/* STRIDA help & support */
.sth{--sth-ink:#1d1f24;--sth-muted:#5b616b;--sth-line:#e6e8eb;--sth-soft:#f5f6f8;--sth-accent:#c8102e;--sth-radius:12px;color:var(--sth-ink);margin:0 0 3em}
.sth a{text-decoration:none}
.sth-icon{flex:none;vertical-align:middle}

/* hero with search */
.sth-hero{background:linear-gradient(135deg,#1d1f24 0%,#3a3d45 100%);color:#fff;border-radius:var(--sth-radius);padding:2.4em 2em;margin:0 0 2em;text-align:center}
.sth-hero h2{color:#fff;margin:0 0 .8em;font-size:1.9em;font-weight:600}
.sth-search{position:relative;max-width:640px;margin:0 auto;display:flex;align-items:center;background:#fff;border-radius:999px;padding:0 0 0 18px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.sth-search .sth-icon{color:#888}
.sth-search input[type=search]{flex:1;border:0!important;box-shadow:none!important;background:transparent!important;padding:15px 18px 15px 10px!important;font-size:1.05em;color:#222;outline:0;min-width:0}
.sth-suggest{position:absolute;left:0;right:0;top:calc(100% + 8px);z-index:9999;background:#fff;color:#222;border-radius:var(--sth-radius);box-shadow:0 14px 34px rgba(0,0,0,.22);text-align:left;overflow:hidden;max-height:70vh;overflow-y:auto}
.sth-suggest h4{margin:0;padding:10px 16px 4px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#888}
.sth-suggest a{display:flex;gap:10px;align-items:center;padding:9px 16px;color:#222!important;border-top:1px solid #f1f1f1}
.sth-suggest a:hover,.sth-suggest a.is-active{background:var(--sth-soft)}
.sth-suggest img{width:40px;height:40px;object-fit:contain;flex:none}
.sth-suggest small{display:block;color:#1d4ed8;font-size:12px}
.sth-suggest .price{font-size:12px;color:var(--sth-muted)}
.sth-suggest .sth-all{font-weight:600;justify-content:center;color:var(--sth-accent)!important}
.sth-suggest .sth-none{padding:14px 16px;color:var(--sth-muted)}

/* layout: topics left, content right */
.sth-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:2.2em;align-items:start}
.sth-topics{position:sticky;top:20px}
.sth-topics h3{font-size:.8em;letter-spacing:.08em;text-transform:uppercase;color:var(--sth-muted);margin:0 0 .6em}
.sth-topics ul{list-style:none;margin:0 0 1.5em;padding:0}
.sth-topics li a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--sth-ink);font-weight:500;transition:background .15s}
.sth-topics li a span{flex:1}
.sth-topics li a em{font-style:normal;font-size:.8em;color:var(--sth-muted);background:var(--sth-soft);border-radius:999px;padding:1px 8px}
.sth-topics li a:hover{background:var(--sth-soft)}
.sth-topics li a.is-active{background:var(--sth-ink);color:#fff}
.sth-topics li a.is-active em{background:rgba(255,255,255,.18);color:#fff}

.sth-contact{background:var(--sth-soft);border-radius:var(--sth-radius);padding:1.1em 1.2em}
.sth-contact p{margin:.3em 0 .9em;color:var(--sth-muted);font-size:.92em}
.sth-contact .sth-chat{display:flex;align-items:center;gap:8px;justify-content:center;width:100%;background:var(--sth-ink);color:#fff;border:0;border-radius:999px;padding:10px 14px;cursor:pointer;font-weight:600}
.sth-contact .sth-chat:hover{background:#000}
.sth-contact a{display:block;margin-top:.7em;font-size:.85em;color:var(--sth-muted);text-align:center;word-break:break-all}

/* content */
.sth-title{display:flex;align-items:center;gap:12px;font-size:1.8em;margin:0 0 .4em}
.sth-photo{margin:0 0 1.4em}.sth-photo img{display:block;width:100%;height:auto;max-height:420px;object-fit:cover;border-radius:8px}
.sth-article .entry-content img{max-width:100%;height:auto}
.sth-desc{color:var(--sth-muted);margin:0 0 1.4em}
.sth-crumbs{font-size:.9em;color:var(--sth-muted);margin:0 0 1em}
.sth-crumbs a{color:var(--sth-muted)}
.sth-crumbs a:hover{color:var(--sth-ink)}
.sth-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1.2em}
.sth-card{border:1px solid var(--sth-line);border-radius:var(--sth-radius);padding:1.2em 1.3em;background:#fff;transition:box-shadow .15s,border-color .15s}
.sth-card:hover{box-shadow:0 8px 22px rgba(0,0,0,.07);border-color:#d6d9de}
.sth-card h3{margin:0 0 .6em;font-size:1.1em}
.sth-card h3 a{display:flex;align-items:center;gap:10px;color:var(--sth-ink)}
.sth-card h3 .sth-icon{color:var(--sth-accent)}
.sth-card ul{list-style:none;margin:0;padding:0}
.sth-card li{border-top:1px solid #f0f1f3}
.sth-card li a{display:block;padding:8px 0;color:#2b2f36;font-size:.95em}
.sth-card li a:hover{color:var(--sth-accent)}
.sth-more{display:inline-block;margin-top:.6em;font-weight:600;font-size:.9em;color:var(--sth-accent)}

