:root {
    color-scheme: light;
    font-family: Arial, Helvetica, sans-serif;
    color: #202a30;
    background: #fff;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: #fff;
    font-size: 15px;
    line-height: 1.6;
}

a { color: #126b83; }

a:focus-visible {
    outline: 2px solid #126b83;
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -48px;
    left: 12px;
    padding: 8px 12px;
    background: #fff;
}

.skip-link:focus { top: 10px; }

.site-header {
    display: flex;
    min-height: 64px;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(24px, calc((100% - 980px) / 2));
    border-bottom: 1px solid #d9dfe2;
}

.brand {
    color: #202a30;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
}

.top-nav { display: flex; align-items: center; gap: 22px; }
.top-nav a { font-size: 14px; }
.top-nav .nav-cta { font-weight: 700; }

main { max-width: 980px; margin: 0 auto; padding: 0 24px; }

.page-intro {
    padding: 42px 0 30px;
    border-bottom: 1px solid #d9dfe2;
}

.eyebrow, .section-label, .sidebar-heading {
    margin: 0 0 8px;
    color: #53656e;
    font-size: 12px;
    font-weight: 700;
}

h1, h2, h3 { color: #202a30; line-height: 1.3; }
h1 { margin: 0 0 8px; font-size: 30px; }
.page-intro > p:last-child { max-width: 690px; margin: 0; color: #4f5e65; }

.guide-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 42px;
    padding: 28px 0 36px;
}

.guide-sidebar {
    position: sticky;
    top: 20px;
    align-self: start;
}

.sidebar-heading { margin-bottom: 7px; }
.guide-sidebar a { display: block; padding: 4px 0; font-size: 13px; text-decoration: none; }
.guide-sidebar a:hover { text-decoration: underline; }

.guide-section {
    padding: 0 0 28px;
    scroll-margin-top: 20px;
}

.guide-section + .guide-section {
    padding-top: 22px;
    border-top: 1px solid #d9dfe2;
}

.section-label { margin-bottom: 3px; }
.guide-section h2 { margin: 0 0 10px; font-size: 21px; }
.guide-section h3 { margin: 0 0 5px; font-size: 16px; }
.section-lead { margin: 0 0 14px; color: #4f5e65; }

.step-grid { display: grid; gap: 12px; }

.step-card, .info-card {
    padding: 13px 15px;
    border: 1px solid #d9dfe2;
    background: #fff;
}

.step-icon { display: none; }
.step-card h3, .info-card h3 { margin-bottom: 3px; }
.step-card p, .info-card p { margin: 0; color: #4f5e65; }
.tip-box { margin-top: 12px; padding: 10px 13px; border-left: 3px solid #667c86; background: #f5f7f8; }
.tip-box p { margin: 0; }

.feature-panel { border-top: 1px solid #d9dfe2; }
.feature-row { padding: 13px 0; }
.feature-row + .feature-row { border-top: 1px solid #e5e9eb; }
.feature-symbol { display: none; }
.feature-row p { margin: 0; color: #4f5e65; }

.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card-kicker { display: block; margin-bottom: 5px; color: #53656e; font-size: 11px; font-weight: 700; }
.info-card-tint { background: #f8f9fa; }

.reward-banner { padding: 13px 15px; border: 1px solid #d9dfe2; background: #f8f9fa; }
.reward-star { display: none; }
.reward-banner h3 { margin: 0 0 5px; font-size: 16px; }
.reward-banner p { margin: 0; color: #4f5e65; }
.small-note { margin: 10px 0 0; color: #4f5e65; }

.privacy-section { padding-bottom: 10px; }
.privacy-links { display: flex; flex-wrap: wrap; gap: 16px; }
.privacy-links a { font-weight: 600; }
.privacy-links span { display: none; }

.author-card {
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 8px 0 36px;
    padding: 18px 0;
    border-top: 1px solid #d9dfe2;
    border-bottom: 1px solid #d9dfe2;
}

.author-monogram { display: none; }
.author-copy { flex: 1; }
.author-copy .section-label { margin-bottom: 3px; }
.author-copy h2 { margin: 0 0 4px; font-size: 17px; }
.author-copy p:last-child { margin: 0; color: #4f5e65; }
.author-link { flex: 0 0 auto; }

.site-footer {
    display: flex;
    max-width: 980px;
    justify-content: space-between;
    gap: 16px;
    margin: 0 auto;
    padding: 18px 24px 28px;
    border-top: 1px solid #d9dfe2;
    color: #53656e;
    font-size: 13px;
}

.footer-brand { color: #202a30; font-weight: 700; text-decoration: none; }
.brand-period { display: none; }

@media (max-width: 680px) {
    .site-header { min-height: 58px; padding: 0 18px; }
    .top-nav { gap: 14px; }
    .top-nav a { font-size: 13px; }
    main { padding: 0 18px; }
    .page-intro { padding: 30px 0 22px; }
    h1 { font-size: 26px; }
    .guide-layout { grid-template-columns: 1fr; gap: 24px; padding-top: 22px; }
    .guide-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 14px; }
    .sidebar-heading { grid-column: 1 / -1; }
    .two-column { grid-template-columns: 1fr; }
    .author-card { align-items: flex-start; flex-direction: column; gap: 8px; }
    .site-footer { flex-wrap: wrap; padding-right: 18px; padding-left: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}