body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  color: #eee;
  background: #111;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0,0,0,0.8);
  padding: 10px 0;
  z-index: 1000;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 95%;
  margin: auto;
  padding: 0 15px;
  gap: 50px;
}

.nav-logo {
  height: 45px;
  width: auto;
  margin: 0;
  filter: drop-shadow(0 0 5px #b40000);
  transition: all 0.3s ease;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 25px;
  margin-left: auto;
}

.nav-links a {
  color: #f5d06f;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s;
}

.nav-links a:hover {
  color: #ffd700;
  text-shadow: 0 0 5px #b40000;
}


.hero {
  margin-top: 60px;
  text-align: center;
  padding: 20px 20px;
  position: relative;
}

.hero-banner {
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.7);
  transition: transform 0.6s ease, box-shadow 0.6s ease;
}

.hero-banner:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 40px rgba(255, 215, 0, 0.6);
}

.hero-cta {
  margin-top: 20px;
}

.btn-primary {
  display: inline-block;
  padding: 12px 25px;
  margin-top: 5px;
  background: linear-gradient(90deg, #ffd700, #ff8c00);
  color: #111;
  font-weight: bold;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(255,215,0,0.5);
}


.article-container {
  background-color: #111;
  padding: 30px 20px;
  color: #eee;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(255,215,0,0.3);
  margin-top: -20px;
}

.article-container h1,
.article-container h2 {
  text-align: center;   /* heading center */
  color: #ffd700;
  text-shadow: 0 0 5px #b40000;
  margin-bottom: 15px;
}

.article-container .container {
  max-width: 800px;
  margin: 0 auto;
}

.article-container p {
  text-align: justify;
  margin: 0 auto 15px auto;
  max-width: 750px;
  line-height: 1.6;
}

.article-container li {
  text-align: left;
  margin-left: 20px;
  margin-bottom: 8px;
}

.flexible-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .flexible-container {
    padding: 25px 15px;
  }
}

.about h2 {
  color: #f5d06f;
  margin-bottom: 20px;
}

.contact {
  background: #1a1a1a;
}

.contact h2 {
  color: #f5d06f;
}

.contact a {
  color: #f5d06f;
  text-decoration: none;
  font-weight: bold;
}

footer {
  background: #000;
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
}

footer p {
  background: linear-gradient(90deg, #ffd700, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
}

.popup {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  z-index: 2000;
}

.popup.active {
  opacity: 1;
  visibility: visible;
}

.popup-content {
  background: #111;
  padding: 20px;
  border-radius: 15px;
  text-align: center;
  max-width: 600px;
  width: 90%;
  color: #fff;
  transform: scale(0.7);
  opacity: 0;
  transition: all 0.6s ease;
  position: relative;
}

.popup.active .popup-content {
  transform: scale(1);
  opacity: 1;
}

.popup-content .close {
  position: absolute;
  top: 10px; right: 20px;
  font-size: 28px;
  color: #fff;
  cursor: pointer;
}

.popup-content h2 {
  color: #ffd700;
  text-shadow: 0 0 10px #ffd700;
}
.nav-buttons {
  margin-top: 65px; /* kasih jarak pas dari navbar */
  display: flex;
  justify-content: center;
  gap: 20px; /* jarak antar tombol */
  padding: 15px 0;
  background: #111;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.nav-buttons .btn-nav {
  flex: 0 0 150px; /* semua tombol sama lebarnya */
  text-align: center;
  padding: 12px 0;
  background: linear-gradient(90deg, #ffd700, #ff8c00);
  color: #111;
  font-weight: bold;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.nav-buttons .btn-nav:hover {
  transform: scale(1.08);
  box-shadow: 0 5px 20px rgba(255, 215, 0, 0.5);
}