:root {
  color-scheme: light dark;
  --bg: #eef7fb;
  --surface: #ffffff;
  --surface-soft: #fff8df;
  --text: #111827;
  --muted: #536170;
  --border: rgba(17, 24, 39, 0.15);
  --accent: #e83d3d;
  --accent-strong: #0874d8;
  --focus: #f2b832;
  --shadow: 0 18px 44px rgba(16, 22, 34, 0.08);
  --content: 880px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101622;
    --surface: #172033;
    --surface-soft: #1d2c42;
    --text: #f8fbff;
    --muted: #b5c2cf;
    --border: rgba(181, 194, 207, 0.18);
    --accent: #ff706a;
    --accent-strong: #61b6ff;
    --shadow: none;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(8, 116, 216, 0.08) 1px, transparent 1px) 0 0 / 46px 46px,
    linear-gradient(180deg, #f8fcff 0%, var(--bg) 42rem);
  line-height: 1.65;
}

@media (prefers-color-scheme: dark) {
  body {
    background:
      linear-gradient(90deg, rgba(97, 182, 255, 0.08) 1px, transparent 1px) 0 0 / 46px 46px,
      linear-gradient(180deg, #121b2b 0%, var(--bg) 42rem);
  }
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 82%, transparent);
  outline-offset: 4px;
  border-radius: 6px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.site-header,
.site-footer,
main {
  width: min(100% - 32px, var(--content));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 850;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.brand span span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  min-height: 36px;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 800;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--accent-strong) 10%, transparent);
}

.document {
  padding: 34px 0 68px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 12px;
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin: 42px 0 12px;
  font-size: clamp(1.28rem, 2vw, 1.62rem);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 26px 0 8px;
  font-size: 1.05rem;
}

p,
li {
  color: var(--muted);
  font-size: 1.02rem;
}

.lede {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.meta {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.panel {
  margin: 28px 0;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
}

.panel p:last-child,
.panel ul:last-child {
  margin-bottom: 0;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 10px;
}

.summary-card {
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.summary-card strong {
  display: block;
  margin-bottom: 4px;
}

ul,
ol {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 8px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0 38px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

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

@media (max-width: 680px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .document {
    padding-top: 20px;
  }
}