:root {
  --bg: #0B1220;
  --card-bg: #111A2E;
  --text: #F8FAFC;
  --text-secondary: #94A3B8;
  --accent: #5EEAD4;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 80px 24px;
}

section {
  margin-bottom: 96px;
}

section:last-child {
  margin-bottom: 0;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0;
}

.brand {
  font-size: 48px;
  font-weight: 700;
  margin: 8px 0 0 0;
}

.tagline {
  color: var(--text);
  font-size: 20px;
  margin: 0;
}

.stack {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 12px 0;
}

.cta {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 3px;
  transition: background 0.2s ease, color 0.2s ease;
}

.cta:hover {
  background: var(--accent);
  color: var(--bg);
}

.services h2,
.about h2,
.contact h2 {
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin: 0 0 32px 0;
  text-align: center;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--card-bg);
  border-radius: 6px;
  padding: 24px;
}

.service-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 10px 0;
}

.service-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.about {
  text-align: center;
}

.about p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

.contact {
  text-align: center;
}

.contact-link {
  color: var(--accent);
  font-size: 20px;
  text-decoration: none;
}

.contact-link:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 56px 20px;
  }
  .brand {
    font-size: 34px;
  }
  .tagline {
    font-size: 17px;
  }
  section {
    margin-bottom: 64px;
  }
}