:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #f9fbfd;
  --text: #172033;
  --muted: #667085;
  --border: #e3e8ef;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --success: #16803c;
  --success-soft: #edf9f0;
  --warning: #b54708;
  --warning-soft: #fff7ed;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --shadow: 0 18px 50px rgba(22, 34, 51, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(227,232,239,.9);
  backdrop-filter: blur(16px);
}
.topbar-inner { min-height: 72px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary); color: #fff; font-weight: 800; font-size: 21px;
}
.brand-copy { display: grid; }
.brand-copy strong { font-size: 15px; }
.brand-copy small { color: var(--muted); font-size: 11px; margin-top: -1px; }
.nav-links { display: flex; gap: 24px; font-size: 13px; color: #475467; }
.nav-links a:hover { color: var(--primary); }
.local-badge {
  padding: 8px 11px; background: var(--success-soft); color: var(--success); border: 1px solid #ccebd5;
  border-radius: 999px; font-weight: 600; font-size: 12px;
}

.hero { padding: 72px 0 48px; display: grid; grid-template-columns: 1.35fr .85fr; gap: 52px; align-items: end; }
.eyebrow { display: inline-block; font-size: 11px; letter-spacing: .14em; font-weight: 800; color: var(--primary); }
.hero h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.04; letter-spacing: -.045em; margin: 14px 0 20px; max-width: 840px; }
.hero-copy > p { color: #566176; font-size: 17px; max-width: 720px; margin: 0; }
.hero-points { margin-top: 24px; display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; font-weight: 600; color: #344054; }
.hero-note {
  display: flex; gap: 14px; padding: 20px; border: 1px solid #f3d7b4; background: var(--warning-soft); border-radius: 16px;
  color: #7a4213;
}
.note-icon { flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 1px solid #f0cfaa; font-weight: 800; }
.hero-note strong { color: #6d3710; }
.hero-note p { margin: 4px 0 0; font-size: 13px; }

.tool-section { padding: 12px 0 86px; }
.mode-tabs { width: fit-content; padding: 5px; background: #eaf0f7; border-radius: 12px; display: flex; margin-bottom: 16px; }
.mode-tab { border: 0; background: transparent; color: #667085; padding: 10px 16px; border-radius: 9px; font-weight: 700; font-size: 13px; }
.mode-tab.active { background: #fff; color: var(--text); box-shadow: 0 2px 8px rgba(17,24,39,.08); }
.workspace { display: grid; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: 0 1px 2px rgba(16,24,40,.02); }
.upload-card { box-shadow: var(--shadow); }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.section-heading > div:first-child { display: flex; align-items: center; gap: 10px; }
.section-heading h2 { font-size: 19px; margin: 0; letter-spacing: -.02em; }
.step-number { color: var(--primary); font-weight: 800; font-size: 12px; padding: 5px 7px; background: var(--primary-soft); border-radius: 7px; }
.muted { color: var(--muted); font-size: 12px; }
.section-intro { margin: -4px 0 22px; color: var(--muted); font-size: 13px; max-width: 850px; }

.drop-zone {
  min-height: 270px; border: 1.5px dashed #bcc7d6; background: var(--surface-soft); border-radius: 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 30px;
  transition: .2s ease;
}
.drop-zone:hover, .drop-zone.dragging { border-color: var(--primary); background: #f5f9ff; }
.drop-zone input { display: none; }
.upload-icon { width: 58px; height: 58px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 16px; margin-bottom: 16px; }
.drop-zone strong { font-size: 16px; }
.drop-zone span { font-size: 13px; color: var(--muted); margin-top: 3px; }
.drop-zone small { font-size: 11px; color: #98a2b3; margin-top: 13px; max-width: 580px; }
.file-summary { display: flex; gap: 14px; align-items: center; padding: 14px 16px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface-soft); }
.file-type-icon { width: 46px; height: 46px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); border-radius: 12px; font-size: 11px; font-weight: 800; }
.file-summary-copy { display: grid; min-width: 0; flex: 1; }
.file-summary-copy strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-summary-copy span { color: var(--muted); font-size: 12px; margin-top: 3px; }

