/* =====================================================================
   Формула 4X — slide styles
   1920×1080 canvas. Static HTML inside <deck-stage>.
   ===================================================================== */

:root {
  /* Palette (overridable via Tweaks) */
  --bg:        #F9F8F6;
  --bg-2:      #EFE9E3;
  --accent-1:  #D9CFC7;
  --accent-2:  #C9B59C;
  --accent-3:  #8C7558;
  --ink:       #1F2937;
  --ink-2:     #6B7280;
  --ink-3:     #9CA3AF;
  --line:      #E5DED6;
  --bad:       #DC2626;
  --bad-bg:    #FEE2E2;
  --bad-bg-2:  #FCDADA;
  --good:      #10B981;
  --good-bg:   #D1FAE5;
  --good-bg-2: #BDF0D8;
  --black:     #15130F;

  --serif: 'Unbounded', 'Inter', system-ui, sans-serif;
  --sans:  'PT Sans', 'Inter', system-ui, sans-serif;

  --easing: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #000;
  font-family: var(--sans);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

deck-stage:not(:defined) { visibility: hidden; }

/* Every slide: 1920×1080, light bg by default */
deck-stage > section {
  width: 1920px;
  height: 1080px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 28px;
  line-height: 1.45;
  position: relative;
  overflow: hidden;
  padding: 110px 140px;
  display: flex;
  flex-direction: column;
}

/* ---------- Headings ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: 108px; line-height: 1.02; }
h2 { font-size: 84px;  line-height: 1.05; }
h3 { font-size: 56px;  line-height: 1.1; font-weight: 700; }
h4 { font-size: 36px;  line-height: 1.2; font-weight: 600; letter-spacing: 0; }

/* Breathing room from heading to main content on every slide.
   Applied to main slide titles (h1/h2.anim-2), not sub-headings inside cards. */
deck-stage > section > h1,
deck-stage > section > h2,
deck-stage > section h2.anim-2,
deck-stage > section h1.anim-2 {
  margin-bottom: 56px;
}

.eyebrow {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-3);
}

.lead { font-size: 36px; line-height: 1.4; color: var(--ink); }
.muted { color: var(--ink-2); }
.dim { color: var(--ink-3); }

/* numbers / huge metrics */
.huge {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-size: 280px;
}
.huge-sm { font-size: 180px; }

/* ---------- Layout primitives ---------- */
.row { display: flex; gap: 48px; }
.col { display: flex; flex-direction: column; gap: 32px; }
.fill { flex: 1; }
.center { display: flex; align-items: center; justify-content: center; }
.between { display: flex; align-items: center; justify-content: space-between; }
.gap-16 { gap: 16px; } .gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.gap-48 { gap: 48px; } .gap-64 { gap: 64px; } .gap-96 { gap: 96px; }
.mt-16 { margin-top: 16px; } .mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; } .mt-96 { margin-top: 96px; }

/* page header chrome — small block label top-left */
.page-head {
  position: absolute;
  top: 60px;
  left: 140px;
  right: 140px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.page-head .block-name { color: var(--accent-3); }
.page-head .step       { letter-spacing: 0.22em; }

/* ---------- Variants ---------- */
section.bg-cream  { background: var(--bg-2); }
section.bg-sand   { background: var(--accent-1); }
section.bg-tan    { background: var(--accent-2); color: var(--black); }
section.bg-tan h1, section.bg-tan h2, section.bg-tan h3 { color: var(--black); }
section.bg-dark   { background: var(--black); color: #EDE7DE; }
section.bg-dark h1, section.bg-dark h2, section.bg-dark h3 { color: #F4ECE0; }
section.bg-dark .muted { color: #9C958A; }
section.bg-dark .eyebrow { color: var(--accent-2); }
section.bg-bad-soft { background: #FBF1EE; }
section.bg-good-soft { background: #EFF7F1; }

/* ---------- Bullets / lists ---------- */
.bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.bullets li {
  display: flex;
  gap: 28px;
  font-size: 34px;
  line-height: 1.35;
  align-items: baseline;
}
.bullets li::before {
  content: '';
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--accent-2);
  flex-shrink: 0;
  transform: translateY(-4px);
}
.bullets.check li::before {
  content: '✓';
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  color: var(--accent-3);
  background: none;
  width: auto; height: auto;
  transform: none;
  min-width: 32px;
}
.bullets.cross li::before {
  content: '✕';
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  color: var(--bad);
  background: none;
  width: auto; height: auto;
  transform: none;
  min-width: 32px;
}
.bullets.numbered { counter-reset: bnum; }
.bullets.numbered li { counter-increment: bnum; gap: 32px; align-items: flex-start; }
.bullets.numbered li::before {
  content: counter(bnum, decimal-leading-zero);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 30px;
  color: var(--accent-3);
  background: none;
  width: 70px; height: auto;
  transform: none;
  letter-spacing: -0.02em;
}

