/* NIX Online — shared styles
   Layout: blueprint grid. Each page opens with a compact page head, then full-width bands separated by hairlines.
   Cyan marks anything live or interactive; navy carries the brand; warm amber is lamplight only. */
:root{
  /* light theme (default tokens) */
  --bg:#F2F6FA;
  --bg-2:#E7EEF5;
  --panel:#FFFFFF;
  --panel-2:#F5F9FC;
  --line:rgba(11,34,64,.11);
  --line-strong:rgba(11,34,64,.22);
  --fg:#0B2240;
  --fg-2:#1B2D47;
  --muted:#58708A;
  --accent:#0670A3;        /* text-safe accent */
  --live:#0A9CC2;          /* fills, dots, rails */
  --live-soft:rgba(10,156,194,.12);
  --btn-bg:#0670A3; --btn-fg:#FFFFFF; --btn-hover:#0A85B8;
  --warm:#D9822B;
  --alert:#D6453A;
  --glow:rgba(6,112,163,.10);
  --header:rgba(242,246,250,.86);
  --stage-a:#E3ECF4; --stage-b:#F6F9FC;
  --tag-bg:rgba(255,255,255,.88);
  --tag-sel:rgba(214,238,248,.95);
  --shadow:0 24px 50px -28px rgba(11,34,64,.35);

  /* screen mockups are always "a device at night" */
  --scr-bg:#0B1E36; --scr-bg-2:#09172A; --scr-card:rgba(4,12,24,.55); --scr-fg:#E8F1F8; --scr-muted:#8FA8C0; --scr-line:rgba(120,188,224,.18); --scr-live:#14B8DC; --scr-warm:#FFC27A; --scr-alert:#FF7A6B;

