/* ARANTRON — 3D Configurator · shared site styles
   Palette taken from the logo: black wordmark + sky blue (#59BBFF) underline. Light-only by design. */
:root{
  color-scheme: light;
  --accent:#59BBFF;          /* logo blue — fills, rules, highlights */
  --accent-strong:#0B6DB7;   /* blue for text/links on white (AA contrast) */
  --accent-ink:#064B80;
  --paper:#FFFFFF; --surface:#FFFFFF; --surface-2:#F3F6F9;
  --ink:#0A0C0F; --ink-soft:#4A5058; --ink-faint:#6B727B;
  --line:#E2E7EC; --line-strong:#C9D1D9;
  --graphite:#0A0C0F; --graphite-2:#161A20;
  --good:#12805C; --warn:#C2410C;
  --onDark:#F4F8FB;
  --shadow: 0 1px 2px rgba(10,12,15,.05), 0 8px 24px rgba(10,12,15,.06);
  --radius: 8px;
  /* legacy names, kept so older markup keeps working */
  --brass:var(--accent); --brass-dark:var(--accent-strong); --brass-ink:var(--accent-ink);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
h1,h2,h3,h4{font-family:"Chakra Petch","Arial Narrow",sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.02em;text-wrap:balance;color:var(--ink);margin:0;}
p{margin:0;max-width:62ch;}
a{color:inherit;text-decoration:none;}
.mono{font-family:"IBM Plex Mono","SFMono-Regular",monospace;font-variant-numeric:tabular-nums;}
.container{max-width:1120px;margin:0 auto;padding:0 24px;}
.eyebrow{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-strong);margin:0 0 10px;}
.lede{font-size:16.5px;color:var(--ink-soft);max-width:58ch;}

/* the logo's fading blue underline, reused as a signature rule */
.rule{height:2px;width:min(280px,60%);background:linear-gradient(90deg,transparent,var(--accent) 50%,transparent);}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:6px;padding:12px 22px;font-size:14px;font-weight:600;font-family:inherit;transition:filter .15s,transform .1s,background .15s;white-space:nowrap;}
.btn:hover{filter:brightness(1.06);} .btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:#04101A;}
.btn-dark{background:var(--graphite);color:var(--onDark);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong);}
.btn-ghost:hover{background:var(--surface-2);}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn-block{width:100%;}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:20;background:var(--paper);}
.nav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,var(--line),var(--accent) 50%,var(--line));}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:1120px;margin:0 auto;gap:16px;}
.brand{display:flex;flex-direction:column;align-items:flex-start;gap:0;flex-shrink:0;}
.brand-logo{height:15px;width:auto;display:block;}
.brand-tag{display:block;width:100%;position:relative;margin-top:4px;padding-top:4px;font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:6.5px;line-height:1;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-soft);white-space:nowrap;}
.brand-tag::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--accent),transparent);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:13.5px;font-weight:600;color:var(--ink-soft);}
.nav-links a:hover, .nav-links a.active{color:var(--ink);}
.nav-links a.active{box-shadow:0 2px 0 var(--accent);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;color:var(--ink);}
.nav-toggle svg{width:22px;height:22px;display:block;}
/* #nav-links (an ID selector) is used here, not .nav-links, purely for specificity: it has to beat
   "body.signed-in .portal-link{display:inline-block}" below, which a plain class rule couldn't. */
#nav-links .nav-mobile-extra{display:none;}
@media (max-width:760px){
  .nav-links{position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:2px;padding:8px 24px 14px;display:none;box-shadow:var(--shadow);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:10px 0;width:100%;}
  .nav-links a.active{box-shadow:none;color:var(--accent-strong);}
  .nav-toggle{display:block;}
  .nav-cta .btn-ghost{display:none;}
  /* The header has no room for both nav-cta buttons at this width, so the ghost one (Sign in / Log
     out) is hidden above — but it still needs a way in: this surfaces it inside the dropdown instead
     of just disappearing. */
  #nav-links .nav-mobile-extra{display:block;margin-top:6px;padding-top:12px;border-top:1px solid var(--line);color:var(--accent-strong);}
}
@media (max-width:420px){
  .brand-logo{height:13px;}
  .brand-tag{font-size:6px;letter-spacing:.28em;}
}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);margin-top:80px;}
.footer-inner{max-width:1120px;margin:0 auto;padding:36px 24px 44px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;}
.footer-brand{font-size:12.5px;color:var(--ink-faint);}
.footer-brand b{color:var(--ink);font-family:"Chakra Petch",sans-serif;letter-spacing:.06em;}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;}
.footer-links a{font-size:12.5px;color:var(--ink-soft);}
.footer-links a:hover{color:var(--accent-strong);}
.footer-legal{width:100%;font-size:11.5px;color:var(--ink-faint);padding-top:18px;border-top:1px solid var(--line);margin-top:6px;}

