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

.welcome-body {

    margin: 0;

    background:
        #59538b;

    min-height: 100vh;

    font-family:
        serif;
}

.welcome-screen {

    height: 100vh;

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    text-align: center;

    box-sizing: border-box;

    padding: 40px 20px 100px;
}

.welcome-title {

    font-size:
        clamp(3rem, 7vw, 5rem);

    color:
        #21196b;

    font-style:
        italic;

    font-weight:
        400;

    margin: 0;

    text-align: center;
}

.main-logo {

    width: 240px;

    max-width: 70vw;

    margin-top: 40px;
}

.bottom-info {

    width: 100%;

    display: flex;

    justify-content: space-between;

    align-items: end;
}

.bottom-label {

    color:
        #21196b;

    font-size:
        clamp(1.1rem, 2vw, 2rem);

    font-style:
        italic;

    margin-bottom: 10px;
}

.bank-logo {

    width:
        180px;

    object-fit: contain;
}

.small-logo {

    width:
        120px;

    object-fit: contain;
}

.sponsor-box,
.organizer-box {

    display: flex;

    flex-direction: column;
}

body {
    font-family: Arial, sans-serif;
    transition: opacity 0.5s ease;
    background: linear-gradient(180deg, #59538b 0%, #59538a 100%);
    min-height: 100vh;
    overflow-x: hidden;
    color: white;
    overscroll-behavior-y: contain;
}

header {
    width: 100%;
    padding: 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    justify-content: flex-start;
}

.audio-btn {
    padding: 12px 22px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    cursor: pointer;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: 15px;
    transition: 0.3s;
}

.audio-btn:hover {
    background: rgba(255,255,255,0.25);
}

.gallery {
    width: 100%;
    padding: 100px 18px 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gallery img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.65);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 28px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    padding: 25px;
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: white;
}

.modal-content h3 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 22px;
}

.puzzle-grid {

    width: 100%;

    min-height: 100vh;

    display: flex;

    flex-direction: column;

    justify-content: flex-start;

    align-items: center;

    gap: 18px;

    padding: 40px 16px 120px;

    box-sizing: border-box;
}

.puzzle-item {

    width: 92%;

    max-width: 340px;

    height: 180px;

    border-radius: 32px;

    display: flex;

    justify-content: center;

    align-items: center;

    text-align: center;

    box-sizing: border-box;

    background: rgba(255,255,255,0.08);

    border: 1px solid rgba(255,255,255,0.12);

    backdrop-filter: blur(10px);

    -webkit-backdrop-filter: blur(10px);

    transition: 0.3s ease;
}

.puzzle-item:hover {

    transform: scale(1.02);

    background: rgba(255,255,255,0.12);
}
.puzzle-item img,
.puzzle-item video {

    width: 100%;

    height: 100%;

    object-fit: cover;
}

.sound-tile {

    display: flex;

    justify-content: center;

    align-items: center;

    font-size: 26px;

    font-weight: bold;

    color: white;
}

.container {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.drop-body {

    display: flex;

    justify-content: center;
    align-items: center;

    min-height: 100vh;

    padding: 20px;
}

.drop-btn {

    width: 92px;
height: 92px;

    border-radius: 50%;

    border: 1px solid rgba(255,255,255,0.18);

    background: rgba(255,255,255,0.08);

    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    color: white;

    font-size: 22px;

    cursor: pointer;

    transition: all 0.3s ease;

    box-shadow:
        0 8px 32px rgba(0,0,0,0.35);
}

.drop-btn:hover {

    transform: scale(1.05);

    background: rgba(255,255,255,0.12);
}

.drop-btn:active {

    transform: scale(0.98);
}

.drop-container {

    margin-top: -12px;
}

.nature-body {

    display: flex;

    justify-content: center;
    align-items: center;

    min-height: 100vh;

    padding: 20px;
}

.nature-btn {

    width: 92px;
    height: 92px;

    border-radius: 50%;

    border: 1px solid rgba(255,255,255,0.18);

    background: rgba(255,255,255,0.08);

    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    color: white;

    font-size: 22px;

    cursor: pointer;

    transition: all 0.3s ease;

    box-shadow:
        0 8px 32px rgba(0,0,0,0.35);
}

.nature-btn:hover {

    transform: scale(1.05);

    background: rgba(255,255,255,0.12);
}

.nature-btn:active {

    transform: scale(0.98);
}

.notes-container {

    display: flex;

    gap: 25px;

    justify-content: center;
    align-items: center;

}

.note-btn {

    width: 90px;
    height: 90px;

    border-radius: 50%;

    border: 1px solid rgba(255,255,255,0.2);

    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    color: white;

    font-size: 18px;
    font-weight: 600;

    cursor: pointer;

    transition: all 0.3s ease;

    box-shadow:
        0 8px 32px rgba(0,0,0,0.35);
}

.note-btn:hover {

    transform: scale(1.05);
}

.fa-btn {

    background: rgba(255, 230, 0, 0.78);
}

.fa-btn:hover {

    background: rgba(255, 230, 0, 0.78);
}

.g-btn {

    background: rgba(132, 204, 22, 0.72);
}

.g-btn:hover {

    background: rgba(132, 204, 22, 0.72);
}

.lyrics-box {

    background:
        rgba(255,255,255,0.08);

    border:
        1px solid rgba(255,255,255,0.15);

    backdrop-filter: blur(16px);

    border-radius: 28px;

    padding: 16px;

    max-width: 900px;

    margin-top: 40px;

    margin-right: 42px;

    box-shadow:
        0 8px 32px rgba(0,0,0,0.35);

    width: 90%;
    max-height: 72vh;
    overflow-y: auto; 
    background: rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    padding: 25px;
}

