/**
 * Header Styles
 *
 * Fixed header with desktop navigation and Bootstrap 5 Offcanvas mobile menu.
 *
 * @package GFX_Theme
 * @since 1.0.0
 */

/* ========================================
   HEADER CONTAINER
   ======================================== */

.gfx-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  background: var(--gfx-white);
  box-shadow: var(--gfx-shadow-sm);
  transition: background-color var(--gfx-transition), box-shadow var(--gfx-transition);
}

.gfx-header--transparent {
  background: transparent;
  box-shadow: none;
}

.gfx-header--scrolled {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.15);
}

/* Header spacer to prevent content jump */
.gfx-header-spacer {
  height: 72px;
}

/* ========================================
   NAV WRAPPER
   ======================================== */

.gfx-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0;
}

/* ========================================
   LOGO
   ======================================== */

.gfx-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.gfx-logo img {
  height: 40px;
  width: auto;
}

.gfx-logo-text {
  font-family: var(--gfx-font-heading);
  font-size: var(--gfx-text-xl);
  font-weight: var(--gfx-font-bold);
  color: var(--gfx-primary-dark);
  margin-left: var(--gfx-space-2);
}

.gfx-header--transparent .gfx-logo-text {
  color: var(--gfx-white);
}

/* ========================================
   DESKTOP NAVIGATION
   ======================================== */

.gfx-nav {
  display: flex;
  align-items: center;
  gap: var(--gfx-space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gfx-nav-link {
  font-family: var(--gfx-font-body);
  font-size: var(--gfx-text-base);
  font-weight: var(--gfx-font-medium);
  color: var(--gfx-dark);
  text-decoration: none;
  padding: var(--gfx-space-2) 0;
  position: relative;
  transition: color var(--gfx-transition);
  background: transparent !important;
}

.gfx-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gfx-primary);
  transition: width var(--gfx-transition);
}

.gfx-nav-link:hover,
.gfx-nav-link:focus,
.gfx-nav-link--active {
  color: var(--gfx-primary);
  background: transparent !important;
  box-shadow: none !important;
}

.gfx-nav-link:hover::after,
.gfx-nav-link:focus::after,
.gfx-nav-link--active::after {
  width: 100%;
}

.gfx-header--transparent .gfx-nav-link {
  color: var(--gfx-white);
}

.gfx-header--transparent .gfx-nav-link:hover,
.gfx-header--transparent .gfx-nav-link:focus,
.gfx-header--transparent .gfx-nav-link--active {
  color: var(--gfx-white);
  background: transparent !important;
}

.gfx-header--transparent .gfx-nav-link--active::after {
  background: var(--gfx-white);
}

/* ========================================
   HEADER ACTIONS (CTA, Language)
   ======================================== */

.gfx-header-actions {
  display: flex;
  align-items: center;
  gap: var(--gfx-space-4);
}

.gfx-header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--gfx-space-2);
  padding: var(--gfx-space-2) var(--gfx-space-5);
  background: var(--gfx-primary);
  border: 2px solid var(--gfx-primary);
  color: var(--gfx-white);
  font-weight: var(--gfx-font-semibold);
  font-size: var(--gfx-text-sm);
  border-radius: var(--gfx-radius);
  text-decoration: none;
  transition: all var(--gfx-transition);
}

.gfx-header-cta:hover,
.gfx-header-cta:focus {
  background: var(--gfx-primary-dark);
  border-color: var(--gfx-primary-dark);
  color: var(--gfx-white);
  transform: translateY(-1px);
  box-shadow: var(--gfx-shadow);
}

/* ========================================
   LANGUAGE SWITCHER
   ======================================== */

.gfx-lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--gfx-space-1);
}

.gfx-lang-btn {
  padding: var(--gfx-space-1) var(--gfx-space-2);
  font-size: var(--gfx-text-sm);
  font-weight: var(--gfx-font-medium);
  color: var(--gfx-gray);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--gfx-radius-sm);
  cursor: pointer;
  transition: all var(--gfx-transition);
}

