/**
 * GKSC Forms — unified stylesheet
 * BEM methodology, CSS custom properties, responsive
 */

:root {
  --gksc-accent: #40C4FF;
  --gksc-accent-hover: #339FCC;
  --gksc-accent-light: rgba(64, 196, 255, 0.15);
  --gksc-accent-glow: 0 0 20px rgba(64, 196, 255, 0.3);
  --gksc-bg-dark: #0a0a14;
  --gksc-bg-card: #12121f;
  --gksc-bg-input: #1a1a2e;
  --gksc-border: #2a2a3e;
  --gksc-border-focus: #40C4FF;
  --gksc-text: #e0e0e0;
  --gksc-text-muted: #8a8aa0;
  --gksc-error: #e74c3c;
  --gksc-success: #27ae60;
  --gksc-radius: 8px;
  --gksc-radius-lg: 12px;
  --gksc-transition: 200ms ease;
  --gksc-font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ========== COMMON FORM ELEMENTS ========== */

.gksc-form__honeypot {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  opacity: 0 !important;
  height: 0 !important;
  width: 0 !important;
  pointer-events: none;
}

.gksc-form__field {
  margin-bottom: 16px;
  position: relative;
}

.gksc-form__label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--gksc-text);
  font-weight: 500;
}

.gksc-form__required {
  color: var(--gksc-accent);
}

.gksc-form__input,
.gksc-form__select,
.gksc-form__textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--gksc-bg-input);
  border: 1px solid var(--gksc-border);
  border-radius: var(--gksc-radius);
  color: var(--gksc-text);
  font-family: var(--gksc-font);
  font-size: 15px;
  transition: border-color var(--gksc-transition), box-shadow var(--gksc-transition);
  outline: none;
  box-sizing: border-box;
  -webkit-appearance: none;
}

.gksc-form__input:focus,
.gksc-form__select:focus,
.gksc-form__textarea:focus {
  border-color: var(--gksc-border-focus);
  box-shadow: var(--gksc-accent-glow);
}

.gksc-form__input::placeholder,
.gksc-form__textarea::placeholder {
  color: var(--gksc-text-muted);
}

.gksc-form__input--error {
  border-color: var(--gksc-error) !important;
  box-shadow: 0 0 12px rgba(231, 76, 60, 0.2);
}

.gksc-form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%238a8aa0' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.gksc-form__textarea {
  resize: vertical;
  min-height: 80px;
}

.gksc-form__error {
  display: block;
  font-size: 12px;
  color: var(--gksc-error);
  margin-top: 4px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 200ms ease, opacity 200ms ease;
  opacity: 0;
}

.gksc-form__error--visible {
  max-height: 30px;
  opacity: 1;
}

.gksc-form__row--two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gksc-form__consent {
  font-size: 12px;
  color: var(--gksc-text-muted);
  margin-top: 12px;
  line-height: 1.4;
}

.gksc-form__consent a {
  color: var(--gksc-accent);
  text-decoration: none;
}

.gksc-form__consent a:hover {
  text-decoration: underline;
}

.gksc-form__consent--compact {
  margin-top: 8px;
  font-size: 11px;
}

/* ========== BUTTONS ========== */

.gksc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--gksc-radius);
  font-family: var(--gksc-font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--gksc-transition);
  position: relative;
  white-space: nowrap;
  text-decoration: none;
}

.gksc-btn--primary {
  background: linear-gradient(135deg, var(--gksc-accent), var(--gksc-accent-hover));
  color: #fff;
}

.gksc-btn--primary:hover {
  background: linear-gradient(135deg, var(--gksc-accent-hover), #084f52);
  box-shadow: 0 4px 16px rgba(64, 196, 255, 0.3);
}

.gksc-btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.gksc-btn--outline {
  background: transparent;
  border: 1px solid var(--gksc-border);
  color: var(--gksc-text);
}

.gksc-btn--outline:hover {
  border-color: var(--gksc-accent);
  color: var(--gksc-accent);
}

.gksc-btn--outline-accent {
  background: transparent;
  border: 1px solid var(--gksc-accent);
  color: var(--gksc-accent);
}

.gksc-btn--outline-accent:hover {
  background: var(--gksc-accent);
  color: #fff;
}

