:root{
  --navy:#102039;--navy2:#1b3157;--red:#d9252a;--red2:#b81d22;--ink:#243247;--muted:#5a6a80;
  --line:#dfe5ec;--bg:#f3f5f8;--card:#fff;--green:#24583a;--greenbg:#edf5ef;
  --r:14px;--shadow:0 10px 30px rgba(16,32,57,.12);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
[hidden]{display:none!important}

/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.top__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;min-width:0}
.brand__pg{height:46px;width:auto}
.brand__sep{width:1px;height:34px;background:var(--line)}
.brand__logos{display:flex;align-items:center;gap:12px}
.brand__fm{height:30px;width:auto}
.brand__aog{height:36px;width:auto}
.brand__text{color:var(--navy);font-size:15px;font-weight:700;line-height:1.1;white-space:nowrap}
.top__nav{display:flex;align-items:center;gap:10px}
.top__link{font-size:14px;font-weight:600;color:var(--navy);text-decoration:none;padding:9px 12px;border-radius:8px}
.top__link:hover{background:var(--bg)}
.top__call{font-size:14px;font-weight:700;color:#fff;background:var(--red);text-decoration:none;padding:9px 14px;border-radius:30px}
.top__call:hover{background:var(--red2)}

/* hero */
.hero{background:var(--navy);color:#fff;padding:48px 0 56px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(217,37,42,.35),rgba(217,37,42,0) 70%)}
.hero .wrap{position:relative;z-index:1}
.badge-pill{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:6px 12px;border-radius:30px}
.hero h1{font-size:40px;line-height:1.15;margin:16px 0 10px;max-width:760px}
.hero p{color:#c9d4e3;font-size:18px;margin:0 0 24px;max-width:640px}
.search{max-width:640px}
.search input{width:100%;font-size:17px;padding:16px 18px;border-radius:12px;border:0;outline:0;box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.search input:focus{box-shadow:0 0 0 3px var(--red)}
.search__results{max-width:640px;background:#fff;color:var(--ink);border-radius:12px;margin-top:8px;box-shadow:var(--shadow);overflow:hidden}
.sr{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);text-decoration:none;cursor:pointer}
.sr:last-child{border-bottom:0}
.sr:hover{background:var(--bg)}
.sr b{color:var(--navy)}
.sr small{color:var(--muted);display:block}
.sr__k{flex:0 0 auto;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#fff;background:var(--navy);padding:3px 8px;border-radius:20px}
.sr__k--part{background:var(--red)}

/* how to */
.howto{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:-28px 0 36px;position:relative;z-index:2}
.howto__step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;gap:14px;box-shadow:var(--shadow)}
.howto__step span{flex:0 0 34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.howto__step p{margin:0;font-size:14px;color:var(--muted)}
.howto__step strong{display:block;color:var(--navy);font-size:16px;margin-bottom:2px}

/* groups */
.group{margin:0 0 40px}
.group h2{font-size:22px;color:var(--navy);margin:0 0 4px}
.group__sub{color:var(--muted);margin:0 0 16px;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s,border-color .15s}
.mcard:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c9d4e3}
.mcard__img{aspect-ratio:4/3;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden}
.mcard__img img{width:100%;height:100%;object-fit:contain;padding:10px;mix-blend-mode:multiply}
.mcard__body{padding:12px 14px;border-top:1px solid var(--line)}
.mcard__body b{display:block;color:var(--navy);font-size:15px;line-height:1.3}
.mcard__body small{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.8px}

/* not sure */
.notsure{display:flex;gap:24px;align-items:center;justify-content:space-between;background:var(--bg);border-radius:var(--r);padding:26px;margin:10px 0 50px}
.notsure h2{margin:0 0 6px;color:var(--navy);font-size:21px}
.notsure p{margin:0;color:var(--muted);font-size:15px;max-width:640px}
.notsure__btns{display:flex;gap:10px;flex:0 0 auto}
.btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;text-decoration:none;font-weight:700;border-radius:10px;padding:12px 18px;font-size:15px;line-height:1.25;border:2px solid var(--navy);min-width:170px;cursor:pointer}
.btn small{font-weight:400;font-size:12px;opacity:.85}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy2)}
.btn--red{background:var(--red);border-color:var(--red);color:#fff}
.btn--red:hover{background:var(--red2);border-color:var(--red2)}
.btn--ghost{background:#fff;color:var(--navy)}
.btn--ghost:hover{background:var(--bg)}

