:root {
  --teal: #01696F;
  --dark-teal: #0C4E54;
  --orange: #C25E1E;
  --text: #28251D;
  --muted: #7A7974;
  --border: #D4D1CA;
  --bg: #F9F8F5;
  --card: #FFFFFF;
  --warn-bg: #FBF7EE;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ── header ─────────────────────────────────────────────────────── */
.hero {
  background: var(--dark-teal);
  color: #F4F1EA;
  padding: 46px 0 40px;
  border-bottom: 4px solid var(--teal);
}
.hero .kicker {
  margin: 0 0 10px; font-size: 13px; letter-spacing: .09em;
  text-transform: uppercase; color: #9DC3C2;
}
.hero h1 { margin: 0 0 14px; font-size: 44px; line-height: 1.1; font-weight: 700; }
.hero .deck { margin: 0 0 22px; font-size: 19px; max-width: 46em; color: #E6E2D8; }
.hero .byline { margin: 0 0 18px; font-size: 14px; color: #A9C6C4; line-height: 1.5; }
.hero .byline strong { color: #E6E2D8; font-weight: 600; }
.hero .links a {
  display: inline-block; margin-right: 10px; padding: 8px 16px;
  border: 1.5px solid #4E8286; border-radius: 999px;
  color: #E6E2D8; text-decoration: none; font-size: 14px;
}
.hero .links a:hover { background: var(--teal); border-color: var(--teal); }

/* ── sections ───────────────────────────────────────────────────── */
main { padding-bottom: 70px; }
section { padding: 44px 0 8px; border-top: 1px solid var(--border); }
section:first-child { border-top: 0; }
h2 { font-size: 28px; color: var(--dark-teal); margin: 0 0 10px; line-height: 1.2; }
h3 { font-size: 17px; color: var(--dark-teal); margin: 0 0 6px; }
p.intro { margin: 0 0 22px; max-width: 44em; color: #46433B; }
p.small { font-size: 13px; line-height: 1.5; }
.muted { color: var(--muted); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.two p { margin: 0 0 14px; }

/* ── stat tiles ─────────────────────────────────────────────────── */
.tiles {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 34px;
}
.tile {
  background: var(--card); border: 1.5px solid var(--border); border-radius: 14px;
  padding: 22px 16px; text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.tile .big { font-size: 34px; font-weight: 700; color: var(--teal); line-height: 1.1; }
.tile .lab { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.45; }

.why { background: var(--card); border: 1.5px solid var(--border); border-radius: 14px; padding: 24px; }
.why h2 { font-size: 20px; margin-bottom: 14px; }

/* ── buttons ────────────────────────────────────────────────────── */
.btn {
  font: inherit; font-size: 14px; padding: 8px 16px; width: 104px; text-align: center;
  border: 1.5px solid var(--teal); background: var(--teal); color: #fff;
  border-radius: 999px; cursor: pointer;
}
.btn.ghost { background: var(--card); color: var(--teal); }
.seg { display: flex; gap: 0; }
.seg button {
  font: inherit; font-size: 13.5px; padding: 8px 10px;
  width: 132px; text-align: center;
  border: 1.5px solid var(--border); background: var(--card); color: var(--text);
  cursor: pointer;
}
.seg button:first-child { border-radius: 999px 0 0 999px; }
.seg button:last-child { border-radius: 0 999px 999px 0; }
.seg button + button { border-left: 0; }
.seg button.on { background: var(--teal); border-color: var(--teal); color: #fff; }

/* ── map + chart cards ──────────────────────────────────────────── */
.mapcard, .chartcard {
  background: var(--card); border: 1.5px solid var(--border); border-radius: 14px;
  padding: 16px; margin-bottom: 26px;
}
.maptop {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  justify-content: space-between; margin-bottom: 14px;
}
.decadebar { display: flex; align-items: center; gap: 12px; }
.decadebar input[type=range] { width: 220px; accent-color: var(--teal); }
.decadebar output {
  font-variant-numeric: tabular-nums; font-weight: 700; font-size: 19px;
  color: var(--dark-teal); width: 3.4em; text-align: center;
}
.mapholder { position: relative; }
#cv { width: 100%; display: block; border-radius: 10px; background: #FDFCFA; cursor: grab; }
#cv.dragging { cursor: grabbing; }
#choro { width: 100%; display: block; }
.chartholder { width: 100%; }
.chartholder svg { width: 100%; display: block; }
.chartholder.tall svg { min-height: 380px; }
.mapfoot {
  display: flex; justify-content: space-between; gap: 16px;
  font-size: 12.5px; color: var(--muted); margin-top: 10px; flex-wrap: wrap;
}
#reset-zoom { position: absolute; right: 10px; top: 10px; }

.legend {
  position: absolute; left: 12px; bottom: 10px;
  display: flex; gap: 14px; align-items: center;
  font-size: 12.5px; background: rgba(255,255,255,.88);
  padding: 5px 10px; border-radius: 999px; border: 1px solid var(--border);
}
.legend .sw { width: 11px; height: 11px; border-radius: 50%; display: inline-block; margin-right: 5px; }
.legend .sw.whole { background: var(--teal); }
.legend .sw.split { background: var(--orange); }

