/* ==========================================================================
   Sunwin Tech - mobile gaming canvas stylesheet
   File   : css/sunwin-tech-palette-4ec350.css
   Prefix : mobileec350-  (all classes and variables)
   Canvas : 320-430px phone first, centered frame on wide screens
   Voice  : poster headings + narrow body, low-radius sections,
            compact square tile catalogue, step-driven rhythm,
            color-only state changes, segmented action buttons
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --mobileec350-ink: #171717;            /* page backdrop behind the canvas */
  --mobileec350-canvas: #2C2C2C;         /* phone canvas base */
  --mobileec350-panel: #34342F;          /* raised section panel */
  --mobileec350-panel-2: #3D3D36;        /* panel hover / step active */
  --mobileec350-line: #55554B;           /* hairline divider */
  --mobileec350-gold: #FFD700;           /* primary accent */
  --mobileec350-gold-soft: #BDB76B;      /* muted gold for meta text */
  --mobileec350-gold-deep: #B8860B;      /* deep gold for borders */
  --mobileec350-blue: #1E90FF;           /* info accent */
  --mobileec350-text: #F6F3E6;           /* main copy */
  --mobileec350-mute: #CFCBB8;           /* secondary copy */
  --mobileec350-ok: #59C983;
  --mobileec350-warn: #FF6B57;
  --mobileec350-r-lg: 4px;               /* low radius, section level */
  --mobileec350-r-sm: 2px;               /* low radius, element level */
  --mobileec350-top-h: 58px;
  --mobileec350-tabbar-h: 64px;
  --mobileec350-head-font: "Arial Black", "Arial Bold", Impact, "Segoe UI Black", sans-serif;
  --mobileec350-body-font: "Segoe UI", "Helvetica Neue", Arial, Roboto, sans-serif;
  --mobileec350-pad: 12px;
}

/* ---------- 2. Base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--mobileec350-ink);
  color: var(--mobileec350-text);
  font-family: var(--mobileec350-body-font);
  font-size: 15px;
  line-height: 1.62;
  letter-spacing: 0.1px;
  min-height: 100vh;
}

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

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

a { color: var(--mobileec350-gold); text-decoration: none; }
a:hover, a:focus-visible { color: var(--mobileec350-text); }

:focus-visible {
  outline: 2px solid var(--mobileec350-gold);
  outline-offset: 2px;
}

/* The phone canvas keeps wide screens centered instead of stretching */
.mobileec350-page {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--mobileec350-canvas);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .55);
}

/* ---------- 3. Top action bar ---------- */
.mobileec350-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: var(--mobileec350-top-h);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 var(--mobileec350-pad);
  background: linear-gradient(180deg, #23231F 0%, #2C2C2C 100%);
  border-bottom: 2px solid var(--mobileec350-gold-deep);
}

/* Brand zone: real logo image + site name only */
.mobileec350-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
}

.mobileec350-brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.mobileec350-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--mobileec350-r-sm);
  border: 1px solid var(--mobileec350-gold-deep);
  background: #111;
  flex: 0 0 auto;
}

.mobileec350-brand-name {
  font-family: var(--mobileec350-head-font);
  font-size: 17px;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: var(--mobileec350-gold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Action zone: register / login / menu, kept outside the brand block */
.mobileec350-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.mobileec350-btn {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--mobileec350-r-sm);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3px;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}

.mobileec350-btn-gold {
  background: var(--mobileec350-gold);
  color: #242400;
  border: 1px solid var(--mobileec350-gold);
}
.mobileec350-btn-gold:hover,
.mobileec350-btn-gold:focus-visible {
  background: var(--mobileec350-gold-deep);
  color: #FFF;
}

.mobileec350-btn-ghost {
  color: var(--mobileec350-gold);
  border: 1px solid var(--mobileec350-gold-deep);
  background: transparent;
}
.mobileec350-btn-ghost:hover,
.mobileec350-btn-ghost:focus-visible {
  background: var(--mobileec350-panel-2);
  color: var(--mobileec350-text);
}

/* Hamburger toggle */
.mobileec350-menu-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--mobileec350-line);
  border-radius: var(--mobileec350-r-sm);
  transition: border-color .25s ease, background-color .25s ease;
}
.mobileec350-menu-btn:hover { border-color: var(--mobileec350-gold); }

.mobileec350-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--mobileec350-gold);
}

