/* ==========================================================================
   Flashcore mobile canvas stylesheet
   Site palette: #26A69A | #80CBC4 | #FFC0CB | #00695C | #333333
   Dark surfaces as base, light teal / pink as ink. Prefix: mobiled4bcf-
   Design keys: high-contrast display font + readable body font,
   mixed radii on compact layers, grouped cover game cards,
   scenario-branched copy rhythm, restrained fade feedback,
   staggered primary / secondary CTA sizes.
   ========================================================================== */

:root {
  --mobiled4bcf-bg: #082722;
  --mobiled4bcf-bg-deep: #051d19;
  --mobiled4bcf-panel: #0c332d;
  --mobiled4bcf-panel-2: #103b33;
  --mobiled4bcf-panel-3: #14453b;
  --mobiled4bcf-teal: #26A69A;
  --mobiled4bcf-teal-deep: #00695C;
  --mobiled4bcf-soft: #80CBC4;
  --mobiled4bcf-pink: #FFC0CB;
  --mobiled4bcf-ink: #eaf7f3;
  --mobiled4bcf-mute: #a4cbc3;
  --mobiled4bcf-charcoal: #333333;
  --mobiled4bcf-line: rgba(128, 203, 196, 0.24);
  --mobiled4bcf-line-soft: rgba(128, 203, 196, 0.13);
  --mobiled4bcf-radius-xl: 20px;
  --mobiled4bcf-radius-lg: 16px;
  --mobiled4bcf-radius-md: 12px;
  --mobiled4bcf-radius-sm: 8px;
  --mobiled4bcf-font-display: 'Chakra Petch', 'Trebuchet MS', Verdana, sans-serif;
  --mobiled4bcf-font-body: 'Manrope', 'Segoe UI', Arial, sans-serif;
  --mobiled4bcf-dock-h: 74px;
  --mobiled4bcf-lift: -2px;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--mobiled4bcf-font-body);
  font-size: 15px;
  line-height: 1.62;
  color: var(--mobiled4bcf-ink);
  background:
    radial-gradient(1100px 520px at 50% -8%, #0d3a33 0%, var(--mobiled4bcf-bg-deep) 58%, #030f0d 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

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

a { color: var(--mobiled4bcf-soft); text-underline-offset: 3px; }
a:hover { color: var(--mobiled4bcf-pink); }

:focus-visible {
  outline: 2px solid var(--mobiled4bcf-pink);
  outline-offset: 2px;
  border-radius: 4px;
}

.mobiled4bcf-shell {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  background: linear-gradient(180deg, var(--mobiled4bcf-bg) 0%, #072019 100%);
  box-shadow: 0 0 0 1px var(--mobiled4bcf-line-soft), 0 24px 60px rgba(0, 0, 0, 0.55);
  overflow-x: hidden;
}

@media (min-width: 431px) {
  body { background-repeat: no-repeat; }
  .mobiled4bcf-shell { border-radius: 0 0 22px 22px; }
}

/* ---------- top functional header (edge aligned) ---------- */
.mobiled4bcf-topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 58px;
  padding: 8px 12px 8px 14px;
  background: rgba(6, 26, 22, 0.94);
  border-bottom: 1px solid var(--mobiled4bcf-line);
  backdrop-filter: blur(8px);
}

.mobiled4bcf-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  text-decoration: none;
  flex: 1 1 auto;
  min-width: 0;
}

.mobiled4bcf-brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--mobiled4bcf-line);
  background: var(--mobiled4bcf-panel-2);
  object-fit: cover;
  flex: 0 0 auto;
}

.mobiled4bcf-brand-name {
  font-family: var(--mobiled4bcf-font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--mobiled4bcf-ink);
  white-space: nowrap;
}
.mobiled4bcf-brand-name em {
  font-style: normal;
  color: var(--mobiled4bcf-teal);
}

.mobiled4bcf-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}

/* staggered CTA sizes: fat register pill + slimmer ghost login */
.mobiled4bcf-register,
.mobiled4bcf-login,
.mobiled4bcf-burger {
  font-family: var(--mobiled4bcf-font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.mobiled4bcf-register {
  min-height: 44px;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--mobiled4bcf-charcoal);
  background: var(--mobiled4bcf-pink);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(255, 192, 203, 0.28);
}
.mobiled4bcf-register:hover { color: var(--mobiled4bcf-charcoal); transform: translateY(var(--mobiled4bcf-lift)); }

