/* Cards, KPIs, steps, spec rows, checklist, timeline — sketch style */
.card {
  background: var(--paper);
  border: 2px solid var(--pencil);
  border-radius: var(--radius-m);
  padding: 20px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.card:hover {
  transform: translate(-2px, -2px) rotate(0deg);
  box-shadow: 6px 7px 0 -2px rgba(43, 38, 32, 0.22);
}

/* Generic grids */
.card-grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Hand-placed tilts */
.tilt-1 { transform: rotate(var(--tilt-1)); }
.tilt-2 { transform: rotate(var(--tilt-2)); }
.tilt-3 { transform: rotate(var(--tilt-3)); }
.tilt-4 { transform: rotate(var(--tilt-4)); }
.tilt-1:hover { transform: rotate(var(--tilt-1)) translate(-2px, -2px); }
.tilt-2:hover { transform: rotate(var(--tilt-2)) translate(-2px, -2px); }
.tilt-3:hover { transform: rotate(var(--tilt-3)) translate(-2px, -2px); }
.tilt-4:hover { transform: rotate(var(--tilt-4)) translate(-2px, -2px); }

/* KPI card (reference .kpi) */
.kpi {
  border: 2px solid var(--pencil);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  background: var(--paper);
  position: relative;
}

.kpi .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pencil);
  text-transform: uppercase;
}

.kpi .value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1;
  margin-top: 8px;
  color: var(--accent);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.kpi .value i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.45em;
  color: var(--pencil);
  letter-spacing: 0.06em;
}

.kpi .value.ink {
  color: var(--ink);
}

.kpi .small {
  font-family: var(--font-hand);
  font-size: 15px;
  color: var(--pencil);
  margin-top: 6px;
}

/* Feature / workflow card */
.wf-card .wf-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.wf-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-s);
  border: 2px solid var(--ink);
  background: var(--paper-tint);
  color: var(--ink);
}

.wf-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--pencil);
  letter-spacing: 0.06em;
  background: var(--paper-tint);
  border: 1.5px solid var(--rule);
  border-radius: 999px;
  padding: 3px 9px;
  transform: rotate(0.6deg);
}

.card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 6px;
}

.card-text {
  font-family: var(--font-hand);
  color: var(--pencil);
  font-size: 17px;
  line-height: 1.4;
}

/* Compute/sync steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}

.step {
  position: relative;
  padding: 16px;
}

.step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pencil);
  background: var(--paper);
  border: 1.5px solid var(--pencil);
  border-radius: var(--radius-s);
  padding: 4px 8px;
  letter-spacing: 0.06em;
  transform: rotate(-1.2deg);
  margin-bottom: 12px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-text {
  font-family: var(--font-hand);
  color: var(--pencil);
  font-size: 16.5px;
  line-height: 1.4;
}

/* Spec sheet — mono definition rows */
.spec-card {
  padding: 8px 20px 14px;
}

.spec-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  padding-top: 14px;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.spec-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-top: 1.5px dashed var(--rule);
  align-items: baseline;
}

.spec-row:first-of-type {
  border-top: 0;
}

.spec-row dt {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pencil);
}

.spec-row dd {
  font-family: var(--font-hand);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.4;
}

/* Checklist — hand-drawn ticks */
.checklist li {
  position: relative;
  padding: 12px 0 12px 40px;
  border-top: 1.5px dashed var(--rule);
  color: var(--ink);
  font-size: 18px;
}

.checklist li:first-child {
  border-top: 0;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 17px;
  width: 16px;
  height: 9px;
  border-left: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
  transform: rotate(-48deg);
}

/* Roadmap timeline — dashed pencil rule, red dots */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 87px;
  top: 14px;
  bottom: 14px;
  width: 0;
  border-left: 2px dashed var(--pencil);
  opacity: 0.55;
}

.tl-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 16px 0;
  position: relative;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: 81px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--paper);
  transform: translateY(-50%) rotate(4deg);
  box-shadow: 0 0 0 1.5px var(--pencil);
}

.tl-ver {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pencil);
}

.tl-body h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 3px;
}

.tl-body p {
  font-family: var(--font-hand);
  color: var(--pencil);
  font-size: 17px;
}

.tl-q {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pencil);
  white-space: nowrap;
  background: var(--paper);
  border: 1.5px solid var(--pencil);
  border-radius: 999px;
  padding: 4px 10px;
  transform: rotate(-1deg);
}

.roadmap-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 4px 0 12px;
}

.roadmap-cta-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--pencil);
  text-transform: uppercase;
}

/* Next-step box (reference .next-step) — red pen border */
.next-step {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 2px solid var(--accent);
  border-radius: var(--radius-m);
  background: var(--paper);
  margin-top: 16px;
  transform: rotate(-0.3deg);
}

.next-step .head {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.next-step ul {
  margin: 6px 0 0;
  padding-left: 20px;
  font-family: var(--font-hand);
  font-size: 17px;
  color: var(--ink);
}

.next-step li + li {
  margin-top: 4px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    margin-bottom: 16px;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .tl-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px 0 14px 28px;
  }

  .timeline::before {
    left: 8px;
  }

  .tl-item::before {
    left: 4px;
  }
}