/* ================================= */
/* Navigation Menu Styles            */
/* ================================= */
/* Import Unified Color Palette */
@import url('colors.css');
/* Import Unified Button Styles */
@import url('buttons.css');

.navigation-section {
  padding: 60px 20px;
  background: var(--bgGradient);
  min-height: 100vh;
}

.navigation-section .container {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

/* Menu Toggle Button in Header */
.navbar .menu-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  color: var(--greenNormal);
  border: none;
  border-radius: 0;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: none;
  font-family: 'Poppins', sans-serif;
  white-space: nowrap;
}

.navbar .menu-toggle-btn:hover {
  color: var(--greenDark);
  transform: none;
  box-shadow: none;
}

.navbar .menu-toggle-btn span:last-child {
  color: var(--greenNormal);
  font-weight: 600;
}

.navbar .menu-toggle-btn:hover span:last-child {
  color: var(--greenDark);
}

/* Hamburger Icon - 3 lines */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
  height: 16px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--greenNormal);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.navbar .menu-toggle-btn:hover .hamburger span {
  background: var(--greenDark);
}

/* Navigation Menu */
.nav-menu {
  position: fixed;
  top: 0;
  right: -450px;
  width: 450px;
  height: 100vh;
  background: linear-gradient(180deg, var(--greenLight) 0%, #ffffff 10%, #f8f9fa 100%);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  transition: right 0.3s ease;
  z-index: 1000;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* Menu toggle button in header */
header.header .menu-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 12px;
}

header.header .hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 22px;
  height: 18px;
  justify-content: center;
  align-items: center;
}

header.header .hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--greenNormal);
  border-radius: 2px;
  transition: all 0.3s ease;
}

header.header .menu-toggle-btn:hover .hamburger span {
  background: var(--greenDark);
}

.nav-menu.active {
  right: 0;
}

.nav-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 30px;
  border-bottom: 3px solid var(--greenNormal);
  background: linear-gradient(135deg, var(--greenNormal), var(--greenDark));
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-menu-header h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: white;
  font-family: 'Poppins', sans-serif;
}

.menu-close-btn {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: 50px;
  transition: all 0.3s ease;
  width: auto;
  min-width: 60px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.menu-close-btn i {
  display: none;
}

.menu-close-btn::before {
  content: '✕';
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.menu-close-btn:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.menu-close-btn:active {
  transform: scale(0.95);
}

.nav-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 30px;
  border-bottom: 3px solid var(--greenNormal);
  background: linear-gradient(135deg, var(--greenNormal), var(--greenDark));
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Special style for index.html - keep original button style */
body.index-page .menu-close-btn {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.3s ease;
  width: auto;
  min-width: auto;
  box-shadow: none;
  font-weight: 700;
}

body.index-page .menu-close-btn i {
  display: none;
}

body.index-page .menu-close-btn::before {
  content: '✕';
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

body.index-page .menu-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
  box-shadow: none;
}

.nav-menu-content {
  padding: 30px;
  flex: 1;
  overflow-y: auto;
  background: #ffffff;
}

.nav-menu-group {
  margin-bottom: 35px;
}

.nav-menu-group-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--greenDark);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--greenLight);
  font-family: 'Poppins', sans-serif;
  padding-left: 5px;
}

.nav-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-btn {
  display: block;
  padding: 12px 16px;
  text-decoration: none;
  font-weight: 400;
  font-size: 15px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  color: var(--greenNormal);
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  margin-bottom: 4px;
  border-left: none;
}

.nav-btn:hover {
  color: var(--greenDark);
  background: transparent;
  transform: translateX(8px);
  padding-left: 20px;
  border-left: none;
  font-weight: 500;
}

/* Overlay when menu is open */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 999;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .navigation-section {
    padding: 40px 15px;
  }

  .navbar .menu-toggle-btn {
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .navbar .menu-toggle-btn span:last-child {
    display: none;
  }

  .nav-menu {
    width: 100%;
    right: -100%;
  }

  .nav-menu-content {
    padding: 20px;
  }

  .nav-menu-header {
    padding: 20px;
  }

  .nav-menu-header h3 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .menu-toggle-btn {
    padding: 12px 24px;
    font-size: 15px;
  }

  .nav-btn {
    padding: 8px 0;
    font-size: 14px;
  }
}