/* Sentinel site - one theme (dark), one accent (steel cyan from Tez brand), one radius system (12px cards, pill buttons) */
@font-face{font-family:"Geist";font-weight:400;font-display:swap;src:url(../fonts/geist-400.woff2) format("woff2")}
@font-face{font-family:"Geist";font-weight:500;font-display:swap;src:url(../fonts/geist-500.woff2) format("woff2")}
@font-face{font-family:"Geist";font-weight:600;font-display:swap;src:url(../fonts/geist-600.woff2) format("woff2")}
@font-face{font-family:"Geist";font-weight:700;font-display:swap;src:url(../fonts/geist-700.woff2) format("woff2")}
@font-face{font-family:"Geist Mono";font-weight:400;font-display:swap;src:url(../fonts/geist-mono-400.woff2) format("woff2")}
@font-face{font-family:"Geist Mono";font-weight:500;font-display:swap;src:url(../fonts/geist-mono-500.woff2) format("woff2")}

:root{
  --bg:#0a0e13; --bg2:#0f151c; --bg3:#151d27;
  --ink:#e8eef4; --muted:#9aa8b6; --line:rgba(160,185,210,.14);
  --accent:#4cc3e0; --accent-ink:#06222b; --alert:#ff7a45;
  --r:12px; --pill:999px;
  --font:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,monospace;
  --z-nav:40; --z-grain:60;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{width:min(1240px,100% - 48px);margin-inline:auto}
body::after{content:"";position:fixed;inset:0;z-index:var(--z-grain);pointer-events:none;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.04) 1px,transparent 1.2px);background-size:4px 4px}

/* type */
h1,h2,h3{letter-spacing:-.03em;line-height:1.05;font-weight:600}
h1{font-size:clamp(2.4rem,5.2vw,4.4rem)}
h2{font-size:clamp(1.9rem,3.6vw,3rem);max-width:20ch}
h3{font-size:1.25rem;letter-spacing:-.02em;line-height:1.2}
p{color:var(--muted);max-width:62ch}
.lead{font-size:1.15rem}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
em{font-style:italic;color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.4rem;border-radius:var(--pill);font-weight:500;font-size:.95rem;white-space:nowrap;
  transition:transform .3s cubic-bezier(.16,1,.3,1),background-color .3s,border-color .3s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn:active{transform:translateY(1px) scale(.98)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#7ad5ea}
.btn-ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* nav */
.nav{position:sticky;top:0;z-index:var(--z-nav);background:rgba(10,14,19,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;border-radius:9px;background:#000;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.brand-mark img{width:28px;height:28px;object-fit:contain}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:.7rem;letter-spacing:.04em;line-height:1}
.links{display:flex;gap:6px;align-items:center}
.links a{padding:.45rem .85rem;border-radius:var(--pill);color:var(--muted);font-size:.92rem;transition:color .2s,background-color .2s;white-space:nowrap}
.links a:hover,.links a[aria-current=page]{color:var(--ink);background:rgba(255,255,255,.05)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:var(--pill);padding:.45rem .9rem;font:inherit;cursor:pointer}

/* hero */
.hero{min-height:calc(100dvh - 68px);display:grid;align-items:center;padding:56px 0 72px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:70vw;height:70vw;background:radial-gradient(closest-side,rgba(76,195,224,.12),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;position:relative}
.hero h1{margin:18px 0 22px}
.hero h1 em{color:var(--accent);font-style:italic;padding-bottom:.08em;display:inline-block}
.hero .cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}

