:root {
  --primary: #4567b7;
  --accent: #6495ed;
  --bg-dark: #212529;
  --bg-card: #2f343a;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --border-color: #3a3d41;
  --gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

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

body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

.logo-img {
  max-width: 53px;
  height: auto;
}

img:not(.logo-img):not(.logo) {
  max-width: 100%;
  height: auto;
  display: block;
}

.navbar {
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(11px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
  font-size: 1.5rem;
  color: var(--text-primary) !important;
  transition: all 0.3s ease;
}

.navbar-brand .site-name {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  font-weight: 700;
}

.navbar-brand:hover {
  color: var(--accent) !important;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transform: translateX(-50%);
  transition: width 0.3s ease;
  pointer-events: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary) !important;
}

.nav-link:hover::after {
  width: 80%;
}

.dropdown-menu {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
}

.dropdown-item {
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--primary);
}

.btn-primary {
  background: var(--gradient);
  border: none;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
  pointer-events: none;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 33px rgba(139, 92, 246, 0.3);
}

.btn-outline-primary {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background: var(--gradient);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
}

.btn-outline-light {
  border: 2px solid white;
  color: white;
  background: transparent;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background: white;
  color: var(--bg-dark);
}

.btn-light {
  background: white;
  color: var(--bg-dark);
  border: none;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

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

.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 101px 0 48px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.8) 50%, rgba(139, 92, 246, 0.2) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.hero-features {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
}

.hero-feature-item i {
  font-size: 1.5rem;
  color: var(--accent);
}

.hero-stats-card {
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  backdrop-filter: blur(13px);
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(11px); }
}

section {
  padding: 101px 0;
  position: relative;
}

.section-header {
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.calculator-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 17px;
  padding: 2.5rem;
}

.form-label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-control,
.form-select {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  background: var(--bg-dark);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-control::placeholder {
  color: rgba(160, 160, 160, 0.5);
}

.calculator-results {
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid var(--accent);
  border-radius: 11px;
  padding: 2rem;
}

.result-title {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.result-item {
  text-align: center;
}

.result-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.result-value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
}

.brightness-comparison {
  background: var(--bg-dark);
}

.brightness-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.brightness-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.brightness-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

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

.brightness-card.featured {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.05);
}

.brightness-card.featured::before {
  opacity: 1;
}

.featured-badge {
  display: inline-block;
  background: var(--gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 23px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.brightness-value {
  font-size: 3rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.brightness-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.brightness-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.brightness-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.brightness-list {
  list-style: none;
  padding: 0;
}

.brightness-list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.brightness-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  pointer-events: none;
}

.features-section {
  background: var(--bg-dark);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 10px 27px rgba(139, 92, 246, 0.2);
}

.feature-icon {
  width: 67px;
  height: 71px;
  margin: 0 auto 1.5rem;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.feature-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.feature-text {
  color: var(--text-secondary);
}

.services-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 14px 42px rgba(139, 92, 246, 0.2);
}

.service-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.1);
}

.service-content {
  padding: 2rem;
}

.service-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.service-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-list {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.service-list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.service-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  pointer-events: none;
}

.testimonials-section {
  background: var(--bg-dark);
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 17px;
  padding: 2rem;
  height: 100%;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.testimonial-rating {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.testimonial-text {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

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

.testimonial-author img {
  width: 52px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.author-name {
  color: var(--text-primary);
  font-weight: 600;
}

.author-role {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.team-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.team-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.team-card:hover .team-image img {
  transform: scale(1.1);
}

.team-content {
  padding: 1.5rem;
  text-align: center;
}

.team-name {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.team-role {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.team-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.team-social a {
  width: 39px;
  height: 39px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.team-social a:hover {
  background: var(--gradient);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
}

.stats-section {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, var(--bg-dark) 100%);
  position: relative;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="%238b5cf6" fill-opacity="0.1"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 19px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 13px 31px rgba(139, 92, 246, 0.2);
}

.stat-icon {
  width: 57px;
  height: 62px;
  margin: 0 auto 1rem;
  background: var(--gradient);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.faq-section {
  background: var(--bg-dark);
}

.accordion {
  --bs-accordion-bg: var(--bg-card);
  --bs-accordion-border-color: var(--border-color);
  --bs-accordion-btn-color: var(--text-primary);
  --bs-accordion-active-bg: rgba(139, 92, 246, 0.05);
  --bs-accordion-active-color: var(--text-primary);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  border-radius: 14px;
  overflow: hidden;
}

.accordion-button {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  padding: 1.25rem;
}

.accordion-button:not(.collapsed) {
  background: rgba(139, 92, 246, 0.05);
  color: var(--text-primary);
  box-shadow: none;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238b5cf6'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
  color: var(--text-secondary);
  padding: 1.25rem;
}

.cta-section {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, var(--bg-dark) 100%);
}

.cta-card {
  background: var(--gradient);
  border-radius: 13px;
  padding: 3rem;
  text-align: center;
}

