:root {
  --primary-color: #00d4ff;
  --primary-dark: #0099cc;
  --bg-dark: #0f0f1e;
  --bg-darker: #0a0a14;
  --text-primary: #ffffff;
  --text-secondary: #b0b0c0;
  --border-color: #1a1a2e;
  --accent-color: #ff6b6b;

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  background-color: rgba(10, 10, 20, 0.95);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding: 80px 24px;
  background: linear-gradient(135deg, rgba(15, 15, 30, 1) 0%, rgba(26, 26, 46, 0.8) 100%);
  display: flex;
  justify-content: center;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
  text-align: left;
}

.hero-image-container {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.hero p {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  width: 100%;
  max-width: 500px;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--bg-dark);
}

/* About Arena */
.about-arena {
  padding: 80px 0;
  background-color: var(--bg-darker);
  display: flex;
  justify-content: center;
}

.about-arena .container {
  text-align: center;
}

.about-arena h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--primary-color);
}

.about-arena p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-image {
  width: 100%;
  max-width: 800px;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
  margin: 0 auto;
  display: block;
}

/* Features */
.features {
  padding: 80px 0;
  background-color: var(--bg-dark);
  display: flex;
  justify-content: center;
}

.features .container {
  text-align: center;
}

.features h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 60px;
  text-align: center;
  color: var(--primary-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  background-color: var(--bg-darker);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: #00d4ff;
  stroke-width: 2;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Experience Zones */
.experience-zones {
  padding: 80px 0;
  background-color: var(--bg-darker);
  display: flex;
  justify-content: center;
}

.experience-zones .container {
  text-align: center;
}

.experience-zones h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.zones-description {
  margin-top: 40px;
}

.zones-description p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Services */
.services {
  padding: 80px 0;
  background-color: var(--bg-dark);
  display: flex;
  justify-content: center;
}

.services .container {
  text-align: center;
}

.services h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.service-item {
  text-align: center;
  padding: 24px;
}

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

.service-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: #00d4ff;
  stroke-width: 2;
}

.service-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.service-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Products Section */
.products {
  padding: 80px 0;
  background-color: var(--bg-darker);
  display: flex;
  justify-content: center;
}

.products .container {
  text-align: center;
}

.products h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 60px;
  text-align: center;
  color: var(--primary-color);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.product-card {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.product-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 24px 8px;
  color: var(--text-primary);
}

.product-description {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 0 24px;
  margin-bottom: 8px;
  flex-grow: 1;
}

.product-price {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
  padding: 0 24px;
  margin-bottom: 16px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 14px;
  margin: 0 24px 24px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--bg-dark);
}

/* Why Us */
.why-us {
  padding: 80px 0;
  background-color: var(--bg-dark);
  display: flex;
  justify-content: center;
}

.why-us .container {
  text-align: center;
}

.why-us h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 60px;
  text-align: center;
  color: var(--primary-color);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.why-card {
  background-color: var(--bg-darker);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.why-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
}

.why-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: #00d4ff;
  stroke-width: 2;
}

.why-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.why-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contacts */
.contacts {
  padding: 80px 0;
  background-color: var(--bg-darker);
  display: flex;
  justify-content: center;
}

.contacts .container {
  text-align: center;
}

.contacts h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 60px;
  text-align: center;
  color: var(--primary-color);
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.contact-item {
  background-color: var(--bg-dark);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.contact-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

.contact-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: #00d4ff;
  stroke-width: 2;
}

.contact-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--primary-dark);
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Footer */
.footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 0;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  grid-column: 1;
}

.footer-links-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links-grid a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 14px;
}

.footer-links-grid a:hover {
  color: var(--primary-dark);
}

.footer-section h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.footer-section p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 14px;
}

.footer-section a:hover {
  color: var(--primary-dark);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    flex-direction: column;
    gap: 40px;
  }

  .hero-text {
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    height: 250px;
  }

  h2 {
    font-size: 28px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .why-us-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contacts-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .logo-section {
    gap: 12px;
  }

  .logo-icon {
    width: 40px;
    height: 40px;
  }

  .brand-name {
    font-size: 16px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 16px;
  }

  .hero h1 {
    font-size: 24px;
  }

  .hero p {
    font-size: 14px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-image {
    height: 200px;
  }

  .container {
    padding: 0 16px;
  }

  .feature-card,
  .why-card,
  .contact-item {
    padding: 24px;
  }

  .btn {
    padding: 12px 20px;
    font-size: 14px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}