/* ---- sections ---- */
section{padding:72px 0;}
.section-head{max-width:640px;margin:0 auto 40px;text-align:center;}
.section-head.left{margin:0 0 36px;text-align:left;}
.section-head::after{content:"";display:block;height:2px;width:220px;max-width:60%;margin:20px auto 0;background:linear-gradient(90deg,transparent,var(--accent) 50%,transparent);}
.section-head.left::after{margin-left:0;background:linear-gradient(90deg,var(--accent),transparent);}
.sec-title{font-size:clamp(26px,4vw,38px);margin:6px 0 12px;}

/* ---- cards / grids ---- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);}
.callout{border-left:3px solid var(--accent);background:var(--surface-2);border-radius:0 6px 6px 0;padding:16px 20px;font-size:14px;color:var(--ink-soft);}
.callout strong{color:var(--ink);}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:4px;background:var(--surface-2);color:var(--ink-soft);border:1px solid var(--line);}

/* ---- hero layout ---- */
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;}}
.hero-grid .viewer-bay{clip-path:polygon(0 0,calc(100% - 30px) 0,100% 30px,100% 100%,30px 100%,0 calc(100% - 30px));}

/* ---- hero viewer-bay motif (echoes the actual configurator viewer) ---- */
.viewer-bay{position:relative;width:100%;border-radius:12px;overflow:hidden;background:linear-gradient(165deg,var(--graphite-2),var(--graphite));}
.grid-overlay{position:absolute;inset:0;opacity:.6;pointer-events:none;background-image:linear-gradient(rgba(89,187,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(89,187,255,.09) 1px,transparent 1px);background-size:30px 30px;}
.tick{position:absolute;width:18px;height:18px;border-color:rgba(89,187,255,.55);pointer-events:none;}
.tick.tl{top:16px;left:16px;border-top:1.5px solid;border-left:1.5px solid;}
.tick.tr{top:16px;right:16px;border-top:1.5px solid;border-right:1.5px solid;}
.tick.bl{bottom:16px;left:16px;border-bottom:1.5px solid;border-left:1.5px solid;}
.tick.br{bottom:16px;right:16px;border-bottom:1.5px solid;border-right:1.5px solid;}
.bay-chip{position:absolute;display:flex;align-items:center;gap:7px;background:rgba(10,12,15,.6);border:1px solid rgba(89,187,255,.25);border-radius:4px;padding:7px 12px 7px 8px;font-size:11.5px;color:var(--onDark);backdrop-filter:blur(3px);}
.bay-dot{width:12px;height:12px;border-radius:9999px;border:1px solid rgba(255,255,255,.25);flex-shrink:0;}
.bay-hint{position:absolute;bottom:16px;left:16px;font-family:"IBM Plex Mono";font-size:10.5px;color:rgba(230,238,245,.55);}

/* ---- feature grid ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:860px){.grid-3{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.grid-3{grid-template-columns:1fr;} .grid-2{grid-template-columns:1fr;}}
.feature{padding:22px;position:relative;}
.feature::before{content:"";position:absolute;top:-1px;left:22px;width:36px;height:2px;background:var(--accent);}
.feature .ficon{width:38px;height:38px;border-radius:6px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--accent-strong);}
.feature .ficon svg{width:20px;height:20px;}
.feature h3{font-size:15px;letter-spacing:.03em;margin-bottom:6px;}
.feature p{font-size:13.5px;color:var(--ink-soft);}

/* ---- process steps ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.steps{grid-template-columns:1fr;}}
.step{padding:20px;}
.step .snum{font-family:"Chakra Petch",sans-serif;font-weight:700;font-size:30px;color:var(--accent-strong);line-height:1;margin-bottom:8px;}
.step h3{font-size:14px;letter-spacing:.03em;margin-bottom:6px;}
.step p{font-size:13px;color:var(--ink-soft);}

