/* ─────────────────────────────────────────────────────────
   STUDIO·AI — Investor Deck
   Стиль: editorial cinema. Тёплая чёрная плёнка, кремовый
   текст, акцентный коралл (как блик от tungsten-света),
   шампанское золото. Типографика: Fraunces (display) +
   Manrope (body) + Instrument Serif (italic accent) +
   JetBrains Mono (numbers, technical).
   ───────────────────────────────────────────────────────── */

:root {
  /* palette */
  --ink: #0A0908;
  --ink-2: #14110F;
  --ink-3: #1F1B17;
  --paper: #F5EDE0;
  --paper-dim: rgba(245, 237, 224, 0.62);
  --paper-mute: rgba(245, 237, 224, 0.35);
  --paper-faint: rgba(245, 237, 224, 0.12);
  --champagne: #C9A86A;
  --coral: #E8553F;
  --coral-deep: #B53520;
  --coral-glow: rgba(232, 85, 63, 0.28);

  /* type */
  --f-display: "Fraunces", Georgia, serif;
  --f-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --f-ital: "Instrument Serif", Georgia, serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  /* sizes */
  --pad-x: clamp(2rem, 5vw, 6rem);
  --pad-y: clamp(2rem, 5vh, 5rem);

  /* film border */
  --frame: clamp(0.75rem, 1.5vw, 1.5rem);

  /* iOS-safe viewport heights (use dvh fallback to vh) */
  --vh-100: 100vh;
  --vh-100: 100dvh;

  /* safe-area insets — respect notch + home indicator */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);

  /* min tap target */
  --tap-min: 44px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-weight: 350;
  font-feature-settings: "ss01", "ss02";
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ─── film grain overlay ─── */
.grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.10;
  mix-blend-mode: overlay;
}

/* ─── soft vignette ─── */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 40%,
    rgba(0, 0, 0, 0.35) 100%
  );
}

/* ─── fixed top frame ─── */
.frame {
  position: fixed;
  left: 0; right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding:
    calc(1rem + var(--safe-top))
    calc(var(--pad-x) + var(--safe-right))
    1rem
    calc(var(--pad-x) + var(--safe-left));
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  pointer-events: none;
}
.frame--top { top: 0; }
.frame__left { justify-self: start; }
.frame__center { justify-self: center; }
.frame__right { justify-self: end; display: inline-flex; align-items: center; gap: 1.25rem; }

.frame > * { pointer-events: auto; }

/* now-playing slide title (animated transitions) */
.frame__nowplaying {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  background: rgba(10, 9, 8, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--paper-faint);
  border-radius: 99px;
  white-space: nowrap;
  max-width: min(56vw, 600px);
  overflow: hidden;
  text-overflow: ellipsis;
}
.frame__nowplaying-lbl {
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: var(--paper-mute);
}
.frame__nowplaying-title {
  font-family: var(--f-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--paper);
  font-feature-settings: "ss01";
  transition: opacity 0.4s, transform 0.4s;
}
.frame__nowplaying-title.is-changing {
  opacity: 0;
  transform: translateY(-6px);
}

/* icon button (overview / close) */
.iconbtn {
  width: 36px;
  height: 36px;
  background: rgba(10, 9, 8, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--paper-faint);
  color: var(--paper);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 0;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
  touch-action: manipulation;
}
@media (hover: hover) {
  .iconbtn:hover { background: var(--ink); border-color: var(--coral); }
}
.iconbtn:active { transform: scale(0.94); }
.iconbtn svg { width: 14px; height: 14px; }
.iconbtn--close { width: var(--tap-min); height: var(--tap-min); }
.iconbtn--close svg { width: 16px; height: 16px; }

/* visible focus rings (only when keyboard) */
:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  border-radius: 2px;
}
.iconbtn:focus-visible,
.dotnav button:focus-visible {
  outline-offset: 4px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 0.95rem;
  font-feature-settings: "ss01";
  letter-spacing: 0.05em;
  text-transform: none;
  color: var(--paper);
}
.wordmark__dot {
  width: 0.35rem;
  height: 0.35rem;
  background: var(--coral);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--coral-glow);
  display: inline-block;
}
.wordmark__sup {
  color: var(--coral);
  font-size: 0.75em;
  vertical-align: super;
  letter-spacing: 0;
}
.wordmark--big {
  font-size: 2.2rem;
  font-weight: 500;
}

/* parent × child brand line in top frame */
.brandline {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  text-transform: none;
  letter-spacing: 0.02em;
}
.brandline__parent {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.32em;
  color: var(--paper-mute);
  text-transform: uppercase;
  font-weight: 500;
}
.brandline__sep {
  color: var(--coral);
  font-family: var(--f-ital);
  font-style: italic;
  font-size: 0.85rem;
  margin: 0 0.1em;
}

.frame__counter {
  font-variant-numeric: tabular-nums;
}
.frame__counter-sep { margin: 0 0.3em; opacity: 0.5; }

/* ─── side dot navigation ─── */
.dotnav {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
}
.dotnav ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.dotnav button {
  width: 18px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  position: relative;
}
.dotnav button::before {
  content: "";
  width: 8px;
  height: 1px;
  background: var(--paper-mute);
  transition: width 0.35s ease, background 0.35s ease;
}
.dotnav button[aria-current="true"]::before {
  width: 18px;
  background: var(--coral);
}
.dotnav button:hover::before { background: var(--paper); width: 14px; }
.dotnav button[aria-current="true"]:hover::before { background: var(--coral); width: 18px; }

.dotnav button .dotnav__label {
  position: absolute;
  right: 28px;
  white-space: nowrap;
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink-2);
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--paper-faint);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}
.dotnav button:hover .dotnav__label {
  opacity: 1;
  transform: translateX(0);
}

/* ─── scroll hint (cover only) ─── */
.scrollhint {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--paper-mute);
  text-transform: uppercase;
  padding: 0.6rem 1rem 0.4rem;
  background: rgba(10, 9, 8, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--paper-faint);
  border-radius: 99px;
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scrollhint.is-visible {
  opacity: 0.85;
}
.scrollhint.is-hidden {
  opacity: 0 !important;
  transform: translateX(-50%) translateY(20px);
}
.scrollhint kbd {
  font-family: inherit;
  border: 1px solid var(--paper-faint);
  border-radius: 3px;
  padding: 0 0.3em;
  margin: 0 0.1em;
  font-size: 0.85em;
}
.scrollhint__arrow {
  width: 14px;
  height: auto;
  color: var(--coral);
  animation: arrowBounce 1.6s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}
@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50%      { transform: translateY(4px); opacity: 1; }
}

