* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Poppins', sans-serif;
      background: #F4F9FF;
      color: #0A2540;
      overflow-x: hidden;
    }

    /* Warna utama: Biru + Aksen Emas */
    :root {
      --blue-deep: #0A2B4E;
      --blue-primary: #1A5F8C;
      --blue-medium: #2C7DA0;
      --blue-soft: #E6F0F9;
      --gold: #C9A53B;
      --gold-light: #E6C86A;
      --white: #FFFFFF;
      --gray-light: #F8FAFE;
      --gray-border: #E2EDF2;
      --shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
      --shadow-md: 0 20px 25px -12px rgba(0, 0, 0, 0.08);
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== NAVBAR ===== */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 43, 78, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid rgba(201, 165, 59, 0.4);
    }
    .navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 24px;
    }
    .navbar-brand {
      font-weight: 700;
      font-size: 1.5rem;
      color: white;
      position: relative;
    }
    .brand-accent {
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 45%;
      height: 3px;
      background: var(--gold);
      border-radius: 4px;
    }
    .nav-desktop {
      display: flex;
      gap: 32px;
      align-items: center;
      flex-wrap: wrap;
    }
    .nav-desktop a {
      font-weight: 500;
      color: #F0F6FA;
      transition: 0.2s;
      font-size: 0.95rem;
      position: relative;
      text-decoration: none;
    }
    .nav-desktop a:hover, .nav-desktop a.active {
      color: var(--gold-light);
    }
    .nav-desktop a.active::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 100%;
      height: 2.5px;
      background: var(--gold);
    }
    .nav-cta {
      background: var(--gold);
      color: #0A2B4E !important;
      padding: 8px 20px;
      border-radius: 40px;
      font-weight: 600;
    }
    .nav-cta:hover {
      background: var(--gold-light);
      transform: translateY(-2px);
    }
    
    /* ===== HAMBURGER - DIPERBAIKI ===== */
    .hamburger {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 28px;
      height: 22px;
      background: transparent;
      border: none;
      cursor: pointer;
      position: relative;
      z-index: 1100;
    }
    .hamburger span {
      width: 100%;
      height: 2.5px;
      background: white;
      border-radius: 4px;
      transition: 0.2s;
    }
    
    /* ===== MOBILE MENU - DIPERBAIKI ===== */
    .mobile-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 80%;
      max-width: 320px;
      height: 100vh;
      background: #0A2B4E;
      backdrop-filter: blur(20px);
      padding: 100px 32px 32px;
      display: flex;
      flex-direction: column;
      gap: 24px;
      transition: right 0.3s ease;
      z-index: 1040;
      border-left: 2px solid var(--gold);
    }
    .mobile-menu a {
      color: white;
      font-size: 1.2rem;
      font-weight: 500;
      padding: 8px 0;
      border-bottom: 1px solid rgba(201,165,59,0.3);
      text-decoration: none;
    }
    .mobile-menu a.active {
      color: var(--gold-light);
    }
    .mobile-menu.active {
      right: 0;
    }
    
    /* Overlay untuk menutup menu saat klik di luar */
    .menu-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.5);
      z-index: 1030;
      display: none;
      cursor: pointer;
    }
    .menu-overlay.active {
      display: block;
    }

    /* HERO SECTION */
    .hero-section {
      background: linear-gradient(135deg, #0A2540 0%, #0F3B5C 100%);
      padding: 70px 0 90px;
      position: relative;
    }
    .hero-perspective-wrap {
      text-align: center;
    }
    .hero-gallery-inner {
      opacity: 0.2;
      pointer-events: none;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-bottom: 30px;
    }
    .hero-gallery-row {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .hero-gallery-img {
      width: 130px;
      height: 100px;
      background: rgba(255,255,240,0.1);
      border-radius: 20px;
      border: 1px solid var(--gold);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      color: var(--gold-light);
    }
    .hero-title-block {
      max-width: 850px;
      margin: 0 auto;
      background: rgba(10, 43, 78, 0.8);
      backdrop-filter: blur(8px);
      padding: 48px 32px;
      border-radius: 48px;
      border: 1px solid var(--gold);
    }
    .hero-title-block h1 {
      font-size: 3rem;
      font-weight: 700;
      color: white;
      margin-bottom: 16px;
    }
    .hero-title-block p {
      font-size: 1.2rem;
      color: #EFF6FF;
    }

