body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; padding-block: clamp(2.5rem, 6vw, 5rem); }
.tool-intro h1 {
  max-width: 17ch;
  margin: 0;
  font: 900 clamp(2.65rem, 7.4vw, 6.6rem)/.98 var(--display);
  letter-spacing: -.07em;
  overflow-wrap: anywhere;
}
.tool-intro h1 span { text-shadow: .044em .044em var(--acid); }
.tool-intro p { max-width: 51ch; margin: .95rem 0 1.75rem; font-size: clamp(1rem, 2vw, 1.2rem); color: var(--muted); }
.tool-panel { background: #fff; border: 1px solid var(--ink); border-radius: .65rem; padding: clamp(.9rem, 3vw, 2rem); box-shadow: .32rem .32rem var(--acid); }
.tool-panel h2, .platforms h2 { margin: 0; font-family: var(--display); letter-spacing: -.035em; }
.chart-guide { color: var(--muted); margin: .45rem 0 1rem; font-size: .92rem; }
.score-chart { min-height: 25rem; }
.calculator { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.25rem, 3vw, 2.5rem); }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; margin-top: .9rem; }
.fields label { display: grid; grid-template-rows: 1fr auto; gap: .25rem; font-size: .9rem; font-weight: 700; }
.fields input { min-width: 0; width: 100%; min-height: 2.75rem; padding: .45rem .6rem; color: var(--ink); background: var(--paper); border: 1px solid #77717f; border-radius: .25rem; }
.assumption { margin: .85rem 0 0; color: var(--muted); font-size: .85rem; }
.results { min-width: 0; padding: 1rem; border-radius: .35rem; background: var(--ink); color: var(--paper); }
.results h2 { font: .8rem/1.4 var(--mono); }
.results output { display: block; margin: .3rem 0 .8rem; color: var(--acid); font: 900 clamp(2rem, 5vw, 4rem)/1.1 var(--display); letter-spacing: -.055em; overflow-wrap: anywhere; }
.results dl { margin: 0; font-size: .9rem; }
.results dl div { display: flex; justify-content: space-between; gap: .6rem; border-top: 1px solid var(--dark-line); padding-block: .4rem; }
.results dd { margin: 0; text-align: right; font-weight: 700; overflow-wrap: anywhere; }
.results output, .results dd, .savings dd { font-variant-numeric: tabular-nums; }
.savings { margin-top: clamp(2.5rem, 6vw, 4rem); }
.savings h2 { margin: 0; font-family: var(--display); letter-spacing: -.035em; }
.savings p { margin: .5rem 0 1rem; color: var(--muted); }
.savings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; margin: 0; }
.savings-grid div { padding: 1rem; background: #fff; border: 1px solid var(--line); border-top: .25rem solid var(--acid); border-radius: .4rem; }
.savings dt { color: var(--muted); font-size: .87rem; font-weight: 700; }
.savings dd { margin: .3rem 0 0; font: 900 clamp(1.45rem, 3.4vw, 2.8rem)/1.1 var(--display); letter-spacing: -.05em; overflow-wrap: anywhere; }
.platforms { margin-top: 2.5rem; }
.platforms p { max-width: 64ch; color: var(--muted); }
.platforms ul { display: flex; flex-wrap: wrap; gap: .55rem; list-style: none; padding: 0; margin: 0; }
@media (max-width: 46rem) { .calculator { grid-template-columns: 1fr; } }
@media (max-width: 34rem) { .savings-grid { grid-template-columns: 1fr; } }