/* ============================================================
   kb333 base stylesheet (mobile-first phone canvas, 320-430px)
   All classes and variables use the shell7d469- prefix.
   Palette: #1E90FF / #5F9EA0 / #0D1117 / #87CEEB
   Direction: geometric headings + neutral body, small radius
   high density, horizontal icon-name game bars, intro-then-
   sections rhythm, slide-in menu + light card lift, segmented
   action buttons.
   ============================================================ */

:root{
  --shell7d469-bg: #0D1117;
  --shell7d469-bg-deep: #090D12;
  --shell7d469-surface: #141D28;
  --shell7d469-surface-2: #1A2532;
  --shell7d469-line: #2A3949;
  --shell7d469-line-soft: #202D3B;
  --shell7d469-primary: #1E90FF;
  --shell7d469-primary-deep: #1668C4;
  --shell7d469-primary-soft: rgba(30,144,255,.16);
  --shell7d469-teal: #5F9EA0;
  --shell7d469-teal-soft: rgba(95,158,160,.18);
  --shell7d469-sky: #87CEEB;
  --shell7d469-text: #E9F2FA;
  --shell7d469-muted: #A7B9C9;
  --shell7d469-dim: #7C90A3;
  --shell7d469-radius: 6px;
  --shell7d469-radius-lg: 8px;
  --shell7d469-topbar-h: 104px;
  --shell7d469-bottomnav-h: 66px;
  --shell7d469-font-head: "Poppins", "Segoe UI", "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi", sans-serif;
  --shell7d469-font-body: "Segoe UI", "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi", Arial, sans-serif;
}

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

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

body{
  background: #05080D;
  color: var(--shell7d469-text);
  font-family: var(--shell7d469-font-body);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.shell7d469-page{
  position: relative;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background:
    radial-gradient(1200px 380px at 50% -140px, rgba(30,144,255,.16), transparent 70%),
    var(--shell7d469-bg);
  box-shadow: 0 0 48px rgba(0,0,0,.55);
  overflow-x: hidden;
}

img{ display: block; max-width: 100%; }
button{ font-family: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a{ color: var(--shell7d469-sky); text-decoration: none; }

:focus-visible{
  outline: 2px solid var(--shell7d469-sky);
  outline-offset: 2px;
  border-radius: 3px;
}

.shell7d469-sr{
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}

/* ---------- top bar: two layers (brand row + action row) ---------- */
.shell7d469-topbar{
  position: fixed;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 60;
  background: linear-gradient(180deg, rgba(13,17,23,.98), rgba(13,17,23,.94));
  border-bottom: 1px solid var(--shell7d469-line);
  backdrop-filter: blur(8px);
}

/* brand layer: logo + site name only */
.shell7d469-brandrow{
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 54px;
  padding: 8px 12px 4px;
}
.shell7d469-logo{
  width: 38px; height: 38px;
  border-radius: var(--shell7d469-radius);
  border: 1px solid var(--shell7d469-line);
  background: var(--shell7d469-surface);
  object-fit: cover;
  flex: 0 0 auto;
}
.shell7d469-site-name{
  font-family: var(--shell7d469-font-head);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--shell7d469-text);
}
.shell7d469-site-name b{ color: var(--shell7d469-primary); font-weight: 700; }

/* action layer: segmented register / login + menu toggle */
.shell7d469-actionrow{
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 2px 12px 8px;
}
.shell7d469-seg{
  display: flex;
  flex: 1;
  border: 1px solid var(--shell7d469-line);
  border-radius: var(--shell7d469-radius);
  overflow: hidden;
  background: var(--shell7d469-surface);
}
.shell7d469-seg-btn{
  flex: 1;
  min-height: 40px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background .18s ease, transform .12s ease;
}
.shell7d469-seg-btn + .shell7d469-seg-btn{
  border-left: 1px solid var(--shell7d469-line);
}
.shell7d469-seg-join{ color: var(--shell7d469-bg); background: linear-gradient(180deg, #3FA2FF, var(--shell7d469-primary)); }
.shell7d469-seg-join:active{ transform: scale(.96); }
.shell7d469-seg-in{ color: var(--shell7d469-sky); background: var(--shell7d469-surface-2); }
.shell7d469-seg-in:active{ transform: scale(.96); }

.shell7d469-menubtn{
  width: 46px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--shell7d469-line);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  color: var(--shell7d469-sky);
  transition: transform .12s ease, background .18s ease;
}
.shell7d469-menubtn:active{ transform: scale(.94); }
.shell7d469-menubtn svg{ width: 20px; height: 20px; }

/* expandable menu panel (slide-in) */
.shell7d469-menupanel{
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: rgba(10,14,20,.985);
  border-bottom: 1px solid var(--shell7d469-line);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: transform .22s ease, opacity .22s ease, visibility .22s ease;
  max-height: calc(100vh - var(--shell7d469-topbar-h));
  overflow-y: auto;
}
.shell7d469-menupanel.shell7d469-menu-open{
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.shell7d469-menu-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 10px 12px 14px;
}
.shell7d469-menu-link{
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  color: var(--shell7d469-text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  transition: transform .12s ease, border-color .18s ease, background .18s ease;
}
.shell7d469-menu-link:active{ transform: scale(.97); }
.shell7d469-menu-link.shell7d469-is-here{
  border-color: var(--shell7d469-primary);
  background: var(--shell7d469-primary-soft);
  box-shadow: inset 0 2px 0 var(--shell7d469-primary);
}
.shell7d469-menu-link svg{ width: 17px; height: 17px; color: var(--shell7d469-sky); flex: 0 0 auto; }

/* ---------- main canvas ---------- */
.shell7d469-main{
  padding: calc(var(--shell7d469-topbar-h) + 12px) 12px calc(var(--shell7d469-bottomnav-h) + 26px);
}

/* hero: intro lead + segmented CTA */
.shell7d469-hero{
  border: 1px solid var(--shell7d469-line);
  border-radius: var(--shell7d469-radius-lg);
  background:
    linear-gradient(160deg, rgba(30,144,255,.14), rgba(95,158,160,.08) 55%, rgba(13,17,23,0)),
    var(--shell7d469-surface);
  padding: 16px 14px 14px;
}
.shell7d469-hero h1{
  font-family: var(--shell7d469-font-head);
  font-size: 21px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--shell7d469-text);
}
.shell7d469-hero h1 em{
  font-style: normal;
  color: var(--shell7d469-primary);
}
.shell7d469-lead{
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--shell7d469-muted);
}
.shell7d469-hero-seg{
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.shell7d469-hero-seg .shell7d469-btn{
  flex: 1;
}

/* segmented action buttons */
.shell7d469-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--shell7d469-radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  border: 1px solid var(--shell7d469-line);
  transition: transform .12s ease, filter .18s ease, background .18s ease;
}
.shell7d469-btn:active{ transform: scale(.96); }
.shell7d469-btn-solid{
  background: linear-gradient(180deg, #3FA2FF, var(--shell7d469-primary));
  color: #08131F;
}
.shell7d469-btn-line{
  background: var(--shell7d469-surface-2);
  color: var(--shell7d469-sky);
}
.shell7d469-btn-quiet{
  background: var(--shell7d469-teal-soft);
  border-color: rgba(95,158,160,.45);
  color: #BFE6EA;
}

/* ---------- carousel ---------- */
.shell7d469-carousel{
  position: relative;
  margin-top: 12px;
  border: 1px solid var(--shell7d469-line);
  border-radius: var(--shell7d469-radius-lg);
  overflow: hidden;
  background: var(--shell7d469-bg-deep);
}
.shell7d469-track{ position: relative; aspect-ratio: 2 / 1; }
.shell7d469-slide{
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transform: translateX(10px) scale(.985);
  transition: opacity .38s ease, transform .38s ease;
}
.shell7d469-slide-on{ opacity: 1; transform: translateX(0) scale(1); }
.shell7d469-slide img{
  width: 100%; height: 100%;
  object-fit: cover;
}
.shell7d469-slide-cap{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 26px 12px 10px;
  background: linear-gradient(180deg, rgba(9,13,18,0), rgba(9,13,18,.9));
  text-align: left;
}
.shell7d469-slide-cap span{
  font-size: 12.5px;
  font-weight: 600;
  color: var(--shell7d469-text);
  line-height: 1.45;
}
.shell7d469-slide-cap i{
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
  color: #08131F;
  background: var(--shell7d469-sky);
  border-radius: 999px;
  padding: 5px 10px;
  white-space: nowrap;
}
.shell7d469-cnav{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--shell7d469-text);
  background: rgba(9,13,18,.55);
  border-radius: var(--shell7d469-radius);
  transition: transform .12s ease, background .18s ease;
}
.shell7d469-cnav:active{ transform: translateY(-50%) scale(.92); }
.shell7d469-cprev{ left: 6px; }
.shell7d469-cnext{ right: 6px; }
.shell7d469-cnav svg{ width: 16px; height: 16px; }
.shell7d469-dots{
  position: absolute;
  left: 0; right: 0; bottom: 8px;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.shell7d469-dot{
  width: 7px; height: 7px;
  border-radius: 999px;
  background: rgba(233,242,250,.35);
  transition: width .2s ease, background .2s ease;
}
.shell7d469-dot-on{
  width: 18px;
  background: var(--shell7d469-sky);
}

