/* CSS remains the same as the previous "Auto Navigate Fix" version */
    /* --- Base Variables (Light Theme) --- */
    :root {
      --bg-primary: #ffffff;
      --bg-secondary: #f8f9fa; /* Slightly off-white */
      --bg-tertiary: #e9ecef; /* Lighter gray for inputs, etc. */
      --text-primary: #212529; /* Dark gray */
      --text-secondary: #6c757d; /* Medium gray */
      --text-light: #ffffff;
      --accent: #007bff; /* Primary blue */
      --accent-hover: #0056b3; /* Darker blue */
      --accent-light: #cfe2ff; /* Light blue for highlights */
      --border: #dee2e6; /* Light gray border */
      --border-darker: #ced4da;
      --shadow-color: rgba(0, 0, 0, 0.08); /* Softer shadow */
      --shadow-strong-color: rgba(0, 0, 0, 0.12);
      --success: #198754;
      --info: #0dcaf0;
      --warning: #ffc107;
      --danger: #dc3545;
      --toggle-bg: #eeeeee;
      --toggle-icon-color: #ffcc00; /* Sun color */
      --spacing-unit: 1rem;
      --border-radius: 0.375rem; /* Bootstrap's default */
      --border-radius-lg: 0.5rem;
      --border-radius-sm: 0.25rem;
      --font-family-sans-serif: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }

    /* --- Dark Theme Variables --- */
    html.dark-theme {
      --bg-primary: #1a1d21; /* Very dark gray/blue */
      --bg-secondary: #2c3034; /* Darker gray */
      --bg-tertiary: #3a3f44; /* Medium dark gray */
      --text-primary: #e9ecef; /* Light gray */
      --text-secondary: #adb5bd; /* Medium light gray */
      --text-light: #ffffff;
      --accent: #4dabf7; /* Lighter blue for dark mode */
      --accent-hover: #3690f5;
      --accent-light: rgba(77, 171, 247, 0.15); /* Transparent light blue */
      --border: #495057; /* Darker border */
      --border-darker: #5e6770;
      --shadow-color: rgba(0, 0, 0, 0.3);
      --shadow-strong-color: rgba(0, 0, 0, 0.4);
      --success: #20c997;
      --info: #66d9e8;
      --warning: #ffec99;
      --danger: #ff8787;
      --toggle-bg: #333333;
      --toggle-icon-color: #f1c40f; /* Moon color */
    }

    /* --- Global Styles --- */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family-sans-serif);
      background-color: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      padding: var(--spacing-unit); /* Reduced padding */
      padding-top: calc(var(--spacing-unit) * 5); /* More space for fixed toggle */
      transition: background-color 0.3s ease, color 0.3s ease;
      position: relative;
    }

    .container {
      max-width: 960px; /* Adjusted max-width */
      margin: 0 auto;
      padding: 0 var(--spacing-unit); /* Padding on sides */
    }

    h1, h2, h3, h4, h5, h6 {
      margin-bottom: calc(var(--spacing-unit) * 0.75);
      font-weight: 700;
      line-height: 1.2;
      color: var(--text-primary);
    }

    p {
      margin-bottom: var(--spacing-unit);
      color: var(--text-secondary);
    }

    a {
      color: var(--accent);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    a:hover {
      color: var(--accent-hover);
      text-decoration: underline;
    }

    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle; /* Prevent bottom space */
    }

    fieldset {
      border: none;
      padding: 0;
      margin: 0;
      margin-bottom: var(--spacing-unit);
    }

    legend {
      font-weight: 700;
      margin-bottom: calc(var(--spacing-unit) * 0.5);
      padding: 0;
      color: var(--text-primary);
      width: auto; /* Fix legend width issue */
      float: none; /* Override browser defaults */
    }

    /* --- Theme Toggle --- */
    .theme-toggle {
      position: fixed; /* Keep toggle fixed */
      top: var(--spacing-unit);
      right: var(--spacing-unit);
      background-color: var(--toggle-bg);
      border-radius: 50%;
      width: 45px;
      height: 45px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border: 1px solid var(--border);
      box-shadow: 0 2px 5px var(--shadow-color);
      transition: background-color 0.3s ease, border-color 0.3s ease;
      overflow: hidden;
      z-index: 1030; /* Ensure it's on top */
    }

