:root {
  --ink: #111;
  --muted: #646464;
  --line: #d8d8d8;
  --soft: #f3f3f0;
  --page: #fff;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; line-height: 1.03; letter-spacing: -.035em; }
h1 { max-width: 1100px; font-size: clamp(3rem, 7.1vw, 7rem); font-weight: 700; }
h2 { font-size: clamp(2.5rem, 5vw, 5rem); }
h3 { font-size: clamp(1.35rem, 2vw, 2rem); }

.site-header {
  width: min(calc(100% - 48px), var(--max));
  height: 76px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.brand, .header-contact { text-decoration: none; font-weight: 700; }
.header-contact { border-bottom: 1px solid; }
.section {
  width: min(calc(100% - 48px), var(--max));
  margin: auto;
  padding: 130px 0;
  border-bottom: 1px solid var(--ink);
}
.eyebrow, .section-index {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow { margin-bottom: 48px; }
.hero { padding-top: 80px; }
.hero-lead {
  max-width: 880px;
  margin-top: 56px;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.35;
  letter-spacing: -.02em;
}
.hero-note { max-width: 720px; color: var(--muted); font-size: 1.05rem; }
.hero-action { display: grid; grid-template-columns: max-content minmax(240px, 480px); gap: 34px; align-items: center; margin-top: 48px; }
.hero-action p { margin: 0; color: var(--muted); font-size: .9rem; }
.button {
  display: inline-flex;
  justify-content: space-between;
  gap: 45px;
  padding: 18px 20px;
  background: var(--ink);
  color: white;
  text-decoration: none;
  font-weight: 700;
}
.button:hover { background: #333; }
.trust-line { margin: 75px 0 0; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.trust-line strong { color: var(--ink); }

.statement, .trust, .no-sale { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.statement > div, .trust > div, .no-sale > div { max-width: 900px; }
.large-copy { margin-top: 48px; font-size: clamp(1.3rem, 2.1vw, 1.85rem); line-height: 1.4; letter-spacing: -.02em; }
.section-heading { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; margin-bottom: 75px; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: solid var(--ink); border-width: 1px 0 0 1px; }
.service { min-height: 360px; padding: 30px; border: solid var(--ink); border-width: 0 1px 1px 0; }
.service > span, .case-title > span { font-size: .75rem; color: var(--muted); }
.service h3 { margin: 70px 0 22px; }
.service p { max-width: 470px; color: var(--muted); }
ul { padding-left: 1.2em; }
li::marker { color: var(--muted); }

.case-list { border-top: 1px solid var(--ink); }
.case { display: grid; grid-template-columns: 1.25fr 1fr; gap: 7%; padding: 52px 0; border-bottom: 1px solid var(--line); }
.case:last-child { border-bottom: 0; }
.case-title { grid-row: span 2; display: grid; grid-template-columns: 34px 1fr; gap: 10px; }
.case > p { color: var(--muted); }
dl { margin: 0; }
dl div { display: grid; grid-template-columns: 100px 1fr; padding: 9px 0; border-top: 1px solid var(--line); font-size: .85rem; }
dt { color: var(--muted); }
dd { margin: 0; }
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); border: solid var(--ink); border-width: 1px 0 0 1px; }
.numbers > div { min-height: 190px; padding: 22px; border: solid var(--ink); border-width: 0 1px 1px 0; display: flex; flex-direction: column; justify-content: space-between; }
.numbers strong { font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1; letter-spacing: -.05em; }
.numbers span { max-width: 180px; color: var(--muted); font-size: .85rem; }
.caption { margin: 20px 0 0; color: var(--muted); font-size: .8rem; }

.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.steps li { display: grid; grid-template-columns: 25% 1fr; padding: 35px 0; border-bottom: 1px solid var(--line); }
.steps li > span { font-size: .75rem; color: var(--muted); }
.steps li div { display: grid; grid-template-columns: 1fr 1.2fr; gap: 35px; }
.steps p { margin: 0; color: var(--muted); }
.trust aside { margin: 50px 0 28px; padding: 30px; background: var(--soft); display: grid; grid-template-columns: 1fr 2fr; gap: 30px; }
.trust aside strong { font-size: 1.5rem; }
.trust aside p { margin: 0; }
.final-cta h2 { max-width: 1000px; margin: 60px 0 35px; }
.final-cta > p:not(.section-index) { max-width: 650px; color: var(--muted); }
.final-cta > a { display: flex; justify-content: space-between; margin-top: 70px; padding-bottom: 12px; border-bottom: 3px solid; font-size: clamp(1.7rem, 4.7vw, 4.5rem); line-height: 1.1; text-decoration: none; letter-spacing: -.04em; }
footer { width: min(calc(100% - 48px), var(--max)); margin: auto; padding: 35px 0 60px; display: grid; grid-template-columns: 2fr 1fr auto; gap: 30px; align-items: end; font-size: .8rem; color: var(--muted); }
footer p { margin: 0; }
footer strong { color: var(--ink); }

@media (max-width: 800px) {
  h1 { font-size: clamp(2.8rem, 11vw, 5rem); }
  .site-header, .section, footer { width: min(calc(100% - 32px), var(--max)); }
  .section { padding: 85px 0; }
  .hero { padding-top: 55px; }
  .hero-action, .statement, .trust, .no-sale, .section-heading { grid-template-columns: 1fr; }
  .hero-action { align-items: stretch; }
  .section-heading { gap: 35px; margin-bottom: 50px; }
  .service-grid, .numbers { grid-template-columns: repeat(2, 1fr); }
  .case { grid-template-columns: 1fr; gap: 25px; }
  .case-title { grid-row: auto; }
  .steps li { grid-template-columns: 50px 1fr; }
  .steps li div { grid-template-columns: 1fr; gap: 12px; }
  .trust aside { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr 1fr; }
  footer > a:last-child { grid-column: 2; }
}

@media (max-width: 520px) {
  body { font-size: 15px; }
  .site-header { height: 64px; }
  .header-contact { font-size: 0; }
  .header-contact::after { content: "Почта ↗"; font-size: .75rem; }
  .eyebrow { margin-bottom: 35px; }
  .hero-lead { margin-top: 38px; }
  .hero-action { margin-top: 35px; }
  .button { width: 100%; }
  .trust-line { margin-top: 50px; }
  .service-grid, .numbers { grid-template-columns: 1fr; }
  .service { min-height: 0; padding: 24px; }
  .service h3 { margin-top: 45px; }
  .numbers > div { min-height: 150px; }
  dl div { grid-template-columns: 82px 1fr; }
  .final-cta > a { word-break: break-all; }
  footer { grid-template-columns: 1fr; }
  footer > a:last-child { grid-column: auto; }
}

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