/* Projects page-specific styles. */

/* ========== Project cards ========== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.project-grid.three {
  grid-template-columns: repeat(3, 1fr);
}
.project-card {
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  cursor: pointer;
  transition:
    transform var(--t),
    box-shadow var(--t);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(31, 53, 100, 0.22);
}
.project-image {
  aspect-ratio: 4/3;
  background: var(--graphite);
  position: relative;
  overflow: hidden;
}
.project-info {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 0.5rem;
  padding: 1rem 1.1rem 1.15rem;
}
.project-info h3 {
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  margin-bottom: 0.25rem;
}
.project-info p {
  color: var(--muted);
  font-size: 0.78rem;
}
.project-info .arrow {
  color: var(--blue);
  font-size: 1.1rem;
}
.center-row {
  display: flex;
  justify-content: center;
  margin-top: 2.4rem;
}

/* ========== Filter chips ========== */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 2.4rem;
}
.chip {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border: 1px solid var(--light-line);
  color: var(--light-muted);
  background: transparent;
  cursor: pointer;
  transition: var(--t);
}
.chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.chip.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* ========== Featured project ========== */
.featured-project-section {
  padding-top: 4.8rem;
  padding-bottom: 4.8rem;
}

.featured-project-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid rgba(59, 130, 246, 0.18);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  overflow: hidden;
  transition:
    transform var(--t),
    border-color var(--t),
    box-shadow var(--t);
}

.featured-project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.42);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.38),
    0 0 35px rgba(59, 130, 246, 0.12);
}

.featured-project-image {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  background: var(--graphite);
}

.featured-project-copy {
  padding: clamp(2rem, 4vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-project-copy h2 {
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 0.95;
  max-width: 12ch;
  letter-spacing: -0.04em;
}

.featured-project-copy p:not(.eyebrow) {
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: 1.6rem;
}

/* ========== Backend-ready realistic sample project updates ========== */
.project-card.is-hidden {
  display: none;
}

.project-card {
  position: relative;
  border: 1px solid transparent;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 25px 60px rgba(31, 53, 100, 0.25);
}

.project-image::after,
.featured-project-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to top,
      rgba(0,0,0,.65),
      transparent 60%
    );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-image::after,
.featured-project-card:hover .featured-project-image::after {
  opacity: 1;
}

/* ========== Project modal ========== */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
}

.project-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.project-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(12px);
}

.project-modal-panel {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  max-height: min(860px, 92vh);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  background:
    linear-gradient(180deg, rgba(16, 20, 27, 0.98), rgba(8, 11, 16, 0.99));
  border: 1px solid rgba(59, 130, 246, 0.28);
  box-shadow:
    0 35px 110px rgba(0, 0, 0, 0.72),
    inset 0 1px 0 rgba(255,255,255,0.04);
  overflow: hidden;
}

.project-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(59, 130, 246, 0.45);
  background: rgba(0,0,0,0.52);
  color: var(--white);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.project-modal-media {
  position: relative;
  min-height: 620px;
  background: var(--black);
}

.project-main-media,
.project-main-media img,
.project-main-media video {
  width: 100%;
  height: 100%;
  min-height: 620px;
}

.project-main-media img,
.project-main-media video {
  object-fit: cover;
  display: block;
}

.project-modal-placeholder {
  width: 100%;
  min-height: 620px;
}

.project-media-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 44px;
  height: 54px;
  transform: translateY(-50%);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.46);
  color: var(--white);
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  transition:
    background var(--t),
    border-color var(--t),
    transform var(--t);
}

.project-media-arrow:hover {
  background: rgba(59, 130, 246, 0.3);
  border-color: rgba(59, 130, 246, 0.55);
}

.project-media-prev {
  left: 1rem;
}

.project-media-next {
  right: 1rem;
}

.project-modal-details {
  padding: clamp(1.8rem, 3vw, 3rem);
  overflow-y: auto;
}

.project-modal-details h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1;
  margin: 0.7rem 0;
  letter-spacing: -0.04em;
}

.project-modal-location {
  color: var(--blue-bright);
  font-weight: 700;
  margin-bottom: 1rem;
}

.project-modal-details p {
  color: var(--off);
  line-height: 1.75;
}

.project-modal-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.project-empty-gallery {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 1rem;
  border: 1px dashed rgba(255,255,255,0.16);
}

.project-thumb {
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--graphite);
  cursor: pointer;
  overflow: hidden;
  opacity: 0.72;
  transition:
    opacity var(--t),
    border-color var(--t),
    transform var(--t);
}

.project-thumb.is-active,
.project-thumb:hover {
  opacity: 1;
  border-color: var(--blue);
  transform: translateY(-2px);
}

.project-thumb img,
.project-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  .featured-project-card,
  .project-modal-panel {
    grid-template-columns: 1fr;
  }

  .featured-project-image,
  .project-modal-media,
  .project-main-media,
  .project-main-media img,
  .project-main-media video,
  .project-modal-placeholder {
    min-height: 380px;
  }

  .project-modal {
    padding: 1rem;
  }
}

@media (max-width: 600px) {
  .filter-row {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.4rem;
  }

  .chip {
    flex: 0 0 auto;
  }

  .featured-project-copy {
    padding: 2rem 1.4rem;
  }

  .project-modal {
    padding: 0.75rem;
  }

  .project-modal-panel {
    max-height: 92vh;
  }

  .project-modal-thumbs {
    grid-template-columns: repeat(3, 1fr);
  }

  .project-media-arrow {
    width: 38px;
    height: 48px;
  }
}