/* Header styles for StriikeArenaGame */
.sa-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: radial-gradient(circle at top, #2b0b17 0, #07030b 55%, #020106 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(16px);
}

.sa-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.sa-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.sa-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.sa-header__logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: conic-gradient(from 220deg, #e11d48, #facc15, #22d3ee, #e11d48);
  padding: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(248, 113, 113, 0.6);
}

.sa-header__logo-icon {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, #facc15 0, #991b1b 26%, #020617 75%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.sa-header__logo-rune {
  width: 60%;
  height: 60%;
  border-radius: 4px;
  border: 2px solid rgba(248, 250, 252, 0.9);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.7);
  position: relative;
}

.sa-header__logo-rune::before,
.sa-header__logo-rune::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: inherit;
  border: 1px solid rgba(248, 250, 252, 0.4);
}

.sa-header__logo-rune::after {
  inset: 32%;
  border-color: rgba(56, 189, 248, 0.85);
  transform: rotate(45deg);
}

.sa-header__title-group {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  white-space: nowrap;
}

.sa-header__site-title {
  font-family: "Uncial Antiqua", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #f9fafb;
  text-shadow: 0 0 10px rgba(248, 250, 252, 0.8);
}

.sa-header__site-subtitle {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.72);
}

.sa-header__toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.16);
  background: radial-gradient(circle at 30% 20%, rgba(248, 250, 252, 0.18) 0, rgba(15, 23, 42, 0.95) 50%, rgba(15, 23, 42, 1) 100%);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  cursor: pointer;
  color: #e5e7eb;
}

.sa-header__toggle:focus-visible {
  outline: 2px solid #22d3ee;
  outline-offset: 3px;
}

.sa-header__toggle-bar {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #fee2e2, #facc15);
  transition: transform 180ms ease, opacity 180ms ease, width 180ms ease, background 180ms ease;
}

.sa-header__toggle[aria-expanded="true"] .sa-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(42deg);
  width: 1.35rem;
}

.sa-header__toggle[aria-expanded="true"] .sa-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.sa-header__toggle[aria-expanded="true"] .sa-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-42deg);
  width: 1.35rem;
}

.sa-header__nav {
  margin-left: auto;
}

.sa-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sa-header__nav-item {
  position: relative;
}

.sa-header__nav-link {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(226, 232, 240, 0.8);
  padding: 0.35rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  position: relative;
}

.sa-header__nav-link::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ef4444, #facc15, #22d3ee);
  transform-origin: center;
  transform: scaleX(0);
  transition: transform 160ms ease-out;
}

.sa-header__nav-link:hover::before,
.sa-header__nav-link:focus-visible::before,
.sa-header__nav-item--active .sa-header__nav-link::before {
  transform: scaleX(1);
}

.sa-header__nav-link:hover,
.sa-header__nav-link:focus-visible,
.sa-header__nav-item--active .sa-header__nav-link {
  color: #f9fafb;
}

.sa-header__nav-link:focus-visible {
  outline: 2px solid #22d3ee;
  outline-offset: 4px;
}

.sa-header__nav-item--highlight .sa-header__nav-link--cta {
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, rgba(248, 250, 252, 0.24) 0, rgba(127, 29, 29, 0.9) 30%, rgba(15, 23, 42, 1) 100%);
  border: 1px solid rgba(248, 250, 252, 0.18);
  box-shadow: 0 0 18px rgba(248, 113, 113, 0.65);
}

.sa-header__nav-item--highlight .sa-header__nav-link--cta::before {
  display: none;
}

.sa-header__nav-item--highlight .sa-header__nav-link--cta:hover,
.sa-header__nav-item--highlight .sa-header__nav-link--cta:focus-visible {
  background: radial-gradient(circle at 10% 0, rgba(248, 250, 252, 0.32) 0, rgba(185, 28, 28, 0.98) 30%, rgba(15, 23, 42, 1) 100%);
  border-color: rgba(254, 249, 195, 0.9);
}

@media (max-width: 768px) {
  .sa-header__inner {
    padding-inline: 1rem;
  }

  .sa-header__title-group {
    max-width: 10.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sa-header__site-title {
    font-size: 1rem;
  }

  .sa-header__site-subtitle {
    font-size: 0.65rem;
  }

  .sa-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, #111827 0, #02010a 55%, #000 100%);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height 210ms ease-out, opacity 160ms ease-out, transform 160ms ease-out;
  }

  .sa-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 1.25rem 0.9rem;
  }

  .sa-header__nav-item {
    width: 100%;
  }

  .sa-header__nav-link,
  .sa-header__nav-item--highlight .sa-header__nav-link--cta {
    width: 100%;
    padding-block: 0.7rem;
  }

  .sa-header__nav-item--highlight .sa-header__nav-link--cta {
    justify-content: center;
  }

  .sa-header__toggle {
    display: inline-flex;
  }

  .sa-header--menu-open .sa-header__nav {
    max-height: 400px;
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sa-header,
  .sa-header * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}