/* ============================================================
   BUNBAN Engineering Solutions — style
   ============================================================ */
:root{
  --bg:#0B0F14; --bg2:#0F151C; --panel:#121A23; --panel2:#17212C;
  --line:rgba(160,190,220,.12); --line2:rgba(160,190,220,.22);
  --tx:#E8EEF4; --tx2:#A7B4C2; --tx3:#6F7E8E;
  --cyan:#00E5FF; --amber:#FFB020;
  --p1:#00E5FF; --p2:#3D7BFF; --p3:#A78BFA; --p4:#FFB020; --p5:#FF6B2C;
  --r:16px; --wrap:1200px;
  --f-h:"Space Grotesk",system-ui,sans-serif; --f-b:"Inter",system-ui,sans-serif; --f-m:"JetBrains Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.65 var(--f-b);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-h);line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em}
h2{font-size:clamp(1.9rem,3.6vw,3rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1em;color:var(--tx2)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--cyan);color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
::selection{background:var(--cyan);color:#001015}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;font:600 .95rem var(--f-h);text-decoration:none;border-radius:999px;padding:.8em 1.4em;border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;position:relative;white-space:nowrap}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-lg{padding:1em 1.7em;font-size:1rem}
.btn-sm{padding:.55em 1.1em;font-size:.88rem}
.btn-primary{background:linear-gradient(135deg,#00E5FF,#3D7BFF);color:#021018;box-shadow:0 0 0 0 rgba(0,229,255,.0),0 10px 30px -10px rgba(0,229,255,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 4px rgba(0,229,255,.15),0 14px 40px -10px rgba(0,229,255,.8)}
.btn-ghost{border-color:var(--line2);color:var(--tx);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- topbar ---------- */
.topbar{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.topbar.scrolled,.topbar.solid{background:rgba(11,15,20,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;text-decoration:none}
.logo{height:44px;width:auto}
.lg-word{font:700 60px var(--f-h);fill:var(--tx);letter-spacing:.02em}
.lg-sub{font:500 13px var(--f-h);fill:var(--tx2);letter-spacing:.2em}
.lg-mark path{transition:transform .5s var(--ease)}
.lg-mark path:nth-child(1){transform:translate(0,0)}.lg-mark path:nth-child(2){transform:translate(44px,0)}
.lg-mark path:nth-child(3){transform:translate(0,44px)}.lg-mark path:nth-child(4){transform:translate(44px,44px)}
.brand:hover .lg-mark path:nth-child(1){transform:translate(-3px,-3px)}
.brand:hover .lg-mark path:nth-child(2){transform:translate(47px,-3px)}
.brand:hover .lg-mark path:nth-child(3){transform:translate(-3px,47px)}
.brand:hover .lg-mark path:nth-child(4){transform:translate(47px,47px)}
.menu{display:flex;align-items:center;gap:26px}
.menu>a:not(.btn){font:500 .92rem var(--f-h);color:var(--tx2);text-decoration:none;position:relative;padding:6px 0}
.menu>a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);box-shadow:0 0 10px var(--cyan)}
.menu>a:not(.btn):hover{color:var(--tx)}
.menu>a:not(.btn):hover::after,.menu>a.active::after{transform:scaleX(1)}
.menu>a.active{color:var(--tx)}
.langs{display:flex;border:1px solid var(--line2);border-radius:999px;padding:3px}
.langs a{font:600 .75rem var(--f-m);text-decoration:none;color:var(--tx3);padding:4px 9px;border-radius:999px;transition:.2s}
.langs a:hover{color:var(--tx)}
.langs a[aria-current]{background:var(--panel2);color:var(--cyan)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;padding:10px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:var(--tx);border-radius:2px;transition:.3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* ---------- spine (scroll progress nav) ---------- */
.spine{position:fixed;left:22px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:30px;padding:6px 0}
