:root {
  --navy: #032d5d;
  --navy-deep: #021f43;
  --ink: #172e52;
  --muted: #687486;
  --subtle: #f5f8fc;
  --line: #dce5ef;
  --blue: #008cff;
  --blue-dark: #0076d7;
  --yellow: #ffd318;
  --green: #20865f;
  --shadow: 0 24px 70px rgba(3, 45, 93, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #fff; color: #1f2937; font-family: Inter, Arial, sans-serif; font-size: 16px; line-height: 1.55; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; padding: 10px 14px; background: var(--yellow); color: var(--navy-deep); font-weight: 800; border-radius: 0 0 6px 6px; }
.skip-link:focus { top: 0; }

.site-header { background: #202837; color: #fff; }
.nav-shell { width: min(1200px, calc(100% - 40px)); min-height: 88px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { display: block; width: 154px; height: 48px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: #fff; text-decoration: none; font-size: 13px; font-weight: 600; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--yellow); }
.nav-links .contact-link { padding: 12px 20px; border-radius: 4px; background: #3488f5; }
.nav-links .contact-link:hover, .nav-links .contact-link:focus-visible { background: #2177e4; color: #fff; }

.payment-hero { background: #fff; border-bottom: 1px solid #edf2f8; }
.hero-shell { width: min(960px, calc(100% - 48px)); margin: 0 auto; padding: 34px 0 24px; }
.eyebrow, .section-kicker, .panel-kicker { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 11px; }
.eyebrow-line { width: 28px; height: 3px; border-radius: 4px; background: var(--yellow); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 0 0 5px; color: var(--navy); font-size: clamp(28px, 4vw, 38px); line-height: 1.15; letter-spacing: -.04em; }
.hero-copy { margin: 0; color: #5f6673; font-size: 15px; }

.payment-shell { width: min(960px, calc(100% - 48px)); margin: 0 auto; padding: 24px 0 64px; }
.stepper { display: flex; align-items: center; gap: 17px; max-width: 720px; margin: 0 auto 28px; }
.stepper-item { display: flex; align-items: center; gap: 11px; color: #a0aaba; transition: color .2s ease; }
.stepper-item.is-active, .stepper-item.is-complete { color: var(--navy); }
.step-number { display: grid; place-items: center; width: 38px; height: 38px; flex: 0 0 38px; border: 1px solid #dce5ef; border-radius: 50%; font-size: 12px; font-weight: 800; }
.is-active .step-number, .is-complete .step-number { border-color: var(--blue); background: var(--blue); color: #fff; }
.stepper-item strong, .stepper-item small { display: block; line-height: 1.35; }
.stepper-item strong { font-size: 13px; }
.stepper-item small { font-size: 11px; }
.stepper-line { height: 1px; flex: 1; min-width: 40px; background: #dce5ef; }

.payment-card { border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
#acceptance-form { padding: 40px 48px 30px; }
.acceptance-summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.acceptance-summary[hidden] { display: none; }
.confirmation-items { display: flex; align-items: center; gap: 26px; color: var(--navy); font-size: 13px; font-weight: 700; }
.confirmation-items > span { display: inline-flex; align-items: center; gap: 8px; }
.confirmation-check { display: grid; place-items: center; width: 20px; height: 20px; flex: 0 0 20px; border-radius: 50%; background: var(--green); color: #fff; font-size: 12px; }
.edit-button { padding: 5px 0; border: 0; background: transparent; color: var(--blue-dark); font-size: 12px; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.edit-button:hover, .edit-button:focus-visible { color: var(--navy); }
#acceptance-form.is-collapsed { padding-top: 22px; padding-bottom: 22px; }
#acceptance-form.is-collapsed > :not(.acceptance-summary) { display: none; }
.card-heading { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.section-kicker, .panel-kicker { margin-bottom: 8px; }
.card-heading h2 { margin-bottom: 8px; color: var(--navy); font-size: 29px; line-height: 1.18; letter-spacing: -.035em; }
.card-heading p:not(.section-kicker):not(.panel-kicker) { max-width: 620px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.field-group label { display: block; margin-bottom: 8px; color: var(--ink); font-size: 13px; font-weight: 800; }
input[type="text"], input[type="email"] { width: 100%; height: 52px; padding: 0 15px; border: 1px solid #cfd9e5; border-radius: 6px; outline: 0; background: #fff; color: var(--ink); font-size: 15px; transition: border-color .2s, box-shadow .2s; }
input::placeholder { color: #a4aebb; }
input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0,140,255,.12); }
input[aria-invalid="true"] { border-color: #cf3f55; }
.field-help { min-height: 20px; margin: 7px 0 0; color: #8a96a5; font-size: 12px; }
.field-error { min-height: 18px; margin: 5px 0 0; color: #b4233d; font-size: 12px; font-weight: 600; }
.terms-check { display: flex; align-items: flex-start; gap: 12px; max-width: 670px; margin-top: 22px; color: #4c596a; font-size: 13px; cursor: pointer; }
.terms-check input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.custom-checkbox { width: 20px; height: 20px; flex: 0 0 20px; margin-top: 1px; border: 1px solid #a9b7c8; border-radius: 4px; background: #fff; }
.terms-check input:focus-visible + .custom-checkbox { box-shadow: 0 0 0 4px rgba(0,140,255,.17); }
.terms-check input:checked + .custom-checkbox { border-color: var(--blue); background: var(--blue); box-shadow: inset 0 0 0 4px #fff; }
.terms-check a, .support-line a, .privacy-note a { color: var(--blue-dark); font-weight: 800; text-underline-offset: 2px; }
.terms-error { margin-left: 32px; }
.form-footer { display: flex; align-items: center; justify-content: flex-end; gap: 20px; margin-top: 22px; padding-top: 24px; border-top: 1px solid #edf1f6; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 6px; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .15s, background .15s, box-shadow .15s; }
.primary-button { min-height: 48px; padding: 0 20px; background: var(--blue); color: #fff; font-size: 13px; }
.primary-button:hover, .primary-button:focus-visible { background: var(--blue-dark); box-shadow: 0 8px 18px rgba(0,140,255,.22); transform: translateY(-1px); }
.primary-button:disabled { cursor: wait; opacity: .65; transform: none; }
.form-status { min-height: 20px; margin: 16px 0 0; color: var(--green); font-size: 13px; font-weight: 700; }
.form-status.is-error { color: #b4233d; }

