.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.page-stack {
  display: grid;
  gap: 22px;
  padding: 24px 0 90px;
}

.section {
  display: grid;
  gap: 14px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.section-copy {
  max-width: 70ch;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(9, 11, 17, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-width: 0;
  padding: 14px 0;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  letter-spacing: -0.03em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(255, 125, 48, 0.28), rgba(255, 125, 48, 0.05)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  border: 1px solid rgba(255, 125, 48, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 10px 24px rgba(0, 0, 0, 0.25);
  font-size: 1rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
}

.brand-mark-atlas {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
}

.brand-copy small {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 0;
}

.page-hero {
  display: grid;
  gap: 16px;
  padding: 24px;
  border-radius: calc(var(--radius) + 8px);
  background:
    radial-gradient(circle at top right, rgba(255, 125, 48, 0.15), transparent 26%),
    linear-gradient(140deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.content-grid {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.grid-2,
.grid-3,
.grid-4,
.card-grid {
  display: grid;
  gap: 14px;
}

.split-layout {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .grid-2,
  .split-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .nav-row {
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  }

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

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

  .content-grid.content-grid-wide {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .card-grid.card-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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