/* ---------- 4. Full-height menu layer ---------- */
.mobileec350-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: 100%;
  z-index: 90;
  background: #1D1D1A;
  border-right: 1px solid var(--mobileec350-line);
  border-left: 1px solid var(--mobileec350-line);
  display: flex;
  flex-direction: column;
  padding: calc(var(--mobileec350-top-h) + 10px) var(--mobileec350-pad) calc(var(--mobileec350-tabbar-h) + 14px);
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  transition: opacity .25s ease, visibility .25s ease;
}
.mobileec350-menu.mobileec350-open { visibility: visible; opacity: 1; }

.mobileec350-menu-close {
  position: absolute;
  top: 8px;
  right: var(--mobileec350-pad);
  width: 44px;
  height: 44px;
  color: var(--mobileec350-mute);
  font-size: 22px;
  line-height: 1;
  border: 1px solid var(--mobileec350-line);
  border-radius: var(--mobileec350-r-sm);
}
.mobileec350-menu-close:hover { color: var(--mobileec350-gold); border-color: var(--mobileec350-gold); }

.mobileec350-menu-title {
  font-family: var(--mobileec350-head-font);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--mobileec350-gold-soft);
  border-bottom: 1px solid var(--mobileec350-line);
  padding: 0 0 10px;
  margin-bottom: 10px;
}

.mobileec350-menu-list { list-style: none; }

.mobileec350-menu-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 48px;
  padding: 12px 10px;
  color: var(--mobileec350-text);
  border-bottom: 1px solid #2B2B26;
  border-radius: var(--mobileec350-r-sm);
  transition: background-color .25s ease, color .25s ease;
}
.mobileec350-menu-list a::after {
  content: "\203A";
  color: var(--mobileec350-gold-deep);
  font-size: 18px;
}
.mobileec350-menu-list a:hover { background: var(--mobileec350-panel-2); color: var(--mobileec350-gold); }

.mobileec350-menu-list .mobileec350-here {
  color: var(--mobileec350-gold);
  border-left: 3px solid var(--mobileec350-gold);
  background: #262622;
}

.mobileec350-menu-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--mobileec350-line);
  font-size: 12.5px;
  color: var(--mobileec350-mute);
}
.mobileec350-menu-cta {
  display: block;
  min-height: 48px;
  margin-bottom: 8px;
  text-align: center;
  padding: 13px 10px;
  background: var(--mobileec350-gold);
  color: #242400;
  font-weight: 700;
  border-radius: var(--mobileec350-r-sm);
  transition: background-color .25s ease;
}
.mobileec350-menu-cta:hover { background: var(--mobileec350-gold-deep); color: #FFF; }

/* ---------- 5. Main flow ---------- */
.mobileec350-main {
  padding: calc(var(--mobileec350-top-h) + 12px) var(--mobileec350-pad) calc(var(--mobileec350-tabbar-h) + 26px);
}

/* Intro poster block */
.mobileec350-intro { padding: 6px 0 14px; }

.mobileec350-h1 {
  font-family: var(--mobileec350-head-font);
  font-size: 26px;
  line-height: 1.22;
  text-transform: uppercase;
  letter-spacing: .2px;
  color: var(--mobileec350-gold);
  text-wrap: balance;
}

.mobileec350-lead {
  margin: 10px 0 0;
  color: var(--mobileec350-mute);
  font-size: 14px;
}

.mobileec350-cta-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.mobileec350-cta-row .mobileec350-btn { flex: 1 1 50%; }

/* ---------- 6. Banner carousel ---------- */
.mobileec350-hero {
  position: relative;
  margin: 4px 0 18px;
  border: 1px solid var(--mobileec350-gold-deep);
  border-radius: var(--mobileec350-r-lg);
  background: #14140F;
  overflow: hidden;
}

.mobileec350-slides { position: relative; aspect-ratio: 16 / 9; }

.mobileec350-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s ease, visibility .5s ease;
}
.mobileec350-slide.mobileec350-on { opacity: 1; visibility: visible; z-index: 1; }

.mobileec350-slide button {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  text-align: left;
}

.mobileec350-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.mobileec350-slide figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
  padding: 22px 12px 10px;
  background: linear-gradient(180deg, rgba(20, 20, 15, 0) 0%, rgba(20, 20, 15, .92) 78%);
  font-size: 13px;
  font-weight: 700;
  color: #FFF;
  letter-spacing: .2px;
}

.mobileec350-slide figcaption small {
  display: block;
  font-weight: 400;
  color: var(--mobileec350-gold-soft);
  font-size: 11.5px;
  margin-top: 2px;
}

