/* VELKARYN Header Styles */

.vk-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.96), rgba(5, 8, 20, 0.88));
  border-bottom: 1px solid var(--color-border-subtle);
}

.vk-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
  position: relative;
}

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

.vk-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.vk-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle at 30% 0, #ffca5c 0, #ff4e6a 30%, #7c5cff 65%, #050814 100%);
  box-shadow: 0 0 22px rgba(124, 92, 255, 0.7);
}

.vk-header__logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

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

.vk-header__nav-item .nav-link {
  position: relative;
}

.vk-header__actions {
  display: flex;
  align-items: center;
  margin-left: var(--space-4);
}

.vk-header__cta {
  font-size: var(--font-size-xs);
  white-space: nowrap;
}

/* Mobile toggle */
.vk-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background: rgba(7, 11, 30, 0.9);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  padding: 0;
}

.vk-header__toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
}

.vk-header__toggle.is-open .vk-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.vk-header__toggle.is-open .vk-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.vk-header__toggle.is-open .vk-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive layout */
@media (max-width: 960px) {
  .vk-header__inner {
    padding-block: var(--space-2);
  }

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

  .vk-header__nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 1px);
    margin-left: 0;
    z-index: 45;
    max-height: 0;
    overflow: hidden;
    background: radial-gradient(circle at top, rgba(28, 35, 90, 0.98), rgba(5, 8, 20, 0.98));
    border-bottom: 1px solid var(--color-border-subtle);
    transition: max-height var(--transition-normal);
  }

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

  .vk-header__nav.is-open {
    max-height: 320px;
  }

  .vk-header__actions {
    display: none;
  }
}

@media (max-width: 600px) {
  .vk-header__logo-text {
    font-size: 0.95rem;
  }
}

/* Helper class to indicate current page nav item */
.nav-link[aria-current="page"] {
  color: #ffffff;
}

.nav-link[aria-current="page"]::after {
  width: 100%;
}