/* Scroll Animation Styles */

/* 기본적으로 모든 요소 표시 (FOUC 완전 방지) */
.scroll-animate,
.scroll-animate-children > *,
.fade-in {
    opacity: 1;
    transform: none;
}

/* JavaScript가 로드되고 애니메이션이 활성화되면 */
body.js-loaded .scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

body.js-loaded .scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 각 섹션별 지연 효과 (순차적으로 나타나게) */
body.js-loaded .scroll-animate:nth-child(1) {
    transition-delay: 0.1s;
}

body.js-loaded .scroll-animate:nth-child(2) {
    transition-delay: 0.2s;
}

body.js-loaded .scroll-animate:nth-child(3) {
    transition-delay: 0.3s;
}

body.js-loaded .scroll-animate:nth-child(4) {
    transition-delay: 0.4s;
}

body.js-loaded .scroll-animate:nth-child(5) {
    transition-delay: 0.5s;
}

/* 카드/그리드 아이템들도 순차적 애니메이션 */
body.js-loaded .scroll-animate-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

body.js-loaded .scroll-animate-children.visible > *:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

body.js-loaded .scroll-animate-children.visible > *:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

body.js-loaded .scroll-animate-children.visible > *:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

body.js-loaded .scroll-animate-children.visible > *:nth-child(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

body.js-loaded .scroll-animate-children.visible > *:nth-child(5) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

body.js-loaded .scroll-animate-children.visible > *:nth-child(6) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

/* 부드러운 페이드인만 (슬라이드 없이) */
body.js-loaded .fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

body.js-loaded .fade-in.visible {
    opacity: 1;
}

/* 모바일에서는 애니메이션 거리 줄이기 */
@media screen and (max-width: 768px) {
    body.js-loaded .scroll-animate {
        transform: translateY(30px);
    }
    
    body.js-loaded .scroll-animate-children > * {
        transform: translateY(20px);
    }
}

/* 애니메이션 비활성화 옵션 (접근성) */
@media (prefers-reduced-motion: reduce) {
    .scroll-animate,
    .scroll-animate-children > *,
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}