/* ==========================================================================
   HEADER & MEGA-MENU LAYOUT (WebFX Style)
   5-Column Mega Dropdown (4 Category Cards + 1 Featured Promo Card)
   Designed for SEO With Ibrar Ahmad
   ========================================================================== */

/* Header Root & Bar */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 74px;
  background: rgba(7, 9, 14, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 10000;
  transition: all 0.28s ease;
}

.site-header.scrolled {
  background: rgba(5, 7, 11, 0.96);
  border-bottom-color: rgba(163, 234, 67, 0.28);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.7), 0 0 20px rgba(163, 234, 67, 0.06);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-logo img {
  height: 40px;
  width: auto;
  max-width: 185px;
  object-fit: contain;
  display: block;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 24px 0;
  position: relative;
  text-decoration: none;
  transition: color 0.2s ease;
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active,
.nav-item-dropdown:hover > .nav-link {
  color: #A3EA43;
}

/* Chevron indicator */
.nav-chevron {
  width: 11px;
  height: 11px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.2s ease;
  stroke: currentColor;
}

.nav-item-dropdown:hover .nav-chevron,
.nav-item-dropdown.is-open .nav-chevron {
  transform: rotate(180deg);
  stroke: #A3EA43;
}

/* Action Area (Right) */
.header-action {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-btn {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 11px 22px;
  border-radius: 6px;
  background: #A3EA43;
  color: #080808 !important;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(163, 234, 67, 0.35);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.header-btn:hover {
  background: #B8FA5C;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(163, 234, 67, 0.5);
}

/* ==========================================================================
   MEGA MENU WRAPPER & 5-COLUMN GRID (WebFX Layout)
   ========================================================================== */
.nav-item-dropdown {
  position: static; /* Allows mega menu to span full header width */
}

.mega-menu-wrapper {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  background: rgba(8, 10, 16, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 2px solid rgba(163, 234, 67, 0.45);
  box-shadow: 0 40px 80px -10px rgba(0, 0, 0, 0.95), 0 0 40px rgba(163, 234, 67, 0.08);
  padding: 24px 0 28px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 999;
}

.nav-item-dropdown:hover .mega-menu-wrapper,
.nav-item-dropdown.is-open .mega-menu-wrapper {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* 5-Column Grid */
.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 1.25fr;
  gap: 16px;
  align-items: stretch;
}

/* Base Card Style (Columns 1 to 4) */
.mega-card {
  background: rgba(15, 18, 28, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 22px 20px 20px 20px;
  display: flex;
  flex-direction: column;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}

.mega-card:hover {
  background: rgba(20, 25, 38, 0.95);
  border-color: rgba(163, 234, 67, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px rgba(0, 0, 0, 0.6), 0 0 20px rgba(163, 234, 67, 0.15);
}

/* Card Header: Title + Icon Badge */
.mega-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mega-card-title {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0;
}

/* Icon Badge (Top Right of Card) */
.mega-card-badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.mega-card:hover .mega-card-badge {
  transform: scale(1.08);
}

.badge-cyan {
  background: rgba(56, 189, 248, 0.14);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.badge-mint {
  background: rgba(45, 212, 191, 0.14);
  color: #2DD4BF;
  border: 1px solid rgba(45, 212, 191, 0.25);
}

.badge-lime {
  background: rgba(163, 234, 67, 0.14);
  color: #A3EA43;
  border: 1px solid rgba(163, 234, 67, 0.25);
}

.badge-gold {
  background: rgba(250, 204, 21, 0.14);
  color: #FACC15;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Links List */
.mega-links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mega-link {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 13.5px;
  color: #94A3B8;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  line-height: 1.4;
  padding: 3px 0;
  transition: all 0.18s ease;
  position: relative;
}

.mega-link:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

.mega-link:hover .link-text {
  color: #A3EA43;
}

.mega-link.is-active .link-text {
  color: #A3EA43;
  font-weight: 700;
}

.mega-link-badge {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 9.5px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(163, 234, 67, 0.14);
  color: #A3EA43;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(163, 234, 67, 0.24);
}

/* ==========================================================================
   FEATURED CASE STUDY CARD (Column 5 - WebFX Target Style)
   ========================================================================== */
.mega-card-promo {
  background: linear-gradient(155deg, rgba(20, 26, 38, 0.95) 0%, rgba(11, 15, 23, 0.98) 100%);
  border: 1.5px solid rgba(163, 234, 67, 0.45);
  border-radius: 14px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: space-between;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(163, 234, 67, 0.12);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.mega-card-promo::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(163, 234, 67, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.mega-card-promo:hover {
  border-color: #A3EA43;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55), 0 0 26px rgba(163, 234, 67, 0.25);
}

.mega-promo-stat {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: #A3EA43;
  letter-spacing: -0.04em;
  margin-bottom: 6px;
  text-shadow: 0 0 22px rgba(163, 234, 67, 0.35);
  font-variant-numeric: tabular-nums;
}

.mega-promo-title {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 13.5px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.35;
  margin-bottom: 14px;
  max-width: 190px;
}

/* Target Graphic (Exact match to reference illustration) */
.mega-promo-graphic {
  width: 100px;
  height: 100px;
  margin: 6px auto 16px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.mega-card-promo:hover .mega-promo-graphic {
  transform: scale(1.05);
}

/* Promo CTA Button */
.mega-promo-btn {
  width: 100%;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 12px 18px;
  border-radius: 8px;
  background: #A3EA43;
  color: #080808 !important;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 16px rgba(163, 234, 67, 0.35);
  transition: all 0.2s ease;
  cursor: pointer;
}

.mega-promo-btn:hover {
  background: #B6F858;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(163, 234, 67, 0.5);
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE DRAWER
   ========================================================================== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: all 0.22s ease;
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  background: rgba(8, 10, 15, 0.98);
  backdrop-filter: blur(16px);
  z-index: 100000;
  padding: 24px 20px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.close-drawer-btn {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 24px;
  cursor: pointer;
  padding: 6px;
  line-height: 1;
}

.mobile-nav-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s ease, color 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(163, 234, 67, 0.12);
  color: #A3EA43;
}

.mobile-accordion-toggle {
  cursor: pointer;
}

.mobile-sub-menu {
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 4px;
}

.mobile-sub-link {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 13.5px;
  color: #94A3B8;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  display: block;
}

.mobile-sub-link:hover,
.mobile-sub-link.active {
  color: #A3EA43;
  background: rgba(163, 234, 67, 0.08);
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
  .nav-menu {
    gap: 20px;
  }
  .mega-menu-grid {
    grid-template-columns: repeat(2, 1fr) 1.2fr;
    gap: 14px;
  }
  .mega-card-promo {
    grid-column: span 1;
  }
}

@media (max-width: 1024px) {
  .site-header nav {
    display: none;
  }
  .mega-menu-wrapper {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

/* ==========================================================================
   ACCESSIBILITY & FOCUS-VISIBLE ENHANCEMENTS (WCAG AA Compliance)
   ========================================================================== */
.nav-link:focus-visible,
.header-btn:focus-visible,
.mega-link:focus-visible,
.mega-promo-btn:focus-visible,
.mobile-toggle:focus-visible,
.close-drawer-btn:focus-visible,
.mobile-nav-link:focus-visible {
  outline: 2px solid #A3EA43 !important;
  outline-offset: 3px !important;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .mega-menu-wrapper {
    transition: none !important;
    transform: none !important;
  }
}