/* Trang giữ chỗ khi build ở chế độ placeholder. Không dùng chung với site khác. */
:root {
  color-scheme: light dark;
  --bg: #fbf6ec;
  --ink: #2a1d12;
  --muted: #7c6a55;
  --leather: #7a4a28;
  --font-book: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-label: "Optima", "Gill Sans", Calibri, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16110c;
    --ink: #f3e8d8;
    --muted: #a8967f;
    --leather: #c98f5b;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-book);
  line-height: 1.7;
}

main {
  max-width: 46ch;
  border-left: 3px solid var(--leather);
  padding: 4px 0 4px 22px;
}

.flag {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--leather);
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(1.7rem, 1.4rem + 1.2vw, 2.3rem);
  line-height: 1.2;
  margin: 0 0 14px;
  font-weight: 600;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

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

a:focus-visible {
  outline: 3px solid var(--leather);
  outline-offset: 3px;
}