/* ============================================================
   hit club walchum - frame adaptive stylesheet
   Mobile-first canvas: 320-430px stable grid
   Palette: #191970 | #4682B4 | #141414
   Prefix: shell6cac4-
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --shell6cac4-bg: #141414;
  --shell6cac4-bg-soft: #1b1b22;
  --shell6cac4-bg-elev: #21212b;
  --shell6cac4-primary: #191970;
  --shell6cac4-primary-deep: #11114a;
  --shell6cac4-accent: #4682B4;
  --shell6cac4-accent-soft: #5d96c6;
  --shell6cac4-accent-glow: rgba(70, 130, 180, 0.35);
  --shell6cac4-text: #eceff7;
  --shell6cac4-text-dim: #9ea3b4;
  --shell6cac4-text-mute: #6f7484;
  --shell6cac4-border: rgba(70, 130, 180, 0.22);
  --shell6cac4-border-strong: rgba(70, 130, 180, 0.55);
  --shell6cac4-line: rgba(236, 239, 247, 0.08);
  --shell6cac4-shadow: 0 14px 36px rgba(0, 0, 0, 0.55);
  --shell6cac4-shadow-card: 0 6px 18px rgba(0, 0, 0, 0.35);
  --shell6cac4-radius-xs: 4px;
  --shell6cac4-radius-sm: 8px;
  --shell6cac4-radius-md: 12px;
  --shell6cac4-radius-lg: 16px;
  --shell6cac4-radius-pill: 999px;
  --shell6cac4-gap-xxs: 4px;
  --shell6cac4-gap-xs: 8px;
  --shell6cac4-gap-sm: 12px;
  --shell6cac4-gap-md: 16px;
  --shell6cac4-gap-lg: 22px;
  --shell6cac4-gap-xl: 32px;
  --shell6cac4-header-h: 60px;
  --shell6cac4-bottomnav-h: 66px;
  --shell6cac4-font-title: "Trebuchet MS", "Segoe UI", system-ui, -apple-system, sans-serif;
  --shell6cac4-font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --shell6cac4-max-w: 480px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--shell6cac4-font-body);
  background: var(--shell6cac4-bg);
  color: var(--shell6cac4-text);
  line-height: 1.55;
  font-size: 15px;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(25, 25, 112, 0.45), transparent 55%),
    radial-gradient(circle at 88% 4%, rgba(70, 130, 180, 0.22), transparent 50%);
  background-attachment: fixed;
}

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

a {
  color: var(--shell6cac4-accent-soft);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--shell6cac4-accent);
  outline-offset: 2px;
  border-radius: var(--shell6cac4-radius-xs);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--shell6cac4-font-title);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* ---------- Mobile canvas lock ---------- */
.shell6cac4-page {
  width: 100%;
  max-width: var(--shell6cac4-max-w);
  margin: 0 auto;
  min-height: 100vh;
  background: linear-gradient(180deg, rgba(20, 20, 28, 0.4) 0%, rgba(20, 20, 28, 0.95) 18%, var(--shell6cac4-bg) 60%);
  position: relative;
  padding-bottom: calc(var(--shell6cac4-bottomnav-h) + env(safe-area-inset-bottom, 0px) + 16px);
}

/* ============================================================
   TOP HEADER
   ============================================================ */
.shell6cac4-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--shell6cac4-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--shell6cac4-gap-sm);
  padding: 0 var(--shell6cac4-gap-sm);
  background: linear-gradient(180deg, rgba(15, 15, 22, 0.98), rgba(20, 20, 28, 0.92));
  border-bottom: 1px solid var(--shell6cac4-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.shell6cac4-brand {
  display: flex;
  align-items: center;
  gap: var(--shell6cac4-gap-xs);
  min-width: 0;
}

.shell6cac4-brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--shell6cac4-radius-sm);
  object-fit: cover;
  border: 1px solid var(--shell6cac4-border-strong);
  flex-shrink: 0;
  background: var(--shell6cac4-primary);
}

.shell6cac4-brand-name {
  font-family: var(--shell6cac4-font-title);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--shell6cac4-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shell6cac4-brand-name span {
  color: var(--shell6cac4-accent-soft);
}

.shell6cac4-actions {
  display: flex;
  align-items: center;
  gap: var(--shell6cac4-gap-xxs);
  flex-shrink: 0;
}

