/* 전체 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', sans-serif;
    text-align: center;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 타이포그래피 */
h1 {
    font-weight: bold;
    font-size: 50px;
    color: #181B19;
    line-height: 130%;
    margin-bottom: 20px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

h2 {
    font-weight: bold;
    font-size: 40px;
    color: #181B19;
    line-height: 130%;
    margin-bottom: 20px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

h3 {
    font-weight: bold;
    font-size: 20px;
    color: #181B19;
    line-height: 140%;
    opacity: 0.5;
    margin-bottom: 20px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

h4 {
    font-weight: bold;
    font-size: 16px;
    color: #181B19;
    line-height: 130%;
    opacity: 0.5;
}

/* 버튼 스타일 */
.btn {
    display: inline-block;
    padding: 15px 20px;
    background-color: #181B19;
    color: #ffffff;
    font-weight: bold;
    font-size: 16px;
    line-height: 130%;
    border-radius: 100px;
    border: none;
    cursor: pointer;
}

.btn_menu {
    display: inline-block;
    padding: 15px 20px;
    background-color: rgba(24, 27, 25, 0.3);
    color: #ffffff;
    font-weight: bold;
    font-size: 16px;
    line-height: 130%;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    margin: 0 2px;
    opacity: 0.3;
    -webkit-tap-highlight-color: rgba(46, 178, 99, 0.2);
    touch-action: manipulation;
    transition: background-color 0.1s ease, color 0.1s ease, opacity 0.1s ease;
}

.btn_menu.active {
    background-color: #C1FFB9;
    color: #2EB263;
    opacity: 1;
}

.btn_menu:active {
    background-color: #C1FFB9;
    color: #2EB263;
    opacity: 1;
    transition: none;
}

/* 메뉴바 */
.menu-bar {
    width: 100%;
    padding: 30px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: transparent;
}

.menu-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 44px;
}

.logo-link {
    display: inline-block;
    cursor: pointer;
    /* transition: transform 0.2s ease; */
}

.logo-link:hover {
    /* transform: scale(1.05); */
}

.app-links {
    display: flex;
    gap: 10px;
}

.app-links a {
    display: inline-block;
    /* transition: transform 0.2s ease; */
}

.app-links a:hover {
    /* transform: scale(1.05); */
}

.app-store, .google-play {
    height: 38px;
    cursor: pointer;
}

/* 히어로 섹션 */
.hero-section {
    padding: 0;
    position: relative;
    width: 100%;
    overflow: visible;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: auto;
    min-height: min-content;
}

.hero-section:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 600px;
    background: linear-gradient(45deg, rgba(233, 249, 255, 0.7), rgba(243, 255, 243, 0.7));
    z-index: -1;
}

.hero-section:after {
    content: "";
    position: absolute;
    top: 600px;
    left: 0;
    width: 100%;
    height: calc(100% - 600px);
    background-color: #ffffff;
    z-index: -1;
}

.hero-section .container {
    margin-top: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 50px;
}

.social-area {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 20px 0;
}

.social-area .btn {
    margin-right: 10px;
}

.profiles-group {
    display: flex;
    align-items: center;
}

.profiles {
    display: flex;
    margin-right: 4px;
}

.profile {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-left: -4px;
}

.image-area {
    margin-top: 20px;
}

.hero-image {
    width: 300px;
    height: 650px;
    border-radius: 30px;
    box-shadow: 0 5px 40px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
}

/* 콘텐츠 섹션 */
.content-section {
    padding-top: 200px;
    width: 100%;
}

.content-section .container {
    max-width: 100%;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
}

.content-section h2,
.content-section h3 {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.card-gallery {
    display: flex;
    gap: 10px;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden;
    position: relative;
    width: 100%;
}

@keyframes scrollCards {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-250px * 6)); /* 카드 6개 너비만큼 이동 (원본 카드 갯수) */
    }
}

