/* ============================================================
   ok bet meaning - mobile palette stylesheet
   File: css/ok-bet-meaning-palette-b05404.css
   Class prefix: mobileb0540-
   Palette: #008B8B / #0D1117 / #004D40 / #9AFF9A / #20B2AA
   Design: humanist serif headings + clear sans body,
           small-radius high density, mixed spotlight/mini game
           cards, square high-contrast CTAs, glow only on CTAs.
   ============================================================ */

/* ---------- design tokens ---------- */
:root {
  --mobileb0540-bg: #0D1117;
  --mobileb0540-panel: #004D40;
  --mobileb0540-teal: #008B8B;
  --mobileb0540-sea: #20B2AA;
  --mobileb0540-mint: #9AFF9A;
  --mobileb0540-ink: #062120;
  --mobileb0540-shell: #011b17;
  --mobileb0540-line: rgba(0, 139, 139, 0.42);
  --mobileb0540-text: #c9ece4;
  --mobileb0540-dim: rgba(201, 236, 228, 0.68);
  --mobileb0540-font-head: Georgia, "Palatino Linotype", "Times New Roman", serif;
  --mobileb0540-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mobileb0540-radius-s: 4px;
  --mobileb0540-radius-m: 6px;
  --mobileb0540-tap: 44px;
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  max-width: 430px; /* phone canvas stays centered on wide screens */
  margin: 0 auto;
  background: var(--mobileb0540-bg);
  color: var(--mobileb0540-text);
  font-family: var(--mobileb0540-font-body);
  font-size: 14px;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

img { display: block; max-width: 100%; border: 0; }

button { font-family: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

a { color: var(--mobileb0540-sea); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--mobileb0540-mint); outline-offset: 2px; }

/* wide-screen framing: keep the same phone canvas experience */
@media (min-width: 431px) {
  body {
    box-shadow: 0 0 0 1px var(--mobileb0540-line), 0 0 44px rgba(0, 139, 139, 0.28);
    min-height: 100vh;
  }
}

/* fine tuning inside the phone canvas itself */
@media (max-width: 430px) {
  .mobileb0540-brandname { font-size: 16px; }
  .mobileb0540-spot-name { font-size: 16px; }
}

/* ---------- top bar (edge aligned functional header) ---------- */
.mobileb0540-topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 58px;
  padding: 7px 10px;
  background: linear-gradient(180deg, #032b25 0%, var(--mobileb0540-bg) 100%);
  border-bottom: 1px solid var(--mobileb0540-line);
}

.mobileb0540-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  text-decoration: none;
}

.mobileb0540-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--mobileb0540-radius-s);
  border: 1px solid rgba(154, 255, 154, 0.35);
  flex: 0 0 auto;
}

.mobileb0540-brandname {
  font-family: var(--mobileb0540-font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--mobileb0540-mint);
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.mobileb0540-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

/* square high-contrast CTA pair */
.mobileb0540-btn-solid,
.mobileb0540-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--mobileb0540-tap);
  padding: 8px 12px;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.mobileb0540-btn-solid {
  background: var(--mobileb0540-mint);
  color: var(--mobileb0540-ink);
}

.mobileb0540-btn-ghost {
  border: 1px solid var(--mobileb0540-sea);
  color: var(--mobileb0540-sea);
  padding: 8px 11px;
}

/* glow feedback reserved for key CTAs only */
.mobileb0540-btn-solid:active,
.mobileb0540-cta-btn:active,
.mobileb0540-bn-orb:active {
  box-shadow: 0 0 0 2px rgba(154, 255, 154, 0.4), 0 0 16px rgba(154, 255, 154, 0.5);
  transform: translateY(1px);
}

.mobileb0540-btn-ghost:active {
  box-shadow: 0 0 0 2px rgba(32, 178, 170, 0.35), 0 0 12px rgba(32, 178, 170, 0.4);
  transform: translateY(1px);
}

/* menu trigger */
.mobileb0540-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  min-height: 42px;
  border: 1px solid var(--mobileb0540-line);
  border-radius: var(--mobileb0540-radius-s);
  color: var(--mobileb0540-mint);
}

