/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
  scroll-behavior: smooth;
}

/* BODY */
body {
  background: linear-gradient(135deg, #1b4332, #081c15);
  color: white;
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 10%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

/* LOGO */
.logo {
  font-size: 30px;
  font-weight: bold;
  color: #95d5b2;
  letter-spacing: 2px;
}

/* MENU */
nav a {
  color: white;
  text-decoration: none;
  margin-left: 25px;
  transition: 0.3s;
  font-size: 17px;
}

nav a:hover {
  color: #95d5b2;
}

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

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

/* HERO CONTENT */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 20px;
}

.hero-content h1 {
  font-size: 70px;
  margin-bottom: 20px;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 22px;
  margin-bottom: 35px;
  color: #d8f3dc;
  line-height: 1.7;
}

/* BUTTON */
.btn {
  display: inline-block;
  padding: 15px 40px;
  background: #52b788;
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-size: 18px;
  transition: 0.3s;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn:hover {
  background: white;
  color: #081c15;
  transform: translateY(-5px);
}

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

/* TITLE */
section h2 {
  text-align: center;
  font-size: 45px;
  margin-bottom: 50px;
  color: #95d5b2;
}

/* ABOUT */
.about p {
  max-width: 900px;
  margin: auto;
  text-align: center;
  line-height: 2;
  font-size: 19px;
  color: #d8f3dc;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

/* CARD */
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 35px;
  border-radius: 25px;
  transition: 0.4s;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
}

/* CARD TITLE */
.card h3 {
  margin-bottom: 15px;
  color: #95d5b2;
  font-size: 25px;
}

/* CARD TEXT */
.card p {
  color: #d8f3dc;
  line-height: 1.8;
}

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

/* CONTACT TEXT */
.contact p {
  margin: 10px 0;
  font-size: 18px;
  color: #d8f3dc;
}

/* BUTTON CONTACT */
.contact button {
  margin-top: 25px;
  padding: 15px 40px;
  border: none;
  border-radius: 50px;
  background: #52b788;
  color: white;
  font-size: 18px;
  cursor: pointer;
  transition: 0.3s;
}

.contact button:hover {
  background: white;
  color: #081c15;
  transform: translateY(-5px);
}

/* FOOTER */
footer {
  background: #000;
  text-align: center;
  padding: 30px;
  color: #95d5b2;
  margin-top: 50px;
}

/* RESPONSIVE */
@media(max-width:768px) {

  header {
    flex-direction: column;
    padding: 20px;
  }

  nav {
    margin-top: 15px;
  }

  .hero-content h1 {
    font-size: 45px;
  }

  .hero-content p {
    font-size: 18px;
  }

  section h2 {
    font-size: 35px;
  }

}