/* PowerAreo Header Styles */

.pa-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(90deg, #05060a 0%, #050814 40%, #05060a 100%);
  border-bottom: 1px solid rgba(135, 206, 235, 0.22);
  backdrop-filter: blur(18px);
}

.pa-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pa-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #f9fafb;
}

.pa-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #5bffb8 0, #22c55e 35%, #0ea5e9 75%, #0b1120 100%);
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.2), 0 0 22px rgba(56, 189, 248, 0.6);
}

.pa-header__logo-text {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.pa-header__nav {
  display: flex;
}

.pa-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pa-header__nav-link {
  position: relative;
  text-decoration: none;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #e5e7eb;
  padding: 0.25rem 0;
}

.pa-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #22c55e, #0ea5e9);
  transition: width 0.18s ease-out;
}

.pa-header__nav-link:hover::after,
.pa-header__nav-link:focus-visible::after {
  width: 100%;
}

.pa-header__nav-link:focus-visible,
.pa-header__toggle:focus-visible {
  outline: 2px solid #22c55e;
  outline-offset: 3px;
}

.pa-header__nav-item--cta .pa-header__nav-link--cta {
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at 0 0, rgba(45, 212, 191, 0.35), transparent 55%),
              linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.75));
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.7);
}

.pa-header__nav-item--cta .pa-header__nav-link--cta:hover {
  border-color: rgba(45, 212, 191, 0.9);
  box-shadow: 0 14px 38px rgba(8, 47, 73, 0.9);
}

.pa-header__toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.28), transparent 55%),
              rgba(15, 23, 42, 0.9);
  padding: 0.4rem;
  cursor: pointer;
  
}

.pa-header__toggle-bar {
  display: block;
  height: 2px;
  margin: 2px 0;
  width: 100%;
  border-radius: 999px;
  background: #e5e7eb;
  transition: transform 0.16s ease-out, opacity 0.16s ease-out, translate 0.16s ease-out;
}

.pa-header__toggle[aria-expanded="true"] .pa-header__toggle-bar:nth-child(1) {
  translate: 0 6px;
  transform: rotate(45deg);
}

.pa-header__toggle[aria-expanded="true"] .pa-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.pa-header__toggle[aria-expanded="true"] .pa-header__toggle-bar:nth-child(3) {
  translate: 0 -6px;
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .pa-header__inner {
    padding-inline: 1rem;
  }

  .pa-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  .pa-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(3, 7, 18, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
    transform-origin: top;
    transform: scaleY(1);
  }

  .pa-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem 1rem 1.25rem;
  }

  .pa-header__nav-link {
    width: 100%;
    padding-block: 0.35rem;
    font-size: 0.85rem;
  }

  .pa-header__nav-item--cta .pa-header__nav-link--cta {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .pa-header--js-enabled .pa-header__nav {
    max-height: 0;
    overflow: hidden;
    transform: scaleY(0.9);
    opacity: 0;
    transition: max-height 0.2s ease-out, opacity 0.18s ease-out, transform 0.18s ease-out;
  }

  .pa-header--js-enabled .pa-header__nav--open {
    max-height: 320px;
    transform: scaleY(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pa-header__nav-link::after,
  .pa-header__toggle-bar,
  .pa-header--js-enabled .pa-header__nav,
  .pa-header--js-enabled .pa-header__nav--open {
    transition: none !important;
  }
}