.gksc-btn--full {
  width: 100%;
}

.gksc-btn--lg {
  padding: 14px 32px;
  font-size: 16px;
}

.gksc-btn--sm {
  padding: 8px 16px;
  font-size: 14px;
}

.gksc-btn__text {
  transition: opacity 150ms ease;
}

.gksc-btn__loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -10px 0 0 -10px;
}

.gksc-btn__loader--active {
  display: block;
  animation: gksc-spin 0.7s linear infinite;
}

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

/* ========== TOAST ========== */

.gksc-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  padding: 14px 24px;
  border-radius: var(--gksc-radius);
  font-family: var(--gksc-font);
  font-size: 14px;
  font-weight: 500;
  z-index: 100000;
  transition: transform 300ms ease;
  max-width: 90vw;
}

.gksc-toast--visible {
  transform: translateX(-50%) translateY(0);
}

.gksc-toast--error {
  background: #e74c3c;
  color: #fff;
}

.gksc-toast--success {
  background: #27ae60;
  color: #fff;
}

/* ========== FORM 1: QUICK CALLBACK ========== */

.gksc-quick-callback {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 400ms ease, transform 400ms ease;
  pointer-events: none;
}

.gksc-quick-callback--visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.gksc-quick-callback__trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gksc-accent);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 20px rgba(64, 196, 255, 0.4);
  transition: background 200ms ease, transform 200ms ease;
}

.gksc-quick-callback__trigger:hover {
  background: var(--gksc-accent-hover);
  transform: scale(1.05);
}

.gksc-quick-callback__icon--success {
  display: none;
}

.gksc-quick-callback--success .gksc-quick-callback__trigger {
  background: var(--gksc-success);
}

/* Pulse animation */
.gksc-quick-callback__pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--gksc-accent);
  animation: gksc-pulse 3s ease-out infinite;
  pointer-events: none;
}

.gksc-quick-callback__pulse--delayed {
  animation-delay: 1s;
}

.gksc-quick-callback--no-pulse .gksc-quick-callback__pulse,
.gksc-quick-callback--open .gksc-quick-callback__pulse {
  display: none;
}

@keyframes gksc-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Attention pulse */
.gksc-quick-callback--attention .gksc-quick-callback__trigger {
  animation: gksc-shake 500ms ease-in-out 3;
}

@keyframes gksc-shake {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-8deg); }
  75% { transform: rotate(8deg); }
}

/* Form wrapper */
.gksc-quick-callback__form-wrapper {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 300px;
  background: var(--gksc-bg-card);
  border-radius: var(--gksc-radius-lg);
  padding: 20px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  transform: translateY(10px);
  opacity: 0;
  transition: transform 300ms ease, opacity 300ms ease;
  pointer-events: none;
  border: 1px solid var(--gksc-border);
}

.gksc-quick-callback--open .gksc-quick-callback__form-wrapper {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.gksc-quick-callback__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.gksc-quick-callback__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gksc-text);
}

.gksc-quick-callback__close {
  background: none;
  border: none;
  color: var(--gksc-text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.gksc-quick-callback__close:hover {
  color: var(--gksc-text);
}

/* ========== FORM 2: CALCULATION ========== */

.gksc-calc-form {
  background: var(--gksc-bg-card);
  border: 1px solid rgba(64, 196, 255, 0.3);
  border-radius: var(--gksc-radius-lg);
  padding: 32px;
  position: relative;
}

.gksc-calc-form__header {
  margin-bottom: 24px;
}

.gksc-calc-form__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--gksc-text);
  margin: 0 0 8px;
}

.gksc-calc-form__subtitle {
  color: var(--gksc-text-muted);
  font-size: 15px;
  margin: 0;
}

/* Dropzone */
.gksc-form__dropzone {
  border: 2px dashed var(--gksc-border);
  border-radius: var(--gksc-radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--gksc-transition), background var(--gksc-transition);
}

.gksc-form__dropzone:hover,
.gksc-form__dropzone--active {
  border-color: var(--gksc-accent);
  background: var(--gksc-accent-light);
}

.gksc-form__dropzone-text {
  color: var(--gksc-text-muted);
  margin: 8px 0 4px;
  font-size: 14px;
}

.gksc-form__dropzone-link {
  color: var(--gksc-accent);
  text-decoration: underline;
}

