/* LightSaver® — thelightsaver.com  ·  design system v1  ·  Simucare Ltd 2026 */
:root{
  --navy:#0B1F33; --ink:#0B1F33; --body:#2B3A4A; --slate:#5E6B78; --mute:#8791A0;
  --line:#DCE3EA; --line-soft:#EAF0F5; --paper:#F3F6F9; --mist:#EEF6FB; --white:#FFFFFF;
  --red:#E5322D; --red-soft:#FDECEB; --green:#19B36B; --green-soft:#E6F7EE; --cyan:#00AEEF; --blue:#0077B6;
  --font-head:Montserrat,"Helvetica Neue",Arial,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --radius:12px; --shadow:0 20px 50px -30px rgba(11,31,51,.45);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} *{animation:none!important;transition:none!important} }
body{margin:0;background:var(--white);color:var(--body);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(34px,5vw,56px);font-weight:700;line-height:1.05;letter-spacing:-.02em}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.15}
h3{font-size:19px;font-weight:600;line-height:1.3}
p{margin:0}
.container{max-width:1120px;margin:0 auto;padding-inline:24px}
.eyebrow{font-family:var(--font-head);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--red)}
.lede{font-size:clamp(18px,2vw,21px);color:var(--slate);line-height:1.5;max-width:60ch}
.sec{padding-block:88px}
.sec-tight{padding-block:56px}
.sec-head{display:grid;gap:14px;max-width:72ch;margin-bottom:40px}
.sec-head .lede{max-width:66ch}
.muted{color:var(--slate)}
.small{font-size:14px}
.tnum{font-variant-numeric:tabular-nums}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:600;font-size:15px;padding:14px 22px;border-radius:10px;border:2px solid var(--navy);background:var(--navy);color:#fff;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,color .15s;line-height:1}
.btn:hover{background:#12304D;border-color:#12304D;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--mist)}
.btn.light{background:#fff;border-color:#fff;color:var(--navy)}
.btn.light:hover{background:var(--mist);border-color:var(--mist)}
.btn.ghost.light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn.ghost.light:hover{background:rgba(255,255,255,.08)}
.btn svg{width:16px;height:16px}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line-soft)}
.nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{height:34px;width:auto}
.brand b{font-family:var(--font-head);font-weight:700;font-size:20px;letter-spacing:-.01em}
.brand b sup{font-size:10px;font-weight:600;margin-left:1px}
.brand small{display:block;font-family:var(--font-body);font-weight:400;font-size:11px;color:var(--mute);letter-spacing:.06em;text-transform:uppercase;margin-top:1px}
.navlinks{display:flex;align-items:center;gap:26px}
.navlinks a{font-family:var(--font-head);font-weight:500;font-size:14px;color:var(--body);text-decoration:none}
.navlinks a:hover{color:var(--ink)}
.navlinks a.btn{padding:11px 18px;font-size:14px;color:#fff}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;color:var(--ink)}
@media (max-width:900px){
  .navlinks{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:18px 24px 22px;flex-direction:column;align-items:flex-start;gap:16px}
  .navlinks.open{display:flex}
  .navtoggle{display:inline-flex}
}

/* Hero */
.hero{padding-block:64px 40px;background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFC 100%)}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero .copy{display:grid;gap:22px}
.hero .copy .lede{max-width:52ch}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero .proof{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--slate);padding-top:8px;border-top:1px solid var(--line-soft);margin-top:8px}
.hero .proof span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:8px;vertical-align:middle}
@media (max-width:900px){ .hero .container{grid-template-columns:1fr;gap:36px} .hero{padding-block:44px 28px} }

