/* ==================== 전역 설정 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 색상 팔레트 - Microsoft Edge 스타일 */
    --primary-color: #0078d4;
    --secondary-color: #50e6ff;
    --accent-color: #00cc6a;
    --dark-bg: #1e1e1e;
    --light-bg: #f3f3f3;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    
    /* 폰트 */
    --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 애니메이션 속도 */
    --transition-speed: 0.3s;
}

body {
    font-family: var(--font-family);
    background: var(--dark-bg);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ==================== 진행률 바 ==================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 9999;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    width: 0%;
    transition: width 0.3s ease;
}

/* ==================== 인트로 화면 ==================== */
.intro-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
    z-index: 1000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    overflow: hidden;
    perspective: 1500px; /* 전체 3D 원근감 */
}

.intro-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 인트로 마우스 반응 이미지 컨테이너 */
.intro-floating-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    perspective: 1200px; /* 3D 원근감 */
}

.intro-floating-image {
    position: absolute;
    border-radius: 25px;
    overflow: hidden;
    /* 우하향 방향 얕은 그림자 (x, y, blur, spread, color) */
    box-shadow: 15px 15px 40px rgba(0, 0, 0, 0.25);
    transition: box-shadow 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    opacity: 0.7;
    /* border 제거 */
    backdrop-filter: blur(8px);
    transform-style: preserve-3d; /* 3D 변환 유지 */
    will-change: transform, opacity; /* 성능 최적화 */
    backface-visibility: hidden; /* 뒷면 숨김 */
}

.intro-floating-image:hover {
    opacity: 1 !important;
    /* 호버 시 우하향 그림자 더 진하게 */
    box-shadow: 20px 20px 60px rgba(0, 0, 0, 0.35);
    z-index: 10;
}

.intro-floating-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: translateZ(0); /* GPU 가속 */
    filter: brightness(1.05) contrast(1.1); /* 이미지 선명도 */
    transition: filter 0.3s ease;
}

.intro-floating-image:hover img {
    filter: brightness(1.1) contrast(1.15);
}

.intro-content {
    text-align: center;
    max-width: 1200px;
    padding: 4rem 5rem;
    position: relative;
    z-index: 2;
    /* 반투명 배경으로 가독성 확보 */
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(25px);
    border-radius: 40px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
}

.intro-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 0.5rem;
    color: white;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.intro-subtitle {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: white;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.intro-description {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    margin-bottom: 2.5rem;
    color: white;
    opacity: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-weight: 500;
}

.start-button {
    padding: 1.25rem 3.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    /* 밝은 시안색으로 배경과 강한 대비 */
    background: #ffffff;
    color: #003d52;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background var(--transition-speed);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4);
    text-shadow: none;
}

.start-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 50px rgba(0, 217, 255, 0.5);
    background: #00e5ff;
}

.start-button svg {
    width: 24px;
    height: 24px;
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.2));
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
    z-index: 2;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: 10px auto;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(-45deg); }
    40% { transform: translateY(10px) rotate(-45deg); }
    60% { transform: translateY(5px) rotate(-45deg); }
}

/* ==================== Swiper 컨테이너 ==================== */
.swiper-container {
    width: 100%;
    height: 100vh;
    cursor: pointer;
    position: relative;
}

.swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-size: cover;
    background-position: center;
    position: relative;
}

/* 슬라이드 배경 오버레이 */
.swiper-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

/* ==================== 슬라이드 미디어 (이미지/동영상) ==================== */
.slide-media {
    position: absolute;
    border-radius: 20px;
    overflow: hidden;
    /* 우하향 방향 얕은 그림자 */
    box-shadow: 12px 12px 35px rgba(0, 0, 0, 0.3);
    z-index: 1; /* 텍스트(z-index: 3)보다 뒤로 */
    /* border 제거 - 깔끔한 디자인 */
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, z-index 0s;
}

.slide-media:hover {
    transform: scale(1.05) !important;
    /* 호버 시 우하향 그림자 더 진하게 */
    box-shadow: 18px 18px 50px rgba(0, 0, 0, 0.45);
    z-index: 5; /* 호버 시 맨 앞으로 */
}

