.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  background: rgba(6, 8, 15, 0.78);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-inset);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.lang-btn {
  min-width: 36px;
  padding: 6px 10px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn--active {
  color: var(--text);
  background: rgba(91, 141, 239, 0.24);
}

.hero-section,
.features-section,
.workflow-section,
.platform-section,
.pricing-preview-section,
.cta-section {
  padding: 88px 0;
}

.trusted-section {
  padding: 18px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.workflow-grid--three {
  grid-template-columns: repeat(3, 1fr);
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 26px;
  align-items: start;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 0 44px;
}

@media (max-width: 1100px) {
  .hero-grid,
  .platform-grid,
  .feature-grid,
  .workflow-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    gap: 18px;
  }
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
  }

  .hero-section,
  .features-section,
  .workflow-section,
  .platform-section,
  .pricing-preview-section,
  .cta-section {
    padding: 64px 0;
  }

  .footer-inner {
    flex-direction: column;
  }
}