/* ---- format strip ---- */
.formatstrip{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;font-family:"IBM Plex Mono";font-size:12.5px;color:var(--ink-faint);}
.formatstrip .fmt{padding:5px 12px;border:1px solid var(--line);border-radius:4px;background:var(--surface);}
.formatstrip .arrow{color:var(--accent-strong);}

/* ---- pricing tiers ---- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;}
@media (max-width:900px){.tiers{grid-template-columns:1fr;max-width:420px;margin:0 auto;}}
.tiers.four{grid-template-columns:repeat(4,1fr);gap:16px;}
@media (max-width:1100px){.tiers.four{grid-template-columns:1fr 1fr;max-width:none;}}
@media (max-width:640px){.tiers.four{grid-template-columns:1fr;max-width:420px;margin:0 auto;}}
.tier.trial{border-style:dashed;}
.tier{padding:26px 24px;display:flex;flex-direction:column;gap:14px;position:relative;}
.tier.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow);}
.tier.featured::before{content:"MOST POPULAR";position:absolute;top:-11px;left:24px;background:var(--accent);color:#04101A;font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.08em;padding:3px 10px;border-radius:3px;font-weight:700;}
.tier h3{font-size:19px;}
.tier .tagline{font-size:12.5px;color:var(--ink-faint);}
.tier .price{font-family:"IBM Plex Mono";font-size:32px;color:var(--ink);font-weight:600;}
.tier .price small{font-size:13px;color:var(--ink-faint);font-family:"IBM Plex Sans";font-weight:400;}
.tier .price-note{font-size:12px;color:var(--ink-faint);min-height:16px;}
.tier ul{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:9px;flex:1;}
.tier li{font-size:13px;color:var(--ink-soft);padding-left:20px;position:relative;}
.tier li::before{content:"✓";position:absolute;left:0;color:var(--accent-strong);font-weight:700;}

.billing-toggle{display:inline-flex;align-items:center;gap:2px;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:4px;margin:0 auto 8px;}
.billing-toggle button{border:none;background:transparent;padding:8px 18px;border-radius:4px;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink-soft);font-family:inherit;}
.billing-toggle button.active{background:var(--graphite);color:var(--onDark);}
.save-pill{font-size:10.5px;color:var(--good);font-weight:700;margin-left:6px;}

/* ---- generic table ---- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);}
table{border-collapse:collapse;width:100%;background:var(--surface);font-size:13px;min-width:520px;}
th,td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
thead th{background:var(--graphite);color:var(--onDark);font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;font-weight:500;white-space:nowrap;}
tbody tr:last-child td{border-bottom:none;}
td.num{text-align:right;font-family:"IBM Plex Mono";color:var(--accent-strong);white-space:nowrap;}
td.note{color:var(--ink-soft);font-size:12.5px;}

/* ---- FAQ ---- */
.faq{display:flex;flex-direction:column;gap:10px;max-width:720px;margin:0 auto;}
.faq details{border:1px solid var(--line);border-radius:6px;padding:16px 18px;background:var(--surface);}
.faq summary{cursor:pointer;font-weight:600;font-size:14.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:18px;color:var(--accent-strong);}
.faq details[open] summary::after{content:"–";}
.faq p{margin-top:10px;font-size:13.5px;color:var(--ink-soft);}

/* ---- CTA band ---- */
.ctaband{position:relative;background:linear-gradient(165deg,var(--graphite-2),var(--graphite));padding:52px 40px;text-align:center;color:var(--onDark);clip-path:polygon(0 0,calc(100% - 36px) 0,100% 36px,100% 100%,36px 100%,0 calc(100% - 36px));}
.ctaband::after{content:"";position:absolute;left:12%;right:12%;bottom:22px;height:2px;background:linear-gradient(90deg,transparent,var(--accent) 50%,transparent);}
.ctaband h2{color:var(--onDark);}
.ctaband p{color:#B9C4CE;margin:12px auto 26px;}

