.checkout-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 24px 80px;
  width: 100%;
}

.checkout-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .checkout-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.checkout-form-container {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: clamp(24px, 5vw, 48px);
}

.checkout-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: 40px;
  padding: 0 10px;
}

.progress-bar-track {
  position: absolute;
  top: 18px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--card-border);
  z-index: 1;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--primary-brown);
  transition: width 0.4s ease;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 2;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--card-bg);
  border: 2px solid var(--card-border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.4s ease;
}

.step-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.4s ease;
}

.progress-step.active .step-num {
  border-color: var(--primary-brown);
  color: var(--primary-brown);
  background-color: var(--card-bg);
  box-shadow: 0 0 12px rgba(217, 177, 138, 0.15);
}

.progress-step.active .step-label {
  color: var(--text-primary);
}

.progress-step.completed .step-num {
  border-color: var(--primary-brown);
  background-color: var(--primary-brown);
  color: var(--bg-dark);
}

.progress-step.completed .step-label {
  color: var(--primary-brown);
}

.step-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: slideFadeIn 0.4s ease-out forwards;
}

@keyframes slideFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-container h2 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.step-container .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.buttons-row {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  width: 100%;
}

.back-button {
  background-color: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: 16px 24px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
  width: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  height: 56px;
}

.back-button:hover {
  background-color: rgba(255, 255, 255, 0.02);
  border-color: var(--text-secondary);
}

.next-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-group input {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  width: 100%;
  transition: all 0.3s ease;
}

.custom-select {
  position: relative;
  width: 100%;
  user-select: none;
}

.custom-select-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.custom-select-trigger:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: rgba(217, 177, 138, 0.3);
}

.custom-select.active .custom-select-trigger {
  border-color: var(--primary-brown);
  background-color: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 2px rgba(217, 177, 138, 0.1);
}

.custom-select-trigger .arrow {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.custom-select.active .arrow {
  transform: rotate(180deg);
  color: var(--primary-brown);
}

.custom-options {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 100%;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  z-index: 100;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.custom-select.active .custom-options {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.custom-option:last-child {
  border-bottom: none;
}

.custom-option:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

.option-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.option-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.custom-option.selected .option-title {
  color: var(--primary-brown);
}

.option-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.custom-option .check-icon {
  width: 16px;
  height: 16px;
  color: var(--primary-brown);
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.custom-option.selected .check-icon {
  opacity: 1;
  transform: scale(1);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-brown);
  background-color: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 2px rgba(217, 177, 138, 0.1);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--muted-brown);
  margin-top: 2px;
}

.checkbox-group {
  flex-direction: row;
  align-items: center;
  gap: 16px;
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--card-border);
  padding: 16px;
  border-radius: 16px;
  transition: all 0.3s ease;
}

.checkbox-group:hover {
  background-color: rgba(255, 255, 255, 0.02);
  border-color: rgba(217, 177, 138, 0.3);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .4s;
  border-radius: 50%;
}

.toggle-switch input:checked + .slider {
  background-color: rgba(217, 177, 138, 0.1);
  border-color: var(--primary-brown);
}

.toggle-switch input:checked + .slider:before {
  transform: translateX(22px);
  background-color: var(--primary-brown);
}

.checkbox-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.checkbox-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.checkbox-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

#card-element {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s ease;
}

#card-element.StripeElement--focus {
  border-color: var(--primary-brown);
  background-color: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 2px rgba(217, 177, 138, 0.1);
}

#card-errors {
  color: var(--red-status);
  font-size: 0.8rem;
  margin-top: 4px;
}

.submit-button {
  background-color: var(--text-primary);
  color: var(--bg-dark);
  border: 1px solid transparent;
  padding: 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
  width: 100%;
  margin-top: 12px;
  box-sizing: border-box;
  height: 56px;
}

.submit-button:hover {
  background-color: var(--primary-brown);
}

.submit-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.buttons-row .submit-button {
  margin-top: 0 !important;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

.checkout-summary-container {
  position: sticky;
  top: 120px;
}

.summary-card {
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(28, 24, 21, 0.75) 100%);
  border: 1px solid rgba(217, 177, 138, 0.1);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.summary-card h3 {
  font-size: 1.35rem;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 16px;
  color: var(--primary-brown);
  font-weight: 800;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.item-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.item-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.item-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.divider {
  height: 1px;
  background-color: var(--card-border);
  margin: 24px 0;
}

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.total-row span:first-child {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.total-price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-brown);
}

.recurring-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.recurring-row span:first-child {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.recurring-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.trust-container {
  margin-top: 32px;
  border-top: 1px solid var(--card-border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary-brown);
  flex-shrink: 0;
}

.success-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 13, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.success-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 48px 32px;
  max-width: 500px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  animation: scaleUp 0.5s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

@keyframes scaleUp {
  from { transform: scale(0.9) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.success-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  color: var(--green-status);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.success-icon svg {
  width: 28px;
  height: 28px;
}

.success-card h2 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.success-email-notice {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 32px;
}

.success-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--card-border);
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 32px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--card-border);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.step-item.completed {
  color: var(--text-primary);
}

.step-item.completed .step-dot {
  background-color: var(--green-status);
  box-shadow: 0 0 8px var(--green-status);
}

.step-item.active {
  color: var(--primary-brown);
  font-weight: 700;
}

.step-item.active .step-dot {
  background-color: var(--primary-brown);
  box-shadow: 0 0 8px var(--primary-brown);
  animation: pulse 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(1); opacity: 0.5; }
}

.success-card .cta-button {
  background-color: var(--text-primary);
  color: var(--bg-dark);
  border: none;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.success-card .cta-button:hover {
  background-color: var(--primary-brown);
}