  --display:"Jost","Futura","Century Gothic","Avenir Next",system-ui,sans-serif;
  --body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --s-xs:.8125rem; --s-sm:.9375rem; --s-md:1.0625rem; --s-lg:1.3125rem; --s-xl:1.75rem;
  --s-2xl:clamp(1.9rem,3.6vw,2.8rem); --s-hero:clamp(2.4rem,5.6vw,4.4rem);
  --band:64px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#06101D; --bg-2:#0A1829; --panel:#0C1E36; --panel-2:#10284A;
    --line:rgba(120,188,224,.15); --line-strong:rgba(120,188,224,.3);
    --fg:#E8F1F8; --fg-2:#CFE0EE; --muted:#8FA8C0;
    --accent:#14B8DC; --live:#14B8DC; --live-soft:rgba(20,184,220,.13);
    --btn-bg:#14B8DC; --btn-fg:#04121F; --btn-hover:#3ccbea;
    --warm:#FFC27A; --alert:#FF7A6B; --glow:rgba(6,112,163,.22);
    --header:rgba(6,16,29,.84);
    --stage-a:#0A1B31; --stage-b:#06101D;
    --tag-bg:rgba(8,22,40,.8); --tag-sel:rgba(10,60,90,.9);
    --shadow:0 30px 60px -30px rgba(0,0,0,.7);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#06101D; --bg-2:#0A1829; --panel:#0C1E36; --panel-2:#10284A;
  --line:rgba(120,188,224,.15); --line-strong:rgba(120,188,224,.3);
  --fg:#E8F1F8; --fg-2:#CFE0EE; --muted:#8FA8C0;
  --accent:#14B8DC; --live:#14B8DC; --live-soft:rgba(20,184,220,.13);
  --btn-bg:#14B8DC; --btn-fg:#04121F; --btn-hover:#3ccbea;
  --warm:#FFC27A; --alert:#FF7A6B; --glow:rgba(6,112,163,.22);
  --header:rgba(6,16,29,.84);
  --stage-a:#0A1B31; --stage-b:#06101D;
  --tag-bg:rgba(8,22,40,.8); --tag-sel:rgba(10,60,90,.9);
  --shadow:0 30px 60px -30px rgba(0,0,0,.7);
  color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font:400 var(--s-md)/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--header)}
a{color:inherit}
img{max-width:100%}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;line-height:1.1;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:1240px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font:500 var(--s-xs)/1 var(--display);letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.lede{color:var(--muted);font-size:var(--s-md);max-width:62ch}
.muted{color:var(--muted)}
b,strong{font-weight:600}
:focus-visible{outline:2px solid var(--live);outline-offset:3px;border-radius:6px}
.btn{display:inline-flex;align-items:center;gap:.55em;font:500 var(--s-sm)/1 var(--display);letter-spacing:.05em;padding:.85em 1.3em;border-radius:999px;text-decoration:none;border:1px solid var(--line-strong);color:var(--fg);background:transparent;cursor:pointer;transition:background .2s,border-color .2s,transform .2s,color .2s}
.btn:hover{border-color:var(--live)}
.btn.primary{background:var(--btn-bg);border-color:var(--btn-bg);color:var(--btn-fg)}
.btn.primary:hover{background:var(--btn-hover);border-color:var(--btn-hover);transform:translateY(-1px)}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.link{color:var(--accent);text-decoration:none;font:500 var(--s-sm)/1 var(--display);letter-spacing:.04em;display:inline-flex;gap:6px;align-items:center}
.link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.link:hover{text-decoration:underline;text-underline-offset:4px}
.ic{width:26px;height:26px;stroke:var(--accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--header);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.brand svg{width:32px;height:32px;flex:none}
.word{font-family:var(--display);font-size:1.3rem;letter-spacing:.02em;line-height:1;color:var(--fg)}
.word b{font-weight:700}.word span{font-weight:300}
.nav{display:flex;gap:4px;font:400 var(--s-sm)/1 var(--display);letter-spacing:.03em}
.nav a{text-decoration:none;color:var(--muted);padding:9px 12px;border-radius:999px;transition:color .2s,background .2s}
.nav a:hover{color:var(--fg);background:var(--live-soft)}
.nav a[aria-current=page]{color:var(--fg);background:var(--live-soft)}
.iconbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--fg);display:grid;place-items:center;cursor:pointer;flex:none}
.iconbtn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.iconbtn:hover{border-color:var(--live)}
.theme-ico-moon{display:none}
:root[data-theme="dark"] .theme-ico-sun{display:none}
:root[data-theme="dark"] .theme-ico-moon{display:block}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .theme-ico-sun{display:none}:root:not([data-theme="light"]) .theme-ico-moon{display:block}}
.menubtn{display:none}
@media (max-width:1000px){
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--panel);border-bottom:1px solid var(--line);padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));box-shadow:var(--shadow)}
  .nav a{padding:14px 8px;border-radius:10px;font-size:var(--s-md)}
  .nav:not(.open){display:none}
  .menubtn{display:grid}
  .top .cta{display:none}
}

/* page head (inner pages) */
.phead{padding-block:44px 36px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.phead::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 85% 0%,var(--glow),transparent 70%);pointer-events:none}
.phead .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px 48px;align-items:end}
.phead h1{font-size:var(--s-hero);font-weight:300;letter-spacing:-.025em}
.phead h1 b{font-weight:700}
.phead h1 em{font-style:normal;color:var(--accent)}
@media (max-width:860px){.phead .wrap{grid-template-columns:1fr}}
.jump{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.jump a{border:1px solid var(--line-strong);border-radius:999px;padding:7px 13px;font:400 var(--s-xs)/1 var(--display);letter-spacing:.04em;text-decoration:none;color:var(--fg)}
.jump a:hover{border-color:var(--live)}

/* bands */
.band{padding-block:var(--band);border-top:1px solid var(--line)}
.band.alt{background:var(--bg-2)}
.band.first{border-top:0}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px 48px;align-items:end;margin-bottom:32px}
.sec-head h2{font-size:var(--s-2xl);font-weight:300}
.sec-head h2 b{font-weight:700}
.sec-head .eyebrow{grid-column:1/-1;margin:0}
@media (max-width:820px){.sec-head{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;min-width:0}

/* home hero */
.hero{padding-block:32px 48px;position:relative}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 75% 20%,var(--glow),transparent 70%);pointer-events:none}
.hero-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:16px 48px;align-items:end;position:relative}
.hero h1{font-size:var(--s-hero);font-weight:300;letter-spacing:-.025em}
.hero h1 b{font-weight:700}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-side{display:grid;gap:18px}
.cta-row{display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:860px){.hero-head{grid-template-columns:1fr}}

.stage-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:14px;margin-top:28px;position:relative}
@media (max-width:1020px){.stage-grid{grid-template-columns:1fr}}
.stage{--sky-a:var(--stage-a);--sky-b:var(--stage-b);position:relative;border-radius:20px;overflow:hidden;min-height:540px;background:linear-gradient(180deg,var(--sky-a),var(--sky-b));border:1px solid var(--line);min-width:0}
@media (max-width:700px){.stage{min-height:420px}}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.stage canvas:active{cursor:grabbing}
.stage-ui{position:absolute;left:14px;right:14px;top:12px;display:flex;justify-content:space-between;gap:10px;pointer-events:none;flex-wrap:wrap;z-index:2}
.chip-live{display:inline-flex;align-items:center;gap:8px;font:500 var(--s-xs)/1 var(--mono);color:var(--fg);background:var(--tag-bg);border:1px solid var(--line);padding:7px 11px;border-radius:999px;backdrop-filter:blur(8px)}
.chip-live.armed{border-color:var(--alert);color:var(--alert)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--live);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 var(--live-soft)}70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media (prefers-reduced-motion: reduce){.dot{animation:none}}
.hint{position:absolute;left:14px;bottom:12px;font:400 var(--s-xs)/1.3 var(--body);color:var(--muted);pointer-events:none;background:var(--tag-bg);padding:6px 10px;border-radius:999px;z-index:2}
.zoom{position:absolute;right:12px;bottom:12px;display:flex;gap:6px;z-index:2}
.zoom button{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);background:var(--tag-bg);color:var(--fg);font:400 18px/1 var(--display);cursor:pointer}
.tag{position:absolute;left:0;top:0;pointer-events:auto;cursor:pointer;white-space:nowrap;background:var(--tag-bg);border:1px solid var(--line-strong);border-radius:9px;padding:5px 9px 6px;font:500 12px/1.25 var(--display);letter-spacing:.03em;color:var(--fg);backdrop-filter:blur(6px);transition:border-color .2s,background .2s,opacity .2s;will-change:transform;z-index:1}
.tag small{display:block;font:400 10.5px/1.3 var(--mono);color:var(--muted);letter-spacing:0}
.tag.sel{border-color:var(--live);background:var(--tag-sel)}
.tag i{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;vertical-align:1px;background:var(--line-strong)}
.fallback{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:24px;color:var(--muted)}

