:root{
  --steel:#E6E9ED; --steel-2:#D5DAE0; --ink:#18202C; --ink-2:#4A5566;
  --ember:#E8590C; --ember-2:#FFB02E; --water:#0A87A8; --panel:#FFFFFF;
  --screen:#0B0F1A; --line:#C3CAD3;
  --display:"Archivo", "Arial Narrow", system-ui, sans-serif;
  --body:"Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
body{margin:0;background:var(--steel);color:var(--ink);font:18px/1.55 var(--body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--ember);outline-offset:3px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.brand{font:800 22px/1 var(--display);font-stretch:85%;letter-spacing:-.01em;text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{width:26px;height:26px}
.brand small{display:block;font:600 13px/1.2 var(--body);color:var(--ink-2);letter-spacing:0;margin-top:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 17px/1 var(--body);text-decoration:none;border-radius:999px;padding:15px 24px;border:2px solid transparent;cursor:pointer;transition:transform .15s ease, background .15s ease}
.btn:active{transform:scale(.98)}
.btn-wa{background:#1FA855;color:#fff}
.btn-wa:hover{background:#178F47}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--steel)}
.btn svg{width:20px;height:20px;flex:none}
.top .btn{padding:11px 18px;font-size:15px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:28px 0 72px}
.hero h1{font:900 clamp(40px,6.2vw,76px)/.95 var(--display);font-stretch:72%;letter-spacing:-.02em;margin:0 0 22px;text-wrap:balance}
.hero p.lead{font-size:20px;color:var(--ink-2);max-width:34em;margin:0 0 30px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-notes{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:28px;padding:0;list-style:none;color:var(--ink-2);font-size:16px}
.hero-notes li{display:flex;align-items:center;gap:8px}
.hero-notes li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ember)}

/* ---------- device ---------- */
.device{justify-self:center;width:min(330px,100%);background:linear-gradient(160deg,#2A313C,#12161D);border-radius:28px;padding:18px 16px 24px;box-shadow:0 30px 60px -20px rgba(24,32,44,.55), inset 0 1px 0 rgba(255,255,255,.12)}
.device .cap{display:flex;justify-content:space-between;color:#8C97B0;font:600 11px/1 var(--body);padding:0 6px 10px}
.screen{background:var(--screen);border-radius:10px;aspect-ratio:240/320;position:relative;overflow:hidden;color:#fff;font-family:var(--body)}
.scr{position:absolute;inset:0;display:flex;flex-direction:column;padding:8px 10px 10px}
.scr .bar{display:flex;justify-content:space-between;font-size:11px;color:#8C97B0}
.scr .bar b{color:#00E676;font-weight:700}
.gauge{position:relative;width:62%;margin:6px auto 0}
.gauge svg{display:block;width:100%;height:auto}
.gauge .val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:6%}
.gauge .val strong{font:300 38px/1 var(--body)}
.gauge .val span{font-size:11px;color:#8C97B0}
.fum{position:absolute;left:10px;top:44px;font-size:10px;color:#8C97B0}
.fum strong{display:block;font-size:17px;color:#FFB300}
.spt{text-align:center;color:#00E5FF;font-weight:700;font-size:13px;margin:4px 0 8px}
.state{border-radius:9px;padding:7px 10px;transition:background .6s ease}
.state strong{display:block;font-size:15px}
.state span{font-size:11px;opacity:.9}
.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-top:8px}
.chip{border-radius:8px;background:#263238;color:#8C97B0;font-size:10px;font-weight:700;text-align:center;padding:7px 0;transition:background .4s ease,color .4s ease}
.chip.on{color:#fff}
.chip.on.v{background:linear-gradient(90deg,#00B8D4,#2962FF)}
.chip.on.s{background:linear-gradient(90deg,#FFB300,#FF6D00)}
.chip.on.b{background:linear-gradient(90deg,#FF1744,#C51162)}
.chip.on.p{background:linear-gradient(90deg,#00C853,#00897B)}
.tabs{margin-top:auto;display:grid;grid-template-columns:repeat(3,1fr);font-size:11px;color:#8C97B0;text-align:center;border-top:1px solid #1E2740;padding-top:6px}
.tabs span:first-child{color:#FF6D00;font-weight:700}
.device .caption{color:#8C97B0;font-size:13px;text-align:center;margin:14px 0 0}

/* ---------- sections ---------- */
section{padding:72px 0;border-top:1px solid var(--line)}
h2{font:900 clamp(32px,4.4vw,52px)/1 var(--display);font-stretch:75%;letter-spacing:-.015em;margin:0 0 14px;text-wrap:balance}
.intro{color:var(--ink-2);max-width:40em;margin:0 0 40px;font-size:19px}

