/* ============================================
       CHAIN REACTION — CONTACT FORM
       Single-section layout with logo-mark checkboxes
       ============================================ */

    :root {
      --cr-red: #E8174C;
      --cr-red-soft: rgba(232, 23, 76, 0.04);
      --cr-red-softer: rgba(232, 23, 76, 0.06);
      --cr-red-hover: rgba(232, 23, 76, 0.55);
      --cr-red-ring: rgba(232, 23, 76, 0.12);
      --cr-red-focus: rgba(232, 23, 76, 0.25);
      --cr-bg: #ffffff;
      --cr-page-bg: #f6f5f1;
      --cr-text: #1a1a1a;
      --cr-text-muted: #666666;
      --cr-text-hint: #999999;
      --cr-border: rgba(0, 0, 0, 0.15);
      --cr-border-strong: rgba(0, 0, 0, 0.3);
      --cr-radius-md: 8px;
      --cr-radius-lg: 12px;
      --cr-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    .cr-page * { box-sizing: border-box; }

    .cr-page {
      max-width: 720px;
      margin: 0 auto;
      padding: 2.5rem 1rem;
      background: var(--cr-page-bg);
      color: var(--cr-text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      font-size: 16px;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    .cr-card {
      background: var(--cr-bg);
      border: 0.5px solid var(--cr-border);
      border-radius: var(--cr-radius-lg);
      padding: 2rem;
    }

    @media (max-width: 600px) {
      .cr-card { padding: 1.5rem; }
      .cr-page { padding: 1rem; }
    }

    /* ---------- Header ---------- */
    .cr-header-title {
      font-size: 18px;
      font-weight: 500;
      letter-spacing: 0.08em;
      color: var(--cr-red);
      margin: 0;
    }
    .cr-header-subtitle {
      font-size: 14px;
      color: var(--cr-text-muted);
      margin: 6px 0 0;
      font-weight: 400;
    }
    .cr-header-underline {
      width: 36px;
      height: 2px;
      background: var(--cr-red);
      margin: 16px 0 28px;
      border: 0;
    }

    /* ---------- Sections ---------- */
    .cr-section-title {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.1em;
      color: var(--cr-red);
      margin: 0 0 14px;
      padding-bottom: 8px;
      border-bottom: 0.5px solid var(--cr-border);
    }

    .cr-section { margin-bottom: 28px; }

    /* ---------- Form fields ---------- */
    .cr-field-label {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.08em;
      color: var(--cr-text);
      margin-bottom: 6px;
      display: block;
    }
    .cr-field-label .req { color: var(--cr-red); }

    .cr-input,
    .cr-textarea {
      width: 100%;
      padding: 10px 12px;
      font-size: 14px;
      font-family: inherit;
      color: var(--cr-text);
      background: var(--cr-bg);
      border: 0.5px solid var(--cr-border);
      border-radius: var(--cr-radius-md);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .cr-input { height: 40px; }
    .cr-textarea {
      min-height: 88px;
      resize: vertical;
      line-height: 1.5;
      padding: 12px;
    }

    .cr-input:hover,
    .cr-textarea:hover { border-color: var(--cr-border-strong); }
    .cr-input:focus,
    .cr-textarea:focus {
      border-color: var(--cr-red);
      box-shadow: 0 0 0 3px var(--cr-red-ring);
    }

    .cr-grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 12px;
    }
    .cr-grid-2:last-child { margin-bottom: 0; }

    @media (max-width: 500px) {
      .cr-grid-2 { grid-template-columns: 1fr; }
    }

    /* ---------- Logo-mark checkbox / radio ---------- */
    .cr-options {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4px 20px;
    }
    @media (max-width: 500px) {
      .cr-options { grid-template-columns: 1fr; }
    }

    .cr-opt {
      position: relative;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      cursor: pointer;
      padding: 8px;
      margin: -2px;
      border-radius: var(--cr-radius-md);
      user-select: none;
      transition: background 0.2s ease, transform 0.28s var(--cr-spring);
    }
    .cr-opt:hover {
      background: var(--cr-red-soft);
      transform: translateY(-2px);
    }
    .cr-opt:active { transform: translateY(0); }

    /* Hide the real input visually but keep it clickable + accessible */
    .cr-opt input {
      position: absolute;
      opacity: 0;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      margin: 0;
      cursor: pointer;
    }

    /* Keyboard focus ring on the mark */
    .cr-opt input:focus-visible + .cr-mark {
      box-shadow: 0 0 0 3px var(--cr-red-focus);
      border-radius: 50%;
    }

    .cr-mark {
      width: 22px;
      height: 22px;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s var(--cr-spring);
      position: relative;
      z-index: 1;
    }
    .cr-mark svg { display: block; }

    /* Hover pop */
    .cr-opt:hover .cr-mark { transform: scale(1.15); }
    .cr-opt:active .cr-mark { transform: scale(0.92); }

