/* =====================================================================
   Winzer Casino - visuals-mobile-7983c7.css
   Mobile-first shell for winzercasino.click (en-PH).
   Palette: #FF8000 / #262626 / #FF4500 / #FFAA00 / #BBBBBB
   Direction: bold compact headings + light body text, low-radius panels,
   mixed large/small game cards, fact-first information rhythm,
   feedback reserved for key CTAs, center-raised bottom dock.
   All classes and custom properties carry the shell83c71- prefix.
   ===================================================================== */

:root {
  --shell83c71-ink: #262626;            /* base canvas */
  --shell83c71-ink-deep: #1e1e1e;       /* page backdrop outside canvas */
  --shell83c71-panel: #2f2f2f;          /* raised panel */
  --shell83c71-panel-2: #373737;        /* panel hover / active */
  --shell83c71-flame: #FF8000;          /* primary orange */
  --shell83c71-ember: #FF4500;          /* hot red-orange */
  --shell83c71-gold: #FFAA00;           /* amber highlight */
  --shell83c71-mist: #BBBBBB;           /* muted text */
  --shell83c71-paper: #f4f0ea;          /* near-white text (derived warm tint) */
  --shell83c71-line: rgba(187, 187, 187, 0.16);
  --shell83c71-line-strong: rgba(187, 187, 187, 0.3);
  --shell83c71-radius: 6px;             /* low-radius zoning */
  --shell83c71-radius-lg: 10px;
  --shell83c71-gap: 10px;
  --shell83c71-header-h: 58px;
  --shell83c71-dock-h: 62px;
  --shell83c71-canvas: 430px;           /* phone canvas width */
}

/* ---------- Reset / base ---------- */

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

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

body {
  margin: 0;
  background: var(--shell83c71-ink-deep);
  color: var(--shell83c71-paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--shell83c71-gold);
  text-decoration: none;
}

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

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

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin: 0 0 8px;
  text-wrap: balance;
}

h2 {
  font-size: 19px;
  line-height: 1.3;
}

h3 {
  font-size: 16px;
  line-height: 1.35;
  font-weight: 700;
}

p {
  margin: 0 0 12px;
  color: var(--shell83c71-mist);
}

ul, ol, dl {
  margin: 0 0 12px;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--shell83c71-gold);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Skip link ---------- */

.shell83c71-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--shell83c71-flame);
  color: #262626;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 0 0 var(--shell83c71-radius) 0;
}

.shell83c71-skip:focus {
  left: 0;
}

/* ---------- Phone canvas ---------- */

.shell83c71-wrap {
  position: relative;
  width: 100%;
  max-width: var(--shell83c71-canvas);   /* canvas caps at 430px */
  margin: 0 auto;
  min-height: 100vh;
  background: var(--shell83c71-ink);
  box-shadow: 0 0 44px rgba(0, 0, 0, 0.55);
  overflow-x: clip;
}

.shell83c71-main {
  padding: calc(var(--shell83c71-header-h) + 8px) 14px
           calc(var(--shell83c71-dock-h) + 76px);
}

/* ---------- Fixed header: minimal title + action bar ---------- */

.shell83c71-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--shell83c71-canvas);
  height: var(--shell83c71-header-h);
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: rgba(38, 38, 38, 0.96);
  border-bottom: 1px solid var(--shell83c71-line);
  backdrop-filter: blur(8px);
}

.shell83c71-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  flex: 1 1 auto;
  color: #ffffff;
}

.shell83c71-brand:hover,
.shell83c71-brand:focus-visible {
  text-decoration: none;
}

.shell83c71-brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--shell83c71-radius);
  flex: 0 0 auto;
}

.shell83c71-brand-name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shell83c71-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.shell83c71-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  min-width: 44px;
  padding: 0 12px;
  border-radius: var(--shell83c71-radius);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, color 0.2s ease,
    transform 0.15s ease;
}

.shell83c71-btn:active {
  transform: scale(0.96);
}

.shell83c71-btn--register {
  background: var(--shell83c71-flame);
  color: #262626;
}

.shell83c71-btn--register:hover,
.shell83c71-btn--register:focus-visible {
  background: var(--shell83c71-gold);
  text-decoration: none;
}