.slide-image {
    width: 560px;
    height: 400px;
}

.slide-video {
    width: 700px;
    height: 500px;
}

/* 반응형 이미지/동영상 처리 */
.slide-media img,
.slide-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 반응형 이미지 최적화 - 모바일에서는 작은 이미지 로드 권장 */
@media (max-width: 768px) {
    .slide-media img {
        /* 모바일에서는 이미지가 숨겨지지만, 혹시 표시될 경우를 대비 */
        max-width: 100%;
        height: auto;
    }
}

/* 태블릿 크기 조정 */
@media (min-width: 769px) and (max-width: 1024px) {
    .slide-image {
        width: 400px;
        height: 300px;
    }
    
    .slide-video {
        width: 500px;
        height: 350px;
    }
}

/* 위치별 스타일 - 큰 이미지에 맞게 조정 + 텍스트 가독성 확보 */
.slide-media[data-position="top-left"] {
    top: 5%;
    left: 3%;
    transform: rotate(-5deg);
}

.slide-media[data-position="top-right"] {
    top: 5%;
    right: 3%;
    transform: rotate(5deg);
}

/* 하단 위치 → 상단으로 이동 (2/3 이하로 안 내려가도록) */
.slide-media[data-position="bottom-left"] {
    top: 35%; /* bottom: 5% 대신 top: 35% (화면 상단 2/3 이내) */
    left: 3%;
    transform: rotate(3deg);
}

.slide-media[data-position="bottom-right"] {
    top: 35%; /* bottom: 5% 대신 top: 35% (화면 상단 2/3 이내) */
    right: 3%;
    transform: rotate(-3deg);
}

.slide-media[data-position="left-center"] {
    top: 15%; /* 중앙이 아닌 상단 쪽으로 */
    left: 2%;
    transform: rotate(-6deg);
}

.slide-media[data-position="right-center"] {
    top: 15%; /* 중앙이 아닌 상단 쪽으로 */
    right: 2%;
    transform: rotate(6deg);
}

.slide-media[data-position="top-center"] {
    top: 3%;
    left: 50%;
    transform: translateX(-50%) rotate(-2deg);
}

.slide-media[data-position="bottom-center"] {
    top: 40%; /* bottom 대신 top 40% (화면 상단 2/3 이내) */
    left: 50%;
    transform: translateX(-50%) rotate(2deg);
}

/* 사용자 지정 위치 (data.js에서 customPosition 사용 시) */
.slide-media[data-custom="true"] {
    /* 커스텀 위치는 인라인 스타일로 적용됨 */
    position: absolute;
}

/* ==================== 슬라이드 콘텐츠 ==================== */
.slide-content {
    position: relative;
    z-index: 3;
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

.slide-month {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.slide-month-large {
    font-size: clamp(1.75rem, 4vw, 3rem) !important;
}

.slide-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.slide-description {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.slide-stat {
    display: inline-block;
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.slide-icon {
    font-size: clamp(4rem, 10vw, 8rem);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.slide-feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    text-align: left;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform var(--transition-speed);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* ==================== 네비게이션 버튼 ==================== */
.swiper-button-next,
.swiper-button-prev {
    color: white;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    transition: all var(--transition-speed);
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 1.5rem;
}

/* 페이지네이션 */
.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: white;
    opacity: 0.5;
    transition: all var(--transition-speed);
}

.swiper-pagination-bullet-active {
    opacity: 1;
    width: 30px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* ==================== 슬라이드 카운터 ==================== */
.slide-counter {
    position: fixed;
    top: 30px;
    right: 30px;
    font-size: 1.125rem;
    font-weight: 600;
    z-index: 100;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==================== 엔딩 화면 ==================== */
.ending-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.ending-screen.visible {
    opacity: 1;
    visibility: visible;
}

.ending-content {
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.ending-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, #50e6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ending-description {
    font-size: clamp(1rem, 2vw, 1.5rem);
    margin-bottom: 3rem;
    opacity: 0.9;
}

.ending-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.action-button {
    width: fit-content;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.action-button.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 10px 30px rgba(0, 120, 212, 0.3);
}

.action-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.action-button:hover {
    transform: translateY(-2px);
}

.action-button.primary:hover {
    box-shadow: 0 15px 40px rgba(0, 120, 212, 0.4);
}