.mobileb0540-menu-btn svg { width: 20px; height: 20px; fill: currentColor; }

/* ---------- layered dropdown menu ---------- */
.mobileb0540-drop {
  position: absolute;
  top: 100%;
  right: 0;
  width: min(84vw, 332px);
  max-height: 0;
  overflow: hidden;
  background: #02241f;
  border: 1px solid transparent;
  border-radius: 0 0 var(--mobileb0540-radius-m) var(--mobileb0540-radius-m);
  transition: max-height 0.28s ease, border-color 0.28s ease;
  z-index: 55;
}

.mobileb0540-topbar { position: sticky; }
.mobileb0540-drop.mobileb0540-is-open {
  max-height: 620px;
  border-color: var(--mobileb0540-line);
  box-shadow: 0 16px 26px rgba(0, 0, 0, 0.5);
}

.mobileb0540-dropgroup { padding: 6px 0; }
.mobileb0540-dropgroup + .mobileb0540-dropgroup { border-top: 1px dashed rgba(0, 139, 139, 0.3); }

.mobileb0540-droplabel {
  padding: 7px 14px 3px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: rgba(154, 255, 154, 0.62);
}

.mobileb0540-dropitem {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: var(--mobileb0540-tap);
  padding: 9px 14px;
  color: var(--mobileb0540-text);
  font-size: 13.5px;
}

.mobileb0540-dropitem:active { background: rgba(0, 139, 139, 0.18); }

.mobileb0540-dropitem span:first-child { flex: 1 1 auto; }

.mobileb0540-dropitem svg {
  width: 13px;
  height: 13px;
  fill: rgba(32, 178, 170, 0.75);
  flex: 0 0 auto;
}

/* ---------- hero carousel ---------- */
.mobileb0540-hero {
  position: relative;
  margin: 10px 10px 0;
  aspect-ratio: 5 / 2;
  overflow: hidden;
  border-radius: var(--mobileb0540-radius-m);
  border: 1px solid var(--mobileb0540-line);
  background: #02241f;
}

.mobileb0540-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.mobileb0540-slide.mobileb0540-is-on { opacity: 1; }

.mobileb0540-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobileb0540-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 7px;
  display: flex;
  justify-content: center;
  gap: 7px;
}

.mobileb0540-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: rgba(201, 236, 228, 0.35);
  transition: background 0.25s ease, transform 0.25s ease;
}

.mobileb0540-dot.mobileb0540-dot-on {
  background: var(--mobileb0540-mint);
  transform: scale(1.25);
}

/* ---------- main content ---------- */
.mobileb0540-main {
  padding: 14px 12px calc(104px + env(safe-area-inset-bottom, 0px));
}

/* lead block: intro-first information rhythm */
.mobileb0540-kicker {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 8px;
  border-left: 3px solid var(--mobileb0540-sea);
  background: rgba(0, 77, 64, 0.5);
  color: var(--mobileb0540-mint);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  border-radius: 0 var(--mobileb0540-radius-s) var(--mobileb0540-radius-s) 0;
}

.mobileb0540-h1 {
  font-family: var(--mobileb0540-font-head);
  font-size: 24px;
  line-height: 1.28;
  color: #eafff2;
  margin-bottom: 10px;
}

.mobileb0540-lead p { margin-bottom: 10px; }

.mobileb0540-k { color: var(--mobileb0540-mint); font-weight: 600; }

/* inline promo text link styled as a real sentence link */
.mobileb0540-textlink {
  display: inline;
  padding: 0 1px;
  color: var(--mobileb0540-mint);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mobileb0540-textlink:active { text-shadow: 0 0 10px rgba(154, 255, 154, 0.65); }

/* ---------- content sections ---------- */
.mobileb0540-sec { margin-top: 20px; }

.mobileb0540-h2 {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mobileb0540-font-head);
  font-size: 18.5px;
  line-height: 1.32;
  color: #eafff2;
  margin-bottom: 9px;
}

.mobileb0540-h2::before {
  content: "";
  flex: 0 0 4px;
  width: 4px;
  height: 15px;
  align-self: center;
  background: var(--mobileb0540-sea);
  border-radius: 1px;
}

.mobileb0540-sec > p { margin-bottom: 10px; }

.mobileb0540-h3 {
  font-family: var(--mobileb0540-font-head);
  font-size: 15.5px;
  color: var(--mobileb0540-mint);
  margin: 14px 0 6px;
}