.sth-list{list-style:none;margin:0;padding:0}
.sth-list li a{display:block;padding:1em 1.2em;border:1px solid var(--sth-line);border-radius:var(--sth-radius);margin:0 0 .7em;color:var(--sth-ink);transition:border-color .15s,box-shadow .15s}
.sth-list li a:hover{border-color:#cfd3d9;box-shadow:0 6px 18px rgba(0,0,0,.06)}
.sth-list strong{display:block;font-size:1.05em}
.sth-list span{display:block;color:var(--sth-muted);font-size:.92em;margin-top:.25em}

.sth-section{margin-top:2.4em}
.sth-section h3{display:flex;align-items:center;gap:8px;font-size:1.15em;margin:0 0 .8em}
.sth-manuals{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.8em}
.sth-manuals a{display:flex;gap:12px;align-items:center;padding:.9em 1em;border:1px solid var(--sth-line);border-radius:var(--sth-radius);color:var(--sth-ink)}
.sth-manuals a:hover{border-color:var(--sth-accent)}
.sth-manuals .sth-icon{color:var(--sth-accent)}
.sth-manuals strong{display:block;font-size:.95em;line-height:1.3}
.sth-manuals small{display:block;color:var(--sth-muted);font-size:.8em;margin-top:2px}
.sth-products{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1em}
.sth-products a{display:block;border:1px solid var(--sth-line);border-radius:var(--sth-radius);padding:.8em;color:var(--sth-ink);height:100%}
.sth-products a:hover{box-shadow:0 6px 18px rgba(0,0,0,.07)}
.sth-products img{width:100%;height:140px;object-fit:contain;margin:0 0 .5em}
.sth-products strong{display:block;font-size:.9em;line-height:1.3}
.sth-products .price{display:block;margin-top:.3em;font-size:.9em}
.sth-article .entry-content{font-size:1.02em;line-height:1.7}
.sth-article .entry-content img{border-radius:8px}
.sth-none{color:var(--sth-muted)}

/* mobile: topics become a horizontal row */
@media (max-width:820px){
  .sth-hero{padding:1.6em 1em}
  .sth-hero h2{font-size:1.4em}
  .sth-layout{grid-template-columns:minmax(0,1fr);gap:1.2em}
  .sth-topics{position:static}
  .sth-topics h3{display:none}
  .sth-topics ul{display:flex;gap:8px;overflow-x:auto;margin:0 -4px;padding:0 4px 6px;-webkit-overflow-scrolling:touch}
  .sth-topics li a{white-space:nowrap;background:var(--sth-soft);padding:8px 12px}
  .sth-contact{display:none}
  .sth-main{order:2}
}
/* the choice at the top of an article with parts per model (team app note #175): two cards that jump to their part */
.sth-choice{margin:1.4em 0 1.8em}
.sth-choice-q{margin:0 0 .6em;font-weight:700}
.sth-choice-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sth-choice-cards a{display:flex;flex-direction:column;gap:2px;padding:14px 16px;background:#fff;border:1px solid #e3e2dd;border-radius:14px;text-decoration:none;color:#1a1a1a;transition:border-color .15s}
.sth-choice-cards a:hover,.sth-choice-cards a:focus-visible{border-color:#1a1a1a}
.sth-choice-cards strong{font-size:1.05em}
.sth-choice-cards strong::after{content:" \2192"}
.sth-choice-cards span{color:#6b6b6b;font-size:.92em}
.sth-article .entry-content h2[id]{scroll-margin-top:90px}
@media (max-width:520px){.sth-choice-cards{grid-template-columns:1fr}}
/* phone: a picture floated beside the text takes the full line, centred (the text was squeezed into a narrow column) */
@media (max-width:520px){.sth-article .entry-content .alignright,.sth-article .entry-content .alignleft{float:none;margin:1em auto;text-align:center}.sth-article .entry-content .alignright img,.sth-article .entry-content .alignleft img{display:inline-block}}