/* ============================================================
   THE BLUEPRINT AGENCY — CASE STUDY PAGES
   Extends style.css — reuses all existing tokens.
   No new design tokens. Cream bg, ink text, coral/peri/sage.
   ============================================================ */

/* ---- page rhythm ---- */
.case-page { padding-bottom: 0; }
.case-section { padding: var(--section-y) 0; }
.case-section--tight { padding: clamp(3rem, 6vw, 5rem) 0; }

/* ============================================================
   1. HERO
   ============================================================ */
.case-hero { padding: clamp(2rem, 5vw, 4rem) 0 0; }
.case-hero__inner { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

.breadcrumb {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--sans); font-size: .72rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2);
  margin: 0 0 clamp(1.6rem, 4vw, 2.6rem);
  transition: color var(--ti);
}
.breadcrumb .crumb-sep { color: var(--coral); }
a.breadcrumb:hover { color: var(--ink); }
a.breadcrumb:hover .crumb-arrow { transform: translateX(-3px); }
.breadcrumb .crumb-arrow { display: inline-block; transition: transform var(--ti); }

.case-hero__headline {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(2.8rem, 8.5vw, 7rem);
  line-height: 0.95; letter-spacing: -0.035em;
  margin: 0; max-width: 16ch;
  font-variation-settings: "SOFT" 50, "opsz" 144;
}
.case-hero__headline em { font-style: italic; font-weight: 500; color: var(--coral-deep); }

.case-hero__sub {
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  font-family: var(--serif); font-style: italic; font-weight: 400;
  color: var(--ink-2); max-width: 40ch;
}

/* meta strip */
.case-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
  margin: clamp(2.2rem, 5vw, 3.4rem) 0 clamp(2.4rem, 5vw, 3.6rem);
  padding-top: clamp(1.6rem, 3vw, 2.2rem);
  border-top: 1px solid var(--border);
}
.case-meta__label {
  display: block; font-size: .68rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--coral-deep);
  margin: 0 0 .55rem;
}
.case-meta__val { font-family: var(--serif); font-weight: 600; font-size: clamp(1rem, 1.8vw, 1.25rem); letter-spacing: -0.01em; line-height: 1.25; margin: 0; }

/* full-bleed hero image */
.case-hero__media {
  margin-top: clamp(1rem, 2vw, 1.5rem);
  width: 100%; overflow: hidden; border-radius: 0;
  aspect-ratio: 16 / 9; background: var(--cream-2);
}
.case-hero__media img { width: 100%; height: 120%; object-fit: cover; will-change: transform; }

/* ============================================================
   2. OVERVIEW / SNAPSHOT
   ============================================================ */
.snapshot__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
.snapshot__h {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
}
.snapshot__p { color: var(--ink-2); font-size: clamp(1rem, 1.4vw, 1.12rem); margin: 0; max-width: 46ch; }
.did-list { list-style: none; margin: 0; padding: 0; }
.did-list li {
  position: relative; padding: .85rem 0 .85rem 1.7rem;
  border-bottom: 1px solid var(--border); color: var(--ink);
  font-size: clamp(.98rem, 1.3vw, 1.08rem);
}
.did-list li:first-child { border-top: 1px solid var(--border); }
.did-list li::before {
  content: ""; position: absolute; left: 0; top: 1.35em;
  width: .55rem; height: .55rem; border-radius: 2px; background: var(--coral);
}

