.top-bar {
  background-color: var(--color-primary);
  color: #000;
  text-align: center;
  padding: 6px 0;
  font-size: 13px;
  font-weight: 600;
}

.site-header {
  background: rgba(10, 14, 42, 0.95);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo img {
  height: 53px;
  width: auto;
}

.main-nav ul {
  display: flex;
  gap: 32px;
  align-items: center;
}

.main-nav a {
  font-size: 16px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 0;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
  position: relative;
  z-index: 1002;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--color-bg-darker);
    padding: 100px 32px 32px;
    z-index: 1001;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    visibility: hidden;
  }

  .main-nav.active {
    transform: translateX(0);
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: block;
    font-size: 18px;
    padding: 8px 0;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
  }

  .mobile-overlay.active {
    display: block;
  }
}