    .theme-toggle .icon {
      font-size: 1.5rem;
      transition: transform 0.3s ease, opacity 0.3s ease;
      position: absolute;
    }

    .theme-toggle .sun {
      opacity: 1;
      transform: translateY(0);
      color: var(--toggle-icon-color);
    }

    .theme-toggle .moon {
      opacity: 0;
      transform: translateY(100%);
      color: var(--toggle-icon-color);
    }

    html.dark-theme .theme-toggle .sun {
      opacity: 0;
      transform: translateY(-100%);
    }

    html.dark-theme .theme-toggle .moon {
      opacity: 1;
      transform: translateY(0);
    }

    /* --- Hero Section --- */
    .hero-section.with-image { /* Added class for distinction */
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: calc(var(--spacing-unit) * 3);
      text-align: left;
      margin-bottom: calc(var(--spacing-unit) * 3);
      padding: calc(var(--spacing-unit) * 2) 0;
      border-bottom: 1px solid var(--border);
    }

    .hero-section .hero-content {
      flex: 1;
    }

    .hero-section .hero-title {
      font-size: 2.8rem;
      color: var(--accent);
      margin-bottom: var(--spacing-unit);
    }

    .hero-section .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-secondary);
      max-width: 550px; /* Limit width */
      margin: 0; /* Reset margin */
    }

    .hero-section .hero-image {
      flex-basis: 300px; /* Adjust image size */
      max-width: 300px;
      border-radius: var(--border-radius-lg);
      object-fit: cover;
      box-shadow: 0 5px 15px var(--shadow-strong-color);
    }

    /* --- Calculator Slider Wrapper --- */
    .calculator-slider-wrapper {
      background-color: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--border-radius-lg);
      padding: calc(var(--spacing-unit) * 2);
      margin-bottom: calc(var(--spacing-unit) * 3);
      box-shadow: 0 5px 20px var(--shadow-color);
      transition: background-color 0.3s ease, border-color 0.3s ease;
      overflow: hidden; /* Contain slides */
      position: relative; /* For absolute positioning inside */
    }

    /* --- Horizontal Progress Indicator --- */
    .progress-indicator {
      display: flex;
      align-items: center;
      margin-bottom: calc(var(--spacing-unit) * 1.5);
      gap: var(--spacing-unit);
    }

    .progress-bar-container {
      flex-grow: 1;
      height: 8px;
      background-color: var(--bg-tertiary);
      border-radius: 4px;
      overflow: hidden;
    }

    .progress-bar {
      height: 100%;
      width: 0%; /* Initial width */
      background-color: var(--accent);
      border-radius: 4px;
      transition: width 0.4s ease-out;
    }

    .slider-counter {
      font-size: 0.9rem;
      color: var(--text-secondary);
      white-space: nowrap;
    }

    /* --- Calculator Slider --- */
    .calculator-slider {
      position: relative;
      width: 100%;
      display: flex; /* Use flexbox for sliding effect */
      transition: transform 0.4s ease-in-out;
    }

    .calculator-slide {
      min-width: 100%; /* Each slide takes full width */
      opacity: 0;
      transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
      visibility: hidden;
      position: absolute; /* Stack slides */
      top: 0;
      left: 0;
      padding: var(--spacing-unit); /* Add padding inside slide */
      transform: translateX(20px); /* Start further off-screen */
      pointer-events: none; /* Prevent interaction while hidden */
    }

    .calculator-slide.active {
      opacity: 1;
      visibility: visible;
      position: relative; /* Active slide takes space */
      transform: translateX(0); /* Bring into view */
      pointer-events: auto; /* Allow interaction when active */
    }

    .calculator-slider-item {
      min-height: 380px; /* Ensure consistent height */
      display: flex;
      flex-direction: column;
    }

    .calculator-slider-header {
      margin-bottom: calc(var(--spacing-unit) * 1.5);
      text-align: center;
    }

