/*
 * Monsure deck theme — paint for the MonDeck.AI engine.
 *
 * Inspired by the Monsure marketing site:
 *   yellow #FFD400 + ink #0B0E14 + paper #FAFAF7
 * Type: Inter (display + body) + JetBrains Mono (eyebrows + chrome).
 *
 * This file:
 *   §1 tokens · §2 reset/base · §3 chrome (brand, slide-tag, progress, nav,
 *   hint, lang) · §4 mondeck badge (per badge spec, recolored Monsure)
 *   §5 slide variants (ink / yellow / light / cover) · §6 typography
 *   §7 components (card, stack, tag, prompt, tbl, chip, screenshot)
 *   §8 lang-picker · §9 motion
 */

/* ─── §1 Tokens ───────────────────────────────────────────────────────── */

:root {
  --m-yellow:        #FFD400;
  --m-yellow-soft:   #FFE45C;
  --m-yellow-dark:   #E6BE00;

  --m-ink:           #0B0E14;
  --m-ink-2:         #141923;
  --m-ink-3:         #1C2330;
  --m-ink-4:         #232C3C;

  --m-paper:         #FAFAF7;
  --m-paper-2:       #EDEDE7;
  --m-paper-3:       #DEDED7;

  --m-grey:          #525868;
  --m-muted:         #8F95A1;
  --m-mute-2:        #A8AEBA;

  --m-line:          rgba(255,255,255,.10);
  --m-line-strong:   rgba(255,255,255,.20);
  --m-line-dark:     rgba(11,14,20,.10);
  --m-line-dark-strong: rgba(11,14,20,.20);

  --good:            #7CFF9E;
  --bad:             #FF7A7A;
  --info:            #7DD3FC;

  --slide-pad-x:     clamp(40px, 4.5vw, 80px);
  --slide-pad-y:     clamp(56px, 4.5vw, 72px);
}

/* ─── §2 Base ─────────────────────────────────────────────────────────── */

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--m-ink);
  color: #fff;
  font-family: 'Inter', 'Noto Sans JP', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-feature-settings: 'ss01', 'cv02', 'cv11';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  height: 100%;
  overflow: hidden;
}

/* ── CJK / Japanese-specific overrides ────────────────────────────────────
   Letter-spacing is meaningful in Latin (kerning vibe) but airy/wrong on
   CJK glyphs which already carry their own spacing. Inter's tracking on
   headlines (-.025em → -.035em) makes Japanese overlap. Reset for ja.  */
html[lang="ja"] body, html[lang="ja"] .slide {
  font-family: 'Noto Sans JP', 'Inter', -apple-system, sans-serif;
  letter-spacing: 0;
}
html[lang="ja"] h1,
html[lang="ja"] h2,
html[lang="ja"] h3,
html[lang="ja"] h4,
html[lang="ja"] .bigtype,
html[lang="ja"] h1.xxl,
html[lang="ja"] h1.xl,
html[lang="ja"] h2.big {
  letter-spacing: 0;
  line-height: 1.18;
}
html[lang="ja"] .eyebrow,
html[lang="ja"] .tag,
html[lang="ja"] .sec-num,
html[lang="ja"] .dep-tag,
html[lang="ja"] .delta-mag,
html[lang="ja"] .sa-cell-k,
html[lang="ja"] .sa-label,
html[lang="ja"] .ma-label,
html[lang="ja"] .ma-mid-sub,
html[lang="ja"] .cmpx-tag,
html[lang="ja"] .delta-k,
html[lang="ja"] .cr-k,
html[lang="ja"] .dep-k,
html[lang="ja"] .compare-head .tag,
html[lang="ja"] .lp-foot,
html[lang="ja"] .pg-eyebrow,
html[lang="ja"] .pg-foot,
html[lang="ja"] .hint,
html[lang="ja"] .slide-tag,
html[lang="ja"] .lang-toggle,
html[lang="ja"] .nav .idx,
html[lang="ja"] .brand,
html[lang="ja"] .mondeck-badge {
  letter-spacing: .04em; /* stay readable; lose the wide tracking */
  text-transform: none; /* uppercase doesn't make sense in JA */
}
html[lang="ja"] .lead,
html[lang="ja"] p.lead,
html[lang="ja"] .body,
html[lang="ja"] p.body {
  line-height: 1.7;
}
/* CJK chars are wide; the `ch` unit measures Latin '0' which is roughly
   half a CJK glyph. Inline `max-width:Xch` styles in the HTML were sized
   for English. Override them in JA so headlines breathe. */
html[lang="ja"] .lead,
html[lang="ja"] .lead[style*="max-width"] { max-width: 60ch !important; }
html[lang="ja"] h1,
html[lang="ja"] h2,
html[lang="ja"] h3,
html[lang="ja"] h1[style*="max-width"],
html[lang="ja"] h2[style*="max-width"],
html[lang="ja"] h3[style*="max-width"] {
  max-width: none !important;
}
/* Then constrain again per role with CJK-friendly widths. */
html[lang="ja"] h2.big { max-width: 28ch !important; }
html[lang="ja"] h1.xxl { max-width: 14ch !important; }
html[lang="ja"] h1.xl  { max-width: 18ch !important; }
/* For the slide-9 reveal slide split layout — the lead text needs a wider
   container so it doesn't wrap to weirdly short lines. */
html[lang="ja"] .split .copy .lead { max-width: 40ch !important; }
/* The .copy column on slide 9 is sized for English (640px); CJK glyphs
   are wider, so the same headline overflows. Bump it to fit. */
html[lang="ja"] .slide.cover .split .copy { max-width: 760px !important; }

/* Prevent CJK from breaking inside short highlighted spans on yellow
   chapter breaks (slides 15, 25, 32, 40, 44, 46, 55). Without this, the
   ink-tinted highlight wraps awkwardly and a single character ends up
   alone on a new line. */
html[lang="ja"] h1.xxl,
html[lang="ja"] h1.xl,
html[lang="ja"] h2.big {
  word-break: keep-all;
  line-break: strict;
  overflow-wrap: anywhere;
}
html[lang="ja"] h1 span[style*="background"],
html[lang="ja"] h2 span[style*="background"] {
  white-space: nowrap;
}

