/* ========== CHECKOUT FORM ========== */
.checkout-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .checkout-section {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}

.checkout-form h2, .order-summary h2 {
  font-size: 28px;
  margin-bottom: 24px;
  color: #fff;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  color: var(--text);
  font-size: 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(85, 230, 255, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.form-checkbox label {
  font-size: 14px;
  color: var(--muted);
}

/* ========== ORDER SUMMARY ========== */
.order-summary {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: sticky;
  top: 88px; /* header height + margin */
}

.order-summary ul {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
}

.order-summary li {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.order-summary li:last-child {
  border-bottom: none;
}

.order-summary .total {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-top: 16px;
}

.order-summary .total span {
  color: var(--primary);
}