:root {
  --px-ink: #ffffff;
  --px-muted: rgba(255,255,255,.62);
  --px-blue: #3084f2;
  --px-blue-deep: #69b4ff;
  --px-blue-soft: rgba(48,132,242,.14);
  --px-sky: rgba(48,132,242,.25);
  --px-teal: #22c55e;
  --px-teal-soft: rgba(34,197,94,.14);
  --px-gold: #3084f2;
  --px-paper: #000;
  --px-card: rgba(255,255,255,.035);
  --px-line: rgba(255,255,255,.1);
  --px-danger: #ef4444;
  --px-danger-soft: rgba(239,68,68,.12);
  --px-shadow: none;
  --px-radius: 20px;
  --px-field: rgba(255,255,255,.06);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  overflow-x: clip;
  margin: 0;
  background: var(--px-paper);
  color: var(--px-ink);
  font: 15px/1.55 'Inter', 'Nunito', sans-serif;
  min-height: 100dvh;
}
button, input, textarea, select { font: inherit; }
a { color: var(--px-blue); text-underline-offset: 3px; }
a:hover { color: var(--px-blue-deep); }
:focus-visible { outline: 3px solid #69b4ff; outline-offset: 3px; }
.px-shell { min-height: 100dvh; display: flex; flex-direction: column; }
.px-topbar {
  height: 76px; display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 0 clamp(20px, 5vw, 76px); background: #000;
  border-bottom: 1px solid var(--px-line); position: relative; z-index: 2;
}
.px-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--px-ink); text-decoration: none; }
.px-mark {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  background: linear-gradient(135deg, #3084F2 0%, #1675F2 100%); border-radius: 12px;
  letter-spacing: -.08em; 
}
.px-brand-name { font: 600 20px 'Inter', sans-serif; letter-spacing: -.01em; color:#fff; }

.px-brand-caption { display: block; color: var(--px-muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.px-nav { display: flex; align-items: center; gap: 24px; }
.px-nav a { text-decoration: none; color: var(--px-muted); font-weight: 600; font-size: 13px; }
.px-nav a { white-space:nowrap; flex-shrink:0; }
.px-nav a:hover, .px-nav a.is-current { color: var(--px-blue-deep); }
.px-nav-actions { display: flex; align-items: center; gap: 12px; }
.px-main { width: min(1024px, calc(100% - 44px)); margin: 0 auto; flex: 1; padding: 42px 0 72px; }
.px-main-wide { width: min(1024px, calc(100% - 44px)); }
.px-footer { padding: 24px clamp(20px, 5vw, 76px); display:flex; justify-content:space-between; gap: 16px; color: var(--px-muted); font-size: 12px; border-top: 1px solid var(--px-line); background: #000; }
.px-footer a { color: inherit; }
.px-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 43px; padding: 10px 22px; border: 1px solid transparent; border-radius: 50px;
  background: #fff; color: #111; text-decoration: none; cursor: pointer;
  font-weight: 700; font-size: 13px; transition: transform .18s ease, background .18s ease, opacity .18s ease;
}
.px-button:hover { transform: translateY(-1px); background: #e8e8e8; color:#000; }
.px-button:disabled { cursor: not-allowed; opacity: .55; transform:none; }
.px-button-secondary { color: #fff; border-color: transparent; background: #333; }
.px-button-secondary:hover { background: #4a4a4a; color: #fff; }
.px-button-quiet { color: #fff; border-color: rgba(255,255,255,.2); background: transparent; }
.px-button-quiet:hover { background: rgba(255,255,255,.08); color:#fff; }
.px-button-danger { background: var(--px-danger); color:#fff; }
.px-button-small { min-height: 34px; padding: 7px 11px; font-size: 12px; }
.px-kicker { display: flex; align-items: center; gap: 9px; margin: 0 0 13px; color: var(--px-blue); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.px-kicker::before { content:''; width: 20px; height: 2px; background: var(--px-gold); }
