/* safety_intro.css - 깔끔한 안전 거래 슬라이드 스타일 */

/* 메인 컨테이너 */
.safety-slide-container {
    padding: 2rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

/* 3분할 그리드 레이아웃 */
.safety-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* 개별 기능 카드 */
.safety-feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 호버 효과 */
.safety-feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.3);
}

/* 카드 배경 글리터 효과 */
.safety-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.8s ease-in-out;
}

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

/* 아이콘 컨테이너 - 단색으로 통일 */
.safety-icon-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: safety-float 3s ease-in-out infinite;
    
    /* 모든 아이콘을 회색 톤으로 통일 */
    background: linear-gradient(135deg, #6b7280, #4b5563);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* 각 카드별 애니메이션 딜레이만 다르게 */
.safety-feature-card:nth-child(1) .safety-icon-container {
    animation-delay: 0s;
}

.safety-feature-card:nth-child(2) .safety-icon-container {
    animation-delay: 0.3s;
}

.safety-feature-card:nth-child(3) .safety-icon-container {
    animation-delay: 0.6s;
}

/* 플로팅 애니메이션 */
@keyframes safety-float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-8px) rotate(3deg);
    }
}

/* 아이콘 SVG */
.safety-icon-container svg {
    width: 40px;
    height: 40px;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.safety-feature-card:hover .safety-icon-container svg {
    transform: scale(1.1);
}

/* 제목 스타일 */
.safety-feature-card .safety-feature-title {
    text-align: center !important;
    font-size: 1.4rem;  /* 1.25rem → 1.4rem으로 증가 */
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

/* 설명 텍스트 */
.safety-feature-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.safety-feature-card:hover .safety-feature-description {
    opacity: 1;
}

/* 반응형 - 태블릿 */
@media (max-width: 1024px) {
    .safety-features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .safety-feature-card {
        padding: 1.5rem;
        min-height: 240px;
    }
    
    .safety-icon-container {
        width: 70px;
        height: 70px;
    }
    
    .safety-icon-container svg {
        width: 35px;
        height: 35px;
    }
    
    .safety-feature-title {
        font-size: 1.1rem;
    }
    
    .safety-feature-description {
        font-size: 0.9rem;
    }
}

/* 반응형 - 모바일 */
@media (max-width: 768px) {
    .safety-slide-container {
        padding: 1rem 0;
    }
    
    .safety-features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.5rem;
    }
    
    .safety-feature-card {
        padding: 1.5rem;
        min-height: 200px;
    }
    
    .safety-icon-container {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .safety-icon-container svg {
        width: 30px;
        height: 30px;
    }
    
    .safety-feature-title {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .safety-feature-description {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}

/* 접근성 개선 */
@media (prefers-reduced-motion: reduce) {
    .safety-feature-card,
    .safety-icon-container,
    .safety-feature-card::before {
        animation: none;
        transition: none;
    }
    
    .safety-feature-card:hover {
        transform: none;
    }
}

/* 성능 최적화 */
.safety-feature-card,
.safety-icon-container {
    will-change: transform;
    backface-visibility: hidden;
}