:root{
  --c1:#4f46e5;--c2:#c026d3;--grad:linear-gradient(135deg,#4f46e5 0%,#7c3aed 55%,#c026d3 100%);
  --bg:#f7f7fb;--surface:#ffffff;--surface2:#f0effa;--text:#16142b;--muted:#5d5a78;--line:#e3e1f0;
  --accent:#5b3df5;--ok:#0f9d58;--warn:#b45309;--radius:18px;--shadow:0 10px 30px rgba(40,24,120,.10);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0f0e1a;--surface:#181628;--surface2:#221f38;--text:#f1f0fa;--muted:#a8a5c4;--line:#2d2a48;
    --accent:#a593ff;--shadow:0 10px 30px rgba(0,0,0,.35);color-scheme:dark}
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}

/* Header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text);text-decoration:none;white-space:nowrap}
.brand img{width:34px;height:34px;border-radius:9px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:10px}
.nav a:hover,.nav a[aria-current=page]{color:var(--text);background:var(--surface2)}
.nav a.get{background:var(--grad);color:#fff;margin-left:6px}
.menu{display:none;margin-left:auto;background:none;border:0;color:var(--text);padding:8px;cursor:pointer}
@media (max-width:860px){
  .menu{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px 16px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a.get{margin:6px 0 0;text-align:center}
}

/* Hero + tool */
.hero{background:var(--grad);color:#fff;padding:44px 0 120px;text-align:center;position:relative;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.09)}
.hero::before{width:520px;height:520px;left:-200px;top:-260px}
.hero::after{width:420px;height:420px;right:-160px;bottom:-240px}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.15;font-weight:800;position:relative}
.hero p{font-size:clamp(16px,2.2vw,19px);opacity:.93;max-width:640px;margin:12px auto 0;position:relative}
.tool{position:relative;margin:-88px auto 0;max-width:820px;background:var(--surface);border-radius:24px;
  box-shadow:var(--shadow);padding:22px;border:1px solid var(--line)}
.tabs{display:flex;gap:6px;background:var(--surface2);padding:5px;border-radius:14px;width:max-content;margin:0 auto 16px}
.tabs button{border:0;background:none;color:var(--muted);font:inherit;font-weight:700;font-size:15px;padding:8px 18px;border-radius:10px;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--surface);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.drop{border:2px dashed color-mix(in srgb,var(--accent) 45%,transparent);border-radius:18px;padding:34px 16px;text-align:center;
  cursor:pointer;transition:.2s;background:color-mix(in srgb,var(--accent) 4%,transparent)}
.drop:hover,.drop.over{background:color-mix(in srgb,var(--accent) 10%,transparent);border-color:var(--accent)}
.drop .ic{width:64px;height:64px;margin:0 auto 12px;border-radius:50%;background:var(--grad);display:grid;place-items:center}
.drop strong{display:block;font-size:19px}
.drop small{color:var(--muted);display:block;margin-top:6px}
.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;font:inherit;font-weight:700;
  font-size:16px;padding:12px 22px;cursor:pointer;text-decoration:none;transition:transform .15s}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--grad);color:#fff}
.btn.ghost{background:var(--surface2);color:var(--text)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.field{display:flex;gap:10px;flex-wrap:wrap}
.field input,.field select,textarea{flex:1;min-width:0;font:inherit;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg);color:var(--text)}
.field input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.preview{display:none;gap:18px;align-items:center;flex-wrap:wrap;justify-content:center}
.preview img{max-height:260px;border-radius:14px;border:1px solid var(--line)}
.note{color:var(--muted);font-size:14px;text-align:center;margin-top:12px}
.status{text-align:center;font-weight:600;margin-top:14px;min-height:1.6em}
.status.err{color:#dc2626}
.spinner{width:18px;height:18px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Results */
.results{display:none;margin-top:20px}
.results h2{font-size:20px;text-align:center;margin-bottom:12px}
.engines{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.engine{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--bg);
  color:var(--text);text-decoration:none;font-weight:700}
.engine:hover{border-color:var(--accent)}
.engine span.dot{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;flex:none}
.engine small{display:block;color:var(--muted);font-weight:500;font-size:13px}

