/* General Reset & Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --white-color: #ffffff;
  --border-color: #dee2e6;
  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --border-radius: 0.3rem; /* Slightly increased border radius */
  --spacing-unit: 1rem;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
  font-family: var(--font-family-sans-serif);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--light-color);
  padding: 0; /* Remove body padding, handle spacing with main/header/footer */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-size: 16px; /* Base font size */
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 0.75rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--dark-color);
}

h1 { font-size: 2.25rem; } /* Slightly adjusted sizes */
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* Header */
header {
  background-color: var(--white-color);
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

header h1 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

header p {
    color: var(--secondary-color);
    margin-bottom: 0;
    font-size: 1rem;
}

/* Main Content Area */
main {
  flex-grow: 1;
  width: 100%;
  max-width: 960px; /* Adjust max-width as needed */
  margin: 0 auto; /* Center the main content */
  padding: calc(var(--spacing-unit) * 1.5);
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

/* Footer */
footer {
  text-align: center;
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
  margin-top: auto; /* Pushes footer to bottom */
  color: var(--secondary-color);
  font-size: 0.9em;
  border-top: 1px solid var(--border-color);
  background-color: var(--light-color);
}

/* Progress Indicator */
#progress-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: calc(var(--spacing-unit) * 2);
  padding-bottom: var(--spacing-unit);
  border-bottom: 1px solid var(--border-color);
  counter-reset: step;
}

#progress-indicator .step {
  text-align: center;
  color: var(--secondary-color);
  flex: 1;
  padding: 0.5rem 0.25rem;
  border-bottom: 4px solid transparent;
  position: relative;
  font-size: 0.9em;
  transition: all 0.3s ease;
}

#progress-indicator .step span {
  display: inline-block; /* Changed to inline-block */
  width: 24px;
  height: 24px;
  line-height: 24px;
  border-radius: 50%;
  background-color: var(--secondary-color);
  color: var(--white-color);
  margin-right: 0.5em; /* Spacing between number and text */
  font-weight: bold;
  transition: background-color 0.3s ease;
}

#progress-indicator .step.active {
  color: var(--primary-color);
  font-weight: bold;
  border-bottom-color: var(--primary-color);
}

#progress-indicator .step.active span {
  background-color: var(--primary-color);
}

#progress-indicator .step.completed {
  color: var(--success-color);
  border-bottom-color: var(--success-color);
}

#progress-indicator .step.completed span {
  background-color: var(--success-color);
}

/* Form Steps */
.form-step {
  display: none; /* Hide steps by default */
  animation: fadeIn 0.5s ease-in-out;
}

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

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

.form-step h2 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}
.form-step > p {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

/* Forms General */
.form-group {
  margin-bottom: 1.25rem; /* Increased spacing */
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  font-size: 0.95em;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem; /* Adjusted padding */
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Input Validation Styles */
.form-group input:invalid:not(:placeholder-shown), /* Style invalid inputs only after interaction */
.form-group select:invalid,
.form-group textarea:invalid:not(:placeholder-shown),
.form-group input.invalid-input, /* Style based on JS validation */
.form-group select.invalid-input,
.form-group textarea.invalid-input {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25); /* Red shadow for error */
}

.error-message {
  color: var(--danger-color);
  font-size: 0.875em;
  margin-top: 0.35rem;
  display: none; /* Hidden by default, shown by JS */
}

/* Form Row for side-by-side elements */
.form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-start; /* Align items at the top */
}

.form-row .form-group {
    flex: 1; /* Each group takes equal space */
    margin-bottom: 0; /* Remove bottom margin as gap handles spacing */
}

/* Buttons */
.btn, button {
  display: inline-block;
  font-weight: 500; /* Slightly bolder */
  color: var(--dark-color);
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.75rem 1.5rem; /* Increased padding */
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: all 0.2s ease-in-out; /* Smooth transition for all properties */
}

