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

.project-main {
  padding-top: 100px;
  padding-bottom: 80px;
  min-height: 100vh;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 40px;
  padding-top: 20px;
}
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--blue-light); }
.breadcrumb span:not(a) { color: var(--text-dim); }

/* Project Hero */
.proj-hero {
  margin-bottom: 72px;
}
.proj-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.proj-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 20px;
}
.proj-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 780px;
  margin-bottom: 40px;
}
.proj-kpis {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.kpi {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  flex: 1;
  min-width: 140px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
}
.kpi-value {
  display: block;
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue-light), var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.kpi-label {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* Section */
.proj-section {
  margin-bottom: 72px;
}
.proj-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}
.proj-section-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-light);
  background: rgba(0,120,212,0.1);
  border: 1px solid rgba(80,176,240,0.2);
  border-radius: 6px;
  padding: 4px 10px;
  font-variant-numeric: tabular-nums;
}
.proj-section-header h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: #fff;
}

/* Prose + Pain Points */
.prose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.prose {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
.prose p { margin-bottom: 16px; }
.prose strong { color: var(--text); }
.prose ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.prose ul li { list-style: disc; }

.pain-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pain-point {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: var(--transition);
}
.pain-point:hover { border-color: var(--border-2); }
.pain-icon { font-size: 22px; flex-shrink: 0; }
.pain-point strong { display: block; font-size: 14px; color: #fff; margin-bottom: 2px; }
.pain-point span { font-size: 13px; color: var(--text-dim); }

/* Architecture Diagram */
.architecture-diagram {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}
.arch-step {
  flex: 1;
  min-width: 130px;
  max-width: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 16px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card-2);
  transition: var(--transition);
}
.arch-step:hover { border-color: var(--border-2); transform: translateY(-2px); }
.arch-step--trigger { border-color: rgba(0,120,212,0.3); }
.arch-step--ai     { border-color: rgba(124,58,237,0.3); }
.arch-step--approval { border-color: rgba(245,158,11,0.3); }
.arch-step--done   { border-color: rgba(16,185,129,0.3); }
.arch-step-icon { font-size: 28px; }
.arch-step-body h4 { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.arch-step-body p  { font-size: 12px; color: var(--text-dim); line-height: 1.4; }
.arch-step-tool {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-light);
  background: rgba(0,120,212,0.08);
  border: 1px solid rgba(80,176,240,0.15);
  border-radius: 4px;
  padding: 3px 8px;
  white-space: nowrap;
}
.arch-arrow {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 18px;
  font-weight: 600;
  padding: 0 8px;
  align-self: center;
}

/* Implementation Cards */
.impl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.impl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.impl-card:hover { border-color: var(--border-2); }
.impl-card--ai {
  background: linear-gradient(135deg, rgba(124,58,237,0.05) 0%, rgba(0,120,212,0.05) 100%);
  border-color: rgba(124,58,237,0.2);
}
.impl-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.impl-icon { font-size: 24px; }
.impl-card-header h3 { font-size: 16px; font-weight: 700; color: #fff; }
.impl-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.impl-card ul li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}
.impl-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--blue-light);
  font-weight: 600;
}

/* Results Grid */
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.result-card:hover { border-color: var(--border-2); transform: translateY(-2px); }
.result-card--big {
  grid-column: span 4;
  background: linear-gradient(135deg, rgba(0,120,212,0.06) 0%, rgba(16,185,129,0.06) 100%);
  border-color: rgba(0,120,212,0.2);
}
.result-icon { font-size: 28px; margin-bottom: 10px; }
.result-card h4 { font-size: 14px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.result-stat {
  font-size: 22px;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 8px;
}
.result-card p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }

/* Before/After */
.result-before-after {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.result-ba { text-align: center; }
.ba-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 4px;
  padding: 3px 8px;
  margin-bottom: 8px;
}
.ba-label--before { color: var(--red); background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); }
.ba-label--after  { color: var(--green); background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2); }
.ba-value {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.ba-desc { font-size: 13px; color: var(--text-dim); }
.ba-arrow { font-size: 28px; color: var(--text-dim); }
.result-highlight {
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--blue-light), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Tech Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tech-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--transition);
}
.tech-item:hover { border-color: var(--border-2); }
.tech-item-icon { font-size: 24px; }
.tech-item strong { font-size: 15px; font-weight: 600; color: #fff; }
.tech-item span { font-size: 13px; color: var(--text-dim); line-height: 1.4; }

/* Bottom Nav */
.proj-nav {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 900px) {
  .prose-grid { grid-template-columns: 1fr; }
  .impl-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .result-card--big { grid-column: span 2; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .architecture-diagram { flex-direction: column; align-items: stretch; }
  .arch-arrow { transform: rotate(90deg); align-self: center; }
}
@media (max-width: 600px) {
  .proj-kpis { flex-direction: column; }
  .results-grid { grid-template-columns: 1fr; }
  .result-card--big { grid-column: span 1; }
  .tech-grid { grid-template-columns: 1fr; }
  .proj-nav { flex-direction: column; }
}