.shell6cac4-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--shell6cac4-radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.12s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.shell6cac4-btn:active {
  transform: scale(0.96);
}

.shell6cac4-btn-ghost {
  border-color: var(--shell6cac4-border-strong);
  color: var(--shell6cac4-text);
  background: rgba(70, 130, 180, 0.08);
}

.shell6cac4-btn-primary {
  background: linear-gradient(135deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  color: #fff;
  box-shadow: 0 4px 14px rgba(70, 130, 180, 0.35);
}

.shell6cac4-btn-login {
  padding: 0 12px;
  font-size: 13px;
}

.shell6cac4-btn-register {
  padding: 0 14px;
  font-size: 13px;
}

.shell6cac4-menu-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--shell6cac4-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--shell6cac4-border);
  background: rgba(70, 130, 180, 0.06);
  color: var(--shell6cac4-text);
}

.shell6cac4-menu-btn:hover {
  border-color: var(--shell6cac4-accent);
}

.shell6cac4-menu-icon {
  width: 18px;
  height: 12px;
  position: relative;
}

.shell6cac4-menu-icon::before,
.shell6cac4-menu-icon::after,
.shell6cac4-menu-icon span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.shell6cac4-menu-icon::before { top: 0; }
.shell6cac4-menu-icon::after { bottom: 0; }
.shell6cac4-menu-icon span { top: 50%; transform: translateY(-50%); display: block; }

/* ============================================================
   SLIDE-IN MENU PANEL
   ============================================================ */
.shell6cac4-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 12, 0.55);
  z-index: 70;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.shell6cac4-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.shell6cac4-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(86vw, 360px);
  height: 100vh;
  background: linear-gradient(180deg, #16161f, #0e0e16);
  border-left: 1px solid var(--shell6cac4-border);
  z-index: 80;
  transform: translateX(105%);
  transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: env(safe-area-inset-top, 0px) 0 env(safe-area-inset-bottom, 0px);
}

.shell6cac4-menu-panel.is-open {
  transform: translateX(0);
}

.shell6cac4-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--shell6cac4-gap-md);
  border-bottom: 1px solid var(--shell6cac4-line);
}

.shell6cac4-menu-head h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--shell6cac4-text-dim);
}

.shell6cac4-menu-close {
  width: 32px;
  height: 32px;
  border-radius: var(--shell6cac4-radius-xs);
  border: 1px solid var(--shell6cac4-border);
  color: var(--shell6cac4-text);
  font-size: 18px;
  line-height: 1;
}

.shell6cac4-menu-section {
  padding: 12px var(--shell6cac4-gap-md) 16px;
  border-bottom: 1px solid var(--shell6cac4-line);
}

.shell6cac4-menu-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--shell6cac4-text-mute);
  margin-bottom: 8px;
}

.shell6cac4-menu-list li {
  margin: 0;
}

.shell6cac4-menu-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 4px;
  font-size: 14.5px;
  color: var(--shell6cac4-text);
  border-bottom: 1px solid var(--shell6cac4-line);
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.shell6cac4-menu-list a:hover,
.shell6cac4-menu-list a:focus-visible {
  color: var(--shell6cac4-accent-soft);
  padding-left: 6px;
}

.shell6cac4-menu-list a::after {
  content: "›";
  color: var(--shell6cac4-text-mute);
  font-size: 18px;
}

.shell6cac4-menu-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--shell6cac4-gap-xs);
  padding: 14px var(--shell6cac4-gap-md) 22px;
}

.shell6cac4-menu-cta .shell6cac4-btn {
  width: 100%;
  min-height: 42px;
}

/* ============================================================
   HERO CAROUSEL
   ============================================================ */
.shell6cac4-hero {
  margin: var(--shell6cac4-gap-md) var(--shell6cac4-gap-sm) 0;
  border-radius: var(--shell6cac4-radius-lg);
  overflow: hidden;
  border: 1px solid var(--shell6cac4-border);
  background: var(--shell6cac4-bg-soft);
  box-shadow: var(--shell6cac4-shadow);
}

.shell6cac4-carousel {
  position: relative;
}

.shell6cac4-carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.shell6cac4-slide {
  flex: 0 0 100%;
  position: relative;
  display: block;
  cursor: pointer;
}

.shell6cac4-slide-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.shell6cac4-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 20, 28, 0) 30%, rgba(20, 20, 28, 0.92) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--shell6cac4-gap-md);
}

.shell6cac4-slide-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shell6cac4-text);
  background: linear-gradient(135deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  padding: 4px 10px;
  border-radius: var(--shell6cac4-radius-pill);
  margin-bottom: 8px;
}

.shell6cac4-slide-title {
  font-family: var(--shell6cac4-font-title);
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
}

.shell6cac4-slide-desc {
  font-size: 12.5px;
  color: var(--shell6cac4-text-dim);
  margin-bottom: 10px;
}

.shell6cac4-slide-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--shell6cac4-accent-soft);
  align-self: flex-start;
}

.shell6cac4-carousel-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}

.shell6cac4-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--shell6cac4-radius-pill);
  background: rgba(236, 239, 247, 0.4);
  border: none;
  padding: 0;
  transition: all 0.25s ease;
}

.shell6cac4-dot.is-active {
  width: 22px;
  background: var(--shell6cac4-accent);
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.shell6cac4-main {
  padding: 0 var(--shell6cac4-gap-sm);
}

.shell6cac4-intro {
  margin: var(--shell6cac4-gap-lg) 0 var(--shell6cac4-gap-md);
  padding: var(--shell6cac4-gap-md);
  border-radius: var(--shell6cac4-radius-md);
  border: 1px solid var(--shell6cac4-line);
  background: linear-gradient(135deg, rgba(25, 25, 112, 0.32), rgba(70, 130, 180, 0.1));
}

.shell6cac4-intro h1 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
  color: #fff;
}

.shell6cac4-intro p {
  font-size: 13.5px;
  color: var(--shell6cac4-text-dim);
  line-height: 1.6;
}

.shell6cac4-intro .shell6cac4-inline-cta {
  margin-top: 10px;
  color: var(--shell6cac4-accent-soft);
  font-weight: 600;
  font-size: 13.5px;
  border-bottom: 1px dashed var(--shell6cac4-border-strong);
  display: inline-block;
  padding-bottom: 1px;
}

/* ---------- Section header ---------- */
.shell6cac4-section {
  margin-top: var(--shell6cac4-gap-lg);
}

.shell6cac4-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--shell6cac4-gap-sm);
  margin-bottom: var(--shell6cac4-gap-sm);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--shell6cac4-line);
}

.shell6cac4-section-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.shell6cac4-section-title::before {
  content: "";
  width: 3px;
  height: 16px;
  background: linear-gradient(180deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  border-radius: 2px;
}

.shell6cac4-section-meta {
  font-size: 11px;
  color: var(--shell6cac4-text-mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shell6cac4-section-link {
  font-size: 12.5px;
  color: var(--shell6cac4-accent-soft);
  font-weight: 600;
}

/* ============================================================
   GAME GRID + CARDS
   ============================================================ */
.shell6cac4-game-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--shell6cac4-gap-xs);
}

.shell6cac4-game-card {
  display: flex;
  flex-direction: column;
  background: var(--shell6cac4-bg-soft);
  border: 1px solid var(--shell6cac4-line);
  border-radius: var(--shell6cac4-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.shell6cac4-game-card:hover,
.shell6cac4-game-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--shell6cac4-border-strong);
  box-shadow: var(--shell6cac4-shadow-card);
}

.shell6cac4-game-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: #0a0a12;
}

.shell6cac4-game-name {
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  color: var(--shell6cac4-text);
  padding: 5px 4px;
  background: linear-gradient(180deg, rgba(20, 20, 28, 0.4), rgba(15, 15, 22, 0.95));
  border-top: 1px solid var(--shell6cac4-line);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shell6cac4-game-flag {
  position: absolute;
  top: 5px;
  left: 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  padding: 2px 6px;
  border-radius: var(--shell6cac4-radius-xs);
  pointer-events: none;
}

.shell6cac4-related {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--shell6cac4-line);
  font-size: 12px;
  color: var(--shell6cac4-text-mute);
  align-items: center;
}

.shell6cac4-related-label {
  font-weight: 700;
  color: var(--shell6cac4-text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 10.5px;
}

.shell6cac4-related a {
  display: inline-block;
  padding: 4px 9px;
  font-size: 11.5px;
  color: var(--shell6cac4-accent-soft);
  border: 1px solid var(--shell6cac4-border);
  border-radius: var(--shell6cac4-radius-pill);
  background: rgba(70, 130, 180, 0.06);
  white-space: nowrap;
}