.mobileec350-dots {
  position: absolute;
  right: 10px;
  bottom: 8px;
  display: flex;
  gap: 6px;
  z-index: 5;
}
.mobileec350-dots button {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mobileec350-dots button::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6E6E62;
  transition: background-color .25s ease;
}
.mobileec350-dots button:hover::before { background: var(--mobileec350-text); }
.mobileec350-dots button.mobileec350-dot-on::before { background: var(--mobileec350-gold); }

/* ---------- 7. Step rail (step-driven rhythm) ---------- */
.mobileec350-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  counter-reset: mobileec350step;
  margin: 0 0 18px;
}

.mobileec350-rail-step {
  counter-increment: mobileec350step;
  background: var(--mobileec350-panel);
  border: 1px solid var(--mobileec350-line);
  border-top: 3px solid var(--mobileec350-gold-deep);
  border-radius: var(--mobileec350-r-sm);
  padding: 10px 8px 9px;
  min-height: 86px;
}

.mobileec350-rail-step::before {
  content: "0" counter(mobileec350step);
  display: block;
  font-family: var(--mobileec350-head-font);
  font-size: 15px;
  color: var(--mobileec350-gold);
  margin-bottom: 4px;
}

.mobileec350-rail-step b {
  display: block;
  font-size: 12.5px;
  color: var(--mobileec350-text);
  line-height: 1.35;
}
.mobileec350-rail-step i {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: var(--mobileec350-mute);
  margin-top: 3px;
  line-height: 1.4;
}

/* ---------- 8. Shelf: game catalogue section ---------- */
.mobileec350-shelf { margin: 0 0 22px; }

.mobileec350-shelf-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 2px solid var(--mobileec350-gold-deep);
  padding-bottom: 6px;
  margin-bottom: 8px;
}

.mobileec350-h2 {
  font-family: var(--mobileec350-head-font);
  font-size: 18.5px;
  line-height: 1.28;
  text-transform: uppercase;
  letter-spacing: .2px;
  color: var(--mobileec350-gold);
  text-wrap: balance;
}

.mobileec350-count {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--mobileec350-gold-soft);
  border: 1px solid var(--mobileec350-line);
  border-radius: var(--mobileec350-r-sm);
  padding: 3px 7px;
  white-space: nowrap;
}

.mobileec350-shelf-note {
  font-size: 13px;
  color: var(--mobileec350-mute);
  margin: 0 0 10px;
}

.mobileec350-shelf-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px;
}

.mobileec350-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--mobileec350-blue);
  background: #22303F;
  border: 1px solid #2F4A63;
  border-radius: var(--mobileec350-r-sm);
  transition: background-color .25s ease, color .25s ease;
}
.mobileec350-chip:hover { background: #2C4055; color: #FFF; }

/* Compact square tile catalogue: 4 columns on small phones */
.mobileec350-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 6px;
}

.mobileec350-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 0;
  padding: 6px 4px 8px;
  background: var(--mobileec350-panel);
  border: 1px solid var(--mobileec350-line);
  border-radius: var(--mobileec350-r-sm);
  transition: background-color .25s ease, border-color .25s ease;
}
.mobileec350-tile:hover,
.mobileec350-tile:focus-visible {
  background: var(--mobileec350-panel-2);
  border-color: var(--mobileec350-gold);
}

.mobileec350-tile-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--mobileec350-r-sm);
  background: #14140F;
}

.mobileec350-tile-name {
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
  color: var(--mobileec350-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
  word-break: break-word;
}

/* ---------- 9. Prose modules ---------- */
.mobileec350-module {
  background: var(--mobileec350-panel);
  border: 1px solid var(--mobileec350-line);
  border-left: 3px solid var(--mobileec350-gold-deep);
  border-radius: var(--mobileec350-r-lg);
  padding: 14px var(--mobileec350-pad) 16px;
  margin: 0 0 16px;
}

.mobileec350-module .mobileec350-h2 { font-size: 17px; }

.mobileec350-h3 {
  font-family: var(--mobileec350-head-font);
  font-size: 14px;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: .3px;
  color: var(--mobileec350-gold-soft);
  margin: 14px 0 6px;
}

.mobileec350-module p {
  color: var(--mobileec350-mute);
  font-size: 13.5px;
  margin: 0 0 10px;
}
.mobileec350-module p:last-child { margin-bottom: 0; }
.mobileec350-module strong { color: var(--mobileec350-text); }

