:root {
  --ink: #0D1B15;
  --rail: #0E7C66;
  --verify: #35C48E;
  --bg: #ffffff;
  --panel: #f6f8f7;
  --border: #dde6e2;
  --muted: #5b6b64;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Arial, "Liberation Sans", Helvetica, ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--rail); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* header */
header.site {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
header.site .row { display: flex; align-items: center; gap: 22px; height: 62px; }
header.site img.logo { height: 28px; }
header.site nav { display: flex; gap: 20px; margin-left: auto; align-items: center; }
header.site nav a { color: var(--ink); font-size: 15px; font-weight: 600; }
.checkout-page header.site { position: static; }
.btn {
  display: inline-block; font-weight: 700; font-size: 15px; cursor: pointer;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--rail); color: #fff; }
.btn.primary:hover { background: #0b6555; }
.btn.accent { background: var(--verify); color: var(--ink); }
.btn.accent:hover { background: #2bb27f; }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--border); }
.btn.ghost:hover { border-color: var(--rail); color: var(--rail); }
.btn.sm { padding: 6px 12px; font-size: 14px; }
.btn.big { width: 100%; padding: 12px 18px; font-size: 16px; }

/* hero */
.hero { padding: 74px 0 56px; }
.hero .tag { color: var(--rail); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: 13px; }
.hero h1 { font-size: 52px; line-height: 1.05; margin: 12px 0 16px; letter-spacing: -0.02em; }
.hero h1 .g { color: var(--rail); }
.hero p.lead { font-size: 20px; color: var(--muted); max-width: 680px; margin: 0 0 26px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* bands + sections */
.band { background: var(--ink); color: #eafff8; padding: 26px 0; }
.band .wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center; text-align: center; }
.band strong { color: var(--verify); }
section.block { padding: 54px 0; }
section.block h2 { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 6px; }
section.block .sub { color: var(--muted); margin: 0 0 28px; font-size: 17px; }
.section-tag { color: var(--rail); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; font-size: 13px; margin-bottom: 8px; }
.proof-loop { background: #fff; }
.proof-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(230px, 1fr)); gap:14px; }
.proof-card { border:1px solid var(--border); border-radius:var(--radius); padding:18px; background:linear-gradient(180deg, #fff, var(--panel)); }
.proof-card .num { display:inline-grid; place-items:center; width:28px; height:28px; border-radius:999px; background:var(--rail); color:#fff; font-weight:900; margin-bottom:10px; }
.proof-card h3 { margin:0 0 8px; font-size:17px; }
.proof-card p { margin:0; color:var(--muted); font-size:14px; }

/* store toolbar */
.store-head { padding: 40px 0 10px; }
.store-head h1 { font-size: 40px; margin: 6px 0 8px; letter-spacing: -0.02em; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 6px; }
.chip { font-size: 13px; font-weight: 600; color: var(--muted); border: 1px solid var(--border); background: var(--panel); padding: 5px 12px; border-radius: 999px; }
.chip.on { color: #fff; background: var(--rail); border-color: var(--rail); }

/* product grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.card {
  border: 1px solid var(--border); border-radius: var(--radius); background: #fff;
  padding: 20px; display: flex; flex-direction: column; transition: box-shadow .15s, border-color .15s, transform .15s;
}
.card:hover { border-color: var(--rail); box-shadow: 0 8px 26px rgba(14,124,102,0.12); transform: translateY(-2px); }
.card .top { display: flex; align-items: center; gap: 12px; }
.card .ico { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; color: #fff; font-size: 18px; flex: none; }
.card h2,
.card h3 { margin: 0; font-size: 18px; line-height: 1.25; }
.card h2 a,
.card h3 a { color: var(--ink); }
.card .oneliner { color: var(--muted); font-size: 15px; margin: 12px 0 14px; flex: 1; }
.card .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.card .t { font-size: 12px; color: var(--rail); background: rgba(53,196,142,0.12); padding: 3px 9px; border-radius: 999px; font-weight: 600; }
.card .foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 14px; }
.card .price { font-weight: 800; font-size: 15px; color: var(--ink); }
.card .price .u { font-weight: 500; color: var(--muted); font-size: 13px; }

