/* ==========================================================================
   ace444 shell stylesheet (ace444-shell-f1acd9.css)
   Mobile-first canvas: 320-430px. Dark stage, yellow/orange accents,
   mint highlights. All classes use the mobilef1acd- prefix.
   ========================================================================== */

/* ---------- design tokens ---------- */
:root {
  --mobilef1acd-bg: #1E1E1E;
  --mobilef1acd-bg-deep: #161616;
  --mobilef1acd-bg-soft: #262626;
  --mobilef1acd-card: #2B2B2B;
  --mobilef1acd-card-hi: #333333;
  --mobilef1acd-line: #3D3D3D;
  --mobilef1acd-yellow: #FFEB3B;
  --mobilef1acd-orange: #FFA500;
  --mobilef1acd-flame: #FF8000;
  --mobilef1acd-mint: #98FB98;
  --mobilef1acd-ink: #DEE2E6;
  --mobilef1acd-ink-dim: #A8AFB6;
  --mobilef1acd-ink-faint: #7E858D;
  --mobilef1acd-radius-card: 12px;
  --mobilef1acd-radius-pill: 6px;
  --mobilef1acd-radius-btn: 3px;
  --mobilef1acd-topbar-h: 56px;
  --mobilef1acd-tabbar-h: 66px;
  --mobilef1acd-font-round: "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi",
    "Kalpurush", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mobilef1acd-font-compact: "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi",
    "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

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

body {
  margin: 0;
  padding: 0;
  background: var(--mobilef1acd-bg-deep);
  color: var(--mobilef1acd-ink);
  font-family: var(--mobilef1acd-font-compact);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  color: inherit;
}

a {
  color: var(--mobilef1acd-yellow);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

h1, h2, h3 {
  font-family: var(--mobilef1acd-font-round);
  line-height: 1.45;
  margin: 0 0 10px;
  font-weight: 800;
}

p {
  margin: 0 0 12px;
}

ul, ol {
  margin: 0 0 14px;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

:focus-visible {
  outline: 2px solid var(--mobilef1acd-yellow);
  outline-offset: 2px;
  border-radius: 2px;
}

.mobilef1acd-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- phone canvas ---------- */
.mobilef1acd-shell {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  background: var(--mobilef1acd-bg);
  min-height: 100vh;
  box-shadow: 0 0 34px rgba(0, 0, 0, 0.55);
  overflow-x: clip;
}

/* ---------- top identity bar ---------- */
.mobilef1acd-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 60;
  min-height: var(--mobilef1acd-topbar-h);
  background: rgba(24, 24, 24, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--mobilef1acd-line);
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
}

/* centered identity: logo + name only */
.mobilef1acd-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
}

.mobilef1acd-brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--mobilef1acd-orange);
  object-fit: cover;
  flex: 0 0 auto;
  background: var(--mobilef1acd-bg-soft);
}

.mobilef1acd-brand-name {
  font-family: var(--mobilef1acd-font-round);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.4px;
  color: var(--mobilef1acd-yellow);
  white-space: nowrap;
}

/* menu trigger */
.mobilef1acd-menubtn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-btn);
  padding: 0;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.mobilef1acd-menubtn:active {
  transform: scale(0.93);
  border-color: var(--mobilef1acd-yellow);
}

.mobilef1acd-menubtn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--mobilef1acd-ink);
  border-radius: 2px;
}

/* header action cluster (outside the identity block) */
.mobilef1acd-topactions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------- buttons: square corners, high contrast ---------- */
.mobilef1acd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 14px;
  border-radius: var(--mobilef1acd-radius-btn);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.2;
  text-align: center;
  transition: transform 0.12s ease, filter 0.12s ease;
  -webkit-tap-highlight-color: transparent;
}

.mobilef1acd-btn:active {
  transform: scale(0.96);
}

.mobilef1acd-btn-primary {
  background: linear-gradient(135deg, var(--mobilef1acd-yellow), var(--mobilef1acd-flame));
  color: #191500;
}

.mobilef1acd-btn-ghost {
  background: transparent;
  border-color: var(--mobilef1acd-orange);
  color: var(--mobilef1acd-yellow);
}

.mobilef1acd-btn-mint {
  background: var(--mobilef1acd-mint);
  color: #0F2A14;
}

