.header {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-indigo) 100%
  );
  color: var(--color-white);
  box-shadow: var(--box-shadow-default);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: rgba(0, 0, 0, 0.1);
  padding: var(--spacing-sm) 0;
}

.header-main {
  padding: var(--spacing-base) 0;
}

.header-bottom {
  background: var(--color-primary);
  padding: var(--spacing-sm) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.header-top-content {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.logo-icon {
  font-size: var(--font-size-h1);
  color: var(--color-warning);
}

.header-info span:first-of-type {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.header-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-base);
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
}

.header-main-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: var(--spacing-xl);
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-link {
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--border-radius-base);
  font-weight: var(--font-weight-semi-bold);
  transition: all 0.3s ease;
  font-size: var(--font-size-base);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  white-space: nowrap;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: var(--color-white);
}

.nav-link::before {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-warning);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::before {
  width: 80%;
}

.nav-icon {
  font-size: var(--font-size-lg);
  min-width: 20px;
  text-align: center;
}

.marquee-container {
  padding: var(--spacing-sm) 0;
  overflow: hidden;
  position: relative;
}

.marquee-content {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  gap: var(--spacing-xl);
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-base);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.marquee-label {
  font-weight: var(--font-weight-semi-bold);
  color: var(--color-warning);
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.marquee-value {
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  font-size: var(--font-size-base);
  white-space: nowrap;
}

.marquee-separator {
  color: var(--color-gray-300);
  margin: 0 var(--spacing-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

@keyframes marquee {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

.marquee-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: var(--spacing-lg);
  width: 100%;
  padding: var(--spacing-sm) 0;
}

.marquee-grid-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-base);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex: 1;
  min-width: 0;
  justify-content: center;
}

@media (max-width: 1200px) {
  .nav-list {
    gap: var(--spacing-base);
  }

  .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .nav-icon {
    font-size: var(--font-size-base);
  }
}

@media (max-width: 968px) {
  .header-main-content {
    flex-direction: column;
    gap: var(--spacing-base);
  }

  .nav-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .logo {
    font-size: var(--font-size-h3);
  }

  .marquee-grid {
    flex-wrap: wrap;
    gap: var(--spacing-base);
  }

  .marquee-grid-item {
    flex: none;
    min-width: 200px;
  }
}

@media (max-width: 768px) {
  .header-top-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .nav-list {
    gap: var(--spacing-xs);
  }

  .nav-link {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs);
  }

  .nav-icon {
    display: none;
  }

  .marquee-item {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .marquee-label,
  .marquee-value {
    font-size: var(--font-size-xs);
  }

  .marquee-grid-item {
    min-width: 150px;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: var(--font-size-h4);
    gap: var(--spacing-sm);
  }

  .logo-icon {
    font-size: var(--font-size-h2);
  }

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .marquee-content {
    animation: marquee 20s linear infinite;
  }

  .marquee-grid {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .marquee-grid-item {
    width: 100%;
    justify-content: flex-start;
  }
}

.nav-link:hover .nav-icon {
  transform: scale(1.1);
  color: var(--color-warning);
}

.logo:hover .logo-icon {
  transform: rotate(10deg);
  transition: transform 0.3s ease;
}

.marquee-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  transition: all 0.3s ease;
}

.nav-link.active {
  background-color: rgba(255, 255, 255, 0.3);
  color: var(--color-warning);
}

.nav-link.active::before {
  width: 80%;
}

.nav-link:focus {
  outline: 2px solid var(--color-warning);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
}

.nav-link,
.marquee-item {
  will-change: transform;
  backface-visibility: hidden;
}