:root {
  --bg-primary: #07090e;
  --bg-secondary: #0d121d;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 54, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(59, 130, 246, 0.4);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.35);
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  --navbar-bg: rgba(7, 9, 14, 0.82);
  --hero-title-grad: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);
  --pill-bg: rgba(59, 130, 246, 0.1);
  --pill-border: rgba(59, 130, 246, 0.25);
  --pill-text: #93c5fd;
  --cli-bar-bg: rgba(13, 18, 29, 0.9);
  --cli-code-color: #60a5fa;
  --cli-btn-bg: rgba(255, 255, 255, 0.08);
  --cli-btn-color: #f1f5f9;
  --showcase-tabs-bg: rgba(255, 255, 255, 0.05);
  --showcase-tab-active-bg: rgba(26, 35, 54, 0.85);
  --showcase-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(59, 130, 246, 0.15);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  --card-hover-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  --terminal-box-bg: #090d16;
  --terminal-highlight-text: #cbd5e1;
  --table-th-bg: rgba(255, 255, 255, 0.02);
  --table-highlight-color: #38bdf8;
  --cta-bg: linear-gradient(135deg, rgba(30, 58, 138, 0.35), rgba(15, 23, 42, 0.75));
  --cta-border: rgba(59, 130, 246, 0.3);
  --ambient-bg: radial-gradient(circle at 50% 10%, rgba(59, 130, 246, 0.16) 0%, rgba(139, 92, 246, 0.08) 35%, transparent 70%);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: #ffffff;
  --border-subtle: rgba(226, 232, 240, 0.95);
  --border-highlight: rgba(37, 99, 235, 0.35);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-blue: #2563eb;
  --accent-blue-glow: rgba(37, 99, 235, 0.2);
  --accent-green: #059669;
  --accent-purple: #7c3aed;
  --navbar-bg: rgba(248, 250, 252, 0.88);
  --hero-title-grad: linear-gradient(180deg, #0f172a 35%, #334155 100%);
  --pill-bg: rgba(37, 99, 235, 0.08);
  --pill-border: rgba(37, 99, 235, 0.2);
  --pill-text: #1d4ed8;
  --cli-bar-bg: #ffffff;
  --cli-code-color: #2563eb;
  --cli-btn-bg: #f1f5f9;
  --cli-btn-color: #334155;
  --showcase-tabs-bg: #e2e8f0;
  --showcase-tab-active-bg: #ffffff;
  --showcase-shadow: 0 24px 60px rgba(15, 23, 42, 0.12), 0 4px 20px rgba(37, 99, 235, 0.08);
  --card-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  --card-hover-shadow: 0 14px 34px rgba(15, 23, 42, 0.09);
  --terminal-box-bg: #0d121f;
  --terminal-highlight-text: #334155;
  --table-th-bg: #f1f5f9;
  --table-highlight-color: #2563eb;
  --cta-bg: linear-gradient(135deg, rgba(239, 246, 255, 0.95), rgba(245, 243, 255, 0.9));
  --cta-border: rgba(191, 219, 254, 0.9);
  --ambient-bg: radial-gradient(circle at 50% 10%, rgba(37, 99, 235, 0.12) 0%, rgba(124, 58, 237, 0.06) 40%, transparent 70%);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.92);
    --bg-card-hover: #ffffff;
    --border-subtle: rgba(226, 232, 240, 0.95);
    --border-highlight: rgba(37, 99, 235, 0.35);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-blue: #2563eb;
    --accent-blue-glow: rgba(37, 99, 235, 0.2);
    --accent-green: #059669;
    --accent-purple: #7c3aed;
    --navbar-bg: rgba(248, 250, 252, 0.88);
    --hero-title-grad: linear-gradient(180deg, #0f172a 35%, #334155 100%);
    --pill-bg: rgba(37, 99, 235, 0.08);
    --pill-border: rgba(37, 99, 235, 0.2);
    --pill-text: #1d4ed8;
    --cli-bar-bg: #ffffff;
    --cli-code-color: #2563eb;
    --cli-btn-bg: #f1f5f9;
    --cli-btn-color: #334155;
    --showcase-tabs-bg: #e2e8f0;
    --showcase-tab-active-bg: #ffffff;
    --showcase-shadow: 0 24px 60px rgba(15, 23, 42, 0.12), 0 4px 20px rgba(37, 99, 235, 0.08);
    --card-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
    --card-hover-shadow: 0 14px 34px rgba(15, 23, 42, 0.09);
    --terminal-box-bg: #0d121f;
    --terminal-highlight-text: #334155;
    --table-th-bg: #f1f5f9;
    --table-highlight-color: #2563eb;
    --cta-bg: linear-gradient(135deg, rgba(239, 246, 255, 0.95), rgba(245, 243, 255, 0.9));
    --cta-border: rgba(191, 219, 254, 0.9);
    --ambient-bg: radial-gradient(circle at 50% 10%, rgba(37, 99, 235, 0.12) 0%, rgba(124, 58, 237, 0.06) 40%, transparent 70%);
  }
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Background Ambient Lighting */
.ambient-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  max-width: 1200px;
  height: 650px;
  background: var(--ambient-bg);
  pointer-events: none;
  z-index: 0;
  transition: background 0.3s ease;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: scale(1.05);
}

