/* === BUILDING SECTION: DARK BRUTALIST TERMINAL === */
/* Matches home.css aesthetic - dark, dense, unapologetic */

body.building-section {
  --building-accent: var(--green);
  --building-bg: #0a0a0a;
  --building-surface: #111111;
  --building-text: #e8e8e8;
  --building-muted: #888888;
  --building-dim: #333333;
  font-family: var(--font-mono);
  background: var(--building-bg);
  color: var(--building-text);
}

/* Override base colors for dark mode */
body.building-section main {
  background: var(--building-bg);
}

body.building-section .container {
  max-width: 1200px;
  position: relative;
  z-index: 1;
}

/* Scanline overlay */
body.building-section::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

/* Noise texture */
body.building-section::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 999;
}

/* === HERO === */
.building-hero {
  padding: clamp(4rem, 12vw, 8rem) 0 clamp(2rem, 6vw, 4rem);
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--building-dim);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(3rem, 8vw, 5rem);
  align-items: center;
}

.hero-content {
  max-width: 580px;
}

.hero-marker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.1s;
}

.marker-line {
  width: 8px;
  height: 8px;
  background: var(--building-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 12px var(--building-accent);
}

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

.building-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  color: var(--building-text);
  text-transform: uppercase;
  opacity: 0;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.2s;
}

.hero-lead {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--building-muted);
  margin: 0;
  opacity: 0;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.35s;
}

.hero-lead::before {
  content: '> ';
  color: var(--building-accent);
}

/* === HERO VISUAL - Build Status Panel === */
.hero-visual {
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.4s;
}

.build-status-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-family: var(--font-mono);
  border: 1px solid var(--building-dim);
  background: var(--building-surface);
  width: 100%;
  max-width: 360px;
}

.status-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--building-dim);
  transition: background 0.15s ease;
  position: relative;
  opacity: 0;
  animation: fadeIn 0.4s ease forwards;
}

.status-card:last-child {
  border-bottom: none;
}

.status-card:nth-child(1) { animation-delay: 0.5s; }
.status-card:nth-child(2) { animation-delay: 0.6s; }
.status-card:nth-child(3) { animation-delay: 0.7s; }

.status-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.15s ease;
}

.status-card:hover {
  background: rgba(255, 255, 255, 0.02);
}

.status-card:hover::before {
  background: var(--building-accent);
}

.status-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--building-accent);
}

.status-label::before {
  content: '● ';
}

.status-text {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--building-muted);
  line-height: 1.5;
}

/* === SECTION LABEL === */
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--building-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px var(--building-accent);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--building-muted);
}

/* === PROJECTS SECTION === */
.projects-section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--building-dim);
  opacity: 0;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.5s;
}

/* === PROJECT FILTERS === */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--building-surface);
  border: 1px solid var(--building-dim);
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-group-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--building-muted);
  margin-right: 0.25rem;
}

.filter-group-label::before {
  content: '// ';
  color: var(--building-dim);
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--building-muted);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn:hover {
  color: var(--building-text);
}

.filter-btn.active {
  color: var(--building-accent);
  font-weight: 600;
}

.filter-marker {
  width: 8px;
  height: 8px;
  border: 1px solid var(--building-dim);
  background: var(--building-bg);
  border-radius: 50%;
  transition: all 0.15s ease;
}

.filter-btn:hover .filter-marker {
  border-color: var(--building-text);
}

.filter-btn.active .filter-marker {
  background: var(--building-accent);
  border-color: var(--building-accent);
}

.filter-marker.live {
  /* Green for live */
}

.filter-marker.building {
  /* Amber for building - shown via active state */
}

.filter-btn[data-filter="status-building"].active .filter-marker {
  background: #f59e0b;
  border-color: #f59e0b;
}

.filter-btn[data-filter="status-building"]:hover .filter-marker {
  border-color: #f59e0b;
}

/* Hidden state for filtered cards - !important ensures no animation/specificity overrides */
.project-card.hidden {
  display: none !important;
  visibility: hidden;
  height: 0;
  padding: 0 !important;
  margin: 0;
  border: none !important;
  overflow: hidden;
}

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-family: var(--font-mono);
  border: 1px solid var(--building-dim);
  background: var(--building-surface);
}

.project-card {
  display: block;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--building-dim);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
  position: relative;
  opacity: 0;
  animation: fadeIn 0.4s ease forwards;
}

.project-card:last-child {
  border-bottom: none;
}

.project-card:nth-child(1) { animation-delay: 0.6s; }
.project-card:nth-child(2) { animation-delay: 0.7s; }
.project-card:nth-child(3) { animation-delay: 0.8s; }
.project-card:nth-child(4) { animation-delay: 0.9s; }
.project-card:nth-child(5) { animation-delay: 1.0s; }

