@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ================================================================
   DESIGN TOKENS - Old Money / Off-White
   ================================================================ */
:root {
  --bg-primary: #FAF8F5;
  --bg-secondary: #F3EFE9;
  --bg-card: #FFFFFF;
  --bg-code: #1C1C1C;
  --bg-code-light: #F7F5F2;
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-muted: #8A8A80;
  --accent: #C9A96E;
  --accent-dark: #A88B4A;
  --accent-light: #E8D5A8;
  --accent-subtle: rgba(201, 169, 110, 0.08);
  --border-color: #E5E0D8;
  --border-subtle: #EDEBE6;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --font-display: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================================
   RESET & BASE
   ================================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent);
}

::selection {
  background: var(--accent-light);
  color: var(--text-primary);
}

/* ================================================================
   NAVIGATION
   ================================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 1px;
}

.nav-logo .logo-icon {
  width: 30px;
  height: 30px;
  border-radius: 4px;
  background: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--bg-primary);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 2rem 5rem;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.3;
}

.hero-gradient {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 100px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-light);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 2.5rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0.3
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 600;
  letter-spacing: 2px;
  line-height: 0.95;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero p {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
}

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

.btn-primary:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: var(--accent-subtle);
}

.hero-code-preview {
  margin-top: 3.5rem;
  position: relative;
  z-index: 2;
  background: var(--bg-code);
  color: #E0E0E0;
  border: 1px solid #333;
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  text-align: left;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  box-shadow: var(--shadow-lg);
}

.hero-code-preview .code-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
}

.hero-code-preview .code-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero-code-preview .code-dots span:nth-child(1) {
  background: #ff5f57;
}

.hero-code-preview .code-dots span:nth-child(2) {
  background: #ffbd2e;
}

.hero-code-preview .code-dots span:nth-child(3) {
  background: #28ca41;
}

/* ================================================================
   ORNAMENTAL DIVIDER
   ================================================================ */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: 200px;
  margin: 0 auto;
  padding: 0.5rem 0;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.section-divider-icon {
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--accent);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* ================================================================
   SECTIONS
   ================================================================ */
.section {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent-dark);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  line-height: 1.15;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ================================================================
   PRINCIPLES
   ================================================================ */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.principle-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.principle-card {
  position: relative;
  overflow: hidden;
}

.principle-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}

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

.principle-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-light);
  color: var(--accent-dark);
}

.principle-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.principle-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ================================================================
   SYNTAX
   ================================================================ */
.syntax-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.syntax-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-secondary);
  padding: 3px;
  border-radius: var(--radius-sm);
  width: fit-content;
  border: 1px solid var(--border-subtle);
}

.syntax-tab {
  padding: 8px 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.syntax-tab.active {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.syntax-tab:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.03);
}

.syntax-panel {
  display: none;
}

.syntax-panel.active {
  display: block;
}

.code-block {
  background: var(--bg-code);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid #2A2A2A;
  background: rgba(255, 255, 255, 0.03);
}

.code-header-dots {
  display: flex;
  gap: 6px;
}

.code-header-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-header-dots span:nth-child(1) {
  background: #ff5f57;
}

.code-header-dots span:nth-child(2) {
  background: #ffbd2e;
}

.code-header-dots span:nth-child(3) {
  background: #28ca41;
}

.code-header-title {
  font-size: 0.75rem;
  color: #666;
  font-family: var(--font-mono);
}

.code-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  overflow-x: auto;
  color: #E0E0E0;
}

.code-body pre {
  margin: 0;
  white-space: pre;
}

.nx-comment {
  color: #6A6A6A;
  font-style: italic;
}

.nx-keyword {
  color: #C9A96E;
  font-weight: 600;
}

.nx-string {
  color: #8FBC8F;
}

.nx-number {
  color: #DEB887;
}

.nx-operator {
  color: #CD8B8B;
}

.nx-type {
  color: #87CEEB;
}

.nx-func {
  color: #B8A0D2;
}

.nx-punct {
  color: #888;
}

/* ================================================================
   ARCHITECTURE
   ================================================================ */
.arch-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  padding: 1.5rem 0;
}

.arch-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  min-width: 150px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.arch-stage:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}

.arch-stage-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--text-primary);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.arch-stage-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.arch-stage-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

.arch-arrow {
  font-size: 1.2rem;
  color: var(--accent);
  padding: 0 0.6rem;
  opacity: 0.5;
}

.arch-structure {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.arch-folder {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}

.arch-folder:hover {
  border-color: var(--accent-light);
}

.arch-folder-name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 0.3rem;
}

.arch-folder-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.arch-folder-files {
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ================================================================
   FEATURES
   ================================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}

.feature-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

.feature-tag.vm {
  background: rgba(201, 169, 110, 0.1);
  color: var(--accent-dark);
}

.feature-tag.compiler {
  background: rgba(100, 149, 110, 0.1);
  color: #4A7A4A;
}

.feature-tag.runtime {
  background: rgba(180, 100, 100, 0.1);
  color: #8A4A4A;
}

.feature-tag.lang {
  background: rgba(140, 120, 180, 0.1);
  color: #6A5A8A;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

.feature-code {
  margin-top: 1rem;
  background: var(--bg-code);
  color: #E0E0E0;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  overflow-x: auto;
}