    /* Mark states (off by default) */
    .cr-mark .ring-off {
      stroke: var(--cr-border-strong);
      transition: stroke 0.2s ease, opacity 0.25s ease;
    }
    .cr-mark .bar-off {
      fill: var(--cr-border-strong);
      transition: fill 0.2s ease, opacity 0.25s ease;
    }
    .cr-mark .ring-on,
    .cr-mark .bar-on {
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    /* Hover preview (not yet selected) — show faint red */
    .cr-opt:hover .cr-mark .ring-off { stroke: var(--cr-red-hover); }
    .cr-opt:hover .cr-mark .bar-off  { fill: var(--cr-red-hover); }

    /* Checked state (driven by the real input) */
    .cr-opt input:checked + .cr-mark .ring-off,
    .cr-opt input:checked + .cr-mark .bar-off { opacity: 0; }
    .cr-opt input:checked + .cr-mark .ring-on,
    .cr-opt input:checked + .cr-mark .bar-on  { opacity: 1; }
    .cr-opt input:checked + .cr-mark { transform: scale(1.08); }
    .cr-opt:hover input:checked + .cr-mark { transform: scale(1.18); }

    /* Row tint when selected */
    .cr-opt:has(input:checked) { background: var(--cr-red-softer); }

    /* ---------- Follow-up panels (single-panel stepper) ---------- */
    .cr-followups {
      margin-top: 14px;
      display: none;
    }
    .cr-followups.visible { display: block; }

    .cr-followup {
      padding: 16px 18px;
      background: var(--cr-red-softer);
      border-left: 3px solid var(--cr-red);
      border-radius: 0 var(--cr-radius-md) var(--cr-radius-md) 0;
    }

    .cr-followup-header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 4px;
    }

    .cr-followup-label {
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.1em;
      color: var(--cr-red);
      text-transform: uppercase;
    }

    .cr-followup-progress {
      font-size: 10px;
      color: #991F3D;
      letter-spacing: 0.08em;
      opacity: 0.75;
    }

    .cr-followup-q-label {
      font-size: 12px;
      font-weight: 500;
      color: #991F3D;
      margin-bottom: 8px;
      letter-spacing: 0.02em;
    }
    .cr-q-required {
      color: var(--cr-red);
      font-weight: 500;
      margin-left: 2px;
    }

    /* Free-text question input */
    .cr-q-text-input {
      width: 100%;
      height: 36px;
      padding: 0 12px;
      font-size: 13px;
      font-family: inherit;
      color: var(--cr-text);
      background: var(--cr-bg);
      border: 0.5px solid rgba(232, 23, 76, 0.3);
      border-radius: var(--cr-radius-md);
      outline: none;
      box-sizing: border-box;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .cr-q-text-input:hover { border-color: var(--cr-red); }
    .cr-q-text-input:focus {
      border-color: var(--cr-red);
      box-shadow: 0 0 0 3px var(--cr-red-ring);
    }

    /* Inline validation error */
    .cr-followup-error {
      font-size: 12px;
      color: var(--cr-red);
      padding: 8px 12px;
      margin-top: 12px;
      background: rgba(232, 23, 76, 0.08);
      border-left: 2px solid var(--cr-red);
      border-radius: 0 var(--cr-radius-md) var(--cr-radius-md) 0;
      display: none;
      animation: crErrorIn 0.25s ease;
    }
    .cr-followup-error.visible { display: block; }
    @keyframes crErrorIn {
      from { opacity: 0; transform: translateY(-4px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .cr-q-block {
      margin-bottom: 14px;
    }
    .cr-q-block:last-of-type {
      margin-bottom: 14px;
    }
    /* Visual separator between questions within the same service */
    .cr-q-block + .cr-q-block {
      padding-top: 12px;
      border-top: 0.5px dashed rgba(232, 23, 76, 0.25);
    }

    .cr-followup-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    /* Budget select + "Other" text field */
    .cr-q-budget select {
      width: 100%;
      height: 36px;
      padding: 0 12px;
      font-size: 13px;
      font-family: inherit;
      color: var(--cr-text);
      background: var(--cr-bg);
      border: 0.5px solid rgba(232, 23, 76, 0.3);
      border-radius: var(--cr-radius-md);
      outline: none;
      cursor: pointer;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      appearance: none;
      -webkit-appearance: none;
      background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' stroke='%23991F3D' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
      background-repeat: no-repeat;
      background-position: right 12px center;
      padding-right: 32px;
    }
    .cr-q-budget select:hover { border-color: var(--cr-red); }
    .cr-q-budget select:focus {
      border-color: var(--cr-red);
      box-shadow: 0 0 0 3px var(--cr-red-ring);
    }