/* ---------- trust strip ---------- */
.shell7d469-trust{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 10px;
}
.shell7d469-trust-cell{
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  padding: 8px 6px;
  text-align: center;
}
.shell7d469-trust-cell b{
  display: block;
  font-family: var(--shell7d469-font-head);
  font-size: 14px;
  color: var(--shell7d469-sky);
}
.shell7d469-trust-cell span{ font-size: 10.5px; color: var(--shell7d469-dim); line-height: 1.4; display: block; }

/* ---------- section shells (intro-then-sections rhythm) ---------- */
.shell7d469-section{ margin-top: 22px; }
.shell7d469-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--shell7d469-teal);
  border: 1px solid rgba(95,158,160,.4);
  border-radius: 999px;
  padding: 3px 9px;
  background: var(--shell7d469-teal-soft);
}
.shell7d469-h2{
  font-family: var(--shell7d469-font-head);
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--shell7d469-text);
  margin: 8px 0 2px;
}
.shell7d469-h2 b{ color: var(--shell7d469-primary); }
.shell7d469-intro{
  font-size: 13px;
  color: var(--shell7d469-muted);
  margin: 6px 0 10px;
}
.shell7d469-body-p{
  font-size: 13.5px;
  color: var(--shell7d469-muted);
  margin: 8px 0;
}
.shell7d469-body-p strong{ color: var(--shell7d469-text); font-weight: 600; }
.shell7d469-body-p a{
  color: var(--shell7d469-sky);
  border-bottom: 1px dashed rgba(135,206,235,.55);
  font-weight: 600;
}

/* ---------- game area: horizontal icon-name bars ---------- */
.shell7d469-cat-head{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid var(--shell7d469-line);
  border-left: 3px solid var(--shell7d469-primary);
  border-radius: var(--shell7d469-radius);
  background: linear-gradient(90deg, var(--shell7d469-primary-soft), rgba(20,29,40,.9));
}
.shell7d469-cat-head svg{ width: 18px; height: 18px; color: var(--shell7d469-sky); flex: 0 0 auto; }
.shell7d469-cat-count{
  margin-left: auto;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--shell7d469-teal);
  border: 1px solid rgba(95,158,160,.45);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}
.shell7d469-gamegrid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
  margin-top: 9px;
}
.shell7d469-gcard{
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  min-height: 62px;
  min-width: 0;
  padding: 5px;
  text-align: left;
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  transition: transform .14s ease, border-color .18s ease, box-shadow .18s ease;
}
.shell7d469-gcard:hover{
  transform: translateY(-2px);
  border-color: rgba(30,144,255,.6);
  box-shadow: 0 6px 14px rgba(0,0,0,.35);
}
.shell7d469-gcard:active{ transform: scale(.97); }
.shell7d469-gcard img{
  width: 40px; height: 40px;
  border-radius: 5px;
  object-fit: cover;
  border: 1px solid var(--shell7d469-line);
  flex: 0 0 auto;
  background: var(--shell7d469-bg-deep);
}
.shell7d469-gcard-name{
  min-width: 0;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--shell7d469-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- winners feed ---------- */
.shell7d469-winners{
  border: 1px solid var(--shell7d469-line);
  border-radius: var(--shell7d469-radius-lg);
  background: var(--shell7d469-surface);
  overflow: hidden;
}
.shell7d469-win-row{
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  border-bottom: 1px solid var(--shell7d469-line-soft);
}
.shell7d469-win-row:last-child{ border-bottom: 0; }
.shell7d469-win-ava{
  width: 30px; height: 30px;
  border-radius: 999px;
  background: var(--shell7d469-teal-soft);
  border: 1px solid rgba(95,158,160,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--shell7d469-sky);
  flex: 0 0 auto;
}
.shell7d469-win-meta{ flex: 1; min-width: 0; }
.shell7d469-win-meta b{
  display: block;
  font-size: 12px;
  color: var(--shell7d469-text);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shell7d469-win-meta span{ font-size: 10.5px; color: var(--shell7d469-dim); }
.shell7d469-win-amt{
  font-family: var(--shell7d469-font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--shell7d469-sky);
  white-space: nowrap;
}

