/* ══════════════════════════════════════════════
   NAV PROGRESS DOTS — vertical right rail
   ══════════════════════════════════════════════ */
.nav-progress {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

[data-theme="dark"] .nav-progress {
  background: rgba(22, 25, 34, 0.6);
  border-color: var(--border);
}

/* Counter chip on top */
.nav-progress-count {
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.4px;
  font-feature-settings: "tnum" 1;
  padding: 2px 8px 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
  width: calc(100% + 6px);
  text-align: center;
}
.nav-progress-count .np-cur {
  color: var(--accent);
  font-size: 13px;
}
.nav-progress-count .np-total {
  opacity: 0.7;
}

/* Each dot is a button */
.nav-progress-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.nav-progress-item::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d1d5db;
  transition: transform .25s ease, background .25s ease, box-shadow .25s ease, width .25s ease, height .25s ease;
}
[data-theme="dark"] .nav-progress-item::before { background: #3a4150; }

.nav-progress-item:hover::before {
  background: var(--accent);
  transform: scale(1.3);
}
.nav-progress-item.is-active::before {
  width: 11px;
  height: 11px;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  box-shadow: 0 0 0 4px var(--accent-ring);
}
[data-theme="dark"] .nav-progress-item.is-active::before {
  background: linear-gradient(135deg, #a78bfa, #c4b5fd);
}

/* Floating label that appears on hover */
.nav-progress-label {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(8px, -50%);
  transition: opacity .18s ease, transform .18s ease;
}
.nav-progress-label::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-left-color: var(--border);
  margin-top: -5px;
}
.nav-progress-item:hover .nav-progress-label,
.nav-progress-item:focus-visible .nav-progress-label,
.nav-progress-item.is-active .nav-progress-label {
  opacity: 1;
  transform: translate(0, -50%);
}
/* Active label keeps showing, with accent color */
.nav-progress-item.is-active .nav-progress-label {
  color: var(--accent);
  border-color: var(--accent);
}
.nav-progress-item.is-active .nav-progress-label::after {
  border-left-color: var(--accent);
}

/* Hide on smaller screens / tablet */
@media (max-width: 1100px) {
  .nav-progress { display: none; }
}


/* ══════════════════════════════════════════════
   NEXT-SECTION CTA — appears at end of each view
   ══════════════════════════════════════════════ */
.next-section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 32px 80px;
}

.next-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 38px 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse 600px 220px at 100% 0%, var(--accent-soft) 0%, transparent 70%),
    var(--card-bg);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease, border-color .25s ease;
  cursor: pointer;
}
.next-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 70%);
  transform: translate(50%, -50%);
  transition: transform .4s ease, opacity .25s ease;
  opacity: 0.6;
  pointer-events: none;
}
.next-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.next-card:hover::after {
  transform: translate(40%, -40%) scale(1.2);
  opacity: 1;
}

[data-theme="dark"] .next-card {
  background:
    radial-gradient(ellipse 600px 220px at 100% 0%, rgba(167,139,250,0.10) 0%, transparent 70%),
    var(--surface);
}

.next-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.next-eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.next-title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--text);
}

.next-sub {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.55;
  max-width: 56ch;
}

.next-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.next-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
}
.next-chip-icon {
  font-size: 14px;
  line-height: 1;
}
[data-theme="dark"] .next-chip {
  background: var(--bg-soft);
  border-color: var(--border);
}

.next-arrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-accent);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), background .2s ease;
}
.next-card:hover .next-arrow {
  transform: translateX(6px) rotate(-8deg);
  background: var(--accent-2);
}
.next-arrow svg {
  width: 26px;
  height: 26px;
  stroke-width: 2.4;
}

/* Footer row beside next-card: page-X-of-Y + skip-to-top */
.next-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  padding: 0 8px;
  font-size: 13px;
  color: var(--muted);
}
.next-meta-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.next-meta-track {
  display: inline-flex;
  gap: 4px;
}
.next-meta-track span {
  width: 18px;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
}
.next-meta-track span.is-done {
  background: var(--accent);
}
.next-skiptop {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 500;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .15s;
}
.next-skiptop:hover { color: var(--accent); }
.next-skiptop svg { width: 14px; height: 14px; }

@media (max-width: 760px) {
  .next-section { padding: 16px 16px 60px; }
  .next-card {
    grid-template-columns: 1fr;
    padding: 26px 22px;
    gap: 20px;
  }
  .next-card .next-arrow {
    justify-self: end;
    width: 56px;
    height: 56px;
    margin-top: -6px;
  }
  .next-title { font-size: 22px; }
  .next-meta { margin-top: 16px; padding-top: 16px; font-size: 12px; }
}