/* diagram view */
.crumbs{display:flex;gap:10px;align-items:center;margin:20px 0 6px;font-size:14px;color:var(--muted)}
.crumbs a{color:var(--navy);font-weight:700;text-decoration:none}
.crumbs span:before{content:"/";margin-right:10px;color:#b8c3d1}
.dhead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.dhead h1{margin:0;color:var(--navy);font-size:30px;line-height:1.2}
.dhead__sub{margin:6px 0 0;color:var(--muted);font-size:15px}
.tag{display:inline-block;background:var(--red);color:#fff;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:3px 9px;border-radius:20px;margin-right:6px;vertical-align:1px}
.dhead__tools{display:flex;gap:6px;align-items:center}
.tool{background:#fff;border:1px solid var(--line);border-radius:8px;height:36px;min-width:36px;padding:0 10px;font-size:15px;font-weight:700;color:var(--navy);cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.tool:hover{background:var(--bg)}
.tool--toggle{font-weight:600;font-size:14px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;margin-bottom:50px;align-items:start}
.stage{border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:auto;max-height:calc(100vh - 110px);position:relative;-webkit-overflow-scrolling:touch}
.canvas{position:relative;width:100%;transform-origin:0 0}
.canvas img{display:block;width:100%;height:auto;user-select:none;-webkit-user-drag:none}
#dots{position:absolute;inset:0}
.dot{position:absolute;transform:translate(-50%,-50%);width:22px;height:22px;border-radius:50%;background:var(--red);border:4px solid rgba(255,255,255,.75);box-shadow:0 0 0 0 rgba(217,37,42,.6);cursor:pointer;padding:0;animation:pulse 2.4s infinite;z-index:2}
.dot:hover,.dot.is-on{background:var(--navy);animation:none;box-shadow:0 0 0 6px rgba(16,32,57,.18);z-index:4}
.dot__lbl{position:absolute;left:16px;top:10px;white-space:nowrap;background:rgba(16,32,57,.88);color:#fff;font-size:11px;font-weight:700;line-height:1.2;padding:3px 7px;border-radius:6px;pointer-events:none;max-width:160px;overflow:hidden;text-overflow:ellipsis}
.dot--l .dot__lbl{left:auto;right:16px}
.nolabels .dot__lbl{display:none}
.dot:hover .dot__lbl,.dot.is-on .dot__lbl{display:block;background:var(--red)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(217,37,42,.55)}70%{box-shadow:0 0 0 12px rgba(217,37,42,0)}100%{box-shadow:0 0 0 0 rgba(217,37,42,0)}}

.plist{border:1px solid var(--line);border-radius:var(--r);background:#fff;position:sticky;top:84px;max-height:calc(100vh - 110px);display:flex;flex-direction:column;overflow:hidden}
.plist__head{padding:14px;border-bottom:1px solid var(--line);background:var(--bg)}
.plist__head h2{font-size:16px;margin:0 0 10px;color:var(--navy)}
.plist__head input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
#plist{list-style:none;margin:0;padding:0;overflow:auto}
.pi{display:flex;gap:10px;align-items:flex-start;padding:11px 14px;border-bottom:1px solid #eef1f5;cursor:pointer}
.pi:hover,.pi.is-on{background:#fff4f4}
.pi__n{flex:0 0 26px;height:26px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:1px}
.pi__t{flex:1;min-width:0}
.pi__t b{display:block;font-size:14px;color:var(--navy);line-height:1.3}
.pi__t small{color:var(--muted);font-size:12px}
.pi__go{flex:0 0 auto;font-size:12px;font-weight:700;color:var(--green);background:var(--greenbg);padding:3px 8px;border-radius:20px;margin-top:2px}
.pi__go--ask{color:var(--muted);background:#eef1f5}

/* popup */
.pop{position:fixed;inset:0;background:rgba(16,32,57,.55);z-index:60;display:flex;align-items:center;justify-content:center;padding:16px}
.pop__card{background:#fff;border-radius:16px;max-width:480px;width:100%;padding:24px;box-shadow:var(--shadow);position:relative;animation:popin .18s ease-out}
@keyframes popin{from{transform:translateY(10px);opacity:0}to{transform:none;opacity:1}}
.pop__x{position:absolute;top:10px;right:12px;border:0;background:var(--bg);width:34px;height:34px;border-radius:50%;font-size:22px;line-height:1;color:var(--navy);cursor:pointer}
.pop__pn{margin:0;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--red)}
.pop__pn span{color:var(--red)}
.pop h3{margin:6px 40px 10px 0;color:var(--navy);font-size:21px;line-height:1.3}
.pop__note{background:#fff8ef;border-left:4px solid var(--red);padding:10px 12px;border-radius:0 8px 8px 0;font-size:14px;margin:0 0 14px}
.pop__btns{display:flex;flex-direction:column;gap:8px;margin:14px 0 12px}
.pop__btns .btn{width:100%}
.pop__help{font-size:13px;color:var(--muted);margin:0}
.pop__help a{color:var(--navy);font-weight:700}

