.usecase-landing {
  background: var(--surface-1);
}

.usecase-hero {
  padding-top: calc(70px + 40px);
  background:
    radial-gradient(circle at 80% 15%, var(--color-accent-soft), transparent 38%),
    linear-gradient(180deg, var(--surface-0), var(--surface-1));
}

.usecase-hero-grid,
.usecase-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}

.usecase-promise {
  max-width: 720px;
  margin: 14px 0 28px;
  color: var(--text-main);
  font-size: clamp(14px, 3.6vw, 20px);
  line-height: 1.08;
}

.usecase-solution-title {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: clamp(24px, 1.7vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.usecase-label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.usecase-specific-title {
  max-width: 760px;
  margin: 0 0 16px;
  color: var(--text-main);
  font-size: clamp(30px, 3.3vw, 46px);
  line-height: 1.08;
}

.usecase-lead {
  max-width: 720px;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.5;
}

.usecase-hero-highlights,
.usecase-benefits ul {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.usecase-hero-highlights li,
.usecase-benefits li {
  position: relative;
  margin: 12px 0;
  padding-left: 26px;
  color: var(--text-muted);
}

.usecase-hero-highlights li::before,
.usecase-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.usecase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.usecase-hero-media {
  margin: 0;
}

.usecase-hero-media img {
  display: block;
  width: 100%;
  max-height: 620px;
  object-fit: cover;
  border: 1px solid var(--border-soft);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-2);
}

.usecase-content-section,
.usecase-gallery-section,
.usecase-testimonial-section {
  background: var(--surface-1);
}

.usecase-content-grid {
  align-items: start;
}

.usecase-story h2,
.usecase-benefits h2,
.usecase-gallery-section h2,
.usecase-final-cta h2 {
  margin-top: 8px;
}

.usecase-story p {
  max-width: 780px;
  margin-bottom: 18px;
  line-height: 1.75;
}

.usecase-benefits {
  position: sticky;
  top: 100px;
}

.usecase-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.usecase-gallery figure {
  margin: 0;
  padding: 14px;
}

.usecase-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: calc(var(--card-radius) - 8px);
}

.usecase-gallery figcaption {
  padding: 14px 4px 4px;
  color: var(--text-muted);
}

.usecase-testimonial {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.usecase-testimonial blockquote {
  margin: 0;
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.4;
}

.usecase-testimonial figcaption {
  margin-top: 20px;
  color: var(--text-muted);
}

.usecase-final-cta {
  background: var(--surface-0);
}

.usecase-final-cta-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
}

.usecase-final-cta-inner p {
  max-width: 720px;
}

.usecase-bottom-navigation {
  padding-top: 0;
  text-align: center;
}

.usecase-bottom-navigation a {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
}

.usecase-bottom-navigation a:hover {
  color: var(--accent);
}

.usecase-not-found {
  min-height: 65vh;
  padding-top: calc(70px + 40px);
}

.usecase-not-found-list {
  margin-top: 64px;
}

.usecase-not-found-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.usecase-not-found-card {
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-1);
  color: inherit;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.usecase-not-found-card:hover {
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-2);
  transform: translateY(-3px);
}

.usecase-not-found-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--text-main);
}

.usecase-not-found-card p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-muted);
}

.usecase-not-found-card span {
  margin-top: auto;
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 900px) {
  .usecase-hero-grid,
  .usecase-content-grid {
    grid-template-columns: 1fr;
  }

  .usecase-benefits {
    position: static;
  }

  .usecase-final-cta-inner {
    display: block;
  }
}

@media (max-width: 600px) {
  .usecase-hero {
    padding-top: calc(70px + 28px + env(safe-area-inset-top, 0px));
  }

  .usecase-not-found {
    padding-top: calc(70px + 28px + env(safe-area-inset-top, 0px));
  }

  .usecase-gallery {
    grid-template-columns: 1fr;
  }

  .usecase-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .usecase-actions .btn,
  .usecase-actions .btn-secondary {
    width: 100%;
    text-align: center;
  }
}