/* ─────────────────────────────────────────────────────────────
   HEAT × UNIDO — Vision to Investment
   Design tokens
   ───────────────────────────────────────────────────────────── */
:root {
  /* ── HEAT official palette ── */
  /* Green family */
  --green-100: #F0F858;
  --green-200: #DAF100;
  --green-500: #62D32F;  /* HEAT signature */
  --green-700: #00953C;
  --green-900: #005000;

  /* Blue family */
  --blue-100: #6FF1F8;
  --blue-300: #00AFD7;   /* cooling / Track B */
  --blue-500: #005CA8;
  --blue-700: #114A7D;   /* industry */
  --blue-900: #003E51;   /* primary dark */

  /* Orange family */
  --orange-100: #FFD700;
  --orange-300: #FF8C00;
  --orange-500: #FF5721;  /* alert */
  --orange-700: #C21632;
  --orange-900: #7C1B35;

  /* Aliases used across the deck */
  --heat-green: var(--green-500);
  --heat-green-ink: #3FA018;
  --heat-green-dim: var(--green-700);
  --ink-900: #002530;
  --ink-800: var(--blue-900);
  --ink-700: #0A3246;
  --ink-600: var(--blue-700);
  --cyan: var(--blue-300);
  --cyan-ink: #007FA0;
  --orange: var(--orange-500);
  --amber: var(--orange-100);

  /* Neutrals */
  --paper: #FBFBF8;      /* warm off-white */
  --paper-2: #F3F3EE;
  --rule: #D9D9D1;
  --rule-soft: #E8E8E1;
  --fg: #0B1419;
  --fg-2: #4A5560;
  --fg-3: #7C8691;

  /* Radii & rhythm */
  --r-sm: 6px;
  --r: 10px;
  --r-lg: 18px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #000;
  color: var(--fg);
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  font-feature-settings: "ss01", "cv11", "tnum" 1, "ss02";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ─── Slide base ─── */
.slide {
  position: absolute;
  inset: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  background: var(--paper);
  color: var(--fg);
  font-size: 22px;
  line-height: 1.4;
  padding: 72px 96px 64px;
  display: flex;
  flex-direction: column;
}

.slide.dark {
  background: var(--ink-800);
  color: #EEF4F7;
}

.slide.dark .eyebrow,
.slide.dark .meta,
.slide.dark .footer { color: rgba(255,255,255,0.55); }

/* ─── Typography ─── */
.eyebrow {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.eyebrow .dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--heat-green);
  vertical-align: 2px;
  margin-right: 10px;
}

.slide h1 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 96px;
  line-height: 1.0;
  margin: 0;
  color: inherit;
  text-wrap: balance;
}
.slide h2 {
  font-weight: 700;
  letter-spacing: -0.015em;
  font-size: 56px;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}
.slide h3 {
  font-weight: 700;
  font-size: 28px;
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.005em;
}
.slide h4 {
  font-weight: 700;
  font-size: 18px;
  line-height: 1.25;
  margin: 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--fg-2);
}

.deck p, .slide p { margin: 0; text-wrap: pretty; }

.lede {
  font-size: 26px;
  line-height: 1.35;
  color: var(--fg-2);
  max-width: 1280px;
  text-wrap: pretty;
  font-weight: 400;
}
.slide.dark .lede { color: rgba(255,255,255,0.72); }

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.02em;
}

/* ─── Slide chrome ─── */
.chrome-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 44px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.logo-mark img { height: 28px; display: block; }
.logo-mark .label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-2);
  padding-left: 14px;
  border-left: 1px solid var(--rule);
}
.slide.dark .logo-mark .label {
  color: rgba(255,255,255,0.65);
  border-left-color: rgba(255,255,255,0.2);
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 87, 33, 0.10);
  color: var(--orange);
  border: 1px solid rgba(255, 87, 33, 0.25);
}
.slide.dark .meta-chip {
  background: rgba(255, 87, 33, 0.14);
  border-color: rgba(255, 87, 33, 0.35);
}

.chrome-bottom {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 600;
  border-top: 1px solid var(--rule-soft);
}
.slide.dark .chrome-bottom {
  border-top-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.5);
}
.chrome-bottom .page .num { color: var(--fg); font-weight: 700; }
.slide.dark .chrome-bottom .page .num { color: #fff; }

/* ─── Accent bar for section dividers ─── */
.accent-bar {
  width: 120px;
  height: 6px;
  background: var(--heat-green);
  border-radius: 2px;
  margin-bottom: 32px;
}
.accent-bar.cyan { background: var(--cyan); }
.accent-bar.orange { background: var(--orange); }

/* ─── Common layout helpers ─── */
.row { display: flex; gap: 24px; }
.stack { display: flex; flex-direction: column; }
.grow { flex: 1; }

.hairline { height: 1px; background: var(--rule-soft); }

/* ─── Pill tags ─── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--fg-2);
  border: 1px solid var(--rule);
}
.tag.green {
  background: rgba(98,211,47,0.12);
  color: var(--heat-green-dim);
  border-color: rgba(98,211,47,0.4);
}
.tag.cyan {
  background: rgba(0,175,215,0.10);
  color: var(--cyan-ink);
  border-color: rgba(0,175,215,0.35);
}
.tag.navy {
  background: var(--ink-800);
  color: #fff;
  border-color: var(--ink-800);
}

/* ─── Grain overlay for dark slides ─── */
.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(98,211,47,0.5), transparent 60%),
    radial-gradient(circle at 80% 85%, rgba(0,175,215,0.4), transparent 55%);
}

/* ─── Reveal on active ─── */
.slide [data-rev] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(.2,.8,.2,1);
}
.slide[data-deck-active] [data-rev] {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--rev-i, 0) * 60ms + 120ms);
}

/* ─── Scrollbars / print ─── */
@media print {
  html, body { background: #fff; }
}