:root {
  --color-primary: #1a1d2e;
  --color-secondary: #2d3250;
  --color-accent: #4a90e2;
  --color-accent-hover: #357abd;
  --color-text-light: #ffffff;
  --color-text-gray: #b8b8b8;
  --color-bg-light: #f5f5f5;
  --color-bg-dark: #0f1117;
  --color-border: #333;
  --color-success: #4caf50;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--color-text-light);
  background-color: #000000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.hero-section {
  position: relative;
  color: var(--color-text-light);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
  color: var(--color-text-light);
}

.hero-subtitle {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 300;
  line-height: 1.5;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
}

.cta-button {
  background: var(--color-accent);
  color: var(--color-text-light);
  border: none;
  padding: 1.2rem 3rem;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(74, 144, 226, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cta-button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(74, 144, 226, 0.4);
}

.about-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background: #000000;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.feature-card {
  background: var(--color-primary);
  padding: var(--spacing-lg);
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.feature-icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: center;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

.feature-description {
  color: var(--color-text-gray);
  font-size: 1.1rem;
  line-height: 1.6;
}

.about-text {
  text-align: center;
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--color-text-gray);
  max-width: 900px;
  margin: 0 auto;
}

.specs-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background: #000000;
}

.specs-section .section-title {
  color: var(--color-text-light);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.spec-item {
  background: var(--color-primary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border-left: 4px solid var(--color-accent);
  transition: var(--transition);
}

.spec-item:hover {
  background: var(--color-secondary);
  box-shadow: 0 4px 16px rgba(74, 144, 226, 0.2);
  transform: translateX(4px);
}

.spec-label {
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 1rem;
}

.spec-value {
  color: var(--color-text-gray);
  font-size: 1.1rem;
  line-height: 1.5;
}

.compatibility-note {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-text-light);
  padding: var(--spacing-lg);
  border-radius: 16px;
  text-align: center;
  margin-top: var(--spacing-lg);
}

.compatibility-note p {
  font-size: 1.2rem;
  margin: 0;
}

.gallery-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background: #000000;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.gallery-item {
  background: var(--color-primary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(74, 144, 226, 0.3);
}

.gallery-placeholder {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 1.3rem;
  font-weight: 600;
}

.gallery-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.gallery-caption {
  padding: var(--spacing-md);
  font-size: 1rem;
  color: var(--color-text-gray);
  text-align: center;
}

.video-section {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.video-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.video-container {
  max-width: 600px;
  margin: 0 auto;
}

.video-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background: var(--color-primary);
  border-radius: 16px;
  text-decoration: none;
  color: #ff0000;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-link:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(255, 0, 0, 0.4);
  border-color: rgba(255, 0, 0, 0.3);
}

.video-link span {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.contact-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background: #000000;
}

.contact-intro {
  text-align: center;
  font-size: 1.3rem;
  line-height: 1.8;
  color: var(--color-text-gray);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.contact-card {
  max-width: 1000px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: var(--spacing-xl);
  border-radius: 20px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.contact-method {
  text-align: center;
  color: var(--color-text-light);
}

.contact-method-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-method-value {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
  line-height: 1.6;
}

.contact-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
  margin-top: var(--spacing-sm);
}

.contact-button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(74, 144, 226, 0.4);
}

.contact-divider {
  width: 2px;
  height: 150px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 auto;
}

.response-time {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-success);
  margin-top: var(--spacing-lg);
}

.footer {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary) 100%);
  color: var(--color-text-light);
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-column h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
  font-size: 1.2rem;
}

.footer-column p {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-gray);
  line-height: 1.6;
}

.footer-logo {
  width: 200px;
  max-width: 100%;
  height: auto;
  margin-bottom: var(--spacing-sm);
  filter: brightness(1.1);
}

.footer-tagline {
  font-style: italic;
  color: var(--color-text-gray);
  font-size: 1rem;
}

.youtube-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-light);
  text-decoration: none;
  margin-top: var(--spacing-sm);
  padding: 0.5rem 1rem;
  background: rgba(255, 0, 0, 0.1);
  border-radius: 8px;
  transition: var(--transition);
}

.youtube-link:hover {
  background: rgba(255, 0, 0, 0.2);
  transform: translateX(4px);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-link {
  color: var(--color-text-gray);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

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

.footer-separator {
  color: rgba(255, 255, 255, 0.2);
}

.footer-copyright {
  text-align: center;
  color: var(--color-text-gray);
  font-size: 0.9rem;
  padding-top: var(--spacing-md);
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.modal.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-content {
  background-color: var(--color-primary);
  margin: 3% auto;
  padding: 0;
  border-radius: 16px;
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.3s ease;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-content h2 {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-text-light);
  padding: var(--spacing-lg);
  margin: 0;
  font-size: 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: calc(85vh - 100px);
}

.modal-body h3 {
  color: var(--color-accent);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  color: var(--color-text-gray);
}

.modal-body ul {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-md);
  line-height: 1.8;
}

.modal-body li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-gray);
}

.modal-body a {
  color: var(--color-accent);
  text-decoration: none;
}

.modal-body a:hover {
  text-decoration: underline;
}

.modal-close {
  position: absolute;
  right: 20px;
  top: 20px;
  color: var(--color-text-light);
  font-size: 2.5rem;
  font-weight: 300;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  line-height: 1;
  z-index: 11;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(90deg);
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
  }

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

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .cta-button {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

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

  .contact-card {
    padding: var(--spacing-md);
  }

  .contact-divider {
    width: 100%;
    height: 2px;
    margin: var(--spacing-md) 0;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .footer-separator {
    display: none;
  }

  .modal-content {
    width: 95%;
    margin: 5% auto;
  }

  .modal-content h2 {
    font-size: 1.5rem;
    padding: var(--spacing-md);
  }

  .modal-body {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .contact-intro {
    font-size: 1.1rem;
  }

  .contact-method-value {
    font-size: 1.1rem;
  }

  .contact-button {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
}