.gksc-form__dropzone-hint {
  color: var(--gksc-text-muted);
  font-size: 12px;
  margin: 0;
  opacity: 0.7;
}

/* File preview */
.gksc-form__file-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--gksc-accent-light);
  border-radius: var(--gksc-radius);
  border: 1px solid rgba(64, 196, 255, 0.3);
}

.gksc-form__file-name {
  font-size: 13px;
  color: var(--gksc-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gksc-form__file-remove {
  background: none;
  border: none;
  color: var(--gksc-text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  flex-shrink: 0;
}

.gksc-form__file-remove:hover {
  color: var(--gksc-error);
}

.gksc-form__file-btn {
  width: 100%;
}

/* Success state */
.gksc-calc-form__success {
  text-align: center;
  padding: 40px 20px;
}

.gksc-calc-form__success h3 {
  font-size: 22px;
  color: var(--gksc-text);
  margin: 16px 0 8px;
}

.gksc-calc-form__success p {
  color: var(--gksc-text-muted);
  font-size: 15px;
}

/* ========== FORM 3: QUIZ ========== */

.gksc-quiz-trigger {
  gap: 10px;
}

.gksc-quiz-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 300ms ease;
}

.gksc-quiz-modal--visible {
  opacity: 1;
}

.gksc-quiz-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.gksc-quiz-modal__content {
  position: relative;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--gksc-bg-card);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.95) translateY(20px);
  transition: transform 300ms ease;
}

.gksc-quiz-modal--visible .gksc-quiz-modal__content {
  transform: scale(1) translateY(0);
}

.gksc-quiz-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--gksc-text-muted);
  font-size: 28px;
  cursor: pointer;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 200ms ease;
}

.gksc-quiz-modal__close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--gksc-text);
}

/* Progress */
.gksc-quiz__progress {
  margin-bottom: 24px;
}

.gksc-quiz__progress-bar {
  height: 4px;
  background: var(--gksc-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 12px;
}

.gksc-quiz__progress-fill {
  height: 100%;
  background: var(--gksc-accent);
  border-radius: 2px;
  transition: width 300ms ease;
}

.gksc-quiz__steps-indicator {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.gksc-quiz__step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  background: var(--gksc-border);
  color: var(--gksc-text-muted);
  transition: all 200ms ease;
}

.gksc-quiz__step-dot--active {
  background: var(--gksc-accent);
  color: #fff;
}

.gksc-quiz__step-dot--done {
  background: var(--gksc-accent-hover);
  color: #fff;
}

/* Steps */
.gksc-quiz__step {
  display: none;
}

.gksc-quiz__step--active {
  display: block;
  animation: gksc-fadeIn 300ms ease;
}

.gksc-quiz__step--exit-left {
  animation: gksc-slideOutLeft 300ms ease forwards;
}

.gksc-quiz__step--exit-right {
  animation: gksc-slideOutRight 300ms ease forwards;
}

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

@keyframes gksc-slideOutLeft {
  to { opacity: 0; transform: translateX(-30px); }
}

@keyframes gksc-slideOutRight {
  to { opacity: 0; transform: translateX(30px); }
}

.gksc-quiz__step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gksc-text);
  margin: 0 0 20px;
}

/* Cards */
.gksc-quiz__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.gksc-quiz__card {
  cursor: pointer;
}

.gksc-quiz__card-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--gksc-bg-input);
  border: 2px solid var(--gksc-border);
  border-radius: var(--gksc-radius);
  transition: all var(--gksc-transition);
}

.gksc-quiz__card:hover .gksc-quiz__card-inner {
  border-color: var(--gksc-accent);
}

.gksc-quiz__card--selected .gksc-quiz__card-inner,
.gksc-quiz__card input:checked ~ .gksc-quiz__card-inner {
  background: var(--gksc-accent-light);
  border-color: var(--gksc-accent);
}

.gksc-quiz__card-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.gksc-quiz__card-content strong {
  display: block;
  font-size: 14px;
  color: var(--gksc-text);
  margin-bottom: 2px;
}

.gksc-quiz__card-content span {
  font-size: 12px;
  color: var(--gksc-text-muted);
}

/* Range slider */
.gksc-quiz__range-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.gksc-quiz__range {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: var(--gksc-border);
  border-radius: 3px;
  outline: none;
}