/* camera feed with overlays */
.feed{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#000;aspect-ratio:16/9;isolation:isolate}
.feed>img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.05) brightness(.82)}
.feed::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,19,.0) 55%,rgba(10,14,19,.55));pointer-events:none}
.feed .scan{position:absolute;left:0;right:0;height:22%;top:-22%;background:linear-gradient(180deg,transparent,rgba(76,195,224,.10),transparent);animation:scan 6s linear infinite;pointer-events:none;z-index:1}
@keyframes scan{to{top:100%}}
.hud{position:absolute;left:12px;top:10px;z-index:3;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;color:#d6e6ef;display:flex;gap:10px;align-items:center;text-transform:uppercase}
.hud i{width:7px;height:7px;border-radius:50%;background:var(--alert);display:inline-block;animation:blink 1.6s steps(2) infinite}
@keyframes blink{50%{opacity:.2}}
.box{position:absolute;z-index:2;border:1.5px solid var(--accent);border-radius:4px;opacity:0;transform:scale(.94);animation:boxin 7s cubic-bezier(.16,1,.3,1) infinite;animation-delay:var(--d,0s)}
.box b{position:absolute;left:-1.5px;top:-22px;background:var(--accent);color:var(--accent-ink);font:500 .64rem/1 var(--mono);padding:4px 7px;border-radius:4px 4px 4px 0;white-space:nowrap}
.box.warn{border-color:var(--alert)}.box.warn b{background:var(--alert);color:#2a0e02}
@keyframes boxin{0%,6%{opacity:0;transform:scale(.94)}12%,70%{opacity:1;transform:scale(1)}80%,100%{opacity:0;transform:scale(1.02)}}
.toast{position:absolute;right:12px;bottom:12px;z-index:3;background:rgba(10,14,19,.86);border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:.78rem;max-width:230px;color:var(--ink);transform:translateY(14px);opacity:0;animation:toastin 7s cubic-bezier(.16,1,.3,1) infinite;animation-delay:var(--d,2s);backdrop-filter:blur(8px)}
.toast span{display:block;color:var(--muted);font-size:.7rem;margin-top:2px}
@keyframes toastin{0%,14%{opacity:0;transform:translateY(14px)}22%,66%{opacity:1;transform:none}76%,100%{opacity:0;transform:translateY(-6px)}}
.cap{margin-top:10px;font-size:.78rem;color:var(--muted);font-family:var(--mono)}

/* sections */
section{padding:112px 0}
.sec-head{margin-bottom:56px;display:grid;gap:16px}
.proof{padding:36px 0;border-block:1px solid var(--line);background:var(--bg2)}
.proof .wrap{display:flex;gap:40px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.proof p{max-width:none;font-size:.95rem}
.proof ul{display:flex;gap:28px;flex-wrap:wrap;list-style:none}
.proof li{color:var(--ink);font-size:.92rem;display:flex;gap:8px;align-items:center}
.ico{width:20px;height:20px;color:var(--accent);flex:none}

/* editions */
.editions{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.ed{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg2);display:flex;flex-direction:column}
.ed .feed{border:0;border-radius:0;aspect-ratio:16/8}
.ed-body{padding:28px;display:grid;gap:14px;align-content:start;flex:1}
.ed ul{list-style:none;display:grid;gap:8px;margin-top:6px}
.ed li{display:flex;gap:10px;color:var(--ink);font-size:.95rem}
.ed li svg{margin-top:3px}
.ed .btn{justify-self:start;margin-top:8px}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(220px,auto);gap:16px}
.cell{border:1px solid var(--line);border-radius:var(--r);padding:26px;background:var(--bg2);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;transition:border-color .3s,transform .4s cubic-bezier(.16,1,.3,1)}
.cell:hover{border-color:rgba(76,195,224,.5);transform:translateY(-3px)}
.cell p{font-size:.95rem}
.cell.img{padding:0;justify-content:flex-end}
.cell.img>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55) saturate(.8)}
.cell.img .in{position:relative;padding:26px;background:linear-gradient(0deg,rgba(10,14,19,.95),transparent);display:grid;gap:8px}
.cell.tint{background:linear-gradient(160deg,#10303a,#0f151c 70%)}
.c-a{grid-column:span 7;grid-row:span 2}.c-b{grid-column:span 5}.c-c{grid-column:span 5}
.c-d{grid-column:span 4}.c-e{grid-column:span 4}.c-f{grid-column:span 4}
.c-g{grid-column:span 12;min-height:200px}

/* use cases accordion */
.uc{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.uc-tabs{display:grid;gap:4px;position:sticky;top:96px}
.uc-tab{background:none;border:0;border-bottom:1px solid var(--line);color:var(--muted);text-align:left;padding:18px 4px;font:600 1.35rem/1.2 var(--font);letter-spacing:-.02em;cursor:pointer;display:flex;justify-content:space-between;transition:color .25s,padding-left .35s cubic-bezier(.16,1,.3,1)}
.uc-tab[aria-selected=true]{color:var(--ink);padding-left:14px}
.uc-tab[aria-selected=true]::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);align-self:center}
.uc-panel{display:none;gap:22px}
.uc-panel.on{display:grid;animation:fadeup .6s cubic-bezier(.16,1,.3,1)}
@keyframes fadeup{from{opacity:0;transform:translateY(16px)}}
.uc-panel ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.uc-panel li{border:1px solid var(--line);border-radius:var(--r);padding:16px;background:var(--bg2)}
.uc-panel li b{display:block;color:var(--ink);font-weight:600;margin-bottom:4px;font-size:.95rem}
.uc-panel li span{color:var(--muted);font-size:.88rem;line-height:1.5;display:block}
.note{font-size:.8rem;color:var(--muted);font-family:var(--mono)}

