:root{
  --bg:#0F1216;
  --bg-2:#13171C;
  --surface:#181D23;
  --surface-2:#1E242B;
  --line:#283038;
  --line-soft:#1F252C;
  --text:#ECEAE3;
  --muted:#8C939D;
  --muted-2:#5E656E;
  --accent:#F2B45A;
  --accent-2:#E89B3E;
  --glow:0.72;
  --ok:#6FBF8C;
  --err:#E0735E;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'IBM Plex Sans',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:rgba(242,180,90,.28);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.6}

/* ---------- HEADER ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:saturate(140%) blur(10px);background:rgba(15,18,22,.62);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
header.scrolled{border-bottom:1px solid var(--line-soft);background:rgba(15,18,22,.86)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{font-family:var(--font-display);font-weight:600;font-size:17px;letter-spacing:-.01em;display:flex;align-items:center;gap:11px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 calc(14px*var(--glow)) rgba(242,180,90,calc(.9*var(--glow)))}
.brand small{font-family:var(--font-mono);font-weight:400;color:var(--muted);font-size:12.5px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:14px;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:18px}

/* KNX partner badge slot */
.knx-badge{display:inline-flex;align-items:center;height:30px}
.knx-badge img{height:30px;width:auto}
.knx-fallback{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text);border:1px solid var(--line);border-radius:6px;padding:5px 10px;background:var(--surface)}
.knx-badge-sm img{height:26px}
.knx-badge-sm .knx-fallback{font-size:10px;padding:4px 9px}

.btn{font-family:var(--font-body);font-size:14px;font-weight:500;padding:10px 18px;border-radius:8px;cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--text);transition:.2s;display:inline-block}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn-solid{background:var(--accent);color:#1a1206;border-color:var(--accent);font-weight:600}
.btn-solid:hover{background:var(--accent-2);border-color:var(--accent-2);color:#1a1206;box-shadow:0 8px 30px rgba(242,180,90,.22)}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:10px}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--text);width:42px;height:38px;cursor:pointer;font-size:18px}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:68px;overflow:hidden}
#bus{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-glow{position:absolute;z-index:0;top:-10%;right:-5%;width:60vw;height:60vw;max-width:760px;max-height:760px;background:radial-gradient(circle,rgba(242,180,90,calc(.16*var(--glow))) 0%,rgba(242,180,90,0) 62%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:56px;align-items:center;width:100%;padding:60px 0}
.hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(38px,6vw,78px);line-height:1.03;letter-spacing:-.025em;margin:22px 0 24px}
.hero h1 .lit{color:var(--accent);text-shadow:0 0 calc(40px*var(--glow)) rgba(242,180,90,calc(.4*var(--glow)))}
.hero p.lede{font-size:clamp(16px,1.5vw,18.5px);color:var(--muted);max-width:540px;margin-bottom:34px}
.hero p.lede strong{color:var(--text);font-weight:500}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-meta{margin-top:40px;display:flex;gap:34px;flex-wrap:wrap}
.hero-meta div span{display:block;font-family:var(--font-mono);font-size:12px;color:var(--muted-2);letter-spacing:.05em;text-transform:uppercase}
.hero-meta div strong{font-family:var(--font-display);font-weight:500;font-size:19px;color:var(--text)}

/* dimmer panel */
.panel{background:linear-gradient(180deg,var(--surface) 0%,var(--bg-2) 100%);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 30px 70px -30px rgba(0,0,0,.7);position:relative}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.panel-head .ga{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.panel-head .state{font-family:var(--font-mono);font-size:11px;color:var(--accent);border:1px solid rgba(242,180,90,.3);border-radius:20px;padding:3px 10px}
.panel-label{font-family:var(--font-display);font-weight:500;font-size:15px;margin:8px 0 2px}
.panel-sub{font-size:12.5px;color:var(--muted);margin-bottom:20px}
.bulb{height:118px;border-radius:12px;margin-bottom:20px;background:radial-gradient(120px 90px at 50% 42%,rgba(242,180,90,calc(.85*var(--glow))) 0%,rgba(242,180,90,calc(.12*var(--glow))) 45%,rgba(20,24,28,0) 72%),var(--bg);border:1px solid var(--line-soft);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;transition:background .12s linear}
.bulb .pct{font-family:var(--font-display);font-weight:600;font-size:34px;color:var(--text);z-index:2;text-shadow:0 0 30px rgba(0,0,0,.5)}
.slider-row{display:flex;align-items:center;gap:14px}
.slider-row .ico{font-family:var(--font-mono);font-size:12px;color:var(--muted-2);width:16px;text-align:center}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--accent) 0%,var(--accent) calc(var(--glow)*100%),var(--line) calc(var(--glow)*100%));outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);border:3px solid var(--bg);box-shadow:0 0 0 1px var(--accent),0 2px 10px rgba(242,180,90,.5);cursor:pointer}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);border:3px solid var(--bg);cursor:pointer}
input[type=range]:focus-visible{box-shadow:0 0 0 3px rgba(242,180,90,.35)}
.panel-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);display:flex;justify-content:space-between}
.panel-foot span.live{color:var(--accent)}

