/* =========================================================
   CASE STUDY TEMPLATE
   Extends css/style.css — same tokens, article-length layout
   ========================================================= */

.case-body { background: var(--cream); }

/* ---------- case navbar ---------- */
.case-navbar {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--cream);
  border-bottom: var(--border-w) solid var(--ink);
}
.case-navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}
.case-back {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: var(--border-w) solid var(--ink);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow-hard-sm);
  transition: transform .15s ease, box-shadow .15s ease;
}
.case-back:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 0 var(--ink); }
.case-navbar__name { font-family: var(--font-display); font-size: 1rem; opacity: .8; }

/* ---------- hero ---------- */
.case-hero { padding: 64px 0 70px; border-bottom: var(--border-w) solid var(--ink); }
.case-hero__eyebrow {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .8rem;
  background: var(--case-accent, var(--coral));
  color: var(--white);
  border: var(--border-w) solid var(--ink);
  border-radius: 999px;
  padding: 6px 16px;
  box-shadow: var(--shadow-hard-sm);
  margin: 0 0 22px;
}
.case-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.12;
  max-width: 900px;
  margin: 0 0 24px;
}
.case-hero__sub {
  font-size: 1.1rem;
  max-width: 720px;
  opacity: .8;
  margin: 0;
}
.case-meta-strip {
  margin-top: 48px;
  padding-top: 28px;
  border-top: var(--border-w) solid var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.case-meta-strip dt {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  opacity: .6;
  margin: 0 0 6px;
}
.case-meta-strip dd { font-weight: 700; margin: 0; }

/* ---------- generic section ---------- */
.case-section { padding: 90px 0; }
.case-section--alt { background: var(--cream-2); }
.case-section__label {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .8rem;
  background: var(--ink);
  color: var(--cream);
  padding: 5px 14px;
  border-radius: 999px;
  margin: 0 0 18px;
}
.case-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.2;
  max-width: 780px;
  margin: 0 0 20px;
}
.case-section__lede {
  font-size: 1.05rem;
  max-width: 720px;
  opacity: .8;
  margin: 0 0 40px;
}
.case-section__body { max-width: 900px; opacity: .85; }

.case-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 24px;
}
.case-two-col p { opacity: .85; }

/* ---------- numbered cards (challenge) ---------- */
.case-card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.case-card {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--white);
  padding: 28px 26px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case-card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 0 var(--ink); }
.case-card__num { font-family: var(--font-display); font-size: 1.1rem; color: var(--case-accent, var(--coral)); }
.case-card h3 { font-family: var(--font-display); font-size: 1.15rem; margin: 14px 0 10px; }
.case-card p { margin: 0; opacity: .8; font-size: .95rem; }

/* ---------- goal rows ---------- */
.case-goal-list { margin-top: 32px; display: flex; flex-direction: column; }
.case-goal {
  display: grid;
  grid-template-columns: 60px 1fr 1.6fr;
  gap: 24px;
  align-items: start;
  padding: 22px 0;
  border-bottom: var(--border-w) dashed var(--ink);
}
.case-goal:first-child { border-top: var(--border-w) dashed var(--ink); }
.case-goal__num { font-family: var(--font-display); font-size: 1.8rem; color: var(--case-accent, var(--coral)); }
.case-goal h3 { font-family: var(--font-display); font-size: 1.1rem; margin: 0; }
.case-goal p { margin: 0; opacity: .8; }

/* ---------- research tags + quotes ---------- */
.case-tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 32px 0; }
.case-tag-row span {
  font-size: .82rem;
  font-weight: 700;
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 7px 16px;
  background: var(--white);
}
.case-insight { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 26px 0; border-top: var(--border-w) dashed var(--ink); }
.case-insight:last-child { border-bottom: var(--border-w) dashed var(--ink); }
.case-insight__quote { font-family: var(--font-display); font-size: 1.15rem; line-height: 1.4; margin: 0; }
.case-insight__resolution strong { display: block; margin-bottom: 8px; }
.case-insight__resolution p { margin: 0; opacity: .8; }

/* ---------- persona split ---------- */
.case-persona-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 32px; }
.case-persona {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: 32px;
  background: var(--white);
}
.case-persona__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  background: var(--case-accent-soft, var(--coral-soft));
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
}
.case-persona h3 { font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 12px; }
.case-persona > p { opacity: .8; margin: 0 0 22px; }
.case-persona ul { display: flex; flex-direction: column; gap: 12px; }
.case-persona li { display: flex; align-items: baseline; gap: 10px; font-weight: 600; font-size: .92rem; }
.case-persona li::before { content: "●"; color: var(--case-accent, var(--coral)); font-size: .6rem; }

/* ---------- design system swatches ---------- */
.case-type-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 32px 0; }
.case-type-card {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--white);
  padding: 30px;
}
.case-type-card .case-aa { font-size: 3.4rem; line-height: 1; margin: 0 0 10px; }
.case-type-card .case-font-name { font-family: var(--font-body); font-weight: 700; margin: 0 0 10px; }
.case-type-card p { opacity: .75; font-size: .9rem; margin: 0 0 10px; }
.case-type-card .case-glyphs { font-size: .82rem; opacity: .55; letter-spacing: .02em; }

.case-palette-label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; opacity: .6; margin: 32px 0 14px; }
.case-swatch-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.case-swatch {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hard-sm);
}
.case-swatch__chip { height: 90px; }
.case-swatch__info { padding: 10px 12px; background: var(--white); }
.case-swatch__info strong { display: block; font-size: .85rem; }
.case-swatch__info span { font-size: .75rem; opacity: .6; font-family: monospace; }