    .cr-budget-other {
      width: 100%;
      height: 0;
      padding: 0 12px;
      margin: 0;
      font-size: 13px;
      font-family: inherit;
      color: var(--cr-text);
      background: var(--cr-bg);
      border: 0.5px solid rgba(232, 23, 76, 0.3);
      border-radius: var(--cr-radius-md);
      outline: none;
      opacity: 0;
      overflow: hidden;
      box-sizing: border-box;
      transition: height 0.25s ease, opacity 0.25s ease, margin-top 0.25s ease, padding 0.25s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .cr-budget-other.visible {
      height: 36px;
      padding: 0 12px;
      margin-top: 8px;
      opacity: 1;
    }
    .cr-budget-other:focus {
      border-color: var(--cr-red);
      box-shadow: 0 0 0 3px var(--cr-red-ring);
    }

    /* Stepper footer: prev/next */

    .cr-chip {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding: 6px 12px;
      background: var(--cr-bg);
      border: 0.5px solid rgba(232, 23, 76, 0.3);
      border-radius: 999px;
      font-size: 12px;
      color: #991F3D;
      cursor: pointer;
      user-select: none;
      transition: all 0.2s ease, transform 0.2s var(--cr-spring);
    }
    .cr-chip:hover {
      border-color: var(--cr-red);
      transform: translateY(-1px);
    }
    .cr-chip input {
      position: absolute;
      opacity: 0;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      margin: 0;
      cursor: pointer;
    }
    .cr-chip:has(input:checked) {
      background: var(--cr-red);
      color: white;
      border-color: var(--cr-red);
    }
    .cr-chip input:focus-visible ~ span {
      text-decoration: underline;
    }

    /* Stepper footer: prev/next */
    .cr-followup-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 12px;
      border-top: 0.5px solid rgba(232, 23, 76, 0.2);
    }

    .cr-step-dots {
      display: flex;
      gap: 5px;
      align-items: center;
    }
    .cr-step-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: rgba(232, 23, 76, 0.25);
      border: none;
      padding: 0;
      cursor: pointer;
      /* Larger hit area without changing visual size */
      box-shadow: 0 0 0 6px transparent;
      transition: background 0.2s ease, transform 0.25s var(--cr-spring), box-shadow 0.15s ease;
    }
    .cr-step-dot:hover {
      background: var(--cr-red);
      box-shadow: 0 0 0 6px rgba(232, 23, 76, 0.08);
    }
    .cr-step-dot:focus-visible {
      outline: 2px solid var(--cr-red);
      outline-offset: 3px;
    }
    .cr-step-dot.done { background: var(--cr-red); }
    .cr-step-dot.active {
      background: var(--cr-red);
      transform: scale(1.4);
      cursor: default;
    }

    .cr-step-actions { display: flex; gap: 8px; }

    .cr-step-btn {
      background: transparent;
      border: 0.5px solid rgba(232, 23, 76, 0.35);
      color: #991F3D;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.04em;
      padding: 6px 14px;
      border-radius: 999px;
      cursor: pointer;
      font-family: inherit;
      transition: all 0.2s ease;
    }
    .cr-step-btn:hover { border-color: var(--cr-red); background: var(--cr-bg); }
    .cr-step-btn:disabled { opacity: 0.35; cursor: not-allowed; }
    .cr-step-btn.primary {
      background: var(--cr-red);
      color: white;
      border-color: var(--cr-red);
    }
    .cr-step-btn.primary:hover { opacity: 0.9; background: var(--cr-red); }

    /* Slide transition between steps */
    .cr-step-content {
      position: relative;
      min-height: 80px;
    }
    .cr-step-content.out-left { animation: crStepOutLeft 0.22s ease forwards; }
    .cr-step-content.in-right { animation: crStepInRight 0.3s var(--cr-spring); }
    .cr-step-content.out-right { animation: crStepOutRight 0.22s ease forwards; }
    .cr-step-content.in-left { animation: crStepInLeft 0.3s var(--cr-spring); }

    @keyframes crStepOutLeft {
      from { opacity: 1; transform: translateX(0); }
      to   { opacity: 0; transform: translateX(-20px); }
    }
    @keyframes crStepInRight {
      from { opacity: 0; transform: translateX(20px); }
      to   { opacity: 1; transform: translateX(0); }
    }
    @keyframes crStepOutRight {
      from { opacity: 1; transform: translateX(0); }
      to   { opacity: 0; transform: translateX(20px); }
    }
    @keyframes crStepInLeft {
      from { opacity: 0; transform: translateX(-20px); }
      to   { opacity: 1; transform: translateX(0); }
    }

    /* Live brief panel (unchanged from option D) */

    /* ---------- Newsletter row ---------- */
    .cr-newsletter-row {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
    }
    .cr-newsletter-row .cr-opt { min-width: 140px; }

