/* Excelo calculators: shared skin. Loads AFTER /css/styles.css (site navbar, footer, fonts). */
:root{--navy:#0f172a;--navy2:#1e293b;--cyan:#1ac8db;--cyan-d:#0e9fb0;--ink:#1e293b;--soft:#64748b;--bg:#f8fafc;--line:#e2e8f0;--ok:#15803d;--warn:#b45309;--bad:#b91c1c;--r:12px}
body.calc{background:var(--bg);color:var(--ink);padding-top:80px}
@media(max-width:768px){body.calc{padding-top:64px}}
.calc-hero{background:linear-gradient(150deg,#0f172a 0%,#13294a 60%,#0e3a52 100%);color:#fff;padding:52px 0 44px;position:relative;overflow:hidden}
.calc-hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center}
.calc-hero h1{font-size:2.3rem;font-weight:800;line-height:1.15;margin:0 0 12px;letter-spacing:-.5px;color:#fff}
.calc-hero p{color:rgba(248,250,252,.82);font-size:1.05rem;line-height:1.6;max-width:62ch;margin:0}
.calc-hero .kick{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.calc-hero img{width:100%;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.calc-hero .crumbs{font-size:.8rem;color:rgba(248,250,252,.6);margin-bottom:8px}
.calc-hero .crumbs a{color:rgba(248,250,252,.75)}
@media(max-width:860px){.calc-hero .wrap{grid-template-columns:1fr}.calc-hero img{display:none}.calc-hero h1{font-size:1.7rem}}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
main.calc-main{padding:28px 0 40px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:22px;align-items:start}
@media(max-width:860px){.grid2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.card h2{font-size:1.1rem;font-weight:800;margin:0 0 14px;color:var(--navy)}
.card h2 .n{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font-size:.8rem;margin-right:8px}
.q{display:block;font-weight:700;font-size:.9rem;margin:18px 0 8px;color:var(--navy)}
.q:first-of-type{margin-top:4px}
.q small{display:block;font-weight:400;color:var(--soft);font-size:.78rem;margin-top:2px}
/* icon tiles (radio) */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px}
.tiles.wide{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.tile{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;padding:10px 8px 9px;border:1.5px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--soft);transition:border-color .15s,box-shadow .15s,color .15s,transform .15s;user-select:none}
.tile input{position:absolute;opacity:0;pointer-events:none}
.tile svg{width:52px;height:44px;color:#475569;transition:color .15s}
.tile b{font-size:.8rem;font-weight:700;color:var(--navy);line-height:1.2}
.tile small{font-size:.68rem;line-height:1.25;color:var(--soft)}
.tile:hover{border-color:#94a3b8;transform:translateY(-1px)}
.tile.on,.tile:has(input:checked){border-color:var(--cyan);box-shadow:0 0 0 3px rgba(26,200,219,.22);background:#f0fbfd}
.tile.on svg,.tile:has(input:checked) svg{color:var(--cyan-d)}
.tile.on b,.tile:has(input:checked) b{color:#0b5f6a}
.tile input:focus-visible~svg{outline:2px solid var(--cyan);outline-offset:6px;border-radius:6px}
/* chips (checkbox) */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--line);border-radius:999px;padding:6px 12px 6px 8px;font-size:.8rem;font-weight:600;color:var(--ink);cursor:pointer;background:#fff;transition:all .15s}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip svg{width:30px;height:25px;color:#64748b}
.chip:has(input:checked),.chip.on{border-color:var(--cyan);background:#f0fbfd;box-shadow:0 0 0 3px rgba(26,200,219,.18)}
.chip:has(input:checked) svg,.chip.on svg{color:var(--cyan-d)}
/* numbers / sliders */
.num{display:flex;align-items:center;gap:8px}
.num input[type=number]{width:120px;padding:9px 10px;border:1.5px solid var(--line);border-radius:8px;font:inherit;font-size:.95rem;color:var(--ink)}
.num input[type=number]:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(26,200,219,.2)}
.num .unit{color:var(--soft);font-size:.85rem}
input[type=range]{width:100%;accent-color:var(--cyan)}
.rangev{display:flex;justify-content:space-between;font-size:.78rem;color:var(--soft)}
.rangev b{color:var(--navy);font-size:.95rem}
.text{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:8px;font:inherit;font-size:.95rem}
.text:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(26,200,219,.2)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--cyan);color:var(--navy);font-weight:700;border:0;border-radius:8px;padding:10px 16px;cursor:pointer;font:inherit;font-size:.9rem}
.btn:hover{background:var(--cyan-d);color:#fff}
.btn.ghost{background:#fff;border:1.5px solid var(--line);color:var(--navy)}
/* results */
.res .big{display:flex;align-items:baseline;gap:14px;margin:0 0 8px}
.res .big b{font-size:2.8rem;font-weight:800;line-height:1;color:var(--navy);letter-spacing:-1px}
.res .big .t{font-weight:700}
.res .big .d{font-size:.82rem;color:var(--soft)}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.pill.low,.pill.ok{background:#dcfce7;color:var(--ok)}.pill.med,.pill.cond{background:#fef3c7;color:var(--warn)}.pill.high,.pill.no{background:#fee2e2;color:var(--bad)}.pill.auto{background:#e0f7fa;color:#0b5f6a}