/* keyboard hint toast (lower-left, auto-dismisses) */
.keyhelp {
  position: fixed;
  bottom: 1.5rem;
  left: 1.25rem;
  z-index: 90;
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--paper-mute);
  background: rgba(10, 9, 8, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--paper-faint);
  border-radius: 4px;
  padding: 0.5rem 0.7rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s, transform 0.5s;
  pointer-events: none;
}
.keyhelp.is-visible { opacity: 1; transform: translateY(0); }
.keyhelp kbd {
  font-family: inherit;
  display: inline-block;
  background: rgba(245, 237, 224, 0.06);
  border: 1px solid var(--paper-faint);
  border-radius: 3px;
  padding: 0.05em 0.45em;
  margin: 0 0.15em;
  color: var(--paper);
  font-size: 0.95em;
}

/* ─── progress bar ─── */
.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(245, 237, 224, 0.05);
  z-index: 101;
}
.progress__bar {
  height: 100%;
  background: var(--coral);
  width: 0;
  transition: width 0.15s linear;
  box-shadow: 0 0 8px var(--coral-glow);
}

/* ─── overview overlay (press G) ─── */
.overview {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 9, 8, 0.98);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 4vw, 3rem);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.overview[hidden] { display: none; }
.overview.is-open {
  opacity: 1;
  pointer-events: auto;
}
.overview__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.overview__title {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 500;
  color: var(--paper);
  letter-spacing: -0.01em;
}
.overview__subtitle {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.overview__grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  overflow-y: auto;
  padding-right: 0.5rem;
  align-content: start;
}
.overview__card {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--paper-faint);
  background: var(--ink-2);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
  padding: 0;
  font-family: inherit;
  color: var(--paper);
  text-align: left;
}
.overview__card:hover, .overview__card:focus-visible {
  border-color: var(--coral);
  transform: translateY(-3px);
}
.overview__card-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}
.overview__card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 9, 8, 0.3), rgba(10, 9, 8, 0.85));
}
.overview__card-content {
  position: relative;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.overview__card-num {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--coral);
}
.overview__card-title {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.overview__card[aria-current="true"] {
  border-color: var(--coral);
  box-shadow: 0 0 0 1px var(--coral), 0 8px 30px var(--coral-glow);
}
.overview__card[aria-current="true"] .overview__card-img { opacity: 0.6; }

/* ─── reel & slides ─── */
.reel {
  height: var(--vh-100);
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}
.reel::-webkit-scrollbar { display: none; }
.reel { scrollbar-width: none; }

.slide {
  min-height: var(--vh-100);
  scroll-snap-align: start;
  scroll-snap-stop: always;
  padding:
    calc(var(--pad-y) + 2.5rem + var(--safe-top))
    calc(var(--pad-x) + var(--safe-right))
    calc(var(--pad-y) + var(--safe-bottom))
    calc(var(--pad-x) + var(--safe-left));
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

/* eyebrow / scene number */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 2.5rem;
}
.eyebrow__bar {
  width: 36px;
  height: 1px;
  background: var(--coral);
  display: inline-block;
}
.eyebrow--coral { color: var(--coral); }
.eyebrow--coral .eyebrow__bar { background: var(--coral); }

/* ─── display typography ─── */
.display {
  font-family: var(--f-display);
  font-feature-settings: "ss01", "lnum";
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: -0.025em;
  color: var(--paper);
}
.display--xxl { font-size: clamp(3.5rem, 9.5vw, 9rem); }
.display--xl  { font-size: clamp(2.8rem, 7vw, 6.5rem); }
.display--l   { font-size: clamp(2.2rem, 5.2vw, 4.8rem); }

.ital {
  font-family: var(--f-ital);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: normal;
  letter-spacing: -0.01em;
}

.hl-coral { color: var(--coral); font-style: italic; font-family: var(--f-ital); font-weight: 400; }

.strike {
  position: relative;
  text-decoration: none;
  color: var(--paper-mute);
}
.strike::after {
  content: "";
  position: absolute;
  left: -2%; right: -2%; top: 52%;
  height: 0.07em;
  background: var(--coral);
  transform: rotate(-3deg);
}

/* ─────────────────────────────────────────────────────────
   IMAGE BACKGROUND SYSTEM
   Slides with a generated illustration as backdrop. Image
   sits at z-index 0; a darkening + warm-tint layer goes on
   top to keep typography readable.
   ───────────────────────────────────────────────────────── */
.slide--bg {
  position: relative;
  isolation: isolate;
}
.slide--bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: var(--bg-img, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: var(--bg-opa, 0.55);
  filter: contrast(1.05) saturate(1.05);
}
.slide--bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 30%, rgba(10, 9, 8, 0.65) 100%),
    linear-gradient(180deg, rgba(10, 9, 8, 0.45) 0%, rgba(10, 9, 8, 0.2) 50%, rgba(10, 9, 8, 0.7) 100%);
}

/* soft variant: heavier darken for slides with dense content */
.slide--bg-soft {
  --bg-opa: 0.32;
}
.slide--bg-soft::after {
  background:
    radial-gradient(ellipse at 30% 40%, rgba(10, 9, 8, 0.55) 0%, rgba(10, 9, 8, 0.85) 70%),
    linear-gradient(135deg, rgba(10, 9, 8, 0.6) 0%, rgba(10, 9, 8, 0.4) 50%, rgba(10, 9, 8, 0.85) 100%);
}

/* ─────────────────────────────────────────────────────────
   01 COVER
   ───────────────────────────────────────────────────────── */
.slide--cover {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 80% 30%, rgba(232, 85, 63, 0.10), transparent 50%),
    var(--ink);
}
.cover__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.55;
  filter: contrast(1.05) saturate(1.05);
}
.cover__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 30%, rgba(10, 9, 8, 0.6) 100%),
    linear-gradient(180deg, rgba(10, 9, 8, 0.4) 0%, rgba(10, 9, 8, 0.15) 50%, rgba(10, 9, 8, 0.7) 100%);
}
@media (prefers-reduced-motion: reduce) {
  .cover__video { display: none; }
  .slide--cover { background-image: url("img/01-hero.png"); background-size: cover; background-position: center; }
}

.cover__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
  flex: 1;
}

.cover__lead .display { margin: 1rem 0 1.8rem; }

/* "представляет" intro */
.cover__present {
  display: inline-flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
  padding-top: 0.3rem;
}
.cover__present-by {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  color: var(--paper);
  font-weight: 500;
  border-left: 2px solid var(--coral);
  padding-left: 0.7rem;
}
.cover__present-x {
  font-family: var(--f-ital);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--paper-mute);
}

.cover__title {
  margin: 0.5rem 0 1rem !important;
  line-height: 0.92;
}
.cover__brand {
  display: inline-block;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(3.8rem, 11vw, 11rem);
  letter-spacing: -0.045em;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  line-height: 0.9;
  background: linear-gradient(180deg, var(--paper) 60%, var(--champagne) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 60px rgba(232, 85, 63, 0.3);
}
.cover__brand-dot {
  font-family: var(--f-display);
  font-style: normal;
  color: var(--coral);
  -webkit-text-fill-color: var(--coral);
  margin: 0 -0.05em;
  font-size: 0.85em;
  vertical-align: 0.05em;
}

