@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=DM+Sans:wght@300;400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --paper:       #f5f2ea;
  --paper2:      #efeae0;
  --paper3:      #e6e0d2;
  --ink:         #1e1d18;
  --muted:       #7a7870;
  --border:      rgba(30,29,24,0.16);
  --border-soft: rgba(30,29,24,0.08);
  --ff-serif: 'Playfair Display', Georgia, serif;
  --ff-sans:  'DM Sans', system-ui, sans-serif;
  --ff-mono:  ui-monospace, 'SF Mono', Menlo, monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--ff-sans);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  padding: 28px;
}

a { color: inherit; text-decoration: none; }

/* SHEET */
.sheet {
  max-width: 1100px;
  margin: 0 auto;
  border: 1px solid var(--border);
  background: var(--paper);
}

/* HEADER */
.project-header {
  padding: 32px 36px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.project-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-eyebrow {
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-title {
  font-family: var(--ff-serif);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.back-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s;
  margin-top: 4px;
}
.back-link:hover { color: var(--ink); }
.back-link:hover svg { transform: translateX(-2px); }
.back-link svg { transition: transform 0.18s; }

/* BODY */
.project-body {
  display: grid;
  grid-template-columns: 1fr 240px;
}

/* CONTENT */
.project-content {
  padding: 36px;
  border-right: 1px solid var(--border);
}

.project-content h2 {
  font-family: var(--ff-serif);
  font-size: 19px;
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
  margin: 36px 0 12px;
}
.project-content h2:first-child { margin-top: 0; }

.project-content p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
  opacity: 0.82;
  margin-bottom: 16px;
}
.project-content p:last-child { margin-bottom: 0; }
.project-content strong { opacity: 1; font-weight: 500; }

.project-content img {
  width: 100%;
  display: block;
  margin: 28px 0;
  border: 1px solid var(--border-soft);
}

.note {
  border-left: 2px solid var(--border);
  padding: 12px 18px;
  margin: 24px 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  font-style: italic;
}
.note p { margin: 0; opacity: 1; color: var(--muted); }

/* SIDEBAR */
.project-sidebar {
  padding: 36px 28px;
}

.sidebar-block {
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-soft);
}
.sidebar-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-label {
  font-family: var(--ff-mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}

.sidebar-value {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

.tag-pill {
  font-family: var(--ff-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--paper3);
  color: var(--muted);
}

/* FOOTER NAV */
.project-nav {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.proj-nav-card {
  display: flex;
  flex-direction: column;
  padding: 20px 28px;
  transition: background 0.15s;
}
.proj-nav-card:hover { background: var(--paper2); }
.proj-nav-card + .proj-nav-card { border-left: 1px solid var(--border); }

.proj-nav-dir {
  font-family: var(--ff-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.proj-nav-title {
  font-family: var(--ff-serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
}

/* RESPONSIVE */
@media (max-width: 800px) {
  body { padding: 14px; }
  .project-header { flex-direction: column-reverse; padding: 22px; gap: 16px; }
  .project-body { grid-template-columns: 1fr; }
  .project-content { padding: 24px 22px; border-right: none; border-bottom: 1px solid var(--border); }
  .project-sidebar { padding: 24px 22px; }
  .project-nav { grid-template-columns: 1fr; }
  .proj-nav-card + .proj-nav-card { border-left: none; border-top: 1px solid var(--border); }
}