/* PEB solution page + IFC viewer (loaded only on /peb-solution) */

/* stats strip */
.peb-stats{background:var(--navy-d);color:#fff;border-bottom:3px solid var(--gold)}
.peb-stats__in{display:grid;grid-template-columns:repeat(4,1fr)}
.peb-stats__in>div{padding:26px 22px;border-left:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:2px}
.peb-stats__in>div:first-child{border-left:0;padding-left:0}
.peb-stats b{font:600 clamp(26px,3vw,36px)/1.05 var(--f-head);color:var(--gold-l);letter-spacing:.01em}
.peb-stats span{font-size:14px;color:#B7C3D3;line-height:1.35}

/* model section */
.peb-model .shead{max-width:900px}
.pebv-host{position:relative;min-height:620px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.pebv__poster{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:10px;color:var(--mute);background:linear-gradient(180deg,#F7F9FC,#E9EEF5)}
.pebv__poster .ic{width:54px;height:54px;color:var(--steel)}
.pebv{display:grid;grid-template-columns:minmax(0,1fr) 340px;min-height:620px}
.pebv__stage{position:relative;min-height:620px;background:radial-gradient(120% 100% at 50% 0%,#FFFFFF 0%,#EEF2F7 60%,#E2E8F0 100%)}
.pebv__canvas{position:absolute;inset:0}
.pebv__canvas canvas{display:block;width:100%;height:100%;touch-action:none}
.pebv__loader{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:12px;background:rgba(244,246,250,.92);z-index:5;transition:opacity .5s;color:var(--ink-2);text-align:center;padding:20px}
.pebv__loader.is-done{opacity:0;pointer-events:none}
.pebv__spin{width:42px;height:42px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--red);animation:pebspin 1s linear infinite}
@keyframes pebspin{to{transform:rotate(360deg)}}
.pebv__bar{width:220px;height:4px;background:var(--line);border-radius:4px;overflow:hidden}
.pebv__bar i{display:block;height:100%;width:3%;background:linear-gradient(90deg,var(--red),var(--gold));transition:width .3s}
.pebv__tools{position:absolute;top:14px;left:14px;right:14px;display:flex;flex-wrap:wrap;gap:8px;z-index:3;pointer-events:none}
.pebv__btn{pointer-events:auto;display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 13px;border:1px solid var(--line);background:rgba(255,255,255,.94);color:var(--navy);border-radius:8px;font:600 13px/1 var(--f-body);cursor:pointer;text-decoration:none;box-shadow:0 2px 8px -4px rgba(0,36,74,.3);transition:background .2s,color .2s,border-color .2s}
.pebv__btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pebv__btn:hover{border-color:var(--navy)}
.pebv__btn.is-on{background:var(--navy);color:#fff;border-color:var(--navy)}
.pebv__btn--fs{margin-left:auto}
.pebv__btn--fs.is-on{background:var(--red);border-color:var(--red);color:#fff}
.pebv__tip{position:absolute;z-index:4;pointer-events:none;background:var(--navy);color:#fff;font-size:12.5px;padding:5px 9px;border-radius:6px;opacity:0;transform:translateY(4px);transition:opacity .15s,transform .15s;white-space:nowrap}
.pebv__tip.is-on{opacity:1;transform:none}
.pebv__tour{position:absolute;left:14px;right:14px;bottom:14px;z-index:3;display:flex;align-items:center;gap:12px;background:rgba(0,36,74,.94);color:#fff;border-radius:12px;padding:10px 12px;box-shadow:var(--sh)}
.pebv__tour:empty{display:none}
.pebv__tbody{flex:1;display:flex;gap:12px;align-items:center;min-width:0}
.pebv__tnum{font:700 18px/1 var(--f-head);color:var(--gold-l);min-width:0}
.pebv__tnum:empty{display:none}
.pebv__ttl{display:block;font:600 16px/1.2 var(--f-head);letter-spacing:.02em;color:#fff}
.pebv__ttx{margin:2px 0 0;font-size:13.5px;line-height:1.45;color:#C5D0DD}
.pebv__tbtn{flex:none;height:38px;min-width:38px;padding:0 12px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:8px;font:600 14px/1 var(--f-body);cursor:pointer}
.pebv__tbtn--go{background:var(--red);border-color:var(--red)}
.pebv__tour:not(.is-active) [data-t=prev]{display:none}
.pebv__side{border-left:1px solid var(--line);background:#fff;display:flex;flex-direction:column;max-height:620px;overflow:auto}
.pebv__sec{padding:16px 18px;border-bottom:1px solid var(--line)}
.pebv__sec h4{margin:0 0 10px;font:600 13px/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.pebv__presets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.pebv__chip{border:1px solid var(--line);background:var(--tint);color:var(--ink);border-radius:20px;padding:5px 11px;font:500 12.5px/1.2 var(--f-body);cursor:pointer}
.pebv__chip.is-on{background:var(--red);border-color:var(--red);color:#fff}
.pebv__legend{list-style:none;margin:0;padding:0;display:grid;gap:1px}
.pebv__li{display:flex;align-items:center;justify-content:space-between;gap:6px}
.pebv__li label{display:flex;align-items:center;gap:8px;flex:1;cursor:pointer;font-size:13.5px;line-height:1.3;padding:4px 0;color:var(--ink)}
.pebv__li input{accent-color:var(--navy);margin:0}
.pebv__li i{width:12px;height:12px;border-radius:3px;flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.pebv__li em{margin-left:auto;font-style:normal;font-size:12px;color:var(--mute)}
.pebv__li small{font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);background:var(--tint);border-radius:4px;padding:2px 5px;white-space:nowrap}
.pebv__info{flex:1;border-bottom:0}
.pebv__hint{margin:0;font-size:13.5px;color:var(--mute);line-height:1.5}
.pebv__cat{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.pebv__cat::before{content:"";width:10px;height:10px;border-radius:2px;background:var(--c)}
.pebv__card h5{margin:6px 0 2px;font:600 18px/1.2 var(--f-head);color:var(--navy)}
.pebv__cls{margin:0 0 8px;font-size:11.5px;color:var(--mute);word-break:break-all}
.pebv__desc{margin:0 0 10px;font-size:13.5px;line-height:1.5;color:var(--ink-2)}
.pebv__props{width:100%;border-collapse:collapse;font-size:12.5px;line-height:1.4}
.pebv__props th,.pebv__props td{padding:6px 0;border-top:1px solid var(--line);vertical-align:top;text-align:left}
.pebv__props th{width:34%;padding-right:10px;color:var(--mute);font-weight:500}
.pebv__props td{color:var(--ink)}
.pebv:fullscreen{background:#fff;grid-template-columns:minmax(0,1fr) 360px}
.pebv:fullscreen .pebv__stage,.pebv:fullscreen .pebv__side{min-height:100vh;max-height:100vh}

