/* Shared brand tokens for splash + login + app.
   Mirrors bart/branding.py 1:1. */
:root {
  --cream:       #f4f1ea;
  --cream-hi:    #fbf9f4;
  --cream-lo:    #e6e0d0;
  --cream-edge:  #d9d3c4;
  --ink:         #221f1b;
  --ink-soft:    #3a342d;
  --ink-mute:    #6d655a;
  --ink-faint:   #a59c8c;
  --accent:      #c96442;
  --accent-hi:   #e88a6a;
  --accent-lo:   #9a4628;
  --accent-tint: #efd8cc;
  --ok:          #7fb069;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

*,*::before,*::after { box-sizing: border-box; }
html,body { margin: 0; padding: 0; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

/* universal mascot animations */
@keyframes bart-breathe {
  0%,100% { transform: translateY(0)    scale(1.00, 1.00); }
  50%     { transform: translateY(-4px) scale(1.015, 0.985); }
}
@keyframes blink {
  0%, 92%, 100% { transform: scaleY(1); }
  96%           { transform: scaleY(0.08); }
}
.bart-blink { animation: blink 5.2s ease-in-out infinite; transform-origin: center; }

/* reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

.mark {
  display: inline-flex; align-items: baseline; gap: 0;
  font-family: var(--font-sans); font-weight: 800;
  color: var(--ink); letter-spacing: -0.025em;
}
.mark .dot { color: var(--accent); }

/* primary button */
.cta {
  appearance: none; border: 0;
  font-family: var(--font-sans);
  font-weight: 700; font-size: 15.5px;
  letter-spacing: -0.005em;
  color: var(--cream-hi);
  background: var(--accent);
  padding: 15px 26px;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 10px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.35) inset,
    0 10px 28px rgba(201,100,66,0.30),
    0 1px 2px rgba(154,70,40,0.4);
  transition: transform .14s ease, box-shadow .14s ease, background .14s ease;
}
.cta:hover { background: var(--accent-hi); transform: translateY(-1px); }
.cta:active { transform: translateY(0); }
.cta.ghost {
  background: transparent; color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--cream-edge);
}
.cta.ghost:hover { color: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); transform: translateY(-1px); }

.cta .arrow { width: 16px; height: 16px; display: inline-block; transform: translateY(1px); }