:root {
    --gap: 1rem; /* reduced from 1.25rem to tighten spacing between slides */
    --speed: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --closed: 5rem;
    --open: 70rem;
    --accent: #0C4D54;
}

.head h2 {
    font: 400 1.5rem/1.2 Inter, sans-serif;
    color: #fff;
}

@media (min-width: 1024px) {
    .head h2 {
        font-size: 2.25rem;
    }
}



.nav-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.slider {
    max-width: 1400px;
    margin: auto;
    overflow: hidden;
}

.controls {
    display: flex;
    gap: 0.5rem;
}

.track {
    display: flex;
    gap: var(--gap);
    align-items: flex-start; /* align items to start to avoid extra vertical offset */
    justify-content: flex-start; /* prevent centering gaps when there is leftover space */
    scroll-behavior: smooth;
    margin-top: 1rem;
}

.track::-webkit-scrollbar {
    display: none;
}

.project-card {
    margin: 0; /* remove any default margins that could add gaps */
    position: relative;
    flex: 0 0 var(--closed);
    height: 26rem;
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
    transition: flex-basis var(--speed);
    /* Prevent layout shifts */
    contain: layout style paint;
    will-change: flex-basis;
}

.project-card[active] {
    flex-basis: var(--open);
}

.project-card__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.75) saturate(75%);
    transition: filter 0.3s, transform var(--speed);
    /* Smooth transform */
    transform: translateZ(0);
}

.project-card:hover .project-card__bg {
    filter: brightness(0.9) saturate(100%);
    transform: scale(1.06);
}

.project-card__content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3.2rem;
    padding: 1.2rem 2rem;
    background: linear-gradient(transparent 40%, rgba(0, 0, 0, 0.85) 100%);
    z-index: 2;
    /* Prevent jumping by using translate3d for hardware acceleration */
    transform: translate3d(0, 20px, 0);
    transition: transform var(--speed), opacity 0.3s ease;
    /* Improve performance */
    backface-visibility: hidden;
    perspective: 1000px;
    will-change: transform;
}

.project-card[active] .project-card__content {
    transform: translate3d(0, 0, 0);
}

.project-card__title {
    margin-bottom: 14px;
    color:white;
    font-weight: bold;
    font-size: 1.5rem;
    writing-mode: vertical-rl;
    transform: rotate(180deg) translateY(8px);
    transform-origin: center;
    transition: all var(--speed) ease;
    /* Prevent text reflow issues */
    white-space: nowrap;
    line-height: 1.2;
    backface-visibility: hidden;
    will-change: transform, font-size, writing-mode;
}

.project-card[active] .project-card__title {
    font-size: 2.4rem;
    writing-mode: horizontal-tb;
    transform: none;
}

.project-card__thumb,
.project-card__desc,
.project-card__btn {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease 0.1s, visibility 0.3s ease 0.1s;
}

.project-card[active] .project-card__thumb,
.project-card[active] .project-card__desc,
.project-card[active] .project-card__btn {
    opacity: 1;
    visibility: visible;
}

.project-card__thumb {
    width: 250px;
    height: 269px;
    border-radius: 0.45rem;
    object-fit: cover;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    /* Prevent image jumps */
    flex-shrink: 0;
}

.project-card__desc {
    color: #ddd;
    font-size: 1rem;
    line-height: 1.4;
    max-width: 16rem;
    /* Prevent text reflow jumps */
    min-height: 3.5em;
}

.project-card__btn {
    padding: 0.55rem 1.3rem;
    border: none;
    border-radius: 9999px;
    background: var(--accent);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    /* Prevent button size jumps */
    flex-shrink: 0;
}
.project-card__btn:hover{
    background: var(--main-color-two);
    color:#0c0c0c ;
}

.dots {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    padding: 20px 0;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: 0.3s;
}

.dot.active {
    background: var(--accent);
    transform: scale(1.2);
    width: 39px;
    border-radius: 10px;
}

.track {
  display: flex;
  justify-content: center;
  gap: 1rem;
  overflow-x: hidden;
}

.project-card {
  flex: 0 0 5rem;
  height: 26rem;
  border-radius: 1rem;
  transition: flex-basis 0.5s ease;
}

.project-card[active] {
  flex-basis: 70rem;
}

  
/* Mobile Optimization */
@media (max-width: 767px) {
  .track {
    flex-direction: column;
  }

  .project-card {
    flex: 0 0 auto;
    width: 100%;
    height: auto;
    min-height: 80px;
  }

  .project-card[active] {
    min-height: 320px;
  }

  .project-card__content {
    flex-direction: column;
    align-items: flex-start;
    transform: none !important;
  }

  .project-card__title {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 1.3rem;
  }

  .dots {
    display: none;
  }
}


.swiper-pagination {
  position: static !important;
  margin-top: 3.5rem;
}