/* Shared base for sanaurlabs.com and fuelmetricpro.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:#E0B04A; --on-accent:#15233B; --accent-ink:#7A5712; --accent-soft:#FBF3E1; --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}
.head-gap{margin-left:auto}
.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}
}

/* ---- FuelMetric Pro: page-specific ---- */
.stage{position:relative;max-width:540px;width:100%;margin-left:auto}
.sheetcard{background:#fff;border:1.5px solid var(--navy);border-radius:4px;width:100%;position:relative;box-shadow:0 18px 40px rgba(21,35,59,.10)}
.sheetcard .zones{display:flex;border-bottom:1px solid var(--line);font:500 10.5px/20px var(--mono);color:var(--ink-faint)}
.sheetcard .zones span{flex:1;text-align:center}
.sheetcard .zones span + span{border-left:1px solid #EEF1F5}
.sheetcard svg{width:100%;height:auto;padding:6px 10px 0}
.tb{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--navy);border-top:1.5px solid var(--navy)}
.tb > div{background:#fff;padding:8px 12px}
.tb .k{display:block;font-size:12px;color:var(--ink-soft);line-height:1.3}
.tb .v{display:block;font-size:14.5px;margin-top:2px}
.tb .res{grid-column:1 / -1;background:var(--navy);color:#fff;display:flex;justify-content:space-between;align-items:baseline;padding:10px 14px}
.tb .res .k{color:var(--on-navy);font-size:13px}
.tb .res .v{color:var(--brass);font-size:26px;margin:0}
.tb .res small{font:600 13px var(--sans);color:var(--on-navy);margin-left:5px}

.tank-line{fill:none;stroke:var(--navy);stroke-width:2}
.thin{fill:none;stroke:var(--navy);stroke-width:1}
.dash{fill:none;stroke:var(--ink-soft);stroke-width:1.2;stroke-dasharray:5 5}
.liquid{fill:var(--brass)}
.surface{stroke:#7A5712;stroke-width:1.6}
.d-label{font:400 14px var(--sans);fill:var(--ink-soft)}
.d-value{font:500 18px var(--mono);fill:var(--ink)}
@media (prefers-reduced-motion:no-preference){
  .liquid{transform-box:fill-box;transform-origin:50% 100%;animation:fill 1.6s cubic-bezier(.3,.7,.2,1) .25s both}
  .rise{animation:rise 1.6s cubic-bezier(.3,.7,.2,1) .25s both}
  .after{animation:show .5s ease-out 1.7s both}
  .tb .res .v{animation:show .6s ease-out 2s both}
}
@keyframes fill{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes rise{from{transform:translateY(197px);opacity:0}20%{opacity:1}to{transform:translateY(0)}}
@keyframes show{from{opacity:0}to{opacity:1}}

/* accuracy */
.calc th,.calc td{padding:12px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:15.5px}
.calc th{font-weight:400;color:var(--ink-soft)}
.calc td.num{text-align:right;font-size:16.5px;white-space:nowrap}
.calc td.note{color:var(--ink-faint);font-size:14px;white-space:nowrap}
.calc tr.step th{color:var(--ink);font-weight:600}
.calc tr.total th,.calc tr.total td{border:0;background:var(--navy-2);color:#fff}
.calc tr.total td.num{color:var(--brass);font-size:21px}
.calc tr.total td.note{color:var(--on-navy)}
.proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:40px}
.proof div{border-top:2px solid var(--brass);padding-top:16px}
.proof .num{font-size:30px;color:#fff;display:block}
.proof p{margin-top:6px;color:var(--on-navy);font-size:15.5px}

/* receipt comparison */
.compare dl{margin:0;display:grid;grid-template-columns:1fr auto}
.compare .hd{display:flex;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);font-weight:600}
.compare .hd span{font-weight:400;color:var(--ink-faint)}
.compare dt,.compare dd{margin:0;padding:15px 20px;border-bottom:1px solid var(--line)}
.compare dt{color:var(--ink-soft)}
.compare dd{text-align:right;font-size:18px}
.compare .diff{display:contents}
.compare .diff dt,.compare .diff dd{background:var(--navy);color:#fff;border:0}
.compare .diff dt{color:var(--on-navy)}
.compare .diff dd{color:var(--brass);font-size:24px}
.compare .diff dd small{display:block;font:500 14px var(--mono);color:var(--on-navy)}

@media (max-width:980px){
  .stage{max-width:560px;margin:0 auto;width:100%}
}
@media (max-width:600px){
  .d-label{font-size:17px}.d-value{font-size:21px}
  .proof{grid-template-columns:1fr}
  .calc td.note{display:none}
  .calc th,.calc td{padding:11px 14px}
}

/* trust strip under the hero */
.trustbar{background:var(--navy);color:var(--on-navy)}
.trustbar ul{list-style:none;margin:0;padding:16px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 26px;font-size:15px}
.trustbar li{display:flex;align-items:center;gap:8px;color:#fff}
.trustbar svg path{stroke:var(--brass)}

