:root {
  --body-bg-color: #f8fafc;
  --body-text-color: #222222;
  --heading-color: #222222;
  --hero-gradient1: #000000;
  --hero-gradient2: #40240d;
  --footer-bg-color: #212121;
  --link-color: #c07a2a;
  --header-bg-color: #ffffff;
  --font-family: system-ui;
  --nav-link-color: #141414;
  --footer-text-color: #ffffff;
  --header-text-color: #ffffffff;
}
html {
  overflow-x: hidden;
}
body {
  background-image: url("/images/mine.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  color: var(--body-text-color) !important;
  font-family: var(--font-family);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative; /* needed for the overlay */
  z-index: 0;
}

body::before {
  content: "";
  position: fixed; /* stays fixed with the background */
  inset: 0; /* covers the full screen */
  background-color: rgba(
    255,
    255,
    255,
    0.861
  ); /* white overlay with 40% opacity */
  z-index: -1; /* keeps it behind all content */
}

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: 15px 0;
  scroll-margin-top: 70px;
}

h2,
h3 {
  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;
}

.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;
}

.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;
}
.footer img {
  filter: brightness(0) invert(1);
}

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

.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;
  }
}

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

.navbar .dropdown-toggle::after {
  transition: transform 0.3s ease;
}

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

.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;
}

.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 0.3s ease;
}

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

.dropdown-menu {
  opacity: 0;
  transition: all 0.3s 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;
}
.heading {
  font-size: 2.5rem; /* big and bold */
  font-weight: 700; /* strong weight */
  color: #222; /* dark text for readability on light theme */
  text-align: center; /* center it */
  margin: 2rem auto; /* spacing */
  max-width: 90%;

  position: relative; /* for accent underline */
}

/* Accent underline effect using pseudo-element */
.heading::after {
  content: "";
  display: block;
  width: 60px; /* underline length */
  height: 4px; /* underline thickness */
  background-color: #c07a2a; /* your accent color */
  margin: 8px auto 0; /* space above and centered */
  border-radius: 2px; /* rounded ends */
}

/* Optional: subtle metallic/miner vibe */
.heading span {
  color: #c07a2a; /* accent colored keywords */
}
.img_el {
  padding: 60px 0;
  position: relative;
  margin-top: 17px;
}
.img_el:before {
  content: "";
  background: color-mix(in srgb, #00000091, transparent 30%);
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 17px;
}
.img_el .img_el-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-image: url("/images/battle-lines-drawn.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
  border-radius: 17px;
}
.img_el .container {
  position: relative;
  z-index: 3;
}
.img_el .container h2,
.img_el .container p {
  color: white !important;
}
.img_el .container h3 {
  color: #ffffff !important;
}
.miners-section {
  padding: 21px;
  background-color: #fffdf7; /* soft light background */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  font-family: var(--font-family);
  line-height: 1.7;
  color: #333;
}

.miners-heading {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  color: #c07a2a; /* accent color */
  margin-bottom: 1.5rem;
  position: relative;
}

.miners-heading::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background-color: #c07a2a;
  margin: 8px auto 0;
  border-radius: 2px;
}

.miners-content p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.miners-subheading {
  font-size: 1.75rem;
  font-weight: 600;
  color: #c07a2a;
  margin: 2rem 0 1rem 0;
}
.scroll-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: -15px;
  z-index: 99999;
  background-color: var(--link-color);
  width: 44px;
  height: 44px;
  border-radius: 50px;
  transition: all 0.4s;
}
.scroll-top i {
  font-size: 24px;
  color: var(--footer-bg-color);
  line-height: 0;
}
.scroll-top:hover {
  background-color: color-mix(in srgb, var(--link-color), transparent 20%);
  color: var(--footer-bg-color);
}
.scroll-top.active {
  visibility: visible;
  opacity: 1;
  bottom: 15px;
}