/**
 * Components CSS - Buttons, Navigation, Forms, Widgets
 *
 * @package DSAdvisory_Theme
 * @since 1.0.0
 */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(0, 102, 204, 0.9),
    rgba(0, 51, 102, 0.9)
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn:hover {
  background: linear-gradient(
    135deg,
    rgba(0, 122, 224, 0.95),
    rgba(0, 31, 122, 0.95)
  );
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary {
  background: linear-gradient(
    135deg,
    rgba(255, 102, 0, 0.9),
    rgba(229, 90, 0, 0.9)
  );
  box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.btn-secondary:hover {
  background: linear-gradient(
    135deg,
    rgba(229, 90, 0, 0.95),
    rgba(255, 102, 0, 0.95)
  );
  box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
  color: var(--white);
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--white);
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-primary:hover {
  background-color: #e55a00;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: none;
}

.btn-block {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.1rem;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.main-navigation {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  display: block;
  position: relative;
  transition: var(--transition);
  border-radius: 0;
  font-size: 1rem;
  background: transparent;
}

.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.main-navigation a:hover {
  color: var(--primary-color);
}

.main-navigation a:hover::after {
  width: 0;
}

.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a {
  color: var(--primary-color);
  background: rgba(0, 102, 204, 0.08);
  font-weight: 600;
  border-radius: 10px;
}

.main-navigation .current-menu-item > a::after,
.main-navigation .current_page_item > a::after {
  display: none;
}

.main-navigation .menu-item-has-children,
.main-navigation .menu-item-cta {
  position: relative;
}

.main-navigation .menu-item-has-children > a {
  padding-right: 2rem;
}

.main-navigation .menu-item-has-children > a::before {
  content: "";
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  transition: transform 0.3s ease;
  opacity: 0.7;
}

.main-navigation .menu-item-has-children:hover > a::before {
  transform: translateY(-50%) rotate(180deg);
  opacity: 1;
}

/* Hide mobile submenu toggle icons on desktop */
.main-navigation .submenu-toggle-icon {
  display: none;
}

.main-navigation .menu-item-cta > a {
  background: transparent;
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  font-weight: 600;
}

.main-navigation .menu-item-cta > a::after {
  background: var(--accent-color);
}

.main-navigation .menu-item-cta > a:hover {
  color: var(--accent-color);
}

.main-navigation .sub-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  min-width: 240px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 0.5rem 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  list-style: none;
  z-index: 3000;
  display: block !important;
  flex-direction: column !important;
}

.main-navigation li:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-navigation .sub-menu li {
  margin: 0;
  padding: 0;
  display: block !important;
  width: 100%;
  float: none !important;
  clear: both;
}

.main-navigation .sub-menu a {
  padding: 0.875rem 1.5rem;
  font-size: 0.95rem;
  color: var(--text-color);
  display: block;
  width: 100%;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  text-align: left;
  white-space: nowrap;
}

.main-navigation .sub-menu a::after {
  display: none;
}

.main-navigation .sub-menu a:hover {
  background: rgba(0, 102, 204, 0.08);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  transform: translateX(3px);
  padding-left: 1.75rem;
}

.main-navigation .sub-menu li:first-child a {
  border-radius: 12px 12px 0 0;
}

.main-navigation .sub-menu li:last-child a {
  border-radius: 0 0 12px 12px;
}

.main-navigation .sub-menu .sub-menu {
  top: 0;
  left: 100%;
  margin-left: 0.5rem;
  margin-top: 0;
}

.main-navigation .sub-menu .menu-item-has-children > a {
  padding-right: 2.5rem;
  position: relative;
}

.main-navigation .sub-menu .menu-item-has-children > a::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid currentColor;
  opacity: 0.6;
  transition: all 0.2s ease;
}

.main-navigation .sub-menu .menu-item-has-children:hover > a::after {
  opacity: 1;
  transform: translateY(-50%) translateX(3px);
}

.main-navigation .menu-item::after {
  display: none !important;
}

/* Mobile Menu Toggle */
.menu-toggle,
.menu-close {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 5px;
  border-radius: 6px;
  transition: background-color 0.3s ease;
  z-index: 2001;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.menu-toggle span,
.menu-close span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--text-color);
  border-radius: 3px;
  transition: var(--transition);
  transform-origin: center;
}

/* Close button state (perfect X) */
.menu-close {
  display: flex;
}

.menu-close span {
  position: absolute; /* Stack spans in the center */
  margin: 0;
}

.menu-close span:nth-child(1) {
  transform: rotate(45deg);
  background-color: var(--primary-color);
}

