.sleek-black-white {
  background: #000;
  color: #fff;
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

header h1 {
  font-size: 2.2em;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-align: center;
  margin: 1.5em 0 0.8em;
}

.product-menu {
  display: flex;
  justify-content: center;
  gap: 2em;
  list-style: none;
  padding-left: 0;
  margin-bottom: 1.5em;
}

.product-menu li {
  font-size: 1.1em;
  cursor: pointer;
  transition: color 0.2s;
}
.product-menu li:hover {
  color: #bbb;
}

.product-grid {
  display: grid;
  gap: 2em;
  grid-template-columns: repeat(2, 1fr); /* Two columns */
  margin: 2em 1.5em;
}

.product-box {
  background: #111;
  padding: 1em;
  border-radius: 0.75em;
  text-align: center;
  position: relative;
  transition: box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.13);
}

.product-box img {
  width: 80%;
  max-width: 160px;
  margin: 0 auto;
  display: block;
  border-radius: 0.5em;
}

.product-box h2 {
  margin: 1em 0 0.5em;
  font-size: 1.3em;
}

button {
  background: #fff;
  color: #111;
  border: none;
  border-radius: 2em;
  padding: 0.8em 2em;
  font-size: 1em;
  margin-top: 1em;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
}
button:hover {
  background: #111;
  color: #fff;
  border: 1px solid #fff;
}

@media (max-width: 700px) {
  .product-grid { grid-template-columns: 1fr; } /* Single column on mobile */
  .product-menu { flex-direction: column; gap: 1em; }
  header h1 { font-size: 1.5em; }
}