/* ---------- game category blocks ---------- */
.mobileb0540-catsec { margin-top: 18px; }

.mobileb0540-cathead {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: linear-gradient(90deg, rgba(0, 77, 64, 0.85), rgba(0, 77, 64, 0.12));
  border: 1px solid var(--mobileb0540-line);
  border-radius: var(--mobileb0540-radius-s);
  margin-bottom: 9px;
}

.mobileb0540-catname {
  font-family: var(--mobileb0540-font-head);
  font-size: 16px;
  color: #eafff2;
  flex: 1 1 auto;
}

.mobileb0540-cattag {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid rgba(154, 255, 154, 0.4);
  border-radius: 2px;
  color: var(--mobileb0540-mint);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.mobileb0540-catintro { font-size: 13px; color: var(--mobileb0540-dim); margin-bottom: 10px; }

/* mixed card system: one wide spotlight card + compact mini grid */
.mobileb0540-spot {
  display: flex;
  gap: 10px;
  width: 100%;
  margin-bottom: 9px;
  padding: 9px;
  background: linear-gradient(135deg, #013830 0%, #02241f 70%);
  border: 1px solid rgba(32, 178, 170, 0.5);
  border-radius: var(--mobileb0540-radius-m);
  text-align: left;
}

.mobileb0540-spot-thumb {
  flex: 0 0 86px;
  width: 86px;
}

.mobileb0540-spot-thumb img {
  width: 86px;
  height: 86px;
  border-radius: var(--mobileb0540-radius-s);
  border: 1px solid rgba(154, 255, 154, 0.28);
  object-fit: cover;
}

.mobileb0540-spot-body { flex: 1 1 auto; min-width: 0; }

.mobileb0540-spot-badge {
  display: inline-block;
  margin-bottom: 3px;
  padding: 2px 6px;
  background: rgba(154, 255, 154, 0.14);
  border: 1px solid rgba(154, 255, 154, 0.4);
  border-radius: 2px;
  color: var(--mobileb0540-mint);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}

.mobileb0540-spot-name {
  font-family: var(--mobileb0540-font-head);
  font-size: 17px;
  color: #eafff2;
  line-height: 1.25;
  margin-bottom: 4px;
}

.mobileb0540-spot-desc { font-size: 11.8px; line-height: 1.5; color: var(--mobileb0540-dim); }

.mobileb0540-spot-go {
  margin-top: 6px;
  color: var(--mobileb0540-sea);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* compact game grid: 4 columns at 320px, 5 columns on wider phones */
.mobileb0540-ggrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px 6px;
}

@media (min-width: 400px) {
  .mobileb0540-ggrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

.mobileb0540-gcard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
  text-align: center;
}

.mobileb0540-gthumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--mobileb0540-radius-s);
  overflow: hidden;
  border: 1px solid rgba(0, 139, 139, 0.4);
  background: #02241f;
}

.mobileb0540-gthumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobileb0540-gname {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  width: 100%;
  font-size: 10.8px;
  line-height: 1.3;
  color: var(--mobileb0540-text);
  overflow-wrap: break-word;
  word-break: break-word;
}

/* touch cards keep an honest target even though tiles are small */
.mobileb0540-gcard { padding: 2px 0 4px; }
.mobileb0540-gcard .mobileb0540-gthumb { box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35); }

/* ---------- FAQ accordion ---------- */
.mobileb0540-faq { border: 1px solid var(--mobileb0540-line); border-radius: var(--mobileb0540-radius-m); overflow: hidden; }

.mobileb0540-faq-item + .mobileb0540-faq-item { border-top: 1px solid rgba(0, 139, 139, 0.25); }

.mobileb0540-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: var(--mobileb0540-tap);
  padding: 11px 12px;
  font-family: var(--mobileb0540-font-head);
  font-size: 14px;
  line-height: 1.4;
  color: #eafff2;
  text-align: left;
  list-style: none;
  cursor: pointer;
}

.mobileb0540-faq-q::-webkit-details-marker { display: none; }

.mobileb0540-faq-q::after {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(154, 255, 154, 0.45);
  border-radius: 2px;
  color: var(--mobileb0540-mint);
  font-family: var(--mobileb0540-font-body);
  font-size: 14px;
  font-weight: 700;
}

