/* nachidev — shared design system
   Dark, clean, monospace-chrome + readable-sans body. Purple accent. */

:root {
  --bg: #0a0a0f;
  --bg-elev: #121219;
  --bg-elev-2: #1a1a24;
  --border: #26262f;
  --border-soft: #1e1e27;
  --fg: #f5f5f7;
  --fg-dim: #c7c7d1;
  --muted: #8a8a99;
  --muted-2: #63636f;
  --accent: #7c5cff;
  --accent-soft: #9d86ff;
  --accent-glow: rgba(124, 92, 255, 0.35);
  --success: #37d67a;
  --warn: #ffb020;
  --danger: #ff5c7c;
  --info: #46b6ff;

  --font-mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;

  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1180px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-mono);
  background:
    radial-gradient(120% 90% at 50% -10%, #16121f 0%, var(--bg) 55%) fixed,
    var(--bg);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent-soft); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: var(--accent-glow); color: #fff; }

/* Focus visibility for keyboard users */
:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 2px; border-radius: 4px; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.stack > * + * { margin-top: 1rem; }

/* ---------- brand mark ---------- */
.brand {
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--fg);
}
.brand b { color: var(--accent); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600;
  color: var(--fg); background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem; border-radius: var(--radius-sm);
  cursor: pointer; transition: border-color .15s, background .15s, transform .05s;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); background: #20202c; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: linear-gradient(180deg, var(--accent) 0%, #6a4bef 100%);
  border-color: transparent; color: #fff;
  box-shadow: 0 6px 24px var(--accent-glow);
}
.btn--primary:hover { background: linear-gradient(180deg, var(--accent-soft) 0%, var(--accent) 100%); }
.btn--ghost { background: transparent; }
.btn--sm { font-size: 0.8rem; padding: 0.4rem 0.7rem; }

/* ---------- progress bar ---------- */
.progress { height: 8px; background: var(--bg-elev-2); border-radius: 99px; overflow: hidden; border: 1px solid var(--border-soft); }
.progress > i { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left center; background: linear-gradient(90deg, var(--accent), var(--accent-soft)); border-radius: 99px; transition: transform .5s cubic-bezier(.4,0,.2,1); }

/* ---------- tag / pill ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--muted); background: var(--bg-elev); border: 1px solid var(--border-soft);
  padding: 0.2rem 0.55rem; border-radius: 99px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 10px var(--success); }

footer.site {
  border-top: 1px solid var(--border-soft);
  margin-top: 4rem; padding: 2rem 0;
  color: var(--muted-2); font-size: 0.8rem;
}