/* SciLab — BWB flame photometer pages (EN + HE).
   Same look as the home page; logical properties so one file serves LTR and RTL. */
:root{
  --green:#196b36;      /* logo dark green */
  --green-dk:#11502a;
  --lime:#7bc142;       /* logo light green */
  --ink:#231f20;        /* logo black */
  --text:#2b2f2c;
  --muted:#5f6862;
  --line:#e3e8e4;
  --bg:#ffffff;
  --bg-soft:#f4f7f4;
  --bwb:#23409a;        /* BWB instrument blue */
  --bwb-soft:#eef2fb;
  --flame:#f39200;      /* BWB orange */
  --radius:10px;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 "Source Sans 3",system-ui,sans-serif}
:lang(he) body,body:lang(he){font-family:Heebo,"Source Sans 3",system-ui,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--green)}
h1,h2,h3{font-family:Barlow,Heebo,sans-serif;color:var(--ink);line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.2vw,3.1rem);font-weight:700}
h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
section{padding:80px 0;scroll-margin-top:64px}
.soft{background:var(--bg-soft)}
.eyebrow{font-family:"Barlow Condensed",Heebo,sans-serif;letter-spacing:.2em;text-transform:uppercase;color:var(--green);font-size:.95rem;margin-bottom:.6em;display:flex;align-items:center;gap:.6em}
:lang(he) .eyebrow{letter-spacing:.04em}
.eyebrow::before{content:"";width:10px;height:10px;background:var(--lime);display:inline-block;flex:none}
.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.btn{display:inline-block;padding:.8em 1.5em;border-radius:6px;font-family:Barlow,Heebo,sans-serif;font-weight:600;text-decoration:none;border:2px solid var(--green);transition:.15s;cursor:pointer;font-size:1rem}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dk);border-color:var(--green-dk)}
.btn-ghost{color:var(--green);background:transparent}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-sm{padding:.45em 1em;font-size:.9rem}

/* header */
header{position:sticky;top:0;z-index:50;background:var(--green);box-shadow:0 2px 14px rgba(0,0,0,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;font-family:Barlow,sans-serif;font-weight:700;font-size:1.25rem;letter-spacing:.02em}
.brand span{background:#fff;border-radius:6px;padding:3px;display:block}
.brand img{height:40px;width:auto}
.menu{display:flex;gap:2px;align-items:center}
.menu a{text-decoration:none;color:#fff;font-family:Barlow,Heebo,sans-serif;font-weight:500;font-size:.97rem;padding:8px 11px;position:relative;white-space:nowrap}
.menu a:not(.btn)::after{content:"";position:absolute;inset-inline:11px;bottom:2px;height:2px;background:var(--lime);transform:scaleX(0);transition:transform .2s}
.menu a:not(.btn):hover::after,.menu a[aria-current]::after{transform:scaleX(1)}
.menu .lang{border:1px solid rgba(255,255,255,.4);border-radius:5px;padding:4px 10px;margin-inline-start:8px}
.menu .lang::after{display:none}
.menu .btn{margin-inline-start:12px;background:var(--lime);border-color:var(--lime);color:var(--ink);padding:.5em 1.1em}
.menu .btn:hover{background:#8fd157;border-color:#8fd157}
.burger{display:none;background:none;border:0;font-size:1.8rem;color:#fff;cursor:pointer}

/* breadcrumb */
.crumbs{font-size:.88rem;color:var(--muted);padding:18px 0 0}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-inline-end:6px;color:#9aa49d}
:lang(he) .crumbs li+li::before{content:"‹"}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--green)}

/* hero */
.hero{padding:36px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.8em}
.hero-photo{border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 50px rgba(35,64,154,.18);margin:0;position:relative}
.hero-photo figcaption{position:absolute;inset-inline-start:14px;bottom:14px;background:rgba(255,255,255,.94);border-radius:6px;padding:6px 12px;font-size:.85rem;color:var(--ink)}
.hero-product{display:flex;justify-content:center;background:radial-gradient(circle at 50% 60%,var(--bwb-soft),#fff 70%);border-radius:var(--radius);padding:24px}
.hero-product img{max-height:440px;width:auto}
.badge-bwb{display:inline-flex;align-items:center;gap:10px;background:var(--bwb-soft);color:var(--bwb);border-radius:30px;padding:6px 16px 6px 8px;font-family:Barlow,Heebo,sans-serif;font-weight:600;font-size:.92rem;margin-bottom:18px}
:lang(he) .badge-bwb{padding:6px 8px 6px 16px}
.badge-bwb b{background:var(--flame);color:#fff;border-radius:20px;padding:2px 10px;font-size:.8rem;letter-spacing:.05em}