/* ---------- STANDARDS STRIP ---------- */
.strip{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--bg-2)}
.strip-inner{display:flex;align-items:center;gap:40px;padding:20px 0;flex-wrap:wrap}
.strip-inner .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.strip-list{display:flex;gap:34px;flex-wrap:wrap;flex:1}
.strip-list span{font-family:var(--font-display);font-weight:500;font-size:16px;color:var(--text);opacity:.78}

/* ---------- SECTION SHELL ---------- */
section{position:relative}
.block{padding:104px 0}
.sec-head{max-width:680px;margin-bottom:54px}
.sec-head h2{font-family:var(--font-display);font-weight:600;font-size:clamp(28px,4vw,44px);letter-spacing:-.02em;line-height:1.08;margin:18px 0 16px}
.sec-head p{color:var(--muted);font-size:16.5px}

/* ---------- SERVICES ---------- */
.svc-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px;position:relative;overflow:hidden;transition:.25s}
.card:hover{border-color:rgba(242,180,90,.4);transform:translateY(-3px)}
.card.feature{background:linear-gradient(155deg,var(--surface-2) 0%,var(--surface) 60%);border-color:rgba(242,180,90,.22)}
.card .ga{font-family:var(--font-mono);font-size:12px;color:var(--muted-2);letter-spacing:.04em}
.card h3{font-family:var(--font-display);font-weight:600;font-size:21px;margin:18px 0 12px;letter-spacing:-.01em}
.card.feature h3{font-size:27px}
.card p{color:var(--muted);font-size:14.5px}
.card ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.card ul li{font-size:13.5px;color:var(--text);font-family:var(--font-mono);display:flex;gap:10px;align-items:baseline}
.card ul li::before{content:"›";color:var(--accent);font-weight:600}
.card .num{position:absolute;top:24px;right:28px;font-family:var(--font-mono);font-size:12px;color:var(--muted-2);border:1px solid var(--line);border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center}
.card.feature .num{color:var(--accent);border-color:rgba(242,180,90,.4)}

/* ---------- APP SHOWCASE ---------- */
.app{background:var(--bg-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.app-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.app h2{font-family:var(--font-display);font-weight:600;font-size:clamp(28px,4.2vw,46px);letter-spacing:-.025em;line-height:1.06;margin:20px 0 22px}
.app h2 em{font-style:normal;color:var(--accent)}
.app .lede{color:var(--muted);font-size:16.5px;max-width:480px;margin-bottom:26px}
.app-feat{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}
.app-feat .row{display:flex;gap:14px;align-items:flex-start}
.app-feat .row .mk{font-family:var(--font-mono);font-size:12px;color:var(--accent);margin-top:3px}
.app-feat .row b{font-family:var(--font-display);font-weight:500;font-size:15.5px;display:block;margin-bottom:2px}
.app-feat .row span{color:var(--muted);font-size:14px}
.stores{display:flex;gap:12px;flex-wrap:wrap}
.store{display:flex;align-items:center;gap:11px;border:1px solid var(--line);border-radius:11px;padding:10px 18px;transition:.2s}
.store:hover{border-color:var(--accent)}
.store .glyph{font-size:18px;color:var(--accent)}
.store small{display:block;font-size:10.5px;color:var(--muted);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em}
.store strong{font-family:var(--font-display);font-weight:500;font-size:14.5px}

