style
    {
      box-sizing: border-box;
      font-family: 'Poppins';
    }
    body {
      width: auto;
      max-width: 100%;
      margin: auto;
      overflow-x: hidden;
    }
    .flex-between {
      display: flex;
      justify-content: space-between;
      align-items: center;
  }
    header {
      padding: 20px 20px;
      justify-content: space-between;
      align-items: center;
    }
    header h1 {
      font-size: 1.8rem;
    }
    .controls {
      padding: 20px;
      margin-left: auto;
      display: flex;
      align-items: center;
    }

    /* ====== Navigation ====== */
    .hamburger {
      display: none;
      font-size: 1.8rem;
      cursor: pointer;
    }
    .nav {
      margin-left: auto;
    }
    .nav ul {
      display: flex;
      justify-self: end;
      gap: 1rem;
      list-style: none;
    }
    .nav a {
      text-decoration: none;
      font-weight: 900;
    }
    
    /* Mobile Menu */
    @media (max-width: 768px) {
    .hamburger { display: block; }
    .nav { display: none; position: absolute; top: 80px; right: 20px; padding: 1rem; border-radius: 10px; }
    .nav ul { flex-direction: column; gap: 0.5rem; }
    .nav.show { display: block; z-index: 1000;}
    }
    /* ====== Switch ====== */
    .switch { position: relative; display: inline-block; width: 40px; height: 20px; margin-right: 10px; }
    .switch input { opacity: 0; width: 0; height: 0; }
    .slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc; transition: .4s; border-radius: 20px;
    }
    .slider:before {
    position: absolute; content: ""; height: 16px; width: 16px; left: 2px; bottom: 2px;
    background-color: white; transition: .4s; border-radius: 50%;
    }
    input:checked + .slider { background-color: #ff0000; }
    input:checked + .slider:before { transform: translateX(20px); }

    /* ====== Theme ====== */
    :root {
    --nav-bg: #d3d3d3;
    --nav-text: #003a9d;
    }
    body.dark {
    --nav-bg: #222;
    --nav-text: #fff;
    }
    .nav.show {
    background-color: var(--nav-bg);
    color: var(--nav-text);
    }
    .nav.show a {
    color: var(--nav-text);
    text-decoration: none;
    }
    body.light { background: #fff; color: #0a288e; }
    body.light .nav.show {
    background-color: #ebebeb;}
    body.light .nav a {
    color: #0a288e;
    }
    body.dark { background: #333; color: #eee; }
    body.dark .nav.show {
    background-color: #222222;}
    body.dark .nav a {
    color: #fff;
    }

/* ======= Hero Section ======= */
.hero {
  padding: 120px 40px;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.hero {
  background-image: url("img/img_h 1920x800.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
@media (max-width: 1280px) {
  .hero { background-image: url("img/img_h 1280x548.png"); }
}
@media (max-width: 768px) {
  .hero { background-image: url("img/img_h 768x329.png"); }
}
@media (max-width: 480px) {
  .hero { background-image: url("img/img_h 480x206.png"); }
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.4); /* default light overlay */
  z-index: 0;
}
body.dark .hero::after {
  background: rgba(0,0,0,0.5); /* overlay gelap untuk dark mode */
}
.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: auto;
}
.hero-text {
  flex: 1 1 30%;
  text-align: left;
}
/* Animasi */
@keyframes fadeUp {
  from {
    transform: translateY(40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }

}
/*hero*/
.hero-text h2 {
  font-size: clamp(1.5rem, 5vw, 3rem);
  font-weight: 700;
  color: #fbfcfd;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 20px;
  animation: fadeUp 2s ease-out forwards
}
.hero-text p {
  font-size: clamp(1rem, 2.5vw, 1.5rem); 
  color: #fbfcfd;
  text-align: center;
  animation: fadeUp 1.2s ease-out forwards;
  animation-delay: 0.5s;
}