.shell6cac4-related a:hover,
.shell6cac4-related a:focus-visible {
  border-color: var(--shell6cac4-accent);
  background: rgba(70, 130, 180, 0.14);
}

/* ---------- Responsive game grid up to 430px then 5 cols ---------- */
@media (min-width: 375px) {
  .shell6cac4-game-grid {
    gap: var(--shell6cac4-gap-sm);
  }
  .shell6cac4-game-name {
    font-size: 11.5px;
  }
}

@media (min-width: 430px) {
  .shell6cac4-game-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .shell6cac4-slide-img {
    height: 230px;
  }
  .shell6cac4-intro h1 {
    font-size: 24px;
  }
}

/* ============================================================
   CONTENT MODULES (Popular Play Styles, Guides, Takeaways, Requirements)
   ============================================================ */
.shell6cac4-module {
  margin-top: var(--shell6cac4-gap-lg);
  padding: var(--shell6cac4-gap-md);
  border-radius: var(--shell6cac4-radius-md);
  background: var(--shell6cac4-bg-soft);
  border: 1px solid var(--shell6cac4-line);
}

.shell6cac4-module h2 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.shell6cac4-module h2::before {
  content: "";
  width: 3px;
  height: 16px;
  background: linear-gradient(180deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  border-radius: 2px;
}

.shell6cac4-module > p {
  font-size: 13.5px;
  color: var(--shell6cac4-text-dim);
  margin-bottom: var(--shell6cac4-gap-sm);
  line-height: 1.65;
}

.shell6cac4-module p a {
  color: var(--shell6cac4-accent-soft);
  border-bottom: 1px dashed var(--shell6cac4-border-strong);
}

.shell6cac4-compare {
  display: grid;
  gap: var(--shell6cac4-gap-xs);
}

.shell6cac4-compare-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: var(--shell6cac4-gap-sm);
  padding: 10px 0;
  border-bottom: 1px dashed var(--shell6cac4-line);
  align-items: start;
}

.shell6cac4-compare-row:last-child {
  border-bottom: none;
}

.shell6cac4-compare-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--shell6cac4-accent-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shell6cac4-compare-value {
  font-size: 13px;
  color: var(--shell6cac4-text);
  line-height: 1.55;
}

.shell6cac4-compare-value strong {
  color: #fff;
}

.shell6cac4-step-list {
  counter-reset: step;
  display: grid;
  gap: 10px;
}

.shell6cac4-step-list li {
  counter-increment: step;
  position: relative;
  padding-left: 32px;
  font-size: 13.5px;
  color: var(--shell6cac4-text);
  line-height: 1.55;
}

.shell6cac4-step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  color: #fff;
  border-radius: var(--shell6cac4-radius-pill);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shell6cac4-bullet-list {
  display: grid;
  gap: 7px;
}

.shell6cac4-bullet-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--shell6cac4-text);
  line-height: 1.55;
}

.shell6cac4-bullet-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--shell6cac4-accent);
}

.shell6cac4-takeaways {
  display: grid;
  gap: 8px;
}

.shell6cac4-takeaways li {
  padding: 9px 12px;
  background: rgba(70, 130, 180, 0.08);
  border-left: 3px solid var(--shell6cac4-accent);
  border-radius: 0 var(--shell6cac4-radius-xs) var(--shell6cac4-radius-xs) 0;
  font-size: 13px;
  color: var(--shell6cac4-text);
  line-height: 1.55;
}

.shell6cac4-req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.shell6cac4-req-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid var(--shell6cac4-line);
  border-radius: var(--shell6cac4-radius-sm);
  background: rgba(20, 20, 28, 0.5);
}

.shell6cac4-req-mark {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(70, 130, 180, 0.18);
  color: var(--shell6cac4-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.shell6cac4-req-text {
  font-size: 13px;
  color: var(--shell6cac4-text);
  line-height: 1.5;
}

.shell6cac4-req-text strong {
  color: #fff;
  display: block;
  margin-bottom: 2px;
  font-size: 13.5px;
}

/* ============================================================
   EXTENDED FOOTER (homepage only)
   ============================================================ */
.shell6cac4-ext-footer {
  margin: var(--shell6cac4-gap-xl) var(--shell6cac4-gap-sm) 0;
  padding: var(--shell6cac4-gap-md);
  border-radius: var(--shell6cac4-radius-md);
  background: linear-gradient(180deg, rgba(25, 25, 112, 0.28), rgba(20, 20, 28, 0.6));
  border: 1px solid var(--shell6cac4-border);
}