    .calculator-slider-title {
      font-size: 1.5rem;
      margin-bottom: calc(var(--spacing-unit) * 0.5);
    }

    .calculator-slider-subtitle {
      color: var(--text-secondary);
      font-size: 1rem;
    }

    /* --- Info Toggles & Tooltips --- */
    .info-toggle {
      cursor: pointer;
      color: var(--accent);
      font-size: 0.9rem;
      margin-left: 5px;
      white-space: nowrap;
    }
    .info-toggle i {
      vertical-align: middle;
      transition: transform 0.3s ease;
    }
    .info-toggle.open i {
       transform: rotate(180deg);
    }

    .info-content {
      display: none; /* Hidden by default */
      background-color: var(--bg-tertiary);
      border: 1px solid var(--border);
      border-radius: var(--border-radius-sm);
      padding: calc(var(--spacing-unit) * 0.75);
      margin-top: var(--spacing-unit);
      font-size: 0.9rem;
      color: var(--text-secondary);
      text-align: left;
    }
    .info-content p {
        margin-bottom: 0;
    }

    .tooltip-trigger {
      position: relative;
      display: inline-block;
      margin-left: 5px;
      cursor: help;
      color: var(--text-secondary);
    }

    .tooltip-trigger .tooltip-text {
      visibility: hidden;
      width: 200px;
      background-color: var(--bg-tertiary);
      color: var(--text-primary);
      text-align: center;
      border-radius: var(--border-radius-sm);
      padding: calc(var(--spacing-unit) * 0.5);
      position: absolute;
      z-index: 10; /* Ensure tooltip is above other elements */
      bottom: 125%; /* Position above the trigger */
      left: 50%;
      margin-left: -100px; /* Center the tooltip */
      opacity: 0;
      transition: opacity 0.3s;
      font-size: 0.85rem;
      border: 1px solid var(--border);
      box-shadow: 0 2px 5px var(--shadow-color);
    }

    .tooltip-trigger:hover .tooltip-text {
      visibility: visible;
      opacity: 1;
    }

    /* --- Input Styles (Radio, Checkbox, Select) --- */
    input[type="radio"],
    input[type="checkbox"] {
      margin-right: 8px;
      accent-color: var(--accent); /* Modern way to color */
      cursor: pointer;
      width: 1.1em; /* Slightly larger */
      height: 1.1em;
      vertical-align: middle;
      flex-shrink: 0; /* Prevent shrinking in flex layouts */
    }

    label {
      cursor: pointer;
      color: var(--text-primary);
      transition: color 0.3s ease;
      display: inline-flex; /* Use flex for better alignment */
      align-items: center; /* Align items vertically */
      gap: 5px; /* Space between input and text */
      vertical-align: middle;
    }

    /* Industry List */
    .calculator-industry-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); /* Slightly wider items */
      gap: var(--spacing-unit);
    }

    .calculator-industry-list-item label {
      display: flex;
      align-items: center;
      padding: calc(var(--spacing-unit) * 0.75);
      border: 1px solid var(--border);
      border-radius: var(--border-radius);
      background-color: var(--bg-primary);
      transition: background-color 0.2s ease, border-color 0.2s ease;
      font-size: 0.95rem;
      width: 100%; /* Ensure label takes full width */
      text-align: left;
    }
    .calculator-industry-list-item input[type="radio"] {
      display: none; /* Hide default radio */
    }
    .calculator-industry-list-item input[type="radio"]:checked + label {
      background-color: var(--accent-light);
      border-color: var(--accent);
      color: var(--accent-hover);
      font-weight: 700;
    }
    .calculator-industry-list-item label:hover {
      background-color: var(--bg-tertiary);
    }

