/* =====================================================
   PROJECT DETAIL PAGE – shared styles
   ===================================================== */

/* Import all base variables & typography from style.css */

/* ── Hero banner ── */
.proj-hero {
  padding: 7rem 0 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.proj-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(0.15) saturate(1.4);
  z-index: 0;
}
.proj-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
}
.proj-hero .container { position: relative; z-index: 1; }

.proj-back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text3); text-decoration: none;
  margin-bottom: 2.5rem; transition: color 0.2s;
}
.proj-back:hover { color: var(--accent); }
.proj-back svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }

.proj-meta-row {
  display: flex; align-items: center; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 1.25rem;
}
.proj-category-pill {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(0,229,255,0.25);
  padding: 0.3rem 0.8rem; border-radius: 100px;
  background: rgba(0,229,255,0.05);
}
.proj-difficulty {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--accent3); background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  padding: 0.3rem 0.8rem; border-radius: 100px;
}

.proj-title {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em;
  color: var(--text); line-height: 1.1;
  margin-bottom: 1.25rem; max-width: 800px;
}
.proj-tagline {
  color: var(--text2); font-size: 1.05rem; line-height: 1.75;
  max-width: 700px; margin-bottom: 2rem;
}
.proj-hero-actions {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.proj-github-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem; border-radius: 100px;
  background: var(--surface2); border: 1px solid var(--border2);
  color: var(--text); font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase;
  text-decoration: none; transition: all 0.25s;
}
.proj-github-btn:hover {
  border-color: var(--accent); color: var(--accent);
  box-shadow: 0 0 20px rgba(0,229,255,0.15);
}
.proj-github-btn svg { width: 16px; height: 16px; fill: currentColor; }

.proj-stat-pills { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.proj-stat-pill {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 1rem; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--border);
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem;
  color: var(--text2);
}
.proj-stat-pill strong { color: var(--accent3); }

/* ── Body layout ── */
.proj-body {
  padding: 5rem 0;
  background: var(--bg);
}
.proj-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}

/* Main column */
.proj-main-col > * + * { margin-top: 3rem; }

.proj-section-title {
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: 1.2rem; color: var(--text);
  margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.proj-section-title::before {
  content: '';
  display: block; width: 24px; height: 2px;
  background: var(--accent);
}

.proj-description p {
  color: var(--text2); line-height: 1.85; font-size: 0.95rem;
  margin-bottom: 1rem;
}
.proj-description p strong { color: var(--accent3); font-weight: 600; }

/* What you'll learn list */
.proj-learn-list {
  list-style: none; display: flex; flex-direction: column; gap: 0.65rem;
}
.proj-learn-list li {
  display: flex; align-items: flex-start; gap: 0.75rem;
  color: var(--text2); font-size: 0.9rem; line-height: 1.6;
}
.proj-learn-list li::before {
  content: '→';
  color: var(--accent); font-family: 'IBM Plex Mono', monospace;
  flex-shrink: 0; margin-top: 0.1em;
}

/* Architecture diagram */
.proj-arch-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem; overflow-x: auto;
}
.proj-arch-steps {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0;
  min-width: fit-content;
}
.arch-step {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.4rem; flex-shrink: 0;
}
.arch-step-box {
  padding: 0.7rem 1.1rem;
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 8px; text-align: center;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem;
  color: var(--text); white-space: nowrap;
  transition: border-color 0.2s;
}
.arch-step-box:hover { border-color: rgba(0,229,255,0.4); }
.arch-step-label {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.58rem;
  color: var(--text3); letter-spacing: 0.06em; text-transform: uppercase;
}
.arch-connector {
  display: flex; align-items: center;
  padding: 0 0.5rem;
  color: var(--accent3);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Curriculum / steps */
.proj-curriculum { display: flex; flex-direction: column; gap: 0.5rem; }
.curriculum-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.curriculum-item:hover { border-color: var(--border2); }
.curriculum-num {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  color: var(--accent); flex-shrink: 0; margin-top: 0.15rem;
  min-width: 2rem;
}
.curriculum-item p {
  color: var(--text2); font-size: 0.88rem; line-height: 1.5; margin: 0;
}
.curriculum-item strong { color: var(--text); display: block; margin-bottom: 0.15rem; font-size: 0.9rem; }

/* Sidebar */
.proj-sidebar { position: sticky; top: 6rem; }
.proj-sidebar > * + * { margin-top: 1.25rem; }

.sidebar-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
}
.sidebar-card h4 {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text3); margin-bottom: 1rem;
}
.sidebar-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sidebar-stack span {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  padding: 0.3rem 0.7rem; border-radius: 4px;
  background: var(--bg3); border: 1px solid var(--border2);
  color: var(--text2);
}
.sidebar-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.sidebar-list li {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.85rem; color: var(--text2);
}
.sidebar-list li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
.sidebar-cta {
  display: flex; flex-direction: column; gap: 0.75rem;
}
.sidebar-cta a {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem; border-radius: var(--radius);
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; transition: all 0.2s;
}
.cta-primary {
  background: var(--accent); color: var(--bg);
  box-shadow: 0 0 20px rgba(0,229,255,0.25);
}
.cta-primary:hover { box-shadow: 0 0 35px rgba(0,229,255,0.45); }
.cta-secondary {
  background: transparent; color: var(--text2);
  border: 1px solid var(--border2);
}
.cta-secondary:hover { color: var(--accent); border-color: rgba(0,229,255,0.4); }
.cta-secondary svg { width: 14px; height: 14px; fill: currentColor; }

/* Results metrics */
.results-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.result-box {
  padding: 1rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center;
}
.result-num {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: 1.6rem; color: var(--accent); line-height: 1;
  display: block; margin-bottom: 0.25rem;
}
.result-label {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.6rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text3);
}

/* Related projects */
.related-section {
  padding: 4rem 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.related-section h3 {
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: 1.4rem; color: var(--text); margin-bottom: 1.5rem;
}
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.related-card {
  padding: 1.25rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); text-decoration: none;
  transition: all 0.2s;
}
.related-card:hover {
  border-color: rgba(0,229,255,0.3);
  transform: translateY(-3px);
}
.related-icon { font-size: 1.75rem; margin-bottom: 0.5rem; display: block; }
.related-cat {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.3rem;
}
.related-title {
  font-family: 'Syne', sans-serif; font-weight: 600;
  font-size: 0.9rem; color: var(--text); line-height: 1.3;
}

/* Responsive */
@media (max-width: 900px) {
  .proj-layout { grid-template-columns: 1fr; }
  .proj-sidebar { position: static; }
  .related-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 600px) {
  .proj-arch-steps { flex-direction: column; }
  .arch-connector { transform: rotate(90deg); }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
}