.card-gallery-container {
    display: flex;
    gap: 10px;
    animation: scrollCards 60s linear infinite;
    width: max-content;
    align-items: flex-start;
}

.card {
    flex-shrink: 0;
    width: 335px;
    height: auto;
    border-radius: 20px;
    vertical-align: top;
    object-fit: contain;
}

/* 기능 섹션 */
.feature-section {
    padding-top: 200px;
    width: 100%;
}

.feature-section h2 {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.menu-tabs {
    margin: 20px 0;
}

.tab-content {
    margin: 20px 0;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-content h3 {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

/* 기능 섹션 이미지 애니메이션 */
@keyframes floatAnimation {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

.function-image {
    width: 440px;
    height: 440px;
    object-fit: contain;
    max-width: 100%;
}

/* 플랜 섹션 */
.plan-section {
    background-color: #FFFFFF;
    padding: 100px 0;
    position: relative;
}

.plan-section h2 {
    color: #181B19;
    margin-bottom: 20px;
}

.plan-section h3 {
    margin-bottom: 40px;
}

.plan-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 40px;
    position: relative;
    min-height: 750px;
}

.plan-ui-image {
    width: 570px;
    height: 730px;
    object-fit: contain;
    border-radius: 20px;
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.plan-background {
    position: absolute;
    width: 80%;
    height: 600px;
    background: linear-gradient(45deg, rgba(233, 249, 255, 0.7), rgba(243, 255, 243, 0.7));
    border-radius: 30px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* 파티 섹션 */
.party-section {
    padding-top: 200px;
    padding-bottom: 200px;
    width: 100%;
    background: linear-gradient(45deg, rgba(233, 249, 255, 0.7), rgba(243, 255, 243, 0.7));
    overflow-x: hidden;
}

.party-section h2,
.party-section h3 {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.profile-gallery {
    margin: 20px 0;
    position: relative;
    min-height: 400px;
    overflow: visible;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.profile-row {
    display: none;
}

.profile-bubble {
    position: absolute;
    border-radius: 50%;
    z-index: 1;
    max-width: 100%;
    max-height: 100%;
}

/* 프로필 이미지 스타일 */
.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

/* 푸터 섹션 */
.footer-section {
    padding-top: 200px;
    padding-bottom: 300px;
    width: 100%;
}

.footer-section h1 {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.footer-section .app-links {
    justify-content: center;
    margin: 20px 0;
}

/* 섹션 간격 */
section {
    margin-bottom: 200px;
}

/* 히어로 섹션 버튼 스타일 */
.hero-section .btn {
    background-color: #C1FFB9;
    color: #2EB263;
}

/* 애니메이션 스타일 */
@keyframes ringBell {
    0% { transform: rotate(0); }
    10% { transform: rotate(5deg); }
    20% { transform: rotate(-5deg); }
    30% { transform: rotate(4deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(2deg); }
    60% { transform: rotate(-2deg); }
    70% { transform: rotate(0); }
    100% { transform: rotate(0); }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section .btn {
    animation: ringBell 0.4s ease-in-out;
    animation-iteration-count: infinite;
    animation-delay: 0s;
    animation-play-state: running;
}

.hero-section h1 {
    opacity: 0;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.hero-section h1 .line1 {
    display: inline-block;
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.hero-section h1 .line2 {
    display: inline-block;
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
    animation-delay: 0.3s;
}

.count-animation {
    display: inline;
}

/* 스크롤에 따라 움직이는 얼굴 이미지 스타일 */
.floating-face {
    position: fixed;
    pointer-events: none;
    z-index: 1000;
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform: translate(-50%, -50%);
}

/* face~.png 둥둥 애니메이션 */
@keyframes floatingFaceAnimation {
    0% {
        transform: translate(-50%, -50%) translateY(0);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-10px);
    }
    100% {
        transform: translate(-50%, -50%) translateY(0);
    }
}

