:root {
  --bb-ink: #0B1412;
  --bb-ink-2: #111C19;
  --bb-panel: #172822;
  --bb-lime: #C6FF3D;
  --bb-lime-deep: #9BE62B;
  --bb-amber: #FFB13B;
  --bb-paper: #E8F0EA;
  --bb-muted: #8FA39A;
  --bb-line: #2E4A40;
  --bb-glow: #61E6C3;
  --bb-white: #F5FAF6;
  --bb-cut: 14px;
  --bb-shell: min(1180px, calc(100vw - 40px));
  --bb-font-display: "Arial Narrow", "Helvetica Neue Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  --bb-font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --bb-font-mono: "IBM Plex Mono", "JetBrains Mono", "Noto Sans Mono", "SFMono-Regular", Consolas, monospace;
  --bb-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --bb-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bb-ink);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--bb-paper);
  background-color: var(--bb-ink);
  background-image:
    radial-gradient(circle at 84% 2%, rgba(97, 230, 195, 0.09), transparent 26rem),
    radial-gradient(circle at 12% 12%, rgba(198, 255, 61, 0.05), transparent 22rem),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(46, 74, 64, 0.14) 79px 80px);
  font-family: var(--bb-font-body);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
select,
textarea {
  font: inherit;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: var(--bb-lime);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

a:hover {
  color: var(--bb-lime-deep);
}

button {
  color: inherit;
}

::selection {
  color: var(--bb-ink);
  background: var(--bb-lime);
}

:focus-visible {
  outline: 2px solid var(--bb-lime);
  outline-offset: 4px;
}

.bb-shell {
  width: var(--bb-shell);
  margin-inline: auto;
}

.bb-skip {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--bb-ink);
  background: var(--bb-lime);
  border: 2px solid var(--bb-paper);
  border-radius: 2px;
  font-family: var(--bb-font-mono);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms var(--bb-ease);
}

.bb-skip:focus {
  transform: translateY(0);
}

.bb-site-header {
  position: relative;
  z-index: 20;
  isolation: isolate;
  color: var(--bb-paper);
  background:
    linear-gradient(180deg, rgba(23, 40, 34, 0.58), transparent 42%),
    var(--bb-ink);
  border-bottom: 1px solid var(--bb-line);
}

.bb-site-header::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: min(38vw, 520px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bb-lime));
}

.bb-site-header::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 0;
  bottom: 0;
  width: 22%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bb-glow));
}

.bb-utility {
  border-bottom: 1px solid rgba(46, 74, 64, 0.72);
  background: rgba(11, 20, 18, 0.74);
}

.bb-utility__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
  padding-block: 5px;
}

.bb-utility__locale,
.bb-utility__note {
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bb-utility__locale {
  color: var(--bb-paper);
}

.bb-utility__slash {
  padding-inline: 4px;
  color: var(--bb-lime);
}

.bb-utility__note {
  color: var(--bb-amber);
}

.bb-masthead {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  min-height: 112px;
  padding-block: 18px;
}

.bb-masthead::before,
.bb-masthead::after {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--bb-line), transparent);
  pointer-events: none;
}

.bb-masthead::before {
  left: 0;
}

.bb-masthead::after {
  right: 0;
}

.bb-brand {
  grid-column: 2;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--bb-paper);
  text-decoration: none;
}

.bb-brand:hover {
  color: var(--bb-paper);
}

.bb-brand__mark {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  color: var(--bb-ink);
  background: var(--bb-lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--bb-cut)), calc(100% - var(--bb-cut)) 100%, 0 100%);
  font-family: var(--bb-font-display);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
}

.bb-brand__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.bb-brand__name {
  font-family: var(--bb-font-display);
  font-size: clamp(30px, 3.2vw, 44px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.bb-brand__tag {
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bb-status {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--bb-line);
  background: rgba(23, 40, 34, 0.82);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.bb-status__lamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bb-amber);
  box-shadow: 0 0 0 4px rgba(255, 177, 59, 0.12), 0 0 18px rgba(255, 177, 59, 0.7);
  animation: bb-breathe 2.8s ease-in-out infinite;
}

.bb-status__copy {
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.bb-status__copy strong {
  color: var(--bb-amber);
  font-weight: 700;
}

.bb-nav-toggle {
  grid-column: 3;
  justify-self: end;
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 9px 12px;
  color: var(--bb-paper);
  background: var(--bb-panel);
  border: 1px solid var(--bb-line);
  border-radius: 0;
  cursor: pointer;
}

.bb-nav-toggle__icon {
  display: grid;
  gap: 4px;
  width: 18px;
}

.bb-nav-toggle__line {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--bb-lime);
  transition: transform 180ms var(--bb-ease), opacity 180ms var(--bb-ease);
}

