/* ============================================================
   Nexora Certified Seller Sprint — site.css
   Self-contained. Tokens replicate the real Nexora Aero brand
   but this file is NOT linked to the production stylesheet.
   Aesthetic: premium, sharp corners (radius 0), glass surfaces,
   JetBrains Mono uppercase eyebrows, Inter body, animated bg.
   ============================================================ */

:root{
  --nx-blue:#0754f8; --nx-blue-2:#3b7bff;
  --nx-green:#0169fe; --nx-pink:#3d8bff;
  --nx-orange:#0169fe; --nx-violet:#0169fe;
  --nx-ink:#080808; --nx-ink-2:#1a1a1f; --nx-muted:#5a5a5a;
  --nx-bg:#f6f6f6; --nx-glass:rgba(255,255,255,.55);
  --nx-radius:0px; --nx-radius-sm:2px;
  --font-sans:'Inter',Arial,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --nx-line:rgba(8,8,8,.10);
  --nx-shadow:0 1px 0 rgba(255,255,255,.6) inset, 0 18px 50px -28px rgba(8,8,8,.35);
  --nx-maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--font-sans); color:var(--nx-ink);
  background:var(--nx-bg); line-height:1.55; -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility; overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{line-height:1.08;letter-spacing:-.02em;font-weight:800;margin:0}

/* --- animated gradient mesh background --- */
.nx-bg{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.nx-bg::before{
  content:"";position:absolute;inset:-30%;
  background:
    radial-gradient(40% 40% at 18% 20%,rgba(7,84,248,.16),transparent 70%),
    radial-gradient(36% 36% at 82% 12%,rgba(1,105,254,.13),transparent 70%),
    radial-gradient(45% 45% at 70% 82%,rgba(8,200,66,.13),transparent 70%),
    radial-gradient(40% 40% at 25% 88%,rgba(255,138,42,.10),transparent 70%);
  animation:nxDrift 24s ease-in-out infinite alternate;
  filter:blur(8px);
}
@keyframes nxDrift{0%{transform:translate3d(-3%,-2%,0) scale(1.02)}100%{transform:translate3d(4%,3%,0) scale(1.08)}}
@media (prefers-reduced-motion:reduce){.nx-bg::before{animation:none}}

/* --- layout helpers --- */
.wrap{max-width:var(--nx-maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
.eyebrow{
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.16em;
  font-size:11px;font-weight:600;color:var(--nx-blue);margin:0 0 14px
}
.lede{font-size:clamp(15px,2vw,18px);color:var(--nx-muted);max-width:60ch}
.center{text-align:center}.center .lede{margin-inline:auto}
.muted{color:var(--nx-muted)}
.grid{display:grid;gap:20px}
.mono{font-family:var(--font-mono)}

/* --- buttons --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--nx-radius);border:1px solid transparent;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;
  text-transform:none;letter-spacing:-.01em
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--nx-ink);color:#fff}
.btn-primary:hover{box-shadow:0 12px 30px -12px rgba(8,8,8,.6)}
.btn-blue{background:var(--nx-blue);color:#fff}
.btn-blue:hover{background:var(--nx-blue-2);box-shadow:0 12px 30px -12px rgba(7,84,248,.7)}
.btn-ghost{background:transparent;color:var(--nx-ink);border-color:var(--nx-line)}
.btn-ghost:hover{border-color:var(--nx-ink);background:rgba(8,8,8,.03)}
.btn-lg{padding:17px 30px;font-size:15.5px}
.btn-block{display:flex;width:100%}
*:focus-visible{outline:2.5px solid var(--nx-blue);outline-offset:3px;border-radius:var(--nx-radius-sm)}

/* --- header --- */
.nx-head{
  position:sticky;top:0;z-index:50;
  background:rgba(246,246,246,.72);backdrop-filter:blur(18px) saturate(1.4);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--nx-line)
}
.nx-head .wrap{display:flex;align-items:center;gap:28px;height:64px}
.nx-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.02em}
.nx-logo .dot{width:11px;height:11px;background:var(--nx-green);box-shadow:0 0 0 3px rgba(8,200,66,.18);border-radius:50%}
.nx-logo small{font:600 10px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--nx-muted)}
.nx-nav{display:flex;gap:4px;margin-left:auto}
.nx-nav a{padding:8px 12px;font-size:14px;color:var(--nx-muted);font-weight:600;transition:color .15s}
.nx-nav a:hover,.nx-nav a[aria-current="page"]{color:var(--nx-ink)}
.nx-head .btn{padding:10px 18px}
.nx-burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nx-burger span{width:22px;height:2px;background:var(--nx-ink);display:block}

