:root {
  color-scheme: light;
  --ink: #17322c;
  --muted: #526761;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --line: #cedbd6;
  --accent: #d75b35;
  --accent-dark: #96381f;
  --sage: #dcebe2;
  --warn: #fff2cf;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.55; }
body::before { content: ""; display: block; height: 8px; background: var(--accent); }
.hero, main, footer { width: min(1080px, calc(100% - 2rem)); margin-inline: auto; }
.hero { padding: 5rem 0 3rem; }
.eyebrow, .step { color: var(--accent-dark); font-size: .8rem; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase; }
h1 { max-width: 850px; margin: .4rem 0 1rem; font-family: Georgia, serif;
  font-size: clamp(2.5rem, 7vw, 5.4rem); line-height: .98; }
h2 { font-family: Georgia, serif; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.08; }
h3 { margin-bottom: .3rem; }
.lede { max-width: 720px; color: var(--muted); font-size: 1.2rem; }
.boundary, .branch, .result { padding: 1rem 1.2rem; border: 1px solid var(--line);
  border-radius: .8rem; background: var(--panel); }
.boundary { max-width: 760px; border-left: 5px solid var(--accent); }
.privacy { color: var(--muted); font-size: .9rem; }
.button, button { border: 0; border-radius: 999px; padding: .8rem 1.1rem; color: white;
  background: var(--accent-dark); font: inherit; font-weight: 750; cursor: pointer; }
.button { display: inline-block; text-decoration: none; }
.secondary { color: var(--ink); background: var(--sage); }
section { margin: 2rem 0; padding: clamp(1.4rem, 4vw, 3rem); border: 1px solid var(--line);
  border-radius: 1.2rem; background: rgba(255,255,255,.75); }
.grid { display: grid; gap: 1rem; }
.grid article { padding: 1rem; border-radius: .8rem; background: var(--sage); }
.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
fieldset { margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; }
legend { font-weight: 800; }
label { display: inline-flex; align-items: center; gap: .35rem; margin: .4rem 1rem .4rem 0; }
.result { min-height: 4rem; margin-top: 1rem; }
.result[data-outcome="include"] { border-left: 5px solid #287a50; }
.result[data-outcome="manual-review"] { border-left: 5px solid #b27b00; background: var(--warn); }
.result[data-outcome="exclude"] { border-left: 5px solid #a72d2d; }
.branch { margin-top: 1rem; background: var(--warn); }
.option-tabs, .scenario-picker { display: flex; flex-wrap: wrap; gap: .6rem; }
.option-tabs button[aria-selected="true"], .scenario-picker button[aria-pressed="true"] {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.budget-note { color: var(--muted); font-size: .9rem; }
#commissioning-steps { columns: 2; gap: 2rem; }
#commissioning-steps li { break-inside: avoid; margin-bottom: .5rem; }
.status-grid article { border-left: 5px solid var(--accent); background: var(--panel); }
.status-grid span { color: var(--accent-dark); font-size: .78rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .8rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
footer { padding: 2rem 0 4rem; color: var(--muted); font-size: .85rem; }

@media (max-width: 720px) {
  .two, .three { grid-template-columns: 1fr; }
  #commissioning-steps { columns: 1; }
  .hero { padding-top: 3rem; }
}