*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --flow-request: var(--info);
  --flow-data: var(--success);
  --flow-identity: var(--chart-4);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  background: var(--background);
  color: var(--foreground);
  line-height: 1.625;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
body::-webkit-scrollbar { width: 0; background: transparent; }
::selection { background: var(--foreground); color: var(--background); }
a { color: inherit; text-decoration: none; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

.noise {
  position: fixed; inset: 0;
  opacity: .015;
  pointer-events: none;
  z-index: 50;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.site-nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklch, var(--background) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in oklch, var(--foreground) 5%, transparent);
  padding: .75rem 1.5rem;
}
.nav-inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-brand { font-weight: 400; font-size: .95rem; display: inline-flex; align-items: center; gap: .45rem; }
.nav-brand img { height: 1.2em; width: 1.2em; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted-foreground);
  transition: color .3s;
}
.nav-links a:hover { color: color-mix(in oklch, var(--foreground) 70%, transparent); }
.nav-links .nav-strong { color: color-mix(in oklch, var(--foreground) 60%, transparent); }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: .5rem; margin-right: -.5rem;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 1.5px;
  background: color-mix(in oklch, var(--foreground) 50%, transparent);
  transition: all .3s;
}
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

section { padding: 5rem 0; border-top: 1px solid color-mix(in oklch, var(--foreground) 5%, transparent); }
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}
.section-title {
  font-weight: 300;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 1rem;
  max-width: 760px;
}
.section-title .dim { color: color-mix(in oklch, var(--foreground) 30%, transparent); }
.section-lead {
  color: var(--muted-foreground);
  font-size: .95rem;
  line-height: 1.75;
  max-width: 660px;
  margin-bottom: 2.5rem;
}
.section-lead strong { color: color-mix(in oklch, var(--foreground) 80%, transparent); font-weight: 400; }
.mono-note {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--foreground) 30%, transparent);
}
.mono-note a { color: var(--muted-foreground); border-bottom: 1px solid color-mix(in oklch, var(--foreground) 15%, transparent); transition: color .3s; }
.mono-note a:hover { color: color-mix(in oklch, var(--foreground) 85%, transparent); }

footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid color-mix(in oklch, var(--foreground) 5%, transparent);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .5rem;
}
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
footer span, footer a {
  font-family: var(--font-mono); font-size: 11px;
  color: color-mix(in oklch, var(--foreground) 30%, transparent); letter-spacing: 0.05em;
}
footer a { color: var(--muted-foreground); transition: color .3s; }
footer a:hover { color: color-mix(in oklch, var(--foreground) 70%, transparent); }
.footer-legal {
  margin-top: 2rem; padding-top: 2rem;
  border-top: 1px solid color-mix(in oklch, var(--foreground) 5%, transparent);
  text-align: center;
}
.footer-legal span { font-size: 10px; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; flex-direction: column; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--background);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid color-mix(in oklch, var(--foreground) 5%, transparent);
    padding: 1rem 1.5rem;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: .5rem 0; }
  .nav-links a { font-size: 12px; }
  .container { padding: 0 1.25rem; }
  section { padding: 3.5rem 0; }
  .footer-inner { flex-direction: column; text-align: center; gap: 1rem; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  section { padding: 2.5rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.app-icon {
  position: relative; overflow: hidden; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-xl);
  background: color-mix(in oklch, var(--foreground) 4%, var(--card));
  color: color-mix(in oklch, var(--foreground) 72%, transparent);
  border: 1px solid var(--border);
}
.app-icon img { position: absolute; inset: 18%; width: 64%; height: 64%; object-fit: contain; }

.nav-end { display: flex; align-items: center; gap: 1.25rem; }
.theme-toggle {
  width: 30px; height: 30px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: none; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--muted-foreground);
  transition: color .2s, border-color .2s;
}
.theme-toggle:hover { color: var(--foreground); border-color: color-mix(in oklch, var(--foreground) 25%, transparent); }
.theme-toggle svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.theme-icon-sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-icon-moon { display: none; }
}
:root[data-theme="dark"] .theme-icon-sun { display: block; }
:root[data-theme="dark"] .theme-icon-moon { display: none; }