.mobiled4bcf-login {
  min-height: 40px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--mobiled4bcf-soft);
  background: transparent;
  border: 1px solid var(--mobiled4bcf-line);
  border-radius: 999px;
}
.mobiled4bcf-login:hover { color: var(--mobiled4bcf-ink); border-color: var(--mobiled4bcf-teal); transform: translateY(var(--mobiled4bcf-lift)); }

.mobiled4bcf-burger {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--mobiled4bcf-soft);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line);
  border-radius: 10px;
}
.mobiled4bcf-burger:hover { color: var(--mobiled4bcf-ink); transform: translateY(var(--mobiled4bcf-lift)); }
.mobiled4bcf-burger svg { width: 20px; height: 20px; }

/* ---------- layered dropdown menu ---------- */
.mobiled4bcf-menu {
  position: absolute;
  top: 58px;
  left: 0;
  right: 0;
  z-index: 55;
  padding: 10px 12px 14px;
  background: #06211c;
  border-bottom: 1px solid var(--mobiled4bcf-line);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.5);
  display: none;
}
.mobiled4bcf-menu.mobiled4bcf-open { display: block; animation: mobiled4bcf-drop 0.18s ease both; }

@keyframes mobiled4bcf-drop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobiled4bcf-menu-home a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 12px;
  margin: 4px 0;
  border-radius: var(--mobiled4bcf-radius-md);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  color: var(--mobiled4bcf-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
}
.mobiled4bcf-menu-home a:hover { border-color: var(--mobiled4bcf-teal); }

.mobiled4bcf-menu-layer { margin-top: 8px; }

.mobiled4bcf-menu-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--mobiled4bcf-teal);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--mobiled4bcf-line-soft);
  cursor: pointer;
}
.mobiled4bcf-menu-cat:hover { color: var(--mobiled4bcf-pink); }
.mobiled4bcf-menu-cat svg { width: 14px; height: 14px; transition: transform 0.18s ease; }
.mobiled4bcf-menu-cat[aria-expanded="true"] svg { transform: rotate(180deg); }

.mobiled4bcf-menu-sub {
  display: none;
  padding: 4px 0 10px;
}
.mobiled4bcf-menu-layer.mobiled4bcf-layer-on .mobiled4bcf-menu-sub { display: block; animation: mobiled4bcf-drop 0.16s ease both; }

.mobiled4bcf-menu-sub a {
  display: block;
  min-height: 44px;
  padding: 10px 12px 10px 18px;
  border-left: 2px solid var(--mobiled4bcf-line-soft);
  margin-left: 4px;
  color: var(--mobiled4bcf-mute);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.mobiled4bcf-menu-sub a:hover { color: var(--mobiled4bcf-ink); border-left-color: var(--mobiled4bcf-teal); background: rgba(38, 166, 154, 0.08); }

/* active state = contrast inversion */
.mobiled4bcf-menu a.mobiled4bcf-current,
.mobiled4bcf-menu-home a.mobiled4bcf-current {
  background: var(--mobiled4bcf-teal);
  color: #06211c;
  border-left-color: var(--mobiled4bcf-pink);
  font-weight: 700;
}

/* ---------- main column ---------- */
.mobiled4bcf-main {
  padding: 0 12px calc(var(--mobiled4bcf-dock-h) + env(safe-area-inset-bottom, 0px) + 34px);
}

.mobiled4bcf-sec { margin-top: 26px; }

/* ---------- hero ---------- */
.mobiled4bcf-hero {
  padding: 26px 4px 6px;
}

.mobiled4bcf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mobiled4bcf-soft);
  background: rgba(38, 166, 154, 0.14);
  border: 1px solid var(--mobiled4bcf-line-soft);
  border-radius: 999px;
}
.mobiled4bcf-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mobiled4bcf-pink);
}

h1.mobiled4bcf-h1 {
  margin: 14px 0 10px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: clamp(25px, 7.4vw, 31px);
  line-height: 1.18;
  font-weight: 700;
  color: var(--mobiled4bcf-ink);
  text-wrap: balance;
}
h1.mobiled4bcf-h1 span { color: var(--mobiled4bcf-teal); }

.mobiled4bcf-lede {
  margin: 0 0 16px;
  font-size: 14.5px;
  color: var(--mobiled4bcf-mute);
}

