/* Douzone-style layout — 세로 펼침 (내부 스크롤 없음) */

.vts-story {
  background: #fff;
}

.vts-story__lead {
  padding: 4rem 0 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.vts-story__lead h2 {
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 1.1rem;
  color: var(--color-text);
}

.vts-story__lead p {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
  word-break: keep-all;
}

.vts-story__list {
  padding: 3rem 0 1rem;
  width: 100%;
}

.vts-story__block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: center;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}

.vts-story__block:last-child {
  border-bottom: none;
  padding-bottom: 1rem;
}

.vts-story__copy {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding-left: clamp(1.25rem, 5vw, 4.5rem);
  padding-right: clamp(0.5rem, 1.5vw, 1.25rem);
}

.vts-story__visual {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) + 4px) 0 0 calc(var(--radius-lg) + 4px);
  box-shadow: 0 16px 48px rgba(10, 22, 40, 0.1);
}

.vts-story__block--reverse .vts-story__copy {
  grid-column: 2;
  padding-left: clamp(0.5rem, 1.5vw, 1.25rem);
  padding-right: clamp(1.25rem, 5vw, 4.5rem);
}

.vts-story__block--reverse .vts-story__visual {
  grid-column: 1;
  border-radius: 0 calc(var(--radius-lg) + 4px) calc(var(--radius-lg) + 4px) 0;
}

.vts-story__eyebrow {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.65rem;
}

.vts-story__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 1.1rem;
  color: var(--color-text);
}

.vts-story__title em {
  font-style: normal;
  color: var(--color-primary);
}

.vts-story__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin-bottom: 1.35rem;
  word-break: keep-all;
}

.vts-story__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.vts-story__tags span {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  white-space: nowrap;
}

.vts-story__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: gap 0.2s ease;
}

.vts-story__link:hover {
  gap: 0.55rem;
}

.vts-story__link::after {
  content: "→";
}

.vts-story__visual img,
.vts-story__visual .service-img-placeholder {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 확장 솔루션 */
.vts-story__extensions {
  padding: 4rem 0;
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
}

.vts-story__extensions h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
}

.vts-story__ext-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.vts-story__ext-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.vts-story__ext-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.vts-story__ext-thumb img,
.vts-story__ext-thumb .service-img-placeholder {
  width: 100%;
  min-height: 160px;
  max-height: 180px;
  object-fit: cover;
}

.vts-story__ext-thumb .service-img-placeholder {
  display: flex;
  min-height: 160px;
}

.vts-story__ext-body {
  padding: 1.35rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.vts-story__ext-body h4 {
  font-size: 1.05rem;
  margin-bottom: 0.65rem;
}

.vts-story__ext-body p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  flex: 1;
}

.vts-story__ext-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.vts-story__ext-tags span {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  background: var(--color-bg-subtle);
  border-radius: 4px;
  color: var(--color-text-muted);
}

.vts-story__ext-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.vts-story__ext-link::after {
  content: " →";
}

@media (max-width: 960px) {
  .vts-story__block {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 2rem 0;
  }

  .vts-story__copy,
  .vts-story__block--reverse .vts-story__copy {
    grid-column: 1;
    grid-row: auto;
    padding-left: clamp(1.25rem, 5vw, 2rem);
    padding-right: clamp(1.25rem, 5vw, 2rem);
  }

  .vts-story__visual,
  .vts-story__block--reverse .vts-story__visual {
    grid-column: 1;
    grid-row: auto;
    margin-inline: clamp(1.25rem, 5vw, 2rem);
    border-radius: calc(var(--radius-lg) + 4px);
    aspect-ratio: 16 / 10;
  }

  .vts-story__ext-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .vts-story__extensions {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vts-story__ext-card {
    transition: none;
  }
}