/* ---- contact page ---- */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:start;}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;}}
.form-card{padding:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--ink-soft);margin-bottom:6px;}
.field .req{color:var(--warn);}
.field input, .field select, .field textarea{
  width:100%;padding:11px 13px;border-radius:6px;border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);
  font-size:13.5px;font-family:inherit;transition:border-color .15s, box-shadow .15s;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus, .field select:focus, .field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(89,187,255,.25);}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:520px){.row2{grid-template-columns:1fr;}}
.form-note{font-size:12px;color:var(--ink-faint);margin-top:10px;}
.contact-card{padding:26px;display:flex;flex-direction:column;gap:18px;}
.contact-row{display:flex;gap:12px;align-items:flex-start;}
.contact-row .cicon{width:34px;height:34px;border-radius:6px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent-strong);}
.contact-row .cicon svg{width:18px;height:18px;}
.contact-row h4{font-size:13px;letter-spacing:.03em;margin-bottom:2px;}
.contact-row p, .contact-row a{font-size:13px;color:var(--ink-soft);}
.contact-row a:hover{color:var(--accent-strong);}

/* ---- legal / long-form text pages (privacy, terms) ---- */
.legal{max-width:760px;margin:0 auto;}
.legal .updated{font-size:12.5px;color:var(--ink-faint);margin-bottom:32px;font-family:"IBM Plex Mono",monospace;}
.legal h2{font-size:19px;margin:38px 0 12px;letter-spacing:.01em;}
.legal h2:first-of-type{margin-top:0;}
.legal h3{font-size:14px;margin:20px 0 8px;color:var(--ink);text-transform:none;letter-spacing:0;font-family:"IBM Plex Sans",sans-serif;font-weight:700;}
.legal p{max-width:none;font-size:14.5px;line-height:1.65;color:var(--ink-soft);margin:0 0 14px;}
.legal ul,.legal ol{margin:0 0 14px;padding-left:22px;color:var(--ink-soft);font-size:14.5px;line-height:1.6;}
.legal li{margin-bottom:6px;}
.legal a{color:var(--accent-strong);text-decoration:underline;}
.legal strong{color:var(--ink);}
.legal .toc{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;margin-bottom:32px;padding:14px 18px;background:var(--surface-2);border-radius:var(--radius);}
.legal .toc a{text-decoration:none;color:var(--ink-soft);font-weight:600;}
.legal .toc a:hover{color:var(--accent-strong);}

