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

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

/* HERO */

.hero {
  min-height: 100vh;
  padding: 40px 10%;

  background:
    linear-gradient(rgba(15,23,42,.82), rgba(15,23,42,.95)),
    url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?q=80&w=1800&auto=format&fit=crop');

  background-size: cover;
  background-position: center;
}

/* NAVBAR */

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

.logo {
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-links a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  transition: .2s;
}

.nav-links a:hover {
  color: white;
}

.nav-button {
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 8px;
}

/* HERO CONTENT */

.hero-content {
  max-width: 720px;
  margin-top: 140px;
}

.eyebrow {
  letter-spacing: 2px;
  opacity: .7;
  margin-bottom: 20px;
  font-size: .9rem;
}

.hero-content h1 {
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 30px;
}

.hero-text {
  font-size: 1.2rem;
  opacity: .85;
  max-width: 620px;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

/* BUTTONS */

.btn {
  text-decoration: none;
  color: white;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: bold;
  transition: .2s;
}

.primary {
  background: #2563eb;
}

.primary:hover {
  background: #1d4ed8;
}

.secondary {
  border: 1px solid rgba(255,255,255,.25);
}

.secondary:hover {
  background: rgba(255,255,255,.08);
}

/* STATS */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;

  padding: 60px 10%;

  background: #111827;
}

.stat {
  text-align: center;
}

.stat h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

/* SERVICES */

.services {
  padding: 120px 10%;
  background: #0f172a;
}

.section-heading {
  margin-bottom: 60px;
}

.section-heading p {
  opacity: .6;
  margin-bottom: 10px;
}

.section-heading h2 {
  font-size: 2.8rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.card {
  background: #1e293b;
  padding: 35px;
  border-radius: 14px;
}

.card h3 {
  margin-bottom: 20px;
  font-size: 1.3rem;
}

/* ABOUT */

.about {
  padding: 120px 10%;
  background: #111827;
}

.about-content {
  max-width: 800px;
}

.section-tag {
  opacity: .6;
  margin-bottom: 20px;
}

.about h2 {
  font-size: 3rem;
  margin-bottom: 30px;
  line-height: 1.2;
}

.about p {
  font-size: 1.1rem;
  opacity: .85;
}

/* CTA */

.cta {
  padding: 120px 10%;
  text-align: center;
  background: #0f172a;
}

.cta h2 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.cta p {
  margin-bottom: 40px;
  opacity: .8;
}

/* FOOTER */

.footer {
  padding: 40px 10%;
  text-align: center;
  background: #020617;
  opacity: .7;
}

/* MOBILE */

@media (max-width: 768px) {

  .navbar {
    flex-direction: column;
    gap: 20px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-content h1 {
    font-size: 3rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

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

  .section-heading h2,
  .about h2,
  .cta h2 {
    font-size: 2.2rem;
  }

}