.tip {
  position: absolute; pointer-events: none; z-index: 5;
  background: #1F2C2E; color: #F2EFE8; border-radius: 8px;
  padding: 8px 11px; font-size: 12.5px; line-height: 1.45; max-width: 240px;
  box-shadow: 0 4px 14px rgba(0,0,0,.22);
}
.tip b { color: #fff; }

/* ── callouts ───────────────────────────────────────────────────── */
.callout {
  background: var(--card); border: 1.5px solid var(--border);
  border-left: 4px solid var(--teal); border-radius: 12px;
  padding: 20px 22px; margin-bottom: 26px;
}
.callout.warn { border-left-color: var(--orange); background: var(--warn-bg); }
.callout p { margin: 0 0 12px; max-width: 48em; }

/* ── city finder ────────────────────────────────────────────────── */
.searchrow { position: relative; max-width: 460px; margin-bottom: 16px; }
#q {
  width: 100%; padding: 12px 14px; font: inherit;
  border: 1.5px solid var(--border); border-radius: 10px; background: var(--card);
}
#q:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.suggest {
  position: absolute; z-index: 10; left: 0; right: 0; top: 100%;
  background: var(--card); border: 1.5px solid var(--border); border-radius: 10px;
  margin-top: 4px; max-height: 280px; overflow-y: auto;
}
.suggest div { padding: 9px 13px; cursor: pointer; font-size: 14.5px; }
.suggest div:hover, .suggest div.sel { background: #EAF2F0; }
.suggest .st { color: var(--muted); font-size: 13px; }

.featured { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.featured button {
  font: inherit; text-align: left; cursor: pointer;
  background: var(--card); border: 1.5px solid var(--border); border-radius: 12px;
  padding: 14px; color: var(--text);
}
.featured button:hover { border-color: var(--teal); }
.featured b { display: block; color: var(--dark-teal); margin-bottom: 4px; }
.featured span { font-size: 12.5px; color: var(--muted); line-height: 1.45; }

.citycard {
  background: var(--card); border: 1.5px solid var(--border); border-radius: 14px; padding: 22px;
}
.citycard h3 { font-size: 22px; margin-bottom: 2px; }
.citycard .sub { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.citycard .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.timeline { display: flex; gap: 6px; }
.timeline .cell {
  flex: 1 1 0; text-align: center; border-radius: 8px; padding: 9px 2px;
  background: #EAF2F0; border: 1.5px solid transparent;
}
.timeline .cell.split { background: #F7E7D9; }
.timeline .cell .d { font-size: 11.5px; color: var(--muted); }
.timeline .cell .n { font-size: 17px; font-weight: 700; color: var(--dark-teal); }
.timeline .cell.split .n { color: var(--orange); }
.citycard .note { font-size: 13px; color: var(--muted); margin-top: 10px; }

/* ── tables ─────────────────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 13.5px; }
.tbl th, .tbl td { text-align: center; padding: 7px 8px; border-bottom: 1px solid var(--border); }
.tbl th { color: var(--dark-teal); font-weight: 600; border-bottom: 2px solid var(--teal); }
.tbl td.neg { color: var(--orange); }
.tbl td.pos { color: var(--teal); }

/* ── size cards ─────────────────────────────────────────────────── */
.sizegrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 22px; }
.sizegrid .tile .big { font-size: 30px; }

/* ── calculator ─────────────────────────────────────────────────── */
.calcbox {
  background: var(--card); border: 1.5px solid var(--border); border-radius: 14px;
  padding: 24px; display: grid; grid-template-columns: 120px 1fr 260px;
  gap: 18px; align-items: center;
}
.calcbox label { font-weight: 600; color: var(--dark-teal); }
.calcbox input[type=range] { width: 100%; accent-color: var(--teal); }
.calcout { text-align: center; }
.calcout .big { font-size: 30px; font-weight: 700; color: var(--teal); line-height: 1.2; }

/* ── caveats ────────────────────────────────────────────────────── */
.cav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cav article {
  background: var(--card); border: 1.5px solid var(--border); border-radius: 12px; padding: 18px 20px;
}
.cav p { margin: 0; font-size: 14.5px; }

#coverage { margin: 8px 0 0; padding-left: 20px; font-size: 14px; color: #46433B; }

/* ── charts ─────────────────────────────────────────────────────── */
.axis text { fill: var(--muted); font-size: 11.5px; }
.axis line, .axis path { stroke: var(--border); }
.gridline { stroke: #EDEAE3; }
.zeroline { stroke: #B9B5AC; stroke-dasharray: 3 3; }
.serieslabel { font-size: 12px; font-weight: 600; }

@media (max-width: 900px) {
  .tiles, .featured { grid-template-columns: repeat(2, 1fr); }
  .two, .cav, .citycard .grid { grid-template-columns: 1fr; }
  .sizegrid { grid-template-columns: 1fr; }
  .calcbox { grid-template-columns: 1fr; }
  .hero h1 { font-size: 33px; }
}