h1,h2,h3,h4 { font-family: 'Inter', 'Poppins', sans-serif; line-height: 1.14; letter-spacing: -.02em; }
h1 { font-size: clamp(35px, 6vw, 64px); margin: 0 0 20px; }
h2 { font-size: clamp(26px, 3vw, 38px); margin: 0 0 13px; }
h3 { font-size: 18px; margin: 0 0 10px; }
p { margin-top: 0; }
.px-lead { max-width: 660px; color: var(--px-muted); font-size: clamp(16px, 2vw, 19px); line-height: 1.7; }
.px-section { padding: 86px 0; }
.px-section-tint { background: #050505; }
.px-page-heading { display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:30px; }
.px-page-heading p { color:var(--px-muted); margin:0; }
.px-card { background: var(--px-card); border: 1px solid var(--px-line); border-radius: var(--px-radius); box-shadow: var(--px-shadow); }
.px-card-pad { padding: clamp(20px, 3vw, 30px); }
.px-grid { display:grid; gap:18px; }
.px-grid-2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.px-grid-3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.px-grid-4 { grid-template-columns: repeat(4,minmax(0,1fr)); }
.px-stat { padding:22px; background: var(--px-card); border:1px solid var(--px-line); border-radius:15px; }
.px-stat-label { display:block; color:var(--px-muted); font-size:12px; font-weight:600; margin-bottom:11px; }
.px-stat-value { display:block; font:800 29px 'Inter',sans-serif; letter-spacing:-.02em; color:var(--px-ink); }
.px-stat-note { color:var(--px-muted); font-size:11px; margin-top:5px; }
.px-table-wrap { overflow:auto; border:1px solid var(--px-line); border-radius:14px; background:var(--px-card); }
.px-table { border-collapse:collapse; width:100%; min-width:690px; font-size:13px; text-align:left; }
.px-table th { color:var(--px-muted); background:rgba(255,255,255,.04); font-size:10px; text-transform:uppercase; letter-spacing:.1em; font-weight:800; }
.px-table th,.px-table td { padding:14px 16px; border-bottom:1px solid var(--px-line); vertical-align:middle; }
.px-table tbody tr:last-child td { border-bottom:0; }
.px-table td { color:var(--px-ink); }
.px-money { white-space:nowrap; font-weight:700; font-variant-numeric:tabular-nums; }
.px-muted { color:var(--px-muted) !important; }
.px-status { display:inline-flex; align-items:center; gap:7px; border-radius:99px; padding:5px 10px; background:var(--px-blue-soft); color:var(--px-blue-deep); font-size:11px; font-weight:700; white-space:nowrap; }
.px-status::before { content:''; width:6px; height:6px; border-radius:50%; background:currentColor; }
.px-status-approved,.px-status-paid,.px-status-active,.px-status-converted { color:#4ade80; background:var(--px-teal-soft); }
.px-status-pending,.px-status-registered { color:#fbbf24; background:rgba(245,166,35,.14); }
.px-status-suspended,.px-status-rejected { color:var(--px-danger); background:var(--px-danger-soft); }
.px-empty { padding:30px; color:var(--px-muted); text-align:center; border:1px dashed rgba(255,255,255,.18); border-radius:14px; background:rgba(255,255,255,.02); }
.px-empty strong { display:block; color:var(--px-ink); margin-bottom:5px; }
.px-alert { padding:13px 16px; border-radius:12px; border:1px solid var(--px-line); background:rgba(255,255,255,.05); color:var(--px-ink); margin:0 0 12px; }
.px-alert-success { background:rgba(34,197,94,.12); border-color:rgba(34,197,94,.3); color:#86efac; }
.px-alert-error { background:var(--px-danger-soft); border-color:rgba(239,68,68,.35); color:#fca5a5; }
.px-flashes { margin-bottom:18px; }
.px-form { display:grid; gap:17px; }
.px-field { display:grid; gap:7px; }
.px-field label,.px-label { color:var(--px-ink); font-size:12px; font-weight:700; }
.px-field input,.px-field select,.px-field textarea {
  width:100%; min-height:46px; padding:11px 13px; background:var(--px-field); color:var(--px-ink);
  border:1px solid rgba(255,255,255,.15); border-radius:12px; outline:none; transition:border-color .18s, box-shadow .18s;
}
.px-field textarea { min-height:110px; resize:vertical; }
.px-field input:focus,.px-field select:focus,.px-field textarea:focus { border-color:var(--px-blue); box-shadow:0 0 0 3px rgba(48,132,242,.25); }
.px-help { color:var(--px-muted); font-size:11px; }
.px-check { display:flex; align-items:flex-start; gap:10px; color:var(--px-muted); font-size:12px; }
.px-check input { margin-top:4px; accent-color:var(--px-blue); }
.px-inline-form { display:inline-flex; align-items:center; gap:8px; }
.px-form-actions { display:flex; gap:10px; flex-wrap:wrap; }
.px-code { font:600 12px ui-monospace, SFMono-Regular, Consolas, monospace; color:var(--px-blue-deep); background:rgba(255,255,255,.07); padding:6px 9px; border-radius:7px; }
.px-link-copy { display:flex; align-items:center; gap:8px; padding:8px; background:rgba(255,255,255,.04); border:1px solid var(--px-line); border-radius:11px; }
.px-link-copy input { flex:1; min-width:0; border:0; outline:0; background:transparent; color:var(--px-ink); font:12px ui-monospace,monospace; }
.px-notice { background:rgba(48,132,242,.08); border-left:3px solid var(--px-blue); border-radius:0 12px 12px 0; padding:18px 20px; color:var(--px-muted); font-size:13px; }
.px-hero { position:relative; overflow:hidden; width:100vw; margin:-42px 0 0 calc(50% - 50vw); padding: clamp(62px, 10vw, 120px) 0 90px; background:linear-gradient(-45deg,#000,#001a24,#003040,#000); }
.px-hero::after { content:''; position:absolute; width:570px; height:570px; border:1px solid rgba(48,132,242,.2); border-radius:50%; right:-150px; top:-160px; box-shadow:0 0 0 45px rgba(48,132,242,.05),0 0 0 100px rgba(48,132,242,.03); pointer-events:none; }
.px-hero-inner { width:min(1024px, calc(100% - 44px)); margin:0 auto; position:relative; z-index:1; display:grid; grid-template-columns:1.2fr .8fr; align-items:center; gap:60px; }
.px-hero h1 { max-width:760px; }
.px-hero h1 em { font-style:normal; background:linear-gradient(135deg,#3084F2,#69b4ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.px-hero-visual { padding:27px; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:24px; backdrop-filter:blur(8px); }
.px-visual-head { display:flex; justify-content:space-between; align-items:center; border-bottom:1px solid var(--px-line); padding-bottom:17px; margin-bottom:18px; }
.px-visual-lines { display:grid; gap:10px; }
.px-visual-line { display:flex; justify-content:space-between; gap:15px; padding:12px; border-radius:10px; background:rgba(255,255,255,.05); font-size:12px; }
.px-visual-line strong { font-size:12px; }
.px-visual-mark { width:70px; height:70px; display:grid; place-items:center; margin:20px auto 0; border-radius:18px; color:white; background:#3084f2; font:700 22px 'Inter'; }
.px-rule { display:grid; grid-template-columns:100px 1fr; gap:24px; padding:22px 0; border-bottom:1px solid var(--px-line); }
.px-rule:last-child { border-bottom:0; }
.px-rule strong { color:var(--px-blue-deep); font:800 24px 'Inter'; }
.px-rule p { color:var(--px-muted); margin:0; }
.px-auth { min-height:calc(100dvh - 145px); display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:clamp(28px,7vw,90px); }
.px-auth-aside { padding:40px 0; }