/* Chat mock — shrink in JA so the conversation fits viewport
   (CJK bubble heights add up faster than English). */
html[lang="ja"] .chat-mock { font-size: 11.5px; }
html[lang="ja"] .chat-mock .cm-body { padding: 12px 14px; gap: 7px; }
html[lang="ja"] .chat-mock .cm-bubble { font-size: 11.5px; padding: 7px 11px; line-height: 1.4; }
html[lang="ja"] .chat-mock .cm-chip { font-size: 10.5px; padding: 4px 9px; }
html[lang="ja"] .chat-mock .cm-quote { padding: 11px 14px; gap: 4px; }
html[lang="ja"] .chat-mock .cm-quote .cm-q-price { font-size: 20px; }
html[lang="ja"] .chat-mock .cm-quote .cm-q-line { font-size: 11px; }
html[lang="ja"] .chat-mock .cm-quote .cm-q-cta { font-size: 11.5px; padding: 8px 12px; }
html[lang="ja"] .chat-mock .cm-bar { padding: 8px 12px; }
html[lang="ja"] .chat-mock .cm-bar .cm-title { font-size: 11.5px; }
html[lang="ja"] .chat-mock .cm-input { padding: 8px 12px; }

/* Comparison table (slide 54) — th has both a tag span and a name line.
   Make the name line a span so it's translatable. */
html[lang="ja"] .cmpx thead th { line-height: 1.3; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--m-yellow); color: var(--m-ink); }

/* ─── §3 Chrome ───────────────────────────────────────────────────────── */

/* Top progress bar */
.progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; background: rgba(255,255,255,.06);
  z-index: 30;
}
.progress > div {
  height: 100%; background: var(--m-yellow);
  transition: width .35s cubic-bezier(.2,.7,.2,1);
}

/* Brand top-left */
.brand {
  position: fixed; top: 18px; left: 22px; z-index: 40;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  color: #fff; mix-blend-mode: difference;
  font-weight: 600;
}
.brand .brand-logo { width: 22px; height: 22px; }
.brand .brand-name { color: #fff; }
.brand .brand-name .x { color: var(--m-yellow); }

/* Slide tag top-right */
.slide-tag {
  position: fixed; top: 18px; right: 22px; z-index: 40;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .18em;
  padding: 6px 12px;
  background: rgba(11,14,20,.6);
  border: 1px solid var(--m-line);
  border-radius: 99px;
  color: var(--m-mute-2);
  backdrop-filter: blur(8px);
}

/* Bottom-center nav */
.nav {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 40;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 8px;
  background: rgba(11,14,20,.7);
  border: 1px solid var(--m-line);
  border-radius: 99px;
  backdrop-filter: blur(10px);
}
.nav button {
  width: 30px; height: 30px;
  border: none; background: transparent; color: var(--m-mute-2);
  border-radius: 99px; font-size: 16px; line-height: 1;
  transition: background .18s, color .18s;
}
.nav button:hover { background: rgba(255,212,0,.1); color: var(--m-yellow); }
.nav .idx {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; letter-spacing: .15em;
  color: #fff; padding: 0 6px;
}

/* Bottom-right keyboard hint row */
.hint {
  position: fixed; bottom: 22px; right: 22px; z-index: 40;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .12em;
  color: var(--m-muted);
  text-transform: uppercase;
}
.hint kbd {
  display: inline-block;
  min-width: 18px; padding: 2px 6px;
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 4px;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0;
}
.hint > span { margin-right: 6px; }

/* Language toggle pill — top-right, below slide-tag */
.lang-toggle {
  position: fixed; top: 56px; right: 22px; z-index: 40;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(11,14,20,.6);
  border: 1px solid var(--m-line);
  border-radius: 99px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .18em;
  color: var(--m-muted);
  backdrop-filter: blur(8px);
}
.lang-toggle [data-lang].active { color: var(--m-yellow); }
.lang-toggle .lt-sep { color: var(--m-grey); }

/* ─── §4 MonDeck badge (Monsure recolor) ──────────────────────────────── */

.mondeck-badge {
  position: fixed; bottom: 22px; left: 22px; z-index: 40;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 14px 9px 12px;
  border-radius: 999px; line-height: 1;

  background:
    linear-gradient(180deg, rgba(20,25,35,.92), rgba(11,14,20,.95)) padding-box,
    linear-gradient(135deg, rgba(255,212,0,.5), rgba(255,228,92,.25) 40%, rgba(255,212,0,.5)) border-box;
  border: 1px solid transparent;

  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);

  box-shadow:
    0 10px 30px -12px rgba(0,0,0,.6),
    inset 0 0 0 1px rgba(255,255,255,.02),
    inset 0 1px 0 rgba(255,255,255,.06);

  transition: transform .3s cubic-bezier(.22,.61,.36,1), box-shadow .3s;
}
.mondeck-badge:hover {
  transform: translateY(-1px);
  box-shadow:
    0 16px 40px -14px rgba(255,212,0,.45),
    inset 0 0 0 1px rgba(255,255,255,.04),
    inset 0 1px 0 rgba(255,255,255,.08);
}
.mondeck-badge .mdb-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(255,212,0,.18), rgba(255,228,92,.10));
  box-shadow: 0 0 12px -4px rgba(255,212,0,.55), inset 0 0 0 1px rgba(255,255,255,.06);
}
.mondeck-badge .mdb-mark svg { display: block; filter: drop-shadow(0 0 4px rgba(255,212,0,.55)); }
.mondeck-badge .mdb-label { display: inline-flex; flex-direction: column; gap: 2px; }
.mondeck-badge .mdb-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: #5e5e6b;
}
.mondeck-badge .mdb-brand {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 12px; font-weight: 700; letter-spacing: -0.01em; color: #fff;
}
.mondeck-badge .mdb-ai {
  background: linear-gradient(90deg, var(--m-yellow), var(--m-yellow-soft) 45%, var(--m-yellow));
  -webkit-background-clip: text; background-clip: text;
  color: transparent; font-weight: 800;
}

