* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 18px;
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--white);
}

[hidden] { display: none !important; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.skip-link {
    position: absolute; left: -999px; top: 0;
    background: var(--white); color: var(--blue-900); padding: 8px 12px; z-index: 10;
}
.skip-link:focus { left: 8px; top: 8px; outline: 3px solid var(--focus); }

.site-header { background: var(--blue-900); color: var(--white); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { color: var(--white); text-decoration: none; font-size: 24px; font-weight: 700; letter-spacing: .2px; }
.brand span { font-weight: 400; }
.header-note { font-size: 14px; opacity: .85; }

main.container { padding-top: 32px; padding-bottom: 56px; }

h1 { font-size: 32px; line-height: 1.2; margin: 0 0 12px; color: var(--blue-900); }
h2 { font-size: 22px; margin: 0 0 12px; color: var(--blue-900); }
.lede { margin: 0 0 24px; color: var(--gray-700); }

.steps {
    display: flex; gap: 8px; list-style: none; padding: 0; margin: 0 0 20px;
    font-size: 14px; color: var(--gray-500);
}
.steps li { flex: 1; padding-top: 8px; border-top: 4px solid var(--gray-200); }
.steps li.is-current { border-top-color: var(--blue-700); color: var(--blue-900); font-weight: 700; }
.steps li.is-done { border-top-color: var(--blue-700); color: var(--gray-700); }

.card { border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 24px; background: var(--white); }

label, .label { display: block; font-weight: 700; margin-bottom: 6px; }
.hint { font-size: 15px; color: var(--gray-700); margin: 0 0 8px; font-weight: 400; }

input[type="text"], input[type="number"], input[type="email"] {
    width: 100%; font: inherit; padding: 12px 14px; min-height: 48px;
    border: 2px solid var(--gray-700); border-radius: var(--radius); background: var(--white);
}
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
input[aria-invalid="true"] { border-color: var(--red-700); }

.btn {
    display: block; width: 100%; margin-top: 16px; min-height: 52px; padding: 12px 20px;
    font: inherit; font-weight: 700; color: var(--white); background: var(--blue-700);
    border: 0; border-radius: var(--radius); cursor: pointer;
}
.btn:hover { background: var(--blue-900); }
.btn:disabled { background: var(--gray-500); cursor: wait; }

.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--blue-700); text-decoration: underline; cursor: pointer; }
.link-btn.small { font-size: 15px; }
#payment-element { min-height: 160px; }
#email-error { margin-bottom: 12px; }

.error { color: var(--red-700); font-weight: 700; margin: 8px 0 0; min-height: 1.5em; }

.summary { margin: 0 0 20px; padding: 0; }
.summary div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--gray-200); }
.summary dt { color: var(--gray-700); }
.summary dd { margin: 0; font-weight: 700; text-align: right; }

.price-line { display: flex; justify-content: space-between; align-items: baseline; margin-top: 20px; padding-top: 16px; border-top: 2px solid var(--blue-900); }
.price-line .amount { font-size: 32px; font-weight: 700; color: var(--blue-900); }

.callout { border-left: 6px solid var(--blue-700); background: var(--blue-100); padding: 16px 20px; border-radius: var(--radius); }
.callout.success { border-left-color: var(--green-700); }

.site-footer { border-top: 1px solid var(--gray-200); padding: 24px 0 40px; font-size: 14px; color: var(--gray-700); }
.site-footer p { margin: 0 0 8px; }

.fine-print { font-size: 14px; color: var(--gray-700); margin: 12px 0 0; }

.legal h1 { margin-bottom: 4px; }
.legal .updated { color: var(--gray-700); font-size: 15px; margin: 0 0 24px; }
.legal h2 { font-size: 20px; margin: 28px 0 8px; }
.legal p, .legal li { margin: 0 0 10px; }
.legal ul { padding-left: 22px; margin: 0 0 10px; }

@media (max-width: 480px) {
    body { font-size: 17px; }
    .brand { white-space: nowrap; }
    h1 { font-size: 26px; }
    .card { padding: 18px; }
}