.status-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.status-box { padding: 16px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface-soft); display: grid; }
.status-box span { font-size: 12px; color: var(--muted); }
.status-box strong { font-size: 28px; margin: 4px 0 1px; letter-spacing: -.04em; }
.status-box small { color: #98a2b3; font-size: 10px; }
.scan-message { margin: 16px 0; padding: 11px 13px; border-radius: 10px; background: #f8fafc; color: #475467; font-size: 12px; border: 1px solid var(--border); }
.scan-message.warning { background: var(--warning-soft); color: #7a4213; border-color: #f3d7b4; }
.scan-message.success { background: var(--success-soft); color: #176b36; border-color: #ccebd5; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
.metadata-table { width: 100%; border-collapse: collapse; min-width: 780px; font-size: 12px; }
.metadata-table th, .metadata-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.metadata-table th { background: #f8fafc; color: #667085; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.metadata-table tbody tr:last-child td { border-bottom: 0; }
.metadata-table .tag { display: inline-flex; padding: 4px 8px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.tag.privacy { background: var(--danger-soft); color: var(--danger); }
.tag.c2pa { background: #f4f3ff; color: #5925dc; }
.tag.ai { background: var(--warning-soft); color: var(--warning); }
.tag.structural { background: #f2f4f7; color: #475467; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--danger); }
.status-pill.info .status-dot { background: #667085; }
.raw-details { margin-top: 14px; }
.raw-details summary { cursor: pointer; color: #475467; font-size: 12px; font-weight: 600; }
.raw-details pre { max-height: 280px; overflow: auto; background: #101828; color: #d0d5dd; border-radius: 12px; padding: 15px; font-size: 10px; line-height: 1.6; white-space: pre-wrap; }

.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.method-option { display: flex; gap: 12px; padding: 17px; border: 1px solid var(--border); border-radius: 14px; cursor: pointer; transition: .16s ease; }
.method-option:has(input:checked) { border-color: #7ca7f8; background: #f7faff; box-shadow: inset 0 0 0 1px #c5d8fb; }
.method-option input { margin-top: 4px; accent-color: var(--primary); }
.method-option p { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.method-title-row { display: flex; align-items: center; gap: 8px; }
.recommended { padding: 4px 7px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-size: 9px; font-weight: 800; }
.options-row { display: flex; gap: 14px; margin-top: 16px; flex-wrap: wrap; }
.options-row label { display: grid; gap: 7px; color: #475467; font-size: 11px; font-weight: 700; }
.options-row select { min-width: 160px; }
.options-row select, .form-grid input, .form-grid textarea {
  border: 1px solid #d0d5dd; background: #fff; color: var(--text); border-radius: 10px; padding: 11px 12px; outline: none;
}
.options-row select:focus, .form-grid input:focus, .form-grid textarea:focus { border-color: #84adf8; box-shadow: 0 0 0 3px #eff6ff; }
#qualityField { min-width: 240px; }
#qualityField input { width: 220px; accent-color: var(--primary); }
.action-row { margin-top: 20px; display: flex; align-items: center; gap: 14px; }
.primary-button, .secondary-button, .text-button { border-radius: 10px; font-weight: 700; font-size: 12px; }
.primary-button { border: 1px solid var(--primary); background: var(--primary); color: #fff; padding: 11px 16px; box-shadow: 0 2px 5px rgba(37,99,235,.18); }
.primary-button:hover { background: var(--primary-dark); }
.primary-button:disabled { opacity: .5; cursor: not-allowed; }
.secondary-button { border: 1px solid #d0d5dd; background: #fff; color: #344054; padding: 9px 12px; }
.secondary-button:hover { background: #f8fafc; }
.text-button { border: 0; background: transparent; color: var(--primary); padding: 8px; }
.progress-panel { margin-top: 18px; padding: 15px; border-radius: 12px; background: #f8fafc; border: 1px solid var(--border); }
.progress-top { display: flex; justify-content: space-between; font-size: 12px; }
.progress-track { height: 8px; background: #e8edf4; border-radius: 999px; overflow: hidden; margin: 10px 0 8px; }
.progress-track span { display: block; width: 0%; height: 100%; background: var(--primary); transition: width .2s ease; }
.progress-panel p { margin: 0; color: var(--muted); font-size: 11px; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid label { display: grid; gap: 7px; font-size: 11px; font-weight: 700; color: #475467; }
.form-grid .full-width { grid-column: 1 / -1; }
.form-grid textarea { resize: vertical; }

