:root{--accent:#7c5cff;--accent-hover:#6b4cf0;--radius:8px;--radius-sm:6px;--wrap:940px;--bg:#f8f9fa;--surface:#ffffff;--border:rgba(20, 22, 50, .12);--border-strong:rgba(20, 22, 50, .24);--text:#14162e;--text-dim:#565a78;--text-faint:#8a8ea8;--checker-a:#e4e6f2;--checker-b:#f2f3fa;--accent-soft:rgba(124, 92, 255, .14);--section:#efeafc}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,4vw,24px)}
.topbar{background:var(--surface);border-bottom:1px solid var(--border)}
.topbar__inner{display:flex;align-items:center;justify-content:center;gap:16px;padding:14px clamp(16px,4vw,24px)}
.brand{text-decoration:none;color:var(--text)}
.brand__name{font-weight:800;font-size:clamp(16px, 2.2vw, 19px);letter-spacing:-.02em}
.brand__tld{color:var(--text-dim)}
.nav{display:flex;align-items:center;gap:4px}
.nav__link{font:inherit;font-size:13.5px;font-weight:600;color:var(--text-dim);background:0 0;border:none;cursor:pointer;text-decoration:none;padding:8px 12px}
.nav__link:hover{color:var(--text)}
.hero{text-align:center;padding:clamp(36px,7vw,72px) clamp(16px,4vw,24px) clamp(17px,3vw,25px)}
.hero__title{font-size:clamp(30px, 5.5vw, 48px);font-weight:800;letter-spacing:-.03em;line-height:1.08}
.hero__lede{margin:16px auto 0;max-width:600px;font-size:clamp(14px, 1.8vw, 16px);color:var(--text-dim);line-height:1.6}
.tool{padding-bottom:clamp(51px,10vw,107px);scroll-margin-top:clamp(16px,3vw,32px)}
.dropzone{width:100%;min-height:clamp(300px,46vh,480px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border-radius:var(--radius);color:var(--text);background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25'%3E%3Crect width='100%25' height='100%25' fill='none' rx='8' ry='8' stroke='%239aa0b8' stroke-width='3' pathLength='100' stroke-dasharray='0.3 0.2'/%3E%3C/svg%3E")}
.btn.dropzone__btn{padding:15px 32px;font-size:16px;background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.dropzone__btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.btn.dropzone__btn svg{width:20px;height:20px}
.dropzone__hint{font-size:13.5px;color:var(--text-dim)}
.workspace{display:flex;flex-direction:column;align-items:center;gap:16px;animation:fadeIn .25s ease}
.single-toggle{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);z-index:6;display:inline-flex;background:var(--bg);padding:4px;border-radius:var(--radius-sm);border:1px solid var(--border-strong)}
.toggle-btn{border:none;background:0 0;color:var(--text-dim);padding:7px 16px;font:inherit;font-size:13px;font-weight:600;border-radius:4px;cursor:pointer;outline:0;transition:color .15s ease,background .15s ease}
.toggle-btn:hover{color:var(--text)}
.toggle-btn--active{background:var(--accent);color:#fff!important}
.comparison{position:relative;width:100%}
.comparison__box{position:relative;height:clamp(300px,46vh,480px);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;background:repeating-conic-gradient(var(--checker-a) 0 25%,var(--checker-b) 0 50%) 0 0/18px 18px}
.comparison__img{position:absolute;inset:0;margin:auto;max-width:100%;max-height:100%;object-fit:contain;display:block}
#activeOriginalImg{z-index:1}
#activeCleanedImg{z-index:2;cursor:zoom-in}
.comparison.show-before #activeOriginalImg{z-index:2}
.comparison.show-before #activeCleanedImg{z-index:1}
.comparison__loading{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(10,11,20,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);color:#fff}
.comparison__spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.25);border-top-color:var(--accent);border-radius:50%;animation:spin .85s linear infinite}
.comparison__loading-text{font-size:13px;font-weight:600;letter-spacing:.03em;animation:pulse 1.5s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:.6}50%{opacity:1}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 17px;border-radius:var(--radius-sm);cursor:pointer;font:inherit;font-weight:600;font-size:14px;border:1px solid var(--border-strong);background:var(--bg);color:var(--text)}
