:root {
  --bg: #fff;
  --bg-secondary: #f8f9fa;
  --bg-card: #fff;
  --text: #0a0a0a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --primary: #00e6b4;
  --primary-light: #00ffcc;
  --grid-color: rgba(0,0,0,0.04);
}

.dark {
  --bg: #080808;
  --bg-secondary: #0f0f0f;
  --bg-card: #111;
  --text: #f5f5f5;
  --text-muted: #888;
  --border: #1f1f1f;
  --grid-color: rgba(255,255,255,0.03);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #000;
  box-shadow: 0 4px 20px rgba(0, 230, 180, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 230, 180, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(0, 230, 180, 0.05);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

html:not(.dark) .navbar {
  background: rgba(255, 255, 255, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.125rem;
}

.nav-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: all 0.2s;
}

.theme-toggle:hover {
  border-color: var(--primary);
}

.dark .sun-icon { display: block; }
.dark .moon-icon { display: none; }
html:not(.dark) .sun-icon { display: none; }
html:not(.dark) .moon-icon { display: block; }

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.mobile-menu.active {
  display: flex;
}

@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 0 6rem;
  overflow: hidden;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero-glow-1 {
  top: 20%;
  left: 20%;
  width: 400px;
  height: 400px;
  background: rgba(0, 230, 180, 0.15);
  animation: pulse 6s ease-in-out infinite;
}

.hero-glow-2 {
  bottom: 20%;
  right: 20%;
  width: 350px;
  height: 350px;
  background: rgba(0, 200, 255, 0.1);
  animation: pulse 6s ease-in-out infinite 3s;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 2rem;
  color: var(--text-muted);
}

.hero-badge svg {
  color: var(--primary);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #00ffcc 50%, #00d4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

/* Terminal */
.terminal {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
}

.terminal-line {
  padding: 0.25rem 0;
  color: var(--text-muted);
}

.terminal-prompt {
  color: var(--primary);
  margin-right: 0.5rem;
}

.terminal-success {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  margin-top: 1rem;
  font-size: 0.75rem;
}

/* Stats */
.stats {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.stat-value {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(180deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

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

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Features */
.features {
  padding: 6rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 230, 180, 0.1);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Pricing */
.pricing {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
  }
}

.pricing-card {
  position: relative;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: var(--primary);
}

.pricing-card.popular {
  border: 2px solid var(--primary);
  box-shadow: 0 20px 60px rgba(0, 230, 180, 0.15);
}

@media (min-width: 768px) {
  .pricing-card.popular {
    transform: scale(1.05);
    z-index: 1;
  }
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #000;
  padding: 0.375rem 1rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.pricing-header {
  margin-bottom: 1.5rem;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.plan-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.plan-price {
  margin-bottom: 2rem;
}

.plan-price .price {
  font-size: 3rem;
  font-weight: 800;
}

.plan-price .period {
  color: var(--text-muted);
  font-size: 1rem;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
}

.plan-features svg {
  color: var(--primary);
  flex-shrink: 0;
}

.pricing-footer {
  text-align: center;
  margin-top: 3rem;
  color: var(--text-muted);
}

.pricing-footer a {
  color: var(--primary);
}

.pricing-footer a:hover {
  text-decoration: underline;
}

/* FAQ */
.faq {
  padding: 6rem 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  font-family: inherit;
}

.faq-question svg {
  color: var(--text-muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s;
}

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

/* Support */
.support {
  padding: 6rem 0;
  background: var(--bg-secondary);
  text-align: center;
}

.support-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.support-note {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* CTA */
.cta {
  position: relative;
  padding: 8rem 0;
  text-align: center;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: rgba(0, 230, 180, 0.1);
  border-radius: 50%;
  filter: blur(150px);
  pointer-events: none;
}

.cta .container {
  position: relative;
  z-index: 1;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 1rem auto 2.5rem;
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand .nav-brand {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-muted);
  max-width: 300px;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.powered-by {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.powered-by svg {
  color: var(--primary);
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 6rem 0 4rem;
  }
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .btn-lg {
    width: 100%;
    max-width: 300px;
  }
  .terminal {
    margin: 0 1rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}