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

:root {
  --primary: #ff6b35;
  --primary-dark: #e55a25;
  --primary-light: #ff8555;
  --bg-dark: #0f0f0f;
  --bg-card: #1a1a1a;
  --text-light: #ffffff;
  --text-muted: #cccccc;
  --border-color: #333333;
  --accent: #ff6b35;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a0f0a 100%);
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-light);
}

.hero-text p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}

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

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

.btn-primary-full {
  width: 100%;
  background-color: var(--primary);
  color: white;
}

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

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

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

.btn-promo {
  background-color: var(--primary);
  color: white;
}

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

.btn-platform {
  background-color: var(--primary);
  color: white;
  padding: 10px 24px;
  font-size: 13px;
}

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

.hero-platforms {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 14px;
}

.platform-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  background-color: var(--bg-card);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid var(--border-color);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-shield {
  width: 280px;
  height: 280px;
  filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.3));
}

/* Features Section */
.features {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.features h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 50px;
  color: var(--text-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--bg-card);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

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

.feature-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

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

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

/* Instructions Section */
.instructions {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a0f0a 0%, var(--bg-dark) 100%);
}

.instructions h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 50px;
  color: var(--text-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  border-radius: 50%;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--text-light);
}

.step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Advantages Section */
.advantages {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.advantages h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 12px;
  color: var(--text-light);
}

.advantages-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 60px;
}

.advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.advantage-item {
  display: flex;
  gap: 25px;
  background-color: var(--bg-card);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.advantage-item:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.1);
}

.advantage-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  min-width: 50px;
  background-color: var(--primary);
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  color: white;
}

.advantage-content h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--text-light);
}

.advantage-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Promo Banner */
.promo-banner {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  text-align: center;
}

.promo-content h2 {
  font-size: 36px;
  margin-bottom: 10px;
  color: white;
}

.promo-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 25px;
}

.btn-promo {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid white;
}

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

/* Pricing Section */
.pricing {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.pricing h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 12px;
  color: var(--text-light);
}

.pricing-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 50px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.pricing-card {
  background-color: var(--bg-card);
  padding: 40px 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: var(--primary);
  transform: translateY(-10px);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(255, 107, 53, 0.2);
}

.badge-popular {
  position: absolute;
  top: -12px;
  left: 20px;
  background-color: var(--primary);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--text-light);
  margin-top: 10px;
}

.price {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 5px;
}

.period {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.discount {
  background-color: rgba(255, 107, 53, 0.1);
  color: var(--primary);
  padding: 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.features-list {
  list-style: none;
  margin-bottom: 25px;
}

.features-list li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

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

/* Platforms Section */
.platforms {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a0f0a 0%, var(--bg-dark) 100%);
}

.platforms h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 12px;
  color: var(--text-light);
}

.platforms-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 50px;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
}

.platform-card {
  background-color: var(--bg-card);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s;
}

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

.platform-icon {
  font-size: 48px;
  margin-bottom: 15px;
}

.platform-card h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--text-light);
}

.platform-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.4;
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.faq h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 50px;
  color: var(--text-light);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
}

.faq-item {
  background-color: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px;
  cursor: pointer;
  transition: all 0.3s;
}

.faq-item:hover .faq-header {
  background-color: rgba(255, 107, 53, 0.05);
}

.faq-header h3 {
  font-size: 16px;
  color: var(--text-light);
  margin: 0;
  flex: 1;
}

.faq-icon {
  font-size: 24px;
  color: var(--primary);
  transition: transform 0.3s;
}

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

.faq-content {
  padding: 0 25px 25px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item.active .faq-content {
  max-height: 500px;
}

.faq-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer CTA */
.footer-cta {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.footer-cta h2 {
  font-size: 36px;
  margin-bottom: 12px;
  color: white;
}

.footer-cta p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 25px;
}

/* Footer */
.footer {
  background-color: #000;
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

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

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

  .btn {
    width: 100%;
  }

  .hero-shield {
    width: 200px;
    height: 200px;
  }

  .nav-menu {
    gap: 20px;
    font-size: 12px;
  }

  .features h2,
  .instructions h2,
  .pricing h2,
  .platforms h2,
  .faq h2 {
    font-size: 28px;
  }

  .features-grid,
  .steps-grid,
  .platforms-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero-platforms {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-cta h2 {
    font-size: 24px;
  }

  .advantages h2 {
    font-size: 28px;
  }

  .advantages-list {
    grid-template-columns: 1fr;
  }

  .advantage-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .advantage-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 40px 0;
  }

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

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

  .nav-menu {
    display: none;
  }

  .features h2,
  .instructions h2,
  .pricing h2,
  .platforms h2,
  .faq h2 {
    font-size: 20px;
  }

  .price {
    font-size: 32px;
  }

  .hero-shield {
    width: 150px;
    height: 150px;
  }

  .advantages h2 {
    font-size: 20px;
  }

  .advantages-subtitle {
    font-size: 14px;
  }

  .advantage-item {
    padding: 20px;
    gap: 15px;
  }

  .advantage-content h3 {
    font-size: 16px;
  }

  .advantage-content p {
    font-size: 13px;
  }
}