.btn:hover{background:#e6e9f3}
.btn svg{width:18px;height:18px;flex:none}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.btn--accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.btn--accent:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.filmstrip{display:flex;gap:10px;max-width:100%;width:fit-content;margin:0 auto;overflow-x:auto;padding:4px;scrollbar-width:thin}
.filmstrip:empty{display:none}
.qadd,.qitem{flex:0 0 72px;width:72px;height:72px;position:relative;border-radius:var(--radius-sm);cursor:pointer;overflow:hidden;padding:0}
.qitem{border:1px solid var(--border);background:repeating-conic-gradient(var(--checker-a) 0 25%,var(--checker-b) 0 50%) 0 0/10px 10px}
.qitem.is-active{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:-2px}
.qitem__img{width:100%;height:100%;object-fit:cover;display:block}
.qitem__badge{position:absolute;top:4px;left:4px;z-index:3;width:18px;height:18px;display:grid;place-items:center;border-radius:4px;background:rgba(0,0,0,.55)}
.qitem__badge--ok{color:#4ade80}
.qitem__badge--warn{color:#f87171}
.qitem__spin{position:absolute;top:50%;left:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border:2px solid rgba(255,255,255,.3);border-top-color:var(--accent);border-radius:50%;animation:spin .85s linear infinite}
.qitem__del{position:absolute;top:4px;right:4px;z-index:3;width:18px;height:18px;display:grid;place-items:center;cursor:pointer;border-radius:4px;color:#fff;background:rgba(0,0,0,.55);opacity:0;transition:background .15s ease}
.qitem:hover .qitem__del{opacity:1}
@media (hover:none){.qitem__del{opacity:1}}
.qitem__del:hover{background:#dc2626}
.qadd{display:grid;place-items:center;color:var(--text-dim);border:1px dashed var(--border-strong);background:0 0}
.qadd:hover{color:var(--text);border-color:var(--accent)}
.content{padding:clamp(40px,6vw,76px) 0;background:var(--surface)}
.content__body{display:flex;flex-direction:column}
.content__h2{font-size:clamp(21px, 3vw, 29px);font-weight:800;letter-spacing:-.02em;margin:clamp(48px,6vw,64px) 0 18px}
.content__h2:first-child{margin-top:0}
.content__intro{max-width:72ch;margin:0 0 24px;font-size:15px;color:var(--text-dim);line-height:1.65}
.showcase{display:grid;align-items:center;gap:clamp(24px,4vw,52px);grid-template-columns:minmax(250px,0.9fr) minmax(0,1.3fr)}
.showcase .content__intro{margin-bottom:0}
.checks{list-style:none;display:grid;gap:11px;margin:20px 0 0}
.checks li{position:relative;padding-left:27px;font-size:14.5px;color:var(--text);line-height:1.5}
.checks li::before{content:'';position:absolute;left:0;top:1px;width:18px;height:18px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237c5cff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/contain no-repeat}
@media (max-width:760px){.showcase{grid-template-columns:1fr}}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ba__item{position:relative;margin:0;overflow:hidden;border-radius:var(--radius-sm)}
.ba__item img{display:block;width:100%;height:auto}
.ba__label{position:absolute;top:14px;left:-30px;width:115px;transform:rotate(-45deg);padding:5px 0;text-align:center;font-size:11px;font-weight:700;letter-spacing:.03em;color:#fff}
.ba__label--before{background:rgba(20,22,50,.72)}
.ba__label--after{background:rgba(124,92,255,.72)}
.how{list-style:none;margin-top:10px;display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.how__step{padding:24px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}
.how__label{display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--text);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.how__step h3{font-size:16px;font-weight:700;margin-bottom:7px}
.how__step p{font-size:13.5px;color:var(--text-dim);line-height:1.6}
@media (max-width:720px){.how{grid-template-columns:1fr}}
.ftable{margin-top:18px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.ftable__row{display:grid;grid-template-columns:minmax(220px,0.85fr) 1.6fr;border-top:1px solid var(--border)}
.ftable__row:first-child{border-top:none}
.ftable__feat{display:flex;align-items:center;gap:12px;padding:20px 22px;background:var(--bg);border-right:1px solid var(--border);color:var(--text)}
.ftable__name{margin:0;font-size:16px;font-weight:700;line-height:1.3}
.ftable__ic{flex:none;width:38px;height:38px;display:grid;place-items:center;border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--text)}
.ftable__ic svg{width:20px;height:20px}
.ftable__desc{display:flex;align-items:center;margin:0;padding:20px 24px;font-size:14px;color:var(--text-dim);line-height:1.6}
@media (max-width:640px){.ftable__row{grid-template-columns:1fr}.ftable__feat{border-right:none;border-bottom:1px solid var(--border)}.ftable__desc{padding:16px 22px}}
.faq{margin-top:10px;display:flex;flex-direction:column;gap:10px}
.faq details{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:0 18px}
.faq summary{cursor:pointer;list-style:none;position:relative;padding:15px 30px 15px 0}
.faq__q{margin:0;display:inline;font-size:16px;font-weight:600;color:var(--text)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:2px;top:50%;transform:translateY(-50%);font-size:21px;font-weight:400;color:var(--text-faint);line-height:1}
.faq details[open] summary::after{content:'\2212'}
.faq details p{margin:0 0 16px;font-size:14px;color:var(--text-dim);line-height:1.65}
.footer{background:var(--surface);border-top:1px solid var(--border);padding:22px 0 30px}
.footer .wrap{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;font-size:11.5px;color:var(--text-faint);line-height:1.5}
.nav--footer{flex-wrap:wrap;justify-content:center;gap:2px;margin:0 0 10px}
.nav--footer .nav__link{padding:6px 10px;font-size:13px}
.footer__tag{font-size:13px;color:var(--text-dim)}
.drop-overlay{position:fixed;inset:0;z-index:50;display:none;place-items:center;background:rgba(10,11,20,.82)}
.drop-overlay.active{display:grid}
.drop-overlay__inner{text-align:center;color:#fff;border:2px dashed rgba(255,255,255,.5);border-radius:var(--radius);padding:60px 80px}
.drop-overlay .spark{line-height:0}
.drop-overlay p{margin-top:12px;font-size:18px;font-weight:600}
.lightbox{position:fixed;inset:0;z-index:110;display:grid;place-items:center;padding:24px;background:rgba(10,11,20,.9)}
.lightbox__img{max-width:90%;max-height:90vh;object-fit:contain;border-radius:var(--radius);border:1px solid var(--border)}
.lightbox__close{position:absolute;top:20px;right:24px;background:0 0;border:none;color:#fff;font-size:36px;line-height:1;cursor:pointer}
.toast{position:fixed;left:50%;bottom:28px;z-index:60;transform:translateX(-50%);padding:12px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:var(--text);color:var(--bg);border:1px solid var(--border);display:none}
.toast.show{display:block}
.legal-page{background:var(--surface)}
.legal{max-width:760px;padding:clamp(28px,5vw,56px) clamp(16px,4vw,24px) clamp(40px,6vw,80px)}
.legal__title{font-size:clamp(21px, 3vw, 29px);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.legal__updated{font-size:12.5px;color:var(--text-faint);margin-bottom:28px}
.legal h2{font-size:18px;font-weight:700;margin:28px 0 8px}
.legal p{font-size:14px;color:var(--text-dim);line-height:1.7;margin-top:12px;text-wrap:pretty}
@media (max-width:720px){.comparison{flex-direction:column}.comparison__box{height:clamp(220px,42vh,380px)}}
@media (max-width:460px){.single-toggle{bottom:10px}.actions .btn{flex:1}}