:root {
  --atb-ink: #171816;
  --atb-ivory: #f2eee6;
  --atb-paper: #fbfaf6;
  --atb-jade: #0f4b3f;
  --atb-red: #b73b30;
  --atb-sand: #d8c9b3;
  --atb-sage: #c9d2c7;
  --atb-muted: #625f5a;
  --atb-line: rgba(23, 24, 22, .22);
  --atb-max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.atb-site {
  margin: 0;
  background: var(--atb-ivory);
  color: var(--atb-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.56;
}
body.atb-lock { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.atb-wrap { max-width: var(--atb-max); margin: 0 auto; padding: 0 28px; }
.atb-kicker { display: inline-block; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: var(--atb-red); }

.atb-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(242, 238, 230, .95);
  border-bottom: 1px solid var(--atb-line);
  backdrop-filter: blur(12px);
}
.atb-mast { min-height: 76px; display: grid; grid-template-columns: 250px 1fr 210px; gap: 18px; align-items: center; }
.atb-brand { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 3px; font-weight: 700; letter-spacing: -.02em; }
.atb-brand img { width: 178px; height: auto; max-height: 50px; object-fit: contain; }
.atb-brand span { color: var(--atb-red); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; }
.atb-nav { display: flex; justify-content: center; align-items: center; gap: 24px; font-size: 13px; font-weight: 700; }
.atb-nav a, .atb-footer a { transition: color .18s ease, background .18s ease; }
.atb-nav a:hover { color: var(--atb-red); }
.atb-actions { display: flex; justify-content: flex-end; gap: 8px; }
.atb-icon-btn, .atb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--atb-ink);
  background: transparent;
  color: var(--atb-ink);
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.atb-btn--dark, .atb-icon-btn:hover, .atb-btn:hover { background: var(--atb-ink); color: #fff; }
.atb-btn--dark:hover { background: var(--atb-jade); border-color: var(--atb-jade); }
.atb-icon-btn:active, .atb-btn:active { transform: translateY(1px); }
.atb-menu-btn { display: none; }
.atb-issue { background: var(--atb-paper); border-top: 1px solid var(--atb-line); }
.atb-issue .atb-wrap { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.atb-mobile-panel { display: none; }

.atb-cover { max-width: var(--atb-max); margin: 0 auto; display: grid; grid-template-columns: 142px minmax(0, 1.15fr) minmax(330px, .85fr); min-height: 680px; border-bottom: 1px solid var(--atb-ink); }
.atb-cover__rail { border-right: 1px solid var(--atb-ink); padding: 36px 18px; display: flex; flex-direction: column; justify-content: space-between; }
.atb-cover__rail span { font-size: 11px; letter-spacing: .15em; text-transform: uppercase; font-weight: 700; }
.atb-cover__rail strong { writing-mode: vertical-rl; transform: rotate(180deg); font-family: Georgia, "Times New Roman", serif; font-size: 26px; font-weight: 500; }
.atb-cover__image { position: relative; background-size: cover; background-position: center; }
.atb-cover__image::after, .atb-place-grid a::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.55)); }
.atb-cover__image span { position: absolute; left: 28px; bottom: 26px; z-index: 1; background: var(--atb-paper); padding: 12px 14px; font-size: 12px; max-width: 270px; }
.atb-cover__copy { background: var(--atb-paper); padding: 52px 46px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid var(--atb-ink); }
.atb-cover h1, .atb-page-hero h1, .atb-section-head h2, .atb-standard h2, .atb-article h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.035em;
  line-height: 1.04;
}
.atb-cover h1 { font-size: clamp(40px, 4.5vw, 58px); margin: 14px 0 22px; }
.atb-cover p { font-size: 17px; max-width: 580px; margin: 0 0 28px; color: #3e3d39; }
.atb-cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.atb-cover__meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--atb-line); font-size: 12px; }
.atb-cover__meta span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; background: var(--atb-red); border-radius: 99px; vertical-align: 1px; }

.atb-section { padding: 80px 0; }
.atb-section--line { border-top: 1px solid var(--atb-ink); }
.atb-section-head { display: grid; grid-template-columns: 140px minmax(0, 1fr) 300px; gap: 24px; align-items: end; margin-bottom: 32px; }
.atb-section-head h2 { font-size: clamp(34px, 4vw, 44px); margin: 0; }
.atb-section-head p { margin: 0; color: #4c4945; font-size: 15px; }

