/* airisOS site — base — generated by scripts/airis-site-css.mjs; edit that file, not this one. */
:root {
  --bg: #1a1917;
  --bg-elevated: #2a2825;
  --surface: #222120;
  --surface-2: #2e2c29;
  --fg: #e8e4dc;
  --fg-strong: #f2ede4;
  --muted: #9a9690;
  --muted-2: #6e6b65;
  --border: #333128;
  --border-soft: #2a2825;
  --border-strong: #46433c;
  --accent: #d97a56;
  --accent-dim: rgba(217, 122, 86, 0.14);
  --accent-soft: rgba(217, 122, 86, 0.22);
  --accent-ink: #2a1810;
  --accent-hover: #e8896a;
  --warn: #e09a40;
  --danger: #e06b65;
  --ok: #4caf72;
  --focus: #d97a56;
  --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei UI", "Noto Sans", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei UI", "Noto Sans", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --max: 1120px;
  --max-prose: 760px;
  --pad: clamp(1.25rem, 4vw, 2rem);
  --section-y: clamp(3rem, 7vw, 5rem);
  --nav-h: 56px;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}
@media (min-width: 1600px) { :root { --max: 1280px; --max-prose: 800px; } }
@media (min-width: 2100px) { :root { --max: 1400px; --max-prose: 840px; } }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; height: 100%; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body {
  margin: 0; min-height: 100%;
  font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  color: var(--fg); background: var(--bg);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  display: flex; flex-direction: column;
  overflow-x: hidden;
}
@media (min-width: 1600px) { body { font-size: 17px; } }
@media (min-width: 2100px) { body { font-size: 18px; } }
::selection { background: var(--accent-dim); color: var(--fg); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.skip-link {
  position: absolute; left: var(--pad); top: -100px; z-index: 100;
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0 1rem; border-radius: var(--radius-sm);
  background: var(--accent); color: var(--accent-ink);
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.02em;
  transition: top 150ms var(--ease);
}
.skip-link:focus { top: 0.5rem; outline: 2px solid var(--fg); outline-offset: 2px; }
.wrap { width: min(100% - 2 * var(--pad), var(--max)); margin-inline: auto; }
.wrap-prose { width: min(100% - 2 * var(--pad), var(--max-prose)); margin-inline: auto; }
section[id], [id] { scroll-margin-top: calc(var(--nav-h) + 1rem); }
.logo {
  display: inline-flex; align-items: center; gap: 0.55rem;
  min-height: 44px; padding-inline: 0.15rem; margin-inline: -0.15rem;
  border-radius: var(--radius-sm); flex-shrink: 0;
}
.logo-word {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 650;
  letter-spacing: -0.04em; line-height: 1; color: var(--fg-strong);
  white-space: nowrap;
}
.logo-word sup {
  font-size: 0.58em; font-weight: 700; letter-spacing: 0.055em; line-height: 0;
  vertical-align: baseline; position: relative; top: -0.6em; margin-left: 0.06em;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .logo-word {
    background-image: linear-gradient(112deg, #7fe0d2 0%, #8fb8f0 46%, #a884f2 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
  }
}
.logo:hover .logo-word { filter: brightness(1.18); }
.logo:focus-visible .logo-word { filter: brightness(1.18); }
footer .logo-word { font-size: 1.9rem; }
.nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(26, 25, 23, 0.86);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; min-height: var(--nav-h); }
.nav-links { display: none; align-items: center; gap: 0.15rem 0.1rem; color: var(--muted); font-size: 0.875rem; font-weight: 500; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.65rem; border-radius: var(--radius-sm); letter-spacing: 0.01em; transition: color 150ms var(--ease), background 150ms var(--ease); white-space: nowrap; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--fg); background: var(--surface); }
.nav-links a[aria-current="page"] { color: var(--fg); background: var(--surface); }
.nav-cta { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.nav-cta .btn-sm { min-height: 44px; height: 44px; }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); color: var(--fg);
  transition: background 150ms var(--ease), border-color 150ms var(--ease);
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.nav-toggle:hover { background: var(--surface-2); border-color: var(--border-strong); }
.nav-toggle svg { width: 18px; height: 18px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
.nav-drawer { display: none; border-top: 1px solid var(--border-soft); background: var(--bg-elevated); padding: 0.75rem var(--pad) 1rem; }
.nav-drawer.is-open { display: block; }
.nav-drawer nav { display: grid; gap: 0.15rem; }
