/* Header / Navbar / Hero utilities */
/* Variáveis simples */
:root{
  --brand-color: #0b6efd;
  --bg: #0f1724;
  --muted: #6b7280;
  --accent: #ff6b00;
  --surface: #ffffff;
  --text: #111827;
  --radius: 8px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
}

.site-header{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  border-bottom: 1px solid rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(6px);
}
.header-top{
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo{ width:46px; height:46px; object-fit:contain; border-radius:6px; }
.brand-name{
  font-weight:700;
  font-size:1.05rem;
  color:var(--text);
}

/* Search */
.site-search{
  margin-left: 16px;
  flex: 1;
  display:flex;
  align-items:center;
  gap:8px;
  max-width:640px;
}
.site-search input[type="search"]{
  flex:1;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid rgba(0,0,0,0.08);
  font-size:0.95rem;
  background: #fff;
  color:var(--text);
  box-shadow: 0 1px 2px rgba(16,24,40,0.03);
}
.btn-search{
  background:var(--brand-color);
  color:#fff;
  border:none;
  padding:8px 10px;
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.site-search .visually-hidden{ position:absolute !important; left:-9999px; }

/* Header actions (nav + icons) */
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.main-nav a{
  color:var(--text);
  text-decoration:none;
  margin-right:10px;
  font-weight:600;
  padding:6px 10px;
  border-radius:6px;
}
.main-nav a:focus,
.main-nav a:hover{ background:rgba(11,110,253,0.06); outline:none; }

.user-actions{ display:flex; align-items:center; gap:8px; }
.btn-login{ padding:8px 12px; border-radius:8px; background:#fff; color:var(--brand-color); border:1px solid rgba(11,110,253,0.08); text-decoration:none; font-weight:600; }
.btn-icon{
  background:transparent;
  border:1px solid rgba(0,0,0,0.06);
  padding:8px;
  border-radius:8px;
  cursor:pointer;
}
.cart-icon{ display:flex; align-items:center; gap:8px; cursor:pointer; }
.cart-count{
  background:var(--accent);
  color:#fff;
  font-weight:700;
  padding:4px 8px;
  border-radius:999px;
  font-size:0.8rem;
}

/* Hamburger */
.hamburger{
  display:none;
  background:transparent;
  border:0;
  padding:8px;
  cursor:pointer;
  border-radius:8px;
}
.hamburger-box{ display:inline-block; width:26px; height:18px; position:relative; }
.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after{
  width:100%;
  height:2px;
  background:#111827;
  display:block;
  position:absolute;
  left:0;
  transition:transform .25s ease, opacity .2s ease;
  border-radius:2px;
}
.hamburger-inner{ top:50%; transform:translateY(-50%); }
.hamburger-inner::before{ content:""; top:-8px; }
.hamburger-inner::after{ content:""; top:8px; }
.hamburger[aria-expanded="true"] .hamburger-inner{ transform: rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger-inner::before{ transform: rotate(-90deg) translateX(-6px); opacity:0; }
.hamburger[aria-expanded="true"] .hamburger-inner::after{ transform: rotate(-90deg); }

/* Mobile nav */
.mobile-nav{
  position: fixed;
  inset: 0;
  background: rgba(4,6,8,0.45);
  display:none;
  z-index:120;
}
.mobile-nav[aria-hidden="false"]{ display:block; }
.mobile-nav-inner{
  width: min(360px, 96%);
  height: 100%;
  background: #fff;
  padding:18px;
  box-shadow: 0 12px 36px rgba(2,6,23,0.2);
  overflow:auto;
}
.mobile-nav-close{
  background:transparent;
  border:0;
  font-size:26px;
  position:absolute;
  right:10px;
  top:10px;
}

/* Utilities */
.btn-cta{ background:var(--brand-color); color:#fff; padding:8px 12px; border-radius:8px; text-decoration:none; display:inline-block; }
.btn-ghost{ background:transparent; border:1px solid rgba(0,0,0,0.06); padding:8px 12px; border-radius:8px; color:var(--text); text-decoration:none; }

/* Promo bar */
.promo-bar{ background:var(--brand-color); color:#fff; padding:8px 0; }
.promo-inner{ max-width:1180px; margin:0 auto; display:flex; justify-content:space-between; padding:0 16px; align-items:center; gap:10px; }

/* Modal (carrinho) */
.modal{ position:fixed; inset:0; display:flex; align-items:center; justify-content:center; background:rgba(2,6,23,0.6); z-index:200; }
.modal[aria-hidden="true"]{ display:none; }
.modal-content{
  background:#fff; padding:18px; border-radius:10px; width:min(920px,96%);
  max-height:86vh; overflow:auto; box-shadow:0 12px 36px rgba(2,6,23,0.3);
}
.close-modal{ background:transparent; border:0; font-size:22px; float:right; cursor:pointer; }

/* small screens: show hamburger */
@media (max-width: 900px){
  .main-nav{ display:none; }
  .hamburger{ display:inline-flex; }
  .site-search{ display:none; }
}