/* layers pinned */
.layers{position:relative}
.layer{position:sticky;top:96px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:24px;min-height:300px}
.layer:nth-child(2){background:var(--bg3);top:116px}.layer:nth-child(3){background:#12303a;top:136px}
.layer h3{font-size:1.9rem}
.layer ul{list-style:none;display:grid;gap:10px;align-content:center}
.layer li{display:flex;gap:10px;color:var(--ink)}

/* hardware strip */
.hw-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.hw{border:1px solid var(--line);border-radius:var(--r);padding:20px;background:var(--bg2);display:grid;gap:6px;align-content:start}
.hw b{font-size:1.2rem;letter-spacing:-.02em}.hw .mono{color:var(--accent);font-size:.85rem}
.hw span{color:var(--muted);font-size:.85rem}

/* faq */
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:600;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1;transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px}

/* contact */
.contact{background:var(--bg2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:56px}
form{display:grid;gap:18px}
.field{display:grid;gap:8px}
label{font-size:.88rem;color:var(--ink);font-weight:500}
input,select,textarea{background:#0d131a;border:1px solid rgba(160,185,210,.32);color:var(--ink);border-radius:10px;padding:.8rem 1rem;font:inherit;width:100%}
input::placeholder,textarea::placeholder{color:#7f8e9d}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(76,195,224,.2)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.err{color:#ffa07a;font-size:.82rem;min-height:1em}
.ok{display:none;border:1px solid var(--accent);border-radius:var(--r);padding:16px;color:var(--ink)}
.help{font-size:.82rem;color:var(--muted)}

footer{padding:56px 0 40px;border-top:1px solid var(--line)}
footer .wrap{display:grid;grid-template-columns:1fr auto;gap:32px}
footer p,footer a{font-size:.88rem}
footer nav{display:flex;gap:18px;flex-wrap:wrap}
footer a{color:var(--muted)}footer a:hover{color:var(--ink)}
.credits{grid-column:1/-1;font-size:.74rem;color:#7f8e9d;line-height:1.7;max-width:none}
.credits a{text-decoration:underline;color:#8fa0b0}

/* reveal */
.rv{opacity:0;transform:translateY(22px)}
.rv.in{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transition-delay:var(--dl,0s)}

/* page hero (inner pages) */
.phero{padding:96px 0 56px}.phero h1{margin:16px 0 20px;max-width:16ch}

/* tiers (hardware) */
.tiers{display:grid;gap:16px}
.tier{display:grid;grid-template-columns:240px 1fr 1fr;gap:28px;border:1px solid var(--line);border-radius:var(--r);padding:28px;background:var(--bg2);align-items:start;transition:border-color .3s}
.tier:hover{border-color:rgba(76,195,224,.45)}
.tier .cams{font-family:var(--mono);font-size:2.4rem;letter-spacing:-.04em;color:var(--accent);line-height:1}
.tier .cams small{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-top:8px}
.tier dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:.88rem}
.tier dt{color:var(--muted)}.tier dd{color:var(--ink)}
.selector{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.chip{border:1px solid var(--line);background:none;color:var(--muted);border-radius:var(--pill);padding:.5rem 1rem;font:500 .9rem var(--font);cursor:pointer;transition:all .25s}
.chip[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.calc{border:1px solid var(--line);border-radius:var(--r);padding:32px;background:var(--bg2);display:grid;grid-template-columns:1fr 1fr;gap:36px}
.calc .out{display:grid;gap:14px;align-content:center}
.big{font-family:var(--mono);font-size:2.6rem;letter-spacing:-.04em;color:var(--accent);line-height:1}
.vault{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vault .hw{padding:26px}

/* partners */
.models{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.model{border:1px solid var(--line);border-radius:var(--r);padding:34px;background:var(--bg2);display:grid;gap:16px;align-content:start}
.model.hl{background:linear-gradient(160deg,#10303a,var(--bg2) 70%);border-color:rgba(76,195,224,.4)}
.model dl{display:grid;grid-template-columns:130px 1fr;gap:12px 16px;font-size:.92rem;border-top:1px solid var(--line);padding-top:16px}
.model dt{color:var(--muted)}.model dd{color:var(--ink)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.col{border:1px solid var(--line);border-radius:var(--r);padding:30px;background:var(--bg2);display:grid;gap:12px;align-content:start}
.col ul{list-style:none;display:grid;gap:10px}.col li{display:flex;gap:10px;color:var(--ink);font-size:.95rem}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps>div{border-top:2px solid var(--accent);padding-top:16px;display:grid;gap:8px}
.steps b{font-size:1.1rem}