.project-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.15s ease;
}

.project-card:hover {
  background: rgba(255, 255, 255, 0.02);
}

.project-card:hover::before {
  background: var(--building-accent);
}

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



.project-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.project-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-header h2 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--building-text);
  margin: 0;
  letter-spacing: -0.01em;
}


.project-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-status.live {
  color: var(--building-accent);
}

.project-status.live::before {
  content: '● ';
}

.project-status.building {
  color: #f59e0b;
}

.project-status.building::before {
  content: '◑';
  display: inline-block;
  margin-right: 0.25em;
  animation: building-pulse 1.5s ease-in-out infinite;
}

@keyframes building-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.project-status.private {
  color: var(--building-muted);
}

.project-status.private::before {
  content: '◌ ';
}

.project-status.redacted {
  color: var(--building-muted);
}

.project-status.redacted::before {
  content: '▮ ';
}

/* Hashed project names for confidential projects */
.hash-prefix {
  color: var(--building-muted);
}

.hash-suffix {
  color: var(--building-muted);
}

.project-content p {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--building-muted);
  line-height: 1.5;
  margin: 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 0.5rem;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--building-muted);
  white-space: nowrap;
  text-transform: lowercase;
}

.project-tags span::before {
  content: '#';
  color: var(--building-muted);
}

/* === PRINCIPLES SECTION === */
.principles-section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--building-dim);
  opacity: 0;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.6s;
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  font-family: var(--font-mono);
  border: 1px solid var(--building-dim);
  background: var(--building-surface);
}

.principle-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--building-dim);
  transition: background 0.15s ease;
  position: relative;
}

.principle-item:last-child {
  border-bottom: none;
}

.principle-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.15s ease;
}

.principle-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.principle-item:hover::before {
  background: var(--building-accent);
}

.principle-marker {
  width: 8px;
  height: 8px;
  background: var(--building-accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

.principle-content h3 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--building-text);
  margin: 0 0 0.35rem;
}

.principle-content p {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--building-muted);
  line-height: 1.5;
  margin: 0;
}

/* === STACK SECTION === */
.stack-section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--building-dim);
  opacity: 0;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.7s;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  font-family: var(--font-mono);
  border: 1px solid var(--building-dim);
  background: var(--building-surface);
}

.stack-category {
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--building-dim);
  border-bottom: 1px solid var(--building-dim);
  transition: background 0.15s ease;
  position: relative;
}

.stack-category:nth-child(3n) {
  border-right: none;
}

.stack-category:nth-last-child(-n+3) {
  border-bottom: none;
}

.stack-category::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.15s ease;
}

.stack-category:hover {
  background: rgba(255, 255, 255, 0.02);
}

.stack-category:hover::before {
  background: var(--building-accent);
}

.stack-category h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--building-accent);
  margin: 0 0 0.5rem;
}

.stack-category h3::before {
  content: '// ';
  color: var(--building-muted);
}

.stack-category p {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--building-muted);
  line-height: 1.5;
  margin: 0;
}

/* === CTA SECTION === */
.cta-section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.8s;
}

.cta-content {
  max-width: 480px;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--building-text);
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}

.cta-content > p {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  color: var(--building-muted);
  line-height: 1.6;
  margin: 0 0 1.5rem;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: var(--building-text);
  color: var(--building-bg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.cta-link:hover {
  background: var(--building-accent);
  text-decoration: none;
}

.cta-link span {
  transition: transform 0.15s ease;
}

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

/* === ANIMATIONS === */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* === RESPONSIVE === */
@media (max-width: 1000px) {
  .building-hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .build-status-panel {
    max-width: none;
  }
}

@media (max-width: 768px) {
  .building-hero {
    padding: clamp(3rem, 8vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
  }

  .building-hero h1 {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

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

  .stack-category {
    border-right: none;
    border-bottom: 1px solid var(--building-dim);
  }

  .stack-category:last-child {
    border-bottom: none;
  }
}

@media (max-width: 600px) {
  .principle-item {
    flex-direction: column;
    gap: 0.75rem;
  }

  .principle-marker {
    display: none;
  }

  .cta-content h2 {
    font-size: 1.5rem;
  }

  .project-filters {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .filter-group {
    gap: 0.5rem;
  }

  .filter-btn {
    font-size: 0.7rem;
  }
}

@media (max-width: 500px) {
  .building-hero {
    padding: 4rem 0 1.5rem;
  }
}