/* 1. CSS Reset & Variables */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-glass: rgba(17, 17, 17, 0.65);
  --bg-glass-hover: rgba(17, 17, 17, 0.75);
  
  --text-primary: #f0e6d3;
  --text-secondary: rgba(240, 230, 211, 0.6);
  --text-muted: rgba(240, 230, 211, 0.35);
  
  --accent-gold: #c9a84c;
  --accent-gold-light: #dfc477;
  --accent-emerald: #2d6a4f;
  --accent-emerald-light: #40916c;
  
  --border-glass: rgba(201, 168, 76, 0.12);
  --border-glass-hover: rgba(201, 168, 76, 0.3);
  
  --font-mono: 'JetBrains Mono', monospace;
  --font-serif: 'Cormorant Garamond', serif;
}

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

html {
  scroll-behavior: smooth;
}

/* 3. Base Body Styles */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-serif);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 17. Selection Styling */
::selection {
  background-color: rgba(201, 168, 76, 0.2);
  color: var(--text-primary);
}

/* 18. Focus-visible Styling */
:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 4px;
}

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

/* 4. Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(201, 168, 76, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* 5. p5.js Container */
#p5-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  filter: blur(1px);
}

/* 6. Navigation */
nav.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  transition: background-color 0.3s ease;
}

nav.main-nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.nav-link a:hover {
  color: var(--accent-gold);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--accent-gold);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.nav-link.active a {
  color: var(--accent-gold);
}

/* 7. Hero Section */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 70px; /* For nav */
  position: relative;
}

.hero-prefix {
  font-family: var(--font-mono);
  color: var(--accent-gold);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.hero-name {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--text-secondary);
  min-height: 2rem;
  margin-bottom: 1rem;
}

.hero-cursor {
  display: inline-block;
  width: 8px;
  height: 1.2rem;
  background-color: var(--accent-gold);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2rem;
  max-width: 500px;
  line-height: 1.6;
}

.hero-location {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.comment-prefix {
  color: var(--accent-gold);
  opacity: 0.5;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.cta-btn {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  padding: 14px 32px;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-block;
}

.cta-btn.primary {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
  border: 1px solid var(--accent-gold);
  font-weight: 600;
}

.cta-btn.primary:hover {
  background-color: var(--accent-gold-light);
  border-color: var(--accent-gold-light);
  transform: translateY(-2px);
}

.cta-btn.secondary {
  background-color: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}

.cta-btn.secondary:hover {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--accent-gold);
  border-bottom: 2px solid var(--accent-gold);
  transform-origin: center;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0) rotate(45deg);
  }
  40% {
    transform: translateX(-50%) translateY(-10px) rotate(45deg);
  }
  60% {
    transform: translateX(-50%) translateY(-5px) rotate(45deg);
  }
}

/* 8. Section Common Styles */
section {
  padding: 8rem 0;
  position: relative;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-label::before {
  content: '// ';
  opacity: 0.4;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-divider {
  width: 60px;
  height: 1px;
  background-color: var(--accent-gold);
  margin-bottom: 3rem;
  opacity: 0.4;
}

/* 9. Section Reveal Animations */
.section-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 10. About Section */
.about-content {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 700px;
}

.about-quote {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-gold);
  font-style: italic;
  padding: 2rem;
  margin: 3rem 0;
  border-radius: 0 8px 8px 0;
  color: var(--text-primary);
}

.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.discipline-tag {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 1.2rem;
  text-align: center;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.discipline-tag:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
  background: var(--bg-glass-hover);
}

.discipline-icon {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
  color: var(--accent-gold);
  opacity: 0.7;
}

/* 11. XO Royalty Section */
.xo-manifesto {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-gold);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  padding: 3rem;
  margin-bottom: 3rem;
  border-radius: 0 8px 8px 0;
  color: var(--text-primary);
}

.xo-meaning {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.meaning-card {
  display: flex;
  flex-direction: column;
}

.meaning-letter {
  font-family: var(--font-mono);
  font-size: 3rem;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.meaning-dash {
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}

