:root {
  --bg: #ffffff;
  --bg-soft: #f4f7f9;
  --ink: #1a2634;
  --ink-2: #4b5a69;
  --ink-3: #9aa9b8;
  --line: #e3e9ef;
  --orange: #e67e22;
  --orange-2: #d35400;
  --gutter: 1.25rem;
  --display: "Figtree", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--orange-2); }
a:hover { color: var(--orange); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .inner,
.site-footer .inner {
  max-width: 72rem;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

main {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.site-header .inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 4.5rem;
}

.site-header .brand { display: flex; }
.site-header img { display: block; height: 2.5rem; width: auto; }

.site-header nav { display: flex; gap: .25rem; margin-left: auto; }

.site-header nav a {
  padding: .4rem .8rem;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink-2);
  text-decoration: none;
  transition: color .15s, background-color .15s;
}

.site-header nav a:hover { color: var(--ink); background: rgba(108, 134, 161, .12); }

.site-header .btn {
  padding: .6rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #f08a2c, var(--orange));
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.site-header .btn:hover { color: #fff; filter: brightness(1.05); }

@media (max-width: 62rem) {
  .site-header nav { display: none; }
  .site-header .btn { margin-left: auto; }
}

main { padding-top: clamp(2.5rem, 6vw, 4rem); padding-bottom: clamp(3rem, 8vw, 5rem); }

h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  margin: 0;
}

.updated { color: var(--ink-3); font-size: .9rem; margin: .5rem 0 2rem; }

h2 {
  font-family: var(--display);
  font-size: 1.3rem;
  margin: 2.5rem 0 .5rem;
}

h3 { font-size: 1rem; margin: 1.5rem 0 .25rem; }

p, li { color: var(--ink-2); }

ul { padding-left: 1.25rem; }

li + li { margin-top: .35rem; }

strong { color: var(--ink); }

.callout {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.callout p { margin: 0; }

.site-footer {
  margin-top: 2rem;
  padding: 2rem 0;
  background: var(--ink);
  color: rgba(255, 255, 255, .75);
  text-align: center;
  font-size: .9rem;
}

.site-footer p { margin: 0; color: inherit; }
.footer-brand { display: inline-flex; margin-bottom: 1rem; }
.footer-brand img { display: block; height: 2rem; width: auto; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }