/* ==========================================================================
   ab77.click  ·  viewport-adaptive-7a1b7c.css
   Mobile-first canvas (320-430px). Prefix: uia1b7c-
   Palette: ink #1C2833 · paper #EEE8AA · accent #00FF7F
   Direction: geometric headings / near-square corners / light float tiles /
   segmented action buttons / state-color-only motion
   ========================================================================== */

/* ---------- tokens ---------- */
:root {
  --uia1b7c-ink: #1C2833;
  --uia1b7c-ink-deep: #101820;
  --uia1b7c-ink-lift: #212E3B;
  --uia1b7c-paper: #EEE8AA;
  --uia1b7c-paper-soft: rgba(238, 232, 170, 0.72);
  --uia1b7c-paper-dim: rgba(238, 232, 170, 0.55);
  --uia1b7c-accent: #00FF7F;
  --uia1b7c-accent-deep: #00c964;
  --uia1b7c-accent-wash: rgba(0, 255, 127, 0.14);
  --uia1b7c-line: rgba(238, 232, 170, 0.18);
  --uia1b7c-line-soft: rgba(238, 232, 170, 0.10);
  --uia1b7c-tile: rgba(238, 232, 170, 0.055);
  --uia1b7c-tile-lift: rgba(238, 232, 170, 0.09);
  --uia1b7c-r: 3px;          /* near-square, tool-like */
  --uia1b7c-r-lg: 5px;
  --uia1b7c-font-head: "Avenir Next", Futura, "Century Gothic", "Trebuchet MS", "Noto Sans Bengali", "Hind Siliguri", sans-serif;
  --uia1b7c-font-body: "Segoe UI", "Noto Sans Bengali", "Hind Siliguri", system-ui, -apple-system, sans-serif;
  --uia1b7c-tap: 44px;       /* minimum touch target */
  --uia1b7c-topbar-h: 56px;
  --uia1b7c-bnav-h: 62px;
  --uia1b7c-canvas-max: 430px;
}

/* ---------- reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--uia1b7c-font-body);
  background: var(--uia1b7c-ink-deep);
  color: var(--uia1b7c-paper);
  line-height: 1.62;
  font-size: 15px;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; border: 0; }
a { color: var(--uia1b7c-accent); text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--uia1b7c-font-head); font-weight: 700; line-height: 1.3; }
:focus-visible { outline: 2px solid var(--uia1b7c-accent); outline-offset: 2px; }

.uia1b7c-visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip: rect(0 0 0 0); clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ---------- phone canvas ---------- */
.uia1b7c-canvas {
  position: relative;
  width: 100%;
  max-width: var(--uia1b7c-canvas-max); /* 430px ceiling, centered on wide screens */
  margin: 0 auto;
  min-height: 100vh;
  background: var(--uia1b7c-ink);
  box-shadow: 0 0 0 1px rgba(238, 232, 170, 0.06), 0 0 44px rgba(0, 0, 0, 0.5);
  overflow-x: clip;
}
.uia1b7c-main { padding-bottom: calc(var(--uia1b7c-bnav-h) + 26px + env(safe-area-inset-bottom, 0px)); }

/* ---------- top brand bar (compact) ---------- */
.uia1b7c-topbar {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; gap: 8px;
  min-height: var(--uia1b7c-topbar-h);
  padding: 8px 12px;
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
  background: rgba(28, 40, 51, 0.96);
  border-bottom: 1px solid var(--uia1b7c-line);
  backdrop-filter: blur(6px);
}
.uia1b7c-brand {
  display: flex; align-items: center; gap: 9px;
  margin-right: auto; min-width: 0;
}
.uia1b7c-brand-logo {
  width: 34px; height: 34px; flex: 0 0 34px;
  object-fit: contain;
  border-radius: var(--uia1b7c-r);
  background: var(--uia1b7c-tile);
}
.uia1b7c-brand-name {
  font-family: var(--uia1b7c-font-head);
  font-size: 1.22rem; font-weight: 800; letter-spacing: 0.04em;
  color: var(--uia1b7c-paper); white-space: nowrap;
}
.uia1b7c-brand-name b { color: var(--uia1b7c-accent); font-weight: 800; }

/* top action area */
.uia1b7c-topacts { display: flex; align-items: center; gap: 7px; }
.uia1b7c-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--uia1b7c-tap); min-width: var(--uia1b7c-tap);
  padding: 9px 13px;
  border-radius: var(--uia1b7c-r);
  font-family: var(--uia1b7c-font-head); font-size: 0.86rem; font-weight: 700;
  letter-spacing: 0.02em; text-align: center;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.uia1b7c-btn-solid { background: var(--uia1b7c-accent); color: #0d1f16; }
.uia1b7c-btn-solid:hover, .uia1b7c-btn-solid:active { background: var(--uia1b7c-accent-deep); }
.uia1b7c-btn-ghost { border: 1px solid var(--uia1b7c-line); color: var(--uia1b7c-paper-soft); }
.uia1b7c-btn-ghost:hover, .uia1b7c-btn-ghost:active { border-color: var(--uia1b7c-accent); color: var(--uia1b7c-accent); }
.uia1b7c-menu-btn { padding: 9px 11px; }
.uia1b7c-menu-btn svg { display: block; }

/* ---------- slide-up route panel ---------- */
.uia1b7c-menu-backdrop {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(10, 15, 20, 0.62);
  opacity: 0; visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}
.uia1b7c-menupanel {
  position: fixed; z-index: 80;
  left: 50%; bottom: 0;
  width: 100%; max-width: var(--uia1b7c-canvas-max);
  transform: translate(-50%, 102%);
  transition: transform 0.26s ease;
  background: var(--uia1b7c-ink-lift);
  border: 1px solid var(--uia1b7c-line); border-bottom: 0;
  border-radius: var(--uia1b7c-r-lg) var(--uia1b7c-r-lg) 0 0;
  padding: 14px 14px calc(18px + env(safe-area-inset-bottom, 0px));
  max-height: 74vh; overflow-y: auto;
}
.uia1b7c-is-open .uia1b7c-menupanel { transform: translate(-50%, 0); }
.uia1b7c-is-open .uia1b7c-menu-backdrop { opacity: 1; visibility: visible; }
.uia1b7c-menupanel-grip {
  width: 44px; height: 4px; margin: 0 auto 12px;
  background: var(--uia1b7c-line); border-radius: 2px;
}
.uia1b7c-menupanel-title {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--uia1b7c-paper-dim); margin: 12px 2px 7px;
}
.uia1b7c-menu-routes { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.uia1b7c-menu-link {
  display: flex; align-items: center; min-height: var(--uia1b7c-tap);
  padding: 10px 12px;
  background: var(--uia1b7c-tile);
  border: 1px solid var(--uia1b7c-line-soft);
  border-radius: var(--uia1b7c-r);
  color: var(--uia1b7c-paper-soft); font-size: 0.92rem; font-weight: 600;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.uia1b7c-menu-link:hover, .uia1b7c-menu-link:active {
  background: var(--uia1b7c-accent-wash); color: var(--uia1b7c-accent); border-color: var(--uia1b7c-accent);
}
.uia1b7c-menu-cta { margin-top: 14px; display: flex; gap: 8px; }
.uia1b7c-menu-cta .uia1b7c-btn { flex: 1; }

/* ---------- hero ---------- */
.uia1b7c-hero { padding: 20px 14px 4px; }
.uia1b7c-hero-kicker {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--uia1b7c-accent); margin-bottom: 10px;
}
.uia1b7c-hero-kicker::before {
  content: ""; width: 18px; height: 2px; background: var(--uia1b7c-accent);
}
.uia1b7c-hero h1 {
  font-size: 1.62rem; letter-spacing: 0.01em; margin-bottom: 10px; color: var(--uia1b7c-paper);
}
.uia1b7c-hero h1 span { color: var(--uia1b7c-accent); }
.uia1b7c-hero-lead { color: var(--uia1b7c-paper-soft); font-size: 0.94rem; margin-bottom: 16px; }

