/* ==========================================================================
   Random Rain 2025 - Official Website Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-secondary: #111111;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #00ff00;
  --border-color: #333333;

  /* Typography */
  --font-family: "DejaVu Sans Mono", "Menlo", "Monaco", "Consolas", monospace;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --line-height: 1.6;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;

  /* Layout */
  --max-width: 800px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-sm) 0;
  font-weight: normal;
  line-height: 1.3;
}

h2 {
  font-size: var(--font-size-xl);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

h3:first-child {
  margin-top: 0;
}

.work-credit {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-top: 0;
  margin-bottom: var(--space-sm);
}

.subsection {
  margin-left: var(--space-md);
  margin-top: var(--space-sm);
}

.subsection h4 {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

p {
  margin: 0 0 var(--space-sm) 0;
}

a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

ul {
  margin: 0 0 var(--space-sm) 0;
  padding-left: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
}

code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
}

strong {
  font-weight: normal;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow: visible;
}

.hero #canvas {
  display: block;
  font-family: var(--font-family);
  font-weight: normal;
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  background: var(--bg-primary);
  margin: var(--space-md) auto 0;
  padding: 3px 12px 8px 12px;
  white-space: pre;
  overflow: auto;
  max-width: 75vw;
  max-height: 100vh;
  line-height: 1.2;
  align-self: flex-start;
}

.hero .ip-highlight {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.hero-overlay {
  position: absolute;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9) 50%);
  text-align: center;
}

.hero h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.hero-artist {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

/* Scroll Indicator */
.scroll-indicator {
  display: inline-block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-top: var(--space-sm);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.scroll-indicator:hover {
  opacity: 0.7;
}

.scroll-indicator svg {
  display: block;
  animation: scroll-arrow 2s ease-in-out infinite;
}

@keyframes scroll-arrow {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(8px);
    opacity: 0.5;
  }
}

/* --------------------------------------------------------------------------
   Content Sections
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section + .section {
  border-top: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   Code Block
   -------------------------------------------------------------------------- */
.code-block {
  background: var(--bg-secondary);
  padding: var(--space-sm);
  overflow-x: auto;
  border: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  line-height: 1.0;
  margin: var(--space-sm) 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  display: block;
}

.caption {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Artists Section
   -------------------------------------------------------------------------- */
.artist {
  margin-bottom: var(--space-lg);
}

.artist:last-child {
  margin-bottom: 0;
}

.artist h3 {
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

.artist-link {
  margin-top: var(--space-sm);
}

.artist-link a {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Links Section
   -------------------------------------------------------------------------- */
#links ul {
  list-style: none;
  padding: 0;
}

#links li {
  margin-bottom: var(--space-sm);
}

#links a {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Collect Section
   -------------------------------------------------------------------------- */
.section-collect {
  text-align: center;
}

.section-collect h2 {
  border-bottom: none;
  padding-bottom: 0;
}

.btn-primary {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: all 0.2s ease;
  margin: var(--space-md) 0;
}

.btn-primary:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  opacity: 1;
}

.contract-info {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.contract-info h3 {
  color: var(--text-primary);
  margin-top: 0;
}

.contract-info ul {
  list-style: none;
  padding: 0;
}

.contract-info li {
  margin-bottom: var(--space-xs);
  color: var(--text-secondary);
}

.contract-info code {
  font-size: var(--font-size-xs);
  word-break: break-all;
}

.link-secondary {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-md) var(--space-md);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--border-color);
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  :root {
    --font-size-xl: 20px;
    --font-size-2xl: 26px;
    --space-xl: 64px;
  }

  .section {
    padding: var(--space-lg) var(--space-sm);
  }

  .hero-overlay {
    padding: var(--space-md) var(--space-sm);
  }

  .contract-info {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
  }
}