.spine-track{position:absolute;left:5px;top:0;bottom:0;width:2px;background:var(--line)}
.spine-fill{position:absolute;inset:0 0 auto;height:var(--prog,0%);background:linear-gradient(var(--cyan),var(--p2));box-shadow:0 0 12px var(--cyan)}
.spine a{position:relative;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--tx3);transition:.3s}
.spine a span{position:absolute;left:22px;top:50%;transform:translate(-6px,-50%);opacity:0;white-space:nowrap;font:500 .75rem var(--f-m);color:var(--tx2);pointer-events:none;transition:.25s;background:var(--panel);padding:3px 8px;border-radius:6px;border:1px solid var(--line)}
.spine a:hover span{opacity:1;transform:translate(0,-50%)}
.spine a.on{border-color:var(--cyan);background:var(--cyan);box-shadow:0 0 0 4px rgba(0,229,255,.15),0 0 14px var(--cyan)}
.spine a.passed{border-color:var(--cyan)}
.spine,.spine-fill,.spine a{transition:.4s}
body.in-crt .spine-fill{background:#39FF6A;box-shadow:0 0 12px #39FF6A}
body.in-crt .spine a.on{border-color:#39FF6A;background:#39FF6A;box-shadow:0 0 0 4px rgba(57,255,106,.15),0 0 14px #39FF6A}
body.in-crt .spine a.passed{border-color:#39FF6A}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:120px 0 90px;overflow:hidden;isolation:isolate}
.pcb{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero-img{position:absolute;inset:0;z-index:-3}
.hero-img img{width:100%;height:100%;object-fit:cover;opacity:.28;filter:saturate(.8)}
.hero-vignette{position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse 70% 60% at 30% 45%,rgba(11,15,20,.2),rgba(11,15,20,.85) 70%),linear-gradient(transparent 70%,var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:56px;align-items:center;width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 .8rem var(--f-m);letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);border:1px solid rgba(0,229,255,.25);background:rgba(0,229,255,.06);padding:6px 14px;border-radius:999px}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(0,229,255,.7);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(0,229,255,.6)}80%,100%{box-shadow:0 0 0 10px rgba(0,229,255,0)}}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.6rem);font-weight:700;margin:22px 0 22px;letter-spacing:-.035em}
.grad{background:linear-gradient(90deg,#00E5FF,#3D7BFF 35%,#A78BFA 60%,#FFB020 85%,#FF6B2C);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shine 8s linear infinite}
@keyframes shine{to{background-position:-200% 0}}
.lead{font-size:clamp(1.05rem,1.4vw,1.2rem);max-width:600px;color:var(--tx2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-tags{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.hero-tags li{font:500 .8rem var(--f-m);color:var(--tx2);padding:5px 12px 5px 22px;border-radius:999px;border:1px solid var(--line);position:relative;background:rgba(255,255,255,.02)}
.hero-tags li::before{content:"";position:absolute;left:10px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c)}

/* HMI panel */
.hmi{background:linear-gradient(180deg,rgba(23,33,44,.85),rgba(15,21,28,.9));border:1px solid var(--line2);border-radius:18px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 30px 80px -20px rgba(0,0,0,.7),0 0 0 1px rgba(0,229,255,.05),inset 0 1px 0 rgba(255,255,255,.05);overflow:hidden;transform:perspective(1200px) rotateY(-8deg) rotateX(3deg);transition:transform .6s var(--ease)}
.hmi:hover{transform:perspective(1200px) rotateY(0) rotateX(0)}
.hmi-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font:500 .78rem var(--f-m);color:var(--tx3)}
.hmi-dots{display:flex;gap:6px}.hmi-dots i{width:10px;height:10px;border-radius:50%;background:#2a3542}
.hmi-dots i:first-child{background:#ff5f57}.hmi-dots i:nth-child(2){background:#febc2e}.hmi-dots i:nth-child(3){background:#28c840}
.hmi-ok{margin-left:auto;color:#28c840;font-weight:600}
.hmi-ok::before{content:"● ";animation:blink 1.4s steps(2) infinite}