.peb-specs{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;margin:18px 0 0;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.peb-specs div{background:#fff;padding:14px 16px}
.peb-specs dt{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.peb-specs dd{margin:4px 0 0;font:600 16px/1.3 var(--f-head);color:var(--navy)}
.peb-note{margin:12px 0 0;font-size:14px;color:var(--mute)}

/* anatomy cards */
.peb-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.peb-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px 20px;transition:border-color .25s,box-shadow .25s,transform .25s}
.peb-card:hover{border-color:var(--red);box-shadow:var(--sh);transform:translateY(-3px)}
.peb-card__ic{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;background:rgba(196,29,48,.08);color:var(--red);margin-bottom:14px}
.peb-card__ic .ic{width:24px;height:24px}
.peb-card h3{margin:0 0 8px;font-size:21px}
.peb-card>p{margin:0 0 14px;font-size:15px;line-height:1.55}
.peb-card dl{margin:0 0 16px;display:grid;gap:6px;font-size:13.5px;line-height:1.4}
.peb-card dl div{display:grid;grid-template-columns:88px 1fr;gap:8px;border-top:1px dashed var(--line);padding-top:6px}
.peb-card dt{color:var(--mute)}
.peb-card dd{margin:0;color:var(--ink);font-weight:500}
.peb-card__go{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font:600 14px/1 var(--f-body);color:var(--red);text-decoration:none}
.peb-card__go .ic{width:18px;height:18px}
.peb-card__go:hover{text-decoration:underline}

/* comparison */
.peb-table{border:1px solid rgba(255,255,255,.12);border-radius:var(--r);overflow:hidden}
.peb-table__row{display:grid;grid-template-columns:1fr 1.5fr 1.5fr;border-top:1px solid rgba(255,255,255,.1)}
.peb-table__row:first-child{border-top:0}
.peb-table__row>span{padding:15px 20px;font-size:15px;line-height:1.5;color:#C5D0DD}
.peb-table__row>span:first-child{font:600 16px/1.35 var(--f-head);color:#fff;letter-spacing:.02em}
.peb-table__head>span{font:600 14px/1.2 var(--f-head)!important;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-l)!important;background:rgba(255,255,255,.04)}
.peb-table .is-ours{display:flex;gap:10px;align-items:flex-start;background:rgba(196,29,48,.14);color:#fff}
.peb-table .is-ours .ic{width:18px;height:18px;flex:none;color:var(--gold-l);margin-top:3px}

