/* ==========================================================================
   PureNest Cleaning — UI Components Design System
   Buttons, Cards, Badges, Accordion, Slider, Modal, Form Controls
   ========================================================================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  line-height: 1.25;
  white-space: nowrap;
  user-select: none;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 480px) {
  .btn {
    white-space: normal;
    text-align: center;
    padding: 0.75rem 1.15rem;
  }
}

.btn:focus-visible {
  outline: 2px solid var(--primary-600);
  outline-offset: 3px;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-xs);
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

@media (max-width: 480px) {
  .btn-lg {
    padding: 0.85rem 1.25rem;
    font-size: var(--text-sm);
  }
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background-color: var(--primary-700);
  color: var(--white);
  box-shadow: 0 2px 4px rgba(18, 99, 89, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-800);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(18, 99, 89, 0.25);
  color: var(--white);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--primary-50);
  color: var(--primary-800);
  border-color: var(--primary-200);
}

.btn-secondary:hover {
  background-color: var(--primary-100);
  color: var(--primary-900);
  border-color: var(--primary-300);
}

.btn-outline {
  background-color: transparent;
  color: var(--slate-800);
  border-color: var(--slate-300);
}

.btn-outline:hover {
  background-color: var(--slate-100);
  border-color: var(--slate-400);
  color: var(--slate-900);
}

.btn-white {
  background-color: var(--white);
  color: var(--primary-900);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background-color: var(--primary-50);
  color: var(--primary-800);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  color: var(--white);
}

/* --- Badges & Pills --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-200);
}

.badge-amber {
  background-color: var(--amber-50);
  color: var(--amber-600);
  border: 1px solid var(--amber-200);
}

.badge-demo {
  background-color: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: var(--font-bold);
}

/* Star rating pill */
.rating-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-200);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--slate-800);
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 480px) {
  .rating-pill {
    font-size: 0.72rem;
    padding: 5px 10px;
    gap: 4px;
    max-width: 100%;
    flex-wrap: wrap;
  }
}

.stars-group {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--amber-400);
}

/* --- Cards --- */
.card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-200);
}

/* Service Card */
.service-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-300);
}

.service-card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--slate-100);
}

.service-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.service-card:hover .service-card-image {
  transform: scale(1.05);
}

.service-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--primary-800);
  box-shadow: var(--shadow-xs);
}

.service-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  color: var(--slate-900);
  font-weight: var(--font-bold);
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--slate-600);
  line-height: var(--leading-normal);
  margin-bottom: 1.25rem;
  flex: 1;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--primary-700);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.service-card-link:hover {
  color: var(--primary-900);
  gap: 10px;
}

.service-card-link svg {
  transition: transform var(--transition-fast);
}

.service-card-link:hover svg {
  transform: translateX(4px);
}

/* Feature / Benefit Card */
.benefit-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background-color: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  transition: all var(--transition-fast);
}

.benefit-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-sm);
}

.benefit-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-50);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--primary-100);
}

.benefit-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  color: var(--slate-900);
}

.benefit-content p {
  font-size: var(--text-sm);
  color: var(--slate-600);
  margin-bottom: 0;
}

/* Step Card (How It Works) */
.step-card {
  position: relative;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-300);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.step-number {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--primary-600);
  background: var(--primary-50);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary-100);
}

.step-icon {
  color: var(--slate-400);
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--slate-900);
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--slate-600);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* --- FAQ Accordion --- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.accordion-item {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accordion-item.is-open {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-xs);
}

.accordion-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1.05rem;
  font-weight: var(--font-bold);
  color: var(--slate-900);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.accordion-button:hover {
  color: var(--primary-700);
}

.accordion-item.is-open .accordion-button {
  color: var(--primary-700);
}

.accordion-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--slate-100);
  color: var(--slate-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(180deg);
  background-color: var(--primary-50);
  color: var(--primary-700);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-inner {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: var(--text-sm);
  color: var(--slate-600);
  line-height: var(--leading-relaxed);
  border-top: 1px solid transparent;
}

.accordion-item.is-open .accordion-inner {
  border-top-color: var(--slate-150);
  padding-top: 0.85rem;
}

/* --- Testimonial Slider --- */
.testimonial-slider {
  position: relative;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-track {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.testimonial-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  box-shadow: var(--shadow-sm);
  display: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.testimonial-card.is-active {
  display: block;
  opacity: 1;
}

.testimonial-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.testimonial-quote {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: var(--leading-relaxed);
  color: var(--slate-800);
  font-style: italic;
  margin-bottom: 1.75rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  color: var(--white);
  font-weight: var(--font-bold);
  font-size: var(--text-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-meta h5 {
  font-size: 1rem;
  font-weight: var(--font-bold);
  color: var(--slate-900);
  margin-bottom: 2px;
}

.testimonial-meta p {
  font-size: var(--text-xs);
  color: var(--slate-500);
  margin-bottom: 0;
}

.slider-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  color: var(--slate-700);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.slider-btn:hover {
  background-color: var(--primary-700);
  color: var(--white);
  border-color: var(--primary-700);
  transform: translateY(-1px);
}

.slider-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--slate-300);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.is-active {
  background-color: var(--primary-700);
  width: 24px;
  border-radius: var(--radius-full);
}

/* --- Form Controls & Quote Modal --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 1.25rem;
  text-align: left;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--slate-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-label .req {
  color: #dc2626;
  margin-left: 3px;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  color: var(--slate-900);
  background-color: var(--white);
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder {
  color: var(--slate-400);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(18, 99, 89, 0.15);
}

.form-control.is-invalid {
  border-color: #dc2626;
  background-color: #fef2f2;
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-feedback {
  font-size: var(--text-xs);
  color: #dc2626;
  margin-top: 3px;
  display: none;
}

.form-control.is-invalid ~ .form-feedback {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 600px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
  .form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* Quote Modal Dialog */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 20, 18, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  overflow-y: auto;
  box-sizing: border-box;
}

@media (max-width: 480px) {
  .modal-backdrop {
    padding: 0.5rem;
  }
}

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

.modal-dialog {
  background-color: var(--white);
  width: 100%;
  max-width: min(640px, 94vw);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-normal);
  margin: auto;
  border: 1px solid var(--slate-200);
  box-sizing: border-box;
}

@media (max-width: 480px) {
  .modal-header {
    padding: 1rem 1.15rem;
  }
  .modal-body {
    padding: 1.15rem 1rem;
  }
}

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

.modal-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--slate-50);
}

.modal-header h3 {
  font-size: 1.35rem;
  color: var(--slate-900);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-500);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--slate-200);
  color: var(--slate-900);
}

.modal-body {
  padding: 1.75rem;
  max-height: calc(85vh - 120px);
  overflow-y: auto;
}

/* Simulated Success State */
.form-success-state {
  display: none;
  text-align: center;
  padding: 2.5rem 1rem;
}

.success-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--accent-100);
  color: var(--accent-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
}

.form-success-state h4 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--slate-900);
}

.form-success-state p {
  color: var(--slate-600);
  max-width: 440px;
  margin: 0 auto 1.5rem auto;
  font-size: var(--text-sm);
}

.demo-quote-summary {
  background-color: var(--slate-50);
  border: 1px dashed var(--slate-300);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: left;
  font-size: var(--text-xs);
  color: var(--slate-700);
  margin-bottom: 1.5rem;
}