body {
    font-family: 'Noto Sans KR', sans-serif;
    background: #0c0c0f;
}

.intro-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.glow {
    position: absolute;
    width: 80%;
    max-width: 320px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.03) 0%,
        transparent 70%
    );
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.intro-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    padding: 0 24px;
}

.top-label {
    font-size: 11px;
    letter-spacing: 5px;
    color: rgba(255, 255, 255, 0.25);
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeIn 0.6s 0.3s forwards;
}

.title {
    font-size: 52px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -2px;
    line-height: 1.1;
    text-align: center;
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: titleReveal 0.8s 0.6s forwards;
}

@media (max-width: 360px) {
    .title {
        font-size: 40px;
    }
}

.paint-wrap {
    position: relative;
    width: 75%;
    max-width: 340px;
    height: 40px;
    margin-top: -4px;
    z-index: 1;
}

#paintCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.subtitle {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 16px;
    letter-spacing: 1px;
    opacity: 0;
    animation: fadeIn 0.5s 3.2s forwards;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

@keyframes titleReveal {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes particleFly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(var(--dx), var(--dy)) scale(0);
    }
}