/* Palette */

:root {
  --gold: #FFBD02;
  --steel-blue: #4977AA;
  --burnt-orange: #D94F00;
  --sky-blue: #7EC8E3;
  --slate-grey: #3E4A58;
  --green: #087616;
  --light-grey: #A9A9A9;
  --dark-blue: #0F1A37;
  --white: #ffffff;
}

/* Page Style */

body {
  background: var(--dark-blue);
  color: var(--light-grey);
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0 1.5rem;
  font-size: 1.2rem;
}

p {
  max-width: 1000px;
}

/* Headings */

.site-title {
  font-size: 4rem;
  font-weight: 700;
  margin: 1rem 0 2rem 0;
}

.title-white {
  color: var(--white);
}

.title-gold {
  color: var(--gold);
}


.site-subtitle {
  font-weight: 700;
  font-size: 2.4rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--sky-blue);
}

.heading-mixed {
  font-weight: 700;
  font-size: 2.4rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.heading-white {
  color: var(--white);
}

.heading-gold {
  color: var(--gold);
}

/* Terminology Table */

.terminology-table {
  width: 100%;
  max-width: 900px;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.terminology-table th {
  text-align: left;
  padding: 0.75rem;
  background: var(--slate-grey);
  color: var(--white);
}

.terminology-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--slate-grey);
}

/* Graphics */

figure {
  background: var(--dark-blue);
  border: 1px solid var(--slate-grey);
  padding: 1rem;
  border-radius: 6px;
  max-width: 900px;
  margin: 2rem 0;
}

figure img {
  width: 100%;
  border: 2px solid var(--figure-lines);
  border-radius: 4px;
}

figcaption {
  color: var(--light-grey);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  text-align: center;
}


/* References */


.references {
  background-color: var(--dark-blue);
  border-left: 4px solid var(--gold);
  padding: 1.5rem;
  margin-top: 2rem;
  color: var(--light-grey);
}

.references h2 {
  color: var(--gold);
  font-size: 1.6rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.references ol {
  list-style: decimal;
  margin-left: 1.2rem;
}

.references li {
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.references .author {
  font-weight: bold;
  color: var(--sky-blue);
}

.references .title {
  font-style: italic;
  color: var(--light-grey);
}

.references a {
  color: var(--gold);
  text-decoration: none;
}

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