/* Header styles for PLNextLevel */

.pln-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.96), rgba(5, 8, 20, 0.9));
  border-bottom: 1px solid var(--color-border-subtle);
}

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

/* Brand */
.pln-header__brand {
  display: flex;
  align-items: center;
  z-index: 99;
}

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

.pln-header__logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  background: radial-gradient(circle at 30% 20%, rgba(54, 251, 161, 0.4), transparent 55%),
              radial-gradient(circle at 80% 80%, rgba(255, 217, 94, 0.4), transparent 55%),
              var(--color-surface-alt);
  box-shadow: var(--shadow-soft);
}

.pln-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.pln-header__logo-primary {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--font-size-md);
}

.pln-header__logo-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Toggle (mobile) */
.pln-header__toggle {
  display: inline-flex;
   z-index: 99;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  padding-inline: var(--space-3);
  padding-block: var(--space-2);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background-color: rgba(15, 23, 42, 0.8);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition-base),
              background-color var(--transition-base),
              transform var(--transition-fast);
}

.pln-header__toggle:hover {
  border-color: var(--color-primary);
  background-color: rgba(15, 23, 42, 0.95);
  transform: translateY(-1px);
}

.pln-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.pln-header__toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.pln-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              width var(--transition-base);
}

.pln-header__toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Primary navigation */
.pln-header__nav {
  position: fixed;
  inset: 0 0 auto auto;
  top: 0;
  right: 0;
  width: min(280px, 80vw);
  height: 100vh;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  background: radial-gradient(circle at top left, rgba(54, 251, 161, 0.12), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 217, 94, 0.1), transparent 55%),
              var(--color-surface);
  border-left: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-elevated);
  transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
}

.pln-header__nav-list {
  padding: var(--space-8) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pln-header__nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-2);
  padding-inline: var(--space-3);
  padding-block: var(--space-2);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
}

.pln-header__nav-link:hover {
  background-color: rgba(15, 23, 42, 0.9);
  color: #5cffb8;
  transform: translateY(-1px);
}

.pln-header__nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.pln-header__nav-link--cta {
  background: linear-gradient(135deg, var(--color-primary), #5cffb8);
  color: #020617;
  box-shadow: 0 10px 25px rgba(8, 255, 174, 0.35);
}

.pln-header__nav-link--cta:hover {
  color: #020617;
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(8, 255, 174, 0.45);
}

.pln-header__nav-item--cta {
  margin-top: var(--space-2);
}

/* Backdrop for mobile menu */
.pln-header__nav-backdrop {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(15, 23, 42, 0.96), rgba(5, 8, 20, 0.98));
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 30;
}

/* Open state */
.pln-header--nav-open .pln-header__nav {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
      z-index: 99;
    top: 60px;
}

.pln-header--nav-open .pln-header__nav-backdrop {
  opacity: 1;
  visibility: visible;
}

.pln-header--nav-open .pln-header__toggle-bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.pln-header--nav-open .pln-header__toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.pln-header--nav-open .pln-header__toggle-bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Desktop layout */
@media (min-width: 960px) {
  .pln-header__inner {
    padding-block: var(--space-4);
  }

  .pln-header__toggle {
    display: none;
  }

  .pln-header__nav {
    position: static;
    width: auto;
    height: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border-left: none;
    box-shadow: none;
  }

  .pln-header__nav-list {
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }

  .pln-header__nav-link {
    padding-inline: var(--space-3);
    padding-block: var(--space-2);
    font-size: var(--font-size-sm);
  }

  .pln-header__nav-backdrop {
    display: none;
  }
}

/* Medium screens: slightly tighter spacing */
@media (max-width: 959.98px) {
  .pln-header__nav-list {
    padding-top: var(--space-8);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pln-header,
  .pln-header__nav,
  .pln-header__nav-backdrop,
  .pln-header__toggle-bar {
    transition: none !important;
  }
}