.mobilef1acd-btn-header {
  min-height: 38px;
  padding: 7px 10px;
  font-size: 12px;
}

.mobilef1acd-btn-wide {
  width: 100%;
}

/* ---------- stacked overlay menu ---------- */
.mobilef1acd-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 100%;
  z-index: 90;
  display: none;
}

.mobilef1acd-menu-open {
  display: block;
}

.mobilef1acd-menu-scrim {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.72);
}

.mobilef1acd-menu-panel {
  position: relative;
  width: 100%;
  max-width: 430px;
  min-height: 430px;
  max-height: 100%;
  overflow-y: auto;
  background: #202020;
  border-right: 1px solid var(--mobilef1acd-line);
  padding: 14px 14px 26px;
  animation: mobilef1acdMenuIn 0.18s ease both;
}

@keyframes mobilef1acdMenuIn {
  from {
    opacity: 0;
    transform: translateX(-14px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.mobilef1acd-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--mobilef1acd-line);
  margin-bottom: 12px;
}

.mobilef1acd-menu-head img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  border: 1px solid var(--mobilef1acd-orange);
}

.mobilef1acd-menu-title {
  font-family: var(--mobilef1acd-font-round);
  font-weight: 800;
  font-size: 17px;
  color: var(--mobilef1acd-yellow);
  margin: 0;
}

.mobilef1acd-menu-close {
  width: 44px;
  height: 44px;
  border-radius: var(--mobilef1acd-radius-btn);
  border: 1px solid var(--mobilef1acd-line);
  background: transparent;
  color: var(--mobilef1acd-ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.12s ease;
}

.mobilef1acd-menu-close:active {
  transform: scale(0.92);
}

/* stacked menu links */
.mobilef1acd-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobilef1acd-menu-list li {
  margin: 0;
}

.mobilef1acd-menu-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  border-radius: var(--mobilef1acd-radius-pill);
  color: var(--mobilef1acd-ink);
  font-weight: 600;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.mobilef1acd-menu-list a:hover,
.mobilef1acd-menu-list a:focus-visible {
  background: var(--mobilef1acd-card);
  text-decoration: none;
}

.mobilef1acd-menu-list a:active {
  background: var(--mobilef1acd-card-hi);
}

.mobilef1acd-menu-list a.mobilef1acd-menu-here {
  border-left-color: var(--mobilef1acd-yellow);
  background: var(--mobilef1acd-card);
  color: var(--mobilef1acd-yellow);
}

.mobilef1acd-menu-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mobilef1acd-flame);
  flex: 0 0 auto;
}

.mobilef1acd-menu-group {
  margin: 14px 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--mobilef1acd-ink-faint);
}

/* ---------- main column ---------- */
.mobilef1acd-main {
  padding: calc(var(--mobilef1acd-topbar-h) + 12px) 12px calc(var(--mobilef1acd-tabbar-h) + 28px);
}

/* ---------- hero ---------- */
.mobilef1acd-hero {
  padding: 6px 2px 4px;
}

.mobilef1acd-hero h1 {
  font-size: 24px;
  color: var(--mobilef1acd-ink);
  margin-bottom: 8px;
}

.mobilef1acd-hero h1 .mobilef1acd-h1-mark {
  color: var(--mobilef1acd-yellow);
}

.mobilef1acd-hero-kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--mobilef1acd-mint);
  border: 1px solid rgba(152, 251, 152, 0.45);
  border-radius: var(--mobilef1acd-radius-pill);
  padding: 3px 10px;
  margin-bottom: 10px;
}

.mobilef1acd-hero-sub {
  color: var(--mobilef1acd-ink-dim);
  font-size: 13.5px;
}

.mobilef1acd-hero-cta {
  display: flex;
  gap: 8px;
  margin: 14px 0 4px;
}

/* ---------- promo banner carousel ---------- */
.mobilef1acd-carousel {
  position: relative;
  margin: 16px 0 4px;
}

.mobilef1acd-cstage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--mobilef1acd-radius-card);
  overflow: hidden;
  border: 1px solid var(--mobilef1acd-line);
  background: var(--mobilef1acd-bg-soft);
}

.mobilef1acd-cslide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: var(--mobilef1acd-bg-soft);
  opacity: 0;
  transition: opacity 0.45s ease;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

