:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #ffffff;
  --ink: #14201d;
  --muted: #63706c;
  --line: #dfe6e3;
  --accent: #0f6b53;
  --accent-2: #e4f4ee;
  --danger: #8f2f2f;
  --shadow: 0 18px 60px rgba(20, 32, 29, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: inherit; }
button, input, select { font: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { width: min(1120px, calc(100% - 40px)); margin: 20px auto 0; min-height: 64px; padding: 0 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.9); display:flex; align-items:center; justify-content:space-between; position: sticky; top: 12px; z-index: 20; backdrop-filter: blur(16px); }
.brand { display:flex; align-items:center; gap:10px; text-decoration:none; font-weight:750; letter-spacing:-.02em; }
.brand-mark { width:32px; height:32px; display:grid; place-items:center; border-radius:9px; background:var(--ink); color:white; }
nav { display:flex; gap:22px; }
nav a { text-decoration:none; color:var(--muted); font-size:14px; font-weight:650; }
nav a:hover { color:var(--ink); }
.hero { padding: 112px 0 82px; }
.eyebrow { color: var(--accent); font-size: 12px; text-transform: uppercase; font-weight: 800; letter-spacing: .13em; margin-bottom: 14px; }
h1, h2, h3 { letter-spacing: -.035em; margin:0; }
h1 { font-size: clamp(48px, 8vw, 88px); line-height: .96; max-width: 900px; }
h2 { font-size: clamp(34px, 5vw, 54px); line-height: 1.02; }
h3 { font-size: 25px; line-height: 1.1; }
p { line-height:1.65; }
.hero-copy { max-width: 760px; margin: 26px 0 30px; color: var(--muted); font-size: 19px; }
.hero-actions { display:flex; gap:12px; flex-wrap:wrap; }
.button { min-height:46px; padding: 0 18px; border-radius: 12px; border:1px solid transparent; display:inline-flex; align-items:center; justify-content:center; text-decoration:none; font-weight:750; cursor:pointer; }
.button.primary { background:var(--ink); color:#fff; }
.button.primary:hover { background:#263631; }
.button.ghost { background:transparent; border-color:var(--line); color:var(--ink); }
.button:disabled { opacity:.45; cursor:not-allowed; }
.trust-row { margin-top:48px; display:flex; gap:12px; flex-wrap:wrap; }
.trust-row span { padding:9px 12px; border:1px solid var(--line); border-radius:999px; background:rgba(255,255,255,.65); color:var(--muted); font-size:13px; }
.section { padding: 74px 0; }
.section-heading { display:flex; justify-content:space-between; align-items:end; gap:40px; margin-bottom:32px; }
.section-heading > p { width:min(430px,100%); color:var(--muted); margin:0; }
.product-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:18px; }
.product-card { display:flex; flex-direction:column; min-height:420px; padding:28px; background:var(--panel); border:1px solid var(--line); border-radius:20px; box-shadow: var(--shadow); }
.product-card:last-child { grid-column: 1 / -1; min-height:auto; background:var(--ink); color:#fff; }
.product-card:last-child .tagline, .product-card:last-child .includes { color:#cad4d0; }
.product-card:last-child .button.primary { background:#fff; color:var(--ink); }
.product-topline { display:flex; justify-content:space-between; align-items:center; margin-bottom:28px; }
.product-kind { font-size:12px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; color:var(--accent); }
.product-card:last-child .product-kind { color:#9ce0c9; }
.price { font-weight:800; }
.tagline { color:var(--muted); margin:14px 0 18px; }
.includes { padding-left:18px; color:#45524e; margin:0 0 28px; display:grid; gap:9px; }
.product-card .buy-button { margin-top:auto; align-self:flex-start; }
.evidence-section { border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.evidence-grid, .principle-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.evidence-grid article, .principle-grid article { padding:24px; border:1px solid var(--line); border-radius:16px; background:rgba(255,255,255,.5); }
.evidence-grid p, .principle-grid p { color:var(--muted); margin-bottom:0; }
.split { display:grid; grid-template-columns:.8fr 1.2fr; gap:70px; }
.steps { list-style:none; margin:0; padding:0; display:grid; gap:12px; }