/* ============================================================
   3. STRATEGY — magazine spread
   ============================================================ */
.strategy { background: var(--cream-2); }
.strategy__grid {
  display: grid; grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 6vw, 5rem); align-items: center;
}
.strategy__body p {
  color: var(--ink-2); font-size: clamp(1.02rem, 1.45vw, 1.18rem);
  margin: 0 0 1.3rem; max-width: 52ch;
}
.strategy__body p:last-child { margin-bottom: 0; }
.pull-quote {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem); line-height: 1.12; letter-spacing: -0.02em;
  color: var(--ink); margin: clamp(1.8rem, 4vw, 2.6rem) 0 0;
  padding-left: 1.4rem; border-left: 3px solid var(--coral);
  font-variation-settings: "opsz" 100;
}
.strategy__media { overflow: hidden; border-radius: 16px; aspect-ratio: 4 / 5; background: var(--cream); }
.strategy__media img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   4. DELIVERABLES GRID — what we built
   ============================================================ */
.builds__grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: clamp(1rem, 2.2vw, 1.8rem);
}
.build {
  position: relative; display: flex; flex-direction: column;
}
.build__media {
  overflow: hidden; border-radius: 12px; background: var(--cream-2);
  position: relative;
}
.build__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 600ms var(--ease-out);
}
.build__media::after {
  content: ""; position: absolute; inset: 0; background: var(--coral);
  mix-blend-mode: multiply; opacity: 0; transition: opacity var(--ti);
}
.build:hover .build__media img { transform: scale(1.05); }
.build:hover .build__media::after { opacity: .1; }
.build__cap {
  margin: .8rem 0 0; font-size: .9rem; color: var(--ink-2);
  opacity: .85; transition: opacity var(--ti), transform var(--ti);
}
.build:hover .build__cap { opacity: 1; transform: translateY(-1px); }

/* spans (asymmetric) */
.build--wide  { grid-column: span 4; }
.build--wide .build__media  { aspect-ratio: 16 / 10; }
.build--tall  { grid-column: span 2; }
.build--tall .build__media  { aspect-ratio: 3 / 4; }
.build--half  { grid-column: span 3; }
.build--half .build__media  { aspect-ratio: 4 / 3; }
.build--third { grid-column: span 2; }
.build--third .build__media { aspect-ratio: 1 / 1; }

/* ============================================================
   5. RESULTS — big numbers
   ============================================================ */
.results__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.6rem, 3.5vw, 2.6rem);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.result-stat { border-top: 2px solid var(--ink); padding-top: 1.1rem; }
.result-stat__num {
  display: block; font-family: var(--serif); font-style: italic; font-weight: 600;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem); line-height: 1; letter-spacing: -0.03em; color: var(--coral-deep);
}
.result-stat__label { display: block; margin-top: .55rem; font-family: var(--serif); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.result-stat__ctx { display: block; margin-top: .35rem; font-size: .9rem; color: var(--ink-2); }
.results__note { color: var(--ink-2); font-size: clamp(1rem, 1.4vw, 1.12rem); max-width: 64ch; margin: 0; }

/* ============================================================
   6. TESTIMONIAL
   ============================================================ */
.testimonial { background: var(--cream-2); }
.testimonial__inner { max-width: 60rem; margin-inline: auto; text-align: center; }
.testimonial__quote {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(1.7rem, 4.2vw, 3.2rem); line-height: 1.16; letter-spacing: -0.02em;
  margin: 0 0 clamp(1.6rem, 3vw, 2.2rem); color: var(--ink);
  font-variation-settings: "opsz" 110;
}
.testimonial__quote .q-mark { color: var(--coral); font-style: normal; }
.testimonial__by { font-size: .95rem; font-weight: 600; color: var(--ink); letter-spacing: .01em; }
.testimonial__role { color: var(--ink-2); font-weight: 400; }

/* ============================================================
   7. PREV / NEXT
   ============================================================ */
.casenav { border-top: 1px solid var(--border); }
.casenav__grid { display: grid; grid-template-columns: 1fr 1fr; }
.casenav__item {
  position: relative; display: flex; gap: clamp(1rem, 2vw, 1.6rem); align-items: center;
  padding: clamp(1.8rem, 4vw, 3rem) var(--gutter);
  color: var(--ink); overflow: hidden;
}
.casenav__item--next { justify-content: flex-end; text-align: right; flex-direction: row-reverse; border-left: 1px solid var(--border); }
.casenav__thumb {
  flex: none; width: clamp(64px, 9vw, 104px); aspect-ratio: 1/1;
  border-radius: 10px; overflow: hidden; background: var(--cream-2);
}
.casenav__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms var(--ease-out); }
.casenav__item:hover .casenav__thumb img { transform: scale(1.08); }
.casenav__dir { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--coral-deep); margin-bottom: .35rem; }
.casenav__dir .nav-arrow { display: inline-block; transition: transform var(--ti); }
.casenav__item--prev:hover .nav-arrow { transform: translateX(-4px); }
.casenav__item--next:hover .nav-arrow { transform: translateX(4px); }
.casenav__client { font-family: var(--serif); font-weight: 600; font-size: clamp(1.15rem, 2.4vw, 1.7rem); letter-spacing: -0.02em; line-height: 1.05; }
.casenav__sector { font-size: .85rem; color: var(--ink-2); margin-top: .25rem; }

