.grava-page { max-width: 1320px; }
.grava-head { flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 40px; padding-top: clamp(40px, 6vw, 72px); padding-bottom: 36px; }
.eyebrow-divider { padding: 0 10px; color: var(--color-divider); }
.grava-head .page-title { margin-top: 15px; font-size: clamp(72px, 9vw, 112px); }
.title-period { color: var(--color-accent); }
.grava-tagline { margin-top: 8px; font-family: var(--font-heading); font-size: clamp(24px, 3vw, 32px); }
.intro { max-width: 325px; padding-bottom: 5px; color: var(--text-78); font-size: 15px; line-height: 1.8; }
.source-link { display: inline-flex; align-items: center; gap: 14px; margin-top: 16px; font-size: 13px; text-decoration: none; border-bottom: 1px solid var(--color-divider); padding-bottom: 3px; }
.preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; border-top: 1px solid var(--color-divider); padding: 17px 0; }
.preview-heading h2 { font-family: var(--font-body); font-weight: 400; }
.preview-caption { font-size: 12px; color: var(--text-70); }
.playground { display: grid; grid-template-columns: minmax(0, 1fr) 254px; gap: 32px; align-items: stretch; }
.terminal { --terminal-bg: #17191a; --terminal-sand: #e1bc82; --terminal-dim: #9c968c; --terminal-line: #343532; min-width: 0; display: flex; flex-direction: column; background: var(--terminal-bg); color: var(--terminal-dim); border: 1px solid var(--terminal-line); border-radius: 5px; overflow: hidden; font: 12px/1.5 ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace; box-shadow: 0 12px 28px #201f1d12; }
.terminal:focus-visible { outline-offset: 5px; }
.terminal-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 16px; border-bottom: 1px solid var(--terminal-line); }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #6e6860; }
.window-dots i:nth-child(2) { background: #9a825e; }
.window-dots i:nth-child(3) { background: #b9a27c; }
.terminal-command { opacity: .65; }
.run-state { font-size: 10px; color: var(--terminal-sand); }
.sand-stage { display: flex; align-items: center; flex: 1; }
#sand { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; }
.terminal-hud { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--terminal-line); font-size: 10px; }
.terminal-hud b { font-weight: 400; color: var(--terminal-sand); margin-right: 7px; }
.controls { min-width: 0; margin: 0; padding: 0; border: 0; display: flex; flex-direction: column; }
.control-heading { display: flex; justify-content: space-between; align-items: center; padding: 3px 0 15px; border-bottom: 1px solid var(--color-divider); }
.control-index { color: var(--text-70); font-size: 10px; }
.control-block { padding-top: 17px; }
.control-block label, .control-label { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; font-size: 11px; color: var(--color-accent-700); }
.control-block label span, .control-label span { font-size: 13px; color: var(--color-text); }
.control-block output { margin-left: auto; font: 12px ui-monospace, Consolas, monospace; color: var(--color-accent-700); }
.controls select { min-height: 39px; padding-right: 10px; font-size: 13px; border-radius: 2px; }
.controls input[type="range"] { display: block; width: 100%; margin: 14px 0 10px; accent-color: var(--color-accent-700); cursor: pointer; }
.range-labels { display: flex; justify-content: space-between; color: var(--text-70); font-size: 10px; }
.sound-block .btn { width: 100%; min-height: 37px; justify-content: space-between; font-family: var(--font-body); font-size: 12px; }
.sound-block .btn[aria-pressed="true"] { color: var(--color-accent-700); border-color: var(--color-accent); }
.control-hint { margin-top: 7px; color: var(--text-70); font-size: 10px; line-height: 1.6; }
.transport { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; padding-top: 18px; }
.transport .btn { min-height: 40px; }
.controls:disabled { opacity: .5; }
.preview-footnote { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 17px; font-size: 10px; line-height: 1.9; color: var(--text-70); }
kbd { padding: 1px 3px; border: 1px solid var(--color-divider); border-radius: 2px; font: 10px ui-monospace, Consolas, monospace; }
.preview-message { margin-top: 10px; font-size: 12px; color: var(--color-accent-700); }
.preview-message:empty { display: none; }
.project-notes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; margin-top: 45px; padding: 30px 0 40px; border-top: 1px solid var(--color-divider); }
.project-notes .label-caps { font-size: 10px; }
.project-notes h2 { font-size: 26px; margin: 12px 0; }
.project-notes p { color: var(--text-78); font-size: 12px; line-height: 1.9; }
.install code { display: block; margin-top: 13px; padding: 10px 12px; background: var(--color-surface); font: 10px/1.8 ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }
.install .source-link { font-size: 11px; }
.grava-footer { display: flex; justify-content: space-between; gap: 15px; font-size: 11px; padding-bottom: 28px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (min-width: 1400px) { .playground { gap: 42px; grid-template-columns: minmax(0, 1fr) 270px; } }
@media (max-width: 850px) {
  .playground { gap: 22px; grid-template-columns: minmax(0, 1fr) 220px; }
  .grava-head { gap: 25px; }
  .intro { max-width: 270px; font-size: 13px; }
  .project-notes { gap: 22px; }
}
@media (max-width: 680px) {
  .grava-head { align-items: flex-start; flex-direction: column; gap: 20px; }
  .intro { max-width: 42ch; }
  .playground { grid-template-columns: 1fr; }
  .preview-heading { flex-wrap: wrap; gap: 5px; }
  .controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 20px; }
  .control-heading, .transport { grid-column: 1 / -1; }
  .transport { padding-top: 24px; }
  .project-notes { grid-template-columns: 1fr; gap: 28px; margin-top: 30px; }
  .project-notes h2 { margin-top: 8px; }
  .project-notes p { max-width: 58ch; }
  .grava-footer { flex-wrap: wrap; }
}