.planning-sandbox { padding: clamp(3rem, 7vw, 6rem) 0; }
.planning-sandbox-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(20rem, 1.15fr); gap: clamp(2rem, 7vw, 6rem); align-items: center; }
.planning-sandbox h2 { margin: .2rem 0 1rem; font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 500; line-height: 1.05; letter-spacing: -.03em; }
.planning-sandbox p { color: var(--muted); }
.planning-sandbox .button { margin-top: 1rem; }
.planning-sandbox-preview { display: grid; gap: 1rem; }
.planning-sandbox-preview article { padding: 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.planning-sandbox-preview span { color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.planning-sandbox-preview h3 { margin: .25rem 0 .4rem; font-size: 1.2rem; }
.planning-sandbox-preview p { margin: 0; }
@media (max-width: 48rem) { .planning-sandbox-grid { grid-template-columns: 1fr; } }