:root{--sentinel-navy: #071a2f;--sentinel-deep-navy: #0b223d;--sentinel-blue: #1f7ae0;--sentinel-electric-blue: #4da3ff;--sentinel-light-blue: #4da3ff;--sentinel-white: #ffffff;--sentinel-slate: #cbd5e1;--sentinel-light: #f5f8fc;--sentinel-border: #dce5ef;--sentinel-secondary-text: #475569;--sentinel-charcoal: #1f2937;--sentinel-success: #16a34a;--sentinel-warning: #f59e0b;--sentinel-danger: #dc2626;--sentinel-le: #2563eb;--sentinel-fire: #dc2626;--sentinel-ems: #0ea5e9;--sentinel-font-headline: "Space Grotesk", "Segoe UI", system-ui, sans-serif;--sentinel-font-body: "Inter", "Segoe UI", system-ui, sans-serif;--sentinel-tracking-wordmark: .08em;--sentinel-tracking-tagline: .18em;--sentinel-tracking-eyebrow: .12em;--sentinel-tracking-mission: .12em;--sentinel-radius-sm: 6px;--sentinel-radius-md: 10px;--sentinel-radius-lg: 14px;--sentinel-radius-xl: 20px;--sentinel-shadow-card: 0 10px 30px rgba(7, 26, 47, .08);--sentinel-shadow-product: 0 25px 70px rgba(0, 0, 0, .25);--sentinel-ease: ease-out;--sentinel-dur-fast: .15s;--sentinel-dur-normal: .2s;--sentinel-dur-slow: .4s;color-scheme:dark light}.sentinel-eyebrow{font-family:var(--sentinel-font-body);font-size:clamp(.7rem,1.1vw,.8125rem);font-weight:500;letter-spacing:var(--sentinel-tracking-eyebrow);text-transform:uppercase;color:var(--sentinel-blue)}.sentinel-wordmark{font-family:var(--sentinel-font-headline);font-weight:700;letter-spacing:var(--sentinel-tracking-wordmark);text-transform:uppercase}.sentinel-tagline{font-family:var(--sentinel-font-body);font-weight:500;letter-spacing:var(--sentinel-tracking-tagline);text-transform:uppercase;color:var(--sentinel-electric-blue)}.sentinel-mission{font-family:var(--sentinel-font-body);font-weight:600;letter-spacing:var(--sentinel-tracking-mission);text-transform:uppercase;color:var(--sentinel-slate)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--sentinel-font-body);color:var(--sentinel-white);background:var(--sentinel-navy);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.site{min-height:100vh}.env-dark{color:var(--sentinel-white);background:var(--sentinel-navy)}.env-light{color:var(--sentinel-navy);background:var(--sentinel-light)}.e-bars{display:inline-flex;flex-direction:column;justify-content:center;gap:.28em;width:.52em;margin-inline:.04em .02em;vertical-align:-.05em}.e-bars span{display:block;height:.14em;border-radius:1px;background:var(--sentinel-electric-blue)}.nav-wordmark{font-family:var(--sentinel-font-headline);font-weight:700;letter-spacing:var(--sentinel-tracking-wordmark);text-transform:uppercase;font-size:1.05rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:50px;padding:0 22px;border-radius:var(--sentinel-radius-sm);font-family:var(--sentinel-font-body);font-size:.95rem;font-weight:600;border:1px solid transparent;transition:background var(--sentinel-dur-fast) var(--sentinel-ease),border-color var(--sentinel-dur-fast) var(--sentinel-ease),color var(--sentinel-dur-fast) var(--sentinel-ease)}.btn--sm{min-height:40px;padding:0 16px;font-size:.85rem}.btn--primary{background:var(--sentinel-blue);color:var(--sentinel-white)}.btn--primary:hover,.btn--primary:focus-visible{background:var(--sentinel-electric-blue);outline:none}.btn--secondary{background:transparent;border-color:#ffffff8c;color:var(--sentinel-white)}.btn--secondary:hover,.btn--secondary:focus-visible{background:#1f7ae029;border-color:var(--sentinel-electric-blue);outline:none}.btn--ghost{background:transparent;color:var(--sentinel-slate);border-color:transparent}.btn--ghost:hover,.btn--ghost:focus-visible{color:var(--sentinel-white);outline:none}.nav{position:fixed;inset:0 0 auto;z-index:40;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.5rem;padding:1rem clamp(1.25rem,4vw,3rem);transition:background