.meaning-desc {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.xo-description {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.xo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.xo-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 6px 16px;
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  color: var(--text-secondary);
  background: var(--bg-glass);
}

.xo-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

/* 12. Books Section */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.book-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 2.5rem;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.book-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-5px);
  background: var(--bg-glass-hover);
}

.book-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), transparent);
}

.book-number {
  font-family: var(--font-mono);
  font-size: 5rem;
  position: absolute;
  top: -10px;
  right: 10px;
  color: var(--accent-gold);
  opacity: 0.08;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.book-genre {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.book-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.book-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.book-download {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  text-decoration: none;
  transition: transform 0.3s ease;
}

.book-download:hover {
  transform: translateX(4px);
}

.book-download::after {
  content: '→';
}

.book-footer {
  display: flex;
  align-items: center;
  margin-top: auto;
}

.book-size {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  margin-left: auto;
}

.download-arrow {
  transition: transform 0.3s ease;
}

.book-download:hover .download-arrow {
  transform: translateX(4px);
}

/* 13. Code Section */
.terminal-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  margin-bottom: 3rem;
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(20, 20, 20, 0.8);
}

.terminal-dots {
  display: flex;
  gap: 6px;
  margin-right: 1rem;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background-color: #ff5f56; }
.terminal-dot:nth-child(2) { background-color: #ffbd2e; }
.terminal-dot:nth-child(3) { background-color: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-grow: 1;
  text-align: center;
}

.terminal-body {
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
  overflow-x: auto;
}

.terminal-line {
  display: flex;
  margin-bottom: 0.5rem;
}

.terminal-prompt {
  color: var(--accent-gold);
  margin-right: 0.5rem;
  user-select: none;
}

.terminal-comment {
  color: var(--text-muted);
  display: block;
}

.terminal-link {
  color: var(--accent-emerald);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent-emerald);
  transition: all 0.3s ease;
}

.terminal-link:hover {
  color: var(--accent-emerald-light);
  border-bottom-style: solid;
}

.terminal-output {
  color: var(--text-primary);
}

.music-section {
  margin-top: 3rem;
}

.music-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.music-desc {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.track-list {
  list-style: none;
}

.track-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 2;
}

.track-branch {
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.track-link {
  color: var(--accent-emerald-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.track-link:hover {
  color: var(--accent-gold);
}

.track-year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.discography-heading {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 2rem 0 1rem;
  opacity: 0.8;
}

.music-cta {
  margin-top: 2rem;
}

/* 14. Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 2rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: block;
}

.blog-card:hover {
  transform: scale(1.02);
  border-color: var(--border-glass-hover);
  background: var(--bg-glass-hover);
}

.blog-category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.blog-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0.8rem 0;
  color: var(--text-primary);
}

.blog-excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.blog-link {
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-link::after {
  transform: translateX(4px);
}

.blog-cta {
  text-align: center;
  margin-top: 3rem;
}

/* 15. Footer */
footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-glass);
  text-align: center;
  position: relative;
  background: rgba(10, 10, 10, 0.8);
}

.footer-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--accent-gold);
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 1.5rem 0;
}

.footer-link {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--accent-gold);
}

.footer-sep {
  color: var(--text-muted);
}

.footer-info {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2rem;
}

.footer-location {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* 16. Responsive Breakpoints */
@media (max-width: 1024px) {
  section {
    padding: 5rem 0;
  }
}

@media (max-width: 768px) {
  nav.main-nav {
    padding: 0;
  }

  .mobile-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .nav-link a {
    font-size: 1.2rem;
  }
  
  .hero-name {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  
  .xo-meaning, .books-grid, .blog-grid, .disciplines-grid {
    grid-template-columns: 1fr;
  }
  
  .xo-manifesto {
    padding: 2rem;
    font-size: 1.2rem;
  }
  
  .terminal-body {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  section {
    padding: 4rem 0;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .book-card, .blog-card, .xo-manifesto {
    padding: 1.5rem;
  }
}

/* 19. Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .section-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  
  .hero-cursor {
    animation: none;
    opacity: 1;
  }
}