@keyframes blink{50%{opacity:.2}}
.hmi-leds{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:14px 16px}
.led{display:flex;flex-direction:column;align-items:center;gap:6px;font:600 .7rem var(--f-m);color:var(--tx3);padding:10px 4px;border-radius:10px;background:rgba(255,255,255,.02);border:1px solid var(--line);transition:.3s}
.led b{width:12px;height:12px;border-radius:50%;background:#1d2833;transition:.3s}
.led.on b{background:var(--c);box-shadow:0 0 12px var(--c),0 0 24px var(--c)}
.led.on{color:var(--tx);border-color:color-mix(in srgb,var(--c) 40%,transparent)}
.scope{display:block;width:100%;height:92px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(rgba(0,229,255,.03),transparent)}
.term{margin:0;padding:14px 16px 18px;font:400 .8rem/1.75 var(--f-m);color:#9FE9F5;min-height:196px;white-space:pre-wrap}
.term .ok{color:#28c840}.term .warn{color:var(--amber)}.term .cmd{color:var(--tx)}
.term .cur{display:inline-block;width:8px;height:1em;background:var(--cyan);vertical-align:-2px;animation:blink 1s steps(2) infinite}
.scroll-hint{position:absolute;left:50%;bottom:26px;width:26px;height:42px;border:2px solid var(--line2);border-radius:14px;transform:translateX(-50%)}
.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--cyan);animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- stats ---------- */
.stats{position:relative;border-block:1px solid var(--line);background:linear-gradient(90deg,rgba(0,229,255,.04),rgba(61,123,255,.03),rgba(255,176,32,.04))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:38px 24px;border-left:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:baseline;column-gap:4px}
.stat:first-child{border-left:0}
.stat b{font:700 clamp(2.4rem,4vw,3.4rem)/1 var(--f-h);background:linear-gradient(180deg,#fff,#9fb4c8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat i{font:700 2rem var(--f-h);color:var(--cyan);font-style:normal}
.stat span{flex-basis:100%;margin-top:10px;color:var(--tx2);font-size:.92rem}

/* ---------- sections ---------- */
.section{padding:clamp(80px,10vw,130px) 0;position:relative}
.section-alt{background:var(--bg2);border-block:1px solid var(--line)}
.section-alt::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 70%);opacity:.5;pointer-events:none}
.sec-head{max-width:760px;margin:0 auto 56px;text-align:center;position:relative}
.kicker{font:600 .78rem var(--f-m);letter-spacing:.14em;text-transform:uppercase;color:var(--k,var(--cyan));margin-bottom:14px;display:inline-flex;align-items:center;gap:10px}
.kicker::before{content:"";width:24px;height:2px;background:currentColor;box-shadow:0 0 8px currentColor}

/* ---------- synergy ---------- */
.syn-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.values{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.values li{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);transition:border-color .3s,transform .3s var(--ease)}
.values li:hover{border-color:var(--line2);transform:translateY(-2px)}
.values b{display:block;font-family:var(--f-h);color:var(--tx);margin-bottom:4px}
.values span{font-size:.88rem;color:var(--tx2)}
.syn-diagram{position:relative}
#synsvg{width:100%;height:auto;overflow:visible}
.syn-edge{stroke:var(--line2);stroke-width:1.5;fill:none;transition:stroke .35s,stroke-width .35s,opacity .35s}
.syn-edge.core{stroke-dasharray:3 5}
.syn-edge.hl{stroke:var(--hc);stroke-width:2.5;filter:drop-shadow(0 0 6px var(--hc))}
.syn-edge.dim{opacity:.25}
.syn-elabel{font:500 11px var(--f-m);fill:var(--tx);opacity:0;transition:opacity .35s;pointer-events:none}
.syn-elabel.show{opacity:1}
.syn-elabel-bg{fill:var(--panel2);stroke:var(--line2);opacity:0;transition:opacity .35s}
.syn-elabel-bg.show{opacity:.95}
.syn-node{cursor:pointer;outline:none}
.syn-node circle.ring{fill:var(--panel);stroke:var(--c);stroke-width:2;transition:.35s}
.syn-node circle.glow{fill:var(--c);opacity:.12;transition:.35s}
