/* ============================================================
   Project Detail Page
   ============================================================ */

.proj-main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--page-gutter) 6rem;
}

/* ── Breadcrumb ── */
.proj-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-top: clamp(4.5rem, 8vh, 6.5rem);
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.back-crumb {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.back-crumb:hover { color: var(--blue-pale); }
.crumb-sep { opacity: 0.4; }
.crumb-current { color: var(--blue-pale); }

/* ── Project Header ── */
.proj-header {
  margin-bottom: 2.5rem;
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.proj-header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.proj-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-accent);
  background: rgba(21, 83, 199, 0.18);
  border: 1px solid rgba(96,165,250,0.22);
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
}
.proj-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.proj-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.proj-title em {
  font-style: italic;
  color: var(--blue-pale);
}

.proj-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  line-height: 1.7;
  color: rgba(232,240,255,0.75);
  max-width: 65ch;
  margin-bottom: 1.5rem;
}

.proj-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ── Hero Media ── */
.proj-hero-media {
  width: 50%;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 4rem;
  border: 1px solid var(--card-border);
  box-shadow: 0 24px 80px rgba(5,14,43,0.5);
  animation: rise 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

.proj-hero {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.proj-header {
  flex: 1; /* text takes remaining space */
}

.proj-hero-media {
  flex: 1;
}

.proj-hero-media img {
  width: 100%;
  height: auto;
  border-radius: 12px; /* optional but nice */
}

.proj-hero-media img,
.proj-hero-media video {
  width: 100%;
  display: block;
  max-height: 560px;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.05);
}

/* ── Section Scaffolding ── */
.proj-section {
  margin-bottom: 4rem;
}

.proj-section-title {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

/* ── Body Text ── */
.proj-body {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.85;
  color: rgba(232,240,255,0.8);
  max-width: 60ch;
  margin-bottom: 1rem;
}
.proj-body--wide { max-width: 200ch; }
.proj-body:last-child { margin-bottom: 0; }

/* ── Bullet Lists ── */
.proj-bullets {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.proj-bullets li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.proj-bullets li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--blue-accent);
  opacity: 0.6;
  font-size: 0.7rem;
}
.proj-bullets--spaced { gap: 1rem; }
.proj-bullets--spaced li { font-size: 0.82rem; }

/* ── Section Rule / Divider ── */
.proj-rule {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0 0 3rem;
}
.proj-rule::before,
.proj-rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96,165,250,0.22), transparent);
}
.proj-rule-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.6;
  white-space: nowrap;
}

/* ── Split Layout ── */
.proj-split {
  display: grid;
  grid-template-columns: 1.75fr 2fr;
  gap: 3rem;
  align-items: center;
  
}
.proj-split--reverse {
  direction: rtl;
}
.proj-split--reverse > * {
  direction: ltr;
}

/* ── Stacked media: two images vertically in a split column ── */
.proj-stacked-media {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Spec Card ── */
.proj-spec-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem 1.75rem;
}
.proj-spec-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.proj-spec-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--blue-accent);
  opacity: 0.7;
}
.proj-spec-table {
  width: 100%;
  border-collapse: collapse;
}
.proj-spec-table tr {
  border-bottom: 1px solid rgba(96,165,250,0.08);
}
.proj-spec-table tr:last-child {
  border-bottom: none;
}
.proj-spec-table td {
  font-family: var(--font-mono);
  font-size: 0.77rem;
  padding: 0.55rem 0;
  line-height: 1.4;
}
.proj-spec-table td:first-child {
  color: var(--text-muted);
  width: 50%;
}
.proj-spec-table td:last-child {
  color: var(--blue-pale);
  text-align: right;
}

/* ── Iteration Timeline ── */
.proj-iterations {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2.5rem;
  position: relative;
}

/* Vertical line */
.proj-iterations::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(96,165,250,0.3), rgba(96,165,250,0.08));
}

.proj-iter {
  display: flex;
  gap: 2rem;
  padding-bottom: 3.5rem;
  position: relative;
}
.proj-iter:last-child { padding-bottom: 0; }

.proj-iter-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-pale);
  background: rgba(21,83,199,0.25);
  border: 1px solid rgba(96,165,250,0.28);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 16px rgba(21,83,199,0.2);
}

.proj-iter-content {
  flex: 1;
  min-width: 0;
}

.proj-iter-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.proj-iter-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: #fff;
}

.proj-iter-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.proj-iter-media {
  margin-bottom: 1.1rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
}
.proj-iter-media img,
.proj-iter-media video {
  width: 100%;
  display: block;
  object-fit: cover;
  filter: brightness(0.88) saturate(0.9);
}
.proj-iter-media--duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.proj-iter-media--duo img,
.proj-iter-media--duo video,
.proj-iter-media--duo .proj-media-placeholder {
  border-radius: 10px;
}

/* ── Media Placeholders ── */
.proj-media-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(10,34,96,0.7), rgba(21,83,199,0.12));
  border: 1px solid rgba(96,165,250,0.12);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(96,165,250,0.35);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.proj-media-placeholder--hero {
  aspect-ratio: 16 / 7;
  border-radius: 0;
}
.proj-media-placeholder--tall {
  aspect-ratio: 3 / 4;
}
.proj-media-placeholder--video {
  aspect-ratio: 16 / 9;
  flex-direction: column;
  gap: 0;
  border-radius: 14px;
}
.placeholder-text { text-align: center; padding: 0 1rem; }

