@font-face {
  font-family: "Ayo Serif";
  src: url("/assets/fonts/source-serif-4-latin-400-normal.woff2") format("woff2"),
       url("/assets/fonts/source-serif-4-cyrillic-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0400-04FF;
}
@font-face {
  font-family: "Ayo Serif";
  src: url("/assets/fonts/source-serif-4-latin-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Ayo Serif";
  src: url("/assets/fonts/source-serif-4-latin-600-normal.woff2") format("woff2"),
       url("/assets/fonts/source-serif-4-cyrillic-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Ayo Sans";
  src: url("/assets/fonts/source-sans-3-latin-400-normal.woff2") format("woff2"),
       url("/assets/fonts/source-sans-3-cyrillic-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Ayo Sans";
  src: url("/assets/fonts/source-sans-3-latin-500-normal.woff2") format("woff2"),
       url("/assets/fonts/source-sans-3-cyrillic-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Ayo Sans";
  src: url("/assets/fonts/source-sans-3-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #efeae1;
  --bg-elev: #f7f3ec;
  --ink: #1c1914;
  --muted: #6b6458;
  --faint: #8a8274;
  --line: color-mix(in oklab, var(--ink) 12%, transparent);
  --line-strong: color-mix(in oklab, var(--ink) 22%, transparent);
  --accent: #2f4a3e;
  --accent-fg: #efeae1;
  --ok: #2f4a3e;
  --warn: #8a5a28;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --font-display: "Ayo Serif", "Iowan Old Style", Palatino, Georgia, serif;
  --font-body: "Ayo Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: 1.25rem;
  --text-xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-2xl: clamp(2.1rem, 1.4rem + 2.4vw, 3.4rem);
  --text-3xl: clamp(2.6rem, 1.6rem + 3.4vw, 4.4rem);
  --leading-tight: 1.12;
  --leading-snug: 1.28;
  --leading-normal: 1.55;
  --track: -0.028em;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-fast: 250ms;
  --motion-quick: 150ms;
  --shadow: 0 18px 40px -28px color-mix(in oklab, var(--ink) 45%, transparent);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  background:
    radial-gradient(1200px 480px at 88% -10%, color-mix(in oklab, var(--accent) 7%, transparent), transparent 60%),
    var(--bg);
  color: var(--ink);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--track);
  text-wrap: balance;
  line-height: var(--leading-tight);
  margin: 0;
}
p { text-wrap: pretty; margin: 0; }
button, [role="button"] { cursor: pointer; }
button:disabled { cursor: not-allowed; }

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.mark {
  width: 28px;
  height: 28px;
  flex: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: color-mix(in oklab, var(--ink) 5%, transparent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg) !important;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: transform var(--motion-quick) var(--ease), opacity var(--motion-quick) var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); opacity: 0.92; color: var(--bg) !important; }
.nav-cta:active { transform: scale(0.98); }

.menu-btn {
  display: none;
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.hero {
  padding: var(--space-8) 0 var(--space-7);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-7);
  align-items: end;
}

.kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.hero h1 {
  font-size: var(--text-3xl);
  max-width: 14ch;
}

.lede {
  margin-top: var(--space-5);
  max-width: 46ch;
  color: var(--muted);
  font-size: var(--text-lg);
}

.hero-aside {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow);
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: var(--track);
}
.stat span {
  color: var(--muted);
  font-size: var(--text-sm);
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: var(--space-5) 0;
}

.section { padding: var(--space-7) 0; }
.section h2 { font-size: var(--text-xl); margin-bottom: var(--space-5); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.card h3 {
  font-size: 1.35rem;
  margin: 10px 0 8px;
}
.card p { color: var(--muted); }
.card .idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--faint);
}

.band {
  border-block: 1px solid var(--line);
  background: color-mix(in oklab, var(--accent) 6%, var(--bg));
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-7);
  align-items: start;
}

.muted { color: var(--muted); }
.small { font-size: var(--text-sm); }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table th {
  text-align: left;
  font-weight: 500;
  color: var(--faint);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.table td {
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--ok);
  margin-right: 8px;
}
.dot.warn { background: var(--warn); }

.form {
  display: grid;
  gap: var(--space-4);
}
label {
  display: grid;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
}
input, textarea, select {
  font: inherit;
  color: var(--ink);
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  min-height: 44px;
  padding: 10px 12px;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: 2px solid color-mix(in oklab, var(--accent) 45%, transparent);
  outline-offset: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font: 600 var(--text-sm)/1 var(--font-body);
  transition: transform var(--motion-quick) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-7) 0 var(--space-6);
  color: var(--muted);
  font-size: var(--text-sm);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
}
.foot-grid h4 {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.foot-grid a { display: block; text-decoration: none; padding: 4px 0; color: var(--muted); }
.legal { margin-top: var(--space-6); color: var(--faint); }

.page-head { padding: var(--space-8) 0 var(--space-5); }
.page-head h1 { font-size: var(--text-2xl); max-width: 16ch; }
.page-head p { margin-top: var(--space-4); max-width: 52ch; color: var(--muted); }

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1em; }
.prose h2 { margin: 1.6em 0 0.6em; font-size: 1.5rem; }

.notice {
  display: none;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--accent) 12%, var(--bg));
  border: 1px solid var(--line);
}

@media (max-width: 860px) {
  .hero, .split, .grid-3, .foot-grid { grid-template-columns: 1fr; }
  .menu-btn { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    inset: 68px 20px auto;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 8px;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav { position: relative; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}