.menu-close span:nth-child(2) {
  opacity: 0;
}

.menu-close span:nth-child(3) {
  transform: rotate(-45deg);
  background-color: var(--primary-color);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
  background-color: var(--primary-color);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
  background-color: var(--primary-color);
}
/* Post Navigation */
.post-navigation {
  margin: 3rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.nav-links {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.nav-previous,
.nav-next {
  flex: 1;
}

.nav-subtitle {
  display: block;
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 0.5rem;
}

.nav-title {
  font-weight: 600;
}

/* ==========================================================================
   Forms
   ========================================================================== */

/* Search Form */
.search-form {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
}

.search-field {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
}

.search-submit {
  padding: 0.75rem 1.5rem;
}

/* Contact Form */
.contact-form-wrapper {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-family: var(--font-primary);
  color: var(--text-color);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  text-align: center;
  font-weight: 500;
}

.form-message-success {
  background-color: rgba(76, 175, 80, 0.2);
  color: #4caf50;
  border: 1px solid #4caf50;
}

.form-message-error {
  background-color: rgba(244, 67, 54, 0.2);
  color: #f44336;
  border: 1px solid #f44336;
}

/* Header Search */
.header-search {
  display: none;
  margin-left: 1rem;
}

.header-search-toggle {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: var(--transition);
}

.header-search-toggle:hover {
  background-color: rgba(0, 102, 204, 0.1);
  color: var(--primary-color);
}

@media (min-width: 992px) {
  .header-search {
    display: block;
  }
}

/* ==========================================================================
   Widgets
   ========================================================================== */

.post,
.comment,
.widget {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}

.comment {
  border-radius: 16px;
  padding: 1.5rem;
}

.widget {
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px 0 rgba(31, 38, 135, 0.15);
}

.widget:hover {
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 4px 12px 0 rgba(31, 38, 135, 0.2);
}

.post-title {
  margin-bottom: 1rem;
}

.post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.post-content {
  margin-bottom: 1rem;
}

.widget-title {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.widget ul {
  list-style: none;
}

.widget li {
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.widget li:last-child {
  border-bottom: none;
}

/* Sidebar Styles */
.sidebar {
  position: static;
  align-self: start;
  padding-top: 8rem;
}

.sidebar-single-post {
  padding-top: 11.5rem;
}

.widget-area {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.widget-area .widget {
  margin-bottom: 1.5rem;
}

.widget-area .widget:last-child {
  margin-bottom: 0;
}

/* Comments */
.comments-area {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.comment-list {
  list-style: none;
  margin: 2rem 0;
}

.comment-author {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.comment-meta {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 1rem;
}

.comment-content {
  margin-bottom: 1rem;
}

.mobile-menu-header {
  display: none;
}

/* ==========================================================================
   Navigation Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .menu-toggle,
  .menu-close {
    display: flex;
  }
  .menu-toggle.active {
    display: none;
  }

  .mobile-menu-header {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(35px) saturate(200%) brightness(1.1);
    -webkit-backdrop-filter: blur(35px) saturate(200%) brightness(1.1);
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
    z-index: 2010;
    width: 100%;
    box-sizing: border-box;
  }

  .mobile-menu-branding {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
  }

  /* Close button now inside the header, relative to it */
  .menu-close {
    position: relative;
    top: auto;
    right: auto;
    z-index: 10;
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.95) 0%,
      rgba(240, 248, 255, 0.85) 100%
    );
    border: 1.5px solid rgba(0, 102, 204, 0.15);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.12);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
  }

  .menu-close span {
    background-color: var(--primary-color) !important;
  }

  .menu-close:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.2);
  }
  /* Mobile menu overlay with enhanced blur */
  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
      visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* Enhanced mobile menu with gradient background */
  .main-navigation {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 85% !important;
    max-width: 380px !important;
    height: 100vh !important;
    height: 100dvh !important;
    min-height: 100vh !important;
    min-height: 100dvh !important;
    max-height: none !important;
    overflow: hidden; /* Prevent parent from scrolling */
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.92) 0%,
      rgba(240, 248, 255, 0.88) 100%
    );
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 2000;
    padding: 0 !important;
    margin: 0 !important;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    order: 3;
    flex: none !important;
    justify-content: flex-start !important;
    box-shadow: 4px 0 40px rgba(0, 102, 204, 0.15),
      8px 0 80px rgba(0, 0, 0, 0.1);
    display: flex !important;
    flex-direction: column !important;
    border-right: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
  }

  /* Blurred logo watermark in the background of the menu */
  .main-navigation::after {
    content: "";
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 280px;
    height: 280px;
    background-image: url("../images/logo_dsadvisory.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.12; /* Slightly more visible */
    filter: blur(5px); /* Less blur for better definition */
    z-index: -1;
    pointer-events: none;
    transform: rotate(-10deg);
  }