/* produse: două coloane despărțite, nu carduri identice */
.split{display:grid;grid-template-columns:1fr 1fr;background:var(--panel);border-radius:22px;overflow:hidden;box-shadow:0 1px 0 var(--line)}
.split > div{padding:36px 34px 38px}
.split > div + div{border-left:1px solid var(--steel-2)}
.split h3{font:800 30px/1.05 var(--display);font-stretch:80%;margin:0 0 6px;display:flex;align-items:center;gap:12px}
.split h3 svg{width:34px;height:34px;flex:none}
.split .for{color:var(--ink-2);margin:0 0 22px}
.split ul{margin:0 0 28px;padding:0;list-style:none}
.split li{padding:10px 0;border-top:1px solid var(--steel-2)}
.split li:first-child{border-top:0}
.cent h3{color:var(--water)}
.sem h3{color:var(--ember)}

/* ciclul: e o secvență reală, deci numerotat */
.cycle{counter-reset:s;display:grid;grid-template-columns:repeat(7,1fr);gap:0;margin:0;padding:0;list-style:none;position:relative}
.cycle::before{content:"";position:absolute;left:22px;right:22px;top:21px;height:4px;border-radius:2px;background:linear-gradient(90deg,#0091EA,#FFA000,#FF6D00,#FFB300,#FF3D00,#5E35B1,#00897B)}
.cycle li{counter-increment:s;position:relative;padding:0 10px 0 0}
.cycle li::before{content:counter(s);position:relative;z-index:1;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;font:800 19px/1 var(--display);margin-bottom:14px;border:4px solid var(--steel)}
.cycle b{display:block;font:800 19px/1.1 var(--display);font-stretch:85%;margin-bottom:6px}
.cycle span{font-size:15px;color:var(--ink-2);display:block;line-height:1.4}

/* aplicația */
.app{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:26px 34px;margin:0;padding:0;list-style:none}
.feat b{display:block;font-size:18px;margin-bottom:4px}
.feat span{color:var(--ink-2);font-size:16px}

/* siguranța */
.safe{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.safe h3{font:800 22px/1.1 var(--display);font-stretch:85%;margin:0 0 12px}
.safe ul{margin:0;padding-left:20px}
.safe li{margin:7px 0}
.warn{background:var(--ink);color:#E6E9ED;border-radius:18px;padding:28px 30px}
.warn h3{color:var(--ember-2)}
.warn p{margin:0 0 12px;color:#C3CAD3}

/* specificații */
.specs{width:100%;border-collapse:collapse;background:var(--panel);border-radius:16px;overflow:hidden}
.specs th,.specs td{text-align:left;padding:14px 18px;border-top:1px solid var(--steel-2);vertical-align:top}
.specs tr:first-child th,.specs tr:first-child td{border-top:0}
.specs th{width:34%;font-weight:600;color:var(--ink-2)}
.table-wrap{overflow-x:auto;border-radius:16px}

/* oferta */
.offer{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:2px solid var(--ink);border-radius:20px;overflow:hidden;background:var(--panel)}
.offer > div{padding:28px 26px}
.offer > div + div{border-left:2px solid var(--ink)}
.offer h3{font:800 24px/1.05 var(--display);font-stretch:82%;margin:0 0 10px}
.offer p{margin:0 0 14px;color:var(--ink-2);font-size:16px}
.offer .price{font:800 20px/1 var(--display);color:var(--ember)}

/* faq */
details{border-top:1px solid var(--line);padding:4px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:700;font-size:19px;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:10px;font:400 30px/1 var(--body);color:var(--ember);transition:transform .2s ease}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0 0 18px;color:var(--ink-2);max-width:46em}

/* final */
.final{background:var(--ink);color:#fff;border-radius:26px;padding:56px 48px;display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center}
.final h2{color:#fff}
.final p{color:#C3CAD3;margin:0}
.final .cta-col{display:flex;flex-direction:column;gap:12px}
.final .btn-ghost{border-color:#fff;color:#fff}
.final .btn-ghost:hover{background:#fff;color:var(--ink)}
footer{padding:36px 0 44px;color:var(--ink-2);font-size:15px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero,.app,.safe,.final{grid-template-columns:1fr}
  .hero{gap:40px;padding-bottom:56px}
  .split{grid-template-columns:1fr}
  .split > div + div{border-left:0;border-top:1px solid var(--steel-2)}
  .cycle{grid-template-columns:1fr;gap:18px}
  .cycle::before{left:21px;right:auto;top:20px;bottom:20px;width:4px;height:auto;background:linear-gradient(180deg,#0091EA,#FFA000,#FF6D00,#FFB300,#FF3D00,#5E35B1,#00897B)}
  .cycle li{display:grid;grid-template-columns:46px 1fr;column-gap:16px;padding:0}
  .cycle li::before{grid-row:span 2;margin:0}
  .offer{grid-template-columns:1fr}
  .offer > div + div{border-left:0;border-top:2px solid var(--ink)}
  .final{padding:40px 26px}
}
@media (max-width:560px){
  body{font-size:17px}
  .feat{grid-template-columns:1fr}
  .top .btn span{display:none}
  section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

