.stairs-page{--stairs-red:#a73222;--stairs-muted:#5c574f}
.stairs-page h1,.stairs-page h2,.stairs-page h3{text-wrap:balance}
.stairs-page p{text-wrap:pretty}
.stairs-intro{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:clamp(28px,5vw,76px);padding:40px 0 56px}
.stairs-intro header{min-width:0;padding:12px 0 30px}
.stairs-note{display:block;color:var(--stairs-red);font-size:24px;line-height:1.3;margin-bottom:20px}
.stairs-intro h1{font-family:var(--serif);font-weight:450;font-size:clamp(38px,5.2vw,67px);line-height:1.08;letter-spacing:-.025em;margin:0 0 24px}
.stairs-intro h1 span{display:inline-block;position:relative}
.stairs-intro h1 span:after{content:"";position:absolute;left:0;bottom:-9px;width:100%;height:9px;border-top:3px solid var(--stairs-red);border-radius:50%;transform:rotate(-2deg);transform-origin:left;animation:stairs-mark .65s cubic-bezier(.22,1,.36,1) both}
.stairs-lead{font-size:18px;line-height:1.75;max-width:49ch;margin:26px 0}
.stairs-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:27px 0 18px}
.stairs-actions .stairs-primary{background:var(--stairs-red);color:#fff;border:0;min-height:48px;padding:14px 22px;text-decoration:none;transition:background .18s,transform .18s}
.stairs-actions .stairs-primary:hover{background:#89281c;transform:translateY(-2px)}
.stairs-actions .stairs-primary:active{transform:scale(.98)}
.stairs-call{display:inline-flex;align-items:center;min-height:44px;text-underline-offset:5px;font-size:14px}
.stairs-small{font-size:13px;color:var(--stairs-muted);line-height:1.6;margin:0}
.stairs-photo{margin:0;min-width:0}
.stairs-photo img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:2px}
.stairs-intro>.stairs-photo{transform:rotate(1deg);padding:9px;background:#fff;box-shadow:0 12px 28px #32231712}
.stairs-photo figcaption{font-size:12px;line-height:1.6;color:var(--stairs-muted);margin-top:12px}
.stairs-intro>.stairs-photo figcaption{padding:0 6px 5px}
.stairs-topics{display:flex;justify-content:space-between;gap:20px;border-block:1px solid var(--line);padding:23px 0;margin:16px 0 64px}
.stairs-topics a{font-family:var(--serif);font-size:23px;text-decoration-thickness:1px;text-underline-offset:7px}
.stairs-content{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:clamp(32px,6vw,88px);align-items:start}
.stairs-content .body{min-width:0;max-width:68ch}
.stairs-content .body h2:first-child{margin-top:0}
.stairs-content .body h2{font-size:32px;line-height:1.2;margin-top:44px;scroll-margin-top:100px}
.stairs-content .body h3{font-size:24px;line-height:1.3;margin-top:30px}
.stairs-content .body p,.stairs-content .body li{font-size:16px;line-height:1.8}
.stairs-content .body li{margin-bottom:10px}
.stairs-content .body a,.stairs-aside-contact a{color:var(--stairs-red);text-decoration-thickness:1px;text-underline-offset:4px}
.stairs-content .body table{width:100%;font-size:14px;table-layout:fixed;overflow-wrap:anywhere}
.stairs-content .body table th,.stairs-content .body table td{padding:12px 10px}
.stairs-content .body table th:first-child,.stairs-content .body table td:first-child{width:31%}
.stairs-aside{padding-top:8px;min-width:0}
.stairs-aside-contact{border-top:1px solid var(--line);padding-top:26px;margin-top:34px}
.stairs-aside-contact h2{font-family:var(--serif);font-size:28px;font-weight:450;line-height:1.2;margin:0 0 16px}
.stairs-aside-contact p{font-size:15px;line-height:1.8;color:var(--stairs-muted);margin-bottom:20px}
.stairs-aside-contact a{font-size:14px;display:inline-block;padding:10px 0}
.stairs-toc .hand{font-size:23px;color:var(--stairs-red)}
.stairs-toc ul{list-style:none;padding:15px 0 0;margin:0}
.stairs-toc li{border-bottom:1px solid var(--line)}
.stairs-toc a{display:block;padding:14px 0;text-decoration:none;font-size:14px;line-height:1.5}
.stairs-next{margin:72px 0 56px}
