:root {
  color-scheme: light;
  --ink: #10253d;
  --muted: #66768a;
  --line: #dce4ec;
  --bg: #f5f8fb;
  --panel: #ffffff;
  --green: #087f5b;
  --green-soft: #e8f7f1;
  --blue: #2d63dc;
  --amber: #c06a00;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: inherit; text-decoration: none; }
.topbar { height: 72px; padding: 0 max(24px, calc((100vw - 1180px)/2)); display: flex; justify-content: space-between; align-items: center; background: white; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; color: white; background: var(--green); font-weight: 900; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); margin-top: 2px; }
main { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; padding: 64px 0 34px; }
.eyebrow, .section-label { color: var(--green); letter-spacing: .12em; font-size: 12px; font-weight: 800; }
h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.03; letter-spacing: -.045em; max-width: 900px; margin: 12px 0 18px; }
.hero p:last-child { color: var(--muted); line-height: 1.65; font-size: 17px; max-width: 780px; margin: 0; }
.safety { min-width: 210px; display: grid; gap: 7px; background: var(--green-soft); border: 1px solid #b9e1d2; border-radius: 16px; padding: 17px; color: #37695a; font-size: 12px; }
.safety b { color: var(--green); letter-spacing: .08em; }
.tabs { display: flex; gap: 6px; padding: 6px; width: fit-content; border: 1px solid var(--line); background: white; border-radius: 13px; margin-bottom: 16px; }
.tabs button { border: 0; background: transparent; color: var(--muted); padding: 10px 16px; border-radius: 9px; cursor: pointer; font: inherit; font-size: 13px; }
.tabs button.active { background: var(--ink); color: white; }
.view { display: none; }
.view.active { display: block; }
.journey { display: grid; grid-template-columns: 250px 1fr; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: white; box-shadow: 0 16px 50px rgba(34, 61, 86, .06); }
.journey aside { padding: 26px; background: #f0f7f5; border-right: 1px solid #cee4dc; }
.journey ol { list-style: none; padding: 10px 0 0; margin: 0; }
.journey li { display: flex; align-items: center; gap: 11px; color: #729087; padding: 13px 0; }
.journey li b { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: #d7ebe4; font-size: 11px; }
.journey li.current { color: var(--green); font-weight: 700; }
.journey li.current b { color: white; background: var(--green); }
.scenario-card { padding: 34px; }
.demo-chip { display: inline-block; border-radius: 999px; color: #625622; background: #fff6c8; padding: 7px 10px; font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.scenario-card h2 { font-size: 29px; letter-spacing: -.025em; margin: 16px 0 20px; }
.message { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 13px; padding: 13px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: white; background: #65798f; font-weight: 800; }
.message strong, .message small { display: block; }
.message small { color: var(--muted); margin-top: 2px; }
.message > span { color: var(--amber); background: #fff3df; border-radius: 99px; padding: 6px 8px; font-size: 10px; }
.scenario-card > p { color: #3f5267; line-height: 1.65; padding: 18px; border-left: 3px solid #aebdcd; background: #f7f9fb; }
.scenario-card h3 { font-size: 15px; margin-top: 22px; }
.choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.choices label { border: 1px solid var(--line); border-radius: 11px; padding: 12px; font-size: 13px; cursor: pointer; }
.choices input { accent-color: var(--green); margin-right: 8px; }
.primary { border: 0; border-radius: 11px; color: white; background: var(--green); padding: 12px 18px; margin-top: 16px; font: inherit; font-weight: 700; cursor: pointer; }
.feedback { margin-top: 18px; padding: 18px; border-radius: 13px; background: var(--green-soft); border: 1px solid #b9e1d2; }
.feedback > b { color: var(--green); }
.feedback > p { color: #49695e; }
.safe-action { background: white; border-radius: 10px; padding: 12px; color: #48615a; font-size: 13px; }
.safe-action strong { display: block; color: var(--ink); margin-bottom: 4px; }
.admin-head { display: flex; justify-content: space-between; align-items: end; margin: 20px 0 16px; }
.admin-head h2 { font-size: 30px; margin: 6px 0 0; }
.admin-head > span { color: var(--muted); font-size: 12px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-grid article, .chart-card, .next-action { background: white; border: 1px solid var(--line); border-radius: 15px; }
.metric-grid article { padding: 18px; }
.metric-grid span, .metric-grid small { color: var(--muted); }
.metric-grid span { font-size: 12px; }
.metric-grid strong { display: block; font-size: 28px; margin: 9px 0 3px; }
.metric-grid small { font-size: 11px; }
.admin-grid { display: grid; grid-template-columns: 1fr 330px; gap: 12px; margin-top: 12px; }
.chart-card, .next-action { padding: 22px; }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.card-head h3 { margin: 0; }
.card-head span { color: var(--muted); font-size: 10px; }
.bar { margin-top: 21px; }
.bar label { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 7px; }
.bar i { display: block; height: 9px; border-radius: 99px; background: #e9eef3; overflow: hidden; }
.bar em { display: block; height: 100%; background: linear-gradient(90deg, var(--green), #40b68e); border-radius: inherit; }
.next-action { background: #0f293d; color: white; }
.next-action .section-label { color: #72d9b5; }
.next-action h3 { font-size: 24px; margin: 13px 0 10px; }
.next-action p, .next-action li { color: #b8c7d3; line-height: 1.5; font-size: 13px; }
.next-action ul { padding-left: 18px; }
.next-action button { width: 100%; padding: 11px; border-radius: 10px; border: 1px solid #496173; background: #213b4e; color: #9fb0be; }
.method { padding: 54px 0 70px; }
.method > div { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px; }
.method article { border-top: 2px solid #c5d3df; padding-top: 18px; }
.method b { color: var(--green); }
.method h2 { font-size: 16px; margin: 12px 0 7px; }
.method p { color: var(--muted); line-height: 1.55; font-size: 13px; }
footer { text-align: center; padding: 28px; color: var(--muted); border-top: 1px solid var(--line); font-size: 12px; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .safety { width: fit-content; }
  .journey { grid-template-columns: 1fr; }
  .journey aside { border-right: 0; border-bottom: 1px solid #cee4dc; }
  .journey ol { display: grid; grid-template-columns: repeat(4, 1fr); }
  .journey li { display: grid; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-grid { grid-template-columns: 1fr; }
  .method > div { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .topbar { padding: 0 18px; }
  .topbar > a { display: none; }
  main { width: calc(100% - 24px); }
  .hero { padding-top: 40px; }
  .choices, .metric-grid, .method > div { grid-template-columns: 1fr; }
  .scenario-card { padding: 22px; }
  .message { grid-template-columns: auto 1fr; }
  .message > span { grid-column: 2; width: fit-content; }
}