/* Demo toggle */
.demo{display:grid;gap:12px}
.demo .frame{position:relative;aspect-ratio:4/3;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#0B1F33}
.demo .frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .45s ease}
.demo .frame img.alert{opacity:0}
.demo .frame.is-alert img.alert{opacity:1}
.demo .frame .label{position:absolute;left:14px;top:12px;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:rgba(11,31,51,.62);padding:5px 9px;border-radius:6px;backdrop-filter:blur(4px)}
.seg{display:inline-flex;align-self:center;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:4px;gap:4px}
.seg button{font-family:var(--font-head);font-weight:600;font-size:14px;border:0;background:transparent;color:var(--slate);padding:10px 18px;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;gap:9px;transition:background .2s,color .2s}
.seg button i{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(25,179,107,.5);animation:breathe 2.4s ease-in-out infinite}
.seg button[data-state="alert"] i{background:var(--red);box-shadow:0 0 12px rgba(229,50,45,.9);animation:none}
.seg button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(11,31,51,.12)}
.seg button.active[data-state="alert"]{background:var(--red);color:#fff}
.seg button.active[data-state="alert"] i{background:#fff;box-shadow:0 0 10px rgba(255,255,255,.9)}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(25,179,107,.45)}50%{box-shadow:0 0 0 7px rgba(25,179,107,0)}}
.demo .cap{font-size:13px;color:var(--mute);text-align:center}

/* Status line */
.status{background:var(--paper);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.status .container{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;padding-block:12px;font-size:13.5px;color:var(--slate)}
.status b{font-weight:600;color:var(--ink)}

/* Backed by */
.backed{padding-block:36px}
.backed .container{display:flex;flex-wrap:wrap;align-items:center;gap:14px 34px}
.backed .lbl{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);font-family:var(--font-head);font-weight:600}
.backed span{font-family:var(--font-head);font-weight:600;font-size:14px;color:var(--slate)}

/* Cards */
.grid{display:grid;gap:18px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){ .grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .grid.c3,.grid.c2,.grid.c4{grid-template-columns:1fr} }
.card{background:var(--paper);border-radius:var(--radius);padding:26px 26px 28px;display:grid;gap:10px;align-content:start}
.card h3{font-size:18px}
.card p{font-size:15.5px;color:var(--body)}
.card .n{font-family:var(--font-head);font-weight:700;font-size:13px;color:var(--red);letter-spacing:.1em}
.card.white{background:#fff;border:1px solid var(--line)}
.pull{font-size:15px;color:var(--slate);border-left:3px solid var(--red);padding-left:14px;max-width:70ch;margin-top:26px}

/* Solution steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:800px){ .steps{grid-template-columns:1fr} }
.step{display:grid;gap:10px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step .k{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-family:var(--font-head);font-weight:700;font-size:15px}
.step p{font-size:15.5px}
.device{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;margin-top:44px;background:var(--navy);color:#fff;border-radius:18px;padding:40px;overflow:hidden}
.device img{border-radius:12px}
.device h3{color:#fff;font-size:22px}
.device p{color:rgba(255,255,255,.8);font-size:15.5px}
.device ul{margin:0;padding-left:18px;color:rgba(255,255,255,.85);font-size:15px;display:grid;gap:6px}
@media (max-width:800px){ .device{grid-template-columns:1fr;padding:26px} }

/* Fit */
.fit{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.fit ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.fit li{display:flex;gap:12px;align-items:flex-start;font-size:16px}
.fit li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--red);margin-top:9px}
.fitgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.fitgrid figure{margin:0;border-radius:10px;overflow:hidden;position:relative;aspect-ratio:3/2;background:var(--paper)}
.fitgrid img{width:100%;height:100%;object-fit:cover}
.fitgrid figcaption{position:absolute;left:0;right:0;bottom:0;padding:8px 10px;font-size:12px;color:#fff;background:linear-gradient(180deg,rgba(11,31,51,0),rgba(11,31,51,.75))}
@media (max-width:900px){ .fit{grid-template-columns:1fr} }