/* ---------- features grid ---------- */
.shell7d469-features{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}
.shell7d469-feat{
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  padding: 10px;
}
.shell7d469-feat svg{ width: 18px; height: 18px; color: var(--shell7d469-primary); }
.shell7d469-feat b{
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--shell7d469-text);
}
.shell7d469-feat p{ margin-top: 3px; font-size: 11.5px; color: var(--shell7d469-muted); line-height: 1.55; }

/* ---------- direct answer ---------- */
.shell7d469-answer{
  border: 1px solid rgba(30,144,255,.4);
  border-radius: var(--shell7d469-radius-lg);
  background:
    linear-gradient(180deg, rgba(30,144,255,.1), rgba(20,29,40,.6)),
    var(--shell7d469-surface);
  padding: 13px;
}
.shell7d469-answer-q{
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--shell7d469-text);
}
.shell7d469-answer-q svg{ width: 17px; height: 17px; color: var(--shell7d469-sky); flex: 0 0 auto; margin-top: 3px; }
.shell7d469-answer p{ margin-top: 7px; font-size: 13px; color: var(--shell7d469-muted); }
.shell7d469-answer ul{
  margin: 8px 0 0 16px;
  font-size: 12.5px;
  color: var(--shell7d469-muted);
}
.shell7d469-answer li{ margin: 4px 0; }
.shell7d469-answer li b{ color: var(--shell7d469-text); font-weight: 600; }

/* ---------- CTA block ---------- */
.shell7d469-cta{
  border: 1px solid var(--shell7d469-line);
  border-radius: var(--shell7d469-radius-lg);
  background:
    radial-gradient(240px 120px at 85% -30%, rgba(95,158,160,.22), transparent 70%),
    var(--shell7d469-surface-2);
  padding: 14px;
  text-align: center;
}
.shell7d469-cta p{ font-size: 13px; color: var(--shell7d469-muted); margin-top: 6px; }
.shell7d469-cta-row{
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.shell7d469-cta-row .shell7d469-btn{ flex: 1; }
.shell7d469-cta-note{
  margin-top: 10px;
  font-size: 11px;
  color: var(--shell7d469-dim);
}

/* ---------- extended home footer ---------- */
.shell7d469-xf{
  margin-top: 26px;
  border-top: 1px dashed var(--shell7d469-line);
  padding-top: 16px;
}
.shell7d469-xf-title{
  font-family: var(--shell7d469-font-head);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--shell7d469-text);
  margin: 14px 0 8px;
}
.shell7d469-xf-title:first-child{ margin-top: 0; }
.shell7d469-xf-title span{ color: var(--shell7d469-teal); }

/* page directory: horizontal shortcut chips */
.shell7d469-dir{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}
.shell7d469-dir a{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 62px;
  padding: 8px 5px;
  text-align: center;
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  color: var(--shell7d469-text);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  transition: transform .12s ease, border-color .18s ease;
}
.shell7d469-dir a:active{ transform: scale(.95); }
.shell7d469-dir svg{ width: 17px; height: 17px; color: var(--shell7d469-sky); }

/* brand note */
.shell7d469-xf-brand{
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  padding: 11px;
  font-size: 12.5px;
  color: var(--shell7d469-muted);
}
.shell7d469-xf-brand b{ color: var(--shell7d469-text); }

/* promotion shortcuts */
.shell7d469-promos{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
.shell7d469-promo{
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 8px 10px;
  border: 1px solid rgba(30,144,255,.35);
  border-radius: var(--shell7d469-radius);
  background: linear-gradient(90deg, var(--shell7d469-primary-soft), rgba(26,37,50,.9));
  font-size: 12px;
  font-weight: 600;
  color: var(--shell7d469-text);
  text-align: left;
  transition: transform .12s ease, border-color .18s ease;
}
.shell7d469-promo:active{ transform: scale(.96); }
.shell7d469-promo svg{ width: 16px; height: 16px; color: var(--shell7d469-sky); flex: 0 0 auto; }

/* disclaimer */
.shell7d469-xf-note{
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.65;
  color: var(--shell7d469-dim);
  border-left: 2px solid var(--shell7d469-line);
  padding-left: 9px;
}

/* ---------- generic footer ---------- */
.shell7d469-footer{
  margin-top: 18px;
  padding: 12px 0 4px;
  border-top: 1px solid var(--shell7d469-line-soft);
  text-align: center;
  font-size: 11.5px;
  color: var(--shell7d469-dim);
}