.mobileb0540-faq-item[open] .mobileb0540-faq-q::after { content: "\2212"; }

.mobileb0540-faq-a {
  padding: 0 12px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mobileb0540-dim);
}

.mobileb0540-faq-a p + p { margin-top: 7px; }

/* ---------- checklists ---------- */
.mobileb0540-checkgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 10px 0;
}

.mobileb0540-checkitem {
  display: flex;
  gap: 7px;
  padding: 9px 10px;
  background: rgba(0, 77, 64, 0.32);
  border: 1px solid rgba(0, 139, 139, 0.35);
  border-radius: var(--mobileb0540-radius-s);
  font-size: 12px;
  line-height: 1.5;
}

.mobileb0540-checkitem::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: 5px;
  background: var(--mobileb0540-mint);
  border-radius: 1px;
}

/* ---------- play style comparison rows ---------- */
.mobileb0540-stylerow {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 9px;
  padding: 10px;
  margin-bottom: 8px;
  background: rgba(2, 36, 31, 0.7);
  border: 1px solid rgba(0, 139, 139, 0.35);
  border-radius: var(--mobileb0540-radius-s);
}

.mobileb0540-stylename {
  font-family: var(--mobileb0540-font-head);
  font-size: 13.5px;
  color: var(--mobileb0540-mint);
  line-height: 1.35;
}

.mobileb0540-stylebody { font-size: 12.5px; line-height: 1.55; color: var(--mobileb0540-dim); }

.mobileb0540-stylebody b { color: var(--mobileb0540-text); font-weight: 700; }

/* ---------- pros and limitations ---------- */
.mobileb0540-pcgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 10px;
}

.mobileb0540-pccol {
  padding: 11px 11px 7px;
  border-radius: var(--mobileb0540-radius-s);
  border: 1px solid var(--mobileb0540-line);
}

.mobileb0540-pccol-good { background: rgba(0, 77, 64, 0.4); }
.mobileb0540-pccol-hold { background: rgba(13, 17, 23, 0.7); }

.mobileb0540-pctitle {
  font-family: var(--mobileb0540-font-head);
  font-size: 14px;
  color: var(--mobileb0540-mint);
  margin-bottom: 7px;
}

.mobileb0540-pcli {
  position: relative;
  padding: 0 0 0 14px;
  margin-bottom: 7px;
  font-size: 12.2px;
  line-height: 1.5;
  color: var(--mobileb0540-dim);
}

.mobileb0540-pcgood .mobileb0540-pcli::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--mobileb0540-mint);
  font-weight: 700;
}

.mobileb0540-pchold .mobileb0540-pcli::before {
  content: "\2013";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--mobileb0540-sea);
  font-weight: 700;
}

/* ---------- CTA band ---------- */
.mobileb0540-ctaband {
  margin-top: 22px;
  padding: 15px 13px;
  background: linear-gradient(150deg, #014d40 0%, #01241f 75%);
  border: 1px solid rgba(154, 255, 154, 0.35);
  border-radius: var(--mobileb0540-radius-m);
  text-align: center;
}

.mobileb0540-ctatitle {
  font-family: var(--mobileb0540-font-head);
  font-size: 18px;
  color: #eafff2;
  margin-bottom: 5px;
}

.mobileb0540-ctaband p { font-size: 12.8px; color: var(--mobileb0540-dim); margin-bottom: 12px; }

.mobileb0540-ctarow { display: flex; flex-direction: column; gap: 8px; }

.mobileb0540-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 48px;
  border-radius: 2px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.mobileb0540-cta-main { background: var(--mobileb0540-mint); color: var(--mobileb0540-ink); }

.mobileb0540-cta-alt { border: 1.5px solid var(--mobileb0540-sea); color: var(--mobileb0540-sea); }

.mobileb0540-cta-btn svg { width: 15px; height: 15px; fill: currentColor; }

/* ---------- extended footer (home only) ---------- */
.mobileb0540-xfooter {
  margin-top: 26px;
  padding: 15px 12px 10px;
  background: #012019;
  border-top: 1px solid var(--mobileb0540-line);
  border-radius: var(--mobileb0540-radius-m) var(--mobileb0540-radius-m) 0 0;
}