/* ======= Recent Project Section ======= */
    .section {
      text-align: center;
      padding: 40px 40px;
      max-width: 1400px;
      margin: 0 auto;
    }
    .section h3 {
      font-size: 2rem;
      margin-bottom: 40px;
    }
/* ======= Services Section ======= */
    .service-cards,
    .gallery-items {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      max-width: 1300px;
      margin: 0 auto;
      animation: fadeUp 2s ease-out forwards
    }
    .card,
    .gallery-item {
      padding: 30px;
      border-radius: 12px;
      background-color: rgba(0, 0, 0, 0.05);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease;
    }
    .card:hover,
    .gallery-item:hover {
      transform: translateY(-5px);
    }
    .card h4 {
      color: #D62828;
      margin-bottom: 10px;
    }
    .card p {
      font-size: 0.95rem;
    }

    footer {
      background-color: #001F54;
      color: white;
      text-align: center;
      padding: 20px;
    }

    /* WhatsApp Chat Button */
    .whatsapp-float {
      position: fixed;
      width: 60px;
      height: 60px;
      bottom: 20px;
      right: 20px;
      background-color: #0015f7;
      color: white;
      border-radius: 50px;
      text-align: center;
      font-size: 30px;
      z-index: 100;
      box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
    }

    .whatsapp-icon {
      margin-top: 13px;
    }

    /* WhatsApp icon background */
    .wa-bg {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 60px;
      height: 60px;
      background: #25D366;
      border-radius: 50%;
    }

    /* Scroll Reveal Animation */
    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.6s ease;
    }

    .reveal.active {
      opacity: 1;
      transform: translateY(0);
    }

/* Hero Section */
.hero-images {
  flex: 1 1 50%;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-images img {
  width: 100%;
  max-width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.hero-images img:hover {
  transform: scale(1.05);
}
.services-section h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
}

.service-icon {
  width: 100%;
  max-width: 600px;
  object-fit: contain;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.contact-icon {
  width: 100%;
  max-width: 150px;
  object-fit: contain;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.card {
  padding: 20px;
  border-radius: 12px;
  background-color: rgba(0,0,0,0.05);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
  max-width: 600px;
}
/* About Section */
.about-container {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 1280px;
  margin: 40px auto 0;
  flex-wrap: wrap;
}

.about-image img {
  width: 400px;
  max-width: 100%;
}
@media (min-width: 769px) {
  .about-section {
    flex-direction: row;
    text-align: left;
    gap: 20px;
  }
}
.about-text {
  flex: 1;
  font-size: 1.05rem;
  line-height: 1.5;
  text-align: justify;
  font-weight: 600;
  margin-left: 20px;
  animation: fadeUp 2s ease-out forwards
}
.about-text p {
  font-weight: 300;
}
.about-text li {
  margin-bottom: 10px;
  text-align: justify;
  font-weight: 600;
  color: #ff0000;
}
.about-text ol {
  padding-left: 20px;
}
.about-text h3 {
  font-size: 2rem;
  margin-bottom: 2px;
  text-align: center; 
}
.about-section .about-text h3,
.about-us {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 1000px;
  margin: 40px auto 0;
  flex-wrap: wrap;
}
/* Gallery Section */
.gallery-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 5px;
}

.gallery-item {
  position: relative;
  width: 100%;
  max-width: 250px;
  margin: 5px;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  flex: 1 1 calc(50% - 20px);
  max-width: 350px;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item .overlay {
  position: absolute;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  width: 100%;
  padding: 15px;
  opacity: 1;
  transition: opacity 0.4s ease;
}

.gallery-item:hover .overlay {
  opacity: 1;
}

.gallery-item .overlay h3 {
  margin: 0 0 5px;
  font-size: 16px;
  color: #fff;
}

.gallery-item .overlay p {
  margin: 0;
  font-size: 14px;
}
/*Our Services */
.services {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px;
}
.services-container {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-top: 20px;
}
.servis-icon {
  width: 300px;
  float: right;
  margin-left: 15px;
}
/* Gambar kiri */
.services-image {
  flex: 1;
}

.services-image img {
  width: 100%;
  border-radius: 10px;
}

/* Accordion kanan */
.services-list {
  flex: 1;
}

@media (max-width: 768px) {
  .services-container {
    flex-direction: column;
  }

}
.service-card {
  border: 1px solid #ddd;
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0056a3;
  color: #fff;
  padding: 15px;
  cursor: pointer;
}

.card-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.toggle-btn {
  border: none;
  background: linear-gradient(90deg, #007bff, #004080);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

