.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4.5rem, 10vw, 9rem) clamp(5rem, 10vw, 8rem);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -8rem;
  top: 6rem;
  width: 25rem;
  height: 25rem;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--primary-soft) 88%, transparent), transparent 70%);
  opacity: 0.7;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: clamp(3rem, 7vw, 6rem);
}

.hero-copy {
  max-width: 44rem;
}

.hero-copy > p {
  max-width: 39rem;
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero .status-badge {
  margin-bottom: var(--space-4);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 12% -4% -8% 8%;
  border-radius: 1.5rem;
  background: var(--primary-soft);
}

.hero .app-frame {
  transform: rotate(-1.2deg);
}

.problem-grid,
.world,
.audience-grid,
.development-grid,
.interest-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.hero-grid > *,
.problem-grid > *,
.world > *,
.story-grid > *,
.audience-grid > *,
.development-grid > *,
.interest-grid > *,
.showcase-grid > * {
  min-width: 0;
}

.problem-statement {
  max-width: 54rem;
  font-family: var(--font-editorial);
  font-size: clamp(1.55rem, 3.5vw, 2.65rem);
  line-height: 1.25;
  color: var(--text-primary);
}

.problem-aside {
  display: grid;
  grid-template-columns: 2px 1fr;
  gap: 1rem;
  align-self: end;
  max-width: 29rem;
}

.world {
  align-items: center;
  padding-block: clamp(4rem, 8vw, 7rem);
  border-top: 1px solid var(--border-default);
}

.world:last-child {
  border-bottom: 1px solid var(--border-default);
}

.world-copy p {
  max-width: 34rem;
}

.world-kicker {
  margin-bottom: 0.75rem;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.world ul,
.audience-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.world li,
.audience-list li {
  display: grid;
  grid-template-columns: 2px 1fr;
  gap: 0.75rem;
  padding-block: 0.55rem;
  color: var(--text-secondary);
}

.world li::before,
.audience-list li::before {
  content: "";
  min-height: 1.35rem;
  border-radius: 999px;
  background: var(--border-strong);
}

.story-section {
  background: var(--bg-subtle);
}

.story-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.showcase-grid {
  display: grid;
  gap: 1rem;
  margin-top: var(--space-5);
}

.showcase-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
}

.showcase-card .app-frame__body {
  min-height: 18rem;
}

.showcase-card h3 {
  margin-top: 1rem;
  margin-bottom: 0.35rem;
}

.showcase-card p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.audience-section {
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
}

.audience-panel {
  padding: clamp(1.25rem, 3vw, 2rem) 0;
  border-bottom: 1px solid var(--border-default);
}

.audience-panel:last-child {
  border-bottom: 0;
}

.audience-panel span {
  display: inline-block;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.development-card {
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
}

.development-card .status-badge {
  margin-bottom: 1.2rem;
}

.interest-section {
  background: var(--primary-soft);
}

.interest-panel {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border-default));
  border-radius: var(--radius-lg);
  background: var(--bg-surface-raised);
}

.interest-form {
  display: grid;
  gap: 1rem;
}

.legal-main {
  min-height: calc(100vh - var(--header-height) - 8rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}

.legal-main article {
  max-width: 50rem;
}

.legal-notice {
  margin-bottom: 2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--warning);
  border-radius: var(--radius-md);
  background: var(--warning-soft);
  color: var(--text-primary);
}

.legal-main h2 {
  margin-top: 2.5rem;
  font-size: 1.6rem;
}

.not-found {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  place-items: center;
  padding: 3rem 0;
  text-align: center;
}

@media (min-width: 48rem) {
  .problem-grid,
  .story-grid,
  .development-grid,
  .interest-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 64rem) {
  .showcase-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .audience-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .audience-panel {
    min-height: 14rem;
    padding: 0 1.5rem;
    border-right: 1px solid var(--border-default);
    border-bottom: 0;
  }

  .audience-panel:first-child {
    padding-left: 0;
  }

  .audience-panel:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .world {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .world:nth-child(even) .world-copy {
    order: 2;
  }

  .world:nth-child(even) .world-visual {
    order: 1;
  }
}

@media (max-width: 30rem) {
  .container {
    width: min(calc(100% - 1.25rem), var(--content-width));
  }

  .button-row .button {
    width: 100%;
  }

  .app-frame__body {
    grid-template-columns: 3rem minmax(0, 1fr);
  }

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

  .ui-sheet-grid .ui-sheet:last-child {
    display: none;
  }

  .preview-row {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .preview-thumb {
    width: 40px;
  }

  .preview-chip {
    grid-column: 2;
    justify-self: start;
  }
}