.gfx-lang-btn:hover {
  color: var(--gfx-primary);
}

.gfx-lang-btn--active {
  color: var(--gfx-primary);
  background: var(--gfx-light);
  border-color: var(--gfx-light);
}

/* Transparent header language switcher */
.gfx-header--transparent .gfx-lang-btn {
  color: rgba(255, 255, 255, 0.8);
}

.gfx-header--transparent .gfx-lang-btn:hover {
  color: var(--gfx-white);
}

.gfx-header--transparent .gfx-lang-btn--active {
  color: var(--gfx-white);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Scrolled state restores default styling */
.gfx-header--scrolled .gfx-lang-btn {
  color: var(--gfx-gray);
}

.gfx-header--scrolled .gfx-lang-btn:hover {
  color: var(--gfx-primary);
}

.gfx-header--scrolled .gfx-lang-btn--active {
  color: var(--gfx-primary);
  background: var(--gfx-light);
  border-color: var(--gfx-light);
}

.gfx-lang-flag {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  margin-right: var(--gfx-space-1);
  vertical-align: middle;
}

/* Hide broken flag images */
.gfx-lang-flag[src=""],
.gfx-lang-flag:not([src]) {
  display: none;
}

/* Flag emoji fallback */
.gfx-lang-emoji {
  font-size: 1rem;
  margin-right: var(--gfx-space-1);
  line-height: 1;
}

.gfx-lang-code {
  font-size: var(--gfx-text-xs);
}

.gfx-lang-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

/* ========================================
   MOBILE TOGGLE BUTTON
   ======================================== */

.gfx-mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: var(--gfx-space-2);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1040;
}

.gfx-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
}

.gfx-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gfx-dark);
  border-radius: 2px;
  transition: all var(--gfx-transition);
}

.gfx-header--transparent .gfx-hamburger span {
  background: var(--gfx-white);
}

/* Hamburger animation when open */
.gfx-mobile-toggle[aria-expanded="true"] .gfx-hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.gfx-mobile-toggle[aria-expanded="true"] .gfx-hamburger span:nth-child(2) {
  opacity: 0;
}

.gfx-mobile-toggle[aria-expanded="true"] .gfx-hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   MOBILE MENU (OFFCANVAS) - Modern Blue Design
   ======================================== */

.gfx-mobile-menu {
  --bs-offcanvas-width: 320px;
  background: linear-gradient(180deg, #1E88E5 0%, #1565C0 50%, #0D47A1 100%);
  border-left: none !important;
}

/* Grid pattern overlay */
.gfx-mobile-menu::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 30px,
      rgba(255,255,255,0.03) 30px,
      rgba(255,255,255,0.03) 31px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 30px,
      rgba(255,255,255,0.03) 30px,
      rgba(255,255,255,0.03) 31px
    );
  background-size: 31px 31px;
  pointer-events: none;
  z-index: 0;
}

/* Header with logo */
.gfx-mobile-menu .offcanvas-header {
  padding: var(--gfx-space-5) var(--gfx-space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.gfx-mobile-logo-img {
  height: 36px;
  width: auto;
  /* Logo SVG is already white, no filter needed */
}

/* Close button styling */
.gfx-mobile-menu .btn-close {
  filter: invert(1);
  opacity: 0.7;
  transition: all var(--gfx-transition);
}

.gfx-mobile-menu .btn-close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

/* Body content */
.gfx-mobile-menu .offcanvas-body {
  padding: var(--gfx-space-6);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

/* Navigation list */
.gfx-mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--gfx-space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Nav links - Large and bold - scoped to mobile menu */
.gfx-mobile-menu .gfx-mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--gfx-space-3);
  padding: var(--gfx-space-4) var(--gfx-space-5);
  font-size: 1.25rem;
  font-weight: var(--gfx-font-semibold);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  border-radius: var(--gfx-radius-lg);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

