:root {
  --body-bg-color: #f8fafc;
  --body-text-color: #222222;
  --heading-color: #222222;
  --hero-gradient1: #667eea;
  --hero-gradient2: #764ba2;
  --footer-bg-color: #0d0d0d;
  --link-color: #f76c6c;
  --header-bg-color: #ffffff;
  --font-family: Verdana;
  --nav-link-color: #2a5298;
}

body {
  background-color: var(--body-bg-color) !important;
  color: var(--body-text-color) !important;
  font-family: var(--font-family), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.light-background {
  background: #d3d2d2;
  padding: 30px;
  border-radius: 15px;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.5rem) !important;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2rem) !important;
  text-align: center;
  color: var(--nav-link-color);
  font-weight: 800;
  text-shadow:
    2px 2px 0 var(--link-color),
    4px 4px 6px rgba(0, 0, 0, 0.25);
  position: relative;
  padding-bottom: 8px;
  margin-bottom: 20px;
}

h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 100px;
  height: 12px;
  background: radial-gradient(circle at 10px 6px, var(--link-color) 40%, transparent 42%) repeat-x;
  background-size: 20px 12px;
  mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
}


h3 {
  font-size: clamp(1.4rem, 3vw, 1.7rem) !important;
  color: var(--link-color);
}

p {
  margin-bottom: 0.5rem !important;
}

section {
  padding: 30px 0;
}


h2 {
  color: var(--heading-color) !important;
}

.content-area a {
  color: var(--link-color) !important;
  text-decoration: none !important;
}

.content-area a:hover {
  color: var(--link-color) !important;
  opacity: 0.8;
}

.footer {
  background-color: var(--footer-bg-color);
  color: white;
}

.footer a {
  text-decoration: none;
  color: var(--link-color) !important;
}


.sidebar-page-list {
  padding: 0;
  margin: 0;
  margin-bottom: 17px;
  width: 279px;
}

.sidebar-page-list li {
  list-style-type: disc;
  list-style-position: inside;
  color: var(--heading-color);
}

.sidebar-page-list li::marker {
  color: var(--link-color);
  font-size: 1.2em;
}

.sidebar-page-list li:last-child {
  border-bottom: none;
}

.sidebar-page-list li a {
  padding: 12px 0;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  color: var(--link-color);
}

.sidebar-page-list li a:hover {
  padding-left: 11px;
}

.error_page {
  min-height: 70vh;
}


.navbar {
  background-color: var(--header-bg-color) !important;
  position: sticky;
  top: 0;
  z-index: 1020;
  box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
}

.hero-section {
  padding: 115px 0 25px 0;
  position: relative;
  overflow: hidden;
}

.hero-section.gradient-bg {
  background: linear-gradient(135deg, var(--hero-gradient1), var(--hero-gradient2));
}

.hero-section.with-bg {
  background-image: url('/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 0 0 30px 30px;
  box-shadow: rgba(50, 50, 93, 0.25) 0px 50px 100px -20px, rgba(0, 0, 0, 0.3) 0px 30px 60px -30px, rgba(10, 37, 64, 0.35) 0px -2px 6px 0px inset;
}

.hero-section.with-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgb(0, 0, 0));
  opacity: 0.5;
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.navbar-light .navbar-nav .nav-link {
  color: var(--nav-link-color, #141414) !important;
}

/* Mobile nav */
@media (max-width: 1199.98px) {
  .navbar-collapse {
    position: fixed;
    top: 61px;
    left: 15px;
    right: 15px;
    background-color: color-mix(in srgb, var(--header-bg-color) 65%, transparent);
    backdrop-filter: blur(12px);
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    padding: 15px;
    margin: 0;
  }

  .navbar-nav {
    width: 100%;
  }

  .navbar-nav .nav-item {
    margin: 7px 0;
  }

  .navbar-nav .nav-item:hover {
    transform: translateY(-1px);
  }

  .navbar-nav .nav-link {
    font-size: 1.2rem;
    font-weight: 500;
    text-decoration: none;
    display: block;
    padding: 0;
  }

  .navbar-toggler {
    z-index: 10000;
    position: relative;
    border: var(--bs-border-width) solid var(--nav-link-color, #141414) !important;
  }
}

@media screen and (min-width: 1199.98px) {
  .dropdown-menu {
    top: 100%;
    left: 50% !important;
    transform: translateX(-50%);
  }
}

.navbar .dropdown-toggle::after {
  transition: transform .3s ease
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(180deg)
}

.custom-dropdown {
  border: 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, .15);
  border-radius: 12px;
  padding: .5rem 0;
  margin-top: .5rem;
  min-width: 220px;
  background: color-mix(in srgb, var(--header-bg-color) 65%, transparent) !important;
  backdrop-filter: blur(12px)
}

.custom-dropdown .dropdown-item {
  padding: .75rem 1.5rem;
  transition: all .3s ease;
  color: var(--nav-link-color, #141414) !important;
  font-weight: 500;
  border-radius: 0;
  text-wrap: wrap
}

.custom-dropdown .dropdown-item:hover {
  color: #fff;
  background: color-mix(in srgb, var(--header-bg-color) 95%, transparent) !important;
}

.custom-dropdown .dropdown-item i {
  width: 16px;
  color: #6c757d;
  transition: color .3s ease
}

.custom-dropdown .dropdown-item:hover i {
  color: #fff
}

.dropdown-menu {
  opacity: 0;
  transition: all .3s ease;
  display: block;
  visibility: hidden
}

.dropdown-menu.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible
}

@media (min-width:1199.98px) {
  .custom-dropdown {
    max-width: 200px
  }
}

@media (max-width:1199.98px) {
  .custom-dropdown {
    display: none;
    background: #f8f9fa;
    box-shadow: none;
    border-radius: 0;
    margin-top: 0;
    border-top: 1px solid #dee2e6
  }

  .custom-dropdown .dropdown-item:hover {
    margin: 0;
    border-radius: 0;
    transform: none
  }
}

.dropdown-menu:hover,
.dropdown:hover .dropdown-menu {
  display: block !important;
  visibility: visible;
  opacity: 1
}

.dropdown-item.active,
.dropdown-item:active {
  color: #fff;
  text-decoration: none;
  background-color: #91919131 !important;
}

.floating-rounded-navbar {
  background-color: var(--header-bg-color) !important;
  position: fixed !important;
  top: 15px !important;
  left: 7px !important;
  right: 7px !important;
  width: calc(100% - 11px) !important;
  z-index: 2000;
  border-radius: 21px;
  transition: all 0.3s ease;
}


@media (max-width: 1199.98px) {
  .floating-rounded-navbar .navbar-collapse {
    top: 85px !important;
  }
}

.navbar-brand {
  margin-right: 0 !important;
}

.error-text {
  display: inline-block;
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 900;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  letter-spacing: 6px;
  line-height: 1;
  text-align: center;
  -webkit-text-stroke: 2px currentColor;
  text-transform: uppercase;
  user-select: none;
  transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.error-text:hover {
  transform: scale(1.05);
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.25);
}

.img-style {
  box-shadow: rgba(42, 82, 152, 0.4) 5px 5px, rgba(42, 82, 152, 0.3) 10px 10px, rgba(42, 82, 152, 0.2) 15px 15px, rgba(42, 82, 152, 0.1) 20px 20px, rgba(42, 82, 152, 0.05) 25px 25px;
}