.result-card { border-color: #ccebd5; background: linear-gradient(180deg, #fff 0%, #fbfffc 100%); }
.result-head { display: flex; gap: 16px; align-items: flex-start; }
.result-head h2 { margin: 4px 0 3px; font-size: 22px; letter-spacing: -.025em; }
.result-head p { margin: 0; color: var(--muted); font-size: 13px; }
.result-icon { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; flex: 0 0 46px; font-size: 20px; font-weight: 900; }
.result-icon.success { color: var(--success); background: var(--success-soft); border: 1px solid #bfe4ca; }
.result-icon.warning { color: var(--warning); background: var(--warning-soft); border: 1px solid #f3d7b4; }
.comparison-grid { margin-top: 22px; display: grid; grid-template-columns: 1fr 50px 1fr; align-items: center; max-width: 620px; }
.comparison-card { padding: 16px; border: 1px solid var(--border); border-radius: 13px; background: #fff; display: grid; }
.comparison-card.after { border-color: #ccebd5; background: var(--success-soft); }
.comparison-card span { color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.comparison-card strong { font-size: 30px; letter-spacing: -.04em; }
.comparison-card small { color: var(--muted); font-size: 10px; }
.comparison-arrow { text-align: center; color: #98a2b3; font-size: 20px; }
.verification-warnings { margin-top: 16px; padding: 13px; background: var(--warning-soft); border: 1px solid #f3d7b4; border-radius: 11px; color: #7a4213; font-size: 12px; }
.verification-warnings ul { margin: 7px 0 0 18px; padding: 0; }
.download-row { margin-top: 22px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.info-section { padding: 76px 0; }
.section-title-block { max-width: 650px; margin-bottom: 28px; }
.section-title-block h2 { font-size: 34px; line-height: 1.15; letter-spacing: -.035em; margin: 8px 0 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-grid article { padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 16px; }
.feature-number { display: grid; place-items: center; width: 34px; height: 34px; background: var(--primary-soft); color: var(--primary); border-radius: 10px; font-weight: 800; font-size: 12px; }
.feature-grid h3 { margin: 16px 0 7px; }
.feature-grid p { color: var(--muted); font-size: 13px; margin: 0; }
.privacy-section { background: #eef4fb; border-top: 1px solid #dfe7f1; border-bottom: 1px solid #dfe7f1; }
.privacy-inner { padding: 54px 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.privacy-inner h2 { margin: 7px 0 0; font-size: 30px; letter-spacing: -.03em; }
.privacy-inner p { margin: 0; color: #536174; font-size: 14px; }
footer { background: #fff; }
.footer-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; color: #667085; font-size: 11px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 24px; padding-top: 48px; }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .privacy-inner { grid-template-columns: 1fr; gap: 16px; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 1160px); }
  .topbar-inner { min-height: 64px; }
  .local-badge { display: none; }
  .hero { padding-top: 38px; }
  .hero h1 { font-size: 39px; }
  .hero-copy > p { font-size: 15px; }
  .hero-points { display: grid; gap: 8px; }
  .card { padding: 18px; border-radius: 15px; }
  .section-heading { align-items: flex-start; }
  .section-heading > .muted { text-align: right; }
  .drop-zone { min-height: 230px; }
  .status-grid, .method-grid, .form-grid { grid-template-columns: 1fr; }
  .form-grid .full-width { grid-column: auto; }
  .comparison-grid { grid-template-columns: 1fr; gap: 8px; }
  .comparison-arrow { transform: rotate(90deg); }
  .download-row { align-items: stretch; }
  .download-row button { width: 100%; }
  .footer-inner { padding: 20px 0; display: grid; gap: 6px; }
}

/* V3 navigation, content pages and AdSense-ready information architecture */
.nav-links a.active { color: var(--primary); font-weight: 700; }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { list-style: none; cursor: pointer; border: 1px solid #d0d5dd; background: #fff; color: #344054; border-radius: 10px; padding: 8px 11px; font-size: 12px; font-weight: 700; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav-panel { position: absolute; top: 44px; right: 0; width: 210px; padding: 8px; background: #fff; border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); display: grid; gap: 2px; z-index: 50; }
.mobile-nav-panel a { padding: 10px 11px; border-radius: 8px; font-size: 12px; color: #344054; }
.mobile-nav-panel a:hover { background: var(--primary-soft); color: var(--primary); }
.file-summary-actions { display: flex; gap: 2px; align-items: center; }
.danger-text { color: var(--danger); }
.danger-text:hover { background: var(--danger-soft); }
.seo-action-bar { margin-top: 20px; padding: 16px; border: 1px solid #c9dcff; background: #f7faff; border-radius: 13px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.seo-action-bar > div { display: grid; gap: 3px; }
.seo-action-bar strong { font-size: 13px; }
.seo-action-bar span { color: var(--muted); font-size: 11px; }
.compact-info { padding-top: 8px; }
.service-link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.service-link-card { display: flex; gap: 14px; align-items: flex-start; padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 15px; transition: .18s ease; }
.service-link-card:hover { border-color: #b7ccf8; box-shadow: 0 10px 26px rgba(22,34,51,.06); transform: translateY(-1px); }
.service-link-card strong { display: block; margin-bottom: 4px; }
.service-link-card p { margin: 0; color: var(--muted); font-size: 12px; }
.service-icon { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-size: 10px; font-weight: 800; }