.stairs-next h2,.stairs-faq h2{font-family:var(--serif);font-size:clamp(28px,3vw,38px);font-weight:450;line-height:1.2;margin:0 0 25px}
.stairs-next>a{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:25px 0;text-decoration:none}
.stairs-next>a:last-child{border-bottom:1px solid var(--line)}
.stairs-next h3{font-family:var(--serif);font-size:27px;font-weight:450;line-height:1.25;margin:0 0 8px}
.stairs-next p{font-size:15px;color:var(--stairs-muted);line-height:1.6;margin:0}
.stairs-next>a>span{font-size:28px;color:var(--stairs-red);transition:transform .2s}
.stairs-next>a:hover>span{transform:translate(3px,-3px)}
.stairs-faq{max-width:850px}
.stairs-faq summary{min-height:52px;line-height:1.5}
.stairs-contact{margin:70px 0 80px;padding:40px 0 0;border-top:2px solid var(--stairs-red)}
.stairs-contact>.hand{font-size:27px;color:var(--stairs-red)}
.stairs-contact h2{font-family:var(--serif);font-size:clamp(34px,4vw,48px);font-weight:450;line-height:1.12;margin:15px 0}
.stairs-contact p{max-width:56ch;line-height:1.7}
.stairs-page a:focus-visible,.stairs-page summary:focus-visible{outline:3px solid var(--stairs-red);outline-offset:5px}
.stairs-guide .stairs-intro{grid-template-columns:1.35fr .8fr;gap:64px;padding-bottom:62px}
.stairs-guide .stairs-intro h1{font-size:clamp(36px,4.5vw,58px)}
.stairs-guide .stairs-content{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.stairs-variants{margin:0 0 76px;scroll-margin-top:100px}
.stairs-variants>header{max-width:720px;margin-bottom:34px}
.stairs-variants .hand{font-size:24px;color:var(--stairs-red)}
.stairs-variants h2{font-family:var(--serif);font-size:clamp(30px,3.8vw,46px);font-weight:450;line-height:1.15;margin:14px 0 18px}
.stairs-variants>header p{font-size:16px;line-height:1.8;max-width:65ch}
.stairs-variants-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,52px);padding:8px 6px}
.stairs-variants-grid .stairs-photo{padding:9px;background:#fff;box-shadow:0 10px 26px #32231710;transform:rotate(-.6deg)}
.stairs-variants-grid .stairs-photo:nth-child(2){transform:rotate(.6deg)}
.stairs-variants-grid figcaption{padding:0 8px 8px}
.stairs-variants-grid figcaption strong{display:block;font-family:var(--serif);font-weight:450;font-size:24px;color:var(--ink);line-height:1.2;margin-bottom:9px}
.stairs-variants-grid figcaption span{display:block;font-size:14px;line-height:1.65}
.stairs-variants-note{font-size:12px;line-height:1.7;color:var(--stairs-muted);max-width:86ch;margin:28px 0 0}
@keyframes stairs-mark{from{transform:rotate(-2deg) scaleX(.1)}to{transform:rotate(-2deg) scaleX(1)}}
@media(max-width:760px){
 .stairs-intro,.stairs-guide .stairs-intro{grid-template-columns:1fr;gap:27px;padding:26px 0 34px}
 .stairs-intro header{padding:0}.stairs-intro h1{font-size:clamp(38px,8.2vw,58px)}
 .stairs-note{font-size:22px;margin-bottom:18px}.stairs-lead{font-size:17px;line-height:1.7;margin:24px 0}
 .stairs-intro>.stairs-photo{margin:6px 5px 8px;transform:rotate(.7deg)}
 .stairs-guide .stairs-intro>.stairs-photo{max-width:460px;width:calc(100% - 10px)}
 .stairs-topics{flex-direction:column;gap:7px;padding:15px 0;margin:4px 0 36px}
 .stairs-topics a{font-size:21px;min-height:44px;display:flex;align-items:center}
 .stairs-content,.stairs-guide .stairs-content{grid-template-columns:1fr;gap:28px}
 .stairs-content .body h2{font-size:29px}.stairs-content .body table{font-size:13px}
 .stairs-content .body table th,.stairs-content .body table td{padding:10px 7px}
 .stairs-toc{display:none}.stairs-aside-contact{margin-top:28px}
 .stairs-variants{margin-bottom:46px}.stairs-variants>header{margin-bottom:24px}
 .stairs-variants-grid{grid-template-columns:1fr;gap:28px;padding-inline:4px}
 .stairs-next{margin-top:48px}.stairs-next h3{font-size:25px}
 .stairs-contact{margin:48px 0 56px;padding-top:28px}.stairs-contact>.hand{font-size:24px}
}
@media(prefers-reduced-motion:reduce){.stairs-page *{animation:none!important;transition:none!important}}