* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}
body {
    font-family: 'Poppins', sans-serif;
    background: #0d0d0d;
    color: white;
    text-align: center;
}
/* Modal dengan tema transparan (Glassmorphism) */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Kontainer Modal */
.modal-content {
    background: rgba(255, 255, 255, 0.1); /* Transparan */
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    max-width: 300px;
    color: white; /* Warna teks agar terlihat */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Judul Modal */
.modal-content h2 {
    margin-bottom: 10px;
    font-size: 22px;
    color: #add8e6; /* Warna biru neon */
}

/* Teks Modal */
.modal-content p {
    font-size: 16px;
    color: white;
    opacity: 0.8;
}

/* Tombol Tutup */
.modal-content button {
    background: #0072ff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
    font-size: 16px;
    transition: background 0.3s ease, transform 0.2s ease;
}

.modal-content button:hover {
    background: #0051cc;
    transform: scale(1.05);
}

/* Agar modal hilang ketika ditutup */
.modal.hidden {
    opacity: 0;
    visibility: hidden;
}

/* 🔹 Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
    z-index: 100;
}
.navbar .logo {
    font-size: 28px;
    font-weight: bold;
    color: #add8e6;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.navbar .logo:hover {
    transform: scale(1.1);
}
.navbar .btn-start {
    background: #add8e6;
    color: #0d0d0d;
    border: none;
    padding: 10px 15px;
    border-radius: 20px;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.3s ease;
}
.navbar .btn-start:hover {
    background: #82c9e8;
}

/* 🔹 Efek Partikel */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100vh;
    z-index: -1;
}

/* 🔹 Hero Section dengan Efek Parallax */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    /*background: url('https://source.unsplash.com/1600x900/?technology') center/cover fixed;*/
}
.hero h1 {
    font-size: 4rem;
    color: #add8e6;
    margin-bottom: 15px;
    text-shadow: 0px 0px 15px rgba(173, 216, 230, 0.8);
}
.hero p {
    font-size: 1.2rem;
    color: #d3d3d3;
    max-width: 600px;
    margin-bottom: 30px;
}
.hero .btn-cta {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, background 0.3s ease;
}
.hero .btn-cta:hover {
    background: linear-gradient(135deg, #0072ff, #00c6ff);
    transform: scale(1.05);
}

/* 🔹 Efek Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* 🔹 Fitur */
.features {
    padding: 60px 20px;
    background: #222;
    color: white;
    text-align: center;
}

.feature-list {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;  /* 🔹 Membuat elemen turun ke bawah jika terlalu panjang */
    max-width: 100%;
}

.feature {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s ease;
    width: 300px; /* 🔹 Batasan lebar agar tetap proporsional */
}

.feature:hover {
    transform: scale(1.05);
}

/* 🔹 Responsif untuk layar HP */
@media (max-width: 768px) {
    .feature-list {
        flex-direction: column; /* 🔹 Ubah jadi satu kolom */
        align-items: center;
    }
}