.projects-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: transparent;
}

.projects-section::before {
  position: absolute;
  z-index: -1;
  right: -18rem;
  bottom: -16rem;
  width: min(54vw, 48rem);
  aspect-ratio: 1;
  pointer-events: none;
  content: "";
  opacity: 0.3;
  background: url("../../assets/zift_helmet.svg") center / contain no-repeat;
  filter: blur(15px);
  transform: rotate(-8deg);
}

.projects-heading {
  max-width: 43rem;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
  text-align: center;
}

.projects-tag {
  display: inline-flex;
  margin-bottom: 1.25rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  color: var(--brand-white);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.projects-heading h2 {
  font-size: clamp(2.25rem, 4vw, 4rem);
}

.projects-heading > p:last-child {
  margin-top: 1rem;
  line-height: 1.65;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 2rem);
}

.projects-grid.is-detail-open {
  display: none;
}

.project-card {
  position: relative;
  aspect-ratio: 4 / 3;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--brand-white);
  background: var(--brand-bg-secondary);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.25);
  text-align: left;
  transition:
    transform var(--transition-slow),
    border-color var(--transition-slow),
    box-shadow var(--transition-slow);
}

.project-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(
    180deg,
    transparent 38%,
    rgba(4, 8, 15, 0.88) 100%
  );
}

.project-card img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card span {
  position: absolute;
  z-index: 1;
  right: 1.25rem;
  bottom: 1.2rem;
  left: 1.25rem;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 800;
  line-height: 1.15;
}

.project-card:hover,
.project-card.active {
  border-color: rgba(120, 169, 255, 0.7);
  box-shadow: 0 18px 42px rgba(36, 111, 255, 0.2);
  transform: translateY(-5px);
}

.project-card:hover img,
.project-card.active img {
  transform: scale(1.03);
}

.project-card:focus-visible {
  outline: 2px solid #78a9ff;
  outline-offset: 3px;
}

.project-detail {
  display: grid;
  min-height: 29rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(
    135deg,
    rgba(40, 50, 70, 0.95),
    rgba(18, 26, 40, 0.95)
  );
  box-shadow: var(--brand-shadow);
  animation: project-detail-reveal 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.project-detail[hidden] {
  display: none;
}

.project-detail:focus-visible {
  outline: 2px solid rgba(120, 169, 255, 0.72);
  outline-offset: 5px;
}

.project-gallery {
  position: relative;
  width: 100%;
  min-height: 29rem;
  overflow: hidden;
}

.project-gallery-slides {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 29rem;
}

.project-gallery-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 29rem;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-gallery-slide.is-active {
  opacity: 1;
}

.project-gallery::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(
    180deg,
    rgba(8, 12, 20, 0.1) 0%,
    rgba(8, 12, 20, 0.35) 100%
  );
  pointer-events: none;
}

.project-gallery-nav {
  position: absolute;
  z-index: 2;
  top: 50%;
  width: 2.2rem;
  height: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--brand-white);
  background: rgba(10, 18, 32, 0.44);
  transform: translateY(-50%);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.project-gallery-nav.prev {
  left: 0.85rem;
}

.project-gallery-nav.next {
  right: 0.85rem;
}

.project-gallery-nav:hover {
  background: rgba(35, 72, 140, 0.55);
  border-color: rgba(170, 205, 255, 0.7);
}

.project-gallery-nav:focus-visible {
  outline: 2px solid #a7c5ff;
  outline-offset: 2px;
}

.project-gallery-dots {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 0.9rem;
  display: flex;
  gap: 0.5rem;
  transform: translateX(-50%);
}

.project-gallery-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.35);
  transition: transform var(--transition-base), background var(--transition-base);
}

.project-gallery-dot.is-active {
  background: #ffffff;
  transform: scale(1.15);
}

.project-detail-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 5rem);
}

.project-detail-label {
  margin-bottom: 0.8rem;
  color: #78a9ff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-detail h3 {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
}

.project-detail-content > p:not(.project-detail-label) {
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.0625rem;
  line-height: 1.55;
}

.project-back {
  align-self: flex-start;
  margin-top: 2rem;
  padding: 0.5rem 1rem;
  color: var(--brand-white);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  background: rgba(120, 169, 255, 0.08);
  border: 1px solid rgba(120, 169, 255, 0.2);
  transition:
    all var(--transition-base);
}

.project-back:hover {
  color: #78a9ff;
  background: rgba(120, 169, 255, 0.16);
  border-color: rgba(120, 169, 255, 0.4);
  box-shadow: 0 4px 12px rgba(57, 117, 235, 0.2);
  transform: translateX(-0.25rem);
}

.project-back:focus-visible {
  outline: 2px solid #78a9ff;
  outline-offset: 4px;
}

@keyframes project-detail-reveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 767px) {
  .projects-section::before {
    right: -13rem;
    bottom: -8rem;
    width: 30rem;
    opacity: 0.16;
    filter: blur(12px);
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-detail {
    grid-template-columns: 1fr;
  }

  .project-gallery,
  .project-gallery-slides,
  .project-gallery-slide {
    min-height: 18rem;
    max-height: 22rem;
  }

  .project-detail-content {
    padding: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-detail {
    animation: none;
  }
}