.shell83c71-btn--login {
  background: transparent;
  color: var(--shell83c71-paper);
  box-shadow: inset 0 0 0 1.5px var(--shell83c71-line-strong);
}

.shell83c71-btn--login:hover,
.shell83c71-btn--login:focus-visible {
  box-shadow: inset 0 0 0 1.5px var(--shell83c71-flame);
  color: var(--shell83c71-flame);
  text-decoration: none;
}

/* Burger: containerized symbol block */
.shell83c71-burger {
  width: 40px;
  height: 38px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: var(--shell83c71-radius);
  box-shadow: inset 0 0 0 1.5px var(--shell83c71-line-strong);
  flex: 0 0 auto;
}

.shell83c71-burger-bar {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: var(--shell83c71-paper);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.shell83c71-burger:hover .shell83c71-burger-bar,
.shell83c71-burger:focus-visible .shell83c71-burger-bar {
  background: var(--shell83c71-flame);
}

/* ---------- Stacked overlay menu ---------- */

.shell83c71-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  width: 100%;
  max-width: var(--shell83c71-canvas);
  height: 100%;
  max-height: 100dvh;
  z-index: 160;
  background: rgba(30, 30, 30, 0.98);
  padding: 18px 18px calc(var(--shell83c71-dock-h) + 24px);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}

.shell83c71-menu--open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.shell83c71-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.shell83c71-menu-title {
  font-size: 17px;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
}

.shell83c71-menu-close {
  width: 42px;
  height: 42px;
  border-radius: var(--shell83c71-radius);
  box-shadow: inset 0 0 0 1.5px var(--shell83c71-line-strong);
  font-size: 19px;
  font-weight: 700;
  color: var(--shell83c71-paper);
  line-height: 1;
}

.shell83c71-menu-close:hover,
.shell83c71-menu-close:focus-visible {
  color: var(--shell83c71-flame);
  box-shadow: inset 0 0 0 1.5px var(--shell83c71-flame);
}

.shell83c71-menu-group {
  margin: 0 0 14px;
}

.shell83c71-menu-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--shell83c71-flame);
  margin: 0 0 6px 2px;
}

.shell83c71-menu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 12px;
  border-radius: var(--shell83c71-radius);
  background: var(--shell83c71-panel);
  color: var(--shell83c71-paper);
  font-size: 14.5px;
  font-weight: 600;
  margin-bottom: 6px;
  transition: background-color 0.18s ease;
}

.shell83c71-menu-link:hover,
.shell83c71-menu-link:focus-visible {
  background: var(--shell83c71-panel-2);
  text-decoration: none;
}

.shell83c71-menu-link .shell83c71-ico {
  color: var(--shell83c71-gold);
}

.shell83c71-menu-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
  border-radius: var(--shell83c71-radius);
  background: linear-gradient(100deg, var(--shell83c71-flame), var(--shell83c71-ember));
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
}

.shell83c71-menu-cta:active {
  transform: scale(0.98);
}

/* ---------- Hero carousel ---------- */

.shell83c71-hero {
  margin: 4px 0 14px;
}

.shell83c71-car {
  position: relative;
  border-radius: var(--shell83c71-radius-lg);
  overflow: hidden;
  background: var(--shell83c71-panel);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
}

.shell83c71-car-track {
  display: flex;
  transition: transform 0.45s ease;
}

.shell83c71-car-slide {
  position: relative;
  flex: 0 0 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
}

.shell83c71-car-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shell83c71-car-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 14px 12px;
  background: linear-gradient(180deg, rgba(30, 30, 30, 0) 0%,
    rgba(30, 30, 30, 0.82) 46%, rgba(30, 30, 30, 0.96) 100%);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.shell83c71-car-kicker {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shell83c71-gold);
}

.shell83c71-car-title {
  font-size: 18px;
  line-height: 1.25;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
}

.shell83c71-car-text {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--shell83c71-mist);
  margin: 0 0 6px;
}

.shell83c71-car-cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 16px;
  border-radius: var(--shell83c71-radius);
  background: var(--shell83c71-flame);
  color: #262626;
  font-size: 13px;
  font-weight: 800;
  transition: background-color 0.18s ease, transform 0.15s ease;
}

