:root {
  --color-primary: #3182F6;
  --color-primary-hover: #1B64DA;
  --color-primary-light: #E8F3FF;
  --color-primary-bg: #F2F7FF;
  --color-success: #34C759;
  --color-warning: #FF9500;
  --color-danger: #FF3B30;
  --color-text-primary: #191F28;
  --color-text-secondary: #4E5968;
  --color-text-tertiary: #8B95A1;
  --color-text-disabled: #B0B8C1;
  --color-border: #E5E8EB;
  --color-border-light: #F2F4F6;
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-bg-tertiary: #F2F4F6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --font-family: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 40px;
  }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-primary:disabled {
  background-color: var(--color-text-disabled);
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

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

.btn-lg {
  padding: 16px 32px;
  font-size: 17px;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-full {
  width: 100%;
}

/* ─── Form Elements ─── */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-disabled);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.1);
}

.form-error {
  font-size: 13px;
  color: var(--color-danger);
  margin-top: 4px;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  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 fill='%234E5968' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ─── Card ─── */
.card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

/* ─── Badge ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.badge-pending {
  background-color: #FFF3E0;
  color: #E65100;
}

.badge-in_progress {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-completed {
  background-color: #E8F5E9;
  color: #2E7D32;
}

/* ─── Animations ─── */
.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-up {
  animation: slideUp 0.4s ease-out;
}

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

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 24px;
  background: var(--color-text-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  animation: toastIn 0.3s ease-out;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.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;
}

/* ─── Inquiry Page ─── */
.inquiry-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-secondary);
}

.inquiry-header {
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-light);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
}

.header-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 100px;
}

.inquiry-main {
  flex: 1;
  padding: 40px 0 80px;
}

.inquiry-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .inquiry-layout {
    grid-template-columns: 340px 1fr;
    max-width: 1100px;
    gap: 60px;
  }
}

.sidebar-sticky {
  position: sticky;
  top: 80px;
}

.inquiry-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

@media (min-width: 1024px) {
  .inquiry-title {
    font-size: 40px;
  }
}

.inquiry-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.trust-badges {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
}

.trust-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.inquiry-form-area {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .inquiry-form-area {
    padding: 40px 36px;
  }
}

/* ─── Step Indicator ─── */
.step-indicator {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  max-width: 80px;
}

.step-dot .dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  background: var(--color-bg-tertiary);
  color: var(--color-text-disabled);
  transition: all 0.3s ease;
}

.step-dot.active .dot {
  background: var(--color-primary);
  color: #fff;
}

.step-dot.completed .dot {
  background: var(--color-success);
  color: #fff;
}

.step-dot .dot svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.5;
}

.step-label {
  font-size: 11px;
  color: var(--color-text-disabled);
  text-align: center;
  white-space: nowrap;
}

.step-dot.active .step-label {
  color: var(--color-primary);
  font-weight: 600;
}

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

/* ─── Form Steps ─── */
.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.step-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.step-subtitle {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin-bottom: 28px;
}

.step-errors {
  margin-bottom: 16px;
}

/* ─── Option Cards ─── */
.option-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.option-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.option-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--color-bg-primary);
}

.option-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.option-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.option-card.compact {
  flex-direction: column;
  align-items: center;
  padding: 20px 12px;
  text-align: center;
  gap: 8px;
}

.option-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.option-icon svg {
  width: 24px;
  height: 24px;
}

.option-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.option-content strong {
  font-size: 15px;
  font-weight: 600;
}

.option-content span {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.form-fields {
  margin-bottom: 28px;
}

.step-actions {
  display: flex;
  justify-content: flex-end;
}

.step-actions-between {
  justify-content: space-between;
}

/* ─── File Upload ─── */
.file-drop-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-drop-area:hover,
.file-drop-area.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.file-drop-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  color: var(--color-text-tertiary);
}

.file-drop-icon svg {
  width: 32px;
  height: 32px;
}

.file-drop-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.file-drop-hint {
  font-size: 12px;
  color: var(--color-text-disabled);
}

.file-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

.file-info {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.file-name {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: 12px;
  color: var(--color-text-disabled);
  flex-shrink: 0;
}

.file-remove {
  font-size: 18px;
  color: var(--color-text-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
}

.file-remove:hover {
  background: var(--color-border);
  color: var(--color-danger);
}

.label-sub {
  font-weight: 400;
  color: var(--color-text-disabled);
  font-size: 12px;
}

/* ─── Confirm ─── */
.confirm-card {
  margin-bottom: 28px;
}

.confirm-row {
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}

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

.confirm-label {
  width: 100px;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.confirm-value {
  font-size: 14px;
  color: var(--color-text-primary);
  word-break: break-all;
}

/* ─── Success ─── */
.success-content {
  text-align: center;
  padding: 40px 0;
}

.success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-success);
}

.success-icon svg {
  width: 48px;
  height: 48px;
}

.success-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.success-guide {
  text-align: left;
  margin-bottom: 24px;
}

.success-guide h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.success-guide p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.success-info {
  margin-bottom: 24px;
}

.success-info p {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin-bottom: 4px;
}

/* ─── Footer ─── */
.inquiry-footer {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-disabled);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg-primary);
}