/* MDS guide: a left contents index beside a narrow reading column. */
@font-face {
  font-family: Outfit;
  src: url('/assets/fonts/outfit-variable.ttf') format('truetype');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
:root {
  color-scheme: light;
  --page: #fbfdfc;
  --ink: #143e38;
  --muted: #4d6961;
  --green: #236e5f;
  --mist: #eaf4ef;
  --line: #c5d9cf;
  --orange: #ffae73;
  --orange-light: #fff0e2;
  --orange-ink: #4c2a17;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 28px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 18px/1.6 Outfit, system-ui, sans-serif; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; letter-spacing: -.035em; line-height: 1.16; text-wrap: pretty; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
strong { font-weight: 600; }
img { display: block; max-width: 100%; }
:is(a, summary) { -webkit-tap-highlight-color: transparent; }
:focus, :focus-visible { outline: none; box-shadow: none; }
html:not([data-input-mode="pointer"]) :is(a, summary):focus-visible { background: var(--ink); color: var(--page); }
.wrap { width: min(1048px, calc(100% - 48px)); margin-inline: auto; }
.site-navigation__inner { width: min(1048px, calc(100% - 48px)); gap: 16px; }
.site-navigation__links { gap: 0; }
.site-navigation__links a { padding-inline: 10px; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 30; padding: 12px 20px; border-radius: 8px; background: var(--ink); color: var(--page); }
.skip-link:focus { top: 12px; }
.breadcrumbs { padding-top: 30px; font-size: 14px; line-height: 1.5; color: var(--muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 4px 12px; list-style: none; padding: 0; margin: 0; }
.breadcrumbs li + li::before { content: '/'; margin-right: 12px; color: #688379; }
.breadcrumbs a { display: inline-block; padding-block: 5px; }
.article-header { max-width: 760px; margin-left: 288px; padding-block: 38px 46px; }
h1 { font-size: clamp(40px, 5.3vw, 58px); letter-spacing: -.045em; line-height: 1.08; }
h1 span { color: var(--green); }
.article-intro { margin-top: 23px; color: var(--muted); font-size: 21px; line-height: 1.5; }
.article-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 22px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.article-meta span { white-space: nowrap; }
.article-layout { display: grid; grid-template-columns: 232px minmax(0, 760px); gap: 56px; align-items: start; }
.reading-column { min-width: 0; max-width: 760px; }
.desktop-contents { position: sticky; top: 24px; max-height: calc(100vh - 48px); max-height: calc(100dvh - 48px); overflow-y: auto; padding-right: 6px; scrollbar-width: thin; }
.toc h2 { margin: 4px 10px 14px; font-size: 16px; font-weight: 600; letter-spacing: -.015em; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a { display: flex; align-items: baseline; gap: 10px; min-height: 44px; padding: 10px; border-radius: 8px; font-size: 14px; line-height: 1.45; text-decoration: none; transition: background-color 140ms ease, transform 140ms ease; }
.toc a span { flex: 0 0 22px; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.toc a:hover { background: var(--mist); }
.toc a:active { transform: scale(.98); }
html:not([data-input-mode="pointer"]) .toc a:focus-visible span { color: inherit; }
.mobile-contents { display: none; }
.tactic + .tactic { margin-top: 48px; }
.tactic:not(.tactic-highlight, .tactic-referrals) + .tactic:not(.tactic-highlight, .tactic-referrals) { padding-top: 34px; border-top: 1px solid var(--line); }
.tactic h2 { display: flex; align-items: baseline; gap: 14px; font-size: clamp(27px, 3.5vw, 33px); }
.step { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 35px; width: 35px; min-width: 35px; height: 35px; border-radius: 50%; background: var(--orange-light); color: var(--orange-ink); font-size: 14px; line-height: 1; letter-spacing: 0; font-weight: 600; font-variant-numeric: tabular-nums; transform: translateY(-3px); }
.tactic > p { margin-top: 19px; }
.tactic ul { margin-block: 20px 0; padding-left: 23px; }
.tactic li { padding-left: 5px; }
.tactic li + li { margin-top: 12px; }
.tactic li::marker { color: var(--green); }
.start-here { color: var(--muted); }
.start-here strong { color: var(--ink); }
.message-example { margin-top: 24px; padding: 22px 25px; border-radius: 18px; background: var(--orange-light); color: var(--orange-ink); }
.message-example h3 { margin-bottom: 10px; font-size: 14px; font-weight: 600; letter-spacing: 0; }
.message-example p { font-size: 17px; line-height: 1.6; }
.message-example + p { margin-top: 22px; }
.tactic-highlight { padding: 30px; border-radius: 28px; background: var(--mist); }
