/* ==========================================================================
   NAVBAR (HEADER)
   ========================================================================== */
.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  border-bottom: none;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
  transition: var(--transition-smooth);
}

/* Logo Design */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 38px;
  width: auto;
  display: block;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-orange);
  transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 2px;
  transition: var(--transition-smooth);
}

@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-graphite-light);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
    z-index: 1000;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-cta {
    margin-top: 20px;
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--border-radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-text-light);
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.3);
}

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

.btn-secondary:hover {
  border-color: var(--color-dark-green);
  background-color: var(--color-bg-light);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--color-dark-green);
  color: var(--color-text-light);
}

.btn-dark:hover {
  background-color: var(--color-dark-green-light);
  transform: translateY(-2px);
}

.btn-neon {
  background-color: var(--color-neon-green);
  color: var(--color-dark-green);
  box-shadow: var(--shadow-neon);
}

.btn-neon:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(204, 255, 0, 0.4);
}

.btn-text {
  font-weight: 500;
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-text svg {
  transition: var(--transition-fast);
}

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

/* ==========================================================================
   CARDS (SOLUTIONS & FEATURES)
   ========================================================================== */
.card-solution {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-solution::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-yellow), var(--color-orange));
  opacity: 0;
  transition: var(--transition-smooth);
}

.card-solution:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: var(--shadow-hover);
}

.card-solution:hover::before {
  opacity: 1;
}

.card-solution-img-wrapper {
  height: 180px;
  width: 100%;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: 24px;
  position: relative;
}

.card-solution-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.card-solution:hover .card-solution-img-wrapper img {
  transform: scale(1.06);
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
  font-weight: 500;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.6;
}

/* Solutions cards within graphite background context */
.bg-graphite .card-solution {
  background-color: var(--color-graphite-light);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
}

.bg-graphite .card-solution .card-title {
  color: var(--color-text-light);
}

.bg-graphite .card-solution .card-desc {
  color: var(--color-text-muted);
}

.bg-graphite .card-solution:hover {
  box-shadow: 0 20px 40px -10px rgba(255, 107, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.15);
}

.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: rgba(204, 255, 0, 0.1);
  color: var(--color-dark-green);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 24px;
  border: 1px solid rgba(204, 255, 0, 0.3);
}

/* Diferenciais Cards */
.card-feature {
  padding: 32px;
  border-radius: var(--border-radius-md);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.card-feature:hover {
  border-color: var(--color-orange);
  box-shadow: var(--shadow-premium);
}

.card-feature-icon {
  margin-bottom: 20px;
  color: var(--color-orange);
}

.card-feature h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.card-feature p {
  font-size: 0.85rem;
}

/* ==========================================================================
   TIMELINE / PROCESS
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 40px auto 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
  width: 50%;
  padding-right: 40px;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-right: 0;
  padding-left: 40px;
}

@media (max-width: 768px) {
  .timeline-item, .timeline-item:nth-child(even) {
    width: 100%;
    left: 0;
    padding-left: 50px;
    padding-right: 0;
  }
}

.timeline-badge {
  position: absolute;
  top: 0;
  right: -15px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-bg-white);
  border: 2px solid var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--color-orange);
  transition: var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-badge {
  left: -15px;
  right: auto;
}

@media (max-width: 768px) {
  .timeline-badge, .timeline-item:nth-child(even) .timeline-badge {
    left: 5px;
    right: auto;
  }
}

.timeline-item:hover .timeline-badge {
  background-color: var(--color-orange);
  color: var(--color-text-light);
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.3);
}

.timeline-content {
  background: var(--color-bg-white);
  padding: 24px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  border-color: rgba(255, 107, 0, 0.3);
  box-shadow: var(--shadow-hover);
}

.timeline-content h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.timeline-content p {
  font-size: 0.85rem;
}

/* ==========================================================================
   INTERACTIVE SIMULATOR (CALCULATOR SOLAR)
   ========================================================================== */
.simulator-container {
  background: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hover);
  padding: 48px;
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

.simulator-container::before {
  content: '';
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(204, 255, 0, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.simulator-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
}

@media (max-width: 992px) {
  .simulator-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.simulator-inputs {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.simulator-outputs {
  background-color: var(--color-dark-green);
  color: var(--color-text-light);
  border-radius: var(--border-radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.simulator-outputs h4 {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.input-group {
  margin-bottom: 32px;
}

.input-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--color-dark-green);
}

.input-label span:last-child {
  color: var(--color-orange);
}

/* Range input styling */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--color-border);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-orange);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 2px 6px rgba(255, 107, 0, 0.3);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: var(--color-orange);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 2px 6px rgba(255, 107, 0, 0.3);
}

.range-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
}

/* Bill selector pills for calculator simulation */
.bill-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}

@media (max-width: 576px) {
  .bill-options {
    grid-template-columns: repeat(2, 1fr);
  }
}

.bill-pill {
  border: 1px solid var(--color-border);
  padding: 12px 6px;
  border-radius: var(--border-radius-sm);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--color-text-secondary);
}

.bill-pill:hover {
  border-color: var(--color-dark-green);
  color: var(--color-text-primary);
}