.px-auth-aside h1 { font-size:clamp(32px,4.5vw,54px); }
.px-auth-card { padding:clamp(24px,4vw,40px); }
.px-admin-layout { display:grid; grid-template-columns:220px minmax(0,1fr); gap:30px; }
.px-admin-nav { align-self:start; position:sticky; top:24px; padding:20px; }
.px-admin-nav a { display:block; padding:10px 12px; border-radius:9px; color:var(--px-muted); text-decoration:none; font-size:12px; font-weight:700; }
.px-admin-nav a:hover { color:var(--px-blue); background:var(--px-blue-soft); }
.px-admin-content { min-width:0; }
.px-stack { display:grid; gap:22px; }
.px-split { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.px-tagline { font-size:11px; color:var(--px-muted); }
.px-mobile-menu { display:none; }
@media(max-width:850px) {
  .px-nav { gap:14px; }
  .px-grid-4 { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .px-hero-inner { grid-template-columns:1fr; gap:35px; }
  .px-hero-visual { max-width:540px; }
  .px-admin-layout { grid-template-columns:1fr; }
  .px-admin-nav { position:static; display:flex; flex-wrap:wrap; gap:4px; }
  .px-auth { grid-template-columns:1fr; max-width:560px; margin:auto; gap:0; }
  .px-auth-aside { padding:15px 0 22px; }
}
@media(max-width:620px) {
  .px-topbar { height:auto; min-height:68px; padding:14px 18px; flex-wrap:wrap; }
  .px-nav { order:3; width:100%; overflow:auto; padding:4px 0 2px; }
  .px-nav-actions { margin-left:auto; }
  .px-main,.px-main-wide { width:calc(100% - 32px); padding-top:28px; }
  .px-grid-2,.px-grid-3,.px-split { grid-template-columns:1fr; }
  .px-grid-4 { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
  .px-stat { padding:16px; }
  .px-stat-value { font-size:24px; }
  .px-page-heading { align-items:flex-start; flex-direction:column; }
  .px-footer { flex-direction:column; }
  .px-section { padding:60px 0; }
  .px-rule { grid-template-columns:75px 1fr; gap:12px; }
  .px-link-copy { align-items:stretch; flex-direction:column; }
  .px-link-copy input { min-height:34px; }
  .px-hero::after { width:360px; height:360px; right:-240px; }
  .px-admin-nav { padding:12px; }
  .px-admin-nav a { padding:8px; }
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior:auto !important; transition:none !important; }
}.px-form input,.px-form select,.px-form textarea,.px-table input { background: var(--px-field); color: var(--px-ink); border: 1px solid rgba(255,255,255,.15); border-radius: 12px; }
::placeholder { color: rgba(255,255,255,.4); }
.px-field select { color-scheme:dark; }
.px-field select option,
.px-field select optgroup { background-color:#111; color:#fff; }
.px-field select optgroup { color:#7db6ff; font-weight:700; }

.px-hero-figure { font-size:clamp(64px,9vw,96px); font-weight:700; letter-spacing:-.04em; line-height:1; margin-bottom:10px; background:linear-gradient(135deg,#3084F2,#69b4ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.px-audience h2 { max-width:720px; }
@media(max-width:850px){ .px-hero{ padding-top:56px; } }
.px-calc-line { display:flex; justify-content:space-between; gap:16px; padding:14px 0; border-bottom:1px solid var(--px-line); }
.px-calc-line strong { font-variant-numeric:tabular-nums; }
.px-calc-total { display:flex; justify-content:space-between; align-items:baseline; gap:16px; padding:20px 0 0; }
.px-calc-total strong { font-size:clamp(30px,4vw,44px); letter-spacing:-.02em; background:linear-gradient(135deg,#3084F2,#69b4ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; font-variant-numeric:tabular-nums; }
.px-field input[type=range] { padding:0; min-height:auto; accent-color:#3084f2; }
