/* ============================================================
   PRESENTATION THEME
   Extracted from CYB / Platinium Cast offer design system.
   Pairs with vendor/reveal.css — overrides reveal defaults.
   ============================================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: local('Inter');
}

:root {
  /* ---------- Color tokens ---------- */
  --color-bg:            #0a0a0a;
  --color-bg-soft:       #111111;
  --color-bg-card:       #151515;
  --color-fg:            #ffffff;
  --color-muted:         rgba(255, 255, 255, 0.62);
  --color-muted-strong:  rgba(255, 255, 255, 0.78);
  --color-rule:          rgba(255, 255, 255, 0.08);
  --color-rule2:         rgba(255, 255, 255, 0.18);
  --color-accent:        #b8e83e;
  --color-accent-dim:    rgba(184, 232, 62, 0.16);

  --color-warning:       #f5d76e;
  --color-alert:         #f57461;
  --color-secondary:     #3aa6ff;

  --gradient-thumb: linear-gradient(135deg,
    rgba(184, 232, 62, 0.40) 0%,
    rgba(184, 232, 62, 0.10) 40%,
    rgba(58, 166, 255, 0.25) 100%);

  --gradient-stripe: repeating-linear-gradient(135deg,
    #151515, #151515 10px, #0a0a0a 10px, #0a0a0a 20px);

  /* ---------- Type ---------- */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, monospace;

  /* ---------- Effects ---------- */
  --shadow-card: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 10px var(--color-accent);

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

/* ============================================================
   Reveal.js overrides
   ============================================================ */

html, body {
  background: var(--color-bg);
}

.reveal {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-fg);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  background: var(--color-bg);
}

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

.reveal .slides > section,
.reveal .slides > section > section {
  padding: 0;
  text-align: left;
}

/* ---------- Headings ---------- */
.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--color-fg);
  text-transform: none;
  letter-spacing: -0.025em;
  margin: 0 0 0.4em;
  line-height: 1.05;
}
.reveal h1 { font-size: clamp(44px, 6vw, 82px); letter-spacing: -0.035em; line-height: 1.02; }
.reveal h2 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.025em; line-height: 1.10; }
.reveal h3 { font-size: clamp(20px, 2vw, 26px); letter-spacing: -0.01em;  line-height: 1.30; }
.reveal h4 { font-size: 17px; }

.reveal .accent { color: var(--color-accent); }
.reveal em.accent, .reveal .accent em { font-style: normal; color: var(--color-accent); }

/* ---------- Body text ---------- */
.reveal p {
  color: var(--color-muted-strong);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 1em;
}
.reveal .lead {
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--color-muted-strong);
  max-width: 720px;
}
.reveal .muted { color: var(--color-muted); }

/* ---------- Eyebrow label ---------- */
.reveal .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 24px;
}
.reveal .eyebrow .num { color: var(--color-accent); }
.reveal .eyebrow .dash {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-rule2);
}

/* ---------- Pill chip ---------- */
.reveal .pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(184, 232, 62, 0.40);
  color: var(--color-accent);
}

/* ---------- Cards ---------- */
.reveal .card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.reveal .card-flat {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 24px;
}
.reveal .card-dashed {
  background: transparent;
  border: 1px dashed var(--color-rule2);
  border-radius: var(--radius-md);
  padding: 24px;
}

/* ---------- Stats ---------- */
.reveal .stat {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  line-height: 1;
}
.reveal .stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 8px;
}

/* ---------- Grid helpers ---------- */
.reveal .grid { display: grid; gap: 20px; }
.reveal .grid-2 { grid-template-columns: 1fr 1fr; }
.reveal .grid-3 { grid-template-columns: repeat(3, 1fr); }
.reveal .grid-4 { grid-template-columns: repeat(4, 1fr); }
.reveal .row { display: flex; gap: 20px; align-items: center; }
.reveal .stack > * + * { margin-top: 16px; }

/* ---------- Buttons (display only) ---------- */
.reveal .btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 500;
  font-size: 14px;
}
.reveal .btn-ghost {
  background: transparent;
  color: var(--color-fg);
  border: 1px solid var(--color-rule2);
  border-radius: 999px;
}

/* ---------- Accent dot ---------- */
.reveal .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 999px;
  box-shadow: var(--shadow-glow);
  vertical-align: middle;
}

/* ---------- Rule / divider ---------- */
.reveal .hr {
  border: 0;
  border-top: 1px solid var(--color-rule);
  margin: 32px 0;
}

/* ---------- Lists ---------- */
.reveal ul, .reveal ol {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}
.reveal ul li, .reveal ol li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--color-muted-strong);
  line-height: 1.5;
}
.reveal ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 999px;
}
.reveal ol { counter-reset: li; }
.reveal ol li { counter-increment: li; }
.reveal ol li::before {
  content: counter(li, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  top: 0.35em;
}

/* ---------- Code ---------- */
.reveal code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-rule);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-fg);
}
.reveal pre {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: none;
  font-size: 14px;
}

/* ---------- Title slide variant ---------- */
.reveal .title-slide {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ---------- Reveal controls / progress recolor ---------- */
.reveal .controls { color: var(--color-accent); }
.reveal .progress { color: var(--color-accent); background: var(--color-rule); height: 3px; }
.reveal .slide-number {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  background: transparent;
}

/* ---------- Print / PDF ---------- */
@media print {
  .reveal .slides section { page-break-inside: avoid; }
}