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 56px;
  box-shadow: 0 1px 0 rgba(0,0,0,.02), 0 24px 60px -32px rgba(40,30,15,.18);
}
.card-flat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 48px;
}
.card-dark {
  background: var(--black);
  color: #EDE7DE;
  border-radius: 24px;
  padding: 56px;
}

/* before/after panels */
.ba {
  border-radius: 28px;
  padding: 56px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 100%;
}
.ba.before {
  background: var(--bad-bg);
  color: #5B0F0F;
}
.ba.before .label { color: var(--bad); }
.ba.before .stat { color: var(--bad); }
.ba.after {
  background: var(--good-bg);
  color: #0B3D2A;
}
.ba.after .label { color: var(--good); }
.ba.after .stat { color: var(--good); }
.ba .label {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.ba .stat {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 120px;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

/* the arrow between before/after */
.ba-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 96px;
  color: var(--accent-2);
  font-weight: 300;
  align-self: center;
}

/* ---------- Page numbers ---------- */
.page-num {
  position: absolute;
  bottom: 56px;
  right: 140px;
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.24em;
  color: var(--ink-3);
}
section.bg-dark .page-num { color: rgba(237,231,222,.4); }

/* ---------- Progress bar ---------- */
.progress {
  position: absolute;
  left: 140px;
  bottom: 60px;
  height: 3px;
  width: 360px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.progress > div {
  height: 100%;
  background: var(--accent-3);
  border-radius: 999px;
  transition: width .5s var(--easing);
}
section.bg-dark .progress { background: rgba(255,255,255,.12); }
section.bg-dark .progress > div { background: var(--accent-2); }

/* ---------- Section dividers ---------- */
.section-marker {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-3);
}

/* ---------- Specific helpers ---------- */
.kicker {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 20px;
  color: var(--accent-3);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent-1);
  color: var(--accent-3);
  font-weight: 600;
}
.tag.bad  { background: #FBE4E4; color: var(--bad); }
.tag.good { background: var(--good-bg); color: var(--good); }
.tag.dark { background: var(--black); color: var(--accent-2); }

blockquote.quote {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 72px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
blockquote.quote .q-mark {
  font-size: 200px;
  line-height: 0.7;
  color: var(--accent-2);
  display: block;
  margin-bottom: -40px;
}
.attribution {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-top: 48px;
}

/* Big number with caption */
.metric { display: flex; flex-direction: column; gap: 12px; }
.metric .n {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 160px;
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.metric .label {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* checklist (interactive on slide 4) */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 38px;
  line-height: 1.3;
  cursor: pointer;
  user-select: none;
  transition: opacity .25s var(--easing);
}
.check-item .box {
  width: 56px; height: 56px;
  border: 2px solid var(--ink-2);
  border-radius: 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s var(--easing);
}
.check-item .box svg { width: 36px; height: 36px; opacity: 0; transform: scale(.6); transition: all .25s var(--easing); }
.check-item.is-checked .box {
  border-color: var(--accent-3);
  background: var(--accent-3);
}
.check-item.is-checked .box svg { opacity: 1; stroke: #fff; transform: scale(1); }
.check-item.is-checked .label { color: var(--ink); }
.check-item:hover .box { border-color: var(--accent-3); }
.check-item .label { color: var(--ink); }

/* Placeholder for screenshots */
.shot {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(40,30,15,.35);
}
.shot .shot-bar {
  height: 44px;
  background: #F1ECE5;
  display: flex;
  align-items: center;
  padding: 0 18px;
  gap: 10px;
  border-bottom: 1px solid var(--line);
}
.shot .shot-bar .dot { width: 12px; height: 12px; border-radius: 999px; background: #D0C6B9; }
.shot .shot-bar .url {
  margin-left: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 18px;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink-2);
}
.shot-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.shot-skel {
  display: flex;
  gap: 12px;
  align-items: center;
}
.shot-skel .b {
  height: 12px;
  border-radius: 999px;
  background: var(--accent-1);
}
.shot-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.3em;
  color: rgba(140, 117, 88, 0.18);
  text-transform: uppercase;
  pointer-events: none;
}

