/* PropXFlow — Liquid Glass / Bento design system */
:root{
  --ink:#050505; --deep:#0d0d0d; --text:#f5f5f5; --muted:#9a9a9a;
  --violet:#ffffff; --teal:#e5e5e5; --marigold:#ffffff; --rose:#bfbfbf;
  --glass:rgba(255,255,255,.055); --glass-hi:rgba(255,255,255,.10);
  --stroke:rgba(255,255,255,.13); --stroke-hi:rgba(255,255,255,.28);
  --r-lg:28px; --r-md:20px; --r-sm:14px;
  --disp:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Instrument Sans",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:#fff;color:#000}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--disp);font-weight:700;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,6vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.7rem)}
h3{font-size:1.18rem;letter-spacing:0}
p{color:var(--muted)}
.wrap{width:min(1180px,92%);margin:0 auto}
section{padding:88px 0}

/* ambient aurora */
.aurora{position:fixed;inset:0;z-index:-2;background:radial-gradient(52% 44% at 12% 8%,rgba(255,255,255,.10),transparent 62%),radial-gradient(44% 40% at 88% 14%,rgba(255,255,255,.06),transparent 60%),radial-gradient(50% 46% at 78% 92%,rgba(255,255,255,.05),transparent 60%),var(--ink)}
.aurora::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E")}
.blob{position:fixed;z-index:-1;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 26s ease-in-out infinite alternate;pointer-events:none}
.blob.b1{width:420px;height:420px;background:#fff;opacity:.10;top:-120px;left:-90px}
.blob.b2{width:360px;height:360px;background:#fff;opacity:.07;top:30%;right:-140px;animation-delay:-8s}
.blob.b3{width:300px;height:300px;background:#fff;bottom:-100px;left:24%;animation-delay:-16s;opacity:.06}
@keyframes drift{to{transform:translate(60px,-50px) scale(1.15)}}

/* glass */
.glass{background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);backdrop-filter:blur(22px) saturate(1.5);-webkit-backdrop-filter:blur(22px) saturate(1.5);position:relative;overflow:hidden}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(135deg,rgba(255,255,255,.14),transparent 42%);pointer-events:none}
.glass:hover{border-color:var(--stroke-hi)}

/* nav */
header.nav{position:sticky;top:14px;z-index:50}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;border-radius:999px}
.logo{font-family:var(--disp);font-weight:800;font-size:1.25rem;letter-spacing:-.02em}
.logo em{font-style:normal;background:linear-gradient(92deg,#fff,#8a8a8a);-webkit-background-clip:text;background-clip:text;color:transparent}
.navlinks{display:flex;gap:26px;font-size:.94rem}
.navlinks a{color:var(--muted);transition:color .2s}
.navlinks a:hover,.navlinks a.on{color:var(--text)}
.burger{display:none;background:none;border:0;color:var(--text);font-size:1.5rem;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-family:var(--body);font-weight:600;font-size:.97rem;cursor:pointer;border:1px solid var(--stroke);transition:transform .18s,box-shadow .18s}
.btn:focus-visible{outline:2px solid #fff;outline-offset:3px}
.btn.gold{background:#fff;color:#000;border:0;box-shadow:0 8px 30px rgba(255,255,255,.22)}
.btn.ghost{background:var(--glass);color:var(--text);backdrop-filter:blur(14px)}
.btn:hover{transform:translateY(-2px)}
.btn.gold:hover{box-shadow:0 12px 38px rgba(255,255,255,.34)}

/* hero */
.hero{padding:96px 0 60px;text-align:left}
.eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:#d9d9d9;display:inline-block;padding:7px 14px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.06);margin-bottom:22px}
.hero h1 span{background:linear-gradient(94deg,#fff 5%,#cfcfcf 48%,#7d7d7d 95%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{max-width:560px;font-size:1.13rem;margin:20px 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.trustrow{display:flex;gap:26px;margin-top:42px;flex-wrap:wrap}
.trustrow div b{font-family:var(--disp);font-size:1.5rem;display:block;color:var(--text)}
.trustrow div span{font-size:.83rem;color:var(--muted)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{padding:28px;transition:transform .25s ease,border-color .25s}
.card:hover{transform:translateY(-4px)}
.card .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px;background:rgba(255,255,255,.08);border:1px solid var(--stroke)}
.card h3{margin-bottom:8px}
.card p{font-size:.94rem}
.card .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--marigold);margin-bottom:10px;display:block}
.s6{grid-column:span 6}.s4{grid-column:span 4}.s8{grid-column:span 8}.s3{grid-column:span 3}.s12{grid-column:span 12}.s5{grid-column:span 5}.s7{grid-column:span 7}
.card.feature-hero{background:linear-gradient(140deg,rgba(255,255,255,.14),rgba(255,255,255,.05) 60%,var(--glass))}
.card.gold-tint{background:linear-gradient(150deg,rgba(255,255,255,.11),var(--glass) 62%)}
.card.rose-tint{background:linear-gradient(150deg,rgba(255,255,255,.08),var(--glass) 62%)}

/* section heads */
.shead{max-width:640px;margin-bottom:44px}
.shead .eyebrow{margin-bottom:14px}
.shead p{margin-top:12px}

/* QR demo widget */
.qrdemo{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.qrbox{width:132px;height:132px;border-radius:18px;background:#fff;padding:10px;flex:none}
.qrbox svg{width:100%;height:100%}
.ledger{font-family:var(--mono);font-size:.8rem;line-height:2}
.ledger b{color:var(--teal)}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:#fff;margin-right:7px;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.5)}55%{box-shadow:0 0 0 9px rgba(255,255,255,0)}}

