:root {
  --body-bg-color: #f8fafc;
  --body-text-color: #222222;
  --heading-color: #222222;
  --hero-gradient1: #015a9d;
  --hero-gradient2: #43abff;
  --footer-bg-color: #0d0d0d;
  --link-color: #43abff;
  --header-bg-color: #000000;
  --font-family: system-ui;
  --nav-link-color: #43abff;
  --footer-text-color: #ffffff;
  --header-text-color: #ffffffff;
}

html {
  overflow-x: hidden;
}

body {
  background-color: var(--body-bg-color);
  color: var(--body-text-color) !important;
  font-family: var(--font-family);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: linear-gradient(44deg, rgba(114, 114, 114, 0.02) 0%, rgba(114, 114, 114, 0.02) 86%, transparent 86%, transparent 87%, rgba(147, 147, 147, 0.02) 87%, rgba(147, 147, 147, 0.02) 91%, rgba(63, 63, 63, 0.02) 91%, rgba(63, 63, 63, 0.02) 100%), linear-gradient(78deg, rgba(51, 51, 51, 0.02) 0%, rgba(51, 51, 51, 0.02) 51%, transparent 51%, transparent 74%, rgba(43, 43, 43, 0.02) 74%, rgba(43, 43, 43, 0.02) 94%, rgba(36, 36, 36, 0.02) 94%, rgba(36, 36, 36, 0.02) 100%), linear-gradient(166deg, rgba(152, 152, 152, 0.02) 0%, rgba(152, 152, 152, 0.02) 16%, transparent 16%, transparent 51%, rgba(109, 109, 109, 0.02) 51%, rgba(109, 109, 109, 0.02) 93%, rgba(132, 132, 132, 0.02) 93%, rgba(132, 132, 132, 0.02) 100%), linear-gradient(80deg, rgba(136, 136, 136, 0.02) 0%, rgba(136, 136, 136, 0.02) 28%, transparent 28%, transparent 35%, rgba(226, 226, 226, 0.02) 35%, rgba(226, 226, 226, 0.02) 95%, rgba(171, 171, 171, 0.02) 95%, rgba(171, 171, 171, 0.02) 100%), linear-gradient(90deg, rgb(255, 255, 255), rgb(255, 255, 255));

}


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

h2 {
  font-size: clamp(1.6rem, 3vw, 2rem) !important;
}

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

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

section {
  padding: 40px 0;
  scroll-margin-top: 70px;
}

section h2 {
  text-align: center;
  font-weight: 800;
  color: transparent;
  background-image: linear-gradient(45deg,
      var(--hero-gradient1),
      var(--hero-gradient2));
  background-clip: text;
  -webkit-background-clip: text;
}

section h3 {
  padding-left: 0.75rem;
  border-left: 4px solid var(--hero-gradient2);
}

section img {
  mask: radial-gradient(40px at 40px 40px, #0000 98%, #000) -40px -40px;
}

.content-area a {
  color: var(--link-color) !important;
  text-decoration: underline dashed !important;
}

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



.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;
}

.twitter-tweet {
  width: 279px !important;
}

.x {
  display: flex;
  justify-content: center;
}

.error_page {
  min-height: 70vh;
}


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

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

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



.navbar {
  background-color: var(--header-bg-color) !important;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.hero-section {
  padding: 55px 0;
  position: relative;
  overflow: hidden;
  color: var(--header-text-color);
}

.hero-section.gradient-bg {
  background-image: linear-gradient(45deg,
      #015a9d 0%,
      #015a9d 1%,

      #1a6fb3 1%,
      #1a6fb3 53%,

      #3384c9 53%,
      #3384c9 57%,

      #4c99df 57%,
      #4c99df 69%,

      #66aef5 69%,
      #66aef5 75%,

      #43abff 75%,
      #43abff 100%);
}

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


@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0;
  }

}

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

.navbar-light .navbar-nav .nav-link.active {
  color: var(--link-color) !important;
  font-weight: bold;
}

/* 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;
  }
}

.custom-dropdown {
  border: 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  min-width: 220px;
  background: color-mix(in srgb,
      var(--header-bg-color) 65%,
      transparent) !important;
  backdrop-filter: blur(12px);
}

.custom-dropdown .dropdown-item {
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  color: var(--nav-link-color, #141414) !important;
  font-weight: 500;
  border-radius: 0;
  text-wrap: wrap;
}

.dropdown-menu {
  display: none;
}

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

.nav-item.dropdown>.nav-link {
  display: flex;
  align-items: center;
}

.nav-item.dropdown>.nav-link .arrow {
  position: relative;
  margin-left: auto;
  border: solid var(--nav-link-color, #141414);
  border-width: 0 2px 2px 0;
  padding: 3px;
  transform: rotate(45deg);
  transition: transform 0.25s;
}

.dropdown.open .dropdown-menu {
  display: block;
}

@media (min-width: 1200px) {
  .nav-item.dropdown {
    position: relative;
  }

  .nav-item.dropdown>.nav-link .arrow {
    margin-left: 7px;
  }

  .custom-dropdown.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0;
    z-index: 1000;
  }

  .nav-item.dropdown:hover>.nav-link .arrow {
    transform: rotate(-135deg);
  }

  .nav-item.dropdown:hover>.dropdown-menu {
    display: block !important;
  }
}

@media (max-width: 1199px) {
  .nav-item.dropdown>.nav-link .arrow {
    padding: 4px;
  }
}



.navbar-toggler-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 0.9)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}