/* ─── §5 Slide variants ───────────────────────────────────────────────── */

.deck { position: relative; height: 100vh; width: 100vw; overflow: hidden; }

.slide {
  position: absolute; inset: 0;
  padding: var(--slide-pad-y) var(--slide-pad-x);
  display: flex; flex-direction: column; justify-content: center;
  gap: 14px;
  overflow: auto;
  opacity: 0; pointer-events: none;
  transform: translateX(40px);
  transition: opacity .4s ease, transform .5s cubic-bezier(.2,.7,.2,1);
  background: var(--m-ink);
  color: #fff;
}
.slide.active { opacity: 1; pointer-events: auto; transform: translateX(0); }

.slide.ink     { background: var(--m-ink); color: #fff; }
.slide.yellow  { background: var(--m-yellow); color: var(--m-ink); }
.slide.light   { background: var(--m-paper); color: var(--m-ink); }

/* Cover variant — radial gradient atmosphere */
.slide.cover {
  background:
    radial-gradient(1100px 600px at 78% 25%, rgba(255,212,0,.20), transparent 60%),
    radial-gradient(800px 500px at 12% 95%, rgba(255,212,0,.10), transparent 60%),
    var(--m-ink);
}

/* ─── §6 Typography ───────────────────────────────────────────────────── */

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--m-yellow);
  font-weight: 500;
  margin-bottom: 14px;
  margin-top: 6px;
  display: inline-block;
}
.slide.yellow .eyebrow { color: var(--m-ink); }
.slide.light  .eyebrow { color: var(--m-ink); }

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.025em; }

h1.xxl { font-size: clamp(56px, 6.8vw, 108px); line-height: 1.04; letter-spacing: -.035em; font-weight: 800; }
h1.xl  { line-height: 1.06 !important; }
h1 span[style*="background"], h1 span[style*="border-radius"] {
  display: inline-block; line-height: 1; padding-block: .04em;
}
h1.xl  { font-size: clamp(44px, 5vw, 80px);    line-height: .96; letter-spacing: -.03em;  font-weight: 700; }
h2     { font-size: clamp(26px, 2.8vw, 42px);  line-height: 1.04; }
h2.big { font-size: clamp(34px, 3.6vw, 56px);  line-height: 1.04; font-weight: 700; }
h3     { font-size: clamp(16px, 1.4vw, 22px); }
h4     { font-size: 14px; font-weight: 600; }

p.lead {
  font-size: clamp(15px, 1.25vw, 20px); line-height: 1.5;
  max-width: 72ch; color: #d5d5de; margin: 14px 0 0;
}
.slide.yellow p.lead, .slide.light p.lead { color: rgba(11,14,20,.7); }

p.body, .body { font-size: 14px; line-height: 1.6; color: #c8c8d0; }
.slide.yellow .body, .slide.light .body { color: rgba(11,14,20,.7); }

.muted { color: var(--m-muted); }
.faint { color: rgba(255,255,255,.35); }
.slide.yellow .faint, .slide.light .faint { color: rgba(11,14,20,.4); }

.bigtype {
  font-size: clamp(52px, 7vw, 120px); font-weight: 800;
  line-height: .92; letter-spacing: -.035em;
}
.bigtype .em { color: var(--m-yellow); }
.slide.yellow .bigtype .em { color: #fff; background: var(--m-ink); padding: 0 .1em; border-radius: 6px; }

/* Highlight treatments */
strong.hl { color: var(--m-yellow); font-weight: 700; }
.slide.yellow strong.hl { color: var(--m-yellow); background: var(--m-ink); padding: 0 6px; border-radius: 3px; font-weight: 700; }
.slide.light  strong.hl { color: var(--m-ink);    background: var(--m-yellow); padding: 0 4px; }

.serif { font-family: 'Iowan Old Style', 'Charter', Georgia, serif; }
.mono  { font-family: 'JetBrains Mono', monospace; }

/* The cursor blink — for the cover slide */
.blink {
  display: inline-block; width: 12px; height: 1em;
  background: var(--m-yellow); margin-left: 6px;
  transform: translateY(.12em);
  animation: blink 1s steps(1) infinite;
  vertical-align: -.08em; border-radius: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

/* ─── §7 Components ───────────────────────────────────────────────────── */

/* Layout grid */
.grid { display: grid; gap: 18px; }
.cols-2 { grid-template-columns: 1fr 1fr; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cols-5 { grid-template-columns: repeat(5, 1fr); }
.cols-6 { grid-template-columns: repeat(6, 1fr); }

.row { display: flex; gap: 18px; align-items: stretch; }
.col { display: flex; flex-direction: column; gap: 12px; }
.center { align-items: center; justify-content: center; text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }
.gap-tight { gap: 10px; } .gap-loose { gap: 28px; }
.tight { line-height: 1.3; }

/* Card — the workhorse */
.card {
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 8px;
}
.card.hi {
  border-color: var(--m-yellow);
  background: linear-gradient(180deg, rgba(255,212,0,.06), rgba(255,212,0,0)), var(--m-ink-2);
}
.card .num { font-size: clamp(28px, 3.2vw, 44px); font-weight: 800; letter-spacing: -.025em; }
.card .num.y { color: var(--m-yellow); }
.card .sub { color: var(--m-muted); font-size: 13.5px; line-height: 1.55; }
.card .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}
.card h3 { font-size: 18px; letter-spacing: -.012em; }
.card .tag { align-self: flex-start; }

.slide.yellow .card { background: #fff; color: var(--m-ink); border-color: rgba(11,14,20,.12); }
.slide.yellow .card.hi { background: var(--m-ink); color: #fff; border-color: var(--m-ink); }
.slide.yellow .card .sub { color: rgba(11,14,20,.65); }
.slide.yellow .card.hi .sub { color: rgba(255,255,255,.7); }
.slide.yellow .card.hi .num.y { color: var(--m-yellow); }
.slide.light .card { background: #fff; color: var(--m-ink); border-color: rgba(11,14,20,.10); }
.slide.light .card .sub { color: rgba(11,14,20,.65); }