/* ---------- 10. Achievement ladder ---------- */
.mobileec350-ladder { list-style: none; counter-reset: mobileec350lv; }

.mobileec350-ladder li {
  counter-increment: mobileec350lv;
  position: relative;
  padding: 10px 10px 10px 44px;
  border: 1px solid var(--mobileec350-line);
  border-radius: var(--mobileec350-r-sm);
  background: #2E2E29;
  margin-bottom: 8px;
}
.mobileec350-ladder li::before {
  content: counter(mobileec350lv, upper-roman);
  position: absolute;
  left: 8px;
  top: 10px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mobileec350-head-font);
  font-size: 11px;
  color: #242400;
  background: var(--mobileec350-gold-soft);
  border-radius: var(--mobileec350-r-sm);
}
.mobileec350-ladder b {
  display: block;
  font-size: 13px;
  color: var(--mobileec350-gold);
}
.mobileec350-ladder span { font-size: 12.5px; color: var(--mobileec350-mute); }

/* ---------- 11. Takeaway ledger ---------- */
.mobileec350-ledger { list-style: none; }

.mobileec350-ledger li {
  position: relative;
  padding: 8px 10px 8px 30px;
  font-size: 13px;
  color: var(--mobileec350-mute);
  border-bottom: 1px dashed var(--mobileec350-line);
}
.mobileec350-ledger li:last-child { border-bottom: 0; }
.mobileec350-ledger li::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--mobileec350-blue);
  border-radius: 1px;
}

/* ---------- 12. Numbered recap ---------- */
.mobileec350-recap { list-style: none; counter-reset: mobileec350num; }

.mobileec350-recap li {
  counter-increment: mobileec350num;
  position: relative;
  padding: 10px 12px 10px 46px;
  margin-bottom: 8px;
  background: #2E2E29;
  border: 1px solid var(--mobileec350-line);
  border-radius: var(--mobileec350-r-sm);
  font-size: 13px;
  color: var(--mobileec350-mute);
}
.mobileec350-recap li::before {
  content: counter(mobileec350num);
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mobileec350-head-font);
  font-size: 13px;
  color: #242400;
  background: var(--mobileec350-gold);
  border-radius: var(--mobileec350-r-sm);
}
.mobileec350-recap b { color: var(--mobileec350-text); }

/* ---------- 13. Extended footer directory ---------- */
.mobileec350-directory {
  margin: 4px 0 16px;
  border: 1px solid var(--mobileec350-gold-deep);
  border-radius: var(--mobileec350-r-lg);
  background: #232320;
  padding: 14px var(--mobileec350-pad) 16px;
}

.mobileec350-dir-cols {
  columns: 2;
  column-gap: 14px;
  margin: 10px 0 4px;
}

.mobileec350-dir-cols ul { list-style: none; margin: 0; }

.mobileec350-dir-cols li {
  break-inside: avoid;
  margin-bottom: 10px;
  min-width: 0;
}

.mobileec350-dir-cols a {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--mobileec350-text);
  padding: 4px 0;
}
.mobileec350-dir-cols a:hover { color: var(--mobileec350-gold); }

.mobileec350-dir-cols em {
  display: block;
  font-style: normal;
  font-size: 11px;
  font-weight: 400;
  color: var(--mobileec350-gold-soft);
}

.mobileec350-dir-brand {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--mobileec350-line);
  font-size: 12.5px;
  color: var(--mobileec350-mute);
}

/* Five distinct segmented promo entrances */
.mobileec350-promo-stack {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 10px 0 0;
}

.mobileec350-promo-stack .mobileec350-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  font-size: 13px;
  text-align: left;
}
.mobileec350-promo-stack .mobileec350-btn::after {
  content: "\2192";
  font-size: 16px;
}

.mobileec350-seg-1 { background: var(--mobileec350-gold); color: #242400; border: 1px solid var(--mobileec350-gold); }
.mobileec350-seg-2 { background: transparent; color: var(--mobileec350-gold); border: 1px solid var(--mobileec350-gold-deep); }
.mobileec350-seg-3 { background: #23364B; color: #BFE0FF; border: 1px solid #2F4A63; }
.mobileec350-seg-4 { background: #3A2F1C; color: #FFE28A; border: 1px solid var(--mobileec350-gold-deep); }
.mobileec350-seg-5 { background: transparent; color: var(--mobileec350-text); border: 1px dashed var(--mobileec350-line); }