/* Roadmap (slide 18) — 2-row snake layout */
.rmap-wrap {
  position: relative;
  width: 100%;
  max-width: 1640px;
  margin: 0 auto;
}
.rmap-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}
.rmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px 120px;
  position: relative;
  z-index: 1;
}
.rm2-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.rm2-node .num {
  width: 140px;
  height: 140px;
  border-radius: 999px;
  background: var(--accent-2);
  color: var(--black);
  font-family: var(--serif);
  font-weight: 800;
  font-size: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.04em;
  box-shadow: 0 12px 32px -16px rgba(140,117,88,.6);
}
.rm2-node.start .num, .rm2-node.end .num {
  background: transparent;
  border: 3px solid var(--ink);
  color: var(--ink);
  font-size: 36px;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.rm2-node.end .num {
  background: var(--ink);
  color: var(--accent-2);
  border-color: var(--ink);
}
.rm2-node .label {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}
.rm2-node .sub {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  text-transform: none;
  margin-top: 4px;
}
.rm-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  min-width: 180px;
}
.rm-node .num {
  width: 96px; height: 96px;
  border-radius: 999px;
  background: var(--accent-2);
  color: var(--black);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.02em;
}
.rm-node.start .num, .rm-node.end .num {
  background: transparent;
  border: 2px solid var(--ink);
  color: var(--ink);
  font-size: 22px;
  letter-spacing: 0.2em;
}
.rm-node.end .num {
  background: var(--ink);
  color: var(--accent-2);
  border-color: var(--ink);
}
.rm-node .label {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}
.rm-arrow {
  height: 2px;
  background: var(--accent-2);
  position: relative;
  min-width: 30px;
}
.rm-arrow::after {
  content: '';
  position: absolute;
  right: -1px; top: 50%;
  width: 16px; height: 16px;
  border-top: 2px solid var(--accent-2);
  border-right: 2px solid var(--accent-2);
  transform: translateY(-50%) rotate(45deg) translateX(-4px);
}

/* 4X grid */
.fx-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.fx-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 440px;
  position: relative;
  overflow: hidden;
}
.fx-card .step-num {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 96px;
  line-height: 1;
  color: var(--accent-2);
  letter-spacing: -0.04em;
}
.fx-card .step-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.fx-card .step-desc {
  margin-top: auto;
  font-size: 22px;
  color: var(--ink-2);
  line-height: 1.4;
}

/* Mini bar chart */
.bar-row {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  align-items: center;
  gap: 32px;
  font-size: 26px;
}
.bar-row .bar {
  height: 32px;
  background: var(--line);
  border-radius: 999px;
  position: relative;
  overflow: hidden;
}
.bar-row .bar > div {
  height: 100%;
  border-radius: 999px;
  transition: width 1s var(--easing);
}
.bar-row .bar.bad > div { background: var(--bad); }
.bar-row .bar.good > div { background: var(--good); }
.bar-row .bar.tan > div { background: var(--accent-2); }

/* table */
.tbl {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--sans);
  font-size: 28px;
}
.tbl th, .tbl td {
  text-align: left;
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.tbl th {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tbl td .strong {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 38px;
  letter-spacing: -0.02em;
}
.tbl .pos { color: var(--good); }
.tbl .neg { color: var(--bad); }

/* QR */
.qr-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  min-width: 360px;
}
.qr-card .qr {
  width: 320px;
  height: 320px;
  background: var(--bg-2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-card .qr img, .qr-card .qr svg { width: 100%; height: 100%; }
.qr-card .qr-label {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.05em;
}
.qr-card .qr-handle {
  font-family: var(--sans);
  font-size: 20px;
  color: var(--ink-2);
}

/* fade-in animation when slide becomes active */
deck-stage > section[data-active] .anim {
  animation: rise 0.7s var(--easing) both;
}
deck-stage > section[data-active] .anim-2 { animation-delay: 0.12s; }
deck-stage > section[data-active] .anim-3 { animation-delay: 0.24s; }
deck-stage > section[data-active] .anim-4 { animation-delay: 0.36s; }
deck-stage > section[data-active] .anim-5 { animation-delay: 0.48s; }
deck-stage > section[data-active] .anim-6 { animation-delay: 0.60s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

body.no-anim deck-stage > section[data-active] .anim,
body.no-anim deck-stage > section[data-active] [class*="anim-"] {
  animation: none !important;
}

/* timeline (slide 9) */
.timeline {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  position: relative;
}
.timeline-svg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 96px;
  pointer-events: none;
  overflow: visible;
}
.tm-step {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
}
.tm-step .dot {
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--accent-2);
  border: 6px solid var(--bg);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.tm-step.future .dot { background: var(--good); }
.tm-step .when {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tm-step .what {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.tm-step.future .what { color: var(--good); }

/* day schedule (slide 29) */
.schedule {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sched-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 36px;
  align-items: baseline;
  font-size: 36px;
  font-family: var(--sans);
  line-height: 1.3;
}
.sched-row .time {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 38px;
  letter-spacing: -0.01em;
}

/* big single-character glyph (used as background visual) */
.bg-glyph {
  position: absolute;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1400px;
  line-height: 0.8;
  color: var(--accent-1);
  opacity: 0.6;
  bottom: -260px;
  right: -180px;
  pointer-events: none;
  user-select: none;
}

/* Counter animation target */
.counter { display: inline-block; }

/* small icon glyphs (svg) sized to scale */
.icon {
  width: 64px; height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-3);
}
.icon svg { width: 100%; height: 100%; }