/* console */
.console{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:16px;display:grid;gap:14px;align-content:start;min-width:0}
.c-label{font:500 11px/1 var(--display);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.scenes{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
@media (max-width:460px){.scenes{grid-template-columns:repeat(3,1fr)}}
.scene{display:grid;justify-items:center;gap:5px;padding:9px 4px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--fg);font:400 12px/1.15 var(--display);cursor:pointer;transition:border-color .2s,background .2s}
.scene svg{width:19px;height:19px;stroke:var(--accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.scene:hover{border-color:var(--live)}
.scene.on{background:var(--live-soft);border-color:var(--live)}
.rooms{display:flex;flex-wrap:wrap;gap:6px}
.rchip{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:999px;padding:6px 11px;font:400 12.5px/1 var(--display);cursor:pointer}
.rchip.on{color:var(--bg);background:var(--fg);border-color:var(--fg)}
.ctl{display:grid;grid-template-columns:62px 1fr auto;align-items:center;gap:12px;padding:8px 0;border-top:1px solid var(--line)}
.ctl:first-child{border-top:0}
.ctl label,.ctl .lbl{font:400 var(--s-sm)/1 var(--display);color:var(--fg)}
.ctl output{font:500 12px/1 var(--mono);color:var(--muted);min-width:62px;text-align:right;font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--live);height:22px;margin:0}
.warmth{background:linear-gradient(90deg,#ffb36b,#fff3e2,#cfe4ff);height:3px;border-radius:3px;margin-top:-4px;opacity:.8}
.switch{position:relative;width:44px;height:25px;border-radius:999px;border:1px solid var(--line-strong);background:var(--bg-2);cursor:pointer;flex:none;padding:0;transition:background .2s,border-color .2s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:var(--muted);transition:transform .2s,background .2s}
.switch[aria-checked=true]{background:var(--live-soft);border-color:var(--live)}
.switch[aria-checked=true]::after{transform:translateX(19px);background:var(--live)}
.switch.danger[aria-checked=true]{border-color:var(--alert)}
.switch.danger[aria-checked=true]::after{background:var(--alert)}
.stepper{display:flex;align-items:center;gap:6px}
.stepper button{width:28px;height:28px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--fg);font:400 17px/1 var(--display);cursor:pointer}
.stepper b{font:500 var(--s-sm)/1 var(--mono);min-width:54px;text-align:center;font-variant-numeric:tabular-nums}
.home-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tile{border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.tile span{font:400 var(--s-sm)/1.2 var(--display)}
.tile small{display:block;font:400 11px/1.3 var(--mono);color:var(--muted)}
.readouts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ro{background:var(--bg-2);border-radius:12px;padding:10px 12px}
.ro b{display:block;font:500 1.15rem/1.15 var(--mono);font-variant-numeric:tabular-nums}
.ro small{font:400 10.5px/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.log{list-style:none;margin:0;padding:0;display:grid;gap:3px;font:400 12px/1.45 var(--mono);color:var(--muted);max-height:72px;overflow:hidden}
.log li b{color:var(--accent);font-weight:500;margin-right:8px}
.log li:first-child{color:var(--fg)}

/* standards strip */
.strip{display:flex;flex-wrap:wrap;gap:8px 28px;align-items:center;justify-content:space-between;padding-block:18px;font:500 var(--s-sm)/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.strip span:first-child{color:var(--fg);letter-spacing:.04em;text-transform:none;font-weight:400}

/* tiles grid (home teaser + solutions) */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media (max-width:1020px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.grid4{grid-template-columns:1fr}}
.ftile{display:grid;gap:8px;align-content:start;padding:20px;border-radius:16px;border:1px solid var(--line);background:var(--panel);text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s;min-width:0}
a.ftile:hover{border-color:var(--live);transform:translateY(-2px);box-shadow:var(--shadow)}
.ftile h3{font-size:var(--s-lg);font-weight:500}
.ftile p{color:var(--muted);font-size:var(--s-sm)}
.spec{font:400 11.5px/1.4 var(--mono);color:var(--accent)}

/* split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:center}
@media (max-width:960px){.split{grid-template-columns:1fr}}
.split h2{font-size:var(--s-2xl);font-weight:300;margin-bottom:14px}
.split h2 b{font-weight:700}
.points{display:grid;gap:16px;margin-top:22px}
.point{display:grid;grid-template-columns:26px 1fr;gap:12px}
.point .ic{width:22px;height:22px;margin-top:2px}
.point h3{font-size:var(--s-md);font-weight:500;margin-bottom:3px}
.point p{color:var(--muted);font-size:var(--s-sm)}

