:root {
  --color-bg-light: #F5F7FA;
  --color-bg-dark: #1F1F1F;
  --color-neon-blue: #00BFFF;
  --color-soft-cyan: #1DE9B6;
  --color-electric-purple: #9B59B6;
  --color-text-dark: #222222;
  --color-text-gray: #6E6E6E;
  --color-text-white: #FFFFFF;
  --font-primary: 'Exo 2', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-neon: 0 0 20px rgba(0, 191, 255, 0.3);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-gray);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xxl) 0;
  position: relative;
}

.header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 247, 250, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.header-wrapper.hidden {
  transform: translateY(-100%);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.brand-text {
  font-family: var(--font-primary);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  color: var(--color-text-dark);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--color-text-gray);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-neon-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-neon-blue);
  transition: width var(--transition-base);
}

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

.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
  position: relative;
}

.burger-icon {
  width: 28px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.burger-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text-dark);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.burger-toggle.active .burger-icon span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-toggle.active .burger-icon span:nth-child(2) {
  opacity: 0;
}

.burger-toggle.active .burger-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(31, 31, 31, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-list {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.mobile-menu-link {
  font-size: 1.5rem;
  color: var(--color-text-white);
  font-family: var(--font-primary);
  transition: color var(--transition-fast);
}

.mobile-menu-link:hover {
  color: var(--color-neon-blue);
}

.hero-section {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #E8F4F8 100%);
  padding-top: 80px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-xl);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-electric-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.5));
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--color-text-white);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-image-wrapper {
  position: relative;
  margin: var(--space-xl) auto;
  max-width: 600px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-neon);
  filter: drop-shadow(0 0 30px rgba(0, 191, 255, 0.2));
}

.cta-button {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-soft-cyan));
  color: var(--color-text-white);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 400;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-neon);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.product-card {
  background: var(--color-text-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 191, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.product-card:hover::before {
  left: 100%;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 191, 255, 0.2);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-dark);
}

.product-description {
  color: var(--color-text-gray);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-neon-blue);
  margin-top: var(--space-md);
}

.features-section {
  background: var(--color-text-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.feature-item {
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  color: var(--color-neon-blue);
  transition: transform var(--transition-base);
}

.feature-item:hover .feature-icon {
  transform: scale(1.2) rotate(5deg);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.feature-text {
  font-size: 0.9rem;
  color: var(--color-text-gray);
}

.smart-home-section {
  background: linear-gradient(135deg, #1F1F1F 0%, #2A2A2A 100%);
  color: var(--color-text-white);
}

.smart-home-section h2,
.smart-home-section h3 {
  color: var(--color-text-white);
}

.smart-home-section p {
  color: rgba(255, 255, 255, 0.8);
}

.device-panels {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  padding: var(--space-lg) 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.device-panel {
  min-width: 280px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 191, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  scroll-snap-align: start;
  transition: all var(--transition-base);
}

.device-panel:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-neon-blue);
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
  transform: scale(1.05);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.testimonial-card {
  background: var(--color-text-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-neon-blue);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--space-md);
  color: var(--color-text-gray);
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-text-dark);
}

.contact-section {
  background: var(--color-text-white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-neon-blue);
  flex-shrink: 0;
}

.contact-details h4 {
  margin-bottom: var(--space-xs);
  color: var(--color-text-dark);
}

.contact-details p {
  color: var(--color-text-gray);
  margin: 0;
}

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.form-container {
  background: var(--color-text-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-dark);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid #E0E0E0;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
  background: var(--color-bg-light);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-neon-blue);
  box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.checkbox-input {
  margin-top: 4px;
  flex-shrink: 0;
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-gray);
  line-height: 1.5;
}

.error-message {
  color: #E74C3C;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.error-message.show {
  display: block;
}

.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-xxl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section h4 {
  color: var(--color-text-white);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links li {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-neon-blue);
}

.footer-copyright {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-text-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  z-index: 2000;
  transform: translateY(150%);
  transition: transform var(--transition-base);
  border: 2px solid var(--color-neon-blue);
}

.privacy-popup.show {
  transform: translateY(0);
}

.privacy-popup-content {
  margin-bottom: var(--space-md);
}

.privacy-popup-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-dark);
}

.privacy-popup-text {
  font-size: 0.875rem;
  color: var(--color-text-gray);
  margin-bottom: var(--space-md);
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-sm);
}

.btn-accept,
.btn-decline {
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex: 1;
}

.btn-accept {
  background: var(--color-neon-blue);
  color: var(--color-text-white);
}

.btn-accept:hover {
  background: var(--color-soft-cyan);
}

.btn-decline {
  background: var(--color-bg-light);
  color: var(--color-text-dark);
  border: 1px solid #E0E0E0;
}

.btn-decline:hover {
  background: #E0E0E0;
}

.page-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-electric-purple));
  color: var(--color-text-white);
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  margin-top: 70px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: var(--color-text-white);
  margin-bottom: var(--space-md);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

