/* barge — layout B narrow shell ~410 · soft cards · accordion motion only */
:root {
  --ba-ink: #1c2a33;
  --ba-muted: #5c6f7a;
  --ba-paper: #e7eef2;
  --ba-card: #f7fafb;
  --ba-mist: #d5e2e9;
  --ba-line: rgba(30, 58, 76, 0.12);
  --ba-river: #3d7a92;
  --ba-river-deep: #2a5a6e;
  --ba-sand: #c9b59a;
  --ba-cta: #2f6f57;
  --ba-cta-ink: #f4fffa;
  --ba-font-display: "Fraunces", "Georgia", serif;
  --ba-font-body: "Nunito Sans", "Segoe UI", sans-serif;
  --ba-shell: 410px;
  --ba-mast-h: 58px;
  --ba-banner-h: 42px;
  --ba-safe-top: env(safe-area-inset-top, 0px);
  --ba-safe-bottom: env(safe-area-inset-bottom, 0px);
  --ba-radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--ba-mast-h) + var(--ba-banner-h) + var(--ba-safe-top) + 10px);
  scroll-padding-bottom: calc(76px + var(--ba-safe-bottom));
}
body {
  margin: 0;
  font-family: var(--ba-font-body);
  color: var(--ba-ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(900px 420px at 8% 0%, rgba(61, 122, 146, 0.18), transparent 55%),
    radial-gradient(700px 380px at 100% 20%, rgba(201, 181, 154, 0.22), transparent 50%),
    linear-gradient(180deg, #cfdce4 0%, var(--ba-paper) 40%, #d9e4ea 100%);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ba-river-deep); text-underline-offset: 2px; }
a:hover { color: var(--ba-cta); }
h1, h2, h3, .ba-brand__name {
  font-family: var(--ba-font-display);
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-weight: 600;
}

/* Layout B: centered phone column + side gutters on desktop */
.ba-shell {
  min-height: 100vh;
  width: 100%;
  max-width: var(--ba-shell);
  margin-inline: auto;
  background:
    linear-gradient(180deg, #f4f8fa 0%, var(--ba-card) 35%, #eef4f7 100%);
  box-shadow:
    0 0 0 1px rgba(30, 58, 76, 0.08),
    0 18px 50px rgba(20, 40, 55, 0.12);
  padding-bottom: calc(72px + var(--ba-safe-bottom));
  position: relative;
}
@media (min-width: 480px) {
  body { background: #b7c8d2; }
  .ba-shell {
    min-height: 100vh;
    margin-top: 0;
  }
}

.ba-wrap { width: calc(100% - 1.6rem); margin-inline: auto; }

.ba-mast {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 248, 250, 0.94);
  border-bottom: 1px solid var(--ba-line);
  padding-top: var(--ba-safe-top);
  backdrop-filter: blur(10px);
}
.ba-mast__row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: var(--ba-mast-h);
  padding-inline: 0.8rem;
}
.ba-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}
.ba-brand img { border-radius: 10px; flex-shrink: 0; background: var(--ba-river-deep); }
.ba-brand__name { font-size: 0.98rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ba-brand__tag {
  display: block;
  font-family: var(--ba-font-body);
  font-size: 0.68rem;
  color: var(--ba-muted);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.ba-nav { display: none; }
.ba-mast__cta { display: none; }
.ba-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.48rem 0.85rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--ba-mist);
  color: var(--ba-ink);
  font: inherit;
  font-weight: 700;
  font-size: 0.84rem;
  text-decoration: none;
  cursor: pointer;
  line-height: 1.2;
}
.ba-btn--ghost { background: transparent; border-color: var(--ba-line); }
.ba-btn--river { background: var(--ba-river); color: #fff; }
.ba-btn--cta-vis, .ba-btn--solid, .ba-cta-mid__btn, .ba-cta-rail__btn {
  background: var(--ba-cta);
  color: var(--ba-cta-ink);
}
.ba-btn--lg { padding: 0.72rem 1.1rem; font-size: 0.95rem; }
.ba-btn--soft { background: var(--ba-card); border: 1px solid var(--ba-line); }
.ba-toggle {
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--ba-line);
  background: var(--ba-card);
  border-radius: 12px;
  font-size: 1.15rem;
  cursor: pointer;
}
.ba-drawer {
  display: none;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.55rem 0.8rem 0.9rem;
  background: var(--ba-card);
  border-bottom: 1px solid var(--ba-line);
}
.ba-drawer.is-open { display: flex; }
.ba-drawer a {
  padding: 0.65rem 0.75rem;
  text-decoration: none;
  color: var(--ba-ink);
  border-radius: 10px;
  font-weight: 650;
  font-size: 0.92rem;
}
.ba-drawer a:hover { background: var(--ba-mist); }