/* Stack — row-list */
.stack { display: flex; flex-direction: column; gap: 10px; }
.stack .row {
  display: grid;
  grid-template-columns: minmax(80px, max-content) 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px 18px;
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 12px;
}
.stack .row .n { white-space: nowrap; }
.stack .row .n {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; letter-spacing: .12em; color: var(--m-yellow);
}
.stack .row .t { font-weight: 700; font-size: 17px; letter-spacing: -.012em; }
.stack .row .d { color: var(--m-muted); font-size: 13.5px; line-height: 1.55; }
.slide.yellow .stack .row { background: #fff; border-color: rgba(11,14,20,.12); color: var(--m-ink); }
.slide.yellow .stack .row .d { color: rgba(11,14,20,.65); }
.slide.yellow .stack .row .n { color: var(--m-ink); }

/* Tags & chips */
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--m-line);
  border-radius: 99px;
  color: var(--m-muted);
  display: inline-block;
}
.tag.hot { background: var(--m-yellow); color: var(--m-ink); border-color: var(--m-yellow); font-weight: 600; }
.tag.ink { background: var(--m-ink); color: var(--m-yellow); border-color: var(--m-ink); font-weight: 600; }
.tag.good { background: rgba(124,255,158,.10); color: var(--good); border-color: rgba(124,255,158,.3); }
.tag.bad  { background: rgba(255,122,122,.10); color: var(--bad);  border-color: rgba(255,122,122,.3); }
.slide.yellow .tag { color: var(--m-ink); border-color: rgba(11,14,20,.25); }
.slide.light  .tag { color: var(--m-ink); border-color: rgba(11,14,20,.18); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* Prompt — code-style callout */
.prompt {
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 12px;
  padding: 38px 20px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; line-height: 1.7;
  color: #d5d5de;
  position: relative;
  overflow-x: auto;
  overflow-y: visible;
  white-space: pre-wrap;
  word-break: normal;
}
.prompt.bad  { border-color: rgba(255,122,122,.4); background: linear-gradient(180deg, rgba(255,122,122,.06), rgba(255,122,122,0)), var(--m-ink-2); }
.prompt.good { border-color: rgba(255,212,0,.4); background: linear-gradient(180deg, rgba(255,212,0,.06), rgba(255,212,0,0)), var(--m-ink-2); }
.prompt .lbl {
  /* Pinned to the top-left of the prompt, outside the white-space:pre-wrap
     content flow so leading whitespace in inline content can't push it.    */
  position: absolute;
  top: 12px; left: 16px;
  padding: 3px 10px; font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; font-weight: 600; border-radius: 4px;
  background: var(--m-ink); color: var(--m-muted);
  border: 1px solid var(--m-line);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}
.prompt.good .lbl { color: var(--m-yellow); border-color: rgba(255,212,0,.3); }
.prompt.bad  .lbl { color: var(--bad);     border-color: rgba(255,122,122,.3); }
.prompt .k { color: var(--m-yellow); font-weight: 600; }
.prompt .q { color: #fff; }
.prompt .c { color: var(--m-muted); font-style: normal; }

/* Quote block */
.qblock {
  padding: 18px 22px;
  border-left: 4px solid var(--m-yellow);
  background: var(--m-ink-2);
  border-radius: 0 12px 12px 0;
}
.qblock .qnum {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--m-yellow); letter-spacing: .12em; text-transform: uppercase;
}
.qblock .qtext { font-size: 17px; font-weight: 600; line-height: 1.35; color: #fff; margin-top: 4px; }
.slide.light .qblock { background: #fff; }
.slide.light .qblock .qtext { color: var(--m-ink); }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th, .tbl td {
  padding: 10px 14px; text-align: left;
  border-bottom: 1px solid var(--m-line);
}
.tbl th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted); font-weight: 500;
  border-bottom-color: var(--m-line-strong);
}
.tbl td.right, .tbl th.right { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.us td { background: rgba(255,212,0,.07); color: #fff; font-weight: 600; }
.tbl tr.us td:first-child { border-left: 2px solid var(--m-yellow); }
.slide.light .tbl th, .slide.light .tbl td { border-bottom-color: var(--m-line-dark); }
.slide.light .tbl th { color: var(--m-grey); }

/* Screenshot framing — wraps an <img> for app captures */
.screen {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--m-line);
  background: var(--m-ink-2);
  box-shadow:
    0 22px 60px -22px rgba(0,0,0,.7),
    0 2px 0 rgba(255,255,255,.04) inset;
}
.screen.glow {
  box-shadow:
    0 22px 60px -16px rgba(255,212,0,.25),
    0 2px 0 rgba(255,255,255,.04) inset;
  border-color: rgba(255,212,0,.3);
}
.screen { max-height: 60vh; display: flex; flex-direction: column; }
.screen img { width: 100%; display: block; flex: 1 1 auto; min-height: 0; object-fit: cover; object-position: top; }
.screen .browser-bar {
  display: flex; align-items: center; gap: 6px;
  background: var(--m-ink-3);
  padding: 8px 12px;
  border-bottom: 1px solid var(--m-line);
}
.screen .browser-bar i {
  width: 10px; height: 10px; border-radius: 99px; display: block;
  background: rgba(255,255,255,.18);
}
.screen .browser-bar i:nth-child(1) { background: #FF5F57; }
.screen .browser-bar i:nth-child(2) { background: #FEBC2E; }
.screen .browser-bar i:nth-child(3) { background: #28C840; }
.screen .browser-bar .url {
  margin-left: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--m-muted);
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.caption {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}

/* Loop diagram (slide 14) — compact 3-col grid */
.loop {
  position: relative;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  padding: 18px;
  border: 1px solid var(--m-line); border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,212,0,.04), transparent), var(--m-ink-2);
}
.loop .node {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 14px; border-radius: 10px;
  background: var(--m-ink); border: 1px solid var(--m-line);
}
.loop .node h4 { color: #fff; font-size: 14px; margin: 2px 0 0; }
.loop .node .k { font-family: 'JetBrains Mono',monospace; font-size: 9.5px; color: var(--m-yellow); letter-spacing: .14em; text-transform: uppercase; }
.loop .node .d { color: var(--m-muted); font-size: 11.5px; line-height: 1.45; }