.syn-node:hover circle.glow,.syn-node.active circle.glow,.syn-node:focus-visible circle.glow{opacity:.35}
.syn-node:hover circle.ring,.syn-node.active circle.ring{fill:color-mix(in srgb,var(--c) 18%,var(--panel))}
.syn-node text{font:600 13px var(--f-h);fill:var(--tx);pointer-events:none}
.syn-node svg{color:var(--c)}
.syn-core circle{fill:var(--panel2);stroke:var(--cyan);stroke-width:1.5}
.syn-core text{font:700 15px var(--f-h);fill:var(--tx);letter-spacing:.06em}
.syn-core text.sm{font:500 10px var(--f-m);fill:var(--cyan);letter-spacing:.14em;text-transform:uppercase}
.syn-pulse{fill:#fff}
.syn-info{margin-top:8px;padding:16px 20px;border-radius:12px;border:1px solid var(--line);background:var(--panel);min-height:92px;transition:border-color .3s}
.syn-info b{display:block;font-family:var(--f-h);margin-bottom:4px}
.syn-info span{color:var(--tx2);font-size:.92rem}
.syn-rel{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:4px;font-size:.86rem}
.syn-rel b{display:inline;font-weight:600;font-family:var(--f-h);margin:0}
.syn-info{min-height:250px}

/* ---------- cards (pillars) ---------- */
.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;position:relative}
.card{grid-column:span 2;position:relative;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:transform .4s var(--ease),border-color .4s;--mx:50%;--my:50%}
.card:nth-child(4){grid-column:2/span 2}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:radial-gradient(400px circle at var(--mx) var(--my),var(--c),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s;pointer-events:none;z-index:2}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(500px circle at var(--mx) var(--my),color-mix(in srgb,var(--c) 10%,transparent),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}
.card:hover{transform:translateY(-6px)}
.card:hover::before,.card:hover::after{opacity:1}
.card-media{position:relative;height:170px;overflow:hidden;background:#0d141b;border-bottom:1px solid var(--line)}
.card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(18,26,35,.95))}
.card-pattern{position:absolute;inset:0}
.card-pattern canvas{width:100%;height:100%;display:block}
.card-num{position:absolute;right:16px;top:12px;font:600 .8rem var(--f-m);color:var(--c);z-index:1;letter-spacing:.1em}
.card-body{padding:0 26px 26px;display:flex;flex-direction:column;flex:1;position:relative;z-index:1}
.card-ico{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;margin-top:-30px;margin-bottom:18px;background:var(--panel2);border:1px solid color-mix(in srgb,var(--c) 45%,transparent);box-shadow:0 0 24px -6px var(--c);color:var(--c)}
.ico{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:4px}
.card-tag{font:500 .76rem var(--f-m);color:var(--c);letter-spacing:.04em;margin-bottom:14px}
.card p{font-size:.95rem}
.ticks{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:7px}
.ticks li{position:relative;padding-left:22px;font-size:.9rem;color:var(--tx)}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:6px;border-left:2px solid var(--c);border-bottom:2px solid var(--c);transform:rotate(-45deg)}
.card-link{margin-top:auto;font:600 .88rem var(--f-h);color:var(--c);text-decoration:none;align-self:flex-start}
.card-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- services + thermal ---------- */
.therm-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.svc-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:10px}
.svc-list li{display:flex;gap:16px;align-items:flex-start;padding:14px 16px;border-radius:12px;border:1px solid transparent;transition:.3s}
.svc-list li:hover{border-color:var(--line);background:var(--panel)}
.svc-list .ico{flex:none;width:40px;height:40px;padding:8px;border-radius:10px;background:rgba(255,107,44,.1);color:var(--p5);box-sizing:border-box}
.svc-list b{display:block;font-family:var(--f-h);margin-bottom:2px}
