/* ============================================
   PnLClaw Website Styles
   Dark fintech aesthetic with neon accents
   ============================================ */

/* CSS Variables */
:root {
  --bg-primary: #070709;
  --bg-secondary: #0c0c12;
  --bg-card: rgba(16, 16, 24, 0.85);
  --bg-card-hover: rgba(24, 24, 36, 0.9);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(0, 229, 160, 0.3);
  
  --accent-primary: #00e5a0;
  --accent-secondary: #00b8ff;
  --accent-warn: #ff6b35;
  --accent-gold: #ffd700;
  
  --text-primary: #f0f0f5;
  --text-secondary: #8a8a9a;
  --text-muted: #555560;
  
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Outfit', system-ui, sans-serif;
  
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 229, 160, 0.3) var(--bg-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 229, 160, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 229, 160, 0.5);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* Background Canvas */
#bgCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Experimental Banner
   ============================================ */
.experimental-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.12), rgba(255, 107, 53, 0.05));
  border-bottom: 1px solid rgba(255, 107, 53, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 24px;
  transition: var(--transition-base);
}

.exp-content {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ff9e7a;
  font-size: 0.8125rem;
  font-weight: 500;
}

.exp-content svg {
  flex-shrink: 0;
  color: var(--accent-warn);
}

.exp-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.exp-close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.experimental-banner.hidden {
  transform: translateY(-100%);
  opacity: 0;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-base);
  border-bottom: 1px solid transparent;
}

.navbar.banner-hidden {
  top: 0;
}

.navbar.scrolled {
  background: rgba(7, 7, 9, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-subtle);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.logo-icon {
  color: var(--accent-primary);
  font-size: 1.4rem;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 10px rgba(0, 229, 160, 0.5); }
  50% { text-shadow: 0 0 25px rgba(0, 229, 160, 0.8), 0 0 40px rgba(0, 229, 160, 0.3); }
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: var(--transition-base);
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 40%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
  border-radius: 1px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: #000;
  box-shadow: 0 4px 20px rgba(0, 229, 160, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 229, 160, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 150px 24px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
  pointer-events: none;
  animation: glow-breathe 6s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin-bottom: 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.15);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--accent-primary);
  margin-bottom: 32px;
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

.title-line {
  display: block;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.title-line-secondary {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 12px;
  font-family: var(--font-sans);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* Hero Terminal */
.hero-terminal {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 680px;
  background: rgba(10, 10, 16, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(0, 229, 160, 0.05);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

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

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

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27ca40; }

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

.terminal-body {
  padding: 20px 24px 24px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  min-height: 180px;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.prompt {
  color: var(--accent-primary);
  font-weight: 600;
}

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

.cursor {
  color: var(--accent-primary);
  animation: cursor-blink 1s step-end infinite;
}

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

.terminal-output {
  color: var(--text-secondary);
  padding-left: 20px;
}

.terminal-output .output-line {
  margin-bottom: 4px;
  opacity: 0;
  animation: fade-in-up 0.3s ease forwards;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.scroll-mouse {
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-muted);
  border-radius: 10px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
  0% { top: 6px; opacity: 1; }
  100% { top: 16px; opacity: 0; }
}

/* ============================================
   Sections General
   ============================================ */
.section {
  position: relative;
  z-index: 2;
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Overview Section
   ============================================ */
.overview {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 229, 160, 0.02) 50%, transparent 100%);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.principle-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.principle-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}

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

.principle-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 229, 160, 0.08);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  margin-bottom: 20px;
}

.principle-card h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.principle-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================
   Why Section
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.why-card {
  background: var(--bg-secondary);
  padding: 40px;
  transition: var(--transition-base);
  position: relative;
}

.why-card:hover {
  background: var(--bg-card-hover);
}

.why-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 16px;
  opacity: 0.7;
}

.why-card h3 {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ============================================
   Features Section
   ============================================ */
.features-table {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
  align-items: start;
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.feature-name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
}

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

/* ============================================
   Workflow Section
   ============================================ */
.workflow-showcase {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.chat-window {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.chat-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: #000;
}

.chat-info {
  display: flex;
  flex-direction: column;
}

.chat-name {
  font-weight: 600;
  font-size: 0.875rem;
}

.chat-status {
  font-size: 0.75rem;
  color: var(--accent-primary);
}

.chat-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 520px;
  overflow-y: auto;
}

