.secure-checkout-hero {
  background: radial-gradient(ellipse at 90% 0, #d9f4ff 0, transparent 56%), linear-gradient(120deg, #f6fbfe, #edf4f8);
  border-block-end: 1px solid #dce6ed;
  padding-block: clamp(28px, 5vw, 56px);
}
.secure-checkout-hero h1 { max-width: 24ch; font-size: clamp(28px, 4vw, 42px); color: #062b4f; }
.secure-checkout-hero p { max-width: 66ch; color: #40586c; }
.secure-checkout-hero .commerce-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; padding: 0; margin: 24px 0 0; list-style: none; max-width: 850px; }
.secure-checkout-hero .commerce-step { border: 1px solid #cbd9e3; border-radius: 12px; background: #fff9; color: #4b6071; padding: 12px 16px; font-weight: 700; font-size: 13px; }
.secure-checkout-hero .commerce-step--done { border-color: #a2c8d8; color: #154d65; }
.secure-checkout-hero .commerce-step--active { background: #062b4f; border-color: #062b4f; color: #fff; box-shadow: 0 5px 14px #062b4f18; }
.secure-checkout { --checkout-line: #d8e3eb; --checkout-muted: #4a6072; padding-block: 32px 64px; }
.secure-checkout .checkout-layout { display: grid; grid-template-columns: minmax(280px, .84fr) minmax(0, 1.55fr); gap: 28px; align-items: start; }
.secure-checkout .checkout-wide { grid-column: 1 / -1; }
.secure-checkout .content-card { min-width: 0; border: 1px solid var(--checkout-line); border-radius: 18px; box-shadow: 0 8px 24px #062b4f08; overflow: hidden; }
.secure-checkout .content-card-body { padding: clamp(18px, 2.4vw, 30px); }
.secure-checkout .checkout-summary { position: sticky; top: 110px; }
.secure-checkout .checkout-summary h2 { font-size: 23px; margin: 8px 0 20px; }
.secure-checkout .checkout-summary a:not(.btn) { color: #075e85; text-decoration: underline; text-underline-offset: 4px; font-weight: 700; }
.secure-checkout .checkout-items { max-height: 370px; overflow: auto; overscroll-behavior: contain; margin-block-end: 18px; }
.secure-checkout .checkout-item { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; padding-block: 16px; border-block-end: 1px solid var(--checkout-line); }
.secure-checkout .checkout-item img { width: 56px; height: 64px; object-fit: contain; grid-row: span 2; }
.secure-checkout .checkout-item strong { font-size: 14px; overflow-wrap: anywhere; }
.secure-checkout .checkout-item small { display: block; color: var(--checkout-muted); font-size: 12px; }
.secure-checkout .checkout-item > b { grid-column: 2; white-space: normal; font-size: 15px; }
.secure-checkout .checkout-totals { margin-block: 22px; padding-block-start: 12px; border-block-start: 1px solid var(--checkout-line); font-size: 14px; }
.secure-checkout .checkout-totals p { margin-block: 10px; color: var(--checkout-muted); overflow-wrap: anywhere; }
.secure-checkout .checkout-totals p:has(> strong), .secure-checkout .checkout-grand-total { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; }
.secure-checkout .checkout-totals p strong { color: #17364f; }
.secure-checkout .checkout-grand-total { border-block-start: 2px solid #062b4f; padding-block-start: 18px; margin-block: 18px 8px; color: #062b4f; }
.secure-checkout .checkout-grand-total span { font-size: 16px; }
.secure-checkout .checkout-grand-total strong { font-size: 27px; }
.secure-checkout .coupon-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.secure-checkout .coupon-form label { flex: 1 1 140px; min-width: 0; }
.secure-checkout .form-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.secure-checkout .form-grid--full { grid-column: 1 / -1; }
.secure-checkout .checkout-form > label { font-weight: 700; margin-block-start: 10px; }
.secure-checkout input:not([type=radio]):not([type=checkbox]):not([type=hidden]), .secure-checkout select, .secure-checkout textarea { box-sizing: border-box; width: 100%; min-width: 0; min-height: 48px; border: 1px solid #aebfcd; border-radius: 9px; padding: 12px; font: inherit; background: #fff; color: #17364f; }
.secure-checkout input[type=radio], .secure-checkout input[type=checkbox] { accent-color: #075e85; width: 20px; height: 20px; flex: 0 0 20px; }
.secure-checkout :is(input, select, textarea, button, a):focus-visible, .secure-checkout-hero a:focus-visible { outline: 3px solid #0088bb; outline-offset: 3px; }
.secure-checkout [aria-invalid=true] { border-color: #af2424 !important; }
.secure-checkout .checkout-error-summary { margin-block-end: 18px; border-inline-start: 4px solid #af2424; padding: 16px; background: #fff3f1; color: #8c2020; }
.secure-checkout .checkout-field-error { color: #9d2020; }
.secure-checkout .checkout-login-callout { background: #f0f8fc; border: 1px solid #c9e4ee; border-radius: 12px; padding: 18px; }
.secure-checkout .checkout-login-callout h4, .secure-checkout .checkout-section-heading h4 { font-size: 20px; margin-block: 8px; }