/* segmented action buttons */
.uia1b7c-ctaseg {
  display: flex; width: 100%;
  border: 1px solid var(--uia1b7c-accent);
  border-radius: var(--uia1b7c-r);
  overflow: hidden;
}
.uia1b7c-ctaseg-btn {
  flex: 1 1 0; min-height: 48px; padding: 12px 6px;
  font-family: var(--uia1b7c-font-head); font-size: 0.9rem; font-weight: 700;
  border-right: 1px solid rgba(0, 255, 127, 0.45);
  transition: background-color 0.18s ease, color 0.18s ease;
}
.uia1b7c-ctaseg-btn:last-child { border-right: 0; }
.uia1b7c-ctaseg-btn--prime { background: var(--uia1b7c-accent); color: #0d1f16; }
.uia1b7c-ctaseg-btn--prime:hover, .uia1b7c-ctaseg-btn--prime:active { background: var(--uia1b7c-accent-deep); }
.uia1b7c-ctaseg-btn--plain { background: transparent; color: var(--uia1b7c-accent); }
.uia1b7c-ctaseg-btn--plain:hover, .uia1b7c-ctaseg-btn--plain:active { background: var(--uia1b7c-accent-wash); }

/* trust chips */
.uia1b7c-chips {
  display: flex; gap: 6px; margin: 14px 0 2px; flex-wrap: wrap;
}
.uia1b7c-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 9px; font-size: 0.74rem; font-weight: 600;
  color: var(--uia1b7c-paper-dim);
  background: var(--uia1b7c-tile);
  border: 1px solid var(--uia1b7c-line-soft);
  border-radius: var(--uia1b7c-r);
}
.uia1b7c-chip::before { content: ""; width: 6px; height: 6px; background: var(--uia1b7c-accent); border-radius: 1px; }

/* ---------- carousel ---------- */
.uia1b7c-carousel { position: relative; margin: 16px 0 4px; }
.uia1b7c-track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  border: 1px solid var(--uia1b7c-line);
  border-radius: var(--uia1b7c-r-lg);
  scrollbar-width: none;
}
.uia1b7c-track::-webkit-scrollbar { display: none; }
.uia1b7c-slide {
  position: relative; flex: 0 0 100%; scroll-snap-align: center;
  aspect-ratio: 10 / 7; overflow: hidden;
}
.uia1b7c-slide img { width: 100%; height: 100%; object-fit: cover; }
.uia1b7c-slide-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 26px 12px 12px;
  background: linear-gradient(180deg, rgba(16, 24, 32, 0) 0%, rgba(16, 24, 32, 0.88) 78%);
}
.uia1b7c-slide-cap p {
  font-family: var(--uia1b7c-font-head);
  font-size: 0.92rem; font-weight: 700; color: var(--uia1b7c-paper); line-height: 1.35;
}
.uia1b7c-slide-cap .uia1b7c-btn { padding: 9px 12px; flex: 0 0 auto; }
.uia1b7c-dots {
  position: absolute; left: 0; right: 0; bottom: -22px;
  display: flex; justify-content: center; gap: 7px;
}
.uia1b7c-dot {
  width: 22px; height: 4px; padding: 0;
  background: var(--uia1b7c-line);
  border-radius: 2px;
  transition: background-color 0.18s ease;
}
.uia1b7c-dot--on { background: var(--uia1b7c-accent); }

/* ---------- generic section shell ---------- */
.uia1b7c-sec { padding: 26px 14px 6px; }
.uia1b7c-sec-head { margin-bottom: 12px; }
.uia1b7c-sec-title {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 1.18rem; color: var(--uia1b7c-paper); margin-bottom: 6px;
}
.uia1b7c-sec-title::before {
  content: ""; flex: 0 0 4px; width: 4px; height: 1em; align-self: center;
  background: var(--uia1b7c-accent);
}
.uia1b7c-sec-note { font-size: 0.86rem; color: var(--uia1b7c-paper-dim); }

