:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --bg:#F0F1F3;
  --paper:#FFFFFF;
  --ink:#23272E;
  --muted:#5B636E;
  --line:#D3D7DC;
  --red:#D42027;
  --red-deep:#A8151B;
  --red-soft:#F8D6D7;
  --steel:#3A4049;
  --band:#3A4049;
  --bandline:#59616C;
  --on-red:#FFFFFF;
  --display:"Bricolage Grotesque","Trebuchet MS",Arial,sans-serif;
  --body:"Figtree","Segoe UI",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#15171B;--paper:#1F2329;--ink:#ECEEF1;--muted:#A5ADB8;--line:#333943;
    --red:#FF4A50;--red-deep:#E0353B;--red-soft:#4A1F22;--steel:#2A2F37;--band:#2A2F37;--bandline:#48505C;--on-red:#1A0708;
  }
}
:root[data-theme="dark"]{
  --bg:#15171B;--paper:#1F2329;--ink:#ECEEF1;--muted:#A5ADB8;--line:#333943;
  --red:#FF4A50;--red-deep:#E0353B;--red-soft:#4A1F22;--steel:#2A2F37;--band:#2A2F37;--bandline:#48505C;--on-red:#1A0708;
}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px);scroll-behavior:smooth}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65}
a{color:inherit}
img,svg{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--red);color:var(--on-red);padding:8px 14px;border-radius:8px;z-index:50}
.skip:focus{left:8px}

/* header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px}
.brand{font-family:var(--display);font-weight:800;font-size:22px;text-decoration:none;display:flex;align-items:center;gap:10px;letter-spacing:-0.01em}
.brand svg{width:30px;height:30px;flex:none}
.brand .nm{line-height:1.1}
.brand small{display:block;font-family:var(--body);font-weight:500;font-size:11px;color:var(--muted);letter-spacing:0.02em;margin-top:2px}
nav.main{display:flex;gap:24px;font-weight:500}
nav.main a{text-decoration:none;color:var(--muted);padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--red)}
.call{background:var(--red);color:var(--on-red);padding:9px 16px;border-radius:8px;text-decoration:none;font-weight:700;font-size:15px;white-space:nowrap}
.menu{display:none;background:none;border:1.5px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 12px;font:inherit;font-weight:600;cursor:pointer}
@media (max-width:1080px){
  .menu{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:66px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 22px 16px}
  nav.main.open{display:flex}
  nav.main a{padding:12px 0;border-bottom:1px solid var(--line)}
  .call{display:none}
}

/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 64px;background:radial-gradient(circle at 94% -10%,var(--red-soft) 0,transparent 46%)}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:32px}}
h1{font-family:var(--display);font-weight:800;font-size:clamp(36px,6vw,62px);line-height:1.03;letter-spacing:-0.02em;margin:0 0 20px}
h1 em{font-style:normal;color:var(--red)}
.lede{font-size:19px;color:var(--muted);max-width:46ch;margin:0 0 26px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid var(--steel);font-family:var(--body);font-size:16px;cursor:pointer;color:var(--ink);background:transparent}
.btn.primary{background:var(--red);border-color:var(--red);color:var(--on-red)}
.btn.primary:hover{background:var(--red-deep);border-color:var(--red-deep)}
.btn.ghost:hover{background:var(--paper)}
.facts{display:flex;flex-wrap:wrap;gap:28px;margin:34px 0 0;padding:0;list-style:none;color:var(--muted);font-size:15px}
.facts b{display:block;font-family:var(--display);font-size:24px;color:var(--ink)}

/* calculator */
.calc{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 10px 30px -18px rgba(35,39,46,.35)}
.calc h2{font-family:var(--display);font-size:22px;margin:0 0 4px}
.calc .sub{margin:0 0 18px;color:var(--muted);font-size:15px}
.row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:6px}
.row output{font-family:var(--display);font-weight:700;font-size:26px}
input[type=range]{width:100%;accent-color:var(--red);height:32px;margin:0 0 10px}
.chart{width:100%;height:auto;display:block;margin:6px 0 4px}
.chart text{fill:var(--muted);font-size:11px;font-family:var(--body)}
.res{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.res div{border-left:3px solid var(--red);padding-left:10px}
.res span{display:block;color:var(--muted);font-size:13px;line-height:1.3}
.res b{font-family:var(--display);font-size:20px}
.note{font-size:12.5px;color:var(--muted);margin:14px 0 0}
@media (max-width:420px){.res{grid-template-columns:1fr}}