/* periodic-table element chips */
.els{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 0;direction:ltr}
:lang(he) .els{justify-content:flex-end}
.el{width:50px;height:54px;border:2px solid var(--bwb);border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--bwb);font-family:Barlow,sans-serif;line-height:1;background:#fff}
.el b{font-size:1.3rem;font-weight:700}
.el small{font-size:.68rem;margin-top:3px;color:var(--muted)}
.els.sm .el{width:36px;height:38px;border-width:1.5px}
.els.sm .el b{font-size:.95rem}
.els.sm .el small{font-size:.55rem;margin-top:1px}

/* stats */
.stats{background:var(--bwb);color:#fff;padding:40px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat b{display:block;font-family:Barlow,sans-serif;font-size:2.2rem;font-weight:700;line-height:1;color:#fff;direction:ltr;unicode-bidi:isolate}
.stat b em{font-style:normal;color:var(--flame)}
.stat span{font-size:.97rem;opacity:.92}

/* grids & cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card p{margin:.3em 0 0;color:var(--muted);font-size:.97rem}
.feat h3{display:flex;align-items:center;gap:10px}
.ico{width:42px;height:42px;border-radius:8px;background:var(--bwb-soft);display:grid;place-items:center;color:var(--bwb);flex:none}

/* application cards */
.app{display:flex;flex-direction:column;text-decoration:none;color:inherit;border-top:4px solid var(--green);transition:.15s}
.app:hover{box-shadow:0 10px 30px rgba(0,0,0,.08);transform:translateY(-2px)}
.app h3{color:var(--ink)}
.app .more{margin-top:auto;padding-top:14px;font-family:Barlow,Heebo,sans-serif;font-weight:600;color:var(--green)}
.app .more::after{content:" →"}
:lang(he) .app .more::after{content:" ←"}

/* model cards */
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.model{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;scroll-margin-top:80px}
.model .pic{background:linear-gradient(180deg,var(--bwb-soft),#fff);display:flex;justify-content:center;padding:20px 20px 4px;height:250px}
.model .pic img{height:100%;width:auto;object-fit:contain}
.model .body{padding:18px 22px 22px;display:flex;flex-direction:column;flex:1}
.model h3{margin:0;font-size:1.35rem}
.model .kind{font-size:.88rem;color:var(--bwb);font-weight:600;margin-top:2px}
.model p{margin:.7em 0 0;font-size:.96rem;color:var(--muted)}
.model ul{margin:.7em 0 0;padding-inline-start:1.1em;font-size:.93rem}
.model .links{margin-top:auto;padding-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.model.wide{grid-column:1/-1;display:grid;grid-template-columns:320px 1fr}
.model.wide .pic{height:auto;padding:28px}
.model.wide .pic img{max-height:380px}
.new{display:inline-block;background:var(--flame);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.08em;border-radius:4px;padding:2px 8px;vertical-align:middle;margin-inline-start:8px;font-family:Barlow,Heebo,sans-serif}
.flashset{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:14px}
.flashset div{background:var(--bwb-soft);border-radius:6px;padding:8px 12px;font-size:.88rem}
.flashset b{color:var(--bwb);font-family:Barlow,sans-serif;display:block}

/* models by element set: two generations side by side */
.gens{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin-top:36px}
.gen{border-radius:var(--radius);padding:26px 28px;display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:center;scroll-margin-top:80px}
.gen img{max-height:200px;width:auto;margin:auto}
.gen h3{margin:0 0 4px;font-size:1.45rem}
.gen ul{margin:.6em 0 0;padding-inline-start:1.1em;font-size:.94rem}
.gen .links{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.gen-flash{background:linear-gradient(135deg,#fff7ea,#ffe7c2);border:2px solid var(--flame)}
.gen-flash h3{color:#b85f00}
.gen-xp{background:var(--bwb-soft);border:1px solid #d5ddf3}
.gen-xp h3{color:var(--bwb)}
.egroup{margin-top:34px;scroll-margin-top:80px}
.eg-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-bottom:12px;border-bottom:2px solid var(--line);margin-bottom:16px}
.eg-head .els{margin:0}
.eg-head h3{margin:0;font-size:1.3rem}
.eg-head p{margin:2px 0 0;color:var(--muted);font-size:.95rem}
.eg-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.opt{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;scroll-margin-top:80px}
.opt img{width:110px;height:140px;object-fit:contain}
.opt h4{margin:0;font-family:Barlow,Heebo,sans-serif;font-size:1.15rem;color:var(--ink)}
.opt .kind{font-size:.84rem;font-weight:600;color:var(--bwb);margin-top:2px}
.opt p{margin:.5em 0 0;font-size:.93rem;color:var(--muted)}
.opt .links{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.opt-flash{border:2px solid var(--flame);background:linear-gradient(180deg,#fffaf2,#fff)}
.opt-flash .kind{color:#b85f00}
.opt-none{display:flex;align-items:center;justify-content:center;text-align:center;color:var(--muted);font-size:.93rem;background:repeating-linear-gradient(135deg,#fafbfa,#fafbfa 10px,#f3f5f3 10px,#f3f5f3 20px);border-style:dashed}
.flash-codes{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;direction:ltr}
:lang(he) .flash-codes{justify-content:flex-end}
.flash-codes span{background:#fff;border:1px solid var(--flame);color:#b85f00;border-radius:5px;padding:2px 8px;font-family:Barlow,sans-serif;font-weight:700;font-size:.85rem}
@media (max-width:980px){.gens{grid-template-columns:1fr}}
@media (max-width:620px){.gen{grid-template-columns:1fr}.gen img{max-height:170px}.opt{grid-template-columns:80px 1fr}.opt img{width:80px;height:110px}}

