/* Marketing case studies page — extends agency.css */

.cases-page {
  position: relative;
  z-index: 1;
}

.cases-hero {
  padding: clamp(7rem, 14vw, 10rem) 0 clamp(3rem, 6vw, 4rem);
}

.cases-hero__inner {
  max-width: 780px;
}

.cases-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.cases-hero__lead {
  font-size: clamp(1.0625rem, 2vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 2rem;
}

.cases-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Methodology grid */

.cases-method {
  padding-top: clamp(2rem, 5vw, 3rem);
}

.cases-method__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cases-method__card {
  background: var(--bg);
  padding: 2rem;
  transition: background 300ms;
}

.cases-method__card:hover {
  background: var(--bg-elevated);
}

.cases-method__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(28, 28, 36, 0.1);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color 300ms;
}

.cases-method__card:hover .cases-method__num {
  color: var(--accent);
}

.cases-method__card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.cases-method__card p {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.72;
}

/* Case study cards */

.cases-studies {
  padding-top: clamp(4rem, 10vw, 6rem);
}

.cases-list {
  display: grid;
  gap: 2rem;
}

.case-study {
  display: grid;
  grid-template-columns: minmax(240px, 360px) 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(28, 28, 36, 0.04);
  overflow: hidden;
}

.case-study__visual {
  min-height: 280px;
  background: #f3f2ef;
  overflow: hidden;
}

.case-study__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.case-study__body {
  padding: clamp(1.75rem, 3vw, 2.5rem);
}

.case-study__intro {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0.75rem 0 1.5rem;
}

.case-study__intro a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.case-study__blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.case-study__block h4 {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.case-study__block p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.68;
}

/* Principles */

.cases-principles__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.cases-principle {
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.cases-principle h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.cases-principle p {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.72;
}

@media (max-width: 1024px) {
  .cases-method__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-study {
    grid-template-columns: 1fr;
  }

  .case-study__visual {
    min-height: 220px;
    max-height: 280px;
  }

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

@media (max-width: 768px) {
  .cases-method__grid {
    grid-template-columns: 1fr;
  }

  .cases-principles__grid {
    grid-template-columns: 1fr;
  }
}