.nav-drawer nav a { display: flex; align-items: center; min-height: 48px; padding: 0 0.75rem; border-radius: var(--radius-sm); color: var(--muted); font-size: 0.9375rem; font-weight: 500; transition: color 150ms var(--ease), background 150ms var(--ease); }
.nav-drawer nav a:hover, .nav-drawer nav a:focus-visible { color: var(--fg); background: var(--surface); }
.nav-drawer-cta { display: none; }
@media (max-width: 519.98px) {
  .nav-cta .btn-primary { display: none; }
  .nav-drawer-cta { display: inline-flex; width: 100%; margin-top: 0.85rem; }
}
@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-drawer { display: none !important; }
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  min-height: 44px; height: 44px; padding: 0 1.1rem; border-radius: var(--radius);
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.02em;
  transition: background 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease), box-shadow 150ms var(--ease), transform 100ms var(--ease), filter 150ms var(--ease);
  white-space: nowrap; border: 1px solid transparent;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.18) inset, 0 1px 2px rgba(0, 0, 0, 0.3); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary:active { filter: brightness(0.98); }
.btn-primary:focus-visible { outline-color: var(--fg); outline-offset: 3px; }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--border-strong); background: var(--surface); }
.btn-secondary:active { background: var(--surface-2); }
.btn-lg { min-height: 48px; height: 48px; padding: 0 1.4rem; font-size: 0.9375rem; }
.btn-sm { min-height: 40px; height: 40px; padding: 0 0.95rem; font-size: 0.8125rem; }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.45; pointer-events: none; cursor: not-allowed; box-shadow: none; filter: none; }
@media (max-width: 520px) {
  .btn-lg { width: 100%; }
}
.page-hero { position: relative; padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3rem); overflow: hidden; }
.page-hero-inner { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono);
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.page-hero h1 {
  font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 700;
  line-height: 1.1; letter-spacing: -0.03em; max-width: 18ch;
}
.page-hero .lede { margin-top: 1.1rem; font-size: clamp(1rem, 1.5vw, 1.125rem); line-height: 1.6; color: var(--muted); max-width: 62ch; }
main { flex: 1; }
section { padding: var(--section-y) 0; }
.section-tight { padding: clamp(1.5rem, 3vw, 2.25rem) 0; }
.section-head { max-width: 46rem; margin-bottom: clamp(1.5rem, 3vw, 2.25rem); }
.section-head h2 { font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; }
.section-head p { margin-top: 0.7rem; color: var(--muted); font-size: 1rem; line-height: 1.55; max-width: 64ch; }
.section-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 0.65rem; font-weight: 500; }
footer { border-top: 1px solid var(--border-soft); padding: 3rem 0 2rem; background: var(--bg-elevated); margin-top: auto; }
.footer-top { display: flex; flex-wrap: wrap; gap: 0.75rem 2.5rem; justify-content: space-between; align-items: center; margin-bottom: 2.5rem; }
.footer-tag { font-size: 0.875rem; color: var(--muted-2); }
.footer-grid { display: grid; gap: 1.75rem; grid-template-columns: repeat(2, 1fr); margin-bottom: 2.25rem; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }
@media (min-width: 960px) { .footer-grid { grid-template-columns: repeat(5, 1fr); gap: 1.5rem; } }
.footer-col h4 { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 0.5rem; }
.footer-col ul { display: grid; }
.footer-col a { font-size: 0.875rem; color: var(--muted); font-weight: 500; min-height: 44px; display: flex; align-items: center; border-radius: var(--radius-sm); letter-spacing: 0.01em; transition: color 150ms var(--ease); }
.footer-col a:hover, .footer-col a:focus-visible { color: var(--fg); }
.footer-links { display: flex; flex-wrap: wrap; gap: 0 0.35rem; }
.footer-links a { font-size: 0.8rem; color: var(--muted); font-weight: 500; min-height: 44px; display: inline-flex; align-items: center; padding: 0 0.4rem; border-radius: var(--radius-sm); letter-spacing: 0.01em; transition: color 150ms var(--ease), background 150ms var(--ease); }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--fg); background: var(--surface); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; justify-content: space-between; align-items: center; padding-top: 1rem; border-top: 1px solid var(--border-soft); font-size: 0.8rem; color: var(--muted-2); }
.footer-bottom a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); border-radius: 2px; transition: color 150ms var(--ease); }
.footer-bottom a:hover, .footer-bottom a:focus-visible { color: var(--fg); }
.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; }