/* ══════════════════════════════════════════════
   Atomaste Reveal.js Dark Theme (v2)
   CDR Deck — GigaBIT M1 Primary Mirror
   ══════════════════════════════════════════════ */

:root {
  --atomaste-bg:       #0b0f14;
  --atomaste-fg:       #e8eef7;
  --atomaste-muted:    #a8b3c2;
  --atomaste-accent:   #7dd3fc;   /* cyan */
  --atomaste-accent-2: #a78bfa;   /* violet */
  --atomaste-green:    #4ade80;
  --atomaste-amber:    #fbbf24;
  --atomaste-red:      #f87171;
  --atomaste-surface:  rgba(255,255,255,0.04);
  --atomaste-border:   rgba(232,238,247,0.10);
}

/* ── Base ── */
.reveal {
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  color: var(--atomaste-fg);
}

.reveal .slides { text-align: left; }

/* ── Background ── */
.reveal-viewport {
  background:
    radial-gradient(1200px 800px at 15% 10%, rgba(125,211,252,0.14), transparent 55%),
    radial-gradient(900px 600px at 85% 30%, rgba(167,139,250,0.12), transparent 60%),
    linear-gradient(180deg, #070a0f 0%, #0b0f14 100%);
}

/* subtle floating glow */
.reveal-viewport::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(500px 320px at 10% 20%, rgba(125,211,252,0.10), transparent 60%),
    radial-gradient(420px 280px at 90% 40%, rgba(167,139,250,0.08), transparent 62%),
    radial-gradient(520px 360px at 40% 95%, rgba(125,211,252,0.06), transparent 65%);
  opacity: 0.9;
  transform: translate3d(0,0,0);
  animation: atomasteFloat 18s ease-in-out infinite;
}

@keyframes atomasteFloat {
  0%   { transform: translate3d(0,0,0); }
  50%  { transform: translate3d(18px,-10px,0); }
  100% { transform: translate3d(0,0,0); }
}

/* ── Typography ── */
.reveal h1, .reveal h2, .reveal h3 {
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--atomaste-fg);
  margin-bottom: 0.35em;
}

.reveal h1 { font-size: 2.25em; }
.reveal h2 { font-size: 1.65em; }
.reveal h3 { font-size: 1.15em; color: var(--atomaste-accent); font-weight: 600; }

.reveal p, .reveal li {
  font-size: 0.76em;
  line-height: 1.55;
  color: var(--atomaste-fg);
}

.reveal a { color: var(--atomaste-accent); text-decoration: none; }
.reveal a:hover { text-decoration: underline; }

/* ── Lists ── */
.reveal ul { margin-left: 1.1em; }
.reveal ol { margin-left: 1.1em; }
.reveal li { margin: 0.35em 0; }

/* ── Images ── */
.reveal img {
  max-height: 62vh;
  border-radius: 10px;
  border: 1px solid var(--atomaste-border);
}

/* ── Footer ── */
.atomaste-footer {
  position: absolute;
  left: 36px; right: 36px; bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: rgba(232,238,247,0.65);
  pointer-events: none;
}

.atomaste-footer img { height: 22px; opacity: 0.9; }

.atomaste-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--atomaste-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
}

/* ── Section dividers ── */
.section-divider { display: grid; gap: 18px; }
.section-divider .kicker {
  font-size: 0.9em;
  color: var(--atomaste-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.section-divider .title { font-size: 2.1em; line-height: 1.1; }

/* ── Fragment animation ── */
.reveal .fragment.fade-up { transform: translateY(6px); }

/* ── Code blocks ── */
.reveal pre code { font-size: 0.8em; line-height: 1.3; }