@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;700&display=swap');

body {
    background-color: #1a1a1a;
    color: #fff;
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.logo {
    font-size: 2.5em;
    font-weight: 700;
    color: #00ffc3;
    text-shadow: 0 0 10px #00ffc3;
}

.hero h2 {
    font-size: 2.2em;
    margin-bottom: 40px;
}

.upload-box {
    border: 2px dashed #00ffc3;
    border-radius: 10px;
    padding: 50px;
    margin-bottom: 30px;
    background-color: #2a2a2a;
}

.upload-box p {
    margin: 0 0 15px 0;
    font-size: 1.2em;
}

.upload-btn {
    background-color: #00ffc3;
    color: #1a1a1a;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 700;
}

.cta-button {
    background-color: #00ffc3;
    color: #1a1a1a;
    border: none;
    padding: 20px 50px;
    border-radius: 50px;
    font-size: 1.5em;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 0 20px #00ffc3;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: scale(1.05);
}

.features {
    display: flex;
    justify-content: space-around;
    margin-top: 80px;
}

.feature {
    width: 23%;
}

.feature h3 {
    color: #00ffc3;
    font-size: 1.5em;
}

@media (max-width: 768px) {
    .features {
        flex-direction: column;
        align-items: center;
    }

    .feature {
        width: 80%;
        margin-bottom: 40px;
    }
}