body {
  display: flex;
  flex-direction: column;
}

.site {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.site-header,
.site-footer {
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  border-bottom: none;
  margin-top: 3rem;
}

.site-header__inner,
.site-footer__inner,
.site-main__inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.site-main {
  flex: 1;
  padding: 2rem 1.5rem 4rem;
}

.banner {
  background: linear-gradient(120deg, rgba(56, 189, 248, 0.2), rgba(14, 165, 233, 0.05));
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.banner strong {
  color: var(--color-primary);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--calculators {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (min-width: 960px) {
  .site-main {
    padding: 4rem 1.5rem 6rem;
  }

  .site-main__inner {
    display: grid;
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: 2.5rem;
  }

  .site-main__inner--single {
    grid-template-columns: minmax(0, 1fr);
  }
}