/* ========== project detail page styles ========== */

/* hero */
.project-hero {
  position: relative;
  height: 92vh;
  min-height: 680px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.project-hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--bg-elev);
}
.project-hero-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  opacity: 0;
  animation:
    heroFadeIn 1.4s ease 0.1s forwards,
    heroKenBurns 22s cubic-bezier(0.2, 0.5, 0.3, 1) 0.1s forwards;
}
@keyframes heroFadeIn { to { opacity: 1; } }
@keyframes heroKenBurns {
  0%   { transform: scale(1.12); }
  100% { transform: scale(1.02) translate3d(-1%, -0.5%, 0); }
}
.project-hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 32%, rgba(0,0,0,0) 50%, rgba(0,0,0,0.85) 100%);
}
.project-hero-content {
  position: relative;
  z-index: 2;
  padding: 0 32px 80px;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s, gap 0.2s;
}
.back-link::before { content: "←"; font-size: 14px; }
.back-link:hover { color: #fff; gap: 12px; }

.project-hero-content .num {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 16px;
}
.project-hero-content h1 {
  font-family: var(--display);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  font-size: clamp(40px, 7vw, 96px);
}

/* meta strip */
.project-meta {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.project-meta-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.project-meta-item {
  padding: 36px 0;
  padding-right: 24px;
  border-right: 1px solid var(--border);
}
.project-meta-item:last-child { border-right: none; padding-right: 0; }
.project-meta-item:first-child { padding-left: 0; }
.project-meta-item:not(:first-child) { padding-left: 24px; }

.project-meta-item .lbl {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.project-meta-item .val {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

/* body — use longhand so .container's horizontal padding is preserved */
.project-body { padding-top: 96px; padding-bottom: 64px; }
.project-body .intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}
.project-body .intro h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(20px, 1.6vw, 24px);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}
.project-body .intro .text {
  font-size: 19px;
  line-height: 1.55;
  color: var(--fg);
  max-width: 720px;
}
.project-body .intro .text p + p { margin-top: 24px; color: var(--fg-dim); font-size: 16px; }

/* gallery */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
  margin: 64px 0;
}
.project-gallery .gal-item {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-elev);
}
.project-gallery .gal-item.full {
  grid-column: span 2;
  aspect-ratio: 21 / 9;
}
.project-gallery .gal-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.project-gallery .gal-item:hover img { transform: scale(1.04); }

/* specs */
.project-specs {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
  margin-top: 32px;
}
.project-specs h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  margin-bottom: 32px;
}
.project-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.project-specs-grid li {
  list-style: none;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--fg-dim);
}
.project-specs-grid li strong {
  color: var(--fg);
  font-weight: 600;
  text-align: right;
}

/* prev / next nav */
.project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
  margin-top: 96px;
}
.project-nav a {
  display: block;
  padding: 56px 32px;
  transition: background 0.3s;
  position: relative;
}
.project-nav a:hover { background: var(--bg-elev); }
.project-nav a + a { border-left: 1px solid var(--border); }
.project-nav .direction {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fg-muted);
  display: block;
  margin-bottom: 14px;
}
.project-nav .title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.project-nav .next-prev { text-align: right; }

/* responsive */
@media (max-width: 980px) {
  .project-hero {
    height: 78vh;
    min-height: 540px;
  }
  .project-hero-content { padding: 0 24px 48px; }
  .project-hero-content h1 { font-size: clamp(36px, 8vw, 64px); }

  /* meta strip — single column from 980px down, clean horizontal dividers */
  .project-meta-grid { grid-template-columns: 1fr; }
  .project-meta-item {
    padding: 22px 0 !important;
    border-right: none !important;
    border-left: none !important;
    border-bottom: 1px solid var(--border);
  }
  .project-meta-item:last-child { border-bottom: none; }
  .project-meta-item .val { font-size: 17px; }

  .project-body { padding-top: 64px; padding-bottom: 32px; }
  .project-body .intro { grid-template-columns: 1fr; gap: 20px; }
  .project-body .intro h2 { font-size: 13px; letter-spacing: 0.18em; }
  .project-body .intro .text { font-size: 16px; max-width: 100%; }
  .project-body .intro .text p + p { font-size: 15px; margin-top: 18px; }

  .project-gallery { grid-template-columns: 1fr; gap: 4px; margin: 48px 0; }
  .project-gallery .gal-item,
  .project-gallery .gal-item.full { grid-column: span 1; aspect-ratio: 16 / 11; }

  .project-specs { padding: 40px 0; }
  .project-specs-grid { grid-template-columns: 1fr; gap: 0; }

  .project-nav { grid-template-columns: 1fr; margin-top: 64px; }
  .project-nav a { padding: 32px 20px; }
  .project-nav a + a { border-left: none; border-top: 1px solid var(--border); }
  .project-nav .next-prev { text-align: left; }
}
@media (max-width: 560px) {
  .project-hero { height: 72vh; min-height: 460px; }
  .project-hero-content { padding: 0 18px 36px; }
  .project-hero-content h1 { font-size: clamp(28px, 9.5vw, 44px); }
  .project-hero-content .num { font-size: 11px; margin-bottom: 12px; }
  .back-link { margin-bottom: 16px; font-size: 10px; }

  .project-meta-item { padding: 18px 0 !important; }
  .project-meta-item .lbl { font-size: 9.5px; }
  .project-meta-item .val { font-size: 15.5px; }

  .project-body { padding-top: 48px; padding-bottom: 24px; }
  .project-body .intro h2 { font-size: 12px; }
  .project-body .intro .text { font-size: 15px; }
  .project-body .intro .text p + p { font-size: 14px; }

  .project-gallery { margin: 36px 0; }
  .project-nav .title { font-size: 22px; }
}