.floating-face img {
    height: 200px;
    width: auto;
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: block;
    transform-origin: center center;
    object-fit: contain;
    animation: floatingFaceAnimation 4s ease-in-out infinite;
    filter: drop-shadow(0px 0px 40px rgba(0, 0, 0, 0.2));
}

/* 링크 공유 팝업 스타일 */
.share-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    /* 애니메이션 제거 */
}

.share-popup.active {
    opacity: 1;
    visibility: visible;
    /* 애니메이션 제거 */
}

.share-popup-content {
    background-color: white;
    border-radius: 30px;
    width: 90%;
    max-width: 360px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.1);
    /* transform 속성 제거 */
    opacity: 1;
}

.share-popup-body {
    padding: 60px 30px 30px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.popup-image {
    height: 140px;
    width: auto;
    margin-bottom: 30px;
}

.share-link-container {
    width: 100%;
    margin: 10px 0 5px 0;
}

#shareLink {
    width: 100%;
    padding: 20px;
    border-radius: 100px;
    font-size: 18px;
    color: #181B19;
    font-weight: bold;
    text-align: center;
    background-color: #f9f9f9;
    cursor: default;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    border: none;
}

#shareLink:focus {
    outline: none;
}

.share-popup-body .btn {
    margin: 5px 0 10px 0;
    width: 100%;
    background-color: #C1FFB9;
    color: #2EB263;
    padding: 14px 20px;
    font-size: 18px;
    font-weight: bold;
    transition: opacity 0.2s ease;
}

.share-popup-body .btn h4 {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-weight: bold;
    color: #2EB263;
    opacity: 1;
}

.share-popup-body .btn.copied h4 {
    opacity: 0.3;
}

.share-popup-body .btn.copied {
    opacity: 0.3;
}

.close-button {
    background: none;
    border: none;
    cursor: pointer;
    margin-top: 10px;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.close-icon {
    width: 24px;
    height: 24px;
}

/* 미디어 쿼리 - 모바일 환경에서의 폰트 사이즈 조정 */
@media (max-width: 768px) {
    h1 {
        font-size: 36px;
        width: 90%;
        line-height: 140%;
    }

    h2 {
        font-size: 30px;
        width: 90%;
        line-height: 150%;
    }

    h3 {
        font-size: 16px;
        width: 90%;
        line-height: 160%;
    }

    h4 {
        font-size: 13px;
        line-height: 130%;
    }

    .btn, .btn_menu {
        font-size: 13px;
        padding: 12px 16px;
    }
    
    .menu-bar {
        padding: 16px;
    }
    
    .logo {
        height: 36px;
    }
    
    .app-store, .google-play {
        height: 30px;
    }
    
    /* 히어로 섹션 모바일 대응 */
    .hero-section {
        height: auto;
        min-height: min-content;
        padding-bottom: 40px;
        overflow: visible;
    }
    
    .hero-section:before {
        height: 600px;
        background: linear-gradient(45deg, rgba(233, 249, 255, 0.7), rgba(243, 255, 243, 0.7));
    }
    
    .hero-section:after {
        top: 600px;
        height: calc(100% - 600px);
    }
    
    .hero-section .container {
        margin-top: 20vh;
        overflow: visible;
        padding-bottom: 30px;
    }
    
    .hero-section h1 {
        font-size: 40px;
        width: 90%;
        margin-bottom: 2vh;
    }
    
    .social-area {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        margin: 0 0 8vh 0;
    }
    
    .social-area .btn {
        margin-right: 0;
        margin-bottom: 0;
        padding-left: 20px;
        padding-right: 20px;
        order: 2;
    }
    
    .profiles-group {
        display: flex;
        align-items: center;
        margin-right: 0;
        margin-bottom: 2vh;
        order: 1;
    }
    
