/* Case study template. Shared by every /work/<slug>/ page.
   Inherits tokens and fonts from ../../style.css */

.case-study {
  padding: 7rem var(--gutter) 6rem;
  --cs-col: 68ch;
}

.cs-back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 3px;
  margin-bottom: 4rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cs-back:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.cs-meta {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 1.2rem;
}

.cs-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(4rem, 7.5vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin-bottom: 1.2rem;
}

.cs-tagline {
  font-style: italic;
  font-size: clamp(1.8rem, 2.2vw, 2.2rem);
  color: var(--ink-mute);
  max-width: 40ch;
  margin-bottom: 3rem;
}

.cs-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 5rem;
}

.cs-links a {
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 3px;
  transition: border-color 0.2s ease;
}

.cs-links a:hover {
  border-color: var(--ink);
}

.cs-links a.subtle {
  color: var(--ink-mute);
}

.cs-block {
  max-width: var(--cs-col);
  margin-bottom: 5rem;
}

.cs-block h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.8rem, 3.4vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
}

.cs-block h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1.4;
  margin: 3.4rem 0 1.2rem;
}

.cs-block p {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--ink-body);
  margin-bottom: 1.8rem;
}

.cs-block p:last-child {
  margin-bottom: 0;
}

.cs-block ul,
.cs-block ol {
  margin: 0 0 1.8rem 2rem;
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--ink-body);
}

.cs-block li {
  margin-bottom: 0.6rem;
}

.cs-block a {
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 1px;
}

.cs-block a:hover {
  border-color: var(--ink);
}

.cs-block code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: rgba(22, 22, 20, 0.06);
  border-radius: 3px;
  padding: 0.15em 0.4em;
}

/* Figures break the measure and run wider than the prose. */

.cs-figure {
  margin: 0 0 5rem;
  max-width: 900px;
}

.cs-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: #e9e4d8;
}

.cs-figure-hero {
  margin-bottom: 6rem;
}

.cs-figcaption {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--ink-mute);
  margin-top: 1.2rem;
}

/* Tables */

.cs-table {
  width: 100%;
  max-width: 900px;
  border-collapse: collapse;
  margin: 0 0 5rem;
  font-size: 1.6rem;
}

.cs-table caption {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-mute);
  text-align: left;
  padding-bottom: 1.4rem;
}

.cs-table th,
.cs-table td {
  text-align: left;
  padding: 1.3rem 1.6rem 1.3rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.6;
}

.cs-table th {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.cs-table td {
  color: var(--ink-body);
}

.cs-table tr:last-child td {
  border-bottom: 0;
}

/* Foot of the study */

.cs-next {
  max-width: var(--cs-col);
  margin-top: 6rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--ink-mute);
}

.cs-next a {
  color: var(--ink);
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 2px;
}

.cs-next a:hover {
  border-color: var(--ink);
}

@media (max-width: 700px) {
  .case-study {
    padding-top: 5rem;
  }
  .cs-table {
    font-size: 1.5rem;
  }
  .cs-table th,
  .cs-table td {
    padding: 1.1rem 1rem 1.1rem 0;
  }
}