/* ============================================================
   08-why — sticky photo collage + sequential differentiators
   All selectors scoped under .sec-08-why
   ============================================================ */

.sec-08-why {
  background: radial-gradient(120% 85% at 50% 0%, #fbf9f3 0%, var(--bone) 50%, #eee8db 100%);
  position: relative;
}

.sec-08-why__head {
  text-align: center;
  margin-inline: auto;
}
.sec-08-why__head .eyebrow { justify-content: center; }
.sec-08-why__head h2 { margin-inline: auto; }

.sec-08-why__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 2rem + 4vw, 6rem);
  align-items: start;
}

/* --- collage column (sticky on desktop) --- */
.sec-08-why__collage-col {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  align-self: start;
}

.sec-08-why__collage {
  position: relative;
  padding: 2.5rem 2rem 3.5rem 0;
}

.sec-08-why__frame {
  position: absolute;
  top: 3.5rem;
  right: -0.75rem;
  width: 62%;
  height: 58%;
  border: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.sec-08-why__photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  position: relative;
}
.sec-08-why__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sec-08-why__photo--a {
  width: 82%;
  aspect-ratio: 900 / 680;
  z-index: 1;
}
.sec-08-why__photo--b {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 52%;
  aspect-ratio: 620 / 480;
  z-index: 2;
  border: 6px solid var(--bone);
}

.sec-08-why__badge {
  position: absolute;
  left: -0.5rem;
  bottom: 0.5rem;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  background: var(--white);
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lift);
}
.sec-08-why__badge strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-on-bone);
}
.sec-08-why__badge span {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 600;
}

/* --- differentiator list --- */
.sec-08-why__list {
  display: flex;
  flex-direction: column;
  gap: clamp(2.25rem, 1.75rem + 2vw, 3.5rem);
}

.sec-08-why__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 1.25rem;
  padding: 0.25rem 0;
  opacity: 0.55;
  transition: opacity 400ms var(--ease-out);
}
.sec-08-why__item.is-active {
  opacity: 1;
}

.sec-08-why__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-on-bone-dim);
  transition: color 400ms var(--ease-out);
}
.sec-08-why__item.is-active .sec-08-why__num {
  color: var(--accent-strong);
}

.sec-08-why__title {
  margin-bottom: 0.5rem;
}
.sec-08-why__copy {
  color: var(--text-on-bone-dim);
  max-width: 46ch;
}

.sec-08-why__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 2px solid var(--line-bone);
  color: var(--accent-strong);
  transition: border-color 400ms var(--ease-out);
}
.sec-08-why__item.is-active .sec-08-why__check {
  border-color: var(--accent-strong);
}
.sec-08-why__check-path {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  transition: stroke-dashoffset 500ms var(--ease-out);
}
.sec-08-why__item.is-active .sec-08-why__check-path {
  stroke-dashoffset: 0;
}

/* --- responsive --- */
@media (max-width: 900px) {
  .sec-08-why__grid {
    grid-template-columns: 1fr;
  }
  .sec-08-why__collage-col {
    position: static;
    top: auto;
    margin-bottom: 1rem;
  }
  .sec-08-why__collage {
    max-width: 420px;
    margin-inline: auto;
  }
  .sec-08-why__item {
    opacity: 1;
  }
  .sec-08-why__num {
    color: var(--accent-strong);
  }
  .sec-08-why__check {
    border-color: var(--accent-strong);
  }
  .sec-08-why__check-path {
    stroke-dashoffset: 0;
  }
}

html.reduced-motion .sec-08-why__photo {
  transform: none !important;
}