/* Roadmap */
.roadmap{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;margin-top:8px}
.roadmap::before{content:"";position:absolute;left:0;right:0;top:15px;height:2px;background:var(--line)}
.rm{position:relative;padding:36px 14px 0 0;display:grid;gap:6px;align-content:start}
.rm::before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--line)}
.rm.done::before{background:var(--green);border-color:var(--green)}
.rm.now::before{background:var(--red);border-color:var(--red);box-shadow:0 0 0 6px var(--red-soft)}
.rm .t{font-family:var(--font-head);font-weight:700;font-size:13px;color:var(--ink);letter-spacing:.04em}
.rm .m{font-size:12px;color:var(--mute);letter-spacing:.1em;text-transform:uppercase;font-family:var(--font-head);font-weight:600}
.rm.now .m{color:var(--red)}
.rm p{font-size:13.5px;color:var(--slate);line-height:1.45}
@media (max-width:900px){
  .roadmap{grid-template-columns:1fr;gap:0;padding-left:26px}
  .roadmap::before{left:6px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .rm{padding:0 0 26px 0}
  .rm::before{left:-26px;top:4px}
}
.proofs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px}
.proof-item{padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);display:grid;gap:6px}
.proof-item .lbl{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--red);font-family:var(--font-head);font-weight:600}
.proof-item b{font-family:var(--font-head);font-weight:600;color:var(--ink);font-size:16px}
.proof-item p{font-size:14px;color:var(--slate)}
@media (max-width:900px){ .proofs{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .proofs{grid-template-columns:1fr} }

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;position:relative;border-radius:12px;overflow:hidden;aspect-ratio:3/2;background:var(--paper)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.03)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;background:linear-gradient(180deg,rgba(11,31,51,0),rgba(11,31,51,.78));font-family:var(--font-head);font-weight:600;font-size:14px}
.gallery figcaption small{display:block;font-family:var(--font-body);font-weight:400;font-size:11.5px;opacity:.8;letter-spacing:.06em;text-transform:uppercase;margin-top:2px}
@media (max-width:900px){ .gallery{grid-template-columns:repeat(2,1fr)} }
@media (max-width:520px){ .gallery{grid-template-columns:1fr} }

/* Video */
.videowrap{position:relative;border-radius:18px;overflow:hidden;background:#000;box-shadow:var(--shadow);aspect-ratio:16/9}
.videowrap video{width:100%;height:100%;object-fit:cover}
.videowrap .play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(11,31,51,.25);border:0;cursor:pointer;color:#fff}
.videowrap .play span{display:inline-flex;align-items:center;gap:12px;background:rgba(11,31,51,.7);padding:14px 22px;border-radius:999px;font-family:var(--font-head);font-weight:600;font-size:15px;backdrop-filter:blur(6px)}
.videowrap .play svg{width:18px;height:18px}
.videowrap.playing .play{display:none}

/* Team */
.team{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.team>*{min-width:0}
.team img{border-radius:16px;box-shadow:var(--shadow)}
.team .bio{display:grid;gap:16px}
.team .bio p{font-size:16px}
.team .role{font-family:var(--font-head);font-weight:600;color:var(--slate);font-size:15px}
.partners{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 22px;margin-top:8px;padding-top:18px;border-top:1px solid var(--line)}
.partners div{font-size:14.5px;color:var(--body);display:flex;gap:10px}
.partners div::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-top:10px}
@media (max-width:900px){ .team{grid-template-columns:1fr} .team img{max-width:min(420px,100%)} }
@media (max-width:600px){ .partners{grid-template-columns:1fr} }

/* Investors */
.invest{background:var(--navy);color:#fff}
.invest .eyebrow{color:#FF7B77}
.invest h2,.invest h3{color:#fff}
.invest .lede{color:rgba(255,255,255,.78)}
.invest .container{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.miles{display:grid;gap:12px;margin-top:28px}
.mile{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:14px 0;border-top:1px solid rgba(255,255,255,.12)}
.mile b{font-family:var(--font-head);font-weight:700;color:#FF7B77;font-size:14px;letter-spacing:.06em}
.mile p{font-size:15px;color:rgba(255,255,255,.85)}
.invest .note{font-size:13.5px;color:rgba(255,255,255,.6);margin-top:20px;max-width:56ch}
.form{background:#fff;color:var(--body);border-radius:16px;padding:28px;display:grid;gap:14px;box-shadow:var(--shadow)}
.form h3{color:var(--ink);font-size:20px}
.form label{display:grid;gap:6px;font-size:13.5px;font-weight:500;color:var(--slate)}
.form input,.form textarea,.form select{font:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);width:100%}
.form textarea{min-height:90px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .fine{font-size:12.5px;color:var(--mute)}
.form .ok{display:none;background:var(--green-soft);color:#0F6B41;padding:12px 14px;border-radius:9px;font-size:14.5px}
.form.sent .ok{display:block}
.form.sent .fields{display:none}
.invest .alt{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
@media (max-width:900px){ .invest .container{grid-template-columns:1fr} .form .row{grid-template-columns:1fr} }