/* checkout */
.checkout { max-width: 640px; margin: 46px auto; }
.co-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.co-card .co-head { background: var(--ink); color: #eafff8; padding: 20px 24px; }
.co-card .co-head .by { color: var(--verify); font-weight: 700; }
.eyebrow { font-size:13px; letter-spacing:.05em; text-transform:uppercase; opacity:.8; font-weight:800; }
.eyebrow.dark { color:var(--rail); opacity:1; }
.co-title { font-size:22px; font-weight:800; margin-top:2px; }
.co-card .co-body { padding: 24px; }
.co-line { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.co-note { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; font-size: 14px; color: var(--muted); margin: 18px 0; }
.co-note strong { color: var(--ink); }
.demo { display: inline-block; font-size: 12px; font-weight: 700; color: #8a6d00; background: #fff5d6; border: 1px solid #f0e0a0; padding: 3px 10px; border-radius: 999px; }
.mono-pill { color:var(--rail); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight:900; background:rgba(53,196,142,0.14); padding:2px 8px; border-radius:999px; }
.proof-steps { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:18px 0; padding:0; list-style:none; }
.proof-steps li { border:1px solid var(--border); background:#fff; border-radius:10px; padding:10px; font-size:13px; font-weight:800; color:var(--ink); }
.proof-steps span { display:inline-grid; place-items:center; width:22px; height:22px; border-radius:999px; background:var(--rail); color:#fff; margin-right:6px; font-size:12px; }
.co-form { display: grid; gap: 12px; margin: 18px 0; }
.co-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 700; color: var(--ink); }
.co-form input,
.co-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  font: inherit; color: var(--ink); background: #fff;
}
.co-form textarea { min-height: 86px; resize: vertical; }
.co-form input:focus,
.co-form textarea:focus { outline: 3px solid rgba(53,196,142,0.22); border-color: var(--rail); }
.co-actions { display: grid; grid-template-columns: 1fr; gap: 10px; }
.co-actions .row { display: flex; flex-wrap: wrap; gap: 10px; }
.payment-panel {
  margin-top:18px; border:1px solid rgba(14,124,102,0.28); border-radius:12px;
  background:linear-gradient(180deg, rgba(53,196,142,0.14), #fff); padding:16px;
}
.payment-panel .panel-head { display:flex; justify-content:space-between; gap:12px; align-items:flex-start; margin-bottom:12px; }
.payment-panel h2 { margin:2px 0 0; font-size:20px; letter-spacing:-0.01em; }
.status-chip { display:inline-flex; white-space:nowrap; font-size:12px; font-weight:900; color:#073d33; background:#dff7ed; border:1px solid rgba(14,124,102,0.22); padding:5px 9px; border-radius:999px; }
.small-muted { margin:0; color:var(--muted); font-size:14px; }
.receipt-box {
  margin-top: 18px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: #fff;
}
.receipt-box .rh { background: var(--ink); color: #eafff8; padding: 12px 14px; font-weight: 800; }
.receipt-box .rb { padding: 14px; display: grid; gap: 10px; }
.receipt-box code {
  display: block; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px; font-size: 12px;
}
.receipt-kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 12px; font-size: 14px; }
.receipt-kv dt { color: var(--muted); font-weight: 700; }
.receipt-kv dd { margin: 0; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.status-good { color: var(--rail); font-weight: 800; }
.advanced-log summary { cursor:pointer; color:var(--rail); font-weight:800; font-size:14px; }

/* verifier */
.verify-hero { padding-bottom: 34px; }
.verify-shell { padding-top: 30px; }
.verify-layout { display:grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr); gap:20px; align-items:start; }
.verify-panel {
  border:1px solid var(--border); border-radius:var(--radius); background:#fff;
  padding:20px; box-shadow:0 8px 24px rgba(13,27,21,0.04);
}
.verify-label { display:block; font-size:13px; font-weight:800; color:var(--ink); margin-bottom:8px; }
#packet-input {
  width:100%; min-height:390px; resize:vertical; border:1px solid var(--border);
  border-radius:10px; padding:12px; font:13px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
  color:var(--ink); background:var(--panel);
}
#packet-input:focus { outline:3px solid rgba(53,196,142,0.22); border-color:var(--rail); }
.verify-actions { display:flex; flex-wrap:wrap; gap:10px; margin:14px 0; }
.verdict-card { border-radius:12px; border:1px solid var(--border); padding:16px; margin:12px 0 16px; }
.verdict-card h3 { margin:8px 0 6px; font-size:20px; line-height:1.25; }
.verdict-card p { margin:0; color:var(--muted); font-size:14px; }
.verdict-card.neutral { background:var(--panel); }
.verdict-card.good { background:#ebfff6; border-color:rgba(14,124,102,0.32); }
.verdict-card.warn { background:#fff9e8; border-color:#ead081; }
.verdict-card.bad { background:#fff0f0; border-color:#e0a0a0; }
.verdict-pill {
  display:inline-flex; align-items:center; border-radius:999px; padding:4px 9px;
  font-size:12px; font-weight:900; letter-spacing:.04em; background:#fff; color:var(--rail);
  border:1px solid var(--border);
}
.verify-kv { margin: 14px 0; }
.claim-matrix { display:grid; gap:8px; margin-top:14px; color:var(--muted); font-size:14px; }
.claim-matrix div { display:flex; gap:8px; align-items:center; }
.mini {
  display:inline-grid; place-items:center; width:22px; height:22px; border-radius:999px;
  font-size:13px; font-weight:900; flex:none;
}
.mini.good { color:#fff; background:var(--rail); }
.mini.bad { color:#812626; background:#ffe3e3; }

/* footer */
footer.site { border-top: 1px solid var(--border); background: var(--panel); padding: 34px 0; margin-top: 40px; color: var(--muted); font-size: 14px; }
footer.site .row { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
footer.site img { height: 22px; opacity: .9; }
footer.site .legal { margin-left: auto; text-align: right; line-height: 1.4; }

@media (max-width: 640px) {
  .hero h1 { font-size: 38px; }
  header.site nav a:not(.btn) { display: none; }
  footer.site .legal { margin-left: 0; text-align: left; }
  .proof-steps { grid-template-columns:1fr; }
  .payment-panel .panel-head { display:grid; }
  .verify-layout { grid-template-columns:1fr; }
}