/* ---- sistem ---- */

:root{
  --steel:#E6E9ED; --steel-2:#D5DAE0; --ink:#18202C; --ink-2:#4A5566;
  --ember:#E8590C; --ember-2:#FFB02E; --water:#0A87A8; --air:#C2410C; --room:#0E9F6E; --panel:#FFFFFF; --line:#C3CAD3;
  --display:"Archivo","Arial Narrow",system-ui,sans-serif;
  --body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
body{margin:0;background:var(--steel);color:var(--ink);font:18px/1.55 var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:3px solid var(--ember);outline-offset:3px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}

header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.brand{font:800 22px/1 var(--display);font-stretch:85%;text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{width:26px;height:26px}
.brand small{display:block;font:600 13px/1.2 var(--body);color:var(--ink-2);margin-top:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 17px/1 var(--body);text-decoration:none;border-radius:999px;padding:15px 24px;border:2px solid transparent;cursor:pointer}
.btn-wa{background:#1FA855;color:#fff}
.btn-wa:hover{background:#178F47}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--steel)}
.top .btn{padding:11px 18px;font-size:15px}

h1{font:900 clamp(38px,5.6vw,68px)/.96 var(--display);font-stretch:72%;letter-spacing:-.02em;margin:0 0 20px;text-wrap:balance}
h2{font:900 clamp(30px,4.2vw,48px)/1 var(--display);font-stretch:75%;letter-spacing:-.015em;margin:0 0 14px;text-wrap:balance}
h3{font:800 23px/1.1 var(--display);font-stretch:85%;margin:0 0 8px}
.intro{color:var(--ink-2);max-width:40em;margin:0 0 36px;font-size:19px}
section{padding:68px 0;border-top:1px solid var(--line)}

/* ---------- harta sistemului (elementul principal) ---------- */
.map{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;padding:24px 0 64px}
.map .lead{font-size:20px;color:var(--ink-2);margin:0 0 26px;max-width:32em}
.diagram{background:var(--panel);border-radius:24px;padding:14px;box-shadow:0 1px 0 var(--line)}
.diagram svg{display:block;width:100%;height:auto}
.node{cursor:pointer}
.node rect{fill:#F4F6F8;stroke:var(--line);stroke-width:1.5;transition:fill .2s ease, stroke .2s ease}
.node text{font-family:var(--body);font-size:15px;font-weight:700;fill:var(--ink);pointer-events:none}
.node text.s{font-size:12px;font-weight:400;fill:var(--ink-2)}
.node:hover rect{stroke:var(--ink-2)}
.node:focus{outline:none}
.node:focus-visible rect{stroke:var(--ember);stroke-width:3}
.node.on rect{fill:var(--ink);stroke:var(--ink)}
.node.on text{fill:#fff}
.node.on text.s{fill:#C3CAD3}
.edge{fill:none;stroke:#B4BCC7;stroke-width:3;transition:stroke .2s ease, opacity .2s ease}
.edge.net{stroke-dasharray:7 7}
.edge.lit{stroke:var(--ember);opacity:1}
.edge.lit.water{stroke:var(--room)}
.dim .edge:not(.lit){opacity:.35}
.elabel{font-family:var(--body);font-size:11.5px;fill:var(--ink-2)}
.detail{margin-top:22px;min-height:190px}
.detail h3{display:flex;align-items:center;gap:10px}
.detail p{margin:0 0 10px;color:var(--ink-2)}
.detail ul{margin:6px 0 0;padding-left:20px}
.detail li{margin:4px 0}
.hint{font-size:15px;color:var(--ink-2);margin:12px 0 0}

/* ---------- componente ---------- */
.parts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--panel);border-radius:22px;overflow:hidden}
.parts > div{padding:30px 28px;border-top:1px solid var(--steel-2)}
.parts > div:nth-child(-n+3){border-top:0}
.parts > div:not(:nth-child(3n+1)){border-left:1px solid var(--steel-2)}
.parts .tag{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:8px;vertical-align:1px}
.parts p{margin:0;color:var(--ink-2);font-size:16px}

/* ---------- comunicare ---------- */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.paths h3{font-size:21px}
.paths p{margin:0;color:var(--ink-2);font-size:16px}
.paths .line{height:6px;border-radius:3px;margin-bottom:16px}

