/**
 * RST Solutions - Quote & Contact Form Styles
 * Clean, accessible, high-conversion form design with brand focus states.
 */

.rst-quote-form {
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.rst-quote-form.is-dark {
  background-color: var(--charcoal);
  border-color: var(--border-dark);
  color: #FFFFFF;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.rst-quote-form.is-dark .form-label {
  color: #E5E7EB;
}

.form-label .req {
  color: var(--brand-red);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink);
  background-color: var(--surface-alt);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.rst-quote-form.is-dark .form-input,
.rst-quote-form.is-dark .form-select,
.rst-quote-form.is-dark .form-textarea {
  background-color: #12151C;
  border-color: var(--border-dark);
  color: #FFFFFF;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background-color: #FFFFFF;
  border-color: var(--brand-orange);
  box-shadow: var(--focus-ring);
}

.rst-quote-form.is-dark .form-input:focus,
.rst-quote-form.is-dark .form-select:focus,
.rst-quote-form.is-dark .form-textarea:focus {
  background-color: #1A1F29;
  border-color: var(--brand-orange);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23374151' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}

/* Consent Checkbox */
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--muted);
  line-height: 1.5;
  margin-top: var(--space-2);
}

.form-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-orange);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.form-consent a {
  color: var(--orange-text);
  text-decoration: underline;
  font-weight: 600;
}

/* Form Actions */
.form-actions {
  grid-column: 1 / -1;
  margin-top: var(--space-4);
}

.form-submit-btn {
  width: 100%;
  height: 52px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 14px 28px;
  font-size: var(--text-base);
}

.form-submit-btn svg,
.form-submit-btn .btn-arrow-icon {
  width: 18px !important;
  height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.form-submit-btn:hover svg {
  transform: translateX(4px);
}

/* Honeypot & Anti-Bot hidden fields */
.rst-hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  height: 0 !important;
  width: 0 !important;
}

/* Validation Feedback & Alerts */
.form-error-msg {
  font-size: var(--text-xs);
  color: var(--brand-red);
  margin-top: 4px;
  display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--brand-red);
}

.form-group.has-error .form-error-msg {
  display: block;
}

.form-alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
  display: none;
}

.form-alert-success {
  background-color: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
}

.form-alert-error {
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(15, 17, 21, 0.25);
  border-radius: 50%;
  border-top-color: var(--ink);
  animation: spin 0.8s linear infinite;
}

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

.rst-quote-form.is-submitting .form-submit-btn {
  opacity: 0.75;
  pointer-events: none;
}

@media (max-width: 768px) {
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px !important; /* Prevents iOS auto-zoom on focus */
  }
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .rst-quote-form {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }

  .form-submit-btn {
    width: 100%;
    justify-content: center;
  }
}

/* -------------------------------------------------------------------------
   Interactive Quote Request Modal (Triggered by Navbar CTA)
   ------------------------------------------------------------------------- */
.quote-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 17, 21, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  overflow-y: auto;
}

.quote-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.quote-modal-container {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  max-width: 720px;
  width: 100%;
  padding: 36px 36px 32px;
  position: relative;
  transform: translateY(24px) scale(0.96);
  transition: transform var(--transition-smooth);
  max-height: 92vh;
  overflow-y: auto;
  border: 1px solid var(--border-light);
}

.quote-modal-backdrop.is-open .quote-modal-container {
  transform: translateY(0) scale(1);
}

.quote-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: var(--surface-alt);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
  z-index: 10;
}

.quote-modal-close:hover {
  background: var(--brand-orange);
  color: #FFFFFF;
  border-color: var(--brand-orange);
  transform: rotate(90deg);
}

.quote-modal-close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

.quote-modal-header {
  margin-bottom: 24px;
  padding-right: 48px;
}

.quote-modal-title {
  font-size: var(--text-3xl);
  color: var(--ink);
  margin-top: 6px;
  line-height: 1.25;
}

.quote-modal-desc {
  font-size: var(--text-base);
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
}

.quote-modal-body .rst-quote-form {
  padding: 0;
  background: transparent;
  box-shadow: none;
  border: none;
}

@media (max-width: 640px) {
  .quote-modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }
  .quote-modal-container {
    padding: 24px 18px calc(24px + env(safe-area-inset-bottom, 0px));
    border-radius: 20px 20px 0 0;
    max-height: 92vh;
    -webkit-overflow-scrolling: touch;
  }
  .quote-modal-header {
    padding-right: 40px;
    margin-bottom: 18px;
  }
  .quote-modal-title {
    font-size: 1.45rem;
  }
  .quote-modal-desc {
    font-size: 0.9rem;
  }
  .quote-modal-close {
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 380px) {
  .quote-modal-container {
    padding: 20px 14px calc(20px + env(safe-area-inset-bottom, 0px));
  }
  .quote-modal-title {
    font-size: 1.25rem;
  }
}
}