/* systems */
.peb-sys{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.peb-sys__it{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff}
.peb-sys__it svg{width:96px;height:72px;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:10px}
.peb-sys__it svg .g{stroke:var(--gold)}
.peb-sys__it h3{margin:0 0 6px;font-size:20px}
.peb-sys__it p{margin:0;font-size:15px;line-height:1.55}

/* standards */
.peb-std__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.peb-std__g{background:#fff;border-radius:var(--r);border-top:3px solid var(--red);padding:22px 22px 10px;box-shadow:0 1px 0 var(--line)}
.peb-std__g h3{margin:0 0 12px;font-size:20px}
.peb-std__g ul{list-style:none;margin:0;padding:0}
.peb-std__g li{display:flex;flex-direction:column;gap:2px;padding:10px 0;border-top:1px solid var(--line)}
.peb-std__g li b{font:600 15.5px/1.3 var(--f-head);color:var(--navy);letter-spacing:.01em}
.peb-std__g li span{font-size:14px;line-height:1.45;color:var(--ink-2)}

/* inputs / deliverables */
.peb-io__in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px)}
.peb-io .shead{margin-bottom:24px}
.peb-num{margin:0;padding:0;list-style:none;counter-reset:n;display:grid;gap:10px}
.peb-num li{counter-increment:n;display:flex;gap:14px;align-items:flex-start;padding:12px 16px;background:var(--tint);border-radius:10px;font-size:15.5px;line-height:1.5}
.peb-num li::before{content:counter(n);flex:none;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font:600 14px/1 var(--f-head)}
.peb-deliv{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.peb-deliv li{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:14px}
.peb-deliv .ic{width:22px;height:22px;flex:none;color:var(--red);margin-top:2px}
.peb-deliv b{display:block;font:600 16px/1.3 var(--f-head);color:var(--navy)}
.peb-deliv span{font-size:14px;line-height:1.45;color:var(--ink-2)}

/* flow */
.peb-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:s}
.peb-steps li{position:relative;background:#fff;border-radius:var(--r);padding:20px 18px;border:1px solid var(--line)}
.peb-steps b{font:700 30px/1 var(--f-head);color:var(--gold)}
.peb-steps h3{margin:10px 0 6px;font-size:18px}
.peb-steps p{margin:0;font-size:14px;line-height:1.5}

@media (max-width:1180px){
  .peb-cards{grid-template-columns:repeat(2,1fr)}
  .peb-specs{grid-template-columns:repeat(3,1fr)}
  .peb-steps{grid-template-columns:repeat(3,1fr)}
  .pebv{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:960px){
  .pebv{grid-template-columns:1fr}
  .pebv__stage{min-height:min(78vh,560px)}
  .pebv__side{border-left:0;border-top:1px solid var(--line);max-height:none}
  .pebv-host,.pebv{min-height:0}
  .pebv__legend{grid-template-columns:1fr 1fr;column-gap:14px}
  .peb-std__grid,.peb-sys{grid-template-columns:1fr 1fr}
  .peb-io__in{grid-template-columns:1fr}
  .peb-stats__in{grid-template-columns:repeat(2,1fr)}
  .peb-stats__in>div:nth-child(3){border-left:0;padding-left:0}
  .peb-stats__in>div{padding:18px 16px}
}
@media (max-width:760px){
  .pebv__btn span{display:none}
  .pebv__btn{padding:0 10px}
  .pebv.is-fs .pebv__btn--fs span{display:inline}
  .pebv__ttx{font-size:12.5px}
  .pebv__tour{left:8px;right:8px;bottom:8px;padding:8px}
  .pebv__tools{top:8px;left:8px;right:8px}
  .pebv__legend{grid-template-columns:1fr 1fr;column-gap:10px}
  .pebv__li label{font-size:12.5px}
  .pebv__li small{display:none}
  .peb-cards,.peb-std__grid,.peb-sys,.peb-deliv{grid-template-columns:1fr}
  .peb-specs{grid-template-columns:1fr 1fr}
  .peb-steps{grid-template-columns:1fr 1fr}
  .peb-table__row{grid-template-columns:1fr}
  .peb-table__head{display:none}
  .peb-table__row>span{padding:10px 16px}
  .peb-table__row>span:first-child{padding-top:16px;background:rgba(255,255,255,.04)}
  .peb-table__row>span:last-child::before{content:"vs  ";color:var(--mute)}
}

/* selected-member card (overlay on the 3D stage) */
.pebv__pop{position:absolute;top:62px;right:14px;width:340px;max-width:calc(100% - 28px);max-height:calc(100% - 150px);overflow:auto;z-index:4;background:rgba(255,255,255,.97);border:1px solid var(--line);border-top:3px solid var(--red);border-radius:12px;box-shadow:var(--sh-lg);padding:16px 18px;opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .2s,transform .2s}
.pebv__pop.is-on{opacity:1;transform:none;pointer-events:auto}
.pebv__x{position:absolute;top:8px;right:8px;width:28px;height:28px;border:0;border-radius:50%;background:var(--tint);color:var(--ink);font-size:18px;line-height:1;cursor:pointer}
.pebv__side .pebv__hint{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}
@media (max-width:760px){.pebv__pop{top:auto;bottom:96px;left:8px;right:8px;width:auto;max-height:55%}}

