:root {
  --dark: #0A0C10;
  --blue1: #1A73E8;
  --blue2: #0A43A8;
  --light: #E6F0FF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: white;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.header {
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  padding: 15px 0;
  position: sticky;
  top: 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
  font-weight: 600;
}

.logo { height: 50px; }

.hero {
  height: 90vh;
  background: linear-gradient(135deg, var(--blue2), var(--dark));
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.hero-content p {
  margin-bottom: 30px;
  color: var(--light);
}

.section {
  padding: 80px 0;
}

.alt {
  background: linear-gradient(180deg, rgba(26,115,232,0.1), transparent);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: rgba(255,255,255,0.05);
  padding: 25px;
  border-radius: 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  background: linear-gradient(90deg, var(--blue1), var(--blue2));
  color: white;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.3s ease;
}

.btn:hover {
  opacity: 0.85;
}

.btn-large {
  padding: 16px 30px;
  font-size: 1.1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.form input, .form textarea {
  width: 100%;
  margin-bottom: 15px;
  padding: 12px;
  border-radius: 8px;
  border: none;
}

.footer {
  padding: 20px 0;
  text-align: center;
  background: #05070A;
}