/* ============================================================
   SROF overview — v37 enhancement layer
   Keeps the SROF landing page calm and readable without
   changing the tier and type pages.
   ============================================================ */

.gd-srof-overview-page .gd-srof-hero {
  margin-bottom: 0 !important;
  padding-bottom: 1.5rem !important;
  border-bottom: 0 !important;
}

.gd-srof-overview-page .gd-research-nav {
  margin: 0;
  border-top: 1px solid var(--gd-line);
  border-bottom: 1px solid var(--gd-line);
  background: rgba(255, 255, 255, 0.72);
}

.gd-srof-overview-page .gd-research-nav__inner {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.gd-srof-overview-page .gd-section--paper {
  padding-top: clamp(1.9rem, 4vw, 3.2rem);
}

/* ── Overview container ── */
.gd-srof-overview {
  width: min(100%, 1080px);
  margin-inline: auto;
}

/* ── Intro block ── */
.gd-srof-overview__intro {
  width: min(100%, 78ch);
  margin-inline: auto;
}

.gd-srof-overview__intro p,
.gd-srof-overview__context p {
  margin: 0;
  color: #303030;
  line-height: 1.74;
}

.gd-srof-overview__intro p + p,
.gd-srof-overview__context p + p {
  margin-top: 1rem;
}

.gd-srof-overview__lead {
  color: var(--gd-ocean) !important;
  font-size: clamp(1.06rem, 1.35vw, 1.17rem);
}

/* ── Figure block ── */
.gd-srof-overview__figure {
  width: min(100%, 980px);
  margin: clamp(1.9rem, 4vw, 3.1rem) auto;
  padding: clamp(0.55rem, 1.2vw, 0.88rem);
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: #fff;
  box-shadow: var(--gd-shadow-card, 0 4px 18px rgba(0, 0, 0, 0.08));
}

.gd-srof-overview__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
}

.gd-srof-overview__figure figcaption {
  max-width: 92ch;
  margin: 0.8rem auto 0.1rem;
  color: #3a3a3a;
  font-size: 0.84rem;
  line-height: 1.5;
  text-align: left;
}

/* ── Dimensions section ── */
.gd-srof-overview__dimensions {
  margin-top: clamp(2.1rem, 4.2vw, 3.4rem);
}

.gd-srof-overview__section-title {
  margin: 0 0 1rem;
  color: var(--gd-ocean);
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  line-height: 1.2;
}

/* ── Cube grid ── */
.gd-srof-overview .gd-cube-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
  margin: 0;
}

.gd-srof-overview .gd-cube-grid > div {
  min-width: 0;
  padding: 1.1rem 1.1rem 1.15rem;
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-top: 3px solid var(--gd-ocean);
  background: #fff;
  box-shadow: var(--gd-shadow-card, 0 4px 18px rgba(0, 0, 0, 0.08));
  transition:
    transform var(--gd-transition-base, 240ms ease),
    box-shadow var(--gd-transition-base, 240ms ease);
}

.gd-srof-overview .gd-cube-grid > div:hover {
  transform: translateY(-2px);
  box-shadow: var(--gd-shadow-card-hover, 0 12px 32px rgba(0, 0, 0, 0.14));
}

.gd-srof-overview .gd-cube-grid strong,
.gd-srof-overview .gd-cube-grid span {
  display: block;
}

.gd-srof-dimension__code {
  margin-bottom: 0.58rem;
  color: var(--gd-terracotta-dk);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.gd-srof-overview .gd-cube-grid strong {
  color: var(--gd-ocean);
  font-size: 1.04rem;
}

.gd-srof-overview .gd-cube-grid strong + span {
  margin-top: 0.48rem;
  color: #3a3a3a;
  font-size: 0.91rem;
  line-height: 1.58;
}

/* ── Context block ── */
.gd-srof-overview__context {
  width: min(100%, 78ch);
  margin: clamp(2.1rem, 4.2vw, 3.4rem) auto 0;
  padding: 1.15rem 1.3rem;
  border-left: 3px solid var(--gd-terracotta);
  background: rgba(255, 255, 255, 0.78);
}

/* ── Mobile ── */
@media (max-width: 760px) {
  .gd-srof-overview .gd-cube-grid {
    grid-template-columns: 1fr;
  }

  .gd-srof-overview__context {
    padding: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gd-srof-overview .gd-cube-grid > div {
    transition: none;
  }
}