/* Summaverick — How it works as a quiet research timeline.
   Desktop: horizontal SEARCH → LIVE SEARCH → REASON → VERIFY
   Mobile: compact vertical steps. Reveals once on scroll. */

.sm-how {
  --sm-how-composer: var(--composer-h, 132px);
  position: relative;
  width: 100%;
  margin: 40px 0 8px;
  color: inherit;
  isolation: isolate;
}

.sm-how__pin {
  position: relative;
  height: auto;
  overflow: visible;
  background: transparent;
}

.sm-how__canvas,
.sm-how__veil,
.sm-how__pips,
.sm-how__progress {
  display: none;
}

.sm-how__copy {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 0;
}

.sm-how__kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint, rgba(255, 255, 255, 0.34));
  margin-bottom: 18px;
}

.sm-how__acts {
  position: relative;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.sm-how__act {
  position: relative;
  opacity: 0.42;
  transform: none;
  filter: none;
  padding: 0 0 22px 22px;
  transition: opacity var(--motion-normal, 260ms) var(--ease-standard, ease);
}

.sm-how__act::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 0;
  width: 1px;
  background: var(--border, rgba(255, 255, 255, 0.08));
}

.sm-how__act:last-of-type {
  padding-bottom: 8px;
}

.sm-how__act:last-of-type::before {
  display: none;
}

.sm-how.is-revealed .sm-how__act {
  opacity: 1;
}

.sm-how__index {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-faint, rgba(255, 255, 255, 0.34));
  margin-bottom: 6px;
}

.sm-how__title {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 560;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text, inherit);
}

.sm-how__body {
  margin: 6px 0 0;
  max-width: 36rem;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.5;
  color: var(--text-muted, rgba(255, 255, 255, 0.58));
}

.sm-how__cta {
  position: relative;
  z-index: 2;
  margin-top: 10px;
  margin-left: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--send-bg, #fff);
  color: var(--send-fg, #050608);
  font: inherit;
  font-size: 14px;
  font-weight: 560;
  cursor: pointer;
}

.sm-how__cta svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sm-how-line {
  display: none;
}

@media (min-width: 1024px) {
  .sm-how { margin-top: 56px; }

  .sm-how__acts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    padding-top: 18px;
  }

  .sm-how__act {
    padding: 12px 0 0;
  }

  .sm-how__act::before { display: none; }

  .sm-how-line {
    display: block;
    position: absolute;
    top: 0;
    left: 6%;
    right: 6%;
    height: 1px;
    background: var(--border, rgba(255, 255, 255, 0.08));
    overflow: hidden;
  }

  .sm-how-line > span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--text-faint, rgba(255, 255, 255, 0.34));
  }

  .sm-how.is-revealed .sm-how-line > span {
    animation: sm-how-line 720ms var(--ease-standard, ease) forwards;
  }

  .sm-how__cta { margin-left: 0; }
}

@keyframes sm-how-line {
  to { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .sm-how__act,
  .sm-how.is-revealed .sm-how__act {
    opacity: 1;
    transition: none;
  }

  .sm-how.is-revealed .sm-how-line > span {
    animation: none;
    width: 100%;
  }
}