/* ---------- game grid & float tiles ---------- */
.uia1b7c-games-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.uia1b7c-gcard {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  width: 100%; padding: 7px 4px 8px; min-height: var(--uia1b7c-tap);
  background: var(--uia1b7c-tile);
  border: 1px solid var(--uia1b7c-line-soft);
  border-radius: var(--uia1b7c-r);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.22); /* light floating tile */
  transition: background-color 0.18s ease, border-color 0.18s ease;
}
.uia1b7c-gcard:hover, .uia1b7c-gcard:active { background: var(--uia1b7c-tile-lift); border-color: var(--uia1b7c-accent); }
.uia1b7c-gcard-img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 2px; background: var(--uia1b7c-ink-lift);
}
.uia1b7c-gcard-name {
  font-size: 0.66rem; font-weight: 600; line-height: 1.3;
  color: var(--uia1b7c-paper-soft); text-align: center;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; overflow-wrap: anywhere;
}
.uia1b7c-secmore {
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px;
  margin-top: 12px; padding: 10px 11px;
  background: var(--uia1b7c-tile);
  border-left: 3px solid var(--uia1b7c-accent);
  border-radius: var(--uia1b7c-r);
  font-size: 0.82rem; color: var(--uia1b7c-paper-dim);
}
.uia1b7c-secmore a { font-weight: 700; }
.uia1b7c-secmore a:hover, .uia1b7c-secmore a:active { color: var(--uia1b7c-paper); }

/* ---------- content modules ---------- */
.uia1b7c-module { padding: 24px 14px 4px; }
.uia1b7c-module + .uia1b7c-module { padding-top: 10px; }
.uia1b7c-module-head { margin-bottom: 10px; }
.uia1b7c-module-head h2 {
  font-size: 1.12rem; color: var(--uia1b7c-paper); margin-bottom: 5px;
}
.uia1b7c-module-lead { font-size: 0.88rem; color: var(--uia1b7c-paper-dim); margin-bottom: 12px; }
.uia1b7c-module p { color: var(--uia1b7c-paper-soft); font-size: 0.9rem; margin-bottom: 10px; }
.uia1b7c-module p a { font-weight: 700; }

/* steps module */
.uia1b7c-steps { counter-reset: uia1b7cstep; }
.uia1b7c-step {
  position: relative; counter-increment: uia1b7cstep;
  padding: 10px 10px 10px 44px; margin-bottom: 7px;
  background: var(--uia1b7c-tile);
  border: 1px solid var(--uia1b7c-line-soft);
  border-radius: var(--uia1b7c-r);
}
.uia1b7c-step::before {
  content: counter(uia1b7cstep, decimal-leading-zero);
  position: absolute; left: 10px; top: 10px;
  font-family: var(--uia1b7c-font-head);
  font-size: 0.82rem; font-weight: 800; color: var(--uia1b7c-accent);
}
.uia1b7c-step h3 { font-size: 0.92rem; color: var(--uia1b7c-paper); margin-bottom: 3px; }
.uia1b7c-step p { margin: 0; font-size: 0.84rem; }

/* comparison rows */
.uia1b7c-cmp { border: 1px solid var(--uia1b7c-line-soft); border-radius: var(--uia1b7c-r); overflow: hidden; }
.uia1b7c-cmp-row {
  display: grid; grid-template-columns: 1.1fr 1fr 1.4fr;
  padding: 10px 10px;
  border-bottom: 1px solid var(--uia1b7c-line-soft);
  font-size: 0.8rem; color: var(--uia1b7c-paper-soft);
}
.uia1b7c-cmp-row:last-child { border-bottom: 0; }
.uia1b7c-cmp-row--head {
  background: var(--uia1b7c-tile-lift);
  font-family: var(--uia1b7c-font-head);
  font-size: 0.74rem; font-weight: 800; letter-spacing: 0.05em;
  color: var(--uia1b7c-accent); text-transform: uppercase;
}
.uia1b7c-cmp-row b { color: var(--uia1b7c-paper); font-weight: 700; }