    /* ---------- Submit / footer ---------- */
    .cr-footer {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      padding-top: 20px;
      margin-top: 8px;
      border-top: 0.5px solid var(--cr-border);
      gap: 16px;
      flex-wrap: wrap;
    }

    /* Honeypot — invisible spam-trap field that real users can't see or focus.
       Bots that auto-fill every input will trip it, and we reject the submission. */
    .cr-honeypot {
      position: absolute !important;
      left: -10000px !important;
      top: auto !important;
      width: 1px !important;
      height: 1px !important;
      overflow: hidden !important;
      opacity: 0 !important;
      pointer-events: none !important;
    }

    .cr-submit {
      background: transparent;
      border: none;
      color: var(--cr-red);
      font-weight: 500;
      font-size: 14px;
      letter-spacing: 0.12em;
      padding: 8px 0;
      border-bottom: 2px solid var(--cr-red);
      border-radius: 0;
      cursor: pointer;
      font-family: inherit;
      transition: opacity 0.2s ease, letter-spacing 0.25s ease;
    }
    .cr-submit:hover {
      opacity: 0.75;
      letter-spacing: 0.18em;
    }
    .cr-submit:focus-visible {
      outline: 2px solid var(--cr-red);
      outline-offset: 4px;
    }

    /* ---------- Success message ---------- */
    .cr-success {
      display: none;
      padding: 14px 16px;
      background: var(--cr-red-softer);
      border: 1px solid var(--cr-red);
      border-radius: var(--cr-radius-md);
      color: var(--cr-red);
      font-size: 14px;
      margin-bottom: 20px;
    }
    .cr-success.visible { display: block; }

    /* ---------- Live brief panel (option D) ---------- */
    .cr-reaction-wrap {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
      align-items: start;
      margin-top: 4px;
      transition: grid-template-columns 0.4s ease;
    }
    .cr-reaction-wrap.has-brief {
      grid-template-columns: 1fr 240px;
    }
    @media (max-width: 640px) {
      .cr-reaction-wrap,
      .cr-reaction-wrap.has-brief { grid-template-columns: 1fr; gap: 16px; }
    }

    .cr-brief {
      background: var(--cr-red-softer);
      border: 1px solid rgba(232, 23, 76, 0.2);
      border-radius: var(--cr-radius-lg);
      padding: 16px;
      position: sticky;
      top: 16px;
      display: none;
      animation: crBriefSlideIn 0.4s var(--cr-spring);
    }
    .cr-brief.visible { display: block; }
    @keyframes crBriefSlideIn {
      from { opacity: 0; transform: translateX(20px); }
      to   { opacity: 1; transform: translateX(0); }
    }
    @media (max-width: 640px) {
      .cr-brief { position: static; }
      @keyframes crBriefSlideIn {
        from { opacity: 0; transform: translateY(-10px); }
        to   { opacity: 1; transform: translateY(0); }
      }
    }

    .cr-brief-title {
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.12em;
      color: var(--cr-red);
      margin-bottom: 12px;
    }

    .cr-brief-sentence {
      font-size: 13px;
      color: #991F3D;
      line-height: 1.55;
      padding-bottom: 12px;
      margin-bottom: 12px;
      border-bottom: 0.5px solid rgba(232, 23, 76, 0.2);
    }
    .cr-brief-sentence strong {
      font-weight: 500;
      color: var(--cr-red);
    }
    .cr-brief-pending {
      font-size: 11px;
      opacity: 0.7;
      font-weight: 400;
    }

    .cr-brief-list {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 12px;
    }
    .cr-brief-chip {
      padding: 5px 10px;
      background: var(--cr-bg);
      border: 0.5px solid rgba(232, 23, 76, 0.25);
      border-radius: 999px;
      font-size: 11px;
      color: #991F3D;
      animation: crChipIn 0.3s var(--cr-spring);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      align-self: flex-start;
    }
    @keyframes crChipIn {
      from { opacity: 0; transform: translateY(-4px) scale(0.9); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }

    .cr-brief-summary {
      font-size: 12px;
      color: #991F3D;
      line-height: 1.5;
      padding-top: 12px;
      border-top: 0.5px solid rgba(232, 23, 76, 0.2);
    }
    .cr-brief-summary strong { font-weight: 500; }

    /* Compact follow-ups inside the left column */
    .cr-followups { margin-top: 16px; }

    /* ---------- Reduced motion ---------- */
    @media (prefers-reduced-motion: reduce) {
      .cr-opt, .cr-mark, .cr-input, .cr-textarea, .cr-submit {
        transition: none !important;
      }
      .cr-opt:hover { transform: none; }
      .cr-opt:hover .cr-mark,
      .cr-opt input:checked + .cr-mark,
      .cr-opt:hover input:checked + .cr-mark { transform: none; }
    }

    /* Screen reader utility */
    .cr-page .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }