@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=DM+Serif+Display:ital@0;1&display=swap');

:root{--bg:#f6f5ee;--surface:#fffefa;--text:#253e35;--muted:#647169;--green:#294f3d;--accent:#294f3d;--border:#dcded3;--red:#a14435;--amber:#866024;--serif:'DM Serif Display',Georgia,serif;--sans:'DM Sans',Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
a{color:inherit;text-underline-offset:4px}
button:focus-visible,a:focus-visible,select:focus-visible,[tabindex]:focus-visible,summary:focus-visible{outline:3px solid #bd683f;outline-offset:5px}
button:disabled{cursor:not-allowed}
svg{display:block;flex-shrink:0}
h1,h2,h3,h4,p{margin:0}
.shell{max-width:1240px;margin:0 auto;padding:0 48px}
.skip-link{position:absolute;left:16px;top:-80px;z-index:20;padding:12px 20px;background:var(--green);color:#fff}
.skip-link:focus{top:12px}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:108px;border-bottom:1px solid var(--border)}
.wordmark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-size:32px;letter-spacing:-1.4px;line-height:1}
.brand-symbol{width:29px;height:29px}
.header-links{display:flex;align-items:center;gap:32px;font-size:13px;font-weight:550}
.header-links a{text-decoration:none}
.header-links a:hover{text-decoration:underline}
.header-links .studio-link{border:1px solid #a9b3a7;border-radius:5px;padding:9px 16px;display:flex;gap:16px;align-items:center}
.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:44px;padding:75px 0 70px}
.eyebrow{display:flex;align-items:center;gap:9px;font-size:10px;font-weight:700;letter-spacing:1.7px;text-transform:uppercase}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:#a86e47;flex:none}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(54px,5.65vw,76px);line-height:1.05;letter-spacing:-2.3px;margin:24px 0}
h1 em{font-weight:400;color:#72815b}
.hero-description{max-width:380px;color:var(--muted);font-size:16px;line-height:1.8}
.hero-actions{display:flex;align-items:center;gap:24px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:13px 22px;border:1px solid transparent;border-radius:5px;font-weight:550;font-size:13px;text-decoration:none;transition:background .18s,border-color .18s,transform .18s}
.btn-primary{background:var(--green);color:#fffefa}
.btn-primary:hover{background:#1c3e2e;transform:translateY(-1px)}
.btn-primary:disabled{background:#d5dbce;color:#64715e;transform:none}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--border)}
.btn-secondary:hover{border-color:var(--green);background:#f1f3e9}
.btn-sm{padding:9px 13px;font-size:12px}
.text-link{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:13px;font-weight:600}
.text-link:hover{text-decoration:underline}
.private-note{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px;margin-top:18px}
.private-note svg{width:12px;height:12px}
.hero-visual{position:relative;padding:20px 0 25px 7px;min-width:0}
.photo-back{position:absolute;inset:17px 0 23px 5px;border:1px solid #d5d7ca;background:#e9ebdf;transform:rotate(4deg);border-radius:3px}
.photo-card{position:relative;margin:0;background:var(--surface);padding:11px;border:1px solid #dddfd3;border-radius:3px;transform:rotate(-2deg);box-shadow:0 12px 35px #253e3510}
.photo-window{position:relative;aspect-ratio:1.22;overflow:hidden;background:#d7dfd0}
.hero-photo{display:block;width:100%;height:100%;object-fit:cover;object-position:53% center}
.photo-window::after{content:'';position:absolute;inset:15px;border:1px solid #ffffff55;pointer-events:none}
.photo-label{position:absolute;top:28px;left:28px;color:white;font-size:9px;letter-spacing:1.3px;text-shadow:0 1px 6px #0008;text-transform:uppercase;z-index:1}
.photo-caption{display:flex;justify-content:space-between;gap:12px;font-size:9px;letter-spacing:1.1px;text-transform:uppercase;padding:14px 3px 3px;color:var(--muted)}
.reference-tag{position:absolute;left:-22px;bottom:60px;background:var(--surface);border:1px solid var(--border);padding:15px 21px;box-shadow:0 6px 25px #253e3510;display:flex;align-items:center;gap:13px;transform:rotate(1deg);border-radius:3px}
.reference-symbol{display:grid;place-items:center;width:34px;height:34px;border:1px solid #aab5a1;border-radius:50%}
.reference-tag strong{display:block;font-size:12px;font-weight:550;line-height:1.5}
.reference-tag small{display:block;color:var(--muted);font-size:9px;letter-spacing:1px;text-transform:uppercase}
.feature-strip{display:flex;justify-content:space-between;gap:20px;padding:22px 0;border-block:1px solid var(--border);font-size:12px;color:var(--muted)}
.feature-strip span{display:flex;align-items:center;gap:10px}
.feature-strip svg{width:17px;height:17px;color:var(--green)}
.workspace{padding:76px 0 72px;scroll-margin-top:12px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:26px}
.section-heading h2,.how-heading h2,.faq-intro h2{font-family:var(--serif);font-weight:400;font-size:36px;letter-spacing:-.8px;line-height:1.2}
.section-heading p{font-size:13px;color:var(--muted);margin-top:8px}
.section-note{font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);white-space:nowrap;padding-bottom:5px}
.tool{border:1px solid var(--border);border-radius:9px;background:var(--surface);overflow:hidden;box-shadow:0 5px 15px #253e3503}
.mode-tabs{display:flex;background:#eceee5;border-bottom:1px solid var(--border);padding:8px;gap:6px}
.mode-tab{flex:1;border:0;background:transparent;border-radius:5px;min-height:49px;color:var(--muted);font-size:13px;font-weight:550;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .18s,color .18s}
.mode-tab svg{width:17px;height:17px}
.mode-tab.active{color:var(--surface);background:var(--green);box-shadow:0 2px 4px #253e350e}
.mode-tab:not(.active):hover{background:#e1e5d8;color:var(--green)}
.panel{display:none;padding:32px}
.panel.active{display:block}
.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:24px}
.panel-heading h3{font-size:19px;letter-spacing:-.4px;font-weight:550;margin-bottom:4px}
.panel-heading p{font-size:12px;color:var(--muted);max-width:640px}
.step-label{font-family:var(--serif);font-size:34px;color:#bbc3b2;line-height:1.1}
.upload-zone{border:1px dashed #b6c1aa;border-radius:6px;padding:30px 24px;text-align:center;cursor:pointer;background:#f7f8f1;transition:background .18s,border-color .18s;min-width:0}
.upload-zone[aria-disabled="true"]{cursor:wait;opacity:.65}
.upload-zone:hover,.upload-zone.dragover{background:#edf1e3;border-color:var(--green)}
.upload-icon{width:40px;height:40px;border-radius:50%;border:1px solid #dde3d1;margin:0 auto 14px;display:grid;place-items:center;background:var(--surface)}
.upload-icon svg{width:20px;height:20px}
.upload-zone h4{font-weight:500;font-size:15px;margin-bottom:4px}
.upload-zone p{color:var(--muted);font-size:11px}
.choose-file{display:inline-block;font-size:12px;font-weight:550;margin-top:17px;padding:7px 15px;border:1px solid #c9d0bf;border-radius:4px;background:var(--surface)}
.upload-zone input[type=file]{display:none}
.file-preview{display:none;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px;border-top:1px solid var(--border);padding-top:13px;line-height:1.5}
.file-preview.visible{display:flex}
.file-preview .name{font-size:13px;font-weight:600;overflow-wrap:anywhere;max-width:100%}
.file-preview .size{font-size:11px;color:var(--muted)}
.action-row{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:22px}
.action-hint{font-size:11px;color:var(--muted);max-width:480px}
.two-col,.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.field-label{display:block;font-size:12px;font-weight:600;margin-bottom:10px}
.anchor-select{width:100%;padding:12px 10px;border:1px solid var(--border);border-radius:5px;background:var(--surface);color:var(--text);font-size:12px;min-width:0;text-overflow:ellipsis}
.or-divider{text-align:center;font-size:10px;color:var(--muted);margin:13px 0}
.upload-zone.compact{padding:18px}
.notice{display:none;margin-top:20px;padding:12px 16px;background:#faeee9;color:var(--red);border:1px solid #e7c4b9;border-radius:5px;font-size:13px;overflow-wrap:anywhere}
.notice.visible{display:block}
.progress-wrap{display:none;margin-top:22px}
.progress-wrap.visible{display:block}
.progress-bar{height:3px;overflow:hidden;background:#e4e9dc;border-radius:2px}
.progress-fill{height:100%;width:100%;background:var(--green);transform-origin:left}
.progress-fill.working{animation:working 1.5s ease-in-out infinite}
@keyframes working{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.progress-status{font-size:12px;color:var(--muted);margin-top:8px}
.result{display:none;margin-top:28px;border-top:1px solid var(--border);padding-top:26px}
.result.visible{display:block}
.result-banner{display:flex;align-items:center;gap:14px;padding:18px 20px;border:1px solid var(--border);border-radius:5px;margin-bottom:20px}
.result-banner.anchored,.result-banner.authentic{background:#edf2e6;border-color:#cfdac2}
.result-banner.partial{background:#faf1df;border-color:#e3d1ab}
.result-banner.tampered{background:#faeee9;border-color:#e4c8bc}
.result-icon{font-family:var(--serif);font-size:24px}
.result-title{font-size:18px;font-weight:550}
.result-subtitle{font-size:12px;color:var(--muted);margin-top:3px;overflow-wrap:anywhere}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:10px;margin-bottom:18px}
.stat-card{border:1px solid var(--border);border-radius:4px;padding:13px;min-width:0}
.stat-card .value{font-size:16px;font-weight:550;overflow-wrap:anywhere}
.stat-card .label{font-size:9px;letter-spacing:.7px;text-transform:uppercase;color:var(--muted);margin-top:5px}
.result-note{font-size:12px;color:var(--muted);margin-bottom:16px}
.result-actions{display:flex;gap:8px;flex-wrap:wrap}
.result details{margin-top:20px}
summary{cursor:pointer;font-size:12px;font-weight:550}
.anchor-json{background:#f0f2e9;border:1px solid var(--border);border-radius:5px;padding:16px;font-family:monospace;font-size:11px;overflow:auto;max-height:280px;white-space:pre;margin-top:12px}
.timeline-section{margin-top:20px}
.timeline-section h4,.tampered-list h4{font-size:12px;font-weight:550;margin-bottom:10px}
.timeline{display:flex;gap:3px;height:22px}
.chunk{flex:1;min-width:1px;position:relative;background:#c4cabc;border-radius:2px}
.chunk.ok{background:var(--green)}
.chunk.tampered{background:var(--red)}
.chunk-tooltip{display:none}
.timeline-legend{font-size:10px;color:var(--muted);margin-top:8px}
.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;background:var(--green)}
.tampered-item{display:flex;flex-wrap:wrap;gap:10px;padding:10px 12px;background:#faeee9;border:1px solid #e4c8bc;border-radius:4px;margin-top:8px;font-size:12px}
.tampered-item .badge{color:var(--red);font-weight:600}
.tool-footnote{font-size:11px;color:var(--muted);text-align:center;margin-top:15px}
.how-section{padding:55px 0 65px;border-top:1px solid var(--border)}
.how-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:34px}
.how-heading .eyebrow{font-size:9px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.step{border-top:1px solid #cbd1c1;padding-top:20px}
.step-number{font-size:10px;letter-spacing:1.2px;color:#756249}
.step h3{font-family:var(--serif);font-size:24px;font-weight:400;margin:12px 0 8px;letter-spacing:-.2px}
.step p{font-size:12px;color:var(--muted);line-height:1.8;max-width:300px}
.faq{border-top:1px solid var(--border);padding:60px 0 68px;display:grid;grid-template-columns:1fr 1.35fr;gap:65px}
.faq-intro h2{font-size:31px;max-width:300px}
.faq-intro p{font-size:12px;color:var(--muted);margin-top:14px;max-width:275px}
.faq-items details{border-bottom:1px solid var(--border);padding:16px 0}
.faq-items details:first-child{padding-top:0}
.faq-items summary{font-size:13px;list-style:none;position:relative;padding-right:28px}
.faq-items summary::-webkit-details-marker{display:none}
.faq-items summary::after{content:'+';position:absolute;right:3px;top:-3px;font-size:20px;font-weight:400;color:var(--muted)}
.faq-items details[open] summary::after{content:'−'}
.faq-items p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:12px;max-width:520px}
.site-footer{padding:30px 0 36px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:24px;align-items:center}
.site-footer .wordmark{font-size:25px}
.site-footer .brand-symbol{width:23px;height:23px}
.footer-caption{font-size:10px;color:var(--muted);margin-top:10px}
.footer-links{display:flex;gap:24px;font-size:11px;color:var(--muted)}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}
@media(min-width:1500px){.hero{gap:65px;padding-block:85px}.hero-visual{padding-left:0}}
@media(max-width:1000px){.shell{padding-inline:32px}.hero{gap:32px;padding-block:55px}h1{font-size:58px}.hero-description{font-size:14px}.hero-actions{gap:17px}.reference-tag{left:-15px;bottom:42px;padding:12px 16px}.photo-caption{font-size:8px}.photo-window{aspect-ratio:1}.header-links{gap:22px}.section-heading h2{font-size:32px}}
@media(max-width:760px){.shell{padding-inline:24px}.site-header{min-height:84px}.wordmark{font-size:29px}.header-links{gap:18px}.header-links .how-link{display:none}.header-links .studio-link{padding:7px 11px;gap:9px}.hero{grid-template-columns:1fr;padding:46px 0 32px;gap:35px}.hero-copy{max-width:520px}h1{font-size:64px;max-width:500px;margin:19px 0}.hero-description{max-width:370px;font-size:14px}.hero-visual{max-width:540px;width:100%;padding:10px 8px 24px 8px;margin:auto}.photo-window{aspect-ratio:1.55}.photo-back{inset:9px 10px 25px 10px}.reference-tag{left:-5px;bottom:46px}.feature-strip{gap:15px;font-size:10px;padding:19px 0}.feature-strip span{gap:7px}.feature-strip svg{width:15px;height:15px}.workspace{padding:46px 0}.section-heading{margin-bottom:22px}.section-note{display:none}.section-heading h2{font-size:30px}.section-heading p{font-size:12px}.panel{padding:24px}.how-section{padding:40px 0}.how-heading{display:block}.how-heading h2{font-size:31px;margin-top:14px}.steps{gap:22px}.step h3{font-size:22px}.faq{gap:30px;padding:40px 0;grid-template-columns:1fr 1.25fr}.faq-intro h2{font-size:27px}.site-footer{align-items:flex-start}.footer-links{gap:16px;flex-wrap:wrap;justify-content:flex-end;max-width:200px}}
@media(max-width:520px){.shell{padding-inline:20px}.header-links .verify-link{display:none}.site-header{min-height:77px}.hero{padding-top:38px;gap:26px}h1{font-size:55px;letter-spacing:-1.7px;max-width:350px}.eyebrow{font-size:9px;letter-spacing:1.4px}.hero-actions{margin-top:24px}.hero-visual{padding-top:8px}.photo-window{aspect-ratio:1.24}.photo-label{font-size:8px;left:23px;top:23px}.photo-caption{font-size:7px;letter-spacing:.7px}.reference-tag{bottom:42px;padding:11px 14px}.reference-tag strong{font-size:11px}.feature-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:10px}.feature-strip span:last-child{grid-column:1/-1}.workspace{padding-top:39px}.section-heading h2{font-size:29px}.mode-tabs{padding:6px;gap:4px}.mode-tab{font-size:11px;gap:6px;min-height:45px}.mode-tab svg{width:14px;height:14px}.panel{padding:22px 18px}.panel-heading h3{font-size:18px}.panel-heading p{font-size:11px}.step-label{font-size:29px}.upload-zone{padding:24px 15px}.upload-zone h4{font-size:14px}.upload-zone p{font-size:10px;max-width:230px;margin-inline:auto}.action-row{gap:12px}.action-row>.btn{width:100%}.two-col,.compare-grid{grid-template-columns:1fr;gap:23px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.result-banner{padding:16px 13px;gap:10px}.result-title{font-size:16px}.result-actions .btn{flex:1 1 auto}.steps{grid-template-columns:1fr;gap:26px}.step{padding-top:15px}.step h3{margin-top:6px}.step p{max-width:100%}.faq{grid-template-columns:1fr;gap:28px}.faq-intro h2{max-width:100%}.faq-intro p{max-width:100%;margin-top:8px}.site-footer{padding-block:26px;gap:22px}.footer-links{column-gap:18px;row-gap:12px;max-width:150px}.tool-footnote{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}