/* Toggle icon display logic */
.sun-icon { display: block; }
.moon-icon { display: none; }

[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .sun-icon { display: none; }
  :root:not([data-theme="dark"]) .moon-icon { display: block; }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px var(--accent-blue-glow);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--card-shadow);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem 3rem;
  text-align: center;
  z-index: 1;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--pill-text);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  transition: all 0.2s ease;
}

.hero-title {
  font-size: 3.8rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  background: var(--hero-title-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  max-width: 720px;
  margin: 0 auto 2.5rem;
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Command Copy Bar */
.cli-install-bar {
  display: inline-flex;
  align-items: center;
  background: var(--cli-bar-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.5rem 0.75rem 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-secondary);
  box-shadow: var(--card-shadow);
  transition: all 0.25s ease;
}

.cli-install-bar code {
  color: var(--cli-code-color);
  margin-right: 1.25rem;
  font-weight: 500;
}

.cli-copy-btn {
  background: var(--cli-btn-bg);
  border: 1px solid var(--border-subtle);
  color: var(--cli-btn-color);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cli-copy-btn:hover {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
}

/* Showcase Screen Switcher */
.showcase-container {
  max-width: 1040px;
  margin: 4rem auto 2rem;
  position: relative;
}

.showcase-tabs {
  display: inline-flex;
  background: var(--showcase-tabs-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 1.5rem;
}

.showcase-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem 1.25rem;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.showcase-tab.active {
  background: var(--showcase-tab-active-bg);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.screen-frame {
  position: relative;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--showcase-shadow);
  background: #000;
  transition: all 0.3s ease;
}

.screen-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Features Grid */
.features-section {
  max-width: 1200px;
  margin: 6rem auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 2rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-3px);
  box-shadow: var(--card-hover-shadow);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-subtle);
}

.icon-blue { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.icon-green { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.icon-purple { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.icon-orange { background: rgba(249, 115, 22, 0.12); color: #f97316; }
.icon-cyan { background: rgba(6, 182, 212, 0.12); color: #06b6d4; }
.icon-pink { background: rgba(236, 72, 153, 0.12); color: #ec4899; }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Terminal Interactive Section */
.split-terminal-section {
  max-width: 1200px;
  margin: 7rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.terminal-copy h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.terminal-copy p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.terminal-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.terminal-highlights li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--terminal-highlight-text);
  font-size: 0.98rem;
}

.terminal-highlights li svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

.terminal-box {
  background: var(--terminal-box-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-tabs {
  display: flex;
  gap: 0.5rem;
}

.term-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.term-tab.active {
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.15);
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #e2e8f0;
  line-height: 1.7;
}

.term-prompt { color: #60a5fa; }
.term-cmd { color: #f8fafc; font-weight: 600; }
.term-output { color: #94a3b8; }
.term-success { color: #34d399; }

/* Comparison Table */
.comparison-section {
  max-width: 1000px;
  margin: 6rem auto;
  padding: 0 2rem;
}

.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: all 0.25s ease;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 1.1rem 1.5rem;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  background: var(--table-th-bg);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

td.highlight {
  color: var(--table-highlight-color);
  font-weight: 700;
}

/* Call to Action Banner */
.cta-banner {
  max-width: 1200px;
  margin: 6rem auto 4rem;
  padding: 0 2rem;
}

.cta-box {
  background: var(--cta-bg);
  border: 1px solid var(--cta-border);
  border-radius: 20px;
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-hover-shadow);
  transition: all 0.25s ease;
}

.cta-box h2 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 540px;
  margin: 0 auto 2rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 2rem 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 900px) {
  .hero-title { font-size: 2.8rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .split-terminal-section { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}