/* ===== Site-wide styles ===== */

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #0f1115;
  color: #e8e8e8;
  line-height: 1.6;
}

/* Layout helpers */
.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

/* ===== Header and navigation ===== */
.site-header {
  background-color: #141824;
  border-bottom: 1px solid #262c3a;
  padding: 20px 0;
}

.site-title {
  margin: 0;
}

.site-tagline {
  margin-top: 5px;
  color: #b8c0d9;
}

.nav a {
  color: #8be9fd;
  text-decoration: none;
  margin-right: 12px;
}

.nav a:hover {
  text-decoration: underline;
}

/* ===== Content cards ===== */
.card {
  background-color: #141824;
  border: 1px solid #262c3a;
  border-radius: 12px;
  padding: 16px;
  margin-top: 20px;
}

.card:hover {
  border-color: #8be9fd;
  transform: translateY(-2px);
  transition: 0.2s ease;
}

details summary {
  cursor: pointer;
  color: #8be9fd;
  margin-bottom: 8px;
}

details[open] summary {
  color: #b8c0d9;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid #262c3a;
  margin-top: 40px;
  padding: 20px 0;
  color: #b8c0d9;
}

/* ===== Banner image ===== */
.banner {
  margin: 0 0 18px;
}

.banner img {
  display: block;
  width: 100%;
  max-width: 800px;
  height: auto;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid #262c3a;
}

.banner figcaption {
  color: #b8c0d9;
  margin-top: 8px;
  font-size: 0.95rem;
  text-align: center;
}

/* ===== Grid layout for organized content ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Switch to two columns on larger screens */
@media (min-width: 800px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Tables ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th,
td {
  border: 1px solid #262c3a;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #10131b;
  color: #b8c0d9;
}

/* ===== Buttons ===== */
button {
  background-color: #141824;
  color: #8be9fd;
  border: 1px solid #262c3a;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background-color: #10131b;
}