:root {
  --background-color: #ffffff;
  --text-color: #000000;
  --accent-color: #0864a4;
  --surface-color: #e3fbfd;
  --highlight-color: rgb(253, 253, 206);
  scroll-behavior: smooth;
}

/* ------------------------ GENERAL TEXT STYLES ------------------------ */
* { font-family: Arial; }

body, section, .section {
  color: var(--text-color);
  background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6, p, a {
  padding: 5px;
}

.bold-heading {
  font-weight: bold;
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

.no-bullets, .no-bullets li {
  list-style-type: none;
}

.highlight-target:target {
  background-color: var(--highlight-color);
  transition: background-color 1s ease-out;
}

/* --------------------------- HEADER STYLES --------------------------- */
.header {
  color: var(--text-color);
  background-color: var(--surface-color);
  padding: 15px 0;
  z-index: 997;
}

.header .logo img {
  max-height: 60px;
  margin-right: 8px;
}

@media (max-width: 1200px) {
  .header .logo { order: 1; }
  .header .navmenu { order: 2; }
}

/* -------------------------- NAV MENU STYLES -------------------------- */
.navmenu a {
  color: var(--text-color);
  text-transform: uppercase;
  font-weight: bold;
  font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.navmenu li:hover > a,
.navmenu .active {
  color: var(--accent-color);
}

@media (min-width: 1200px) {
  .navmenu ul {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
  }

  .navmenu li {
    padding: 15px 14px;
    white-space: nowrap;
  }

  .navmenu a {
    font-size: 17px;
    display: flex;
    align-items: center;
  }
}


/* ------------------------- PAGE TITLE STYLES ------------------------- */
.page-title {
  color: var(--accent-color);
  background-color: var(--background-color);
  padding: 25px 0;
}

.page-title h1 {
  font-size: 24px;
  font-weight: 400;
}

.page-title .breadcrumbs ol {
  display: flex;
  margin: 0;
  padding: 0;
  font-size: 14px;
}

.page-title .breadcrumbs ol li + li::before {
  content: "/";
  padding-right: 10px;
  color: color-mix(in srgb, var(--text-color), transparent 70%);
}

/* -------------------------- SECTION STYLES -------------------------- */
section, .section {
  padding: 60px 0;
  scroll-margin-top: 100px;
}

.title {
  text-align: center;
  padding: 30px 0;
  font-size: 32px;
  font-weight: 700;
}

/* -------------------------- BANNER STYLES --------------------------- */
.banner {
  width: 100%;
  min-height: calc(100vh - 82px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 80px 0;
}

@media (max-width: 1200px) {
  .banner {
    min-height: calc(100vh - 68px);
  }
}

.banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  padding: 25px;
}

.banner .container {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 20px;
}

.banner h2 {
  font-size: 48px;
  font-weight: 700;
  margin: 0;
}

.banner p {
  margin: 10px 0 0 0;
  font-size: 24px;
}

/* ------------------------- CONTAINER STYLES -------------------------- */
.container {
  padding: 25px;
}

.container .row {
  padding-bottom: 50px;
}

.container .col {
  padding: 0 50px;
}

/* -------------------------- FOOTER STYLES --------------------------- */
.footer, footer {
  background-color: var(--surface-color);
  font-size: 14px;
  padding: 40px 0;
  text-align: center;
  width: 100%;
}

/* -------------------------- BUTTON STYLES --------------------------- */
.btn {
  color: var(--accent-color);
  background: var(--background-color);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1px;
  display: inline-block;
  padding: 12px 40px;
  border-radius: 25px;
  border-color: var(--accent-color);
  margin-top: 30px;
}

.btn:hover {
  background-color: var(--accent-color);
  color: var(--background-color);
  transition: all 0.3s ease-in-out;
}

/* --------------------------- ICON STYLES ---------------------------- */
.bi { padding: 15px; }

/* -------------------------- UTILITY STYLES -------------------------- */
.hidden { display: none; }

.nodeblock { text-align: left; }

/* -------------------------- POPUP STYLES ---------------------------- */
.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.popup-content {
  text-align: center;
  font-size: 12px;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 20px;
  cursor: pointer;
}

/* ------------------------ LIST CONTENT STYLES ------------------------ */
#listContent {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  justify-items: center;
}