/* tools panel */
.pebv__panel{position:absolute;top:62px;left:14px;z-index:4;width:290px;max-width:calc(100% - 28px);max-height:calc(100% - 140px);overflow:auto;background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-lg);padding:4px 16px 14px}
.pebv__ph{display:flex;justify-content:space-between;align-items:center;padding:10px 0 6px;position:sticky;top:0;background:inherit}
.pebv__ph b{font:600 15px/1 var(--f-head);letter-spacing:.06em;text-transform:uppercase;color:var(--navy)}
.pebv__ph .pebv__x{position:static}
.pebv__grp{padding:8px 0;border-top:1px solid var(--line);display:grid;gap:8px}
.pebv__grp h6{margin:0;font:600 11.5px/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.pebv__seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.pebv__seg button{flex:1;border:0;border-left:1px solid var(--line);background:#fff;color:var(--ink);font:500 12.5px/1 var(--f-body);padding:8px 4px;cursor:pointer}
.pebv__seg button:first-child{border-left:0}
.pebv__seg button.is-on{background:var(--navy);color:#fff}
.pebv__row{display:flex;flex-wrap:wrap;gap:6px}
.pebv__tb{border:1px solid var(--navy);background:#fff;color:var(--navy);border-radius:7px;font:600 12.5px/1 var(--f-body);padding:8px 10px;cursor:pointer}
.pebv__tb.is-on{background:var(--red);border-color:var(--red);color:#fff}
.pebv__tb--ghost{border-color:var(--line);color:var(--ink-2)}
.pebv__tb:disabled{opacity:.4;cursor:not-allowed}
.pebv__sw{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);cursor:pointer}
.pebv__sw input{accent-color:var(--red);margin:0}
.pebv__rng{display:grid;gap:4px;font-size:12.5px;color:var(--ink-2)}
.pebv__rng input{width:100%;accent-color:var(--red)}
.pebv__small{margin:0;font-size:12px;color:var(--mute);line-height:1.4}
.pebv__key{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--ink-2)}
.pebv__key i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.pebv__seg button:focus-visible,.pebv__tb:focus-visible,.pebv__btn:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.pebv__mlabel{position:absolute;z-index:3;transform:translate(-50%,-130%);pointer-events:none;background:var(--red);color:#fff;border-radius:8px;padding:5px 9px;text-align:center;white-space:nowrap;box-shadow:var(--sh)}
.pebv__mlabel b{display:block;font:700 16px/1.1 var(--f-head)}
.pebv__mlabel span{font-size:10.5px;opacity:.9}

/* full screen (native :fullscreen or CSS fallback .pebv--fs) */
.pebv.is-fs{position:fixed;inset:0;z-index:9999;width:100vw;height:100vh;height:100dvh;border-radius:0;border:0;background:#fff;grid-template-columns:minmax(0,1fr) 340px;max-height:none}
.pebv.is-fs .pebv__stage{min-height:0;height:100%}
.pebv.is-fs .pebv__side{max-height:none;height:100%}
html.pebv-lock,html.pebv-lock body{overflow:hidden}
@media (max-width:960px){
  .pebv.is-fs{grid-template-columns:1fr;grid-template-rows:1fr}
  .pebv.is-fs .pebv__side{display:none}
}
@media (max-width:760px){
  .pebv__panel{top:auto;bottom:86px;left:8px;right:8px;width:auto;max-height:60%}
  .pebv.is-fs .pebv__tools{top:max(8px,env(safe-area-inset-top));}
}
/* "What is a PEB" – factory photo under the heading */
.peb-intro__fig{margin:clamp(22px,3vw,34px) 0 0;position:relative;border-radius:var(--r,6px);overflow:hidden;box-shadow:0 18px 40px -22px rgba(0,36,74,.45)}
.peb-intro__fig img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.peb-intro__fig::before{content:"";position:absolute;left:0;top:0;width:56px;height:4px;background:var(--red,#C41D30);z-index:1}
.peb-intro__fig figcaption{position:absolute;left:0;right:0;bottom:0;display:flex;gap:8px;align-items:flex-start;padding:28px 16px 12px;font-size:.82rem;line-height:1.45;color:#fff;background:linear-gradient(transparent,rgba(0,20,42,.82))}
.peb-intro__fig figcaption svg{flex:none;width:15px;height:15px;margin-top:2px;color:var(--gold,#CC992B)}