:root {
  --brand: #4042d0;
  --brand-dark: #2f31a8;
  --brand-text: #4042d0; /* brand colour used for text on the page background */
  --bg: #ffffff;
  --bg-alt: #f5f5fb;
  --text: #1c1c28;
  --muted: #5b5b6e;
  --border: #e4e4ef;
  --card: #ffffff;
  --radius: 14px;
  --wrap: 1100px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f1f1f;
    --bg-alt: #262630;
    --text: #f1f1f5;
    --muted: #b3b3c2;
    --border: #34343f;
    --card: #2a2a33;
    --brand-text: #9a9cff;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--brand-text); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--brand);
  transition: background 0.15s, border-color 0.15s;
}
.button:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.button:focus-visible, .topnav a:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.button--small { padding: 7px 16px; font-size: 0.95rem; }
.button--ghost { background: transparent; color: var(--brand-text); border-color: var(--brand-text); }
.button--ghost:hover { background: var(--bg-alt); color: var(--brand-text); border-color: var(--brand-text); }
.button--light { background: #fff; color: var(--brand); border-color: #fff; }
.button--light:hover { background: #ececff; border-color: #ececff; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a:not(.button) { color: var(--muted); text-decoration: none; font-weight: 500; }
.topnav a:not(.button):hover { color: var(--text); }

.hero {
  padding: 96px 0 88px;
  background:
    radial-gradient(circle at 15% 10%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 45%),
    radial-gradient(circle at 90% 30%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 40%);
}
.hero__inner { max-width: 820px; }
.eyebrow { color: var(--brand-text); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.85rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.section { padding: 80px 0; }
.section--alt { background: var(--bg-alt); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; margin-top: 32px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card p { color: var(--muted); margin: 0; }
.card__icon { font-size: 1.8rem; margin-bottom: 12px; }

.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.steps p { color: var(--muted); margin: 0; }
.steps__number {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}

.security { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { padding-left: 34px; position: relative; }
.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--brand) 18%, transparent);
  color: var(--brand-text);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.cta { background: var(--brand); color: #fff; padding: 64px 0; }
.cta__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.cta h2 { margin: 0; }

.footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: 0.95rem; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.footer nav { display: flex; gap: 20px; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }

@media (max-width: 760px) {
  .topnav a:not(.button) { display: none; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
  .security { grid-template-columns: 1fr; gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}