.bb-nav-toggle__label {
  font-family: var(--bb-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.bb-nav-toggle[aria-expanded="true"] .bb-nav-toggle__line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.bb-nav-toggle[aria-expanded="true"] .bb-nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.bb-nav-toggle[aria-expanded="true"] .bb-nav-toggle__line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.bb-nav {
  position: relative;
  border-top: 1px solid var(--bb-line);
}

.bb-nav::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: 42px;
  height: 2px;
  background: var(--bb-lime);
  transform: translateX(-50%);
}

.bb-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(10px, 2.4vw, 28px);
  margin: 0;
  padding: 10px 0;
  list-style: none;
}

.bb-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  color: var(--bb-muted);
  font-family: var(--bb-font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 180ms var(--bb-ease);
}

.bb-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 2px;
  background: var(--bb-lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms var(--bb-ease);
}

.bb-nav__link:hover,
.bb-nav__link[aria-current="page"] {
  color: var(--bb-paper);
}

.bb-nav__link:hover::after,
.bb-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.bb-nav__link[aria-current="page"] {
  color: var(--bb-lime);
}

.bb-quickbar {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(198, 255, 61, 0.12), transparent 48%),
    linear-gradient(90deg, rgba(97, 230, 195, 0.06), transparent 72%),
    var(--bb-ink-2);
  border-top: 1px solid rgba(198, 255, 61, 0.24);
  border-bottom: 1px solid var(--bb-line);
}

.bb-quickbar::after {
  content: "";
  position: absolute;
  top: -20px;
  right: 10%;
  width: 210px;
  height: 48px;
  border-top: 1px solid rgba(198, 255, 61, 0.36);
  transform: rotate(-8deg);
  pointer-events: none;
}

.bb-quickbar__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 50px;
  padding-block: 8px;
}

.bb-quickbar__label {
  flex: 0 0 auto;
  padding-right: 14px;
  color: var(--bb-amber);
  border-right: 1px solid var(--bb-line);
  font-family: var(--bb-font-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.bb-quickbar__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.bb-quickbar__link {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 12px;
  color: var(--bb-paper);
  background: rgba(23, 40, 34, 0.7);
  border-left: 2px solid var(--bb-lime);
  font-family: var(--bb-font-body);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  transition: color 160ms var(--bb-ease), background 160ms var(--bb-ease), transform 160ms var(--bb-ease);
}

.bb-quickbar__link:hover {
  color: var(--bb-ink);
  background: var(--bb-lime);
  transform: translateX(2px);
}

.bb-footer {
  position: relative;
  margin-top: 72px;
  color: var(--bb-paper);
  background:
    radial-gradient(circle at 14% 0, rgba(97, 230, 195, 0.08), transparent 26rem),
    linear-gradient(180deg, var(--bb-ink-2), var(--bb-ink));
  border-top: 1px solid var(--bb-line);
}

.bb-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 25%;
  height: 2px;
  background: linear-gradient(90deg, var(--bb-lime), transparent);
}

.bb-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.15fr 1fr;
  gap: clamp(22px, 4vw, 52px);
  padding-block: clamp(38px, 6vw, 68px) 38px;
}

.bb-footer__brand,
.bb-footer__block {
  min-width: 0;
}

.bb-footer__crest {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--bb-ink);
  background: var(--bb-lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  font-family: var(--bb-font-display);
  font-size: 25px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
  text-decoration: none;
}

.bb-footer__crest:hover {
  color: var(--bb-ink);
  background: var(--bb-lime-deep);
}

.bb-footer__name {
  margin: 14px 0 6px;
  font-family: var(--bb-font-display);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.bb-footer__note {
  max-width: 28em;
  margin: 0 0 16px;
  color: var(--bb-muted);
  font-size: 14px;
  line-height: 1.75;
}

.bb-footer__legal {
  margin: 0;
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.bb-footer__title {
  margin: 0 0 16px;
  color: var(--bb-lime);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bb-footer__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bb-footer__list--columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 12px;
}

.bb-footer__link {
  color: var(--bb-paper);
  font-size: 13px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--bb-ease), border-color 160ms var(--bb-ease);
}

.bb-footer__link:hover {
  color: var(--bb-lime);
  border-bottom-color: var(--bb-lime);
}

.bb-footer__contact {
  color: var(--bb-muted);
  font-size: 13px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.bb-footer__text {
  max-width: 25em;
  margin: 0 0 18px;
  color: var(--bb-muted);
  font-size: 14px;
  line-height: 1.75;
}

.bb-footer__cta {
  margin-top: 2px;
}

.bb-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 18px 24px;
  border-top: 1px solid var(--bb-line);
}

.bb-footer__rhythm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.bb-rhythm-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bb-amber);
  box-shadow: 0 0 0 4px rgba(255, 177, 59, 0.1);
}

