/* Keystay marketing landing. Brand: product/BRAND_KEYSTAY.md.
   Mobile-first, WCAG AA. Only used by public/index.html. */

/* Self-hosted brand fonts (latin subset woff2, OFL licenses in /vendor/fonts).
   No Google Fonts: visitor IPs never leak to a third party. */
@font-face{font-family:'Bitter';font-style:normal;font-weight:700 800;font-display:swap;src:url(/vendor/fonts/bitter-700-800-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:400 600;font-display:swap;src:url(/vendor/fonts/sourcesans3-400-600-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(/vendor/fonts/plexmono-500-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --spruce:#29473C;
  --spruce-dark:#1F3A30;
  --ink:#23201C;
  --paper:#FAF6F0;
  --white:#FFFFFF;
  --clay:#A4471F;
  --clay-tint:#F3DED2;
  --fern:#2F7D46;
  --sand:#E8E2D6;
  --muted:#5b564e;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:400 17px/1.6 "Source Sans 3",-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--spruce)}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid var(--clay);outline-offset:2px;border-radius:4px;
}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:50;background:var(--spruce);
  color:#fff;padding:12px 18px;border-radius:0 0 10px 10px;font-weight:600;
  text-decoration:none;transition:top .15s ease-out;
}
.skip-link:focus{top:0}

.container{max-width:1120px;margin:0 auto;padding:0 20px}
section{scroll-margin-top:84px}

/* ---------- Typography ---------- */
h1,h2,h3{font-family:Bitter,Georgia,serif;color:var(--spruce);margin:0}
h1{font-weight:800;font-size:clamp(34px,5.4vw,52px);line-height:1.12;letter-spacing:-.01em}
h2{font-weight:800;font-size:clamp(26px,3.4vw,34px);line-height:1.2;color:var(--spruce)}
h3{font-weight:700;font-size:20px;line-height:1.3;color:var(--ink)}
.overline{
  font:600 13px/1.4 "Source Sans 3",sans-serif;text-transform:uppercase;
  letter-spacing:.08em;color:var(--clay);margin:0 0 8px;
}
.lead{font-size:19px;color:var(--muted)}
.muted{color:var(--muted)}
.section-head{max-width:640px;margin:0 0 28px}
.section-head p{margin:8px 0 0;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:12px 26px;border:none;border-radius:12px;
  background:var(--spruce);color:#fff;font:600 17px "Source Sans 3",sans-serif;
  text-decoration:none;cursor:pointer;transition:background .2s ease-out;
}
.btn:hover{background:var(--spruce-dark)}
.btn.ghost{background:transparent;color:var(--spruce);border:1.5px solid var(--sand)}
.btn.ghost:hover{background:var(--white);border-color:var(--spruce)}
.btn.block{width:100%}

/* ---------- Header ---------- */
.top{
  position:sticky;top:0;z-index:20;background:var(--paper);
  border-bottom:1px solid var(--sand);
}
.top-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{
  font:800 22px Bitter,Georgia,serif;color:var(--spruce);text-decoration:none;
  padding:8px 0;
}
.top nav{display:flex;align-items:center;gap:4px}
.top nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;
  color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;border-radius:10px;
}
.top nav a:hover{background:var(--sand)}
.top nav a.nav-cta{background:var(--spruce);color:#fff;padding:8px 18px;margin-left:6px}
.top nav a.nav-cta:hover{background:var(--spruce-dark)}
@media (max-width:699px){
  .top nav a:not(.nav-cta){display:none}
}

/* ---------- Hero ---------- */
.hero{padding:48px 0 56px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
.hero-copy .sub{
  font:700 clamp(19px,2.4vw,23px)/1.35 Bitter,Georgia,serif;color:var(--ink);
  margin:16px 0 0;
}
.hero-copy p.body{margin:16px 0 0;max-width:52ch;color:var(--muted);font-size:18px}
.hero-cta{margin:28px 0 0}
.hero-note{margin:14px 0 0;font-size:15px;color:var(--muted)}

/* Demo stage: phone + framed sign */
.demo-stage{
  display:flex;flex-direction:column;align-items:center;gap:28px;
}
@media (min-width:700px){
  .demo-stage{flex-direction:row;justify-content:center;align-items:center;gap:36px}
}
.demo-phone-wrap{display:flex;flex-direction:column;align-items:center}
.phone{
  width:min(292px,84vw);aspect-ratio:9/18.4;background:var(--ink);
  border-radius:40px;padding:10px;
  box-shadow:0 30px 60px -24px rgba(35,32,28,.45);
}
.phone-screen{
  position:relative;height:100%;border-radius:30px;overflow:hidden;background:var(--paper);
}
.phone-notch{
  position:absolute;top:8px;left:50%;transform:translateX(-50%);
  width:84px;height:18px;background:var(--ink);border-radius:10px;z-index:3;
}
.phone iframe{
  position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;
  opacity:0;transition:opacity .3s ease-out;z-index:2;
}
.phone.live iframe{opacity:1}
.demo-caption{
  margin:14px 0 0;font:italic 700 17px Bitter,Georgia,serif;color:var(--spruce);
  text-align:center;
}

