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

/* Desktop/mobile visibility helpers (no longer needed for apple-field) */
.desktop-only { display: block; }
.mobile-only { display: none; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: #ffffff;
    color: #000000;
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    z-index: 1000;
    border-bottom: 1px solid #e0e0e0;
}

.logo {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.5;
}

nav a {
    margin-left: 2.5rem;
    text-decoration: none;
    color: #000000;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: opacity 0.3s ease;
}

nav a:hover {
    opacity: 0.5;
}

main {
    margin-top: 100px;
    min-height: calc(100vh - 100px);
}

.page {
    display: none;
    animation: fadeIn 0.6s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Home Page */
.home-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding:1rem 1rem;
    min-height: auto;
}

.home-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 3rem;
    text-align: center;
}

.hero-image {
    width: 100%;
    max-width: 700px;
    aspect-ratio: 16/9;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #d0d0d0;
    letter-spacing: 1px;
}

/* === Mobile Visibility Helpers === */
@media (max-width: 768px) {
  .desktop-only { display: none; }
  .mobile-only { display: block; }
}

/* Apple field responsive sizing for mobile */
@media (max-width: 768px) {
  .apple-field {
    height: calc(100vh - 56px);
    margin-top: 56px;
  }
}


.mobile-hero{
    width: min(420px, 90vw);
    display: block;
    margin: 2rem auto;
    object-fit: contain;
}

/* The big rectangle window */
.apple-field{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Canvas for pixel effect */
#pixelCanvas {
    display: block;
    cursor: crosshair;
    touch-action: none;
}

/* Info Page */
.info-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.info-section {
    margin-bottom: 4rem;
}

.info-section h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.info-section p {
    margin-bottom: 1.5rem;
    color: #333;
    font-size: 1.05rem;
    line-height: 1.8;
}

.contact-info {
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
}

.contact-info p {
    margin-bottom: 0.8rem;
}

.contact-info a {
    color: #000000;
    text-decoration: none;
    border-bottom: 1px solid #000000;
    transition: opacity 0.3s ease;
}

.contact-info a:hover {
    opacity: 0.5;
}

/* Gallery Page */
.gallery-container {
    padding: 4rem;
}

.gallery-filter {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    justify-content: flex-start;
}

.gallery-filter select {
    padding: 0.4rem 1.5rem 0.4rem 0;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23666666' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right center;
}

.gallery-filter select:hover {
    color: #000000;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23000000' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
}

.gallery-filter select:focus {
    outline: none;
    color: #000000;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23000000' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
}

.gallery-grid {
    column-count: 2;
    column-gap: 3rem;
}

.gallery-item {
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
    break-inside: avoid;
    margin-bottom: 3rem;
    display: inline-block;
    width: 100%;
}

.gallery-item:hover {
    opacity: 0.7;
}

.gallery-item.hidden {
    display: none;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 1rem;
}

.gallery-image {
    width: 100%;
    aspect-ratio: 3/4;
    background: #f5f5f5;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #d0d0d0;
}

.gallery-title {
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.3px;
}

/* Artwork Detail Page */
.artwork-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.back-button {
    display: inline-block;
    margin-bottom: 3rem;
    color: #000000;
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.back-button:hover {
    opacity: 0.5;
}

.artwork-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.main-artwork-image {
    width: 100%;
    aspect-ratio: 3/4;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #d0d0d0;
}

.artwork-info h1 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.artist-name {
    font-size: 1.1rem;
    color: #666;
    font-style: italic;
    margin-bottom: 1.5rem;
    letter-spacing: 0.3px;
}

.artwork-meta {
    color: #666;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.artwork-description {
    color: #333;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.additional-images {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid #e0e0e0;
}

.additional-images h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.additional-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.additional-image {
    width: 100%;
    aspect-ratio: 1;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #d0d0d0;
}

/* Registry Page */
.registry-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.registry-container h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.registry-intro {
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e0e0e0;
    background: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000000;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.optional {
    color: #999;
    font-size: 0.85rem;
    font-weight: 300;
}

.submit-button {
    background: #000000;
    color: #ffffff;
    border: none;
    padding: 1rem 3rem;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: opacity 0.3s ease;
    font-family: inherit;
}

.submit-button:hover {
    opacity: 0.7;
}

.submit-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.success-message {
    display: none;
    padding: 1.5rem;
    background: #f0f9f0;
    border: 1px solid #c3e6c3;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.success-message.show {
    display: block;
}

.collector-list {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid #e0e0e0;
}

.collector-list h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.collector-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.collector-item:last-child {
    border-bottom: none;
}

.collector-name {
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.collector-details {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Footer */
footer {
    border-top: 1px solid #e0e0e0;
    padding: 3rem 4rem;
    margin-top: 6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 0.85rem;
    color: #666;
    letter-spacing: 0.3px;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-social span {
    font-size: 0.85rem;
    color: #666;
    letter-spacing: 0.3px;
}

.footer-social a {
    color: #000000;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    transition: opacity 0.3s ease;
    border-bottom: 1px solid #000000;
    padding-bottom: 1px;
}

.footer-social a:hover {
    opacity: 0.5;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-icon {
    height: 60px;
    width: 60px;
    object-fit: contain;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        padding: 1.5rem 2rem;
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        margin-top: 1rem;
    }

    nav a {
        margin-left: 0;
        margin-right: 2rem;
    }

    main {
        margin-top: 140px;
    }

    .home-title {
        font-size: 2rem;
    }

    .gallery-container {
        padding: 2rem;
    }

    .gallery-grid {
        column-count: 1;
        gap: 2rem;
    }

    .artwork-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .additional-grid {
        grid-template-columns: 1fr;
    }

    footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 2rem;
    }

    /* hide the interactive field on mobile */
    .desktop-only { display: none; }
    .mobile-only { display: block; }
}