.btn:hover {
  text-decoration: none;
}

.btn:focus, .btn.focus,
button:focus, button.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.35); /* Default focus */
}

/* Primary Button (CTA) */
.btn-primary, .primary-cta {
  color: var(--white-color);
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover, .primary-cta:hover {
  color: var(--white-color);
  background-color: #0056b3;
  border-color: #004085;
  transform: translateY(-2px); /* Slight lift on hover */
  box-shadow: var(--shadow-md);
}

.btn-primary:focus, .btn-primary.focus,
.primary-cta:focus, .primary-cta.focus {
  box-shadow: 0 0 0 0.2rem rgba(38, 143, 255, 0.5);
}

/* Secondary Button */
.btn-secondary, .secondary-cta {
  color: var(--white-color);
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-secondary:hover, .secondary-cta:hover {
  color: var(--white-color);
  background-color: #5a6268;
  border-color: #545b62;
}

.btn-secondary:focus, .btn-secondary.focus,
.secondary-cta:focus, .secondary-cta.focus {
  box-shadow: 0 0 0 0.2rem rgba(130, 138, 145, 0.5);
}

/* Success Button */
.btn-success {
  color: #fff;
  background-color: var(--success-color);
  border-color: var(--success-color);
}
.btn-success:hover {
  color: #fff;
  background-color: #1e7e34;
  border-color: #1c7430;
}

/* Default Button (like Previous) */
.prev-btn {
    background-color: var(--light-color);
    border-color: var(--border-color);
    color: var(--dark-color);
}

.prev-btn:hover {
    background-color: #e2e6ea;
    border-color: #dae0e5;
}

/* Navigation Buttons Container */
.navigation-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: calc(var(--spacing-unit) * 2);
  padding-top: var(--spacing-unit);
  border-top: 1px solid var(--border-color);
}

/* Make single button full width if needed */
.navigation-buttons button:only-child {
    margin-left: auto;
}
.navigation-buttons #start-over-btn {
    margin: 0 auto; /* Center the start over button */
}


/* Variant Selection Cards */
.variant-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 1.5);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.variant-card {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  position: relative; /* Needed for absolute positioning of radio */
  overflow: hidden; /* Ensure label covers card */
}

.variant-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none; /* Hide the actual radio button */
}

.variant-card .variant-label {
  display: block;
  padding: calc(var(--spacing-unit) * 1.25);
  text-align: center;
  cursor: pointer;
  height: 100%; /* Make label fill the card */
}

.variant-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* Style selected card based on JS adding .selected class */
.variant-card.selected {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.3);
  background-color: #e7f3ff; /* Light blue background for selected */
}
.variant-card.selected .variant-label h3 {
    color: var(--primary-color);
}

.variant-label h3 {
  color: var(--dark-color); /* Default title color */
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}
.variant-label p {
    font-size: 0.95em;
    color: var(--secondary-color);
    min-height: 3em; /* Ensure consistent height for description */
}

.variant-label ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  text-align: left;
  color: var(--secondary-color);
  font-size: 0.9em;
}

.variant-label ul li {
  margin-bottom: 0.5rem;
  padding-left: 1.5em;
  position: relative;
}

.variant-label ul li::before {
  content: '✓'; /* Checkmark icon */
  color: var(--success-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.variant-label .price-placeholder {
  display: block;
  font-size: 1.5em;
  font-weight: bold;
  color: var(--dark-color);
  margin-top: 1rem;
}

#variant-error {
    color: var(--danger-color);
    font-size: 0.9em;
    margin-top: 0.5rem;
    text-align: center;
}

/* Quote Summary & Policy Certificate (Shared Styles) */
.summary-box {
  margin-top: calc(var(--spacing-unit) * 1.5);
  padding: calc(var(--spacing-unit) * 1.5);
  background-color: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.summary-box h3, .summary-box h4 {
  margin-bottom: var(--spacing-unit);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.summary-box p {
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.summary-box strong {
  display: inline-block;
  min-width: 140px; /* Adjust as needed for alignment */
  margin-right: 0.5rem;
  color: var(--dark-color);
}