.cover__tag {
  font-family: var(--f-display);
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  font-weight: 400;
  color: var(--paper);
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  font-feature-settings: "ss01";
}
.cover__tag .ital { color: var(--coral); }

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.4rem);
  max-width: 38ch;
  color: var(--paper-dim);
  line-height: 1.5;
  font-weight: 350;
}

.cover__art {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.leader {
  width: clamp(220px, 32vw, 420px);
  height: auto;
  color: var(--paper-mute);
  filter: drop-shadow(0 0 60px rgba(232, 85, 63, 0.18));
}
.leader__sweep {
  transform-origin: 160px 160px;
  animation: sweep 4s ease-in-out infinite;
}
@keyframes sweep {
  0%   { transform: rotate(0deg); }
  50%  { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}
.leader__num {
  font-family: var(--f-display);
  font-size: 110px;
  font-weight: 700;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
  fill: var(--coral);
}
.leader__label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  fill: var(--paper-mute);
}

.cover__footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--paper-faint);
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.stat__num {
  font-family: var(--f-display);
  font-size: clamp(1.7rem, 2.5vw, 2.4rem);
  font-weight: 600;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  color: var(--paper);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat__lbl {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* ─────────────────────────────────────────────────────────
   02b PROOF — embedded video demo
   ───────────────────────────────────────────────────────── */
.slide--proof {
  background:
    radial-gradient(circle at 50% 0%, rgba(232, 85, 63, 0.08), transparent 40%),
    var(--ink);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 2rem;
  align-items: stretch;
  justify-items: center;
}
.proof__head { width: 100%; max-width: var(--maxw, 1280px); }
.proof__line { margin: 1rem 0 0.8rem; max-width: 22ch; }
.proof__sub {
  color: var(--paper-dim);
  font-family: var(--f-display);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  letter-spacing: -0.01em;
  max-width: 50ch;
}
.proof__sub em {
  color: var(--coral);
  font-style: italic;
  font-family: var(--f-ital);
}
.proof__player {
  width: 100%;
  max-width: 1280px;
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  align-self: center;
}
.proof__player video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
  border: 1px solid var(--paper-faint);
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px var(--paper-faint),
    inset 0 0 0 1px rgba(232, 85, 63, 0.08);
  cursor: pointer;
}
.proof__caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.proof__sound {
  background: rgba(245, 237, 224, 0.04);
  border: 1px solid var(--paper-faint);
  color: var(--paper);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  border-radius: 99px;
  transition: background 0.2s, border-color 0.2s;
  min-height: var(--tap-min, 44px);
}
.proof__sound:hover, .proof__sound:focus-visible {
  border-color: var(--coral);
  background: rgba(232, 85, 63, 0.08);
}
.proof__sound .proof__sound-off { display: none; }
.proof__sound[data-muted="false"] .proof__sound-on { display: none; }
.proof__sound[data-muted="false"] .proof__sound-off { display: inline; color: var(--coral); }

@media (max-width: 700px) {
  .proof__player { gap: 0.5rem; }
  .proof__caption { flex-direction: column; align-items: flex-start; gap: 0.5rem; font-size: 0.6rem; }
}

/* ─────────────────────────────────────────────────────────
   02 THESIS
   ───────────────────────────────────────────────────────── */
.slide--thesis {
  text-align: left;
}
.thesis__line { max-width: 18ch; }

.thesis__compare {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 920px;
  border-top: 1px solid var(--paper-faint);
  border-bottom: 1px solid var(--paper-faint);
  padding: 2rem 0;
}
.cell__lbl {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 0.75rem;
}
.cell__val {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.5vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144;
}
.cell__val--strike {
  color: var(--paper-mute);
  text-decoration: line-through;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
}
.cell__val--coral { color: var(--coral); }
.cell__arrow {
  font-family: var(--f-display);
  font-size: 2.5rem;
  color: var(--paper-mute);
}

/* ─────────────────────────────────────────────────────────
   03 WHY NOW
   ───────────────────────────────────────────────────────── */
.why__list {
  list-style: none;
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}
.why__list::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: 26px;
  height: 1px;
  background: var(--paper-faint);
}
.why__item {
  position: relative;
  padding-top: 3.5rem;
}
.why__item::before {
  content: "";
  position: absolute;
  top: 19px; left: 0;
  width: 14px; height: 14px;
  background: var(--ink);
  border: 1px solid var(--coral);
  border-radius: 50%;
}
.why__item:nth-child(1)::before { background: var(--coral); }
.why__date {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--coral);
  margin-bottom: 1rem;
}
.why__head {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}
.why__txt {
  color: var(--paper-dim);
  font-size: 1rem;
  line-height: 1.5;
  max-width: 32ch;
}

.why__warning {
  margin-top: 4rem;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--coral);
  background: rgba(232, 85, 63, 0.04);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 720px;
}
.why__warning-mark {
  color: var(--coral);
  font-size: 1.3rem;
}
.why__warning p {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 1.2rem;
  line-height: 1.4;
}
.why__warning strong { color: var(--coral); font-weight: 500; }

/* ─────────────────────────────────────────────────────────
   04 MATH
   ───────────────────────────────────────────────────────── */
.math__board {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr 1fr;
  gap: 2rem 3rem;
  align-items: end;
  border-top: 1px solid var(--paper-faint);
  padding-top: 3rem;
}
.math__col { display: flex; flex-direction: column; gap: 0.5rem; }
.math__lbl {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.math__big {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(3rem, 7vw, 6rem);
  font-variation-settings: "opsz" 144, "SOFT" 0;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--paper);
}
.math__big--coral { color: var(--coral); }
.math__big--gold { color: var(--champagne); }
.math__sub {
  font-size: 0.95rem;
  color: var(--paper-dim);
  line-height: 1.4;
}
.math__col--margin {
  border-left: 1px solid var(--paper-faint);
  padding-left: 2rem;
}
.math__arrow {
  width: 100%;
  max-width: 200px;
  height: 60px;
  color: var(--paper-mute);
  align-self: center;
}
.math__arrow-label {
  font-family: var(--f-ital);
  font-size: 18px;
  font-style: italic;
  fill: var(--coral);
}

