:root {
  --bg: #fbfaf7;
  --fg: #1a1a1a;
  --muted: #5e5e5a;
  --line: #e4e1da;
  --accent: #2448b8;
  --card: #ffffff;
  --serif: "Iowan Old Style", "Charter", "Palatino Linotype", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121315;
    --fg: #ecebe7;
    --muted: #a4a39d;
    --line: #2b2c30;
    --accent: #93acff;
    --card: #1a1b1e;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 var(--sans);
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

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

header.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.5rem 0;
}

.mark {
  font: 600 1.35rem/1 var(--serif);
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.mark span {
  font: 400 0.8rem var(--sans);
  color: var(--muted);
  margin-left: 0.5rem;
  letter-spacing: 0;
}

.lang { font-size: 0.9rem; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; }

h1 {
  font-size: clamp(1.9rem, 6vw, 2.8rem);
  margin: 3rem 0 1.25rem;
  letter-spacing: -0.01em;
}

.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 3rem; }

section { border-top: 1px solid var(--line); padding: 2.5rem 0; }

h2 {
  font-size: 0.8rem;
  font-family: var(--sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

h3 { font-size: 1.4rem; margin: 0 0 0.4rem; }

.product {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.1rem;
  margin-bottom: 2.25rem;
}

.product:last-child { margin-bottom: 0; }

.product p { margin: 0 0 0.6rem; }

.icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 22%;
  display: block;
}

.icon-rr {
  background: var(--card);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font: 600 1.4rem var(--serif);
  color: var(--accent);
}

.meta { font-size: 0.9rem; color: var(--muted); }

ul.steps { padding-left: 1.2rem; margin: 1rem 0 0; }
ul.steps li { margin-bottom: 0.5rem; }

.contact-mail { font: 600 1.4rem var(--serif); }

footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 3rem;
  font-size: 0.85rem;
  color: var(--muted);
}