/* device screen mockup (always dark) */
.dash{background:linear-gradient(160deg,var(--scr-bg),var(--scr-bg-2));color:var(--scr-fg);border:1px solid var(--scr-line);border-radius:22px;padding:16px;box-shadow:var(--shadow);min-width:0}
.dash .word{color:var(--scr-fg);font-size:1rem}
.dash-top{display:flex;justify-content:space-between;align-items:center;padding:2px 4px 14px;gap:10px;flex-wrap:wrap}
.dash-top small{font:400 11px/1 var(--mono);color:var(--scr-muted)}
.dtabs{display:flex;gap:4px;background:var(--scr-card);border-radius:999px;padding:3px}
.dtabs button{border:0;background:transparent;color:var(--scr-muted);font:500 12px/1 var(--display);letter-spacing:.04em;padding:7px 12px;border-radius:999px;cursor:pointer}
.dtabs button[aria-selected=true]{background:var(--scr-live);color:#04121F}
.dash-cards{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}
.dc{background:var(--scr-card);border:1px solid var(--scr-line);border-radius:13px;padding:13px;min-width:0}
.dc h4{margin:0 0 8px;font:500 10.5px/1 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--scr-muted)}
.dc .big{font:500 1.6rem/1 var(--mono);font-variant-numeric:tabular-nums}
.dc .sub{font:400 11.5px/1.4 var(--mono);color:var(--scr-muted);margin-top:6px}
.dc.tap{cursor:pointer;text-align:left;color:inherit;font:inherit;transition:border-color .2s,background .2s}
.dc.tap.on{border-color:var(--scr-warm);background:rgba(255,194,122,.08)}
.dc.tap.on .big{color:var(--scr-warm)}
.span2{grid-column:span 2}.span3{grid-column:span 3}.span4{grid-column:span 4}.span6{grid-column:span 6}
@media (max-width:560px){.dash-cards{grid-template-columns:repeat(2,1fr)}.span2,.span3,.span4,.span6{grid-column:span 2}.dc.half{grid-column:span 1}}
.spark{width:100%;height:64px;display:block}
.cams{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cam{aspect-ratio:16/10;max-width:100%;border-radius:9px;background:linear-gradient(135deg,#132f50,#0a1a2e);position:relative;overflow:hidden;border:1px solid var(--scr-line)}
.cam::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(120,188,224,.05) 0 2px,transparent 2px 4px)}
.cam span{position:absolute;left:8px;bottom:6px;font:400 10.5px/1 var(--mono);color:var(--scr-fg);z-index:1}
.cam i{position:absolute;right:8px;top:8px;width:6px;height:6px;border-radius:50%;background:var(--scr-alert);z-index:1}
.cam svg{position:absolute;inset:0;width:100%;height:100%}
.pill{display:inline-block;font:500 11px/1 var(--mono);padding:5px 8px;border-radius:999px;background:rgba(20,184,220,.15);color:var(--scr-live)}
.pill.warn{background:rgba(255,194,122,.15);color:var(--scr-warm)}
.pill.off{background:rgba(143,168,192,.15);color:var(--scr-muted)}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:28px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step{padding-right:22px;min-width:0}
.step .n{font:300 2.6rem/1 var(--display);color:var(--accent);display:block;margin-bottom:12px}
.step .n::before{counter-increment:step;content:counter(step,decimal-leading-zero)}
.step .rail{height:1px;background:var(--line-strong);margin-bottom:18px;position:relative}
.step .rail::after{content:"";position:absolute;left:0;top:-3px;width:7px;height:7px;border-radius:50%;background:var(--live)}
.step h3{font-size:var(--s-lg);font-weight:500;margin-bottom:6px}
.step p{color:var(--muted);font-size:var(--s-sm)}
.step .t{font:400 12px/1 var(--mono);color:var(--accent);margin-top:10px;display:block}

/* cta band */
.ctaband{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px 40px;align-items:center;padding:32px;border-radius:22px;background:linear-gradient(120deg,#0B2240,#0670A3);color:#E8F1F8;position:relative;overflow:hidden}
.ctaband::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:40px;transform:rotate(18deg);background:linear-gradient(135deg,rgba(120,188,224,.35),rgba(20,184,220,.05))}
.ctaband h2{font-size:var(--s-2xl);font-weight:300;position:relative;z-index:1}
.ctaband h2 b{font-weight:700}
.ctaband p{color:#B9D3E6;margin-top:8px;position:relative;z-index:1}
.ctaband .btn{position:relative;z-index:1;background:#14B8DC;border-color:#14B8DC;color:#04121F}
.ctaband .btn:hover{background:#3ccbea}
@media (max-width:760px){.ctaband{grid-template-columns:1fr;padding:24px}}