.shell83c71-car-cta:hover,
.shell83c71-car-cta:focus-visible {
  background: var(--shell83c71-gold);
  text-decoration: none;
}

.shell83c71-car-cta:active {
  transform: scale(0.96);
}

.shell83c71-car-dots {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 6px;
  z-index: 3;
}

.shell83c71-car-dot {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.shell83c71-car-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(244, 240, 234, 0.45);
  transition: background-color 0.2s ease, width 0.2s ease;
}

.shell83c71-car-dot--on::before {
  background: var(--shell83c71-gold);
  width: 16px;
  border-radius: 4px;
}

/* ---------- Category chip rail ---------- */

.shell83c71-chips {
  position: sticky;
  top: var(--shell83c71-header-h);
  z-index: 60;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 2px 10px;
  margin: 0 -2px 4px;
  scrollbar-width: none;
  background: linear-gradient(180deg, var(--shell83c71-ink) 78%, rgba(38, 38, 38, 0));
}

.shell83c71-chips::-webkit-scrollbar {
  display: none;
}

.shell83c71-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--shell83c71-panel);
  color: var(--shell83c71-paper);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease,
    box-shadow 0.18s ease;
}

.shell83c71-chip:hover,
.shell83c71-chip:focus-visible {
  text-decoration: none;
  box-shadow: inset 0 0 0 1.5px var(--shell83c71-line-strong);
}

.shell83c71-chip--on {
  background: var(--shell83c71-flame);
  color: #262626;
}

.shell83c71-chip--on:hover {
  box-shadow: none;
}

/* ---------- Intro block ---------- */

.shell83c71-intro {
  margin: 10px 0 18px;
}

.shell83c71-intro h1 {
  font-size: 23px;
  line-height: 1.25;
  margin-bottom: 10px;
}

.shell83c71-lede {
  font-size: 15px;
  color: var(--shell83c71-mist);
}

.shell83c71-lede strong {
  color: #ffffff;
  font-weight: 700;
}

/* ---------- Game shelves ---------- */

.shell83c71-shelf {
  margin: 20px 0 26px;
  scroll-margin-top: calc(var(--shell83c71-header-h) + 46px);
}

.shell83c71-shelf-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  padding-left: 10px;
  border-left: 4px solid var(--shell83c71-flame);
}

.shell83c71-shelf-title {
  margin: 0;
  font-size: 18px;
}

.shell83c71-shelf-count {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--shell83c71-gold);
  text-transform: uppercase;
}

/* Fact-first summary strip, then the expanded paragraph */
.shell83c71-fact {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--shell83c71-panel);
  border-radius: var(--shell83c71-radius);
  border-left: 4px solid var(--shell83c71-gold);
  padding: 10px 12px;
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--shell83c71-paper);
}

.shell83c71-fact .shell83c71-ico {
  flex: 0 0 auto;
  color: var(--shell83c71-gold);
  margin-top: 2px;
}

.shell83c71-shelf > p {
  font-size: 13.5px;
  margin-bottom: 12px;
}

/* Tight mobile grid: 4 columns from 320px */
.shell83c71-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--shell83c71-gap);
}

.shell83c71-game {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--shell83c71-panel);
  border-radius: var(--shell83c71-radius);
  padding: 7px 7px 9px;
  color: var(--shell83c71-paper);
  transition: background-color 0.18s ease, transform 0.15s ease;
  min-width: 0;
}

.shell83c71-game:hover,
.shell83c71-game:focus-visible {
  background: var(--shell83c71-panel-2);
  text-decoration: none;
}

.shell83c71-game:active {
  transform: scale(0.97);
}

.shell83c71-game-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 4px;
  background: #222;
}

.shell83c71-game-name {
  font-size: 11px;
  line-height: 1.3;
  font-weight: 600;
  text-align: center;
  color: var(--shell83c71-mist);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Lead card: the large card in the mixed-size rhythm */
.shell83c71-game--lead {
  grid-column: span 2;
  padding: 10px 10px 12px;
  background: linear-gradient(160deg, var(--shell83c71-panel-2), var(--shell83c71-panel));
  box-shadow: inset 0 0 0 1px var(--shell83c71-line);
}