.shell6cac4-ext-block {
  padding: 14px 0;
  border-bottom: 1px solid var(--shell6cac4-line);
}

.shell6cac4-ext-block:last-child {
  border-bottom: none;
}

.shell6cac4-ext-block h3 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--shell6cac4-accent-soft);
  margin-bottom: 10px;
  font-weight: 700;
}

.shell6cac4-ext-promos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.shell6cac4-ext-promo-btn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: var(--shell6cac4-radius-sm);
  border: 1px solid var(--shell6cac4-border-strong);
  background: rgba(70, 130, 180, 0.08);
  color: var(--shell6cac4-text);
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  min-height: 56px;
  transition: transform 0.12s ease, background 0.2s ease;
}

.shell6cac4-ext-promo-btn:active {
  transform: scale(0.97);
}

.shell6cac4-ext-promo-btn small {
  font-size: 11px;
  font-weight: 400;
  color: var(--shell6cac4-text-dim);
}

.shell6cac4-brand-intro {
  font-size: 13px;
  color: var(--shell6cac4-text-dim);
  line-height: 1.65;
}

.shell6cac4-directory {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.shell6cac4-directory a {
  display: flex;
  justify-content: space-between;
  padding: 8px 4px;
  font-size: 13px;
  color: var(--shell6cac4-text);
  border-bottom: 1px dashed var(--shell6cac4-line);
}

.shell6cac4-directory a::after {
  content: "›";
  color: var(--shell6cac4-text-mute);
}

.shell6cac4-disclaimer {
  font-size: 11.5px;
  color: var(--shell6cac4-text-mute);
  line-height: 1.6;
  padding: 10px;
  border-radius: var(--shell6cac4-radius-sm);
  background: rgba(0, 0, 0, 0.25);
  border-left: 2px solid var(--shell6cac4-text-mute);
}

/* ============================================================
   FOOTER
   ============================================================ */
.shell6cac4-footer {
  margin: var(--shell6cac4-gap-md) var(--shell6cac4-gap-sm) 0;
  padding: var(--shell6cac4-gap-md) 0;
  text-align: center;
  border-top: 1px solid var(--shell6cac4-line);
}

.shell6cac4-footer-copy {
  font-size: 12px;
  color: var(--shell6cac4-text-mute);
  letter-spacing: 0.04em;
}

.shell6cac4-footer-copy strong {
  color: var(--shell6cac4-text-dim);
}

/* ============================================================
   MOBILE BOTTOM NAV (5 roles)
   ============================================================ */
.shell6cac4-bottomnav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: var(--shell6cac4-max-w);
  height: calc(var(--shell6cac4-bottomnav-h) + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(180deg, rgba(15, 15, 22, 0.96), rgba(10, 10, 16, 0.98));
  border-top: 1px solid var(--shell6cac4-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 55;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.shell6cac4-bottomnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: var(--shell6cac4-bottomnav-h);
  color: var(--shell6cac4-text-dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 0 2px;
  transition: color 0.2s ease, transform 0.18s ease;
  position: relative;
}

.shell6cac4-bottomnav-item:active {
  transform: scale(0.92);
}

.shell6cac4-bottomnav-item.is-active {
  color: var(--shell6cac4-accent-soft);
}

.shell6cac4-bottomnav-item.is-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 2px;
  background: var(--shell6cac4-accent);
  border-radius: 0 0 2px 2px;
}

.shell6cac4-bottomnav-item.shell6cac4-promo {
  color: #fff;
}

.shell6cac4-bottomnav-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shell6cac4-bottomnav-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shell6cac4-bottomnav-center {
  position: relative;
}

.shell6cac4-bottomnav-center::after {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--shell6cac4-primary), var(--shell6cac4-accent));
  box-shadow: 0 4px 12px rgba(70, 130, 180, 0.5);
  z-index: -1;
}

.shell6cac4-bottomnav-center .shell6cac4-bottomnav-icon {
  width: 20px;
  height: 20px;
  color: #fff;
}

.shell6cac4-bottomnav-label {
  font-size: 10px;
  line-height: 1;
}

/* ---------- Visually hidden helper ---------- */
.shell6cac4-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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