:root {
  --paper:  #e9eff1;
  --ink:    #10222b;
  --deep:   #0c1c24;
  --slate:  #5b6e75;
  --mute:   #8a9aa0;
  --line:   #d3dde0;
  --hair:   #e6edef;
  --warm:   #c6482b;
  --cool:   #2a6b8f;
  --value:  #4a7c59;
  --price:  #a9761f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.55 Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1320px; margin: 0 auto; padding: 22px 24px 64px; }

/* ---- header ---- */
.bar {
  display: flex; flex-wrap: wrap; gap: 20px;
  align-items: flex-end; justify-content: space-between;
  padding-bottom: 18px; margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--slate); margin-bottom: 7px;
}
h1 { margin: 0; font-size: 30px; font-weight: 600; letter-spacing: -.02em; line-height: 1.05; }
h2 { margin: 0; font-size: 19px; font-weight: 600; }

.label {
  display: block; font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--slate); margin-bottom: 5px;
}
.label.dim { color: #8fb0bc; }
.muted { font-size: 11.5px; color: var(--mute); }

.controls { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }

select, input[type="text"], input[type="number"] {
  padding: 9px 12px; border: 1px solid #cdd8db; border-radius: 8px;
  background: #fff; font: inherit; font-size: 14px; color: var(--ink);
}
select { min-width: 230px; cursor: pointer; }
input[type="number"] { width: 88px; }
.years { display: flex; align-items: center; gap: 6px; color: var(--slate); }

.tabs { display: inline-flex; border: 1px solid #cdd8db; border-radius: 8px; overflow: hidden; background: #fff; }
.tabs button {
  padding: 9px 13px; border: none; border-right: 1px solid var(--hair);
  background: #fff; color: var(--slate); font: 600 13px Arial, sans-serif; cursor: pointer;
}
.tabs button:last-child { border-right: none; }
.tabs button.active { color: #fff; }
.tabs button[data-metric="landings"].active { background: var(--ink); }
.tabs button[data-metric="value"].active    { background: var(--value); }
.tabs button[data-metric="price"].active    { background: var(--price); }

/* ---- layout ---- */
.grid {
  display: grid; gap: 18px; margin-bottom: 18px; align-items: stretch;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 1fr);
}
.stack { display: flex; flex-direction: column; gap: 18px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 18px 14px; box-shadow: 0 1px 2px rgba(16, 34, 43, .04);
  margin-bottom: 18px;
}
.card.tight { padding: 16px; flex: 1; margin: 0; }
.grid .card { margin: 0; display: flex; flex-direction: column; }
.card-head {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: space-between; align-items: baseline; margin-bottom: 8px;
}
.card-foot { padding-top: 10px; margin-top: 10px; border-top: 1px solid var(--hair); }

/* ---- chart furniture ---- */
#chart, #grid { width: 100%; }
#chart svg, #grid svg { display: block; width: 100%; height: auto; }

.legend {
  display: flex; flex-wrap: wrap; align-items: center; gap: 7px 16px;
  margin-top: 7px; font-size: 11.5px; color: var(--slate);
}
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 11px; height: 11px; border-radius: 2px; opacity: .62; }
.swatch.warm { background: var(--warm); }
.swatch.cool { background: var(--cool); }
.rule { width: 16px; height: 3px; border-radius: 2px; background: var(--ink); }

.summary {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
  margin-top: 10px; padding-top: 11px; border-top: 1px solid var(--hair);
}
.summary .k { font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.summary .v { font-size: 14px; font-weight: 600; line-height: 1.2; }
.summary .s { font-size: 10px; color: var(--mute); }

.lagrow {
  display: flex; align-items: center; gap: 14px;
  margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--hair);
}
.lagrow .label { margin: 0; white-space: nowrap; }
.lagrow input[type="range"] { flex: 1; accent-color: var(--cool); }
.ghost {
  font-size: 11px; padding: 5px 10px; border: 1px solid #cdd8db;
  border-radius: 6px; background: #fbfdfd; color: var(--ink); cursor: pointer;
}