.summary-box hr {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: var(--spacing-unit) 0;
}

/* Quote Summary Specifics */
#quote-summary .final-premium {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--primary-color);
  margin-top: 1rem;
  text-align: right;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-unit);
}
#quote-summary .final-premium strong {
    min-width: auto; /* Reset min-width for the label */
    margin-right: 0.5em;
}

/* Payment Section */
.payment-total {
    font-size: 1.1em;
    font-weight: bold;
    margin-top: 1.5rem;
    text-align: right;
}
.payment-total strong {
    color: var(--primary-color);
}
#payment-feedback {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    text-align: center;
}
#payment-feedback.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
#payment-feedback.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}


/* Policy Certificate Specifics */
.policy-certificate.certificate { /* Use .certificate class from HTML */
  border: 2px solid var(--dark-color);
  background-color: var(--white-color);
  box-shadow: var(--shadow-sm);
}

.policy-certificate h3 {
  text-align: center;
  color: var(--primary-color);
  font-size: 1.6rem;
}

.policy-certificate h4 {
  color: var(--primary-color);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.25rem;
}

.policy-certificate #download-pdf-btn {
    margin-top: 1.5rem;
    display: inline-block; /* Overrides style="display: none;" when needed */
}


/* Responsive Design */
@media (max-width: 768px) {
  body {
      font-size: 15px;
  }

  main {
    padding: var(--spacing-unit);
    margin-left: var(--spacing-unit);
    margin-right: var(--spacing-unit);
  }

  header, footer {
    padding: var(--spacing-unit);
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }

  #progress-indicator {
      font-size: 0.8em; /* Make step text smaller */
      flex-wrap: wrap; /* Allow steps to wrap if needed */
      margin-bottom: 1.5rem;
  }
  #progress-indicator .step {
      padding: 0.4rem 0.1rem;
      flex-basis: 33%; /* Roughly 3 steps per line */
  }
   #progress-indicator .step span {
      width: 20px;
      height: 20px;
      line-height: 20px;
      margin-right: 0.3em;
  }

  .variant-selection {
     grid-template-columns: 1fr; /* Stack cards on smaller screens */
     gap: var(--spacing-unit);
  }

  .navigation-buttons {
      flex-direction: column;
      gap: 0.75rem;
  }
  .navigation-buttons button {
      width: 100%;
  }
  .navigation-buttons button:only-child {
     margin-left: 0; /* Reset margin */
  }

  .form-row {
      flex-direction: column;
      gap: 0; /* Remove gap as margin handles spacing */
  }
  .form-row .form-group {
      margin-bottom: 1.25rem; /* Add margin back */
  }

}

@media (max-width: 576px) {
   body {
      font-size: 14px;
   }
   main {
      padding: calc(var(--spacing-unit) * 0.75);
      margin-left: calc(var(--spacing-unit) * 0.5);
      margin-right: calc(var(--spacing-unit) * 0.5);
   }
   header, footer {
     padding: calc(var(--spacing-unit) * 0.75);
   }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }

  .btn, button {
    font-size: 0.9rem;
    padding: 0.65rem 1.2rem;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="number"],
  .form-group input[type="date"],
  .form-group select,
  .form-group textarea {
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
  }

   .summary-box strong {
       min-width: 100px;
   }
   #progress-indicator .step {
      flex-basis: 50%; /* 2 steps per line */
   }
   .variant-label ul {
       font-size: 0.85em;
   }
   .variant-label .price-placeholder {
       font-size: 1.3em;
   }
}

/* Accessibility */
*:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: none; /* Override default focus shadows if outline is preferred */
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-unit); }
.mb-1 { margin-bottom: var(--spacing-unit); }
.d-none { display: none !important; } /* Helper to hide elements */