/**
 * Modern Header Styles
 * Custom implementation without Bootstrap dependency
 * Uses typography system and color variables
 */

:root {
  --header-bg: #ffffff;
  --header-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --header-height: 80px;
  --header-height-mobile: 70px;
  --nav-transition: 0.3s ease;
}

/* ===== Site Header ===== */
.site-header {
  background: var(--header-bg);
  box-shadow: var(--header-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

/* Header container */
.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .header-inner {
    height: var(--header-height-mobile);
    padding: 0 16px;
  }
}

/* ===== Logo/Brand ===== */
.nav-brand {
  min-width: 150px;
  height: 65px;
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 1001;
}

.nav-brand img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform var(--nav-transition);
}

.nav-brand:hover img {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .nav-brand img {
    height: 55px;
  }
}

/* ===== Navigation Menu ===== */
.site-nav {
  display: flex !important;
  align-items: center;
  gap: 0;
  flex: 1;
  margin: 0 40px;
  visibility: visible !important;
}

.nav-menu,
.nav-menu ul {
  list-style: none !important;
  display: flex !important;
  gap: 0;
  margin: 0 !important;
  padding: 0 !important;
  align-items: center;
  flex-wrap: nowrap;
  visibility: visible !important;
}

.nav-menu > li,
.nav-menu li {
  margin: 0 !important;
  padding: 0 !important;
  display: list-item !important;
  list-style: none !important;
  visibility: visible !important;
}

.nav-menu a,
.nav-menu li a {
  display: block !important;
  padding: 12px 20px;
  font-family: var(--font-heading-ar);
  font-size: 16px;
  font-weight: var(--fw-semibold);
  color: #333333;
  text-decoration: none !important;
  transition: all var(--nav-transition);
  position: relative;
  line-height: 1.5;
  visibility: visible !important;
  opacity: 1 !important;
}

.nav-menu a:hover,
.nav-menu a.active,
.nav-menu li a:hover,
.nav-menu li a.active,
.nav-menu a.current-menu-item,
.nav-menu li a.current-menu-item {
  color: var(--hero-primary);
  font-weight: var(--fw-bold);
}

/* Underline effect on hover & active */
.nav-menu a::after,
.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 3px;
  background: var(--hero-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--nav-transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after,
.nav-menu li a:hover::after,
.nav-menu li a.active::after,
.nav-menu a.current-menu-item::after,
.nav-menu li a.current-menu-item::after {
  transform: scaleX(1);
}

/* Submenu styling */
.nav-menu .sub-menu,
.nav-menu li ul {
  list-style: none !important;
  padding: 12px 0 !important;
  margin: 0 !important;
  min-width: 220px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  position: absolute;
  top: 100%;
  left: 0;
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(-10px);
  transition: all var(--nav-transition);
  pointer-events: none;
}

.nav-menu li:hover .sub-menu,
.nav-menu li:hover ul {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-menu .sub-menu a,
.nav-menu li ul a {
  padding: 10px 20px;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: all var(--nav-transition);
  visibility: visible !important;
  opacity: 1 !important;
}

.nav-menu .sub-menu a:hover,
.nav-menu li ul a:hover {
  border-left-color: var(--hero-primary);
  padding-left: 24px;
}

/* ===== CTA Button ===== */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: var(--hero-primary);
  color: #ffffff;
  text-decoration: none;
  border-radius: 50px;
  font-family: var(--font-heading-en);
  font-size: 14px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  transition: all var(--nav-transition);
  border: 2px solid var(--hero-primary);
  cursor: pointer;
}

.nav-cta:hover {
  background: transparent;
  color: var(--hero-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.nav-cta i {
  font-size: 16px;
}

@media (max-width: 992px) {
  .nav-cta {
    display: none !important;
  }
}

/* ===== Mobile Menu Toggle ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1002;
}

.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: #333333;
  border-radius: 2px;
  transition: all var(--nav-transition);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(9px, 9px);
  background: var(--hero-primary);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
  background: var(--hero-primary);
}

/* ===== Mobile Navigation ===== */
@media (max-width: 992px) {
  .site-nav {
    position: fixed;
    top: var(--header-height-mobile);
    left: -100%;
    flex-direction: column;
    width: 100%;
    height: calc(100vh - var(--header-height-mobile));
    background: #ffffff;
    margin: 0;
    padding: 20px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    overflow-y: auto;
    transition: left var(--nav-transition);
    z-index: 999;
  }

  .site-nav.active {
    left: 0;
  }

  .nav-menu {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .nav-menu > li {
    width: 100%;
  }

  .nav-menu a {
    padding: 16px 20px;
    border-bottom: 1px solid #f0f0f0;
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-menu a.active,
  .nav-menu a.current-menu-item {
    background: #f5f5f5;
    border-left: 4px solid var(--hero-primary);
    padding-left: 16px;
    color: var(--hero-primary);
    font-weight: var(--fw-bold);
  }

  /* Submenu on mobile */
  .nav-menu .sub-menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    box-shadow: none;
    background: #f9f9f9;
    border-radius: 0;
    transform: none;
    transition: all var(--nav-transition);
  }

  .nav-menu li.active .sub-menu {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
  }

  .nav-menu .sub-menu a {
    padding: 12px 20px 12px 40px;
    border-left: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    align-self: center;
    margin-top: 20px;
    width: 90%;
    justify-content: center;
    display: none !important;
  }
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
  .site-nav {
    margin: 0;
    gap: 0;
  }

  .nav-menu a {
    padding: 14px 16px;
    font-size: 15px;
  }

  .nav-cta {
    padding: 10px 24px;
    font-size: 13px;
    display: none !important;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  .nav-brand img,
  .nav-menu a,
  .nav-menu .sub-menu,
  .nav-toggle span,
  .nav-cta,
  .site-nav {
    transition: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  .nav-menu a {
    font-weight: var(--fw-bold);
  }

  .nav-menu a::after {
    height: 4px;
  }

  .nav-cta {
    border-width: 2px;
  }
}

/* ===== Print Styles ===== */
@media print {
  .site-header {
    position: static;
    box-shadow: none;
    border-bottom: 1px solid #cccccc;
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }
}