/* ================================================================
   PLAYGROUND
   ================================================================ */
.playground-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 420px;
}

.playground-editor {
  background: var(--bg-code);
  display: flex;
  flex-direction: column;
}

.playground-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #2A2A2A;
  background: rgba(255, 255, 255, 0.03);
}

.playground-editor-header span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #888;
}

.playground-select {
  background: #2A2A2A;
  color: #CCC;
  border: 1px solid #444;
  padding: 4px 8px;
  font-size: 0.72rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  cursor: pointer;
}

.playground-textarea {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  color: #E0E0E0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  padding: 1rem;
  resize: none;
  outline: none;
  tab-size: 4;
}

.playground-output {
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-color);
}

.playground-output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.playground-output-header span {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.playground-run-btn {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  padding: 6px 18px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
}

.playground-run-btn:hover {
  background: #333;
}

.playground-result {
  flex: 1;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  overflow-y: auto;
  color: var(--text-primary);
  white-space: pre-wrap;
}

.playground-result .output-line {
  margin-bottom: 2px;
}

.playground-result .output-error {
  color: #B44;
}

.playground-result .output-info {
  color: var(--text-muted);
  font-style: italic;
}

.playground-hint {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ================================================================
   QUICK START
   ================================================================ */
.quickstart-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.quickstart-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}

.quickstart-step:hover {
  border-color: var(--accent-light);
}

.quickstart-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--text-primary);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.quickstart-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.quickstart-step p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.quickstart-cmd {
  background: var(--bg-code);
  color: var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: pre;
  overflow-x: auto;
}

/* ================================================================
   COMMUNITY
   ================================================================ */
.community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.community-info h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.community-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.community-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.community-stat {
  text-align: center;
}

.community-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.community-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contribution-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.contribution-form h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-submit {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  padding: 10px 24px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
}

.form-submit:hover {
  background: #333;
}

.contributor-wall {
  margin-top: 2rem;
}

.contributor-wall h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.contributor-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

.contributor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}

.contributor-card:hover {
  border-color: var(--accent-light);
}

.contributor-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-dark);
  flex-shrink: 0;
}

.contributor-details {
  flex: 1;
  min-width: 0;
}

.contributor-name {
  font-weight: 600;
  font-size: 0.85rem;
}

.contributor-type {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contributor-date {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  max-width: 1100px;
  margin: 0 auto;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

/* ================================================================
   SCROLL REVEAL
   ================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width:768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 5rem 1.5rem 3rem;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .arch-pipeline {
    flex-direction: column;
  }

  .arch-arrow {
    transform: rotate(90deg);
  }

  .features-grid,
  .principles-grid,
  .quickstart-container {
    grid-template-columns: 1fr;
  }

  .playground-container {
    grid-template-columns: 1fr;
  }

  .playground-output {
    border-left: none;
    border-top: 1px solid var(--border-color);
  }

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

/* ================================================================
   DOCUMENTATION
   ================================================================ */
.docs-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.docs-topic {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}

.docs-topic:hover {
  border-color: var(--accent-light);
}

.docs-topic[open] {
  border-color: var(--accent);
}

.docs-topic-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--text-primary);
  transition: background var(--transition);
}

.docs-topic-title::-webkit-details-marker {
  display: none;
}

.docs-topic-title::before {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.docs-topic[open]>.docs-topic-title::before {
  content: '-';
}

.docs-topic-title:hover {
  background: var(--accent-subtle);
}

.docs-topic-body {
  padding: 0 1.5rem 1.5rem;
}

.docs-topic-body h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin: 1rem 0 0.5rem;
}

.docs-topic-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.docs-code-block {
  background: var(--bg-code);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

.docs-code-block pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.85;
  color: #E0E0E0;
  white-space: pre;
}

.docs-ref-table {
  overflow-x: auto;
}

.docs-ref-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.docs-ref-table th {
  text-align: left;
  padding: 0.6rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--accent-light);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
}

.docs-ref-table td {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ================================================================
   ERROR REFERENCE
   ================================================================ */
.error-search-box {
  margin-bottom: 1rem;
}

.error-search-input {
  width: 100%;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition);
}

.error-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.error-code {
  display: inline-block;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-light);
  color: var(--accent-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.error-msg {
  background: rgba(180, 60, 60, 0.06);
  border-left: 3px solid #B33C3C;
  padding: 0.6rem 1rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #8A3030;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.error-entry.hidden {
  display: none;
}

/* ================================================================
   PLAYGROUND ERROR & SUGGESTION OUTPUT
   ================================================================ */
.output-error {
  color: #D44;
  font-weight: 600;
  padding: 2px 0;
}

.output-suggestion {
  color: var(--accent-dark);
  font-size: 0.78rem;
  padding: 4px 8px;
  margin: 4px 0;
  background: rgba(201, 169, 110, 0.08);
  border-left: 2px solid var(--accent);
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: background var(--transition);
}

.output-suggestion:hover {
  background: rgba(201, 169, 110, 0.15);
}

.output-suggestion a {
  color: var(--accent-dark);
  text-decoration: underline;
  font-weight: 600;
}

.output-line {
  padding: 1px 0;
}