/* TRUBROS — 2026 site */
:root{
  --bg:#070b14; --bg2:#0b1222; --panel:#0f1830; --line:rgba(120,170,255,.14);
  --text:#e6edf8; --muted:#93a3bd; --cyan:#22d3ee; --blue:#3b82f6; --lime:#a3e635; --amber:#fbbf24;
  --grad:linear-gradient(120deg,#22d3ee 0%,#3b82f6 55%,#8b5cf6 100%);
  --radius:16px; --max:1200px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);display:inline-flex;gap:.6em;align-items:center}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.5vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:750;margin:.4em 0 .5em}
h3{font-size:1.18rem;font-weight:650}
p.lead{font-size:1.12rem;color:var(--muted);max-width:640px}
section{padding:96px 0;position:relative}
.muted{color:var(--muted)}
.gridbg{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 75%)}
.glow{position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(110px);opacity:.35;pointer-events:none}

/* header */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
header.nav.scrolled{background:rgba(7,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.08em;font-size:1.15rem;line-height:1.1}
.logo small{display:block;font-family:var(--mono);font-size:.58rem;letter-spacing:.2em;color:var(--muted);font-weight:500}
.menu{display:flex;gap:4px;align-items:center;list-style:none}
.menu a{padding:8px 14px;border-radius:10px;font-size:.93rem;color:var(--muted);transition:.2s}
.menu a:hover,.menu a.active{color:var(--text);background:rgba(255,255,255,.05)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:.95rem;transition:.25s;cursor:pointer;border:0;font-family:inherit}
.btn-primary{background:var(--grad);color:#04101c!important;box-shadow:0 8px 30px -8px rgba(34,211,238,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(34,211,238,.7)}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.menu .btn{padding:9px 16px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;color:var(--text);cursor:pointer}
@media(max-width:920px){
  .burger{display:grid;place-items:center}
  .menu{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(7,11,20,.97);backdrop-filter:blur(14px);padding:16px 20px 24px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s;gap:2px}
  .menu.open{transform:none}
  .menu a{padding:13px 14px}
  .menu .btn{justify-content:center;margin-top:8px}
}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:110px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{margin:18px 0 22px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border:1px solid var(--line);border-radius:99px;font-size:.82rem;color:var(--muted);background:rgba(255,255,255,.03)}
.pill b{background:rgba(163,230,53,.15);color:var(--lime);padding:2px 8px;border-radius:99px;font-size:.72rem;font-family:var(--mono)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px;max-width:540px}
.stat .n{font-size:1.9rem;font-weight:800}
.stat .l{font-size:.8rem;color:var(--muted);font-family:var(--mono);letter-spacing:.05em}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr}.hero{min-height:auto;padding-bottom:40px}}

/* HMI console visual */
.console{background:linear-gradient(180deg,#0e1830,#0a1224);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 40px 90px -30px rgba(34,211,238,.25),inset 0 1px 0 rgba(255,255,255,.05);position:relative}
.console-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-bottom:16px}
.dots{display:flex;gap:6px}.dots i{width:9px;height:9px;border-radius:50%;background:#26324d}
.dots i:first-child{background:#ef4444aa}.dots i:nth-child(2){background:#fbbf24aa}.dots i:nth-child(3){background:#22c55eaa}
.live{color:var(--lime);display:flex;align-items:center;gap:6px}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.3}}
.gauges{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gauge{background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:12px;padding:12px}
.gauge .k{font-family:var(--mono);font-size:.68rem;color:var(--muted);letter-spacing:.06em}
.gauge .v{font-family:var(--mono);font-size:1.35rem;font-weight:600;margin-top:2px}
.gauge .v small{font-size:.7rem;color:var(--muted);margin-left:3px}
.bar{height:4px;background:#1b2742;border-radius:4px;margin-top:8px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--grad);border-radius:4px;transition:width 1s}
.wave{margin-top:12px;background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:12px;padding:12px}
.wave svg{width:100%;height:110px}
.console-foot{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}
.tag{font-family:var(--mono);font-size:.68rem;text-align:center;padding:8px 4px;border-radius:8px;border:1px solid var(--line);color:var(--muted)}
.tag.on{color:var(--lime);border-color:rgba(163,230,53,.35);background:rgba(163,230,53,.06)}
@media(max-width:480px){.gauge .v{font-size:1.05rem}.console-foot{grid-template-columns:repeat(2,1fr)}}

