/* Shared case study layout — uses tokens.css + base.css + components.css */

.case-study-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 48px) var(--gutter) 80px;
  color: var(--on-surface-inverse);
  background-size: cover;
  background-position: center 35%;
  overflow: hidden;
}

.case-study-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to top,
      rgba(14, 26, 36, 0.97) 0%,
      rgba(14, 26, 36, 0.9) 42%,
      rgba(14, 26, 36, 0.68) 72%,
      rgba(14, 26, 36, 0.82) 100%
    );
  pointer-events: none;
}

.case-study-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 26, 36, 0.28);
  pointer-events: none;
}

.case-study-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.case-study-hero__title {
  margin-bottom: clamp(16px, 2.5vw, 28px);
  color: var(--on-surface-inverse);
  text-transform: none;
  letter-spacing: -0.03em;
}

.case-study-hero__project {
  max-width: 820px;
  margin: 0 0 clamp(24px, 4vw, 32px);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--tertiary);
}

.case-study-hero__eyebrow {
  display: block;
  margin-bottom: 28px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tertiary);
}

.case-study-hero h1 {
  margin-bottom: clamp(16px, 2.5vw, 28px);
  color: var(--on-surface-inverse);
}

.case-study-hero__sub {
  max-width: 720px;
  margin-bottom: 48px;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.45;
  font-weight: 400;
  color: rgba(247, 250, 252, 0.88);
}

.case-study-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.case-study-hero__meta dt {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(247, 250, 252, 0.5);
}

.case-study-hero__meta dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--on-surface-inverse);
}

.case-block {
  padding: var(--section-pad) 0;
}

.case-block .eyebrow {
  display: block;
  margin-bottom: 22px;
}

.case-block h2 {
  margin-bottom: 28px;
  max-width: 640px;
}

.case-lede {
  max-width: 640px;
  margin-bottom: 22px;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.5;
  color: var(--on-surface-strong);
}

.case-block p {
  max-width: 640px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--on-surface);
}

.case-block--white {
  background: var(--surface-container);
}

.case-block--soft {
  background: var(--surface);
}

.case-block--mist {
  background: var(--surface-soft);
}

/* Brief */
.brief-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.brief-callout {
  margin-top: 36px;
  padding: 22px 26px;
  border-left: 3px solid var(--tertiary);
  background: rgba(48, 199, 232, 0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.brief-callout__label {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--secondary);
}

.brief-callout__val {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--on-surface-strong);
}

.brief-photo {
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(14, 26, 36, 0.18);
}

/* Strategy */
.strategy-head {
  max-width: 800px;
  margin-bottom: 64px;
}

.layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.layer {
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--outline-soft);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.layer:hover {
  transform: translateY(-4px);
  border-color: var(--surface-soft);
  box-shadow: 0 24px 60px rgba(14, 26, 36, 0.12);
}

.layer__num {
  margin-bottom: 18px;
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--surface-soft);
}

.layer h3 {
  margin-bottom: 14px;
  font-size: 26px;
  color: var(--primary);
}

.layer p {
  max-width: none;
  font-size: 15px;
}

.layer__tag {
  display: inline-block;
  margin-top: 22px;
  padding: 7px 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--surface-soft);
  border-radius: 99px;
}

.strategy-foot {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 64px;
  padding: 36px 44px;
  background: var(--surface-strong);
  color: var(--on-surface-inverse);
  border-radius: var(--radius-lg);
}

.strategy-foot__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--tertiary);
  color: var(--surface-strong);
  font-weight: 800;
  font-size: 22px;
}

.strategy-foot__quote {
  font-size: 18px;
  line-height: 1.5;
  color: var(--on-surface-inverse);
}

.strategy-foot__quote strong {
  color: var(--tertiary);
  font-weight: 600;
}

/* Build */
.build-head {
  max-width: 800px;
  margin-bottom: 64px;
}

.apps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.app {
  overflow: hidden;
  background: var(--surface-container);
  border: 1px solid var(--outline-soft);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px rgba(14, 26, 36, 0.14);
}

.app-img {
  aspect-ratio: 1 / 1;
  background-color: #000;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--outline-soft);
}

.app-body {
  padding: 28px 32px 32px;
}

.app__label-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--secondary);
}

.app__pill {
  padding: 5px 10px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--surface-strong);
  background: var(--azul-soft-lime);
  border-radius: 99px;
}

.app h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.15;
  color: var(--primary);
}

