/* Body */
body {
    font-family: 'Poppins', Arial, sans-serif; /* Font modern */
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden; /* Prevent horizontal scroll */
    background-color: white; /* Warna dasar putih */
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #004d00; /* Hijau tua */
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Bayangan ringan */
}

.navbar .logo img {
    height: 40px;
}

.navbar .logo img:hover {
    transform: scale(1.1); /* Efek hover */
    transition: transform 0.3s ease;
}

/* Headline */
.headline {
    text-align: center;
    background-color: #004d00; /* Hijau tua */
    color: white;
    padding: 60px 20px;
    margin-top: 50px;
}

.headline h1 {
    font-size: 36px;
    font-weight: bold;
}

.headline p {
    font-size: 18px;
}

/* Converter Content */
.content {
    background-color: #004d00; /* Hijau tua */
    padding: 40px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column; /* Menyusun elemen secara vertikal */
}

/* Container untuk semua elemen konversi */
.converter-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 800px;
    padding: 30px;
    border-radius: 12px;
    background-color: white; /* Kontras putih */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Bayangan ringan */
    box-sizing: border-box;
}

/* Flexbox untuk bagian input Amount, From, Swap, dan To */
.currency-box {
    display: flex;
    flex-direction: column; /* Menyusun input dan label secara vertikal */
    width: 100%;
    gap: 20px;
}

/* Untuk input amount */
.currency-box .amount {
    display: flex;
    justify-content: space-between; /* Menjaga jarak antar elemen */
    align-items: center;
    gap: 15px;
    width: 100%;
}

.currency-box label {
    font-weight: bold;
    font-size: 16px;
    color: #004d00; /* Hijau tua */
    margin-bottom: 5px;
}

.currency-box input {
    padding: 15px;
    font-size: 16px;
    width: 100%;
    border-radius: 8px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

/* Menyusun From, Swap, dan To secara horizontal */
.currency-select {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 20px;
    margin: 20px 0;
}

.currency-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.currency-group select {
    padding: 15px;
    font-size: 16px;
    width: 100%;
    border-radius: 8px;
    border: 1px solid #ccc;
}

/* Swap Button */
#swap-btn {
    background-color: #004d00; /* Hijau tua */
    color: white;
    cursor: pointer;
    border-radius: 50%;
    border: none;
    font-size: 20px;
    height: 50px;
    width: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#swap-btn:hover {
    background-color: #003300; /* Warna lebih gelap saat hover */
    transform: rotate(180deg);
}

/* Mode Mobile */
@media screen and (max-width: 768px) {
    .currency-select {
        flex-direction: column; /* Menyusun dropdown dan tombol secara vertikal */
        justify-content: center;
        align-items: center;
        gap: 10px; /* Menambah jarak antar elemen */
    }

    #swap-btn {
        transform: rotate(90deg); /* Rotasi tombol swap supaya bisa terlihat seperti tombol tukar */
        width: 40px;
        height: 40px;
        margin: 0; /* Menghilangkan margin untuk posisi yang lebih tepat */
    }

    .currency-group {
        display: flex;
        flex-direction: column; /* Menyusun label dan dropdown secara vertikal */
        align-items: center;
    }
}

/* Mode Web dan Tablet */
@media screen and (min-width: 769px) {
    .currency-select {
        flex-direction: row; /* Menyusun elemen secara horizontal */
        align-items: center;
        gap: 20px; /* Jarak antar elemen */
    }

    #swap-btn {
        transform: rotate(0deg); /* Pastikan tombol swap tetap horizontal */
        width: 50px;
        height: 50px;
    }

    .currency-group {
        display: flex;
        flex-direction: column; /* Label dan dropdown disusun secara vertikal */
        align-items: center;
    }
}

/* Convert Button */
#convert-btn {
    background-color: #004d00; /* Hijau tua */
    color: white;
    cursor: pointer;
    padding: 15px 30px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    margin-top: 20px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#convert-btn:hover {
    background-color: #003300; /* Hijau lebih gelap */
    transform: translateY(-2px); /* Sedikit naik */
}

/* How-to-Use Section */
.how-to-use {
    background-color: white;
    color: black;
    padding: 40px 20px;
    margin-top: 20px;
    text-align: center;
}

.how-to-use h2 {
    font-weight: bold;
    margin-bottom: 20px;
    color: #004d00; /* Hijau tua */
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.step {
    background-color: #f0f0f0;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.step:hover {
    background-color: #e0e0e0;
    transform: translateY(-5px);
}

.step h3 {
    font-weight: bold;
    color: #004d00; /* Hijau tua */
}

/* Footer */
.footer {
    background-color: #004d00; /* Hijau tua */
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-top: 40px;
    border-top: 2px solid #003300;
}

.footer-content p {
    margin: 5px 0;
}

.footer-content a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer-content a:hover {
    color: #ccc;
}