/* transactions.css — Case Study: Borrower Transactions
   Relies on custom properties and typography classes from style.css.
   Base layout: 1440w Figma frame. */

/* ─── Page shell ─────────────────────────────────────────────────────────── */

.cs-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  background: var(--color-yellow-white);
}

/* ─── Shared label (CONTEXT / PROBLEM / SOLUTION / IMPACT / MY ROLE …) ─── */

.cs-section-label {
  margin: 0;
  font-family: var(--font-family-font-1);
  font-weight: 700;
  font-size: var(--font-size-16);
  line-height: 1.1;
  color: var(--color-black-solid);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ─── Introduction ───────────────────────────────────────────────────────── */

.cs-intro {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding: 120px 40px 0;
}

.cs-intro__title {
  margin: 0;
}

.cs-intro__columns {
  display: flex;
  align-items: flex-start;
  gap: 80px;
}

.cs-intro__left {
  flex: 0 0 545px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cs-intro__right {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

.cs-meta-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cs-meta-values {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-meta-values li {
  font-family: var(--font-family-font-1);
  font-weight: 500;
  font-size: var(--font-size-16);
  line-height: 1.2;
  color: var(--color-yellow-grey-50);
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */

.cs-hero {
  width: 100%;
  padding: 80px 40px 0;
}

.cs-hero__inner {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-yellow-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-hero__img {
  display: block;
  width: 100%;
  height: auto;
}

/* ─── Content wrapper ────────────────────────────────────────────────────── */

.cs-content {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding: 64px 24px 0;
}

/* ─── Section cards ──────────────────────────────────────────────────────── */

.cs-card {
  background: #fafafa;
  border-radius: 16px;
  padding: 40px;
}

.cs-card__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Problem two-column layout */
.cs-card--problem {
  padding: 40px;
}

.cs-problem__cols {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.cs-problem__col-label {
  flex: 0 0 25%;
}

.cs-problem__col-body {
  flex: 0 0 75%;
}

/* ─── Problem list ───────────────────────────────────────────────────────── */

.cs-problem {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cs-problem__heading {
  margin: 0;
  max-width: 652px;
}

.cs-problem__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cs-problem__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-problem__item-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.cs-problem__num {
  font-family: var(--font-family-font-1);
  font-weight: 700;
  font-size: var(--font-size-24);
  line-height: 1.1;
  color: var(--color-yellow-grey-80);
  flex-shrink: 0;
}

.cs-problem__item-title {
  font-family: var(--font-family-font-1);
  font-weight: 700;
  font-size: var(--font-size-24);
  line-height: 1.1;
  color: var(--color-yellow-grey-80);
}

.cs-problem__item-desc {
  margin: 0;
  font-family: var(--font-family-font-1);
  font-weight: 500;
  font-size: var(--font-size-16);
  line-height: 1.2;
  color: var(--color-yellow-grey-50);
  max-width: 678px;
}

/* ─── Image / video containers ───────────────────────────────────────────── */

.cs-img-wrap {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
}

.cs-img-wrap--centered {
  max-width: 1000px;
  align-self: center;
}

.cs-img,
.cs-media-wrap video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.cs-media-wrap {
  border-radius: 16px;
  overflow: hidden;
}

/* ─── Solution intro (no-bg card) ────────────────────────────────────────── */

.cs-solution-intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-radius: 16px;
  padding: 39px 40px 40px;
  max-width: 900px;
  margin: 0 auto;
}

.cs-solution-intro .text-h1 {
  margin: 0;
}

/* ─── Solution 01 — sticky sidebar layout ────────────────────────────────── */

.cs-solution--sidebar {
  display: flex;
  gap: 54px;
  align-items: flex-start;
}

.cs-solution__left {
  flex: 0 0 488px;
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 120px;
}

.cs-solution__num {
  white-space: nowrap;
}

.cs-solution__title {
  margin: 0;
}

.cs-solution__right {
  flex: 0 0 610px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ─── Solution 02 / 03 — stacked layout ─────────────────────────────────── */

.cs-solution--stacked {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cs-solution-intro--numbered {
  padding: 39px 40px 40px;
}

