:root {
  --reading-scale: 1;
  --page-max-width: 116rem;
  --content-max-width: 78rem;
  --radius-xs: 0.25rem;
  --radius-sm: 0.45rem;
  --radius-md: 0.8rem;
  --radius-lg: 1.1rem;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --shadow-soft: 0 0.8rem 2rem rgba(29, 27, 24, 0.06);
  --shadow-strong: 0 1.5rem 3.4rem rgba(29, 27, 24, 0.14);
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-sans: Aptos, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --color-bg: #f3efe7;
  --color-bg-alt: #e6e0d4;
  --color-panel: #fbf8f1;
  --color-panel-alt: #eee7db;
  --color-utility: #f6f1e8;
  --color-border: #c9c0b2;
  --color-border-strong: #aa9f91;
  --color-text: #1d1b18;
  --color-text-muted: #645d53;
  --color-accent: #5b6873;
  --color-accent-strong: #44515c;
  --color-accent-soft: rgba(91, 104, 115, 0.12);
  --color-material: #7b7158;
  --color-material-soft: rgba(123, 113, 88, 0.12);
  --color-overlay: rgba(12, 12, 11, 0.86);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --color-bg: #141412;
  --color-bg-alt: #1c1c19;
  --color-panel: #23231f;
  --color-panel-alt: #2b2a25;
  --color-utility: #1a1916;
  --color-border: #46433d;
  --color-border-strong: #5a564e;
  --color-text: #ece6da;
  --color-text-muted: #b8b0a4;
  --color-accent: #91a1ad;
  --color-accent-strong: #b6c0c8;
  --color-accent-soft: rgba(145, 161, 173, 0.15);
  --color-material: #9a8861;
  --color-material-soft: rgba(154, 136, 97, 0.16);
  --color-overlay: rgba(4, 4, 4, 0.9);
  --shadow-soft: 0 0.9rem 2.2rem rgba(0, 0, 0, 0.22);
  --shadow-strong: 0 1.7rem 3.8rem rgba(0, 0, 0, 0.34);
  color-scheme: dark;
}

html {
  font-size: calc(16px * var(--reading-scale));
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(123, 113, 88, 0.08), transparent 16rem),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-serif);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 600;
}

p,
figure,
ul,
ol,
dl,
dd,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

img,
svg,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

summary {
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

:focus-visible {
  outline: 0.16rem solid var(--color-accent);
  outline-offset: 0.18rem;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.skip-link {
  position: fixed;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 1200;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: var(--color-bg);
  transform: translateY(-180%);
  transition: transform 0.2s ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.noscript-message {
  margin: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}