:root {
  --teal: #024b64;
  --teal-deep: #013547;
  --red: #ef4027;
  --ink: #181818;
  --muted: rgba(24, 24, 24, 0.58);
  --muted-2: rgba(24, 24, 24, 0.42);
  --white: #ffffff;
  --off-white: #f7f8f8;
  --border: #e7e9ea;
  --success: #16865c;
  --warning: #b56a00;
  --danger: #c72d1a;
  --ff-display: 'Bricolage Grotesque', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ff-body: 'Work Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow: 0 22px 70px rgba(2, 75, 100, 0.10);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(2,75,100,.06), transparent 28%),
    var(--off-white);
  font-family: var(--ff-body);
  font-size: 15px;
  line-height: 1.5;
}
button, input, select { font: inherit; }
a { color: inherit; }

.checkout-shell {
  width: min(100%, 1080px);
  margin: 0 auto;
  padding: 22px 16px 34px;
}

.checkout-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 4px 2px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.035em;
}
.brand img { width: 32px; height: 32px; display: block; }
.brand span span { color: var(--red); }
.brand-dot { display:inline-block; width:5px; height:5px; background:var(--red); border-radius:50%; margin-left:2px; transform: translateY(-8px); }

.secure-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--teal);
  border: 1px solid rgba(2,75,100,.14);
  background: rgba(2,75,100,.05);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
}
.secure-chip svg { width: 14px; height: 14px; }

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.merchant-card,
.payment-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
}

.merchant-card { padding: 22px; }
.merchant-top { display:flex; align-items:center; gap:14px; }
.merchant-avatar {
  width: 48px; height: 48px; border-radius: 13px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(2,75,100,.08); color: var(--teal);
  font-family:var(--ff-display); font-weight:800; font-size:1rem;
}
.eyebrow {
  font-size: .67rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 3px;
}
.merchant-name {
  font-family: var(--ff-display);
  font-size: 1.03rem;
  font-weight: 700;
  letter-spacing: -.025em;
}

.summary-divider { height:1px; background:var(--border); margin:20px 0; }
.summary-row { display:flex; justify-content:space-between; gap:16px; align-items:flex-start; margin:10px 0; }
.summary-label { color:var(--muted-2); font-size:.78rem; }
.summary-value { text-align:right; font-weight:500; font-size:.82rem; }
.summary-amount {
  margin-top: 22px;
  padding: 18px;
  border-radius: 14px;
  background: var(--teal);
  color: var(--white);
}
.summary-amount .label { font-size:.72rem; opacity:.72; margin-bottom:3px; }
.summary-amount .amount {
  font-family: var(--ff-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.05em;
}
.summary-amount .amount .currency { color:#fff; opacity:.72; font-size:.86rem; letter-spacing:0; margin-right:7px; }

.payment-card { padding: 24px 20px; box-shadow: var(--shadow); }
.checkout-title {
  margin:0;
  font-family:var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height:1.08;
  letter-spacing:-.045em;
  font-weight:800;
}
.checkout-subtitle { margin:9px 0 0; color:var(--muted); font-size:.84rem; font-weight:300; }

.step-row { display:flex; align-items:center; gap:8px; margin:22px 0 24px; }
.step { height:4px; flex:1; border-radius:999px; background:#eceeef; }
.step.active { background:var(--red); }
.step.done { background:var(--teal); }

.method-grid { display:grid; grid-template-columns:1fr; gap:12px; }
.method-card {
  width:100%;
  border:1px solid var(--border);
  background:var(--white);
  border-radius:15px;
  padding:17px;
  text-align:left;
  cursor:pointer;
  display:flex;
  gap:14px;
  align-items:center;
  transition:border-color .2s, transform .2s, box-shadow .2s;
}
.method-card:hover { border-color:rgba(2,75,100,.28); transform:translateY(-1px); box-shadow:0 10px 28px rgba(0,0,0,.05); }
.method-icon {
  width:42px; height:42px; flex:0 0 auto; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(2,75,100,.08); color:var(--teal);
}
.method-icon.red { background:rgba(239,64,39,.09); color:var(--red); }
.method-icon svg { width:21px; height:21px; }
.method-copy { flex:1; }
.method-title { font-family:var(--ff-display); font-weight:700; letter-spacing:-.02em; font-size:.94rem; }
.method-sub { color:var(--muted); font-size:.75rem; margin-top:2px; }
.method-arrow { color:rgba(24,24,24,.28); font-size:1.1rem; }

.form-grid { display:grid; gap:15px; }
.field label { display:block; font-size:.74rem; font-weight:600; margin-bottom:7px; color:rgba(24,24,24,.72); }
.input-wrap { position:relative; }
.input-prefix { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--muted-2); font-weight:500; }
.field input,
.field select {
  width:100%;
  min-height:49px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  outline:none;
  padding:0 14px;
  transition:border-color .2s, box-shadow .2s;
}
.field input.has-prefix { padding-left:62px; }
.field input:focus,
.field select:focus { border-color:rgba(2,75,100,.55); box-shadow:0 0 0 3px rgba(2,75,100,.08); }
.field-help { color:var(--muted-2); font-size:.7rem; margin-top:6px; }