.ba-drift {
  background: linear-gradient(90deg, #1e3a4c, #2a5a6e);
  color: #e8f2f6;
}
.ba-drift__inner {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  padding: 0.55rem 0.8rem;
  min-height: var(--ba-banner-h);
  font-size: 0.8rem;
}
.ba-drift__kicker {
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.68rem;
  color: var(--ba-sand);
}
.ba-drift__line { flex: 1; min-width: 10rem; opacity: 0.92; }
.ba-drift__x {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

/* H1: single hero vertical flow inside narrow shell */
.ba-hero {
  padding: 1.15rem 0 0.5rem;
}
.ba-hero__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ba-muted);
  font-weight: 800;
}
.ba-hero__brand {
  margin: 0 0 0.55rem;
  font-size: clamp(1.7rem, 7vw, 2.05rem);
}
.ba-hero__text {
  margin: 0.75rem 0 0.95rem;
  color: var(--ba-muted);
  font-size: 0.95rem;
}
.ba-hero__visual {
  margin: 0.75rem 0 1rem;
  border-radius: var(--ba-radius);
  overflow: hidden;
  border: 1px solid var(--ba-line);
  background: #1e3a4c;
  aspect-ratio: 4 / 5;
}
.ba-hero__visual .ba-figure__ph,
.ba-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ba-hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}
.ba-cta-mid {
  margin: 0.65rem 0 1rem;
  padding: 0.85rem;
  border-radius: var(--ba-radius);
  background: rgba(47, 111, 87, 0.1);
  border: 1px solid rgba(47, 111, 87, 0.2);
}
.ba-cta-mid__btn { width: 100%; padding: 0.8rem 1rem; }

.ba-card {
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: var(--ba-radius);
  padding: 0.95rem 1rem;
  box-shadow: 0 6px 18px rgba(30, 58, 76, 0.04);
  margin: 0 0 0.75rem;
}
.ba-card h2, .ba-card h3 { margin: 0 0 0.4rem; }
.ba-card p { margin: 0 0 0.55rem; color: var(--ba-muted); font-size: 0.9rem; }
.ba-card p:last-child { margin-bottom: 0; }

.ba-stack { padding: 0.25rem 0 1rem; }
.ba-stack__head {
  margin: 0 0 0.65rem;
}
.ba-stack__head h2 { margin: 0 0 0.25rem; font-size: 1.2rem; }
.ba-stack__head p { margin: 0; color: var(--ba-muted); font-size: 0.86rem; }

/* accordion only motion */
.ba-acc details {
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: var(--ba-radius);
  margin-bottom: 0.55rem;
  overflow: hidden;
}
.ba-acc summary {
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 1rem;
  font-weight: 750;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
}
.ba-acc summary::-webkit-details-marker { display: none; }
.ba-acc summary::after {
  content: "+";
  font-weight: 700;
  color: var(--ba-river);
  transition: transform 0.2s ease;
}
.ba-acc details[open] summary::after {
  content: "–";
}
.ba-acc .ba-acc__body {
  padding: 0 1rem 0.9rem;
  color: var(--ba-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--ba-line);
}
.ba-acc .ba-acc__body > *:first-child { margin-top: 0.65rem; }
@media (prefers-reduced-motion: reduce) {
  .ba-acc summary::after { transition: none; }
}

.ba-news-list { display: flex; flex-direction: column; gap: 0.65rem; padding-bottom: 0.5rem; }
.ba-news-card {
  display: flex;
  flex-direction: column;
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: var(--ba-radius);
  overflow: hidden;
}
.ba-news-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  background: #1e3a4c;
}
.ba-news-card__media img { width: 100%; height: 100%; object-fit: cover; }
.ba-news-card__body { padding: 0.8rem 0.9rem 0.95rem; }
.ba-news-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  color: var(--ba-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ba-news-card__title { margin: 0 0 0.3rem; font-size: 1.05rem; }
.ba-news-card__title a { color: inherit; text-decoration: none; }
.ba-news-card__excerpt { margin: 0; font-size: 0.88rem; color: var(--ba-muted); }
.ba-news-empty { padding: 1rem; color: var(--ba-muted); }

.ba-pager { padding: 0.5rem 0 1rem; }
.ba-pager__row { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.ba-pager__pages { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.ba-pager__btn, .ba-pager__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.4rem;
  border: 1px solid var(--ba-line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--ba-ink);
  font-size: 0.84rem;
  background: var(--ba-card);
}
.ba-pager__num.is-current { background: var(--ba-river); color: #fff; border-color: var(--ba-river); }
.ba-pager__btn.is-disabled { opacity: 0.35; pointer-events: none; }
.ba-pager__gap { opacity: 0.5; font-size: 0.75rem; align-self: center; }
.ba-pager__status { display: block; margin-top: 0.4rem; font-size: 0.76rem; color: var(--ba-muted); }