/* --- hero --- */
.hero{padding:88px 0 56px;position:relative}
.hero h1{font-size:clamp(34px,5.6vw,62px);max-width:16ch}
.hero .lede{font-size:clamp(16px,2.2vw,20px);margin:22px 0 0;max-width:54ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 0;align-items:center}
.hero-note{font:600 12px/1.5 var(--font-mono);color:var(--nx-muted);text-transform:uppercase;letter-spacing:.08em}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;
  background:var(--nx-glass);border:1px solid var(--nx-line);backdrop-filter:blur(10px);
  font:600 11.5px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--nx-ink-2);margin-bottom:22px
}
.pill .dot{width:7px;height:7px;background:var(--nx-green);border-radius:50%;animation:nxPulse 2s infinite}
@keyframes nxPulse{0%,100%{opacity:1}50%{opacity:.35}}

/* --- glass card --- */
.card{
  background:var(--nx-glass);border:1px solid var(--nx-line);
  backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);
  padding:28px;box-shadow:var(--nx-shadow);border-radius:var(--nx-radius)
}
.card h3{font-size:19px;margin:0 0 8px}
.card .ico{
  width:42px;height:42px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--nx-ink);color:#fff;font:700 18px var(--font-mono)
}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}

/* --- before/after red-to-green --- */
.ba{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;margin-top:40px}
.ba-arrow{font:700 13px var(--font-mono);color:var(--nx-muted);text-transform:uppercase;letter-spacing:.1em;writing-mode:vertical-rl;transform:rotate(180deg)}
.ba-card{padding:24px;border:1px solid var(--nx-line);background:#fff;border-radius:var(--nx-radius);position:relative;overflow:hidden}
.ba-card.before{border-color:rgba(220,38,38,.4)}
.ba-card.after{border-color:rgba(8,200,66,.5);box-shadow:0 0 0 1px rgba(8,200,66,.25),0 24px 60px -30px rgba(8,200,66,.4)}
.ba-tag{font:700 10.5px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;padding:4px 10px;display:inline-block;margin-bottom:14px}
.ba-tag.red{background:rgba(220,38,38,.1);color:#dc2626}
.ba-tag.green{background:rgba(8,200,66,.12);color:#06882a}
.ba-row{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;padding:6px 0;border-top:1px solid rgba(8,8,8,.05)}
.ba-row:first-of-type{border-top:0}
.ba-row .mk{flex:0 0 auto;width:17px;height:17px;display:grid;place-items:center;font:700 11px var(--font-mono);margin-top:2px}
.ba-row.bad .mk{background:rgba(220,38,38,.12);color:#dc2626}
.ba-row.ok .mk{background:rgba(8,200,66,.14);color:#06882a}
.ba-title{font-weight:700;font-size:14.5px;margin-bottom:6px}
.ba-code{font:500 11.5px/1.6 var(--font-mono);color:var(--nx-muted);background:rgba(8,8,8,.04);padding:10px 12px;margin:0 0 14px;white-space:pre-wrap;word-break:break-word}

/* certified badge */
.cert-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 13px;
  background:linear-gradient(135deg,var(--nx-blue),var(--nx-green));color:#fff;
  font:700 11px var(--font-mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px
}
.cert-badge svg{width:15px;height:15px}

/* --- trust strip --- */
.trust{border-block:1px solid var(--nx-line);background:rgba(255,255,255,.5);padding:30px 0}
.trust .wrap{display:flex;flex-wrap:wrap;gap:14px 36px;align-items:center;justify-content:center}
.trust span{font:600 12.5px var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--nx-muted);display:inline-flex;align-items:center;gap:9px}
.trust .dot{width:6px;height:6px;background:var(--nx-blue);border-radius:50%}

/* --- dark section --- */
.dark{background:var(--nx-ink);color:#f6f6f6}
.dark .eyebrow{color:var(--nx-blue-2)}
.dark .lede,.dark .muted{color:#a8a8b0}
.dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:#f6f6f6}
.dark .card .ico{background:#fff;color:var(--nx-ink)}
.dark .step{border-color:rgba(255,255,255,.12)}
.dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25)}
.dark .btn-ghost:hover{background:rgba(255,255,255,.06);border-color:#fff}