var(--sentinel-dur-normal) var(--sentinel-ease),backdrop-filter var(--sentinel-dur-normal) var(--sentinel-ease)}.nav--solid{background:#071a2fe0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06)}.nav-brand{display:inline-flex;align-items:center;gap:.65rem}.nav-links{display:none;justify-content:center;gap:1.75rem;font-size:.9rem;font-weight:500;color:var(--sentinel-slate)}.nav-links a:hover,.nav-links a:focus-visible{color:var(--sentinel-white);outline:none}.nav-actions{display:flex;align-items:center;gap:.5rem}@media (min-width: 900px){.nav-links{display:flex}}.section{padding:clamp(4rem,10vw,8.5rem) clamp(1.25rem,5vw,4rem)}.section__inner{max-width:1120px;margin:0 auto}.section__title{margin:.65rem 0 1rem;font-family:var(--sentinel-font-headline);font-size:clamp(2rem,4.5vw,3.35rem);font-weight:600;line-height:1.05;letter-spacing:-.02em}.section__title--dark{color:var(--sentinel-navy)}.section__lead{margin:0 0 2.5rem;max-width:40rem;font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.55;color:var(--sentinel-slate)}.section__lead--narrow{max-width:34rem}.section__lead--dark{color:var(--sentinel-secondary-text)}.hero{position:relative;min-height:100svh;display:grid;align-items:center;gap:2.5rem;padding:calc(5.5rem + env(safe-area-inset-top)) clamp(1.25rem,5vw,4rem) clamp(3rem,8vw,5rem);background:radial-gradient(circle at 70% 35%,rgba(31,122,224,.18),transparent 35%),var(--sentinel-navy);overflow:hidden}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(203,213,225,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(203,213,225,.035) 1px,transparent 1px);background-size:72px 72px;-webkit-mask-image:linear-gradient(to bottom,black,transparent 85%);mask-image:linear-gradient(to bottom,black,transparent 85%);pointer-events:none}@media (min-width: 980px){.hero{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:3rem}}.hero__copy{position:relative;z-index:1;max-width:38rem;animation:rise-in .85s var(--sentinel-ease) both}.hero__headline{margin:.85rem 0 1.25rem;display:flex;flex-direction:column;font-family:var(--sentinel-font-headline);font-size:clamp(2.5rem,7vw,5rem);font-weight:700;line-height:.98;letter-spacing:-.03em}.hero__support{margin:0 0 2rem;max-width:32rem;font-size:clamp(1.05rem,1.7vw,1.25rem);line-height:1.55;color:var(--sentinel-slate)}.hero__ctas{display:flex;flex-wrap:wrap;gap:.75rem}.ops-canvas{position:relative;z-index:1;width:min(100%,480px);justify-self:center;aspect-ratio:1.05;animation:rise-in 1s var(--sentinel-ease) .1s both}.ops-canvas__glow{position:absolute;top:10%;right:5%;bottom:10%;left:5%;background:radial-gradient(circle,rgba(77,163,255,.16),transparent 65%)}.ops-canvas__grid{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:var(--sentinel-radius-xl);border:1px solid rgba(255,255,255,.06);background:linear-gradient(rgba(203,213,225,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(203,213,225,.04) 1px,transparent 1px);background-size:28px 28px;background-color:var(--sentinel-deep-navy);box-shadow:var(--sentinel-shadow-product)}.ops-ring{position:absolute;left:50%;top:42%;border:1px solid rgba(77,163,255,.22);border-radius:50%;transform:translate(-50%,-50%);animation:ring-pulse 6s var(--sentinel-ease) infinite}.ops-ring--1{width:38%;aspect-ratio:1}.ops-ring--2{width:56%;aspect-ratio:1;animation-delay:.6s}.ops-ring--3{width:74%;aspect-ratio:1;animation-delay:1.2s}.ops-panel{position:absolute;top:12%;right:8%;bottom:10%;left:8%;display:flex;flex-direction:column;border-radius:var(--sentinel-radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.1);background:#071a2f8c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.ops-panel__chrome{display:flex;align-items:center;gap:.5rem;padding:.65rem .85rem;border-bottom:1px solid