* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  line-height: 1.6;
  color: #111;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

header {
  background: #000;
  padding: 20px 0;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

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

.logo {
  color: #fff;
  font-weight: 600;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 25px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

.menu-toggle {
  display: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
}

.hero {
  height: 100vh;
  background: url('images/hero.jpg') center/cover no-repeat;
  position: relative;
}

.hero-overlay {
  background: rgba(0,0,0,0.65);
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  padding-top: 80px;
}

.hero h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid #fff;
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  background: #fff;
  color: #000;
}

.section {
  padding: 100px 0;
}

.light {
  background: #fff;
  color: #000;
}

.dark {
  background: #000;
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  padding: 30px;
  border: 1px solid #ddd;
  transition: 0.3s;
  background: #fff;
}

.card:hover {
  transform: translateY(-5px);
}

.center-text {
  text-align: center;
  max-width: 800px;
  margin: auto;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px;
  margin: 10px 0;
  border: 1px solid #ccc;
}

.dark-btn {
  background: #000;
  color: #fff;
  border: none;
}

footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 20px;
}

@media (max-width: 768px) {
  nav ul {
    position: absolute;
    top: 70px;
    right: 0;
    background: #000;
    flex-direction: column;
    width: 220px;
    display: none;
  }

  nav ul.active {
    display: flex;
  }

  nav ul li {
    margin: 20px;
  }

  .menu-toggle {
    display: block;
  }

  .hero h2 {
    font-size: 28px;
  }
}