.bb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--bb-font-body);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background 160ms var(--bb-ease), color 160ms var(--bb-ease), transform 160ms var(--bb-ease), border-color 160ms var(--bb-ease);
}

.bb-btn:hover {
  transform: translateY(-1px);
}

.bb-btn--primary {
  color: var(--bb-ink);
  background: var(--bb-lime);
  border-color: var(--bb-lime);
}

.bb-btn--primary:hover {
  color: var(--bb-ink);
  background: var(--bb-lime-deep);
  border-color: var(--bb-lime-deep);
}

.bb-btn--ghost {
  color: var(--bb-paper);
  background: transparent;
  border-color: var(--bb-line);
}

.bb-btn--ghost:hover {
  color: var(--bb-lime);
  border-color: var(--bb-lime);
  background: rgba(198, 255, 61, 0.06);
}

.bb-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 24px 0;
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.bb-breadcrumb a {
  color: var(--bb-muted);
  text-decoration: none;
}

.bb-breadcrumb a:hover {
  color: var(--bb-lime);
}

.bb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--bb-amber);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bb-section-title {
  margin: 0;
  color: var(--bb-paper);
  font-family: var(--bb-font-display);
  font-size: clamp(28px, 4vw, 54px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.bb-lede {
  max-width: 38em;
  margin: 0;
  color: var(--bb-muted);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
}

.bb-meta {
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.bb-grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
}

.bb-grid--asymmetric {
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
}

.bb-panel {
  padding: clamp(18px, 3vw, 30px);
  background: var(--bb-panel);
  border: 1px solid var(--bb-line);
}

.bb-panel--cut {
  clip-path: polygon(0 0, calc(100% - var(--bb-cut)) 0, 100% var(--bb-cut), 100% 100%, var(--bb-cut) 100%, 0 calc(100% - var(--bb-cut)));
}

.bb-index-card {
  position: relative;
  display: block;
  padding: clamp(16px, 2.4vw, 24px);
  color: var(--bb-paper);
  background: rgba(23, 40, 34, 0.82);
  border: 1px solid var(--bb-line);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform 180ms var(--bb-ease), border-color 180ms var(--bb-ease), background 180ms var(--bb-ease);
}

.bb-index-card::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 14px;
  width: 34px;
  height: 1px;
  background: var(--bb-lime);
  transform: rotate(-36deg) scaleX(0);
  transform-origin: right;
  transition: transform 180ms var(--bb-ease);
}

.bb-index-card:hover {
  color: var(--bb-paper);
  background: rgba(23, 40, 34, 1);
  border-color: var(--bb-lime);
  transform: translateY(-3px);
}

.bb-index-card:hover::after {
  transform: rotate(-36deg) scaleX(1);
}

.bb-index-card__number {
  display: block;
  margin-bottom: 24px;
  color: var(--bb-lime);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.bb-index-card__title {
  display: block;
  margin-bottom: 8px;
  font-family: var(--bb-font-display);
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.bb-index-card__text {
  display: block;
  color: var(--bb-muted);
  font-size: 13px;
  line-height: 1.7;
}

.bb-accordion {
  border-top: 1px solid var(--bb-line);
}

.bb-accordion__item {
  border-bottom: 1px solid var(--bb-line);
}

.bb-accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  color: var(--bb-paper);
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.bb-accordion__trigger::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--bb-lime);
  font-family: var(--bb-font-mono);
  font-size: 18px;
}

.bb-accordion__trigger[aria-expanded="true"]::after {
  content: "−";
}

.bb-accordion__panel {
  padding-bottom: 20px;
  color: var(--bb-muted);
  font-size: 14px;
  line-height: 1.8;
}

.bb-accordion__panel[hidden] {
  display: none;
}

.bb-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  color: var(--bb-ink);
  background: var(--bb-lime);
  font-family: var(--bb-font-mono);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bb-tag--amber {
  background: var(--bb-amber);
}

.bb-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(198, 255, 61, 0.1), transparent 42%),
    repeating-linear-gradient(90deg, transparent 0 59px, rgba(46, 74, 64, 0.35) 59px 60px),
    var(--bb-panel);
  border: 1px solid var(--bb-line);
}

.bb-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.12);
}

.bb-media__caption {
  margin: 8px 0 0;
  color: var(--bb-muted);
  font-family: var(--bb-font-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.bb-prose {
  max-width: 42em;
}

.bb-prose p {
  margin: 0 0 1.1em;
}

.bb-prose h2,
.bb-prose h3 {
  margin: 1.8em 0 0.6em;
  color: var(--bb-paper);
  font-family: var(--bb-font-display);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.bb-prose h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.bb-prose h3 {
  font-size: clamp(18px, 2vw, 22px);
}

