.container {
  width: min(100% - 2rem, var(--container-width));
  margin: 0 auto;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.section {
  position: relative;
  padding: var(--space-8) 0;
}

.section-sm {
  padding: var(--space-7) 0;
}

.stack {
  display: grid;
  gap: var(--space-6);
}

.stack-sm {
  display: grid;
  gap: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: var(--space-6);
  align-items: start;
}

.content-shell {
  display: grid;
  gap: var(--space-6);
}

.content-limit {
  max-width: var(--content-width);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.section-heading h2 {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
}

.section-heading p {
  max-width: 580px;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.section-copy {
  max-width: 700px;
}

.page-intro {
  padding: clamp(2.5rem, 5vw, 4rem) 0 var(--space-6);
}

.page-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: var(--space-6);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.page-intro-grid.is-single {
  grid-template-columns: minmax(0, 1fr);
}

.page-intro-copy h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin-bottom: var(--space-4);
}

.page-intro-text {
  max-width: 58ch;
  color: var(--color-muted-strong);
  font-size: 1rem;
}

.page-intro-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.page-intro-panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(24, 27, 31, 0.98), rgba(39, 42, 47, 0.96));
  color: var(--color-white);
  box-shadow: var(--shadow-elevated);
}

.page-intro-panel-label {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-intro-points {
  display: grid;
  gap: 0.75rem;
}

.page-intro-points li {
  position: relative;
  padding-left: 1.1rem;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.6;
}

.page-intro-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-brand);
}

@media (max-width: 1180px) {
  .split-layout {
    grid-template-columns: 1fr;
  }

  .page-intro-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 0.75rem, var(--container-width));
  }

  .section {
    padding: var(--space-7) 0;
  }

  .page-intro {
    padding-top: var(--space-6);
  }

  .page-intro-grid {
    padding: var(--space-4);
  }

  .page-intro-copy h1,
  .section-heading h2 {
    font-size: clamp(2rem, 10vw, 2.8rem);
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }
}