/* responsive */
@media (max-width:1024px){
  .links a{padding:.4rem .6rem;font-size:.86rem}
  .hw-strip{grid-template-columns:repeat(3,1fr)}
  .tier{grid-template-columns:180px 1fr}.tier dl:last-child{grid-column:2}
}
@media (max-width:860px){
  section{padding:80px 0}
  .menu-btn{display:block}
  .links{position:absolute;left:0;right:0;top:68px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 24px 20px;display:none}
  .links.open{display:flex}
  .hero-grid,.editions,.uc,.contact-grid,.calc,.models,.split,.layer{grid-template-columns:1fr}
  .hero{padding-top:32px}
  .uc-tabs{position:static}
  .bento{grid-template-columns:1fr}.bento>*{grid-column:auto!important;grid-row:auto!important}
  .layer{position:relative;top:0!important;min-height:0}
  .vault,.steps{grid-template-columns:1fr}
  .tier{grid-template-columns:1fr}.tier dl:last-child{grid-column:auto}
  .row2,.uc-panel ul{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
  .hw-strip{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .box,.toast{animation:none;opacity:1;transform:none}
  .feed .scan,.hud i{animation:none}
  .rv{opacity:1;transform:none}
  .layer{position:relative;top:0!important}
}

.ico{display:inline-block;width:20px;height:20px;flex:none;background:var(--accent);-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat;vertical-align:-4px}
.btn .ico{background:currentColor;width:18px;height:18px}
.feedwrap{margin:0}
.cell .ico{width:28px;height:28px}
.skip:focus{left:12px!important;top:12px;z-index:70;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:var(--pill)}
.layer ul .ico{margin-right:2px}
.links a.btn-primary,.links a.btn-primary:hover{color:var(--accent-ink);background:var(--accent)}
.links a.btn-primary:hover{background:#7ad5ea}
.faq summary,details summary{min-height:44px}
.menu-btn{min-height:44px;min-width:44px}
.credits a{padding:2px 0;display:inline-block}
footer nav a{padding:10px 4px;display:inline-block}

/* logo: colour mark, transparent */
.brand-mark{background:none!important;border:0!important;width:38px;height:38px;overflow:visible}
.brand-mark img{width:38px;height:38px;filter:drop-shadow(0 2px 8px rgba(76,195,224,.25))}

/* dashboards */
.dash-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.ticks{list-style:none;display:grid;gap:14px}.ticks li{display:flex;gap:12px;color:var(--muted);font-size:.97rem}.ticks li b{color:var(--ink);font-weight:600}.ticks .ico{margin-top:3px}
.dash{border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,var(--bg3),var(--bg2));padding:20px;box-shadow:0 30px 80px -30px rgba(0,0,0,.7)}
.dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.dash-top b{font-size:.95rem}.dash-top .mono{font-size:.7rem;color:var(--accent);border:1px solid var(--line);padding:3px 9px;border-radius:var(--pill)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.kpis div{border:1px solid var(--line);border-radius:10px;padding:12px;background:rgba(255,255,255,.02)}
.kpis span{display:block;font-size:.68rem;color:var(--muted);line-height:1.3}.kpis b{font:600 1.35rem var(--mono);letter-spacing:-.02em}
.dash-body{display:grid;grid-template-columns:1.25fr 1fr;gap:14px}
.dash h4{font-size:.72rem;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.occ,.log{border:1px solid var(--line);border-radius:10px;padding:14px;background:rgba(255,255,255,.02)}
.bars{display:flex;align-items:flex-end;gap:7px;height:140px}
.bar{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px}
.bar i{display:block;width:100%;height:0;background:linear-gradient(180deg,var(--accent),rgba(76,195,224,.25));border-radius:4px 4px 0 0;transition:height 1s cubic-bezier(.16,1,.3,1) var(--d)}
.dash.in .bar i{height:var(--h)}
.bar span{font:.62rem var(--mono);color:var(--muted)}
.log ul{list-style:none;display:grid;gap:8px}
.log li{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;font-size:.74rem;padding-left:10px;border-left:2px solid var(--line)}
.log li.warn{border-color:#e6b84c}.log li.crit{border-color:var(--alert)}
.log time{font:.68rem var(--mono);color:var(--muted)}.log b{font-weight:600}.log span{grid-column:2;color:var(--muted)}

