/* Research & Development page. Builds on about-*.css; only adds what that sheet lacks. */

.research-hero .about-hero-grid {
  grid-template-columns: 1fr 1.2fr;
}

.research-hero-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  aspect-ratio: 1655 / 950;
  object-fit: cover;
}

.research-reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 16px;
}

.research-reason h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #000;
  margin-bottom: 12px;
  padding-top: 20px;
  border-top: 2px solid #0052ff;
}

.research-thread-intro {
  max-width: 780px;
}

.research-timeline {
  list-style: none;
  margin: 64px 0 0;
  padding: 0;
  border-top: 1px solid #e5e5e5;
}

.research-project {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 80px;
  padding: 56px 0;
  border-bottom: 1px solid #e5e5e5;
}

.research-project-meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.research-project-number {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1;
  color: #0052ff;
}

.research-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid currentColor;
  border-radius: 2px;
  color: #444;
}

.research-badge--production {
  color: #0a7a3d;
}

.research-badge--ongoing,
.research-badge--mvp {
  color: #0052ff;
}

.research-badge--pilot {
  color: #fff;
  background: #0052ff;
  border-color: #0052ff;
}

.research-project-dates {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #666;
}

.research-project h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #000;
  margin-bottom: 28px;
}

.research-field {
  margin-bottom: 20px;
}

.research-field:last-child {
  margin-bottom: 0;
}

.research-field-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 6px;
}

.research-field--question p {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.55;
  color: #000;
  letter-spacing: -0.015em;
}

.research-field a {
  color: #0052ff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.research-project .about-figure {
  margin-top: 36px;
}

.research-pilot {
  background: #0b0f1a;
  color: #fff;
}

.research-pilot .about-eyebrow {
  color: #7ea6ff;
}

.research-pilot .about-section-h2 {
  color: #fff;
}

.research-pilot .about-body-p,
.research-pilot .about-spec-list li {
  color: rgba(255, 255, 255, 0.78);
}

.research-pilot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.research-pilot-btn {
  display: inline-block;
  margin-top: 12px;
  background: #fff;
  color: #000;
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 1.05rem;
  text-decoration: none;
}

.research-pilot-btn:hover {
  background: #7ea6ff;
}

.research-pilot h3 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 16px;
}

@media (max-width: 1024px) {
  .research-hero .about-hero-grid,
  .research-pilot-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .research-reasons {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .research-project {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0;
  }

  .research-project-meta {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .research-project-number {
    font-size: 1.8rem;
  }

  .research-project-dates {
    flex-basis: 100%;
  }
}