/* nanosoftnc.com — Nanosoft LLC. Mobile-first; no framework, no web fonts. */
:root{
  --bg:#f7f9f8; --surface:#fff; --surface-2:#eef3f1; --line:#dbe3e0;
  --text:#0f1b17; --text-2:#34443e; --muted:#5b6b65;
  --brand:#0f5f55; --brand-2:#0b4a42; --on-brand:#fff; --brand-soft:#dff1ec;
  --mint:#0d8a62; --mint-soft:#e1f5ec;
  --warn-soft:#fff4d6; --warn-text:#6b4e00;
  --radius:16px; --tabbar:64px;
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px); --safe-r:env(safe-area-inset-right,0px);
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0c1311; --surface:#121c19; --surface-2:#182521; --line:#26352f;
  --text:#eef5f2; --text-2:#c9d6d1; --muted:#9aaba4;
  --brand:#3cc4a8; --brand-2:#5fd6bd; --on-brand:#06201a; --brand-soft:#123a31;
  --mint:#4fd6a0; --mint-soft:#113327; --warn-soft:#3a2f10; --warn-text:#f3d27a;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font);min-height:100dvh;overflow-x:clip;
  -webkit-tap-highlight-color:transparent;padding-bottom:calc(var(--tabbar) + var(--safe-b))}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,7vw,52px)} h2{font-size:clamp(24px,5vw,34px)} h3{font-size:19px}
p{margin:0 0 1em}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,var(--safe-l));padding-right:max(16px,var(--safe-r))}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:99;background:var(--surface);padding:10px 14px;border-radius:10px}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}

/* header (static, top) */
.top{position:sticky;top:0;z-index:30;padding-top:var(--safe-t);background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:12px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--text);text-decoration:none;font-weight:750;font-size:19px}
.brand svg{width:30px;height:30px;flex:none}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;line-height:1}
.topnav{display:none;margin-left:auto;gap:4px}
.topnav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;color:var(--text-2);text-decoration:none;font-weight:600;font-size:15px}
.topnav a[aria-current="page"]{background:var(--brand-soft);color:var(--brand)}

/* bottom tab bar (phones) — thumb zone */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(5,1fr);
  background:color-mix(in srgb,var(--surface) 96%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);padding:0 var(--safe-r) var(--safe-b) var(--safe-l)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:var(--tabbar);
  color:var(--muted);text-decoration:none;font-size:11.5px;font-weight:600}
.tabbar svg{width:22px;height:22px}
.tabbar a[aria-current="page"]{color:var(--brand)}
@media (min-width:820px){
  .topnav{display:flex} .tabbar{display:none} body{padding-bottom:0}
}

/* touch feedback on everything tappable */
.tap,.btn,.tabbar a,.topnav a,.brand,.card a,.chip{transition:transform .12s ease,background-color .15s ease,opacity .15s}
.tap:active,.btn:active,.tabbar a:active,.topnav a:active,.chip:active{transform:scale(.96);opacity:.85}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;
  font:inherit;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn.primary{background:var(--brand);color:var(--on-brand)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn svg{width:18px;height:18px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
@media (max-width:519px){.actions .btn{flex:1 1 100%}}

/* sections */
.hero{padding:40px 0 28px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:10px}
.lead{font-size:clamp(17px,2.4vw,20px);color:var(--text-2);max-width:62ch}
section{padding:28px 0}
.band{background:var(--surface-2)}
.grid{display:grid;gap:14px}
@media (min-width:640px){.grid.two{grid-template-columns:repeat(2,1fr)} .grid.three{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.grid.three{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin-bottom:6px}
.card p{color:var(--text-2);margin:0}
.card .ico{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:12px}
.card .ico svg{width:22px;height:22px}
.card.feature .tag{display:inline-block;font-size:11.5px;font-weight:700;border-radius:999px;padding:2px 10px;margin-bottom:8px}
.tag.live{background:var(--mint-soft);color:var(--mint)}
.tag.soon{background:var(--warn-soft);color:var(--warn-text)}

/* product banner */
.product{display:grid;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;overflow:hidden}
@media (min-width:820px){.product{grid-template-columns:1.1fr .9fr;padding:32px}}
.product img{border-radius:14px;aspect-ratio:3/2;object-fit:cover;width:100%}
.vm{color:var(--mint)}

