:root {
  --bg: #0B0F19;
  --cyan: #00E5FF;
  --purple: #7000FF;
  --text-primary: #FFFFFF;
  --text-secondary: #B8C0D4;
  --card-bg: #0F1420;
  --card-border: #1A1F2E;
  --text-tertiary: #6E7791;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

/* Fade-in on scroll */
.fade-section {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 220ms ease-out, color 220ms ease-out, transform 220ms ease-out;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--cyan);
  color: #071019;
}

.btn-primary:hover {
  background-color: #4FEFFF;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--cyan);
  color: var(--cyan);
}

.btn-outline:hover {
  background-color: var(--cyan);
  color: #071019;
}

/* Hero */
.hero {
  padding: 140px 32px 96px;
  max-width: 1240px;
  margin: 0 auto;
}

.hero-inner {
  max-width: 900px;
}

.hero-logo {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 64px;
  color: var(--text-primary);
  line-height: 1.1;
}

.hero-subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 24px;
  color: var(--cyan);
  margin-top: 12px;
}

.hero-text {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  margin-top: 24px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Section title */
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 28px;
  padding: 0 32px;
  max-width: 1240px;
  margin: 0 auto 40px;
}

.divisions {
  padding: 64px 0;
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding: 0 32px;
  max-width: 1240px;
  margin: 0 auto;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px;
  transition: transform 220ms ease-out, border-color 220ms ease-out, box-shadow 220ms ease-out;
}

.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.card-slash {
  color: var(--text-tertiary);
  font-weight: 500;
}

.card-text {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.card-stack {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.card-cyan:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.2);
}

.card-purple {
  border-color: var(--purple);
}

.card-purple:hover {
  transform: translateY(-6px);
  border-color: var(--purple);
  box-shadow: 0 0 30px rgba(112, 0, 255, 0.25);
}

/* CTA */
.cta {
  border-top: 1px solid var(--card-border);
  padding: 80px 32px;
  max-width: 1240px;
  margin: 0 auto;
  text-align: left;
}

.cta-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 32px;
  max-width: 700px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 96px 20px 64px;
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }

  .section-title {
    font-size: 22px;
    padding: 0 20px;
  }

  .divisions {
    padding: 48px 0;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }

  .cta {
    padding: 56px 20px;
  }

  .cta-title {
    font-size: 21px;
  }
}