.gksc-quiz__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--gksc-accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(64, 196, 255, 0.4);
}

.gksc-quiz__range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--gksc-accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px rgba(64, 196, 255, 0.4);
}

.gksc-quiz__range-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--gksc-accent);
  min-width: 70px;
  text-align: right;
}

/* Toggle group */
.gksc-form__toggle-group {
  display: flex;
  gap: 12px;
}

.gksc-form__toggle {
  flex: 1;
  cursor: pointer;
}

.gksc-form__toggle input {
  display: none;
}

.gksc-form__toggle span {
  display: block;
  padding: 10px 16px;
  text-align: center;
  background: var(--gksc-bg-input);
  border: 1px solid var(--gksc-border);
  border-radius: var(--gksc-radius);
  color: var(--gksc-text-muted);
  font-size: 14px;
  transition: all var(--gksc-transition);
}

.gksc-form__toggle input:checked + span {
  background: var(--gksc-accent-light);
  border-color: var(--gksc-accent);
  color: var(--gksc-accent);
}

/* Radio group */
.gksc-form__radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.gksc-form__radio {
  cursor: pointer;
}

.gksc-form__radio input {
  display: none;
}

.gksc-form__radio span {
  display: inline-block;
  padding: 8px 16px;
  background: var(--gksc-bg-input);
  border: 1px solid var(--gksc-border);
  border-radius: 20px;
  color: var(--gksc-text-muted);
  font-size: 14px;
  transition: all var(--gksc-transition);
}

.gksc-form__radio input:checked + span {
  background: var(--gksc-accent-light);
  border-color: var(--gksc-accent);
  color: var(--gksc-accent);
}

/* Nav */
.gksc-quiz__nav {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  gap: 12px;
}

.gksc-quiz__nav-btn--prev {
  margin-right: auto;
}

.gksc-quiz__nav-btn--next,
.gksc-quiz__nav-btn--submit {
  margin-left: auto;
}

/* Success */
.gksc-quiz__success {
  text-align: center;
  padding: 40px 20px;
}

.gksc-quiz__success h3 {
  font-size: 22px;
  color: var(--gksc-text);
  margin: 16px 0 8px;
}

.gksc-quiz__success p {
  color: var(--gksc-text-muted);
  font-size: 15px;
}

/* ========== FORM 4: EXIT POPUP ========== */

.gksc-exit-popup {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 300ms ease;
}

.gksc-exit-popup--visible {
  opacity: 1;
}

.gksc-exit-popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.gksc-exit-popup__content {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--gksc-bg-card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 300ms ease;
}

.gksc-exit-popup--visible .gksc-exit-popup__content {
  transform: scale(1);
}

.gksc-exit-popup__close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: var(--gksc-text-muted);
  font-size: 28px;
  cursor: pointer;
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.gksc-exit-popup__close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--gksc-text);
}

.gksc-exit-popup__accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--gksc-accent), var(--gksc-accent-hover));
}

.gksc-exit-popup__body {
  padding: 32px;
}

.gksc-exit-popup__title {
  font-size: 28px;
  font-weight: 700;
  color: var(--gksc-accent);
  margin: 0 0 8px;
}

.gksc-exit-popup__subtitle {
  font-size: 16px;
  color: var(--gksc-text);
  margin: 0 0 20px;
}

.gksc-exit-popup__benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.gksc-exit-popup__benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--gksc-text);
}

.gksc-exit-popup__benefits svg {
  flex-shrink: 0;
}

.gksc-exit-popup__dismiss {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--gksc-text-muted);
  font-size: 13px;
  cursor: pointer;
  padding: 12px;
  margin-top: 8px;
  text-decoration: underline;
}

.gksc-exit-popup__dismiss:hover {
  color: var(--gksc-text);
}

/* ========== FORM 5: CONTEXTUAL ========== */

.gksc-ctx-form {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  background: linear-gradient(135deg, var(--gksc-bg-card) 0%, var(--gksc-bg-input) 100%);
  border-left: 3px solid var(--gksc-accent);
  border-radius: var(--gksc-radius);
  margin: 24px 0;
}

.gksc-ctx-form__info {
  flex: 1;
  min-width: 0;
}

.gksc-ctx-form__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gksc-text);
  margin: 0 0 4px;
}

