/* STUDY — simple 3-column editorial archive */
.study-hero {
  padding: calc(var(--header-height) + 78px) 0 82px;
  border-bottom: 1px solid var(--line);
}

.study-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .52fr);
  gap: clamp(52px, 7vw, 108px);
  align-items: end;
}

.study-hero h1 {
  max-width: 760px;
  margin-top: 18px;
}

.study-hero-copy {
  max-width: 520px;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.75;
}

.study-index {
  padding: 88px 0 132px;
}

.study-index-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 44px;
}

.study-index-head h2 {
  margin-top: 12px;
  font-size: var(--fs-h2, clamp(26px, 2.25vw, 34px));
  font-weight: 510;
  line-height: 1.3;
  letter-spacing: -.038em;
}

.study-index-head > span {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 560;
  letter-spacing: .08em;
}

.study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 38px 22px;
}

.study-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  color: var(--text);
}

.study-card-visual {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 10;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--panel-2);
  background-size: 36px 36px, 36px 36px, auto;
}

.study-card-visual::before,
.study-card-visual::after {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--point) 44%, transparent);
  border-radius: 50%;
  content: '';
  pointer-events: none;
}

.study-card-visual::before {
  width: 46%;
  aspect-ratio: 1;
  transform: translate(-48%, -14%);
}

.study-card-visual::after {
  width: 58%;
  aspect-ratio: 1;
  transform: translate(42%, 22%);
  border-color: color-mix(in srgb, var(--text-muted) 20%, transparent);
}

.study-card-visual strong {
  position: relative;
  z-index: 2;
  color: var(--point);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 540;
  line-height: 1;
  letter-spacing: -.05em;
}

.study-card-body {
  display: flex;
  min-height: 290px;
  flex: 1;
  flex-direction: column;
  padding: 24px 0 0;
}

.study-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 560;
  letter-spacing: .065em;
}

.study-card-top span:first-child {
  color: var(--point);
}

.study-card h3 {
  max-width: 96%;
  margin-top: 24px;
  font-size: var(--fs-h3, clamp(22px, 1.8vw, 28px));
  font-weight: 540;
  line-height: 1.35;
  letter-spacing: -.03em;
}

.study-card p {
  margin-top: 16px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.7;
}

.study-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 12px;
}

.study-card-foot strong {
  color: var(--point);
  font-size: 18px;
  font-weight: 500;
  transition: transform .25s ease;
}

.study-card:hover .study-card-foot strong {
  transform: translate(3px, -3px);
}

@media (max-width: 1000px) {
  .study-hero-grid {
    grid-template-columns: 1fr;
  }

  .study-hero-copy {
    max-width: 680px;
  }

  .study-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .study-hero {
    padding: calc(var(--header-height) + 56px) 0 70px;
  }

  .study-index {
    padding: 72px 0 96px;
  }

  .study-index-head {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 34px;
  }

  .study-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .study-card-body {
    min-height: 0;
  }
}