.mobileb0540-xf-brand { margin-bottom: 12px; }

.mobileb0540-xf-brand p { font-size: 12.6px; color: var(--mobileb0540-dim); }

.mobileb0540-xf-h {
  font-family: var(--mobileb0540-font-head);
  font-size: 14.5px;
  color: var(--mobileb0540-mint);
  margin: 14px 0 7px;
}

/* two-column page directory */
.mobileb0540-dirgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 10px;
}

.mobileb0540-dirlink {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 4px 0;
  font-size: 12.4px;
  color: var(--mobileb0540-text);
  border-bottom: 1px dotted rgba(0, 139, 139, 0.28);
}

.mobileb0540-dirlink::before {
  content: "";
  flex: 0 0 5px;
  width: 5px;
  height: 5px;
  background: rgba(32, 178, 170, 0.8);
  border-radius: 1px;
}

/* five descriptive promotion actions */
.mobileb0540-promos { display: flex; flex-direction: column; gap: 7px; }

.mobileb0540-promo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
  min-height: 46px;
  padding: 9px 11px;
  background: rgba(0, 77, 64, 0.42);
  border: 1px solid rgba(32, 178, 170, 0.5);
  border-radius: 2px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #eafff2;
}

.mobileb0540-promo-item:active {
  border-color: var(--mobileb0540-mint);
  box-shadow: 0 0 12px rgba(154, 255, 154, 0.35);
}

.mobileb0540-promo-item em {
  font-style: normal;
  display: block;
  font-size: 10.8px;
  font-weight: 400;
  color: var(--mobileb0540-dim);
}

.mobileb0540-promo-item svg { width: 13px; height: 13px; fill: var(--mobileb0540-mint); flex: 0 0 auto; }

/* conditional disclaimer */
.mobileb0540-xf-note {
  margin-top: 13px;
  padding: 10px 11px;
  border-left: 3px solid rgba(32, 178, 170, 0.6);
  background: rgba(13, 17, 23, 0.6);
  border-radius: 0 var(--mobileb0540-radius-s) var(--mobileb0540-radius-s) 0;
  font-size: 11.4px;
  line-height: 1.6;
  color: rgba(201, 236, 228, 0.6);
}

/* ---------- common footer ---------- */
.mobileb0540-footer {
  padding: 13px 12px 10px;
  text-align: center;
  font-size: 11.3px;
  color: rgba(201, 236, 228, 0.55);
  border-top: 1px solid rgba(0, 139, 139, 0.25);
}

/* ---------- bottom navigation (center-raised dock) ---------- */
.mobileb0540-bottomnav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 70;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: end;
  min-height: 62px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(1, 27, 23, 0.94);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--mobileb0540-line);
}

.mobileb0540-bn-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  min-height: 54px;
  padding: 6px 2px 5px;
  color: rgba(201, 236, 228, 0.62); /* restrained inactive state */
}

.mobileb0540-bn-item svg { width: 21px; height: 21px; fill: currentColor; }

.mobileb0540-bn-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.25px;
  line-height: 1.2;
}

/* active state = label emphasis */
.mobileb0540-bn-item.mobileb0540-bn-on { color: var(--mobileb0540-mint); }

.mobileb0540-bn-item.mobileb0540-bn-on .mobileb0540-bn-label {
  font-weight: 800;
  color: var(--mobileb0540-mint);
}

.mobileb0540-bn-item.mobileb0540-bn-on::before {
  content: "";
  width: 18px;
  height: 3px;
  margin-bottom: 1px;
  background: var(--mobileb0540-mint);
  border-radius: 0 0 2px 2px;
}

/* center raised promo orb */
.mobileb0540-bn-center { position: relative; }

.mobileb0540-bn-orb {
  position: absolute;
  left: 50%;
  top: -24px;
  transform: translateX(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #9AFF9A 0%, #20B2AA 100%);
  color: var(--mobileb0540-ink);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45), 0 0 0 4px rgba(1, 27, 23, 0.95);
}

.mobileb0540-bn-orb svg { width: 24px; height: 24px; fill: currentColor; }

.mobileb0540-bn-center .mobileb0540-bn-item { padding-top: 26px; }

/* ---------- features guide branches and FAQ reading rails ---------- */
.mobileb0540-branchgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  margin-top: 10px;
}