.gksc-ctx-form__subtitle {
  font-size: 14px;
  color: var(--gksc-text-muted);
  margin: 0;
}

.gksc-ctx-form__form {
  flex-shrink: 0;
}

.gksc-ctx-form__fields {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.gksc-ctx-form__fields .gksc-form__input {
  width: 160px;
}

.gksc-ctx-form__fields .gksc-btn {
  white-space: nowrap;
}

/* ========== FORM 6: HEADER ========== */

.gksc-header-form {
  position: relative;
}

.gksc-header-form__trigger {
  gap: 6px;
}

.gksc-header-form__dropdown {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 320px;
  background: var(--gksc-bg-card);
  border: 1px solid var(--gksc-border);
  border-radius: var(--gksc-radius-lg);
  padding: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 200ms ease, transform 200ms ease;
  pointer-events: none;
  z-index: 1000;
}

.gksc-header-form__dropdown:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.gksc-header-form__arrow {
  position: absolute;
  top: -6px;
  right: 24px;
  width: 12px;
  height: 12px;
  background: var(--gksc-bg-card);
  border-left: 1px solid var(--gksc-border);
  border-top: 1px solid var(--gksc-border);
  transform: rotate(45deg);
}

.gksc-header-form__label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--gksc-text);
  margin-bottom: 12px;
}

.gksc-header-form__fields {
  display: flex;
  gap: 8px;
}

.gksc-header-form__fields .gksc-form__input {
  flex: 1;
}

/* ========== RESPONSIVE ========== */

@media (max-width: 768px) {
  .gksc-form__row--two-cols {
    grid-template-columns: 1fr;
  }

  /* Quick callback */
  .gksc-quick-callback {
    right: 16px;
    bottom: 80px; /* Above mobile CTA bar */
  }

  .gksc-quick-callback__trigger {
    width: 50px;
    height: 50px;
  }

  .gksc-quick-callback__form-wrapper {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    border-radius: var(--gksc-radius-lg) var(--gksc-radius-lg) 0 0;
    transform: translateY(100%);
  }

  .gksc-quick-callback--open .gksc-quick-callback__form-wrapper {
    transform: translateY(0);
  }

  /* Calculation form */
  .gksc-calc-form {
    padding: 20px;
  }

  .gksc-calc-form__title {
    font-size: 20px;
  }

  /* Quiz */
  .gksc-quiz-modal__content {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
    padding: 20px;
    height: 100vh;
    overflow-y: auto;
  }

  .gksc-quiz__cards {
    grid-template-columns: 1fr;
  }

  .gksc-quiz__step-title {
    font-size: 18px;
  }

  /* Exit popup */
  .gksc-exit-popup__content {
    margin: 16px;
    max-width: calc(100% - 32px);
  }

  .gksc-exit-popup__body {
    padding: 24px;
  }

  .gksc-exit-popup__title {
    font-size: 22px;
  }

  /* Contextual */
  .gksc-ctx-form {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .gksc-ctx-form__fields {
    flex-direction: column;
  }

  .gksc-ctx-form__fields .gksc-form__input {
    width: 100%;
  }

  /* Header */
  .gksc-header-form__trigger-text {
    display: none;
  }

  .gksc-header-form__trigger {
    padding: 8px;
  }

  .gksc-header-form__dropdown {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: var(--gksc-radius-lg) var(--gksc-radius-lg) 0 0;
  }

  .gksc-header-form__arrow {
    display: none;
  }

  .gksc-header-form__fields {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .gksc-quiz__nav {
    flex-direction: column;
  }

  .gksc-quiz__nav-btn--prev,
  .gksc-quiz__nav-btn--next,
  .gksc-quiz__nav-btn--submit {
    width: 100%;
    margin: 0;
  }

  .gksc-form__toggle-group {
    flex-direction: column;
  }

  .gksc-form__radio-group {
    flex-direction: column;
  }
}

/* ========== REDUCED MOTION ========== */

@media (prefers-reduced-motion: reduce) {
  .gksc-quick-callback__pulse,
  .gksc-quick-callback--attention .gksc-quick-callback__trigger {
    animation: none;
  }

  .gksc-quiz__step--active,
  .gksc-quiz__step--exit-left,
  .gksc-quiz__step--exit-right {
    animation: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}