/* integrations */
.int-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.int{border:1px solid var(--line);border-radius:var(--r);padding:26px;background:var(--bg);display:grid;gap:10px;align-content:start}
.int .ico{width:28px;height:28px}.int h3{font-size:1.1rem}.int p{font-size:.9rem}
.int-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.int-cols .col .ico{width:30px;height:30px}.int-cols .col ul{margin-top:6px}
.nr{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.flowviz{position:relative;height:280px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg) radial-gradient(circle,rgba(160,185,210,.1) 1px,transparent 1px) 0 0/18px 18px}
.flowviz svg{position:absolute;inset:0;width:100%;height:100%}
.flowviz path{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-dasharray:5 5;opacity:.7;animation:dash 1.4s linear infinite}
@keyframes dash{to{stroke-dashoffset:-20}}
.fn{position:absolute;padding:8px 12px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;background:var(--bg3);font:.72rem var(--mono);white-space:nowrap;z-index:1}
.fn.a{left:4%;top:12%}.fn.b{left:4%;top:42%}.fn.c{left:42%;top:36%}.fn.d{right:3%;top:10%}.fn.e{right:3%;top:68%}
@media(max-width:900px){.dash-grid,.nr{grid-template-columns:1fr;gap:32px}.int-grid{grid-template-columns:1fr 1fr}.int-cols{grid-template-columns:1fr}.dash-body{grid-template-columns:1fr}.kpis{grid-template-columns:repeat(2,1fr)}.fn{font-size:.64rem}}
@media(max-width:560px){.int-grid{grid-template-columns:1fr}.flowviz{height:300px}}
@media(prefers-reduced-motion:reduce){.flowviz path{animation:none}.bar i{height:var(--h);transition:none}}

/* home automation page */
.pains{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pains .col .ico{width:28px;height:28px}
.scns{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scn{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);padding:26px;display:grid;gap:10px;align-content:start}
.scn.big{grid-column:span 2;background:var(--bg3)}
.scn .ico{width:28px;height:28px}
.scn h3{font-size:1.15rem}
.scn p{font-size:.95rem}
.scn dl{display:grid;gap:6px;margin-top:6px;border-top:1px solid var(--line);padding-top:12px}
.scn dl div{display:grid;grid-template-columns:54px 1fr;gap:8px;font-size:.85rem}
.scn dt{font-family:var(--mono);color:var(--accent);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;padding-top:2px}
.scn dd{color:var(--ink)}
.split .col .ico{width:30px;height:30px}
.cmpwrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}
.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:.95rem}
.cmp th,.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp thead th{font-size:.82rem;color:var(--muted);font-weight:600;background:var(--bg2)}
.cmp tbody th{font-weight:600;color:var(--ink);width:22%}
.cmp td{color:var(--muted)}
.cmp .us{background:rgba(76,195,224,.07);color:var(--ink)}
.cmp thead .us{color:var(--accent)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.privacy{border:1px solid var(--line);border-radius:var(--r);background:#12303a;padding:32px;display:grid;gap:12px;align-content:center}
.privacy .ico{width:30px;height:30px}
.cares{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.care{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);padding:30px;display:grid;gap:14px;align-content:start}
.care.hl{border-color:var(--accent);background:var(--bg3)}
.care h3{font-size:1.5rem}
.care ul{list-style:none;display:grid;gap:10px}
.care li{display:flex;gap:10px;color:var(--ink);font-size:.95rem}
.care .btn{justify-self:start;margin-top:6px}
.faq{max-width:820px}
@media(max-width:1000px){.pains,.scns{grid-template-columns:repeat(2,1fr)}.cares{grid-template-columns:1fr}}
@media(max-width:640px){.pains,.scns{grid-template-columns:1fr}.scn.big{grid-column:auto}.care,.privacy{padding:24px}}
.raas{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.raasflow{display:grid;gap:0;border-left:2px solid var(--accent);padding-left:0}
.rf{padding:18px 0 18px 24px;position:relative;display:grid;gap:4px;border-bottom:1px solid var(--line)}
.rf:last-child{border-bottom:0}
.rf::before{content:"";position:absolute;left:-7px;top:26px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.rf b{font-size:1.1rem}
@media(max-width:900px){.raas{grid-template-columns:1fr;gap:32px}}

