/* CHARGE — neutral surfaces, precise typography, one electric accent. */
:root {
  --ink: #171719;
  --muted: #6e6e73;
  --subtle: #96969b;
  --page: #f5f5f7;
  --paper: #ffffff;
  --line: #e7e7eb;
  --accent: #b7f500;
  --acid: var(--accent);
  --radius: 28px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --display: var(--font);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: default; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible, summary:focus-visible { outline: 3px solid #577600; outline-offset: 5px; }
::selection { background: var(--accent); color: #111; }
[hidden] { display: none !important; }
.wrap { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -80px; left: 20px; padding: 12px 20px; border-radius: 8px; background: var(--accent); z-index: 99; }
.skip-link:focus { top: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 13px 23px; gap: 22px; border: 1px solid transparent; border-radius: 99px; font-size: 14px; font-weight: 500; line-height: 1.3; white-space: nowrap; transition: background .18s, box-shadow .18s; }
.button-dark { background: #171719; color: white; }
.button-dark:hover { background: #353537; box-shadow: 0 4px 12px #0000000c; }
.button-small { min-height: 40px; padding: 10px 18px; gap: 17px; font-size: 13px; }
.label, .section-index { font-size: 12px; font-weight: 500; letter-spacing: .075em; color: var(--muted); }
.section-topline { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section-topline h2 { margin: 12px 0 0; font-size: 46px; font-weight: 600; letter-spacing: -.045em; line-height: 1.08; }
.status-light { display: inline-block; flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; background: #6f9700; }
.sample-badge, .section-state { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); white-space: nowrap; }
.sample-badge { border: 1px solid var(--line); background: #f7f7f8; border-radius: 99px; padding: 6px 10px; }
.section-state>span { width: 5px; height: 5px; background: #939398; border-radius: 50%; }
.how-section { padding: 96px 32px 28px; }
.how-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; gap: 60px; margin-top: 36px; }
.core-figure { margin: 0; min-height: 490px; position: relative; overflow: hidden; isolation: isolate; border-radius: var(--radius); background: #101112; }
.core-figure img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.core-figure::after { position: absolute; inset: 0; content: ''; background: linear-gradient(180deg, transparent 35%, #070809b3 100%); z-index: -1; }
.core-figure figcaption { position: absolute; left: 34px; right: 34px; bottom: 31px; color: #fff; }
.core-figure figcaption>span { color: #c5c5c7; font-size: 12px; letter-spacing: .08em; }
.core-figure figcaption>strong { display: block; font-size: 72px; line-height: 1.1; letter-spacing: -.05em; font-weight: 500; margin-top: 8px; }
.steps-grid { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; justify-content: center; }
.step { display: grid; grid-template-columns: 34px 1fr; gap: 18px; padding: 25px 0; border-bottom: 1px solid #dedee2; }
.step:first-child { padding-top: 8px; }
.step:last-child { border: 0; padding-bottom: 8px; }
.step-index { display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid #dbdbdf; border-radius: 50%; color: #838388; font-size: 12px; margin-top: 2px; }
.step h3 { margin: 0 0 9px; font-size: 23px; font-weight: 550; letter-spacing: -.025em; line-height: 1.3; }
.step p { font-size: 16px; color: var(--muted); line-height: 1.6; margin: 0; max-width: 385px; }
.site-disclosure { margin: 30px 20px 42px; text-align: center; color: #6e6e73; font-size: 12px; line-height: 1.6; }
.site-footer { display: flex; align-items: center; gap: 24px; padding: 28px 0 40px; border-top: 1px solid #dddde2; }
.site-footer .wordmark { font-size: 19px; }
.site-footer .brand-mark { width: 17px; height: 24px; }
.site-footer p, .footer-demo { font-size: 12px; color: var(--muted); margin: 0; }
.footer-demo { margin-left: auto; }
dialog { width: min(470px, calc(100% - 32px)); padding: 40px; border: 1px solid #e5e5e9; border-radius: 26px; background: #fff; color: var(--ink); box-shadow: 0 32px 110px #00000026; }
dialog::backdrop { background: #11111559; backdrop-filter: blur(8px); }
.dialog-close { position: absolute; top: 15px; right: 15px; width: 33px; height: 33px; border: 0; border-radius: 50%; background: #f0f0f2; color: #6e6e73; font-size: 23px; line-height: 1; font-weight: 300; }
.dialog-close:hover { background: #e5e5e9; }
.dialog-bolt { display: grid; place-items: center; width: 60px; height: 60px; margin-bottom: 26px; background: var(--accent); color: #181818; border-radius: 50%; }
.dialog-bolt svg { display: block; width: 36px; height: 36px; fill: currentColor; }
dialog h2 { font-size: 34px; font-weight: 550; line-height: 1.13; letter-spacing: -.04em; margin: 15px 0 19px; }
dialog p { color: var(--muted); font-size: 16px; line-height: 1.6; }
.dialog-note { margin: 24px 0; font-size: 14px; color: var(--muted); }
.dialog-done { width: 100%; }
.receipt-rows { margin-top: 25px; border-top: 1px solid var(--line); }
.receipt-rows>div { display: flex; justify-content: space-between; gap: 22px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.receipt-rows dt { color: var(--muted); }
.receipt-rows dd { margin: 0; max-width: 60%; text-align: right; font-variant-numeric: tabular-nums; }
.receipt-rows>div.receipt-selected { background: #f3f7e5; border: 0; border-radius: 8px; margin-inline: -12px; padding-inline: 12px; }
.noscript-notice { padding: 18px; background: #ececf0; text-align: center; font-size: 14px; }
@media (max-width: 1100px) {
  .how-layout { gap: 36px; }
  .how-section { padding-inline: 24px; }
}
@media (max-width: 850px) {
  .how-layout { gap: 26px; }
  .core-figure { min-height: 535px; }
  .step h3 { font-size: 21px; }
  .section-topline h2 { font-size: 40px; }
}
@media (max-width: 620px) {
  .how-section { padding: 66px 10px 0; }
  .section-topline h2 { font-size: 35px; }
  .how-layout { grid-template-columns: 1fr; gap: 28px; margin-top: 27px; }
  .core-figure { min-height: 325px; border-radius: 23px; }
  .core-figure figcaption { left: 27px; bottom: 24px; }
  .core-figure figcaption>strong { font-size: 61px; }
  .step { gap: 15px; padding-block: 22px; }
  .step h3 { font-size: 22px; }
  .step p { font-size: 16px; }
  .site-disclosure { text-align: left; margin: 25px 10px 32px; }
  .site-footer { gap: 16px; flex-wrap: wrap; padding-inline: 10px; }
  .footer-demo { margin-left: 0; flex-basis: 100%; }
  dialog { padding: 36px 26px 28px; }
  dialog h2 { font-size: 30px; }
  .receipt-rows>div { font-size: 13px; gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}