/* calculator */
.calc label{display:block;font-size:.85rem;color:var(--muted);margin:14px 0 6px}
.calc input,.calc select{width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--stroke);background:rgba(0,0,0,.28);color:var(--text);font-family:var(--mono);font-size:.95rem}
.calc input:focus{outline:2px solid #fff}
.calc-out{margin-top:20px;padding:18px;border-radius:var(--r-md);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.35);font-family:var(--mono)}
.calc-out b{font-size:1.5rem;color:var(--marigold)}

/* tables / pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.tier{padding:34px 28px;display:flex;flex-direction:column}
.tier .price{font-family:var(--disp);font-size:2.5rem;margin:12px 0 4px}
.tier .per{font-size:.82rem;color:var(--muted)}
.tier ul{list-style:none;margin:22px 0;flex:1}
.tier li{padding:8px 0;font-size:.93rem;color:var(--muted);border-bottom:1px dashed rgba(255,255,255,.09)}
.tier li::before{content:"◆ ";color:var(--teal);font-size:.7rem}
.tier.hot{border-color:var(--marigold);box-shadow:0 0 60px rgba(255,255,255,.14)}
.badge{position:absolute;top:18px;right:18px;font-family:var(--mono);font-size:.65rem;letter-spacing:.12em;padding:5px 11px;border-radius:999px;background:#fff;color:#000;text-transform:uppercase}
.toggle{display:inline-flex;gap:0;border:1px solid var(--stroke);border-radius:999px;overflow:hidden;margin-bottom:34px}
.toggle button{padding:10px 22px;background:none;border:0;color:var(--muted);font-family:var(--body);font-weight:600;cursor:pointer}
.toggle button.on{background:var(--glass-hi);color:var(--text)}

/* FAQ */
.faq details{border:1px solid var(--stroke);border-radius:var(--r-md);margin-bottom:12px;background:var(--glass);backdrop-filter:blur(16px)}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:600;font-family:var(--disp);font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--marigold);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 22px 18px;font-size:.94rem}

/* city grid */
.citygrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.city{padding:22px;text-align:left}
.city b{font-family:var(--disp);font-size:1.05rem;display:block}
.city span{font-size:.8rem;color:var(--muted)}
.city em{font-family:var(--mono);font-style:normal;font-size:.7rem;color:var(--teal);display:block;margin-top:8px}

/* forms */
.form input,.form textarea,.form select{width:100%;padding:14px;border-radius:var(--r-sm);border:1px solid var(--stroke);background:rgba(0,0,0,.28);color:var(--text);font-family:var(--body);margin-bottom:14px;font-size:.95rem}
.form input:focus,.form textarea:focus{outline:2px solid #fff}

/* blog */
.post{padding:26px}
.post .date{font-family:var(--mono);font-size:.72rem;color:var(--teal);letter-spacing:.08em}
.post h3{margin:10px 0}
.article{max-width:760px;margin:0 auto}
.article h2{margin:44px 0 14px;font-size:1.6rem}
.article p{margin-bottom:18px}
.article ul{margin:0 0 18px 22px;color:var(--muted)}
.article li{margin-bottom:8px}

/* footer */
footer{padding:60px 0 40px;border-top:1px solid rgba(255,255,255,.08);margin-top:40px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
footer h4{font-family:var(--disp);font-size:.95rem;margin-bottom:14px}
footer a{display:block;color:var(--muted);font-size:.88rem;padding:4px 0}
footer a:hover{color:var(--marigold)}
.fine{margin-top:40px;font-size:.78rem;color:var(--muted);font-family:var(--mono)}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.blob{animation:none}*{scroll-behavior:auto}}

/* stat marquee */
.marq{overflow:hidden;white-space:nowrap;border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);padding:14px 0;font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;color:var(--muted)}
.marq div{display:inline-block;animation:scroll 30s linear infinite}
.marq span{margin:0 34px;color:var(--muted)}
.marq b{color:var(--marigold)}
@keyframes scroll{to{transform:translateX(-50%)}}

@media(max-width:900px){
  .bento{grid-template-columns:repeat(6,1fr)}
  .s8,.s7,.s6,.s5,.s4{grid-column:span 6}.s3{grid-column:span 3}
  .tiers{grid-template-columns:1fr}
  .citygrid{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
  .navlinks{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;padding:12px;border-radius:var(--r-md)}
  .navlinks.open{display:flex;background:rgba(10,13,30,.92);backdrop-filter:blur(24px);border:1px solid var(--stroke)}
  .navlinks a{padding:13px 16px}
  .burger{display:block}
  section{padding:60px 0}
  .hero{padding:60px 0 40px}
}
@media(max-width:520px){.s3{grid-column:span 6}.citygrid{grid-template-columns:1fr}.trustrow{gap:18px}}

/* monochrome pass */
.card .ic{filter:grayscale(1) contrast(1.15)}
.qrbox svg g{fill:#000}
.art{width:100%;height:auto;opacity:.9}
.art .ln{fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.art .fl{fill:rgba(255,255,255,.10)}
.art .dt{fill:#fff}
.artcard{display:flex;align-items:center;justify-content:center;padding:34px}
.moon{animation:moonglow 5s ease-in-out infinite alternate}
@keyframes moonglow{to{opacity:.45}}