/* ==========================================================
   Three options. One recommendation.
   Duel-branded: Aeonik on cream + ink. Cyan accent.
   ========================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  background: var(--surface-app);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

/* subtle grain on cream (Duel signature warmth) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    radial-gradient(rgba(16,16,16,0.025) 1px, transparent 1px),
    radial-gradient(rgba(16,16,16,0.018) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 1px;
  mix-blend-mode: multiply;
  opacity: 0.6;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }

/* ── Page chrome ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 16px; left: 16px; right: 16px;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 20px 0 24px;
  background: rgba(250, 246, 238, 0.78);
  backdrop-filter: saturate(1.5) blur(16px);
  -webkit-backdrop-filter: saturate(1.5) blur(16px);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-round);
  transition: background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.nav.scrolled {
  background: rgba(250, 246, 238, 0.94);
  box-shadow: var(--shadow-md);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: -0.005em;
}
.nav__brand img { height: 20px; }
.nav__brand .nav__sep { width: 1px; height: 18px; background: var(--stroke-20); margin: 0 2px; }
.nav__brand .nav__doc { color: var(--fg-3); font-weight: 400; }

.nav__chapters {
  margin-left: auto;
  display: flex;
  gap: 2px;
  align-items: center;
  font-size: 12.5px;
}
.nav__chapters a {
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--fg-3);
  transition: color 160ms, background 160ms;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.nav__chapters a:hover { color: var(--fg-1); background: rgba(16,16,16,0.05); }
.nav__chapters a.is-active {
  color: var(--duel-ink);
  background: var(--accent);
  font-weight: 500;
}

.nav__byline {
  margin-left: 18px;
  padding-left: 18px;
  border-left: 1px solid var(--stroke-10);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

@media (max-width: 980px) {
  .nav__chapters { display: none; }
  .nav { left: 12px; right: 12px; }
}

.progress-track {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  z-index: 99;
  pointer-events: none;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 80ms linear;
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ── Sections ────────────────────────────────────────────── */
section {
  position: relative;
  padding: 128px 32px;
  z-index: 2;
}
@media (max-width: 760px) {
  section { padding: 88px 20px; }
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}
.container.narrow { max-width: 820px; }
.container.wide   { max-width: 1320px; }

/* ── Eyebrow (Duel signature: pill-style label) ─────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 10px;
  border-radius: 999px;
  background: rgba(16,16,16,0.04);
  border: 1px solid var(--stroke-10);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.eyebrow::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.eyebrow.no-rule::before { display: none; padding-left: 14px; }
.eyebrow--cyan { background: var(--accent-soft); border-color: var(--accent-edge); color: var(--accent-strong); }
.eyebrow--ink  { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: var(--accent); }
.eyebrow--ink::before { background: var(--accent); }

/* ── Typography (Aeonik: Black for display, Light for hero subs) ─── */
h1.headline {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(56px, 9vw, 132px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--fg-1);
}
h2.headline {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(40px, 5.4vw, 84px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg-1);
  padding-bottom: 0.04em;
}
h3.headline {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(26px, 2.4vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.015em;
}
.lede {
  font-family: var(--font-sans);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.5;
  color: var(--fg-3);
  max-width: 60ch;
  font-weight: 400;
}

/* ── Reveal animations ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 720ms var(--ease-out), transform 720ms var(--ease-out);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 640ms var(--ease-out), transform 640ms var(--ease-out);
}
.reveal-stagger.in-view > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in-view > *:nth-child(1) { transition-delay: 40ms; }
.reveal-stagger.in-view > *:nth-child(2) { transition-delay: 120ms; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: 280ms; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: 360ms; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: 440ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > *, * { transition: none !important; animation: none !important; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
}

/* ══════════════════════════════════════════════════════════
   HERO: Duel signature: huge Aeonik Black, cyan halo,
   layered radial gradients on cream.
   ══════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  padding-top: 200px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(70% 60% at 12% 8%, var(--accent-glow), transparent 58%),
    radial-gradient(55% 50% at 96% 92%, var(--accent-2-soft), transparent 62%),
    radial-gradient(40% 30% at 78% 14%, rgba(86, 205, 237, 0.16), transparent 65%),
    var(--surface-app);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(16,16,16,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,16,16,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent 70%);
  pointer-events: none;
  opacity: 0.55;
}
.hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-edge), transparent);
}
.hero .container { width: 100%; }

.hero__eyebrow { margin-bottom: 40px; }

.hero__title {
  display: grid;
  gap: 0;
}
.hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
}
.hero__title .line > span {
  display: block;
  animation: rise 1100ms var(--ease-out) both;
}
.hero__title .line:nth-child(2) > span {
  animation-delay: 140ms;
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.035em;
  font-size: 0.82em;
  white-space: nowrap;
  background: linear-gradient(95deg, var(--accent-strong) 0%, var(--accent) 35%, var(--duel-lilac) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 560px) {
  .hero__title .line:nth-child(2) > span {
    font-size: 0.7em;
  }
}
@keyframes rise {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__title .line > span { animation: none; transform: none; }
}

.hero__lede {
  margin-top: 44px;
  max-width: 680px;
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.42;
  color: var(--fg-2);
  font-weight: 400;
  opacity: 0;
  animation: fade-in 800ms var(--ease-out) 400ms forwards;
}
@keyframes fade-in { to { opacity: 1; } }

.hero__meta {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 240px));
  gap: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--stroke-10);
  opacity: 0;
  animation: fade-in 800ms var(--ease-out) 900ms forwards;
}
.hero__meta-item .label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 10px;
  font-weight: 500;
}
.hero__meta-item .value {
  font-size: 15px;
  color: var(--fg-1);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
@media (max-width: 760px) {
  .hero__meta { grid-template-columns: 1fr 1fr; gap: 24px; }
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-4);
  text-transform: uppercase;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  opacity: 0;
  animation: fade-in 800ms var(--ease-out) 1200ms forwards;
}
.hero__scroll::after {
  content: '';
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--fg-4), transparent);
  animation: scroll-pulse 2.2s var(--ease-in-out) infinite;
}
@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.4); transform-origin: top; }
}

/* ══════════════════════════════════════════════════════════
   LETTER (Blake's note): paper card on cream
   ══════════════════════════════════════════════════════════ */
.letter {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 88px 88px 72px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--stroke-10);
  position: relative;
}
.letter::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 3px 3px;
}
.letter p {
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg-2);
  margin-bottom: 22px;
  max-width: 64ch;
}
.letter p:first-of-type {
  font-size: 22px;
  color: var(--fg-1);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.005em;
}
.letter__sign {
  margin-top: 56px;
  font-size: 14px;
  color: var(--fg-3);
  border-top: 1px solid var(--stroke-10);
  padding-top: 32px;
  letter-spacing: -0.005em;
}
.letter__sign strong { color: var(--fg-1); font-weight: 500; }
@media (max-width: 760px) {
  .letter { padding: 56px 28px 40px; }
}

/* ══════════════════════════════════════════════════════════
   HONEST: 6 cuts grid
   ══════════════════════════════════════════════════════════ */
.cuts-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cut {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  position: relative;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
  overflow: hidden;
}
.cut::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform 360ms var(--ease-out);
}
.cut:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan-sm);
  border-color: var(--accent-edge);
}
.cut:hover::before { transform: scaleX(1); }
.cut__no {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.cut__no .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--duel-ink);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  font-family: var(--font-mono);
}
.cut h4 {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  color: var(--fg-1);
}
.cut p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-3);
}
@media (max-width: 880px) { .cuts-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cuts-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   QUOTE: Duel signature ink section with cyan glow
   ══════════════════════════════════════════════════════════ */
.quote {
  background: var(--duel-ink);
  color: var(--duel-content-on-dark);
  padding: 168px 32px;
  position: relative;
  overflow: hidden;
}
.quote::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(40% 50% at 82% 30%, rgba(86, 205, 237, 0.18), transparent 60%),
    radial-gradient(40% 60% at 8% 80%, rgba(223, 158, 255, 0.14), transparent 60%),
    radial-gradient(80% 50% at 50% 0%, rgba(86, 205, 237, 0.08), transparent 70%);
  pointer-events: none;
}
.quote::after {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.quote .container {
  position: relative;
  max-width: 980px;
}
.quote__mark {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 140px;
  line-height: 0.8;
  color: var(--duel-cyan);
  margin-bottom: 8px;
  display: block;
}
.quote__text {
  font-family: var(--font-sans);
  font-size: clamp(40px, 5vw, 76px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 16px 0 28px;
  text-wrap: balance;
}
.quote__sub {
  font-size: clamp(18px, 1.5vw, 22px);
  color: rgba(255, 255, 255, 0.62);
  max-width: 56ch;
  line-height: 1.45;
  margin-bottom: 56px;
}
.quote__attr {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

