:root {
  --green: #0b5d4a;
  --green-dark: #084436;
  --green-light: #e6f3ef;
  --accent: #f4b400;
  --ink: #1c2b28;
  --muted: #5b6b67;
  --line: #e2e8e5;
  --bg: #f7faf9;
  --card: #ffffff;
  --temp: #2563eb;
  --auto: #16a34a;
  --perm: #9333ea;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16,40,34,.08), 0 6px 24px rgba(16,40,34,.06);
  --maxw: 980px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Hero ---------- */
header.hero {
  background: linear-gradient(160deg, var(--green) 0%, var(--green-dark) 100%);
  color: #fff;
  padding: 32px 0 28px;
  text-align: center;
}
header.hero .badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
header.hero h1 {
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
  margin: 0 0 8px;
  font-weight: 800;
  letter-spacing: -.02em;
}
header.hero p.lede {
  font-size: clamp(14px, 2vw, 17px);
  max-width: 640px;
  margin: 0 auto;
  color: rgba(255,255,255,.92);
}

/* ---------- Search ---------- */
.search-zone {
  margin-top: 16px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  padding: 6px 6px 6px 20px;
}
.search-box svg { flex: 0 0 auto; color: var(--muted); }
.search-box input {
  flex: 1;
  border: 0;
  outline: 0;
  font-size: 17px;
  padding: 14px 12px;
  color: var(--ink);
  background: transparent;
  min-width: 0;
}
.search-box input::placeholder { color: #9aa8a3; }
.search-box input::-webkit-search-cancel-button { display: none; }
.search-clear {
  border: 0;
  background: var(--green-light);
  color: var(--green-dark);
  width: 40px; height: 40px;
  border-radius: 999px;
  font-size: 20px;
  cursor: pointer;
  display: none;
  flex: 0 0 auto;
}
.search-clear:hover { background: #d4e9e2; }
.search-hint {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.85);
}

/* ---------- Main ---------- */
main { padding: 20px 0 20px; }

.results-meta {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 18px;
  min-height: 20px;
}

/* ---------- Brand grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.card.open { grid-column: 1 / -1; border-color: var(--green); }

.card-head {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 18px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  font: inherit;
  color: inherit;
}
.card-head:hover { background: var(--green-light); }

.brand-logo {
  flex: 0 0 auto;
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--green-light);
  color: var(--green-dark);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.02em;
}
.brand-meta { flex: 1; min-width: 0; }
.brand-name { font-weight: 700; font-size: 17px; }
.brand-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }

.tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 3px 8px;
  border-radius: 999px;
  color: #fff;
}
.tag.temp { background: var(--temp); }
.tag.auto { background: var(--auto); }
.tag.perm { background: var(--perm); }
.tag.none { background: #94a3b8; }
.tag.unverified { background: transparent; border: 1.5px solid #d97706; color: #d97706; }

.chev {
  flex: 0 0 auto;
  color: var(--muted);
  transition: transform .2s;
}
.card.open .chev { transform: rotate(180deg); }

/* ---------- Card detail ---------- */
.card-body {
  display: none;
  padding: 4px 22px 24px;
  border-top: 1px solid var(--line);
}
.card.open .card-body { display: block; }

.method {
  margin-top: 20px;
  padding-top: 4px;
}
.method:first-child { margin-top: 14px; }
.method-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.method-head h4 { margin: 0; font-size: 16px; }
.method-models {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}
.method ol, .method ul {
  margin: 8px 0;
  padding-left: 22px;
}
.method li { margin: 4px 0; }
.method p { margin: 8px 0; }
.note {
  background: #fffbeb;
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  margin: 12px 0 0;
  color: #4a3f1a;
}
.sources { font-size: 13px; color: var(--muted); margin-top: 12px; }
.sources a { margin-right: 8px; }

.unknown-body {
  color: var(--muted);
  font-size: 15px;
}
.unknown-body a.contribute-link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
}

.no-results {
  text-align: center;
  padding: 50px 20px;
  color: var(--muted);
}
.no-results strong { color: var(--ink); }

/* ---------- Legend ---------- */
.legend {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 36px 0;
  box-shadow: var(--shadow);
}
.legend h2 { margin: 0 0 14px; font-size: 18px; }
.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.legend-item { display: flex; gap: 12px; align-items: flex-start; }
.legend-item .tag { margin-top: 3px; }
.legend-item p { margin: 0; font-size: 14px; color: var(--muted); }
.legend-item p strong { color: var(--ink); display: block; }

/* ---------- Content sections ---------- */
section.content {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin: 22px 0;
  box-shadow: var(--shadow);
}
section.content h2 {
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: -.01em;
}
section.content h3 { font-size: 17px; margin: 22px 0 8px; }
section.content p { margin: 12px 0; }
section.content ul { padding-left: 22px; }
section.content li { margin: 8px 0; }

details.faq {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
details.faq:last-child { border-bottom: 1px solid var(--line); }
details.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--green); font-size: 22px; font-weight: 400; }
details.faq[open] summary::after { content: "−"; }
details.faq .faq-body { padding-top: 8px; color: var(--muted); }
details.faq .faq-body p:first-child { margin-top: 8px; }

/* ---------- Footer ---------- */
footer {
  background: var(--green-dark);
  color: rgba(255,255,255,.9);
  padding: 40px 0;
  margin-top: 40px;
  text-align: center;
}
footer h2 { color: #fff; margin: 0 0 10px; font-size: 22px; }
footer p { max-width: 560px; margin: 10px auto; }
footer a { color: #fff; }
.footer-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 22px 0 8px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--green-dark);
  font-weight: 700;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  transition: transform .1s;
}
.btn:hover { transform: translateY(-1px); }
.btn.outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.5);
}
.footer-fine {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-top: 24px;
}
.footer-fine a { color: rgba(255,255,255,.8); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: var(--green-dark);
  padding: 10px 16px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

@media (max-width: 600px) {
  header.hero { padding: 24px 0 20px; }
  section.content { padding: 22px 18px; }
  .legend { padding: 18px; }
}