/* FAQ */
.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 20px;background:#fff}
.faq summary{cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:16px;color:var(--ink);padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:22px;color:var(--mute)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;font-size:15.5px;color:var(--body);max-width:70ch}

/* Footer */
footer{background:var(--paper);border-top:1px solid var(--line);padding-block:44px 34px;font-size:14px;color:var(--slate)}
footer .container{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:34px}
footer .brand b{font-size:18px}
footer h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:10px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{color:var(--body);text-decoration:none}
footer a:hover{color:var(--ink);text-decoration:underline}
footer .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;font-size:12.5px;color:var(--mute);display:grid;gap:6px}
footer .simucare{display:inline-flex;align-items:center;gap:8px;color:var(--body)}
footer .simucare i{width:8px;height:8px;border-radius:50%;background:var(--cyan)}
@media (max-width:800px){ footer .container{grid-template-columns:1fr} }

/* Utilities */
.vis-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.anchor{scroll-margin-top:90px}

/* ---------- v2 · public teaser + private investor area ---------- */
[hidden]{display:none!important}

/* Note on the public page that points to the private area */
.gate-note{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--slate);background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;max-width:66ch;margin-top:10px}
.gate-note .lockdot{flex:none;width:9px;height:9px;border-radius:50%;background:var(--red);margin-top:8px}

/* Passcode screen */
.gate{background:var(--navy);min-height:calc(100vh - 73px);min-height:calc(100dvh - 73px);display:grid;place-items:center;padding:48px 24px}
.gate-box{width:100%;max-width:440px;display:grid;gap:22px}
.gate-box .intro{display:grid;gap:10px;text-align:center}
.gate-box .intro .eyebrow{color:#FF7B77}
.gate-box .intro h1{color:#fff;font-size:clamp(30px,5vw,38px)}
.gate-box .intro p{color:rgba(255,255,255,.78);font-size:16px}
.gate .form>label{font-size:13.5px;font-weight:500;color:var(--slate);margin-bottom:-8px}
.gate .passrow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}
.gate .passrow input{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:16px;letter-spacing:.04em}
.gate .show{font-family:var(--font-head);font-weight:600;font-size:13px;color:var(--navy);background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:0 14px;cursor:pointer}
.gate .show:hover{background:var(--mist)}
.gate .form .btn{justify-content:center}
.gate .form .btn[disabled]{opacity:.7;cursor:progress;transform:none}
.gate .err{display:none;background:var(--red-soft);color:#A11C18;padding:12px 14px;border-radius:9px;font-size:14.5px}
.gate.bad .err{display:block}
.gate .foot{color:rgba(255,255,255,.6);font-size:13px;text-align:center}

/* Confidential strip at the top of the unlocked briefing */
.confidential{background:var(--navy);color:rgba(255,255,255,.82);font-size:13.5px}
.confidential .container{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;justify-content:space-between;padding-block:10px}
.confidential b{color:#fff;font-weight:600}
.confidential button{font-family:var(--font-head);font-weight:600;font-size:12.5px;color:#fff;background:transparent;border:1px solid rgba(255,255,255,.45);border-radius:8px;padding:7px 12px;cursor:pointer}
.confidential button:hover{background:rgba(255,255,255,.1)}

.device>div{display:grid;gap:12px}