.project-detail-main { max-width: 84rem; margin: 0 auto; padding: 48px 0 80px; }
.project-detail-heading { max-width: 68rem; padding-bottom: 40px; }
.portfolio .project-detail-heading h1 { font-size: clamp(2rem, 4.2vw, 3.5rem); font-weight: 450; line-height: 1.18; letter-spacing: -.025em; margin: 12px 0 24px; text-wrap: balance; }
.project-detail-heading p { font-size: 1.125rem; color: var(--ink-soft); line-height: 1.65; }
.project-detail-overview { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); gap: 40px; padding-bottom: 56px; }
.project-detail-overview figure { margin: 0; }
.project-detail-context { padding-top: 8px; }
.portfolio .project-detail-context h2 { font-size: 1.35rem; font-weight: 450; margin: 0 0 20px; line-height: 1.4; }
.project-detail-context p { color: var(--ink-soft); line-height: 1.7; }
.project-detail-actions { display: grid; gap: 12px; margin-top: 24px; }
.project-detail-actions a { display: flex; align-items: center; min-height: 44px; padding: 8px 0; color: var(--accent); border-top: 1px solid var(--rule); }
.project-detail-reading { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(0, 3fr); gap: 48px; border-top: 1px solid var(--rule); padding-top: 40px; }
.project-detail-reading nav { display: grid; gap: 8px; }
.project-detail-reading nav a { color: var(--ink-soft); font-size: .875rem; line-height: 1.5; padding: 8px 0; }
.project-detail-reading .prose { max-width: 68ch; }
.project-detail-reading h2 { scroll-margin-top: 24px; }
.project-mobile-artifact { margin: 40px 0 0 25%; padding-left: 36px; }
.project-mobile-artifact img { width: min(100%, 280px); height: auto; display: block; border: 1px solid var(--rule); }
.project-mobile-artifact figcaption { font-size: .8125rem; color: var(--ink-soft); margin-top: 16px; }
@media (max-width: 920px) { .project-detail-overview, .project-detail-reading { grid-template-columns: 1fr; gap: 28px; } .project-detail-reading nav { display: flex; flex-wrap: wrap; gap: 8px 24px; } .project-mobile-artifact { margin-left: 0; padding-left: 0; } }
@media (max-width: 600px) { .project-detail-main { padding-top: 32px; } .project-detail-heading { padding-bottom: 24px; } .project-detail-overview { padding-bottom: 32px; } }

.project-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--ink-soft); font-size: .875rem; }
.project-breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; color: var(--accent); }