/* ══════════════════════════════════════════════
   STACK LAYOUT DEMO  ·  prefix: dm-sl-
══════════════════════════════════════════════ */

.dm-sl-section {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #0f172a;
  background: #fafafa;
  padding: 96px 24px 80px;
  width: 100%;
  box-sizing: border-box;
}

.dm-sl-shell {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* ─── Intro ─── */
.dm-sl-intro { text-align: center; max-width: 760px; margin: 0 auto; }
.dm-sl-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #6366f1;
  margin-bottom: 1rem;
}
.dm-sl-h1 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: #0f172a;
}
.dm-sl-accent { color: #6366f1; }
.dm-sl-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #475569;
  margin: 0;
}
.dm-sl-lead code {
  background: #eef2ff;
  color: #4338ca;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'JetBrains Mono', Consolas, monospace;
}

/* ─── Stage: demo + note ─── */
.dm-sl-stage {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: start;
}

/* ─── Demo box ─── */
.dm-sl-demo {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 8px 30px -12px rgba(15, 23, 42, 0.12);
  position: relative;
}
.dm-sl-demo-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 1.25rem;
}

.dm-sl-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}
.dm-sl-stack::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    #c7d2fe 0,
    #c7d2fe 6px,
    transparent 6px,
    transparent 12px
  );
}

/* Items inside the stack */
.dm-sl-item { margin: 0; }

.dm-sl-item-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 1.55rem;
  line-height: 1.2;
  color: #0f172a;
  letter-spacing: -0.005em;
}
.dm-sl-item-text {
  font-size: 0.98rem;
  line-height: 1.6;
  color: #475569;
}
.dm-sl-item-image {
  height: 180px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(99,102,241,0.85), rgba(236,72,153,0.7)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.07) 0 10px, transparent 10px 20px);
  position: relative;
}
.dm-sl-item-image::after {
  content: 'Image';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.85);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.dm-sl-item-btn {
  align-self: flex-start;
  background: #0f172a;
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 10px 22px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.dm-sl-item-btn:hover { background: #1e293b; transform: translateY(-1px); }
.dm-sl-item-caption {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #94a3b8;
}

/* ─── Note ─── */
.dm-sl-note {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 28px;
  position: sticky;
  top: 24px;
}
.dm-sl-note-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #6366f1;
  margin-bottom: 0.6rem;
}
.dm-sl-note-h {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 0.8rem;
  color: #0f172a;
}
.dm-sl-note-p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #475569;
  margin: 0 0 1rem;
}
.dm-sl-note-p code {
  background: #f1f5f9;
  padding: 1px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 0.88em;
  color: #1e293b;
}
.dm-sl-code {
  background: #0f172a;
  color: #e2e8f0;
  padding: 14px 16px;
  border-radius: 10px;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0 0 1.1rem;
  overflow-x: auto;
}
.dm-sl-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.dm-sl-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  color: #334155;
}
.dm-sl-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: #6366f1;
}

/* ─── Outro ─── */
.dm-sl-outro {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #94a3b8;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.dm-sl-outro-key {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #fff;
  color: #0f172a;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ─── Responsive ─── */
@media (max-width: 820px) {
  .dm-sl-stage { grid-template-columns: 1fr; }
  .dm-sl-note { position: static; }
}