.px-field input[readonly] { opacity:.8; }

.px-pagehead { max-width:760px; padding:18px 0 34px; }
.px-pagehead h1 { font-size:clamp(34px,5vw,54px); margin-bottom:14px; }
.px-card { height:100%; }
.px-card-pad h3 { margin-top:0; }
.px-step-num { display:grid; place-items:center; width:42px; height:42px; margin-bottom:16px; border-radius:12px; background:var(--px-blue-soft); color:var(--px-blue-deep); font:700 15px 'Inter',sans-serif; }
.px-linkcard { display:flex; flex-direction:column; text-decoration:none; color:var(--px-ink); transition:border-color .18s, transform .18s; }
.px-linkcard:hover { border-color:rgba(48,132,242,.55); transform:translateY(-2px); color:var(--px-ink); }
.px-linkcard p:not(.px-kicker) { flex:1; }
.px-more { color:var(--px-blue-deep); font-weight:700; font-size:13px; margin-top:6px; }
.px-nav a.is-current { color:#fff; }
.px-portal-header h1 { font-size:clamp(30px,4vw,44px); }
.px-portal-header p { max-width:700px; }
.px-balance-list { margin:18px 0 0; }
.px-balance-list div { display:flex; justify-content:space-between; align-items:baseline; gap:16px; padding:14px 0; border-bottom:1px solid var(--px-line); flex-wrap:wrap; }
.px-balance-list div:last-child { border-bottom:0; padding-bottom:0; }
.px-balance-list dt { color:var(--px-muted); font-size:13px; }
.px-balance-list dd { margin:0; font-size:22px; font-weight:700; }
.px-materials-copy p { white-space:pre-line; overflow-wrap:anywhere; }
.px-brief-overview { margin-top:24px; }
.px-brief-overview h3 { margin-bottom:8px; }
.px-brief-example { margin:16px 0; padding:18px 20px; background:var(--px-blue-soft); border-left:3px solid var(--px-blue); border-radius:0 12px 12px 0; }
.px-brief-chapters { display:grid; gap:12px; }
.px-brief-chapter { background:var(--px-card); border:1px solid var(--px-line); border-radius:16px; }
.px-brief-chapter summary { display:flex; align-items:center; gap:14px; padding:20px; cursor:pointer; list-style:none; }
.px-brief-chapter summary::-webkit-details-marker { display:none; }
.px-brief-chapter summary::after { content:'+'; margin-left:auto; color:var(--px-blue-deep); font-size:24px; flex-shrink:0; }
.px-brief-chapter[open] summary::after { content:'−'; }
.px-brief-chapter summary strong { display:block; font-size:15px; }
.px-brief-chapter summary small { display:block; color:var(--px-muted); margin-top:4px; font-size:12px; }
.px-brief-chapter summary:hover { background:rgba(255,255,255,.025); border-radius:16px; }
.px-brief-number { color:var(--px-blue-deep); background:var(--px-blue-soft); border-radius:10px; padding:8px 10px; font-size:12px; font-weight:700; flex-shrink:0; }
.px-brief-body { padding:4px clamp(18px,3vw,26px) 24px; border-top:1px solid var(--px-line); overflow-wrap:anywhere; }
.px-brief-body h3 { margin:24px 0 8px; font-size:18px; }
.px-brief-body p,.px-brief-body li { color:var(--px-muted); }
.px-brief-body strong { color:var(--px-ink); }
.px-brief-body ul,.px-brief-body ol { padding-left:22px; }
.px-brief-body li + li { margin-top:9px; }
.px-brief-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 28px; }
@media(max-width:620px) {
  .px-brief-grid { grid-template-columns:1fr; }
  .px-brief-chapter summary { padding:16px; gap:10px; }
  .px-brief-example { padding:16px; }
}
@media(min-width:621px) and (max-width:1100px) {
  .px-topbar { height:auto; min-height:76px; padding:16px 22px; flex-wrap:wrap; }
  .px-nav { order:3; width:100%; overflow:auto; padding:4px 0; }
  .px-nav-actions { margin-left:auto; }
}
.px-section + .px-section { padding-top:20px; }