.svc-list span{color:var(--tx2);font-size:.92rem}
.therm{margin:0}
.therm-stage{position:relative;aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;border:1px solid var(--line2);box-shadow:0 30px 80px -30px rgba(255,107,44,.35);--x:50%;user-select:none;touch-action:pan-y;cursor:ew-resize}
.therm-layer{position:absolute;inset:0}
.therm-layer svg,.therm-layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.therm-ir{clip-path:inset(0 0 0 var(--x))}
.therm-handle{position:absolute;top:0;bottom:0;left:var(--x);width:2px;background:#fff;box-shadow:0 0 12px rgba(255,255,255,.8);transform:translateX(-1px);pointer-events:none}
.therm-handle span{position:absolute;top:50%;left:50%;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:rgba(11,15,20,.8);border:2px solid #fff;backdrop-filter:blur(6px)}
.therm-handle span::before,.therm-handle span::after{content:"";position:absolute;top:50%;width:0;height:0;border:6px solid transparent;margin-top:-6px}
.therm-handle span::before{left:6px;border-right-color:#fff}
.therm-handle span::after{right:6px;border-left-color:#fff}
.therm-hud{position:absolute;left:14px;right:52px;top:12px;display:flex;justify-content:space-between;font:500 .72rem var(--f-m);color:#fff;text-shadow:0 1px 3px #000;pointer-events:none}
.therm-max b{color:#ffe27a}
.therm-scale{position:absolute;right:12px;top:12px;bottom:12px;width:26px;display:flex;flex-direction:column;align-items:center;gap:4px;font:500 .62rem var(--f-m);color:#fff;pointer-events:none}
.therm-scale i{flex:1;width:8px;border-radius:4px;background:linear-gradient(#fff,#ffe27a,#ffb000,#ff4d1a,#c0147a,#5b2aa0,#12062b)}
.therm-range{display:block;margin-top:14px}
.therm-range input{width:100%;accent-color:var(--p5)}
.therm figcaption{font-size:.85rem;color:var(--tx3);margin-top:6px}

/* ---------- industries ---------- */
.inds{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.ind{position:relative;min-height:210px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(160deg,var(--panel2),var(--panel));transition:transform .4s var(--ease),border-color .4s;transition-delay:var(--d,0ms)}
.ind img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35;transition:opacity .5s,transform .8s var(--ease)}
.ind::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 20%,rgba(11,15,20,.92))}
.ind::before{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(300px circle at var(--mx,50%) var(--my,0%),rgba(0,229,255,.12),transparent 50%);opacity:0;transition:opacity .4s;pointer-events:none}
.ind:hover::before{opacity:1}
.ind-in{position:relative;z-index:1;padding:22px;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.ind .ico{width:34px;height:34px;color:var(--cyan);margin-bottom:auto;transition:transform .5s var(--ease)}
.ind h3{font-size:1.1rem;margin:20px 0 6px}
.ind p{font-size:.88rem;margin:0}
.ind:hover{border-color:rgba(0,229,255,.4);transform:translateY(-4px)}
.ind:hover img{opacity:.55;transform:scale(1.05)}
.ind:hover .ico{transform:translateY(-4px) scale(1.08);filter:drop-shadow(0 0 8px var(--cyan))}

/* ---------- process: green phosphor CRT / matrix terminal ---------- */
.crt{--g:#39FF6A;--g2:#1FAE4B;--g3:#0E5A26;--gbg:#020A05;background:var(--gbg);border-block:1px solid rgba(57,255,106,.18);overflow:hidden;isolation:isolate}
.matrix{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.35}
.crt::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.28) 0 1px,transparent 1px 3px);mix-blend-mode:multiply}
.crt::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.75) 100%);animation:crtflick 6s infinite steps(1)}
@keyframes crtflick{0%,100%{opacity:1}47%{opacity:.86}48%{opacity:1}73%{opacity:.92}74%{opacity:1}}
.crt-screen{position:relative;z-index:1;border:1px solid rgba(57,255,106,.35);border-radius:18px;padding:0 clamp(18px,4vw,48px) clamp(28px,4vw,48px);background:linear-gradient(rgba(2,14,6,.82),rgba(2,10,5,.9));box-shadow:0 0 0 1px rgba(57,255,106,.08),0 0 60px -10px rgba(57,255,106,.35),inset 0 0 80px rgba(57,255,106,.08)}