.step-two { position: relative; border-top: 1px solid #e6edf5; background: #fbfcfe; }
.step-two-content { padding: 40px 48px 46px; }
.step-two.is-locked .step-two-content { opacity: .56; pointer-events: none; user-select: none; }
.locked-overlay { position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; justify-content: center; gap: 10px; background: rgba(255,255,255,.52); color: var(--navy); font-size: 13px; font-weight: 700; backdrop-filter: blur(1.5px); }
.step-two:not(.is-locked) .locked-overlay { display: none; }
.lock-mark { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 16px; }
.method-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.method-card { position: relative; min-height: 165px; padding: 20px; border: 1px solid #d6e1ed; border-radius: 8px; background: #fff; color: var(--ink); text-align: left; cursor: pointer; transition: border-color .2s, box-shadow .2s, transform .2s; }
.method-card:not(:disabled):hover { border-color: #9cc9ef; transform: translateY(-1px); }
.method-card.is-selected { border: 2px solid var(--blue); box-shadow: 0 9px 25px rgba(0,140,255,.1); }
.method-card:disabled { border-color: #dce4ec; background: #f5f7fa; cursor: not-allowed; }
.method-card:disabled .coin-mark { filter: grayscale(1); opacity: .68; }
.method-card:disabled .method-select { display: none; }
.method-topline { display: flex; align-items: center; min-height: 25px; gap: 9px; }
.coin-mark { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; color: #fff; font-size: 14px; font-weight: 800; }
.usdc-mark { background: #2775ca; }
.stripe-mark { background: #635bff; }
.preferred-tag, .method-label { color: #738094; font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.preferred-tag { padding: 4px 6px; border-radius: 3px; background: #fff5bc; color: #8b7212; }
.unavailable-tag { padding: 4px 6px; border-radius: 3px; background: #e7ebf0; color: #526174; font-size: 9px; font-weight: 800; letter-spacing: .04em; }
.method-title { display: block; margin-top: 14px; color: var(--navy); font-size: 19px; font-weight: 800; }
.method-description { display: block; max-width: 260px; margin-top: 4px; padding-right: 34px; color: #728096; font-size: 12px; line-height: 1.5; }
.method-select { position: absolute; right: 17px; bottom: 17px; display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid #c8d5e4; border-radius: 50%; color: transparent; font-size: 11px; }
.is-selected .method-select { border-color: var(--blue); background: var(--blue); color: #fff; }
.method-panel { margin-top: 18px; padding: 24px; border: 1px solid #dce5ef; border-radius: 8px; background: #fff; }
.panel-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.panel-kicker { margin-bottom: 5px; font-size: 10px; }
.panel-header h3 { margin: 0; color: var(--navy); font-size: 20px; letter-spacing: -.02em; }
.network-pill, .stripe-secure { padding: 6px 8px; border-radius: 4px; background: #eff7ff; color: var(--blue-dark); font-size: 10px; font-weight: 800; white-space: nowrap; }
.panel-copy { max-width: 700px; margin: 14px 0 22px; color: #687486; font-size: 13px; line-height: 1.6; }
.usdc-details { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 22px; align-items: center; }
.usdc-details.qr-is-hidden { grid-template-columns: 1fr; }
.qr-wrap { display: grid; place-items: center; width: 150px; height: 150px; padding: 7px; border: 1px solid #e3eaf2; border-radius: 7px; background: #fff; }
.qr-wrap[hidden] { display: none; }
.qr-code, .qr-fallback { grid-area: 1 / 1; width: 134px; height: 134px; }
.qr-code { display: none; object-fit: contain; }
.qr-code.is-loaded { display: block; }
.qr-fallback { position: relative; overflow: hidden; background-color: #fff; background-image: radial-gradient(#152a48 1.6px, transparent 1.7px), linear-gradient(90deg, transparent 49%, #152a48 49% 51%, transparent 51%); background-size: 9px 9px, 13px 13px; }
.finder { position: absolute; z-index: 1; width: 34px; height: 34px; border: 7px solid #152a48; background: #fff; box-shadow: inset 0 0 0 5px #fff; }
.finder-a { top: 3px; left: 3px; }.finder-b { top: 3px; right: 3px; }.finder-c { bottom: 3px; left: 3px; }
.wallet-details { min-width: 0; }
.payment-fact + .payment-fact { margin-top: 13px; }
.detail-label { margin-bottom: 6px; color: #8290a2; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.detail-value { color: var(--navy); font-size: 13px; font-weight: 700; line-height: 1.6; }
.wallet-value { overflow-wrap: anywhere; color: var(--navy); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; line-height: 1.6; }
.secondary-button { min-height: 40px; margin-top: 17px; padding: 0 14px; border: 1px solid #cbd8e6; background: #fff; color: var(--navy); font-size: 12px; }
.copy-icon { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.secondary-button:hover, .secondary-button:focus-visible { border-color: var(--blue); color: var(--blue-dark); }
.copy-status { min-height: 18px; margin: 7px 0 0; color: var(--green); font-size: 11px; font-weight: 700; }
.warning-box { display: flex; gap: 11px; margin-top: 22px; padding: 13px 15px; border: 1px solid #f0d883; border-radius: 6px; background: #fffaf0; color: #69551a; }
.warning-box p { margin: 0; font-size: 11px; line-height: 1.55; }.warning-box strong { font-size: 11px; }.warning-icon { display: grid; place-items: center; width: 21px; height: 21px; flex: 0 0 21px; border-radius: 50%; background: #f2c94c; color: #fff; font-size: 13px; font-weight: 800; }
.stripe-panel .panel-copy { margin-bottom: 21px; }.stripe-button { width: fit-content; }.stripe-panel[hidden] { display: none; }
.support-line { margin: 20px 0 0; color: #7e8a9a; text-align: center; font-size: 13px; }
.support-line a:hover { color: var(--navy); }

