.wmp-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(4, 7, 18, 0.95), rgba(4, 7, 18, 0.88));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.wmp-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.wmp-header__brand {
  display: flex;
  align-items: center;
}

.wmp-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.wmp-header__logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle at 30% 0, rgba(255, 255, 255, 0.2), transparent 55%),
              linear-gradient(135deg, var(--color-accent-orange), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
}

.wmp-header__logo-icon {
  color: #05040a;
  font-size: 1.2rem;
}

.wmp-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.wmp-header__site-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.wmp-header__site-tagline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Navigation */

.wmp-header__nav {
  display: flex;
}

.wmp-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.wmp-header__nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.wmp-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent-yellow), var(--color-accent-orange));
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.wmp-header__nav-link:hover,
.wmp-header__nav-link:focus-visible {
  color: #ffffff;
}

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

.wmp-header__nav-item--highlight .wmp-header__nav-link {
  color: var(--color-accent-yellow);
}

.wmp-header__nav-item--highlight .wmp-header__nav-link::after {
  background: linear-gradient(90deg, var(--color-accent-yellow), var(--color-primary));
}

/* Mobile toggle */

.wmp-header__nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 36px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(4, 7, 18, 0.95);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.wmp-header__nav-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--gray-100);
  transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-base);
}

.wmp-header__nav-toggle-line + .wmp-header__nav-toggle-line {
  margin-top: 4px;
}

.wmp-header__nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent-yellow);
  outline-offset: 3px;
}

/* Mobile state classes controlled by JS */

.wmp-header--menu-open .wmp-header__nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.wmp-header--menu-open .wmp-header__nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.wmp-header--menu-open .wmp-header__nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 768px) {
  .wmp-header__nav-toggle {
    display: inline-flex;
  }

  .wmp-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at 0 0, rgba(31, 182, 255, 0.18), transparent 55%),
                radial-gradient(circle at 100% 0, rgba(255, 122, 26, 0.18), transparent 55%),
                rgba(4, 7, 18, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

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

  .wmp-header--menu-open .wmp-header__nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }
}

@media (max-width: 480px) {
  .wmp-header__site-title {
    font-size: 0.8rem;
  }

  .wmp-header__site-tagline {
    display: none;
  }
}