/* ============ RESEARCH HERO SECTION ============ */
.research-hero {
  background: #ffffff;
  padding: 64px 0;
  overflow: hidden;
}

.research-hero__container {
  max-width: min(1600px, 94%);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 48px;
}

.research-hero__content {
  max-width: 420px;
}

.research-hero__title {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 48px;
  line-height: 1.1;
  color: #0d3b2c;
  margin-bottom: 12px;
}

.research-hero__subtitle {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: #0d3b2c;
  margin-bottom: 14px;
}

.research-hero__divider {
  display: block;
  width: 40px;
  height: 3px;
  background: #c99a3c;
  border-radius: 2px;
  margin-bottom: 18px;
}

.research-hero__text {
  font-size: 15px;
  line-height: 1.75;
  color: #5b6b64;
}

.research-hero__media {
  width: 100%;
  aspect-ratio: 1610 / 977;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(13, 59, 44, 0.08);
}

.research-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .research-hero__container {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .research-hero__content {
    max-width: 100%;
    margin: 0 auto;
  }

  .research-hero__divider {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .research-hero {
    padding: 48px 0;
  }

  .research-hero__container {
    padding: 0 20px;
  }

  .research-hero__title {
    font-size: 36px;
  }

  .research-hero__subtitle {
    font-size: 16px;
  }
}

/* ============ RESEARCH FEATURES (icon cards) ============ */
.research-features {
  background: #ffffff;
  padding: 20px 0 80px;
}

.research-features__grid {
  max-width: min(1600px, 94%);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #e7ece8;
  border-radius: 14px;
  padding: 34px 26px 30px;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: #c99a3c;
  box-shadow: 0 20px 40px -18px rgba(13, 59, 44, 0.28);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #0d3b2c;
  transition: transform 0.28s ease, color 0.28s ease;
}

.feature-card__icon svg {
  width: 34px;
  height: 34px;
  stroke: currentColor;
}

.feature-card:hover .feature-card__icon {
  color: #c99a3c;
  transform: scale(1.08);
}

.feature-card__title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: #0d3b2c;
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: #5b6b64;
  margin-bottom: 18px;
}

.feature-card__divider {
  display: block;
  width: 34px;
  height: 3px;
  border-radius: 2px;
  background: #c99a3c;
  opacity: 0.55;
  transition: width 0.28s ease, opacity 0.28s ease;
}

.feature-card:hover .feature-card__divider {
  width: 54px;
  opacity: 1;
}

/* ---- responsive ---- */
@media (max-width: 991px) {
  .research-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .research-features__grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }

  .research-features {
    padding: 10px 0 60px;
  }
}

/* ============ TECHNOLOGY INSIGHTS SECTION ============ */
.tech-insights {
  background: #ffffff;
  padding: 20px 0 90px;
}

.tech-insights__container {
  max-width: min(1600px, 94%);
  margin: 0 auto;
  padding: 32px 32px 0;
  border-top: 1px solid #e7ece8;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.tech-insights__content {
  padding-top: 40px;
}

.tech-insights__title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: #0d3b2c;
  margin-bottom: 10px;
}

.tech-insights__divider {
  display: block;
  width: 40px;
  height: 3px;
  background: #c99a3c;
  border-radius: 2px;
  margin-bottom: 16px;
}

.tech-insights__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: #5b6b64;
}

.tech-insights__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 40px;
}

.insight-card {
  background: #ffffff;
  border: 1px solid #e7ece8;
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.insight-card:hover {
  transform: translateY(-6px);
  border-color: #c99a3c;
  box-shadow: 0 20px 40px -18px rgba(13, 59, 44, 0.28);
}

.insight-card__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.insight-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.insight-card:hover .insight-card__media img {
  transform: scale(1.06);
}

.insight-card__body {
  padding: 20px 20px 24px;
}

.insight-card__category {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #12523a;
  margin-bottom: 10px;
}

.insight-card__title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: #0d3b2c;
  margin-bottom: 10px;
}

.insight-card__desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: #5b6b64;
  margin-bottom: 14px;
}

.insight-card__meta {
  font-size: 12.5px;
  color: #7c8781;
}

/* ---- responsive ---- */
@media (max-width: 991px) {
  .tech-insights__container {
    grid-template-columns: 1fr;
  }

  .tech-insights__content {
    padding-top: 24px;
  }

  .tech-insights__cards {
    grid-template-columns: repeat(2, 1fr);
    padding-top: 24px;
  }
}

@media (max-width: 560px) {
  .tech-insights__container {
    padding: 24px 20px 0;
  }

  .tech-insights__cards {
    grid-template-columns: 1fr;
  }
}


.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 15px;   /* ← icon size க்காக இது add pannunga */
}