html {  
      scroll-behavior: smooth;  
    }  

body { font-family: Arial, sans-serif; margin: 0; padding: 0; background-color: #f8f8f8; text-align: center; transition: background 0.3s, color 0.3s; }

header {
  position: sticky;
  top: 0;
  background-color: #fff;
  z-index: 100; padding: 15px; font-size: 28px; font-weight: bold; }

.menu-icon, .mode-toggle {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  cursor: pointer;
  user-select: none;
}

.menu-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  cursor: pointer;
  user-select: none;
  color: #b3ecff;
  animation: neon-glow-cycle 3s infinite;
  text-shadow:
    0 0 4px #00bfff,
    0 0 10px #00bfff,
    0 0 20px #00dfff,
    0 0 30px #00eaff,
    0 0 40px #00f6ff;
}

@keyframes neon-glow-cycle {
  0% {
    color: #00bfff;
    text-shadow:
      0 0 6px #00bfff,
      0 0 12px #00bfff,
      0 0 18px #00bfff;
  }
  33% {
    color: #b3ecff;
    text-shadow:
      0 0 10px #b3ecff,
      0 0 20px #b3ecff,
      0 0 30px #b3ecff;
  }
  66% {
    color: #ff8000;
    text-shadow:
      0 0 10px #ff8000,
      0 0 20px #ff6600,
      0 0 30px #ff3300;
  }
  100% {
    color: #00bfff;
    text-shadow:
      0 0 6px #00bfff,
      0 0 12px #00bfff,
      0 0 18px #00bfff;
  }
}

.mode-toggle {
  right: 20px;
  width: 44px;
  height: 44px;
  background: #fff;
  border-radius: 50%;
  border: 2px solid #333;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 6px rgba(0, 183, 255, 0.4);
}

.menu { position: fixed; top: 0; left: -100%; width: 60%; height: 100%; background: rgba(0, 0, 0, 0.85); box-shadow: 2px 0 15px rgba(0, 183, 255, 0.5); padding: 30px 20px; transition: 0.3s ease; z-index: 1000; }

.menu.active { left: 0; }

.menu nav ul {
  list-style: none;
  padding: 0;
  margin: 60px 0 0 0; 
}

.menu nav li { margin-bottom: 20px; }

.menu a { display: block; font-size: 18px; font-weight: bold; color: #9eeaff; text-decoration: none; padding: 10px 15px; border-radius: 8px; background: rgba(0, 183, 255, 0.05); transition: background 0.2s, box-shadow 0.2s; box-shadow: 0 0 8px rgba(0, 183, 255, 0.2); }

.menu a:hover { background: rgba(0, 183, 255, 0.2); box-shadow: 0 0 12px #00bfff, 0 0 20px #00bfff; }

.pulse-glow {
  color: #9eeaff;
  text-shadow: 0 0 6px #00bfff, 0 0 12px #00bfff;
  animation: pulseGlow 2s infinite;
  transition: transform 0.2s ease;
}

.pulse-glow:hover {
  color: #e0faff;
  text-shadow: 0 0 10px #00d0ff, 0 0 20px #00d0ff;
}

@keyframes pulseGlow {
  0% {
    text-shadow: 0 0 6px #00bfff, 0 0 12px #00bfff;
  }
  50% {
    text-shadow: 0 0 12px #00dfff, 0 0 24px #00dfff;
  }
  100% {
    text-shadow: 0 0 6px #00bfff, 0 0 12px #00bfff;
  }
}

.close-menu {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 26px;
  cursor: pointer;
  color: #9eeaff;
  text-shadow:
    0 0 6px #00bfff,
    0 0 12px #00bfff;
  animation: pulseCloseGlow 4s infinite ease-in-out;
  z-index: 1001;
  transition: transform 0.2s ease;
}

.close-menu:hover {
  transform: scale(1.2);
  color: #e0faff;
  text-shadow:
    0 0 10px #00d0ff,
    0 0 20px #00d0ff;
}