.app__what {
  margin-bottom: 18px;
  max-width: none;
  font-size: 15px;
}

.app__role {
  padding-top: 18px;
  border-top: 1px solid var(--outline-soft);
  font-size: 13px;
  line-height: 1.55;
}

.app__role strong {
  font-weight: 700;
  color: var(--on-surface-strong);
}

/* Handoff */
.hw-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 70px);
  align-items: center;
}

.hw-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
  max-width: 480px;
  margin-top: 32px;
}

.hw-list__item {
  padding-top: 14px;
  border-top: 2px solid var(--tertiary);
}

.hw-list__label {
  margin-bottom: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--secondary);
}

.hw-list__val {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--on-surface-strong);
}

.hw-photos {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
}

.hw-photo {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(14, 26, 36, 0.16);
}

/* Gallery */
.case-gallery {
  padding: 80px 0;
  overflow: hidden;
  background: var(--surface-strong);
}

.case-gallery__head {
  max-width: 700px;
  margin: 0 auto 48px;
  padding: 0 var(--gutter);
  text-align: center;
}

.case-gallery__head .eyebrow {
  margin-bottom: 16px;
  color: var(--tertiary);
}

.case-gallery__head h3 {
  font-size: 28px;
  line-height: 1.2;
  color: var(--on-surface-inverse);
}

.case-gallery__strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.case-gallery__img {
  aspect-ratio: 3 / 4;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-md);
}

/* Close */
.case-close {
  padding: var(--section-pad) 0;
  background: var(--surface-strong);
  color: var(--on-surface-inverse);
}

.case-close h2 {
  max-width: 900px;
  margin-bottom: 32px;
  color: var(--on-surface-inverse);
}

.case-close .eyebrow {
  color: var(--tertiary);
}

.case-close .case-lede {
  max-width: 720px;
  margin-bottom: 60px;
  color: rgba(247, 250, 252, 0.88);
}

.caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 0;
}

.cap {
  padding-top: 20px;
  border-top: 2px solid var(--tertiary);
}

.cap__title {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--on-surface-inverse);
}

.cap__desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(247, 250, 252, 0.7);
}

.case-close__cta-band {
  margin-top: 80px;
  padding: clamp(64px, 10vw, 96px) 0;
  background: var(--surface-dark-gray);
}

.case-close__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.case-close__cta .eyebrow {
  display: block;
  margin-bottom: 28px;
}

.case-close__cta .shiny-btn-wrap {
  margin-top: 0;
}

.site-footer {
  padding: 32px var(--gutter);
  text-align: center;
  background: var(--surface-strong);
  color: rgba(247, 250, 252, 0.5);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}

.site-footer a {
  color: rgba(247, 250, 252, 0.75);
  margin-left: 16px;
}

.site-footer a:hover {
  color: var(--tertiary);
}

.case-block h2 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--on-surface-strong);
}

/* More case studies */
.case-more {
  margin-top: 80px;
  padding-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.case-more .eyebrow {
  display: block;
  margin-bottom: 16px;
  color: var(--tertiary);
}

.case-more__title {
  margin-bottom: 36px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--on-surface-inverse);
}

.case-more__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-more-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  color: inherit;
  text-decoration: none;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.case-more-card:hover {
  transform: translateY(-4px);
  border-color: rgba(48, 199, 232, 0.45);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
}

.case-more-card__img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
}

.case-more-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px 26px;
}

.case-more-card__category {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tertiary);
}

.case-more-card__project {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--on-surface-inverse);
}

.case-more-card__cta {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247, 250, 252, 0.55);
  transition: color 0.2s ease;
}

.case-more-card:hover .case-more-card__cta {
  color: var(--tertiary);
}

@media (max-width: 900px) {
  .case-more__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-more {
    margin-top: 64px;
    padding-top: 48px;
  }
}

/* Reveal */
.case-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.case-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .case-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 820px) {
  .brief-grid,
  .hw-grid {
    grid-template-columns: 1fr;
  }

  .brief-photo {
    aspect-ratio: 16 / 12;
  }

  .layers,
  .apps {
    grid-template-columns: 1fr;
  }

  .caps {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-gallery__strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .strategy-foot {
    flex-direction: column;
    padding: 30px 26px;
    text-align: center;
  }

  .case-close__cta-band {
    margin-top: 64px;
  }
}

@media (max-width: 480px) {
  .caps {
    grid-template-columns: 1fr;
  }
}