rgba(255,255,255,.08);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sentinel-slate)}.ops-dot{width:7px;height:7px;border-radius:50%;background:var(--sentinel-electric-blue);box-shadow:0 0 10px #4da3ffcc}.ops-label{flex:1}.ops-live{color:#86efac;font-weight:600}.ops-map{flex:1;min-height:0}.ops-map__svg{width:100%;height:100%}.ops-telemetry{display:flex;justify-content:space-between;gap:.5rem;padding:.65rem .85rem;border-top:1px solid rgba(255,255,255,.08);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sentinel-slate)}.trust{padding-block:clamp(2.5rem,5vw,4rem);border-block:1px solid var(--sentinel-border)}.trust__note{margin:0;max-width:44rem;font-size:.95rem;line-height:1.6;color:var(--sentinel-secondary-text)}.timeline{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid rgba(255,255,255,.1)}.timeline li{display:grid;grid-template-columns:3.5rem 1fr;gap:1rem;padding:1.35rem 0;border-bottom:1px solid rgba(255,255,255,.1)}.timeline__index{font-family:var(--sentinel-font-headline);font-size:.85rem;font-weight:600;color:var(--sentinel-electric-blue);letter-spacing:.08em}.timeline h3{margin:0 0 .25rem;font-family:var(--sentinel-font-headline);font-size:1.25rem;font-weight:600}.timeline p{margin:0;color:var(--sentinel-slate);line-height:1.5}.platform-diagram{display:grid;gap:1rem;margin-bottom:2.5rem;text-align:center}.platform-diagram__hub{justify-self:center;padding:.85rem 1.5rem;border-radius:var(--sentinel-radius-lg);background:var(--sentinel-navy);color:var(--sentinel-white);font-family:var(--sentinel-font-headline);font-weight:600;letter-spacing:.06em;text-transform:uppercase}.platform-diagram__nodes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.platform-diagram__node,.platform-diagram__out{padding:1rem;border-radius:var(--sentinel-radius-lg);border:1px solid var(--sentinel-border);background:var(--sentinel-white);font-weight:600;font-size:.95rem}.platform-diagram__out{justify-self:center;min-width:min(100%,16rem);border-color:#1f7ae059;color:var(--sentinel-blue)}.feature-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:.65rem}.feature-grid li{padding:.85rem 1rem;border-radius:var(--sentinel-radius-md);border:1px solid var(--sentinel-border);background:var(--sentinel-white);font-size:.92rem;font-weight:500}.solution-grid{display:grid;gap:1rem}@media (min-width: 800px){.solution-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.solution-card{padding:1.75rem 1.5rem;border-radius:var(--sentinel-radius-lg);border:1px solid var(--sentinel-border);background:var(--sentinel-white);box-shadow:var(--sentinel-shadow-card);border-top:3px solid var(--sentinel-blue);min-height:12rem}.solution-card--le{border-top-color:var(--sentinel-le)}.solution-card--fire{border-top-color:var(--sentinel-fire)}.solution-card--ems{border-top-color:var(--sentinel-ems)}.solution-card__label{margin:0 0 .85rem;font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--sentinel-secondary-text)}.solution-card h3{margin:0;font-family:var(--sentinel-font-headline);font-size:1.35rem;font-weight:600;line-height:1.25}.product-frame{border-radius:var(--sentinel-radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.08);background:var(--sentinel-deep-navy);box-shadow:var(--sentinel-shadow-product)}.product-frame__bar{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1rem;border-bottom:1px solid rgba(255,255,255,.08);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sentinel-slate)}.product-frame__body{display:grid;min-height:320px}@media (min-width: 800px){.product-frame__body{grid-template-columns:11rem 1fr}}.product-side{display:none;flex-direction:column;gap:.25rem;padding:1rem;border-right:1px solid rgba(255,255,255,.08);background:#071a2f73}@media (min-width: 800px){.product-side{display:flex}}.product-side__item{padding:.65rem .75rem;border-radius:var(--sentinel-radius-sm);font-size:.88rem;color:var(--sentinel-slate)}.product-side__item.is-active{background:#1f7ae02e;color:var(--sentinel-white)}.product-main{display:flex;flex-direction:column;min-height:280px}.product-map{position:relative;flex:1;background:radial-gradient(circle at 55% 45%,rgba(31,122,224,.2),transparent 40%),linear-gradient(180deg,#0a2745,#071a2f)}.product-map__ring{position:absolute;left:52%;top:46%;width:9rem;aspect-ratio:1;border:1px solid rgba(77,163,255,.35);border-radius:50%;transform:translate(-50%,-50%)}.product-map__pin{position:absolute;left:52%;top:46%;width:12px;height:12px;border-radius:50%;background:var(--sentinel-blue);transform:translate(-50%,-50%);box-shadow:0 0 0 6px #1f7ae040}.product-video{position:absolute;right:1rem;top:1rem;width:min(42%,11rem);aspect-ratio:16 / 10;border-radius:var(--sentinel-radius-md);border:1px solid rgba(255,255,255,.14);background:#071a2fbf;display:grid;place-items:center;font-size:.7rem;letter-spacing:.12em;color:var(--sentinel-electric-blue)}.product-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;padding:1rem;border-top:1px solid rgba(255,255,255,.08)}.product-meta small{display:block;margin-bottom:.2rem;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sentinel-slate)}.product-meta strong{font-size:.9rem;font-weight:600}.how-grid{display:grid;gap:1rem}@media (min-width: 800px){.how-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.how-card{padding:1.5rem;border-radius:var(--sentinel-radius-lg);border:1px solid var(--sentinel-border);background:var(--sentinel-white);box-shadow:var(--sentinel-shadow-card)}.how-card__step{display:block;margin-bottom:.75rem;font-family:var(--sentinel-font-headline);font-size:.85rem;font-weight:600;color:var(--sentinel-blue);letter-spacing:.08em}.how-card h3{margin:0 0 .5rem;font-family:var(--sentinel-font-headline);font-size:1.4rem}.how-card p{margin:0;color:var(--sentinel-secondary-text);line-height:1.55}.apps-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--sentinel-border)}.apps-list li{border-bottom:1px solid var(--sentinel-border)}.apps-list a{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 0;transition:padding-left var(--sentinel-dur-normal) var(--sentinel-ease)}.apps-list a:hover,.apps-list a:focus-visible{padding-left:.35rem;outline:none}.apps-list strong{display:block;font-family:var(--sentinel-font-headline);font-size:1.15rem;font-weight:600}.apps-list em{display:block;margin-top:.2rem;font-style:normal;color:var(--sentinel-secondary-text);font-size:.95rem}.apps-list__go{color:var(--sentinel-blue);font-weight:600;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.demo__inner{max-width:40rem}.site-footer{padding:4rem clamp(1.25rem,5vw,4rem) 2rem;border-top:1px solid rgba(255,255,255,.06)}.site-footer__inner{max-width:1120px;margin:0 auto 2.5rem;display:grid;gap:2.5rem}@media (min-width: 860px){.site-footer__inner{grid-template-columns:1.2fr 1fr}}.site-footer__brand{display:flex;gap:1rem;align-items:flex-start}.site-footer__tag,.site-footer__msg{margin:.35rem 0 0;color:var(--sentinel-slate);font-size:.9rem;line-height:1.45}.site-footer__msg{font-weight:500;color:var(--sentinel-electric-blue)}.site-footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.site-footer__cols h3{margin:0 0 .75rem;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sentinel-slate)}.site-footer__cols a{display:block;margin-bottom:.45rem;font-size:.92rem;color:var(--sentinel-white)}.site-footer__cols a:hover{color:var(--sentinel-electric-blue)}.site-footer__legal{max-width:1120px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.06);font-size:.8rem;color:var(--sentinel-slate)}@keyframes rise-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes ring-pulse{0%,to{opacity:.35}50%{opacity:.85}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}