@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

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

body {
  background-color: #000;
  color: #fff;
  overflow-x: hidden;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  background: url('factory-building.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero .overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.55);
}

.hero .content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.hero h1 {
  font-size: 2.8rem;
  line-height: 1.4;
  font-weight: 600;
}

.hero .sub {
  margin-top: 1rem;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: #ccc;
}

.btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.8rem 1.6rem;
  background: #fff;
  color: #000;
  text-decoration: none;
  font-weight: 500;
  border-radius: 2rem;
  transition: 0.3s;
}

.btn:hover {
  background: #ccc;
}

/* About Section */
.about {
  padding: 100px 20px;
  background: #111;
  text-align: center;
}

.about h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.about p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #ccc;
  max-width: 800px;
  margin: 0 auto;
}

/* Footer */
footer {
  background: #000;
  text-align: center;
  padding: 40px 0;
  font-size: 0.9rem;
  color: #888;
}