/* Shared base for sanaurlabs.com and fuelmetric.sanaurlabs.com (v2).
   Copied into each site's assets/site.css by site/build.py with that site's accent. */

@font-face{font-family:"Plex";src:url("fonts/IBMPlexSans-Regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/IBMPlexSans-SemiBold.woff") format("woff");font-weight:600;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/IBMPlexSans-Bold.woff") format("woff");font-weight:700;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/IBMPlexMono-Medium.woff") format("woff");font-weight:500;font-display:swap}

:root{
  --navy:#15233B; --navy-2:#1C2E4C; --navy-line:#2E4166;
  --ink:#15233B; --ink-soft:#4A5770; --ink-faint:#7D889B;
  --line:#DDE3EA; --tint:#F3F5F8; --white:#FFFFFF;
  --on-navy:#C6CFDD;
  --focus:#1F6FD1;
  --sans:"Plex",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --accent:#2EC4B6; --on-accent:#08302C; --accent-ink:#0B7A70; --accent-soft:#E2F6F3; --brass:#E0B04A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--white);color:var(--ink);font:400 17px/1.65 var(--sans)}
img,svg{display:block;max-width:100%}
a{color:inherit}
p{margin:0}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.015em;line-height:1.15}
h1{font-size:clamp(32px,3.6vw,46px)}
h2{font-size:clamp(26px,2.6vw,34px)}
h3{font-size:19px;line-height:1.35;letter-spacing:-.005em;font-weight:600}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--navy);color:#fff;padding:10px 14px;border-radius:6px;z-index:50}
.skip:focus{left:12px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-weight:500;font-variant-numeric:tabular-nums}
.muted{color:var(--ink-soft)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;
  font:600 16px/1 var(--sans);text-decoration:none;border:1.5px solid transparent;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:#0B1528}
.btn-ghost{border-color:#B9C3D1;color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--navy)}
.btn-accent{background:var(--accent);color:var(--on-accent)}
.btn-accent:hover{filter:brightness(1.06)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:#EEF2F7}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo img,.logo svg{width:34px;height:34px;border-radius:8px}
.logo .lt{font-weight:400;color:var(--accent-ink)}
.mainnav{display:flex;gap:28px;font-size:15.5px;font-weight:600;margin-left:8px}
.mainnav a{text-decoration:none;color:var(--ink-soft)}
.mainnav a:hover{color:var(--ink)}
.site-head .btn{margin-left:auto;min-height:40px;padding:0 16px;font-size:15px}
.menu{display:none;margin-left:auto;position:relative}
.menu summary{list-style:none;cursor:pointer;font-weight:600;font-size:15px;padding:8px 12px;border:1.5px solid #B9C3D1;border-radius:8px}
.menu summary::-webkit-details-marker{display:none}
.menu nav{position:absolute;right:0;top:46px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 28px rgba(21,35,59,.14);padding:8px;display:flex;flex-direction:column;min-width:200px}
.menu nav a{padding:10px 12px;text-decoration:none;border-radius:6px;font-weight:600}
.menu nav a:hover{background:var(--tint)}

/* sections */
.band{padding:88px 0}
.band.tint{background:var(--tint)}
.band.navy{background:var(--navy);color:#fff}
.band.navy .muted,.band.navy .lead{color:var(--on-navy)}
.head{max-width:640px;margin-bottom:44px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{font-weight:600;font-size:15px;color:var(--accent-ink);margin-bottom:10px}
.band.navy .kicker{color:var(--accent)}
.head p{margin-top:14px;font-size:18px;color:var(--ink-soft)}
.band.navy .head p{color:var(--on-navy)}
.lead{font-size:19px;line-height:1.6;color:var(--ink-soft)}

/* hero */
.hero{padding:72px 0 80px;background:linear-gradient(180deg,#F6F8FB 0%,#FFFFFF 100%);border-bottom:1px solid var(--line);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.hero h1{max-width:15em}
.hero .lead{margin-top:20px;max-width:32em}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.note{margin-top:18px;font-size:14.5px;color:var(--ink-faint);max-width:34em}
.facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding:0;list-style:none;font-size:15px;color:var(--ink-soft)}
.facts li{display:flex;align-items:center;gap:8px}
.facts svg{flex:none}

/* phone frame */
.phone{border:8px solid var(--navy);border-radius:28px;overflow:hidden;background:var(--navy);aspect-ratio:390/760;box-shadow:0 24px 50px rgba(21,35,59,.18)}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top}

/* feature grid */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.band.tint .card{border-color:#E1E6ED}
.card .ico{width:44px;height:44px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card p{margin-top:8px;color:var(--ink-soft);font-size:16px}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;counter-reset:s}
.steps li{counter-increment:s}
.steps .phone{box-shadow:0 14px 30px rgba(21,35,59,.14);border-width:7px;border-radius:24px;aspect-ratio:390/700}
.steps h3{margin-top:20px;display:flex;align-items:center;gap:10px}
.steps h3::before{content:counter(s);flex:none;width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font:600 13px/26px var(--sans);text-align:center}
.steps p{margin-top:6px;font-size:15.5px;color:var(--ink-soft)}