/* ══════════════════════════════════════════════════════════
   TARGETS: 3 tiers (Remarkable / Expected / Disappointing)
   ══════════════════════════════════════════════════════════ */
.targets {
  margin-top: 80px;
  display: grid;
  gap: 14px;
}
.tier {
  border-radius: var(--radius-lg);
  padding: 44px 52px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: center;
  transition: transform 360ms var(--ease-out);
  position: relative;
}
.tier__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.tier__title {
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.02em;
}
.tier__desc {
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg-2);
  max-width: 56ch;
}
.tier--remarkable {
  background: linear-gradient(135deg, #56CDED 0%, #A6F1FD 45%, #DF9EFF 100%);
  color: var(--duel-ink);
  box-shadow: var(--shadow-cyan-sm);
}
.tier--remarkable .tier__label { color: rgba(16,16,16,0.7); }
.tier--remarkable .tier__desc  { color: rgba(16,16,16,0.78); }
.tier--expected {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.tier--expected::before {
  content: '';
  position: absolute;
  left: 0; top: 28px; bottom: 28px;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}
.tier--expected .tier__label { color: var(--accent-strong); }
.tier--disappointing {
  background: rgba(238, 55, 46, 0.06);
  border: 1px solid rgba(238, 55, 46, 0.18);
}
.tier--disappointing .tier__label { color: var(--duel-red); }

.tier__bridge {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 48px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-4);
  gap: 18px;
  font-weight: 500;
}
.tier__bridge::before, .tier__bridge::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--stroke-10);
}
@media (max-width: 760px) {
  .tier { grid-template-columns: 1fr; gap: 18px; padding: 32px; }
}

/* ══════════════════════════════════════════════════════════
   PILLARS
   ══════════════════════════════════════════════════════════ */
.pillars { margin-top: 80px; position: relative; }
.pillar-block {
  border-top: 1px solid var(--stroke-10);
  position: relative;
}
.pillar-block:last-child { border-bottom: 1px solid var(--stroke-10); }
.pillar-row {
  display: grid;
  grid-template-columns: 120px 240px 1fr 220px;
  gap: 48px;
  padding: 48px 0;
  align-items: center;
  position: relative;
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-out);
  outline: none;
}
.pillar-row:hover { background-color: rgba(16,16,16,0.018); }
.pillar-row:focus-visible {
  background-color: rgba(86, 205, 237, 0.06);
  box-shadow: inset 3px 0 0 var(--accent);
}
.pillar-row__num {
  font-family: var(--font-sans);
  font-size: clamp(108px, 11vw, 180px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--fg-1);
  font-variant-numeric: lining-nums;
  padding: 0.02em 0.08em 0.1em 0;
}
.pillar-row:nth-child(1) .pillar-row__num {
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pillar-row:nth-child(2) .pillar-row__num {
  background: linear-gradient(135deg, var(--duel-ink) 0%, var(--accent-strong) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pillar-row:nth-child(3) .pillar-row__num {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pillar-row::after {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 800ms var(--ease-out);
}
.in-view .pillar-row::after { width: 80px; }
.pillar-row__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 10px;
  font-weight: 500;
}
.pillar-row__title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--fg-1);
}
.pillar-row__desc {
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--fg-3);
  max-width: 56ch;
}
.pillar-row__meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}
.pillar-row__date {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-2);
  letter-spacing: -0.005em;
  text-align: right;
  padding: 8px 14px;
  border: 1px solid var(--stroke-10);
  border-radius: 999px;
  display: inline-block;
  background: rgba(255,255,255,0.5);
  white-space: nowrap;
}
.pillar-row__chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--stroke-10);
  background: rgba(255,255,255,0.5);
  color: var(--fg-3);
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base), color var(--dur-base), border-color var(--dur-base);
}
.pillar-row:hover .pillar-row__chevron {
  background: var(--accent);
  color: var(--duel-ink);
  border-color: var(--accent);
}
.pillar-block.is-open .pillar-row__chevron {
  transform: rotate(180deg);
  background: var(--accent);
  color: var(--duel-ink);
  border-color: var(--accent);
}

/* Expanding details panel: CSS Grid 0fr → 1fr trick for smooth auto-height */
.pillar-details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 480ms var(--ease-out);
}
.pillar-details__inner {
  overflow: hidden;
}
.pillar-block.is-open .pillar-details {
  grid-template-rows: 1fr;
}
.pillar-details__cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding: 8px 0 56px 168px;
  border-top: 1px dashed var(--stroke-10);
  padding-top: 40px;
}
.pillar-details__col h5 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--stroke-10);
}
.pillar-details__col p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg-2);
}
.pillar-details__col ul {
  display: grid;
  gap: 10px;
}
.pillar-details__col ul li {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-2);
  padding-left: 18px;
  position: relative;
}
.pillar-details__col ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

@media (max-width: 980px) {
  .pillar-row { grid-template-columns: 80px 1fr 50px; gap: 20px; }
  .pillar-row__num { font-size: 80px; }
  .pillar-row__meta { grid-column: 2 / 3; justify-content: flex-start; flex-wrap: wrap; }
  .pillar-row__chevron { grid-column: 3; align-self: center; }
  .pillar-details__cols { grid-template-columns: 1fr; gap: 32px; padding: 32px 0 48px 0; }
}

/* ══════════════════════════════════════════════════════════
   PROCESS (4 steps)
   ══════════════════════════════════════════════════════════ */
.process {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.step {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 36px 30px 28px;
  position: relative;
  cursor: pointer;
  transition: border-color var(--dur-base), box-shadow var(--dur-base), transform var(--dur-base);
  outline: none;
  display: flex;
  flex-direction: column;
}
.step::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 40px; height: 3px;
  background: var(--accent);
  border-radius: 0 0 3px 0;
}
.step:hover { border-color: var(--accent-edge); box-shadow: var(--shadow-cyan-sm); transform: translateY(-2px); }
.step:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.step__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
  display: block;
  margin-bottom: 32px;
}
.step h4 {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.012em;
  color: var(--fg-1);
}
.step p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-3);
}
.step__more {
  /* Pushed to the bottom of the step card so all four affordances line up
     regardless of description length above. */
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  align-self: flex-start;
}
.step__chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base);
}
.step.is-open .step__chevron {
  transform: rotate(45deg);
  background: var(--accent);
  color: var(--duel-ink);
  border-color: var(--accent);
}
.step__details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 420ms var(--ease-out);
}
.step__details-inner {
  overflow: hidden;
}
.step.is-open .step__details { grid-template-rows: 1fr; }
.step__details-inner > * { margin-top: 22px; }
.step__details-inner ul {
  display: grid;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px dashed var(--stroke-10);
}
.step__details-inner ul li {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-2);
  padding-left: 18px;
  position: relative;
}
.step__details-inner ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.step__details-inner ul li strong { color: var(--fg-1); font-weight: 500; }
.step__details-inner p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--fg-2);
}
@media (max-width: 980px) { .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   OPTIONS at a glance (3 hero cards)
   ══════════════════════════════════════════════════════════ */
.options-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.opt-card {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.opt-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-cyan-sm);
  border-color: var(--accent-edge);
}
.opt-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.opt-card__no {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
}
.opt-card__no .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--duel-ink);
  text-align: center;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0;
}
.opt-card:nth-child(2) .opt-card__no .num { background: var(--duel-ink); color: var(--accent); }
.opt-card:nth-child(3) .opt-card__no .num { background: var(--duel-lilac); color: var(--duel-ink); }
.opt-card__title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--fg-1);
}
.opt-card__desc {
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg-3);
  flex: 1;
}
.opt-card__rows {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--stroke-10);
  padding-top: 22px;
}
.opt-card__row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  font-size: 13px;
  line-height: 1.4;
}
.opt-card__row .k {
  color: var(--fg-4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 10.5px;
  padding-top: 2px;
  font-weight: 500;
}
.opt-card__row .v {
  color: var(--fg-1);
  font-weight: 500;
  letter-spacing: -0.005em;
}
@media (max-width: 980px) { .options-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   DEEP DIVES: accented per option
   ══════════════════════════════════════════════════════════ */
.deep {
  background: var(--surface-app);
  padding: 144px 32px;
  border-top: 1px solid var(--stroke-10);
  position: relative;
}
.deep--opt2 { background: var(--surface-inset); }
.deep--opt3 {
  background: linear-gradient(180deg, var(--surface-app) 0%, var(--surface-inset) 100%);
}
.deep__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  margin-bottom: 96px;
  align-items: start;
}
.deep__num {
  font-family: var(--font-sans);
  font-size: clamp(160px, 18vw, 280px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  padding: 0.02em 0.08em 0.1em 0;
}
.deep--opt1 .deep__num {
  background: linear-gradient(140deg, var(--duel-ink) 0%, var(--accent-strong) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.deep--opt2 .deep__num {
  background: linear-gradient(140deg, var(--accent) 0%, var(--duel-ink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.deep--opt3 .deep__num {
  background: linear-gradient(135deg, var(--duel-cyan), var(--duel-lilac));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.deep__title {
  font-family: var(--font-sans);
  font-size: clamp(38px, 4.4vw, 66px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.028em;
  margin: 24px 0 22px;
  color: var(--fg-1);
  padding-bottom: 0.04em;
}
.deep__sub {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.45;
  color: var(--fg-3);
  max-width: 56ch;
  margin-bottom: 36px;
  font-weight: 400;
}
.deep__bet {
  background: var(--surface-card);
  border: 1px solid var(--accent-edge);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 70ch;
  box-shadow: 0 8px 24px -12px var(--accent-glow);
}
.deep__bet .lbl {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 12px;
  font-weight: 500;
}
.deep--opt3 .deep__bet { border-left-color: var(--duel-lilac); }
.deep--opt3 .deep__bet .lbl { color: var(--duel-lilac); }
@media (max-width: 880px) {
  .deep__head { grid-template-columns: 1fr; gap: 24px; }
}