.shell83c71-game--lead .shell83c71-game-name {
  font-size: 12.5px;
  color: #ffffff;
}

.shell83c71-game--lead::after {
  content: "TOP PICK";
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #262626;
  background: var(--shell83c71-gold);
  border-radius: 3px;
  padding: 2px 6px;
}

/* ---------- Info modules ---------- */

.shell83c71-module {
  background: var(--shell83c71-panel);
  border-radius: var(--shell83c71-radius-lg);
  border: 1px solid var(--shell83c71-line);
  padding: 16px 14px 14px;
  margin: 18px 0;
}

.shell83c71-mod-tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--shell83c71-flame);
  margin-bottom: 6px;
}

.shell83c71-module h2 {
  font-size: 18px;
}

.shell83c71-module p {
  font-size: 13.5px;
}

.shell83c71-module h3 {
  margin: 14px 0 4px;
  font-size: 14.5px;
}

.shell83c71-module a {
  font-weight: 700;
  color: var(--shell83c71-gold);
  text-decoration: underline;
  text-decoration-color: rgba(255, 170, 0, 0.5);
  text-underline-offset: 3px;
}

/* Step list inside modules */
.shell83c71-steps {
  list-style: none;
  counter-reset: shell83c71-steps;
  margin: 10px 0 12px;
}

.shell83c71-step {
  counter-increment: shell83c71-steps;
  position: relative;
  padding: 0 0 10px 38px;
  font-size: 13.5px;
  color: var(--shell83c71-mist);
}

.shell83c71-step::before {
  content: counter(shell83c71-steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 27px;
  height: 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--shell83c71-radius);
  background: rgba(255, 128, 0, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 128, 0, 0.45);
  color: var(--shell83c71-gold);
  font-size: 11px;
  font-weight: 800;
}

.shell83c71-step strong {
  color: #ffffff;
}

/* ---------- Decision CTA band ---------- */

.shell83c71-cta-band {
  margin: 20px 0;
  padding: 20px 16px 18px;
  border-radius: var(--shell83c71-radius-lg);
  background:
    radial-gradient(120% 130% at 85% 0%, rgba(255, 69, 0, 0.4) 0%, rgba(255, 69, 0, 0) 55%),
    linear-gradient(150deg, #303030, #262626);
  border: 1px solid rgba(255, 128, 0, 0.35);
  text-align: center;
}

.shell83c71-cta-band h2 {
  font-size: 19px;
}

.shell83c71-cta-band p {
  font-size: 13px;
  max-width: 34ch;
  margin: 0 auto 14px;
}

.shell83c71-cta-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 50px;
  border-radius: var(--shell83c71-radius);
  background: linear-gradient(100deg, var(--shell83c71-flame), var(--shell83c71-ember));
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.03em;
  transition: transform 0.15s ease, filter 0.18s ease;
}

.shell83c71-cta-main:hover,
.shell83c71-cta-main:focus-visible {
  filter: brightness(1.08);
  text-decoration: none;
}

.shell83c71-cta-main:active {
  transform: scale(0.97);
}

.shell83c71-cta-fine {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--shell83c71-mist);
}

/* ---------- Checklist ---------- */

.shell83c71-checklist {
  list-style: none;
  margin: 12px 0 4px;
  display: grid;
  gap: 8px;
}

.shell83c71-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(187, 187, 187, 0.06);
  border-radius: var(--shell83c71-radius);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--shell83c71-paper);
}

.shell83c71-check .shell83c71-ico {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  padding: 3px;
  border-radius: 4px;
  background: rgba(255, 170, 0, 0.16);
  color: var(--shell83c71-gold);
  margin-top: 1px;
}

.shell83c71-check strong {
  color: #ffffff;
}

/* ---------- Term list ---------- */

.shell83c71-terms {
  margin: 10px 0 0;
  display: grid;
  gap: 10px;
}

.shell83c71-term {
  background: rgba(187, 187, 187, 0.06);
  border-radius: var(--shell83c71-radius);
  padding: 10px 12px;
}