/* Chat mockup (slide 35) — fake conversation with bubbles, chips, quote card */
.chat-mock {
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 14px;
  overflow: hidden;
  display: flex; flex-direction: column;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
}
.chat-mock .cm-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--m-ink-3);
  border-bottom: 1px solid var(--m-line);
}
.chat-mock .cm-bar .cm-avatar {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--m-ink); display: inline-flex; align-items: center; justify-content: center;
}
.chat-mock .cm-bar .cm-avatar svg { width: 13px; height: 13px; }
.chat-mock .cm-bar .cm-title { color: #fff; font-weight: 600; font-size: 12.5px; }
.chat-mock .cm-bar .cm-sub { color: var(--m-muted); font-size: 11px; margin-left: auto; }
.chat-mock .cm-body {
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px 16px 14px;
  background: var(--m-ink-2);
}
.chat-mock .cm-msg {
  display: flex; max-width: 84%;
}
.chat-mock .cm-msg.user { align-self: flex-end; }
.chat-mock .cm-msg .cm-bubble {
  padding: 9px 13px;
  border-radius: 14px;
  line-height: 1.45;
  color: #fff;
  font-size: 13px;
}
.chat-mock .cm-msg.bot .cm-bubble {
  background: var(--m-ink);
  border: 1px solid var(--m-line);
  border-top-left-radius: 4px;
}
.chat-mock .cm-msg.user .cm-bubble {
  background: var(--m-yellow);
  color: var(--m-ink);
  border-top-right-radius: 4px;
  font-weight: 500;
}
.chat-mock .cm-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 4px;
  align-self: flex-start;
  max-width: 84%;
}
.chat-mock .cm-chip {
  padding: 5px 11px;
  border-radius: 99px;
  background: rgba(255,212,0,.06);
  border: 1px solid rgba(255,212,0,.4);
  color: var(--m-yellow);
  font-size: 11.5px;
  font-weight: 500;
}
.chat-mock .cm-chip.picked {
  background: var(--m-yellow); color: var(--m-ink); font-weight: 600;
}
.chat-mock .cm-quote {
  align-self: flex-start;
  max-width: 84%;
  background: var(--m-ink);
  border: 1px solid var(--m-yellow);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.chat-mock .cm-quote .cm-q-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-yellow);
}
.chat-mock .cm-quote .cm-q-price {
  font-size: 24px; font-weight: 800; color: #fff; letter-spacing: -.02em;
}
.chat-mock .cm-quote .cm-q-price .per { font-size: 12px; color: var(--m-muted); font-weight: 500; margin-left: 4px; letter-spacing: 0; }
.chat-mock .cm-quote .cm-q-line {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--m-mute-2);
}
.chat-mock .cm-quote .cm-q-line span:first-child { color: var(--m-muted); }
.chat-mock .cm-quote .cm-q-cta {
  margin-top: 6px;
  padding: 9px 14px;
  background: var(--m-yellow); color: var(--m-ink);
  font-weight: 700; font-size: 12px; letter-spacing: -.005em;
  border-radius: 8px; text-align: center;
  font-family: 'Inter', sans-serif;
}
.chat-mock .cm-typing {
  display: inline-flex; gap: 3px; padding: 0 2px;
}
.chat-mock .cm-typing i {
  width: 5px; height: 5px; border-radius: 50%; background: var(--m-muted);
  animation: cm-blink 1.2s ease-in-out infinite;
}
.chat-mock .cm-typing i:nth-child(2) { animation-delay: .2s; }
.chat-mock .cm-typing i:nth-child(3) { animation-delay: .4s; }
@keyframes cm-blink { 0%,80%,100%{opacity:.25} 40%{opacity:1} }
.chat-mock .cm-input {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--m-line);
  background: var(--m-ink-3);
}
.chat-mock .cm-input .cm-input-box {
  flex: 1;
  background: var(--m-ink);
  border: 1px solid var(--m-line);
  border-radius: 99px;
  padding: 8px 14px;
  color: var(--m-muted);
  font-size: 12px;
}
.chat-mock .cm-input .cm-send {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--m-yellow); color: var(--m-ink);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
}

/* Before/after compare (slide 53) */
.compare {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: stretch;
  gap: 0;
}
.compare-col {
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 14px;
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 4px;
}
.compare-col.bad  { border-color: rgba(255,122,122,.35); }
.compare-col.good { border-color: rgba(255,212,0,.45); background: linear-gradient(180deg, rgba(255,212,0,.05), rgba(255,212,0,0)), var(--m-ink-2); }
.compare-head { margin-bottom: 10px; }
.compare-row {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 18px; align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--m-line);
}
.compare-row:last-child { border-bottom: none; }
.cr-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}
.cr-v { color: #fff; font-size: 14.5px; font-weight: 600; line-height: 1.3; }
.cr-v.y { color: var(--m-yellow); }
.compare-arrow {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.compare-arrow::before {
  content: '→';
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px; color: var(--m-yellow);
  font-weight: 600;
}

/* Mini architecture (slide 9) — compact three-layer "on top, never replace" visual */
.mini-arch {
  display: flex; flex-direction: column;
  gap: 0;
  width: 100%;
  max-width: 460px;
  align-self: center;
}
.ma-layer {
  border-radius: 12px;
  padding: 14px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.ma-top, .ma-bot {
  background: rgba(20,25,35,.85);
  border: 1px solid rgba(255,212,0,.30);
  box-shadow: 0 0 0 1px rgba(255,212,0,.06), 0 12px 30px -22px rgba(255,212,0,.18);
}
.ma-mid {
  background: var(--m-yellow);
  color: var(--m-ink);
  align-items: center; text-align: center;
  padding: 18px 18px 16px;
  box-shadow: 0 0 0 1px var(--m-yellow), 0 18px 40px -22px rgba(255,212,0,.45);
}
.ma-mid-name {
  font-size: 24px; font-weight: 800;
  letter-spacing: -.02em; color: var(--m-ink);
}
.ma-mid-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(11,14,20,.7); font-weight: 600;
}
.ma-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-mute-2);
}
.ma-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.ma-pill {
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--m-ink);
  border: 1px solid var(--m-line);
  color: #fff;
  font-size: 11.5px; font-weight: 500;
}
.ma-pill.mute { color: var(--m-mute-2); }
.ma-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
}
.ma-flow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--m-line-strong), transparent);
}
.ma-flow-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-yellow);
  padding: 3px 9px;
  border: 1px dashed rgba(255,212,0,.4);
  border-radius: 99px;
  white-space: nowrap;
}

