/* Theme Variables */
:root {
  --bg: #f7f9fc;
  --text: #1a1a1a;
  --card-bg: #fff;
  --accent: #3366cc;
  --btn-bg: #3366cc;
  --btn-text: #fff;
  --shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

#theme-toggle:checked + .wrapper {
  --bg: #121212;
  --text: #eee;
  --card-bg: #1e1e1e;
  --accent: #4f8cff;
  --btn-bg: #4f8cff;
  --btn-text: #fff;
  --shadow: 0 8px 20px rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.4s, color 0.4s;
  padding: 1rem;
}

.wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  margin-bottom: 2rem;
}

.back-button {
  text-decoration: none;
  background: var(--accent);
  color: var(--btn-text);
  padding: 6px 14px;
  border-radius: 5px;
  font-size: 0.9rem;
  display: inline-block;
}

.theme-toggle {
  float: right;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  padding: 6px 10px;
  border-radius: 5px;
}

.title {
  font-size: 1.5rem;
  margin-top: 1rem;
}

.desc {
  margin-top: 10px;
  font-size: 1rem;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.product-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: scale(1.05);
}

.product-name {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  color: var(--text);
}

.image-wrapper img {
  width: 100%;
  border-radius: 8px;
  transition: all 0.4s ease;
}

/* Common */

.price {
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.btn:hover {
  background: var(--accent);
}

/* Card 1: Tilt */
.card-tilt img {
  clip-path: polygon(0 0, 100% 10%, 100% 90%, 0 100%);
}

.card-tilt:hover {
  transform: scale(1.05) rotate(1deg);
}

.card-tilt:hover img {
  transform: scale(1.03);
  filter: brightness(1.1);
}

/* Card 2: Circle */
.card-circle img {
  clip-path: circle(50% at 50% 50%);
}

.card-circle:hover {
  transform: scale(1.08);
}

.card-circle:hover img {
  filter: drop-shadow(0 0 10px var(--accent));
}

/* Card 3: Zigzag */
.card-zigzag img {
  clip-path: polygon(0 10%, 100% 0, 100% 90%, 0 100%);
  filter: scale(1.2);
}

.card-zigzag:hover img {
  filter: scale(1.2) drop-shadow(0 0 6px var(--accent));
}

/* Card 4: Wave */
.card-wave img {
  clip-path: ellipse(80% 60% at 50% 40%);
}

.card-wave:hover {
  transform: translateY(-10px);
}

.card-wave:hover img {
  filter: brightness(1.1);
}

/* Shape Divider */
.shape-divider {
  width: 100%;
  height: 100px;
  background: var(--accent);
  clip-path: polygon(0% 50%, 100% 0, 100% 100%, 0% 100%);
  margin-top: 3rem;
}

/* Responsive */
@media (max-width: 480px) {
  .desc {
    font-size: 0.9rem;
  }
}