/* ====================================
   스크롤 애니메이션 CSS
   파일명: scroll-animations.css
   ==================================== */

/* 기본 애니메이션 클래스들 */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.scroll-animate.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 페이드 인 효과 */
.fade-in {
    opacity: 0;
    transition: opacity 1s ease;
}

.fade-in.animate-in {
    opacity: 1;
}

/* 아래에서 위로 슬라이드 */
.slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.slide-up.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 왼쪽에서 슬라이드 */
.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.slide-left.animate-in {
    opacity: 1;
    transform: translateX(0);
}

/* 오른쪽에서 슬라이드 */
.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.slide-right.animate-in {
    opacity: 1;
    transform: translateX(0);
}

/* 확대 효과 */
.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease;
}

.scale-in.animate-in {
    opacity: 1;
    transform: scale(1);
}

/* 회전 효과 */
.rotate-in {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
    transition: all 0.8s ease;
}

.rotate-in.animate-in {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* 순차적 애니메이션을 위한 delay */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; }

/* 헤더 애니메이션 개선 - 기존 CSS와 충돌 방지 */
.header.shrink {
    background: rgba(41, 41, 41, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* 메인 배너 개선된 페이드 효과 */
#main_banner {
    position: relative;
}

#main_banner::before,
#main_banner::after {
    transition: opacity 2s ease-in-out;
}

#main_banner.fade-second::before {
    opacity: 0;
}

#main_banner.fade-second::after {
    opacity: 1;
}

/* About 섹션 개선 */
.xe_content > .container {
    transition: all 0.8s ease;
}

/* 임팩트 아이템 호버 효과 */
.main_impact_item {
    transition: all 0.3s ease;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

/* 서비스 탭 애니메이션 */
.service_tab ul li {
    transition: all 0.3s ease;
    position: relative;
}

.service_tab ul li:hover {
    transform: translateY(-2px);
}

.service_tab ul li::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: #9CB969;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.service_tab ul li:hover::after {
    width: 80%;
}

/* 버튼 애니메이션 개선 */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 진행률 표시바 - 위치 수정 */
.scroll-progress {
    position: fixed;
    top: 0; /* bottom에서 top으로 변경 */
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #9CB969, #32362B);
    z-index: 9999; /* z-index 증가 */
    transition: width 0.3s ease;
    box-shadow: 0 2px 10px rgba(156, 185, 105, 0.3);
    pointer-events: none; /* 클릭 이벤트 차단 */
}

/* 패럴랙스 효과를 위한 스타일 */
[data-parallax] {
    transition: transform 0.1s ease-out;
}

/* 타이핑 효과 */
[data-typing] {
    border-right: 2px solid #9CB969;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: #9CB969; }
}

/* 리빌 효과 */
[data-reveal] {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* 로딩 애니메이션 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #9CB969;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 펄스 효과 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 바운스 효과 */
.bounce {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -10px, 0);
    }
    70% {
        transform: translate3d(0, -5px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

/* 셰이크 효과 */
.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* 플립 효과 */
.flip {
    animation: flip 1s ease-in-out;
}

@keyframes flip {
    0% { transform: perspective(400px) rotateY(0); }
    40% { transform: perspective(400px) translateZ(150px) rotateY(170deg); }
    50% { transform: perspective(400px) translateZ(150px) rotateY(190deg) scale(1); }
    80% { transform: perspective(400px) rotateY(360deg) scale(0.95); }
    100% { transform: perspective(400px) scale(1); }
}

/* 그라디언트 애니메이션 */
.gradient-animation {
    background: linear-gradient(-45deg, #9CB969, #32362B, #9CB969, #32362B);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 모바일 최적화 */
@media (max-width: 768px) {
    .slide-up,
    .slide-left,
    .slide-right,
    .scale-in {
        transform: translateY(30px);
    }
    
    .slide-left {
        transform: translateX(-30px);
    }
    
    .slide-right {
        transform: translateX(30px);
    }
    
    .scale-in {
        transform: scale(0.9);
    }
    
    /* 모바일에서는 더 빠른 애니메이션 */
    .scroll-animate,
    .fade-in,
    .slide-up,
    .slide-left,
    .slide-right,
    .scale-in {
        transition-duration: 0.6s;
    }
}

/* 접근성 고려 - 애니메이션 선호도 설정 */
@media (prefers-reduced-motion: reduce) {
    .scroll-animate,
    .fade-in,
    .slide-up,
    .slide-left,
    .slide-right,
    .scale-in,
    .rotate-in {
        animation: none;
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    .header {
        transition: none;
    }
    
    #main_banner::before,
    #main_banner::after {
        transition: none;
    }
}

/* 고성능을 위한 GPU 가속 - will-change 제거로 레이아웃 충돌 방지 */
.scroll-animate,
.fade-in,
.slide-up,
.slide-left,
.slide-right,
.scale-in,
.rotate-in {
    backface-visibility: hidden;
    /* will-change 제거 - 레이아웃 충돌 방지 */
}

/* 부드러운 스크롤 효과만 유지 - 스크롤 스냅 제거 */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
    
    /* 스크롤 스냅 제거 - GNB 레이아웃 충돌 방지 */
    /*
    section {
        scroll-snap-align: start;
    }
    
    body {
        scroll-snap-type: y mandatory;
    }
    */
}