:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #5c5954;
  --border: #e5e1d8;
  --accent: #1c1b19;
  --link: #0b57d0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(28, 27, 25, 0.06), transparent 40%),
    linear-gradient(180deg, #faf8f3 0%, var(--bg) 100%);
  line-height: 1.6;
}

a {
  color: var(--link);
  text-underline-offset: 2px;
}

.wrap {
  width: min(820px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.5rem 1.4rem;
  box-shadow: 0 10px 30px rgba(28, 27, 25, 0.05);
}

h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.meta {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

h2 {
  margin: 1.75rem 0 0.6rem;
  font-size: 1.15rem;
}

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

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

li + li {
  margin-top: 0.35rem;
}

.lang {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.note {
  margin-top: 1.5rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: #f3f0ea;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-links {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.hero-links a {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #faf8f4;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.hero-links a:hover {
  border-color: #cfc9bc;
  background: #fff;
}

.site-footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (min-width: 700px) {
  .card {
    padding: 2rem 2.2rem;
  }
}