.mobileec350-seg-1:hover { background: var(--mobileec350-gold-deep); color: #FFF; }
.mobileec350-seg-2:hover,
.mobileec350-seg-5:hover { background: var(--mobileec350-panel-2); }
.mobileec350-seg-3:hover { background: #2C4055; color: #FFF; }
.mobileec350-seg-4:hover { background: #493B22; color: #FFF; }

.mobileec350-disclaimer {
  margin-top: 14px;
  padding: 10px 12px;
  background: #1E1E1B;
  border-left: 3px solid var(--mobileec350-warn);
  border-radius: var(--mobileec350-r-sm);
  font-size: 11.5px;
  color: var(--mobileec350-mute);
  line-height: 1.55;
}

/* ---------- 14. Common footer ---------- */
.mobileec350-footer {
  padding: 14px var(--mobileec350-pad) 8px;
  border-top: 1px solid var(--mobileec350-line);
  text-align: center;
  font-size: 12px;
  color: var(--mobileec350-gold-soft);
}

/* ---------- 15. Bottom tab bar: center raised ---------- */
.mobileec350-tabbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: var(--mobileec350-tabbar-h);
  z-index: 70;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  background: linear-gradient(180deg, #23231F 0%, #191916 100%);
  border-top: 2px solid var(--mobileec350-gold-deep);
  padding: 0 2px calc(env(safe-area-inset-bottom, 0px) * .5);
}

.mobileec350-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 54px;
  padding: 6px 2px 8px;
  color: var(--mobileec350-mute);
  font-size: 10.5px;
  letter-spacing: .2px;
  border-radius: var(--mobileec350-r-sm);
  transition: color .25s ease;
}
.mobileec350-tab:hover,
.mobileec350-tab:focus-visible { color: var(--mobileec350-text); }

.mobileec350-tab svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mobileec350-tab.mobileec350-live {
  color: var(--mobileec350-gold);
  transform: translateY(-2px); /* subtle lift marks the active page */
}

/* Center raised promo hub */
.mobileec350-tab-hub {
  position: relative;
  transform: translateY(-14px);
  color: #242400;
}
.mobileec350-tab-hub .mobileec350-hub-disc {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--mobileec350-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #191916;
  box-shadow: 0 3px 0 var(--mobileec350-gold-deep);
  transition: background-color .25s ease;
}
.mobileec350-tab-hub:hover .mobileec350-hub-disc { background: var(--mobileec350-gold-deep); color: #FFF; }
.mobileec350-tab-hub svg { width: 24px; height: 24px; stroke: currentColor; stroke-width: 2; }
.mobileec350-tab-hub .mobileec350-tab-label { color: var(--mobileec350-gold); font-weight: 700; margin-top: 2px; }

.mobileec350-tab-label { line-height: 1.2; }

/* ---------- 16. Utilities ---------- */
.mobileec350-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.mobileec350-more {
  display: inline-block;
  margin-top: 2px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--mobileec350-blue);
}
.mobileec350-more:hover { color: #FFF; }

/* ---------- 17. Responsive ladder ---------- */

/* Slightly roomier phones: tiles gain breathing space, rail stays 4 up */
@media (min-width: 360px) {
  .mobileec350-h1 { font-size: 28px; }
  .mobileec350-tile-name { font-size: 11.5px; }
}

/* 375-430px band keeps 4-5 columns depending on comfort */
@media (min-width: 390px) {
  .mobileec350-grid { grid-template-columns: repeat(5, 1fr); }
  .mobileec350-lead { font-size: 14.5px; }
}

/* Literal 430px breakpoint: wider type and denser shelf headers */
@media (min-width: 430px) {
  .mobileec350-h1 { font-size: 30px; }
  .mobileec350-h2 { font-size: 20px; }
  .mobileec350-module .mobileec350-h2 { font-size: 18px; }
  .mobileec350-module p { font-size: 14px; }
  .mobileec350-tile-name { font-size: 12px; }
  .mobileec350-rail-step { min-height: 96px; }
  .mobileec350-dir-cols a { font-size: 13px; }
}

/* Wide screens: the canvas floats centered with a soft halo */
@media (min-width: 760px) {
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, #262620 0%, #141414 62%);
    z-index: -1;
  }
  .mobileec350-page {
    box-shadow: 0 0 0 1px #000, 0 18px 60px rgba(0, 0, 0, .6);
  }
}

/* Honour reduced-motion: the design only animates colors anyway */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}