:root {
  --bg:#f6f8fb; --panel:#fff; --text:#0b1220; --muted:#6b7280;
  --accent-from:#7c3aed; --accent-to:#06b6d4;
  --radius:12px; --shadow:0 10px 30px rgba(2,6,23,0.06);
  --topnav-height:64px; /* important: used to avoid nav overlapping hero */
}
[data-theme="dark"] {
  --bg:#071127; --panel:#071427; --text:#e6eef8; --muted:#9fb0cb;
  --shadow:0 12px 36px rgba(2,6,23,0.6);
}

/* Base */
html,body {height:100%}
body {
  margin:0;
  font-family:Inter,system-ui,Arial;
  background:var(--bg);
  color:var(--text);
  padding-top: var(--topnav-height); /* prevents sticky topnav from covering content */
}
.container {max-width:1100px;margin:20px auto;padding:16px}

/* Topnav */
.topnav {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:var(--topnav-height);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--panel); box-shadow:var(--shadow);
  padding:8px 16px;
}
.topnav .brand {display:flex;align-items:center;gap:10px}
.topnav .logo {
  width:44px;height:44px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent-from),var(--accent-to));
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center
}
.topnav .title {font-weight:700}
.topnav .nav-links {display:flex;gap:12px;align-items:center}
.topnav .nav-links a {text-decoration:none;color:var(--text);font-weight:500}
.topnav .nav-links a:hover {color:var(--accent-to)}

/* Buttons */
.btn,.btn-alt {
  border-radius:8px;padding:8px 12px;font-weight:600;cursor:pointer;
  text-decoration:none;display:inline-block;text-align:center;transition:0.2s;
}
.btn {background:linear-gradient(90deg,var(--accent-from),var(--accent-to));color:#fff;border:0}
.btn:hover{opacity:0.95}
.btn-alt {border:1px solid rgba(0,0,0,0.08);background:transparent;color:var(--text)}
.btn-alt.active{background:linear-gradient(90deg,var(--accent-from),var(--accent-to));color:#fff;border:0}
.btn.whatsapp {background:#25d366;color:#fff;border:0}
.btn.whatsapp:hover{opacity:0.95}

/* Hero Section (split layout) */
.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 24px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}

.hero-left {
  flex: 1 1 300px;
  min-width: 250px;
  padding: 10px;
}

.hero-left h1 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
}

.hero-left p {
  font-size: 15px;
  margin: 0 0 20px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-right {
  flex: 1 1 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-right img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}


/* Grids */
.section-title {margin:8px 0 12px;font-size:18px}
.grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.grid.cat a {align-items:center;justify-content:center;text-align:center;gap:8px}
.grid.cat .icon{font-size:30px}
.grid.cat .name{font-weight:600;margin-top:6px}

/* Product card */
.card {background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;display:flex;flex-direction:column}
.img{height:150px;border-radius:10px;background:#eef2ff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.img img{width:100%;height:100%;object-fit:cover}
.empty{font-size:13px;color:var(--muted)}
.meta{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.name{font-weight:600}
.small{font-size:13px;color:var(--muted)}
.pricebox{text-align:right}
.old{text-decoration:line-through;font-size:13px;color:var(--muted)}
.price{font-weight:700}
.badges{margin-top:8px;display:flex;gap:6px}
.badge{font-size:12px;padding:4px 8px;border-radius:999px;color:#fff}
.badge.hot{background:#ef4444}
.badge.disc{background:#f59e0b}

/* Actions (prevent overlap) */
.actions {
  margin-top:12px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;       /* allow wrapping on small screens */
}
.actions .btn, .actions .btn-alt {
  flex:1;
  min-width:0;          /* prevents overflow/overlap */
}

/* Pagination */
.pager{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.pager a{padding:8px 12px;border-radius:8px;text-decoration:none;background:var(--panel);box-shadow:var(--shadow);color:var(--text)}
.pager a.active{background:linear-gradient(90deg,var(--accent-from),var(--accent-to));color:#fff}

/* Footer */
.footer{text-align:center;font-size:13px;color:var(--muted);margin-top:20px}

/* Floating WhatsApp */
.float-wa {
  position:fixed;bottom:20px;right:20px;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:white;
  display:flex;align-items:center;justify-content:center;
  font-size:28px;box-shadow:0 4px 12px rgba(0,0,0,.2);
  text-decoration:none;
}

/* Responsive tweaks */
@media(max-width:720px){
  .grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
  .hero { padding:28px 12px }
  :root { --topnav-height:56px } /* slightly smaller on small screens */
}