/* --- Reset CSS Dasar --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    color: #ffffff;
    overflow: hidden; /* Mencegah scrollbar muncul karena animasi latar */
}

/* --- Latar Belakang Keren (Animated Gradient) --- */
/* Menggunakan gradasi warna modern yang bergerak perlahan */
.main-container {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    
    /* Warna gradasi: Biru gelap ke Ungu/Emas (nuansa Vista/Visi) */
    background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364, #ff6b6b);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    padding: 20px;
}

/* Animasi untuk pergerakan background */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- Gaya Konten Tengah --- */
.content-box {
    text-align: center;
    max-width: 600px;
    z-index: 10; /* Memastikan konten berada di atas background */
    opacity: 0;
    animation: fadeInUp 1s ease forwards; /* Animasi muncul saat load */
    animation-delay: 0.5s;
}

/* Animasi Muncul (Fade In Up) */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* Gaya Logo/Nama Perusahaan */
.logo-text {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 10px;
    background: linear-gradient(to right, #ffffff, #81ecec);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-weight: 400;
    font-size: 1.5rem;
    opacity: 0.8;
}

/* Garis Pemisah */
.separator {
    width: 60px;
    height: 4px;
    background-color: #ff6b6b; /* Warna aksen merah muda/oranye */
    margin: 20px auto;
    border-radius: 2px;
}

/* Gaya Teks Judul */
h2 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1.2;
}

.highlight {
    color: #81ecec; /* Warna aksen cyan terang */
    margin-bottom: 20px;
}

/* Gaya Teks Deskripsi */
p {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 40px;
}

/* --- Animasi Loading --- */
.loader {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.circle {
    width: 15px;
    height: 15px;
    background-color: #ffffff;
    border-radius: 50%;
    margin: 0 5px;
    animation: bounce 0.6s infinite alternate;
}

.circle:nth-child(2) { animation-delay: 0.2s; }
.circle:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    to {
        opacity: 0.3;
        transform: translateY(-10px);
    }
}

/* --- Tombol Kontak --- */
.contact-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: transparent;
    border: 2px solid #ffffff;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-btn:hover {
    background-color: #ffffff;
    color: #2c3e50;
    transform: scale(1.05);
}

/* --- Footer --- */
.footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.6;
    z-index: 10;
}

/* --- Responsif (Mobile Friendly) --- */
@media (max-width: 768px) {
    .logo-text { font-size: 2.2rem; }
    h2 { font-size: 1.4rem; }
    p { font-size: 0.9rem; }
}