/* ══════════════════════════════════════════════════════════
   PROCESS PROSE: multi-paragraph intro under a headline
   ══════════════════════════════════════════════════════════ */
.process-prose {
  margin-top: 28px;
  max-width: 64ch;
}
.process-prose .lede {
  margin-bottom: 22px;
}
.process-prose p:not(.lede) {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-2);
  margin-top: 20px;
  font-weight: 400;
}
.process-prose p:last-child {
  font-weight: 500;
  color: var(--fg-1);
}

/* ══════════════════════════════════════════════════════════
   SCOPE STRIP: time / effort / difficulty per option
   ══════════════════════════════════════════════════════════ */
.scope {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.scope-item {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-md);
  padding: 26px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base);
}
.scope-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.scope-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-cyan-sm);
}
.scope-item__lbl {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 12px;
  font-weight: 500;
}
.scope-item__val {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.018em;
  color: var(--fg-1);
  line-height: 1.1;
  margin-bottom: 8px;
}
.scope-item__sub {
  font-size: 12.5px;
  color: var(--fg-3);
  letter-spacing: -0.005em;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* difficulty dots */
.dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--stroke-20);
  display: inline-block;
}
.dots span.on { background: var(--accent); }

/* Section divider: visual break between value and "how it works" */
.section-divider {
  margin-top: 112px;
  padding-top: 56px;
  border-top: 1px solid var(--stroke-10);
}

@media (max-width: 880px) {
  .scope { grid-template-columns: 1fr; }
}

/* ── ARCH OPTION 1: 7 modules + 6-primitive foundation ─── */
.arch1 {
  margin-top: 96px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.arch1__hint {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  margin-bottom: 4px;
}
.arch1__modules {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}
.arch-mod {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-md);
  padding: 26px 14px;
  text-align: center;
  position: relative;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base), box-shadow var(--dur-base);
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  width: 100%;
  outline: none;
}
.arch-mod:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-cyan-sm);
}
.arch-mod.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}
.arch-mod.is-active .arch-mod__icon {
  background: var(--accent);
  color: var(--duel-ink);
}
.arch-mod:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Module detail panel: accordion below the modules grid */
.arch1__mod-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 420ms var(--ease-out);
}
.arch1__mod-detail-inner { overflow: hidden; }
.arch1.has-active .arch1__mod-detail { grid-template-rows: 1fr; }
.arch1__mod-content {
  display: none;
  background: var(--duel-ink);
  color: var(--duel-content-on-dark);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-top: 12px;
  position: relative;
  overflow: hidden;
}
.arch1__mod-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(40% 80% at 0% 100%, var(--accent-glow), transparent 65%),
    radial-gradient(40% 80% at 100% 0%, rgba(223,158,255,0.10), transparent 65%);
  pointer-events: none;
}
.arch1__mod-content.is-visible { display: block; }
.arch1__mod-content-head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.arch1__mod-content-head h4 {
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.022em;
  color: var(--duel-content-on-dark);
  margin: 0;
}
.arch1__mod-content-tag {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.arch1__mod-content-cols {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}
.arch1__mod-content-cols h5 {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 500;
}
.arch1__mod-content-cols p {
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(255,255,255,0.85);
}
@media (max-width: 880px) {
  .arch1__mod-content-cols { grid-template-columns: 1fr; }
  .arch1__mod-content { padding: 28px 24px; }
}
.arch-mod__icon {
  width: 44px; height: 44px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid var(--accent-edge);
  transition: background var(--dur-base), color var(--dur-base);
}
.arch-mod:hover .arch-mod__icon {
  background: var(--accent);
  color: var(--duel-ink);
}
.arch-mod__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  color: var(--fg-1);
}
.arch-mod__desc {
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--fg-3);
}
.arch1__foundation {
  background: var(--duel-ink);
  color: var(--duel-content-on-dark);
  border-radius: var(--radius-lg);
  padding: 44px 44px;
  position: relative;
  overflow: hidden;
}
.arch1__foundation::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 120% at 50% 100%, var(--accent-glow), transparent 70%),
    radial-gradient(30% 60% at 8% 50%, rgba(86, 205, 237, 0.18), transparent 70%),
    radial-gradient(30% 60% at 92% 50%, rgba(223, 158, 255, 0.10), transparent 70%);
  pointer-events: none;
}
.arch1__foundation::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.arch1__foundation-head {
  position: relative;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.arch1__foundation-head::before {
  content: '';
  width: 28px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.arch1__foundation-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 32px;
}
.arch1__foundation-item {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--duel-content-on-dark);
}
.arch1__foundation-item small {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255, 0.5);
  font-weight: 400;
  line-height: 1.4;
}
@media (max-width: 1180px) {
  .arch1__modules { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 880px) {
  .arch1__modules { grid-template-columns: repeat(3, 1fr); }
  .arch1__foundation-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .arch1__modules { grid-template-columns: 1fr 1fr; }
  .arch1__foundation { padding: 32px 24px; }
  .arch1__foundation-grid { grid-template-columns: 1fr; }
}

/* ── DELIVERS + IMPACT ──────────────────────────────────── */
.delivers {
  margin-top: 104px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
}
.delivers__col h4 {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--stroke-10);
  font-weight: 500;
}
.value-list { display: grid; gap: 28px; }
.value-item {
  position: relative;
  padding-left: 16px;
  border-left: 3px solid var(--stroke-10);
}
.value-item--customer { border-left-color: var(--accent); }
.value-item--advocate { border-left-color: var(--duel-lilac); }
.value-item--duel { border-left-color: var(--duel-ink); }
.value-item__aud {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 8px;
}
.value-item--customer .value-item__aud { color: var(--accent-strong); }
.value-item--advocate .value-item__aud { color: #9648c5; }
.value-item--duel .value-item__aud { color: var(--fg-2); }
.value-item h5 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.018em;
  margin-bottom: 8px;
  color: var(--fg-1);
}
.value-item p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-3);
}
.impact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.impact-cell {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.impact-cell::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 480ms var(--ease-out);
}
.impact-cell:hover::before { transform: scaleX(1); }
.impact-cell .big {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(44px, 4.5vw, 64px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--fg-1);
  margin-bottom: 14px;
  padding-bottom: 0.04em;
}
.impact-cell .lbl {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 10px;
  font-weight: 500;
}
.impact-cell p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-3);
}
@media (max-width: 880px) { .delivers { grid-template-columns: 1fr; gap: 48px; } }

/* ── OPPORTUNITIES / RISKS ──────────────────────────────── */
.oppris {
  margin-top: 104px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.or-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
}
.or-card h4 {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.or-card h4::before {
  content: '';
  width: 24px; height: 2px;
  border-radius: 2px;
}
.or-card--opp h4 { color: #4A7A0F; }
.or-card--opp h4::before { background: var(--duel-green); }
.or-card--risk h4 { color: #B47000; }
.or-card--risk h4::before { background: var(--duel-orange); }
.or-card ul li {
  font-size: 14.5px;
  line-height: 1.55;
  padding: 16px 0 16px 30px;
  position: relative;
  color: var(--fg-2);
  border-top: 1px solid var(--stroke-10);
}
.or-card ul li:first-child { border-top: 0; padding-top: 4px; }
.or-card--opp ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(180,237,62,0.25);
  border: 1.5px solid var(--duel-green);
}
.or-card--opp ul li::after {
  content: '';
  position: absolute;
  left: 5px; top: 27px;
  width: 6px; height: 3px;
  border-left: 1.5px solid #4A7A0F;
  border-bottom: 1.5px solid #4A7A0F;
  transform: rotate(-45deg);
}
.or-card--opp ul li:first-child::before { top: 10px; }
.or-card--opp ul li:first-child::after  { top: 15px; }
.or-card--risk ul li::before {
  content: '!';
  position: absolute;
  left: 0; top: 14px;
  color: #B47000;
  font-weight: 900;
  width: 16px; height: 16px;
  text-align: center;
  font-size: 14px;
  background: rgba(236,164,54,0.18);
  border-radius: 50%;
  line-height: 16px;
}
.or-card--risk ul li:first-child::before { top: 2px; }
@media (max-width: 880px) { .oppris { grid-template-columns: 1fr; } }

