:root{
  --bg:#070d18;
  --card:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10);
  --text:#eef3ff;
  --muted:rgba(238,243,255,.78);
  --brand:#ff3b30;
  --brand2:#ff6a00;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(255,90,0,.15), transparent 50%),
              radial-gradient(900px 500px at 80% 20%, rgba(255,0,70,.10), transparent 55%),
              linear-gradient(180deg, #050814, var(--bg));
}

/* ===== Reutilizáveis ===== */
.container{max-width:1100px;margin:0 auto;padding:22px 16px}
.page-title{margin:0 0 6px 0;font-size:28px}
.page-sub{margin:0 0 18px 0;color:var(--muted)}
.muted{color:var(--muted);font-size:14px}
a{color:inherit;text-decoration:none}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.18);
  background:linear-gradient(135deg, var(--brand), var(--brand2));
  color:#fff;
  font-weight:800;
  cursor:pointer;
  user-select:none;
}
.btn.big{padding:12px 16px;border-radius:16px}
.btn.ghost{
  background:rgba(0,0,0,.25);
  border:1px solid rgba(255,255,255,.16);
  font-weight:700;
}
.btn:hover{filter:brightness(1.05)}
.link{border:0;background:none;color:#cfe2ff;cursor:pointer;padding:0}
.link.danger{color:#ffb3b3}

/* ===== Landing ===== */
.landing{
  min-height:100%;
  background:
    linear-gradient(180deg, rgba(0,0,0,.60), rgba(0,0,0,.70)),
    url("images/hero-kit.jpg") center/cover no-repeat,
    linear-gradient(180deg, #050814, var(--bg));
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand .emoji{font-size:18px}
.brand .name{font-weight:900;letter-spacing:.3px}

.actions{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:flex-end;
  flex-wrap:wrap;
}

.hero{
  min-height: calc(100vh - 120px);
  display:grid;
  place-items:center;
  padding:10px 16px 40px 16px;
}
.hero-card{
  width:min(900px, 94vw);
  text-align:center;
  background:rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.10);
  border-radius:22px;
  padding:18px 16px;
  backdrop-filter: blur(6px);
}
.hero-logo{
  width:min(760px, 95%);
  height:auto;
  display:block;
  margin:0 auto;
}
.hero-sub{margin:10px 0 0 0;color:var(--muted);font-weight:700}
.foot{padding:12px 16px;color:rgba(255,255,255,.75)}

/* ===== Store header ===== */
.storebar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.20);
}
.storebar .brand{font-weight:900}
.store-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ===== Grid de produtos ===== */
.grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
@media (max-width: 980px){ .grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width: 560px){ .grid{grid-template-columns:1fr;} }

.card{
  border-radius:18px;
  overflow:hidden;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.card-img{aspect-ratio: 4/3; background:rgba(0,0,0,.25);}
.card-img img{width:100%;height:100%;object-fit:cover;display:block;}
.card-body{padding:14px;}
.card-title{margin:10px 0 0 0;font-size:18px}
.chip{
  display:inline-flex;gap:8px;align-items:center;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.25);
  font-size:13px;
}
.price{font-size:18px;font-weight:900}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px}

/* ===== Auth ===== */
.auth .authbox{max-width:520px}
.form{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.10);
  border-radius:18px;
  padding:16px;
}
.input{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.28);
  color:var(--text);
  outline:none;
}
.input:focus{border-color:rgba(255,255,255,.28)}

/* ===== Carrinho (drawer) ===== */
.cart-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  border:1px solid rgba(255,255,255,.15);
  background:rgba(0,0,0,.25);
  color:inherit;
  cursor:pointer;
}
.cart-badge{
  min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 6px;border-radius:999px;
  background:#e53935;color:#fff;font-weight:900;font-size:12px;
}

.cart-drawer{position:fixed;inset:0;pointer-events:none;z-index:9999;}
.cart-drawer.open{pointer-events:auto;}
.cart-backdrop{
  position:absolute;inset:0;background:rgba(0,0,0,.55);
  opacity:0;transition:.2s;
}
.cart-drawer.open .cart-backdrop{opacity:1;}
.cart-panel{
  position:absolute;right:0;top:0;height:100%;width:min(440px,92vw);
  background:#0b1220;
  border-left:1px solid rgba(255,255,255,.1);
  transform:translateX(102%);transition:.25s;
  display:flex;flex-direction:column;
}
.cart-drawer.open .cart-panel{transform:translateX(0);}

.cart-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 16px 10px 16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  color:inherit;cursor:pointer;
}
.cart-items{padding:12px 16px;overflow:auto;flex:1;display:flex;flex-direction:column;gap:12px;}
.cart-item{
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:12px;
  align-items:center;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  border-radius:14px;
  padding:10px;
}
.cart-thumb{width:64px;height:64px;border-radius:12px;object-fit:cover;}
.cart-title{font-weight:900;margin-bottom:2px}
.cart-line{min-width:90px;text-align:right}

.qty{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}
.qty-btn{
  width:34px;height:34px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:inherit;cursor:pointer;font-size:18px;line-height:1;
}
.qty-num{min-width:18px;text-align:center;font-weight:900}

.cart-foot{
  padding:14px 16px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:10px;
}
.cart-total{display:flex;align-items:center;justify-content:space-between}
.empty{padding:14px;border:1px dashed rgba(255,255,255,.18);border-radius:14px}

/* =========================
   MOBILE TWEAKS (<= 640px)
   ========================= */
@media (max-width: 640px){
  .topbar{ padding:10px 12px; gap:10px; align-items:flex-start; }
  .actions{ gap:8px; justify-content:flex-end; }
  .btn{ padding:10px 12px; font-size:14px; border-radius:12px; }
  .cart-btn{ padding:10px 12px; border-radius:12px; font-size:14px; }
  .page-title{ font-size:26px; line-height:1.1; }
  .page-sub{ font-size:14px; }
  .card-img img{ object-fit:contain; background:#fff; }
}
@media (max-width: 420px){
  .btn, .cart-btn{ padding:9px 10px; font-size:13px; }
}

/* ===== WhatsApp flutuante ===== */
.wa-float{
  position:fixed; right:16px; bottom:16px; z-index:9999;
  width:54px; height:54px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  font-size:26px; text-decoration:none;
  background:#25D366; color:#fff;
  box-shadow:0 10px 24px rgba(0,0,0,.35);
}
.wa-float:hover{filter:brightness(1.05)}