.shell83c71-term-name {
  display: block;
  font-size: 13.5px;
  font-weight: 800;
  color: var(--shell83c71-gold);
  margin-bottom: 3px;
}

.shell83c71-term-def {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--shell83c71-mist);
}

/* ---------- Extended footer: two-column directory ---------- */

.shell83c71-ext {
  margin: 24px 0 16px;
  padding: 18px 14px 16px;
  border-radius: var(--shell83c71-radius-lg);
  background: var(--shell83c71-panel);
  border: 1px solid var(--shell83c71-line);
}

.shell83c71-ext-title {
  margin-bottom: 12px;
}

.shell83c71-ext-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.shell83c71-ext-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: var(--shell83c71-radius);
  background: rgba(187, 187, 187, 0.07);
  color: var(--shell83c71-paper);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.3;
  transition: background-color 0.18s ease;
}

.shell83c71-ext-link:hover,
.shell83c71-ext-link:focus-visible {
  background: rgba(255, 128, 0, 0.18);
  text-decoration: none;
}

.shell83c71-ext-link .shell83c71-ico {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  padding: 5px;
  border-radius: 5px;
  background: rgba(255, 128, 0, 0.2);
  color: var(--shell83c71-gold);
}

.shell83c71-ext-brand {
  font-size: 13px;
  color: var(--shell83c71-mist);
  border-top: 1px solid var(--shell83c71-line);
  padding-top: 14px;
  margin-bottom: 14px;
}

.shell83c71-ext-promos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.shell83c71-ext-promo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: var(--shell83c71-radius);
  background: linear-gradient(100deg, rgba(255, 128, 0, 0.22), rgba(255, 69, 0, 0.16));
  box-shadow: inset 0 0 0 1px rgba(255, 128, 0, 0.4);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  text-align: center;
  transition: filter 0.18s ease, transform 0.15s ease;
}

.shell83c71-ext-promo:hover,
.shell83c71-ext-promo:focus-visible {
  filter: brightness(1.15);
  text-decoration: none;
}

.shell83c71-ext-promo:active {
  transform: scale(0.97);
}

.shell83c71-ext-note {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--shell83c71-mist);
  border-top: 1px solid var(--shell83c71-line);
  padding-top: 12px;
  margin: 0;
}

/* ---------- Common footer ---------- */

.shell83c71-footer {
  padding: 4px 14px calc(var(--shell83c71-dock-h) + 26px);
  text-align: center;
}

.shell83c71-footer p {
  margin: 0;
  font-size: 12px;
  color: rgba(187, 187, 187, 0.75);
}

/* ---------- Bottom dock: center-raised five-role nav ---------- */

.shell83c71-dock {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--shell83c71-canvas);
  height: calc(var(--shell83c71-dock-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  z-index: 140;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: stretch;
  background: rgba(30, 30, 30, 0.97);
  border-top: 1px solid var(--shell83c71-line);
  backdrop-filter: blur(10px);
}

.shell83c71-dock-item {
  display: flex;
  align-items: stretch;
}

.shell83c71-dock-btn {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 44px;
  color: var(--shell83c71-mist);
  border-radius: var(--shell83c71-radius);
  padding: 6px 2px;
  transition: color 0.18s ease;
}

.shell83c71-dock-btn:hover,
.shell83c71-dock-btn:focus-visible {
  color: #ffffff;
  text-decoration: none;
}

.shell83c71-dock-ico {
  /* containerized symbol block */
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: rgba(187, 187, 187, 0.12);
  transition: background-color 0.18s ease, transform 0.18s ease,
    color 0.18s ease;
}

.shell83c71-dock-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.shell83c71-dock-item--active .shell83c71-dock-btn {
  color: #ffffff;
}

.shell83c71-dock-item--active .shell83c71-dock-ico {
  background: rgba(255, 128, 0, 0.25);
  color: var(--shell83c71-gold);
  transform: translateY(-2px);   /* slight lift for the active state */
}

/* Raised center promo role */
.shell83c71-dock-item--center {
  position: relative;
}

.shell83c71-dock-item--center .shell83c71-dock-btn {
  justify-content: flex-end;
  padding-bottom: 8px;
  gap: 1px;
}