/* Delta rows (slide 53) — old → new with magnitude chip */
.delta {
  display: flex; flex-direction: column;
  gap: 0;
  border: 1px solid var(--m-line);
  border-radius: 14px;
  background: var(--m-ink-2);
  overflow: hidden;
}
.delta-row {
  display: grid;
  grid-template-columns: 180px 1.1fr auto 1.2fr auto;
  gap: 16px; align-items: center;
  padding: 10px 22px;
  border-bottom: 1px solid var(--m-line);
}
.delta-row:last-child { border-bottom: none; }
.delta-row:hover { background: rgba(255,212,0,.03); }
.delta-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-mute-2);
}
.delta-from {
  color: var(--m-muted); font-size: 13.5px; line-height: 1.4;
  text-decoration: line-through;
  text-decoration-color: rgba(255,122,122,.55);
  text-decoration-thickness: 1.5px;
}
.delta-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px; color: var(--m-yellow); font-weight: 600;
  padding: 0 4px;
}
.delta-to {
  color: #fff; font-size: 14.5px; font-weight: 600; line-height: 1.35;
}
.delta-mag {
  padding: 4px 11px; border-radius: 99px;
  background: var(--m-yellow); color: var(--m-ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700;
  white-space: nowrap;
}

/* Compare matrix (slide 54) — 4 columns, Monsure highlighted */
.cmpx {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 14px;
  overflow: hidden;
  font-size: 13.5px;
}
.cmpx thead th {
  padding: 16px 18px;
  text-align: left;
  font-family: 'Inter', sans-serif;
  font-size: 14px; font-weight: 700; letter-spacing: -.005em;
  color: #fff;
  background: var(--m-ink-3);
  border-bottom: 1px solid var(--m-line-strong);
  vertical-align: bottom;
}
.cmpx thead th .cmpx-tag {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
  margin-bottom: 4px;
  font-weight: 500;
}
.cmpx thead th .cmpx-name {
  display: block;
  color: inherit;
}
.cmpx thead th.us { background: var(--m-yellow); color: var(--m-ink); }
.cmpx thead th.us .cmpx-tag { color: var(--m-ink); opacity: .7; }
.cmpx tbody td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--m-line);
  color: var(--m-mute-2);
  vertical-align: middle;
}
.cmpx tbody tr:last-child td { border-bottom: none; }
.cmpx tbody td:first-child {
  color: #fff; font-weight: 600;
  font-size: 13.5px;
  background: var(--m-ink-3);
}
.cmpx tbody td.us {
  background: rgba(255,212,0,.06);
  color: #fff; font-weight: 600;
  border-left: 1px solid var(--m-yellow);
  border-right: 1px solid var(--m-yellow);
}
.cmpx tbody tr:last-child td.us { border-bottom: 1px solid var(--m-yellow); }
.cmpx tbody tr:first-child td.us { border-top: 1px solid var(--m-yellow); }
.cmpx-mark {
  display: inline-block; width: 14px; height: 14px;
  border-radius: 50%; line-height: 14px; text-align: center;
  font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 700;
  margin-right: 6px;
}
.cmpx-mark.no  { background: rgba(255,122,122,.15); color: var(--bad); border: 1px solid rgba(255,122,122,.3); }
.cmpx-mark.mid { background: rgba(255,255,255,.08); color: var(--m-mute-2); border: 1px solid var(--m-line-strong); }
.cmpx-mark.yes { background: var(--m-yellow); color: var(--m-ink); border: 1px solid var(--m-yellow); }

/* Deployment modes (slide 52) */
.deploy {
  display: grid;
  grid-template-columns: 1fr 1.05fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.dep-card {
  position: relative;
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 14px;
  padding: 20px 22px 18px;
  display: flex; flex-direction: column; gap: 16px;
}
.dep-card.hi {
  border-color: var(--m-yellow);
  background: linear-gradient(180deg, rgba(255,212,0,.06), rgba(255,212,0,0)), var(--m-ink-2);
  box-shadow: 0 18px 40px -22px rgba(255,212,0,.35);
}
.dep-flag {
  position: absolute;
  top: -10px; left: 50%; transform: translateX(-50%);
  padding: 3px 12px;
  background: var(--m-yellow); color: var(--m-ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 700; border-radius: 99px;
  white-space: nowrap;
}
.dep-head { display: flex; flex-direction: column; gap: 6px; }
.dep-tag {
  display: inline-block; align-self: flex-start;
  padding: 3px 9px;
  border: 1px solid var(--m-line); border-radius: 99px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}
.dep-tag.hot { background: var(--m-yellow); color: var(--m-ink); border-color: var(--m-yellow); font-weight: 700; }
.dep-name { font-size: 22px; font-weight: 700; letter-spacing: -.02em; color: #fff; margin-top: 2px; }
.dep-sub { color: var(--m-mute-2); font-size: 13px; line-height: 1.45; margin: 0; }
.dep-rows { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0; }
.dep-rows li {
  display: grid; grid-template-columns: 96px 1fr; gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--m-line);
  align-items: baseline;
}
.dep-rows li:last-child { border-bottom: 1px solid var(--m-line); }
.dep-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}
.dep-v { color: #fff; font-size: 13px; line-height: 1.4; }
.dep-foot {
  margin-top: auto;
  font-size: 12.5px; line-height: 1.5; color: var(--m-mute-2);
  padding-top: 4px;
}

/* DSL key list (slide 17) */
.dsl-keys { display: flex; flex-direction: column; gap: 6px; }
.dk {
  display: grid; grid-template-columns: 110px 1fr;
  gap: 14px; align-items: baseline;
  padding: 8px 14px;
  border-left: 2px solid var(--m-line);
}
.dk:hover { border-left-color: var(--m-yellow); }
.dk-key {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--m-yellow);
  letter-spacing: .04em;
}
.dk-desc { color: var(--m-mute-2); font-size: 13.5px; line-height: 1.45; }