/* ── Video Wrap ── */
.proj-video-wrap {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 2.5rem;
  border: 1px solid var(--card-border);
  box-shadow: 0 16px 48px rgba(5,14,43,0.4);
  background: rgba(8,22,70,0.5);
}
.proj-video-wrap video,
.proj-video-wrap iframe {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  border: none;
}

/* ── Stat Cards Row ── */
.proj-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.proj-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.proj-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: #fff;
  line-height: 1;
}
.proj-stat-desc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ── Gallery ── */
.proj-gallery {
  display: grid;
  gap: 1rem;
}
.proj-gallery--3 {
  grid-template-columns: repeat(3, 1fr);
}
.proj-gallery--2 {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

.proj-gallery-item {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.proj-gallery-item .proj-media-placeholder {
  border-radius: 12px;
}
.proj-gallery-item img,
.proj-gallery-item video {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  object-fit: cover;
  filter: brightness(0.88) saturate(0.9);
  transition: filter var(--transition);
}
.proj-gallery-item img:hover,
.proj-gallery-item video:hover {
  filter: brightness(0.96) saturate(1);
}

.proj-gallery-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.proj-gallery-stack .proj-media-placeholder {
  aspect-ratio: 4 / 3;
}

.proj-caption {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  opacity: 0.7;
  line-height: 1.5;
}

/* ── Prev/Next Nav ── */
.proj-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(96,165,250,0.1);
}

.proj-nav-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  padding: 1rem 1.25rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  flex: 1;
  max-width: 320px;
}
.proj-nav-btn:hover {
  border-color: rgba(96,165,250,0.3);
  background: rgba(21,83,199,0.1);
  transform: translateY(-2px);
}
.proj-nav-btn--next {
  flex-direction: row-reverse;
  text-align: right;
  margin-left: auto;
}
.proj-nav-btn span {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.proj-nav-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.proj-nav-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
}
.proj-nav-btn svg {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.proj-nav-btn:hover svg { color: var(--blue-pale); }
.proj-nav-btn--prev:hover svg { transform: translateX(-3px); }
.proj-nav-btn--next:hover svg { transform: translateX(3px); }

/* ── Responsive ── */
@media (max-width: 860px) {
  .proj-split, .proj-split--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .proj-stats-row {
    grid-template-columns: 1fr 1fr;
  }
  .proj-gallery--3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .proj-iter { gap: 1rem; }
  .proj-iterations::before { left: 16px; }
  .proj-iter-badge { width: 32px; height: 32px; font-size: 0.6rem; }
  .proj-iter-media--duo { grid-template-columns: 1fr; }
  .proj-stats-row { grid-template-columns: 1fr; }
  .proj-gallery--3, .proj-gallery--2 { grid-template-columns: 1fr; }
  .proj-nav { flex-direction: column; }
  .proj-nav-btn { max-width: 100%; }
}

/* ============================================================
   Impact Tester — page-specific styles (style.css)
   Extends project.css — add to the same folder as index.html
   ============================================================ */

/* ── Inline media (used inside split sections) ──────────────
   Replaces the hero-media block for in-column images.
   Matches the card border aesthetic without the heavy shadow.
   ─────────────────────────────────────────────────────────── */
.proj-inline-media {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 12px 40px rgba(5, 14, 43, 0.4);
}

.proj-inline-media img,
.proj-inline-media video {
  width: 100%;
  display: block;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.04);
}

/* Square crop */
.proj-inline-media--sq img,
.proj-inline-media--sq video {
  aspect-ratio: 1 / 1;
}

/* Explicit 16:9 crop */
.proj-inline-media--wide img,
.proj-inline-media--wide video {
  aspect-ratio: 100 / 39;
}

/* ── Numbered list ───────────────────────────────────────── */
.proj-numbered {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  counter-reset: proj-counter;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.proj-numbered li {
  counter-increment: proj-counter;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-muted);
  padding-left: 2.25rem;
  position: relative;
}

.proj-numbered li::before {
  content: counter(proj-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--blue-accent);
  opacity: 0.75;
  line-height: 1.9;
}

/* ── Custom Designs grid ─────────────────────────────────── */
.proj-designs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
  margin-top: 1.75rem;
}

/* Two square images sit in the first row, side by side */
.proj-designs-sq {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Wide image spans full width in second row */
.proj-designs-wide {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Placeholder for 16:9 slot */
.proj-media-placeholder--16-9 {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
}

/* Square placeholder */
.proj-inline-media--sq .proj-media-placeholder {
  aspect-ratio: 1 / 1;
}

/* ── Iteration diagram ───────────────────────────────────── */
.proj-iter-diagram {
  margin-top: 2rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 12px 40px rgba(5, 14, 43, 0.35);
}

.proj-iter-diagram img,
.proj-iter-diagram video {
  width: 100%;
  display: block;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.04);
}

/* Placeholder sized for a wide/short diagram strip */
.proj-media-placeholder--iter-diagram {
  aspect-ratio: 3 / 1;
  border-radius: 0;
  min-height: 160px;
}

/* ── Larger video wrap ───────────────────────────────────── */
.proj-video-wrap--lg {
  margin-top: 2rem;
}

.proj-video-wrap--lg video,
.proj-video-wrap--lg iframe {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  border: none;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 720px) {
  .proj-designs-grid {
    grid-template-columns: 1fr;
  }
  .proj-designs-wide {
    grid-column: 1 / -1;
  }
  .proj-media-placeholder--iter-diagram {
    aspect-ratio: 2 / 1;
  }
}

.proj-iter-left {
  display: flex;
  gap: 1rem;
}

.proj-iter-left img {
  width: 50%;
  object-fit: cover;
}