/* sections */
section{padding:64px 0}
.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2.sec{font-family:var(--display);font-weight:800;font-size:clamp(28px,4vw,40px);letter-spacing:-0.01em;margin:0 0 12px;line-height:1.1}
h3{font-family:var(--display)}
.intro{color:var(--muted);max-width:58ch;margin:0 0 36px}

.cellband{height:18px;background:
  linear-gradient(90deg,var(--bandline) 1.5px,transparent 1.5px) 0 0/30px 100%,
  linear-gradient(0deg,var(--bandline) 1.5px,transparent 1.5px) 0 0/100% 9px,
  var(--band)}

/* scene */
.scenebox{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--paper)}
.scenebox svg{display:block;width:100%;height:auto}
.scenectl{padding:18px 22px 22px}
.scenectl .row output{font-size:20px}
.scenectl input[type=range]{margin-bottom:0}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.steps li{position:relative;padding:22px 20px 0 0;border-top:4px solid var(--steel);counter-increment:s}
.steps li::before{content:counter(s);position:absolute;top:-18px;left:0;background:var(--red);color:var(--on-red);font-family:var(--display);font-weight:800;width:32px;height:32px;border-radius:50%;display:grid;place-items:center}
.steps h3{margin:8px 0 6px;font-size:19px}
.steps p{margin:0;color:var(--muted);font-size:15px}
@media (max-width:820px){.steps{grid-template-columns:1fr;gap:34px}.steps li{padding-right:0}}

/* table */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:640px}
th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line)}
th{font-family:var(--display);font-size:15px;color:var(--muted);font-weight:500}
tbody tr:last-child td{border-bottom:0}
td:first-child{font-family:var(--display);font-weight:700;font-size:19px}
.tag{background:var(--red-soft);color:var(--ink);padding:2px 8px;border-radius:6px;font-size:13px;font-weight:600;margin-left:8px}
.tblnote{font-size:13px;color:var(--muted);margin:12px 0 0}

/* cards grid for service links */
.links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:820px){.links{grid-template-columns:1fr}}
.links a{display:block;text-decoration:none;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--red);border-radius:12px;padding:22px}
.links a:hover{border-color:var(--red)}
.links h3{margin:0 0 6px;font-size:20px}
.links p{margin:0 0 10px;color:var(--muted);font-size:15px}
.links span{color:var(--red);font-weight:700;font-size:15px}

/* why */
.why{display:grid;grid-template-columns:1fr 1fr;gap:34px 48px}
.why h3{margin:0 0 6px;font-size:20px}
.why h3::before{content:"";display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px var(--red-soft);margin-right:12px;vertical-align:1px}
.why p{margin:0;color:var(--muted)}
@media (max-width:760px){.why{grid-template-columns:1fr}}

/* faq */
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:19px}
details p{margin:10px 0 0;color:var(--muted);max-width:66ch}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media (max-width:820px){.contact{grid-template-columns:1fr}}
.field{margin-bottom:14px}
label{display:block;font-weight:600;font-size:15px;margin-bottom:5px}
input[type=text],input[type=tel],select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);font:inherit}

/* inner pages */
.page-hero{padding:48px 0 40px;background:radial-gradient(circle at 96% -20%,var(--red-soft) 0,transparent 46%)}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 14px}
.crumbs a{text-decoration:none;border-bottom:1px solid var(--line)}
.prose{max-width:72ch}
.prose h2{font-family:var(--display);font-size:clamp(24px,3.4vw,32px);margin:40px 0 10px;line-height:1.15}
.prose p,.prose li{color:var(--muted)}
.prose ul{padding-left:20px}
.prose strong{color:var(--ink)}
.callout{border-left:4px solid var(--red);background:var(--paper);padding:16px 20px;border-radius:0 10px 10px 0;margin:24px 0;color:var(--muted)}
.cta{background:var(--steel);color:#fff;border-radius:18px;padding:34px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.cta h2{font-family:var(--display);margin:0;font-size:26px;color:#fff}
.cta p{margin:4px 0 0;color:#C5CBD3}

footer.site{padding:44px 0 50px;color:var(--muted);font-size:15px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
@media (max-width:760px){.fgrid{grid-template-columns:1fr}}
footer.site h3{font-size:16px;color:var(--ink);margin:0 0 10px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin:6px 0}
footer.site a{text-decoration:none;border-bottom:1px solid var(--line)}
.copy{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:13px}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}