/* Static fallback shown until (or instead of) the live iframe */
.demo-fallback{position:absolute;inset:0;z-index:1;overflow:hidden}
.demo-fallback .fb-cover{
  height:26%;background:
    linear-gradient(rgba(41,71,60,.55),rgba(41,71,60,.75)),
    repeating-linear-gradient(115deg,var(--sand) 0 2px,transparent 2px 14px),
    var(--spruce);
  display:flex;flex-direction:column;justify-content:flex-end;padding:16px;
}
.demo-fallback .fb-name{font:800 22px Bitter,Georgia,serif;color:#fff;line-height:1.15}
.demo-fallback .fb-host{color:var(--clay-tint);font-size:13px;margin-top:2px}
.demo-fallback .fb-body{padding:12px}
.demo-fallback .fb-card{
  background:var(--white);border:1px solid var(--sand);border-radius:12px;padding:12px;
}
.demo-fallback .fb-ol{
  font:600 11px "Source Sans 3",sans-serif;text-transform:uppercase;
  letter-spacing:.08em;color:var(--clay);
}
.demo-fallback .fb-ssid{font:500 15px "IBM Plex Mono",ui-monospace,monospace;margin-top:4px}
.demo-fallback .fb-reveal{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  background:var(--paper);border:1px solid var(--sand);border-radius:8px;
  padding:8px 10px;margin-top:8px;
}
.demo-fallback .fb-dots{letter-spacing:.24em;color:var(--muted);font-size:14px}
.demo-fallback .fb-tap{
  background:var(--spruce);color:#fff;font:600 12px "Source Sans 3",sans-serif;
  border-radius:7px;padding:5px 10px;
}
.demo-fallback .fb-chips{display:flex;gap:6px;margin:12px 0;flex-wrap:wrap}
.demo-fallback .fb-chip{
  border:1px solid var(--sand);background:var(--white);border-radius:99px;
  padding:6px 11px;font-size:12px;font-weight:600;
}
.demo-fallback .fb-chip.on{background:var(--spruce);border-color:var(--spruce);color:#fff}
.demo-fallback .fb-line{height:9px;background:var(--sand);border-radius:5px;margin:10px 4px 0}
.demo-fallback .fb-line.w2{width:72%}
.demo-fallback .fb-line.w3{width:56%}

/* CSS-composed framed QR sign (brand sign spec, decorative) */
.sign-frame{
  background:var(--ink);padding:9px;border-radius:3px;transform:rotate(2deg);
  box-shadow:0 22px 44px -18px rgba(35,32,28,.4);width:216px;flex:none;
}
.sign-mat{background:var(--white);padding:11px}
.sign{
  background:var(--paper);border:1px solid var(--sand);
  padding:18px 14px 14px;text-align:center;
}
.sign .sign-ol{
  font:600 10px "Source Sans 3",sans-serif;text-transform:uppercase;
  letter-spacing:.16em;color:var(--clay);
}
.sign .sign-name{font:800 21px/1.15 Bitter,Georgia,serif;color:var(--ink);margin:6px 0 0}
.sign .sign-rule{width:44px;height:1px;background:var(--spruce);margin:10px auto}
.sign .sign-qr{
  width:118px;height:118px;margin:0 auto;background:var(--white);
  border:1px solid var(--sand);padding:9px;
}
.sign .sign-qr svg{width:100%;height:100%;shape-rendering:crispEdges}
.sign .sign-scan{font-size:11.5px;line-height:1.4;color:var(--ink);margin:10px 0 0}
.sign .sign-wifi{
  font:500 10.5px "IBM Plex Mono",ui-monospace,monospace;letter-spacing:.04em;
  color:var(--ink);background:var(--white);border:1px solid var(--sand);
  border-radius:6px;display:inline-block;padding:4px 8px;margin:8px 0 0;
}
.sign .sign-foot{font-size:9.5px;color:var(--muted);margin:10px 0 0}

@media (min-width:980px){
  .hero{padding:64px 0 76px}
  .hero-grid{grid-template-columns:1.05fr 1fr;gap:48px}
  .demo-stage{gap:28px}
  .sign-frame{margin-top:36px}
}
@media (max-width:379px){
  .sign-frame{width:188px}
}

/* ---------- Comparison strip ---------- */
.compare{padding:56px 0}
.compare-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:820px){
  .compare-grid{grid-template-columns:repeat(3,1fr)}
}
.compare-card{
  background:var(--white);border:1px solid var(--sand);border-radius:14px;
  padding:24px;display:flex;flex-direction:column;gap:10px;
}
.compare-card.keystay{border:2px solid var(--spruce)}
.compare-card .price{font:800 30px Bitter,Georgia,serif;color:var(--ink)}
.compare-card.keystay .price{color:var(--spruce)}
.compare-card .per{font:600 15px "Source Sans 3",sans-serif;color:var(--muted)}
.compare-card p{margin:0;color:var(--muted);font-size:16px}
.compare-foot{margin:20px 0 0;font-size:15px;color:var(--muted);max-width:72ch}

