/* Syllabus — course document */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: #1a1a1a;
  background: #e8e6e0;
  background-image: repeating-linear-gradient(
    180deg,
    transparent,
    transparent 31px,
    rgba(107, 45, 60, 0.06) 31px,
    rgba(107, 45, 60, 0.06) 32px
  );
}

a {
  color: #6b2d3c;
}

code {
  font-family: ui-monospace, monospace;
  font-size: 0.88em;
  background: #ebe8e2;
  padding: 0.1em 0.35em;
}

.u-skip {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: #1a1a1a;
  color: #fff;
  padding: 0.5rem 1rem;
  font-size: 14px;
}

.u-skip:focus {
  top: 1rem;
  z-index: 100;
}

.week-rail {
  display: none;
  position: fixed;
  right: max(1rem, calc(50% - 420px));
  top: 2rem;
  font-family: ui-monospace, monospace;
  font-size: 10px;
  text-align: right;
}

.week-rail a {
  display: block;
  text-decoration: none;
  color: #999;
  margin-bottom: 0.35rem;
  padding-right: 0.5rem;
  border-right: 2px solid transparent;
}

.week-rail a:hover {
  color: #6b2d3c;
  border-right-color: #6b2d3c;
}

.doc {
  max-width: 680px;
  margin: 2rem auto;
  padding: 2.5rem 1.5rem 4rem;
  background: #fff;
  border: 1px solid #d8d4cc;
  box-shadow: 0 8px 32px rgba(26, 26, 26, 0.08), 4px 0 0 #6b2d3c inset;
}

@media (min-width: 960px) {
  .week-rail {
    display: block;
  }

  .doc {
    margin-right: calc(50% - 360px + 2.5rem);
  }
}

.mast {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid #1a1a1a;
}

.course-code {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #666;
  margin-bottom: 0.75rem;
}

.mast h1 {
  font-family: Georgia, serif;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.course-sub {
  font-size: 16px;
  color: #444;
  max-width: 36rem;
}

.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin-bottom: 2rem;
}

.meta-table th {
  text-align: left;
  font-weight: 500;
  padding: 0.5rem 1rem 0.5rem 0;
  vertical-align: top;
  width: 32%;
  color: #555;
}

.meta-table td {
  padding: 0.5rem 0;
  vertical-align: top;
  color: #333;
}

.policies {
  margin-bottom: 2.5rem;
  padding: 1.25rem;
  background: #f9f8f5;
  border: 1px solid #e0ddd6;
}

.policies h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.policies ul {
  padding-left: 1.25rem;
  font-size: 15px;
  color: #444;
}

.policies li {
  margin-bottom: 0.4rem;
}

.week {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #e0ddd6;
}

.week-label {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6b2d3c;
  margin-bottom: 0.35rem;
  padding: 0.2rem 0.5rem;
  background: #f0e8ea;
  display: inline-block;
}

.week h2 {
  font-family: Georgia, serif;
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.week-date {
  font-size: 13px;
  color: #888;
  margin-bottom: 1rem;
}

.week h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #666;
  margin: 1rem 0 0.5rem;
}

.week ul {
  padding-left: 1.25rem;
  font-size: 15px;
  color: #333;
}

.week li {
  margin-bottom: 0.35rem;
}

.week > p {
  font-size: 15px;
  color: #444;
}

.materials {
  margin-top: 2rem;
}

.materials h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.materials ul {
  padding-left: 1.25rem;
  font-size: 15px;
  color: #444;
}

.materials li {
  margin-bottom: 0.35rem;
}

.foot {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e0ddd6;
  font-size: 14px;
  color: #888;
}

@media (max-width: 600px) {
  .meta-table th,
  .meta-table td {
    display: block;
    width: 100%;
    padding: 0.25rem 0;
  }

  .meta-table tr {
    display: block;
    margin-bottom: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}