/* "What you get" file tree */
.tree {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; line-height: 1.85;
  background: var(--m-ink-2); border: 1px solid var(--m-line); border-radius: 12px;
  padding: 16px 22px; color: #d5d5de;
  white-space: pre;
}
.tree .y { color: var(--m-yellow); }
.tree .m { color: var(--m-muted); }

/* Big number + label pair */
.bignums { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 24px; align-items: start; }
.bignums.cols-3 { grid-template-columns: repeat(3, 1fr); }
.bignums.cols-2 { grid-template-columns: repeat(2, 1fr); }
.bignums.cols-4 { grid-template-columns: repeat(4, 1fr); }
.bignums .bn { min-width: 0; }
.bignums .bn .n {
  font-size: clamp(36px, 4vw, 64px); font-weight: 800; line-height: 1;
  letter-spacing: -.03em; color: #fff;
  white-space: nowrap;
}
.bignums.tight .bn .n { font-size: clamp(28px, 2.6vw, 42px); }
.bignums .bn .n.y { color: var(--m-yellow); }
.bignums .bn .l {
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}

/* ── Timeline (slide 5: 5-year migration trap) ─────────────────────────── */
.timeline {
  background: var(--m-ink-2);
  border: 1px solid var(--m-line);
  border-radius: 16px;
  padding: 22px 26px;
}
.tline-head {
  display: flex; align-items: center; gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--m-line);
}
.tline-head .tag.bad { background: rgba(255,122,122,.12); color: var(--bad); border-color: rgba(255,122,122,.4); }
.tline-sub { color: var(--m-muted); font-size: 13px; line-height: 1.4; }

.tline {
  list-style: none; padding: 6px 0 0; margin: 12px 0 0;
  display: flex; flex-direction: column; gap: 0;
  position: relative;
}
.tline::before {
  content: ''; position: absolute;
  top: 22px; bottom: 22px; left: 96px;
  width: 1px; background: linear-gradient(180deg, var(--m-line-strong), var(--m-yellow), var(--bad));
}
.tline li {
  display: grid; grid-template-columns: 86px 1fr;
  align-items: center;
  gap: 28px;
  padding: 10px 0;
  position: relative;
}
.tline li::before {
  content: ''; position: absolute;
  left: 91px; top: 50%;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--m-ink-2);
  border: 2px solid var(--m-yellow);
  transform: translateY(-50%);
}
.tline li:last-child::before { background: var(--bad); border-color: var(--bad); }
.tline-y {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-yellow);
  text-align: right;
  padding-right: 0;
}
.tline-y.last { color: var(--bad); }
.tline-t {
  color: #fff; font-size: 14.5px; line-height: 1.45;
  padding-left: 14px;
}

/* ── Layered architecture (slide 10) ────────────────────────────────────── */
.stack-arch {
  display: flex; flex-direction: column;
  gap: 0;
}
.sa-layer {
  border-radius: 12px;
  padding: 12px 16px;
  display: flex; flex-direction: column;
  gap: 10px;
}
.sa-top {
  background: var(--m-ink-2);
  border: 1px solid rgba(255,212,0,.35);
  box-shadow: 0 0 0 1px rgba(255,212,0,.08), 0 18px 40px -28px rgba(255,212,0,.18);
}
.sa-mid {
  background: linear-gradient(180deg, var(--m-yellow) 0%, var(--m-yellow) 100%);
  color: var(--m-ink);
  padding: 18px 22px;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  box-shadow: 0 0 0 1px var(--m-yellow), 0 22px 60px -28px rgba(255,212,0,.5);
}
.sa-bot {
  background: var(--m-ink-2);
  border: 1px solid rgba(255,212,0,.35);
  box-shadow: 0 0 0 1px rgba(255,212,0,.08), 0 18px 40px -28px rgba(255,212,0,.18);
}
.sa-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-muted);
}
.sa-cells {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.sa-bot .sa-cells { grid-template-columns: repeat(5, 1fr); }
.sa-cell {
  background: var(--m-ink);
  border: 1px solid var(--m-line);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0;
}
.sa-cell-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--m-yellow);
}
.sa-cell.muted .sa-cell-k { color: var(--m-mute-2); }
.sa-cell-t {
  color: #fff; font-size: 13px; font-weight: 600; letter-spacing: -.005em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sa-mid-name {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800; letter-spacing: -.025em;
  color: var(--m-ink);
}
.sa-mid-pillars {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 6px 18px;
  font-size: 13.5px; line-height: 1.55;
  color: rgba(11,14,20,.78);
}
.sa-mid-pillars span { white-space: nowrap; }
.sa-mid-pillars strong { color: var(--m-ink); font-weight: 700; }

.sa-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  padding: 8px 24px;
}
.sa-flow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--m-line-strong), transparent);
}
.sa-flow-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--m-yellow);
  padding: 4px 12px;
  border: 1px dashed var(--m-line-strong);
  border-radius: 99px;
  white-space: nowrap;
}

/* Architecture diagram block (legacy — used by slide 44 if still present) */
.arch {
  display: grid; gap: 16px;
  padding: 22px;
  background: var(--m-ink-2); border: 1px solid var(--m-line); border-radius: 16px;
}
.arch .row { display: grid; grid-template-columns: 160px 1fr 160px; gap: 16px; align-items: stretch; }
.arch .lane {
  padding: 14px 16px; border-radius: 10px; background: var(--m-ink);
  border: 1px dashed var(--m-line); color: var(--m-mute-2);
  font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .04em;
  display: flex; align-items: center;
}
.arch .lane.us { background: var(--m-yellow); color: var(--m-ink); font-weight: 700; border: none; letter-spacing: .08em; }
.arch .lane.them { color: var(--m-mute-2); }
.arch .lane.below { background: rgba(255,255,255,.04); color: var(--m-muted); }
.arch .arrows {
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--m-yellow); letter-spacing: .12em;
}