/* --- steps (how it works) --- */
.steps{counter-reset:s;display:grid;gap:0;margin-top:36px}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:24px;padding:28px 0;
  border-top:1px solid var(--nx-line);align-items:start
}
.step:last-child{border-bottom:1px solid var(--nx-line)}
.step .n{counter-increment:s;font:800 15px var(--font-mono);color:#fff;background:var(--nx-ink);width:44px;height:44px;display:grid;place-items:center}
.step .n::before{content:counter(s,decimal-leading-zero)}
.dark .step .n{background:var(--nx-blue)}
.step h3{font-size:21px;margin-bottom:6px}
.step .day{font:700 11px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--nx-blue);margin-bottom:8px}

/* --- pricing --- */
.price-grid{grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;align-items:stretch}
.tier{
  display:flex;flex-direction:column;padding:30px;border:1px solid var(--nx-line);
  background:#fff;border-radius:var(--nx-radius);position:relative
}
.tier.feat{border-color:var(--nx-ink);box-shadow:0 30px 70px -36px rgba(8,8,8,.5);transform:translateY(-6px)}
.tier .tname{font:700 12px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--nx-muted)}
.tier .amt{font-size:42px;font-weight:800;letter-spacing:-.03em;margin:14px 0 2px}
.tier .amt small{font-size:15px;font-weight:600;color:var(--nx-muted)}
.tier .was{font:600 14px var(--font-mono);color:var(--nx-muted);text-decoration:line-through;margin-bottom:6px}
.tier .sub{font-size:13.5px;color:var(--nx-muted);min-height:42px;margin-bottom:18px}
.tier ul{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:11px;flex:1}
.tier li{display:flex;gap:10px;font-size:14px;align-items:flex-start}
.tier li svg{flex:0 0 auto;width:17px;height:17px;margin-top:2px;color:var(--nx-green)}
.ribbon{position:absolute;top:0;right:0;background:var(--nx-ink);color:#fff;font:700 10px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;padding:6px 12px}

/* --- founding offer / scarcity --- */
.founding{
  background:linear-gradient(135deg,rgba(7,84,248,.06),rgba(8,200,66,.06));
  border:1px solid var(--nx-line);padding:40px;border-radius:var(--nx-radius);
  display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center
}
.scarcity{text-align:center;background:#fff;border:1px solid var(--nx-line);padding:28px}
.scarcity .big{font-size:58px;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--nx-ink)}
.scarcity .big small{font-size:22px;color:var(--nx-muted)}
.scarcity .bar{height:8px;background:rgba(8,8,8,.08);margin:18px 0 10px;overflow:hidden}
.scarcity .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--nx-blue),var(--nx-green));transition:width .8s}
.scarcity .lbl{font:600 11px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--nx-muted)}

/* --- FAQ accordion --- */
.faq{max-width:820px;margin:36px auto 0}
.faq details{border-top:1px solid var(--nx-line)}
.faq details:last-child{border-bottom:1px solid var(--nx-line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;font-weight:700;font-size:16.5px;
  position:relative;display:flex;align-items:center
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;font:400 26px var(--font-mono);color:var(--nx-muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 44px 24px 0;color:var(--nx-muted);font-size:15px;max-width:68ch}

/* --- forms / lead capture --- */
.field{display:grid;gap:7px;margin-bottom:16px;text-align:left}
.field label{font:600 12px var(--font-mono);text-transform:uppercase;letter-spacing:.07em;color:var(--nx-ink-2)}
.field input,.field select,.field textarea{
  padding:13px 15px;border:1px solid var(--nx-line);background:#fff;font-size:15px;font-family:inherit;
  border-radius:var(--nx-radius);color:var(--nx-ink);width:100%
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--nx-blue)}
.form-box{max-width:520px;background:#fff;border:1px solid var(--nx-line);padding:32px;box-shadow:var(--nx-shadow)}
.hint{font-size:12.5px;color:var(--nx-muted);margin-top:-6px}
.ok-msg{background:rgba(8,200,66,.08);border:1px solid rgba(8,200,66,.4);padding:18px;font-size:14.5px;color:#06882a;display:none}
.ok-msg.show{display:block}

