/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  color: #222;
  background: #f8f8f8;
}

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

/* Navbar */
header {
  background: rgba(0, 0, 0, 0.85);
  padding: 10px 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo img {
  height: 50px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links li a {
  color: #fff;
  font-weight: bold;
}

.nav-links li a.active,
.nav-links li a:hover {
  color: #ff4757;
}

/* Hero Section */
.hero-image {
  position: relative;
  width: 100%;
  height: 100vh;
  background: url('images/logo.png') center center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-overlay {
  background: rgba(0, 0, 0, 0.5); /* dark overlay for readability */
  padding: 50px 20px;
  border-radius: 10px;
  color: white;
}

.hero-overlay h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero-overlay a {
  padding: 12px 20px;
  background: #ff4757;
  color: #fff;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.3s;
}

.hero-overlay a:hover {
  background: #e84118;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
  }

  .nav-links {
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
  }

  .hero-overlay h1 {
    font-size: 1.8rem;
  }

  .hero-overlay {
    padding: 30px 15px;
  }
}