/* Mainline Audio — shared base visual system.
 *
 * Only rules that were verified byte-identical across every page that used them
 * live here. Anything that legitimately differs per page (nav padding, divider
 * height, footer padding, .gradient-text palette, .hero, buttons) stays in that
 * page's own <style> block, and product/legal pages layer
 * the-final-word-assets/style.css on top of this file.
 */

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #0a0a0a;
  color: #f5f5f5;
  font-family: "Satoshi", sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Shell ── */
#snow {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.site { position: relative; z-index: 1; }

/* ── Gradient text animation ──
   The keyframes are shared; the .gradient-text gradient itself is not — the
   music/sync/thankyou pages use a deliberately different colour ramp, so each
   page keeps its own .gradient-text rule. */
@keyframes flow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Navigation ──
   Unified in Phase 3. Pages that legitimately differ (method.html's hero
   margin, the product/legal pages' centred mobile links) override locally. */
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 32px 56px;
}
.nav-home {
  font-size: 10px; font-weight: 700; letter-spacing: 0.24em;
  text-transform: uppercase; color: rgba(245,245,245,0.18);
  text-decoration: none; transition: color 0.2s;
}
.nav-home:hover { color: #f5f5f5; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-logo { height: 20px; width: auto; opacity: 0.9; }
.nav-logo-link { display: inline-flex; line-height: 0; }
.nav-links a {
  font-size: 10px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: rgba(245,245,245,0.28);
  text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover { color: #f5f5f5; }
.nav-links a.current { color: rgba(245,245,245,0.1); pointer-events: none; }

/* ── Footer primitives ──
   footer padding stays page-specific — it is vertical rhythm against whatever
   section precedes the footer, not footer identity. */
.footer-copy { font-size: 9px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(245,245,245,0.08); margin-top: 10px; }
.footer-links-row { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 14px; }
.footer-link { font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(245,245,245,0.22); text-decoration: none; }
.footer-link:hover { color: rgba(245,245,245,0.5); }

/* ── Background player widget ── */
.audio-widget {
  position: fixed; bottom: 32px; right: 32px;
  display: flex; align-items: center; gap: 12px;
  z-index: 50; opacity: 0; transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s;
}
.audio-widget.show { opacity: 1; transform: translateY(0); }
.now-playing {
  min-width: 190px; max-width: 240px; padding: 10px 14px;
  background: rgba(255,255,255,0.055); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px; color: rgba(245,245,245,0.55); font-size: 9px;
  font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.volume-slider {
  width: 82px; accent-color: rgba(245,245,245,0.7);
  opacity: 0.45; cursor: pointer;
}
#mute-btn {
  width: 48px; height: 48px; background: rgba(255,255,255,0.07);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background 0.2s;
  border: 1px solid rgba(255,255,255,0.08); flex-shrink: 0;
}
#mute-btn:hover { background: rgba(255,255,255,0.12); }
#skip-btn {
  width: 48px; height: 48px; background: rgba(255,255,255,0.045);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s;
  border: 1px solid rgba(255,255,255,0.06); color: rgba(245,245,245,0.38);
  font-size: 18px; font-weight: 400; line-height: 1; flex-shrink: 0; user-select: none;
}
#skip-btn:hover {
  background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.12);
  color: rgba(245,245,245,0.72);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 24px 28px; flex-wrap: wrap; gap: 16px; }
  .nav-links { gap: 20px; flex-wrap: wrap; }
}