    /* Select Wrapper */
    .calculator-select-wrapper {
      position: relative;
      max-width: 450px; /* Wider select */
      margin: 0 auto;
    }
    .calculator-select {
      display: block;
      width: 100%;
      padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
      padding-right: calc(var(--spacing-unit) * 3); /* Space for arrow */
      font-size: 1rem;
      font-weight: 400;
      line-height: 1.5;
      color: var(--text-primary);
      background-color: var(--bg-primary);
      background-clip: padding-box;
      border: 1px solid var(--border-darker);
      border-radius: var(--border-radius);
      appearance: none; /* Remove default arrow */
      transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out, background-color 0.3s ease, color 0.3s ease;
      cursor: pointer;
    }
    .calculator-select:focus {
      border-color: var(--accent);
      outline: 0;
      box-shadow: 0 0 0 0.25rem var(--accent-light);
    }
    .calculator-select-wrapper::after { /* Custom arrow */
      content: '\f107'; /* FontAwesome caret-down or use Phosphor */
      font-family: "Phosphor"; /* Assuming Phosphor is loaded globally */
      content: "\ea1a"; /* Phosphor caret-down */
      position: absolute;
      top: 50%;
      right: var(--spacing-unit);
      transform: translateY(-50%);
      pointer-events: none;
      color: var(--text-secondary);
      font-size: 1.2em;
    }

    /* Radio List (Horizontal) */
    .calculator-radio-list.horizontal {
      display: flex;
      justify-content: center;
      gap: var(--spacing-unit);
      flex-wrap: wrap;
    }

    .calculator-radio-list-item {
      position: relative; /* For tooltip positioning */
      display: flex; /* Align label and tooltip trigger */
      align-items: center;
      gap: 5px; /* Space between label and tooltip */
    }

    .calculator-radio-list.horizontal .calculator-radio-list-item label {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: var(--spacing-unit);
      border: 1px solid var(--border);
      border-radius: var(--border-radius);
      background-color: var(--bg-primary);
      transition: background-color 0.2s ease, border-color 0.2s ease;
      min-width: 130px; /* Slightly wider */
      gap: 0; /* Reset gap for internal label elements */
    }
    .calculator-radio-list.horizontal .calculator-radio-list-item input[type="radio"] {
      display: none; /* Hide default radio */
    }
    .calculator-radio-list.horizontal .calculator-radio-list-item input[type="radio"]:checked + label {
      background-color: var(--accent-light);
      border-color: var(--accent);
      color: var(--accent-hover);
    }
     .calculator-radio-list.horizontal .calculator-radio-list-item input[type="radio"]:checked + label .calculator-radio-list-text,
     .calculator-radio-list.horizontal .calculator-radio-list-item input[type="radio"]:checked + label .calculator-radio-list-number,
     .calculator-radio-list.horizontal .calculator-radio-list-item input[type="radio"]:checked + label .calculator-radio-list-icon i {
        color: var(--accent-hover);
        font-weight: 700;
     }

    .calculator-radio-list-text {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 5px;
    }

    .calculator-radio-list-number {
      font-size: 0.85rem;
      color: var(--text-secondary);
    }

    .calculator-radio-list.icon-list label {
      padding: calc(var(--spacing-unit) * 1.2);
    }

    .calculator-radio-list-icon {
      font-size: 2rem;
      margin-bottom: 10px;
      color: var(--accent);
      transition: color 0.2s ease;
    }
    .calculator-radio-list.horizontal .calculator-radio-list-item label:hover {
       background-color: var(--bg-tertiary);
    }

    /* Checkbox Group */
    .calculator-checkbox-group {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* Wider columns */
      gap: calc(var(--spacing-unit) * 1.5);
      text-align: left;
    }
    .calculator-checkbox-group fieldset {
        border: 1px solid var(--border);
        padding: var(--spacing-unit);
        border-radius: var(--border-radius);
        background-color: var(--bg-primary);
        display: flex; /* Use flex for better internal layout */
        flex-direction: column;
    }
    .calculator-checkbox-group legend {
        padding: 0 0.5em;
        margin-left: 0.5em; /* Align with checkbox padding */
        font-size: 0.9em;
        color: var(--text-secondary);
    }

    .calculator-checkbox-list {
      display: flex;
      flex-direction: column;
      gap: calc(var(--spacing-unit) * 0.75);
    }

    .calculator-checkbox-list-item {
      display: flex;
      align-items: center;
    }
    .calculator-checkbox-list-item label {
        flex-grow: 1; /* Allow label text to wrap */
    }