.mobiled4bcf-cta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* primary big pink pill vs smaller ghost pill */
.mobiled4bcf-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 13px 24px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mobiled4bcf-charcoal);
  background: var(--mobiled4bcf-pink);
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(255, 192, 203, 0.3);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.mobiled4bcf-cta:hover { color: var(--mobiled4bcf-charcoal); transform: translateY(var(--mobiled4bcf-lift)); }

.mobiled4bcf-cta-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mobiled4bcf-soft);
  background: transparent;
  border: 1px solid var(--mobiled4bcf-line);
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.mobiled4bcf-cta-ghost:hover { color: var(--mobiled4bcf-ink); border-color: var(--mobiled4bcf-teal); transform: translateY(var(--mobiled4bcf-lift)); }

/* small inline text promotion link */
.mobiled4bcf-inlinepromo {
  font-weight: 700;
  color: var(--mobiled4bcf-pink);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  font-family: inherit;
}
.mobiled4bcf-inlinepromo:hover { color: #ffd6dd; }

/* ---------- promo carousel ---------- */
.mobiled4bcf-crs {
  position: relative;
  margin-top: 20px;
  border-radius: var(--mobiled4bcf-radius-xl);
  overflow: hidden;
  border: 1px solid var(--mobiled4bcf-line);
  background: var(--mobiled4bcf-panel);
}

.mobiled4bcf-crs-track {
  display: flex;
  width: 100%;
  transition: transform 0.42s cubic-bezier(0.33, 0.9, 0.3, 1);
}

.mobiled4bcf-slide {
  position: relative;
  flex: 0 0 100%;
  display: block;
  text-decoration: none;
}

.mobiled4bcf-slide img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.mobiled4bcf-slide figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px 14px 12px;
  background: linear-gradient(180deg, rgba(3, 15, 13, 0) 0%, rgba(3, 15, 13, 0.92) 78%);
}

.mobiled4bcf-slide-title {
  display: block;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mobiled4bcf-ink);
  line-height: 1.3;
}

.mobiled4bcf-slide-sub {
  display: inline-block;
  margin-top: 5px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--mobiled4bcf-pink);
}

.mobiled4bcf-dots {
  position: absolute;
  right: 10px;
  bottom: 8px;
  display: flex;
  gap: 2px;
  z-index: 3;
}

.mobiled4bcf-dot {
  width: 30px;
  height: 26px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  position: relative;
}
.mobiled4bcf-dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.4);
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.mobiled4bcf-dot:hover::after { background: var(--mobiled4bcf-soft); }
.mobiled4bcf-dot[aria-current="true"]::after {
  background: var(--mobiled4bcf-pink);
  transform: translate(-50%, -50%) scale(1.25);
}

/* ---------- quick category strip ---------- */
.mobiled4bcf-quick {
  display: flex;
  gap: 8px;
  margin: 18px 0 4px;
  padding: 2px 2px 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.mobiled4bcf-quick::-webkit-scrollbar { display: none; }

.mobiled4bcf-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--mobiled4bcf-soft);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
}
.mobiled4bcf-chip:hover { color: var(--mobiled4bcf-ink); border-color: var(--mobiled4bcf-teal); }
.mobiled4bcf-chip b { color: var(--mobiled4bcf-pink); font-weight: 700; }

/* ---------- headings ---------- */
h2.mobiled4bcf-h2 {
  margin: 0 0 8px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: clamp(19px, 5.6vw, 22.5px);
  line-height: 1.26;
  font-weight: 700;
  color: var(--mobiled4bcf-ink);
  text-wrap: balance;
}
h2.mobiled4bcf-h2 mark {
  background: none;
  color: var(--mobiled4bcf-teal);
}

h3.mobiled4bcf-h3 {
  margin: 16px 0 6px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--mobiled4bcf-soft);
}

/* ---------- grouped cover-card game clusters ---------- */
.mobiled4bcf-cluster {
  margin-top: 26px;
  padding: 0 10px 12px;
  border: 1px solid var(--mobiled4bcf-line-soft);
  border-radius: var(--mobiled4bcf-radius-xl);
  background: linear-gradient(180deg, rgba(17, 59, 51, 0.55) 0%, rgba(8, 39, 34, 0.2) 100%);
}

.mobiled4bcf-cluster-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: -1px -1px 0;
  padding: 13px 12px 11px;
  border-bottom: 1px dashed var(--mobiled4bcf-line);
  border-radius: var(--mobiled4bcf-radius-xl) var(--mobiled4bcf-radius-xl) 0 0;
  background: rgba(6, 33, 28, 0.85);
}

