/* ============================================================
   Projects: project cards and the image slider.
   Markup: <section id="projects"> in index.html. JS: projects.js.
   ============================================================ */

/* ----------------------- Projects ----------------------- */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent);
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  flex: 1;
  padding: 0 8px 8px;
}

.project-details > div:first-child {
  flex: 1;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.project-description {
  color: var(--muted);
  font-size: 0.96rem;
  margin-bottom: 8px;
}

.stack-heading {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-tech-stack img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  padding: 7px;
  border-radius: 10px;
  background: var(--card-img-bg);
  border: 1px solid var(--border);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.project-tech-stack img:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
}

.project-btn-div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.project-btn-div .btn {
  font-size: 0.88rem;
  padding: 0.6rem 1.2rem;
}

/* ----------------------- Slider (project carousels) ----------------------- */

.slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card-img-bg);
  border: 1px solid var(--border);
}

.slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s var(--ease);
}

.slide {
  flex: 0 0 100%;
  height: 100%;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(7, 11, 24, 0.55);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  backdrop-filter: blur(6px);
  transition: opacity 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.slider:hover .slider-btn,
.slider:focus-within .slider-btn {
  opacity: 1;
}

.slider-btn:hover {
  background: var(--accent);
}

.slider-prev {
  left: 10px;
}

.slider-next {
  right: 10px;
}

.slider-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: 7px;
}

.slider-dots button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: none;
  padding: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.45);
  transition: width 0.3s var(--ease), background 0.3s var(--ease);
}

.slider-dots button.active {
  width: 26px;
  background: var(--accent-2);
}

/* touch devices: always show arrows */

@media (hover: none) {
  .slider-btn {
      opacity: 1;
    }
}

@media (max-width: 1100px) {
  .projects-grid {
      grid-template-columns: 1fr;
      max-width: 720px;
      margin: 0 auto;
    }
}

@media (max-width: 560px) {
  .project-btn-div {
      flex-direction: column;
    }

  .project-btn-div .btn {
      width: 100%;
    }

  .slider {
      aspect-ratio: 4 / 3;
    }
}