.bb-rule {
  height: 1px;
  margin-block: clamp(28px, 5vw, 54px);
  background: linear-gradient(90deg, var(--bb-lime), var(--bb-line) 28%, transparent 82%);
}

@keyframes bb-breathe {
  0%,
  100% {
    opacity: 0.65;
    box-shadow: 0 0 0 4px rgba(255, 177, 59, 0.1), 0 0 12px rgba(255, 177, 59, 0.4);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 0 6px rgba(255, 177, 59, 0.16), 0 0 22px rgba(255, 177, 59, 0.8);
  }
}

@media (max-width: 980px) {
  .bb-footer__grid {
    grid-template-columns: 1.2fr 1fr 1.2fr;
  }

  .bb-footer__block:last-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 12px 24px;
    padding-top: 24px;
    border-top: 1px solid var(--bb-line);
  }

  .bb-footer__block:last-child .bb-footer__title,
  .bb-footer__block:last-child .bb-footer__text {
    grid-column: 1;
  }

  .bb-footer__block:last-child .bb-footer__cta {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: center;
  }
}

@media (max-width: 860px) {
  :root {
    --bb-shell: calc(100vw - 28px);
  }

  .bb-utility__note {
    display: none;
  }

  .bb-masthead {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 86px;
    padding-block: 14px;
  }

  .bb-masthead::before,
  .bb-masthead::after {
    display: none;
  }

  .bb-brand {
    grid-column: 1;
    justify-self: start;
    gap: 10px;
  }

  .bb-brand__mark {
    width: 48px;
    height: 48px;
    font-size: 25px;
  }

  .bb-brand__name {
    font-size: 28px;
  }

  .bb-brand__tag {
    display: none;
  }

  .bb-status {
    display: none;
  }

  .bb-nav-toggle {
    display: inline-flex;
  }

  .bb-nav {
    display: none;
    border-top: 1px solid var(--bb-line);
    padding-bottom: 12px;
  }

  .bb-nav[data-open="true"] {
    display: block;
  }

  .bb-nav::before {
    left: 0;
    transform: none;
  }

  .bb-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
  }

  .bb-nav__list li + li {
    border-top: 1px solid rgba(46, 74, 64, 0.65);
  }

  .bb-nav__link {
    display: block;
    padding: 14px 4px;
    font-size: 18px;
  }

  .bb-nav__link::after {
    bottom: 9px;
    right: auto;
    width: 28px;
  }

  .bb-nav__link[aria-current="page"] {
    padding-left: 10px;
    background: rgba(198, 255, 61, 0.07);
  }

  .bb-quickbar__inner {
    align-items: flex-start;
    gap: 10px;
    min-height: 0;
    padding-block: 10px;
  }

  .bb-quickbar__label {
    padding-top: 6px;
    padding-right: 10px;
    font-size: 9px;
    writing-mode: vertical-rl;
    border-right: 1px solid var(--bb-line);
  }

  .bb-quickbar__links {
    gap: 6px;
  }

  .bb-quickbar__link {
    min-height: 28px;
    padding: 3px 9px;
    font-size: 12px;
  }

  .bb-grid--asymmetric {
    grid-template-columns: 1fr;
  }

  .bb-footer {
    margin-top: 52px;
  }

  .bb-footer__grid {
    grid-template-columns: 1fr 1fr;
    padding-block: 38px 28px;
  }

  .bb-footer__brand {
    grid-column: 1 / -1;
  }

  .bb-footer__block:last-child {
    grid-column: 1 / -1;
  }

  .bb-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .bb-utility__locale,
  .bb-utility__note {
    font-size: 10px;
    letter-spacing: 0.06em;
  }

  .bb-masthead {
    gap: 10px;
  }

  .bb-brand__mark {
    width: 42px;
    height: 42px;
    font-size: 22px;
  }

  .bb-brand__name {
    font-size: 25px;
  }

  .bb-nav-toggle {
    min-height: 38px;
    padding: 7px 9px;
  }

  .bb-quickbar__inner {
    flex-direction: column;
    gap: 8px;
  }

  .bb-quickbar__label {
    writing-mode: initial;
    padding: 0;
    border-right: 0;
  }

  .bb-quickbar__links {
    width: 100%;
  }

  .bb-quickbar__link {
    flex: 1 1 calc(50% - 6px);
    justify-content: center;
  }

  .bb-footer__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .bb-footer__brand,
  .bb-footer__block,
  .bb-footer__block:last-child {
    grid-column: auto;
  }

  .bb-footer__block:last-child {
    display: block;
    padding-top: 20px;
  }

  .bb-footer__list--columns {
    grid-template-columns: 1fr;
  }

  .bb-footer__block:last-child .bb-footer__cta {
    margin-top: 4px;
  }

  .bb-section-title {
    font-size: clamp(27px, 9vw, 40px);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .bb-status__lamp {
    animation: none;
  }
}