.math__compare {
  margin-top: 4rem;
  max-width: 720px;
}
.compare__row {
  display: grid;
  grid-template-columns: 200px 1fr 60px;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--paper-faint);
}
.compare__name {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--paper-dim);
}
.compare__bar {
  height: 6px;
  width: var(--w);
  background: var(--paper-mute);
  display: block;
  border-radius: 1px;
}
.compare__row--us .compare__bar { background: var(--coral); box-shadow: 0 0 12px var(--coral-glow); }
.compare__row--us .compare__name { color: var(--coral); font-weight: 500; }
.compare__val {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: right;
}
.math__compare-cap {
  font-size: 0.92rem;
  color: var(--paper-dim);
  margin-top: 1.2rem;
  font-style: italic;
  font-family: var(--f-ital);
  line-height: 1.5;
  text-wrap: pretty;
}
.math__compare-cap em {
  color: var(--coral);
  font-style: italic;
  font-family: var(--f-ital);
}

.math__sub small {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.75em;
  letter-spacing: 0.04em;
  color: var(--paper-mute);
  margin-top: 0.3rem;
  text-transform: uppercase;
}

/* ─── pricing tiers (Lite/Fast/Pro) ─── */
.math__tiers {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--paper-faint);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 720px;
}
.math__tier {
  border: 1px solid var(--paper-faint);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: rgba(245, 237, 224, 0.02);
  transition: border-color 0.3s, background 0.3s;
}
.math__tier:hover { border-color: var(--coral); }
.math__tier--feature {
  border-color: var(--coral);
  background: rgba(232, 85, 63, 0.06);
}
.math__tier-name {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--paper);
}
.math__tier--feature .math__tier-name { color: var(--coral); }
.math__tier-spec {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.math__tier-price {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin-top: 0.4rem;
}
.math__tier-price small {
  font-family: var(--f-mono);
  font-size: 0.5em;
  font-weight: 400;
  color: var(--paper-mute);
  letter-spacing: 0.12em;
  margin-left: 0.3rem;
}
.math__tier-cost {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--paper-mute);
  letter-spacing: 0.04em;
}

@media (max-width: 700px) {
  .math__tiers { grid-template-columns: 1fr; gap: 0.7rem; }
  .math__tier { padding: 0.9rem 1rem; }
  .math__tier-price { font-size: 1.3rem; }
}

/* ─────────────────────────────────────────────────────────
   05 CLIENTS
   ───────────────────────────────────────────────────────── */
.cast {
  list-style: none;
  margin-top: 3rem;
  border-top: 1px solid var(--paper-faint);
}
.cast__row {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr 1fr;
  align-items: baseline;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--paper-faint);
  transition: background 0.3s, padding 0.3s;
}
.cast__row:hover { background: rgba(245, 237, 224, 0.025); padding-left: 1rem; padding-right: 1rem; }
.cast__who {
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 2.2vw, 1.9rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.cast__amt {
  font-family: var(--f-display);
  font-size: clamp(1.1rem, 2vw, 1.8rem);
  font-weight: 600;
  color: var(--coral);
  letter-spacing: -0.02em;
}
.cast__per {
  font-family: var(--f-ital);
  font-size: 0.7em;
  color: var(--paper-mute);
  font-weight: 400;
  letter-spacing: 0;
}
.cast__note {
  font-family: var(--f-ital);
  font-style: italic;
  color: var(--paper-dim);
  font-size: 1rem;
  text-align: right;
}
.cast__row--big .cast__who { color: var(--champagne); }
.cast__row--big .cast__amt { color: var(--champagne); }

.cast__legend {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--paper-dim);
  font-style: italic;
  font-family: var(--f-ital);
  font-size: 1.1rem;
}
.cast__legend-dot {
  width: 8px; height: 8px;
  background: var(--coral);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--coral-glow);
}

/* ─────────────────────────────────────────────────────────
   06 MOAT
   ───────────────────────────────────────────────────────── */
.moat__lede {
  font-size: 1.15rem;
  color: var(--paper-dim);
  max-width: 60ch;
  margin: 1.5rem 0 3rem;
  line-height: 1.55;
}

.moat__chart {
  background: var(--ink-2);
  padding: 2rem;
  border: 1px solid var(--paper-faint);
  margin-bottom: 2.5rem;
  position: relative;
}
.growth { width: 100%; height: auto; color: var(--paper-mute); }
.growth__labels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}
.growth__labels > div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-align: center;
}
.growth__t {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.growth__v {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--coral);
}
.growth__cap {
  text-align: center;
  margin-top: 1.2rem;
  font-style: italic;
  font-family: var(--f-ital);
  color: var(--paper-dim);
}

.moat__pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.pillar {
  border-top: 1px solid var(--coral);
  padding-top: 1.2rem;
}
.pillar__num {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--coral);
  display: block;
  margin-bottom: 0.7rem;
}
.pillar h4 {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.pillar p {
  font-size: 0.92rem;
  color: var(--paper-dim);
  line-height: 1.45;
}

/* ─────────────────────────────────────────────────────────
   07 ROADMAP
   ───────────────────────────────────────────────────────── */
.map {
  list-style: none;
  margin-top: 3rem;
  border-top: 1px solid var(--paper-faint);
}
.map__step {
  display: grid;
  grid-template-columns: 130px 200px 1fr;
  gap: 2rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--paper-faint);
  position: relative;
  transition: padding 0.3s;
}
.map__step::before {
  content: "";
  position: absolute;
  left: -1rem; top: 50%;
  width: 6px; height: 6px;
  background: var(--paper-mute);
  border-radius: 50%;
  transform: translateY(-50%);
  transition: background 0.3s, width 0.3s;
}
.map__step:hover { padding-left: 1.5rem; }
.map__step:hover::before { background: var(--coral); width: 12px; }
.map__step--mid::before { background: var(--coral); }
.map__step--final::before { background: var(--champagne); width: 14px; height: 14px; box-shadow: 0 0 16px var(--champagne); }

.map__when {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.map__rev {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  color: var(--coral);
  letter-spacing: -0.02em;
}
.map__rev em {
  font-family: var(--f-ital);
  font-style: italic;
  font-weight: 400;
  font-size: 0.6em;
  color: var(--paper-mute);
  letter-spacing: 0;
}
.map__step--final .map__rev { color: var(--champagne); }
.map__what {
  font-size: 1.05rem;
  color: var(--paper-dim);
  line-height: 1.4;
}

.map__cap {
  margin-top: 2.5rem;
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 400;
  color: var(--paper);
  font-feature-settings: "ss01";
}

/* ─────────────────────────────────────────────────────────
   08 WHY US — TRIO
   ───────────────────────────────────────────────────────── */
.trio {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.trio__card {
  border: 1px solid var(--paper-faint);
  padding: 2rem;
  background: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.4s ease, border-color 0.4s ease;
}
.trio__card:hover {
  transform: translateY(-4px);
  border-color: var(--coral);
}
.trio__card--parent {
  border-color: var(--coral);
  background: linear-gradient(180deg, rgba(232, 85, 63, 0.05), var(--ink-2));
  position: relative;
}
.trio__badge {
  position: absolute;
  top: -10px; left: 1.5rem;
  background: var(--coral);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  font-weight: 600;
}
.trio__num {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 144, "WONK" 1;
  font-size: 2.5rem;
  color: var(--coral);
  line-height: 1;
}
.trio__name {
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.trio__role {
  color: var(--paper-dim);
  font-size: 1rem;
  line-height: 1.5;
  min-height: 4.5em;
}
.trio__stats {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--paper-faint);
  padding-top: 1rem;
  margin-top: auto;
}
.trio__stats li {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--paper-mute);
  letter-spacing: 0.04em;
}
.trio__stats span {
  color: var(--coral);
  font-weight: 500;
  margin-right: 0.5rem;
}

