/* Vac Manual: bright consumer-app system */
:root{
  --bg:#F2F5F8;
  --surface:#FFFFFF;
  --ink:#13202B;
  --muted:#4F5D6B;
  --line:#DCE3EA;
  --teal:#0B7A73;
  --teal-deep:#085E58;
  --teal-bright:#20B2A4;
  --teal-soft:#DFF4F1;
  --tomato:#B4341F;
  --tomato-soft:#FDECE8;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:28px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(19,32,43,.06),0 4px 14px rgba(19,32,43,.06);
  --shadow-2:0 2px 4px rgba(19,32,43,.06),0 14px 34px rgba(19,32,43,.10);
  --font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;font-variant-numeric:tabular-nums;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--teal);text-underline-offset:3px;text-decoration-thickness:1.5px}
a:hover{color:var(--teal-deep)}
:focus-visible{outline:3px solid var(--teal-bright);outline-offset:2px;border-radius:6px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:var(--pill);z-index:100}
.skip:focus{left:12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* App bar */
.appbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.appbar .wrap{display:flex;align-items:center;gap:16px;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.12rem;letter-spacing:-.02em;white-space:nowrap}
.brand svg{width:32px;height:32px;flex:none}
.brand img{height:30px;width:auto;display:block}
.navlinks{display:flex;gap:4px;margin-left:auto;align-items:center}
.navlinks a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;padding:8px 14px;border-radius:var(--pill)}
.navlinks a:hover{background:var(--bg)}
.navlinks a[aria-current="page"]{background:var(--teal-soft);color:var(--teal-deep)}
.navlinks .navcta{background:var(--ink);color:#fff}
.navlinks .navcta:hover{background:#26394a;color:#fff}
.menu-btn{display:none;margin-left:auto;border:1px solid var(--line);background:var(--surface);border-radius:var(--pill);height:40px;padding:0 16px;font:600 .95rem var(--font);color:var(--ink);cursor:pointer;align-items:center;gap:8px}
.menu-btn svg{width:18px;height:18px}
.nav-mobile[hidden]{display:none}
.nav-mobile:not([hidden]){display:flex;flex-direction:column;gap:4px;padding:8px 16px 16px;border-top:1px solid var(--line);background:var(--surface)}
.nav-mobile a{text-decoration:none;color:var(--ink);font-weight:600;padding:12px 14px;border-radius:var(--r-sm)}
.nav-mobile a:hover{background:var(--bg)}
@media (max-width:760px){.navlinks{display:none}.menu-btn{display:inline-flex}}
@media (min-width:761px){.nav-mobile:not([hidden]){display:none}}

/* Hero + picker */
.hero{padding:44px 0 20px}
.hero-head{max-width:760px}
.hero-head p{font-size:1.12rem;color:var(--muted);max-width:640px}
.picker{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:22px;margin-top:22px}
.picker-top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:18px}
.seg{display:inline-flex;background:var(--bg);border-radius:var(--pill);padding:4px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:transparent;font:600 .92rem var(--font);color:var(--muted);padding:8px 16px;border-radius:var(--pill);cursor:pointer;min-height:38px}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}
.helper-open{border:1.5px solid var(--teal);background:var(--teal-soft);color:var(--teal-deep);font:700 .95rem var(--font);padding:9px 18px;border-radius:var(--pill);cursor:pointer;min-height:40px}
.helper-open:hover{background:#cdeee9}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;list-style:none;margin:0;padding:0}
.tile{position:relative}
.tile button,.tile a.tilelink{width:100%;display:flex;flex-direction:column;align-items:center;gap:6px;border:1.5px solid var(--line);background:var(--surface);border-radius:var(--r-md);padding:14px 10px 12px;cursor:pointer;font:inherit;color:var(--ink);text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}
.tile button:hover{border-color:#b9c6d2;box-shadow:var(--shadow-1)}
.tile button[aria-pressed="true"]{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}
.tile svg.sil{width:100%;height:84px;color:var(--ink)}
.tile button[aria-pressed="true"] svg.sil{color:var(--teal-deep)}
.tile .tname{font-weight:700;font-size:.98rem;line-height:1.2;text-align:center}
.tile .tsub{font-size:.8rem;color:var(--muted);text-align:center;line-height:1.3}
.tile[hidden]{display:none}
.sel-panel{margin-top:18px;border-radius:var(--r-md);background:var(--bg);padding:18px}
.sel-panel[hidden]{display:none}
.sel-panel h2{font-size:1.25rem;margin-bottom:4px}
.sel-panel p{color:var(--muted);margin-bottom:12px;font-size:.98rem}
.jobchips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.jobchips a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;background:var(--surface);color:var(--ink);font-weight:600;font-size:.93rem;padding:9px 15px;border-radius:var(--pill);box-shadow:var(--shadow-1)}
.jobchips a:hover{color:var(--teal-deep);box-shadow:var(--shadow-2)}
.jobchips a.primary{background:var(--teal);color:#fff}
.jobchips a.primary:hover{background:var(--teal-deep);color:#fff}