.lyrics-box h3 {

    text-align: center;

    margin-bottom: 14px;

    font-size: 28px;

    color: white;
}

.lyrics-box p {

    font-size: 12px;

    line-height: 1.8;

    color: rgba(255,255,255,0.88);

    margin-bottom: 6px;

    text-align: center;
}

.notes-wrapper {

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    gap: 36px;

    padding: 40px 0 80px;

    box-sizing: border-box;

    width: 100%;
}

body {

    margin: 0;

    scroll-snap-type: y mandatory;

    overflow-y: scroll;

    height: 100vh;

    scroll-behavior: smooth;
}

.plain-lyric-line {

    font-size: 20px;

    line-height: 1.7;

    text-align: center;

    margin-bottom: 14px;

    color: rgba(255,255,255,0.9);
}

.lyric-line {

    font-size: clamp(11px, 2vw, 16px);

    line-height: 1.8;

    text-align: center;

    margin-bottom: 8px;
}

.yellow {

    background:
        rgba(255, 230, 0, 0.78);

    color: black;

    padding: 4px 8px;

    border-radius: 8px;
}

.green {

    background:
        rgba(132, 204, 22, 0.72);

    color: black;

    padding: 4px 8px;

    border-radius: 8px;
}

.active {
    box-shadow: 0 0 25px rgba(255,255,255,0.4);
    transform: scale(1.05);
}

.page {

    min-height: 100vh;

    scroll-snap-align: start;
}

.second-page {

    display: flex;

    justify-content: center;

    align-items: center;

    font-size: 42px;

    color: white;
}

html {

    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}


.story-body {

    scroll-snap-type: y proximity;

    overflow-y: scroll;

    height: 100vh;
}


.page-footer {

    position: absolute;

    bottom: 12px;

    left: 0;

    width: 100%;

    padding: 0 18px;

    box-sizing: border-box;

    display: flex;

    justify-content: space-between;

    align-items: center;

    opacity: 0.75;
}

.footer-side {

    display: flex;

    align-items: center;

    gap: 6px;
}

.footer-label {

    margin: 0;

    font-size: 0.75rem;

    color: white;
}

.footer-bank-logo {

    width: 80px;

    height: auto;

    object-fit: contain;
}

.footer-main-logo {

    width: 45px;

    height: auto;

    object-fit: contain;
}

.story-body::-webkit-scrollbar { display: none; }

.story-page {

    min-height: 100vh;

    scroll-snap-align: start;

    scroll-snap-stop: always;

    position: relative;

    display: flex;

    justify-content: center;

    align-items: center;

    padding: 40px 0 80px;

    box-sizing: border-box;
}

.transition-page {

    position: relative;
}

.program-container {

    width: 100%;

    max-width: 700px;

    margin: 0 auto;

    padding: 80px 16px 140px;

    box-sizing: border-box;

    display: flex;

    flex-direction: column;

    gap: 18px;
}

.program-title {

    text-align: center;

    color: white;

    margin-bottom: 20px;

    font-size: 2rem;
}

.program-card {

    width: 100%;

    padding: 18px;

    border-radius: 28px;

    background: rgba(255,255,255,0.08);

    border: 1px solid rgba(255,255,255,0.12);

    backdrop-filter: blur(10px);

    -webkit-backdrop-filter: blur(10px);

    display: flex;

    gap: 18px;

    align-items: center;

    box-sizing: border-box;
}

.song-number {

    min-width: 55px;

    height: 55px;

    border-radius: 50%;

    background: rgba(255,255,255,0.12);

    display: flex;

    justify-content: center;

    align-items: center;

    color: white;

    font-weight: bold;

    font-size: 1.1rem;
}

.song-info h2 {

    margin: 0 0 8px;

    color: white;

    font-size: 1.2rem;
}

.song-info p {

    margin: 4px 0;

    color: rgba(255,255,255,0.8);

    font-size: 0.95rem;
}


.story-progress {

    position: fixed;

    right: 6px;

    top: 50%;

    transform: translateY(-50%);

    display: flex;

    flex-direction: column;

    gap: 6px;

    z-index: 1000;
}

.progress-number {

    width: 24px;

    height: 24px;

    border-radius: 50%;

    display: flex;

    justify-content: center;

    align-items: center;

    background: rgba(255,255,255,0.05);

    border: 1px solid rgba(255,255,255,0.08);

    color: rgba(255,255,255,0.45);

    font-size: 0.72rem;

    font-weight: 600;

    backdrop-filter: blur(6px);

    transition: all 0.25s ease;

    flex-shrink: 0;
}

.progress-number.active {

    background: rgba(255,255,255,0.18);

    color: white;

    box-shadow:
        0 0 10px rgba(255,255,255,0.35);

    transform: scale(1.08);
}

@media (min-width: 768px) {

    .gallery {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        gap: 30px;
        padding-top: 120px;
    }

    .gallery img {
        width: 45%;
        max-width: 500px;
    }

    .btn {
        width: 160px;
        height: 160px;
    }
}

@media (min-width: 1200px) {

    .gallery {
        max-width: 1400px;
        margin: auto;
    }

    .gallery img {
        width: 40%;
    }
}