/* Header styles for UrbanPLClub */

.upc-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.22) 0, transparent 45%),
              radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.25) 0, transparent 55%),
              linear-gradient(to bottom, rgba(5, 7, 19, 0.96), rgba(5, 7, 19, 0.92));
  border-bottom: 1px solid rgba(148, 163, 253, 0.28);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.65);
}

.upc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 0.9rem;
}

/* Brand */
.upc-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.upc-header__logo-mark {
  position: relative;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, rgba(96, 165, 250, 0.6) 0, transparent 45%),
              radial-gradient(circle at 70% 80%, rgba(168, 85, 247, 0.7) 0, transparent 55%),
              #020617;
  box-shadow: var(--shadow-glow-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.upc-header__logo-orbit {
  position: absolute;
  width: 150%;
  height: 150%;
  border-radius: 999px;
  border: 1px solid rgba(191, 219, 254, 0.4);
  box-shadow: inset 0 0 18px rgba(15, 23, 42, 0.95);
}

.upc-header__logo-core {
  position: relative;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 0, #e0f2fe 0, #3b82f6 55%, #0f172a 100%);
}

.upc-header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.upc-header__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.upc-header__brand-tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-soft);
}

/* Navigation */
.upc-header__nav {
  display: flex;
}

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

.upc-header__nav-item--highlight {
  margin-left: var(--space-2);
}

.upc-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.upc-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-purple));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

.upc-header__nav-link:hover,
.upc-header__nav-link:focus-visible {
  color: #e5edff;
}

.upc-header__nav-link:hover::after,
.upc-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

/* CTA link */
.upc-header__nav-link--cta {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(168, 85, 247, 0.2));
  border: 1px solid rgba(129, 140, 248, 0.7);
  box-shadow: var(--shadow-sm);
  color: #e5edff;
}

.upc-header__nav-link--cta::after {
  display: none;
}

.upc-header__nav-link--cta:hover,
.upc-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-purple));
  color: #020617;
  box-shadow: var(--shadow-glow-primary);
}

/* Mobile toggle */
.upc-header__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 253, 0.55);
  background: radial-gradient(circle at 0 0, rgba(59, 130, 246, 0.2) 0, transparent 45%);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
}

.upc-header__menu-toggle:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.upc-header__menu-toggle-box {
  position: relative;
  width: 1.25rem;
  height: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.upc-header__menu-toggle-line {
  position: absolute;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: #e5edff;
  transition: transform var(--transition-normal), opacity var(--transition-fast), top var(--transition-normal), bottom var(--transition-normal);
}

.upc-header__menu-toggle-line--top {
  top: 0;
}

.upc-header__menu-toggle-line--middle {
  top: 50%;
  transform: translateY(-50%);
}

.upc-header__menu-toggle-line--bottom {
  bottom: 0;
}

.upc-header__menu-toggle-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

/* Open state */
.upc-header--menu-open .upc-header__menu-toggle-line--top {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.upc-header--menu-open .upc-header__menu-toggle-line--middle {
  opacity: 0;
}

.upc-header--menu-open .upc-header__menu-toggle-line--bottom {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 900px) {
  .upc-header__inner {
    padding-block: 0.7rem;
  }

  .upc-header__menu-toggle {
    display: inline-flex;
  }

  .upc-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 3.25rem;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96) 0, rgba(5, 7, 19, 0.98) 55%);
    border-bottom: 1px solid rgba(148, 163, 253, 0.25);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

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

  .upc-header__nav-item--highlight {
    width: 100%;
    margin-left: 0;
  }

  .upc-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

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

/* Medium screens adjustments */
@media (min-width: 901px) and (max-width: 1200px) {
  .upc-header__nav-list {
    gap: var(--space-3);
  }

  .upc-header__brand-tagline {
    display: none;
  }
}

/* Fallback when JS disabled: keep nav visible on mobile */
.no-js .upc-header__nav {
  transform: none !important;
  opacity: 1 !important;
  visibility: visible !important;
  position: static;
  border-bottom: none;
}

.no-js .upc-header__menu-toggle {
  display: none !important;
}