:root {
  color-scheme: dark;
  --ink: #071425;
  --ink-2: #0d2138;
  --panel: #102943;
  --panel-2: #153654;
  --line: rgba(180, 210, 235, 0.18);
  --text: #f6f9fc;
  --muted: #aebed0;
  --accent: #ffd84d;
  --accent-2: #51e6b0;
  --blue: #6dc3ff;
  --danger: #ff8f7d;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--ink); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 84% 8%, rgba(81, 230, 176, 0.12), transparent 26rem),
    radial-gradient(circle at 8% 92%, rgba(109, 195, 255, 0.11), transparent 30rem),
    var(--ink);
  font-size: 16px;
  line-height: 1.45;
}

button, select { font: inherit; }

.page-shell {
  width: min(1480px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.brand-lockup { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: var(--ink);
  background: var(--accent);
  font-size: 25px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(255, 216, 77, 0.16);
}

.eyebrow, .section-kicker {
  margin: 0 0 3px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2 { margin: 0; line-height: 1.08; }
h1 { font-size: clamp(1.35rem, 2vw, 1.85rem); letter-spacing: -0.03em; }
h2 { font-size: 1.35rem; letter-spacing: -0.02em; }

.benchmark-chip, .active-profile {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  font-size: 0.82rem;
  font-weight: 700;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(560px, 1.45fr);
  gap: 20px;
}

.controls-panel, .results-panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(21,54,84,.94), rgba(13,33,56,.97));
  box-shadow: var(--shadow);
}

.controls-panel { padding: 24px; }
.results-panel { padding: 28px; overflow: hidden; }

.section-heading, .results-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.text-button {
  border: 0;
  padding: 7px 4px;
  color: var(--blue);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.text-button:hover, .text-button:focus-visible { color: #a9ddff; }

.primary-controls, .assumption-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
  margin-top: 22px;
}

.field { position: relative; display: grid; gap: 7px; }
.field > span, .metric-label { color: var(--muted); font-size: 0.86rem; font-weight: 750; }
.field small { position: absolute; right: 12px; bottom: -21px; color: var(--muted); font-size: 0.72rem; }

select {
  width: 100%;
  min-height: 46px;
  padding: 0 38px 0 13px;
  border: 1px solid rgba(177, 207, 232, 0.25);
  border-radius: 12px;
  color: var(--text);
  background-color: #0a1d31;
  outline: none;
  cursor: pointer;
}

select:hover { border-color: rgba(109,195,255,0.58); }
select:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,216,77,0.13); }

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 26px 0 13px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.control-list { display: grid; gap: 9px; }

.metric-control {
  display: grid;
  grid-template-columns: minmax(112px, 1fr) minmax(112px, 0.86fr) minmax(92px, auto);
  align-items: center;
  gap: 10px;
}

.metric-control select { min-height: 42px; }

.performance-badge {
  justify-self: end;
  min-width: 90px;
  padding: 6px 9px;
  border: 1px solid rgba(81,230,176,0.22);
  border-radius: 999px;
  color: var(--accent-2);
  background: rgba(81,230,176,0.08);
  font-size: 0.73rem;
  font-weight: 850;
  text-align: center;
  white-space: nowrap;
}

.pay-total {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
  margin: 26px 0 30px;
  padding: 25px 28px;
  border: 1px solid rgba(255,216,77,0.35);
  border-radius: 20px;
  background:
    linear-gradient(105deg, rgba(255,216,77,0.14), rgba(255,216,77,0.03)),
    #0a1d31;
}

.pay-total span { color: var(--muted); font-size: 0.88rem; font-weight: 700; }
.pay-total strong { display: block; margin-top: 3px; color: var(--accent); font-size: clamp(2.6rem, 6vw, 5rem); line-height: 0.98; letter-spacing: -0.065em; }

.pay-split { display: grid; gap: 7px; min-width: 168px; }
.pay-split span { display: flex; align-items: center; gap: 7px; }
.pay-split b { color: var(--text); font-size: 0.95rem; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.sit-dot { background: var(--blue); }
.install-dot { background: var(--accent-2); }

.funnel {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 10px;
}

.funnel-step {
  min-width: 0;
  padding: 18px 15px;
  border-top: 3px solid var(--blue);
  border-radius: 11px;
  background: rgba(255,255,255,0.045);
}

.funnel-step.final-step { border-top-color: var(--accent-2); background: rgba(81,230,176,0.08); }
.funnel-step.directional { border-top-color: rgba(174,190,208,0.55); }
.funnel-step span, .funnel-step small { display: block; color: var(--muted); }
.funnel-step span { font-size: 0.78rem; font-weight: 800; }
.funnel-step strong { display: block; margin: 9px 0 3px; font-size: clamp(1.65rem, 3vw, 2.25rem); letter-spacing: -0.04em; }
.funnel-step small { font-size: 0.68rem; }
.flow-arrow { align-self: center; color: rgba(109,195,255,.55); font-size: 1.1rem; }

.model-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}

.model-strip > div { padding: 15px 17px; background: #0d2238; }
.model-strip span, .model-strip strong { display: block; }
.model-strip span { color: var(--muted); font-size: 0.74rem; font-weight: 750; }
.model-strip strong { margin-top: 3px; font-size: 0.96rem; }

.methodology { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 16px; }
.methodology summary { width: fit-content; color: var(--blue); font-size: 0.86rem; font-weight: 800; cursor: pointer; }
.notes-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 18px; margin-top: 14px; }
.notes-grid p { margin: 0; color: var(--muted); font-size: 0.78rem; }
.notes-grid strong { color: var(--text); }

@media (max-width: 1060px) {
  .workspace { grid-template-columns: 1fr; }
  .controls-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0 26px; }
  .controls-panel > .section-heading, .controls-panel > .primary-controls { grid-column: 1 / -1; }
  .controls-panel > .divider:nth-of-type(1), .controls-panel > .control-list { grid-column: 1; }
  .controls-panel > .divider:nth-of-type(2), .controls-panel > .assumption-grid { grid-column: 2; }
  .assumption-grid { grid-template-columns: 1fr; margin-top: 0; }
}

@media (max-width: 760px) {
  .page-shell { width: min(100% - 22px, 680px); padding-top: 18px; }
  .site-header { align-items: flex-start; }
  .benchmark-chip { display: none; }
  .controls-panel { display: block; padding: 20px; }
  .results-panel { padding: 20px; }
  .primary-controls, .assumption-grid { grid-template-columns: 1fr; }
  .metric-control { grid-template-columns: 1fr minmax(110px, 0.8fr); }
  .performance-badge { grid-column: 2; justify-self: stretch; margin-top: -4px; }
  .pay-total { align-items: flex-start; flex-direction: column; padding: 21px; }
  .pay-total strong { font-size: 3.3rem; }
  .funnel { grid-template-columns: 1fr 1fr; }
  .flow-arrow { display: none; }
  .funnel-step:last-child { grid-column: 1 / -1; }
  .model-strip, .notes-grid { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  h1 { font-size: 1.18rem; }
  .brand-mark { width: 42px; height: 42px; border-radius: 12px; }
  .funnel { grid-template-columns: 1fr; }
  .funnel-step:last-child { grid-column: auto; }
  .pay-total strong { font-size: 2.85rem; }
}