.mobilef1acd-cslide-on {
  opacity: 1;
  z-index: 2;
}

.mobilef1acd-cslide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobilef1acd-ccap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 12px 10px;
  background: linear-gradient(180deg, rgba(20, 20, 20, 0) 0%, rgba(20, 20, 20, 0.88) 78%);
  color: var(--mobilef1acd-ink);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.5;
  display: block;
}

.mobilef1acd-ccap strong {
  color: var(--mobilef1acd-yellow);
  display: block;
  font-size: 13.5px;
}

.mobilef1acd-cdots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 9px;
}

.mobilef1acd-cdot {
  width: 24px;
  height: 24px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
}

.mobilef1acd-cdot::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mobilef1acd-ink-faint);
  transition: background 0.2s ease, transform 0.2s ease;
}

.mobilef1acd-cdot-on::after {
  background: var(--mobilef1acd-yellow);
  transform: scale(1.25);
}

/* ---------- quick fact strip ---------- */
.mobilef1acd-quickstrip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 16px 0 6px;
}

.mobilef1acd-quick {
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  padding: 10px 6px;
  text-align: center;
}

.mobilef1acd-quick b {
  display: block;
  font-family: var(--mobilef1acd-font-round);
  font-size: 16px;
  color: var(--mobilef1acd-yellow);
  line-height: 1.3;
}

.mobilef1acd-quick span {
  display: block;
  font-size: 10.5px;
  color: var(--mobilef1acd-ink-dim);
  line-height: 1.45;
}

/* ---------- section shells ---------- */
.mobilef1acd-section {
  margin: 26px 0;
}

.mobilef1acd-sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  border-left: 4px solid var(--mobilef1acd-flame);
  padding-left: 10px;
  margin-bottom: 8px;
}

.mobilef1acd-sec-head h2 {
  font-size: 18px;
  color: var(--mobilef1acd-ink);
  margin: 0;
}

.mobilef1acd-sec-note {
  font-size: 11px;
  color: var(--mobilef1acd-ink-faint);
  white-space: nowrap;
}

.mobilef1acd-sec-intro {
  color: var(--mobilef1acd-ink-dim);
  font-size: 13px;
  margin-bottom: 12px;
}

/* ---------- game grids: mixed large + small cards ---------- */
.mobilef1acd-ggrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

/* small compact tile */
.mobilef1acd-gcard {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 5px;
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  transition: transform 0.12s ease, border-color 0.12s ease;
  -webkit-tap-highlight-color: transparent;
}

.mobilef1acd-gcard:active {
  transform: scale(0.94);
  border-color: var(--mobilef1acd-yellow);
}

.mobilef1acd-gthumb {
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--mobilef1acd-bg-soft);
}

.mobilef1acd-gthumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobilef1acd-gname {
  display: -webkit-box;
  margin-top: 5px;
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--mobilef1acd-ink);
  text-align: center;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 29px;
}

/* large feature tile (first two of a category) */
.mobilef1acd-gcard-big {
  grid-column: span 2;
  padding: 7px;
  background: linear-gradient(160deg, #303030, #242424);
  border-color: var(--mobilef1acd-orange);
}

.mobilef1acd-gcard-big .mobilef1acd-gname {
  font-size: 12px;
  min-height: 34px;
  align-self: center;
}

/* ---------- step blocks (progressive info rhythm) ---------- */
.mobilef1acd-steps {
  list-style: none;
  margin: 12px 0 4px;
  padding: 0;
  counter-reset: mobilef1acdStep;
}

.mobilef1acd-steps li {
  counter-increment: mobilef1acdStep;
  position: relative;
  padding: 12px 12px 12px 46px;
  margin-bottom: 8px;
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  font-size: 13px;
  color: var(--mobilef1acd-ink);
}

.mobilef1acd-steps li::before {
  content: counter(mobilef1acdStep);
  position: absolute;
  left: 12px;
  top: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mobilef1acd-yellow), var(--mobilef1acd-flame));
  color: #191500;
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobilef1acd-steps b {
  color: var(--mobilef1acd-yellow);
}

/* ---------- milestone / achievement rows ---------- */
.mobilef1acd-milestones {
  display: grid;
  gap: 8px;
  margin: 12px 0 4px;
}

.mobilef1acd-mile {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 11px 12px;
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-left: 3px solid var(--mobilef1acd-mint);
  border-radius: var(--mobilef1acd-radius-card);
  font-size: 13px;
}

