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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0f1020;
  color: white;
  line-height: 1.6;
}

.navbar {
  width: 100%;
  padding: 18px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 16, 32, 0.9);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  font-size: 1.4rem;
  font-weight: bold;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  opacity: 0.85;
}

nav a:hover {
  opacity: 1;
}

.hero {
  min-height: 85vh;
  padding: 90px 8%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at top left, rgba(98, 0, 255, 0.45), transparent 35%),
    radial-gradient(circle at bottom right, rgba(0, 174, 255, 0.35), transparent 35%);
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  max-width: 800px;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  color: #d9d9e8;
  margin-bottom: 30px;
}

.button {
  display: inline-block;
  width: fit-content;
  padding: 13px 24px;
  background: linear-gradient(135deg, #7c3cff, #00b7ff);
  color: white;
  text-decoration: none;
  border-radius: 12px;
  font-weight: bold;
  transition: transform 0.2s, opacity 0.2s;
}

.button:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.section {
  padding: 80px 8%;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
}

.section p {
  color: #d9d9e8;
  max-width: 750px;
}

.cards {
  margin-top: 35px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.card h3 {
  margin-bottom: 10px;
}

.contact {
  text-align: center;
}

.contact p {
  margin: 0 auto 25px;
}

.secondary {
  background: transparent;
  border: 1px solid white;
}

footer {
  text-align: center;
  padding: 25px;
  color: #bbbbcc;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Phone layout */
@media (max-width: 700px) {
  .navbar {
    flex-direction: column;
    gap: 12px;
  }

  nav a {
    margin: 0 8px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    text-align: center;
    align-items: center;
  }
}