.atb-index-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--atb-ink); border-left: 1px solid var(--atb-ink); }
.atb-index-grid--page { grid-template-columns: repeat(2, 1fr); }
.atb-index-item { min-height: 196px; background: var(--atb-paper); padding: 22px; border-right: 1px solid var(--atb-ink); border-bottom: 1px solid var(--atb-ink); display: flex; flex-direction: column; justify-content: space-between; }
.atb-index-item:hover { background: var(--atb-sage); }
.atb-index-item em { font-family: Georgia, "Times New Roman", serif; font-size: 34px; font-style: normal; color: var(--atb-jade); }
.atb-index-item strong { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 24px; line-height: 1.08; margin-bottom: 7px; }
.atb-index-item small { display: block; color: #56534e; font-size: 13px; }

.atb-edit-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 30px; }
.atb-grid { display: grid; gap: 16px; }
.atb-grid--cards { grid-template-columns: repeat(3, 1fr); }
.atb-card { display: flex; flex-direction: column; background: var(--atb-paper); border: 1px solid var(--atb-ink); min-height: 100%; overflow: hidden; }
.atb-card__image { display: block; min-height: 220px; background-size: cover; background-position: center; transition: transform .2s ease; }
.atb-card:hover .atb-card__image { transform: scale(1.02); }
.atb-card__body { display: flex; flex-direction: column; gap: 8px; padding: 20px; }
.atb-card strong { font-family: Georgia, "Times New Roman", serif; font-size: 24px; line-height: 1.1; font-weight: 500; }
.atb-card__body > span:last-child { font-size: 13px; color: #595752; }
.atb-card--feature .atb-card__image { min-height: 500px; }
.atb-card--feature strong { font-size: clamp(30px, 3vw, 36px); }
.atb-list { border-top: 1px solid var(--atb-ink); }
.atb-row { display: grid; grid-template-columns: 78px 1fr 70px; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--atb-ink); align-items: start; }
.atb-row__num { font-family: Georgia, "Times New Roman", serif; font-size: 34px; color: var(--atb-red); }
.atb-row strong { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 22px; line-height: 1.1; font-weight: 500; }
.atb-row em { display: block; color: var(--atb-muted); font-size: 12px; font-style: normal; margin-top: 5px; }
.atb-row__arrow { justify-self: end; font-size: 12px; font-weight: 700; }

.atb-desk { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--atb-ink); background: var(--atb-paper); }
.atb-desk > div { padding: 36px; }
.atb-desk > div + div { border-left: 1px solid var(--atb-ink); }
.atb-desk h3 { font-family: Georgia, "Times New Roman", serif; font-size: 33px; font-weight: 500; margin: 8px 0 18px; }

.atb-section--decoder { border-top: 1px solid var(--atb-ink); }
.atb-decoder { display: grid; grid-template-columns: .85fr 1.15fr; min-height: 510px; }
.atb-decoder__intro { padding: 42px; background: var(--atb-jade); color: #fff; }
.atb-decoder__intro .atb-kicker { color: #d8d0c3; }
.atb-decoder__intro h2 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(38px, 4vw, 47px); font-weight: 500; line-height: 1.04; margin: 12px 0; }
.atb-decoder__intro p { color: #e7ebe8; }
.atb-decoder__intro small { display: block; margin-top: 40px; color: #bfd0c9; }
.atb-decoder__tool { padding: 36px; background: var(--atb-paper); border: 1px solid var(--atb-ink); border-left: 0; }
.atb-decoder label { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; margin-bottom: 8px; }
.atb-decoder select, .atb-search-inline input, .atb-search input {
  width: 100%;
  border: 1px solid var(--atb-ink);
  background: #fff;
  padding: 14px;
  margin-bottom: 18px;
}
.atb-decoder__result { border-top: 1px solid var(--atb-ink); padding-top: 22px; }
.atb-decoder__result h3 { font-family: Georgia, "Times New Roman", serif; font-size: 29px; font-weight: 500; margin: 0 0 10px; }
.atb-decoder-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.atb-decoder-box { padding: 18px; background: #eee8dd; border-left: 3px solid var(--atb-red); }
.atb-decoder-box h4 { margin: 0 0 8px; }
.atb-decoder-box p { margin: 0; font-size: 13px; }

