/* ============================================
   HORIZONS CONSULTANTS - Checkout Stylesheet
   3-Step Guest Checkout Wizard
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap');

:root {
  --color-primary: #0f2e5c;
  --color-primary-dark: #0a1942;
  --color-primary-light: #1e4a7e;
  --color-secondary: #b91c1c;
  --color-accent: #dc2626;
  --color-accent-hover: #991b1b;
  --color-bg: #f8fafc;
  --color-bg-alt: #ffffff;
  --color-card-bg: #f8f8f8;
  --color-text: #242b36;
  --color-text-muted: #3f4858;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-error: #dc2626;
  --color-error-bg: #fee2e2;
  --font-main: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
}

/* ============ Checkout Layout ============ */
.checkout-page {
  min-height: 100vh;
  background: linear-gradient(180deg, #f0f4f8 0%, var(--color-bg) 100%);
  font-family: var(--font-main);
  color: var(--color-text);
}

.checkout-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 0rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.checkout-header-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkout-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
}

.checkout-logo img {
  height: 76px;
  width: auto;
}

.checkout-back {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: color 0.2s ease;
}

.checkout-back:hover {
  color: var(--color-primary);
}

/* ============ Progress Bar ============ */
.progress-bar {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
}

.progress-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.progress-track::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border);
  transform: translateY(-50%);
  z-index: 0;
  border-radius: 2px;
}

.progress-fill {
  position: absolute;
  top: 50%;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: translateY(-50%);
  z-index: 1;
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-step {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.progress-step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 3px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-step.active .progress-step-circle {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  box-shadow: 0 0 0 4px rgba(15, 46, 92, 0.15);
}

.progress-step.completed .progress-step-circle {
  border-color: var(--color-success);
  background: var(--color-success);
  color: white;
}

.progress-step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

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

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

/* ============ Checkout Card ============ */
.checkout-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.checkout-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.checkout-card-header {
  padding: 2rem 2.5rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(15, 46, 92, 0.03) 0%, rgba(185, 28, 28, 0.03) 100%);
}

.checkout-card-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.checkout-card-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.checkout-card-body {
  padding: 2rem 2.5rem;
}

/* ============ Form Grid ============ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ Form Elements ============ */
.form-group {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-text);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-label .required {
  color: var(--color-secondary);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
  box-shadow: 0 0 0 4px rgba(15, 46, 92, 0.1);
}

.form-input::placeholder {
  color: #94a3b8;
}

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

/* ============ Step Animations ============ */
.checkout-step {
  display: none;
  animation: stepIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkout-step.active {
  display: block;
}

@keyframes stepIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes stepOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-20px);
  }
}

/* ============ Order Summary ============ */
.order-summary {
  background: linear-gradient(135deg, rgba(15, 46, 92, 0.04) 0%, rgba(185, 28, 28, 0.04) 100%);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
}

.order-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

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

.order-summary-label {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.order-summary-value {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.order-summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0 0;
  margin-top: 0.5rem;
  border-top: 2px solid var(--color-primary);
}

.order-summary-total .order-summary-label {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

.order-summary-total .order-summary-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

/* ============ Payment Method Selector ============ */
.payment-method-group {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: rgba(15, 46, 92, 0.03);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.payment-method-group label {
  display: block;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#paymentMethodSelect {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  cursor: pointer;
}

#paymentMethodSelect:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(15, 46, 92, 0.1);
}

#paymentMethodSelect option {
  padding: 0.75rem 1rem;
  background: white;
}

/* ============ Buttons ============ */
.checkout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  width: 100%;
}

.checkout-btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(15, 46, 92, 0.3);
}

.checkout-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 46, 92, 0.4);
}

.checkout-btn-primary:active {
  transform: translateY(0);
}

.checkout-btn-secondary {
  background: transparent;
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
}

.checkout-btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.checkout-btn-success {
  background: linear-gradient(135deg, var(--color-success) 0%, #15803d 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
}

.checkout-btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.4);
}

.checkout-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.checkout-btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.checkout-btn.loading .checkout-btn-spinner {
  display: inline-block;
}

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

/* ============ Messages ============ */
.msg {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: msgIn 0.3s ease;
}

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

.msg-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid #fecaca;
}

.msg-success {
  background: var(--color-success-bg);
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* ============ Step 3 - Account Creation ============ */
.account-created {
  text-align: center;
  padding: 2rem 0;
}

.account-created-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-success), #15803d);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.account-created h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.account-created p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* ============ Secure Badge ============ */
.secure-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* ============ Responsive ============ */
@media (max-width: 640px) {
  .checkout-card-header,
  .checkout-card-body {
    padding: 1.5rem;
  }

  .checkout-card-title {
    font-size: 1.25rem;
  }

  .progress-step-label {
    font-size: 0.65rem;
  }

  .progress-step-circle {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }

  .order-summary-total .order-summary-value {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .checkout-header-inner {
    padding: 0 1rem;
  }

  .checkout-container {
    padding: 1.5rem 1rem 3rem;
  }

  .progress-bar {
    padding: 1.5rem 1rem 0;
  }
}