/* ---------- bottom nav: layered bar, top indicator line ---------- */
.shell7d469-bottomnav{
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 60;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  background: linear-gradient(180deg, rgba(16,23,32,.97), rgba(9,13,18,.99));
  border-top: 1px solid var(--shell7d469-line);
  padding: 4px 2px calc(4px + env(safe-area-inset-bottom, 0px));
  backdrop-filter: blur(8px);
}
.shell7d469-bn-item{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 56px;
  padding: 5px 2px 3px;
  color: var(--shell7d469-muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  transition: color .16s ease, transform .12s ease;
}
.shell7d469-bn-item svg{ width: 20px; height: 20px; }
.shell7d469-bn-item:active{ transform: scale(.92); }
.shell7d469-bn-item::before{
  /* active indicator line at the top of the item */
  content: "";
  position: absolute;
  top: -4px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 26px; height: 3px;
  border-radius: 999px;
  background: var(--shell7d469-sky);
  transition: transform .2s ease;
}
.shell7d469-bn-item.shell7d469-is-active{ color: var(--shell7d469-sky); }
.shell7d469-bn-item.shell7d469-is-active::before{ transform: translateX(-50%) scaleX(1); }
.shell7d469-bn-item .shell7d469-bn-go{
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--shell7d469-primary);
  background: var(--shell7d469-primary-soft);
  border-radius: 999px;
  padding: 1px 6px;
  margin-top: 1px;
}

/* ---------- responsive tuning inside 320-430px ---------- */
@media (min-width: 375px){
  .shell7d469-hero h1{ font-size: 22px; }
  .shell7d469-h2{ font-size: 17.5px; }
  .shell7d469-gcard-name{ font-size: 11.5px; }
}
@media (min-width: 375px){
  .shell7d469-gamegrid{ grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (min-width: 400px){
  .shell7d469-gcard{ gap: 5px; padding: 6px; }
  .shell7d469-gcard img{ width: 42px; height: 42px; }
  .shell7d469-gcard-name{ font-size: 11.5px; }
}
@media (min-width: 400px){
  .shell7d469-dir{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 359px){
  /* Keep four compact game columns on the narrowest phones. */
  .shell7d469-gamegrid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .shell7d469-promos,
  .shell7d469-features{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shell7d469-trust{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .shell7d469-slide-cap span{ font-size: 11.5px; }
}

/* ---------- help page reading patterns ---------- */
.shell7d469-help-hero{
  border-left: 3px solid var(--shell7d469-sky);
  padding: 12px 13px;
  background: linear-gradient(90deg, rgba(135,206,235,.12), rgba(20,29,40,.5));
}
.shell7d469-checklist{
  list-style: none;
  display: grid;
  gap: 7px;
  margin-top: 10px;
}
.shell7d469-checklist li{
  display: grid;
  grid-template-columns: 28px minmax(0,1fr);
  gap: 8px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  color: var(--shell7d469-muted);
  font-size: 13px;
}
.shell7d469-checklist li b{
  display: flex;
  width: 28px; height: 28px;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--shell7d469-primary-soft);
  color: var(--shell7d469-sky);
  font-size: 12px;
}
.shell7d469-signal{
  display: grid;
  gap: 7px;
  margin-top: 10px;
}
.shell7d469-signal div{
  padding: 10px 11px;
  border-right: 3px solid var(--shell7d469-teal);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface-2);
}
.shell7d469-signal b{ display: block; color: var(--shell7d469-text); font-size: 13px; }
.shell7d469-signal span{ display: block; margin-top: 3px; color: var(--shell7d469-muted); font-size: 12px; }
.shell7d469-promo-row{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 7px;
  margin-top: 10px;
}
.shell7d469-promo-row button{ min-height: 48px; }
.shell7d469-faq-list{ display: grid; gap: 8px; margin-top: 10px; }
.shell7d469-faq-list details{
  border: 1px solid var(--shell7d469-line-soft);
  border-radius: var(--shell7d469-radius);
  background: var(--shell7d469-surface);
  padding: 10px 11px;
}
.shell7d469-faq-list summary{ cursor: pointer; color: var(--shell7d469-text); font-weight: 700; font-size: 13px; }
.shell7d469-faq-list details p{ margin-top: 7px; color: var(--shell7d469-muted); font-size: 12.5px; }
.shell7d469-tip-table{ display: grid; gap: 7px; margin-top: 10px; }
.shell7d469-tip-row{
  display: grid;
  grid-template-columns: 78px minmax(0,1fr);
  gap: 9px;
  align-items: start;
  padding: 10px;
  border-bottom: 1px solid var(--shell7d469-line-soft);
}
.shell7d469-tip-row b{ color: var(--shell7d469-sky); font-size: 12px; }
.shell7d469-tip-row span{ color: var(--shell7d469-muted); font-size: 12.5px; }

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; animation: none !important; }
}
