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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f2e;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --border-color: #1f2937;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 140px 20px 80px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

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

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  display: inline-block;
}

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

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

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

.btn-secondary:hover {
  border-color: var(--accent-primary);
}

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

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

.btn-large {
  padding: 18px 48px;
  font-size: 18px;
}

.btn-small {
  padding: 10px 24px;
  font-size: 14px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Features Section */
.features {
  padding: 80px 20px;
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Instructions Section */
.instructions {
  padding: 80px 20px;
}

.instructions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.instruction-card {
  text-align: center;
  padding: 32px;
}

.instruction-number {
  width: 56px;
  height: 56px;
  background: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin: 0 auto 20px;
}

.instruction-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* Promo CTA Section */
.promo-cta {
  padding: 80px 20px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.promo-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.promo-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}

.promo-text {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* Timer */
.timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-bottom: 40px;
}

.timer-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  min-width: 100px;
  text-align: center;
}

.timer-value {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-primary);
}

.timer-label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.timer-separator {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-primary);
}

/* Pricing Section */
.pricing {
  padding: 80px 20px;
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
}

.pricing-popular {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.pricing-best {
  border-color: #10b981;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-primary);
  color: white;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.pricing-best .pricing-badge {
  background: #10b981;
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
}

.pricing-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.price-amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent-primary);
}

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

.pricing-original {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.pricing-discount {
  font-size: 14px;
  color: #10b981;
  font-weight: 600;
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
}

.pricing-features li:before {
  content: "✓";
  color: var(--accent-primary);
  font-weight: 800;
  margin-right: 12px;
}

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

/* SEO Content Section */
.seo-content {
  padding: 80px 20px;
}

.seo-article {
  max-width: 800px;
  margin: 0 auto;
}

.seo-article h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 24px;
}

.seo-article h3 {
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--accent-primary);
}

.seo-article p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

.seo-article ul,
.seo-article ol {
  color: var(--text-secondary);
  margin: 20px 0 20px 24px;
  line-height: 1.8;
}

.seo-article li {
  margin-bottom: 12px;
}

.seo-article strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* FAQ Section */
.faq {
  padding: 80px 20px;
  background: var(--bg-secondary);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s;
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-icon {
  transition: transform 0.3s;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

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

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.footer {
  padding: 60px 20px 20px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

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

.footer-description {
  color: var(--text-secondary);
  margin-top: 12px;
}

.footer-links h4,
.footer-cta h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

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

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

.footer-cta p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 65px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 65px);
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 40px 20px;
    gap: 24px;
    transition: left 0.3s;
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .section-title {
    font-size: 32px;
  }

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

  .timer {
    flex-wrap: wrap;
  }

  .timer-item {
    min-width: 80px;
    padding: 16px;
  }

  .timer-value {
    font-size: 28px;
  }

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