/* ---------- How it works ---------- */
.how{padding:56px 0}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:16px;counter-reset:step}
@media (min-width:820px){
  .steps{grid-template-columns:repeat(3,1fr)}
}
.steps li{
  counter-increment:step;background:var(--white);border:1px solid var(--sand);
  border-radius:14px;padding:24px;
}
.steps li::before{
  content:counter(step);display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;background:var(--clay-tint);color:var(--clay);
  font:800 18px Bitter,Georgia,serif;margin-bottom:12px;
}
.steps h3{margin:0 0 6px}
.steps p{margin:0;color:var(--muted);font-size:16px}

/* ---------- Pricing ---------- */
.pricing{padding:56px 0}
.pricing-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media (min-width:900px){
  .pricing-grid{grid-template-columns:repeat(3,1fr)}
}
.plan{
  position:relative;background:var(--white);border:1px solid var(--sand);
  border-radius:16px;padding:28px 24px;display:flex;flex-direction:column;gap:14px;
}
.plan.featured{border:2px solid var(--spruce);box-shadow:0 18px 40px -24px rgba(41,71,60,.35)}
.plan .badge{
  position:absolute;top:-14px;left:24px;background:var(--clay);color:#fff;
  font:600 13px "Source Sans 3",sans-serif;letter-spacing:.04em;text-transform:uppercase;
  padding:5px 12px;border-radius:99px;
}
.plan h3{font:700 20px Bitter,Georgia,serif;color:var(--ink)}
.plan .plan-price{font:800 40px/1 Bitter,Georgia,serif;color:var(--spruce)}
.plan .plan-price .once{font:600 15px "Source Sans 3",sans-serif;color:var(--muted);margin-left:6px}
.plan .plan-for{margin:0;color:var(--muted);font-size:15px}
.plan ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;flex:1}
.plan ul li{position:relative;padding-left:26px;font-size:16px}
.plan ul li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:8px;
  border-left:2.5px solid var(--fern);border-bottom:2.5px solid var(--fern);
  transform:rotate(-45deg);
}
.plan ul li.carry{color:var(--muted)}
.pricing-foot{margin:22px 0 0;font-size:15px;color:var(--muted)}

/* ---------- Free tool teaser ---------- */
.free-tool{padding:24px 0 56px}
.tool-card{
  background:var(--white);border:1px solid var(--sand);border-radius:16px;
  padding:28px 24px;display:flex;flex-direction:column;gap:14px;
}
@media (min-width:820px){
  .tool-card{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}
}
.tool-card .tool-qr{
  width:64px;height:64px;flex:none;background:var(--paper);border:1px solid var(--sand);
  border-radius:12px;padding:8px;
}
.tool-card .tool-qr svg{width:100%;height:100%;shape-rendering:crispEdges}
.tool-card h2{font-size:22px}
.tool-card p{margin:4px 0 0;color:var(--muted)}
.tool-lead{display:flex;gap:18px;align-items:center}

/* ---------- FAQ ---------- */
.faq{padding:56px 0}
.faq-list{max-width:760px}
.faq details{
  background:var(--white);border:1px solid var(--sand);border-radius:14px;
  margin:0 0 12px;overflow:hidden;
}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;font:700 17px Bitter,Georgia,serif;color:var(--ink);
  min-height:56px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:none;width:10px;height:10px;margin-right:2px;
  border-right:2.5px solid var(--spruce);border-bottom:2.5px solid var(--spruce);
  transform:rotate(45deg);transition:transform .2s ease-out;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .faq-a{padding:0 22px 20px;color:var(--muted)}
.faq .faq-a p{margin:0 0 10px}
.faq .faq-a p:last-child{margin-bottom:0}

/* ---------- Final CTA ---------- */
.final-cta{padding:24px 0 72px;text-align:center}
.final-cta .inner{
  background:var(--spruce);border-radius:20px;padding:52px 24px;color:#fff;
}
.final-cta h2{color:#fff}
.final-cta p{color:var(--clay-tint);margin:12px auto 0;max-width:52ch}
.final-cta .btn{background:var(--paper);color:var(--spruce);margin-top:26px}
.final-cta .btn:hover{background:#fff}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--sand);padding:36px 0 48px;font-size:14px;color:#6d675d}
.site-foot .foot-brand{font:800 18px Bitter,Georgia,serif;color:var(--spruce);margin:0 0 6px}
.site-foot nav{display:flex;flex-wrap:wrap;gap:4px 8px;margin:14px 0}
.site-foot nav a{
  color:#6d675d;text-decoration:underline;display:inline-flex;align-items:center;
  min-height:44px;padding:0 6px;
}
.site-foot .legal{margin:8px 0 0;max-width:76ch}