/* ─── Password gate ───────────────────────────────────────────────────── */
.password-gate {
  position: fixed; inset: 0; z-index: 200;
  background:
    radial-gradient(900px 500px at 78% 30%, rgba(255,212,0,.12), transparent 60%),
    radial-gradient(700px 480px at 18% 95%, rgba(255,212,0,.08), transparent 60%),
    var(--m-ink);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter','Noto Sans JP','Noto Sans SC','Helvetica Neue',sans-serif;
  transition: opacity .24s cubic-bezier(.2,.7,.2,1);
  overflow: hidden;
}
.password-gate[hidden] { display: none; }
.password-gate .ambient { position: absolute; inset: 0; pointer-events: none; }
.password-gate .pg-card {
  position: relative; z-index: 1;
  width: min(440px, 92vw);
  background: rgba(20,25,35,.72);
  border: 1px solid rgba(255,212,0,.22);
  border-radius: 18px;
  padding: 32px 32px 24px;
  display: flex; flex-direction: column; gap: 12px;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 30px 80px -28px rgba(0,0,0,.6), 0 0 0 1px rgba(255,212,0,.05);
}
.password-gate .pg-mark {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--m-ink);
  display: inline-flex; align-items: center; justify-content: center;
  align-self: flex-start;
  box-shadow: 0 0 0 1px rgba(255,212,0,.18), 0 14px 30px -16px rgba(255,212,0,.4);
}
.password-gate .pg-eyebrow {
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--m-yellow);
}
.password-gate .pg-headline {
  font-size: 36px; font-weight: 800; letter-spacing: -.025em; line-height: 1; color: #fff;
  margin: 4px 0 2px;
}
.password-gate .pg-sub { color: var(--m-mute-2); font-size: 14px; line-height: 1.5; margin: 0; }
.password-gate form {
  display: flex; gap: 8px; margin-top: 12px;
}
.password-gate input {
  flex: 1; min-width: 0;
  padding: 11px 14px;
  background: var(--m-ink); border: 1px solid var(--m-line);
  border-radius: 10px; color: #fff; font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.password-gate input:focus {
  border-color: var(--m-yellow);
  box-shadow: 0 0 0 3px rgba(255,212,0,.18);
}
.password-gate button {
  padding: 11px 18px;
  background: var(--m-yellow); color: var(--m-ink);
  border: none; border-radius: 10px;
  font-family: inherit; font-weight: 700; font-size: 13.5px;
  letter-spacing: -.005em; cursor: pointer;
  transition: transform .12s, box-shadow .12s;
}
.password-gate button:hover { transform: translateY(-1px); box-shadow: 0 8px 18px -6px rgba(255,212,0,.5); }
.password-gate .pg-error {
  margin-top: 4px;
  padding: 8px 12px;
  background: rgba(255,122,122,.10);
  border: 1px solid rgba(255,122,122,.3);
  border-radius: 8px;
  color: var(--bad); font-size: 12.5px;
}
.password-gate .pg-foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--m-line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--m-muted);
}
/* While the gate is up, hide everything else so the page is locked. */
html.locked body > *:not(.password-gate):not(script) { visibility: hidden; }

/* ─── §8 Lang picker ──────────────────────────────────────────────────── */

.lang-picker {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(11,14,20,.85);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
}
.lang-picker[hidden] { display: none; }
.lang-picker .lp-card {
  background: var(--m-ink-2); border: 1px solid var(--m-line-strong);
  border-radius: 18px; padding: 36px 40px; min-width: 360px;
  display: flex; flex-direction: column; gap: 20px; align-items: center;
}
.lang-picker .lp-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--m-yellow);
}
.lang-picker .lp-headline { font-size: 24px; font-weight: 700; }
.lang-picker .lp-grid { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.lang-picker .lp-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 22px;
  background: var(--m-ink); border: 1px solid var(--m-line); border-radius: 10px;
  color: #fff; min-width: 130px;
  transition: border-color .18s, background .18s;
}
.lang-picker .lp-btn:hover { border-color: var(--m-yellow); background: rgba(255,212,0,.06); }
.lang-picker .lp-flag { font-size: 24px; }
.lang-picker .lp-native { font-weight: 700; font-size: 14px; }
.lang-picker .lp-hint { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .14em; color: var(--m-muted); text-transform: uppercase; }
.lang-picker .lp-foot {
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--m-muted); letter-spacing: .14em; text-transform: uppercase;
}

/* ─── §9 Misc ─────────────────────────────────────────────────────────── */

.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .6; }
.ambient .blob {
  position: absolute; width: 700px; height: 700px; border-radius: 50%;
  filter: blur(140px); opacity: .35;
}
.ambient .blob.y { background: var(--m-yellow); top: -200px; right: -150px; }
.ambient .blob.b { background: #1c2330; bottom: -250px; left: -150px; opacity: .8; }

/* Utility for CTA inside slides */
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 99px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 600;
  background: var(--m-yellow); color: var(--m-ink);
}
.cta.outline { background: transparent; color: #fff; border: 1px solid var(--m-line-strong); }
.slide.light .cta.outline { color: var(--m-ink); border-color: var(--m-line-dark-strong); }

/* Two-column screenshot/explanation slide layout */
.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 36px; align-items: center; }
.split.flip { grid-template-columns: 1fr 1.15fr; }
.split > .copy { display: flex; flex-direction: column; gap: 14px; }

/* Highlights inside cards */
.callout {
  padding: 14px 18px;
  background: rgba(255,212,0,.08);
  border-left: 3px solid var(--m-yellow);
  border-radius: 0 8px 8px 0;
  color: #fff; font-size: 14px; line-height: 1.5;
}
.slide.yellow .callout { background: rgba(11,14,20,.06); border-left-color: var(--m-ink); color: var(--m-ink); }

/* Print fallback */
@media print {
  .slide { position: relative; opacity: 1; transform: none; page-break-after: always; height: 100vh; }
  .slide.active ~ .slide, .slide:not(.active) { display: block; }
  .progress, .nav, .hint, .slide-tag, .lang-toggle, .mondeck-badge { display: none !important; }
}