.atb-place-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--atb-ink); border-left: 1px solid var(--atb-ink); }
.atb-place-grid a { position: relative; min-height: 420px; padding: 24px; color: #fff; background-size: cover; background-position: center; border-right: 1px solid var(--atb-ink); border-bottom: 1px solid var(--atb-ink); display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; }
.atb-place-grid span, .atb-place-grid strong, .atb-place-grid small { position: relative; z-index: 1; }
.atb-place-grid span { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
.atb-place-grid strong { font-family: Georgia, "Times New Roman", serif; font-size: 31px; font-weight: 500; }
.atb-place-grid small { font-size: 13px; }

.atb-standard { display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; }
.atb-standard > div { background: var(--atb-paper); border: 1px solid var(--atb-ink); padding: 40px; }
.atb-standard h2 { font-size: clamp(34px, 4vw, 44px); margin: 10px 0 20px; }
.atb-standard__list { border-top: 1px solid var(--atb-ink); }
.atb-standard__list p { display: grid; grid-template-columns: 74px 1fr; gap: 17px; padding: 17px 0; margin: 0; border-bottom: 1px solid var(--atb-ink); }
.atb-standard__list b { font-family: Georgia, "Times New Roman", serif; font-size: 27px; color: var(--atb-red); }
.atb-standard__list strong { display: block; }
.atb-standard blockquote { margin: 0; background: var(--atb-sand); padding: 36px; display: flex; flex-direction: column; justify-content: space-between; }
.atb-standard blockquote p { font-family: Georgia, "Times New Roman", serif; font-size: 30px; line-height: 1.18; margin: 0 0 28px; }

.atb-faq { border-top: 1px solid var(--atb-ink); }
.atb-faq details { border-bottom: 1px solid var(--atb-ink); }
.atb-faq summary { padding: 19px 0; cursor: pointer; font-weight: 700; }
.atb-faq p { max-width: 850px; margin: 0 0 20px; color: #4f4d49; }

.atb-page-hero { padding: 60px 0 38px; border-bottom: 1px solid var(--atb-ink); }
.atb-page-hero__grid { display: grid; grid-template-columns: 150px 1fr; gap: 28px; }
.atb-page-hero h1 { font-size: clamp(40px, 5vw, 54px); margin: 8px 0; }
.atb-page-hero p { max-width: 780px; font-size: 17px; color: #4f4d49; }
.atb-policy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.atb-policy-box { background: var(--atb-paper); border-top: 4px solid var(--atb-jade); padding: 24px; }
.atb-policy-box h2 { font-family: Georgia, "Times New Roman", serif; font-size: 29px; font-weight: 500; margin: 7px 0; }
.atb-policy-box p { color: #4f4d49; }
.atb-filterbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.atb-filterbar button { border: 1px solid var(--atb-ink); background: transparent; padding: 9px 12px; cursor: pointer; font-weight: 700; }
.atb-filterbar button.active { background: var(--atb-jade); color: #fff; border-color: var(--atb-jade); }
.atb-empty { background: var(--atb-paper); border: 1px solid var(--atb-ink); padding: 34px; }
.atb-empty h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; margin-top: 0; }
.atb-search-inline { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-bottom: 28px; }
.atb-search-inline input { margin: 0; }

.atb-article-shell { padding: 52px 0 80px; }
.atb-article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; align-items: start; }
.atb-article { background: var(--atb-paper); border: 1px solid var(--atb-ink); padding: 38px; }
.atb-article h1 { font-size: clamp(38px, 5vw, 54px); margin: 12px 0 24px; }
.atb-article__hero { min-height: 420px; background-size: cover; background-position: center; margin-bottom: 24px; }
.atb-quick-note { border-left: 4px solid var(--atb-jade); background: #e5e8df; padding: 18px 20px; margin: 24px 0; }
.atb-quick-note p { margin: 6px 0 0; }
.atb-content { font-size: 16.5px; }
.atb-content h2, .atb-content h3 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; line-height: 1.16; margin-top: 38px; }
.atb-content img, .atb-content iframe, .atb-content video { max-width: 100%; height: auto; }
.atb-sidebar { position: sticky; top: 116px; }
.atb-sidebox { background: var(--atb-paper); border: 1px solid var(--atb-ink); padding: 18px; margin-bottom: 12px; }
.atb-sidebox h2 { font-family: Georgia, "Times New Roman", serif; font-size: 20px; font-weight: 500; margin: 0 0 10px; }
.atb-sidebox a { display: block; border-top: 1px solid var(--atb-line); padding: 9px 0; font-size: 13px; }