    /* UTILITY */
    .section { padding: 80px 0; }
    .overline {
      display: inline-block;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 2px;
      font-weight: 600;
      color: var(--gold);
      background: rgba(201,165,59,0.12);
      padding: 4px 14px;
      border-radius: 40px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--blue-deep);
      margin-bottom: 16px;
    }
    .section-subtitle {
      font-size: 1.1rem;
      color: #3A5A7A;
      margin-bottom: 40px;
    }
    .grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 48px; align-items: center; }
    .grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
    .btn {
      display: inline-block;
      padding: 12px 28px;
      border-radius: 40px;
      font-weight: 600;
      transition: 0.2s;
      font-family: 'Poppins', sans-serif;
      cursor: pointer;
      text-decoration: none;
    }
    .btn-primary { background: var(--blue-primary); color: white; border: none; }
    .btn-primary:hover { background: var(--blue-medium); transform: translateY(-2px); }
    .btn-accent { background: var(--gold); color: #0A2B4E; font-weight: 700; }
    .btn-accent:hover { background: var(--gold-light); transform: translateY(-2px); }
    .fact-card, .topic-card, .portfolio-card {
      background: white;
      padding: 28px 24px;
      border-radius: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s;
      border: 1px solid var(--gray-border);
    }
    .fact-card:hover, .topic-card:hover, .portfolio-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold); }
    .card-icon {
      background: rgba(201,165,59,0.12);
      width: 52px;
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 20px;
      margin-bottom: 20px;
      color: var(--gold);
    }
    .topic-number {
      font-size: 3rem;
      font-weight: 800;
      color: rgba(201,165,59,0.2);
      line-height: 1;
      margin-bottom: 12px;
    }
    .topic-card h4 { font-size: 1.3rem; margin-bottom: 10px; font-weight: 700; }
    .topic-arrow { display: inline-block; margin-top: 16px; font-size: 1.4rem; color: var(--gold); }
    
    /* Portfolio Section */
    .portfolio-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(201,165,59,0.15);
      padding: 6px 14px;
      border-radius: 60px;
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--gold);
      margin-bottom: 16px;
    }
    .portfolio-img-placeholder {
      width: 100%;
      height: 180px;
      background: linear-gradient(145deg, #D9EAF7, #C2D9EC);
      border-radius: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      border: 1px solid var(--gold-light);
      color: var(--blue-primary);
    }
    .portfolio-card h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .portfolio-meta {
      display: flex;
      gap: 16px;
      margin: 15px 0 12px;
      font-size: 0.8rem;
      color: var(--blue-medium);
    }
    .status-success {
      background: #E6F4EA;
      color: #1E7B48;
      border-radius: 40px;
      padding: 4px 12px;
      font-weight: 600;
      font-size: 0.7rem;
      display: inline-block;
    }

    .cta-banner {
      background: linear-gradient(105deg, #0A2B4E 0%, #124A6E 100%);
      border-radius: 40px;
      margin: 40px auto;
      max-width: 1100px;
      padding: 64px 48px;
      text-align: center;
      border: 1px solid var(--gold);
    }
    .cta-banner h2 { color: white; font-size: 2rem; }
    .cta-banner p { color: #D9EAF7; margin: 16px 0 28px; }
    .footer {
      background: #051E2F;
      color: #CBD5E1;
      padding: 56px 0 24px;
      margin-top: 40px;
    }
    .footer-grid {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
    }
    .footer-brand h3 { color: white; margin-bottom: 12px; font-weight: 600; }
    .footer-heading { color: var(--gold); font-weight: 600; margin-bottom: 18px; }
    .footer-links a { display: block; margin-bottom: 12px; font-size: 0.9rem; transition: 0.2s; text-decoration: none; color: inherit; }
    .footer-links a:hover { color: var(--gold-light); padding-left: 4px; }
    .footer-contact p { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
    .footer-bottom { text-align: center; border-top: 1px solid rgba(201,165,59,0.25); margin-top: 48px; padding-top: 24px; }

    @media (max-width: 900px) {
      .grid-3 { grid-template-columns: repeat(2,1fr); }
      .hero-title-block h1 { font-size: 2rem; }
    }
    @media (max-width: 768px) {
      .nav-desktop { display: none; }
      .hamburger { display: flex; }
      .grid-2, .grid-3 { grid-template-columns: 1fr; }
      .hero-title-block { padding: 28px 20px; width: 96%; margin: 0 auto; }
      .hero-title-block h1 { font-size: 1.7rem; }
      .section-title { font-size: 1.7rem; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .cta-banner { padding: 40px 24px; margin: 20px; }
    }
    @media (max-width: 480px) {
      .container { padding: 0 18px; }
      .hero-gallery-img { width: 90px; height: 70px; font-size: 1.5rem; }
      .portfolio-img-placeholder { height: 140px; }
    }
    a {
      text-decoration: none;
    }