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

body {
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  background: #0f1720;
  color: #f5f5f5;
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  padding: 2rem;
  background:
    linear-gradient(rgba(10,20,30,0.6), rgba(10,20,30,0.7)),
    url("images/hero.jpg") center/cover no-repeat;
}

/* NAVIGATION */
.nav {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover {
  text-decoration: underline;
}

/* HERO TEXT */
.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: #d1d5db;
}

/* MAIN SECTIONS */
main section {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

h2 {
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

ul {
  margin-left: 1.5rem;
  margin-top: 1rem;
}

li {
  margin-bottom: 0.6rem;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #9ca3af;
}