.site-footer { margin-top: 0; background: #fff; border-top: 1px solid var(--border); }
.footer-grid { padding: 46px 0 34px; display: grid; grid-template-columns: 1.7fr repeat(3, .8fr); gap: 42px; }
.footer-brand p { color: var(--muted); font-size: 12px; max-width: 360px; margin: 16px 0 0; }
.footer-column { display: grid; align-content: start; gap: 9px; }
.footer-column strong { font-size: 12px; color: #344054; margin-bottom: 3px; }
.footer-column a { color: #667085; font-size: 11px; }
.footer-column a:hover { color: var(--primary); }
.footer-bottom { min-height: 60px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #98a2b3; font-size: 10px; }

.page-hero { padding: 76px 0 42px; max-width: 1160px; }
.page-hero h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.06; letter-spacing: -.045em; max-width: 850px; margin: 13px 0 17px; }
.page-hero > p { max-width: 760px; color: #5d687b; font-size: 16px; margin: 0; }
.page-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.inline-button { display: inline-flex; align-items: center; justify-content: center; width: fit-content; }
.content-section { padding: 24px 0 62px; }
.content-section.pt-small { padding-top: 0; }
.content-grid { display: grid; gap: 16px; }
.content-grid.two-col { grid-template-columns: repeat(2, 1fr); }
.content-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 25px; }
.content-card h2 { margin: 0 0 12px; font-size: 22px; letter-spacing: -.025em; }
.content-card p { color: #667085; font-size: 13px; margin: 0 0 13px; }
.content-card p:last-child { margin-bottom: 0; }
.content-card a:not(.primary-button):not(.secondary-button) { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.notice-section { margin-bottom: 72px; padding: 20px 22px; background: var(--warning-soft); border: 1px solid #f3d7b4; border-radius: 15px; color: #7a4213; }
.notice-section strong { display: block; margin-bottom: 5px; }
.notice-section p { margin: 0; font-size: 13px; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.contact-card { padding: 23px; background: #fff; border: 1px solid var(--border); border-radius: 16px; display: grid; gap: 5px; transition: .18s ease; }
.contact-card:hover { border-color: #b7ccf8; box-shadow: 0 10px 26px rgba(22,34,51,.06); }
.contact-label { color: var(--primary); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.contact-card strong { font-size: 18px; word-break: break-word; }
.contact-card p { margin: 0; color: var(--muted); font-size: 12px; }
.policy-hero { padding-bottom: 26px; }
.policy-hero h1 { font-size: clamp(34px, 4vw, 50px); }
.policy-hero > p { font-size: 12px; }
.policy-page { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 34px; margin-bottom: 72px; max-width: 920px; }
.policy-page h2 { font-size: 18px; margin: 26px 0 8px; letter-spacing: -.015em; }
.policy-page h2:first-child { margin-top: 0; }
.policy-page p { color: #5f6b7d; font-size: 13px; margin: 0 0 12px; }
.policy-page a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .mobile-nav { display: block; }
  .local-badge { margin-left: 0; }
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); gap: 24px; }
}
@media (max-width: 760px) {
  .local-badge { display: none; }
  .seo-action-bar { align-items: stretch; flex-direction: column; }
  .seo-action-bar .primary-button { width: 100%; }
  .service-link-grid, .content-grid.two-col, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { padding: 18px 0; display: grid; gap: 5px; }
  .page-hero { padding-top: 48px; }
  .page-hero > p { font-size: 14px; }
  .policy-page { padding: 22px; margin-bottom: 48px; }
}
@media (max-width: 480px) {
  .brand-copy small { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-brand { grid-column: auto; }
  .file-summary { align-items: flex-start; }
  .file-summary-actions { flex-direction: column; align-items: flex-end; }
}