.bill-pill.active {
  background-color: rgba(255, 107, 0, 0.08);
  border-color: var(--color-orange);
  color: var(--color-orange);
}

/* Results metrics */
.result-row {
  margin-bottom: 24px;
}

.result-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.result-val {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-neon-green);
}

.result-val.total {
  color: var(--color-text-light);
  font-size: 2.25rem;
  margin-bottom: 12px;
}

/* ==========================================================================
   TESTIMONIALS SLIDER
   ========================================================================== */
.testimonials-slider {
  position: relative;
  overflow: hidden;
  margin-top: 40px;
}

.testimonials-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 24px;
}

.testimonial-bubble {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-premium);
  position: relative;
}

.testimonial-stars {
  color: var(--color-yellow);
  margin-bottom: 20px;
  display: flex;
  gap: 4px;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 30px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg-light);
  overflow: hidden;
}

.author-info h5 {
  font-size: 0.9rem;
  font-weight: 500;
}

.author-info p {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--color-text-primary);
}

.slider-btn:hover {
  background-color: var(--color-bg-light);
  border-color: var(--color-dark-green);
}

/* ==========================================================================
   INSTAGRAM GRID (SIMULATED BLOG)
   ========================================================================== */
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

@media (max-width: 992px) {
  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .instagram-grid {
    grid-template-columns: 1fr;
  }
}

.instagram-card {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  background-color: var(--color-bg-light);
  box-shadow: var(--shadow-premium);
  cursor: pointer;
}

.instagram-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.instagram-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 36, 28, 0.85);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
  opacity: 0;
  transition: var(--transition-smooth);
  color: var(--color-text-light);
  padding: 24px;
  text-align: center;
}

.instagram-card:hover img {
  transform: scale(1.05);
}

.instagram-card:hover .instagram-overlay {
  opacity: 1;
}

.instagram-stats {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
}

.instagram-stats span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.instagram-caption {
  font-size: 0.75rem;
  font-weight: 300;
  line-height: 1.4;
  opacity: 0.9;
  max-width: 90%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0 24px;
  transition: var(--transition-smooth);
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  user-select: none;
}

.faq-header h4 {
  font-size: 1.05rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.faq-icon {
  color: var(--color-orange);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-header:hover h4 {
  color: var(--color-orange);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding-bottom: 0;
}

.faq-body p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.faq-item.active {
  border-color: var(--color-orange);
}

.faq-item.active .faq-body {
  max-height: 200px;
  padding-bottom: 20px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* ==========================================================================
   CONTACT FORM & FIELDS
   ========================================================================== */
.contact-wrapper {
  background: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

/* Graphite Context Overrides for Contact Form */
.bg-graphite .contact-wrapper {
  background: var(--color-graphite-light) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.3) !important;
}

.bg-graphite .contact-form-side {
  background: var(--color-graphite-light) !important;
}

.bg-graphite .form-field label {
  color: var(--color-text-muted) !important;
}

.bg-graphite .form-input, 
.bg-graphite .form-select {
  background-color: var(--color-graphite) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  color: white !important;
}

.bg-graphite .form-input:focus, 
.bg-graphite .form-select:focus {
  border-color: var(--color-orange) !important;
  background-color: var(--color-graphite-light) !important;
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.15) !important;
}

.bg-graphite .bill-pill-btn {
  background-color: var(--color-graphite) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  color: var(--color-text-muted) !important;
}

.bg-graphite .bill-pill-btn:hover {
  border-color: white !important;
  color: white !important;
}

.bg-graphite .bill-pill-btn.selected {
  background: rgba(255, 107, 0, 0.15) !important;
  border-color: var(--color-orange) !important;
  color: var(--color-orange) !important;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-form-side {
  padding: 48px;
}

@media (max-width: 576px) {
  .contact-form-side {
    padding: 32px 24px;
  }
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 576px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.form-field {
  margin-bottom: 24px;
  position: relative;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}

.form-input, .form-select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
  background-color: var(--color-bg-light);
  transition: var(--transition-fast);
  color: var(--color-text-primary);
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-orange);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.bill-selection-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.bill-pill-btn {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 14px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  background: var(--color-bg-light);
  transition: var(--transition-fast);
}

.bill-pill-btn:hover {
  border-color: var(--color-dark-green);
}

.bill-pill-btn.selected {
  background: rgba(255, 107, 0, 0.08);
  border-color: var(--color-orange);
  color: var(--color-orange);
}

.contact-info-side {
  background-color: var(--color-dark-green);
  color: var(--color-text-light);
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 576px) {
  .contact-info-side {
    padding: 32px 24px;
  }
}

.contact-info-side h3 {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.info-icon {
  color: var(--color-orange);
  flex-shrink: 0;
}

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

.info-content h5 {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 4px;
  font-weight: 500;
}

.info-content p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  color: var(--color-text-light);
}

.social-btn:hover {
  background: var(--color-orange);
  color: var(--color-text-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: var(--color-dark-green);
  color: var(--color-text-light);
  padding: 80px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer h4 {
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 12px;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 300;
}

.footer-nav a:hover {
  color: var(--color-text-light);
  padding-left: 4px;
}

.footer-bottom {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

@media (max-width: 576px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}