/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, box-shadow 200ms ease;
}
.btn--primary {
  background: rgba(90, 217, 255, 0.12);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}
.btn--primary:hover {
  background: rgba(90, 217, 255, 0.2);
  box-shadow: 0 0 32px rgba(90, 217, 255, 0.5);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--border-strong);
  color: var(--cyan);
}
.btn--large { padding: 16px 28px; font-size: 13px; }

/* --- Panel (glass card) --- */
.panel {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--inner-glow);
  transition: border-color 200ms ease, box-shadow 240ms ease, transform 200ms ease;
}
.panel:hover {
  border-color: var(--border-strong);
  box-shadow: var(--glow-cyan), var(--inner-glow);
  transform: translateY(-2px);
}
.panel--tall { min-height: 240px; }

.panel__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--cyan-dim);
  margin-bottom: 10px;
}
.panel__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  line-height: 1.2;
  color: var(--fg-strong);
  margin-bottom: 10px;
}
.panel__body {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--fg);
}

/* --- Layer (memory cards) --- */
.layer {
  position: relative;
  padding: 28px 24px 26px;
  background: linear-gradient(180deg, rgba(8, 18, 32, 0.55) 0%, rgba(8, 18, 32, 0.35) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  overflow: hidden;
}
.layer::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(90, 217, 255, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.layer__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 56px;
  font-weight: 200;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 12px;
  text-shadow: 0 0 18px rgba(90, 217, 255, 0.45);
}
.layer__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 26px;
  color: var(--fg-strong);
  margin-bottom: 4px;
}
.layer__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
  margin-bottom: 14px;
}
.layer__body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg);
}

/* --- Memory footer KV strip --- */
.memory__footer {
  margin-top: var(--space-10);
  padding: 18px 22px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg);
}
.kv span { color: var(--fg-muted); margin-right: 8px; }

/* --- Memory pullquote --- */
.memory__pullquote {
  margin-top: var(--space-10);
  padding: 28px 32px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.35;
  color: var(--fg-strong);
  letter-spacing: var(--tracking-display);
  max-width: 64ch;
}
.memory__pullquote em {
  font-style: italic;
  color: var(--cyan);
}

/* --- Discipline rules --- */
.rules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (max-width: 720px) { .rules { grid-template-columns: 1fr; } }
.rule {
  padding: 18px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}
.rule b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-right: 10px;
}
.rule span {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 17px;
  color: var(--fg-strong);
}
.rule p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* --- Dataflow pre block --- */
.dataflow {
  margin-top: var(--space-10);
  padding: 22px 24px;
  background: rgba(3, 6, 13, 0.65);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--fg);
  white-space: pre;
  overflow-x: auto;
}

/* --- CTA section --- */
.cta__inner {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(8, 18, 32, 0.6) 0%, rgba(8, 18, 32, 0.35) 100%);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glow-cyan-2), var(--inner-glow);
}
.cta__inner .section__head { margin: 0 auto var(--space-6); }
.cta__inner .section__sub { margin: 0 auto var(--space-8); }
.cta__inner .section__title { max-width: none; }

/* --- Reveal animation --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}