/* forms */
.field{display:grid;gap:9px;margin-bottom:18px}
.field label,.field legend,.flabel{font:500 var(--s-xs)/1 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.field .row{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.field .row output{font:500 var(--s-lg)/1 var(--mono);color:var(--fg);font-variant-numeric:tabular-nums}
fieldset{border:0;padding:0;margin:0 0 18px;min-width:0}
fieldset legend{margin-bottom:10px;padding:0}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{border:1px solid var(--line-strong);border-radius:999px;padding:8px 13px;font:400 var(--s-sm)/1 var(--display);cursor:pointer;letter-spacing:0;text-transform:none;color:var(--fg)}
.seg input:checked+label{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.seg input:focus-visible+label{outline:2px solid var(--live);outline-offset:2px}
.seg.soft input:checked+label{background:var(--live-soft);border-color:var(--live);color:var(--fg)}
.checks{display:grid;gap:8px}
.checks label{display:flex;gap:10px;align-items:center;font:400 var(--s-sm)/1.3 var(--body);cursor:pointer;color:var(--fg);text-transform:none;letter-spacing:0}
.checks input{accent-color:var(--live);width:18px;height:18px;flex:none;margin:0}
.inp{display:grid;gap:7px;margin-bottom:14px}
.inp label{font:500 var(--s-xs)/1 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.inp input,.inp select,.inp textarea{width:100%;background:var(--bg);border:1px solid var(--line-strong);border-radius:11px;padding:11px 13px;color:var(--fg);font:400 var(--s-md)/1.4 var(--body)}
.inp input:focus,.inp select:focus,.inp textarea:focus{outline:none;border-color:var(--live)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.two{grid-template-columns:1fr}}
.formmsg{margin-top:12px;font-size:var(--s-sm);color:var(--accent)}
.formmsg.err{color:var(--alert)}

/* faq */
details{border-top:1px solid var(--line);padding:16px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font:400 var(--s-lg)/1.3 var(--display)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-weight:300;font-size:1.5rem;line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin-top:10px;max-width:66ch;font-size:var(--s-sm)}

/* footer */
footer{border-top:1px solid var(--line);padding-block:44px 28px;background:var(--bg-2)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
@media (max-width:900px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot{grid-template-columns:1fr}}
.foot h4{margin:0 0 10px;font:500 var(--s-xs)/1 var(--display);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.foot p,.foot li{font-size:var(--s-sm);color:var(--muted)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a{text-decoration:none}.foot a:hover{color:var(--fg)}
.tagline{font:400 10.5px/1 var(--display);letter-spacing:.16em;color:var(--muted);margin-top:10px}
.legal{margin-top:32px;font:400 12px/1.5 var(--mono);color:var(--muted);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;opacity:.8}

.reveal{transition:transform .7s cubic-bezier(.2,.8,.2,1),opacity .7s}
.reveal.pre{transform:translateY(14px);opacity:.4}
@media (prefers-reduced-motion: reduce){.reveal.pre{transform:none;opacity:1}}

/* solutions: category rows */
.cat{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.4fr);gap:24px 48px;align-items:start}
@media (max-width:900px){.cat{grid-template-columns:1fr}}
.cat-head{position:sticky;top:calc(env(safe-area-inset-top,0px) + 86px)}
@media (max-width:900px){.cat-head{position:static}}
.cat-n{display:block;font:500 var(--s-xs)/1 var(--display);letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.cat-head h2{font-size:var(--s-xl);font-weight:400}
.sys{display:grid;border-top:1px solid var(--line)}
.sys article{display:grid;grid-template-columns:40px minmax(0,1fr) minmax(0,190px);gap:6px 18px;padding:20px 0;border-bottom:1px solid var(--line)}
.sys h3{font-size:var(--s-lg);font-weight:500;margin-bottom:6px}
.sys p{color:var(--muted);font-size:var(--s-sm);max-width:62ch}
.sys ul{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.sys li{font:400 12px/1 var(--display);letter-spacing:.03em;padding:6px 10px;border-radius:999px;background:var(--live-soft);color:var(--fg)}
.sys .spec{text-align:right;padding-top:6px}
.sys .spec .link{font-size:var(--s-xs)}
@media (max-width:640px){.sys article{grid-template-columns:34px minmax(0,1fr)}.sys .spec{grid-column:2;text-align:left;padding-top:0}}