/* section heads */
.head{max-width:720px;margin-bottom:52px}
.head.center{text-align:center;margin-left:auto;margin-right:auto}
.head.center .eyebrow{justify-content:center}
.head.center p.lead{margin:0 auto}

/* cards */
.cards{display:grid;gap:18px}
.c3{grid-template-columns:repeat(3,1fr)}.c4{grid-template-columns:repeat(4,1fr)}.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.c3,.c4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.c3,.c4,.c2{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:.3s}
a.card:hover,.card.hov:hover{border-color:rgba(34,211,238,.45);transform:translateY(-4px)}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(34,211,238,.09),transparent 45%);opacity:0;transition:.3s;pointer-events:none}
.card:hover::after{opacity:1}
.card h3{margin:16px 0 8px}
.card p{color:var(--muted);font-size:.95rem}
.ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);color:var(--cyan)}
.ico svg{width:24px;height:24px}
.ico.violet{background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.35);color:#c4b5fd}
.card .more{display:inline-flex;gap:6px;margin-top:18px;font-size:.88rem;color:var(--cyan);font-weight:600}
.card ul{list-style:none;margin-top:14px;display:grid;gap:7px}
.card li{font-size:.9rem;color:var(--muted);padding-left:20px;position:relative}
.card li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border:1.5px solid var(--cyan);border-radius:2px;transform:rotate(45deg)}
.badge{position:absolute;top:22px;right:22px;font-family:var(--mono);font-size:.68rem;padding:4px 9px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:920px){.split{grid-template-columns:1fr;gap:36px}}
.checks{list-style:none;display:grid;gap:12px;margin-top:22px}
.checks li{display:flex;gap:12px;color:var(--muted)}
.checks li::before{content:"✓";flex:none;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;background:rgba(163,230,53,.12);color:var(--lime);font-size:.8rem;font-weight:700;margin-top:2px}
.checks b{color:var(--text);font-weight:600}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:10px 18px;border:1px solid var(--line);border-radius:99px;font-size:.92rem;background:rgba(255,255,255,.02);transition:.2s}
.chip:hover{border-color:var(--cyan);color:var(--cyan)}

.marquee{overflow:hidden;border-block:1px solid var(--line);padding:22px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee .track{display:flex;gap:56px;width:max-content;animation:scroll 34s linear infinite}
.marquee span{font-family:var(--mono);font-size:1rem;color:var(--muted);letter-spacing:.12em;white-space:nowrap}
.marquee span::before{content:"◆";color:var(--cyan);margin-right:56px;font-size:.6rem;vertical-align:middle}
@keyframes scroll{to{transform:translateX(-50%)}}

/* page hero */
.phero{padding:150px 0 70px;overflow:hidden}
.crumbs{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--cyan)}

/* tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap;border:1px solid var(--line);padding:6px;border-radius:14px;width:max-content;max-width:100%;background:rgba(255,255,255,.02);margin-bottom:24px}
.tabs button{background:none;border:0;color:var(--muted);font:600 .92rem var(--font);padding:10px 18px;border-radius:10px;cursor:pointer}
.tabs button.on{background:var(--grad);color:#04101c}
.tabpane{display:none}.tabpane.on{display:block;animation:fade .4s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}}
.spec{display:grid;grid-template-columns:280px 1fr;gap:28px;background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:var(--radius);padding:30px}
@media(max-width:760px){.spec{grid-template-columns:1fr}}
.spec .range{font-family:var(--mono);font-size:2rem;font-weight:700}
.spec dl{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;font-size:.92rem}
.spec dt{font-family:var(--mono);color:var(--muted);font-size:.78rem;letter-spacing:.05em;padding-top:2px}
.spec .feat{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.spec .feat span{font-size:.8rem;padding:5px 11px;border-radius:8px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.2);color:#bfefff}

.tblwrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;min-width:620px}
.tbl th,.tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);background:rgba(34,211,238,.05)}
.tbl td{color:var(--muted)}.tbl td:first-child{color:var(--text);font-weight:600}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
@media(max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{border:1px solid var(--line);border-radius:14px;padding:22px;background:rgba(255,255,255,.02);counter-increment:s}
.step::before{content:"0" counter(s);font-family:var(--mono);color:var(--cyan);font-size:.85rem}
.step h3{font-size:1rem;margin:10px 0 6px}.step p{font-size:.88rem;color:var(--muted)}

.calc{background:linear-gradient(160deg,#0f1b36,#0a1224);border:1px solid rgba(34,211,238,.25);border-radius:20px;padding:32px}
@media(max-width:520px){.calc{padding:22px}}
.calc label{display:block;font-size:.84rem;color:var(--muted);margin-bottom:6px;font-family:var(--mono)}
.calc .row{margin-bottom:18px}
.calc input[type=range]{width:100%;accent-color:var(--cyan)}
.calc .val{float:right;color:var(--text)}
.calc .out{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}
.calc .out div{border:1px solid var(--line);border-radius:12px;padding:14px;background:rgba(0,0,0,.2)}
.calc .out b{display:block;font-size:1.4rem;font-family:var(--mono)}
.calc .out small{color:var(--muted);font-size:.75rem}
.note{font-size:.78rem;color:var(--muted);margin-top:14px}

details{border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:10px;background:rgba(255,255,255,.02)}
details summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--cyan);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:12px;font-size:.95rem}

.band{border:1px solid rgba(34,211,238,.3);border-radius:24px;padding:56px;background:radial-gradient(600px circle at 0% 0%,rgba(34,211,238,.16),transparent 60%),radial-gradient(600px circle at 100% 100%,rgba(139,92,246,.16),transparent 60%),var(--bg2);display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.band h2{margin:0 0 6px}
@media(max-width:620px){.band{padding:32px 24px}}

.pc{border-radius:24px;border:1px solid rgba(139,92,246,.4);background:radial-gradient(700px circle at 100% 0%,rgba(139,92,246,.22),transparent 55%),linear-gradient(180deg,#111a35,#0a1224);padding:48px;overflow:hidden;position:relative}
@media(max-width:620px){.pc{padding:28px 22px}}
.pc .eyebrow{color:#c4b5fd}.pc .eyebrow::before{background:#c4b5fd}
.schem{background:#08101f;border:1px solid var(--line);border-radius:14px;padding:14px}
.schem svg{width:100%;height:auto}

.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:28px}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.info{display:grid;gap:14px;align-content:start}
.info .card{padding:22px;display:flex;gap:16px;align-items:flex-start}
.info .card h3{margin:0 0 4px;font-size:1rem}
.info .card .ico{flex:none}
form .f{margin-bottom:14px}
form label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:6px;font-family:var(--mono)}
form input,form select,form textarea{width:100%;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--text);font:inherit;font-size:.95rem}
form select option{background:var(--bg2)}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--cyan)}
form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){form .two{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding:64px 0 28px;background:var(--bg2)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}}
footer h4{font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;font-weight:500}
footer ul{list-style:none;display:grid;gap:8px}
footer li a,footer p{color:var(--muted);font-size:.92rem}
footer li a:hover{color:var(--text)}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.fbot a:hover{color:var(--cyan)}
.wa{position:fixed;right:20px;bottom:20px;z-index:40;width:54px;height:54px;border-radius:50%;background:#22c55e;display:grid;place-items:center;box-shadow:0 10px 30px -6px rgba(34,197,94,.6);transition:.2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:28px;height:28px;fill:#fff}

.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.marquee .track{animation:none}html{scroll-behavior:auto}}
.btn svg{width:16px;height:16px;flex:none}
@media(max-width:480px){.stat .n{font-size:1.3rem;white-space:nowrap}.stats{gap:10px}}