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

body {
  background: #f5f5f5;
  color: #333;
}

/* HEADER */
header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  padding: 20px 10%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
}

.logo {
  color: white;
  font-size: 28px;
  font-weight: bold;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  transition: 0.3s;
}

nav a:hover {
  color: #00ffae;
}

/* HERO */
.hero {
  height: 100vh;
  background: url("images/banner.jpg") center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  text-align: center;
  color: white;
  z-index: 2;
}

.hero-content h1 {
  font-size: 60px;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 22px;
  margin-bottom: 30px;
}

.btn {
  padding: 14px 35px;
  background: #00ffae;
  color: black;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: white;
}

/* SECTION */
section {
  padding: 100px 10%;
}

section h2 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 40px;
}

/* ABOUT */
.about p {
  max-width: 800px;
  margin: auto;
  text-align: center;
  line-height: 1.8;
  font-size: 20px;
}

/* CARDS */
.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
}

.card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.card-content h3 {
  margin-bottom: 10px;
}

/* CONTACT */
.contact {
  text-align: center;
}

.contact button {
  margin-top: 20px;
  padding: 14px 35px;
  border: none;
  background: #00ffae;
  border-radius: 30px;
  font-size: 18px;
  cursor: pointer;
  transition: 0.3s;
}

.contact button:hover {
  background: #111;
  color: white;
}

/* FOOTER */
footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 25px;
}