/* in-page chips (Venuemint sections) */
.chips{position:sticky;top:calc(61px + var(--safe-t));z-index:20;background:color-mix(in srgb,var(--bg) 94%,transparent);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.chips .wrap{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-top:8px;padding-bottom:8px}
.chips .wrap::-webkit-scrollbar{display:none}
.chip{flex:none;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);text-decoration:none;font-weight:600;font-size:14.5px}
.chip.on{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}

/* numbered steps */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:s}
.steps li{counter-increment:s;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 16px 62px}
.steps li::before{content:counter(s);position:absolute;left:16px;top:16px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:var(--on-brand);
  display:grid;place-items:center;font-weight:800;font-size:15px}
.steps b{display:block;margin-bottom:2px}
.steps span{color:var(--text-2)}

/* checklist */
.check{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.check li{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.check li::before{content:"";flex:none;width:20px;height:20px;margin-top:2px;border-radius:6px;border:2px solid var(--brand)}
.check small{display:block;color:var(--muted)}

/* demo cards */
.demo{display:flex;flex-direction:column;padding:0;overflow:hidden}
.demo img{aspect-ratio:3/2;object-fit:cover;width:100%}
.demo .body{padding:18px;display:flex;flex-direction:column;gap:6px;flex:1}
.demo .meta{font-size:14px;color:var(--muted)}
.demo .btn{margin-top:auto;align-self:stretch}
.demo.placeholder{justify-content:center;align-items:flex-start;padding:22px;border-style:dashed;background:transparent;min-height:200px}
.note{background:var(--warn-soft);color:var(--warn-text);border-radius:12px;padding:12px 14px;font-size:14.5px}

/* contact */
.contactlist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.contactlist a{display:flex;align-items:center;gap:14px;min-height:56px;padding:12px 16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);color:var(--text);text-decoration:none;font-weight:600;overflow-wrap:anywhere}
.contactlist a:active{transform:scale(.98)}
.contactlist svg{width:22px;height:22px;color:var(--brand);flex:none}
.contactlist small{display:block;color:var(--muted);font-weight:500}

footer{border-top:1px solid var(--line);padding:22px 0 28px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}
footer a{color:var(--muted);display:inline-flex;align-items:center;min-height:44px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ---------- Venuemint pitch page ---------- */
.fine{font-size:14px;color:var(--muted);margin-top:14px}
.pitch-hero .wrap{display:grid;gap:28px;align-items:center}
.ph-art{position:relative;height:430px;max-width:360px;width:100%;margin:0 auto}
.ph-art .phone{position:absolute;width:200px}
.ph-art .front{left:0;bottom:0;z-index:2}
.ph-art .back{right:0;top:0;transform:rotate(4deg);opacity:.96}
@media (min-width:880px){.pitch-hero .wrap{grid-template-columns:1.15fr .85fr}.ph-art{height:520px}.ph-art .phone{width:236px}}

.phone{margin:0;border-radius:30px;padding:7px;background:#111a17;box-shadow:0 18px 40px -18px rgba(8,30,24,.45),0 2px 6px rgba(0,0,0,.12)}
.phone img{border-radius:23px;width:100%;aspect-ratio:600/1298;object-fit:cover;background:var(--surface-2)}
@media (prefers-color-scheme:dark){.phone{background:#2a3934}}

.bubbles{display:grid;gap:12px;margin-top:18px}
@media (min-width:640px){.bubbles{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.bubbles{grid-template-columns:repeat(3,1fr)}}
.bubble{background:var(--surface);border:1px solid var(--line);border-radius:18px 18px 18px 6px;padding:16px 18px}
.bubble time{display:block;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.bubble p{font-size:17px;font-weight:600;margin:0 0 8px;color:var(--text)}
.bubble small{display:block;color:var(--text-2);font-size:14.5px}