.cta-title {
  color: white;
  margin-bottom: 1rem;
}

.cta-text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
}

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
  margin-top: 97px;
}

.footer-brand {
  color: var(--text-primary) !important;
  font-size: 1.5rem;
  text-decoration: none;
}

.footer-text {
  color: var(--text-secondary);
  margin-top: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 39px;
  height: 42px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-link:hover {
  background: var(--gradient);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
}

.footer-title {
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact {
  list-style: none;
  padding: 0;
}

.footer-contact li {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.footer-contact i {
  color: var(--accent);
  margin-right: 0.5rem;
}

.footer-divider {
  border-color: var(--border-color);
  margin: 2rem 0;
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-legal {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: end;
}

.footer-legal li {
  display: inline-block;
}

.footer-legal a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--accent);
}

.page-hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, var(--bg-dark) 100%);
}

.page-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.page-lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.page-hero-image {
  border-radius: 18px;
  box-shadow: 0 22px 57px rgba(139, 92, 246, 0.3);
}

.about-story,
.about-values {
  background: var(--bg-dark);
}

.story-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 3rem;
}

.story-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.value-icon {
  width: 67px;
  height: 69px;
  margin: 0 auto 1.5rem;
  background: var(--gradient);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.value-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.value-text {
  color: var(--text-secondary);
}

.process-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
}

.process-step:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.step-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 1rem;
}

.step-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.step-text {
  color: var(--text-secondary);
}

.contact-section {
  background: var(--bg-dark);
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.contact-info-card:hover {
  border-color: var(--accent);
}

.contact-icon {
  width: 61px;
  height: 59px;
  background: var(--gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1rem;
}

.contact-info-title {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.contact-info-text {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2.5rem;
}

.form-title {
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.blog-section {
  background: var(--bg-dark);
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 17px;
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 17px 39px rgba(139, 92, 246, 0.2);
}

.blog-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.1);
}

.blog-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.blog-content {
  padding: 2rem;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.blog-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.blog-excerpt {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.blog-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.blog-link:hover {
  gap: 0.75rem;
}

.article-page {
  background: var(--bg-dark);
}

.article-hero {
  padding: 150px 0 51px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, var(--bg-dark) 100%);
}

.article-meta-top {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.article-category {
  background: var(--gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 21px;
  font-size: 0.875rem;
  font-weight: 600;
}

.article-date,
.article-time {
  color: var(--text-secondary);
}

.article-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.article-lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.article-hero-image {
  border-radius: 17px;
  box-shadow: 0 19px 60px rgba(139, 92, 246, 0.3);
}

.article-content {
  padding: 98px 0;
}

.article-content h2 {
  margin: 2.5rem 0 1.5rem;
  color: var(--text-primary);
}

.article-content h3 {
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}

.article-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.article-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.article-list li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 2rem;
  line-height: 1.8;
}

.article-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  pointer-events: none;
}

.article-highlight {
  background: rgba(139, 92, 246, 0.1);
  border-left: 4px solid var(--accent);
  padding: 2rem;
  margin: 2.5rem 0;
  border-radius: 8px;
}

.article-highlight h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.article-highlight p {
  margin-bottom: 0;
}

.article-cta {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  padding: 2.5rem;
  text-align: center;
  margin-top: 3rem;
}

.article-cta h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.article-cta p {
  margin-bottom: 1.5rem;
}

.related-articles {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
  padding: 97px 0;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.related-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.related-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-card:hover img {
  transform: scale(1.1);
}

.related-content {
  padding: 1.5rem;
}

.related-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.related-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.related-link:hover {
  gap: 0.75rem;
}

.service-hero {
  padding: 150px 0 98px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, var(--bg-dark) 100%);
}

.service-hero-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.service-hero-lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.service-hero-image {
  border-radius: 16px;
  box-shadow: 0 17px 62px rgba(139, 92, 246, 0.3);
}

.service-features {
  background: var(--bg-dark);
  padding: 99px 0;
}

.product-models {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
  padding: 97px 0;
}

.model-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
  position: relative;
}

.model-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.model-card.featured {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.05);
}

.model-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.model-name {
  color: var(--text-primary);
  padding: 1.5rem 1.5rem 1rem;
  margin-bottom: 0;
}

.model-specs {
  padding: 0 1.5rem 1.5rem;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.spec-item:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.spec-value {
  color: var(--accent);
  font-weight: 600;
}

.model-card .btn {
  margin: 0 1.5rem 1.5rem;
}

.use-cases {
  background: var(--bg-dark);
  padding: 102px 0;
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 19px;
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: all 0.3s ease;
}

.use-case-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.use-case-card i {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.use-case-card h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.use-case-card p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

.screen-types,
.screen-materials {
  background: var(--bg-dark);
  padding: 97px 0;
}

.screen-type-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  overflow: hidden;
  height: 100%;
  transition: all 0.3s ease;
}