.types{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.t{border:1px solid var(--line);border-radius:10px;padding:10px;font-size:.78rem;color:var(--soft)}
.t b{display:block;font-size:.9rem;color:var(--navy);margin-bottom:2px}
.t.rec{border-color:var(--cyan);box-shadow:0 0 0 2px rgba(26,200,219,.25);background:#f0fbfd}
.t.no{opacity:.45}
.t .st{display:block;font-weight:800;font-size:.66rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}
.rec-box{background:#f0fbfd;border:1px solid #bfeff5;border-radius:10px;padding:12px 14px;margin:10px 0;font-size:.92rem}
ul.notes{padding-left:18px;margin:8px 0 0;font-size:.86rem}
ul.notes li{margin:5px 0}
.kv{width:100%;border-collapse:collapse;font-size:.86rem;margin:8px 0}
.kv th,.kv td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.kv th{font-weight:700;color:var(--navy);background:#f8fafc;white-space:nowrap}
.kv td.v{font-weight:700;color:var(--navy)}
.kv tr.hit td{background:#ecfdf5}
.kv tr.miss td{color:#94a3b8}
.kv tr.sel td{background:#f0fbfd}
.disc{font-size:.76rem;color:var(--soft);margin-top:12px}
/* 3D viewer */
.v3card{padding:0;overflow:hidden;margin-bottom:22px}
.v3head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px 0;gap:10px;flex-wrap:wrap}
.v3head h2{margin:0}
.v3head span{font-size:.76rem;color:var(--soft)}
.v3{position:relative;height:520px;background:radial-gradient(ellipse at 50% 35%,#ffffff 0%,#eef1f4 55%,#e1e6eb 100%);touch-action:none}
@media(max-width:640px){.v3{height:380px}}
.v3 canvas{width:100%;height:100%;display:block}
.v3 .lbls{position:absolute;inset:0;pointer-events:none;font-size:11px;font-weight:700;color:var(--navy)}
.v3 .lbl{position:absolute;transform:translate(-50%,-130%);white-space:nowrap;background:rgba(255,255,255,.93);box-shadow:0 4px 14px rgba(15,23,42,.14);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.v3 .lbl.dim{background:rgba(15,23,42,.88);color:#fff;border-color:transparent;font-weight:600;font-variant-numeric:tabular-nums}
.v3 .legend{position:absolute;left:16px;bottom:12px;font-size:.76rem;color:#475569;line-height:1.8;background:rgba(255,255,255,.6);padding:4px 10px;border-radius:8px}
.v3 .legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin:0 4px 0 8px;vertical-align:-1px}
.v3 .legend i:first-child{margin-left:0}
.v3 .views{position:absolute;right:12px;top:12px;display:flex;gap:6px}
.v3 .views button{font:inherit;font-size:.72rem;font-weight:700;background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:6px;padding:4px 8px;cursor:pointer;color:var(--navy)}
.v3 .views button:hover{border-color:var(--cyan)}
/* CTA, article */
.cta{background:var(--navy);color:#fff;border-radius:var(--r);padding:22px 24px;margin:0 0 22px;display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.cta b{font-size:1.05rem}
.cta p{margin:4px 0 0;color:rgba(248,250,252,.78);font-size:.9rem}
.cta a.btn{white-space:nowrap}
article.seo{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;margin-bottom:22px;line-height:1.7}
article.seo h2{font-size:1.25rem;font-weight:800;margin:22px 0 8px;color:var(--navy)}
article.seo h2:first-child{margin-top:0}
article.seo h3{font-size:1rem;font-weight:700;margin:16px 0 6px}
article.seo p{margin:0 0 10px}
article.seo table{border-collapse:collapse;width:100%;font-size:.88rem;margin:10px 0 14px}
article.seo th,article.seo td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}
article.seo th{background:#f8fafc;font-weight:700}
article.seo ul{margin:0 0 10px 20px}
.faq details{border-bottom:1px solid var(--line);padding:10px 0}
.faq summary{font-weight:700;cursor:pointer;color:var(--navy)}
.faq p{margin:8px 0 0;color:var(--ink)}
/* index grid */
.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.calc-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .18s,box-shadow .18s,border-color .18s}
.calc-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,23,42,.12);border-color:var(--cyan)}
.calc-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#e2e8f0}
.calc-card .body{padding:16px 18px 18px}
.calc-card .std{font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-d);margin-bottom:6px}
.calc-card h3{margin:0 0 6px;font-size:1.05rem;font-weight:800;color:var(--navy)}
.calc-card p{margin:0;font-size:.86rem;color:var(--soft);line-height:1.5}
.calc-card .go{margin-top:auto;padding-top:12px;font-size:.82rem;font-weight:700;color:var(--cyan-d)}
.badge3d{display:inline-block;background:var(--navy);color:#fff;font-size:.62rem;font-weight:800;letter-spacing:.08em;padding:2px 7px;border-radius:4px;margin-left:6px;vertical-align:middle}
.related{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 22px}
.related a{font-size:.82rem;font-weight:600;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;color:var(--navy)}
.related a:hover{border-color:var(--cyan)}
.sr{position:absolute;left:-9999px}