:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #14161f;
  --muted: #5b6072;
  --line: #e3e6ef;
  --accent: #4c5ce0;
  --accent-soft: #eceefe;
  --shadow: 0 12px 32px rgba(20, 22, 31, 0.07);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0c11;
    --surface: #15171f;
    --text: #f2f3f8;
    --muted: #a3a8ba;
    --line: #262a36;
    --accent: #8f9bff;
    --accent-soft: #1c2033;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  }
}

* {
  box-sizing: border-box;
}

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

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

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface);
  padding: 10px 16px;
  border-radius: 0 0 12px 0;
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.site-header .inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

.brand svg {
  width: 30px;
  height: 30px;
  flex: none;
}

.site-nav {
  display: flex;
  gap: 6px;
  font-size: 14px;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 999px;
}

.site-nav a:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.site-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 34px 22px 72px;
}

.hero {
  margin-bottom: 26px;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
}

h2 {
  font-size: 21px;
  letter-spacing: -0.01em;
  margin: 38px 0 10px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 8px;
}

p,
li {
  color: var(--text);
}

.lede {
  font-size: 17px;
  color: var(--muted);
  max-width: 62ch;
  margin: 0;
}

.meta {
  font-size: 14px;
  color: var(--muted);
  margin: 10px 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  margin: 18px 0;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.grid .card {
  margin: 0;
}

.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 10px;
}

ul,
ol {
  padding-left: 22px;
}

li + li {
  margin-top: 6px;
}

dl {
  margin: 0;
}

dt {
  font-weight: 650;
  margin-top: 16px;
}

dd {
  margin: 4px 0 0;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 14px 0;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 12px 12px 0;
  padding: 12px 16px;
  margin: 18px 0;
  font-size: 15px;
}

.contact {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 11px 18px;
  border-radius: 12px;
}

.button:hover {
  filter: brightness(1.08);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.faq details:last-child {
  border-bottom: 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--accent);
  font-weight: 700;
}

.faq details[open] summary::after {
  content: "−";
}

.faq p {
  margin: 10px 0 0;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer .inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 22px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: space-between;
}

footer a {
  color: var(--muted);
}

@media (max-width: 520px) {
  main {
    padding-top: 26px;
  }

  .card {
    padding: 18px;
  }
}