:root {
      --bg-dark: #090d16;
      --bg-card: #0f172a;
      --bg-card-hover: #1e293b;
      --accent: #0284c7;
      --accent-light: #38bdf8;
      --accent-glow: rgba(56, 189, 248, 0.15);
      --text: #f8fafc;
      --text-muted: #94a3b8;
      --border: #1e293b;
      --border-light: #334155;
    }

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

    body {
      font-family: 'Plus Jakarta Sans', sans-serif;
      background-color: var(--bg-dark);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .bg-grid {
      position: fixed;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
      background-size: 24px 24px;
      z-index: -1;
      opacity: 0.6;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    header {
      position: sticky;
      top: 0;
      backdrop-filter: blur(12px);
      background: rgba(9, 13, 22, 0.8);
      border-bottom: 1px solid var(--border);
      z-index: 100;
    }

    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 18px;
      color: #fff;
      text-decoration: none;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: var(--text);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s ease;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, #0284c7, #0369a1);
      color: #fff;
      box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
    }

    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1px solid var(--border-light);
    }

    .btn-outline:hover {
      background: var(--bg-card);
      border-color: var(--text-muted);
    }

    .lang-switcher {
      display: flex;
      gap: 4px;
      background: var(--bg-card);
      padding: 4px;
      border-radius: 8px;
      border: 1px solid var(--border-light);
    }

    .btn-lang {
      padding: 6px 12px;
      font-size: 12px;
      font-weight: 700;
      border-radius: 6px;
      background: transparent;
      color: var(--text-muted);
      cursor: pointer;
      border: none;
      transition: all 0.2s;
    }

    .btn-lang.active {
      background: var(--accent);
      color: #fff;
    }

    .hero {
      padding: 100px 0 60px;
      text-align: center;
      position: relative;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent-glow);
      border: 1px solid rgba(56, 189, 248, 0.3);
      color: var(--accent-light);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero h1 {
      font-size: 48px;
      font-weight: 800;
      letter-spacing: -1px;
      line-height: 1.15;
      margin-bottom: 20px;
      background: linear-gradient(180deg, #ffffff 0%, #94a3b8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero p {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto 36px;
    }

    .hero-cta {
      display: flex;
      justify-content: center;
      gap: 16px;
    }

    .preview-box {
      margin-top: 60px;
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: 16px;
      padding: 12px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    }

    .preview-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px 16px;
      border-bottom: 1px solid var(--border);
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .preview-body {
      background: #020617;
      border-radius: 8px;
      padding: 40px;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 320px;
      border: 1px dashed var(--border-light);
    }

    .section-title {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-title h2 {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .section-title p {
      color: var(--text-muted);
      font-size: 15px;
    }

    .features {
      padding: 90px 0;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 28px;
      transition: all 0.25s ease;
    }

    .card:hover {
      border-color: var(--border-light);
      transform: translateY(-4px);
      box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.5);
    }

    .card-icon {
      width: 44px;
      height: 44px;
      background: var(--accent-glow);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--accent-light);
      margin-bottom: 18px;
    }

    .card h3 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .card p {
      color: var(--text-muted);
      font-size: 14px;
    }

    .advantages {
      padding: 90px 0;
      background: rgba(15, 23, 42, 0.4);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .adv-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }

    .adv-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .adv-check {
      width: 24px;
      height: 24px;
      background: rgba(16, 185, 129, 0.15);
      color: #10b981;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 12px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .bottom-cta {
      padding: 100px 0;
      text-align: center;
    }

    .cta-card {
      background: linear-gradient(135deg, #0f172a, #1e293b);
      border: 1px solid var(--border-light);
      border-radius: 20px;
      padding: 60px 24px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    footer {
      border-top: 1px solid var(--border);
      padding: 32px 0;
      text-align: center;
      color: var(--text-muted);
      font-size: 13px;
    }

    @media (max-width: 768px) {
      .hero h1 { font-size: 34px; }
      .hero p { font-size: 15px; }
      .nav-links { display: none; }
    }
    
    /* Animasi Zoom & Swirl untuk Background Banner */
    @keyframes zoomSwirl {
      0% { 
        transform: scale(1) rotate(0deg); 
      }
      50% { 
        transform: scale(1.1) rotate(1.5deg); /* Zoom membesar & miring sedikit ke kanan */
      }
      100% { 
        transform: scale(1.2) rotate(-1.5deg); /* Zoom maksimal & miring sedikit ke kiri */
      }
    }

    .animated-bg {
      position: absolute;
      /* Dibuat lebih lebar (-30px) agar saat berputar, pinggiran kosongnya tidak terlihat */
      top: -30px; left: -30px; right: -30px; bottom: -30px; 
      background: url('https://ivrstudio.kitakasilanyard.co.id/img/banner_small.jpg') center/cover no-repeat;
      animation: zoomSwirl 25s ease-in-out infinite alternate; /* Bergerak bolak-balik selama 25 detik */
      z-index: 0;
    }
    
    /* CSS Tambahan untuk Card Center */
    .grid .card.card-center {
      grid-column: 1 / -1; /* Membentang penuh dari ujung kiri hingga ujung kanan grid */
      text-align: center;  /* Teks di dalam card tetap rata tengah */
    }