.trio__sum {
  margin-top: 2.5rem;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--champagne);
  font-size: 1.15rem;
  line-height: 1.55;
  background: rgba(201, 168, 106, 0.04);
  max-width: 800px;
}
.trio__sum strong { color: var(--champagne); font-weight: 500; }

/* ─────────────────────────────────────────────────────────
   09 ASK
   ───────────────────────────────────────────────────────── */
.ask__head {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}
.ask__sub {
  color: var(--paper-dim);
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 3rem;
}

.ask__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: center;
}
.donut {
  width: 280px;
  height: 280px;
  filter: drop-shadow(0 0 30px var(--coral-glow));
}
.donut__big {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 32px;
  fill: var(--paper);
  letter-spacing: -0.02em;
}
.donut__sub {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  fill: var(--paper-mute);
}

.ask__legend {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.ask__legend li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--paper-faint);
}
.ask__legend li:last-child { border-bottom: none; }
.ask__sw {
  width: 12px; height: 12px;
  display: inline-block;
}
.ask__legend strong {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-right: 0.5rem;
  color: var(--paper);
  letter-spacing: -0.02em;
}
.ask__legend em {
  font-family: var(--f-ital);
  font-style: italic;
  color: var(--paper-mute);
  font-size: 0.95rem;
}

/* ─────────────────────────────────────────────────────────
   10 HIDDEN UPSIDE
   ───────────────────────────────────────────────────────── */
.slide--hidden {
  --bg-opa: 0.38;
  background:
    radial-gradient(circle at 90% 0%, rgba(232, 85, 63, 0.18), transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(201, 168, 106, 0.10), transparent 50%),
    var(--ink);
}
.slide--hidden::after {
  background:
    radial-gradient(ellipse at 30% 50%, rgba(10, 9, 8, 0.5) 0%, rgba(10, 9, 8, 0.85) 80%),
    linear-gradient(180deg, rgba(10, 9, 8, 0.4) 0%, rgba(10, 9, 8, 0.85) 100%);
}
.hidden__head { margin: 1rem 0 1.5rem; }
.hidden__lede {
  color: var(--paper-dim);
  max-width: 65ch;
  font-size: 1.15rem;
  line-height: 1.55;
  margin-bottom: 3rem;
}
.hidden__lede strong { color: var(--coral); font-weight: 500; }

.hidden__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.hidden__card {
  background: linear-gradient(180deg, rgba(232, 85, 63, 0.06), transparent);
  border: 1px solid var(--paper-faint);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s;
}
.hidden__card:hover {
  border-color: var(--coral);
  transform: translateY(-3px);
}
.hidden__card--wide {
  grid-column: span 2;
  background: linear-gradient(180deg, rgba(201, 168, 106, 0.06), transparent);
}
.hidden__num {
  font-family: var(--f-display);
  font-style: italic;
  font-variation-settings: "opsz" 144, "WONK" 1;
  font-size: 1.6rem;
  color: var(--coral);
  position: absolute;
  top: 1rem; right: 1.2rem;
  font-weight: 400;
  opacity: 0.6;
}
.hidden__amt {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 600;
  color: var(--champagne);
  letter-spacing: -0.02em;
  line-height: 1;
}
.hidden__name {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.hidden__txt {
  color: var(--paper-dim);
  font-size: 0.92rem;
  line-height: 1.5;
}
.hidden__txt strong { color: var(--coral); font-weight: 500; }

/* cross-link card variant — leads to /production/pro */
.hidden__card--linked { padding-bottom: 3.5rem; }
.hidden__link {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  background: rgba(232, 85, 63, 0.10);
  border-top: 1px solid var(--coral);
  color: var(--coral);
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.25s, color 0.25s;
  min-height: 44px;
}
.hidden__link:hover, .hidden__link:focus-visible {
  background: var(--coral);
  color: var(--ink);
}
.hidden__link-arrow {
  font-family: var(--f-display);
  font-style: italic;
  letter-spacing: 0;
  font-size: 1.1em;
  transition: transform 0.25s;
}
.hidden__link:hover .hidden__link-arrow { transform: translate(2px, -2px); }

/* ─────────────────────────────────────────────────────────
   11 COMPARISON
   ───────────────────────────────────────────────────────── */
.vs__table {
  margin-top: 3rem;
  display: grid;
  gap: 0;
  border: 1px solid var(--paper-faint);
}
.vs__row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
  border-bottom: 1px solid var(--paper-faint);
}
.vs__row:last-child { border-bottom: none; }
.vs__row > div {
  padding: 1.2rem 1.5rem;
  border-right: 1px solid var(--paper-faint);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
}
.vs__row > div:last-child { border-right: none; }
.vs__head {
  background: var(--ink-2);
}
.vs__head > div {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.vs__head > div:first-child { background: transparent; }
.vs__head > div:nth-child(2) { color: var(--coral); }
.vs__lbl {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.vs__cell--win {
  color: var(--coral);
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.vs__row > div:nth-child(2) {
  background: transparent;
}
/* in 4-col layout, last column (us) gets the highlight */
.vs__row > div:last-child {
  background: rgba(232, 85, 63, 0.07);
}
.vs__head > div:last-child {
  color: var(--coral);
}
.vs__cap {
  margin-top: 2.5rem;
  font-family: var(--f-display);
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  color: var(--paper-dim);
  font-feature-settings: "ss01";
  text-align: center;
  text-wrap: balance;
}
.vs__cap em {
  color: var(--coral);
  font-style: italic;
  font-family: var(--f-ital);
}
.vs__head small {
  color: var(--paper-mute);
  font-weight: 400;
  font-size: 0.7em;
  display: block;
  margin-top: 0.2rem;
}

/* ─────────────────────────────────────────────────────────
   12 CLOSING
   ───────────────────────────────────────────────────────── */
.slide--end {
  --bg-opa: 0.55;
  background:
    radial-gradient(circle at 50% 100%, rgba(232, 85, 63, 0.18), transparent 50%),
    var(--ink);
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 3rem;
}
.slide--end::after {
  background:
    linear-gradient(180deg, rgba(10, 9, 8, 0.85) 0%, rgba(10, 9, 8, 0.3) 35%, rgba(10, 9, 8, 0.55) 70%, rgba(10, 9, 8, 0.85) 100%);
}
.end__hero {
  align-self: center;
}
.end__line {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
}
.end__sub {
  font-family: var(--f-display);
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  color: var(--paper-dim);
  line-height: 1.5;
  max-width: 50ch;
}

