:root {
  --opti-blue: #0087d4;
  --opti-dark: #1a1a2e;
  --opti-light-gray: #ffffff;
  --opti-accent: #0081CC;
  --transition-duration: 0.55s;
}

/* UTILITY*/
.text-opti-blue {
  color: var(--opti-blue) !important;
}

.text-gray-800 {
  color: var(--opti-dark) !important;
}

.bg-opti-blue {
  background-color: var(--opti-blue) !important;
}

/* MAIN WRAPPER*/
.same-layout-wrapper {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

/* ABOUT SECTION*/
.about-section {
  position: relative;
  background: #f5fbff;
  padding: 100px 0;
  overflow: hidden;
}

.about-section .row {
  display: flex;
  flex-wrap: nowrap !important;
}

.about-section .col-lg-6 {
  width: 50% !important;
  max-width: 50% !important;
  flex: 0 0 50% !important;
}

/* IMAGE AREA*/
.image-wrapper {
  position: relative;
  height: 650px;
}

/* Decorative blue shape */
#shapeContainer {
  position: absolute;
  width: 80%;
  height: 80%;
  top: 15%;
  left: 15%;
  background-color: var(--opti-accent);
  border-radius: 40% 60% 70% 30% / 50% 50% 50% 50%;
  z-index: 1;
}

/* Image containers */
.image-box {
  position: absolute;
  overflow: hidden;
  z-index: 2;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.15);
  transition: all 0.5s ease;
  opacity: 0;
}

.image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Main image */
#mainImageContainer {
  width: 80%;
  height: 85%;
  top: 0;
  left: 0;
  border-radius: 1.5rem 4rem 1.5rem 4rem;
  z-index: 2;
}

/* Secondary image */
#secondaryImageContainer {
  width: 45%;
  height: 35%;
  bottom: 5%;
  right: 0;
  border-radius: 1rem 3rem 1rem 3rem;
  border: 6px solid #fff;
  z-index: 3;
}

/* TEXT CONTENT*/
#slide-content-inner {
  width: 100%;
  max-width: 500px;
  transition: all 0.5s ease;
}

#slide-content-inner h2 {
  font-size: clamp(1.5rem, 5vw, 2.8rem);
  font-weight: 700;
  max-width: 90%;
  margin-bottom: 1rem;
}

#slide-content-inner p {
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: 1rem;
}

/* ANIMATIONS*/
.slide-enter {
  opacity: 0;
  transform: translateY(40px);
}

.slide-center {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.slide-exit {
  opacity: 0;
  transform: translateY(-30px);
}

/* IMAGES */
.image-box {
  opacity: 0;
  transform: scale(0.96);
}

.image-box.image-center {
  opacity: 1;
  transform: scale(1);
  transition: all 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.image-box.image-exit {
  opacity: 0;
  transform: scale(0.92);
}

/* DOTS*/
.slide-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #dee2e6;
  margin-right: 1rem;
  cursor: pointer;
  transition: 0.3s ease;
}

.slide-dot.active {
  background-color: #0081CC;
  width: 30px;
  border-radius: 6px;
}

/* BUTTON*/
.btn-opti-blue {
  background-color: #0081CC;
  border-color: #0081CC;
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.6rem 1.8rem;
  border-radius: 0.7rem;
  transition: all 0.3s ease;
}

.btn-opti-blue:hover {
  background-color: #0081CC;
  border-color: #0081CC;
}

/* RESPONSIVE – TABLET & MOBILE */

@media (max-width: 992px) {
  .image-wrapper {
    height: 520px;
  }
}

/* MOBILE DESIGN RESET*/
@media (max-width: 768px) {

  .about-section {
    padding: 60px 0;
  }

  .about-section .row {
    flex-wrap: wrap !important;
  }

  .about-section .col-lg-6 {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 100% !important;
  }

  /* Remove decorative clutter */
  #shapeContainer,
  #secondaryImageContainer {
    display: none !important;
  }

  /* Clean image card */
  .image-wrapper {
    height: auto;
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
  }

  #mainImageContainer {
    position: relative;
    width: 65%;
    height: auto;
    aspect-ratio: 4 / 5;
    border-radius: 1.2rem;
  }

  #mainImageContainer img {
    border-radius: 1.2rem;
  }

  /* Centered text */
  #slide-content-inner {
    max-width: 90%;
    margin: 0 auto;
    text-align: center;
  }

  #slide-content-inner h2 {
    max-width: 100%;
  }

  #slide-content-inner p {
    font-size: 0.85rem;
    line-height: 1.5;
  }
}

/* EXTRA SMALL DEVICES*/
@media (max-width: 420px) {

  .about-section {
    padding: 40px 0;
  }

  #mainImageContainer {
    width: 80%;
    aspect-ratio: 3 / 4;
  }

  #slide-content-inner p {
    font-size: 0.8rem;
  }

  .btn-opti-blue {
    width: 100%;
  }
}