/* ===== R&D PAGE ===== */
.rnd-subtitle {
  font-size: 1.8rem;
  color: #000;
  text-align: center;
  max-width: 800px;
  margin: -20px auto 40px;
  line-height: 1.7;
}

/* Facilities intro box */
.rnd-intro-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--color-bg);
  border-radius: 20px;
  padding: 40px;
}

.rnd-intro-text {
  text-align: left;
}

.rnd-intro-text p {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 24px;
  text-align: justify;
}

.rnd-intro-image img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
  min-height: 40vh;
}

.rnd-facilities, .rnd-material {
  padding: 40px 0;
  text-align: center;
}

.rnd-cta-center {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

/* Product Development (dark) */
.rnd-product-dev {
  padding: 40px 20px;
}

.rnd-product-dev-inner {
  background: #000;
  border-radius: 24px;
  padding: 60px 40px;
  max-width: calc(100% - 40px);
  margin: 0 auto;
  text-align: center;
  color: var(--color-white);
}

.rnd-product-dev-inner h2 {
  /* font-size: 2rem;
  font-weight: 700; */
  margin: 16px;
}

.rnd-pd-subtitle {
  font-size: 1.8rem;
  color:#c8c6c6;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.rnd-pd-row {
  display: grid;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto 16px;
}

.rnd-pd-row1 {
  grid-template-columns: 1fr 1.8fr;
}

.rnd-pd-row2 {
  grid-template-columns: 1.8fr 1fr;
}

.rnd-pd-card {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  text-align: left;
}

.rnd-pd-text-only {
  padding: 24px;
}

.rnd-pd-text-only h4 {
  /* font-size: 0.95rem;
  font-weight: 700; */
  color: var(--color-dark);
  margin: 10px;
}

.rnd-pd-text-only p {
  font-size: 1.6rem;
  color: #645e5e;
  line-height: 1.5;
  margin: 10px;
}

.rnd-pd-combo {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.rnd-pd-combo-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.rnd-pd-combo-text {
  padding: 24px;
}

.rnd-pd-combo-text h4 {
  /* font-size: 0.95rem;
  font-weight: 700; */
  color: var(--color-dark);
  margin: 10px;
}

.rnd-pd-combo-text p {
 font-size: 1.6rem;
  color: #645e5e;
  line-height: 1.5;
  margin: 10px;
}

/* CAE Technology */
.rnd-cae {
  padding: 40px 0;
  text-align: center;
}

.cae-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cae-card {
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 28px 22px;
  background: var(--color-bg);
  text-align: left;
}

.cae-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 16px;
  color: var(--color-dark);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.cae-card h4 {
  /* font-size: 1rem;
  font-weight: 700; */
  color: var(--color-dark);
  line-height: 1.3;
  margin: 16px;
}

.cae-card ul {
  padding-left: 0;
}

.cae-card li {
  font-size: 1.6rem;
  color: #000;
  line-height: 1.6;
  margin: 16px;
  list-style: none;
  padding-left: 22px;
  position: relative;
}

.cae-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Dark card variant (last card) */
.cae-card-dark {
  background: var(--color-black);
}

.cae-card-dark .cae-icon {
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
  box-shadow: none;
}

.cae-card-dark h4 {
  color: var(--color-white);
}

.cae-card-dark li {
  color: #fff;
}

.cae-card-dark li::before {
  color: #fff;
}

/* Application Development */
.rnd-app-dev {
  padding: 60px 0;
  text-align: center;
}

/* Technical Support Carousel */
.rnd-tech-support {
  padding: 40px 20px;
}

.rnd-tech-support .container {
  text-align: center;
}

.ts-section-title {
  /* font-size: 1.8rem;
  font-weight: 700; */
  color: var(--color-dark);
  margin: 16px;
}

.ts-section-subtitle {
  font-size: 1.8rem;
  color: #000;
  max-width: 800px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

.ts-carousel {
  position: relative;
  overflow: hidden;
  padding: 20px 0;
}

.ts-track {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
}

.ts-circle {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  transition: all 0.5s ease;
  opacity: 0.3;
  transform: scale(1);
  filter: blur(4px);
  margin: 0 -12px;
  cursor: pointer;
  border: 1px solid #ccc;
}

.ts-circle.active {
  width: 200px;
  height: 200px;
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
  z-index: 5;
}

.ts-circle.near {
  width: 150px;
  height: 150px;
  opacity: 0.5;
  transform: scale(1);
  filter: blur(2px);
}

.ts-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ts-title {
  /* font-size: 1.4rem;
  font-weight: 700; */
  color: var(--color-black);
  margin-top: 24px;
  margin-bottom: 10px;
}

.ts-desc {
  font-size: 1.6rem;
  color: #000;
  max-width: 500px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

.ts-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ts-tab {
  padding: 10px 20px;
  border-radius: 30px;
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 500;
  font-family: var(--font-family);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.ts-tab.active {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.ts-tab:hover {
  border-color: var(--color-dark);
}

.rnd-tech-title {
  padding: 20px;
}

.rnd-tech-title .container {
  background: var(--color-black);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  color: var(--color-white);
}

.rnd-tech-title .section-title {
  color: var(--color-white);
}

.rnd-tech-title .rnd-subtitle {
  color: rgba(255,255,255,0.65);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1098px) {
 .cae-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .rnd-intro-box { grid-template-columns: 1fr; }
  .rnd-pd-grid { grid-template-columns: 1fr; }
  .rnd-pd-wide { grid-column: span 1; }
  .ts-tabs { gap: 6px; }

  .rnd-intro-image img {
  min-height: 20vh;
}
}

@media (max-width: 450px) {
 .cae-grid { grid-template-columns: 1fr; }
 .rnd-pd-row1 { grid-template-columns: 1fr; }
 .rnd-pd-row2 { grid-template-columns: 1fr; }
 .rnd-pd-combo { grid-template-columns: 1fr; }
 .rnd-product-dev { padding: 0;}
 .rnd-product-dev-inner { padding: 60px 20px;}
}