:root {
  --bg: #f2f7f4;
  --surface: #ffffff;
  --ink: #10261f;
  --muted: #566a62;
  --line: #dce6e1;
  --accent: #0a7c5a;
  --accent-ink: #ffffff;
  --stage: #e2efe9;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1412;
    --surface: #15211d;
    --ink: #e7f0ec;
    --muted: #9ab0a7;
    --line: #24342e;
    --accent: #3dd68c;
    --accent-ink: #04140d;
    --stage: #1b2a25;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 "Public Sans", system-ui, -apple-system, sans-serif;
}

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

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  font-family: "Fredoka", "Public Sans", system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Fredoka", sans-serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 15px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

main {
  display: grid;
  gap: 64px;
  padding-block: 24px 72px;
}

/* Home */
.hero {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-text {
  display: grid;
  gap: 16px;
  flex: 1 1 380px;
}

.hero h1 {
  font-size: clamp(38px, 7vw, 60px);
}

.hero p {
  color: var(--muted);
  max-width: 52ch;
  margin: 0;
}

.hero-art {
  flex: 0 1 300px;
  background: var(--stage);
  border-radius: 32px;
  padding: 28px;
  display: grid;
  place-items: center;
}

.hero-art img {
  width: 100%;
  max-width: 240px;
  height: auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  background: var(--ink);
  color: var(--bg);
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.requirements {
  font-size: 14px;
  color: var(--muted);
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
}

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.feature h2 {
  font-size: 21px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.privacy-note {
  background: var(--stage);
  border-radius: 22px;
  padding: 28px;
  display: grid;
  gap: 10px;
}

.privacy-note h2 {
  font-size: 26px;
}

.privacy-note p {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}

/* Document pages (privacy, support) */
.doc {
  max-width: 68ch;
  display: grid;
  gap: 12px;
}

.doc h1 {
  font-size: clamp(34px, 6vw, 46px);
  margin-bottom: 4px;
}

.doc h2 {
  font-size: 24px;
  margin-top: 28px;
}

.doc h3 {
  font-size: 19px;
  margin-top: 12px;
}

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

.doc p {
  margin: 0;
}

.doc ul {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 6px;
}

.doc strong {
  color: var(--ink);
}

.meta {
  font-size: 14px;
  color: var(--muted);
}

.summary {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 24px;
  display: grid;
  gap: 8px;
}

.contact {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 24px;
  margin-top: 8px;
}

footer {
  border-top: 1px solid var(--line);
  padding-block: 24px 40px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}

footer nav {
  display: flex;
  gap: 18px;
}

footer a {
  color: var(--muted);
}

@media (max-width: 480px) {
  .nav-links {
    gap: 14px;
  }
}