/* ==================== 커서 스타일 힌트 ==================== */
.swiper-container::before {
    content: '← 클릭하여 이전으로';
    position: fixed;
    bottom: 100px;
    left: 30px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.875rem;
    opacity: 0;
    animation: hintFadeIn 1s ease-in-out 2s forwards, hintPulse 2s ease-in-out 3s infinite;
    pointer-events: none;
    z-index: 10;
}

.swiper-container::after {
    content: '클릭하여 다음으로 →';
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.875rem;
    opacity: 0;
    animation: hintFadeIn 1s ease-in-out 2s forwards, hintPulse 2s ease-in-out 3s infinite;
    pointer-events: none;
    z-index: 10;
}

@keyframes hintFadeIn {
    to {
        opacity: 0.7;
    }
}

@keyframes hintPulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.05);
    }
}

/* ==================== 마지막 슬라이드 완료 힌트 ==================== */
.finish-hint {
    position: fixed;
    top: 5%;
    left: 50%;
    transform: translate(-50%, 50%);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
}

.finish-hint.visible {
    opacity: 1;
    visibility: visible;
    animation: finishPulse 1.5s ease-in-out infinite;
}

.finish-hint-content {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1.5rem 3rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 20px 60px rgba(0, 120, 212, 0.5);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.finish-hint-icon {
    font-size: 2rem;
    animation: iconRotate 2s ease-in-out infinite;
}

.finish-hint-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

@keyframes finishPulse {
    0%, 100% {
        transform: translate(-50%, 50%) scale(1);
    }
    50% {
        transform: translate(-50%, 50%) scale(1.1);
    }
}

@keyframes iconRotate {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-10deg);
    }
    75% {
        transform: rotate(10deg);
    }
}

/* ==================== 반응형 디자인 ==================== */
@media (max-width: 768px) {
    /* 모바일에서 인트로 박스 크기 조정 */
    .intro-content {
        max-width: 90%;
        padding: 2.5rem 2rem;
        border-radius: 25px;
    }
    
    /* 모바일에서 인트로 텍스트 크기 조정 */
    .intro-title {
        font-size: clamp(2.5rem, 7vw, 3.5rem);
    }
    
    .intro-subtitle {
        font-size: clamp(1.5rem, 5.5vw, 2.5rem);
    }
    
    .intro-description {
        font-size: clamp(1.25rem, 4vw, 2rem);
    }
    
    .slide-counter {
        top: 20px;
        right: 20px;
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .swiper-button-next,
    .swiper-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .swiper-button-next::after,
    .swiper-button-prev::after {
        font-size: 1.25rem;
    }
    
    /* 모바일에서 페이지네이션을 화면 하단 가로로 배치 */
    .swiper-pagination {
        position: fixed !important;
        bottom: 20px !important;
        left: 50% !important;
        right: auto !important;
        top: auto !important;
        transform: translateX(-50%) !important;
        width: auto !important;
        height: auto !important;
        display: flex !important;
        flex-direction: row !important;
        justify-content: center !important;
        gap: 8px !important;
    }
    
    .slide-feature-list {
        grid-template-columns: 1fr;
    }
    
    .ending-actions {
        flex-direction: column;
        align-items: center;
    }
    
    /* 모바일에서는 힌트 텍스트 변경 - 상단에 배치 */
    .swiper-container::before {
        content: '← 이전';
        top: 80px;
        left: 20px;
        bottom: auto;
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
    
    .swiper-container::after {
        content: '다음 →';
        top: 80px;
        right: 20px;
        bottom: auto;
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
    
    /* 모바일에서 텍스트 크기 조정 */
    .slide-month {
        font-size: clamp(0.875rem, 2vw, 1.25rem);
    }
    
    .slide-month-large {
        font-size: clamp(1.25rem, 3vw, 2rem) !important;
    }
    
    .slide-title {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
    }
    
    .slide-description {
        font-size: clamp(0.875rem, 2vw, 1.125rem);
    }
    
    .slide-stat {
        font-size: clamp(2rem, 6vw, 3.5rem);
    }
    
    .slide-icon {
        font-size: clamp(2.5rem, 7vw, 4rem);
    }
    
    /* 모바일에서 떠다니는 아이콘 크기 조정 */
    .floating-icon {
        font-size: 30px !important;
    }
    