.mobilef1acd-mile-tag {
  flex: 0 0 auto;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: #0F2A14;
  background: var(--mobilef1acd-mint);
  border-radius: var(--mobilef1acd-radius-btn);
  padding: 3px 8px;
  margin-top: 2px;
}

.mobilef1acd-mile p {
  margin: 0;
  color: var(--mobilef1acd-ink-dim);
}

.mobilef1acd-mile b {
  color: var(--mobilef1acd-ink);
}

/* ---------- winners board ---------- */
.mobilef1acd-winners {
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  overflow: hidden;
  margin: 12px 0 4px;
}

.mobilef1acd-win-row {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  font-size: 12.5px;
  border-bottom: 1px solid var(--mobilef1acd-line);
  background: var(--mobilef1acd-card);
}

.mobilef1acd-win-row:last-child {
  border-bottom: 0;
}

.mobilef1acd-win-row span {
  color: var(--mobilef1acd-ink-dim);
}

.mobilef1acd-win-row b {
  color: var(--mobilef1acd-ink);
  font-weight: 600;
}

.mobilef1acd-win-row .mobilef1acd-win-amt {
  color: var(--mobilef1acd-yellow);
  font-weight: 800;
  white-space: nowrap;
}

/* ---------- checklist / trust rows ---------- */
.mobilef1acd-checklist {
  list-style: none;
  margin: 12px 0 4px;
  padding: 0;
}

.mobilef1acd-checklist li {
  position: relative;
  padding: 10px 12px 10px 36px;
  margin-bottom: 8px;
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  font-size: 13px;
  color: var(--mobilef1acd-ink-dim);
}

.mobilef1acd-checklist li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 14px;
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--mobilef1acd-mint);
  border-bottom: 3px solid var(--mobilef1acd-mint);
  transform: rotate(-45deg);
}

.mobilef1acd-checklist b {
  color: var(--mobilef1acd-ink);
}

/* ---------- scenario / direct answer blocks ---------- */
.mobilef1acd-answer {
  background: linear-gradient(165deg, #2C2A20, #242424);
  border: 1px solid rgba(255, 235, 59, 0.38);
  border-radius: var(--mobilef1acd-radius-card);
  padding: 14px 14px 10px;
  margin: 12px 0 4px;
}

.mobilef1acd-answer-label {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.6px;
  color: #191500;
  background: var(--mobilef1acd-yellow);
  border-radius: var(--mobilef1acd-radius-btn);
  padding: 3px 9px;
  margin-bottom: 8px;
}

.mobilef1acd-answer p {
  font-size: 13px;
  color: var(--mobilef1acd-ink);
}

.mobilef1acd-qa {
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  padding: 12px 14px;
  margin-bottom: 10px;
}

.mobilef1acd-qa h3 {
  font-size: 14px;
  color: var(--mobilef1acd-yellow);
  margin-bottom: 6px;
}

.mobilef1acd-qa p {
  margin: 0;
  font-size: 13px;
  color: var(--mobilef1acd-ink-dim);
}

/* ---------- prose blocks inside sections ---------- */
.mobilef1acd-prose {
  font-size: 13.5px;
  color: var(--mobilef1acd-ink-dim);
}

.mobilef1acd-prose b,
.mobilef1acd-prose strong {
  color: var(--mobilef1acd-ink);
}

.mobilef1acd-inline-cta {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- extended footer (home only) ---------- */
.mobilef1acd-xfooter {
  margin-top: 30px;
  border-top: 3px solid var(--mobilef1acd-flame);
  background: #212121;
  padding: 16px 12px 8px;
}

.mobilef1acd-xfooter h2 {
  font-size: 15px;
  margin: 0 0 10px;
  color: var(--mobilef1acd-yellow);
}

.mobilef1acd-xf-group {
  margin-bottom: 18px;
}

/* promo entry chips: compact groups, descriptive labels */
.mobilef1acd-xf-promos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mobilef1acd-xf-promo {
  min-height: 52px;
  padding: 9px 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  border-radius: var(--mobilef1acd-radius-card);
  border: 1px solid var(--mobilef1acd-orange);
  background: linear-gradient(160deg, #2E2A1C, #242424);
  text-align: left;
  transition: transform 0.12s ease;
}