/* hub page */
.hubhero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:960px){.hubhero{grid-template-columns:1fr}}
.climrow{display:grid;grid-template-columns:1fr auto;gap:6px 12px;font:400 12.5px/1.3 var(--mono)}
.climrow span{color:var(--scr-muted)}
.climrow b{font-weight:500;text-align:right}
.proto{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
@media (max-width:960px){.proto{grid-template-columns:1fr}}
.orbit{position:relative;aspect-ratio:1;max-width:500px;width:100%;margin:0 auto}
.orbit canvas{width:100%;height:100%;display:block}
.plist{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.plist div{padding:13px 14px 13px 0;border-bottom:1px solid var(--line);min-width:0}
.plist b{display:block;font:500 var(--s-md)/1.2 var(--display);margin-bottom:3px}
.plist span{font-size:var(--s-xs);color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:900px){.grid3{grid-template-columns:1fr}}
.ch{font-size:var(--s-lg);margin-bottom:8px}
.phones{display:grid;place-items:center;padding:12px 0}
.phone{width:min(290px,100%);background:linear-gradient(170deg,var(--scr-bg),var(--scr-bg-2));color:var(--scr-fg);border-radius:36px;padding:26px 18px 22px;border:6px solid #1B2D47;box-shadow:var(--shadow);display:grid;gap:10px}
.ph-top span{display:block;font:500 1.35rem/1.1 var(--display)}
.ph-top small{font:400 12px/1.4 var(--mono);color:var(--scr-muted)}
.ph-scenes{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.ph-scenes span{font:400 12px/1 var(--display);padding:7px 10px;border-radius:999px;border:1px solid var(--scr-line)}
.ph-scenes span.on{background:var(--scr-live);border-color:var(--scr-live);color:#04121F}
.ph-row{display:flex;justify-content:space-between;padding:11px 12px;border-radius:12px;background:var(--scr-card);font:400 13.5px/1 var(--display)}
.ph-row b{font:500 12.5px/1 var(--mono);color:var(--scr-live)}
.ph-alert{font:400 11.5px/1.4 var(--mono);color:var(--scr-warm);padding:10px 12px;border-radius:12px;border:1px solid rgba(255,194,122,.3)}

/* energy flow */
.flowwrap{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:14px;align-items:stretch}
@media (max-width:960px){.flowwrap{grid-template-columns:1fr}}
.flowcard{padding:12px;display:grid;place-items:center}
#flow{width:100%;height:auto;max-width:640px;display:block}
.fl-paths path{fill:none;stroke:var(--line-strong);stroke-width:2}
.fl-flow path{fill:none;stroke:var(--live);stroke-linecap:round;stroke-dasharray:2 14;stroke-width:4;opacity:0;transition:opacity .4s,stroke-width .4s}
.fl-flow path.warm{stroke:var(--warm)}
.fl-flow path.out{stroke:var(--alert)}
.fl-node circle{fill:var(--panel);stroke:var(--line-strong);stroke-width:1.5}
.fl-node.home circle{stroke:var(--live);stroke-width:2}
.fl-node use{stroke:var(--accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.fl-node text{font:500 13px var(--display);fill:var(--fg);text-anchor:middle;letter-spacing:.04em}
.fl-val{font:500 13px var(--mono);fill:var(--muted);text-anchor:middle}
.fl-val.strong{fill:var(--fg);font-size:14px}
.flowstats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.flowstats div{background:var(--bg-2);border-radius:12px;padding:12px}
.flowstats small{display:block;font:400 10.5px/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.flowstats b{font:500 1.5rem/1.2 var(--mono);font-variant-numeric:tabular-nums}
.flownote{margin-top:14px;font-size:var(--s-sm)}

/* calculator */
.energy{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:14px}
@media (max-width:960px){.energy{grid-template-columns:1fr}}
.result .big{font:300 clamp(2.4rem,5.4vw,3.6rem)/1 var(--display);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.result .big b{font-weight:700;color:var(--accent)}
.result .meta{font:400 var(--s-sm)/1.5 var(--mono);color:var(--muted);margin:8px 0 22px}
.bars{display:grid;gap:12px}
.bar{display:grid;grid-template-columns:minmax(0,140px) 1fr auto;gap:12px;align-items:center;font-size:var(--s-sm)}
.bar .track{height:10px;background:var(--bg-2);border-radius:6px;position:relative;overflow:hidden}
.bar .lo,.bar .hi{position:absolute;left:0;top:0;bottom:0;border-radius:6px;transition:width .5s cubic-bezier(.2,.8,.2,1)}
.bar .hi{background:var(--live-soft)}.bar .lo{background:var(--live)}
.bar output{font:400 12px/1 var(--mono);color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.bar.off{opacity:.35}
@media (max-width:420px){.bar{grid-template-columns:1fr auto}.bar .track{grid-column:1/-1;grid-row:2}}
.note{font-size:var(--s-xs);color:var(--muted);margin-top:18px;line-height:1.55;max-width:70ch}