.crt-bar{display:flex;justify-content:space-between;gap:12px;margin:0 calc(-1 * clamp(18px,4vw,48px)) 48px;padding:12px 18px;border-bottom:1px solid rgba(57,255,106,.25);font:500 .8rem var(--f-m);color:var(--g2);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.crt-rec{color:var(--g);animation:blink 1.2s steps(2) infinite;flex:none}
.crt .kicker{color:var(--g)}
.crt h2{font-family:var(--f-m);font-weight:500;letter-spacing:-.01em;color:var(--g);text-shadow:0 0 6px rgba(57,255,106,.7),0 0 22px rgba(57,255,106,.35);font-size:clamp(1.6rem,3vw,2.5rem)}
.crt-cur{display:inline-block;width:.55em;height:1em;margin-left:.2em;background:var(--g);vertical-align:-.12em;box-shadow:0 0 10px var(--g);animation:blink 1s steps(2) infinite}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative}
.steps-line{position:absolute;left:0;right:0;top:27px;height:2px;background:repeating-linear-gradient(90deg,var(--g3) 0 6px,transparent 6px 10px)}
.steps-line i{position:absolute;inset:0;background:var(--g);transform-origin:left;transform:scaleX(var(--pp,0));box-shadow:0 0 10px var(--g),0 0 24px rgba(57,255,106,.5)}
.step{position:relative}
.step-n{display:flex;align-items:center;justify-content:center;gap:1px;width:64px;height:56px;border-radius:8px;background:var(--gbg);border:1px solid var(--g3);font:500 1rem var(--f-m);color:var(--g3);margin-bottom:20px;position:relative;z-index:1;transition:.5s}
.step-n::before{content:"[";opacity:.7}.step-n::after{content:"]";opacity:.7}
.step.lit .step-n{border-color:var(--g);color:var(--g);text-shadow:0 0 8px var(--g);box-shadow:0 0 0 4px rgba(57,255,106,.08),0 0 22px rgba(57,255,106,.45)}
.step h3{font:500 1.05rem var(--f-m);color:var(--g2);transition:color .5s,text-shadow .5s}
.step h3::before{content:"> "}
.step.lit h3{color:var(--g);text-shadow:0 0 8px rgba(57,255,106,.6)}
.step p{font:400 .86rem/1.7 var(--f-m);color:rgba(57,255,106,.72)}

/* ---------- band ---------- */
.band{padding:0 0 20px}
.band-in{border-radius:24px;padding:clamp(40px,6vw,72px);text-align:center;position:relative;overflow:hidden;background:radial-gradient(ellipse at 20% 0%,rgba(0,229,255,.18),transparent 60%),radial-gradient(ellipse at 90% 100%,rgba(255,107,44,.16),transparent 55%),var(--panel);border:1px solid var(--line2)}
.band-in h2{max-width:800px;margin:0 auto 14px;font-size:clamp(1.6rem,3vw,2.4rem)}
.band-in p{margin-bottom:28px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact-list{list-style:none;padding:0;margin:30px 0;display:grid;gap:14px}
.contact-list li{display:flex;gap:16px;align-items:center}
.contact-list svg{flex:none;width:46px;height:46px;padding:11px;border-radius:12px;background:var(--panel);border:1px solid var(--line);fill:none;stroke:var(--cyan);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.contact-list small{display:block;font:500 .72rem var(--f-m);color:var(--tx3);text-transform:uppercase;letter-spacing:.1em}
.contact-list a,.contact-list span{color:var(--tx);text-decoration:none;font-weight:500}
.contact-list a:hover{color:var(--cyan)}
.contact-note{font-size:.9rem;color:var(--tx3)}
.form{background:var(--panel);border:1px solid var(--line2);border-radius:20px;padding:clamp(22px,4vw,36px);display:grid;gap:16px;box-shadow:0 40px 100px -40px rgba(0,229,255,.25)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:6px}
.field>span,.chips legend{font:500 .8rem var(--f-h);color:var(--tx2)}
.field input,.field textarea{width:100%;font:inherit;font-size:.95rem;color:var(--tx);background:var(--bg);border:1px solid var(--line2);border-radius:10px;padding:12px 14px;transition:border-color .2s,box-shadow .2s;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(0,229,255,.12)}