  .main-navigation.menu-open {
    transform: translateX(0);
  }

  /* Scrollbar styling for mobile menu */
  .main-navigation::-webkit-scrollbar {
    width: 6px;
  }

  .main-navigation::-webkit-scrollbar-track {
    background: rgba(0, 102, 204, 0.05);
  }

  .main-navigation::-webkit-scrollbar-thumb {
    background: rgba(0, 102, 204, 0.3);
    border-radius: 3px;
  }

  .main-navigation::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 102, 204, 0.5);
  }

  /* Mobile menu content wrapper - adjusted padding for the new header */
  .main-navigation > ul,
  .main-navigation > div > ul {
    padding: 1.5rem 1.25rem 2rem !important; /* Reduced top padding */
    margin: 0 !important;
    flex: 1;
    overflow-y: auto;
    width: 100% !important;
    box-sizing: border-box;
    flex-direction: column !important;
    gap: 0.75rem !important;
    align-items: stretch !important;
    list-style: none !important;
    display: flex !important;
  }

  .main-navigation li {
    width: 100%;
    position: relative;
  }

  /* Enhanced menu items with gradient and shadow */
  .main-navigation a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.125rem 1.25rem;
    border-radius: 14px;
    margin: 0;
    border: 1.5px solid rgba(0, 102, 204, 0.12);
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.9) 0%,
      rgba(240, 248, 255, 0.7) 100%
    );
    text-decoration: none;
    width: 100%;
    box-sizing: border-box;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.08);
    position: relative;
    overflow: hidden;
  }

  /* Shine effect on top-level menu items only */
  .main-navigation > ul > li:not(.menu-item-has-children) a::after,
  .main-navigation > div > ul > li:not(.menu-item-has-children) a::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.4),
      transparent
    );
    transition: left 0.5s ease;
  }

  .main-navigation li:not(.menu-item-has-children) a:active::after {
    left: 100%;
  }

  /* Hide desktop submenu arrow on mobile */
  .main-navigation a::before {
    display: none !important;
  }

  /* Enhanced hover/active state */
  .main-navigation a:hover,
  .main-navigation a:active {
    background: linear-gradient(
      135deg,
      rgba(0, 102, 204, 0.15) 0%,
      rgba(100, 149, 237, 0.12) 100%
    );
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.2);
    transform: translateX(4px);
  }

  /* Current menu item styling */
  .main-navigation .current-menu-item > a,
  .main-navigation .current_page_item > a {
    background: linear-gradient(
      135deg,
      rgba(0, 102, 204, 0.18) 0%,
      rgba(100, 149, 237, 0.15) 100%
    );
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.25);
  }

  /* Enhanced submenu toggle icon */
  .main-navigation .menu-item-has-children > a {
    padding-right: 4.5rem; /* Increase padding for the larger button */
  }

  .main-navigation .submenu-toggle-icon {
    position: absolute;
    right: 0;
    top: 0;
    width: 60px;
    height: 44px; /* Fixed height to match the menu item row */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: auto;
    cursor: pointer;
    color: var(--primary-color);
    background: rgba(0, 102, 204, 0.04); /* Subtle background contrast */
    border-left: 1px solid rgba(0, 102, 204, 0.15); /* Explicit vertical divider */
    z-index: 10;

    border-top-right-radius: 14px;
    border-bottom-right-radius: 14px;
  }

  .main-navigation .submenu-toggle-icon:active {
    background: rgba(0, 102, 204, 0.12);
  }

  .main-navigation .submenu-toggle-icon::before,
  .main-navigation .submenu-toggle-icon::after {
    content: "";
    position: absolute;
    background-color: currentColor;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
  }

  /* Plus icon (horizontal line) - thicker for better visibility */
  .main-navigation .submenu-toggle-icon::before {
    width: 16px;
    height: 2.5px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  /* Plus icon (vertical line) - thicker for better visibility */
  .main-navigation .submenu-toggle-icon::after {
    width: 2.5px;
    height: 16px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  /* Rotate to minus when open with bounce effect */
  .main-navigation .submenu-open > a .submenu-toggle-icon {
    background: var(--primary-color);
    color: white;
  }

  .main-navigation .submenu-open > a .submenu-toggle-icon::before {
    background-color: white;
  }

  .main-navigation .submenu-open > a .submenu-toggle-icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
    background-color: white;
  }

  /* Enhanced parent item when submenu is open */
  .main-navigation .submenu-open > a {
    background: linear-gradient(
      135deg,
      rgba(0, 102, 204, 0.2) 0%,
      rgba(100, 149, 237, 0.18) 100%
    ) !important;
    color: var(--primary-color) !important;
    font-weight: 600;
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.25);
  }