.chat-message {
  display: flex;
  animation: fade-in-up 0.4s ease forwards;
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-message.agent {
  justify-content: flex-start;
}

.chat-bubble {
  max-width: 85%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.6;
}

.chat-message.user .chat-bubble {
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.15);
  color: var(--text-primary);
}

.chat-message.agent .chat-bubble {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.tool-call {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.tool-name {
  color: var(--accent-secondary);
  background: rgba(0, 184, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
}

.tool-status {
  color: var(--accent-primary);
}

.highlight {
  color: var(--accent-primary);
  font-weight: 600;
}

.highlight-red {
  color: var(--accent-warn);
  font-weight: 600;
}

.suggestion {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
  color: var(--accent-gold);
  font-size: 0.8rem;
}

.workflow-capabilities {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.capability {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-base);
}

.capability:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
}

.capability-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.capability h4 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

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

/* ============================================
   Skills Section
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-base);
}

.skill-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.skill-id {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 600;
}

.skill-name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-primary);
  font-weight: 600;
}

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

.skills-mcp {
  display: flex;
  justify-content: center;
}

.mcp-card {
  background: linear-gradient(135deg, rgba(0, 229, 160, 0.05), rgba(0, 184, 255, 0.05));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 600px;
  text-align: center;
}

.mcp-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.mcp-card h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.mcp-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ============================================
   Architecture Section
   ============================================ */
.architecture-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.arch-layer {
  width: 100%;
  max-width: 500px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  text-align: center;
}

.arch-app {
  background: rgba(0, 184, 255, 0.08);
  border: 1px solid rgba(0, 184, 255, 0.2);
}

.arch-api {
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.2);
}

.arch-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.arch-app .arch-label { color: var(--accent-secondary); }
.arch-api .arch-label { color: var(--accent-primary); }

.arch-detail {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.arch-arrow {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 1.2rem;
}

.arch-packages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  width: 100%;
  max-width: 700px;
}

.arch-package {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.arch-package:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.arch-flow {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
}

.arch-flow strong {
  color: var(--accent-primary);
}

/* ============================================
   Quick Start Section
   ============================================ */
.quickstart-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.quickstart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: var(--transition-base);
}

.quickstart-card:hover {
  border-color: var(--border-glow);
}

.quickstart-badge {
  position: absolute;
  top: -1px;
  right: 24px;
  background: var(--accent-primary);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-transform: uppercase;
}

.quickstart-card h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.quickstart-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.quickstart-steps {
  list-style: none;
  counter-reset: step;
  margin-bottom: 24px;
}

.quickstart-steps li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.quickstart-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 12px;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
}

.code-header span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  color: var(--accent-primary);
}

.code-block pre {
  padding: 14px;
  overflow-x: auto;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.exchanges-section {
  text-align: center;
}

.exchanges-section h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.exchanges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.exchange-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.exchange-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9375rem;
}

.exchange-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  padding: 3px 10px;
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.15);
  border-radius: 100px;
  color: var(--accent-primary);
}

/* ============================================
   Download Section
   ============================================ */
.download-section {
  padding: 80px 0;
}

.download-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  overflow: hidden;
}

.download-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.download-card h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin-bottom: 12px;
  position: relative;
}

.download-card > p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.download-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
  position: relative;
}

.download-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  position: relative;
}

.meta-divider {
  color: var(--border-subtle);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 32px;
  position: relative;
  z-index: 2;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand .logo-icon {
  font-size: 1.8rem;
}

.footer-brand .logo-text {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 4px;
}

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(7, 7, 9, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .workflow-showcase {
    grid-template-columns: 1fr;
  }
  
  .quickstart-options {
    grid-template-columns: 1fr;
  }
  
  .features-table .feature-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .stat-divider {
    display: none;
  }
  
  .hero-stats {
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 64px 0;
  }
  
  .hero {
    padding: 100px 16px 60px;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .principles-grid,
  .why-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 32px;
  }
  
  .footer-links {
    gap: 32px;
  }
  
  .architecture-diagram {
    padding: 24px;
  }
  
  .arch-packages {
    grid-template-columns: repeat(2, 1fr);
  }
}