.screen-type-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.screen-type-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.screen-type-title {
  color: var(--text-primary);
  padding: 1.5rem 1.5rem 1rem;
  margin-bottom: 0;
}

.screen-type-text {
  color: var(--text-secondary);
  padding: 0 1.5rem 1rem;
}

.screen-features {
  list-style: none;
  padding: 0 1.5rem 1.5rem;
}

.screen-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.screen-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  pointer-events: none;
}

.material-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  padding: 2rem;
  height: 100%;
  transition: all 0.3s ease;
}

.material-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.material-icon {
  width: 59px;
  height: 63px;
  background: var(--gradient);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.5rem;
}

.material-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.material-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.material-specs {
  background: rgba(139, 92, 246, 0.05);
  border-radius: 8px;
  padding: 1rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

.spec-row strong {
  color: var(--accent);
}

.installation-process {
  background: var(--bg-dark);
  padding: 101px 0;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 17px;
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
}

.process-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.process-number {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
  opacity: 0.3;
}

.process-icon {
  width: 57px;
  height: 62px;
  margin: 1rem auto;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.process-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.process-text {
  color: var(--text-secondary);
}

.installation-services {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
  padding: 100px 0;
}

.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2.5rem;
  height: 100%;
  transition: all 0.3s ease;
}

.service-detail-card:hover {
  border-color: var(--accent);
}

.service-detail-icon {
  width: 71px;
  height: 67px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
}

.service-detail-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.service-detail-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-detail-list {
  list-style: none;
  padding: 0;
}

.service-detail-list li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 2rem;
}

.service-detail-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  pointer-events: none;
}

.warranty-support {
  background: var(--bg-dark);
  padding: 101px 0;
}

.warranty-text {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.warranty-list {
  list-style: none;
  padding: 0;
}

.warranty-list li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: start;
  gap: 1rem;
}

.warranty-list i {
  color: var(--accent);
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

.warranty-image {
  border-radius: 17px;
  box-shadow: 0 19px 63px rgba(139, 92, 246, 0.3);
}

.pricing-section {
  background: var(--bg-dark);
  padding: 99px 0;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2.5rem;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(139, 92, 246, 0.2);
}

.pricing-card.featured {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.05);
}

.pricing-header {
  text-align: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.pricing-name {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.pricing-price {
  display: flex;
  align-items: start;
  justify-content: center;
  gap: 0.25rem;
}

.currency {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.amount {
  font-size: 3.5rem;
  font-weight: 700;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  color: var(--accent);
  line-height: 1;
}

.pricing-period {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.pricing-features ul {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li.disabled {
  opacity: 0.4;
}

.pricing-features i {
  color: var(--accent);
}

.pricing-features .fa-times {
  color: var(--text-secondary);
}

.comparison-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(139, 92, 246, 0.05) 100%);
  padding: 100px 0;
}

.comparison-table {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
}

.comparison-table thead {
  background: rgba(139, 92, 246, 0.1);
}

.comparison-table th {
  color: var(--text-primary);
  font-weight: 600;
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table td {
  color: var(--text-secondary);
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr:hover {
  background: rgba(139, 92, 246, 0.05);
}

.case-studies-section {
  background: var(--bg-dark);
  padding: 101px 0;
}

.case-study-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 3rem;
  transition: all 0.3s ease;
}

.case-study-card:hover {
  border-color: var(--accent);
}

.case-study-image {
  border-radius: 13px;
}

.case-study-badge {
  background: var(--gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 23px;
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}

.case-study-title {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.case-study-text {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.case-study-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.case-study-quote {
  background: rgba(139, 92, 246, 0.1);
  border-left: 4px solid var(--accent);
  padding: 1.5rem;
  margin: 0;
  border-radius: 8px;
}

.case-study-quote p {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1rem;
}

.case-study-quote footer {
  color: var(--text-primary);
  font-weight: 600;
  font-style: normal;
}

.legal-page {
  padding: 150px 0 102px;
  background: var(--bg-dark);
}

.legal-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.legal-updated {
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.legal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 19px;
  padding: 3rem;
}

.legal-content h2 {
  color: var(--text-primary);
  margin: 2.5rem 0 1.5rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  color: var(--text-primary);
  margin: 2rem 0 1rem;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.legal-content li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

@media (max-width: 991px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .hero-title { font-size: 2.5rem; }
  .page-title { font-size: 2.5rem; }
  .article-title { font-size: 2.5rem; }

  .hero-section { min-height: 70vh; }

  section { padding: 59px 0; }

  .footer-legal { justify-content: start; margin-top: 1rem; }
}

@media (max-width: 767px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero-title { font-size: 2rem; }
  .page-title { font-size: 2rem; }
  .article-title { font-size: 2rem; }

  .hero-features { gap: 1rem; }

  .navbar-brand { font-size: 1.25rem; }

  .calculator-card,
  .story-content,
  .contact-form-card,
  .legal-content { padding: 1.5rem; }
}