/* ─────────────────────────────────────────────────────────────
   BRACHED — Brand Guidelines · Cipher direction
   Slide tokens & global styles
   ───────────────────────────────────────────────────────────── */

:root {
  /* Cipher palette */
  --linen:        #E9E4DA;
  --linen-2:      #F2EEE6;  /* lighter surface */
  --linen-edge:   #D8D1C0;  /* divider */
  --ink:          #162847;
  --midnight:     #0A1428;
  --slate:        #6A7385;  /* secondary text on linen */
  --slate-mute:   #9AA3B3;
  --slate-fade:   #C4CAD4;
  --tan:          #B8895A;
  --tan-deep:     #8E6638;
  --tan-fade:     #DBC5A6;

  --bg:           var(--linen);
  --ink-soft:     rgba(22, 40, 71, 0.65);
  --ink-fade:     rgba(22, 40, 71, 0.18);
  --ink-line:     rgba(22, 40, 71, 0.14);

  /* Type */
  --f-serif:  'Instrument Serif', 'Newsreader', 'Times New Roman', serif;
  --f-sans:   'Geist', 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono:   'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;
}

/* deck_stage applies the canvas; this is the slide root */
deck-stage > section {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 16px;
  letter-spacing: -0.005em;
  position: relative;
  overflow: hidden;
}

/* ─── Reusable atoms ──────────────────────────────────────── */

.slide-pad {
  position: absolute;
  inset: 64px 72px;
  display: flex;
  flex-direction: column;
}

/* Top header strip — file-tag + page number */
.s-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.s-meta .crumb { display: flex; gap: 14px; align-items: baseline; }
.s-meta .crumb b { font-weight: 500; color: var(--ink); letter-spacing: 0.08em; }
.s-meta .crumb .div { opacity: 0.4; }

/* Footer hairline */
.s-foot {
  position: absolute;
  bottom: 28px;
  left: 72px;
  right: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.s-foot::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -12px;
  height: 1px;
  background: var(--ink-line);
}

/* Headlines */
.h-eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tan-deep);
}
.h-display {
  font-family: var(--f-serif);
  font-weight: 400;
  font-style: normal;
  font-size: 132px;
  line-height: 0.95;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 0;
}
.h-display em { font-style: italic; color: var(--tan-deep); font-weight: 400; }
.h-title {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 88px;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0;
}
.h-section {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 64px;
  line-height: 1.0;
  letter-spacing: -0.018em;
  margin: 0;
}
.h-card {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin: 0;
}

.body-l {
  font-size: 22px;
  line-height: 1.4;
  letter-spacing: -0.006em;
  color: var(--ink);
  max-width: 30ch;
}
.body-m {
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.003em;
  color: var(--ink);
  max-width: 44ch;
  text-wrap: pretty;
}
.body-s {
  font-size: 14px;
  line-height: 1.55;
  color: var(--slate);
  max-width: 50ch;
}

/* Dark surface variant */
.dark {
  --bg: var(--midnight);
  --ink: #E9E4DA;
  --ink-soft: rgba(233, 228, 218, 0.65);
  --ink-fade: rgba(233, 228, 218, 0.18);
  --ink-line: rgba(233, 228, 218, 0.16);
  --linen-edge: rgba(233, 228, 218, 0.16);
  --slate: rgba(233, 228, 218, 0.62);
  --tan-deep: #D4B594;
}

/* Linen-2 surface variant */
.surface-2 { --bg: var(--linen-2); }

/* Inline tag chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--ink-line);
  border-radius: 100px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
}
.chip .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--tan);
}

/* Numbered list */
.num-list { counter-reset: nl; display: grid; gap: 22px; }
.num-list li { display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: baseline; list-style: none; }
.num-list li::before {
  counter-increment: nl;
  content: counter(nl, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--tan-deep);
  padding-top: 8px;
  border-top: 1px solid var(--ink-line);
}
.num-list li > .item-body { padding-top: 8px; border-top: 1px solid var(--ink-line); }

/* Two-column grid */
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* Card */
.card {
  background: var(--linen-2);
  border: 1px solid var(--linen-edge);
  border-radius: 4px;
  padding: 28px 28px;
}
.dark .card {
  background: rgba(233, 228, 218, 0.04);
  border-color: rgba(233, 228, 218, 0.12);
}

/* Definition row */
.def-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--ink-line);
}
.def-row:last-child { border-bottom: 1px solid var(--ink-line); }
.def-row .k {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-top: 3px;
}

/* Corner ticks for hero composition */
.tick { position: absolute; background: currentColor; opacity: 0.25; }
.tick.h { width: 22px; height: 1px; }
.tick.v { width: 1px; height: 22px; }