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

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #050816;
  color: #f5f7fb;
  line-height: 1.6;
}

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

.header {
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(0, 194, 255, 0.35), transparent 35%),
    radial-gradient(circle at bottom left, rgba(123, 92, 255, 0.35), transparent 35%),
    #050816;
}

.nav {
  width: min(1120px, 90%);
  margin: auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
}

.logo span {
  color: #00c2ff;
}

.btn-nav,
.btn-primary,
.btn-secondary {
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 700;
}

.btn-nav,
.btn-primary {
  background: #00c2ff;
  color: #03111f;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.25);
}

.hero {
  width: min(1120px, 90%);
  margin: auto;
  min-height: calc(100vh - 96px);
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 820px;
}

.tagline,
.section-label {
  color: #00c2ff;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 800;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.02;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-text {
  max-width: 700px;
  color: #cbd5e1;
  font-size: 20px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.section {
  width: min(1120px, 90%);
  margin: auto;
  padding: 90px 0;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  color: #dbe4f0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 22px;
  padding: 28px;
  min-height: 190px;
}

.card h3 {
  color: #ffffff;
  margin-bottom: 12px;
  font-size: 22px;
}

.card p,
.why-list p,
.cta p {
  color: #cbd5e1;
}

.dark {
  background: rgba(255,255,255,0.04);
  border-radius: 32px;
  padding: 60px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.project-grid div {
  background: #0b1228;
  border: 1px solid rgba(0,194,255,0.25);
  padding: 20px;
  border-radius: 18px;
  font-weight: 700;
}

.why-list {
  display: grid;
  gap: 18px;
  font-size: 20px;
}

.why-list strong {
  color: #00c2ff;
}

.cta {
  width: min(1120px, 90%);
  margin: 50px auto 90px;
  padding: 70px;
  border-radius: 34px;
  background: linear-gradient(135deg, #00c2ff, #7b5cff);
  color: #03111f;
}

.cta p {
  color: #07101c;
  font-size: 18px;
}

.contact-box {
  margin-top: 28px;
  background: rgba(255,255,255,0.35);
  border-radius: 20px;
  padding: 24px;
}

footer {
  text-align: center;
  padding: 28px;
  color: #94a3b8;
  border-top: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 820px) {
  .about,
  .cards,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .dark,
  .cta {
    padding: 36px 24px;
  }

  .hero {
    min-height: 70vh;
    padding: 50px 0;
  }
}