:root {
  color-scheme: light;
  --ink: #162941;
  --muted: #587088;
  --line: #d9e5f0;
  --blue: #4f9bea;
  --blue-dark: #226ab4;
  --paper: #ffffff;
  --wash: #eff7ff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 5%, rgba(79, 155, 234, .18), transparent 32rem),
    linear-gradient(180deg, #f7fbff 0, #fff 28rem);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--blue-dark); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 229, 240, .85);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(16px);
}

.nav,
.page,
.footer-inner {
  width: min(100% - 36px, 940px);
  margin-inline: auto;
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 900;
  text-decoration: none;
}

.brand img { width: 38px; height: 38px; object-fit: contain; }

.language {
  display: inline-flex;
  gap: 8px;
  font-size: .9rem;
  font-weight: 800;
}

.language a {
  padding: 7px 10px;
  border-radius: 999px;
  text-decoration: none;
}

.language a[aria-current="page"] { color: white; background: var(--ink); }

.page { padding: 72px 0 88px; }

.eyebrow {
  color: var(--blue-dark);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 12px 0 18px;
  font-size: clamp(2.2rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.lead { max-width: 750px; color: var(--muted); font-size: 1.08rem; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 24px 0 38px;
  color: var(--muted);
  font-size: .88rem;
}

.notice {
  margin: 28px 0;
  padding: 20px 22px;
  border: 1px solid #bed9f3;
  border-radius: 20px;
  background: var(--wash);
}

.content {
  display: grid;
  gap: 14px;
}

.section {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: 0 16px 40px rgba(26, 66, 105, .06);
}

.section h2 { margin: 0 0 10px; font-size: 1.25rem; }
.section p { margin: 0 0 10px; }
.section p:last-child { margin-bottom: 0; }
.section ul,
.section ol { margin: 8px 0 0; padding-left: 22px; }
.section li + li { margin-top: 7px; }

.steps { counter-reset: step; list-style: none; padding: 0 !important; }
.steps li { position: relative; padding: 0 0 18px 54px; min-height: 44px; }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  font-weight: 900;
}

footer { padding: 30px 0; border-top: 1px solid var(--line); background: #f7fbff; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .86rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }

@media (max-width: 640px) {
  .page { padding-top: 48px; }
  .section { padding: 22px 20px; border-radius: 20px; }
  .footer-inner { flex-direction: column; }
}