:root {
  --bg: #fbfaf7;
  --fg: #14140f;
  --muted: #5c5c52;
  --line: #d8d6cc;
  --accent: #2f5233;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  padding: 0 20px;
}

a { color: var(--accent); }
a:visited { color: var(--accent); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
}

header.site {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  row-gap: 10px;
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--line);
}

header.site .mark {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 15px;
}

header.site nav {
  font-family: var(--mono);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

@media (max-width: 480px) {
  header.site nav { font-size: 12px; gap: 8px 12px; width: 100%; }
}

header.site nav a { text-decoration: none; border-bottom: 1px solid transparent; color: var(--fg); }
header.site nav a:hover { border-bottom-color: var(--accent); }
header.site nav a.active { color: var(--accent); border-bottom-color: var(--accent); }
header.site .mark-link { text-decoration: none; color: inherit; }

#lang-toggle {
  font-family: var(--mono);
  font-size: 12px;
  background: none;
  border: 1px solid var(--line);
  padding: 3px 8px;
  cursor: pointer;
  color: var(--fg);
}
#lang-toggle:hover { border-color: var(--accent); }

section { padding: 48px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }
section:first-of-type { padding-top: 64px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 16px;
}

h1 {
  font-size: 34px;
  line-height: 1.2;
  margin: 0 0 14px;
  font-weight: 500;
}

h2 {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 20px;
}

.subtitle { color: var(--muted); max-width: 56ch; }

form.scan {
  margin-top: 26px;
  display: flex;
  gap: 0;
  border: 1px solid var(--fg);
  max-width: 480px;
}

form.scan input[type="text"] {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--fg);
}
form.scan input[type="text"]:focus { outline: none; background: #f1efe8; }

form.scan button {
  border: none;
  border-left: 1px solid var(--fg);
  background: var(--fg);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 18px;
  cursor: pointer;
}
form.scan button:hover { background: var(--accent); }

.form-note { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 8px; }

.status-box {
  border: 1px dashed var(--line);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.result-box {
  border: 1px solid var(--fg);
  padding: 20px 22px;
}
.result-box .headline {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 6px;
}
.result-box .co2-number {
  font-size: 40px;
  font-weight: 500;
  margin: 0 0 4px;
  font-variant-numeric: tabular-nums;
}
.result-box .co2-number .unit {
  font-size: 18px;
  color: var(--muted);
  font-weight: 400;
}
.result-box .co2-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 18px;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
  font-family: var(--mono);
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.result-grid dt { color: var(--muted); }
.result-grid dd { margin: 2px 0 0; }
.result-error {
  border: 1px solid #7a2e2e;
  color: #7a2e2e;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 13px;
}
.result-loading {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.analysis-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.analysis-card {
  background: var(--bg);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

a.analysis-card-link {
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
}
a.analysis-card-link:hover { background: #f1efe8; }

.analysis-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.analysis-domain {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
}

.analysis-co2 {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.analysis-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
}

.analysis-date {
  color: var(--muted);
  margin-left: auto;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}
.tag-green { color: var(--accent); border-color: var(--accent); }
.tag-muted { color: var(--muted); border-style: dashed; }
.tag-done { color: var(--accent); border-color: var(--accent); }
.tag-failed { color: #a5372a; border-color: #a5372a; }

@media (max-width: 560px) {
  .analysis-date { margin-left: 0; width: 100%; }
}

.teaser-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.teaser-card {
  background: var(--bg);
  padding: 22px 20px;
  text-decoration: none;
  color: var(--fg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.15s ease;
}
.teaser-card:hover { background: #f1efe8; }
.teaser-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.teaser-card h3 { margin: 0; font-size: 17px; font-weight: 600; }
.teaser-card p { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.teaser-link {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

@media (max-width: 560px) {
  .teaser-grid { grid-template-columns: 1fr; }
}

.na { color: var(--muted); font-style: italic; }

.steps { display: grid; gap: 22px; }
.step { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.step .num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  padding-top: 2px;
}
.step h3 { margin: 0 0 4px; font-size: 17px; font-weight: 600; }
.step p { margin: 0; color: var(--muted); }

.methodology-link, .sources-link {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
}

.assumptions {
  background: #f1efe8;
  border-left: 3px solid var(--accent);
  padding: 18px 20px;
}
.assumptions p { color: var(--fg); margin: 0; }

.table-scroll {
  overflow-x: auto;
}

table.sources {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 13px;
}
table.sources th, table.sources td {
  text-align: left;
  padding: 8px 10px 8px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.sources th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: 0.04em; }

.funnel { background: var(--fg); color: var(--bg); margin: 0 -20px; padding: 44px 20px; border-bottom: none; }
.funnel .wrap-inner { max-width: 720px; margin: 0 auto; }
.funnel h2 { color: var(--bg); }
.funnel p { color: #cfcdc2; max-width: 56ch; }
.funnel a.cta {
  display: inline-block;
  margin-top: 16px;
  border: 1px solid var(--bg);
  padding: 10px 18px;
  color: var(--bg);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
}
.funnel a.cta:hover { background: var(--bg); color: var(--fg); }

footer.site {
  padding: 24px 0 50px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 560px) {
  h1 { font-size: 26px; }
  form.scan { flex-direction: column; max-width: none; }
  form.scan button { border-left: none; border-top: 1px solid var(--fg); }
}