.mode-guide-page {
  --mode-highlight: #a5b4fc;
  min-height: calc(100dvh - 64px);
  padding: 4rem 1.5rem 5rem;
}

.mode-guide-shell {
  width: min(1040px, 100%);
  margin: 0 auto;
}

.mode-guide-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
}

.mode-guide-eyebrow {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--mode-highlight);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mode-guide-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.3rem, 7vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mode-guide-lead {
  max-width: 620px;
  margin: 0;
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.75;
}

.mode-guide-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  margin-top: 2rem;
}

.mode-guide-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  background: var(--gradient);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.32);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s, opacity 0.2s;
}

.mode-guide-cta:hover {
  opacity: 0.92;
  transform: translateY(-2px);
}

.mode-guide-platforms {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.mode-guide-demo {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
}

.mode-guide-demo::before {
  position: absolute;
  width: 310px;
  height: 310px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.17);
  filter: blur(55px);
  content: '';
}

.mode-card {
  position: relative;
  z-index: 1;
  width: min(340px, 100%);
  padding: 1.15rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: color-mix(in srgb, var(--bg-card) 92%, transparent);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.mode-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mode-card-badge {
  padding: 0.3rem 0.55rem;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.14);
  color: var(--mode-highlight);
}

.ladder-demo {
  display: grid;
  gap: 0.55rem;
}

.ladder-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
}

.letter-tile {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg);
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 700;
}

.letter-tile.changed {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.2);
  box-shadow: inset 0 0 16px rgba(99, 102, 241, 0.15);
  color: var(--mode-highlight);
}

.ladder-arrow {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.chain-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1rem 0 0.5rem;
}

.chain-word {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.chain-word.active {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.2);
  color: var(--mode-highlight);
}

.chain-link {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.mode-guide-section {
  margin-top: 5rem;
}

.mode-guide-section h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.55rem, 4vw, 2.2rem);
  letter-spacing: -0.03em;
}

.mode-guide-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.mode-guide-step {
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-card);
}

.mode-guide-step-num {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.18);
  color: var(--mode-highlight);
  font-size: 0.8rem;
  font-weight: 700;
}

.mode-guide-step h3 {
  margin: 0 0 0.45rem;
  color: var(--text);
  font-size: 1rem;
}

.mode-guide-step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.mode-guide-bottom {
  margin-top: 4rem;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.16), rgba(139, 92, 246, 0.07));
  text-align: center;
}

.mode-guide-bottom h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
}

.mode-guide-bottom p {
  max-width: 560px;
  margin: 0 auto 1.4rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 760px) {
  .mode-guide-page { padding-top: 2.5rem; }
  .mode-guide-hero { grid-template-columns: 1fr; }
  .mode-guide-copy { text-align: center; }
  .mode-guide-actions { justify-content: center; }
  .mode-guide-demo { min-height: auto; }
  .mode-guide-steps { grid-template-columns: 1fr; }
}