/* Header styles for NAXSOL ENTERPRISES LTD */

.ef-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Announcement ribbon */

.ef-header__announcement {
  background: linear-gradient(90deg, rgba(245, 196, 102, 0.12), rgba(15, 118, 110, 0.24));
  border-bottom: 1px solid rgba(245, 196, 102, 0.3);
}

.ef-header__announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}

.ef-header__announcement-label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-strong);
}

.ef-header__announcement-text {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.ef-header__announcement-link {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(251, 191, 36, 0.8);
  background: radial-gradient(circle at top left, rgba(248, 250, 252, 0.12), rgba(15, 23, 42, 0.95));
  color: var(--color-primary-strong);
}

.ef-header__announcement-link:hover {
  background: radial-gradient(circle at top left, rgba(248, 250, 252, 0.18), rgba(15, 23, 42, 1));
}

@media (max-width: 640px) {
  .ef-header__announcement-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Main nav */

.ef-header__nav-wrapper {
  margin-top: 0.35rem;
  margin-bottom: 0.75rem;
  border-radius: 999px;
  background: var(--color-bg-glass);
}

.ef-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

/* Brand */

.ef-header__brand {
  flex: 0 0 auto;
}

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

.ef-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #fef9c3, var(--color-primary));
  color: #050609;
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: var(--shadow-soft);
}

.ef-header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ef-header__logo-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.ef-header__logo-subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation list */

.ef-header__nav {
  flex: 1 1 auto;
}

.ef-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.ef-header__nav-item {
  position: relative;
}

.ef-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.ef-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--color-primary-strong), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.ef-header__nav-link:hover,
.ef-header__nav-link:focus-visible {
  color: var(--color-text-main);
}

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

.ef-header__nav-item--cta {
  margin-left: var(--space-2);
}

/* Submenu */

.ef-header__nav-item--has-children {
  position: relative;
}

.ef-header__nav-link--parent {
  cursor: pointer;
  background: none;
  border: none;
}

.ef-header__nav-caret {
  font-size: 0.7rem;
  color: var(--gray-400);
}

.ef-header__submenu {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.8rem);
  transform: translateX(-50%);
  min-width: 220px;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(248, 250, 252, 0.08), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform-origin: top center;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  z-index: 20;
}

.ef-header__submenu-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.ef-header__submenu-link:hover,
.ef-header__submenu-link:focus-visible {
  background: rgba(15, 23, 42, 0.95);
  color: var(--color-primary-strong);
}

/* Submenu hover on desktop */

@media (min-width: 960px) {
  .ef-header__nav-item--has-children:hover > .ef-header__submenu,
  .ef-header__nav-item--has-children:focus-within > .ef-header__submenu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
  }
}

/* CTA group right side */

.ef-header__cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
}

.ef-header__cta--outline {
  border-color: rgba(148, 163, 184, 0.8);
}

/* Mobile toggle */

.ef-header__toggle {
  display: none;
  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(248, 250, 252, 0.08), rgba(15, 23, 42, 0.98));
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.22rem;
}

.ef-header__toggle-bar {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text-soft);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

/* Mobile layout */

@media (max-width: 959px) {
  .ef-header__inner {
    padding-top: 0.55rem;
    padding-bottom: 0.55rem;
  }

  .ef-header__nav {
    position: absolute;
    inset: calc(100% + 0.5rem) var(--container-padding-x) auto;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at top left, #000, rgba(15, 23, 42, 0.98));
    border: 1px solid rgba(148, 163, 184, 0.8);
    box-shadow: var(--shadow-elevated);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--transition-base), transform var(--transition-base), max-height var(--transition-slow);
  }

  .ef-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
  }

  .ef-header__nav-item--cta {
    width: 100%;
  }

  .ef-header__nav-cta {
    width: 100%;
    justify-content: center;
  }

  .ef-header__cta-group {
    display: none;
  }

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

  .ef-header__nav[data-menu-open="true"] {
    max-height: 480px;
    opacity: 1;
    transform: translateY(0);
  }

  /* Submenu in mobile becomes inline list */
  .ef-header__submenu {
    position: static;
    transform: none;
    margin-top: 0.25rem;
    box-shadow: none;
    border-radius: var(--radius-md);
    opacity: 1;
    visibility: visible;
    border: 1px solid rgba(55, 65, 81, 0.9);
  }

  .ef-header__nav-item--has-children[aria-expanded="false"] .ef-header__submenu,
  .ef-header__nav-item--has-children [data-submenu-collapsed="true"] {
    display: none;
  }
}

/* Compact header on scroll (JS toggles .ef-header--scrolled on wrapper) */

[data-header].ef-header--scrolled {
  transform: translateY(-4px);
  box-shadow: var(--shadow-header);
}

[data-header].ef-header--scrolled .ef-header__nav-wrapper {
  background: rgba(9, 12, 20, 0.9);
}