/* ------------------------ PARAGRAPH STYLES -------------------------- */
.paragraph-section {
  margin: 0 50px 30px 50px;
}

.paragraph-detail {
  margin-left: 50px;
  line-height: 20px;
  margin-bottom: 6px;
}

/* ------------------------ NODEBLOCK STYLES -------------------------- */
.nodeblocks {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------------------- MERMAID CHART STYLES ------------------------ */
.mermaid {
  display: block;
  max-width: 100%;
}

.mermaid svg {
  width: 100%;
  height: auto;
  transform: scale(1, 1);
  transform-origin: top left;
}

.mermaid .node {
  width: auto;
  height: auto;
  font-size: 12px;
  padding: 4px;
}

/* --------------------------- OPERATIONS ----------------------------- */
#operationsContent {
  padding: 20px;
}

/* ---------------------------- DROPDOWN ------------------------------ */
dropdown .dropdown-wrapper {
  background-color: var(--surface-color);
  border-radius: 1rem;
  border: 1px solid var(--accent-color);
  padding: 1.5rem;
  font-family: "Segoe UI", sans-serif;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  max-width: 800px;
  margin: 2rem auto;
  color: var(--text-color);
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
}

dropdown .dropdown-item {
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--accent-color);
  padding-bottom: 0.5rem;
}

dropdown summary {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
  cursor: pointer;
  list-style: none;
  padding: 0.25rem;
  transition: background-color 0.3s ease;
  border-radius: 0.5rem;
}

dropdown summary:hover {
  background-color: var(--background-color);
}

dropdown summary::-webkit-details-marker {
  display: none;
}

dropdown details[open] summary {
  color: var(--accent-color);
}

dropdown ul, dropdown li {
  color: var(--text-color);
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
}

dropdown ul {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
}

dropdown li {
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

/* ------------------------------- GRID ------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1rem;
  background-color: var(--background-color);
  max-width: 50%;
  max-height: 50%;
  margin-left: auto;
  margin-right: auto;
}

.grid-item {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--surface-color);
  border: 1px solid var(--accent-color);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, background-color 0.2s;
}

.grid-item:hover {
  background-color: var(--highlight-color);
  transform: translateY(-3px);
}

.grid-item a {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  text-decoration: none;
  color: var(--accent-color);
  font-weight: bold;
}

.grid-item a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  opacity: 0.2;
}

.grid-item a::after {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--accent-color);
  font-size: 1.2rem;
  font-weight: bold;
  text-shadow: 0 0 5px var(--surface-color);
  pointer-events: none;
  text-align: center;
}

/* ------------------------------- LINK BAR ------------------------------- */
ul.horizontal-list {
  list-style: none;
  padding: 25px;
  margin: 0;
  display: flex;
  flex-wrap: wrap; 
  gap: 0.5rem;
  justify-content: center; 
}

ul.horizontal-list li {
  flex: 0 1 calc(33.333% - 1rem); 
  display: inline-block; 
  box-sizing: border-box;
}

ul.horizontal-list li a {
  display: inline-flex; 
  justify-content: center; 
  align-items: center; 
  padding: 0rem 0.6rem;
  background-color: var(--surface-color);
  border: 1px solid var(--accent-color);
  border-radius: 12px;
  color: var(--accent-color);
  font-weight: bold;
  text-decoration: none;
  transition: transform 0.2s, background-color 0.2s;
  width: 100%;
}

ul.horizontal-list li a:hover {
  background-color: var(--highlight-color);
  transform: translateY(-3px);
}

/* ------------------------------- PARAGRAPHS ------------------------------- */
#paragraphsContent {
  padding: 25px;
}

.paragraph-codeblock {
  margin-left: 5em;
}

/* --------------------------------- ASIDES ---------------------------------- */
under-construction aside {
  background-color: #fff3cd;
  color: #856404;
  text-align: center;
  padding: 0.5rem;
  font-weight: 500;
}

under-construction aside a {
  color: #0c5460;
  padding: 0;
  text-decoration: underline;
}

/* --------------------------------- IFRAMES ---------------------------------- */
iframeContainer {
  display: inline;
}
iframe.full-view {
  display: block;
  border: none;
  height: 100vh;
  width: 100vw;
}