@keyframes pulseCloseGlow {
  0% {
    color: #00bfff;
    text-shadow:
      0 0 6px #00bfff,
      0 0 12px #00bfff,
      0 0 18px #00bfff;
  }
  33% {
    color: #b3ecff;
    text-shadow:
      0 0 10px #b3ecff,
      0 0 20px #b3ecff,
      0 0 30px #b3ecff;
  }
  66% {
    color: #ff8000;
    text-shadow:
      0 0 10px #ff8000,
      0 0 20px #ff6600,
      0 0 30px #ff3300;
  }
  100% {
    color: #00bfff;
    text-shadow:
      0 0 6px #00bfff,
      0 0 12px #00bfff,
      0 0 18px #00bfff;
  }
}


.description { font-family: 'Arial', sans-serif; color: #e6f7ff; padding: 30px 20px; background-color: #00111a; margin: 20px auto; max-width: 800px; border-radius: 12px; box-shadow: 0 0 20px rgba(0, 170, 255, 0.4), 0 0 40px rgba(0, 170, 255, 0.2); }

.highlight { color: #9eeaff; text-shadow: 0 0 6px #00bfff, 0 0 10px #00bfff; font-weight: bold; }

.banner {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: url('https://protoinfrastack.ivondy.com/media/eLjIRUdadav5nOK72RDKjeMl9xvqWmoK4OHM') center center no-repeat;
  background-size: cover;
  background-color: #000;
  display: block;
}

@media (max-width: 600px) {
  .banner {
    aspect-ratio: auto;
    height: 200px;
  }
}

.container { width: 90%; max-width: 800px; margin: auto; padding: 20px; }

.products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  grid-auto-rows: 1fr;
}

.product2 {
  background: #0a0a0a;
  color: white;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 0 15px rgba(0, 183, 255, 0.4);
  transition: transform 0.3s ease;
  height: auto;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.product2 img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
}

.product2 h2 {
  font-size: 12px;
  margin: 15px 0 0; /* Menurunkan sedikit h2 */
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.product2 p {
  margin: 10px 0 10px; /* Menurunkan sedikit p */
  font-size: 12px;
  line-height: 1.2;
  background: transparent;
}

.product2 img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
}

.product2 .buy-button {
  display: block;
  margin: 10px auto;
  padding: 5px 8px;
  background: #00bfff;
  color: white;
  border-radius: 5px;
  font-size: 12px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 0 6px #00bfff, 0 0 12px #00bfff;
  transition: all 0.2s ease;
  text-align: center;
}

.product2 .buy-button:hover {
  background: #0099cc;
  box-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff;
}

.product {
  background: #0a0a0a;
  color: white;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 0 15px rgba(0, 183, 255, 0.4);
  transition: transform 0.3s ease;
  height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
}

.product h2 {
  font-size: 14px;
  margin: 6px 0 2px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.product p {
  margin: 0 0 4px;
  font-size: 13px;
  line-height: 1.2;
}

.product p del {
  color: #888;
  margin-right: 4px;
}

.product p span {
  color: #00bfff;
  font-weight: bold;
}

.buy-button {
  display: block;
  margin: 10px auto;
  padding: 5px 8px;
  background: #00bfff;
  color: white;
  border-radius: 5px;
  font-size: 13px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 0 6px #00bfff, 0 0 12px #00bfff;
  transition: all 0.2s ease;
  text-align: center;
}

.buy-button:hover {
  background: #0099cc;
  box-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff;
}


.back-button{
  background: #00bfff; 
  color: white; 
  border: none; 
  padding: 10px 18px; 
  border-radius: 8px; 
  cursor: pointer; 
  box-shadow: 0 0 10px rgba(0,183,255,0.4), 0 0 4px #00ccff inset; 
  text-shadow: 0 0 4px #ffffff; 
  transition: 0.3s; 
  margin-top: 10px;
}


