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

:root {
  --bg: #0a0a0a;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-border-hover: rgba(255, 255, 255, 0.12);
  --text-1: #f0f0f0;
  --text-2: #999999;
  --text-3: #555555;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.nav-brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-2);
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-link {
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text-1);
}

/* Hero */
.hero {
  text-align: center;
  padding: 100px 0 80px;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 8px 20px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-accent {
  background: linear-gradient(135deg, #ffffff 0%, #666666 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-2);
  max-width: 540px;
  margin: 0 auto 48px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-note {
  font-size: 13px;
  color: var(--text-3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.06);
}

.btn-secondary {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  color: var(--text-1);
  border-color: var(--glass-border-hover);
  background: var(--glass-bg);
  transform: translateY(-2px);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-bottom: 100px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px 28px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--text-2);
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

/* Footer */
.footer {
  text-align: center;
  padding: 40px 0 60px;
  border-top: 1px solid var(--glass-border);
}

.footer p {
  font-size: 14px;
  color: var(--text-2);
}

.footer a {
  color: var(--text-1);
  text-decoration: none;
}

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

.footer-sub {
  font-size: 12px !important;
  color: var(--text-3) !important;
  margin-top: 8px;
}

/* Responsive */
@media (max-width: 768px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .container {
    padding: 0 20px;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}