/* Litehouse AI Technologies. Tokens follow the Litehouse DeepTech brand guidelines v1.0
   (DESIGN_SYSTEM.md). Do not use colours, fonts or sizes outside these tokens. */
:root{
  --ink:#223455; --paper:#FFFFFF; --sand:#F4F6F9; --sand-2:#E3E6EC;
  --blue:#007CAD; --blue-d:#005F86; --blue-wash:#F4F6F9; --gold:#E8B04A; --teal-l:#2FA3D1;
  --signal:#2E7D5B; --signal-w:#E3E6EC;
  --line:#E3E6EC; --line-2:#D3DAE6; --mut:#58627C;
  --dark:#0B1526; --dark-2:#223455; --dark-line:rgba(255,255,255,.12);
  --r-sm:10px; --r:14px; --r-lg:22px;
  --max:1180px; --gut:24px;
  --f:'Lexend',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --fx:'Lexend Exa','Lexend',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --sh:0 1px 2px rgba(11,21,38,.05),0 8px 24px -8px rgba(11,21,38,.12);
  --sh-lg:0 2px 6px rgba(11,21,38,.06),0 30px 60px -24px rgba(11,21,38,.24);
}
@media(max-width:600px){:root{--gut:16px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f);font-size:17px;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%;height:auto}
a{color:var(--blue-d);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
h1,h2,h3{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.1}
h1{font-weight:700;font-size:clamp(2.3rem,5.2vw,3.9rem);line-height:1.04}
h2{font-weight:600;font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-weight:600;font-size:1.22rem;line-height:1.3}
p{margin:0 0 1rem;max-width:64ch}
p:last-child{margin-bottom:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;
  border-radius:0 0 var(--r-sm) 0;z-index:200;font-size:14px;font-weight:600}
.skip:focus{left:0;text-decoration:none}
.kicker{font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-d);margin:0 0 14px}
.lede{font-size:clamp(1.06rem,1.8vw,1.28rem);line-height:1.55;color:var(--mut);max-width:58ch}

/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
.hdr .in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{width:auto;height:40px;flex:none}
.wm{display:flex;align-items:baseline;gap:.28em;line-height:1;font-weight:600;font-size:1.1rem;color:var(--ink);white-space:nowrap}
.wm small{font-size:1em;font-weight:600;color:var(--blue)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:var(--mut);font-size:15px;font-weight:500;padding:8px 12px;border-radius:var(--r-sm)}
.nav a:hover{color:var(--ink);background:var(--sand);text-decoration:none}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--r-sm);
  width:40px;height:38px;align-items:center;justify-content:center;cursor:pointer}
.menu-btn span{display:block;width:17px;height:1.6px;background:var(--ink);position:relative}
.menu-btn span::before,.menu-btn span::after{content:'';position:absolute;left:0;width:17px;height:1.6px;background:var(--ink)}
.menu-btn span::before{top:-5.5px}.menu-btn span::after{top:5.5px}
.menu-btn[aria-expanded=true] span{background:transparent}
.menu-btn[aria-expanded=true] span::before{top:0;transform:rotate(45deg)}
.menu-btn[aria-expanded=true] span::after{top:0;transform:rotate(-45deg)}
@media(max-width:820px){
  .menu-btn{display:flex}
  .nav{position:fixed;inset:68px 0 auto;flex-direction:column;align-items:stretch;gap:2px;background:#fff;
    border-bottom:1px solid var(--line);padding:14px var(--gut) 22px;box-shadow:var(--sh);display:none}
  .nav.open{display:flex}
  .nav a{padding:13px 4px;font-size:16.5px;border-radius:0;border-bottom:1px solid var(--line)}
  .nav a:hover{background:none}
  .nav .btn{margin-top:12px;border-bottom:none;justify-content:center}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;
  border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn:hover{text-decoration:none}
.btn-b,.nav a.btn-b{background:var(--blue);color:#fff}
.btn-b:hover,.nav a.btn-b:hover{background:var(--blue-d);color:#fff}
.btn-s{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-s:hover{background:var(--sand)}
.btn-sm{padding:8px 15px;font-size:14px}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* sections */
section{padding:clamp(60px,8vw,100px) 0}
section[id]{scroll-margin-top:84px}
.alt{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero{padding:clamp(56px,7vw,96px) 0 clamp(48px,6vw,80px);border-bottom:1px solid var(--line)}
.hero h1{max-width:15ch;margin-top:6px}
.hero .lede{margin-top:24px}
.hd{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:end}
.hd h2{max-width:17ch}
.hd .lede{margin:0}
@media(max-width:900px){.hd{grid-template-columns:1fr;align-items:start;gap:16px}}
.rule{width:44px;height:2px;background:var(--gold);margin:0 0 24px}

