/* Sonic Weapons / Chord Agent 2 — shared shell (tokens, base, header, footer, primitives).
   Used by index.html and every other page in web/public. Documented in ws-site-shell.md. */
:root {
  --sw-bg: #121214;
  --sw-bg-2: #1a1a1d;
  --sw-panel: #2a2b2e;
  --sw-panel-hi: #3a3b3f;
  --sw-line: #3c3d41;
  --sw-text: #e9e6df;
  --sw-muted: #a8a49b;
  --sw-amber: #ffb347;
  --sw-amber-dim: #b97a26;
  --sw-cyan: #00ced1;
  --sw-cyan-dim: #0b7f81;
  --sw-copper: #c98a5a;
  --sw-copper-hi: #f0c49a;
  --sw-led: #39e46b;
  --sw-cream: #efe4c8;
  --sw-walnut: #6b3f22;
  --sw-recess: #060607;
  --sw-radius: 10px;
  --sw-radius-sm: 6px;
  --sw-max: 1180px;
  --sw-pad: clamp(16px, 4vw, 32px);
  --sw-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sw-font-stencil: "Arial Black", "Helvetica Neue", Impact, system-ui, sans-serif;
  --sw-font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sw-shadow: 0 1px 0 rgba(255, 255, 255, .06) inset, 0 10px 30px rgba(0, 0, 0, .45);
  --sw-brushed: repeating-linear-gradient(90deg, rgba(255, 255, 255, .018) 0 1px, rgba(0, 0, 0, .025) 1px 3px),
    linear-gradient(180deg, #34353a, #26272a);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--sw-bg);
  color: var(--sw-text);
  font: 400 17px/1.6 var(--sw-font);
  -webkit-font-smoothing: antialiased;
}
img, video, canvas, svg { display: block; max-width: 100%; }
img, video { height: auto; }
a { color: var(--sw-amber); text-underline-offset: 3px; }
a:hover { color: #ffd08a; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
code, kbd { font-family: var(--sw-font-mono); font-size: .92em; }
:focus-visible { outline: 2px solid var(--sw-cyan); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--sw-amber); color: #111; }

.sw-wrap { max-width: var(--sw-max); margin: 0 auto; padding: 0 var(--sw-pad); }
.sw-skip {
  position: absolute; left: 8px; top: -60px; z-index: 100;
  background: var(--sw-amber); color: #111; padding: 8px 14px; border-radius: 6px; font-weight: 700;
}
.sw-skip:focus { top: 8px; }
.sw-visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.sw-eyebrow {
  font: 700 .75rem/1 var(--sw-font-stencil);
  letter-spacing: .32em; text-transform: uppercase; color: var(--sw-muted); margin: 0 0 14px;
}

/* ---------- Header ---------- */
.sw-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(18, 18, 20, .86);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.sw-header__inner {
  display: flex; align-items: center; gap: 20px;
  max-width: var(--sw-max); margin: 0 auto; padding: 0 var(--sw-pad); height: 60px;
}
.sw-wordmark {
  display: inline-flex; align-items: baseline; gap: 10px;
  color: var(--sw-text); text-decoration: none; white-space: nowrap;
  font: 900 15px/1 var(--sw-font-stencil); letter-spacing: .32em; text-transform: uppercase;
}
.sw-wordmark:hover { color: #fff; }
.sw-wordmark small {
  font-size: 9px; letter-spacing: .28em; color: var(--sw-muted); font-weight: 700;
}
.sw-nav { display: flex; gap: 22px; margin-left: auto; }
.sw-nav a {
  color: var(--sw-muted); text-decoration: none; font-size: 14px; font-weight: 600;
}
.sw-nav a:hover, .sw-nav a[aria-current="page"] { color: var(--sw-text); }
.sw-header .btn { padding: 9px 16px; font-size: 14px; }
@media (max-width: 760px) {
  .sw-nav { display: none; }
  .sw-header .btn { margin-left: auto; }
  .sw-wordmark small { display: none; }
  .sw-wordmark { font-size: 13px; letter-spacing: .26em; }
}

/* ---------- Footer ---------- */
.sw-footer {
  border-top: 1px solid var(--sw-line);
  background: #0e0e10;
  color: var(--sw-muted);
  font-size: 14px;
  padding: 40px 0 48px;
}
.sw-footer__inner {
  display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 24px;
  max-width: var(--sw-max); margin: 0 auto; padding: 0 var(--sw-pad);
}
.sw-footer__brand {
  font: 900 13px/1.4 var(--sw-font-stencil); letter-spacing: .3em; text-transform: uppercase; color: var(--sw-text);
}
.sw-footer nav { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.sw-footer a { color: var(--sw-muted); text-decoration: none; }
.sw-footer a:hover { color: var(--sw-text); text-decoration: underline; }
.sw-footer__copy { width: 100%; margin: 0; font-size: 13px; color: #8a867e; }

/* ---------- Primitives ---------- */
.panel {
  background: var(--sw-brushed);
  border: 1px solid #45464b;
  border-radius: var(--sw-radius);
  box-shadow: var(--sw-shadow);
  padding: clamp(18px, 3vw, 28px);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font: 800 15px/1 var(--sw-font); letter-spacing: .02em; text-decoration: none; cursor: pointer;
  color: var(--sw-text);
  background: linear-gradient(180deg, #4a4b50, #2c2d31);
  border: 1px solid #5d5e63;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .14) inset, 0 2px 6px rgba(0, 0, 0, .45);
  transition: transform .12s ease, filter .12s ease;
}
.btn:hover { color: #fff; filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  color: #1d1309;
  background: radial-gradient(120% 140% at 30% 20%, var(--sw-copper-hi), var(--sw-copper) 55%, #8d5634);
  border-color: #e7b78d;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .45) inset, 0 0 0 3px rgba(201, 138, 90, .18), 0 6px 18px rgba(0, 0, 0, .5);
}
.btn-primary:hover { color: #000; }
.btn-ghost { background: transparent; border-color: #55565b; box-shadow: none; }
.btn-lg { padding: 16px 30px; font-size: 17px; }

.vfd, .lcd {
  font-family: var(--sw-font-mono);
  background: var(--sw-recess);
  border-radius: var(--sw-radius-sm);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, .9), inset 0 0 0 1px rgba(255, 255, 255, .04), 0 1px 0 rgba(255, 255, 255, .06);
  padding: 12px 16px;
}
.vfd { color: var(--sw-amber); text-shadow: 0 0 8px rgba(255, 179, 71, .45); }
.lcd {
  color: var(--sw-cyan); text-shadow: 0 0 8px rgba(0, 206, 209, .45);
  background: radial-gradient(120% 120% at 50% 0%, #062022, #020a0b);
}
.led {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--sw-led); box-shadow: 0 0 8px var(--sw-led);
}

/* Simple content page layout for legal/support/download pages */
.sw-page { padding: clamp(32px, 6vw, 64px) 0; }
.sw-page .sw-wrap { max-width: 820px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}