.calc{margin-top:18px;border-color:var(--brand);background:linear-gradient(180deg,var(--brand-soft),var(--surface) 70%)}
.calc-in{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.calc label,.selfserve label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:650;color:var(--text-2)}
.calc input,.selfserve input,.selfserve select,.selfserve textarea{font:inherit;font-size:16px;min-height:48px;padding:10px 12px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--text);width:100%}
.selfserve textarea{min-height:96px;resize:vertical}
.calc-out{font-size:18px;margin:4px 0 8px;color:var(--text)}
.calc-out b{color:var(--brand);font-size:24px}
.calc small{color:var(--muted);display:block}

.scene{display:grid;gap:20px;align-items:center;padding:26px 0;border-top:1px solid var(--line)}
.scene:first-of-type{border-top:0}
.scene .phone{width:min(250px,72vw);margin:0 auto}
.scene .pair{display:flex;gap:12px;justify-content:center}
.scene .pair .phone{width:min(210px,42vw);margin:0}
.step{display:inline-block;font-size:13px;font-weight:750;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:10px}
.scene-copy p{color:var(--text-2)}
.was,.now{display:flex;gap:10px;align-items:baseline;margin:0 0 8px!important;font-size:15.5px}
.was b,.now b{flex:none;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;padding:2px 8px;min-width:62px;text-align:center}
.was b{background:var(--warn-soft);color:var(--warn-text)}
.now b{background:var(--mint-soft);color:var(--mint)}
@media (min-width:820px){
  .scene{grid-template-columns:1fr 1fr;gap:48px;padding:40px 0}
  .scene.flip .scene-copy{order:2}
}

.reel{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 2px 16px;margin-top:10px;scrollbar-width:thin}
.reel figure{flex:0 0 min(230px,64vw);margin:0;scroll-snap-align:start}
.reel figcaption,.duo figcaption{margin-top:12px;font-size:14.5px;color:var(--text-2)}
.reel figcaption b,.duo figcaption b{display:block;color:var(--text);font-size:16px}
.hint{font-size:13.5px;color:var(--muted);margin:0}
@media (min-width:1080px){.reel{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 36px;overflow:visible}.reel figure{max-width:250px;justify-self:center}.hint{display:none}}

.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:560px;margin:20px auto}
.duo figure{margin:0}

.incl{display:grid;gap:14px}
@media (min-width:820px){.incl{grid-template-columns:1.3fr 1fr}}
.incl .tag{font-size:13px;padding:4px 12px}
.ticks{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:8px}
.ticks li{position:relative;padding-left:30px;color:var(--text-2)}
.ticks li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--mint-soft)
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d8a62' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/14px no-repeat}
.ticks.soon li::before{background:var(--warn-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b4e00' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M12 7v5l3 2'/%3E%3C/svg%3E") center/14px no-repeat}

.selfserve{margin-top:20px}
.fields{display:grid;gap:14px;margin-top:12px}
@media (min-width:640px){.fields{grid-template-columns:1fr 1fr}.fields .wide{grid-column:1/-1}}
.alt{margin-top:14px;color:var(--text-2)}
.alt a{overflow-wrap:anywhere}
.more{margin-top:18px}
.more summary,.faq summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center;list-style:none}
.more summary::-webkit-details-marker,.faq summary::-webkit-details-marker{display:none}
.more summary::after,.faq summary::after{content:"+";margin-left:auto;padding-left:12px;font-size:22px;color:var(--brand);font-weight:500}
.more[open] summary::after,.faq details[open] summary::after{content:"–"}
.more .check{margin-top:10px}

.offer{text-align:left;border-color:var(--brand);padding:26px}
.faq{display:grid;gap:10px;margin-top:14px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:6px 16px}
.faq details p{color:var(--text-2);margin:0 0 12px}
.closing{text-align:center;padding:44px 0 52px}
.closing .lead{margin:0 auto}
.closing .actions{justify-content:center}

/* How it works — layer stack */
.stack{display:grid;gap:10px;margin-top:18px}
.stack .layer{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;min-width:0}
.stack .layer b{display:block;color:var(--text)}
.stack .layer span{color:var(--text-2);font-size:15px}
.stack .layer.core{border-color:var(--brand);background:var(--brand-soft)}
.stack .down{justify-self:center;color:var(--muted);font-size:20px;line-height:1}
.stack .row{display:grid;gap:10px}
@media (min-width:640px){.stack .row{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.stack .row{grid-template-columns:repeat(4,1fr)}}