.secure-checkout .checkout-login-callout p, .secure-checkout .checkout-section-heading p { color: var(--checkout-muted); font-size: 14px; }
.secure-checkout .checkout-address-fields { min-width: 0; padding: 20px 0; margin: 16px 0 0; border: 0; border-block-start: 1px solid var(--checkout-line); }
.secure-checkout .checkout-address-fields legend, .secure-checkout .payment-groups legend { font-weight: 800; font-size: 18px; padding-inline-end: 10px; color: #062b4f; }
.secure-checkout .checkout-address-fields p { color: var(--checkout-muted); font-size: 13px; }
.secure-checkout .checkout-address-grid, .secure-checkout .checkout-service-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.secure-checkout .checkout-address-wide { grid-column: 1 / -1; }
.secure-checkout .checkout-service-fields { margin-block-start: 20px; }
.secure-checkout .storefront-field { display: grid; gap: 8px; min-width: 0; font-size: 14px; font-weight: 600; }
.secure-checkout .checkout-section-heading { padding-block-start: 20px; border-block-start: 1px solid var(--checkout-line); }
.secure-checkout .payment-groups { min-width: 0; border: 0; padding: 0; margin: 10px 0; }
.secure-checkout .payment-method-group h4 { color: var(--checkout-muted); font-weight: 500; font-size: 13px; }
.secure-checkout .payment-method-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.secure-checkout .payment-method-card { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 10px; min-height: 120px; min-width: 0; border: 1.5px solid #b6c7d4; border-radius: 12px; padding: 16px; cursor: pointer; background: #fff; }
.secure-checkout .payment-method-card:has(input:checked) { border-color: #075e85; background: #eef8fd; box-shadow: inset 0 0 0 1px #075e85; }
.secure-checkout .payment-method-card:focus-within { outline: 3px solid #0088bb; outline-offset: 2px; }
.secure-checkout .payment-method-card > span:not(.payment-brand-marks) { font-weight: 800; }
.secure-checkout .payment-method-card input[type=radio] { position: static; padding: 0; margin: 0; }
.secure-checkout .payment-method-card .payment-brand-mark img { width: 52px; height: 26px; }
.secure-checkout .payment-method-card small { flex-basis: 100%; color: #40586c; line-height: 1.6; font-size: 12px; }
.payment-brand-marks { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; max-width: 100%; }
.payment-brand-mark { display: inline-flex; align-items: center; justify-content: center; background: #fff; border: 1px solid #d9e3e9; padding: 5px 7px; border-radius: 5px; }
.payment-brand-mark img { width: 52px; height: 26px; object-fit: contain; }
.footer-payment-methods { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; padding-block: 20px; font-size: 13px; border-block-start: 1px solid #ffffff24; }
.secure-checkout .checkout-security-note { background: #f2f7fa; border-radius: 10px; padding: 15px; color: #324f65; font-size: 13px; }
.secure-checkout .checkout-review-notice { border-inline-start: 3px solid #168268; padding: 10px 14px; color: #21534a; background: #edf8f3; font-size: 14px; }
.secure-checkout .checkout-review-notice.is-stale { border-color: #9a6800; color: #755000; background: #fff8e5; }
.secure-checkout .checkout-submit-actions { display: grid; gap: 10px; padding-block-start: 12px; }
.secure-checkout .btn { min-height: 48px; white-space: normal; text-align: center; }
.secure-checkout .btn:disabled { opacity: .6; cursor: not-allowed; }
.secure-checkout .checkout-auth-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.secure-checkout .checkout-auth-card { min-width: 0; }
.secure-checkout .checkout-auth-card .password-field { min-width: 0; }
.secure-checkout .checkout-auth-form label { margin-block-start: 8px; }
@media (max-width: 1050px) {
  .secure-checkout .checkout-layout { grid-template-columns: minmax(260px, .9fr) minmax(0, 1.2fr); gap: 18px; }
  .secure-checkout .checkout-auth-grid, .secure-checkout .payment-method-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .secure-checkout { padding-block: 20px 40px; }
  .secure-checkout .checkout-layout { grid-template-columns: minmax(0, 1fr); }
  .secure-checkout .checkout-summary { position: static; }
  .secure-checkout .checkout-items { max-height: none; }
  .secure-checkout .checkout-auth-grid { grid-template-columns: minmax(0, 1fr); }
  .secure-checkout-hero .commerce-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .secure-checkout-hero .commerce-step { padding: 10px; font-size: 12px; }
  .secure-checkout .checkout-service-fields { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 380px) {
  .secure-checkout .checkout-address-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: no-preference) {
  .secure-checkout .content-card { animation: checkout-arrive .3s ease-out both; }
  @keyframes checkout-arrive { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}