/* tables */
.tbl-wrap{overflow-x:auto;margin-top:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}
thead th{background:var(--bwb);color:#fff;font-family:Barlow,Heebo,sans-serif;font-weight:600;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#fafcfa}
td.c{text-align:center}
.yes{color:var(--green);font-weight:700}
.no{color:#b9c1bb}
.ltr{direction:ltr;unicode-bidi:isolate}

/* checks */
.checks{list-style:none;padding:0;margin:1.2em 0 0}
.checks li{padding:13px 0;padding-inline-start:34px;border-bottom:1px solid var(--line);position:relative}
.checks li::before{content:"";position:absolute;inset-inline-start:0;top:19px;width:14px;height:14px;background:var(--lime)}
.checks b{color:var(--ink);font-family:Barlow,Heebo,sans-serif}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.top{align-items:start}

/* quotes */
blockquote{margin:0;background:#fff;border:1px solid var(--line);border-inline-start:4px solid var(--flame);border-radius:var(--radius);padding:22px 24px}
blockquote p{margin:0;font-size:1rem;font-style:italic}
blockquote footer{background:none;color:var(--muted);padding:12px 0 0;font-size:.88rem;display:block}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-family:Barlow,Heebo,sans-serif;font-weight:600;font-size:1.08rem;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--green);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:.7em 0 0;color:var(--muted)}

/* docs */
.docs{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-top:28px}
.doc{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink);background:#fff;font-weight:600;font-size:.95rem}
.doc:hover{border-color:var(--green)}
.doc small{display:block;font-weight:400;color:var(--muted);font-size:.8rem}
.doc svg{color:#d9644f;flex:none}

/* quote form */
.quote{background:var(--ink);color:#e9ece9}
.quote h2{color:#fff}
.quote .lead{color:#b9c1bb}
.quote-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.quote .checks li{border-color:#333}
.quote .checks b{color:#fff}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form .full{grid-column:1/-1}
label{font-size:.85rem;color:#b9c1bb;display:block;margin-bottom:4px}
input,select,textarea{width:100%;padding:12px 14px;border-radius:6px;border:1px solid #3a3a3d;background:#242126;color:#fff;font:inherit;font-size:.97rem}
input:focus,select:focus,textarea:focus{outline:2px solid var(--lime);border-color:transparent}
textarea{min-height:110px;resize:vertical}
.hp{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap} /* no left:-9999px — it creates a horizontal scroll in RTL */
.form-msg{padding:12px 16px;border-radius:6px;font-size:.97rem}
.form-msg.ok{background:rgba(123,193,66,.15);color:#c9eab0;border:1px solid var(--lime)}
.form-msg.err{background:rgba(220,80,60,.15);color:#f3b8ad;border:1px solid #d9644f}
.quote form button:disabled{opacity:.6;cursor:wait}
.quote .btn-primary{border-color:var(--lime);background:var(--lime);color:var(--ink)}
.quote .btn-primary:hover{background:#9bd12a}
.contact-lines{margin-top:1.4em;font-size:.97rem}
.contact-lines a{color:#fff}

footer.site{background:var(--green-dk);color:#cfe0d4;font-size:.9rem;padding:26px 0}
footer.site .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer.site a{color:#fff}
.wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:60}

/* responsive */
@media (max-width:1060px){
  .menu a{padding:8px 8px}
  .menu .hide-md{display:none}
}
@media (max-width:980px){
  .hero-grid,.split,.quote-grid{grid-template-columns:1fr;gap:36px}
  .g3,.g4,.models{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .model.wide{grid-template-columns:1fr}
}
@media (max-width:860px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--green);flex-direction:column;align-items:stretch;padding:8px 24px 20px;gap:0;box-shadow:0 10px 20px rgba(0,0,0,.15)}
  .menu.open{display:flex}
  .menu a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .menu a:not(.btn)::after{display:none}
  .menu .hide-md{display:block}
  .menu .lang{margin:10px 0 0;text-align:center}
  .menu .btn{margin:14px 0 0;text-align:center}
}
@media (max-width:620px){
  .wrap{padding:0 16px}
  section{padding:56px 0}
  .g2,.g3,.g4,.models{grid-template-columns:1fr}
  .stat b{font-size:1.7rem}
  .stat span{font-size:.85rem;display:block;line-height:1.35;margin-top:6px}
  form{grid-template-columns:1fr}
  .brand img{height:34px}
  .hero{padding-top:24px}
}