    .calculator-checkbox-group.vertical {
        grid-template-columns: 1fr; /* Single column */
    }
    .calculator-checkbox-group.vertical .calculator-checkbox-list.vertical {
        gap: calc(var(--spacing-unit) * 1);
    }

    .single-radio { /* For 'Not sure' options */
        grid-column: 1 / -1; /* Span full width if needed */
        margin-top: var(--spacing-unit);
        padding-top: var(--spacing-unit);
        border-top: 1px solid var(--border);
    }
    .single-radio label {
        font-style: italic;
        color: var(--text-secondary);
    }

    /* Manual Next Button Area for Checkbox Slides */
    .manual-next-area {
        margin-top: calc(var(--spacing-unit) * 1.5);
        text-align: right; /* Position button to the right */
        padding-top: var(--spacing-unit);
        border-top: 1px solid var(--border);
    }
    .manual-next-btn {
        /* Use existing slider-btn styles */
    }


    /* --- Chart Container --- */
    .chart-container {
      max-width: 450px;
      margin: calc(var(--spacing-unit) * 1.5) auto;
      background-color: var(--bg-primary);
      padding: var(--spacing-unit);
      border-radius: var(--border-radius);
      border: 1px solid var(--border);
    }

    /* --- Estimation Summary --- */
    .estimation-summary {
      text-align: center;
      margin-top: var(--spacing-unit);
      padding: var(--spacing-unit);
      background-color: var(--accent-light);
      border-radius: var(--border-radius);
      border: 1px solid var(--accent);
    }
    .estimation-summary h4 {
      color: var(--accent-hover);
      margin-bottom: calc(var(--spacing-unit) * 0.5);
      font-size: 1.3rem;
    }
    .estimation-summary p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin-bottom: 5px;
    }
    html.dark-theme .estimation-summary {
        background-color: rgba(77, 171, 247, 0.2); /* Darker accent light */
        border-color: var(--accent);
    }
     html.dark-theme .estimation-summary h4 {
         color: var(--accent);
     }
     html.dark-theme .estimation-summary p {
         color: var(--text-secondary);
     }


    /* --- Slider Controls --- */
    .calculator-controls {
      /* Wrapper is hidden by default via inline style in HTML */
      /* Styles below are for when it's shown (e.g., manually for Calculate) */
      margin-top: calc(var(--spacing-unit) * 1.5);
      padding-top: calc(var(--spacing-unit) * 1.5);
      border-top: 1px solid var(--border);
    }

    .slider-nav {
      display: flex;
      justify-content: flex-end; /* Align calculate button to the right */
      align-items: center;
    }

    /* Hide specific buttons by default */
    #prev, #next {
        display: none !important;
    }
    /* Calculate button is also hidden initially, shown via JS */
    #calculate {
        display: none;
    }


    .slider-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: calc(var(--spacing-unit) * 0.6) calc(var(--spacing-unit) * 1.2);
      background-color: var(--bg-tertiary);
      color: var(--text-primary);
      border: 1px solid var(--border-darker);
      border-radius: var(--border-radius);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
      font-family: inherit;
    }
    .slider-btn i {
      font-size: 1.2em;
    }

    .slider-btn:hover:not(:disabled) {
      background-color: var(--border);
      border-color: var(--border-darker);
    }

    .slider-btn.calculate-btn,
    .slider-btn.primary-btn,
    .manual-next-btn { /* Style manual buttons like primary */
      background-color: var(--accent);
      color: var(--text-light);
      border-color: var(--accent);
    }

    .slider-btn.calculate-btn:hover:not(:disabled),
    .slider-btn.primary-btn:hover:not(:disabled),
    .manual-next-btn:hover:not(:disabled) {
      background-color: var(--accent-hover);
      border-color: var(--accent-hover);
    }

    .slider-btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      background-color: var(--bg-tertiary);
      border-color: var(--border-darker);
      color: var(--text-secondary);
    }
    .slider-btn.calculate-btn:disabled,
    .slider-btn.primary-btn:disabled,
    .manual-next-btn:disabled {
        background-color: var(--accent);
        border-color: var(--accent);
        color: var(--text-light);
        opacity: 0.5;
    }