/* Helper dialog */
.helper{border:0;border-radius:var(--r-lg);padding:0;max-width:520px;width:calc(100% - 32px);box-shadow:var(--shadow-2);color:var(--ink)}
.helper::backdrop{background:rgba(19,32,43,.45)}
.helper-inner{padding:24px}
.helper-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.helper-step{font-size:.88rem;color:var(--muted);font-weight:600}
.helper-close{border:0;background:var(--bg);border-radius:var(--pill);width:38px;height:38px;cursor:pointer;font-size:1.2rem;color:var(--ink)}
.helper h2{font-size:1.35rem;margin:6px 0 6px}
.helper .hint{color:var(--muted);font-size:.95rem}
.answers{display:grid;gap:10px;margin-top:14px}
.answers button{text-align:left;border:1.5px solid var(--line);background:var(--surface);border-radius:var(--r-md);padding:14px 16px;font:600 1rem var(--font);color:var(--ink);cursor:pointer}
.answers button:hover{border-color:var(--teal);background:var(--teal-soft)}
.answers button span{display:block;font-weight:400;font-size:.88rem;color:var(--muted);margin-top:2px}
.helper-result a.go{display:inline-block;margin-top:8px;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;padding:11px 20px;border-radius:var(--pill)}
.helper-result a.go:hover{background:var(--teal-deep)}
.helper-back{margin-top:16px;border:0;background:none;color:var(--teal);font:600 .95rem var(--font);cursor:pointer;padding:6px 0}

/* Sections */
.section{padding:40px 0}
.section-head{max-width:720px;margin-bottom:20px}
.section-head p{color:var(--muted)}
.jobgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;list-style:none;margin:0;padding:0}
.jobcard{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border-radius:var(--r-md);padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow-1);height:100%}
.jobcard:hover{box-shadow:var(--shadow-2);color:var(--ink)}
.jobcard .ico{flex:none;width:44px;height:44px;border-radius:14px;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center}
.jobcard .ico svg{width:24px;height:24px}
.jobcard strong{display:block;font-size:1.02rem;margin-bottom:2px}
.jobcard span{font-size:.92rem;color:var(--muted);line-height:1.45;display:block}

.list{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden}
.list h3{margin:0;padding:16px 20px 8px;font-size:1rem;color:var(--muted);font-weight:700;letter-spacing:0}
.list ul{list-style:none;margin:0;padding:0}
.list li+li a{border-top:1px solid var(--line)}
.list a{display:flex;align-items:center;gap:14px;padding:13px 20px;text-decoration:none;color:var(--ink)}
.list a:hover{background:#f8fafb}
.list a svg.sil{width:52px;height:40px;flex:none;color:var(--ink)}
.list .lt{flex:1;min-width:0}
.list .lt strong{display:block;font-size:1rem}
.list .lt span{display:block;font-size:.88rem;color:var(--muted)}
.list .chev{flex:none;color:#9aa8b5}
.lists{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;align-items:start}

.scope{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.scope .card{background:var(--surface);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-1)}
.scope ul{margin:0;padding-left:1.1em}
.scope li{margin:.3em 0}
.scope .card.out{background:#FBF6F5}
@media (max-width:700px){.scope{grid-template-columns:1fr}}

.request{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.request h2{margin:0 0 4px;font-size:1.45rem}
.request p{margin:0;color:#c9d4dd}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:var(--pill);min-height:44px}
.btn:hover{background:var(--teal-deep);color:#fff}
.request .btn{background:#fff;color:var(--ink)}
.request .btn:hover{background:var(--teal-soft);color:var(--ink)}
.plain-models{color:var(--muted);font-size:.95rem;margin-top:14px}

/* Guide (model) page */
.crumbs{font-size:.88rem;color:var(--muted);padding-top:18px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:#9aa8b5}
.crumbs a{color:var(--muted)}
.model-head{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:26px;margin:14px 0 0}
.model-head h1{font-size:clamp(1.8rem,4vw,2.6rem)}
.model-head .lede{color:var(--muted);font-size:1.06rem;margin-bottom:12px}
.model-head .art{background:var(--bg);border-radius:var(--r-md);padding:12px;color:var(--ink)}
.model-head .art svg{width:100%;height:170px;display:block}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.tags li{background:var(--bg);border-radius:var(--pill);padding:5px 12px;font-size:.86rem;font-weight:600}
@media (max-width:700px){.model-head{grid-template-columns:1fr;padding:20px}.model-head .art{order:-1}.model-head .art svg{height:130px}}

