/* 소개 페이지 스타일 */
.intro-section {
    display: none;
}

.intro-section.active {
    display: block !important;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 1rem;
    padding: 4rem 2rem;
    color: white;
    text-align: center;
    margin-bottom: 3rem;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    height: 100%;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.feature-card h4 {
    color: var(--dark-text);
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* 모바일 반응형 - 소개 페이지 */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 1rem;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1rem;
    }
}