/* ── Header / Navigation ────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.site-header.scrolled {
  background: rgba(8,8,15,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
  transition: transform var(--t-fast);
}
.logo:hover {
  transform: translateY(-1px);
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: url('/images/logo-192.png') center / contain no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(168,85,247,0.4);
  flex-shrink: 0;
  transition: transform var(--t-spring), box-shadow var(--t-fast);
}
.logo-icon svg {
  display: none;
}
.logo:hover .logo-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 6px 22px rgba(236,72,153,0.5);
}
.logo-text {
  font-family: var(--ff-heading);
  font-weight: 800;
  font-size: var(--fz-xl);
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.logo-text .logo-accent {
  background: none;
  -webkit-text-fill-color: var(--txt-primary);
  color: var(--txt-primary);
  font-weight: 500;
}

/* Compact legal navigation used on game pages without the full site footer. */
.legal-strip {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-4);
  border-top: 1px solid var(--clr-border);
  color: var(--txt-muted);
  font-size: var(--fz-sm);
  text-align: center;
}
.legal-strip a {
  color: var(--txt-secondary);
  text-decoration: none;
  transition: color var(--t-fast);
}
.legal-strip a:hover,
.legal-strip a:focus-visible {
  color: var(--purple-l);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav-link {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: var(--fz-sm);
  color: var(--txt-secondary);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--txt-primary);
  background: rgba(255,255,255,0.06);
}
.nav-link.active { color: var(--purple-l); }

/* Right controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Language switcher */
.lang-switcher {
  position: relative;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--txt-secondary);
  font-family: var(--ff-heading);
  font-size: var(--fz-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-base);
  backdrop-filter: blur(10px);
}
.lang-btn:hover {
  border-color: var(--purple);
  color: var(--txt-primary);
}
.lang-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(13,13,26,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-2);
  min-width: 180px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  display: none;
  z-index: 100;
  animation: fadeInUp 0.2s ease;
}
.lang-dropdown.open { display: block; }

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--t-fast);
  font-size: var(--fz-sm);
  color: var(--txt-secondary);
}
.lang-option:hover { background: rgba(255,255,255,0.06); color: var(--txt-primary); }
.lang-option.active { color: var(--purple-l); }
.lang-option .flag { font-size: 1.1rem; }
.lang-option .lang-name { font-family: var(--ff-heading); font-weight: 600; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.hamburger:hover { border-color: var(--purple); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--txt-primary);
  border-radius: 1px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8,8,15,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--t-slow);
}
.mobile-nav.open { transform: translateX(0); }

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-lg);
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: var(--fz-lg);
  color: var(--txt-secondary);
  transition: all var(--t-base);
  border: 1px solid transparent;
}
.mobile-nav-link:hover, .mobile-nav-link.active {
  background: rgba(168,85,247,0.1);
  border-color: rgba(168,85,247,0.2);
  color: var(--txt-primary);
}
.mobile-nav-link .game-icon { font-size: 1.5rem; }

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 480px) {
  .logo-text { display: none; }
  .header-inner { padding-inline: var(--sp-4); }
}