/* ---- pricing page: plan cards + price builder ---- */
.tiers.three{grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width:980px){.tiers.three{grid-template-columns:1fr 1fr;max-width:none;}}
@media (max-width:640px){.tiers.three{grid-template-columns:1fr;max-width:440px;margin:0 auto;}}
.tier.picked{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent),var(--shadow);}
.tier.featured::before{content:"MOST COMMON";}
.sub-h{font-size:17px;margin:34px 0 12px;}
.fine{font-size:12.5px;color:var(--ink-faint);margin:10px 0 0;max-width:none;}
.inc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
@media (max-width:900px){.inc-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.inc-grid{grid-template-columns:1fr;}}
.inc{padding:18px 20px;display:flex;flex-direction:column;gap:6px;}
.inc b{font-size:14.5px;}
.inc span{font-size:13px;color:var(--ink-soft);}
.cfg[hidden]{display:none;}
.cfg-top{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:22px;}
.cfg-sub{font-size:13px;color:var(--ink-soft);margin-top:6px;max-width:70ch;}
.cfg-switch{font-size:12px;font-weight:600;color:var(--ink-soft);display:flex;flex-direction:column;gap:4px;}
.cfg-switch select,.svc select{font:inherit;font-size:13px;padding:8px 10px;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface);color:var(--ink);max-width:100%;}
.cfg-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:22px;align-items:start;}
@media (max-width:900px){.cfg-grid{grid-template-columns:1fr;}}
.cfg-opts{display:flex;flex-direction:column;gap:16px;}
.cfg-step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);}
.cfg-step h3{font-size:15px;display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.cfg-step h3 span{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--graphite);color:var(--onDark);font-size:12px;}
.cfg-step h3 em{font-style:normal;font-family:"IBM Plex Sans";text-transform:none;letter-spacing:0;font-weight:500;font-size:12px;color:var(--ink-faint);}
.cfg-h4{font-size:12px;letter-spacing:.08em;color:var(--ink-faint);margin:18px 0 6px;}
.cfg-note{font-size:12.5px;color:var(--ink-soft);margin:0 0 10px;max-width:none;}
.svc{display:grid;grid-template-columns:minmax(0,1fr) auto 84px;gap:6px 14px;align-items:center;padding:11px 0;border-top:1px solid var(--line);}
.svc:first-of-type{border-top:0;}
.svc.chk{grid-template-columns:22px minmax(0,1fr) auto;cursor:pointer;}
.svc.chk input{width:18px;height:18px;accent-color:#0B6DB7;}
.svc-t{display:flex;flex-direction:column;gap:2px;min-width:0;}
.svc-t b{font-size:13.5px;}
.svc-t span{font-size:12.5px;color:var(--ink-soft);}
.svc-p{font-family:"IBM Plex Mono";font-size:13.5px;font-weight:600;white-space:nowrap;text-align:right;}
.svc-p small{font-family:"IBM Plex Sans";font-weight:400;font-size:11.5px;color:var(--ink-faint);}
.svc input[type=number]{width:84px;font:600 14px "IBM Plex Mono",monospace;padding:8px 10px;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface);color:var(--ink);}
.svc select{grid-column:3;}
@media (max-width:560px){.svc{grid-template-columns:minmax(0,1fr) 84px;}.svc .svc-p{grid-column:1;text-align:left;grid-row:2;}.svc input[type=number],.svc select{grid-column:2;grid-row:1 / span 2;}.svc.chk{grid-template-columns:22px minmax(0,1fr);}.svc.chk .svc-p{grid-column:2;grid-row:2;}}
.seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:99px;overflow:hidden;margin-top:6px;}
.seg button{border:0;background:transparent;padding:8px 16px;font:600 13px "IBM Plex Sans",sans-serif;color:var(--ink-soft);cursor:pointer;}
.seg button+button{border-left:1px solid var(--line-strong);}
.seg button.active{background:var(--graphite);color:var(--onDark);}
.seg button em{font-style:normal;font-size:11px;color:var(--good);margin-left:4px;}
.seg button.active em{color:#7CE0B5;}
.modes{display:grid;gap:8px;margin-bottom:6px;}
.mode{display:grid;grid-template-columns:20px 1fr;gap:2px 10px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:8px;cursor:pointer;}
.mode input{grid-row:1 / span 2;margin-top:3px;accent-color:#0B6DB7;}
.mode b{font-size:14px;}
.mode span{font-size:12.5px;color:var(--ink-soft);}
.mode.on{border-color:var(--accent);background:#F2F9FF;box-shadow:0 0 0 1px var(--accent);}
.cfg-build{margin:8px 0 4px;padding:14px 16px;border-left:3px solid var(--accent);background:var(--surface-2);border-radius:0 8px 8px 0;display:flex;flex-direction:column;gap:6px;}
.cfg-build span{font-size:12.5px;color:var(--ink-soft);}
.cfg-sum{position:sticky;top:84px;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;}
@media (max-width:900px){.cfg-sum{position:static;}}
.cfg-sum h3{font-size:16px;}
.sum-sec h4{font-size:11px;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:6px;}
.sum-row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px;}
.sum-row div{display:flex;flex-direction:column;min-width:0;}
.sum-row small{font-size:11.5px;color:var(--ink-faint);}
.sum-row b{font-family:"IBM Plex Mono";font-size:13px;white-space:nowrap;}
.sum-tot{display:flex;justify-content:space-between;gap:12px;padding-top:8px;font-size:13.5px;font-weight:600;}
.sum-tot b{font-family:"IBM Plex Mono";font-size:16px;}
.sum-first{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 14px;background:var(--graphite);color:var(--onDark);border-radius:8px;}
.sum-first span{font-size:12.5px;}
.sum-first b{font-family:"IBM Plex Mono";font-size:22px;}
.sum-fine{font-size:11.5px;color:var(--ink-faint);margin:6px 0 0;max-width:none;}
.sum-warn{font-size:12.5px;color:var(--warn);margin:0;max-width:none;}
.cfg-bar{display:none;}
@media (max-width:900px){
  body.cfg-open .cfg-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:var(--graphite);color:var(--onDark);}
  .cfg-bar div{display:flex;flex-direction:column;}
  .cfg-bar span{font-size:11px;color:#9FB0BF;}
  .cfg-bar b{font-family:"IBM Plex Mono";font-size:14px;}
}

.tiers.three .tier > div:first-child{min-height:74px;}
.tiers.two{grid-template-columns:repeat(2,1fr);gap:18px;max-width:860px;margin:0 auto;}
@media (max-width:700px){.tiers.two{grid-template-columns:1fr;max-width:440px;}}
.tiers.two .tier.featured::before{content:"PREMIUM FEATURES";}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}