/* Icon in nav link - scoped to mobile menu */
.gfx-mobile-menu .gfx-mobile-nav-link i {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
  opacity: 0.7;
  transition: all 0.25s ease;
}

/* Hover/Active state - scoped to mobile menu only */
.gfx-mobile-menu .gfx-mobile-nav-link:hover,
.gfx-mobile-menu .gfx-mobile-nav-link:focus {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gfx-white);
  transform: translateX(4px);
}

.gfx-mobile-menu .gfx-mobile-nav-link:hover i,
.gfx-mobile-menu .gfx-mobile-nav-link:focus i {
  opacity: 1;
  color: var(--gfx-yellow);
}

.gfx-mobile-menu .gfx-mobile-nav-link--active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--gfx-white);
}

.gfx-mobile-menu .gfx-mobile-nav-link--active i {
  color: var(--gfx-yellow);
  opacity: 1;
}

/* Active indicator bar - scoped to mobile menu only */
.gfx-mobile-menu .gfx-mobile-nav-link--active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: var(--gfx-yellow);
  border-radius: 0 4px 4px 0;
}

/* Mobile CTA section */
.gfx-mobile-cta {
  display: flex;
  flex-direction: column;
  gap: var(--gfx-space-4);
  margin-top: auto;
  padding-top: var(--gfx-space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Yellow CTA button */
.gfx-mobile-cta .gfx-btn {
  width: 100%;
  justify-content: center;
  padding: var(--gfx-space-4) var(--gfx-space-6);
  font-size: 1rem;
  font-weight: var(--gfx-font-bold);
  background: var(--gfx-yellow);
  color: var(--gfx-primary-dark);
  border: none;
  border-radius: var(--gfx-radius-lg);
  box-shadow: 0 4px 15px rgba(255, 217, 0, 0.3);
  transition: all 0.25s ease;
}

.gfx-mobile-cta .gfx-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 217, 0, 0.4);
  background: #ffe433;
}

.gfx-mobile-cta .gfx-btn i {
  font-size: 1.1rem;
}

/* Mobile Language Switcher */
.gfx-mobile-lang {
  display: flex;
  justify-content: center;
  gap: var(--gfx-space-3);
  margin-top: var(--gfx-space-5);
}

.gfx-mobile-lang .gfx-lang-btn {
  color: rgba(255, 255, 255, 0.7);
  padding: var(--gfx-space-2) var(--gfx-space-3);
  border-radius: var(--gfx-radius);
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.gfx-mobile-lang .gfx-lang-btn:hover {
  color: var(--gfx-white);
  background: rgba(255, 255, 255, 0.1);
}

.gfx-mobile-lang .gfx-lang-btn--active {
  color: var(--gfx-white);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Social links in mobile menu */
.gfx-mobile-social {
  display: flex;
  justify-content: center;
  gap: var(--gfx-space-4);
  margin-top: var(--gfx-space-6);
  padding-top: var(--gfx-space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.gfx-mobile-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #ffffff;
  font-size: 1.75rem;
  border-radius: 50%;
  transition: all 0.25s ease;
}

.gfx-mobile-social a:hover {
  color: #ffd900;
  transform: translateY(-2px);
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 991.98px) {
  .gfx-nav,
  .gfx-header-actions .gfx-header-cta,
  .gfx-header-actions .gfx-lang-switcher {
    display: none;
  }
}

@media (min-width: 992px) {
  .gfx-mobile-toggle {
    display: none;
  }
}

/* ========================================
   APP STORE BADGE IN HEADER
   ======================================== */

.gfx-header-app-badge {
  display: inline-flex;
  align-items: center;
  border-radius: var(--gfx-radius);
  transition: transform var(--gfx-transition), box-shadow var(--gfx-transition);
}

.gfx-header-app-badge img {
  height: 36px;
  width: auto;
}

.gfx-header-app-badge:hover {
  transform: translateY(-1px);
  box-shadow: var(--gfx-shadow);
}