.tactic-highlight .step { background: #d2e6db; color: var(--ink); }
.mds-help { padding-top: 21px; border-top: 1px solid var(--line); font-size: 17px; }
.tactic-referrals { padding: 32px; border-radius: 28px; background: var(--ink); color: #f5fcf8; }
.tactic-referrals .step { background: var(--orange); color: var(--orange-ink); }
.tactic-referrals .referral-lead { color: var(--orange); font-size: 23px; font-weight: 500; line-height: 1.4; }
.referral-loop { margin-block: 25px; }
.referral-loop > div { padding-block: 19px; border-top: 1px solid #52776d; }
.referral-loop > div:last-child { border-bottom: 1px solid #52776d; }
.referral-loop dt { font-size: 18px; font-weight: 600; }
.referral-loop dd { margin: 6px 0 0; color: #c5dbd3; font-size: 17px; }
.tactic-referrals .start-here { color: #c5dbd3; }
.tactic-referrals .start-here strong { color: #f5fcf8; }
.tactic-referrals .mds-help { border-color: #52776d; color: #c5dbd3; }
.closing { max-width: 760px; margin: 56px 0 0 288px; padding: 32px; border-radius: 28px; background: var(--orange-light); color: var(--orange-ink); }
.closing h2 { font-size: clamp(29px, 3.7vw, 36px); }
.closing p { margin-top: 18px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; margin-top: 25px; padding: 12px 25px; border-radius: 100px; background: var(--orange); color: var(--orange-ink); font-size: 16px; font-weight: 550; line-height: 1.35; text-decoration: none; transition: transform 140ms ease, background-color 140ms ease; }
.button:hover { background: #ffbd8d; }
.button:active { transform: scale(.97); }
.closing-contact { display: inline-flex; align-items: center; min-height: 48px; margin: 16px 0 0 18px; padding: 8px 0; font-size: 15px; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding-block: 32px; font-size: 14px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; text-decoration: none; font-weight: 500; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 980px) {
  .wrap { max-width: 760px; }
  .article-layout { display: block; }
  .desktop-contents { display: none; }
  .article-header { margin-left: 0; padding-block: 32px; }
  .closing { margin-left: 0; }
  .mobile-contents { display: block; margin-bottom: 34px; padding: 6px 14px; border-radius: 14px; background: var(--mist); }
  .mobile-contents summary { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 8px 6px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 550; }
  .mobile-contents summary::-webkit-details-marker { display: none; }
  .mobile-contents summary span { margin-left: auto; color: var(--muted); font-size: 13px; font-weight: 400; }
  .mobile-contents summary::after { content: '+'; font-size: 22px; font-weight: 400; }
  .mobile-contents[open] summary::after { content: '−'; }
  .mobile-contents nav { padding-bottom: 10px; }
  .mobile-contents .toc a { font-size: 15px; }
  html:not([data-input-mode="pointer"]) .mobile-contents summary:focus-visible span { color: inherit; }
}
@media (max-width: 540px) {
  .wrap, .site-navigation__inner { width: min(760px, calc(100% - 32px)); }
  body { font-size: 17px; line-height: 1.6; }
  .site-navigation__inner { gap: 8px; }
  .breadcrumbs { padding-top: 22px; font-size: 13px; }
  .article-header { padding-block: 25px 24px; }
  h1 { font-size: clamp(37px, 9.8vw, 48px); }
  .article-intro { margin-top: 19px; font-size: 19px; }
  .article-meta { font-size: 12px; }
  .tactic + .tactic { margin-top: 36px; }
  .tactic:not(.tactic-highlight, .tactic-referrals) + .tactic:not(.tactic-highlight, .tactic-referrals) { padding-top: 28px; }
  .tactic h2 { font-size: 27px; gap: 11px; }
  .step { flex-basis: 30px; width: 30px; min-width: 30px; height: 30px; font-size: 12px; transform: translateY(-2px); }
  .tactic > p { margin-top: 17px; }
  .tactic ul { padding-left: 19px; }
  .tactic li { padding-left: 3px; }
  .tactic-highlight, .tactic-referrals { padding: 24px 20px; border-radius: 24px; }
  .tactic-highlight h2, .tactic-referrals h2 { flex-direction: column; align-items: flex-start; gap: 12px; }
  .message-example { padding: 20px; }
  .message-example p, .mds-help, .referral-loop dd { font-size: 16px; }
  .tactic-referrals .referral-lead { font-size: 21px; }
  .closing { margin-top: 42px; padding: 26px 23px; border-radius: 24px; }
  .closing-contact { margin-left: 12px; }
}
@media (max-width: 359px) {
  .closing-contact { display: flex; width: fit-content; margin-left: 0; margin-top: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  :is(a, summary) { transition: none !important; }
  .button:active, .toc a:active { transform: none; }
}