    /* --- Content Sections (Methodology, FAQ) --- */
    .content-section {
      margin-top: calc(var(--spacing-unit) * 3);
      padding: calc(var(--spacing-unit) * 2);
      background-color: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--border-radius-lg);
      transition: background-color 0.3s ease, border-color 0.3s ease;
    }
    .content-section h2 {
      text-align: center;
      margin-bottom: calc(var(--spacing-unit) * 1.5);
      color: var(--accent);
    }
    .content-section ul {
      list-style-position: inside;
      margin-bottom: var(--spacing-unit);
      padding-left: var(--spacing-unit);
    }
    .content-section li {
      margin-bottom: calc(var(--spacing-unit) * 0.5);
    }

    .timeline-placeholder {
      text-align: center;
      padding: var(--spacing-unit);
      background-color: var(--bg-tertiary);
      border-radius: var(--border-radius);
      margin-top: var(--spacing-unit);
      font-size: 0.9rem;
      color: var(--text-secondary);
    }

    /* FAQ Specific */
    .faq-item {
      border-bottom: 1px solid var(--border);
      margin-bottom: var(--spacing-unit);
      padding-bottom: var(--spacing-unit);
    }
    .faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    .faq-item summary {
      font-weight: 700;
      cursor: pointer;
      list-style: none; /* Remove default marker */
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-primary);
      padding: calc(var(--spacing-unit) * 0.5) 0; /* Add some padding */
    }
    .faq-item summary::-webkit-details-marker {
      display: none; /* Hide marker in Chrome/Safari */
    }
    .faq-item summary i {
        transition: transform 0.3s ease;
        color: var(--accent);
        font-size: 1.2em;
        flex-shrink: 0; /* Prevent icon shrinking */
        margin-left: var(--spacing-unit);
    }
    .faq-item[open] summary i {
        transform: rotate(180deg);
    }
    .faq-item p {
      margin-top: var(--spacing-unit);
      padding-left: var(--spacing-unit); /* Indent content */
      font-size: 0.95rem;
    }

    /* Responsive Adjustments */
    @media (max-width: 992px) {
        .hero-section.with-image {
            flex-direction: column;
            text-align: center;
        }
        .hero-section .hero-image {
            flex-basis: auto;
            max-width: 250px; /* Smaller image on mobile */
            margin-top: var(--spacing-unit);
        }
        .hero-section .hero-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
    }

    @media (max-width: 768px) {
      body {
        padding: var(--spacing-unit);
        padding-top: calc(var(--spacing-unit) * 5); /* More space for fixed toggle */
      }
      .hero-section .hero-title {
        font-size: 2rem;
      }
      .calculator-slider-wrapper {
        padding: var(--spacing-unit);
      }
      .calculator-radio-list.horizontal .calculator-radio-list-item {
         flex-basis: calc(50% - var(--spacing-unit) / 2); /* Two columns approx */
      }
      .calculator-radio-list.horizontal .calculator-radio-list-item label {
         padding: calc(var(--spacing-unit) * 0.8);
         min-width: 100px;
      }
       .calculator-checkbox-group {
          grid-template-columns: 1fr; /* Stack fieldsets */
       }
       /* Manual next area adjustments */
       .manual-next-area {
           text-align: center; /* Center button on mobile */
       }
       .manual-next-btn {
           width: 100%; /* Full width button */
       }
       /* Hide original controls wrapper if shown */
       .calculator-controls {
           display: none !important;
       }
    }

     @media (max-width: 576px) { /* Extra small screens */
        .hero-section .hero-title {
            font-size: 1.8rem;
        }
        .hero-section .hero-subtitle {
            font-size: 1rem;
        }
        .calculator-slider-title {
            font-size: 1.3rem;
        }
        .calculator-industry-list {
            grid-template-columns: 1fr; /* Single column */
        }
        .calculator-radio-list.horizontal .calculator-radio-list-item {
            flex-basis: 100%; /* Full width */
        }
     }