.end__cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--paper-faint);
}
.end__deal {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 3rem;
}
.end__deal-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--paper-faint);
  padding: 0.6rem 0;
  align-items: baseline;
}
.end__deal-row span {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.end__deal-row strong {
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: -0.02em;
}

.end__sign {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
}
.end__brand-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}
.end__parent {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--paper-mute);
  font-weight: 500;
}
.end__contact {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--paper-mute);
}

.end__credits {
  font-family: var(--f-ital);
  font-style: italic;
  color: var(--paper-mute);
  text-align: center;
  font-size: 0.95rem;
  padding-top: 2rem;
  border-top: 1px solid var(--paper-faint);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.end__credits strong { color: var(--paper); font-style: normal; font-family: var(--f-display); font-weight: 500; }

.end__totop {
  background: transparent;
  border: 1px solid var(--paper-faint);
  color: var(--paper-mute);
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-style: normal;
  border-radius: 99px;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.end__totop:hover { color: var(--coral); border-color: var(--coral); background: rgba(232, 85, 63, 0.06); }

/* ─────────────────────────────────────────────────────────
   ANIMATIONS — staggered reveal
   ───────────────────────────────────────────────────────── */
.slide [data-r] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 1.0s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0ms);
}
.slide.is-active [data-r] {
  opacity: 1;
  transform: none;
}

/* image fade-in for slide backgrounds */
.slide--bg::before {
  transition: opacity 1.2s ease 0.1s;
}
.slide--bg:not(.is-img-loaded)::before { opacity: 0 !important; }

/* pause expensive animations when slide is off-screen */
.slide:not(.is-active) .leader__sweep { animation-play-state: paused; }

/* better text wrap defaults */
.display, .why__head, .pillar h4, .trio__name, .hidden__name, .vs__head > div, .map__rev, .end__line {
  text-wrap: balance;
}
.lede, .why__txt, .pillar p, .trio__role, .hidden__txt, .moat__lede, .hidden__lede, .end__sub, .why__warning p {
  text-wrap: pretty;
}

/* ─────────────────────────────────────────────────────────
   REDUCED MOTION
   Honor accessibility preference. Disable parallax, sweep,
   long transitions; keep functional state changes only.
   ───────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.15s !important;
    scroll-behavior: auto !important;
  }
  .slide [data-r] { opacity: 1; transform: none; }
  .leader__sweep { animation: none; transform-origin: 160px 160px; transform: rotate(45deg); }
  .scrollhint__arrow { animation: none; }
}

/* ─────────────────────────────────────────────────────────
   PRINT — single-page-per-slide PDF export
   ───────────────────────────────────────────────────────── */
@media print {
  @page { size: 297mm 168mm; margin: 0; }
  html, body { background: #fff !important; color: #000 !important; }
  .grain, .vignette, .frame, .dotnav, .progress, .scrollhint, .keyhelp, .overview { display: none !important; }
  .reel { height: auto !important; overflow: visible !important; scroll-snap-type: none !important; }
  .slide {
    page-break-after: always;
    break-after: page;
    min-height: 168mm;
    height: 168mm;
    padding: 12mm 18mm;
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
  }
  .slide--bg::before, .slide--bg::after { display: none !important; }
  .slide [data-r] { opacity: 1 !important; transform: none !important; }
  .display, .ital, .hl-coral, .cell__val--coral, .math__big--coral, .cast__amt, .vs__cell--win,
  .map__rev, .map__cap em, .end__line .ital, .hidden__head .ital, .why__date,
  .pillar__num, .trio__num, .hidden__num, .cover__brand-dot, .cover__present-by {
    color: #c8401f !important;
    background: none !important;
    -webkit-text-fill-color: #c8401f !important;
  }
  .cover__brand {
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    color: #000 !important;
    -webkit-text-fill-color: #000 !important;
    text-shadow: none !important;
  }
  .lede, .why__txt, .pillar p, .trio__role, .hidden__txt, .math__sub,
  .compare__name, .cast__note, .map__what {
    color: #333 !important;
  }
  .eyebrow, .frame__meta, .stat__lbl, .math__lbl, .why__date, .map__when {
    color: #555 !important;
  }
  .why__warning, .trio__sum {
    background: #fff5f0 !important;
  }
  .vs__row > div:nth-child(2) { background: #fff5f0 !important; }
}

/* ─────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .cover__grid { grid-template-columns: 1fr; gap: 2rem; }
  .stat-row { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .why__list { grid-template-columns: 1fr; gap: 3rem; }
  .why__list::before { display: none; }
  .moat__pillars { grid-template-columns: repeat(2, 1fr); }
  .trio { grid-template-columns: 1fr; }
  .hidden__grid { grid-template-columns: repeat(2, 1fr); }
  .hidden__card--wide { grid-column: span 2; }
  .math__board { grid-template-columns: 1fr; gap: 2rem; }
  .math__col--margin { border-left: none; border-top: 1px solid var(--paper-faint); padding-left: 0; padding-top: 1.5rem; }
  .math__arrow { display: none; }
  .ask__grid { grid-template-columns: 1fr; gap: 2rem; }
  .donut { width: 220px; height: 220px; margin: 0 auto; }
  .end__cta { grid-template-columns: 1fr; gap: 2rem; }
  .end__sign { text-align: left; }
  /* vs: на планшете 3 колонки — наша + 2 главных конкурента */
  .vs__row { grid-template-columns: 1.3fr 1fr 1.1fr; }
  .vs__row > div:nth-child(3),
  .vs__row > div:nth-child(4) { display: none; }
  .map__step { grid-template-columns: 1fr; gap: 0.4rem; padding-left: 1rem; }
}

@media (max-width: 700px) {
  :root { --pad-x: 1.1rem; --pad-y: 1.2rem; }

  /* top frame: brand | title | counter+iconbtn — tighter */
  .frame {
    font-size: 0.58rem;
    padding:
      calc(0.65rem + var(--safe-top))
      calc(0.9rem + var(--safe-right))
      0.65rem
      calc(0.9rem + var(--safe-left));
    gap: 0.5rem;
    grid-template-columns: auto 1fr auto;
  }
  .frame__nowplaying {
    padding: 0.28rem 0.6rem;
    border-radius: 99px;
  }
  .frame__nowplaying-lbl { display: none; }
  .frame__nowplaying-title { font-size: 0.72rem; max-width: 35vw; overflow: hidden; text-overflow: ellipsis; }
  .brandline { gap: 0.3rem; }
  .brandline__parent { font-size: 0.58rem; letter-spacing: 0.22em; }
  .brandline__sep, .brandline .wordmark { display: none; }
  .frame__counter { font-size: 0.62rem; }
  .iconbtn { width: 32px; height: 32px; }

