/* =========================================================
   PROJECTS SECTION & CARDS (Flexbox)
   ========================================================= */

.projects {
  background: var(--surface);
  padding-block: clamp(1.5rem, 3vh, 3rem);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  box-sizing: border-box;
}

.projects::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-section);
  pointer-events: none;
}

.projects__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(0.75rem, 2vh, 1.5rem);
}

.projects__grid {
  display: flex;
  gap: clamp(0.6rem, 1vw, 1rem);
  align-items: stretch;
  width: 100%;
}

.projects__grid .card {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* ── Card Component ── */
.card {
  position: relative;
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition:
    background-color var(--transition-base),
    transform var(--transition-slow);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(137, 208, 237, 0.07) 0%,
    transparent 65%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover {
  background: var(--surface-container-high);
}

.card:hover::before {
  opacity: 1;
}

.card__image-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: clamp(12vh, 20vh, 25vh);
  background: var(--surface-container-highest);
  overflow: hidden;
  flex-shrink: 0;
}

.card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
  filter: brightness(0.85) saturate(0.9);
}

.card:hover .card__image-wrap img {
  transform: scale(1.04);
  filter: brightness(0.95) saturate(1.1);
}

/* Skeleton loader */
.card__image-wrap.is-loading {
  background: linear-gradient(
    90deg,
    var(--surface-container-high) 25%,
    var(--surface-container-highest) 50%,
    var(--surface-container-high) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

.card__body {
  padding: clamp(0.75rem, 1.5vh, 1.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1 1 0%;
  min-height: 0;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: clamp(0.25rem, 0.5vw, 0.5rem);
  min-height: 48px;
  margin-bottom: clamp(0.3rem, 0.8vh, 0.6rem);
}

.card__title {
  font-size: clamp(1.05rem, 1.2vw, 1.3rem);
  font-weight: var(--font-subhead);
  letter-spacing: var(--tracking-snug);
  color: var(--on-surface);
  margin-bottom: clamp(0.25rem, 0.5vh, 0.5rem);
  line-height: var(--leading-snug);
}

.card__description {
  font-size: clamp(0.8rem, 0.85vw, 0.875rem);
  color: var(--on-surface-variant);
  line-height: 1.45;
  margin-bottom: clamp(0.5rem, 1vh, 0.85rem);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-3);
}

/* Card image placeholders */
.card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  user-select: none;
}

.card-image--gold {
  background: linear-gradient(135deg,
      var(--surface-container-highest) 0%,
      rgba(250, 189, 0, 0.08) 50%,
      var(--surface-container-high) 100%);
  font-size: 4rem;
}

.card-image--teal {
  background: linear-gradient(135deg,
      var(--surface-container-high) 0%,
      rgba(137, 208, 237, 0.08) 100%);
}

.card-image--blue {
  background: linear-gradient(135deg,
      rgba(0, 98, 123, 0.15) 0%,
      var(--surface-container-high) 100%);
}

/* ── Projects Responsive ── */
@media (max-width: 1100px) and (min-width: 769px) {
  .projects__grid {
    flex-wrap: wrap;
  }

  .projects__grid .card {
    flex: 1 1 calc(50% - (clamp(0.6rem, 1vw, 1rem) / 2));
    min-width: calc(50% - (clamp(0.6rem, 1vw, 1rem) / 2));
  }
}

@media (max-width: 768px) {
  .projects {
    min-height: auto;
    padding-block: clamp(2rem, 5vh, 4rem);
  }

  .projects__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .projects__grid {
    flex-direction: column;
    gap: var(--space-6);
  }

  .projects__grid .card {
    flex: 1 1 100%;
    min-width: 100%;
  }

  .card__tags {
    min-height: auto;
  }

  .card__image-wrap {
    aspect-ratio: 16 / 9;
    max-height: none;
  }

  .card__title {
    font-size: var(--text-xl);
  }
}