/* World Design — Mega menu, mobile CTA, form extras */

/* ── Mega menu (desktop) ── */
.nav-desktop {
  position: relative;
}

.nav-item--mega {
  position: static;
  display: flex;
  align-items: center;
}

.nav-mega-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-mega-trigger::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.6;
  transition: transform 0.25s ease;
}

.nav-item--mega.is-open .nav-mega-trigger::after {
  transform: rotate(180deg);
}

.nav-mega-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: min(720px, calc(100vw - 2rem));
  padding: 1.25rem;
  background: rgba(0, 8, 18, 0.97);
  border: 1px solid rgba(0, 150, 199, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1105;
}

html[dir="rtl"] .nav-mega-panel {
  left: 50%;
  right: auto;
  transform: translateX(-50%) translateY(8px);
}

.nav-item--mega.is-open .nav-mega-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}

@media (max-width: 1200px) {
  .nav-mega-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.nav-mega-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.nav-mega-card:hover {
  background: var(--color-glass);
  border-color: rgba(0, 150, 199, 0.3);
  transform: translateY(-2px);
}

.nav-mega-card__icon {
  font-size: 1.35rem;
  line-height: 1;
}

.nav-mega-card__title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-white);
}

.nav-mega-card__desc {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.4;
}

.nav-mega-all {
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-mega-all:hover {
  color: var(--color-white);
}

[data-theme="light"] .nav-mega-panel {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .nav-mega-card__title {
  color: #0f172a;
}

/* Mobile services accordion */
.mobile-nav__group {
  margin-bottom: 0.15rem;
}

.mobile-nav__accordion {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 0.75rem;
  font-size: clamp(1.05rem, 4vw, 1.2rem);
  font-weight: 600;
  color: var(--color-muted);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  text-align: inherit;
  transition: color 0.2s ease, background 0.2s ease;
}

.mobile-nav__accordion:hover,
.mobile-nav__accordion[aria-expanded="true"] {
  color: var(--color-white);
  background: var(--color-glass);
}

.mobile-nav__chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.mobile-nav__accordion[aria-expanded="true"] .mobile-nav__chevron {
  transform: rotate(180deg);
}

.mobile-nav__sub {
  max-height: 0;
  overflow: hidden;
  padding: 0 0.5rem;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.mobile-nav__group.is-open .mobile-nav__sub {
  max-height: 480px;
  padding: 0 0.5rem 0.5rem;
}

.mobile-nav__sub a {
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.1rem;
}

/* ── Sticky mobile CTA ── */
.mobile-cta-float {
  display: none;
  position: fixed;
  z-index: 905;
  bottom: calc(5.25rem + env(safe-area-inset-bottom, 0));
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  background: var(--gradient-btn);
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 6px 28px rgba(0, 150, 199, 0.45);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    opacity 0.3s ease,
    visibility 0.3s ease;
  max-width: calc(100vw - 7rem);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
}

html[dir="ltr"] .mobile-cta-float {
  left: 1.5rem;
  right: auto;
}

html[dir="rtl"] .mobile-cta-float {
  right: 1.5rem;
  left: auto;
}

.mobile-cta-float.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-cta-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(0, 150, 199, 0.55);
}

.mobile-cta-float__icon {
  display: flex;
  width: 22px;
  height: 22px;
}

.mobile-cta-float__text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 1023px) {
  .mobile-cta-float {
    display: inline-flex;
  }

  html[dir="ltr"] #scroll-top {
    bottom: calc(9.75rem + env(safe-area-inset-bottom, 0));
  }

  html[dir="rtl"] #scroll-top {
    bottom: calc(9.75rem + env(safe-area-inset-bottom, 0));
  }

  html.nav-open .mobile-cta-float {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

@media (max-width: 380px) {
  .mobile-cta-float__text {
    display: none;
  }

  .mobile-cta-float {
    width: 52px;
    height: 52px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
}

/* Logo picture element */
.logo-picture {
  display: block;
  flex-shrink: 0;
  line-height: 0;
}

.logo-picture .logo-img {
  display: block;
}

/* Form error banner */
.form-error-banner {
  display: block;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  font-size: 0.9rem;
}

[data-theme="light"] .form-error-banner {
  color: #b91c1c;
}