:root {
  --bg: #0d1117;
  --bg-2: #131922;
  --card: #1a222d;
  --line: #2a3542;
  --ink: #e9edf2;
  --ink-soft: #a7b3c2;
  --accent: #f0b64a;
  --accent-ink: #1c1405;
  --teal: #4fd1c5;
  --good: #7fd6a0;
  --bad: #ef8f8f;
  --radius: 12px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.65;
  color: var(--ink); background: var(--bg);
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #ffd37a; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.2; color: #fff; letter-spacing: 0.005em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 0.45em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 2em 0 0.55em; }
h3 { font-size: 1.2rem; margin: 1.5em 0 0.4em; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.3em; margin: 0 0 1em; }
li { margin: 0.25em 0; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* Top bar and header */
.notice-bar { background: #241c0a; color: #f3dcae; font-size: 0.86rem; padding: 7px 0; border-bottom: 1px solid #3a2d10; }
.notice-bar a { color: #ffd37a; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(13,17,23,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.brand { font-family: var(--serif); font-size: 1.25rem; color: #fff; text-decoration: none; font-weight: 700; }
.brand span { color: var(--accent); }
.nav ul { list-style: none; display: flex; gap: 4px 6px; flex-wrap: wrap; margin: 0; padding: 0; }
.nav a { display: block; padding: 6px 12px; border-radius: 999px; color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
.nav a:hover { background: var(--card); color: #fff; }
.nav a[aria-current="page"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }

/* Hero */
.hero {
  padding: 72px 0 56px; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 380px at 85% -10%, rgba(79,209,197,0.20), transparent 60%),
    radial-gradient(700px 360px at 5% 0%, rgba(240,182,74,0.18), transparent 60%),
    var(--bg);
}
.hero p.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 720px; }
.btn { display: inline-block; margin: 6px 10px 6px 0; padding: 11px 20px; border-radius: 8px; background: var(--accent); color: var(--accent-ink) !important; font-weight: 700; text-decoration: none; font-size: 0.95rem; }
.btn:hover { background: #ffd37a; }
.btn.ghost { background: transparent; color: var(--ink) !important; border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); }

/* Layout blocks */
section.block { padding: 44px 0; border-bottom: 1px solid var(--line); }
section.block:last-of-type { border-bottom: 0; }
.kicker { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal); font-weight: 700; margin-bottom: 8px; display: block; }

.tiles { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin: 26px 0 0; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.tile b { display: block; font-family: var(--serif); font-size: 2.1rem; color: var(--accent); line-height: 1.1; }
.tile span { color: var(--ink-soft); font-size: 0.9rem; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin: 22px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
a.card { display: block; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
a.card h3 { color: #fff; }
a.card .more { color: var(--accent); font-size: 0.9rem; font-weight: 600; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 16px 0 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #202a37; color: #fff; font-weight: 600; white-space: nowrap; font-size: 0.88rem; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
caption { caption-side: bottom; text-align: left; font-size: 0.84rem; color: var(--ink-soft); padding: 10px 14px; }
.yes { color: var(--good); font-weight: 700; }
.no { color: var(--bad); font-weight: 700; }
.score { display: inline-block; min-width: 3.2em; text-align: center; background: #2b2410; color: var(--accent); border: 1px solid #4a3b12; border-radius: 6px; padding: 2px 8px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* Notes */
.note { border-left: 3px solid var(--teal); background: #11262a; padding: 14px 18px; border-radius: 6px; margin: 20px 0; color: #cfeeee; }
.warn { border-left: 3px solid var(--accent); background: #261e0b; padding: 14px 18px; border-radius: 6px; margin: 20px 0; color: #f6e3b9; }
.note p:last-child, .warn p:last-child { margin-bottom: 0; }
.meta { color: var(--ink-soft); font-size: 0.9rem; }

/* FAQ */
details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 18px; margin: 10px 0; }
details[open] { border-color: #3a4757; }
summary { cursor: pointer; padding: 14px 0; font-weight: 600; color: #fff; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--accent); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "\2212"; }
details > div { padding-bottom: 14px; color: var(--ink-soft); }

/* Breadcrumbs, article */
.crumbs { font-size: 0.86rem; color: var(--ink-soft); margin: 0 0 14px; }
.crumbs a { color: var(--ink-soft); }
article h2 { margin-top: 1.7em; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 22px; margin: 22px 0; }
.toc ol { margin: 6px 0 0; }

dl.glossary dt { font-family: var(--serif); font-size: 1.12rem; color: var(--accent); margin-top: 1.2em; }
dl.glossary dd { margin: 0.2em 0 0; }