.rail-list { display:grid; grid-template-columns:1fr; gap:9px; }
.rail-option { position:relative; }
.rail-option input { position:absolute; opacity:0; pointer-events:none; }
.rail-option label {
  display:flex; align-items:center; gap:12px;
  border:1px solid var(--border); border-radius:12px;
  padding:13px 14px; cursor:pointer; transition:.2s;
}
.rail-option input:checked + label { border-color:var(--teal); box-shadow:0 0 0 3px rgba(2,75,100,.07); background:rgba(2,75,100,.025); }
.rail-badge { width:34px; height:34px; border-radius:9px; display:flex; align-items:center; justify-content:center; background:#f3f4f4; font-family:var(--ff-display); font-size:.7rem; font-weight:800; }
.rail-name { font-weight:600; font-size:.82rem; }
.rail-meta { font-size:.68rem; color:var(--muted-2); margin-top:1px; }
.radio-dot { margin-left:auto; width:17px; height:17px; border:1.5px solid #c9ced1; border-radius:50%; display:flex; align-items:center; justify-content:center; }
.rail-option input:checked + label .radio-dot { border-color:var(--teal); }
.rail-option input:checked + label .radio-dot::after { content:''; width:8px; height:8px; border-radius:50%; background:var(--teal); }

.card-hosted-note { border:1px solid rgba(2,75,100,.12); background:rgba(2,75,100,.045); border-radius:12px; padding:12px 13px; color:var(--muted); font-size:.73rem; line-height:1.55; }
.checkout-error { border:1px solid rgba(239,64,39,.2); background:rgba(239,64,39,.055); color:var(--danger); border-radius:12px; padding:11px 13px; font-size:.75rem; }
.bank-instructions { text-align:left; border:1px solid rgba(2,75,100,.14); background:rgba(2,75,100,.045); border-radius:12px; padding:14px; margin-top:16px; }
.bank-instructions div { display:flex; justify-content:space-between; gap:14px; margin:6px 0; font-size:.74rem; }
.bank-instructions span { color:var(--muted-2); }
.card-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

.btn-primary {
  width:100%;
  min-height:50px;
  border:0;
  border-radius:12px;
  background:var(--teal);
  color:#fff;
  font-family:var(--ff-display);
  font-weight:700;
  letter-spacing:-.015em;
  cursor:pointer;
  transition:transform .18s, background .18s;
  margin-top:4px;
}
.btn-primary:hover { background:var(--teal-deep); transform:translateY(-1px); }
.btn-primary:disabled { opacity:.55; cursor:not-allowed; transform:none; }
.btn-secondary {
  width:100%; min-height:45px; border:1px solid var(--border); border-radius:12px; background:#fff; color:var(--ink); cursor:pointer; font-weight:600;
}

.back-link { display:inline-flex; align-items:center; gap:6px; color:var(--teal); font-size:.75rem; font-weight:600; text-decoration:none; margin-bottom:17px; }

.trust-row { display:flex; justify-content:center; flex-wrap:wrap; gap:14px 18px; color:var(--muted-2); font-size:.68rem; margin-top:18px; }
.trust-item { display:inline-flex; align-items:center; gap:5px; }
.trust-item svg { width:13px; height:13px; color:var(--teal); }

.status-wrap { text-align:center; padding:18px 4px 6px; }
.status-icon { width:64px; height:64px; margin:0 auto 18px; border-radius:50%; display:flex; align-items:center; justify-content:center; }
.status-icon svg { width:30px; height:30px; }
.status-icon.pending { background:rgba(2,75,100,.08); color:var(--teal); }
.status-icon.success { background:rgba(22,134,92,.1); color:var(--success); }
.status-icon.failed { background:rgba(239,64,39,.09); color:var(--red); }
.status-title { font-family:var(--ff-display); font-size:1.45rem; font-weight:800; letter-spacing:-.04em; }
.status-copy { color:var(--muted); max-width:420px; margin:8px auto 0; font-size:.82rem; }
.status-reference { margin:20px 0; padding:13px 14px; border:1px solid var(--border); border-radius:12px; display:flex; justify-content:space-between; gap:12px; font-size:.74rem; }
.spinner { width:28px; height:28px; border:3px solid rgba(2,75,100,.14); border-top-color:var(--teal); border-radius:50%; animation:spin .85s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

.checkout-footer { text-align:center; margin-top:22px; color:var(--muted-2); font-size:.68rem; }
.checkout-footer strong { color:var(--teal); font-family:var(--ff-display); }

@media (min-width: 720px) {
  .checkout-shell { padding:34px 24px 46px; }
  .checkout-layout { grid-template-columns: 330px minmax(0, 1fr); gap:22px; }
  .merchant-card { position:sticky; top:24px; }
  .payment-card { padding:32px; }
  .method-grid { grid-template-columns:1fr 1fr; }
  .rail-list { grid-template-columns:1fr 1fr; }
}

@media (max-width: 420px) {
  .secure-chip span { display:none; }
  .secure-chip { padding:8px; }
  .card-row { grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior:auto !important; transition:none !important; animation-duration:.001ms !important; animation-iteration-count:1 !important; }
}