/* --- scanner / preview tool --- */
.scanner{max-width:760px;margin:36px auto 0}
.scan-out{margin-top:22px;display:none}
.scan-out.show{display:block;animation:nxFade .5s}
.scan-score{display:flex;align-items:center;gap:20px;padding:22px;border:1px solid var(--nx-line);background:#fff;margin-bottom:18px}
.scan-ring{
  flex:0 0 auto;width:88px;height:88px;border-radius:50%;display:grid;place-items:center;
  font:800 24px var(--font-mono);background:conic-gradient(var(--nx-green) var(--p,0%),rgba(8,8,8,.08) 0)
}
.scan-ring span{width:66px;height:66px;background:#fff;border-radius:50%;display:grid;place-items:center;font-size:22px}
.scan-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid rgba(8,8,8,.06);font-size:14px}
.scan-item .mk{flex:0 0 auto;width:20px;height:20px;display:grid;place-items:center;font:700 11px var(--font-mono);margin-top:1px}
.scan-item.warn .mk{background:rgba(255,138,42,.16);color:#b35a00}
.scan-item.bad .mk{background:rgba(220,38,38,.12);color:#dc2626}
.scan-item.ok .mk{background:rgba(8,200,66,.14);color:#06882a}
@keyframes nxFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* --- checkout --- */
.co-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start;margin-top:40px}
.co-summary{background:#fff;border:1px solid var(--nx-line);padding:28px;box-shadow:var(--nx-shadow);position:sticky;top:88px}
.co-line{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-top:1px solid rgba(8,8,8,.06);font-size:14.5px}
.co-line:first-of-type{border-top:0}
.co-line.total{border-top:2px solid var(--nx-ink);margin-top:8px;padding-top:14px;font-weight:800;font-size:19px}
.co-line .sm{font-size:12px;color:var(--nx-muted)}
.pay-tabs{display:flex;gap:8px;margin:22px 0 20px;flex-wrap:wrap}
.pay-tabs button{padding:10px 16px;border:1px solid var(--nx-line);background:#fff;font:700 12px var(--font-mono);text-transform:uppercase;letter-spacing:.06em;cursor:pointer;border-radius:var(--nx-radius)}
.pay-tabs button.is-active{background:var(--nx-ink);color:#fff;border-color:var(--nx-ink)}
.pay-panel{display:none}
.pay-panel.is-active{display:block;animation:nxFade .35s}
.demo-badge{font:700 10px var(--font-mono);text-transform:uppercase;letter-spacing:.08em;background:#fff7d6;color:#5b4400;border:1px solid #f0d670;padding:4px 9px;display:inline-block;margin-bottom:14px}
.nx-pay-cta{display:flex;width:100%;align-items:center;justify-content:center;gap:8px;padding:15px;border:0;color:#fff;font-weight:700;font-size:15px;cursor:pointer;border-radius:var(--nx-radius)}
.gig-head{display:flex;gap:14px;align-items:center;margin-bottom:20px}
.gig-thumb{width:56px;height:56px;flex:0 0 auto;border-radius:var(--nx-radius)}

/* --- footer --- */
.nx-foot{background:var(--nx-ink);color:#a8a8b0;padding:64px 0 36px;margin-top:0}
.nx-foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.nx-foot h4{color:#fff;font:700 11px var(--font-mono);text-transform:uppercase;letter-spacing:.12em;margin:0 0 16px}
.nx-foot a{display:block;padding:5px 0;font-size:13.5px;color:#a8a8b0}
.nx-foot a:hover{color:#fff}
.nx-foot .brand{color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.nx-foot .brand .dot{width:10px;height:10px;background:var(--nx-green);border-radius:50%}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:24px;font-size:12.5px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-bottom .mono{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;font-size:11px}

/* --- scroll reveal --- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* --- utility spacing --- */
.mt-s{margin-top:14px}.mt-m{margin-top:28px}.mb-0{margin-bottom:0}
.section-head{max-width:640px;margin-bottom:8px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font:600 11px var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--nx-muted);border:1px solid var(--nx-line);padding:5px 10px}

/* --- responsive --- */
@media (max-width:900px){
  .nx-nav{display:none}.nx-burger{display:flex}
  .nx-head .btn{display:none}
  .nx-nav.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--nx-line);padding:12px 24px;gap:0}
  .nx-nav.open a{padding:13px 0;border-top:1px solid var(--nx-line);font-size:15px}
  .cols-3,.cols-2,.cols-4,.price-grid{grid-template-columns:1fr}
  .ba{grid-template-columns:1fr;gap:16px}
  .ba-arrow{writing-mode:horizontal-tb;transform:none;text-align:center}
  .founding{grid-template-columns:1fr;gap:24px}
  .co-grid{grid-template-columns:1fr}
  .co-summary{position:static;order:-1}
  .nx-foot .wrap{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .nx-foot .wrap{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .scan-score{flex-direction:column;text-align:center}
}