/* ---------- punere în funcțiune: secvență reală ---------- */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
.steps li:first-child{border-top:0}
.steps li::before{content:counter(s);font:900 44px/1 var(--display);font-stretch:70%;color:var(--ember)}
.steps b{display:block;font-size:19px;margin-bottom:3px}
.steps span{color:var(--ink-2);font-size:16px}
.steps em{font-style:normal;font-size:14px;color:var(--room);font-weight:700}

/* ---------- scenarii ---------- */
.cases{width:100%;border-collapse:collapse;background:var(--panel);border-radius:16px;overflow:hidden}
.cases th,.cases td{text-align:left;padding:15px 18px;border-top:1px solid var(--steel-2);vertical-align:top}
.cases thead th{border-top:0;background:var(--ink);color:#fff;font-weight:700;font-size:15px}
.cases tbody th{width:28%;font-weight:700}
.cases td{color:var(--ink-2)}
.table-wrap{overflow-x:auto;border-radius:16px}

.final{background:var(--ink);color:#fff;border-radius:26px;padding:52px 46px;display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:center}
.final h2{color:#fff}
.final p{color:#C3CAD3;margin:0}
.final .col{display:flex;flex-direction:column;gap:12px}
.final .btn-ghost{border-color:#fff;color:#fff}
.final .btn-ghost:hover{background:#fff;color:var(--ink)}
footer{padding:34px 0 44px;color:var(--ink-2);font-size:15px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

@media (max-width:920px){
  .map,.final{grid-template-columns:1fr}
  .parts{grid-template-columns:1fr}
  .parts > div{border-left:0!important;border-top:1px solid var(--steel-2)!important}
  .parts > div:first-child{border-top:0!important}
  .paths{grid-template-columns:1fr;gap:24px}
  .final{padding:38px 24px}
}
@media (max-width:560px){
  body{font-size:17px}
  section{padding:54px 0}
  .top .btn span{display:none}
  .steps li{grid-template-columns:44px 1fr;gap:12px}
  .steps li::before{font-size:36px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ---- site: navigare, pagini simple ---- */
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 0;flex-wrap:wrap}
.nav nav{display:flex;flex-wrap:wrap;gap:4px 18px;align-items:center}
.nav nav a{text-decoration:none;font-weight:600;font-size:16px;color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent}
.nav nav a:hover,.nav nav a.act{color:var(--ink);border-bottom-color:var(--ember)}
.nav .btn{padding:11px 18px;font-size:15px}
.menu-btn{display:none;background:none;border:2px solid var(--ink);border-radius:10px;padding:8px 12px;font:700 15px var(--body);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav nav{display:none;width:100%;flex-direction:column;align-items:flex-start;gap:0;border-top:1px solid var(--line);padding-top:6px}
  .nav.open nav{display:flex}
  .nav nav a{padding:10px 0;font-size:18px;width:100%}
}
.page{padding:28px 0 60px}
.page h1{font:900 clamp(36px,5vw,60px)/.98 var(--display);font-stretch:74%;letter-spacing:-.02em;margin:0 0 16px}
.page .lead{font-size:20px;color:var(--ink-2);max-width:40em;margin:0 0 30px}
.card{background:var(--panel);border-radius:20px;padding:28px 28px 30px;box-shadow:0 1px 0 var(--line)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (max-width:900px){.cols{grid-template-columns:1fr}}
.list{margin:0;padding:0;list-style:none}
.list li{padding:11px 0;border-top:1px solid var(--steel-2)}
.list li:first-child{border-top:0}
form.f label{display:block;font-weight:600;font-size:15px;margin:14px 0 6px}
form.f input,form.f textarea,form.f select{width:100%;font:17px var(--body);padding:12px 14px;border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
form.f input:focus,form.f textarea:focus,form.f select:focus{border-color:var(--ink);outline:none}
form.f textarea{min-height:130px;resize:vertical}
form.f .btn{margin-top:18px}
.ok-box{background:#E3F6EC;border:2px solid #1FA855;border-radius:14px;padding:16px 18px;margin-bottom:18px}
.err-box{background:#FDECEC;border:2px solid #D32F2F;border-radius:14px;padding:16px 18px;margin-bottom:18px}
.ver{border-top:1px solid var(--line);padding:18px 0}
.ver h3{margin:0 0 4px}
.ver .meta{color:var(--ink-2);font-size:15px;margin-bottom:8px}
.ver pre{white-space:pre-wrap;font:16px/1.5 var(--body);margin:0}
.code-big{font:900 88px/1 var(--display);font-stretch:70%;color:var(--ember)}
.store{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hp{position:absolute;left:-9999px}