    /* 모바일에서 인트로 이미지 크기 조정 */
    .intro-floating-image {
        width: 150px !important;
        height: 150px !important;
    }
    
    /* 모바일에서 모든 슬라이드 미디어(이미지/동영상) 숨김 */
    .slide-media {
        display: none !important;
    }
    
    /* 모바일에서 슬라이드 콘텐츠 중앙 정렬 강화 */
    .slide-content {
        padding: 1rem;
    }
    
    /* 모바일에서 완료 힌트 크기 조정 */
    .finish-hint-content {
        padding: 1rem 2rem;
    }
    
    .finish-hint-icon {
        font-size: 1.5rem;
    }
    
    .finish-hint-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    /* 초소형 화면에서는 적절한 크기로 */
    .slide-image {
        width: 180px;
        height: 140px;
    }
    
    .slide-video {
        width: 240px;
        height: 180px;
    }
}

/* ==================== 다양한 슬라이드 배경 ==================== */
.slide-bg-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.slide-bg-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.slide-bg-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.slide-bg-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.slide-bg-5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.slide-bg-6 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); }
.slide-bg-7 { background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); }
.slide-bg-8 { background: linear-gradient(135deg, #ff9a56 0%, #ff6a88 100%); }
.slide-bg-9 { background: linear-gradient(135deg, #81fbb8 0%, #28c76f 100%); }
.slide-bg-10 { background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%); }
.slide-bg-11 { background: linear-gradient(135deg, #f54ea2 0%, #ff7676 100%); }
.slide-bg-12 { background: linear-gradient(135deg, #17ead9 0%, #6078ea 100%); }

/* ==================== 떠다니는 아이콘 컨테이너 ==================== */
.floating-icons-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    font-size: 50px;
    opacity: 0.2;
    animation: floatAround 20s infinite ease-in-out;
    will-change: transform;
    filter: blur(1px);
    pointer-events: none;
}

/* 떠다니는 애니메이션 - 8자 움직임 */
@keyframes floatAround {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(100px, -100px) rotate(90deg) scale(1.2);
    }
    50% {
        transform: translate(0, -200px) rotate(180deg) scale(1);
    }
    75% {
        transform: translate(-100px, -100px) rotate(270deg) scale(0.8);
    }
    100% {
        transform: translate(0, 0) rotate(360deg) scale(1);
    }
}

/* 다양한 움직임 패턴 */
.floating-icon:nth-child(2n) {
    animation-name: floatAroundAlt;
}

.floating-icon:nth-child(3n) {
    animation-name: floatCircle;
}

.floating-icon:nth-child(4n) {
    animation-name: floatWave;
}

@keyframes floatAroundAlt {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(-80px, 120px) rotate(-90deg);
    }
    50% {
        transform: translate(0, 200px) rotate(-180deg);
    }
    75% {
        transform: translate(80px, 120px) rotate(-270deg);
    }
    100% {
        transform: translate(0, 0) rotate(-360deg);
    }
}

@keyframes floatCircle {
    0% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(150px, 0) scale(1.1);
    }
    50% {
        transform: translate(150px, 150px) scale(0.9);
    }
    75% {
        transform: translate(0, 150px) scale(1.1);
    }
    100% {
        transform: translate(0, 0) scale(1);
    }
}

@keyframes floatWave {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-50px) translateX(50px);
    }
    50% {
        transform: translateY(0) translateX(100px);
    }
    75% {
        transform: translateY(50px) translateX(50px);
    }
}

/* ==================== 애니메이션 개선 ==================== */
.swiper-slide-active .slide-content > * {
    animation: slideInUp 0.6s ease-out forwards;
    opacity: 0;
}

.swiper-slide-active .slide-month { animation-delay: 0.1s; }
.swiper-slide-active .slide-icon { animation-delay: 0.2s; }
.swiper-slide-active .slide-title { animation-delay: 0.3s; }
.swiper-slide-active .slide-stat { animation-delay: 0.4s; }
.swiper-slide-active .slide-description { animation-delay: 0.5s; }

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}