.mobiled4bcf-cluster-title {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}
.mobiled4bcf-cluster-title svg {
  width: 20px;
  height: 20px;
  color: var(--mobiled4bcf-pink);
  flex: 0 0 auto;
}
.mobiled4bcf-cluster-title h2 { margin: 0; font-size: 17.5px; }

.mobiled4bcf-count {
  flex: 0 0 auto;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #06211c;
  background: var(--mobiled4bcf-soft);
  border-radius: 999px;
}

.mobiled4bcf-cluster-intro {
  margin: 10px 2px 12px;
  font-size: 13.5px;
  color: var(--mobiled4bcf-mute);
}
.mobiled4bcf-cluster-intro a { font-weight: 600; }

/* 4 columns from 320px, 5 columns from 400px */
.mobiled4bcf-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
@media (min-width: 375px) { .mobiled4bcf-grid { gap: 9px; } }
@media (min-width: 400px) { .mobiled4bcf-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }

.mobiled4bcf-tile {
  display: flex;
  flex-direction: column;
  border-radius: var(--mobiled4bcf-radius-md);
  overflow: hidden;
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.mobiled4bcf-tile:hover,
.mobiled4bcf-tile:active {
  transform: translateY(-3px);
  border-color: var(--mobiled4bcf-teal);
}

.mobiled4bcf-tile-img {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #0a2b25;
}
.mobiled4bcf-tile-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobiled4bcf-tile-name {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  min-height: 34px;
  padding: 5px 6px 6px;
  font-size: 10.5px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--mobiled4bcf-ink);
  text-align: center;
  overflow-wrap: anywhere;
}

/* ---------- prose blocks ---------- */
.mobiled4bcf-panel {
  margin-top: 26px;
  padding: 16px 14px;
  border-radius: var(--mobiled4bcf-radius-lg);
  background: var(--mobiled4bcf-panel);
  border: 1px solid var(--mobiled4bcf-line-soft);
}

.mobiled4bcf-panel > p { margin: 0 0 10px; font-size: 14px; color: var(--mobiled4bcf-mute); }
.mobiled4bcf-panel > p:last-child { margin-bottom: 0; }
.mobiled4bcf-panel strong { color: var(--mobiled4bcf-ink); font-weight: 700; }

/* conclusion-first answer note */
.mobiled4bcf-leadnote {
  padding: 12px 14px;
  margin: 0 0 12px;
  border-left: 3px solid var(--mobiled4bcf-pink);
  border-radius: 0 var(--mobiled4bcf-radius-md) var(--mobiled4bcf-radius-md) 0;
  background: rgba(255, 192, 203, 0.07);
  font-size: 14px;
  color: var(--mobiled4bcf-ink);
}

/* comparison rows (play styles) */
.mobiled4bcf-vs { display: grid; gap: 8px; }

.mobiled4bcf-vs-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  align-items: start;
  padding: 11px 12px;
  border-radius: var(--mobiled4bcf-radius-md);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
}
@media (min-width: 375px) { .mobiled4bcf-vs-row { grid-template-columns: 96px 1fr; } }

.mobiled4bcf-vs-tag {
  font-family: var(--mobiled4bcf-font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mobiled4bcf-pink);
  padding-top: 2px;
}
.mobiled4bcf-vs-row p { margin: 0; font-size: 13px; color: var(--mobiled4bcf-mute); }

/* checklist (security) */
.mobiled4bcf-check {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}
.mobiled4bcf-check li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 9px;
  padding: 10px 11px;
  border-radius: var(--mobiled4bcf-radius-md);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  font-size: 13px;
  color: var(--mobiled4bcf-mute);
}
.mobiled4bcf-check svg { width: 17px; height: 17px; color: var(--mobiled4bcf-teal); margin-top: 2px; }
.mobiled4bcf-check b { color: var(--mobiled4bcf-ink); }

