:root{
  --font-ui:system-ui,-apple-system,"Segoe UI Variable","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"Cascadia Mono",Consolas,monospace;
  --primary:#a46306;
  --primary-hover:#875000;
  --primary-text:#fffaf0;
  --success:#27751f;
  --warning:#a46306;
  --danger:#b4232b;
  --motion-overlay:#0d8490;
  color-scheme:light;
}
html[data-theme="day"]{
  --background:#f4f6f8;
  --surface:#fff;
  --surface-muted:#edf1f5;
  --border:#d5dde5;
  --border-strong:#b9c5d0;
  --text:#111820;
  --text-muted:#52606d;
  --shadow:0 12px 34px rgba(20,38,58,.08);
  color-scheme:light;
}
html[data-theme="night"]{
  --background:#0d1218;
  --surface:#151c24;
  --surface-muted:#1c2630;
  --border:#2b3744;
  --border-strong:#465565;
  --text:#e8eef4;
  --text-muted:#9cabb9;
  --shadow:0 16px 44px rgba(0,0,0,.3);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--background);color:var(--text);font:15px/1.6 var(--font-ui);
  -webkit-font-smoothing:antialiased}
a{color:inherit}
button,input{font:inherit}
button,a{touch-action:manipulation}
:focus-visible{outline:3px solid color-mix(in srgb,var(--motion-overlay) 55%,transparent);
  outline-offset:3px}
.shell{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--background) 88%,transparent);
  border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.site-nav{min-height:66px;display:flex;align-items:center;gap:28px}
.site-brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.site-brand svg{width:34px;height:24px}
.site-brand strong{display:block;line-height:1.1;font-size:15px}
.site-brand small{display:block;color:var(--text-muted);font:9px/1.4 var(--font-mono);
  letter-spacing:.12em;text-transform:uppercase}
.site-links{display:flex;gap:25px;align-items:center}
.site-links a{text-decoration:none;color:var(--text-muted);font-size:14px}
.site-links a:hover,.site-links a[aria-current="page"]{color:var(--text)}
.site-actions{display:flex;align-items:center;gap:8px}
.icon-button,.menu-button{width:38px;height:38px;border:1px solid var(--border);
  border-radius:5px;background:var(--surface);color:var(--text);cursor:pointer}
.menu-button{display:none}
.button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;gap:7px;
  border:1px solid var(--border);border-radius:5px;padding:9px 15px;background:var(--surface);
  color:var(--text);font-weight:650;text-decoration:none;cursor:pointer}
.button:hover{border-color:var(--border-strong);background:var(--surface-muted)}
.button.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-text)}
.button.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.button.wide{width:100%}
.page-main{min-height:calc(100vh - 134px);padding:64px 0}
.page-head{max-width:750px;margin-bottom:34px}
.eyebrow{margin:0 0 12px;color:var(--primary);font:700 11px/1.4 var(--font-mono);
  letter-spacing:.13em;text-transform:uppercase}
h1,h2,h3{line-height:1.16;letter-spacing:-.025em}
h1{font-size:clamp(34px,5vw,58px);margin:0 0 18px}
h2{font-size:clamp(25px,3.4vw,38px);margin:0 0 14px}
h3{font-size:17px;margin:0 0 8px}
.lede{font-size:18px;color:var(--text-muted);max-width:700px;margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:7px;padding:24px;
  box-shadow:var(--shadow)}
.card p{color:var(--text-muted);margin:0}
.auth-wrap{display:grid;grid-template-columns:minmax(0,490px) minmax(280px,1fr);gap:70px;
  align-items:start;max-width:980px}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;
  padding:28px;box-shadow:var(--shadow)}
.auth-card h1{font-size:30px;margin-bottom:8px}
.auth-card .intro{color:var(--text-muted);margin:0 0 22px}
.form{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-weight:650;font-size:13px}
.field input{width:100%;min-height:44px;border:1px solid var(--border-strong);
  background:var(--background);color:var(--text);border-radius:5px;padding:9px 11px}
.field input[aria-invalid="true"]{border-color:var(--danger)}
.check{display:flex;align-items:flex-start;gap:9px;color:var(--text-muted);font-size:13px}
.check input{margin-top:5px}
.form-message{border-left:3px solid var(--motion-overlay);background:var(--surface-muted);
  padding:10px 12px;color:var(--text-muted);font-size:13px}
.form-message.error{border-color:var(--danger);color:var(--danger)}
.form-message.success{border-color:var(--success);color:var(--success)}
.divider{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:12px;margin:16px 0}
.divider::before,.divider::after{content:"";height:1px;background:var(--border);flex:1}
.quiet{color:var(--text-muted);font-size:13px}
.auth-side{padding-top:24px}
.privacy-note{border:1px solid var(--border);background:var(--surface-muted);border-radius:6px;
  padding:16px;color:var(--text-muted)}
.privacy-note strong{display:block;color:var(--text);margin-bottom:3px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.plan{display:flex;flex-direction:column}
.plan.featured{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),var(--shadow)}
.plan-tag{color:var(--primary);font:700 10px/1.4 var(--font-mono);letter-spacing:.1em;
  text-transform:uppercase}
.price{font-size:39px;font-weight:750;letter-spacing:-.04em;margin:12px 0 2px}
.price small{font-size:14px;color:var(--text-muted);font-weight:500}
.plan ul{padding-left:18px;margin:18px 0 24px;color:var(--text-muted)}
.plan .button{margin-top:auto}
.faq{max-width:820px;margin-top:52px}
details{border-top:1px solid var(--border);padding:16px 0}
details:last-child{border-bottom:1px solid var(--border)}
summary{font-weight:700;cursor:pointer}
details p{color:var(--text-muted);margin:9px 0 0}
.article{max-width:820px}
.article h2{font-size:25px;margin-top:38px}
.article p,.article li{color:var(--text-muted)}
.article li+li{margin-top:7px}
.help-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.help-item{border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:19px}
.help-item p{margin:4px 0 0;color:var(--text-muted)}
.site-footer{border-top:1px solid var(--border);padding:25px 0;color:var(--text-muted);font-size:13px}
.footer-in{display:flex;gap:18px;flex-wrap:wrap}
.footer-in span{margin-left:auto}
@media(max-width:820px){
  .site-nav{flex-wrap:wrap;padding:11px 0}
  .menu-button{display:block}
  .site-links{display:none;order:5;width:100%;padding:10px 0 3px;flex-direction:column;align-items:stretch}
  .site-links.open{display:flex}
  .site-links a{padding:9px 0}
  .site-actions .signin{display:none}
  .auth-wrap{grid-template-columns:1fr;gap:24px}.auth-side{padding:0}
  .grid,.pricing-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .shell{width:min(100% - 24px,1120px)}
  .page-main{padding:38px 0}
  .auth-card,.card{padding:20px}
  .site-brand small{display:none}
  .site-actions .button.primary{display:none}
  .help-list{grid-template-columns:1fr}
  .footer-in span{margin-left:0;width:100%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}