.ba-page { padding: 0.85rem 0 1.25rem; }
.ba-crumb { font-size: 0.76rem; color: var(--ba-muted); margin: 0 0 0.55rem; }
.ba-crumb a { color: inherit; }
.ba-title { margin: 0 0 0.5rem; font-size: 1.45rem; }
.ba-lead { margin: 0 0 0.9rem; color: var(--ba-muted); font-size: 0.92rem; }
.ba-prose p, .ba-prose li { font-size: 0.93rem; }
.ba-prose ol, .ba-prose ul { padding-left: 1.15rem; }
.ba-prose li + li { margin-top: 0.35rem; }
.ba-figure {
  margin: 0 0 0.95rem;
  border-radius: var(--ba-radius);
  overflow: hidden;
  border: 1px solid var(--ba-line);
  background: var(--ba-card);
}
.ba-figure__ph {
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(145deg, #1e3a4c, #3d7a92 55%, #c9b59a);
}
.ba-figure figcaption {
  padding: 0.45rem 0.7rem;
  font-size: 0.76rem;
  color: var(--ba-muted);
}

.ba-article__title { margin: 0 0 0.4rem; font-size: 1.4rem; }
.ba-news-lead { margin: 0 0 0.75rem; color: var(--ba-muted); }
.ba-news-hero {
  margin: 0 0 0.9rem;
  border-radius: var(--ba-radius);
  overflow: hidden;
  border: 1px solid var(--ba-line);
}
.ba-news-hero img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* editorial footer: takeaways + editor Q&A */
.ba-takeaways {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border-radius: var(--ba-radius);
  background: rgba(61, 122, 146, 0.08);
  border: 1px solid rgba(61, 122, 146, 0.18);
}
.ba-takeaways h2 { margin: 0 0 0.45rem; font-size: 1.02rem; }
.ba-takeaways ul { margin: 0; padding-left: 1.1rem; }
.ba-takeaways li + li { margin-top: 0.3rem; }
.ba-editor-qa {
  margin: 0.85rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.ba-editor-qa__item {
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: var(--ba-radius);
  padding: 0.75rem 0.85rem;
}
.ba-editor-qa__q {
  margin: 0 0 0.35rem;
  font-weight: 750;
  font-size: 0.9rem;
}
.ba-editor-qa__a {
  margin: 0;
  color: var(--ba-muted);
  font-size: 0.86rem;
}
.ba-editor-qa__label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ba-river);
  margin-bottom: 0.2rem;
}

.ba-news-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin: 0.9rem 0;
}
.ba-news-nav a {
  display: block;
  padding: 0.7rem 0.75rem;
  text-decoration: none;
  color: inherit;
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: 12px;
  font-size: 0.8rem;
}
.ba-news-nav strong { display: block; margin-top: 0.2rem; font-size: 0.88rem; }
.ba-news-related {
  margin: 0.75rem 0 0;
  padding: 0.85rem 0.9rem;
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: var(--ba-radius);
}
.ba-news-related h2 { margin: 0 0 0.45rem; font-size: 0.98rem; }
.ba-news-related ul { margin: 0; padding-left: 1.05rem; }
.ba-news-related li + li { margin-top: 0.28rem; }

.ba-faq details {
  background: var(--ba-card);
  border: 1px solid var(--ba-line);
  border-radius: var(--ba-radius);
  margin-bottom: 0.5rem;
  padding: 0.15rem 0;
}
.ba-faq summary {
  cursor: pointer;
  padding: 0.7rem 0.9rem;
  font-weight: 750;
}
.ba-faq p {
  margin: 0;
  padding: 0 0.9rem 0.8rem;
  color: var(--ba-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--ba-line);
  padding-top: 0.65rem;
}

.ba-foot {
  margin-top: 1.25rem;
  border-top: 1px solid var(--ba-line);
  padding: 1.1rem 0 1.35rem;
  font-size: 0.84rem;
  background: rgba(30, 58, 76, 0.04);
}
.ba-foot__grid { display: grid; gap: 0.9rem; }
.ba-foot__brand { font-family: var(--ba-font-display); font-size: 1.1rem; margin: 0 0 0.3rem; }
.ba-foot h3 { margin: 0 0 0.35rem; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.ba-foot ul { list-style: none; margin: 0; padding: 0; }
.ba-foot li + li { margin-top: 0.25rem; }
.ba-foot a { text-decoration: none; color: var(--ba-ink); }
.ba-foot__meta {
  margin-top: 0.85rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--ba-line);
  color: var(--ba-muted);
  font-size: 0.76rem;
}

.ba-cta-rail {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(0.75rem + var(--ba-safe-bottom));
  z-index: 50;
  width: min(calc(var(--ba-shell) - 1.6rem), calc(100% - 1.6rem));
  pointer-events: none;
}
.ba-cta-rail__btn {
  pointer-events: auto;
  display: flex;
  width: 100%;
  justify-content: center;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(20, 40, 55, 0.22);
}