.mobilef1acd-xf-promo:active {
  transform: scale(0.95);
}

.mobilef1acd-xf-promo b {
  font-size: 12.5px;
  color: var(--mobilef1acd-yellow);
  line-height: 1.4;
}

.mobilef1acd-xf-promo span {
  font-size: 10.5px;
  color: var(--mobilef1acd-ink-dim);
  line-height: 1.4;
}

.mobilef1acd-xf-brand {
  font-size: 12.5px;
  color: var(--mobilef1acd-ink-dim);
}

.mobilef1acd-xf-dir {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobilef1acd-xf-dir a {
  display: block;
  padding: 8px 10px;
  min-height: 40px;
  background: var(--mobilef1acd-card);
  border: 1px solid var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-pill);
  color: var(--mobilef1acd-ink);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

.mobilef1acd-xf-dir a:hover,
.mobilef1acd-xf-dir a:focus-visible {
  border-color: var(--mobilef1acd-yellow);
  text-decoration: none;
}

.mobilef1acd-xf-note {
  font-size: 11.5px;
  color: var(--mobilef1acd-ink-faint);
  border: 1px dashed var(--mobilef1acd-line);
  border-radius: var(--mobilef1acd-radius-card);
  padding: 10px 12px;
  margin-bottom: 8px;
}

/* ---------- common footer ---------- */
.mobilef1acd-footer {
  text-align: center;
  padding: 14px 12px 10px;
  border-top: 1px solid var(--mobilef1acd-line);
  font-size: 11.5px;
  color: var(--mobilef1acd-ink-faint);
}

.mobilef1acd-footer b {
  color: var(--mobilef1acd-ink-dim);
}

/* ---------- mobile bottom tab bar ---------- */
.mobilef1acd-tabbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 70;
  min-height: var(--mobilef1acd-tabbar-h);
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(22, 22, 22, 0.96);
  backdrop-filter: blur(10px);
  border-top: 3px solid; /* brand accent band */
  border-image: linear-gradient(90deg, var(--mobilef1acd-yellow), var(--mobilef1acd-flame), var(--mobilef1acd-mint)) 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.mobilef1acd-tab {
  position: relative;
  min-height: 44px;
  padding: 6px 2px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: transparent;
  border: 0;
  color: var(--mobilef1acd-ink-faint);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.15s ease;
}

a.mobilef1acd-tab:hover,
a.mobilef1acd-tab:focus-visible {
  text-decoration: none;
}

.mobilef1acd-tab:active {
  color: var(--mobilef1acd-ink);
}

.mobilef1acd-tab svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: fill 0.15s ease, stroke 0.15s ease;
}

/* active: fill change + accent indicator dot */
.mobilef1acd-tab-here {
  color: var(--mobilef1acd-yellow);
}

.mobilef1acd-tab-here svg {
  fill: rgba(255, 235, 59, 0.28);
  stroke: var(--mobilef1acd-yellow);
}

.mobilef1acd-tab-here::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--mobilef1acd-yellow);
}

/* tab role accent for promo tabs */
.mobilef1acd-tab-promo {
  color: var(--mobilef1acd-mint);
}

.mobilef1acd-tab-promo svg {
  stroke: var(--mobilef1acd-mint);
}

.mobilef1acd-tab-promo:active {
  color: #CFFDCF;
}

/* ---------- restrained reveal on scroll ---------- */
.mobilef1acd-reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.mobilef1acd-reveal-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- back-to-top link ---------- */
.mobilef1acd-toplink {
  display: block;
  text-align: center;
  font-size: 12px;
  color: var(--mobilef1acd-ink-faint);
  padding: 8px 0 2px;
}

/* ---------- responsive tuning inside the phone canvas ---------- */
@media (min-width: 375px) {
  .mobilef1acd-quickstrip {
    gap: 8px;
  }

  .mobilef1acd-gcard figcaption {
    font-size: 11px;
  }
}

@media (min-width: 414px) {
  .mobilef1acd-ggrid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .mobilef1acd-hero h1 {
    font-size: 26px;
  }
}

/* keep large tiles stable across widths */
@media (min-width: 414px) {
  .mobilef1acd-gcard-big {
    grid-column: span 2;
  }
}

/* ---------- accessibility: calm motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}