body {
        margin: 0;
        padding: 0;
        overflow-x: hidden;
        font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      }

      /* Navbar */
      .custom-navbar {
        background: rgba(0, 0, 0, 0.65);
        backdrop-filter: blur(12px);
      }

      .navbar-brand {
        font-weight: 700;
        font-size: 1.4rem;
        background: linear-gradient(90deg, #ffc107, #ffffff, #ffc107);
        background-size: 200%;
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        animation: shimmer 3s linear infinite;
      }

      @keyframes shimmer {
        0% {
          background-position: 200% 0;
        }
        100% {
          background-position: -200% 0;
        }
      }

      .nav-link {
        color: #f8f9fa !important;
        font-weight: 500;
      }

      .nav-link:hover {
        color: #ffc107 !important;
      }

      /* Hero section */
      header.hero {
        position: relative;
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        background: url("image/bg1.jpg") center/cover no-repeat fixed;
      }

      #tsparticles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
      }

      .hero-inner {
        position: relative;
        z-index: 1;
        max-width: 800px;
        padding: 3rem 2rem;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(6px);
        color: #fff;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        animation: floatY 6s ease-in-out infinite;
        max-width: 90%;
        margin: 0 auto;
      }

      @keyframes floatY {
        0% {
          transform: translateY(0);
        }
        50% {
          transform: translateY(-10px);
        }
        100% {
          transform: translateY(0);
        }
      }

      .hero-title {
        font-size: 3rem;
        font-weight: bold;
      }

      .hero-title span {
        display: inline-block;
        opacity: 0;
        transform: translateY(20px) scale(0.9);
        animation: fadeUp 0.6s forwards;
      }

      @keyframes fadeUp {
        0% {
          opacity: 0;
          transform: translateY(20px) scale(0.9);
        }
        60% {
          opacity: 1;
          transform: translateY(-5px) scale(1.05);
        }
        100% {
          opacity: 1;
          transform: translateY(0) scale(1);
        }
      }

      .lead {
        font-size: 1.2rem;
        color: rgba(255, 255, 255, 0.9);
        opacity: 0;
        animation: fadeText 1.4s ease 1.5s forwards;
      }

      @keyframes fadeText {
        from {
          opacity: 0;
          transform: translateY(10px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .bio-text {
        color: rgba(255, 255, 255, 0.85);
        margin: 1rem 0 2rem;
      }

      .btn-animated {
        padding: 0.7rem 1.4rem;
        border-radius: 12px;
        font-weight: 600;
        color: #fff;
        border: none;
        transition: all 0.3s ease;
        box-shadow: 0 6px 18px rgba(2, 6, 23, 0.12);
        min-height: 55px;

  /* 2. Menggunakan Flexbox untuk Penengahan Teks Vertikal */
  display: flex;
  align-items: center; /* Tengahkan secara vertikal */
  justify-content: center; /* Tengahkan secara horizontal */

  /* 3. Mengizinkan Teks Tombol Wrap (Penting untuk Responsif) */
  white-space: normal;
  text-align: center;

  /* 4. Menyesuaikan Padding agar tidak terlalu tebal */
  padding: 0.5rem 1rem;

  /* Menghapus atau mengganti font-size yang di-inline (jika ada di HTML)
     agar seragam */
  font-size: 1rem;
      }

      .btn-gradient-1 {
        background: linear-gradient(90deg, #1e88e5, #42a5f5);
      }

      .btn-gradient-2 {
        background: linear-gradient(90deg, #11825a, #2aa469);
      }

      .btn-gradient-3 {
        background: linear-gradient(90deg, #e51ede, #e51ede);
      }

      .btn-gradient-4 {
        background: linear-gradient(90deg, #778211, #778211);
      }

      .btn-gradient-5 {
        background: linear-gradient(90deg, #100887, #100887);
      }

      .btn-gradient-6 {
        background: linear-gradient(90deg, #0d6302, #100887);
      }


      .btn-animated:hover {
        transform: translateY(-4px);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
      }

      /* 🌟 Floating Icons Background */
      .floating-icons {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        pointer-events: none; /* biar tidak ganggu klik */
        z-index: 0; /* di belakang konten */
      }

      .floating-icons span {
        position: absolute;
        bottom: -40px;
        font-size: 1.5rem;
        opacity: 0.8;
        animation: floatUp linear infinite;
        color: #fff;
      }

      /* Animasi naik pelan */
      @keyframes floatUp {
        0% {
          transform: translateY(0) rotate(0deg);
          opacity: 0.9;
        }
        100% {
          transform: translateY(-120vh) rotate(360deg);
          opacity: 0;
        }
      }

      /* 🌟 Floating SVG Icons */
      .floating-icons {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        overflow: hidden;
        z-index: 1;
      }

      .floating-icons img {
        position: absolute;
        bottom: -60px;
        width: 32px;
        height: 32px;
        opacity: 0.85;
        filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.4));
        animation: floatUp linear infinite;
      }

      /* Animasi naik + goyang */
      @keyframes floatUp {
        0% {
          transform: translateY(0) translateX(0) rotate(0deg);
          opacity: 0.9;
        }
        50% {
          transform: translateY(-50vh) translateX(20px) rotate(30deg);
          opacity: 0.8;
        }
        100% {
          transform: translateY(-120vh) translateX(-30px) rotate(90deg);
          opacity: 0;
        }
      }

      /* Variasi posisi & durasi agar alami */
      .floating-icons img:nth-child(1) {
        left: 10%;
        animation-duration: 12s;
        animation-delay: 0s;
      }
      .floating-icons img:nth-child(2) {
        left: 25%;
        animation-duration: 15s;
        animation-delay: 2s;
      }
      .floating-icons img:nth-child(3) {
        left: 40%;
        animation-duration: 10s;
        animation-delay: 4s;
      }
      .floating-icons img:nth-child(4) {
        left: 60%;
        animation-duration: 13s;
        animation-delay: 1s;
      }
      .floating-icons img:nth-child(5) {
        left: 75%;
        animation-duration: 14s;
        animation-delay: 3s;
      }
      .floating-icons img:nth-child(6) {
        left: 90%;
        animation-duration: 11s;
        animation-delay: 5s;
      }