/* ---------- product screens ---------- */
.case-screen-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-top: var(--border-w) dashed var(--ink);
}
.case-screen-row:first-of-type { border-top: none; }
.case-screen-row--reverse { grid-template-columns: 1.4fr 1fr; }
.case-screen-row--reverse .case-screen-row__text { order: 2; }
.case-screen-row__label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  background: var(--ink);
  color: var(--cream);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.case-screen-row h3 { font-family: var(--font-display); font-size: 1.4rem; margin: 0 0 14px; }
.case-screen-row p { opacity: .8; margin: 0; }

.case-browser-frame {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-lg);
  overflow: hidden;
  background: var(--white);
}
.case-browser-frame__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: var(--border-w) solid var(--ink);
  background: var(--cream);
}
.case-browser-frame__bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ink);
  opacity: .25;
}
.case-browser-frame img { display: block; width: 100%; max-height: 520px; object-fit: cover; object-position: top center; }

/* ---------- community grid ---------- */
.case-community-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 32px; }
.case-community-card {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--white);
  overflow: hidden;
}
.case-community-card__shot { border-bottom: var(--border-w) solid var(--ink); }
.case-community-card__shot img { width: 100%; max-height: 320px; object-fit: cover; object-position: top center; }
.case-community-card__body { padding: 20px 22px 26px; }
.case-community-card__label { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; opacity: .55; margin-bottom: 8px; }
.case-community-card h4 { font-family: var(--font-display); font-size: 1.1rem; margin: 0 0 8px; }
.case-community-card p { opacity: .8; margin: 0; font-size: .92rem; }

/* ---------- flow steps ---------- */
.case-flow-layout { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; margin-top: 32px; align-items: center; }
.case-flow-steps { display: flex; flex-direction: column; gap: 0; }
.case-flow-step { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 22px 0; border-top: var(--border-w) dashed var(--ink); }
.case-flow-step:first-child { border-top: none; }
.case-flow-step__num { font-family: var(--font-display); font-size: 1.6rem; color: var(--case-accent, var(--coral)); }
.case-flow-step h3 { font-family: var(--font-display); font-size: 1.05rem; margin: 0 0 8px; }
.case-flow-step p { margin: 0; opacity: .8; font-size: .92rem; }

.case-flow-image {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-lg);
  overflow: hidden;
}
.case-flow-image img { width: 100%; display: block; }

/* ---------- poster spotlight ---------- */
.case-poster-list { display: flex; flex-direction: column; gap: 24px; }
.case-poster-item { padding: 18px 0; border-top: var(--border-w) dashed var(--ink); }
.case-poster-item:first-child { border-top: none; }
.case-poster-item h3 { font-family: var(--font-display); font-size: 1.05rem; margin: 0 0 8px; }
.case-poster-item p { margin: 0; opacity: .8; font-size: .92rem; }

/* ---------- outcomes ---------- */
.case-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; }
.case-stat {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--case-accent-soft, var(--coral-soft));
  padding: 26px 22px;
}
.case-stat strong { display: block; font-family: var(--font-display); font-size: 2.2rem; margin-bottom: 10px; }
.case-stat span { display: block; font-weight: 700; margin-bottom: 6px; }
.case-stat p { margin: 0; font-size: .85rem; opacity: .75; }
.case-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  opacity: .65;
  margin-top: 18px;
}
.case-note::before { content: "●"; color: var(--case-accent, var(--coral)); }

/* ---------- reflection ---------- */
.case-reflection-title { font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2.1rem); max-width: 800px; margin: 0 0 32px; }

/* ---------- footer / nav ---------- */
.case-footer { padding: 80px 0 60px; border-top: var(--border-w) solid var(--ink); background: var(--ink); color: var(--cream); }
.case-footer__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: 40px; }
.case-footer__thanks { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2rem); margin: 0; max-width: 480px; }
.case-footer__contact { text-align: right; }
.case-footer__contact a { font-weight: 700; text-decoration: underline; }
.case-footer__contact span { display: block; font-size: .78rem; opacity: .65; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }

.case-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid rgba(251,243,231,0.25);
  flex-wrap: wrap;
}
.case-nav-footer__link {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: var(--border-w) solid var(--cream);
  border-radius: 8px;
  box-shadow: 4px 4px 0 0 var(--case-accent, var(--coral));
  transition: transform .15s ease, box-shadow .15s ease;
}
.case-nav-footer__link:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 0 var(--case-accent, var(--coral)); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .case-meta-strip { grid-template-columns: repeat(2, 1fr); }
  .case-two-col { grid-template-columns: 1fr; gap: 28px; }
  .case-card-row { grid-template-columns: 1fr; }
  .case-goal { grid-template-columns: 40px 1fr; }
  .case-goal p { grid-column: 1 / -1; }
  .case-insight { grid-template-columns: 1fr; gap: 16px; }
  .case-persona-grid { grid-template-columns: 1fr; }
  .case-type-grid { grid-template-columns: 1fr; }
  .case-swatch-row { grid-template-columns: repeat(2, 1fr); }
  .case-screen-row,
  .case-screen-row--reverse { grid-template-columns: 1fr; }
  .case-screen-row--reverse .case-screen-row__text { order: 0; }
  .case-community-grid { grid-template-columns: 1fr; }
  .case-flow-layout { grid-template-columns: 1fr; }
  .case-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .case-footer__top { flex-direction: column; align-items: flex-start; }
  .case-footer__contact { text-align: left; }
}

@media (max-width: 560px) {
  .case-swatch-row { grid-template-columns: 1fr; }
  .case-stat-grid { grid-template-columns: 1fr; }
}