/* trust pages */
.tag{display:inline-block;font:600 .68rem/1 var(--mono);letter-spacing:.06em;padding:5px 10px;border-radius:var(--pill);white-space:nowrap;vertical-align:2px;margin-left:6px;border:1px solid var(--line);color:var(--ink)}
.tag.soon{border-style:dashed;border-color:#9aa6b0;color:var(--ink);background:transparent}
.tag.live{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.tag.roll{border-color:var(--accent);color:var(--accent)}
.tag.plan{border-color:var(--muted);color:var(--muted)}
.legend .tag{margin-left:0;margin-right:8px}
.ctls{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ctl{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);padding:26px;display:grid;gap:10px;align-content:start}
.ctl-top{display:flex;justify-content:space-between;align-items:center}
.ctl-top .ico{width:26px;height:26px}.ctl-top .tag{margin:0}
.ctl p{font-size:.95rem}
.tease{grid-template-columns:repeat(3,1fr)}
.doc{max-width:760px}
.docsec{padding:28px 0;border-bottom:1px solid var(--line)}
.docsec h2{font-size:1.5rem;margin-bottom:12px}
.docsec p,.docsec li{color:var(--muted);font-size:1rem;max-width:68ch}
.docsec ul{padding-left:20px;display:grid;gap:8px;margin:8px 0}
.docsec b{color:var(--ink);font-weight:600}
.docsec a,.doc .note a{color:var(--ink);text-decoration:underline}
.doc>.note{margin-top:28px}
@media(max-width:860px){.ctls,.tease{grid-template-columns:1fr}}
.ticks .tag,.steps .tag,.col .tag,.faq .tag{display:table;margin:8px 0 0}
.faq p .tag,.note .tag{display:inline-block;margin:0 0 0 2px}
.col li span{display:block}

/* logo splash: full-screen intro, shrinks into header (see site.js) */
html.logo-intro::before{content:"";position:fixed;inset:0;z-index:9998;background:#0a0e13;animation:splash-failsafe .4s ease 4s forwards}
@keyframes splash-failsafe{to{opacity:0;visibility:hidden}}
html.splash-on{overflow:hidden}
.splash{position:fixed;inset:0;z-index:9999;background:#0a0e13;display:grid;place-items:center;transition:background-color .7s ease .1s}
.splash.go{background-color:transparent}
.splash-logo{position:relative;width:112px;height:112px;transition:transform .8s cubic-bezier(.65,0,.25,1);will-change:transform}
.splash-logo img{position:relative;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 2px 14px rgba(76,195,224,.3));animation:shield-pulse 1.6s ease-in-out infinite}
.splash-logo i{position:absolute;inset:0;border-radius:50%;border:1.5px solid rgba(76,195,224,.4);opacity:0;animation:logo-wave 2.4s ease-out infinite}
.splash-logo i:nth-child(2){animation-delay:.8s}.splash-logo i:nth-child(3){animation-delay:1.6s}
.splash.go .splash-logo i{animation:none;opacity:0}
.splash.go .splash-logo img{animation:none}
@keyframes shield-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05);filter:drop-shadow(0 0 18px rgba(76,195,224,.5))}}
@keyframes logo-wave{0%{transform:scale(.7);opacity:.45}100%{transform:scale(3.2);opacity:0}}

/* core additions on top of the Sentinel base.css. Tokens: --bg --bg2 --bg3 --ink --muted --line --accent --accent-ink --alert --r(12px) --pill */
.brand small{letter-spacing:.02em}
.links a[href^="http"]{color:var(--ink)}
/* hero variants */
.hero.sub{min-height:0;padding:72px 0 56px}
.hero.sub .hero-grid{grid-template-columns:minmax(0,6fr) minmax(0,5fr)}
.feed.photo{background:#05080b}
.feed.photo>img{filter:saturate(.9) contrast(1.04) brightness(.92)}
/* bento spans (12-col) */
.s4{grid-column:span 4}.s5{grid-column:span 5}.s6{grid-column:span 6}.s7{grid-column:span 7}.s8{grid-column:span 8}.r2{grid-row:span 2}
/* contact */
.chans{display:grid;gap:0;border-top:1px solid var(--line)}
.chan{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);transition:padding-left .35s cubic-bezier(.16,1,.3,1),color .2s}
.chan:hover{padding-left:14px}.chan:hover .ico:last-child{transform:translate(2px,-2px)}
.chan .ico{width:24px;height:24px;transition:transform .3s}
.chan span{display:grid}.chan b{font-weight:600;font-size:1.02rem}.chan small{color:var(--muted);font-size:.9rem}
.chan .ico:last-child{background:var(--muted)}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}.facts b{display:block;margin-bottom:6px}.facts p{font-size:.92rem}
.mapbox{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--bg3)}
.mapbox iframe{width:100%;height:100%;border:0;filter:invert(.92) hue-rotate(185deg) saturate(.6) brightness(.9) contrast(.95)}
.addr{margin-top:20px;display:grid;gap:10px;justify-items:start}.addr p{font-size:.95rem}
/* closing band */
.band-sec{padding:0 0 112px}
.band{display:flex;justify-content:space-between;align-items:center;gap:32px;border:1px solid var(--line);border-radius:var(--r);padding:44px;background:linear-gradient(160deg,#10303a,var(--bg2) 70%)}
.band h2{max-width:22ch}
.steps.s3{grid-template-columns:repeat(3,1fr)}
@media (max-width:860px){
  .hero.sub .hero-grid{grid-template-columns:1fr}
  .band{flex-direction:column;align-items:flex-start;padding:30px}
  .band-sec{padding-bottom:80px}
  .steps.s3{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .s4,.s5,.s6,.s7,.s8{grid-column:auto}.r2{grid-row:auto}
}

