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

body {
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: #0f172a;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #2563eb;
}

nav a {
  margin-left: 24px;
  text-decoration: none;
  color: #0f172a;
  font-weight: 500;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(to right, rgba(15,23,42,0.9), rgba(37,99,235,0.7)),
    url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=2072&auto=format&fit=crop') center/cover;
  color: white;
  text-align: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.hero-content p {
  max-width: 800px;
  margin: auto;
  font-size: 1.2rem;
}

.hero-buttons {
  margin-top: 40px;
}

.btn {
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  margin: 0 10px;
}

.primary {
  background: #2563eb;
  color: white;
}

.secondary {
  border: 1px solid white;
  color: white;
}

.section {
  padding: 100px 0;
}

.section h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.section-text {
  max-width: 900px;
  font-size: 1.1rem;
}

.dark {
  background: #0f172a;
  color: white;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.card {
  background: rgba(255,255,255,0.06);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
}

.card h3 {
  margin-bottom: 20px;
  color: #60a5fa;
}

.card ul {
  list-style: none;
}

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

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

form {
  display: flex;
  flex-direction: column;
}

input,
textarea {
  margin-bottom: 16px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  font-size: 1rem;
}

textarea {
  min-height: 140px;
}

button {
  background: #2563eb;
  color: white;
  border: none;
  padding: 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}

footer {
  background: #020617;
  color: white;
  padding: 30px 0;
  text-align: center;
}

@media(max-width: 768px) {

  .hero-content h1 {
    font-size: 2.2rem;
  }

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

  nav {
    display: none;
  }
}
