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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Apple SD Gothic Neo', sans-serif;
    background: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: 24px;
    padding: 48px 32px;
    /*box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);*/
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    text-align: center;
    margin-bottom: 16px;
}


.logo-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
    position: relative;
}

.price-tag {
    position: absolute;
    font-size: 36px;
    animation: bounce 2s ease-in-out infinite;
}

h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 8px;
}

.subtitle {
    text-align: center;
    color: #666;
    font-size: 15px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.feature-item {
    text-align: center;
    padding: 16px 8px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #f0f1f3;
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.feature-text {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.login-section {
    margin-bottom: 24px;
}

.section-title {
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
    text-align: center;
    font-weight: 500;
}

.social-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.social-btn:active {
    transform: translateY(0);
}

.kakao-btn {
    background: #FEE500;
    color: #000000;
}

.kakao-btn:hover {
    background: #f5dc00;
}

.google-btn {
    background: white;
    color: #333;
    border: 1.5px solid #e0e0e0;
}

.google-btn:hover {
    background: #f8f9fa;
    border-color: #d0d0d0;
}

.apple-btn {
    background: #000000;
    color: white;
}

.apple-btn:hover {
    background: #2c2c2c;
}

.icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.divider {
    display: flex;
    align-items: center;
    margin: 32px 0;
    color: #999;
    font-size: 13px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e0e0e0;
}

.divider span {
    padding: 0 16px;
}

.guest-btn {
    width: 100%;
    padding: 16px 24px;
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.guest-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.footer {
    text-align: center;
    margin-top: 32px;
    color: #999;
    font-size: 12px;
    line-height: 1.6;
}

@media (max-width: 480px) {
    .container {
        padding: 40px 24px;
        border-radius: 20px;
    }

    h1 {
        font-size: 24px;
    }

    .features {
        gap: 12px;
    }

    .feature-item {
        padding: 12px 6px;
    }

    .feature-icon {
        font-size: 24px;
    }

    .feature-text {
        font-size: 11px;
    }
}