.atb-footer { background: #10110f; color: #fff; padding: 58px 0 22px; }
.atb-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.atb-brand--footer img { filter: brightness(0) invert(1); }
.atb-footer p { color: #cac7bd; max-width: 460px; }
.atb-footer h2 { font-size: 11px; letter-spacing: .15em; text-transform: uppercase; color: #b8b7b1; }
.atb-footer a { display: block; margin: 8px 0; color: #eee; }
.atb-footer a:hover { color: var(--atb-sand); }
.atb-footer__bottom { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid rgba(255,255,255,.18); margin-top: 36px; padding-top: 22px; font-size: 11px; color: #aaa; }

.atb-search { position: fixed; inset: 0; z-index: 100; background: rgba(10,11,10,.94); display: none; padding: 8vh 20px; }
.atb-search.open { display: block; }
.atb-search__box { max-width: 900px; margin: auto; background: var(--atb-ivory); padding: 30px; border: 1px solid #fff; }
.atb-search__top { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 18px; }
.atb-search form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.atb-search input { font-size: 24px; margin: 0; }
.atb-search__quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.atb-search__quick a { border: 1px solid var(--atb-ink); padding: 8px 10px; background: var(--atb-paper); font-size: 13px; }
.atb-backtop { position: fixed; right: 18px; bottom: 18px; width: 50px; height: 44px; border: 1px solid var(--atb-ink); background: var(--atb-paper); display: none; z-index: 40; cursor: pointer; }
.atb-backtop.show { display: block; }

@media (max-width: 1050px) {
  .atb-nav { display: none; }
  .atb-menu-btn { display: inline-flex; }
  .atb-mast { grid-template-columns: 1fr auto auto; }
  .atb-cover { grid-template-columns: 95px 1fr; }
  .atb-cover__copy { grid-column: 1 / 3; border-left: 0; border-top: 1px solid var(--atb-ink); }
  .atb-section-head { grid-template-columns: 100px 1fr; }
  .atb-section-head p { grid-column: 2; }
  .atb-index-grid, .atb-grid--cards, .atb-place-grid { grid-template-columns: repeat(2, 1fr); }
  .atb-edit-layout, .atb-decoder, .atb-standard, .atb-article-grid { grid-template-columns: 1fr; }
  .atb-decoder__tool { border-left: 1px solid var(--atb-ink); border-top: 0; }
  .atb-sidebar { position: static; }
  .atb-mobile-panel.open { display: grid; gap: 0; border-top: 1px solid var(--atb-line); background: var(--atb-paper); }
  .atb-mobile-panel a { padding: 14px 28px; border-bottom: 1px solid var(--atb-line); font-weight: 700; }
}

@media (max-width: 700px) {
  .atb-wrap { padding: 0 15px; }
  .atb-mast { min-height: 64px; }
  .atb-brand img { width: 142px; }
  .atb-issue .atb-wrap { font-size: 9px; }
  .atb-issue span:nth-child(2) { display: none; }
  .atb-cover { grid-template-columns: 1fr; min-height: auto; }
  .atb-cover__rail { display: none; }
  .atb-cover__image { min-height: 420px; }
  .atb-cover__copy { grid-column: auto; padding: 30px 22px; }
  .atb-cover h1 { font-size: 39px; }
  .atb-section { padding: 54px 0; }
  .atb-section-head, .atb-page-hero__grid { grid-template-columns: 1fr; gap: 12px; }
  .atb-section-head p { grid-column: auto; }
  .atb-index-grid, .atb-index-grid--page, .atb-grid--cards, .atb-place-grid, .atb-desk, .atb-policy-grid, .atb-footer__grid, .atb-decoder-columns { grid-template-columns: 1fr; }
  .atb-desk > div { padding: 24px; }
  .atb-desk > div + div { border-left: 0; border-top: 1px solid var(--atb-ink); }
  .atb-decoder__intro, .atb-decoder__tool, .atb-standard > div, .atb-standard blockquote, .atb-article { padding: 26px 22px; }
  .atb-card--feature .atb-card__image, .atb-article__hero { min-height: 310px; }
  .atb-row { grid-template-columns: 58px 1fr; }
  .atb-row__arrow { display: none; }
  .atb-search form, .atb-search-inline { grid-template-columns: 1fr; }
  .atb-search input { font-size: 20px; }
  .atb-footer__bottom { flex-direction: column; }
}