:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #5d625f;
  --line: #dfe4df;
  --bg: #f7f8f5;
  --panel: #ffffff;
  --accent: #1f7a4d;
  --accent-dark: #115d39;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}

main {
  padding: 44px 0 64px;
}

.hero {
  display: grid;
  gap: 18px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin: 34px 0 10px;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h3 {
  margin: 22px 0 8px;
}

p,
li {
  color: var(--muted);
}

.lead {
  max-width: 720px;
  margin: 0;
  font-size: 18px;
}

.panel {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}

.notice {
  border-color: #bed9c9;
  background: #eff8f2;
}

.form-grid {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #cfd6d0;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
}

.check input {
  width: auto;
  margin-top: 5px;
}

.button {
  width: fit-content;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  padding: 13px 18px;
  font-weight: 800;
  cursor: pointer;
}

.fineprint {
  font-size: 13px;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .hero {
    padding: 24px;
  }
}