.site-footer { background: #15345f; color: #fff; }
.footer-shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 34px 0 24px; }
.footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 80px; }
.footer-links { display: flex; gap: 86px; }
.footer-links h3 { margin-bottom: 12px; color: #fff; font-size: 12px; }
.footer-links a { display: block; margin: 7px 0; color: #fff; font-size: 11px; text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--yellow); }
.footer-logo img { display: block; width: 180px; height: 64px; object-fit: contain; }
.amazon-note { margin: 22px 0 0; color: rgba(255,255,255,.36); font-size: 13px; }
.footer-bottom { padding: 12px 24px; background: #3488f5; color: #fff; text-align: center; font-size: 10px; }

@media (max-width: 700px) {
  .nav-shell { min-height: 72px; }.brand img { width: 126px; height: 44px; }.nav-links a:not(.contact-link) { display: none; }.nav-links .contact-link { padding: 10px 15px; font-size: 11px; }
  .hero-shell, .payment-shell, .footer-shell { width: min(100% - 32px, 520px); }.hero-shell { padding: 25px 0 18px; }.payment-shell { padding-top: 20px; }
  h1 { font-size: 29px; }.hero-copy { font-size: 14px; }.stepper { gap: 10px; }.stepper-item { gap: 7px; }.stepper-item small { display: none; }.stepper-item strong { font-size: 11px; }.step-number { width: 32px; height: 32px; flex-basis: 32px; font-size: 10px; }.stepper-line { min-width: 16px; }
  #acceptance-form, .step-two-content { padding: 30px 22px 26px; }.acceptance-summary { align-items: flex-start; }.confirmation-items { align-items: flex-start; flex-direction: column; gap: 9px; }.card-heading h2 { font-size: 24px; }.card-icon { display: none; }.form-grid, .method-grid { grid-template-columns: 1fr; gap: 14px; }.form-grid { margin-top: 24px; }.form-footer { align-items: stretch; flex-direction: column; }.primary-button { width: 100%; }.method-card { min-height: 142px; }.method-panel { padding: 18px; }.panel-header { flex-direction: column; gap: 10px; }.usdc-details { grid-template-columns: 1fr; }.qr-wrap { margin: 0 auto; }.wallet-details { text-align: center; }.wallet-value { text-align: left; }.secondary-button { width: 100%; }.warning-box { align-items: flex-start; }.locked-overlay { padding: 20px; text-align: center; font-size: 12px; }
  .footer-main { flex-direction: column; gap: 24px; }.footer-links { width: 100%; justify-content: space-between; gap: 28px; }.footer-logo img { width: 156px; }.amazon-note { margin-top: 14px; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }