:root{color-scheme:light dark;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--r-xs: 8px;--r-sm: 12px;--r-md: 18px;--r-lg: 26px;--r-xl: 34px;--r-pill: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 36px;--space-7: 56px;--space-8: 88px;--maxw: 1200px;--hue: 212;--accent: hsl(var(--hue) 58% 48%);--accent-strong: hsl(var(--hue) 64% 42%);--accent-soft: hsl(var(--hue) 56% 58%);--bg: hsl(210 18% 97%);--bg-2: hsl(210 20% 93%);--ink: hsl(220 20% 13%);--ink-2: hsl(220 9% 37%);--ink-3: hsl(220 7% 53%);--hairline: hsl(220 14% 45% / .14);--glass-fill: hsl(0 0% 100% / .58);--glass-fill-2: hsl(0 0% 100% / .4);--glass-stroke: hsl(0 0% 100% / .75);--glass-stroke-2: hsl(220 18% 40% / .12);--glass-highlight: hsl(0 0% 100% / .85);--glass-blur: 22px;--glass-shadow: 0 10px 34px -12px hsl(220 20% 25% / .26), 0 2px 8px -4px hsl(220 20% 25% / .2);--focus: 0 0 0 3px hsl(var(--hue) 70% 58% / .45)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: hsl(220 14% 8%);--bg-2: hsl(220 13% 11%);--ink: hsl(210 14% 95%);--ink-2: hsl(214 9% 72%);--ink-3: hsl(214 7% 55%);--hairline: hsl(210 18% 80% / .12);--glass-fill: hsl(220 14% 24% / .44);--glass-fill-2: hsl(220 14% 28% / .3);--glass-stroke: hsl(210 28% 90% / .16);--glass-stroke-2: hsl(210 28% 90% / .06);--glass-highlight: hsl(210 40% 96% / .26);--glass-shadow: 0 16px 44px -14px hsl(220 40% 2% / .7), 0 2px 10px -4px hsl(220 40% 2% / .6);--accent: hsl(var(--hue) 66% 66%);--accent-strong: hsl(var(--hue) 62% 60%)}}:root[data-theme=dark]{--bg: hsl(220 14% 8%);--bg-2: hsl(220 13% 11%);--ink: hsl(210 14% 95%);--ink-2: hsl(214 9% 72%);--ink-3: hsl(214 7% 55%);--hairline: hsl(210 18% 80% / .12);--glass-fill: hsl(220 14% 24% / .44);--glass-fill-2: hsl(220 14% 28% / .3);--glass-stroke: hsl(210 28% 90% / .16);--glass-stroke-2: hsl(210 28% 90% / .06);--glass-highlight: hsl(210 40% 96% / .26);--glass-shadow: 0 16px 44px -14px hsl(220 40% 2% / .7), 0 2px 10px -4px hsl(220 40% 2% / .6);--accent: hsl(var(--hue) 66% 66%);--accent-strong: hsl(var(--hue) 62% 60%)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}body{margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.55;min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#hero-gl{position:fixed;inset:0;z-index:-2;width:100vw;height:100vh;display:block}#hero-fallback{position:fixed;inset:0;z-index:-3;background:radial-gradient(65% 60% at 28% 6%,hsl(var(--hue) 40% 62% / 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var(--glass-stroke-2);border-radius:var(--r-lg);box-shadow:var(--glass-shadow);isolation:isolate}.glass:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(180deg,var(--glass-highlight),transparent 40%),linear-gradient(180deg,var(--glass-stroke),transparent 60%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:1}@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){.glass{background:var(--bg-2)}}.btn{font:inherit;font-weight:600;display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--r-pill);border:1px solid var(--glass-stroke-2);background:linear-gradient(180deg,var(--glass-fill),var(--glass-fill-2));backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) 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var(--space-4);border-radius:var(--r-sm);border:1px solid var(--hairline);background:var(--glass-fill-2);color:var(--ink)}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus);border-color:var(--accent)}input[type=range]{accent-color:var(--accent);width:100%}.field{margin-bottom:var(--space-4)}.row{display:flex;gap:var(--space-4);flex-wrap:wrap}.row>*{flex:1 1 160px}.badge{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:var(--r-pill);background:hsl(var(--hue) 45% 55% / .14);color:var(--accent-strong)}.badge-beta{background:#dda23c2e;color:#b37319}:root[data-theme=dark] .badge-beta{color:#eebf63}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.nav{position:sticky;top:0;z-index:50;padding:var(--space-3) 0}.nav-inner{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-2) var(--space-4);border-radius:var(--r-pill)}.brand{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand-mark{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:linear-gradient(180deg,var(--accent-soft),var(--accent-strong));color:#fff;font-weight:800}.nav-spacer{flex:1}.nav a.nav-link{color:var(--ink-2);font-weight:600;font-size:.92rem}.nav a.nav-link:hover{color:var(--ink);text-decoration:none}.proof{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:.78rem;font-weight:600;color:var(--ink-2);background:#2eb85c24;border:1px solid hsl(140 60% 45% / .25)}.proof .dot{width:7px;height:7px;border-radius:50%;background:#25b154;box-shadow:0 0 8px #28bd5a}.proof.nonzero{background:#dd3c3c24;border-color:#dd3c3c4d}.proof.nonzero .dot{background:#da2f2f;box-shadow:0 0 8px #dd3c3c}.proof strong{color:var(--ink)}.theme-toggle{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;padding:0}.hero{padding:var(--space-8) 0 var(--space-6);text-align:center}.hero h1{margin-bottom:var(--space-4)}.hero .lede{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--ink-2);max-width:46ch;margin:0 auto var(--space-5)}.hero-badges{display:flex;gap:var(--space-3);justify-content:center;flex-wrap:wrap}.hero-badge{font-size:.82rem;font-weight:600;color:var(--ink-2);padding:6px 12px;border-radius:var(--r-pill)}.cat{margin-top:var(--space-7)}.cat-head{display:flex;align-items:baseline;gap:var(--space-3);margin-bottom:var(--space-4)}.cat-head h2{margin:0}.cat-head 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ease}.dropzone.drag{border-color:var(--accent);transform:scale(1.01)}.dropzone:focus-visible{outline:none;box-shadow:var(--focus)}.dz-icon{color:var(--accent);margin-bottom:var(--space-3)}.dz-title{font-size:1.2rem;font-weight:650;color:var(--ink);margin-bottom:4px}.dz-sub{margin:0;font-size:.9rem}.file-list{list-style:none;padding:0;margin:var(--space-4) 0;display:flex;flex-direction:column;gap:var(--space-2)}.file-row{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--r-sm)}.file-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{margin-left:auto;font-size:.82rem}.file-actions{display:flex;gap:4px}.icon-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--hairline);background:var(--glass-fill-2);cursor:pointer;color:var(--ink-2);font-size:.9rem}.icon-btn:hover{color:var(--ink)}.options{padding:var(--space-5);border-radius:var(--r-md);margin:var(--space-4) 0}.run-row{display:flex;justify-content:center;margin-top:var(--space-4)}.check{display:inline-flex;align-items:center;gap:8px;font-weight:500}.range-wrap{display:flex;align-items:center;gap:var(--space-3)}.range-val{min-width:3ch;text-align:right}.field-hint{font-size:.8rem;margin-top:4px}.progress{padding:var(--space-5);border-radius:var(--r-md);margin:var(--space-4) 0}.bar-label{display:flex;justify-content:space-between;font-weight:600;margin-bottom:var(--space-3)}.bar-track{height:8px;border-radius:var(--r-pill);background:var(--glass-fill-2);overflow:hidden}.bar-fill{height:100%;width:0;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--accent-soft),var(--accent-strong));transition:width .25s ease}.bar-note{font-weight:500;font-variant-numeric:tabular-nums}.bar-fill.is-indeterminate{width:42%;transition:none;animation:bar-indeterminate 1.15s ease-in-out infinite}@keyframes bar-indeterminate{0%{transform:translate(-120%)}to{transform:translate(300%)}}@media(prefers-reduced-motion:reduce){.bar-fill.is-indeterminate{width:100%;transform:none;animation:bar-pulse 1.5s ease-in-out infinite}@keyframes bar-pulse{0%,to{opacity:.35}50%{opacity:.85}}}.warn-list{margin-top:var(--space-3)}.warn{color:#da840b;font-weight:600}.warn-item{font-size:.82rem}.result{padding:var(--space-6);border-radius:var(--r-lg);text-align:center;margin:var(--space-4) 0}.result-check{width:56px;height:56px;margin:0 auto var(--space-3);border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(180deg,#35d477,#1fad66)}.result h3{margin-bottom:var(--space-3)}.size-delta{font-weight:600;color:var(--accent-strong)}.result-actions{display:flex;gap:var(--space-3);justify-content:center;flex-wrap:wrap;margin-top:var(--space-4)}.error-card{padding:var(--space-5);border-radius:var(--r-md);margin:var(--space-4) 0;border-left:3px solid hsl(0 70% 55%)}.upsell{text-align:center;font-size:.88rem;margin-top:var(--space-4)}.text-preview{text-align:left;white-space:pre-wrap;word-break:break-word;padding:var(--space-4);border-radius:var(--r-sm);max-height:420px;overflow:auto;font-family:var(--font-mono);font-size:.82rem;margin-top:var(--space-4)}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-3);margin-top:var(--space-4)}.gallery img{width:100%;border-radius:var(--r-sm);box-shadow:var(--glass-shadow)}.thumb-grid,.scan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:var(--space-4);margin:var(--space-4) 0}.thumb{position:relative;padding:var(--space-2);border-radius:var(--r-sm);cursor:grab}.thumb img{width:100%;border-radius:6px;display:block;transition:transform .2s ease}.thumb-n{position:absolute;top:6px;left:6px;font-size:.72rem;background:#0000008c;color:#fff;padding:1px 6px;border-radius:var(--r-pill)}.thumb-tools{position:absolute;top:6px;right:6px;display:flex;gap:4px;opacity:0;transition:opacity .15s}.thumb:hover .thumb-tools{opacity:1}.sign-layout{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}.sig-pad{width:100%;height:auto;touch-action:none;border-radius:var(--r-sm);background:#fff}.sign-preview,.crop-wrap,.edit-stage{position:relative;display:inline-block;max-width:100%;touch-action:none}.sign-preview img,.crop-wrap img,.edit-stage img{max-width:100%;border-radius:var(--r-sm);display:block}.sig-box{position:absolute;border:2px dashed var(--accent);background:hsl(var(--hue) 85% 55% / .12);cursor:move}.crop-rect{position:absolute;border:2px solid var(--accent);box-shadow:0 0 0 100vmax #0006;pointer-events:none}.redact-box{position:absolute;background:#000}.edit-overlay{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}.edit-toolbar{display:inline-flex;gap:6px;padding:6px;border-radius:var(--r-pill);align-items:center;flex-wrap:wrap}.edit-toolbar .btn.active{background:linear-gradient(180deg,var(--accent-soft),var(--accent-strong));color:#fff}.edit-controls{display:flex;gap:var(--space-4);align-items:center;flex-wrap:wrap;margin-bottom:var(--space-4)}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}.section{margin:var(--space-7) 0}.faq-item{padding:var(--space-4) 0;border-bottom:1px solid var(--hairline)}.faq-item summary{font-weight:640;cursor:pointer;font-size:1.02rem;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:before{content:"＋";color:var(--accent);margin-right:10px;font-weight:700}.faq-item[open] summary:before{content:"－"}.faq-item p{margin:var(--space-3) 0 0}.compare-table{width:100%;border-collapse:collapse}.compare-table th,.compare-table td{padding:var(--space-3) var(--space-4);text-align:left;border-bottom:1px solid var(--hairline)}.compare-table th{font-weight:640}.compare-table .yes{color:#29a35c;font-weight:700}.compare-table .no{color:var(--ink-3)}:root[data-theme=dark] .compare-table .yes{color:#57db8e}.footer{margin-top:var(--space-8);padding:var(--space-6) 0;border-top:1px solid var(--hairline)}.footer-cols{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:var(--space-5)}.footer-cols h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin:0 0 var(--space-3)}.footer-cols a{display:block;color:var(--ink-2);font-size:.88rem;padding:2px 0}.footer-note{color:var(--ink-3);font-size:.84rem;margin-top:var(--space-5)}@media(max-width:820px){.sign-layout,.compare-grid,.footer-cols{grid-template-columns:1fr}.footer-cols{grid-template-columns:1fr 1fr}}