:root{--bg:#fff;--fg:#17181F;--mute:#52535E;--fine:#62646F;--line:#E7E7EF;--tile:#F6F6FA;--accent:#5A5CF0;--link:#4A4CD0;--btn-fg:#fff;--num:#EEEEFF;--shadow:0 24px 70px rgba(30,30,80,.22);--btn-bg:#4B4DDB}
@media (prefers-color-scheme:dark){:root{--bg:#0E1020;--fg:#F2F2F8;--mute:#B4B6C6;--fine:#A9ABBC;--line:#262838;--tile:#191B2E;--link:#A6A8FF;--num:#262850;--shadow:0 24px 70px rgba(0,0,0,.5);--btn-bg:#5A5CF0}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",sans-serif;line-height:1.5;font-size:17px}
a{color:var(--link)}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--bg);padding:8px 12px;z-index:9}
header .wrap{display:flex;align-items:center;gap:12px;padding-top:20px;padding-bottom:20px}
header img{width:32px;height:32px;display:block}
.brand{display:flex;align-items:center;gap:12px;color:var(--fg);text-decoration:none;font-weight:700;font-size:18px;margin-right:auto}
.btn{display:inline-block;background:var(--btn-bg);color:#fff;border-radius:10px;padding:13px 22px;font-weight:600;font-size:16px;text-decoration:none;transition:filter .15s}
.btn:hover{filter:brightness(.92)}.btn.sm{padding:8px 14px;font-size:14px}
.hero{display:flex;gap:40px;align-items:center;padding-top:32px;padding-bottom:48px}
.hero>div:first-child{flex:1;min-width:0}.hero>.shot{flex:1.25;min-width:0}
h1{font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-1.2px;margin:0 0 16px}
h2{font-size:28px;line-height:1.2;margin:0 0 16px}
h3{font-size:20px;margin:28px 0 6px}
.lead{font-size:20px;line-height:1.45;color:var(--mute);margin:0 0 24px}
.fine{font-size:14.5px;color:var(--fine);margin:14px 0 0}






.cap{font-size:13px;color:var(--fine);margin:10px 0 0;text-align:center}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;list-style:none;padding:0;margin:0 0 40px}
.step{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:20px}
.num{width:28px;height:28px;border-radius:50%;background:var(--num);color:var(--link);font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.step h3{margin:0 0 4px;font-size:18px}.step p{margin:0;font-size:15.5px;color:var(--mute)}
.inside{background:var(--tile);border-radius:16px;padding:28px;margin-bottom:48px}
.inside ul{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 32px}
.inside li{color:var(--mute);font-size:16px}.inside li strong{color:var(--fg)}
footer{border-top:1px solid var(--line);font-size:14.5px;color:var(--fine)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;padding-top:22px;padding-bottom:28px}
footer a{color:var(--fine)}
.doc{max-width:720px;padding-top:24px;padding-bottom:56px}.doc h1{font-size:clamp(30px,5vw,42px)}
.doc p,.doc li{color:var(--mute)}.doc li{margin:4px 0}.doc strong{color:var(--fg)}
@media (max-width:860px){.hero{flex-direction:column;align-items:stretch;gap:32px}.steps{grid-template-columns:1fr}.inside ul{grid-template-columns:1fr}}
@media (max-width:520px){.wrap{padding:0 18px}.lead{font-size:18px}body{font-size:16px}header .btn.sm{padding:8px 12px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.shot picture,.shot img{display:block;width:100%;height:auto}.shot img{border-radius:12px;box-shadow:var(--shadow);border:1px solid rgba(128,128,140,.25)}

.tabs{display:flex;gap:4px;background:var(--tile);border-radius:11px;padding:4px;margin-bottom:14px}
.tabs button{flex:1;min-width:0;border:0;background:none;color:var(--fine);font:inherit;font-size:14px;font-weight:600;padding:8px 2px;border-radius:8px;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--bg);color:var(--fg);box-shadow:0 1px 3px rgba(0,0,0,.16)}
.tabs button:focus-visible{outline:3px solid var(--accent);outline-offset:1px}
.stack{position:relative;aspect-ratio:8/5;margin:0 22px 22px 0;cursor:pointer}
.card{position:absolute;inset:0;transition:transform .36s ease,opacity .36s ease}
.card[data-pos="0"]{z-index:5}.card[data-pos="1"]{z-index:4;transform:translate(11px,11px);opacity:.8}.card[data-pos="2"]{z-index:3;transform:translate(22px,22px);opacity:.5}
.card[data-pos="3"],.card[data-pos="4"]{z-index:2;transform:translate(22px,22px);opacity:0}
.card.out{animation:shuffle .46s ease}
@keyframes shuffle{0%{z-index:6;transform:none;opacity:1}45%{z-index:6;transform:translate(9%,-3%) rotate(2deg);opacity:1}46%{z-index:1}100%{z-index:1}}
@media (prefers-reduced-motion:reduce){.card.out{animation:none}}
@media (max-width:520px){.tabs button{font-size:13px}}

.thanks{max-width:640px;text-align:center;padding-top:44px;padding-bottom:56px}.thanks h1{font-size:clamp(30px,5vw,38px);letter-spacing:-.6px}.thanks p{color:var(--mute)}
.codebox{text-align:left;margin-top:26px}.codebox .fine{margin:0 0 6px}
.code{font:13px ui-monospace,Menlo,monospace;background:var(--tile);border:1px solid var(--line);border-radius:10px;padding:14px;word-break:break-all;line-height:1.5}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px}.row .fine{margin:0}
.ghost{border:0;background:var(--tile);color:var(--link);font:inherit;font-size:15px;font-weight:600;border-radius:10px;padding:12px 20px;cursor:pointer}.ghost:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.pro{padding-bottom:48px}.pro table{border-collapse:collapse;width:100%}.pro th,.pro td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:16px;text-align:center}.pro th:first-child{text-align:left}.pro tbody th{font-weight:400;color:var(--mute)}
.pro .buy{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:18px}.pro .buy .fine{margin:0}
@media (max-width:520px){.pro th,.pro td{padding:8px 6px;font-size:15px}.row{flex-direction:column;align-items:stretch;text-align:center}}