/* FullFrame site. No frameworks, no web fonts, no third-party requests, which
   keeps the page fast and matches what the extension itself claims. */

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-sunken: #f6f7f9;
  --bg-raised: #ffffff;
  --border: #e3e5ea;
  --border-strong: #cdd1d9;
  --text: #14161b;
  --text-muted: #5c6472;
  --accent: #2f5cd8;
  --accent-soft: #eef2ff;
  --good: #1c7f4c;
  --bad: #b4373b;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 19, 26, 0.05), 0 10px 30px rgba(16, 19, 26, 0.07);
  --wrap: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --bg-sunken: #15181e;
    --bg-raised: #1a1e25;
    --border: #272c35;
    --border-strong: #3a404b;
    --text: #eceef2;
    --text-muted: #99a1ae;
    --accent: #7ea0ff;
    --accent-soft: #1a2138;
    --good: #4cc38a;
    --bad: #f0666a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(100% - 40px); max-width: var(--wrap); margin-inline: auto; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 700; }
h2 { font-size: clamp(23px, 3vw, 30px); font-weight: 650; margin-top: 8px; }
h3 { font-size: 18px; font-weight: 600; }
p { margin: 0 0 16px; }
a { color: var(--accent); }

/* ---------------------------------------------------------------- header */

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 650;
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
}
.brand svg { color: var(--accent); flex: none; }
.nav { display: flex; gap: 20px; align-items: center; }
.nav a { color: var(--text-muted); text-decoration: none; font-size: 14.5px; }
.nav a:hover { color: var(--text); }

/* ------------------------------------------------------------------ hero */

.hero { padding: 68px 0 52px; }
.hero .lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 62ch;
  margin-bottom: 26px;
}
.eyebrow {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg-raised);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform 120ms ease, background 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 85%, #000); }
.note { font-size: 13.5px; color: var(--text-muted); margin-top: 14px; }

/* --------------------------------------------------------------- content */

section { padding: 44px 0; border-top: 1px solid var(--border); }
section:first-of-type { border-top: 0; }
.section-lede { color: var(--text-muted); max-width: 68ch; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 18px;
  margin-top: 26px;
}
.card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
}
.card h3 { margin-bottom: 7px; }
.card p { margin: 0; color: var(--text-muted); font-size: 15px; }

/* ----------------------------------------------------------------- table */

.table-scroll { overflow-x: auto; margin-top: 26px; }
table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}
caption {
  text-align: left;
  color: var(--text-muted);
  font-size: 14px;
  padding-bottom: 12px;
}
th, td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
thead th {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}
tbody th { font-weight: 550; }
td.yes { color: var(--good); font-weight: 550; }
td.no { color: var(--bad); }
.col-us { background: var(--accent-soft); }

/* ------------------------------------------------------------------- faq */

details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 15px 18px;
  margin-bottom: 10px;
  background: var(--bg-raised);
}
summary { cursor: pointer; font-weight: 600; }
summary::marker { color: var(--text-muted); }
details p { margin: 12px 0 0; color: var(--text-muted); }

/* ---------------------------------------------------------------- footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0 46px;
  color: var(--text-muted);
  font-size: 14px;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
.site-footer a { color: var(--text-muted); }

/* -------------------------------------------------------------- document */

.doc { padding: 46px 0 20px; max-width: 74ch; }
.doc h2 { margin-top: 34px; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc .updated { color: var(--text-muted); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}