/* step rail (how to play) */
.mobiled4bcf-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  counter-reset: mobiled4bcf-step;
}
.mobiled4bcf-steps li {
  position: relative;
  counter-increment: mobiled4bcf-step;
  padding: 0 0 16px 44px;
}
.mobiled4bcf-steps li::before {
  content: counter(mobiled4bcf-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 12px;
  font-weight: 700;
  color: #06211c;
  background: var(--mobiled4bcf-teal);
  border-radius: 9px;
}
.mobiled4bcf-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 14.5px;
  top: 34px;
  bottom: 2px;
  width: 1px;
  background: var(--mobiled4bcf-line);
}
.mobiled4bcf-steps b {
  display: block;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 14px;
  color: var(--mobiled4bcf-ink);
  margin-bottom: 3px;
}
.mobiled4bcf-steps p { margin: 0; font-size: 13px; color: var(--mobiled4bcf-mute); }

/* scenario / use case cards */
.mobiled4bcf-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.mobiled4bcf-card {
  padding: 12px 11px;
  border-radius: var(--mobiled4bcf-radius-md);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.mobiled4bcf-card:hover { transform: translateY(var(--mobiled4bcf-lift)); border-color: var(--mobiled4bcf-teal); }
.mobiled4bcf-card h3 { margin: 0 0 5px; font-size: 13.5px; color: var(--mobiled4bcf-soft); }
.mobiled4bcf-card p { margin: 0; font-size: 12.5px; line-height: 1.55; color: var(--mobiled4bcf-mute); }

/* mobile app feature block */
.mobiled4bcf-appfold {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.mobiled4bcf-appshot {
  border-radius: var(--mobiled4bcf-radius-lg);
  overflow: hidden;
  border: 1px solid var(--mobiled4bcf-line);
}
.mobiled4bcf-appshot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.mobiled4bcf-appfacts {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.mobiled4bcf-appfacts li {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 13px;
  color: var(--mobiled4bcf-mute);
}
.mobiled4bcf-appfacts b { color: var(--mobiled4bcf-soft); white-space: nowrap; }

/* FAQ disclosure */
.mobiled4bcf-faq { margin-top: 12px; display: grid; gap: 8px; }

.mobiled4bcf-faq details {
  border-radius: var(--mobiled4bcf-radius-md);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  overflow: hidden;
}
.mobiled4bcf-faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 46px;
  padding: 11px 13px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mobiled4bcf-ink);
}
.mobiled4bcf-faq summary::-webkit-details-marker { display: none; }
.mobiled4bcf-faq summary::after {
  content: "+";
  font-size: 17px;
  color: var(--mobiled4bcf-pink);
  font-weight: 700;
  flex: 0 0 auto;
}
.mobiled4bcf-faq details[open] summary::after { content: "\2212"; }
.mobiled4bcf-faq details p {
  margin: 0;
  padding: 0 13px 12px;
  font-size: 13px;
  color: var(--mobiled4bcf-mute);
}

/* ---------- extended footer (sectioned list) ---------- */
.mobiled4bcf-xfoot {
  margin-top: 34px;
  padding: 18px 14px 16px;
  border-radius: var(--mobiled4bcf-radius-xl) var(--mobiled4bcf-radius-xl) 0 0;
  background: var(--mobiled4bcf-bg-deep);
  border: 1px solid var(--mobiled4bcf-line-soft);
  border-bottom: 0;
}

.mobiled4bcf-xfoot-sec { margin-top: 18px; }
.mobiled4bcf-xfoot-sec:first-child { margin-top: 0; }

.mobiled4bcf-xfoot-title {
  margin: 0 0 9px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mobiled4bcf-teal);
}

/* 4 promotion actions, staggered sizes */
.mobiled4bcf-promos { display: grid; gap: 8px; }
.mobiled4bcf-promo-a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--mobiled4bcf-charcoal);
  background: var(--mobiled4bcf-pink);
  border: 0;
  border-radius: 13px;
  cursor: pointer;
  text-align: left;
  transition: transform 0.16s ease;
}
.mobiled4bcf-promo-a:hover { transform: translateY(var(--mobiled4bcf-lift)); }
.mobiled4bcf-promo-a small { display: block; font-family: var(--mobiled4bcf-font-body); font-size: 11px; font-weight: 600; color: #6b4a51; }

.mobiled4bcf-promo-b,
.mobiled4bcf-promo-c {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 13px;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.mobiled4bcf-promo-b { color: var(--mobiled4bcf-ink); background: var(--mobiled4bcf-teal-deep); border: 1px solid var(--mobiled4bcf-line); }
.mobiled4bcf-promo-c { color: var(--mobiled4bcf-soft); background: transparent; border: 1px solid var(--mobiled4bcf-line); }
.mobiled4bcf-promo-b:hover, .mobiled4bcf-promo-c:hover { transform: translateY(var(--mobiled4bcf-lift)); border-color: var(--mobiled4bcf-teal); }

