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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #1a1a2e; /* Dark Blue */
    color: #e0e0e0;
    line-height: 1.6;
    text-align: center;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    padding: 50px 0 20px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.highlight {
    color: #0f3460;
    font-weight: 600;
    background: #e94560;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Sound Grid */
.intro {
    margin-bottom: 40px;
}

.sound-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.sound-card {
    background: #16213e;
    padding: 30px;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.sound-card:hover {
    transform: translateY(-5px);
    background: #1f2b4d;
}

/* State Aktif (Saat suara menyala) */
.sound-card.active {
    border-color: #e94560;
    box-shadow: 0 0 15px rgba(233, 69, 96, 0.4);
}

.sound-card i {
    font-size: 3rem;
    color: #4db8ff;
    margin-bottom: 15px;
}

.sound-card h3 {
    margin-bottom: 15px;
}

/* Volume Slider */
.volume-slider {
    width: 100%;
    margin-top: 10px;
    cursor: pointer;
    opacity: 0.7;
}

/* Form */
.newsletter {
    background: #16213e;
    padding: 40px 0;
    margin-bottom: 40px;
}

.newsletter input {
    padding: 10px 20px;
    border-radius: 20px;
    border: none;
    outline: none;
    width: 60%;
    max-width: 300px;
}

.newsletter button {
    padding: 10px 25px;
    border-radius: 20px;
    border: none;
    background: #e94560;
    color: white;
    cursor: pointer;
    font-weight: bold;
    margin-left: 10px;
}

footer {
    padding: 20px;
    font-size: 0.8rem;
    opacity: 0.6;
}