.steps li { display:grid; grid-template-columns:42px 1fr; gap:16px; padding:18px 0; border-bottom:1px solid var(--line); }
.steps li > span { width:36px; height:36px; border-radius:50%; display:grid; place-items:center; background:var(--accent-2); color:var(--accent); font-weight:800; }
.steps p { color:var(--muted); margin:4px 0 0; }
.site-footer { padding:44px 0 70px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:30px; color:var(--muted); }
.site-footer p { margin:5px 0 0; }
.footer-note { max-width:420px; }
dialog { width:min(680px,calc(100% - 28px)); border:1px solid var(--line); border-radius:22px; padding:0; color:var(--ink); box-shadow:0 32px 120px rgba(0,0,0,.24); }
dialog::backdrop { background:rgba(12,20,18,.5); backdrop-filter:blur(6px); }
.dialog-close-form { position:absolute; right:16px; top:16px; }
.icon-button { border:1px solid var(--line); background:white; width:38px; height:38px; border-radius:50%; font-size:24px; cursor:pointer; }
.checkout { padding:34px; }
.checkout h2 { font-size:34px; padding-right:44px; }
.checkout .sub { color:var(--muted); margin:10px 0 25px; }
.networks { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:10px; margin:16px 0 24px; }
.network { border:1px solid var(--line); background:white; border-radius:12px; padding:14px; cursor:pointer; font-weight:750; }
.network.active { border-color:var(--accent); background:var(--accent-2); color:var(--accent); }
.pay-box { background:#f4f7f6; border:1px solid var(--line); border-radius:16px; padding:18px; display:grid; gap:13px; }
.field-label { display:block; font-size:12px; text-transform:uppercase; letter-spacing:.08em; font-weight:800; color:var(--muted); margin-bottom:5px; }
.copy-row { display:grid; grid-template-columns:1fr auto; gap:8px; }
.copy-value { background:white; border:1px solid var(--line); border-radius:10px; padding:11px 12px; overflow-wrap:anywhere; font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:13px; }
.copy-button { border:1px solid var(--line); background:white; border-radius:10px; padding:0 12px; cursor:pointer; font-weight:750; }
.tx-form { margin-top:20px; display:grid; gap:10px; }
.tx-form input { width:100%; min-height:48px; border:1px solid var(--line); border-radius:10px; padding:0 12px; }
.notice { padding:12px 14px; border-radius:10px; background:#f4f7f6; color:var(--muted); font-size:14px; }
.notice.error { background:#fbefef; color:var(--danger); }
.notice.success { background:var(--accent-2); color:var(--accent); }
.loading { color:var(--muted); padding:20px 0; }
@media (max-width:760px) {
  nav { gap:14px; }
  nav a:last-child { display:none; }
  .hero { padding-top:82px; }
  .product-grid, .evidence-grid, .principle-grid, .split { grid-template-columns:1fr; }
  .product-card:last-child { grid-column:auto; }
  .section-heading, .site-footer { align-items:start; flex-direction:column; }
  .networks { grid-template-columns:1fr; }
  .checkout { padding:28px 20px 22px; }
}

.legal-title { font-size: clamp(44px,7vw,76px); margin-top: 12px; }

pre { white-space: pre-wrap; overflow-wrap: anywhere; background:#eef2f0; border:1px solid var(--line); border-radius:12px; padding:14px; font-size:12px; line-height:1.55; }

.requirements { color:var(--muted); font-size:13px; margin:0 0 18px; }
.product-card:last-child .requirements { color:#cad4d0; }
#quote-status, .order-reference { margin:16px 0; }
:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
html { scroll-padding-top:100px; }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }

[hidden] { display:none !important; }
.network:disabled { cursor:default; }

.order-reference summary { cursor:pointer; color:var(--muted); font-size:13px; margin-bottom:8px; }

.legal-page { max-width:850px; }
.legal-nav { line-height:2; margin:24px 0; }
.legal-acceptance { border:1px solid var(--line); border-radius:12px; margin:20px 0; padding:16px; font-size:14px; }
.legal-acceptance label { display:flex; align-items:flex-start; gap:10px; margin:14px 0; line-height:1.5; }
.legal-acceptance input { flex-shrink:0; margin-top:4px; width:18px; height:18px; }