/* ── 2030 + pull quote ──────────────────────────────────── */
.future {
  margin-top: 88px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.future__quote {
  background: var(--duel-ink);
  color: var(--duel-content-on-dark);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  font-family: var(--font-sans);
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.future__quote::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 80% at 0% 100%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.future__quote::before {
  content: '"';
  position: absolute;
  top: 14px; left: 36px;
  font-size: 72px;
  color: var(--accent);
  line-height: 1;
  font-weight: 900;
}
.future__quote span {
  padding-top: 36px;
  text-wrap: balance;
  position: relative;
  z-index: 1;
}
.future__day {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.future__day::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.future__day .lbl {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 22px;
  font-weight: 500;
}
.future__day h4 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.018em;
  margin-bottom: 18px;
  text-wrap: balance;
  color: var(--fg-1);
}
.future__day p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-3);
}
@media (max-width: 880px) { .future { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   ARCHITECTURE: Option 2 (CRM vs ARM)
   ══════════════════════════════════════════════════════════ */
.crm-arm {
  margin-top: 96px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
}
.crm-arm__card {
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  border: 1px solid var(--stroke-10);
}
.crm-arm__card.old {
  background: var(--surface-card);
  color: var(--fg-3);
  position: relative;
}
.crm-arm__card.new {
  background: var(--duel-ink);
  color: var(--duel-content-on-dark);
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-cyan-sm);
}
.crm-arm__card.new::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 100% at 50% 0%, var(--accent-glow), transparent 60%),
    radial-gradient(40% 70% at 90% 90%, rgba(86, 205, 237, 0.20), transparent 60%);
  pointer-events: none;
}
.crm-arm__card.new::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.crm-arm__era {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  font-weight: 500;
}
.crm-arm__card.old .crm-arm__era { color: var(--fg-4); }
.crm-arm__card.new .crm-arm__era { color: var(--accent); }
.crm-arm__name {
  font-family: var(--font-sans);
  font-size: clamp(64px, 7vw, 104px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin-bottom: 36px;
  position: relative;
  padding-bottom: 0.04em;
}
.crm-arm__card.new .crm-arm__name {
  background: linear-gradient(95deg, #FFFFFF 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.crm-arm__list {
  display: grid;
  gap: 14px;
  position: relative;
}
.crm-arm__row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  font-size: 14px;
  line-height: 1.4;
  padding: 10px 0;
  border-top: 1px solid currentColor;
  border-image: linear-gradient(90deg, currentColor 0%, transparent 100%) 1;
  border-top-width: 1px;
  border-top-style: solid;
}
.crm-arm__card.old .crm-arm__row { border-color: var(--stroke-10); }
.crm-arm__card.new .crm-arm__row { border-color: rgba(255,255,255,0.08); }
.crm-arm__row:first-child { border-top: 0; padding-top: 0; }
.crm-arm__row .k {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.6;
  padding-top: 3px;
  font-weight: 500;
}
.crm-arm__row .v {
  font-weight: 500;
  letter-spacing: -0.005em;
}
.crm-arm__card.new .crm-arm__row .v { color: var(--duel-content-on-dark); }
.crm-arm__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  font-size: 32px;
  color: var(--accent-strong);
  position: relative;
}
.crm-arm__arrow::before {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  z-index: 0;
}
.crm-arm__arrow > * { position: relative; z-index: 1; }
@media (max-width: 880px) {
  .crm-arm { grid-template-columns: 1fr; }
  .crm-arm__arrow { width: 100%; transform: rotate(90deg); padding: 12px 0; }
}

/* ══════════════════════════════════════════════════════════
   LAYERS: Option 3 (three stacked layers)
   ══════════════════════════════════════════════════════════ */
.layers {
  margin-top: 96px;
  display: grid;
  gap: 14px;
}
.layer {
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  display: grid;
  grid-template-columns: 220px 1fr 240px;
  gap: 44px;
  align-items: center;
  position: relative;
  border: 1px solid var(--stroke-10);
}
.layer--top {
  background: linear-gradient(120deg, var(--duel-lilac), var(--duel-lilac-soft));
  color: var(--duel-ink);
  border: none;
}
.layer--mid {
  background: var(--duel-ink);
  color: var(--duel-content-on-dark);
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.layer--mid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 120% at 0% 50%, var(--accent-glow), transparent 60%);
  pointer-events: none;
}
.layer--mid > * { position: relative; }
.layer--bot {
  background: linear-gradient(120deg, var(--duel-cyan), #A6F1FD);
  color: var(--duel-ink);
  border: none;
}
.layer__pos {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
  font-weight: 500;
  margin-bottom: 8px;
}
.layer__name {
  font-family: var(--font-sans);
  font-size: clamp(32px, 3.4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.layer__desc {
  font-size: 16px;
  line-height: 1.5;
  opacity: 0.86;
  max-width: 50ch;
}
.layer__motion {
  text-align: right;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.layer__motion small {
  display: block;
  opacity: 0.7;
  font-size: 12px;
  font-weight: 400;
  margin-top: 6px;
}
@media (max-width: 880px) {
  .layer { grid-template-columns: 1fr; gap: 16px; }
  .layer__motion { text-align: left; }
}

/* ══════════════════════════════════════════════════════════
   COMPARISON TABLE
   ══════════════════════════════════════════════════════════ */
.compare {
  margin-top: 72px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.compare__row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr 1fr;
  border-top: 1px solid var(--stroke-10);
}
.compare__row:first-child { border-top: 0; }
.compare__row > * {
  padding: 24px 28px;
  font-size: 14px;
  line-height: 1.5;
}
.compare__head > div {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.005em;
  background: var(--surface-inset);
  border-left: 1px solid var(--stroke-10);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--fg-1);
}
.compare__head > div:first-child { background: transparent; border-left: 0; }
.compare__head .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 8px;
  font-weight: 700;
  background: var(--accent);
  color: var(--duel-ink);
  font-size: 12px;
  font-family: var(--font-mono);
}
.compare__head .badge.cyan  { background: var(--duel-ink); color: var(--accent); }
.compare__head .badge.lilac { background: var(--duel-lilac); color: var(--duel-ink); }
.compare__row .k {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  background: var(--surface-inset);
  font-weight: 500;
  display: flex;
  align-items: center;
}
.compare__row .v {
  color: var(--fg-2);
  border-left: 1px solid var(--stroke-10);
}
@media (max-width: 980px) {
  .compare__row { grid-template-columns: 1fr; }
  .compare__row > * { border-left: 0; }
}

/* ══════════════════════════════════════════════════════════
   RECOMMENDATION: Duel signature dark with cyan halo
   ══════════════════════════════════════════════════════════ */
.recommendation {
  background:
    radial-gradient(70% 70% at 50% 0%, var(--accent-glow), transparent 60%),
    radial-gradient(50% 50% at 10% 90%, rgba(86, 205, 237, 0.20), transparent 60%),
    radial-gradient(50% 50% at 90% 90%, rgba(223, 158, 255, 0.16), transparent 60%),
    var(--duel-ink);
  color: var(--duel-content-on-dark);
  padding: 168px 32px;
  position: relative;
  overflow: hidden;
}
.recommendation::before, .recommendation::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.recommendation::before { top: 0; }
.recommendation::after  { bottom: 0; }

.recommendation .eyebrow {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.18);
  color: var(--accent);
}
.recommendation .eyebrow::before { background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.recommendation h2.headline {
  color: var(--duel-content-on-dark);
  margin-top: 16px;
}
.recommendation h2.headline span.italic {
  font-weight: 300;
  font-style: italic;
  background: linear-gradient(95deg, var(--accent) 0%, var(--duel-lilac) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.recommendation .lede { color: rgba(255,255,255, 0.7); margin-top: 24px; max-width: 64ch; }

.equation {
  margin-top: 96px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
}
.eq-card {
  background: rgba(255,255,255, 0.05);
  border: 1px solid rgba(255,255,255, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  backdrop-filter: blur(8px);
}
.eq-card .lbl {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255, 0.5);
  margin-bottom: 16px;
  font-weight: 500;
}
.eq-card .name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 18px;
  font-weight: 500;
}
.eq-card h4 {
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.022em;
  margin-bottom: 20px;
  color: var(--duel-content-on-dark);
}
.eq-card p {
  font-size: 14.5px;
  line-height: 1.5;
  color: rgba(255,255,255, 0.7);
}
.eq-card--result {
  background: linear-gradient(135deg, var(--accent-glow), rgba(223, 158, 255, 0.18));
  border-color: var(--accent);
  box-shadow: 0 16px 48px -20px var(--accent-glow), inset 0 1px 0 rgba(255,255,255, 0.12);
}
.eq-card--result .name { color: var(--accent); }
.eq-card--result h4 {
  background: linear-gradient(95deg, #FFFFFF 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.eq-op {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 44px;
  font-weight: 300;
  color: rgba(255,255,255, 0.38);
}
@media (max-width: 980px) {
  .equation { grid-template-columns: 1fr; }
  .eq-op { padding: 8px 0; }
}