.mobileb0540-branch {
  padding: 11px 12px 10px;
  background: linear-gradient(135deg, rgba(0, 77, 64, 0.48), rgba(2, 36, 31, 0.72));
  border-left: 3px solid var(--mobileb0540-sea);
  border-radius: 0 var(--mobileb0540-radius-s) var(--mobileb0540-radius-s) 0;
}

.mobileb0540-branchtag,
.mobileb0540-callouttitle,
.mobileb0540-answerlabel {
  color: var(--mobileb0540-mint);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.mobileb0540-branch .mobileb0540-h3 { margin-top: 5px; }
.mobileb0540-branch p:last-child { color: var(--mobileb0540-dim); font-size: 12.3px; }

.mobileb0540-steprail { margin-top: 10px; }

.mobileb0540-step {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(0, 139, 139, 0.3);
}

.mobileb0540-step:last-child { border-bottom: 1px solid rgba(0, 139, 139, 0.3); }
.mobileb0540-stepnum,
.mobileb0540-mistakenum,
.mobileb0540-nextmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--mobileb0540-teal);
  color: #eafff2;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  border-radius: 2px;
}
.mobileb0540-step .mobileb0540-h3 { margin: 0 0 4px; }
.mobileb0540-step p { color: var(--mobileb0540-dim); font-size: 12.4px; }

.mobileb0540-callout {
  margin-top: 12px;
  padding: 11px 12px;
  background: rgba(154, 255, 154, 0.08);
  border: 1px solid rgba(154, 255, 154, 0.35);
  border-radius: var(--mobileb0540-radius-s);
}
.mobileb0540-callout p:last-child { margin-top: 4px; color: var(--mobileb0540-text); font-size: 12.5px; }

/* ---------- FAQ page uses a question-led reading system ---------- */
.mobileb0540-mistakegrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.mobileb0540-mistake {
  min-width: 0;
  padding: 10px;
  background: rgba(2, 36, 31, 0.72);
  border-top: 3px solid var(--mobileb0540-teal);
  border-radius: 0 0 var(--mobileb0540-radius-s) var(--mobileb0540-radius-s);
}
.mobileb0540-mistake .mobileb0540-h3 { margin: 8px 0 5px; font-size: 14px; }
.mobileb0540-mistake p { color: var(--mobileb0540-dim); font-size: 12px; line-height: 1.5; }

.mobileb0540-nextlist { display: flex; flex-direction: column; gap: 7px; margin-top: 10px; }
.mobileb0540-nextitem {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 9px;
  align-items: start;
  padding: 10px;
  background: linear-gradient(90deg, rgba(0, 77, 64, 0.52), rgba(2, 36, 31, 0.45));
  border: 1px solid rgba(32, 178, 170, 0.42);
  border-radius: var(--mobileb0540-radius-s);
  color: var(--mobileb0540-text);
}
.mobileb0540-nextitem strong { display: block; color: #eafff2; font-family: var(--mobileb0540-font-head); font-size: 14px; }
.mobileb0540-nextitem small { display: block; margin-top: 2px; color: var(--mobileb0540-dim); font-size: 12px; line-height: 1.5; }
.mobileb0540-nextitem:hover, .mobileb0540-nextitem:focus-visible { text-decoration: none; border-color: var(--mobileb0540-mint); }

.mobileb0540-answerrail {
  margin-top: 10px;
  padding: 13px 12px;
  background: #012019;
  border-left: 4px solid var(--mobileb0540-mint);
  border-radius: 0 var(--mobileb0540-radius-m) var(--mobileb0540-radius-m) 0;
}
.mobileb0540-answerquestion { margin: 7px 0 13px; color: #eafff2; font-family: var(--mobileb0540-font-head); font-size: 15px; line-height: 1.45; }
.mobileb0540-answer { color: var(--mobileb0540-text); font-size: 13px; }

/* ---------- small screens ---------- */
@media (max-width: 359px) {
  .mobileb0540-btn-solid { padding: 8px 9px; font-size: 12px; }
  .mobileb0540-btn-ghost { padding: 8px 8px; font-size: 12px; }
  .mobileb0540-brandname { font-size: 15px; }
  .mobileb0540-checkgrid { grid-template-columns: 1fr; }
  .mobileb0540-pcgrid { grid-template-columns: 1fr; }
  .mobileb0540-dirgrid { grid-template-columns: 1fr; }
}

/* reduced motion: kill transitions, keep layout */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}