/* Ad Data Insights — site stylesheet
   Shared by every page. Keep in sync with the design tokens below. */

:root {
  color-scheme: light;
  --ink: #101828;
  --muted: #475467;
  --faint: #667085;
  --line: #e4e7ec;
  --soft: #f8fafc;
  --accent: #1d4ed8;
  --accent-dark: #163ea8;
  --accent-soft: #eef3ff;
  --radius: 14px;
  --container: 1080px;
  --narrow: 820px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(var(--narrow), calc(100% - 40px)); margin: 0 auto; }

/* Header ------------------------------------------------------------------ */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 10px 0;
}

.brand {
  font-weight: 750;
  font-size: 1.08rem;
  letter-spacing: -.03em;
  color: var(--ink);
  display: inline-flex;
  flex-direction: column;
  line-height: 1.25;
}
.brand span { font-size: .72rem; font-weight: 500; color: var(--faint); letter-spacing: 0; }
.brand:hover { text-decoration: none; }

.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: center; }
.site-nav a { color: var(--muted); font-size: .92rem; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  font-size: .95rem;
  text-align: center;
}
.btn:hover { text-decoration: none; border-color: #cdd5df; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* Hero -------------------------------------------------------------------- */
.hero {
  padding: 78px 0 66px;
  background:
    radial-gradient(1100px 420px at 15% -10%, #eaf0ff 0%, rgba(234, 240, 255, 0) 62%),
    linear-gradient(180deg, #fbfcff 0%, #fff 100%);
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .13em;
  margin: 0 0 14px;
}
h1 {
  font-size: clamp(2.15rem, 5.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.05em;
  margin: 0 0 18px;
  max-width: 800px;
}
.lead { font-size: 1.12rem; color: var(--muted); max-width: 720px; margin: 0; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 24px; color: var(--faint); font-size: .88rem; }

/* Sections ---------------------------------------------------------------- */
section { padding: 62px 0; }
section.tight { padding: 48px 0; }
section.soft { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

h2 {
  font-size: clamp(1.5rem, 3vw, 1.95rem);
  line-height: 1.22;
  letter-spacing: -.035em;
  margin: 0 0 12px;
}
h3 { font-size: 1.05rem; margin: 0 0 6px; letter-spacing: -.01em; }
.section-lead { color: var(--muted); max-width: 760px; margin: 0 0 28px; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 22px;
}
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-size: .85rem; font-weight: 700; margin-bottom: 12px;
}

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: step; }

.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  color: #1e3a8a;
  font-size: .94rem;
}
.callout p { margin: 0; }

.notice {
  border: 1px solid var(--line);
  background: var(--soft);
  border-radius: 12px;
  padding: 16px 18px;
  color: var(--muted);
  font-size: .92rem;
}

/* Tables ------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .93rem; background: #fff; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); font-weight: 650; }
tr:last-child td { border-bottom: 0; }
td { color: var(--muted); }
td strong { color: var(--ink); }

/* Company ----------------------------------------------------------------- */
.company-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  background: #fff;
}
.company-card h2 { margin-bottom: 10px; }

dl.facts { margin: 0; display: grid; gap: 10px; }
dl.facts div { display: grid; grid-template-columns: 150px 1fr; gap: 10px; font-size: .9rem; }
dl.facts dt { color: var(--faint); }
dl.facts dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }

/* CTA --------------------------------------------------------------------- */
.cta {
  border-radius: 18px;
  padding: 34px;
  background: linear-gradient(135deg, #102a6b, #1d4ed8);
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.cta h2 { color: #fff; margin: 0 0 6px; }
.cta p { color: #d6e0ff; margin: 0; max-width: 560px; }
.cta .btn { background: #fff; border-color: #fff; color: #163ea8; }

/* Footer ------------------------------------------------------------------ */
.site-footer { border-top: 1px solid var(--line); background: var(--soft); padding: 46px 0 30px; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; }
.footer-grid h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); margin: 0 0 10px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.footer-grid a { color: var(--muted); }
.footer-brand p { color: var(--muted); margin: 10px 0 0; max-width: 320px; }
.footer-bottom {
  margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  color: var(--faint); font-size: .82rem;
}

/* Legal pages ------------------------------------------------------------- */
.legal { padding: 52px 0 72px; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 8px; }
.meta { color: var(--faint); font-size: .88rem; margin-bottom: 30px; }
.legal h2 { font-size: 1.25rem; margin: 34px 0 8px; letter-spacing: -.02em; }
.legal h3 { font-size: 1rem; margin: 20px 0 6px; }
.legal p, .legal li { color: #344054; font-size: .96rem; }
.legal ul, .legal ol { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.legal .toc { border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; background: var(--soft); margin-bottom: 8px; }
.legal .toc ol { margin: 6px 0 0; }
.legal .toc a { color: var(--muted); }
.legal hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

/* Utilities --------------------------------------------------------------- */
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.tag {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-size: .74rem; font-weight: 650; letter-spacing: .02em;
}

/* Responsive -------------------------------------------------------------- */
@media (max-width: 880px) {
  .grid, .grid.two, .steps { grid-template-columns: 1fr; }
  .company-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .hero { padding: 54px 0 46px; }
  section { padding: 46px 0; }
  .header-inner { align-items: flex-start; }
  .site-nav { gap: 2px 14px; }
  .site-nav a { font-size: .86rem; }
  .cta { padding: 26px; }
  dl.facts div { grid-template-columns: 1fr; gap: 2px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}