:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --ink: #16161c;
  --ink-soft: rgba(22, 22, 28, 0.62);
  --accent: #c9a84c;
  --on-accent: #15130c;
  --border: rgba(20, 20, 28, 0.1);
  --dark-bg: #0d0d12;
  --dark-ink: #faf8f5;
  --dark-soft: rgba(250, 248, 245, 0.6);
  --radius-sm: 1rem;
  --font-head: "Inter", system-ui, sans-serif;
  --font-drama: "Playfair Display", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-head);
  line-height: 1.65;
  overflow-x: hidden;
}
::selection {
  background: var(--accent);
  color: var(--on-accent);
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
}
svg {
  display: block;
}

.grain-src {
  position: absolute;
}
.grain {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
}

.lift {
  transition:
    transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    color 0.35s ease,
    opacity 0.35s ease;
}
.lift:hover {
  transform: translateY(-1px);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  flex: none;
}

.nav {
  width: min(1180px, calc(100% - 32px));
  margin: 18px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.6rem 0.55rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  box-shadow: 0 10px 40px -22px rgba(0, 0, 0, 0.35);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}
.nav__mark {
  display: inline-flex;
  color: var(--ink);
}
.nav__word {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  opacity: 0.88;
}

.langs {
  display: flex;
  gap: 0.4rem;
}
.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  background: transparent;
  color: inherit;
  border: 1px solid color-mix(in srgb, currentColor 26%, transparent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.75;
}
.lang:hover {
  opacity: 1;
}
.lang--on {
  opacity: 1;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}
.lang .flag {
  display: block;
  flex: none;
  border-radius: 2px;
}

.doc {
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem 2rem;
}
.doc__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.doc__title {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 1.02;
  margin: 0.7rem 0 0;
  color: var(--ink);
  text-wrap: balance;
}
.doc__title em {
  font-family: var(--font-drama);
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0;
}
.doc__rule {
  display: block;
  width: 3.5rem;
  height: 6px;
  background: var(--accent);
  border-radius: 3px;
  margin: 1.25rem 0 0;
}
.doc__updated {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.doc__body {
  margin-top: 2.5rem;
}
.doc__body h2 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.015em;
  font-size: 1.3rem;
  margin: 2.5rem 0 0.6rem;
  color: var(--ink);
}
.doc__body p {
  margin: 0.9rem 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  text-wrap: pretty;
}
.doc__body ul {
  margin: 0.9rem 0 0;
  padding-left: 1.3rem;
  color: var(--ink-soft);
}
.doc__body li {
  margin: 0.4rem 0;
}
.doc__body strong {
  color: var(--ink);
  font-weight: 600;
}
.doc__body a {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}
.doc__body a:hover {
  color: var(--accent);
}
.doc__body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  padding: 0.12em 0.4em;
  border-radius: 5px;
}

.footer {
  background: var(--dark-bg);
  color: var(--dark-ink);
  border-radius: 4rem 4rem 0 0;
  margin-top: clamp(3rem, 8vw, 6rem);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
}
.footer__top {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--dark-ink) 14%, transparent);
}
.footer__mark {
  display: inline-flex;
  color: var(--dark-ink);
}
.footer__tag {
  margin: 0;
  max-width: 30rem;
  color: var(--dark-soft);
  line-height: 1.6;
  font-size: 0.98rem;
}
.footer__bottom {
  width: min(1240px, calc(100% - 48px));
  margin: 1.6rem auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__legal {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--dark-soft);
  opacity: 0.7;
}
.footer__home {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--dark-soft);
}
.footer__home:hover {
  color: var(--accent);
}

@media (max-width: 600px) {
  .nav__word {
    display: none;
  }
  .footer__top {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}