/* FitInView 3D — Minimal styles */
:root {
    --green: #2d5016;
    --green-light: #4a8c2a;
    --green-bg: #f3f7f0;
    --text: #1a1a1a;
    --text-secondary: #666;
    --bg: #fafaf8;
    --card: #fff;
    --border: #e0e0d8;
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

/* Header */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--green);
    font-size: 1.1rem;
}

.logo strong { font-weight: 700; }

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--green); }

/* Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    padding: 80px 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-text { max-width: 480px; }

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.accent { color: var(--green); }

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 28px;
}

.price-note {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.hero-visual {
    flex-shrink: 0;
}

.demo-cube {
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--green);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
.cta-btn:hover { background: var(--green-light); }
.cta-btn:active { transform: scale(0.98); }

/* How it works */
.how-it-works {
    padding: 60px 24px;
    background: var(--green-bg);
    text-align: center;
}

.how-it-works h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.steps {
    display: flex;
    gap: 32px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    background: var(--card);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
}

.step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--green);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Showcase */
.showcase {
    padding: 60px 24px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.showcase h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.showcase-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-style: italic;
}

.showcase-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: flex-start;
}

.showcase-item {
    flex: 1;
    max-width: 420px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.showcase-item h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.showcase-img {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    border-radius: 8px;
}

.showcase-viewer {
    border-radius: 8px;
    overflow: hidden;
}

.showcase-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

.showcase-versions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
    align-items: center;
}

.showcase-tag {
    padding: 6px 14px;
    background: var(--green-bg);
    border: 1px solid var(--green);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--green);
}

.showcase-tag-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .showcase-grid { flex-direction: column; align-items: center; }
    .showcase-item { max-width: 100%; }
}

/* Order form */
.order-section {
    padding: 60px 24px;
    max-width: 560px;
    margin: 0 auto;
}

.order-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 32px;
    text-align: center;
}

.order-form {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.optional {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.form-group textarea,
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg);
    transition: border-color 0.2s;
}

.form-group textarea:focus,
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green);
}

.char-count {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Upload area */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area:hover, .upload-area.drag-over {
    border-color: var(--green);
    background: var(--green-bg);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-preview {
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    object-fit: contain;
}

.remove-img {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Preview */
.preview-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: transparent;
    color: var(--green);
    border: 1px solid var(--green);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.preview-btn:hover { background: var(--green-bg); }
.preview-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.preview-area {
    margin-top: 12px;
    text-align: center;
}

.preview-image {
    max-width: 100%;
    max-height: 360px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.preview-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.preview-loading {
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.preview-loading:not([hidden]) {
    display: flex;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.form-row {
    display: flex;
    gap: 16px;
}

.currency-group { flex: 1; }

.submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
.submit-btn:hover { background: var(--green-light); }
.submit-btn:active { transform: scale(0.98); }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Formats */
.formats {
    padding: 60px 24px;
    text-align: center;
}

.formats h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 32px;
}

.format-grid {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 600px;
    margin: 0 auto;
}

.format-card {
    padding: 12px 24px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

/* FAQ */
.faq {
    padding: 60px 24px;
    max-width: 700px;
    margin: 0 auto;
}

.faq h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.faq-item summary {
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: '-';
}

.faq-item p {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Status page */
.status-page {
    padding: 60px 24px;
    display: flex;
    justify-content: center;
}

.status-card {
    max-width: 560px;
    width: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
}

.status-card h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.order-desc {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.progress-area {
    padding: 32px 0;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--green);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.status-msg {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.ref-image-area {
    margin: 20px 0;
}

.ref-image-area h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.ref-image {
    max-width: 200px;
    border-radius: 8px;
}

.completed-area, .failed-area {
    padding: 20px 0;
}

.success-icon, .fail-icon {
    margin-bottom: 16px;
}

.completed-area h2, .failed-area h2 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.model-preview {
    margin: 20px 0;
    position: relative;
}

.fullscreen-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.9);
    border: 1px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: background 0.2s;
}
.fullscreen-btn:hover { background: #fff; }

.open-viewer-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}
.open-viewer-link:hover { color: var(--green); }

model-viewer:fullscreen {
    background: #f9f9f6;
}

.btn-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 16px 0;
}

.download-btn {
}

.viewer-btn {
    background: transparent;
    color: var(--green);
    border: 2px solid var(--green);
}
.viewer-btn:hover { background: var(--green-bg); }

.download-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* Version downloads */
.version-downloads {
    margin: 24px 0 0;
    text-align: left;
}

.version-downloads h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.version-intro {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.version-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.version-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.2s, background 0.2s;
}

.version-card:hover {
    border-color: var(--green);
    background: var(--green-bg);
}

.version-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-bg);
    border-radius: 8px;
    color: var(--green);
}

.version-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.version-info strong {
    font-size: 0.9rem;
    font-weight: 600;
}

.version-use {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.version-actions {
    flex-shrink: 0;
    display: flex;
    gap: 6px;
}

.version-action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: var(--green);
    background: var(--green-bg);
    text-decoration: none;
    transition: background 0.2s;
}

.version-action-btn:hover {
    background: var(--green);
    color: #fff;
}

/* Legal pages */
.legal {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 24px;
}

.legal h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.legal h2 {
    font-size: 1.2rem;
    margin-top: 28px;
    margin-bottom: 8px;
}

.legal p, .legal li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.legal ul {
    padding-left: 20px;
}

.legal a {
    color: var(--green);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 20px 24px;
    background: var(--card);
    margin-top: auto;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-inner p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
}
.footer-links a:hover { color: var(--green); }

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 32px;
        padding: 48px 20px;
    }
    .hero h1 { font-size: 2rem; }
    .hero-visual { display: none; }
    .steps { flex-direction: column; align-items: center; }
    .order-form { padding: 24px 20px; }
    .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}