    .profiles {
        display: flex;
        margin-right: 4px;
    }
    
    .profile {
        width: 30px;
        height: 30px;
    }
    
    .image-area {
        margin-top: 0;
        overflow: visible;
    }
    
    .hero-image {
        width: 280px;
        height: auto;
        border-radius: 30px;
        box-shadow: 0 5px 40px rgba(0,0,0,0.05);
        border: 1px solid rgba(0,0,0,0.05);
    }
    
    /* 콘텐츠 섹션 모바일 대응 */
    .content-section {
        padding-top: 150px;
        overflow-x: hidden;
    }
    
    .content-section h2,
    .content-section h3,
    .feature-section h2,
    .tab-content h3,
    .party-section h2,
    .party-section h3,
    .footer-section h1 {
        width: 90%;
    }
    
    .card {
        width: 250px;
        max-width: 70vw;
        border-radius: 0;
    }
    
    .card-gallery-container {
        width: max-content;
        max-width: none;
    }
    
    @keyframes scrollCards {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-70vw * 6));
        }
    }
    
    /* 기능 섹션 모바일 대응 */
    .feature-section {
        padding-top: 150px;
        overflow-x: hidden;
    }
    
    .menu-tabs {
        display: flex;
        flex-wrap: nowrap;
        justify-content: center;
        gap: 4px;
        margin: 20px auto;
        width: 90%;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }
    
    .btn_menu {
        padding: 10px 16px;
        margin: 0;
        flex-grow: 0;
        flex-shrink: 0;
        max-width: none;
        min-width: auto;
        white-space: nowrap;
    }
    
    .btn_menu:active {
        background-color: #C1FFB9;
        color: #2EB263;
        opacity: 1;
        transition: none;
    }
    
    .function-image {
        width: 100%;
        height: auto;
        max-width: 280px;
        max-height: 280px;
    }
    
    /* 기능 탭 관련 컨테이너 제한 */
    .tab-pane {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .feature-image {
        width: 100%;
        overflow: hidden;
    }
    
    /* 푸터 섹션 모바일 대응 */
    .footer-section {
        padding-top: 150px;
        padding-bottom: 225px;
    }
    
    /* 모바일에서 파티 섹션 조정 */
    .party-section {
        padding-top: 150px;
        padding-bottom: 150px;
        background: linear-gradient(45deg, rgba(233, 249, 255, 0.7), rgba(243, 255, 243, 0.7));
    }
    
    .profile-gallery {
        min-height: 300px;
    }
    
    /* 모바일에서 섹션 간격 조정 */
    section {
        margin-bottom: 120px;
        overflow-x: hidden;
    }
    
    /* 모바일에서 floating-face 이미지 크기 조정 */
    .floating-face img {
        height: 120px !important;
        width: auto !important;
    }
    
    /* 모바일에서 컨테이너 패딩 조정 */
    .container {
        padding: 0;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* 모바일에서 공유 팝업 조정 */
    .share-popup-content {
        width: 80%;
        max-width: 300px;
        border-radius: 25px;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
        /* transform 제거 */
        opacity: 1;
    }
    
    .share-popup-body {
        padding: 40px 20px 25px 20px;
    }
    
    .popup-image {
        height: 110px;
        margin-bottom: 20px;
    }
    
    #shareLink {
        font-size: 16px;
        padding: 15px;
        border-radius: 80px;
    }
    
    .share-popup-body .btn {
        padding: 12px 15px;
        margin: 4px 0 8px 0;
    }
    
    .share-popup-body .btn h4 {
        font-size: 14px;
    }
    
    .close-button {
        margin-top: 8px;
        padding: 8px;
    }
    
    .close-icon {
        width: 20px;
        height: 20px;
    }

    /* 모바일에서 플랜 섹션 조정 */
    .plan-section {
        padding: 70px 0;
    }
    
    .plan-image {
        min-height: 460px;
    }

    .plan-ui-image {
        width: 335px;
        height: auto;
        border-radius: 0;
        position: absolute;
        z-index: 2;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .plan-background {
        height: 360px;
        border-radius: 20px;
        width: 90%;
    }
}