/* Windows section: laptop frame */
.split.wide{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px}
.split .cta{margin-top:28px}
.laptop{width:100%;padding:0 3%;box-sizing:border-box}
.laptop .screen{background:#0E1626;border-radius:14px 14px 0 0;padding:14px 14px 10px;box-shadow:0 22px 50px rgba(21,35,59,.18)}
.laptop .screen img{display:block;width:100%;height:auto;border-radius:4px}
.laptop .base{height:16px;margin:0 -3%;background:linear-gradient(#D5DBE4,#B9C2CF);border-radius:0 0 14px 14px;position:relative}
.laptop .base::before{content:"";position:absolute;left:50%;top:0;width:16%;height:6px;transform:translateX(-50%);background:#A9B3C1;border-radius:0 0 8px 8px}

/* pricing tabs (no script: radio buttons) */
.ptabs > input{position:absolute;opacity:0;pointer-events:none}
.ptabs > label{display:inline-block;padding:10px 22px;border:1.5px solid var(--navy);font-weight:600;cursor:pointer;background:#fff;color:var(--navy)}
.ptabs > label[for="pf-win"]{border-radius:10px 0 0 10px;margin-left:calc(50% - 112px)}
.ptabs > label[for="pf-and"]{border-radius:0 10px 10px 0;margin-left:-1.5px}
.ptabs > input:checked + label{background:var(--navy);color:#fff}
.ptabs > input:focus-visible + label{outline:3px solid var(--accent);outline-offset:2px}
.ptabs .pane{display:none;margin-top:30px}
#pf-win:checked ~ .pane-win,#pf-and:checked ~ .pane-and{display:block}
.plans3{grid-template-columns:repeat(3,minmax(0,1fr));max-width:980px;margin:0 auto}
.plan > .btn{margin-top:18px}
.fine a{color:inherit}

/* download page */
.btn-big{min-height:54px;padding:10px 26px;font-size:17px;margin-top:24px;white-space:normal;text-align:center;max-width:100%;box-sizing:border-box}
.doc .meta{list-style:none;padding:0;margin-top:14px;color:var(--ink-soft);font-size:15px}
.doc .meta li{margin-top:4px}
.doc code{font:500 13px var(--mono);word-break:break-all;color:var(--ink)}

@media (max-width:980px){
  .split.wide{grid-template-columns:1fr}
  .plans3{grid-template-columns:1fr}
  .trustbar ul{justify-content:flex-start}
}

/* what's new */
.doc .log section{border-top:1px solid var(--line);margin-top:28px;padding-top:6px}
.doc .log h2 span{font:400 15px var(--sans);color:var(--ink-faint);margin-left:8px}
.doc .log ul{padding-left:20px}
/* footer with a Help column */
.site-foot .foot-grid{grid-template-columns:1.3fr repeat(4,minmax(0,1fr))}
@media (max-width:980px){.site-foot .foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.site-foot .foot-grid{grid-template-columns:1fr}}
/* accuracy link */
.more{margin-top:22px;font-weight:600}
.band.navy .more a{color:var(--accent)}
/* user guide and method */
.guide .crumb{font-size:14px;color:var(--ink-faint)}
.guide .crumb a{color:var(--ink-soft)}
.guide .crumb + h1{margin-top:8px}
.guide h2{scroll-margin-top:84px}
.guide ul{padding-left:22px}
.guide .toc{list-style:none;padding:0;margin-top:28px;counter-reset:ch;border-top:1px solid var(--line)}
.guide .toc li{counter-increment:ch;margin:0;padding:16px 0 16px 44px;border-bottom:1px solid var(--line);position:relative}
.guide .toc li::before{content:counter(ch);position:absolute;left:0;top:15px;width:28px;height:28px;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink);font:600 14px/28px var(--mono);text-align:center}
.guide .toc a{font-weight:600;font-size:17px;color:var(--ink);text-decoration:none}
.guide .toc a:hover{text-decoration:underline}
.guide .toc span{display:block;margin-top:2px;font-size:15px;color:var(--ink-soft)}
.guide .aside{margin-top:28px;font-size:15px;color:var(--ink-soft)}
.guide .shot{margin:22px 0 6px}
.guide .shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(21,35,59,.08)}
.guide .shot figcaption{margin-top:8px;font-size:14px;color:var(--ink-faint)}
.guide pre{margin-top:12px;background:#F4F2EC;border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-x:auto}
.guide pre code{font:500 13px/1.55 var(--mono);word-break:normal;white-space:pre}
.guide .pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.guide .pn a{display:block;border:1px solid var(--line);border-radius:10px;padding:14px 16px;text-decoration:none;font-weight:600;color:var(--ink)}
.guide .pn a:hover{border-color:#B9C3D1}
.guide .pn span{display:block;font-size:13px;font-weight:400;color:var(--ink-faint)}
.guide .pn .next-ch{text-align:right}
.guide .tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:15px}
.guide .tbl th,.guide .tbl td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
.guide .tbl thead th{font-size:13px;color:var(--ink-faint);font-weight:600;border-bottom:1.5px solid #C6CFDD}
.guide .tbl td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.guide .tbl td{color:#2B3850}
.guide .tbl td.num{white-space:nowrap;color:var(--ink)}
@media (max-width:600px){
  .guide .pn{grid-template-columns:1fr}
  .guide .pn .next-ch{text-align:left}
  .guide .tbl td:first-child{white-space:normal}
  .guide .tbl{font-size:14px}
  .guide .tbl th,.guide .tbl td{padding:9px 8px}
}
.guide pre{font-size:13px;line-height:1.55}

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