/* ==========================================================================
   Parklane — Generational Thinking
   Returns to a darker, richer tone after the Process section. Editorial and
   still: one dominant visual, long-form copy, five principles.
   ========================================================================== */

.gen {
  --gen-bg: #171a16;
  --gen-muted: #a8a397;          /* muted warm grey on the dark ground */
  --gen-hairline: rgba(242, 239, 229, 0.12);
  background: var(--gen-bg);
  color: var(--c-ivory);
}

/* Desktop: heading + visual on the left, copy + principles on the right */
.gen__layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  grid-template-areas:
    "head   ."
    "visual body";
  column-gap: clamp(3rem, 1rem + 6vw, 8rem);
  row-gap: clamp(2.5rem, 1.5rem + 2.5vw, 4rem);
  align-items: start;
}

.gen__head   { grid-area: head; }
.gen__visual { grid-area: visual; }
.gen__body   { grid-area: body; }

.gen__title {
  margin-top: var(--s-6);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 1.4rem + 3.6vw, 5rem);
  line-height: 1.04;
  letter-spacing: var(--tracking-heading);
}

.gen__title span,
.gen__title em {
  display: block;
}

.gen__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--c-limestone);
}

/* Visual ------------------------------------------------------------------- */

.gen__visual {
  margin: 0;
}

.gen__frame {
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  background:
    radial-gradient(70% 65% at 50% 50%, #20251f 0%, #151814 70%, #111310 100%);
  box-shadow: inset 0 0 0 1px var(--gen-hairline);
}

.gen__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 62%;     /* hold the curl of the stair in every crop */
}

.gen__caption {
  display: flex;
  gap: var(--s-4);
  margin-top: var(--s-4);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--gen-muted);
}

.gen__caption span {
  color: var(--c-brass);
}

/* Copy + principles -------------------------------------------------------- */

.gen__body {
  max-width: 28rem;
}

.gen__copy p {
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: var(--gen-muted);
}

.gen__copy p:first-child {
  color: var(--c-ivory);
}

.gen__copy p + p {
  margin-top: var(--s-5);
}

.gen__principles {
  position: relative;
  margin-top: var(--s-8);
}

/* Brass rule above the list draws across on reveal */
.gen__principles::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: var(--c-brass);
  transform-origin: left center;
}

.js .gen__principles[data-reveal]::before {
  transform: scaleX(0);
  transition: transform 1800ms var(--ease) 400ms;
}

.js .gen__principles[data-reveal].is-visible::before {
  transform: scaleX(1);
}

.gen__principles li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-5);
  padding-block: 1.125rem;
  border-bottom: 1px solid var(--gen-hairline);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

.gen__principles li span:last-child {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  color: var(--c-brass);
}

/* Tablet: keep two columns, tighter */
@media (max-width: 1024px) and (min-width: 641px) {
  .gen__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: var(--s-7);
  }
}

/* Phone: heading → image → copy → principles */
@media (max-width: 640px) {
  .gen__layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "visual"
      "body";
    row-gap: var(--s-7);
  }

  .gen__frame {
    aspect-ratio: 4 / 5;
  }

  .gen__principles {
    margin-top: var(--s-7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .gen__principles[data-reveal]::before {
    transform: none;
    transition: none;
  }
}