.content-section {
  padding: var(--space-xxl) 0;
}

.content-block {
  margin-bottom: var(--space-xl);
}

.content-block h2 {
  margin-bottom: var(--space-md);
  color: var(--color-text-dark);
}

.content-block p {
  margin-bottom: var(--space-md);
}

.content-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-md);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.spec-card {
  background: var(--color-text-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-neon-blue);
  transition: all var(--transition-base);
}

.spec-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.spec-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-dark);
}

.spec-list {
  list-style: none;
}

.spec-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid #F0F0F0;
  color: var(--color-text-gray);
}

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

.tips-list {
  list-style: none;
  margin-top: var(--space-xl);
}

.tip-item {
  background: var(--color-text-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-soft-cyan);
  transition: all var(--transition-base);
}

.tip-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.tip-title {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-dark);
}

.tip-content {
  color: var(--color-text-gray);
}

.thankyou-content {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.thankyou-content h1 {
  color: var(--color-neon-blue);
  margin-bottom: var(--space-lg);
}

.thankyou-content p {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

.error-content {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.error-content h1 {
  font-size: 6rem;
  color: var(--color-neon-blue);
  margin-bottom: var(--space-md);
}

.error-content h2 {
  margin-bottom: var(--space-lg);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .burger-toggle {
    display: block;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .device-panels {
    gap: var(--space-md);
  }

  .device-panel {
    min-width: 260px;
  }

  .hero-section {
    min-height: 70vh;
    padding-top: 60px;
  }

  .page-hero {
    min-height: 40vh;
    margin-top: 60px;
  }

  .privacy-popup {
    bottom: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
}

.info-box {
  background: linear-gradient(135deg, rgba(0, 191, 255, 0.1), rgba(29, 233, 182, 0.1));
  border-left: 4px solid var(--color-neon-blue);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-sm);
}

.info-box-title {
  font-size: 1.3rem;
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.info-box-title i {
  color: var(--color-neon-blue);
  font-size: 1.5rem;
}

.info-box-content {
  color: var(--color-text-gray);
  line-height: 1.8;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.stat-card {
  background: var(--color-text-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border-top: 3px solid var(--color-neon-blue);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-neon-blue);
  margin-bottom: var(--space-sm);
  display: block;
}

.stat-label {
  color: var(--color-text-gray);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
  background: var(--color-text-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparison-table th {
  background: var(--color-neon-blue);
  color: var(--color-text-white);
  padding: var(--space-md);
  text-align: left;
  font-weight: 500;
}

.comparison-table td {
  padding: var(--space-md);
  border-bottom: 1px solid #F0F0F0;
  color: var(--color-text-gray);
}

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

.comparison-table tr:hover {
  background: rgba(0, 191, 255, 0.05);
}

.faq-section {
  margin: var(--space-xl) 0;
}

.faq-item {
  background: var(--color-text-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: var(--space-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  color: var(--color-text-dark);
  transition: background var(--transition-base);
}

.faq-question:hover {
  background: rgba(0, 191, 255, 0.05);
}

.faq-question i {
  color: var(--color-neon-blue);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--space-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  color: var(--color-text-gray);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 var(--space-lg) var(--space-lg);
}

.highlight-box {
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-soft-cyan));
  color: var(--color-text-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.highlight-box h3 {
  color: var(--color-text-white);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.highlight-box p {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.process-timeline {
  position: relative;
  padding: var(--space-xl) 0;
  margin: var(--space-xl) 0;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-neon-blue);
}

.process-step {
  position: relative;
  padding-left: 80px;
  margin-bottom: var(--space-xl);
}

.process-step::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-neon-blue);
  border: 4px solid var(--color-text-white);
  box-shadow: 0 0 0 2px var(--color-neon-blue);
}

.process-step-number {
  position: absolute;
  left: 15px;
  top: -5px;
  width: 30px;
  height: 30px;
  background: var(--color-neon-blue);
  color: var(--color-text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.process-step-content h4 {
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
  font-size: 1.2rem;
}

.process-step-content p {
  color: var(--color-text-gray);
}

.benefits-list {
  list-style: none;
  margin: var(--space-xl) 0;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--color-text-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.benefit-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  font-size: 1.5rem;
  color: var(--color-neon-blue);
  flex-shrink: 0;
  margin-top: 4px;
}

.benefit-content h4 {
  color: var(--color-text-dark);
  margin-bottom: var(--space-xs);
  font-size: 1.1rem;
}

.benefit-content p {
  color: var(--color-text-gray);
  margin: 0;
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .products-grid,
  .features-grid,
  .testimonials-grid,
  .specs-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding: var(--space-sm) var(--space-md);
  }

  .hero-content {
    padding: var(--space-md);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    font-size: 0.875rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-sm);
  }

  .process-timeline::before {
    left: 15px;
  }

  .process-step {
    padding-left: 60px;
  }

  .process-step::before {
    left: 5px;
  }

  .process-step-number {
    left: 0;
  }
}