/* app/browser mockup */
.app-stage{position:relative;display:flex;justify-content:center}
.app-stage::before{content:"";position:absolute;width:380px;height:300px;background:radial-gradient(circle,rgba(242,180,90,.13),transparent 65%);top:50%;left:50%;transform:translate(-50%,-50%)}
.appwin{width:100%;max-width:520px;border-radius:14px;overflow:hidden;border:1px solid #2c343d;background:#0c1014;box-shadow:0 40px 90px -30px rgba(0,0,0,.8);position:relative;z-index:2}
.aw-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#10151a;border-bottom:1px solid var(--line)}
.aw-bar .d{width:10px;height:10px;border-radius:50%;background:var(--line)}
.aw-bar .d.r{background:#e0735e55}.aw-bar .d.y{background:#e8b34555}.aw-bar .d.g{background:#6fbf8c55}
.aw-bar .aw-url{margin-left:12px;font-family:var(--font-mono);font-size:11.5px;color:var(--muted)}
.aw-body{display:grid;grid-template-columns:150px 1fr;min-height:300px}
.aw-side{background:#0e1318;border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;gap:3px}
.aw-side .aw-logo{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#1a1206;font-family:var(--font-display);font-weight:700;display:flex;align-items:center;justify-content:center;margin:2px 0 12px 6px}
.aw-side a{font-size:12.5px;color:var(--muted);padding:8px 10px;border-radius:7px;font-family:var(--font-body)}
.aw-side a.active{background:rgba(242,180,90,.12);color:var(--accent)}
.aw-main{padding:18px}
.aw-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.aw-head small{font-family:var(--font-mono);font-size:10.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.08em;display:block}
.aw-head b{font-family:var(--font-display);font-weight:600;font-size:24px}
.aw-btn{font-size:12px;background:var(--accent);color:#1a1206;font-weight:600;padding:8px 12px;border-radius:8px;font-family:var(--font-body)}
.aw-rows{display:flex;flex-direction:column;gap:8px}
.aw-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:center;background:rgba(255,255,255,.03);border:1px solid var(--line-soft);border-radius:9px;padding:11px 13px}
.aw-row .ref{font-family:var(--font-mono);font-size:11.5px;color:var(--muted)}
.aw-row .cli{font-size:13px;color:var(--text)}
.aw-row .amt{font-family:var(--font-mono);font-size:12.5px;color:var(--text)}
.aw-row .pill{font-size:10.5px;font-family:var(--font-mono);padding:3px 9px;border-radius:20px}
.pill.paid{color:var(--ok);border:1px solid rgba(111,191,140,.4)}
.pill.due{color:var(--err);border:1px solid rgba(224,115,94,.4)}
.pill.sent{color:var(--accent);border:1px solid rgba(242,180,90,.4)}

/* ---------- PROCESS ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.step{padding:28px 24px;border-right:1px solid var(--line);position:relative;transition:background .25s}
.step:last-child{border-right:none}
.step:hover{background:var(--surface)}
.step .n{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.1em}
.step h4{font-family:var(--font-display);font-weight:600;font-size:17px;margin:20px 0 10px}
.step p{font-size:13px;color:var(--muted)}
.step .bar{position:absolute;left:0;top:0;height:2px;width:100%;background:var(--line)}
.step .bar::after{content:"";position:absolute;left:0;top:0;height:100%;width:20%;background:var(--accent)}
.step:nth-child(2) .bar::after{width:40%}
.step:nth-child(3) .bar::after{width:60%}
.step:nth-child(4) .bar::after{width:80%}
.step:nth-child(5) .bar::after{width:100%}

/* ---------- PROJECTS ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proj{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.proj:hover{transform:translateY(-3px);border-color:rgba(242,180,90,.35)}
.proj .vis{height:172px;position:relative;overflow:hidden;background:var(--bg)}
.proj .vis .g1{position:absolute;inset:0;background:radial-gradient(140px 120px at 30% 30%,rgba(242,180,90,.5),transparent 60%),radial-gradient(180px 160px at 80% 80%,rgba(91,141,184,.32),transparent 62%),#11151a}
.proj .vis .grid-lines{position:absolute;inset:0;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:26px 26px;opacity:.5}
.proj .body{padding:22px 24px 26px}
.proj .meta{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase;display:flex;justify-content:space-between}
.proj h4{font-family:var(--font-display);font-weight:600;font-size:18px;margin:14px 0 8px}
.proj p{font-size:13.5px;color:var(--muted)}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-grid h2{font-family:var(--font-display);font-weight:600;font-size:clamp(26px,3.6vw,40px);letter-spacing:-.02em;line-height:1.1;margin-bottom:22px}
.about-grid p{color:var(--muted);font-size:16px;margin-bottom:18px}
.about-grid p strong{color:var(--text);font-weight:500}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.stat{background:var(--surface);padding:28px}
.stat strong{font-family:var(--font-display);font-weight:600;font-size:38px;color:var(--accent);display:block;letter-spacing:-.02em}
.stat span{font-size:13px;color:var(--muted);font-family:var(--font-mono)}

