:root {
  --white: #FFFFFF;
  --cod-gray: #111111;
  --shark: #24272B;
  --dove-gray: #666666;
  --tundora: #444444;
  --gallery: #EBEBEB;
  --wild-sand: #F5F5F5;
}

body {
  font-family: 'Instrument Sans', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--white);
  color: var(--cod-gray);
  box-sizing: border-box;
}

h2 {
  font-weight: 600;
  font-size: 36px;
  line-height: 44px;
  text-align: center;
  letter-spacing: -1.224px;
  margin: 0;
}

h3 {
  font-weight: 600;
  font-size: 24px;
  line-height: 29px;
  letter-spacing: -0.816px;
  margin: 0;
}

p {
  margin: 0;
}

/* Main container layout */
.bundle-builder {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 127.5px;
}

.bundle-container {
  width: 100%;
  max-width: 1440px;
  display: flex;
  flex-direction: column;
  gap: 33px;
}

.bundle-header {
  width: 100%;
  text-align: center;
}

/* Product grid and sidebar layout */
.product-bundle {
  display: flex;
  flex-direction: row;
  gap: 40px;
}

.grid-custom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  row-gap: 48px;
  flex-grow: 1;
}

/* Product Card styles */
.product-card {
  display: flex;
  flex-direction: column;
  gap: 15px;
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: scale(1.02);
}

.product-card img {
  width: 100%;
  height: 326.66px;
  object-fit: cover;
  border-radius: 4px;
}

.product-details {
  display: flex;
  flex-direction: column;
  gap: 0.5px;
}

.product-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 18px;
  color: var(--cod-gray);
  margin-bottom: 9.7px;
}

.product-price {
  font-size: 15px;
  font-weight: 400;
  line-height: 15px;
  color: var(--dove-gray);
  margin-bottom: 15px;
}

.add-to-bundle-btn {
  box-sizing: border-box;
  width: 100%;
  padding: 16px;
  border: 1px solid var(--cod-gray);
  background-color: var(--gallery);
  color: var(--shark);
  font-weight: 600;
  font-size: 15px;
  line-height: 18px;
  letter-spacing: -0.36px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.add-to-bundle-btn:hover {
  background-color: var(--dove-gray);
}

/* Added to Bundle state */
.add-to-bundle-btn.added {
  background-color: var(--tundora);
  border-color: var(--tundora);
  color: var(--white);
}

/* Sidebar styles */
.bundle-sidebar {
  width: 360px;
  flex-shrink: 0;
}

.sticky-element {
  position: sticky;
  top: 20px;
  box-sizing: border-box;
  padding: 31.25px 27px 32.01px;
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 30px;
  border: 2px solid var(--cod-gray);
}

/* Sidebar header styles */
.sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bundle-status {
  font-size: 15px;
  line-height: 26px;
  color: var(--tundora);
  margin-bottom: 17px;
}

.progress-bar-container {
  width: 100%;
  height: 5px;
  background: var(--gallery);
  border-radius: 99px;
}

.progress-bar {
  height: 100%;
  background: var(--cod-gray);
  border-radius: 99px;
  transition: width 0.3s ease;
}

/* Selected products list */
.selected-products-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.selected-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.selected-item img {
  width: 88.8px;
  height: 88.8px;
  object-fit: cover;
}

.item-details {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
  word-break: break-word;
}

.item-name {
  font-weight: 400;
  font-size: 15px;
  line-height: 15px;
  color: var(--cod-gray);
}

.item-price {
  font-weight: 400;
  font-size: 15px;
  line-height: 15px;
  color: var(--dove-gray);
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Quantity stepper styles */
.quantity-input-bundle {
  display: flex;
  align-items: center;
  width: 100px;
  height: 35px;
  background: var(--wild-sand);
  border: 1px solid var(--gallery);
}

.quantity-input-bundle button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  padding: 0 10px;
  color: var(--cod-gray);
}

.quantity-input-bundle input {
  width: 38px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 15px;
  color: var(--cod-gray);
  padding: 0;
  -moz-appearance: textfield;
}

.quantity-input-bundle input::-webkit-outer-spin-button,
.quantity-input-bundle input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Remove button style */
.remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 10px;
}

.remove-btn svg {
  width: 16px;
  height: 16px;
  fill: var(--tundora);
}

/* Summary section */
.bundle-summary {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px solid var(--gallery);
}

.discount-row,
.subtotal-row {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
}

.subtotal-row {
  font-weight: 600;
}

/* CTA button */
.cta-button {
  box-sizing: border-box;
  width: 100%;
  padding: 16px;
  background-color: var(--gallery);
  color: var(--tundora);
  border: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 18px;
  letter-spacing: -0.36px;
  cursor: not-allowed;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

/* Enabled state for CTA button */
.cta-button:not(:disabled) {
  background-color: var(--cod-gray);
  color: var(--white);
  cursor: pointer;
}

.cta-button:not(:disabled):hover {
  background-color: var(--shark);
}

.cta-button svg {
  width: 17px;
  height: 17px;
}

.add-to-bundle-btn svg {
  width: 17px;
  height: 17px;
}

/* Mobile-friendly layout */
@media (max-width: 1200px) {
  .bundle-builder {
    padding: 40px 20px;
  }

  .product-bundle {
    flex-direction: column;
    gap: 30px;
  }

  .grid-custom {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    row-gap: 30px;
  }

  .bundle-sidebar {
    width: 100%;
  }

  .sticky-element {
    position: static;
    top: auto;
  }
}

@media (max-width: 768px) {
  h2 {
    font-size: 28px;
  }

  .grid-custom {
    grid-template-columns: 1fr;
    row-gap: 30px;
  }
}