/* Font Declarations */
@font-face {
    font-family: 'Jalnan2';
    src: url('../fonts/Jalnan2/Jalnan2.otf') format('opentype'),
         url('../fonts/Jalnan2/Jalnan2TTF.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'OkDanDan';
    src: url('../fonts/OkDanDan-Bold.otf') format('opentype'),
         url('../fonts/OkDanDan-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --accent-color: #000000;
    --card-bg: #ffffff;
    --header-height: 70px;
    --footer-height: 50px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    text-transform: lowercase;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* Header */
.site-header {
    background-color: #ffffff;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    border-bottom: 1px solid #000000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.5rem;
    color: #000000;
    letter-spacing: 1px;
    font-weight: 300;
    text-transform: lowercase;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    color: #000000;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon:hover {
    opacity: 0.6;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-top: var(--header-height);
    margin-bottom: var(--footer-height);
    padding: 0;
    width: 100%;
}

/* Viewer Card */
.viewer-card {
    background: #ffffff;
    border: 1px solid #000000;
    overflow: hidden;
    margin-bottom: 2rem;
}

.card-header {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
    width: 100%;
    text-align: center;
}

.item-title-bubble {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 12vw;
    color: #ffffff;
    letter-spacing: -0.02em;
    font-weight: 900;
    text-transform: lowercase;
    opacity: 0.3;
    mix-blend-mode: overlay;
    line-height: 1;
    white-space: nowrap;
    animation: zoomFadeIn 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes zoomFadeIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 0.3;
    }
}

.viewer-container {
    position: relative;
    width: 100%;
    height: 70vh;
    background: linear-gradient(180deg, #7eb3d1 0%, #d4e3ed 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.5s ease;
}

#model-viewer {
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
    z-index: 5;
}

#image-viewer {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: none;
}

.viewer-click-zone {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 25%;
    cursor: pointer;
    z-index: 10;
    overflow: hidden;
}

.viewer-border {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    bottom: 3.5rem;
    pointer-events: none;
    width: calc(100% - 2rem);
    height: calc(100% - 4.5rem);
}

.viewer-border rect {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    transition: stroke-dashoffset 0.8s ease;
}

.viewer-click-zone:hover .viewer-border rect {
    stroke-dashoffset: 0;
}

.viewer-click-zone-content {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.viewer-click-zone span {
    font-size: 8rem;
    font-weight: 900;
    color: #ffffff;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    margin-top: -2rem;
}

.viewer-click-zone span:first-child {
    margin-top: 0;
}

.viewer-click-zone:hover span {
    opacity: 0.3;
}

.viewer-click-zone.left {
    left: 0;
}

.viewer-click-zone.left .viewer-border rect {
    stroke-dashoffset: -600;
}

.viewer-click-zone.left:hover .viewer-border rect {
    stroke-dashoffset: 0;
}

.viewer-click-zone.left span {
    transform: translateY(30px);
}

.viewer-click-zone.left span:nth-child(1) { transition-delay: 0s; }
.viewer-click-zone.left span:nth-child(2) { transition-delay: 0.05s; }
.viewer-click-zone.left span:nth-child(3) { transition-delay: 0.1s; }
.viewer-click-zone.left span:nth-child(4) { transition-delay: 0.15s; }

.viewer-click-zone.left:hover span {
    transform: translateY(0);
}

.viewer-click-zone.right {
    right: 0;
}

.viewer-click-zone.right span {
    transform: translateY(-30px);
}

.viewer-click-zone.right span:nth-child(1) { transition-delay: 0.15s; }
.viewer-click-zone.right span:nth-child(2) { transition-delay: 0.1s; }
.viewer-click-zone.right span:nth-child(3) { transition-delay: 0.05s; }
.viewer-click-zone.right span:nth-child(4) { transition-delay: 0s; }

.viewer-click-zone.right:hover span {
    transform: translateY(0);
}

/* Animation Picker */
.animation-picker {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #000000;
    padding: 0.5rem 1rem;
    z-index: 20;
}

.animation-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.animation-btn {
    background: #ffffff;
    color: #000000;
    border: 1px solid #000000;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 300;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    letter-spacing: 0.5px;
    text-transform: lowercase;
}

.animation-btn:hover {
    background: #000000;
    color: #ffffff;
}

.animation-btn.active {
    background: #000000;
    color: #ffffff;
}



/* Asset Thumbnails */
.thumbnails-container {
    padding: 0;
}

.thumbnails-scroll {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0;
    scroll-behavior: smooth;
}

.thumbnails-scroll::-webkit-scrollbar {
    height: 4px;
}

.thumbnails-scroll::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 2px;
}

.thumbnails-scroll::-webkit-scrollbar-thumb {
    background: #000000;
    border-radius: 2px;
}

.thumbnails-scroll::-webkit-scrollbar-thumb:hover {
    background: #333333;
}

.thumbnail {
    padding: 0.25rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 300;
    color: #000000;
    text-transform: lowercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.thumbnail:hover {
    color: #0066ff;
}

.thumbnail.active {
    color: #0066ff;
    font-weight: bold;
}

/* Footer */
.site-footer {
    background-color: #ffffff;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--footer-height);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-content a {
    color: #000000;
    text-decoration: none;
    font-size: 0.75rem;
    transition: opacity 0.2s ease;
    font-weight: 300;
    letter-spacing: 0.5px;
    text-transform: lowercase;
}

.footer-content a:hover {
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .card-header {
        top: auto;
        bottom: 5rem;
        transform: translate(-50%, 0);
    }
    
    .item-title-bubble {
        font-size: 15vw;
    }
    .site-title {
        font-size: 1.5rem;
    }

    .social-links {
        gap: 1rem;
    }

    .social-icon svg {
        width: 20px;
        height: 20px;
    }

    .viewer-container {
        height: 80vh;
    }


    .card-footer {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-btn {
        width: 100%;
    }
}