/* === BUILDING SECTION === */
/* Aesthetic: Matches site design language */

body.building-section {
  font-family: var(--font-sans);
}

/* === HERO === */
.building-hero {
  padding: clamp(3rem, 8vw, 5rem) 0;
  max-width: 700px;
}

.hero-marker {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.marker-line {
  width: 40px;
  height: 2px;
  background: var(--text-primary);
}

.marker-text {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
}

.building-hero h1 {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.hero-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

/* === SECTION LABEL === */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-label::before {
  content: '';
  width: 12px;
  height: 2px;
  background: var(--text-tertiary);
}

/* === PROJECTS SECTION === */
.projects-section {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.project-card {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

a.project-card,
a.project-card-link {
  text-decoration: none;
}

a.project-card:hover,
a.project-card-link:hover {
  text-decoration: none;
}

.project-card:hover {
  border-color: var(--text-tertiary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--violet);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover::before {
  opacity: 1;
}

.project-number {
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-tertiary);
  padding-top: 4px;
}

.project-card:hover .project-number {
  color: var(--violet);
}

.project-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.project-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.project-header h2 {
  font-family: var(--font-mono, monospace);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.project-status {
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.project-status.live {
  color: var(--emerald);
  background: rgba(5, 150, 105, 0.1);
}

.project-status.dev {
  color: var(--gold);
  background: rgba(202, 138, 4, 0.1);
}

.project-content p {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--spacing-xs);
}

.project-tags span {
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
}

/* === PRINCIPLES SECTION === */
.principles-section {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 600px;
}

.principle-item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: var(--spacing-lg);
}

.principle-marker {
  width: 8px;
  height: 8px;
  background: var(--violet);
  border-radius: 50%;
  margin-top: 8px;
}

.principle-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs);
}

.principle-content p {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* === STACK SECTION === */
.stack-section {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.stack-category {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.stack-category h3 {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin: 0 0 var(--spacing-sm);
}

.stack-category p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* === CTA SECTION === */
.cta-section {
  padding: var(--spacing-2xl) 0;
}

.cta-content {
  max-width: 450px;
}

.cta-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
}

.cta-content > p {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 var(--spacing-lg);
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono, monospace);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--text-primary);
  padding: 12px 24px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.cta-link:hover {
  background: var(--violet);
  color: white;
  text-decoration: none;
}

.cta-link span {
  transition: transform 0.3s ease;
}

.cta-link:hover span {
  transform: translateX(4px);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .building-hero {
    padding: var(--spacing-2xl) 0;
  }

  .building-hero h1 {
    font-size: 2.25rem;
  }

  .project-card {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
  }

  .project-number {
    padding-top: 0;
  }

  .stack-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  .principle-item {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .principle-marker {
    display: none;
  }
}

/* === DARK MODE === */
@media (prefers-color-scheme: dark) {
  .project-card {
    background: var(--bg-secondary);
  }

  .project-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  }

  .stack-category {
    background: var(--bg-secondary);
  }

  .project-tags span {
    background: var(--bg-primary);
  }
}