/* App promo */
.promo{display:flex;gap:18px;align-items:center;background:var(--grad);color:#fff;border-radius:20px;padding:18px 20px;margin-top:20px}
.promo img{width:60px;height:60px;border-radius:14px;flex:none}
.promo div{flex:1}
.promo strong{font-size:18px;display:block}
.promo p{opacity:.92;font-size:15px}
.promo .btn{background:#fff;color:#4c1d95;flex:none}
@media (max-width:560px){.promo{flex-wrap:wrap}.promo .btn{width:100%}}
.play{display:inline-flex;align-items:center;gap:10px;background:#111;color:#fff;border-radius:12px;padding:10px 18px;text-decoration:none;font-weight:700;border:1px solid #333}
.play small{display:block;font-size:11px;font-weight:500;opacity:.8;line-height:1}
.play svg{flex:none}

/* Content */
section.block{padding:56px 0}
section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2.title{font-size:clamp(24px,3.4vw,32px);line-height:1.2;text-align:center;margin-bottom:10px}
p.lead{color:var(--muted);text-align:center;max-width:680px;margin:0 auto 30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
section.alt .card{background:var(--bg)}
.card h3{font-size:18px;margin:10px 0 6px}
.card p{color:var(--muted);font-size:15.5px}
.card .num{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:grid;place-items:center}
.card a.more{display:inline-block;margin-top:10px;font-weight:700;text-decoration:none}
.prose h2{font-size:24px;margin:34px 0 10px;line-height:1.25}
.prose h3{font-size:19px;margin:22px 0 6px}
.prose p,.prose li{color:var(--muted);margin-bottom:10px}
.prose ul{padding-left:22px}
.prose strong{color:var(--text)}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
details summary::after{content:"+";font-size:22px;line-height:1;color:var(--accent)}
details[open] summary::after{content:"–"}
details p{color:var(--muted);padding-bottom:14px}
.app-band{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.app-band .shots{display:flex;gap:14px;justify-content:center}
.app-band .shots img{width:31%;height:auto;aspect-ratio:9/16;object-fit:cover;border-radius:16px;box-shadow:var(--shadow)}
.app-band ul{list-style:none;margin:16px 0 22px}
.app-band li{padding-left:28px;position:relative;margin-bottom:8px;color:var(--muted)}
.app-band li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
@media (max-width:800px){.app-band{grid-template-columns:1fr}}

/* Data table (photo info) */
.kv{width:100%;border-collapse:collapse;font-size:15.5px}
.kv th,.kv td{text-align:left;padding:9px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.kv th{color:var(--muted);font-weight:600;width:40%}
.flag{display:flex;gap:10px;padding:12px 14px;border-radius:12px;background:var(--surface2);margin-bottom:8px;font-size:15.5px}
.flag.warn{background:color-mix(in srgb,#f59e0b 16%,transparent)}
.flag.ok{background:color-mix(in srgb,#10b981 14%,transparent)}
textarea{width:100%;min-height:220px;resize:vertical;line-height:1.5}
progress{width:100%;height:8px;accent-color:var(--c1)}
video{width:100%;max-height:380px;border-radius:14px;background:#000}

/* Footer */
footer{background:var(--surface);border-top:1px solid var(--line);padding:36px 0 90px;margin-top:40px;font-size:15px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:10px}
footer a{display:block;color:var(--text);text-decoration:none;margin-bottom:6px}
footer a:hover{color:var(--accent)}
footer p{color:var(--muted)}
footer .copy{margin-top:24px;color:var(--muted);font-size:14px}
@media (max-width:700px){footer .cols{grid-template-columns:1fr 1fr}footer .cols>div:first-child{grid-column:1/-1}}

/* Android app banner */
.appbar{position:fixed;left:10px;right:10px;bottom:10px;z-index:30;display:none;align-items:center;gap:12px;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;padding:10px 12px;box-shadow:0 10px 40px rgba(20,10,60,.25)}
.appbar.show{display:flex}
.appbar img{width:44px;height:44px;border-radius:11px}
.appbar div{flex:1;line-height:1.3;font-size:14px}
.appbar strong{display:block;font-size:15px}
.appbar span{color:var(--muted)}
.appbar .btn{padding:9px 16px;font-size:15px}
.appbar .x{background:none;border:0;color:var(--muted);font-size:22px;cursor:pointer;padding:0 4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (max-width:520px){
  .tabs{width:100%}
  .tabs button{flex:1;padding:8px 4px;font-size:14px}
  .tool{padding:16px}
}