body {
  font-family: 'Roboto', sans-serif;
  background: #f9fafc;
  color: #111;
  margin: 0;
  padding: 0;
}

/* Header */
.header {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box; /* wajib biar border & padding tidak nambah lebar */
  border: 1px solid #000;
  padding: 5px;
  background: #8d0303;
  overflow: hidden; /* jaga-jaga kalau ada anak elemen yang melebar */
}

/* Logo */
.logo {
  display: block;
  width: 450px;
  height: 180px;
  background: url("../files/logo.webp") center no-repeat;
  background-size: contain;
  background-repeat: no-repeat;
  margin: auto;
}

/* Mobile */
@media only screen and (max-width: 550px) {
  .logo {
    width: 100%;      /* Sesuaikan dengan layar */
    max-width: 350px; /* Biar tidak kelewat besar */
    height: 140px;    /* Tinggi ikut mengecil */
    margin: auto;
  }
}


/* Menu */
.menu {
  background: #8d0303;
  text-align: center;
  border: 1px solid #000;
}
.menu a {
  display: inline-block;
  color: #fff;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 500;
  font-size: 17px;
  border-right: 1px solid rgba(255,255,255,0.3);
}
.menu a:last-child {
  border-right: none;
}
.menu a:hover {
  background: rgba(255,255,255,0.1);
}

/* Content */
.content {
  padding: 20px;
  max-width: 900px;
  margin: auto;
}
.content h2 {
  text-align: center;
  background: #e9f3ff;
  padding: 10px;
  border-radius: 10px;
}

/* Related */
.related {
  background: #f2f6f9;
  padding: 15px;
  margin-top: 30px;
  border-radius: 10px;
}
.related h3 {
  text-align: center;
  margin-top: 0;
}
.related a {
  display: block;
  text-align: center;
  color: #006dcc;
  text-decoration: none;
  margin: 6px 0;
}

/* Footer */
footer {
  background: #8d0303;
  color: #fff;
  padding: 20px;
  text-align: center;
  font-size: 14px;
}