body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #111;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

header {
  background: rgba(0,0,0,0.9);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

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

nav a {
  color: white;
  margin-left: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

nav a:hover {
  color: #6cff47;
}

.logo {
  height: 55px;
  width: auto;
}

.hero {
  background:
    linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    url('hero.jpg');

  background-size: cover;
  background-position: center;
  color: white;
  padding: 140px 0;
  text-align: left;
}

.hero h2 {
  font-size: 4rem;
  max-width: 700px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  background: #6cff47;
  color: black;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  margin-top: 20px;
}

.section {
  padding: 60px 0;
}

.dark {
  background: #111;
  color: white;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  padding: 20px;
  border: 1px solid #ddd;
  background: white;
}

.dark .card {
  color: black;
}

.form input,
.form select {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
}

button {
  padding: 10px 20px;
  background: white;
  border: none;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 20px;
  background: #f0f0f0;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo {
  height: 55px;
  width: auto;
}