/* RESET & FONT */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f4f9; /* Latar belakang sangat lembut */
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    width: 95%;
    max-width: 700px;
    text-align: center;
}

/* HEADER */
header h1 {
    font-weight: 700;
    font-size: 2rem;
    color: #4a4e69; /* Warna biru gelap yang tenang */
    margin-bottom: 5px;
}

header p {
    font-weight: 300;
    color: #787a8b;
    margin-bottom: 30px;
}

/* AREA VIDEO */
.video-wrapper {
    position: relative;
    width: 100%;
    /* Rasio 16:9 untuk video */
    padding-bottom: 56.25%; 
    height: 0; 
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* PESAN PENUTUP */
.message-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.message-footer p {
    font-style: italic;
    color: #5a5a5a;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.message-footer .signature {
    display: block;
    font-size: 0.9rem;
    color: #a0a0a0;
}

.click-instruction {
    font-weight: 700 !important;
    color: #e63946 !important;
    animation: flash 1.5s infinite;
}

/* Animasi untuk instruksi klik */
@keyframes flash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* RESPONSIVENESS */
@media (max-width: 600px) {
    .container {
        padding: 20px 15px;
    }
    header h1 {
        font-size: 1.8rem;
    }
}