/* ============================================
   PROJECT DETAIL PAGE STYLES
   ============================================ */

.project-hero {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  background-color: #F7F7F8;
  border-bottom: 1px solid var(--color-border);
}

.project-hero .container {
  max-width: var(--container-max);
}

.project-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
  transition: opacity var(--duration-fast);
}

.project-back:hover {
  opacity: 0.7;
}

.project-back svg {
  width: 16px;
  height: 16px;
}

.project-hero-content {
  max-width: 800px;
}

.project-hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.08);
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  margin-bottom: var(--space-lg);
}

.project-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.project-hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 640px;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.project-meta-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.project-meta-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

/* Project Body */
.project-body {
  padding: var(--space-3xl) 0;
}

.project-body .container {
  max-width: 800px;
}

.project-section {
  margin-bottom: var(--space-3xl);
}

.project-section:last-child {
  margin-bottom: 0;
}

.project-section h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.project-section p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.project-section p:last-child {
  margin-bottom: 0;
}

.project-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: 0;
}

.project-section li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.project-section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* Image placeholder for project pages */
.project-image-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3xl);
  overflow: hidden;
}

.project-image-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-image-hero svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

/* Image attribution caption */
.project-image-credit {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: -2.5rem;
  margin-bottom: var(--space-3xl);
  padding-right: 4px;
}

.project-image-credit a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.project-image-credit a:hover {
  color: var(--color-accent);
}

/* Tags */
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-tag-pill {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.375rem 0.875rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-secondary);
}

/* Navigation between projects */
.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: var(--space-lg);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  max-width: 800px;
  margin: 0 auto;
}

.project-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
  max-width: 45%;
}

.project-nav-link:hover {
  background: var(--color-bg-alt);
}

.project-nav-link.next {
  text-align: right;
  margin-left: auto;
}

.project-nav-direction {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-nav-name {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

/* Mobile */
@media (max-width: 768px) {
  .project-hero {
    padding-top: calc(var(--nav-height) + var(--space-xl));
  }

  .project-meta {
    gap: var(--space-lg);
  }

  .project-meta-item {
    min-width: 40%;
  }

  .project-nav {
    flex-direction: column;
  }

  .project-nav-link {
    max-width: 100%;
  }

  .project-nav-link.next {
    text-align: left;
  }
}