/* ============================================
   Case Study Page Styles
   Tracy Lindstrom Portfolio
   ============================================ */

/* Case study pages use a two-column rhythm:
   --cs-text controls the reading column (~75ch for comfort)
   --cs-width controls the image/body container (wider for breathing room) */
:root {
  --cs-width: 800px;  /* body container, images, metrics */
  --cs-text: 640px;   /* reading column — fits ~75ch at body font size */
}

/* Hero */
.cs-hero {
  background: var(--color-cloud-dancer);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

/* Hero text lines up with the centered reading column below */
.cs-hero .container {
  max-width: calc(var(--cs-text) + 2 * var(--space-xl));
}

.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted-on-light);
  margin-bottom: var(--space-xl);
  transition: color var(--transition);
  text-decoration: none;
}
.cs-back:hover { color: var(--color-text-on-light); }

.cs-hero__eyebrow {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-on-light);
  margin-bottom: var(--space-md);
}

.cs-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-text-on-light);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  max-width: 24ch;
}

.cs-hero__summary {
  font-size: 1rem;
  color: var(--color-muted-on-light);
  max-width: 580px;
  line-height: 1.7;
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(122, 78, 110, 0.15);
  margin-top: var(--space-xl);
}

.cs-meta__label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-on-light);
  margin-bottom: 0.4rem;
}
.cs-meta__value {
  font-size: 0.9375rem;
  color: var(--color-text-on-light);
  font-weight: 500;
  line-height: 1.4;
}

/* Cover image — full width, cream bg continues from hero */
.cs-cover {
  background: var(--color-cloud-dancer);
  border-bottom: 4px solid rgba(0,0,0,0.07);
}

.cs-cover img {
  max-width: var(--cs-width);
  margin: 0 auto;
  width: 100%;
  display: block;
  object-fit: contain;
}

/* Body */
.cs-body {
  max-width: var(--cs-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

.cs-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin: var(--space-2xl) auto var(--space-md);
  max-width: var(--cs-text);
  line-height: 1.25;
  padding-top: var(--space-lg);
  border-top: 2px solid var(--color-accent);
  display: block;
}

.cs-body h2:first-of-type {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

.cs-body h3 {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-accent-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: var(--space-lg) auto var(--space-sm);
  max-width: var(--cs-text);
}

.cs-body p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin: 0 auto var(--space-md);
  max-width: var(--cs-text);
}

.cs-body p strong { color: var(--color-text); font-weight: 600; }

.cs-body ul, .cs-body ol {
  padding-left: 1.5rem;
  margin: 0 auto var(--space-md);
  max-width: var(--cs-text);
}

.cs-body li {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 0.5rem;
}

.cs-body li strong { color: var(--color-text); }

/* Metrics bar: evenly spaced columns that fill the full width */
.cs-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl) var(--space-xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(196, 160, 184, 0.3);
  border-bottom: 1px solid rgba(196, 160, 184, 0.3);
  margin-bottom: var(--space-2xl);
}

.cs-metric {
  padding: 0;
  min-width: 0;
}

.cs-metric__value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.05;
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.cs-metric__label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  max-width: 28ch;
}

/* Pull quote */
.cs-pullquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xl) auto;
  background: rgba(160,124,150,0.07);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  max-width: var(--cs-text);
}

.cs-pullquote p {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-style: italic;
  color: var(--color-text);
  margin: 0;
  line-height: 1.6;
  max-width: none;
}

/* Image placeholder */
.cs-image {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.cs-image img { width: 100%; display: block; }

.cs-image figcaption {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: 0.75rem var(--space-md);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.cs-image-placeholder {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--color-accent);
  opacity: 0.45;
  font-size: 0.8125rem;
  font-family: var(--font-body);
}

/* Divider */
.cs-divider {
  border: none;
  margin: var(--space-sm) 0;
}

/* What changed callout */
.cs-callout {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-xl) auto;
  background: color-mix(in srgb, var(--color-accent) 6%, var(--color-surface));
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  max-width: var(--cs-text);
}
.cs-callout__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.cs-callout p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0;
}

/* Prev / Next nav */
.cs-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
  gap: var(--space-md);
}

.cs-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-decoration: none;
  min-width: 0;
}

.cs-nav__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.cs-nav__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Text inside wide blocks (metrics, image captions) should not
   inherit the centered reading-column margins */
.cs-metrics p,
.cs-image p,
.cs-image figcaption p {
  margin-left: 0;
  margin-right: 0;
  max-width: none;
}
.cs-image figcaption p { text-align: center; margin: 0; }

.cs-nav__link:hover .cs-nav__title { color: var(--color-accent-text); }
.cs-nav__link--next { text-align: right; }
.cs-nav__link--next .cs-nav__label { justify-content: flex-end; }

@media (max-width: 600px) {
  .cs-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-lg);
  }
  .cs-nav { flex-direction: column; align-items: flex-start; }
  .cs-nav__link--next { text-align: left; align-self: flex-end; }
  .cs-nav__link--next .cs-nav__label { justify-content: flex-start; }
}

@media (max-width: 380px) {
  .cs-metrics { grid-template-columns: 1fr; gap: var(--space-md); }
}