/* ---- stat block ---- */
.stat { background: var(--deep); color: #eaf2f4; border-radius: 12px; padding: 18px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.big { font-size: 34px; font-weight: 600; line-height: 1.1; }
.mid { font-size: 18px; font-weight: 600; }
.unit { font-size: 15px; color: #8fb0bc; margin-left: 4px; }
.stat-foot {
  display: flex; align-items: center; gap: 9px;
  margin-top: 14px; padding-top: 13px; border-top: 1px solid #1f3843;
}
.stat-foot .muted { color: #b9cbd2; font-size: 12.5px; }
.tag {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  border: 1px solid #3d545e; font: 600 10px Arial, sans-serif;
  letter-spacing: .06em; text-transform: uppercase;
}

/* ---- table ---- */
.tablewrap { max-height: 460px; overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  position: sticky; top: 0; background: #fff; text-align: left;
  padding: 9px 10px; font: 600 10px Arial, sans-serif;
  letter-spacing: .08em; text-transform: uppercase; color: var(--slate);
  box-shadow: 0 1px 0 var(--hair);
}
td { padding: 8px 10px; border-bottom: 1px solid var(--hair); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f4f8f9; }
tbody tr.selected { background: #eef5f7; font-weight: 600; }
.pill {
  display: inline-block; padding: 2px 7px; border-radius: 999px;
  font: 600 9.5px Arial, sans-serif; letter-spacing: .05em; text-transform: uppercase;
}
.pill.warm { color: var(--warm); background: rgba(198, 72, 43, .09); }
.pill.cool { color: var(--cool); background: rgba(42, 107, 143, .09); }
.check { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--slate); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .summary { grid-template-columns: repeat(2, 1fr); }
}

/* ---- landing ---- */
.lede { max-width: 760px; margin: 34px 0 30px; }
.lede h2 {
  font-size: 30px; font-weight: 600; letter-spacing: -.02em;
  line-height: 1.2; margin: 0 0 14px;
}
.lede p { margin: 0 0 14px; font-size: 16.5px; line-height: 1.65; color: var(--ink); }
.lede p.sub { color: var(--slate); font-size: 15px; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 4px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 20px; border-radius: 9px; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--deep); color: #f2f7f8; }
.btn-primary:hover { background: #16323d; }
.btn-story {
  background: #fff; color: var(--ink); border-color: #cdd8db;
}
.btn-story:hover { border-color: var(--cool); color: var(--cool); }
.btn .arrow { font-size: 17px; line-height: 1; }

.figs { display: flex; flex-wrap: wrap; gap: 30px; margin: 34px 0 8px;
        padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fig .n { font-size: 26px; font-weight: 600; letter-spacing: -.02em; }
.fig .k { font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
          color: var(--slate); margin-top: 3px; }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 22px; margin: 34px 0; }
.cols h3 { margin: 0 0 9px; font-size: 15px; font-weight: 600; }
.cols p, .cols li { font-size: 14px; line-height: 1.6; color: var(--slate); margin: 0 0 8px; }
.cols ul { margin: 0; padding-left: 17px; }

.who { margin: 6px 0 0; }
.who .aud { padding: 16px 0; border-top: 1px solid var(--hair); }
.who .aud:first-child { border-top: none; }
.who .aud b { display: block; font-size: 14px; margin-bottom: 4px; }
.who .aud span { font-size: 14px; color: var(--slate); }

.foot { margin-top: 42px; padding-top: 20px; border-top: 1px solid var(--line);
        font-size: 13px; color: var(--slate); }
.foot a { color: var(--cool); }
.foot .team { margin-bottom: 10px; }

/* ---- cross-page nav ---- */
.topnav {
  display: flex; flex-wrap: wrap; gap: 14px;
  align-items: center; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: 4px;
  font-size: 13px;
}
.topnav a { text-decoration: none; color: var(--slate); transition: color .15s; }
.topnav a:hover { color: var(--cool); }
.topnav a.story {
  padding: 7px 13px; border: 1px solid #cdd8db; border-radius: 8px;
  background: #fff; color: var(--ink);
}
.topnav a.story:hover { border-color: var(--cool); color: var(--cool); }