  /* Enhanced submenu styles with gradient background */
  .main-navigation .sub-menu {
    position: static !important;
    display: block !important; /* Keep display:block to allow transitions */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    box-shadow: inset 0 2px 8px rgba(0, 102, 204, 0.1);
    background: linear-gradient(
      180deg,
      rgba(0, 102, 204, 0.08) 0%,
      rgba(100, 149, 237, 0.06) 100%
    );
    margin: 0 !important;
    padding: 0 0.5rem !important;
    border-radius: 12px;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease,
      transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease,
      margin 0.4s ease;
    top: auto !important;
    left: auto !important;
    min-width: auto !important;
    z-index: auto !important;
    border: 1px solid rgba(0, 102, 204, 0.15);
    border-width: 0; /* Hide border when closed */
  }

  /* Disable desktop hover behavior on mobile, only apply where hover is supported */
  @media (hover: hover) {
    .main-navigation li:hover > .sub-menu {
      opacity: 0 !important;
      visibility: hidden !important;
      transform: none !important;
      max-height: 0 !important;
      height: 0 !important;
    }
  }

  /* Show submenu when parent has submenu-open class with animation */
  .main-navigation .submenu-open > .sub-menu {
    visibility: visible !important;
    opacity: 1 !important;
    max-height: 600px !important; /* Reasonable height for transition */
    margin-top: 0.75rem !important;
    padding: 0.75rem 0.5rem !important;
    transform: translateY(0);
    border-width: 1px;
  }

  .main-navigation .sub-menu li {
    width: 100%;
    margin: 0;
    padding: 0;
    display: block !important;
  }

  /* Staggered transition delays removed for a flatter experience */

  @keyframes slideInFromLeft {
    from {
      opacity: 0;
      transform: translateX(-10px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  .main-navigation .sub-menu li:first-child {
    margin-top: 0;
  }

  .main-navigation .sub-menu li:last-child {
    margin-bottom: 0;
  }

  /* Enhanced submenu links */
  .main-navigation .sub-menu a {
    padding: 0.95rem 1.25rem 0.95rem 2rem;
    font-size: 0.98rem;
    margin: 0.25rem 0;
    background: rgba(255, 255, 255, 0.6);
    border-left: 3px solid transparent;
    border-radius: 10px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    border: 1px solid rgba(0, 102, 204, 0.08);
    box-shadow: 0 1px 4px rgba(0, 102, 204, 0.05);
  }

  .main-navigation .sub-menu a::before {
    content: "→";
    position: absolute;
    left: 1.5rem;
    opacity: 0.4;
    font-size: 0.85rem;
    transition: all 0.2s ease;
  }

  .main-navigation .sub-menu a:hover,
  .main-navigation .sub-menu a:active {
    background: linear-gradient(
      135deg,
      rgba(0, 102, 204, 0.18) 0%,
      rgba(100, 149, 237, 0.15) 100%
    );
    border-left-color: var(--primary-color);
    color: var(--primary-color);
    padding-left: 2.25rem;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.15);
    transform: translateX(4px);
  }

  .main-navigation .sub-menu a:hover::before,
  .main-navigation .sub-menu a:active::before {
    opacity: 1;
    transform: translateX(3px);
    color: var(--primary-color);
  }

  /* Nested submenus with enhanced styling */
  .main-navigation .sub-menu .sub-menu {
    margin-left: 0;
    margin-top: 0.5rem;
    background: linear-gradient(
      180deg,
      rgba(0, 102, 204, 0.12) 0%,
      rgba(100, 149, 237, 0.08) 100%
    );
    border-radius: 12px;
    border: 1px solid rgba(0, 102, 204, 0.2);
  }

  .main-navigation .sub-menu .sub-menu a {
    padding-left: 3rem;
    font-size: 0.92rem;
  }

  .main-navigation .sub-menu .sub-menu a::before {
    left: 2rem;
    content: "↳";
  }

  .main-navigation .sub-menu .sub-menu a:hover,
  .main-navigation .sub-menu .sub-menu a:active {
    padding-left: 3.25rem;
  }

  /* Enhanced CTA button in mobile menu */
  .main-navigation .menu-item-cta > a {
    background: linear-gradient(
      135deg,
      var(--primary-color) 0%,
      var(--secondary-color) 100%
    );
    color: var(--white);
    text-align: center;
    justify-content: center;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3);
    border: none;
  }

  .main-navigation .menu-item-cta > a:hover,
  .main-navigation .menu-item-cta > a:active {
    background: linear-gradient(
      135deg,
      var(--secondary-color) 0%,
      var(--primary-color) 100%
    );
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
  }

  .nav-links {
    flex-direction: column;
  }

  .sidebar {
    position: static;
    top: auto;
    padding-top: 0;
  }
}