/* milestone rail */
.uia1b7c-milestones { position: relative; padding-left: 18px; }
.uia1b7c-milestones::before {
  content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px;
  background: var(--uia1b7c-line);
}
.uia1b7c-milestone { position: relative; padding: 0 0 14px; }
.uia1b7c-milestone::before {
  content: ""; position: absolute; left: -18px; top: 6px;
  width: 12px; height: 12px;
  background: var(--uia1b7c-ink); border: 3px solid var(--uia1b7c-accent);
  border-radius: 2px;
}
.uia1b7c-milestone h3 { font-size: 0.94rem; color: var(--uia1b7c-paper); margin-bottom: 3px; }
.uia1b7c-milestone p { margin: 0; font-size: 0.85rem; }

/* feature tiles */
.uia1b7c-featgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.uia1b7c-feat {
  padding: 11px 11px 12px;
  background: var(--uia1b7c-tile);
  border: 1px solid var(--uia1b7c-line-soft);
  border-top: 2px solid var(--uia1b7c-accent);
  border-radius: var(--uia1b7c-r);
}
.uia1b7c-feat h3 { font-size: 0.9rem; color: var(--uia1b7c-paper); margin-bottom: 4px; }
.uia1b7c-feat p { margin: 0; font-size: 0.8rem; color: var(--uia1b7c-paper-dim); }

/* relation map */
.uia1b7c-rel { margin-bottom: 10px; }
.uia1b7c-rel-chain {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 10px 10px; margin-bottom: 5px;
  background: var(--uia1b7c-tile);
  border: 1px solid var(--uia1b7c-line-soft);
  border-radius: var(--uia1b7c-r);
}
.uia1b7c-rel-node {
  padding: 5px 9px; font-size: 0.78rem; font-weight: 700;
  color: var(--uia1b7c-paper); background: var(--uia1b7c-ink-lift);
  border: 1px solid var(--uia1b7c-line);
  border-radius: 2px;
}
.uia1b7c-rel-node--hi { color: #0d1f16; background: var(--uia1b7c-accent); border-color: var(--uia1b7c-accent); }
.uia1b7c-rel-arrow { font-size: 0.8rem; color: var(--uia1b7c-accent); font-weight: 800; }
.uia1b7c-rel p { margin: 0; font-size: 0.84rem; }

/* ---------- extended footer ---------- */
.uia1b7c-xfooter {
  margin-top: 28px; padding: 18px 14px 16px;
  border-top: 1px solid var(--uia1b7c-line);
  background: var(--uia1b7c-ink-deep);
}
.uia1b7c-xfooter-brand { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 16px; }
.uia1b7c-xfooter-brand img {
  width: 42px; height: 42px; flex: 0 0 42px; object-fit: contain;
  border-radius: var(--uia1b7c-r); background: var(--uia1b7c-tile);
}
.uia1b7c-xfooter-brand h2 { font-size: 1rem; color: var(--uia1b7c-paper); margin-bottom: 4px; }
.uia1b7c-xfooter-brand p { margin: 0; font-size: 0.8rem; color: var(--uia1b7c-paper-dim); }

/* horizontal promo shortcuts */
.uia1b7c-promoshort { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
.uia1b7c-promoshort::-webkit-scrollbar { display: none; }
.uia1b7c-promoshort-btn {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px;
  min-height: 42px; padding: 9px 12px;
  border: 1px solid rgba(0, 255, 127, 0.5);
  border-radius: var(--uia1b7c-r);
  font-family: var(--uia1b7c-font-head); font-size: 0.8rem; font-weight: 700;
  color: var(--uia1b7c-accent); white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease;
}
.uia1b7c-promoshort-btn:hover, .uia1b7c-promoshort-btn:active { background: var(--uia1b7c-accent); color: #0d1f16; }
.uia1b7c-promoshort-btn--fill { background: var(--uia1b7c-accent); color: #0d1f16; }
.uia1b7c-promoshort-btn--fill:hover, .uia1b7c-promoshort-btn--fill:active { background: var(--uia1b7c-accent-deep); }