.card-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  background: #f9f9f9;
  padding: 0 15px;
}

.card-content img {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  margin: 10px 0;
  border-radius: 6px;
}

.card-content p {
  margin: 10px 0 20px;
  line-height: 1.6;
}

/* Footer Section */
.main-footer {
  background: linear-gradient(to right,#007bff,#001f4d);
  color: #fff;
  padding: 60px 40px 20px;
  font-size: 0.95rem;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1280px;
  margin: auto;
  gap: 40px;
}
.footer-col {
  flex: 1 1 220px;
  text-align: justify;
}

.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #fff;
}

.footer-col p {
  line-height: 1.6;
  color: #ffffff;
}

.footer-bottom {
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
  text-align: center;
  flex-direction: column;
}

.footer-bottom p {
  margin: 0;
  color: #ffffff;
}

.footer-icons img {
  display: inline-flex;
  width: 24px;
  height: 24px;
  margin: 0 10px;
  margin-top: 15px;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
  transition: transform 0.2s ease;
}

.footer-icons img:hover {
  transform: scale(1.1);
}
.map-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 40px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-radius: 10px;
  overflow: hidden;
}

.services h2 {
 font-size: 2em;
 text-align: center;
 animation: fadeUp 2s ease-out forwards
}
.services h1 {
 font-size: 24px;
 text-align: center;
 margin-bottom: 40px;
 animation: fadeUp 2s ease-out forwards
}
.services-section h2 {
  text-align: center;
  font-size: 2em;
  margin-bottom: 30px;
}

.service-category {
  margin-bottom: 20px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);

}

.toggle-btn {
  width: 100%;
  text-align: left;
  background-color: #0077cc;
  color: #fff;
  padding: 15px;
  font-size: 1.2em;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

.toggle-btn:hover {
  background-color: #005fa3;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: inline-block;
  width: 100%;
}

.card-link .card {
  width: 100%;
  height: 100%;
}

.service-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
  padding: 0 15px;
}

.service-content ul {
  padding-left: 20px;
  margin: 15px 0;
}

.service-content ul li {
  margin-bottom: 10px;
  color: #333;
}

.service-category.active .service-content {
  max-height: 1000px;
  transition: max-height 0.5s ease-in;
}

.category .content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.category.active .content {
  max-height: 500px;
}

.contact-us {
  font-size: 2em;
  width: 100%;
  text-align: center;
  animation: fadeUp 2s ease-out forwards
}
/* Hero Mobiles */
@media (max-width: 768px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }

  .hero-images {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-images img {
    max-width: 100px;
    height: auto;
  }
}

/* Company Structure */
    .org-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      max-width: 1000px;
      margin: 0 auto;
      margin-bottom: 60px;
    }
    .org-title {
      text-align: center;
      font-size: 2rem;
      font-weight: bold;
      margin-bottom: 30px;
    }
    .org-level {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
      width: 100%;
    }

    .org-box {
      padding: 15px 15px;
      border-radius: 8px;
      max-width: 200px;
      text-align: center;
      box-sizing: border-box;
      flex: 1 1 200px;
      color: #dedede;
    }

    .director {
      background-color: #f60000;
    }

    .green {
      background-color: #4caf50;
      color: white;
    }

    .blue {
      background-color: #008dff;
    }
    /* Mobile Structure */
    @media (max-width: 768px) {
      .org-level {
        display: grid;
        grid-template-columns: repeat (2, 1fr);
        align-items: center;
        gap: 10px;
      }

      .org-box {
        width: 100%;
        max-width: none;
      }
    }

@media (max-width: 768px) {
  .about-container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }
  .footer-icons {
    margin-top: 15px;
  }
  .footer-icons img {
    margin: 0 10px;
  }
}
@media (max-width: 480px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }
  .footer-icons {
    margin-top: 15px;
  }
  .footer-icons img {
    margin: 0 10px;
  }
}
.btn-cta-bottom {
    display: inline-block;
    background-color: #ff2222;
    color: #fff;
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    letter-spacing: 0.5px;
    transition: background-color 0.3s, transform 0.2s;
}

.btn-cta-bottom:hover {
    background-color: #FF7043;
    transform: scale(1.03);
}