/* 4-Step 온보딩 플로우 섹션 CSS */

/* 섹션 전체 - 풀화면 구현 */
.kt-onboarding-section {
    position: relative;
    width: 100vw;
    min-height: 100vh;
    left: 50%;
    margin-left: -50vw;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%); /* 다른 그라데이션 배경 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 80px 20px;
    box-sizing: border-box;
    overflow: hidden;
}

/* 배경 */
.kt-onboarding-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    z-index: 1;
}

.kt-onboarding-content-wrapper {
    position: relative;
    z-index: 2;
    max-width: 1440px;
    width: 100%;
    padding: 0 20px;
    text-align: center;
}

/* 타이틀 영역 */
.kt-onboarding-title-area {
    margin-bottom: 40px;
}

.kt-onboarding-main-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 20px 0;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.3;
}

.kt-onboarding-main-title br {
    display: none;
}

.kt-onboarding-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    color: #ffffff;
    margin: 0;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 설명문 */
.kt-onboarding-description {
    margin-bottom: 50px;
}

.kt-onboarding-description p {
    font-size: 1.2rem;
    color: #ffffff;
    line-height: 1.6;
    margin: 0;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 카드 그리드 */
.kt-onboarding-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1440px;
    margin: 0 auto;
}

/* 카드 */
.kt-onboarding-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    min-height: 333px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.kt-onboarding-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

/* 스텝 번호 */
.kt-onboarding-card-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: #ffffff;
    color: #2c3e50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 3;
}

/* 카드 아이콘 */
.kt-onboarding-card-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto 25px auto;
    font-size: 1.2rem;
    font-weight: bold;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* 아이콘 색상 */
.kt-icon-mall span {
    color: #e74c3c;
}

.kt-icon-product span {
    color: #f39c12;
}

.kt-icon-channel span {
    color: #9b59b6;
}

.kt-icon-growth span {
    color: #000000;
}

/* 카드 제목 */
.kt-onboarding-card-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 25px 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    line-height: 1.3;
}

/* 카드 내용 - 부연설명글 */
.kt-onboarding-card-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}

.kt-onboarding-card-content p {
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.6;
    margin: 8px 0;
    font-weight: 400;
    opacity: 0.9;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    text-align: left;
    position: relative;
    padding-left: 20px;
}

.kt-onboarding-card-content p::before {
    content: "*";
    color: #ffffff;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2rem;
}

/* 반응형 디자인 */
@media (max-width: 1440px) {
    .kt-onboarding-cards-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
    
    .kt-onboarding-card {
        padding: 35px 25px;
        min-height: 300px;
    }
    
    .kt-onboarding-main-title {
        font-size: 3rem;
    }
    
    .kt-onboarding-subtitle {
        font-size: 1.6rem;
    }
    
    .kt-onboarding-card-title {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .kt-onboarding-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .kt-onboarding-card {
        min-height: 267px;
        padding: 30px 20px;
    }
    
    .kt-onboarding-main-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .kt-onboarding-main-title br {
        display: block;
    }
    
    .kt-onboarding-subtitle {
        font-size: 1.4rem;
    }
    
    .kt-onboarding-card-title {
        font-size: 1.3rem;
    }
    
    .kt-onboarding-card-content p {
        font-size: 1.35rem;
        padding-left: 18px;
    }
    
    .kt-onboarding-card-content p::before {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .kt-onboarding-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .kt-onboarding-card {
        min-height: 233px;
        padding: 25px 20px;
    }
    
    .kt-onboarding-main-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .kt-onboarding-main-title br {
        display: block;
    }
    
    .kt-onboarding-subtitle {
        font-size: 1.2rem;
    }
    
    .kt-onboarding-card-title {
        font-size: 1.2rem;
    }
    
    .kt-onboarding-card-content p {
        font-size: 1.275rem;
        padding-left: 16px;
    }
    
    .kt-onboarding-card-content p::before {
        font-size: 1rem;
    }
}