.back-button:hover {
  background: #0099cc; 
  box-shadow: 0 0 15px #00ccff;
}

.product-title {
  display: inline-block;
  padding: 12px 24px;
  border: 2px solid #00bfff;
  border-radius: 10px;
  color: #9eeaff;
  background: rgba(0, 191, 255, 0.1);
  font-size: 22px;
  font-weight: bold;
  text-align: center;
  text-shadow: 0 0 8px #00bfff, 0 0 16px #00bfff;
  box-shadow: 0 0 12px #00bfff, inset 0 0 10px #00bfff;
  margin: 30px auto;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 12px #00bfff, inset 0 0 10px #00bfff;
    text-shadow: 0 0 8px #00bfff, 0 0 16px #00bfff;
  }
  50% {
    box-shadow: 0 0 20px #00dfff, inset 0 0 14px #00dfff;
    text-shadow: 0 0 12px #00dfff, 0 0 24px #00dfff;
  }
}

.product-group, #panelpub {
  text-align: center;
}

.glow-heading {
  display: inline-block;
  padding: 12px 24px;
  border: 2px solid #00bfff;
  border-radius: 10px;
  color: #9eeaff;
  background: rgba(0, 183, 255, 0.08);
  font-weight: bold;
  font-size: 20px;
  text-align: center;
  text-shadow: 0 0 6px #00bfff, 0 0 12px #00dfff;
  box-shadow: 0 0 10px #00bfff, inset 0 0 4px #00dfff;
  animation: glowShift 4s ease-in-out infinite;
}

@keyframes glowShift {
  0% {
    text-shadow: 0 0 6px #00bfff, 0 0 12px #00dfff;
    box-shadow: 0 0 10px #00bfff, inset 0 0 4px #00dfff;
    border-color: #00bfff;
  }
  50% {
    text-shadow: 0 0 8px #00ffff, 0 0 16px #00ffff;
    box-shadow: 0 0 14px #00ffff, inset 0 0 6px #00ffff;
    border-color: #00ffff;
  }
  100% {
    text-shadow: 0 0 6px #00bfff, 0 0 12px #00dfff;
    box-shadow: 0 0 10px #00bfff, inset 0 0 4px #00dfff;
    border-color: #00bfff;
  }
}

.about-contact { background-color: #f0f4f8; margin-top: 40px; padding: 20px; border-radius: 10px; color: #333; }

footer { text-align: center; font-size: 13px; color: #555; font-style: italic; }

.popup { display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: #00111a; padding: 20px; border-radius: 10px; box-shadow: 0 0 15px rgba(0, 183, 255, 0.6), 0 0 30px rgba(0, 183, 255, 0.3); width: 300px; text-align: center; color: #e6f7ff; z-index:2000 ; }

.popup img { width: 100%; border-radius: 8px; }

.popup button { margin-top: 10px; padding: 10px; background: #00bfff; color: white; border: none; cursor: pointer; border-radius: 5px; font-weight: bold; box-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff; }

.popup button:hover { background: #0099cc; box-shadow: 0 0 15px #00bfff, 0 0 30px #00bfff; }

section { padding: 20px 0; }

.dark-mode {
  background-color: #000 !important;
  color: #fff !important;
}

.dark-mode header { background-color: #000; color: white; }

.dark-mode .product { background-color: #111; color: white; }

.dark-mode .about-contact { background-color: #1a1a1a; color: white; }

.dark-mode .menu { background-color: #0a0a0a; color: white; }

.dark-mode .menu a { color: white; border-color: #444; }

.dark-mode .description { background-color: #0d1b26; color: #cceeff; }

.dark-mode .close-menu { color: #00bfff; }

.light-mode {
  background-color: #ffffff;
  color: #000;
}

.light-mode header {
  background-color: #f0f0f0;
  color: #000;
}

.light-mode .product {
  background-color: #f9f9f9;
  color: #000;
  box-shadow: 0 0 12px rgba(0, 183, 255, 0.2);
}

.light-mode .about-contact {
  background-color: #f5f5f5;
  color: #000;
  box-shadow: 0 0 10px rgba(0, 183, 255, 0.1);
}

.light-mode .menu {
  background-color: #ffffff;
  color: #000;
  box-shadow: 2px 0 15px rgba(0, 0, 0, 0.1);
}