/* families: one row per family of products */
.fam{margin-top:48px}
.fam+.fam{margin-top:40px}
.fam-h{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:12px;border-bottom:1px solid var(--line-2);margin-bottom:18px}
.fam-h h3{font-size:1rem;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-d)}
.fam-h p{margin:0;font-size:15px;color:var(--mut)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.g3{grid-template-columns:1fr}}
@media(max-width:760px){.g2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 26px 24px;display:flex;flex-direction:column}
.card h3{font-size:1.4rem}
.card .one{font-weight:500;color:var(--ink);margin:10px 0 12px;font-size:16px;line-height:1.5}
.card p{font-size:15.5px;color:var(--mut);line-height:1.6}
.card .feat{margin:14px 0 0;padding:14px 16px;background:var(--sand);border-left:3px solid var(--gold);border-radius:var(--r-sm);font-size:15px;color:var(--ink)}
.card .feat b{font-weight:600}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
.facts li{font-size:13px;font-weight:500;color:var(--ink);background:var(--sand);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.st{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--mut);margin-top:auto;padding-top:20px}
.st i{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px var(--signal-w);flex:none}
.st.req i{background:var(--gold)}
.st a{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.note{margin-top:28px;font-size:13.5px;color:var(--mut)}

/* principles */
.pr{counter-reset:p;margin-top:44px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media(max-width:900px){.pr{grid-template-columns:1fr}}
.pr div{border-top:2px solid var(--ink);padding-top:18px}
.pr div::before{counter-increment:p;content:counter(p,decimal-leading-zero);display:block;font-size:12px;font-weight:600;color:var(--blue-d);margin-bottom:12px}
.pr h3{margin-bottom:8px}
.pr p{font-size:15.5px;color:var(--mut)}

/* contact */
.cta{background:var(--dark);color:#E3E6EC}
.cta h2{color:#fff;max-width:18ch}
.cta p{color:#C9D0DC}
.cta .kicker{color:var(--teal-l)}
.cta .in{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(28px,5vw,72px);align-items:end}
@media(max-width:900px){.cta .in{grid-template-columns:1fr;align-items:start;gap:26px}}
.mail{display:inline-block;font-size:clamp(1.3rem,2.8vw,1.9rem);font-weight:600;color:#fff;border-bottom:2px solid var(--teal-l);padding-bottom:2px;overflow-wrap:anywhere}
.mail:hover{text-decoration:none;color:var(--teal-l)}
.tels{margin-top:18px;display:flex;flex-direction:column;gap:4px}
.tels a{color:#fff}

/* footer */
footer{background:var(--dark);color:#AEB6C4;padding:56px 0 44px;font-size:14px;line-height:1.62;border-top:1px solid rgba(255,255,255,.10)}
footer a{color:#E3E6EC}
footer a:hover{color:var(--teal-l)}
footer .wm{color:#fff}
footer .wm small{color:var(--teal-l)}
.ftop{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.10)}
.tag{margin:14px 0 0;font-family:var(--fx);font-weight:300;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#E3E6EC}
.fgrid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);gap:28px;padding:30px 0;border-bottom:1px solid rgba(255,255,255,.10)}
@media(max-width:760px){.fgrid{grid-template-columns:1fr}}
.fgrid address{font-style:normal;color:#C9D0DC;line-height:1.7}
.fgrid address strong{color:#fff;font-weight:600}
.flbl{display:block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-l);margin-bottom:8px}
.fgrid nav,.ftop nav{display:flex;flex-direction:column;gap:6px}
.ftop nav{flex-direction:row;flex-wrap:wrap;gap:22px}
.legal{margin-top:28px;max-width:92ch;font-size:12.5px;line-height:1.72;color:#AEB6C4}
.copy{margin-top:18px;font-size:12.5px;color:#AEB6C4}

/* mobile sticky call to action (standard 4.2.2) */
.m-cta{display:none}
@media(max-width:820px){
  .m-cta{display:flex;position:fixed;left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:90;box-shadow:var(--sh-lg)}
  body.has-mcta{padding-bottom:76px}
}

/* prose pages */
.prose{max-width:74ch}
.prose h2{font-size:clamp(1.25rem,2.1vw,1.55rem);margin:40px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p{font-size:16px;line-height:1.68;color:var(--mut)}
.prose a{text-decoration:underline;text-underline-offset:3px}