/* page directory */
.uia1b7c-dir { margin-top: 16px; }
.uia1b7c-dir-title {
  font-size: 0.74rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--uia1b7c-paper-dim); margin-bottom: 8px;
}
.uia1b7c-dirgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 12px; }
.uia1b7c-dirgrid a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 0; min-height: 38px;
  font-size: 0.82rem; font-weight: 600; color: var(--uia1b7c-paper-soft);
  border-bottom: 1px solid var(--uia1b7c-line-soft);
}
.uia1b7c-dirgrid a::before { content: "▸"; color: var(--uia1b7c-accent); font-size: 0.7rem; }
.uia1b7c-dirgrid a:hover, .uia1b7c-dirgrid a:active { color: var(--uia1b7c-accent); }

/* conditional disclaimer */
.uia1b7c-disclaim {
  margin-top: 16px; padding: 10px 11px;
  border: 1px dashed var(--uia1b7c-line);
  border-radius: var(--uia1b7c-r);
  font-size: 0.74rem; line-height: 1.6; color: var(--uia1b7c-paper-dim);
}

/* ---------- common footer ---------- */
.uia1b7c-footer {
  padding: 14px; text-align: center;
  border-top: 1px solid var(--uia1b7c-line-soft);
  font-size: 0.76rem; color: var(--uia1b7c-paper-dim);
}
.uia1b7c-footer b { color: var(--uia1b7c-paper-soft); font-weight: 700; }

/* ---------- bottom nav rail ---------- */
.uia1b7c-bnav {
  position: fixed; z-index: 65;
  left: 50%; bottom: 0;
  width: 100%; max-width: var(--uia1b7c-canvas-max);
  transform: translateX(-50%);
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: rgba(23, 33, 43, 0.98);
  border-top: 1px solid var(--uia1b7c-line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  backdrop-filter: blur(6px);
}
.uia1b7c-bn-item {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  min-height: var(--uia1b7c-bnav-h); padding: 8px 2px 7px;
  color: var(--uia1b7c-paper-dim); font-size: 0.64rem; font-weight: 600;
  transition: color 0.18s ease;
}
.uia1b7c-bn-item svg { display: block; }
.uia1b7c-bn-item::after {           /* sliding indicator */
  content: ""; position: absolute; left: 50%; top: 0;
  width: 0; height: 3px; background: var(--uia1b7c-accent);
  transform: translateX(-50%);
  transition: width 0.2s ease;
}
.uia1b7c-bn-item:hover, .uia1b7c-bn-item:active { color: var(--uia1b7c-paper); }
.uia1b7c-bn-item--on { color: #0d1f16; background: var(--uia1b7c-accent); }
.uia1b7c-bn-item--on::after { width: 100%; background: var(--uia1b7c-paper); }
.uia1b7c-bn-item--on svg { stroke: #0d1f16; }

/* ---------- icon defaults (borderless symbols) ---------- */
.uia1b7c-ico { stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.uia1b7c-bn-item--on .uia1b7c-ico { stroke: #0d1f16; }

/* ---------- adaptive breakpoints ---------- */
/* 4 columns are kept at 320px; from 390px the grid breathes to 5 columns */
@media (min-width: 390px) {
  .uia1b7c-games-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 9px; }
  .uia1b7c-gcard-name { font-size: 0.68rem; }
}
/* wide screens keep the 430px phone canvas centered */
@media (min-width: 430px) {
  .uia1b7c-canvas { border-radius: var(--uia1b7c-r-lg) var(--uia1b7c-r-lg) 0 0; }
  .uia1b7c-topbar { border-radius: var(--uia1b7c-r-lg) var(--uia1b7c-r-lg) 0 0; }
}
@media (max-width: 359px) {
  .uia1b7c-hero h1 { font-size: 1.42rem; }
  .uia1b7c-ctaseg-btn { font-size: 0.8rem; padding: 11px 3px; }
  .uia1b7c-brand-name { font-size: 1.08rem; }
  .uia1b7c-menu-routes { grid-template-columns: 1fr; }
}

/* respect motion preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}