.hero.sub .about-fig{justify-self:end;width:min(100%,380px)}
.about-portrait{aspect-ratio:1/1}
.about-portrait>img{filter:saturate(.9) contrast(1.03)}
.about-cap{margin-top:14px;display:grid;gap:12px}
.about-cap b{font-weight:600;color:var(--ink)}
.about-links{display:flex;gap:10px;flex-wrap:wrap}
.about-links .btn{padding:.55rem 1.1rem;font-size:.9rem}
.about-founder{padding-top:40px}
.about-col{max-width:760px;display:grid;gap:20px}
.about-role{color:var(--accent);font-family:var(--mono);font-size:.85rem;letter-spacing:.04em}
.about-role b{color:var(--ink);font-weight:500}
.about-col .lead{max-width:62ch}
@media(max-width:860px){.hero.sub .about-fig{justify-self:start}}

.avx-why{padding-top:40px}
.avx-why .steps b{font-size:1.2rem}
.hero.sub .feed.photo{max-height:420px}

/* clock: bare full-screen kiosk page */
html.logo-intro::before{display:none}
.clk{min-height:100dvh;display:grid;grid-template-rows:auto 1fr auto;justify-items:center;align-items:center;padding:28px 0 0;position:relative;overflow:hidden;background:radial-gradient(60vmax 40vmax at 50% 45%,rgba(76,195,224,.09),transparent 70%),var(--bg);cursor:default}
.clk.idle{cursor:none}
.clk-logo{width:44px;height:44px;object-fit:contain;filter:drop-shadow(0 2px 10px rgba(76,195,224,.3))}
.clk-face{padding-inline:16px;display:grid;gap:clamp(12px,3vh,28px);justify-items:center;text-align:center;max-width:100%}
.clk-time{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:500;color:var(--ink);letter-spacing:-.05em;line-height:1;font-size:clamp(3.4rem,min(21vw,36vh),17rem);display:flex;align-items:baseline;justify-content:center;gap:.08em;white-space:nowrap}
.clk-s{font-size:.3em;color:var(--accent);letter-spacing:-.02em;min-width:2ch;text-align:left}
.clk-ap{font-size:.17em;color:var(--muted);letter-spacing:.04em;font-weight:400;position:relative;top:-1.6em;margin-left:-.1em}
.clk-date{font-family:var(--mono);font-size:clamp(.78rem,1.9vw,1.4rem);letter-spacing:.24em;text-transform:uppercase;color:var(--muted);max-width:none}
.clk-track{width:100%;height:2px;background:var(--line);align-self:end;overflow:hidden}
.clk-track i{display:block;height:100%;background:var(--accent);transform-origin:left;transform:scaleX(0);transition:transform 1s linear;will-change:transform}
@media (max-width:860px){.clk-date{letter-spacing:.14em}.clk-ap{top:-1.2em}}
@media (prefers-reduced-motion:reduce){.clk-track i{transition:none}}