  /* bottom dot pill, with safe-area inset and bigger taps */
  .dotnav {
    top: auto;
    right: 50%;
    bottom: calc(0.9rem + var(--safe-bottom));
    transform: translateX(50%);
  }
  .dotnav ol {
    flex-direction: row;
    gap: 0.45rem;
    padding: 0.6rem 0.9rem;
    background: rgba(10, 9, 8, 0.78);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid var(--paper-faint);
    border-radius: 99px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  }
  /* dot button is bigger overall (tap zone) but visual indicator stays small */
  .dotnav button {
    width: 18px; height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .dotnav button::before {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--paper-mute);
  }
  .dotnav button[aria-current="true"]::before {
    width: 22px;
    border-radius: 4px;
  }
  .dotnav button .dotnav__label { display: none; }

  .scrollhint {
    font-size: 0.55rem;
    bottom: calc(4.5rem + var(--safe-bottom));
    padding: 0.45rem 0.7rem 0.3rem;
  }
  .keyhelp { display: none; }

  /* cover */
  .cover__grid { gap: 1.5rem; }
  .leader { width: clamp(160px, 50vw, 220px); }
  .cover__present { gap: 0.5rem; flex-wrap: wrap; }
  .cover__present-by { font-size: 0.65rem; padding-left: 0.5rem; }
  .cover__present-x { font-size: 0.85rem; }
  .cover__brand { font-size: clamp(2.6rem, 13vw, 4.2rem); letter-spacing: -0.04em; }
  .cover__tag { font-size: clamp(1.05rem, 4vw, 1.3rem); margin-bottom: 1rem; }
  .lede { font-size: 0.95rem; line-height: 1.5; }

  .stat-row { grid-template-columns: 1fr 1fr; gap: 0.8rem 1rem; }
  .stat__num { font-size: clamp(1.3rem, 5vw, 1.7rem); }
  .stat__lbl { font-size: 0.6rem; }

  .display--xxl { font-size: clamp(2.4rem, 11vw, 3.6rem); line-height: 0.95; }
  .display--xl { font-size: clamp(1.9rem, 8.5vw, 2.8rem); }
  .display--l { font-size: clamp(1.6rem, 7vw, 2.4rem); }

  /* thesis */
  .thesis__compare { grid-template-columns: 1fr; gap: 1rem; padding: 1.2rem 0; }
  .cell__arrow { display: none; }
  .cell__lbl { font-size: 0.6rem; }
  .cell__val { font-size: clamp(1.2rem, 5vw, 1.6rem); }

  /* why now */
  .why__warning { padding: 1rem 1.2rem; gap: 1rem; flex-direction: column; align-items: flex-start; }

  /* math */
  .math__board { gap: 1.2rem; padding-top: 1.5rem; }
  .math__big { font-size: clamp(2.5rem, 12vw, 4rem); }
  .math__col--margin { padding-top: 1.2rem; }
  .compare__row { grid-template-columns: 110px 1fr 50px; gap: 0.6rem; padding: 0.6rem 0; }
  .compare__name { font-size: 0.7rem; }
  .compare__val { font-size: 0.8rem; }

  /* cast */
  .cast__row { grid-template-columns: 1fr; gap: 0.3rem; padding: 1.1rem 0; }
  .cast__row:hover { padding: 1.1rem 0.4rem; }
  .cast__who { font-size: clamp(1.1rem, 4.5vw, 1.4rem); }
  .cast__amt { font-size: clamp(1rem, 4vw, 1.3rem); }
  .cast__note { text-align: left; font-size: 0.85rem; }

  /* moat */
  .moat__pillars { grid-template-columns: 1fr; gap: 1rem; }
  .moat__chart { padding: 1.2rem; }
  .growth__labels { gap: 0.5rem; }
  .growth__t { font-size: 0.6rem; }
  .growth__v { font-size: 1.05rem; }

  /* roadmap */
  .map__step { grid-template-columns: 1fr; gap: 0.3rem; padding: 1rem 0 1rem 0.8rem; }
  .map__when { font-size: 0.7rem; }
  .map__rev { font-size: clamp(1.1rem, 5vw, 1.5rem); }
  .map__what { font-size: 0.95rem; }

  /* trio */
  .trio { grid-template-columns: 1fr; gap: 1rem; }
  .trio__card { padding: 1.5rem; }
  .trio__name { font-size: 1.7rem; }
  .trio__role { font-size: 0.95rem; min-height: 0; }
  .trio__sum { padding: 1.1rem 1.3rem; font-size: 1rem; }

  /* ask */
  .ask__head { font-size: clamp(2.4rem, 11vw, 3.6rem); }
  .ask__sub { font-size: 0.75rem; margin-bottom: 1.5rem; }
  .ask__legend strong { font-size: 1.2rem; }
  .ask__legend em { font-size: 0.85rem; display: block; }
  .ask__legend li { padding-bottom: 0.8rem; }

  /* hidden */
  .hidden__grid { grid-template-columns: 1fr; gap: 0.9rem; }
  .hidden__card--wide { grid-column: span 1; }
  .hidden__card { padding: 1.2rem; }
  .hidden__amt { font-size: clamp(1.2rem, 5vw, 1.5rem); }
  .hidden__name { font-size: 1.05rem; }
  .hidden__txt { font-size: 0.88rem; }
  .hidden__num { font-size: 1.3rem; top: 0.8rem; right: 1rem; }

  /* vs — на мобильном показываем только заголовок и нашу колонку */
  .vs__row { grid-template-columns: 1.4fr 1fr; }
  .vs__row > div { padding: 0.85rem 0.9rem; font-size: 0.9rem; }
  .vs__row > div:nth-child(2),
  .vs__row > div:nth-child(3),
  .vs__row > div:nth-child(4) { display: none; }
  .vs__head > div { font-size: 1.05rem; }
  .vs__cell--win { font-size: 1.05rem; }
  .vs__lbl { font-size: 0.65rem; }
  .vs__cap { font-size: 1rem; margin-top: 1.5rem; }

  /* end */
  .end__deal { grid-template-columns: 1fr; gap: 0.3rem 2rem; }
  .end__deal-row strong { font-size: 1.3rem; }
  .end__sub { font-size: 0.95rem; }
  .end__totop { font-size: 0.62rem; padding: 0.45rem 0.85rem; }
  .end__sign { text-align: left; align-items: flex-start; }
  .end__credits { font-size: 0.85rem; gap: 1rem; padding-bottom: var(--safe-bottom); }