/* ══════════════════════════════════════════════════════════
   TRIGGERS
   ══════════════════════════════════════════════════════════ */
.triggers {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.trigger {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-left: 3px solid var(--duel-orange);
  border-radius: var(--radius-md);
  padding: 36px 32px;
}
.trigger__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--duel-orange);
  margin-bottom: 22px;
  font-weight: 500;
}
.trigger h4 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  color: var(--fg-1);
}
.trigger p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-3);
}
.triggers.triggers--single {
  grid-template-columns: minmax(0, 720px);
  justify-content: start;
}
@media (max-width: 880px) { .triggers { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   SHARED: channel-agnostic principle (common to all three)
   ══════════════════════════════════════════════════════════ */
.shared-grid {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.shared-cell {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.shared-cell::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform 360ms var(--ease-out);
}
.shared-cell:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan-sm);
  border-color: var(--accent-edge);
}
.shared-cell:hover::before { transform: scaleX(1); }
.shared-cell__lbl {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 22px;
}
.shared-cell h4 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.018em;
  margin-bottom: 14px;
  color: var(--fg-1);
}
.shared-cell p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-3);
}
@media (max-width: 880px) { .shared-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   NEXT (Session 5)
   ══════════════════════════════════════════════════════════ */
.session {
  margin-top: 80px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.session::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.session::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(40% 70% at 0% 50%, var(--accent-soft), transparent 60%);
  pointer-events: none;
}
.session > * { position: relative; z-index: 1; }
.session__lbl {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.session__lbl::before {
  content: '';
  width: 28px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.session__title {
  font-family: var(--font-sans);
  font-size: clamp(40px, 4.4vw, 64px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: var(--fg-1);
  padding-bottom: 0.05em;
}
.session__desc {
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg-3);
}
.session__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.meta-item .lbl {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 8px;
  font-weight: 500;
}
.meta-item .val {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
@media (max-width: 880px) {
  .session { grid-template-columns: 1fr; padding: 48px 32px; gap: 40px; }
}

/* ══════════════════════════════════════════════════════════
   PREP (Paul / Joe)
   ══════════════════════════════════════════════════════════ */
.prep {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.prep-card {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
}
.prep-card__head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--stroke-10);
}
.prep-card__head .avatar {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--duel-ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 22px;
  font-family: var(--font-sans);
}
.prep-card:nth-child(2) .prep-card__head .avatar {
  background: var(--duel-ink);
  color: var(--accent);
}
.prep-card__head h3 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1;
  color: var(--fg-1);
}
.prep-card__head .role {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-top: 6px;
  font-weight: 500;
}
.prep-card ul li {
  font-size: 15px;
  line-height: 1.45;
  padding: 16px 0 16px 30px;
  position: relative;
  color: var(--fg-2);
  border-top: 1px solid var(--stroke-10);
}
.prep-card ul li:first-child { border-top: 0; padding-top: 4px; }
.prep-card ul li::before {
  content: '';
  position: absolute;
  left: 6px; top: 24px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.prep-card ul li:first-child::before { top: 12px; }
@media (max-width: 880px) { .prep { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   OUTCOMES
   ══════════════════════════════════════════════════════════ */
.outcomes {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.outcome {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
}
.outcome__letter {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--duel-ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-cyan-sm);
  font-family: var(--font-sans);
}
.outcome:nth-child(2) .outcome__letter {
  background: var(--duel-ink);
  color: var(--accent);
  box-shadow: none;
}
.outcome:nth-child(3) .outcome__letter {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid var(--accent-edge);
  box-shadow: none;
}
.outcome h4 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.1;
  margin-bottom: 14px;
  color: var(--fg-1);
}
.outcome p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-3);
}
@media (max-width: 880px) { .outcomes { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   SUB SESSIONS
   ══════════════════════════════════════════════════════════ */
.sessions {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.sub-session {
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
}
.sub-session::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--accent);
  border-radius: 0 0 3px 0;
}
.sub-session__no {
  font-family: var(--font-sans);
  font-size: 56px;
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-bottom: 0.05em;
}
.sub-session__when {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  margin-top: -6px;
}
.sub-session h4 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--fg-1);
}
.sub-session p {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg-3);
}
@media (max-width: 880px) { .sessions { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════════════════════════
   CLOSING
   ══════════════════════════════════════════════════════════ */
.close {
  padding: 200px 32px;
  background:
    radial-gradient(60% 60% at 50% 50%, var(--accent-glow), transparent 60%),
    radial-gradient(40% 50% at 20% 80%, var(--accent-soft), transparent 60%),
    radial-gradient(40% 50% at 80% 20%, var(--accent-2-soft), transparent 60%),
    var(--surface-app);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.close::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-edge), transparent);
}
.close h2 {
  font-family: var(--font-sans);
  font-size: clamp(52px, 8vw, 116px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.04em;
  text-wrap: balance;
  background: linear-gradient(95deg, var(--duel-ink) 0%, var(--accent-strong) 55%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-bottom: 0.05em;
}
.close .sig {
  margin-top: 40px;
  font-size: 14px;
  color: var(--fg-3);
  letter-spacing: -0.005em;
}
.close .sig strong { color: var(--fg-1); font-weight: 500; }
.close .sig a {
  color: var(--accent-strong);
  border-bottom: 1px solid var(--accent-edge);
  padding-bottom: 1px;
}
.close .sig a:hover { color: var(--accent); border-color: var(--accent); }

footer {
  padding: 36px 32px;
  border-top: 1px solid var(--stroke-10);
  font-size: 12px;
  color: var(--fg-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: -0.005em;
  background: var(--surface-inset);
}

/* ══════════════════════════════════════════════════════════
   MINI-MAP (vertical section navigator on the right edge)
   ══════════════════════════════════════════════════════════ */
.minimap {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 95;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 8px;
  background: rgba(250, 246, 238, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--stroke-10);
  border-radius: 999px;
}
.minimap__dot {
  position: relative;
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(16,16,16,0.18);
  transition: background-color var(--dur-base), transform var(--dur-base), width var(--dur-base), height var(--dur-base);
  text-decoration: none;
}
.minimap__dot:hover {
  background: var(--accent-strong);
  transform: scale(1.4);
}
.minimap__dot.is-active {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(86,205,237,0.25), 0 0 10px var(--accent-glow);
}
.minimap__label {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--duel-ink);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast), transform var(--dur-base) var(--ease-out);
}
.minimap__dot:hover .minimap__label,
.minimap__dot:focus-visible .minimap__label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
@media (max-width: 1100px) { .minimap { display: none; } }

/* ══════════════════════════════════════════════════════════
   STICKY OPTION-SCOPE STRIP (visible inside opt deep dives)
   ══════════════════════════════════════════════════════════ */
.scope-strip {
  position: fixed;
  top: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  z-index: 94;
  display: flex;
  align-items: center;
  background: var(--duel-ink);
  color: #fff;
  border-radius: 999px;
  padding: 8px 22px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  box-shadow: 0 10px 30px -10px rgba(16,16,16,0.30);
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms var(--ease-out), transform 280ms var(--ease-out);
  max-width: calc(100vw - 40px);
}
.scope-strip.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.scope-strip__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: nowrap;
  overflow-x: auto;
  white-space: nowrap;
}
.scope-strip__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  background: var(--accent);
  color: var(--duel-ink);
  padding: 3px 8px;
  border-radius: 5px;
  font-weight: 700;
}
.scope-strip__title {
  font-weight: 700;
  letter-spacing: -0.005em;
}
.scope-strip__divider {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,0.18);
}
.scope-strip__meta {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: rgba(255,255,255,0.85);
}
.scope-strip__k {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.scope-strip__v { font-weight: 500; }
@media (max-width: 880px) {
  .scope-strip { padding: 6px 14px; font-size: 11.5px; }
  .scope-strip__meta:nth-child(n+5) { display: none; }
}

.nav__save {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--fg-2);
  background: transparent;
  border: 1px solid var(--stroke-10);
  cursor: pointer;
  margin-left: 12px;
  transition: background-color var(--dur-base), color var(--dur-base), border-color var(--dur-base);
}
.nav__save:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--duel-ink);
}
@media (max-width: 980px) { .nav__save { display: none; } }

/* ══════════════════════════════════════════════════════════
   PILLAR TIMELINE (animated visual sequence)
   ══════════════════════════════════════════════════════════ */
.timeline {
  margin-top: 56px;
  padding: 28px 32px 32px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  position: relative;
}
.timeline__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.timeline__lbl {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 500;
}
.timeline__today {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  padding: 4px 10px;
  border: 1px solid var(--accent-edge);
  border-radius: 999px;
  background: var(--accent-soft);
}
.timeline__scale {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  margin-bottom: 8px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--fg-4);
  font-weight: 500;
  text-transform: uppercase;
}
.timeline__scale span:last-child { text-align: right; }
.timeline__track {
  position: relative;
  height: 192px;
  border-top: 1px dashed var(--stroke-10);
  border-bottom: 1px dashed var(--stroke-10);
  padding: 14px 0;
}
.timeline__today-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-strong);
  z-index: 4;
  box-shadow: 0 0 12px var(--accent-glow);
}
.timeline__today-marker::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 0 0 12px var(--accent-glow);
}
.timeline__bar {
  position: absolute;
  height: 50px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4px 18px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transform-origin: left center;
  animation: timeline-grow 800ms var(--ease-out) both;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.timeline__bar-label {
  font-weight: 700;
  color: var(--fg-1);
  font-size: 13px;
  line-height: 1.2;
}
.timeline__bar-dates {
  font-size: 11px;
  color: var(--fg-3);
  margin-top: 4px;
  font-weight: 400;
  line-height: 1.2;
}
.timeline__bar--p1 {
  top: 14px;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  color: var(--duel-ink);
  animation-delay: 80ms;
}
.timeline__bar--p1 .timeline__bar-label,
.timeline__bar--p1 .timeline__bar-dates { color: var(--duel-ink); }
.timeline__bar--p2 {
  top: 72px;
  background: var(--duel-ink);
  color: #fff;
  animation-delay: 220ms;
}
.timeline__bar--p2 .timeline__bar-label { color: #fff; }
.timeline__bar--p2 .timeline__bar-dates { color: rgba(255,255,255,0.65); }
.timeline__bar--p3 {
  top: 130px;
  background: linear-gradient(90deg, var(--accent), var(--duel-lilac));
  color: var(--duel-ink);
  animation-delay: 360ms;
}
.timeline__bar--p3 .timeline__bar-label,
.timeline__bar--p3 .timeline__bar-dates { color: var(--duel-ink); }
@keyframes timeline-grow {
  from { transform: scaleX(0); opacity: 0; }
  to { transform: scaleX(1); opacity: 1; }
}
.timeline__caption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-3);
  max-width: 70ch;
}
@media (prefers-reduced-motion: reduce) {
  .timeline__bar { animation: none; }
}
@media (max-width: 760px) {
  .timeline { padding: 22px 18px 24px; }
  .timeline__scale { font-size: 9.5px; }
  .timeline__bar { font-size: 10.5px; padding: 0 8px; }
  .timeline__bar-label { font-size: 11px; }
}

