mobile-search{display:flex;gap:.5rem}
.mobile-search input{flex:1;border:1px solid var(--line);padding:.85rem;font-size:.9rem;border-radius:var(--r)}
body.menu-open{overflow:hidden}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:flex-end;color:#fff;background:var(--black);overflow:hidden}
.hero-img{position:absolute;inset:0}
.hero-img img{width:100%;height:100%;object-fit:cover;opacity:.72}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.55) 0%,rgba(10,10,10,.15) 40%,rgba(10,10,10,.9) 100%)}
.hero-body{position:relative;z-index:2;width:var(--shell);margin-inline:auto;padding-block:clamp(3rem,8vw,6rem);display:grid;gap:1.5rem}
.hero .label{color:rgba(255,255,255,.72)}
.hero p.lead{color:rgba(255,255,255,.82)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.5rem}

/* ---------- Sections ---------- */
.section{padding-block:clamp(4rem,9vw,8.5rem)}
.section-head{display:grid;gap:.9rem;margin-bottom:clamp(2rem,4vw,3.5rem)}
.section-head .row{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;flex-wrap:wrap}

/* ---------- Product grid ---------- */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(.75rem,2vw,2rem) clamp(.75rem,1.6vw,1.75rem)}
.card{display:flex;flex-direction:column;background:#fff}
.card-media{position:relative;overflow:hidden;background:var(--grey-05);aspect-ratio:4/5}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .card-media img{transform:scale(1.045)}
.card-badge{position:absolute;top:.75rem;left:.75rem;background:var(--blue);color:#fff;font-size:.6rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:.35rem .55rem}
.card-body{padding:.9rem 0 0;display:grid;gap:.3rem}
.card-cat{font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.card-name{font-size:clamp(.95rem,1.4vw,1.08rem);font-weight:600;letter-spacing:-.015em}
.card-price{font-size:.95rem;font-weight:600}
.card-actions{display:grid;gap:.4rem;margin-top:.6rem}
.card-buy{
  display:block;text-align:center;padding:.8rem;border:1px solid var(--black);
  font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.card-buy:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.card-view{text-align:center;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.card-view:hover{color:var(--blue)}

/* ---------- Editorial brand band ---------- */
.brand-band{background:var(--black);color:#fff}
.brand-grid{display:grid;gap:clamp(2rem,4vw,4rem);align-items:center}
.brand-grid .media{aspect-ratio:4/3;overflow:hidden}
.brand-grid .media img{width:100%;height:100%;object-fit:cover}
.brand-band .lead{color:rgba(255,255,255,.72)}
.brand-band .label{color:var(--blue)}

/* ---------- Categories ---------- */
.cat-grid{display:grid;gap:clamp(.75rem,1.6vw,1.5rem);grid-template-columns:repeat(2,1fr)}
.cat-tile{position:relative;overflow:hidden;color:#fff;background:var(--black);aspect-ratio:3/4;display:flex;align-items:flex-end}
.cat-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7;transition:transform .8s var(--ease),opacity .4s}
.cat-tile:hover img{transform:scale(1.05);opacity:.55}
.cat-tile .cat-body{position:relative;z-index:2;padding:clamp(1rem,2vw,1.8rem);display:grid;gap:.3rem}
.cat-tile h3{font-size:clamp(1.3rem,3vw,2.1rem);font-weight:800;letter-spacing:-.03em;text-transform:uppercase}
.cat-tile p{font-size:.78rem;color:rgba(255,255,255,.75);max-width:26ch}
.cat-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(10,10,10,.85))}

/* ---------- Gallery ---------- */
.gal-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}
.gal-item{overflow:hidden;background:var(--grey-05)}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.gal-item:hover img{transform:scale(1.05)}
.gal-item.tall{aspect-ratio:3/4}
.gal-item.wide{aspect-ratio:3/4}
.gal-item.square{aspect-ratio:1/1}

/* ---------- Custom build band ---------- */
.custom-band{position:relative;color:#fff;background:var(--black);overflow:hidden}
.custom-band img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.custom-inner{position:relative;z-index:2;padding-block:clamp(4rem,9vw,8rem);display:grid;gap:1.4rem;max-width:62ch}
.custom-band .lead{color:rgba(255,255,255,.78)}