  /* overview grid */
  .overview {
    padding:
      calc(1.5rem + var(--safe-top))
      calc(1.5rem + var(--safe-right))
      calc(1.5rem + var(--safe-bottom))
      calc(1.5rem + var(--safe-left));
  }
  .overview__grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
  .overview__card-content { padding: 0.8rem; }
  .overview__card-title { font-size: 1rem; }
  .overview__card-num { font-size: 0.55rem; }

  /* disable parallax + sweep on touch (mobile) */
  .leader { transform: none !important; }
}

/* very small phones */
@media (max-width: 380px) {
  :root { --pad-x: 0.9rem; --pad-y: 1rem; }
  .display--xxl { font-size: clamp(2rem, 11vw, 2.8rem); }
  .cover__brand { font-size: clamp(2.2rem, 12vw, 3rem); }
  .frame__nowplaying-title { max-width: 30vw; }
  .stat-row { gap: 0.5rem; }
  .compare__row { grid-template-columns: 90px 1fr 45px; }
}

/* landscape phone — short height */
@media (max-height: 480px) and (orientation: landscape) {
  .reel { height: 100vh; height: 100dvh; }
  .slide { padding-top: calc(var(--pad-y) + 2rem + var(--safe-top)); padding-bottom: var(--pad-y); }
  .display--xxl { font-size: clamp(2rem, 6vh, 3.5rem); }
  .cover__brand { font-size: clamp(2rem, 7vh, 3.5rem); }
  .leader { width: clamp(120px, 18vh, 200px); }
  .stat-row { grid-template-columns: repeat(4, 1fr); }
  .scrollhint { display: none; }
  .dotnav { display: none; }
}

/* hover-only effects gated for touch devices */
@media (hover: none) {
  .cast__row:hover { padding: 1.1rem 0; background: transparent; }
  .trio__card:hover, .hidden__card:hover, .pillar:hover, .platform__card:hover { transform: none; }
  .map__step:hover { padding-left: 1rem; }
  .map__step:hover::before { background: var(--paper-mute); width: 6px; }
  .map__step--mid:hover::before { background: var(--coral); }
}

/* ─────────────────────────────────────────────────────────
   TIER SWITCH (DECK ↔ PRO)
   Available on every slide via top-left brandline.
   ───────────────────────────────────────────────────────── */
.tierswitch {
  display: inline-flex;
  margin-left: 0.7rem;
  border: 1px solid var(--paper-faint);
  border-radius: 999px;
  overflow: hidden;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  line-height: 1;
  vertical-align: middle;
}
.tierswitch__btn {
  padding: 0.32rem 0.6rem;
  color: var(--paper-mute);
  background: transparent;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.tierswitch__btn--active {
  background: var(--coral);
  color: var(--ink);
  font-weight: 600;
}
.tierswitch__btn--link:hover { background: rgba(255,255,255,0.08); color: var(--paper); }

/* ─────────────────────────────────────────────────────────
   PORTRAIT PHONE (≤700px) — comprehensive collapse to 1-col
   Audited 2026-04-28: all grid-template-columns rules in this
   stylesheet had no mobile fallback, causing slides to render
   with content shoved off-viewport. Single source of truth here.
   ───────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  /* === Frame top: compact one-line layout === */
  .frame {
    grid-template-columns: 1fr auto;
    column-gap: 0.5rem;
    padding: 0.55rem 0.7rem;
  }
  .frame__center { display: none; }
  .frame__left { font-size: 0.62rem; min-width: 0; max-width: 100%; }
  .brandline { gap: 0.35rem; flex-wrap: wrap; row-gap: 0.2rem; }
  .brandline__parent { font-size: 0.55rem; letter-spacing: 0.16em; }
  .brandline__sep { display: none; }
  .wordmark { font-size: 0.7rem; }
  .wordmark__sup { font-size: 0.55em; }
  .tierswitch { margin-left: 0; font-size: 0.55rem; flex-shrink: 0; }
  .tierswitch__btn { padding: 0.24rem 0.5rem; }
  .frame__right { gap: 0.5rem; }
  .frame__counter { font-size: 0.7rem; }

  /* === Slide base: more breathing room === */
  .slide { padding: calc(var(--pad-y) + 1.5rem + var(--safe-top)) 1.1rem var(--pad-y); }
  .display--xxl { font-size: clamp(2.2rem, 9vw, 3.8rem); }
  .display--l { font-size: clamp(1.8rem, 7vw, 3rem); }
  .eyebrow { font-size: 0.55rem; }

  /* === 02 THESIS — vertical compare === */
  .thesis__compare {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    margin-top: 2rem;
    padding: 1.5rem 0;
  }
  .cell__arrow { transform: rotate(90deg); font-size: 1.8rem; justify-self: center; }

  /* === 03 WHY NOW — was 3-col, broken on mobile === */
  .why__list {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
  }
  .why__list::before { display: none; }
  .why__item { padding-top: 0; padding-left: 1.5rem; }
  .why__item::before { top: 4px; left: 0; }
  .why__warning { padding: 1rem; gap: 0.8rem; }

  /* === 04 MATH === */
  .math__board { grid-template-columns: 1fr; gap: 1.4rem; }
  .math__col { padding: 1rem 0; }
  .math__big { font-size: 2.5rem; }

  /* === 05 CLIENTS — cast list compact === */
  .cast__row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1.1rem 0;
  }
  .cast__row:hover { padding: 1.1rem 0; background: transparent; }
  .cast__amt { font-size: clamp(1.4rem, 5vw, 2rem); }

  /* === 06 MOAT, 07 ROADMAP, 08 TEAM === */
  .trio, .pillars, .platform__cards, .map, .team__grid,
  .moat__grid, .hidden__grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  .map__step { padding: 0.9rem 0 0.9rem 1rem; }

  /* === 09 ASK / pricing-style multi-col === */
  .ask__grid, .pricing__cols, .end__split {
    grid-template-columns: 1fr !important;
    gap: 1.2rem !important;
  }

  /* === Stats / generic numeric grids that were repeat(4,1fr) === */
  .stat-row, .stats {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.8rem !important;
  }

  /* === Side dotnav: bottom horizontal pill instead of right vertical === */
  .dotnav {
    top: auto;
    right: auto;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
  }
  .dotnav ol {
    display: flex;
    flex-direction: row;
    gap: 0.55rem;
    padding: 0.5rem 0.8rem;
    background: rgba(0,0,0,0.55);
    border-radius: 999px;
    backdrop-filter: blur(8px);
  }

  /* === Scroll hint smaller === */
  .scrollhint { font-size: 0.55rem; bottom: 4rem; }

  /* === Overview grid 1-col on phones (was auto-fill 220px) === */
  .overview__grid { grid-template-columns: 1fr; gap: 0.6rem; }

  /* === Body text: prevent run-off === */
  .why__head, .math__lbl, .cast__who { font-size: clamp(1.1rem, 4.2vw, 1.6rem); }
  p, li { font-size: 0.95rem; }
}