/* Shell, grid, section rhythm */

.shell {
  width: min(100%, 84rem);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.shell--narrow { width: min(100%, 62rem); }

.section { padding-block: var(--sp-section); position: relative; }
.section--tight { padding-block: clamp(3.75rem, 2.5rem + 4vw, 5.5rem); }

/* A section whose content introduces itself needs no lead-in space above it. */
.section--compact { padding-block: clamp(3.25rem, 2.1rem + 2.6vw, 4rem); }

.section--flush { padding-block: 0 clamp(3rem, 2rem + 4vw, 5.5rem); }

.section-head {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
}

@media (min-width: 56rem) {
  .section-head--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: end;
    gap: var(--sp-7);
  }
}

.section-head p { color: var(--fg-muted); max-width: 46ch; }

/* A hairline that reads as a letterpress rule, not a border */
.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
}

.stack { display: grid; gap: var(--sp-4); }
.stack-lg { display: grid; gap: var(--sp-6); }
.row { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }

.grid-3 {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

/* Hero: type left, the card right */
.hero {
  position: relative;
  min-height: clamp(36rem, 90svh, 54rem);
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + clamp(2rem, 5vw, 4rem));
  padding-bottom: clamp(3rem, 7vw, 6rem);
  isolation: isolate;
}

.split, .hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

@media (min-width: 62rem) {
  .split, .hero__grid { grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr); }
}

.hero__copy { position: relative; z-index: 2; }

.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.stage canvas { width: 100%; height: 100%; display: block; }

.footer {
  padding-block: var(--sp-7) var(--sp-6);
  border-top: 1px solid var(--line);
  background: var(--ink-1000);
  position: relative;
  z-index: 1;
}

.footer__grid {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 48rem) {
  .footer__grid { grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr)); }
}

/* Sections that sit over the 3D stage get their own ground so text stays legible */
.opaque {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, color-mix(in oklab, var(--ink-900) 0%, transparent), var(--ink-900) 6rem, var(--ink-900));
}