.mobiled4bcf-xfoot-brand p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mobiled4bcf-mute);
}

.mobiled4bcf-dir { display: grid; gap: 10px; }

.mobiled4bcf-dir-group { display: grid; grid-template-columns: 86px 1fr; gap: 8px; align-items: start; }
.mobiled4bcf-dir-group h3 {
  margin: 0;
  padding-top: 2px;
  font-family: var(--mobiled4bcf-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mobiled4bcf-soft);
}
.mobiled4bcf-dir-links { display: flex; flex-wrap: wrap; gap: 6px; }

.mobiled4bcf-dir-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 600;
  color: var(--mobiled4bcf-mute);
  background: var(--mobiled4bcf-panel-2);
  border: 1px solid var(--mobiled4bcf-line-soft);
  border-radius: 999px;
  text-decoration: none;
}
.mobiled4bcf-dir-links a:hover { color: var(--mobiled4bcf-ink); border-color: var(--mobiled4bcf-teal); }

.mobiled4bcf-xfoot-note {
  margin: 18px 0 0;
  padding: 11px 12px;
  border-left: 3px solid var(--mobiled4bcf-teal);
  border-radius: 0 var(--mobiled4bcf-radius-sm) var(--mobiled4bcf-radius-sm) 0;
  background: rgba(0, 105, 92, 0.16);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--mobiled4bcf-mute);
}

/* ---------- common footer ---------- */
.mobiled4bcf-foot {
  padding: 14px 16px 18px;
  text-align: center;
  background: #041713;
}
.mobiled4bcf-foot p { margin: 0; font-size: 11.5px; color: var(--mobiled4bcf-mute); }
.mobiled4bcf-foot b { color: var(--mobiled4bcf-soft); }

/* ---------- mobile bottom dock (compact icon rack) ---------- */
.mobiled4bcf-dock {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 70;
  width: 100%;
  max-width: 430px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  min-height: var(--mobiled4bcf-dock-h);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
  background: rgba(4, 20, 17, 0.97);
  border-top: 1px solid var(--mobiled4bcf-line);
  backdrop-filter: blur(10px);
}

.mobiled4bcf-dock a,
.mobiled4bcf-dock button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 56px;
  padding: 6px 2px 4px;
  background: transparent;
  border: 0;
  border-radius: 12px;
  color: var(--mobiled4bcf-mute);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, color 0.16s ease, background-color 0.16s ease;
}

.mobiled4bcf-dock svg { width: 21px; height: 21px; }

.mobiled4bcf-dock span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mobiled4bcf-dock a:hover,
.mobiled4bcf-dock button:hover {
  color: var(--mobiled4bcf-ink);
  transform: translateY(var(--mobiled4bcf-lift));
}

/* active + promo accents: contrast inversion on current, pink badge on promo roles */
.mobiled4bcf-dock a.mobiled4bcf-current {
  background: var(--mobiled4bcf-soft);
  color: #041713;
  border-radius: 12px;
}
.mobiled4bcf-dock .mobiled4bcf-dock-promo svg { color: var(--mobiled4bcf-pink); }
.mobiled4bcf-dock .mobiled4bcf-dock-promo span { color: var(--mobiled4bcf-pink); }
.mobiled4bcf-dock .mobiled4bcf-dock-promo:hover svg,
.mobiled4bcf-dock .mobiled4bcf-dock-promo:hover span { color: #ffd6dd; }

/* ---------- restrained reveal feedback ---------- */
.mobiled4bcf-rv {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.mobiled4bcf-rv.mobiled4bcf-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .mobiled4bcf-rv { opacity: 1; transform: none; transition: none; }
  .mobiled4bcf-crs-track { transition: none; }
  * { animation-duration: 0.001s !important; }
}

/* ---------- small helpers ---------- */
.mobiled4bcf-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.mobiled4bcf-sec-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

@media (max-width: 359px) {
  .mobiled4bcf-register { padding: 10px 13px; font-size: 13px; }
  .mobiled4bcf-login { padding: 8px 11px; font-size: 12px; }
  .mobiled4bcf-grid { gap: 6px; }
  .mobiled4bcf-cards { grid-template-columns: 1fr; }
}