.light-mode .menu a {
  color: #005577;
  background: rgba(0, 191, 255, 0.05);
  border: 1px solid #ccc;
  box-shadow: 0 0 6px rgba(0, 183, 255, 0.1);
}

.light-mode .menu a:hover {
  background: rgba(0, 183, 255, 0.15);
  box-shadow: 0 0 10px rgba(0, 183, 255, 0.3);
}

.light-mode .description {
  background-color: #e8f7ff;
  color: #000;
  box-shadow: 0 0 20px rgba(0, 183, 255, 0.2), 0 0 30px rgba(0, 183, 255, 0.1);
}

.light-mode .close-menu {
  color: #333;
  text-shadow: 0 0 4px #aaa;
}

.light-mode .product-title,
.light-mode .glow-heading {
  border-color: #00bfff;
  background-color: rgba(0, 191, 255, 0.08);
  color: #0077aa;
  text-shadow: 0 0 6px #00bfff;
  box-shadow: 0 0 8px rgba(0, 183, 255, 0.3);
}

.light-mode .buy-button {
  background: #00bfff;
  color: #fff;
  box-shadow: 0 0 6px #00bfff, 0 0 12px #00bfff;
}

.light-mode .buy-button:hover {
  background: #0099cc;
  box-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff;
}

.light-mode .popup {
  background: #f2faff;
  color: #000;
  box-shadow: 0 0 15px rgba(0, 183, 255, 0.3), 0 0 30px rgba(0, 183, 255, 0.1);
}

.light-mode .popup button {
  background: #00bfff;
  color: #fff;
  box-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff;
}

.light-mode .popup button:hover {
  background: #0099cc;
  box-shadow: 0 0 15px #00bfff, 0 0 30px #00bfff;
}

.light-mode .divider {
  background: linear-gradient(90deg, transparent, #00bfff, transparent);
  box-shadow: 0 0 5px #00bfff;
}

.light-mode .strikethrough-black::after {
  background-color: #000;
}

.divider {
  width: 80%;
  height: 2px;
  margin: 25px auto 15px;
  background: linear-gradient(90deg, transparent, #00bfff, transparent);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.3; box-shadow: 0 0 5px #00bfff; }
  50% { opacity: 1; box-shadow: 0 0 15px #00bfff; }
}

.strikethrough-black {
  position: relative;
  display: inline-block;
}

.faq-box {
  width: 85%; 
  max-width: 380px; 
  margin: 20px auto; 
  background: #111;
  padding: 14px; 
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0, 183, 255, 0.25);
}

.faq-item {
  border-bottom: 1px solid #222;
  padding: 10px 0; 
}

.faq-question {
  font-size: 14px; 
  font-weight: bold;
  cursor: pointer;
  color: #00f7ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: #00dfff;
}

.faq-answer {
  margin-top: 6px; 
  display: none;
  color: #ffffff;
  background: rgba(0,0,0,0.3);
  padding: 10px; 
  border-radius: 8px;
  box-shadow: inset 0 0 6px #00bfff33;
  font-size: 13px; 
  line-height: 1.4;
}

.arrow {
  transition: transform 0.3s ease;
}

.arrow.rotate {
  transform: rotate(90deg);
}

.styled-heading {
  font-size: 22px; 
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: #00bfff;
}

.blue-highlight {
  color: #00f7ff;
  font-weight: bold;
}


.gwaris { border: none; height: 1px; background-color: #333; margin: 40px 0 20px; }

@media (min-width: 768px) {
.container {
max-width: 1000px;
padding: 20px;
}

.products {
grid-template-columns: repeat(4, 1fr);
}

.product2, .product {
height: auto;
min-height: 250px;
}

.banner-slider {
max-width: 1000px;
height: 300px;
}

.menu {
width: 300px;
}

.menu.active {
left: 0;
}

.footer {
position: absolute;
bottom: 0;
width: 100%;
background-color: #333;
color: white;
text-align: center;
padding: 20px 0;
}
}