/* ══════════════════════════════════════════════════════════
   IMPACT CELL: Show the maths popover
   ══════════════════════════════════════════════════════════ */
.impact-cell[data-maths] {
  cursor: pointer;
  user-select: none;
}
.impact-cell[data-maths]::after {
  content: 'Show the maths';
  position: absolute;
  bottom: 14px;
  right: 18px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  opacity: 0.7;
  transition: opacity var(--dur-base), bottom var(--dur-base) var(--ease-out);
  z-index: 2;
}
.impact-cell[data-maths]:hover::after { opacity: 1; }
.impact-cell.is-maths-open[data-maths]::after { content: 'Hide the maths'; }
.impact-cell {
  padding-bottom: 38px;
}
/* When maths is open, push the affordance down a touch and make sure
   the panel never overlaps it. Generous bottom padding gives the
   affordance its own line below the maths content. */
.impact-cell.is-maths-open {
  padding-bottom: 44px;
}
.impact-cell__maths {
  display: block;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-2);
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}
.impact-cell__maths-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  margin-bottom: 6px;
}
.impact-cell__maths-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  margin-bottom: 6px;
}

/* ══════════════════════════════════════════════════════════
   FAQ (anticipated questions)
   ══════════════════════════════════════════════════════════ */
.faq {
  margin-top: 56px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
}

/* Combined FAQ section: one container, three option groups */
.faqs-combined {
  margin-top: 64px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  padding: 52px 56px;
}
.faqs-combined__group + .faqs-combined__group {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--stroke-10);
}
.faqs-combined__group-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.faqs-combined__group-head h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg-1);
  line-height: 1.2;
}
.faqs-combined__group-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--duel-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.faqs-combined__group-badge--cyan { background: var(--duel-ink); color: var(--accent); }
.faqs-combined__group-badge--lilac { background: var(--duel-lilac); color: var(--duel-ink); }
@media (max-width: 760px) {
  .faqs-combined { padding: 32px 24px; }
}
.faq__head { margin-bottom: 28px; }
.faq__lbl {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 500;
  display: block;
  margin-bottom: 12px;
}
.faq__head h3 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.018em;
  color: var(--fg-1);
}
.faq__list {
  display: grid;
  gap: 8px;
}
.faq__item {
  border-top: 1px solid var(--stroke-10);
  padding: 18px 0 16px;
  cursor: pointer;
  outline: none;
}
.faq__item:last-child { border-bottom: 1px solid var(--stroke-10); }
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--fg-1);
  letter-spacing: -0.008em;
  line-height: 1.35;
  transition: color var(--dur-base);
}
.faq__item:hover .faq__q { color: var(--accent-strong); }
.faq__chev {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  color: var(--accent-strong);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base);
}
.faq__item.is-open .faq__chev {
  transform: rotate(45deg);
  background: var(--accent);
  color: var(--duel-ink);
  border-color: var(--accent);
}
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 420ms var(--ease-out), margin-top var(--dur-base);
}
.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
  margin-top: 14px;
}
.faq__a > p {
  overflow: hidden;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 80ch;
}
@media (max-width: 760px) {
  .faq { padding: 28px 24px; }
  .faq__q { font-size: 15px; }
}

/* ══════════════════════════════════════════════════════════
   COMPARE TABLE: column toggle + row hover highlight
   ══════════════════════════════════════════════════════════ */
.compare-toggle {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.compare-toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px 9px 12px;
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-2);
  cursor: pointer;
  letter-spacing: -0.005em;
  transition: background-color var(--dur-base), color var(--dur-base), border-color var(--dur-base), opacity var(--dur-base);
}
.compare-toggle__btn:hover { border-color: var(--accent-edge); }
.compare-toggle__btn:not(.is-on) {
  opacity: 0.45;
  background: transparent;
}
.compare-toggle__btn:not(.is-on):hover { opacity: 0.75; }
.compare-toggle__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--duel-ink);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.compare-toggle__badge--cyan { background: var(--duel-ink); color: var(--accent); }
.compare-toggle__badge--lilac { background: var(--duel-lilac); color: var(--duel-ink); }

.compare.col1-hidden .compare__row > *:nth-child(2),
.compare.col2-hidden .compare__row > *:nth-child(3),
.compare.col3-hidden .compare__row > *:nth-child(4) {
  display: none;
}

.compare__row {
  transition: background-color var(--dur-fast);
}
.compare__row:not(.compare__head):hover {
  background: var(--accent-soft);
}
.compare__row:not(.compare__head):hover .k {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

/* ══════════════════════════════════════════════════════════
   PRINT STYLESHEET: expand all accordions, clean layout
   ══════════════════════════════════════════════════════════ */
@media print {
  body { background: #fff; color: #000; }
  body::before { display: none; }
  .nav, .minimap, .scope-strip, .progress-track,
  .hero__scroll, .arch1__hint, .step__more, .step__chevron,
  .faq__chev, .pillar-row__chevron, .compare-toggle { display: none !important; }

  /* Expand all accordions */
  .pillar-details, .step__details, .faq__a, .arch1__mod-detail {
    grid-template-rows: 1fr !important;
  }
  .arch1__mod-content { display: block !important; page-break-inside: avoid; }
  .impact-cell__maths { display: block !important; }
  .impact-cell { padding-bottom: 24px; }
  .impact-cell[data-maths]::after { display: none; }

  /* Make sure animations are off */
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  /* Page breaks */
  section { page-break-inside: avoid; padding: 24px 0 !important; }
  .deep { page-break-before: auto; }
  h1, h2, h3, h4 { page-break-after: avoid; }

  /* Cleaner typography for print */
  .hero { min-height: 0; padding-top: 40px; }
  .quote, .recommendation { background: #fff !important; color: #000 !important; }
  .quote::before, .recommendation::before, .recommendation::after { display: none; }
  .quote__text, .quote__sub, .quote__attr,
  .recommendation .lede, .recommendation h2 { color: #000 !important; }
  .recommendation h2 span.italic,
  .hero__title .line:nth-child(2) > span,
  .close h2,
  .deep__num,
  .pillar-row__num,
  .sub-session__no,
  .crm-arm__card.new .crm-arm__name,
  .recommendation .eyebrow,
  .nav__brand img {
    -webkit-text-fill-color: initial !important;
    background: none !important;
    color: #000 !important;
  }
  .future__quote, .arch1__foundation, .crm-arm__card.new, .layer--mid {
    background: #f4f4f4 !important;
    color: #000 !important;
  }
  .future__quote::before, .arch1__foundation::before, .crm-arm__card.new::before,
  .layer--mid::before, .future__quote::after { display: none; }
  .future__quote span, .arch1__foundation-head, .arch1__foundation-item,
  .arch1__foundation-item small, .future__quote { color: #000 !important; }
}


/* ══════════════════════════════════════════════════════════
   IMPACTFUL ANIMATIONS
   Layered on top of existing reveals.
   ══════════════════════════════════════════════════════════ */

/* ---- #1 Animated cyan accent rule draw-in -------------------
   Card-top cyan bars (cuts, steps, sub-sessions, shared-cells)
   start at scaleX(0) and grow to default width when the parent
   .reveal/.reveal-stagger enters view.
*/
.cut::before { transform: scaleX(0); }
.in-view .cut::before,
.reveal-stagger.in-view .cut::before { transform: scaleX(0.3); transition: transform 640ms var(--ease-out) 200ms; }
.cut:hover::before { transform: scaleX(1); transition: transform 360ms var(--ease-out); }

.step::before { transform-origin: left; transform: scaleX(0); transition: transform 640ms var(--ease-out); }
.in-view .step::before,
.reveal-stagger.in-view .step::before { transform: scaleX(1); transition-delay: 220ms; }

.sub-session::before { transform-origin: left; transform: scaleX(0); transition: transform 640ms var(--ease-out); }
.in-view .sub-session::before,
.reveal-stagger.in-view .sub-session::before { transform: scaleX(1); transition-delay: 280ms; }

