/* Vision Section */
.vision-section {
    min-height: 100vh;
    padding: 190px 20px;
    background: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
    position: relative;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
}

/* Vision Section 헤드라인 초기 상태 */
#vision .section-headline {
    opacity: 0;
}

/* AI Development Section 초기 상태 */
#ai-development .section-headline {
    opacity: 0;
}

.vision-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    perspective: 1000px;
    width: 80%;
}

.vision-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 50px 30px;
    text-align: center;
    box-shadow: 0 25px 70px rgba(36, 125, 255, 0.12);
    border: 2px solid rgba(36, 125, 255, 0.1);
    transition: all 0.4s ease;
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
    opacity: 0; /* 초기 상태 투명 - JS 애니메이션 대기 */
    cursor: pointer;
}

.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(36, 125, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.vision-card:hover::before {
    left: 100%;
}

.vision-card:hover {
    transform: translateY(-15px) rotateX(5deg);
    box-shadow: 0 35px 90px rgba(36, 125, 255, 0.2);
}

.vision-number {
    font-size: 4rem;
    font-weight: bold;
    color: #247dff;
    margin-bottom: 20px;
    text-shadow: 0 4px 8px rgba(36, 125, 255, 0.2);
}

.vision-title {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}

.vision-description {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}