.cs-solution-intro--numbered .cs-solution__title {
  margin-top: 10px;
}

/* ─── 3×2 image grid ─────────────────────────────────────────────────────── */

.cs-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.cs-grid-3__item {
  border-radius: 16px;
  overflow: hidden;
}

.cs-grid-3__item img {
  display: block;
  width: 100%;
  height: auto;
}

/* ─── Impact card ────────────────────────────────────────────────────────── */

.cs-card--impact {
  padding: 80px 40px;
}

.cs-impact {
  display: flex;
  align-items: center;
  gap: 24px;
}

.cs-impact__left {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cs-impact__left .text-h1 {
  margin: 0;
}

.cs-impact__right {
  flex: 0 0 524px;
  border-radius: 16px;
  overflow: hidden;
  height: 600px;
}

.cs-impact__right video {
  display: block;
  width: 524px;
  height: 600px;
  object-fit: cover;
  border-radius: 16px;
}

/* ─── Relevant case studies ──────────────────────────────────────────────── */

.cs-related {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 40px 0 80px;
}

.cs-related__heading {
  margin: 0;
}

.cs-related__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cs-related__card {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cs-related__img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 400px;
}

.cs-related__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-related__hover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.cs-related__img-wrap:hover .cs-related__hover-img {
  opacity: 1;
  animation: hover-zoom 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.cs-related__text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-related__title {
  margin: 0;
  font-family: var(--font-family-font-1);
  font-weight: 700;
  font-size: var(--font-size-24);
  line-height: 1.1;
  color: var(--color-yellow-grey-80);
}

.cs-related__desc {
  margin: 0;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */

/* 1024w */
@media (max-width: 1439px) and (min-width: 1024px) {
  .cs-intro {
    max-width: none;
    padding: 120px 40px 0;
  }

  .cs-content {
    max-width: none;
  }

  .cs-solution__left {
    flex: 0 0 380px;
  }

  .cs-solution__right {
    flex: 1 1 0;
  }
}

/* 768w */
@media (max-width: 1023px) and (min-width: 768px) {
  .cs-intro {
    max-width: none;
    padding: 80px 24px 0;
  }

  .cs-intro__columns {
    flex-direction: column;
    gap: 40px;
  }

  .cs-intro__left {
    flex: none;
    width: 100%;
  }

  .cs-hero {
    padding: 48px 24px 0;
  }

  .cs-content {
    max-width: none;
    padding: 48px 24px 0;
    gap: 48px;
  }

  .cs-solution--sidebar {
    flex-direction: column;
    gap: 32px;
  }

  .cs-solution__left {
    flex: none;
    width: 100%;
    position: static;
    padding-top: 0;
  }

  .cs-solution__right {
    flex: none;
    width: 100%;
  }

  .cs-impact {
    flex-direction: column;
    align-items: stretch;
  }

  .cs-impact__right {
    flex: none;
    width: 100%;
  }

  .cs-related__img-wrap {
    height: 280px;
  }
}

/* 422w (mobile) */
@media (max-width: 767px) {
  .cs-intro {
    padding: 80px 24px 0;
  }

  .cs-intro__columns {
    flex-direction: column;
    gap: 40px;
  }

  .cs-intro__left {
    flex: none;
    width: 100%;
  }

  .cs-intro__right {
    flex-wrap: wrap;
    gap: 24px;
  }

  .cs-hero {
    padding: 40px 24px 0;
  }

  .cs-content {
    padding: 40px 24px 0;
    gap: 40px;
  }

  .cs-card {
    padding: 24px;
  }

  .cs-card--impact {
    padding: 40px 24px;
  }

  .cs-solution-intro {
    padding: 24px;
  }

  .cs-solution--sidebar {
    flex-direction: column;
    gap: 32px;
  }

  .cs-solution__left {
    flex: none;
    width: 100%;
    position: static;
    padding-top: 0;
  }

  .cs-solution__right {
    flex: none;
    width: 100%;
  }

  .cs-grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .cs-impact {
    flex-direction: column;
    align-items: stretch;
  }

  .cs-impact__right {
    flex: none;
    width: 100%;
  }

  .cs-related__grid {
    grid-template-columns: 1fr;
  }

  .cs-related__img-wrap {
    height: 220px;
  }

  .cs-related {
    padding-bottom: 40px;
  }
}