/* ==========================================================================
   SOLARTECH ENERGY - COMPONENT STYLES (v1.2.0)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. STATS COUNTER SECTION
   -------------------------------------------------------------------------- */
.ste-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (min-width: 992px) {
  .ste-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ste-stat-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.ste-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.ste-stat-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.ste-stat-card__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   2. INTERACTIVE SOLAR CALCULATOR
   -------------------------------------------------------------------------- */
.ste-calculator {
  background: #FFFFFF;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.ste-calc-grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 992px) {
  .ste-calc-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.ste-calc-inputs {
  padding: clamp(1.5rem, 3.5vw, 3rem);
  background-color: #FFFFFF;
}

.ste-calc-results {
  padding: clamp(1.5rem, 3.5vw, 3rem);
  background: linear-gradient(145deg, var(--color-dark) 0%, #1E293B 100%);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ste-calc-slider-group {
  margin-bottom: 2rem;
}

.ste-calc-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.ste-calc-slider-label {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 1rem;
}

.ste-calc-slider-value {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  background: var(--color-primary-subtle);
  padding: 0.2rem 0.85rem;
  border-radius: var(--radius-pill);
}

.ste-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  border-radius: var(--radius-pill);
  background: #E2E8F0;
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.ste-range-slider:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.ste-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.ste-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.ste-range-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

/* Calculator Output Metric Cards */
.ste-calc-highlight-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.ste-calc-highlight-value {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
}

.ste-calc-highlight-label {
  font-size: 0.95rem;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ste-calc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.ste-calc-metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.ste-calc-metric__val {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.2rem;
}

.ste-calc-metric__lbl {
  font-size: 0.775rem;
  color: #94A3B8;
}

.ste-calc-subsidy-tag {
  background: #065F46;
  color: #A7F3D0;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.825rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

/* --------------------------------------------------------------------------
   3. PROCESS TIMELINE (11 STEPS)
   -------------------------------------------------------------------------- */
.ste-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.ste-timeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .ste-timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .ste-timeline-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ste-timeline-step {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-base);
}

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

.ste-step-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.85;
  margin-bottom: 0.5rem;
}

.ste-step-title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
  color: var(--color-dark);
}

.ste-step-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   4. SERVICE CARDS
   -------------------------------------------------------------------------- */
.ste-service-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.ste-service-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-xl);
  transform: translateY(-5px);
}

.ste-service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  color: var(--color-primary-darker);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  transition: transform var(--transition-fast);
}

.ste-service-card:hover .ste-service-card__icon {
  transform: scale(1.08);
}

.ste-service-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.ste-service-card__desc {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   5. PROJECT SHOWCASE CARDS
   -------------------------------------------------------------------------- */
.ste-project-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.ste-project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.ste-project-card__img-wrap {
  position: relative;
  height: 220px;
  background-color: var(--color-dark-surface);
  overflow: hidden;
}

.ste-project-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.ste-project-card:hover .ste-project-card__img-wrap img {
  transform: scale(1.06);
}

.ste-project-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.85);
  color: #FFFFFF;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

.ste-project-card__body {
  padding: 1.5rem;
}

.ste-project-card__specs {
  display: flex;
  gap: 1rem;
  padding: 0.85rem 0;
  margin: 0.85rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.ste-project-spec-item strong {
  display: block;
  font-size: 1rem;
  color: var(--color-dark);
}

/* --------------------------------------------------------------------------
   6. FAQ ACCORDION
   -------------------------------------------------------------------------- */
.ste-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ste-faq-item {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.ste-faq-item.ste-faq-item--active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.ste-faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 48px;
}

.ste-faq-question:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -2px;
}

.ste-faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.ste-faq-item--active .ste-faq-icon {
  transform: rotate(45deg);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-darker);
}

.ste-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
  padding: 0 1.5rem;
}

.ste-faq-item--active .ste-faq-answer {
  max-height: 600px;
  padding-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   7. TESTIMONIALS & REVIEWS
   -------------------------------------------------------------------------- */
.ste-testimonial-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ste-stars {
  color: #F59E0B;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.ste-testimonial-quote {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.ste-testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.ste-testimonial-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-darker);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.ste-author-name {
  font-weight: 700;
  color: var(--color-dark);
}

.ste-author-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   8. FLOATING WHATSAPP & MOBILE STICKY BOTTOM BAR
   -------------------------------------------------------------------------- */
.ste-whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 990;
  width: 58px;
  height: 58px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.ste-whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

.ste-mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #FFFFFF;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  padding: 0.5rem 0.75rem;
}

@media (max-width: 768px) {
  .ste-mobile-sticky-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 0.4rem;
    align-items: center;
  }
  body {
    padding-bottom: 70px;
  }
}

.ste-mobile-sticky-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.45rem 0.25rem;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
}

.ste-mobile-sticky-btn--call {
  background: #F1F5F9;
  color: var(--color-dark);
}

.ste-mobile-sticky-btn--wa {
  background: var(--color-whatsapp);
  color: #FFFFFF;
}

.ste-mobile-sticky-btn--quote {
  background: var(--color-primary);
  color: #052e16;
}

/* --------------------------------------------------------------------------
   9. POPUP MODAL & TOAST NOTIFICATION
   -------------------------------------------------------------------------- */
.ste-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.ste-modal__dialog {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.25rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.ste-modal--open .ste-modal__dialog {
  transform: translateY(0);
}

.ste-modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--color-bg);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.35rem;
  color: var(--color-text-muted);
}
.ste-modal__close:hover,
.ste-modal__close:focus {
  background: #E2E8F0;
  color: var(--color-dark);
}

.ste-toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-dark);
  color: #FFFFFF;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xl);
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 2000;
  opacity: 0;
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 90vw;
  text-align: center;
}

.ste-toast.ste-toast--show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}