/* ============================================================
   Mercuriosity — Page components (Congruence Gap Scan pages)
   ------------------------------------------------------------
   Colours, fonts and design tokens come from the canonical
   `colors_and_type.css` — link THAT before this file.
   This file only holds the page pieces (nav, footer, buttons,
   layout) that the Scan pages need and the token file does not
   provide.
   ============================================================ */

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--mc-bg);color:var(--mc-ink);
  font-family:var(--mc-font-body);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
html{scroll-behavior:smooth}
button{font:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
img{display:block}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:120px 0}

.eyebrow{
  font-size:12px;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--mc-quicksilver-500);font-weight:500;margin:0 0 18px;
}
.section-title{
  font-family:var(--mc-font-display);font-size:clamp(32px,3.6vw,48px);
  font-weight:500;letter-spacing:-0.018em;line-height:1.12;
  color:var(--mc-ink);margin:0 0 18px;text-wrap:balance;
}
.section-lede{
  font-size:20px;line-height:1.55;color:var(--mc-ink-muted);
  max-width:64ch;margin:0;text-wrap:pretty;
}
.violet{color:var(--mc-violet-500)}

/* Buttons */
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;padding:15px 24px;
  border-radius:999px;background:var(--mc-violet-500);color:var(--mc-bg);
  font-size:15px;font-weight:500;border:0;
  box-shadow:0 12px 32px rgba(91,42,138,0.18),0 2px 4px rgba(91,42,138,0.10);
  transition:background 220ms cubic-bezier(0.22,0.61,0.36,1);
}
.btn-primary:hover{background:var(--mc-violet-600)}
.btn-primary:active{background:var(--mc-violet-700)}
.btn-secondary{
  display:inline-flex;align-items:center;gap:10px;padding:15px 24px;
  border-radius:999px;background:transparent;color:var(--mc-ink);
  font-size:15px;font-weight:500;
  border:1px solid color-mix(in srgb, var(--mc-quicksilver-400) 50%, transparent);
  transition:all 220ms cubic-bezier(0.22,0.61,0.36,1);
}
.btn-secondary:hover{
  border-color:color-mix(in srgb, var(--mc-violet-500) 35%, transparent);
  color:var(--mc-violet-500);
}

/* Logo */
.logo{display:inline-flex;align-items:center;gap:10px}
.logo img{object-fit:contain}
.logo .wordmark{
  font-family:var(--mc-font-display);font-weight:500;letter-spacing:-0.02em;
  color:var(--mc-violet-500);
}

/* Nav */
nav.top{
  position:sticky;top:0;z-index:10;
  background:color-mix(in srgb, var(--mc-bg) 92%, transparent);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mc-line);
}
nav.top .container{display:flex;align-items:center;gap:24px;height:64px}
nav.top .navlinks{display:flex;gap:22px;margin-left:8px}
nav.top .navlinks a{
  font-size:13.5px;font-weight:500;color:var(--mc-ink-muted);
  display:inline-flex;align-items:center;gap:4px;white-space:nowrap;
}
nav.top .navlinks a:hover{color:var(--mc-violet-500)}
nav.top .nav-cta{margin-left:auto;padding:10px 18px;font-size:13.5px;white-space:nowrap;flex-shrink:0}
.nav-toggle{display:none}

/* Card */
.card{
  background:var(--mc-bg-elevated);
  box-shadow:0 1px 2px rgba(42,39,51,0.06),inset 0 1px 0 rgba(255,255,255,0.6);
}

/* Footer */
footer.site{border-top:1px solid var(--mc-line);padding:64px 0 48px;background:var(--mc-bg)}
footer.site .cols{
  display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));
  gap:40px;align-items:start;
}
footer.site .tag{
  margin-top:18px;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--mc-quicksilver-500);font-weight:500;line-height:1.7;
}
footer.site h4{
  font-size:11px;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--mc-ink-quiet);font-weight:500;margin:0 0 14px;
}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
footer.site ul a{
  font-size:14px;color:var(--mc-ink-muted);display:inline-flex;align-items:center;gap:4px;
}
footer.site ul a:hover{color:var(--mc-violet-500)}
footer.site .baseline{
  margin-top:64px;padding-top:24px;border-top:1px solid var(--mc-line);
  display:flex;justify-content:space-between;font-size:12px;color:var(--mc-ink-quiet);
}
footer.site .baseline .ver{font-family:var(--mc-font-mono)}
.ext{opacity:0.6;display:inline-flex}

/* Shared responsive chrome */
@media (max-width:860px){
  .section{padding:80px 0}
  .container{padding:0 22px}
  footer.site .cols{grid-template-columns:1fr 1fr;gap:32px}
  nav.top .navlinks{display:none}
  nav.top .navlinks.open{
    display:flex;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;gap:0;background:var(--mc-bg);
    border-bottom:1px solid var(--mc-line);padding:8px 22px 16px;
  }
  nav.top .navlinks.open a{padding:12px 0;font-size:15px}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border:1px solid var(--mc-line);border-radius:10px;
    background:transparent;margin-left:8px;order:3;
  }
  nav.top .nav-cta{
    display:inline-flex;margin-left:auto;
    padding:9px 14px;font-size:12.5px;order:2;
  }
}
@media (max-width:420px){
  nav.top .container{gap:12px}
  nav.top .nav-cta{padding:8px 12px;font-size:12px}
  nav.top .nav-cta svg{display:none}
}
@media (max-width:520px){
  footer.site .cols{grid-template-columns:1fr}
  footer.site .baseline{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:0.01ms !important}
}