/* packages */
.packs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:960px){.packs{grid-template-columns:1fr}}
.pack{border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:14px;background:var(--panel);min-width:0}
.pack.feature{border-color:var(--live);box-shadow:var(--shadow);position:relative}
.pk-tag{font:500 11px/1 var(--display);letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.pack h3{font-size:1.65rem;font-weight:300}
.pack .for{color:var(--muted);font-size:var(--s-sm)}
.pack ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:var(--s-sm)}
.pack li{display:grid;grid-template-columns:16px 1fr;gap:10px}
.pack li::before{content:"";width:7px;height:7px;margin-top:8px;border:1.5px solid var(--live);transform:rotate(45deg)}
.pack .pk-foot{margin-top:auto;font:400 12.5px/1.4 var(--mono);color:var(--accent);padding-top:14px;border-top:1px solid var(--line)}
.pack .btn{justify-content:center}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.cmp{width:100%;border-collapse:collapse;min-width:640px;font-size:var(--s-sm)}
.cmp th,.cmp td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp thead th{font:500 var(--s-sm)/1 var(--display);letter-spacing:.04em;padding-block:16px}
.cmp tbody th{font-weight:500}
.cmp td{color:var(--muted)}
.cmp .hl{background:var(--live-soft)}
.cmp .yes{color:var(--accent);font-weight:500}
.cmp .add{font:400 11.5px/1 var(--mono);padding:4px 8px;border-radius:999px;border:1px solid var(--line-strong);color:var(--muted)}
.cmp .no{color:var(--line-strong)}
.faq{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:40px}
@media (max-width:900px){.faq{grid-template-columns:1fr}}

/* contact */
.quote{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:14px;align-items:start}
@media (max-width:960px){.quote{grid-template-columns:1fr}}
.syschips{display:flex;flex-wrap:wrap;gap:6px}
.syschips input{position:absolute;opacity:0;pointer-events:none}
.syschips label{border:1px solid var(--line-strong);border-radius:999px;padding:8px 12px;font:400 var(--s-sm)/1 var(--display);cursor:pointer;color:var(--fg)}
.syschips input:checked+label{background:var(--live-soft);border-color:var(--live)}
.syschips input:focus-visible+label{outline:2px solid var(--live);outline-offset:2px}
.side{display:grid;gap:14px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 80px)}
@media (max-width:960px){.side{position:static}}
.brief h3{font-size:var(--s-lg);margin-bottom:14px}
.brief dl{display:grid;grid-template-columns:auto 1fr;gap:9px 16px;margin:0;font-size:var(--s-sm)}
.brief dt{color:var(--muted);font:400 12px/1.6 var(--mono)}
.brief dd{margin:0;min-width:0}
.brief .pk{font:500 var(--s-lg)/1.2 var(--display);color:var(--accent)}
.visit h3{font-size:var(--s-lg);margin-bottom:8px}
.visit p{color:var(--muted);font-size:var(--s-sm)}
.visit .addr{color:var(--fg);font-size:var(--s-md);margin:6px 0 12px}
.family{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media (max-width:900px){.family{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.family{grid-template-columns:1fr}}
.family div{padding:18px;border-radius:16px;border:1px solid var(--line);background:var(--panel)}
.family b{display:block;font:500 var(--s-md)/1.2 var(--display);margin-bottom:4px}
.family span{font-size:var(--s-sm);color:var(--muted)}
@media (max-width:620px){.tag small{display:none}.tag{font-size:11px;padding:4px 8px}}