/* Calculator */
.calc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin: 22px 0; }
.calc .row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.calc label { display: block; font-size: 0.86rem; color: var(--ink-soft); margin-bottom: 4px; }
.calc input { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: #fff; font-size: 1rem; }
.calc input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.calc .out { margin-top: 16px; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.calc .out div { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
.calc .out b { display: block; font-family: var(--serif); font-size: 1.6rem; color: var(--accent); }

/* Footer */
.site-footer { background: #090c11; border-top: 1px solid var(--line); padding: 40px 0; margin-top: 30px; font-size: 0.92rem; color: var(--ink-soft); }
.site-footer .wrap { display: grid; gap: 26px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.site-footer h4 { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: #fff; margin: 0 0 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }


@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 38px; }
  .nav ul { gap: 2px; }
  .nav a { padding: 5px 9px; font-size: 0.9rem; }
}

.warn + .kicker { margin-top: 38px; }

/* Oil tables, filters, sorting */
.jump { font-size: 0.95rem; color: var(--ink-soft); }
table.oils { font-size: 0.9rem; }
table.oils th, table.oils td { padding: 9px 11px; }
table.oils td:nth-child(2) { min-width: 210px; }
table.oils td .meta, table.shops td .meta { font-size: 0.8rem; }
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin: 16px 0 0; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); font-size: 0.9rem; }
.filters[hidden] { display: none; }
.filters + .table-wrap { margin-top: 10px; }
.filters label { color: var(--ink-soft); display: inline-flex; align-items: center; gap: 8px; }
.filters select { background: var(--bg); color: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font: inherit; max-width: 100%; }
.filters select:focus-visible, .filters input:focus-visible, .chip:focus-visible, .sortbtn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.filters .count { margin-left: auto; color: var(--ink-soft); }
.chip { background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; font: inherit; cursor: pointer; }
.chip:hover { border-color: var(--accent); }
.sortbtn { background: none; border: 0; padding: 0; margin: 0; font: inherit; color: inherit; cursor: pointer; white-space: nowrap; }
.sortbtn::after { content: " \21C5"; color: var(--ink-soft); font-size: 0.8em; }
th[aria-sort="ascending"] .sortbtn::after { content: " \25B2"; color: var(--accent); }
th[aria-sort="descending"] .sortbtn::after { content: " \25BC"; color: var(--accent); }
.dots { display: inline-flex; gap: 2px; margin-top: 5px; }
.dots i { display: block; width: 8px; height: 8px; border-radius: 2px; background: #2f3b4a; }
.dots i.on { background: var(--good); }
details table { font-size: 0.88rem; }
details .table-wrap { margin: 4px 0 14px; }

.meta, details > div, td { overflow-wrap: anywhere; }
table.oils td:nth-child(2) { min-width: 170px; }
main a, main p, main li { overflow-wrap: anywhere; }

/* Cookie-Banner */
#cc { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; padding: 12px; display: flex; justify-content: center; pointer-events: none; }
#cc[hidden] { display: none; }
#cc .cc-box {
  pointer-events: auto; width: 100%; max-width: 780px; max-height: calc(100vh - 24px); overflow: auto;
  background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3); font-size: 0.95rem; line-height: 1.55;
}
#cc .cc-box:focus { outline: none; }
#cc h2 { margin: 0 0 8px; font-size: 1.1rem; color: var(--cc-head); }
#cc p { margin: 0 0 12px; }
#cc a { color: var(--cc-link); }
.cc-details { margin: 0 0 14px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; }
.cc-opt { display: flex; gap: 10px; align-items: flex-start; margin: 0 0 10px; cursor: pointer; }
.cc-opt:last-child { margin-bottom: 0; }
.cc-opt input { width: 18px; height: 18px; margin: 3px 0 0; flex: none; accent-color: var(--accent); }
.cc-opt b { display: block; }
.cc-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.cc-btn {
  font: inherit; font-weight: 650; font-size: 0.95rem; cursor: pointer; padding: 10px 18px;
  border-radius: var(--cc-btn-radius); border: 1.5px solid var(--accent); background: var(--accent); color: var(--cc-on);
}
.cc-btn.cc-ghost { background: transparent; color: var(--cc-link); }
.cc-btn[hidden] { display: none; }
.cc-btn:focus-visible, #cc a:focus-visible, .linkbtn:focus-visible, .cc-opt input:focus-visible { outline: 3px solid var(--cc-focus); outline-offset: 2px; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--cc-foot); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.linkbtn[hidden] { display: none; }
@media (max-width: 640px) {
  #cc { padding: 8px; }
  #cc .cc-box { padding: 16px; }
  .cc-actions .cc-btn { flex: 1 1 calc(50% - 8px); }
}
@media print { #cc { display: none !important; } }
:root { --cc-head: #fff; --cc-link: var(--accent); --cc-on: var(--accent-ink); --cc-btn-radius: 8px; --cc-focus: var(--teal); --cc-foot: var(--accent); }