/* Header styles for Dravonya */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 8, 21, 0.97), rgba(5, 8, 21, 0.86));
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

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

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.site-header__logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #a855f7, transparent 55%),
    radial-gradient(circle at 80% 100%, #22c55e, transparent 55%),
    #020617;
  box-shadow: 0 0 18px rgba(124, 58, 237, 0.65);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.site-header__logo-orb {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #f9fafb, #a855f7 65%);
  box-shadow: 0 0 12px rgba(250, 250, 250, 0.8);
}

.site-header__title-group {
  display: flex;
  flex-direction: column;
}

.site-header__title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header__subtitle {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-soft);
}

/* Navigation */

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

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

.site-header__nav-item--accent .site-header__nav-link {
  position: relative;
}

.site-header__nav-item--accent .site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #7c3aed, #a855f7, #22c55e);
  border-radius: 999px;
}

.site-header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.35rem 0;
  position: relative;
}

.site-header__nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.3rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.1), rgba(168, 85, 247, 0.8));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

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

.site-header__nav-link--accent {
  color: var(--color-primary-strong);
}

.site-header__cta-wrap {
  margin-left: var(--space-4);
}

/* Mobile menu toggle */

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.2), transparent 55%),
    rgba(15, 23, 42, 0.9);
  color: var(--gray-50);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-200);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 2px;
}

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

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

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

/* Responsive layout */

@media (max-width: 960px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at 0 0, rgba(124, 58, 237, 0.22), transparent 55%),
      radial-gradient(circle at 100% 100%, rgba(34, 197, 94, 0.16), transparent 55%),
      rgba(5, 8, 21, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
    transform-origin: top;
    transform: scaleY(1);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 200ms ease-out, opacity 200ms ease-out;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-header__nav--open {
    max-height: 480px;
    opacity: 1;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--container-padding-x) var(--space-2);
    gap: var(--space-2);
  }

  .site-header__nav-link {
    display: block;
    width: 100%;
    padding: 0.45rem 0;
  }

  .site-header__nav-link::before {
    bottom: 0;
    height: 1px;
  }

  .site-header__cta-wrap {
    padding: 0 var(--container-padding-x) var(--space-4);
    margin-left: 0;
  }

  .site-header__cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .site-header__title {
    font-size: var(--font-size-lg);
  }

  .site-header__subtitle {
    display: none;
  }
}