/* ---------- CONTACT ---------- */
.contact{text-align:center}
.contact-card{background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:22px;padding:64px 40px;position:relative;overflow:hidden}
.contact-card::before{content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:540px;height:540px;background:radial-gradient(circle,rgba(242,180,90,.12),transparent 60%)}
.contact-card h2{font-family:var(--font-display);font-weight:600;font-size:clamp(28px,4.6vw,48px);letter-spacing:-.025em;position:relative;margin-bottom:16px;line-height:1.06}
.contact-card p{color:var(--muted);font-size:17px;max-width:500px;margin:0 auto 30px;position:relative}
.contact-form{position:relative;max-width:560px;margin:0 auto;text-align:left;display:flex;flex-direction:column;gap:12px}
.contact-form .f-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-form input,.contact-form textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--text);font-family:var(--font-body);font-size:14.5px;transition:border-color .2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent)}
.contact-form textarea{resize:vertical;min-height:110px}
.contact-form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.f-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;justify-content:center}
.flash{position:relative;max-width:560px;margin:0 auto 20px;padding:13px 18px;border-radius:10px;font-size:14.5px}
.flash-ok{background:rgba(111,191,140,.12);border:1px solid rgba(111,191,140,.4);color:var(--ok)}
.flash-err{background:rgba(224,115,94,.12);border:1px solid rgba(224,115,94,.4);color:var(--err)}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line-soft);padding:44px 0 50px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.foot-brand{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.foot .brand{font-size:16px}
.foot p{font-family:var(--font-mono);font-size:12px;color:var(--muted-2)}
.foot-links{display:flex;gap:24px}
.foot-links a{font-size:13px;color:var(--muted);transition:.2s}
.foot-links a:hover{color:var(--accent)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .panel{max-width:420px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .card.feature{grid-column:span 2}
  .app-grid,.about-grid{grid-template-columns:1fr;gap:44px}
  .app-stage{order:-1}
  .steps{grid-template-columns:1fr 1fr}
  .step{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .proj-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .wrap{padding:0 20px}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg-2);flex-direction:column;padding:18px 28px;gap:18px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-right .btn-solid,.nav-right .knx-badge{display:none}
  .menu-toggle{display:block}
  .block{padding:72px 0}
  .svc-grid{grid-template-columns:1fr}
  .card.feature{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .step{border-right:none}
  .proj-grid{grid-template-columns:1fr}
  .hero-meta{gap:24px}
  .stat-grid{grid-template-columns:1fr}
  .contact-form .f-row{grid-template-columns:1fr}
  .aw-body{grid-template-columns:1fr}
  .aw-side{flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--line)}
  .aw-side .aw-logo{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- v2 additions: lang switch, consent, project image ---------- */
.lang-switch{display:flex;gap:2px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:3px;background:var(--surface)}
.lang-switch a{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--muted);padding:4px 7px;border-radius:5px;transition:.18s}
.lang-switch a:hover{color:var(--text)}
.lang-switch a.on{background:rgba(242,180,90,.14);color:var(--accent)}

.knx-fallback{display:none;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text);border:1px solid var(--line);border-radius:6px;padding:5px 10px;background:var(--surface)}
.knx-badge-sm .knx-fallback{font-size:10px;padding:4px 9px}

.proj .vis .proj-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.consent{display:flex;align-items:flex-start;gap:10px;text-align:left;margin-top:4px;font-size:13px;color:var(--muted);max-width:560px;margin-left:auto;margin-right:auto}
.consent input{width:auto;margin-top:3px;flex-shrink:0;accent-color:var(--accent)}
.consent a{color:var(--accent);text-decoration:underline}
.cf-turnstile{display:flex;justify-content:center;margin:4px 0}

@media(max-width:640px){
  .nav-right .lang-switch{display:none}
}