:root {
  --paper: #f5f2e9;
  --sheet: #fffdf6;
  --ink: #1c1b18;
  --muted: #64605a;
  --rule: #dad4c3;
  --rule-strong: #bdb6a2;
  --biro: #1d3f99;
  --biro-deep: #152f78;
  --biro-wash: #e7ecf8;
  --owe: #9e3a22;
  --ok: #2c6a3a;
  --font: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Roboto, "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 var(--font);
  font-feature-settings: "tnum" 1, "lnum" 1;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--biro); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--biro); outline-offset: 3px; }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; }

header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; color: var(--biro); text-decoration: none; }
nav.top-nav { display: flex; align-items: center; gap: 20px; }
nav.top-nav a.link { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; display: none; }
@media (min-width: 720px) { nav.top-nav a.link { display: inline; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 8px 22px;
  border-radius: 8px; font: 600 16px/1.2 var(--font); text-decoration: none; text-align: center; cursor: pointer;
}
.btn.primary { background: var(--biro); color: #fff; border: 1px solid var(--biro); }
.btn.primary:hover { background: var(--biro-deep); }
.btn.secondary { background: var(--sheet); color: var(--ink); border: 1px solid var(--rule-strong); }
.btn.secondary:hover { background: var(--paper); }
.btn.small { min-height: 40px; padding: 6px 16px; font-size: 15px; }

h1 { font-size: clamp(38px, 7vw, 64px); line-height: 1.05; letter-spacing: -0.03em; font-weight: 800; margin: 0; max-width: 14ch; }
h2 { font-size: clamp(26px, 4vw, 36px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 12px; }
h3 { font-size: 19px; margin: 0 0 4px; }
p { margin: 0 0 14px; }
.lede { font-size: clamp(18px, 2.4vw, 21px); color: var(--muted); max-width: 34em; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.hero { display: grid; gap: 40px; padding: 40px 0 56px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero .shots { display: flex; gap: 16px; align-items: flex-start; }
.hero .shots figure:first-child { flex: 1.1; }
.hero .shots figure:last-child { flex: 1; margin-top: 36px; }
@media (min-width: 880px) { .hero { grid-template-columns: 1.1fr 1fr; align-items: center; } }

.screen { margin: 0; }
.screen img { border: 1px solid var(--rule-strong); background: var(--sheet); }
.screen figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }

section.block { border-top: 1px solid var(--rule-strong); padding: 52px 0; }

.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 56px; }
.step { display: grid; gap: 22px; align-items: start; }
.step .num { font-size: 15px; font-weight: 800; color: var(--biro); letter-spacing: 0.04em; }
.step .shot { max-width: 300px; }
@media (min-width: 820px) {
  .step { grid-template-columns: 1fr 300px; gap: 56px; }
  .step:nth-child(even) { grid-template-columns: 300px 1fr; }
  .step:nth-child(even) .shot { order: -1; }
}

.ruled { list-style: none; padding: 0; margin: 20px 0 0; border-top: 1px solid var(--rule-strong); }
.ruled li { border-bottom: 1px solid var(--rule); padding: 16px 0; display: grid; gap: 4px; }
@media (min-width: 720px) { .ruled li { grid-template-columns: 240px 1fr; gap: 24px; } }
.ruled strong { font-size: 17px; }

.trust { display: grid; gap: 28px; margin-top: 24px; }
@media (min-width: 820px) { .trust { grid-template-columns: repeat(3, 1fr); gap: 36px; } }
.trust div { border-top: 1px solid var(--rule-strong); padding-top: 14px; }

details { border-bottom: 1px solid var(--rule); padding: 16px 0; }
details:first-of-type { border-top: 1px solid var(--rule-strong); }
summary { cursor: pointer; font-weight: 700; font-size: 17px; }
details p { margin: 10px 0 0; color: var(--muted); max-width: 40em; }

.cta { background: var(--sheet); border: 1px solid var(--rule-strong); padding: 32px 24px; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

footer { border-top: 1px solid var(--rule-strong); padding: 28px 0 44px; font-size: 14px; color: var(--muted); }
footer p { margin: 0 0 6px; max-width: 46em; }