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

/* BODY */
body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: #020617;
  color: #e5e7eb;
}

/* HEADER */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 80px;
  background: #020617;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: #38bdf8;
}

.site-header nav a {
  margin-left: 24px;
  text-decoration: none;
  color: #cbd5f5;
  font-weight: 500;
}

.site-header nav a:hover,
.site-header nav a.active {
  color: #38bdf8;
}

/* HERO */
/* HERO */
.hero {
  height: 70vh;

  background-image:
    linear-gradient(
      rgba(2, 6, 23, 0.65),
      rgba(2, 6, 23, 0.95)
    ),
    url("civil_img.png");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;

  display: flex;
  align-items: center;
  padding: 0 80px;
}

.hero-content {
  max-width: 650px;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 16px;
  color: #ffffff;
}

.hero p {
  font-size: 18px;
  margin-bottom: 28px;
  color: #e5e7eb;
}

/* BUTTONS */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary {
  background: #38bdf8;
  color: #020617;
}

.btn-secondary {
  background: #22c55e;
  color: #020617;
}

/* SERVICES */
.services {
  padding: 80px;
  background: #0f172a;
}

.services h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
}

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

.service-card {
  background: #020617;
  padding: 26px;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: #cbd5f5;
  line-height: 1.6;
}

/* WHY US */
.why-us {
  padding: 70px 80px;
  background: #020617;
  text-align: center;
}

.why-us h2 {
  font-size: 32px;
  margin-bottom: 30px;
}

.why-us ul {
  list-style: none;
  font-size: 16px;
}

.why-us li {
  margin-bottom: 12px;
}

/* CTA */
.cta {
  padding: 70px;
  text-align: center;
  background: #0f172a;
}

.cta h2 {
  font-size: 32px;
  margin-bottom: 10px;
}

.cta p {
  margin-bottom: 25px;
}

/* FOOTER */
footer {
  padding: 30px;
  text-align: center;
  background: #020617;
  color: #94a3b8;
  font-size: 14px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .site-header,
  .hero,
  .services,
  .why-us {
    padding: 40px 20px;
  }

  .hero h1 {
    font-size: 36px;
  }
}