/* =========================
   GLOBAL PAGE STYLE
========================= */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #020617;
  color: #e2e8f0;
  line-height: 1.6;
}

.back-btn-container {
  margin: 20px 0;
  text-align: left; /* aligns left */
}

.back-btn {
  display: inline-block;
  padding: 10px 16px;
  background: #38bdf8;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: 0.2s;
}

.back-btn:hover {
  background: #0ea5e9;
}

/* =========================
   STORE HEADER
========================= */
.store-header {
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(145deg, #0f172a, #111c35);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.store-header h1 {
  color: #38bdf8;
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.store-header p {
  color: #94a3b8;
  font-size: 1.1rem;
}

/* =========================
   CATEGORY SECTION
========================= */
.category {
  max-width: 1250px;
  margin: auto;
  padding: 50px 20px;
}

.category h2 {
  color: #38bdf8;
  margin-bottom: 30px;
  border-left: 5px solid #38bdf8;
  padding-left: 14px;
  font-size: 1.7rem;
  letter-spacing: 0.5px;
}

/* =========================
   GRID LAYOUT
========================= */
.card-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* =========================
   PRODUCT CARD
========================= */
.card {
  background: #0f172a;
  border-radius: 18px;
  padding: 22px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0,0,0,0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(56,189,248,0.08);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(56,189,248,0.25);
}

/* Product Image */
.card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  margin-bottom: 18px;
}

/* Product Title */
.card h3 {
  color: #38bdf8;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

/* Product Description */
.card p {
  font-size: 0.95rem;
  margin-bottom: 18px;
  color: #cbd5f5;
  min-height: 60px;
}

/* =========================
   BUY BUTTON
========================= */
.buy-btn {
  display: inline-block;
  padding: 11px 18px;
  background: linear-gradient(145deg, #22c55e, #16a34a);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: bold;
  transition: 0.25s ease;
  box-shadow: 0 4px 12px rgba(34,197,94,0.4);
}

.buy-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 18px rgba(34,197,94,0.6);
}

/* =========================
   FOOTER
========================= */
.footer {
  text-align: center;
  padding: 35px;
  background: #0f172a;
  margin-top: 60px;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* =========================
   RESPONSIVE DESIGN
========================= */
@media (max-width: 1000px) {
  .card-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .card-container {
    grid-template-columns: 1fr;
  }

  .store-header h1 {
    font-size: 1.8rem;
  }

  .category h2 {
    font-size: 1.4rem;
  }
}