/* =====================================================
   PILLOWEB — project.css
   Styles for project.php (case-study detail page)
   ===================================================== */

/* ---- HERO ---- */
.proj-hero {
  position: relative;
  padding-top: 4.5rem;
  padding-bottom: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.proj-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 80% at 70% -5%,  color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 60%),
    radial-gradient(ellipse 45% 55% at 95% 90%,  color-mix(in srgb, var(--accent) 07%, transparent) 0%, transparent 60%);
  pointer-events: none;
}
.proj-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-bottom: 4rem;
}
.proj-hero-meta {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}
.proj-hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.proj-hero-sub {
  font-size: clamp(.95rem, 1.4vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 2rem;
}

/* Quick stats strip */
.proj-quick-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.pqs-item {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.pqs-item svg { color: var(--accent); margin-bottom: .1rem; }
.pqs-item span {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
}
.pqs-item p {
  font-size: .72rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.pqs-div { width: 1px; height: 34px; background: var(--border); }
.pqs-live-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: .35rem .8rem;
  border-radius: 7px;
  transition: all .2s var(--ease);
}
.pqs-live-btn:hover {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

/* Hero visual */
.proj-hero-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 100%;
}
.proj-screenshot-frame {
  width: 100%;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg-elevated);
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
}
.psf-chrome {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.psf-chrome span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-mid);
}
.psf-chrome span:nth-child(1) { background: #FF6D6D; }
.psf-chrome span:nth-child(2) { background: #FFB82A; }
.psf-chrome span:nth-child(3) { background: #2AFFB2; }
.proj-screenshot-frame img {
  width: 100%;
  display: block;
  max-height: 340px;
  object-fit: cover;
  object-position: top;
}
.proj-screenshot-frame.psf-fallback { display: none; }

/* Placeholder visual (no screenshot) */
.proj-visual-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-surface));
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pvp-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 30%, color-mix(in srgb, var(--accent) 22%, transparent) 0%, transparent 65%);
}
.pvp-lines {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  width: 65%;
}
.pvp-lines span {
  display: block;
  height: 4px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}
.pvp-badge {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: color-mix(in srgb, var(--accent) 75%, white);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: .22rem .6rem;
  border-radius: 6px;
}

/* ---- METRICS BAND ---- */
.proj-metrics-band {
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-surface));
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
}
.proj-metrics-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}
.pmb-item {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 600;
  color: var(--accent);
  padding: .25rem 2rem .25rem 0;
}
.pmb-item svg { flex-shrink: 0; }
.pmb-div {
  width: 1px;
  height: 28px;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  margin-right: 2rem;
}

/* ---- CASE STUDY BODY ---- */
.proj-body { background: var(--bg-surface); }
.proj-body-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}

/* Main column sections */
.proj-section { margin-bottom: 3.5rem; }
.proj-section:last-child { margin-bottom: 0; }
.proj-section-label {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .9rem;
}
.proj-section-label span {
  font-size: .68rem;
  color: var(--text-muted);
  opacity: .6;
}
.proj-section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.proj-body-text {
  font-size: .975rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 680px;
}

/* Challenge / Solution */
.proj-cs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}
.proj-cs-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color .25s var(--ease);
}
.proj-cs-card:hover { border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
.proj-cs-card--challenge .proj-cs-icon { color: #FF6D6D; }
.proj-cs-card--solution  .proj-cs-icon { color: #2AFFB2; }
.proj-cs-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, currentColor 10%, transparent);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.proj-cs-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.01em;
  margin-bottom: .6rem;
}
.proj-cs-card p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Impact list */
.proj-impact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.proj-impact-item {
  display: flex;
  align-items: center;
  gap: .85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: .9rem 1.25rem;
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: background .2s, transform .2s var(--ease);
}
.proj-impact-item:hover {
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-elevated));
  transform: translateX(4px);
}
.pii-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border-radius: 6px;
  flex-shrink: 0;
}

/* Tech grid */
.proj-tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}
.proj-tech-item {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: .5rem 1rem;
  border-radius: 8px;
  transition: all .2s var(--ease);
}
.proj-tech-item:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-elevated));
}
.pti-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.proj-tech-grid--compact .proj-tech-item { font-size: .78rem; padding: .4rem .85rem; }

/* ---- SIDEBAR ---- */
.proj-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 6rem;
}

/* CTA card */
.proj-cta-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  overflow: hidden;
}
.pcc-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 20%, transparent) 0%, transparent 70%);
  pointer-events: none;
}
.proj-cta-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -.02em;
  margin-bottom: .65rem;
  position: relative;
  z-index: 1;
}
.proj-cta-card p {
  font-size: .855rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

/* Details card */
.proj-details-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}
.proj-details-card h3 {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}
.proj-details-list { display: flex; flex-direction: column; gap: 0; }
.pdl-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border);
}
.pdl-row:last-child { border-bottom: none; }
.pdl-row dt {
  font-size: .82rem;
  color: var(--text-muted);
  font-weight: 500;
  flex-shrink: 0;
}
.pdl-row dd {
  font-size: .875rem;
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}
.pdl-link {
  font-size: .82rem;
  color: var(--blue);
  font-weight: 600;
  transition: color .2s;
}
.pdl-link:hover { color: var(--text-primary); }

/* ---- RELATED ---- */
.proj-related { background: var(--bg-surface); border-top: 1px solid var(--border); }
.proj-related-grid { max-width: 900px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .proj-body-grid { grid-template-columns: 1fr; }
  .proj-sidebar { position: static; }
  .proj-cta-card,
  .proj-details-card:last-child { display: none; } /* hide redundant sidebar on mobile — CTA banner at bottom covers it */
}
@media (max-width: 900px) {
  .proj-hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .proj-hero-visual { display: none; }
}
@media (max-width: 768px) {
  .proj-cs-grid { grid-template-columns: 1fr; }
  .proj-metrics-inner { gap: 0; }
  .pmb-item { font-size: .82rem; }
  .proj-quick-stats { gap: 1rem; }
  .pqs-div { display: none; }
}
@media (max-width: 480px) {
  .proj-hero-heading { font-size: clamp(1.8rem, 7.5vw, 2.4rem); }
  .proj-metrics-band .container { padding-left: 1rem; padding-right: 1rem; }
  .pmb-div { display: none; }
  .pmb-item { padding-right: 1rem; font-size: .78rem; }
}