/* about + siblings */
.about{max-width:860px;margin:0 0 28px}
.about h2,.sibs h2{font-size:20px;color:var(--navy);margin:0 0 8px}
.about p{color:var(--muted);margin:0}
.sibs{margin:0 0 40px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:30px;text-decoration:none;font-size:14px;font-weight:600;color:var(--navy);background:#fff}
.chip:hover{border-color:var(--red);color:var(--red)}
.pi__full{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
a.pi__go{text-decoration:none}
a.pi__go:hover{background:var(--green);color:#fff}
.canvas{margin:0}

/* footer */
.notsure-wrap{background:#fff}
.foot{background:#141414;color:#c9c9c9;padding:36px 0 26px;font-size:14px}
.foot p{margin:0 0 6px}
.foot h3{color:#fff;font-size:15px;margin:0 0 8px}
.foot a{color:#fff;font-weight:600}
.foot__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px;margin-bottom:26px}
.foot__logo{display:inline-block;background:#fff;border-radius:10px;padding:8px 12px;margin-bottom:10px}
.foot__logo img{height:44px;width:auto;display:block}
.foot__legal{list-style:none;margin:0 0 16px;padding:18px 0 0;border-top:1px solid #2a2a2a;display:flex;flex-wrap:wrap;gap:8px 0}
.foot__legal li{padding:0 18px;border-left:1px solid #3a3a3a;line-height:1.2}
.foot__legal li:first-child{padding-left:0;border-left:0}
.foot__legal a{font-weight:500;text-decoration:none;color:#e6e6e6;font-size:14px}
.foot__legal a:hover{text-decoration:underline}
.foot__small{font-size:12px;opacity:.7}

@media (max-width:980px){
  .layout{grid-template-columns:1fr}
  .plist{position:static;max-height:none}
  #plist{max-height:none}
  .stage{max-height:none}
}
@media (max-width:720px){
  .top__link{display:none}
  .brand{gap:10px}
  .brand__pg{height:34px}
  .brand__fm{height:18px}
  .brand__aog{height:22px}
  .brand__logos{gap:8px}
  .bpick{grid-template-columns:1fr 1fr}
  .bpick__btn:first-child{grid-column:1/-1;min-height:52px}
  .brand__sep{height:26px}
  .brand__text{display:none}
  .top__num{display:none}
  .top__call{white-space:nowrap}
  .foot__grid{grid-template-columns:1fr}
  .hero{padding:32px 0 44px}
  .hero h1{font-size:28px}
  .hero p{font-size:16px}
  .howto{grid-template-columns:1fr;margin-top:-24px}
  .notsure{flex-direction:column;align-items:stretch}
  .notsure__btns{flex-direction:column}
  .dhead h1{font-size:24px}
  .dot{width:18px;height:18px;border-width:3px}
  .dot__lbl{display:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
}

/* brand picker */
.bpick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:640px;margin:0 0 16px}
.bpick__btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:84px;padding:12px;border-radius:12px;border:2px solid transparent;background:#fff;cursor:pointer;font:inherit;color:var(--navy)}
.bpick__btn img{height:34px;width:auto;max-width:100%}
.bpick__btn small{font-size:12px;color:var(--muted);font-weight:600}
.bpick__all{font-size:15px;font-weight:800;line-height:1.2;text-align:center}
.bpick__btn:hover{border-color:#c9d4e3}
.bpick__btn.is-on{border-color:var(--red);box-shadow:0 0 0 3px rgba(217,37,42,.25)}
.hero--img{background-color:var(--navy);background-size:cover;background-position:center right}
.hero--img:after{display:none}
@media (max-width:720px){.hero--img{background-image:none!important;background:linear-gradient(rgba(16,32,57,.88),rgba(16,32,57,.88)),url('https://cdn.shopify.com/s/files/1/0274/8524/1443/files/aog-and_fire-magic.jpg?v=1792263385&width=800') center/cover!important}}
@media (max-width:720px){
  .bpick{grid-template-columns:1fr 1fr}
  .bpick__btn{min-height:76px}
  .bpick__btn:first-child{grid-column:1/-1;min-height:52px;flex-direction:row;gap:10px}
}
/* ---- zoom toolbar right above the parts list */
.dbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 10px}
.dbar__t{margin:0;font-size:20px;color:var(--navy)}
.dbar .dhead__tools .tool{height:34px;min-width:34px;font-size:14px}
.pi--alt .pi__n{background:transparent;color:var(--muted);font-size:11px;font-weight:700;border:1px dashed var(--line)}
@media (max-width:720px){.dbar{flex-direction:column;align-items:flex-start}}