/* ---------- Shop toolbar ---------- */
.page-head{padding-block:clamp(2.5rem,5vw,4.5rem) clamp(1.5rem,3vw,2.5rem);border-bottom:1px solid var(--line)}
.toolbar{display:grid;gap:1rem;padding-block:1.25rem;border-bottom:1px solid var(--line);position:sticky;top:74px;background:#fff;z-index:40}
.filters{display:flex;gap:.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;padding:.55rem 1rem;border:1px solid var(--line);font-size:.72rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink)}
.chip.is-active{background:var(--black);border-color:var(--black);color:#fff}
.toolbar-right{display:flex;gap:.5rem;align-items:center}
.toolbar-right select,.toolbar-right input{border:1px solid var(--line);padding:.6rem .7rem;font-size:.8rem;border-radius:var(--r);background:#fff}
.toolbar-right select:focus,.toolbar-right input:focus{outline:none;border-color:var(--blue)}
.result-count{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- Product page ---------- */
.pdp{display:grid;gap:clamp(1.5rem,4vw,4rem);padding-block:clamp(1.5rem,4vw,3.5rem)}
.pdp-gallery{display:grid;gap:.75rem}
.pdp-main{aspect-ratio:4/5;background:var(--grey-05);overflow:hidden}
.pdp-main img{width:100%;height:100%;object-fit:cover}
.pdp-thumbs{display:flex;gap:.5rem;flex-wrap:wrap}
.pdp-thumbs button{width:74px;aspect-ratio:1;padding:0;border:1px solid var(--line);background:none;overflow:hidden;cursor:pointer}
.pdp-thumbs button.is-active{border-color:var(--blue)}
.pdp-thumbs img{width:100%;height:100%;object-fit:cover}
.pdp-info{display:grid;gap:1.1rem;align-content:start}
.pdp-price{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}
.specs{border-top:1px solid var(--line)}
.specs div{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 0;border-bottom:1px solid var(--line);font-size:.88rem}
.specs dt{color:var(--muted)}
.breadcrumb{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-block:1.25rem}
.breadcrumb a:hover{color:var(--blue)}

/* ---------- Misc ---------- */
.prose{max-width:70ch;display:grid;gap:1rem}
.prose h2{font-size:1.25rem;font-weight:700;margin-top:1rem}
.prose p,.prose li{color:var(--muted)}
.prose ul{display:grid;gap:.5rem;padding-left:1.1rem;list-style:disc}
.notice{padding:3rem 0;color:var(--muted)}

.site-footer{border-top:1px solid var(--line);padding-top:clamp(3rem,6vw,5rem);margin-top:clamp(3rem,6vw,6rem)}
.footer-grid{display:grid;gap:2.5rem;grid-template-columns:1fr}
.footer-brand .wordmark{font-size:1.4rem;margin-bottom:.75rem}
.footer-brand .muted{max-width:38ch;font-size:.9rem}
.footer-head{font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.footer-list{display:grid;gap:.6rem;font-size:.92rem}
.footer-list a:hover{color:var(--blue)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:clamp(2.5rem,5vw,4rem);padding-block:1.5rem;font-size:.8rem;color:var(--muted)}
.footer-legal{display:flex;gap:1.5rem}
.footer-legal a:hover{color:var(--blue)}

.wa-float{
  position:fixed;right:1rem;bottom:1rem;z-index:70;width:52px;height:52px;border-radius:50%;
  background:var(--blue);color:#fff;display:grid;place-content:center;
  box-shadow:0 8px 24px rgba(20,73,230,.28);transition:transform .25s var(--ease),background .25s
}
.wa-float:hover{transform:translateY(-2px);background:var(--blue-dark)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto!important}
}

/* ---------- Breakpoints ---------- */
@media (min-width:640px){
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .toolbar{display:flex;align-items:center;justify-content:space-between}
  .gal-item.wide{grid-column:span 2;aspect-ratio:16/9}
}
@media (min-width:1024px){
  :root{--shell:min(1480px, 100% - 6rem)}
  .nav-desktop,.header-search,.header-wa{display:flex}
  .burger{display:none}
  .mobile-menu{display:none!important}
  .product-grid{grid-template-columns:repeat(4,1fr);gap:2.5rem 1.75rem}
  .brand-grid{grid-template-columns:1.05fr .95fr}
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .gal-grid{grid-template-columns:repeat(4,1fr);gap:1rem}
  .gal-item.tall{grid-row:span 2;aspect-ratio:3/4}
  .gal-item.wide{grid-column:span 2;aspect-ratio:16/10}
  .pdp{grid-template-columns:1.15fr .85fr}
  .pdp-gallery{position:sticky;top:96px;align-self:start}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:3rem}
}