/* ─── Variables ─────────────────────────────────────────── */
:root {
  --bg: #080810;
  --bg2: #10101e;
  --card: #13132a;
  --card-hover: #1a1a38;
  --border: #2a2a4a;
  --accent: #7c3aed;
  --accent2: #00d4ff;
  --accent-glow: rgba(124, 58, 237, 0.4);
  --accent2-glow: rgba(0, 212, 255, 0.3);
  --text: #f0f0ff;
  --muted: #8888aa;
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 14px;
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Header ─────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.logo.logo-img {
  background: none;
  -webkit-text-fill-color: unset;
  display: flex;
  align-items: center;
}

.header-logo {
  height: 48px;
  width: 48px;
  object-fit: contain;
  border-radius: 50%;
  display: block;
  filter: drop-shadow(0 0 8px rgba(124, 58, 237, 0.5));
}

.hero-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-logo {
  width: clamp(140px, 25vw, 200px);
  height: clamp(140px, 25vw, 200px);
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 0 30px rgba(124, 58, 237, 0.6));
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(124, 58, 237, 0.5)); }
  50%       { filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.7)); }
}

.hero-sub {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent2);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-link {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}
.admin-link:hover { color: var(--accent2); border-color: var(--accent2); }

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  text-align: center;
  padding: 5rem 2rem 4rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, var(--accent-glow), transparent),
    radial-gradient(ellipse 40% 30% at 80% 50%, var(--accent2-glow), transparent);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ─── Category nav ───────────────────────────────────────── */
.cat-nav {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: rgba(8, 8, 16, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.cat-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-nav-inner::-webkit-scrollbar { display: none; }

.cat-btn {
  flex-shrink: 0;
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  font-family: var(--font);
}
.cat-btn:hover { color: var(--text); border-color: var(--accent); }
.cat-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

/* ─── Main content ───────────────────────────────────────── */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ─── Product grid ───────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* ─── Product card ───────────────────────────────────────── */
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  animation: fadeUp 0.4s ease both;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px var(--accent-glow);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--bg2);
  display: block;
}

.card-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 2rem;
}

.card-body {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.card-category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent2);
  font-weight: 600;
}

.card-name {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

.card-footer {
  padding: 0 1.1rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-price {
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-stock {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  font-weight: 600;
}
.card-stock.in  { background: rgba(34,197,94,.15); color: var(--success); }
.card-stock.out { background: rgba(239,68,68,.15);  color: var(--danger);  }

.btn-whatsapp {
  width: 100%;
  padding: 0.7rem 1rem;
  margin: 0 1.1rem 1.1rem;
  width: calc(100% - 2.2rem);
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: opacity 0.2s, transform 0.15s;
  font-family: var(--font);
}
.btn-whatsapp:hover:not(:disabled) { opacity: 0.9; transform: scale(1.02); }
.btn-whatsapp:disabled {
  background: var(--border);
  color: var(--muted);
  cursor: not-allowed;
  transform: none;
}

/* ─── Empty state ─────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
}
.empty-state svg { margin-bottom: 1rem; opacity: 0.4; }

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}
footer a { color: var(--accent2); text-decoration: none; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero { padding: 3rem 1.25rem 2.5rem; }
  main  { padding: 2rem 1rem 3rem; }
  .header-inner { padding: 0; }
}