/* Owlie Energy public site. Plain CSS, light and dark; the chart's colours come from here too. */
:root {
  --bg: #fbfcfc; --surface: #ffffff; --text: #14262b; --muted: #557178; --line: #dfe8ea;
  --brand: #1d6f78; --brand-strong: #13535a; --accent: #6fb5a0; --missing: #b9c7ca; --partial: #9cc9cf;
  --radius: 12px; --wrap: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1a1d; --surface: #13242a; --text: #e5eff1; --muted: #9ab4ba; --line: #24393f;
          --brand: #5fb8c1; --brand-strong: #8ed2d9; --accent: #7cc7b0; --missing: #4b6268; --partial: #3e7d85; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: 1.5rem; margin: 2em 0 .6em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 .5em; }
.top { border-bottom: 1px solid var(--line); background: var(--surface); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-weight: 500; }
nav a.active, nav a:hover { color: var(--brand); }
.hero { padding: 64px 0 24px; }
.eyebrow { color: var(--brand); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: .8rem; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 46em; }
.actions { margin-top: 28px; }
.button { display: inline-block; padding: 11px 20px; border-radius: 999px; background: var(--brand); color: #fff; text-decoration: none; font-weight: 600; margin: 0 8px 8px 0; }
.button.ghost { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; }
.tile .big { font-size: 2.1rem; font-weight: 700; color: var(--brand-strong); font-variant-numeric: tabular-nums; }
.tile .what { font-weight: 600; }
.tile .note { color: var(--muted); font-size: .9rem; }
.chart-box { margin: 24px 0 8px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.chart-box figcaption { color: var(--muted); font-size: .88rem; margin-top: 8px; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart .grid { stroke: var(--line); stroke-width: 1; }
svg.chart .axis { fill: var(--muted); font-size: 11px; }
svg.chart .bar { fill: var(--brand); }
svg.chart .bar-partial { fill: var(--partial); }
svg.chart .bar-missing { fill: none; stroke: var(--missing); stroke-dasharray: 3 3; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 40px; }
.how ol { padding-left: 1.2em; } .how li { margin: .5em 0; }
.empty { background: var(--surface); border: 1px dashed var(--missing); border-radius: var(--radius); padding: 16px; color: var(--muted); }
.small { color: var(--muted); font-size: .88rem; }
.page-head { padding-top: 40px; }
.prose { max-width: 820px; }
dl dt { font-weight: 700; margin-top: 1em; } dl dd { margin: .2em 0 0; color: var(--text); }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; background: var(--surface); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: .9rem; }
tr.missing td { color: var(--muted); font-style: italic; }
.tag { font-size: .75rem; background: var(--partial); color: var(--text); padding: 1px 7px; border-radius: 999px; }
.foot { border-top: 1px solid var(--line); margin-top: 64px; padding: 20px 0; color: var(--muted); font-size: .9rem; }
.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot p { margin: .3em 0; }
@media (max-width: 600px) { nav a { margin: 0 14px 0 0; } .hero { padding-top: 36px; } }