.shared-cell::before { transform: scaleX(0); }
.in-view .shared-cell::before,
.reveal-stagger.in-view .shared-cell::before { transform: scaleX(0.35); transition: transform 720ms var(--ease-out) 300ms; }
.shared-cell:hover::before { transform: scaleX(1); transition: transform 360ms var(--ease-out); }

.impact-cell::before { transform-origin: left; transform: scaleX(0); transition: transform 720ms var(--ease-out); }
.in-view .impact-cell::before,
.reveal-stagger.in-view .impact-cell::before { transform: scaleX(0.4); transition-delay: 320ms; }
.impact-cell:hover::before { transform: scaleX(1); transition: transform 360ms var(--ease-out); }

/* Trigger card left border draw-down */
.trigger {
  position: relative;
  overflow: hidden;
}
.trigger::after {
  content: '';
  position: absolute;
  top: 0; left: -3px;
  width: 3px; height: 0;
  background: var(--duel-orange);
  transition: height 720ms var(--ease-out) 200ms;
}
.in-view .trigger::after,
.reveal-stagger.in-view .trigger::after { height: 100%; }

/* Eyebrow dot pulse on reveal: subtle radial flash */
.reveal.in-view .eyebrow::before,
.reveal-stagger.in-view .eyebrow::before {
  animation: dot-flash 1400ms var(--ease-out) 200ms both;
}
@keyframes dot-flash {
  0%   { box-shadow: 0 0 0 0 var(--accent); transform: scale(1); }
  30%  { box-shadow: 0 0 0 6px rgba(86,205,237,0); transform: scale(1.4); }
  100% { box-shadow: 0 0 12px var(--accent); transform: scale(1); }
}

/* ---- #2 Equation cascade in Recommendation ---------------- */
.equation.reveal-stagger > * {
  /* Override the default reveal-stagger 20px offset with a bigger one for impact */
  transform: translateY(28px);
}
.equation.reveal-stagger > .eq-op {
  /* Operators start small and pop in */
  transform: translateY(28px) scale(0.4);
  transition: opacity 520ms var(--ease-out), transform 520ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.equation.reveal-stagger.in-view > .eq-op {
  transform: translateY(0) scale(1);
}
.equation.reveal-stagger.in-view > *:nth-child(1) { transition-delay: 100ms; }
.equation.reveal-stagger.in-view > *:nth-child(2) { transition-delay: 320ms; }
.equation.reveal-stagger.in-view > *:nth-child(3) { transition-delay: 480ms; }
.equation.reveal-stagger.in-view > *:nth-child(4) { transition-delay: 700ms; }
.equation.reveal-stagger.in-view > *:nth-child(5) { transition-delay: 880ms; }

/* Continuous gentle glow pulse on the result card after entrance */
.equation.reveal-stagger.in-view .eq-card--result {
  animation: result-glow 4s var(--ease-in-out) 1400ms infinite;
}
@keyframes result-glow {
  0%, 100% {
    box-shadow: 0 12px 40px -16px var(--accent-glow), inset 0 1px 0 rgba(255,255,255, 0.10);
  }
  50% {
    box-shadow: 0 18px 60px -16px var(--accent-glow), 0 0 36px rgba(86, 205, 237, 0.35), inset 0 1px 0 rgba(255,255,255, 0.18);
  }
}

/* ---- #3 Pillar timeline today marker pulse ---------------- */
.timeline__today-marker {
  animation: today-line-pulse 3.2s var(--ease-in-out) infinite;
}
.timeline__today-marker::before {
  animation: today-dot-pulse 3.2s var(--ease-in-out) infinite;
}
@keyframes today-line-pulse {
  0%, 100% { box-shadow: 0 0 12px var(--accent-glow); }
  50%      { box-shadow: 0 0 26px rgba(86,205,237,0.55), 0 0 48px rgba(86,205,237,0.30); }
}
@keyframes today-dot-pulse {
  0%, 100% { transform: translateX(-50%) scale(1); box-shadow: 0 0 10px var(--accent-glow); }
  50%      { transform: translateX(-50%) scale(1.4); box-shadow: 0 0 18px rgba(86,205,237,0.65); }
}
.timeline__today {
  animation: today-chip-pulse 3.2s var(--ease-in-out) infinite;
}
@keyframes today-chip-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(86,205,237,0); }
  50%      { box-shadow: 0 0 0 4px rgba(86,205,237,0.15); }
}

/* ---- #4 Count-up overshoot is handled in site.js but we
   add a transition base so the JS-applied transform animates
   smoothly. ------------------------------------------------- */
.impact-cell .big[data-count] {
  display: inline-block;
  transform-origin: left center;
  will-change: transform;
}

/* ---- #5 Smooth height transition on Show the maths -------- */
.impact-cell__maths-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 460ms var(--ease-out), opacity 320ms var(--ease-out), margin-top 320ms var(--ease-out);
  opacity: 0;
  margin: 0;
}
.impact-cell__maths-wrap > .impact-cell__maths {
  overflow: hidden;
  display: block !important;
  margin: 0 !important;
}
.impact-cell.is-maths-open .impact-cell__maths-wrap {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 14px;
}

/* ---- #6 Eyebrow pill slide-in from left ------------------- */
.reveal.in-view > .eyebrow,
.reveal.in-view > div > .eyebrow {
  animation: eyebrow-slide 540ms var(--ease-out) 160ms both;
}
@keyframes eyebrow-slide {
  0%   { transform: translateX(-14px); }
  100% { transform: translateX(0); }
}

/* ---- #7 Compound module tile stagger entrance ------------- */
.arch1.reveal:not(.in-view) .arch-mod {
  opacity: 0;
  transform: translateY(20px);
}
.arch1.reveal.in-view .arch-mod {
  animation: mod-rise 640ms var(--ease-out) both;
}
.arch1.reveal.in-view .arch-mod:nth-child(1) { animation-delay: 140ms; }
.arch1.reveal.in-view .arch-mod:nth-child(2) { animation-delay: 210ms; }
.arch1.reveal.in-view .arch-mod:nth-child(3) { animation-delay: 280ms; }
.arch1.reveal.in-view .arch-mod:nth-child(4) { animation-delay: 350ms; }
.arch1.reveal.in-view .arch-mod:nth-child(5) { animation-delay: 420ms; }
.arch1.reveal.in-view .arch-mod:nth-child(6) { animation-delay: 490ms; }
.arch1.reveal.in-view .arch-mod:nth-child(7) { animation-delay: 560ms; }
@keyframes mod-rise {
  0%   { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ---- #8 Hero parallax cyan glow: driven by JS via CSS vars */
.hero {
  --glow-x-1: 12%;
  --glow-y-1: 8%;
  --glow-x-2: 96%;
  --glow-y-2: 92%;
  --glow-x-3: 78%;
  --glow-y-3: 14%;
  transition: background-position 600ms var(--ease-out);
}
.hero {
  background:
    radial-gradient(70% 60% at var(--glow-x-1) var(--glow-y-1), var(--accent-glow), transparent 58%),
    radial-gradient(55% 50% at var(--glow-x-2) var(--glow-y-2), var(--accent-2-soft), transparent 62%),
    radial-gradient(40% 30% at var(--glow-x-3) var(--glow-y-3), rgba(86, 205, 237, 0.16), transparent 65%),
    var(--surface-app);
}

/* ---- #9 Mini-map progress trail --------------------------- */
.minimap__dot.is-passed {
  background: rgba(86, 205, 237, 0.42);
  box-shadow: 0 0 4px rgba(86, 205, 237, 0.3);
}
.minimap__dot {
  transition: background-color 280ms var(--ease-out), transform var(--dur-base), box-shadow 280ms var(--ease-out);
}

/* ---- #10 Number flash on hover for impact stats ----------- */
.impact-cell .big {
  transition: color 240ms var(--ease-out), transform 240ms var(--ease-out);
  display: inline-block;
}
.impact-cell:hover .big {
  color: var(--accent-strong);
}

/* ---- #11 Page-load entrance choreography ------------------ */
.nav {
  animation: nav-drop 600ms var(--ease-out) 180ms both;
}
@keyframes nav-drop {
  0%   { opacity: 0; transform: translateY(-100%); }
  100% { opacity: 1; transform: translateY(0); }
}
.minimap {
  animation: minimap-fade 780ms var(--ease-out) 900ms both;
}
@keyframes minimap-fade {
  0%   { opacity: 0; transform: translateY(-50%) translateX(18px); }
  100% { opacity: 1; transform: translateY(-50%) translateX(0); }
}
.progress-track {
  animation: progress-fade 500ms var(--ease-out) 1400ms both;
}
@keyframes progress-fade {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}

/* Reduced motion: turn the looping animations off */
@media (prefers-reduced-motion: reduce) {
  .equation.reveal-stagger.in-view .eq-card--result,
  .timeline__today-marker,
  .timeline__today-marker::before,
  .timeline__today,
  .nav, .minimap, .progress-track {
    animation: none !important;
  }
  .reveal.in-view > .eyebrow,
  .reveal.in-view > div > .eyebrow,
  .arch1.reveal.in-view .arch-mod {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ══════════════════════════════════════════════════════════
   COMMENTING FEATURE
   ══════════════════════════════════════════════════════════ */

