:root {
  --bg: #f7f6f3;
  --ink: #141414;
  --muted: #5c5a56;
  --line: #d9d5ce;
  --card: #ffffff;
  --accent: #1a5c45;
  --accent-soft: #e6f0eb;
  --max: 42rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #e8efe9 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #efe8df 0%, transparent 50%),
    var(--bg);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.brand {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
}

.brand small {
  display: block;
  margin-top: 0.2rem;
  font-family: "Manrope", sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--muted);
}

.langs {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
}

.langs button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
}

.langs button[aria-pressed="true"] {
  background: var(--accent-soft);
  color: var(--accent);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 0 0 2rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

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

h1 {
  font-family: "Syne", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1.75rem;
}

article h2 {
  font-family: "Syne", sans-serif;
  font-size: 1.15rem;
  margin: 1.75rem 0 0.55rem;
}

article h3 {
  font-family: "Syne", sans-serif;
  font-size: 1rem;
  margin: 1.25rem 0 0.4rem;
}

article p,
article li { color: #2a2a2a; }

article ul,
article ol {
  padding-left: 1.2rem;
  margin: 0.4rem 0 0.8rem;
}

article li { margin: 0.3rem 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.1rem 1.2rem;
  margin: 1.25rem 0;
}

.card strong { display: block; margin-bottom: 0.25rem; }

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.lang-block { display: none; }
html[lang="uk"] .lang-block.uk,
html[lang="en"] .lang-block.en,
html[lang="ru"] .lang-block.ru { display: block; }

.nav .lang-inline { display: none; }
html[lang="uk"] .nav .lang-inline.uk,
html[lang="en"] .nav .lang-inline.en,
html[lang="ru"] .nav .lang-inline.ru { display: inline; }