/* Header styles for Cards and Sports */

.cs-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

.cs-header__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cs-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.cs-header__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  background: radial-gradient(circle at 30% 0, rgba(231, 43, 69, 0.7), transparent 55%),
              linear-gradient(135deg, #ff4a64, var(--color-primary));
  box-shadow: 0 10px 20px rgba(231, 43, 69, 0.6);
}

.cs-header__brand-text {
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.cs-header__brand-text span {
  color: var(--color-primary);
}

.cs-header__lang {
  font-size: var(--font-size-xs);
}

/* Navigation layout */

.cs-header__nav {
  display: flex;
  align-items: center;
}

.cs-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.cs-header__nav-item--highlight .navbar-link {
  padding-inline: 0.85rem;
  padding-block: 0.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(231, 43, 69, 0.75);
  background-color: rgba(231, 43, 69, 0.12);
}

.cs-header__nav-item--highlight .navbar-link:hover,
.cs-header__nav-item--highlight .navbar-link[aria-current="page"] {
  background-color: rgba(231, 43, 69, 0.24);
}

/* Mobile toggle */

.cs-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background-color: rgba(5, 7, 19, 0.9);
  color: var(--color-text);
  cursor: pointer;
}

.cs-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.cs-header__toggle:focus-visible {
  box-shadow: var(--shadow-focus);
}

/* Open state animation */

.cs-header--menu-open .cs-header__toggle-bar:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.cs-header--menu-open .cs-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.cs-header--menu-open .cs-header__toggle-bar:nth-child(3) {
  transform: translateY(-3px) rotate(-45deg);
}

/* Responsive navigation */

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

  .cs-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: radial-gradient(circle at top, rgba(231, 43, 69, 0.22), transparent 55%),
                rgba(5, 7, 19, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-fast);
  }

  .cs-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--container-padding-x) var(--space-6);
    gap: var(--space-3);
  }

  .cs-header__nav-item .navbar-link {
    display: block;
    width: 100%;
  }

  .cs-header--menu-open .cs-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (min-width: 769px) {
  .cs-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
}