:root {
  --white: #ffffff;
  --black: #000000;
  --gray-dark: #1a1a1a;
  --accent: #e6e6e6;
  --overlay: rgba(0, 0, 0, 0.55);
}

body {
  margin: 0;
  font-family: 'Open Sans', Arial, sans-serif;
  background-color: var(--white);
  color: var(--black);
}

a {
  text-decoration: none;
  color: inherit;
}

/* Navigation */
.main-header {
  background-color: var(--gray-dark);
  color: var(--white);
  padding: 1rem 2rem;
  position: relative;
  z-index: 10;
}

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

.logo {
  font-size: 1.5rem;
  margin: 0;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--white);
  font-weight: 600;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: #ccc;
}

/* Hero Section */
.hero {
  background: url('hero.jpg') center/cover no-repeat;
  height: 90vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-overlay {
  background: var(--overlay);
  color: var(--white);
  padding: 3rem;
  text-align: center;
  max-width: 800px;
  width: 90%;
}

.hero-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero-subtext {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.hero-btn {
  background-color: var(--white);
  color: var(--black);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: bold;
  transition: background 0.3s ease;
}

.hero-btn:hover {
  background-color: #ddd;
}

/* Footer */
footer {
  background-color: var(--gray-dark);
  color: var(--white);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
}

.content-container {
  max-width: 900px;         /* keeps text from stretching full width */
  margin: 0 auto;           /* centers horizontally */
  padding: 40px 20px;       /* space around content */
  line-height: 1.6;         /* better readability */
}

.content-container h1,
.content-container h2 {
  margin-top: 1.2em;
}

.content-container ul {
  padding-left: 20px;
}