.tabs{position:sticky;top:60px;z-index:40;background:var(--bg);padding:12px 0;margin-top:8px}
.tabs ul{display:flex;gap:6px;list-style:none;margin:0;padding:4px;overflow-x:auto;background:var(--surface);border-radius:var(--pill);box-shadow:var(--shadow-1);scrollbar-width:none}
.tabs ul::-webkit-scrollbar{display:none}
.tabs a{display:block;white-space:nowrap;text-decoration:none;color:var(--muted);font-weight:600;font-size:.92rem;padding:8px 14px;border-radius:var(--pill)}
.tabs a:hover{color:var(--ink);background:var(--bg)}
.tabs a.on{background:var(--ink);color:#fff}

.guide{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;padding-bottom:30px}
.block{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:26px}
.block > h2{margin-bottom:.4em}
.block p,.block li{max-width:72ch}
.block h3{margin-top:1.3em}
.steps{list-style:none;counter-reset:s;margin:12px 0 0;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 14px 48px;max-width:72ch}
.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;width:32px;height:32px;border-radius:50%;background:var(--teal-soft);color:var(--teal-deep);font-weight:800;display:grid;place-items:center;font-size:.95rem}
.safety{display:flex;gap:12px;align-items:flex-start;background:var(--tomato-soft);color:#5e1a0e;border-radius:var(--r-md);padding:14px 16px;margin:14px 0;max-width:72ch}
.safety svg{flex:none;width:22px;height:22px;color:var(--tomato);margin-top:2px}
.safety strong{color:var(--tomato)}
.note{background:var(--bg);border-radius:var(--r-md);padding:14px 16px;margin:14px 0;max-width:72ch}
.parts{display:grid;gap:10px;margin:12px 0}
.part{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;border:1.5px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.part .pn{font-weight:800;font-size:1.08rem;letter-spacing:.01em}
.part .pd{flex:1;min-width:200px;color:var(--muted);font-size:.95rem}
.part .pd b{color:var(--ink);font-weight:700}
.copy{border:1.5px solid var(--line);background:var(--surface);border-radius:var(--pill);font:600 .85rem var(--font);color:var(--ink);padding:6px 14px;cursor:pointer;min-height:34px}
.copy:hover{border-color:var(--teal);color:var(--teal-deep)}
.tools{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:8px 0 0;padding:0}
.tools li{background:var(--teal-soft);color:var(--teal-deep);font-weight:600;font-size:.9rem;padding:6px 14px;border-radius:var(--pill)}
.symptoms details{border:1.5px solid var(--line);border-radius:var(--r-md);margin:10px 0;background:var(--surface)}
.symptoms summary{cursor:pointer;padding:14px 16px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.symptoms summary::-webkit-details-marker{display:none}
.symptoms summary::after{content:"+";font-weight:800;color:var(--teal);font-size:1.2rem;line-height:1}
.symptoms details[open] summary::after{content:"\2212"}
.symptoms .ans{padding:0 16px 14px}
.symptoms .ans p:last-child,.symptoms .ans ol:last-child{margin-bottom:0}
.cmp{width:100%;border-collapse:collapse;font-size:.95rem;margin:10px 0}
.cmp th,.cmp td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp th{font-weight:700;background:var(--bg)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.src{font-size:.88rem;color:var(--muted)}
.src ul{padding-left:1.1em}
.related{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:10px 0 0;padding:0}
.related a{display:inline-block;background:var(--bg);text-decoration:none;color:var(--ink);font-weight:600;font-size:.92rem;padding:8px 14px;border-radius:var(--pill)}
.related a:hover{background:var(--teal-soft);color:var(--teal-deep)}
.prose{max-width:760px}
.prose .block p,.prose .block li{max-width:none}

/* Footer: two compact rows */
.foot{margin-top:30px;background:var(--surface);border-top:1px solid var(--line);font-size:.9rem}
.foot .row1{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;padding:18px 0 12px}
.foot .row1 nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.foot a{color:var(--ink);text-decoration:none;font-weight:600}
.foot a:hover{color:var(--teal)}
.foot .row2{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;padding:12px 0 22px;border-top:1px solid var(--line);color:var(--muted)}
.foot .row2 p{margin:0;max-width:760px}
.foot .brand{font-size:1rem}
.foot .brand svg{width:26px;height:26px}

.notfound{text-align:center;padding:60px 0}
.notfound svg{width:180px;height:140px;color:var(--ink)}
@media (max-width:480px){body{font-size:16px}.block{padding:20px}.picker{padding:16px}.tiles{grid-template-columns:repeat(2,1fr)}.wrap{padding:0 16px}}