/* split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.split .lead{margin-top:16px}
.ticks{list-style:none;padding:0;margin:24px 0 0}
.ticks li{display:flex;gap:12px;padding:9px 0;font-size:16.5px}
.ticks svg{flex:none;margin-top:4px}

/* tables */
table{border-collapse:collapse;width:100%}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;color:var(--ink)}
.band.navy .panel{border-color:transparent}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;display:flex;flex-direction:column}
.plan.pop{border:2px solid var(--navy);position:relative}
.plan .tag{position:absolute;top:-12px;left:22px;background:var(--navy);color:#fff;font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:20px}
.plan h3{font-size:18px}
.plan .per{color:var(--ink-soft);font-size:14.5px}
.plan .price{font:700 34px/1.1 var(--sans);letter-spacing:-.02em;margin-top:14px;font-variant-numeric:tabular-nums}
.plan .usd{font-size:14px;color:var(--ink-faint);margin-top:4px}
.plan ul{list-style:none;padding:0;margin:20px 0 0;font-size:15px;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:16px}
.plan li{padding:5px 0;display:flex;gap:9px}
.plan li svg{flex:none;margin-top:5px}
.fine{margin-top:18px;font-size:14px;color:var(--ink-faint);text-align:center}

/* faq */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-size:17.5px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 0 20px;color:var(--ink-soft)}

/* call to action band */
.calltoaction{display:flex;justify-content:space-between;align-items:center;gap:32px}
.calltoaction p{margin-top:8px}

/* footer */
.site-foot{background:#0F1A2D;color:var(--on-navy);padding:56px 0 30px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-foot .logo{color:#fff}
.site-foot .logo .lt{color:var(--accent)}
.site-foot h4{margin:0 0 12px;color:#fff;font-size:14.5px;font-weight:600}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{padding:4px 0}
.site-foot a{color:var(--on-navy);text-decoration:none}
.site-foot a:hover{color:#fff;text-decoration:underline}
.site-foot .about{margin-top:14px;max-width:24em}
.legal{border-top:1px solid #23324F;margin-top:40px;padding-top:20px;font-size:13px;color:#8C99AE;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* document pages */
.doc{max-width:760px;margin:0 auto;padding:64px 24px 88px}
.doc .eff{margin-top:10px;color:var(--ink-faint)}
.doc h2{font-size:21px;margin-top:34px}
.doc p,.doc li{margin-top:10px;color:#2B3850}
.doc ol{padding-left:22px}

@media (max-width:980px){
  .mainnav,.site-head .btn{display:none}
  .menu{display:block}
  .hero .wrap,.split{grid-template-columns:1fr;gap:44px}
  .grid3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plans{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .calltoaction{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  body{font-size:16.5px}
  .wrap{padding:0 18px}
  .band{padding:64px 0}
  .hero{padding:44px 0 56px}
  .lead{font-size:17.5px}
  .grid3,.plans{grid-template-columns:1fr}
  .steps{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;margin-right:-18px;padding-right:18px;padding-bottom:8px}
  .steps li{flex:0 0 72%;scroll-snap-align:start}
  .cta .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr}
}

/* ---- Sanaur Labs: page-specific ---- */
.logo svg{border-radius:8px}
.duo{position:relative;height:500px;max-width:520px;margin-left:auto;width:100%}
.duo .level{position:absolute;left:4%;right:4%;bottom:0;height:46%;background:var(--accent-soft);border-top:3px solid var(--accent);border-radius:0 0 18px 18px}
.duo .phone{position:absolute;width:44%;border-width:7px;border-radius:26px}
.duo .back{left:10%;top:0;transform:rotate(-4deg)}
.duo .front{right:10%;top:40px;transform:rotate(3deg)}
.product{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:40px}
.pname{display:flex;gap:14px;align-items:center}
.pname img{border-radius:13px}
.pname h3{font-size:24px}
.pname p{font-size:15px;margin-top:2px}
.pdesc{margin-top:18px;font-size:17.5px;color:var(--ink-soft);max-width:34em}
.pshot{max-width:240px;justify-self:center;width:100%}
.next{display:flex;gap:16px;align-items:center;margin-top:18px;border:1.5px dashed #C9D2DE;border-radius:14px;padding:22px 26px}
.next .ico{width:44px;height:44px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;flex:none}
.next p{margin-top:2px;font-size:15.5px}
@media (prefers-reduced-motion:no-preference){
  .lvl{animation:lvl 1.6s cubic-bezier(.3,.7,.2,1) .3s both}
}
@keyframes lvl{from{transform:translateY(46px)}to{transform:translateY(0)}}
@media (max-width:980px){
  .duo{margin:0 auto;height:440px}
  .product{grid-template-columns:1fr;padding:28px}
  .pshot{display:none}
}
@media (max-width:600px){
  .duo{height:360px}
  .duo .phone{width:48%}
}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}