/* demo: live detection panel + dialog */
.demo-panel{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(160deg,#10303a,var(--bg2) 70%);padding:48px}
.demo-copy{display:grid;gap:20px;justify-items:start}
.demo-copy .btn{margin-top:6px}
.demo-dialog{background:var(--bg2);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:0;width:min(920px,100% - 32px);max-height:90vh;margin:auto;overflow:auto;box-shadow:0 30px 80px -20px rgba(0,0,0,.8)}
.demo-dialog::backdrop{background:rgba(4,7,10,.72);backdrop-filter:blur(3px)}
.demo-dialog[open]{animation:fadeup .4s cubic-bezier(.16,1,.3,1)}
.demo-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg2);z-index:2}
.demo-head h2{font-size:1.5rem;max-width:none;letter-spacing:-.02em}
.demo-x{min-width:44px;min-height:44px;display:grid;place-items:center;background:none;border:1px solid var(--line);border-radius:var(--pill);color:var(--ink);cursor:pointer;transition:border-color .25s}
.demo-x:hover{border-color:var(--accent)}
.demo-x .ico{background:currentColor}
.demo-body{padding:24px;display:grid;gap:18px}
.demo-ctl{display:flex;flex-wrap:wrap;gap:12px}
.demo-ctl .btn{min-height:44px}
.demo-ctl .btn:disabled{opacity:.45;cursor:not-allowed}
.demo-status{font-size:.92rem}
.demo-error{border:1px solid var(--alert);border-radius:var(--r);padding:12px 16px;color:#ffb394;font-size:.92rem;max-width:none}
.demo-stage{position:relative;background:#000;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;display:grid;place-items:center}
.demo-stage video{width:100%;height:100%;display:block;object-fit:contain}
.demo-stage video.mirror{transform:scaleX(-1)}
.demo-stage canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.demo-idle{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:16px;font-size:.95rem}
.demo-found{border:1px solid var(--line);border-radius:var(--r);padding:16px;background:rgba(76,195,224,.07);display:grid;gap:10px}
.demo-found p{max-width:none;color:var(--ink)}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px}
.demo-pills span{background:var(--accent);color:var(--accent-ink);border-radius:var(--pill);padding:4px 12px;font:500 .82rem var(--mono)}
.demo-notes{list-style:none;display:grid;gap:6px;color:var(--muted);font-size:.9rem}
.demo-notes li{padding-left:18px;position:relative}
.demo-notes li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
body:has(dialog[open]){overflow:hidden}
@media(max-width:860px){.demo-panel{grid-template-columns:1fr;padding:28px 22px;gap:28px}.demo-body{padding:18px}.demo-head{padding:14px 18px}.demo-ctl .btn{flex:1 1 100%;justify-content:center}}
@media(prefers-reduced-motion:reduce){.demo-dialog[open]{animation:none}}
.demo-dialog [hidden]{display:none!important}

/* devices page */
#solutions .bento{grid-auto-rows:minmax(240px,auto)}
#solutions .cell.tint{justify-content:flex-end}
#solutions .cell.tint .ico{width:34px;height:34px}
@media(max-width:860px){#solutions .bento{grid-auto-rows:auto}#solutions .cell.img{min-height:240px}}
.hm-board .feed.photo>img{filter:none;object-fit:cover}

/* home page */
.hm-tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.hm-tags li{border:1px solid var(--line);border-radius:var(--pill);padding:4px 12px;font-size:.8rem;color:var(--ink);background:rgba(10,14,19,.55)}
.hm-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:500;margin-top:6px;justify-self:start}
.hm-link .ico{transition:transform .3s}.hm-link:hover .ico{transform:translateX(4px)}
.c-a h3{font-size:2rem}
.c-a .in p{max-width:52ch}
.uc:has(.hm-panels){align-items:stretch}
.hm-panels{display:grid}
.hm-panels .uc-panel{border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);padding:32px;align-content:start;min-height:380px}
.hm-tech{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.hm-tech li{border:1px solid var(--line);border-radius:var(--pill);padding:8px 16px;font-size:.92rem;color:var(--ink);background:var(--bg3)}
.hm-logos{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.hm-logo{flex:0 0 calc((100% - 5*12px)/6);width:calc((100% - 5*12px)/6);height:96px;background:#e9eef3;border-radius:var(--r);overflow:hidden;padding:18px 22px;position:relative}
.hm-logo img{display:block;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply;filter:grayscale(1);opacity:.8;transition:filter .3s,opacity .3s}
.hm-logo:hover img{filter:none;opacity:1}
@media (max-width:860px){
  .hm-logo{flex-basis:calc((100% - 2*12px)/3);width:calc((100% - 2*12px)/3);height:84px}
  .hm-panels .uc-panel{min-height:0;padding:24px}
}
@media (max-width:520px){
  .hm-logo{flex-basis:calc((100% - 12px)/2);width:calc((100% - 12px)/2)}
}
.uc-panel .hm-tech>li:last-child:nth-child(odd){grid-column:1/-1}
#solutions .cell.img p{color:#d5dde5}

.hm-media{display:flex;flex-direction:column;justify-content:flex-start;gap:20px;padding:20px 20px 28px}
.hm-media .feedwrap{margin:0}
.hm-media .in{position:static;padding:0 8px}
.hm-board .feed.photo>img{filter:none}
.hm-media.c-a .feedwrap{flex:1 1 auto;display:flex;flex-direction:column}
.hm-media.c-a .feed{flex:1 1 auto;aspect-ratio:auto;min-height:260px}
@media (max-width:860px){.hm-media.c-a .feed{flex:none;aspect-ratio:16/9;min-height:0}}