/* ============================================================
   8. CTA STRIP
   ============================================================ */
.case-cta { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.case-cta__inner {
  background: var(--ink); color: var(--cream); border-radius: 22px;
  padding: clamp(2.2rem, 5vw, 4rem);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.8rem;
}
.case-cta__h {
  font-family: var(--serif); font-weight: 600; font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.05; letter-spacing: -0.02em; margin: 0; max-width: 22ch;
}
.case-cta__h em { font-style: italic; font-weight: 500; color: var(--coral); }
.case-cta .btn { flex: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .snapshot__grid,
  .strategy__grid { grid-template-columns: 1fr; }
  .strategy__media { aspect-ratio: 16 / 11; max-height: 420px; }

  .case-meta { grid-template-columns: 1fr 1fr; gap: 1.4rem; }

  .builds__grid { grid-template-columns: repeat(2, 1fr); }
  .build--wide, .build--half { grid-column: span 2; }
  .build--tall, .build--third { grid-column: span 1; }
  .build--wide .build__media { aspect-ratio: 16 / 10; }

  .results__grid { grid-template-columns: 1fr 1fr; gap: 1.6rem 1.4rem; }

  .casenav__grid { grid-template-columns: 1fr; }
  .casenav__item--next { border-left: 0; border-top: 1px solid var(--border); flex-direction: row; text-align: left; justify-content: flex-start; }

  .case-cta__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .case-meta { grid-template-columns: 1fr; }
  .builds__grid { grid-template-columns: 1fr; }
  .build--wide, .build--half, .build--tall, .build--third { grid-column: span 1; }
  .build__media { aspect-ratio: 4 / 3 !important; }
  .results__grid { grid-template-columns: 1fr; }
  .case-hero__media { aspect-ratio: 4 / 3; }
}


/* ============================================================
   REEL (autoplaying video showcase in case study)
   ============================================================ */
.reel { padding: clamp(2rem, 5vw, 4rem) 0; }
.reel__wrap { position: relative; overflow: hidden; border-radius: 18px; background: var(--cream-2); }
.reel__wrap video, .reel__wrap img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 16 / 9; }
.reel__wrap--pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 2vw, 1.6rem); background: none; }
.reel__wrap--pair > .reel-item { position: relative; overflow: hidden; border-radius: 14px; background: var(--cream-2); }
.reel__cap {
  margin: 1rem 0 0; font-size: .82rem; color: var(--ink-2);
  letter-spacing: .04em; text-transform: uppercase; font-weight: 600;
}

/* Play badge on reel */
.reel__badge {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: var(--sans); font-size: .68rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: #fff; background: oklch(0.18 0.015 60 / 0.72);
  padding: .5em .85em; border-radius: 100px;
  backdrop-filter: blur(6px);
}
.reel__badge::before {
  content: ""; width: 0; height: 0;
  border-left: 6px solid var(--coral);
  border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}

@media (max-width: 720px) {
  .reel__wrap--pair { grid-template-columns: 1fr; }
}

/* ============================================================
   INLINE RECEIPTS (proof strip inside case page)
   ============================================================ */
.case-receipts { padding: clamp(3rem, 6vw, 5rem) 0; }
.case-receipts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(1.2rem, 2.5vw, 2rem);
}
.case-receipt {
  margin: 0;
  display: flex; flex-direction: column; gap: .75rem;
  transition: transform 400ms var(--ease-out);
}
.case-receipt img {
  width: 100%; aspect-ratio: 9 / 16; object-fit: cover; object-position: center top;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--cream-2);
  box-shadow: 0 22px 44px oklch(0.18 0.015 60 / 0.16),
              0 3px 8px  oklch(0.18 0.015 60 / 0.10);
}
.case-receipt figcaption {
  font-family: var(--sans); font-weight: 600; font-size: .82rem;
  text-align: center; color: var(--ink); letter-spacing: .01em;
}
.case-receipt__num { display: block; font-family: var(--serif); font-style: italic; font-weight: 600; font-size: 1.6rem; color: var(--coral-deep); line-height: 1; margin-bottom: .3rem; }
.case-receipt:hover { transform: translateY(-6px); }