/* "Comments" button (sits left of the Download FAB). Click opens the drawer. */
.comments-button {
  position: fixed;
  top: 90px;
  right: 22px;
  z-index: 96;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px 10px 16px;
  border-radius: 999px;
  background: var(--surface-card);
  color: var(--fg-2);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid var(--stroke-10);
  cursor: pointer;
  box-shadow: 0 8px 20px -8px rgba(16,16,16,0.20);
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.comments-button:hover {
  background: var(--accent-soft);
  border-color: var(--accent-edge);
  transform: translateY(-1px);
}
.comments-button__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--duel-ink);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}
.comments-button__count[hidden] { display: none; }
@media (max-width: 880px) {
  .comments-button { top: 86px; right: 12px; padding: 10px; }
  .comments-button__label { display: none; }
}

/* Commentable elements need a positioning context for the comment badge */
.commentable { position: relative; }

/* Persistent comment badge */
.comment-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--duel-ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 16px -4px rgba(86,205,237,0.55), 0 0 0 2px var(--surface-card);
  z-index: 101;
  border: 0;
  padding: 0;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
  animation: comment-badge-in 420ms var(--ease-out) both;
}
.comment-badge:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 22px -4px rgba(86,205,237,0.75), 0 0 0 2px var(--surface-card);
}
.comment-badge svg { width: 14px; height: 14px; }
.comment-badge.is-pulse {
  animation: comment-badge-pulse 1.4s var(--ease-out) 2;
}
@keyframes comment-badge-in {
  0%   { opacity: 0; transform: scale(0.4); }
  60%  { opacity: 1; transform: scale(1.18); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes comment-badge-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 6px 16px -4px rgba(86,205,237,0.55), 0 0 0 2px var(--surface-card); }
  50%      { transform: scale(1.22); box-shadow: 0 10px 26px -2px rgba(86,205,237,0.85), 0 0 0 2px var(--surface-card), 0 0 0 8px rgba(86,205,237,0.18); }
}

/* Drawer-driven highlight: pulse a ring around the source element after scroll */
.commentable.is-comment-highlight {
  animation: commentable-highlight 1.6s var(--ease-out);
  border-radius: inherit;
}
@keyframes commentable-highlight {
  0%   { box-shadow: 0 0 0 0 rgba(86,205,237,0.0), 0 0 0 0 rgba(86,205,237,0.0); }
  35%  { box-shadow: 0 0 0 6px rgba(86,205,237,0.30), 0 0 0 14px rgba(86,205,237,0.10); }
  100% { box-shadow: 0 0 0 0 rgba(86,205,237,0.0), 0 0 0 0 rgba(86,205,237,0.0); }
}

/* Backdrop behind the popover */
.comment-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16,16,16,0.32);
  backdrop-filter: blur(2px);
  z-index: 109;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease-out);
}
.comment-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* Comment popover */
.comment-popover {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  width: min(480px, 92vw);
  background: var(--surface-card);
  border: 1px solid var(--stroke-10);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px -24px rgba(16,16,16,0.35);
  padding: 20px 22px 18px;
  z-index: 110;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.comment-popover.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}
.comment-popover__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.comment-popover__title {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.012em;
  color: var(--fg-1);
}
.comment-popover__close {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: transparent;
  border: 0;
  color: var(--fg-3);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background-color 160ms;
}
.comment-popover__close:hover { background: rgba(0,0,0,0.05); color: var(--fg-1); }
.comment-popover__section {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 12px;
}
.comment-popover__textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--stroke-20);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg-1);
  background: var(--surface-app);
  resize: vertical;
  min-height: 100px;
  outline: none;
  transition: border-color 200ms;
}
.comment-popover__textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(86,205,237,0.16); }
.comment-popover__hint {
  font-size: 11px;
  color: var(--fg-4);
  margin-top: 8px;
}
.comment-popover__hint kbd {
  display: inline-block;
  padding: 1px 5px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  color: var(--fg-2);
  background: var(--surface-inset);
  border: 1px solid var(--stroke-10);
  border-radius: 3px;
  margin: 0 1px;
}
.comment-popover__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
}
.comment-popover__delete {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--duel-red);
  background: transparent;
  border: 0;
  padding: 7px 10px;
  cursor: pointer;
  border-radius: 6px;
  font-weight: 500;
  visibility: hidden;
  transition: background-color 160ms;
}
.comment-popover__delete:hover { background: rgba(238,55,46,0.08); }
.comment-popover.is-editing .comment-popover__delete { visibility: visible; }
.comment-popover__primary { display: flex; gap: 8px; }
.comment-popover__cancel,
.comment-popover__save {
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--stroke-20);
  background: var(--surface-card);
  color: var(--fg-2);
  transition: background-color 160ms, border-color 160ms;
  letter-spacing: -0.005em;
}
.comment-popover__cancel:hover { background: rgba(0,0,0,0.04); }
.comment-popover__save {
  background: var(--duel-ink);
  color: var(--accent);
  border-color: var(--duel-ink);
}
.comment-popover__save:hover { background: #2a2a2a; }

/* Comments side drawer */
.comments-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 360px;
  max-width: 90vw;
  height: 100vh;
  background: var(--surface-card);
  border-left: 1px solid var(--stroke-10);
  box-shadow: -16px 0 40px -20px rgba(16,16,16,0.20);
  z-index: 105;
  transition: transform 320ms var(--ease-out);
  transform: translateX(100%);
  display: flex;
  flex-direction: column;
}
.comments-drawer[hidden] { display: none; }
.comments-drawer.is-open { transform: translateX(0); }
.comments-drawer__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 26px 24px 12px;
}
.comments-drawer__count {
  display: block;
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 8px;
}
.comments-drawer__header h3 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.018em;
  color: var(--fg-1);
  line-height: 1.1;
  margin: 0;
}
.comments-drawer__close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 0;
  font-size: 22px;
  color: var(--fg-3);
  cursor: pointer;
  line-height: 1;
  transition: background-color 160ms;
}
.comments-drawer__close:hover { background: rgba(0,0,0,0.05); color: var(--fg-1); }
.comments-drawer__list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 24px 20px;
}
.comments-drawer__empty {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-3);
  padding: 14px 0;
  border-top: 1px solid var(--stroke-10);
}
.comments-drawer__empty strong { color: var(--accent-strong); font-weight: 700; }
.comment-entry {
  padding: 14px 0;
  border-top: 1px solid var(--stroke-10);
  cursor: pointer;
  position: relative;
  transition: padding 160ms;
}
.comment-entry:hover {
  padding-left: 8px;
  padding-right: 8px;
  margin: 0 -8px;
  background: var(--accent-soft);
  border-radius: 6px;
}
.comment-entry__section {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 6px;
}
.comment-entry__text {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg-1);
  margin-bottom: 6px;
  word-wrap: break-word;
}
.comment-entry__date {
  font-family: var(--font-sans);
  font-size: 10.5px;
  color: var(--fg-4);
}
.comments-drawer__sync-status {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--fg-4);
  padding: 4px 24px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.comments-drawer__sync-status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--fg-5);
}
.comments-drawer__sync-status.is-synced::before {
  background: var(--duel-green);
  box-shadow: 0 0 6px rgba(180, 237, 62, 0.55);
}
.comments-drawer__footer {
  padding: 16px 24px 26px;
  border-top: 1px solid var(--stroke-10);
}
.comments-drawer__export {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--duel-ink);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 0;
  cursor: pointer;
  transition: background-color 200ms;
}
.comments-drawer__export:hover:not(:disabled) { background: #2a2a2a; }
.comments-drawer__export:disabled {
  background: var(--surface-inset);
  color: var(--fg-4);
  cursor: not-allowed;
}

/* First-visit instruction banner */
.comment-intro {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  max-width: min(580px, 92vw);
  background: var(--duel-ink);
  color: #fff;
  padding: 14px 18px 14px 22px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 108;
  box-shadow: 0 20px 50px -16px rgba(16,16,16,0.50);
  animation: comment-intro-in 700ms var(--ease-out) 1600ms both;
}
.comment-intro[hidden] { display: none; }
.comment-intro__content {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  color: #fff;
  flex: 1;
}
.comment-intro__content strong { color: var(--accent); font-weight: 700; }
.comment-intro__content em { font-style: normal; color: var(--accent); font-weight: 600; }
.comment-intro__close {
  padding: 8px 16px;
  background: var(--accent);
  color: var(--duel-ink);
  border: 0;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.005em;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 160ms;
}
.comment-intro__close:hover { transform: scale(1.04); }
@keyframes comment-intro-in {
  0% { opacity: 0; transform: translateX(-50%) translateY(20px); }
  100% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Ensure commentables can carry the absolutely positioned indicators / badges */
.commentable { position: relative; }

/* (Comment mode removed; right-click is now the primary mechanism, so
   accordion / module click handlers no longer need to be suppressed.) */

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .comment-intro, .comments-drawer, .comment-popover, .comment-backdrop,
  .comment-badge, .comment-badge.is-pulse, .commentable.is-comment-highlight {
    animation: none !important;
    transition: none !important;
  }
}