.field input.bad,.field textarea.bad{border-color:#ff5f57}
.chips{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.chips legend{margin-bottom:8px;padding:0}
.chips label{cursor:pointer}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips span{display:inline-block;font:500 .85rem var(--f-h);padding:7px 14px;border-radius:999px;border:1px solid var(--line2);color:var(--tx2);transition:.2s}
.chips label:hover span{border-color:var(--c);color:var(--tx)}
.chips input:checked+span{background:color-mix(in srgb,var(--c) 18%,transparent);border-color:var(--c);color:var(--tx);box-shadow:0 0 14px -4px var(--c)}
.chips input:focus-visible+span{outline:2px solid var(--cyan);outline-offset:2px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--tx2);cursor:pointer}
.consent input{margin-top:3px;accent-color:var(--cyan);width:16px;height:16px;flex:none}
.consent a{color:var(--cyan)}
.consent.bad{color:#ff8a84}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.btn-send{justify-self:start}
.btn-send.busy{pointer-events:none;opacity:.7}
.form-status{margin:0;min-height:1.4em;font-size:.92rem}
.form-status.ok{color:#28c840}.form-status.err{color:#ff8a84}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:56px 0 28px;margin-top:40px;background:var(--bg2)}
.footer-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer-brand{max-width:360px}
.footer-brand .logo{height:48px;margin-bottom:16px}
.footer-brand p{font-size:.9rem}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-cols div{display:grid;gap:8px;align-content:start}
.footer-cols b{font:600 .8rem var(--f-m);color:var(--tx3);text-transform:uppercase;letter-spacing:.12em;margin-bottom:4px}
.footer-cols a,.footer-cols span{font-size:.92rem;color:var(--tx2);text-decoration:none}
.footer-cols a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:.84rem;color:var(--tx3)}
.footer-bottom a{color:var(--tx3)}

/* ---------- legal page ---------- */
.legal{padding:140px 24px 80px;max-width:820px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem)}
.legal h2{font-size:1.25rem;margin-top:2em}
.legal a{color:var(--cyan)}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .menu{gap:18px}
  .menu>a:not(.btn){font-size:.86rem}
  .spine{display:none}
}
@media (max-width:980px){
  .burger{display:flex}
  .menu{position:fixed;inset:76px 0 auto;flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 28px;background:rgba(11,15,20,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transform:translateY(-12px);opacity:0;visibility:hidden;transition:.3s var(--ease)}
  .menu.open{transform:none;opacity:1;visibility:visible}
  .menu>a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .menu>a:not(.btn)::after{display:none}
  .langs{align-self:flex-start;margin:18px 0}
  .menu .btn{justify-content:center}
  .hero-grid,.syn-grid,.therm-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .hmi{transform:none;max-width:560px}
  .cards{grid-template-columns:1fr 1fr}
  .card,.card:nth-child(4){grid-column:auto}
  .card:nth-child(5){grid-column:1/-1}
  .inds{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:0;padding-left:0}
  .steps-line{left:31px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .steps-line i{transform-origin:top;transform:scaleY(var(--pp,0))}
  .step{display:grid;grid-template-columns:64px 1fr;column-gap:20px;padding-bottom:28px}
  .step-n{grid-row:span 2;margin:0}
  .crt-bar{margin-bottom:32px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .topbar-in{height:64px}
  .menu{top:64px}
  .logo{height:34px}
  .hero{padding-top:100px}
  .hero-cta .btn{width:100%;justify-content:center}
  .cards,.inds,.values,.row2{grid-template-columns:1fr}
  .card:nth-child(5){grid-column:auto}
  .stat{padding:26px 16px}
  .ind{min-height:190px}
  .term{font-size:.72rem;min-height:170px}
  .scroll-hint{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}