:root {
  --bg-color: #09090b;
  --panel-bg: rgba(24, 24, 27, 0.6);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #38bdf8;
  --primary-hover: #0ea5e9;
  --accent-1: #818cf8;
  --accent-2: #c084fc;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --glow-opacity: 0.15;
}

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

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

/* Background Effects */
.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
}

.glow-1 {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, var(--accent-1) 0%, transparent 70%);
  opacity: var(--glow-opacity);
}

.glow-2 {
  bottom: -200px;
  right: -100px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  opacity: 0.1;
}

/* Glassmorphism Utilities */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Typography */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.github-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  color: var(--text-main) !important;
  transition: background 0.2s ease, transform 0.2s ease;
}

.github-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

/* Layout */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 2rem;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 85vh;
  padding: 2rem 0;
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #000;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
}

.code-snippet-inline {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--panel-border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: 1rem;
  transition: color 0.2s;
  font-size: 1.1rem;
}

.copy-btn:hover {
  color: var(--text-main);
}

/* Terminal Window Window */
.terminal-window {
  background: #000;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.terminal-window:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.terminal-header {
  background: #1e1e1e;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dark-header {
  background: #111;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  color: #888;
  font-size: 0.75rem;
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-sans);
}

.terminal-body {
  padding: 1.5rem;
  color: #e5e5e5;
  line-height: 1.5;
}

.prompt { color: #27c93f; font-weight: bold; }
.command { color: #f8fafc; }
.text-cyan { color: #38bdf8; }
.text-gray { color: #6b7280; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }

/* Sections Common */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Installation */
.installation .section-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  padding: 3rem;
  align-items: center;
}

.install-steps {
  list-style: none;
  margin-top: 2rem;
}

.install-steps li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
}

.install-steps li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.code-block-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
}

.code-block {
  background: #000;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
  line-height: 1.6;
}

.keyword { color: #38bdf8; }
.comment { color: #6b7280; font-style: italic; }

.absolute-copy {
  position: absolute;
  top: 10px;
  right: 15px;
  background: rgba(255,255,255,0.1);
  padding: 5px;
  border-radius: 4px;
}

/* Usage */
.usage-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.step-card {
  position: relative;
  padding: 2.5rem 2rem;
  background: rgba(24, 24, 27, 0.4);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  overflow: hidden;
}

.step-number {
  position: absolute;
  top: -10px;
  right: 10px;
  font-size: 6rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  z-index: 0;
}

.step-card h3, .step-card p, .step-card .mini-code {
  position: relative;
  z-index: 1;
}

.step-card h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.step-card p {
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.mini-code {
  background: #000;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  color: #27c93f;
  margin-bottom: 1rem;
  border: 1px solid rgba(255,255,255,0.05);
}

.step-desc {
  font-size: 0.85rem !important;
  color: var(--text-muted) !important;
  margin-bottom: 0 !important;
}

.mini-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background: rgba(56, 189, 248, 0.1);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Footer */
footer {
  border-top: 1px solid var(--panel-border);
  padding: 3rem 0;
  margin-top: 4rem;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary);
  color: #000;
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 1000;
  box-shadow: 0 10px 20px rgba(56, 189, 248, 0.3);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-subtitle {
    margin: 0 auto 2.5rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .installation .section-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-links {
    display: none; /* simple mobile */
  }
}