.shell83c71-dock-item--center .shell83c71-dock-ico {
  position: absolute;
  top: -20px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--shell83c71-flame), var(--shell83c71-ember));
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(255, 69, 0, 0.38),
    0 0 0 5px rgba(30, 30, 30, 0.97);
  transition: transform 0.18s ease, filter 0.18s ease;
}

.shell83c71-dock-item--center .shell83c71-dock-btn:hover .shell83c71-dock-ico {
  filter: brightness(1.1);
}

.shell83c71-dock-item--center .shell83c71-dock-btn:active .shell83c71-dock-ico {
  transform: translateY(2px) scale(0.95);
}

/* ---------- Shared inline icons ---------- */

.shell83c71-ico {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shell83c71-dock-ico .shell83c71-ico {
  width: 17px;
  height: 17px;
  stroke-width: 2;
}

.shell83c71-ext-ico-fill {
  fill: currentColor;
  stroke: none;
}

/* ---------- Adaptive tracks ---------- */

/* 375px and up: five game columns fit comfortably */
@media (min-width: 375px) {
  .shell83c71-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .shell83c71-intro h1 {
    font-size: 25px;
  }

  .shell83c71-car-title {
    font-size: 20px;
  }
}

/* At the 430px canvas edge the layout keeps the same dock and rhythm */
@media (min-width: 430px) {
  .shell83c71-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .shell83c71-ext-cols,
  .shell83c71-ext-promos {
    gap: 10px;
  }

  .shell83c71-module,
  .shell83c71-ext {
    padding-left: 18px;
    padding-right: 18px;
  }
}

/* Comfortable large phones: roomier shelf copy */
@media (min-width: 390px) and (max-width: 429px) {
  .shell83c71-shelf > p {
    font-size: 14px;
  }
}

/* ---------- Motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .shell83c71-car-track {
    transition: none;
  }

  .shell83c71-menu {
    transition: opacity 0.01s, visibility 0.01s;
  }

  .shell83c71-btn:active,
  .shell83c71-game:active,
  .shell83c71-cta-main:active,
  .shell83c71-ext-promo:active {
    transform: none;
  }
}

/* ---------- Help-page components ---------- */

/* Breadcrumb strip */
.shell83c71-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--shell83c71-mist);
  margin: 2px 0 14px;
}

.shell83c71-crumbs a {
  color: var(--shell83c71-gold);
}

.shell83c71-crumbs-sep {
  color: rgba(187, 187, 187, 0.5);
}

.shell83c71-crumbs-here {
  color: var(--shell83c71-paper);
}

/* Page fact summary: key/value rail */
.shell83c71-facts {
  display: grid;
  gap: 8px;
  margin: 10px 0 4px;
}

.shell83c71-fact-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  background: rgba(187, 187, 187, 0.06);
  border-radius: var(--shell83c71-radius);
  padding: 10px 12px;
}

.shell83c71-fact-key {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--shell83c71-flame);
  padding-top: 2px;
}

.shell83c71-fact-val {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--shell83c71-paper);
}

/* Device rows: containerized symbol tile + copy */
.shell83c71-devrows {
  display: grid;
  gap: 8px;
  margin: 10px 0 4px;
}

.shell83c71-devrow {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(187, 187, 187, 0.06);
  border-radius: var(--shell83c71-radius);
  padding: 10px 12px;
}

.shell83c71-devrow .shell83c71-ico {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  padding: 6px;
  border-radius: 7px;
  background: rgba(255, 128, 0, 0.18);
  color: var(--shell83c71-gold);
}

.shell83c71-devrow p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--shell83c71-mist);
}

.shell83c71-devrow strong {
  display: block;
  color: #ffffff;
  font-size: 13.5px;
  margin-bottom: 2px;
}

/* Pros and limitations: paired panels */
.shell83c71-split {
  display: grid;
  gap: 10px;
  margin: 10px 0 4px;
}

.shell83c71-panel-list {
  margin: 0;
  background: rgba(187, 187, 187, 0.06);
  border-radius: var(--shell83c71-radius);
  padding: 12px 12px 8px;
}

.shell83c71-panel-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.shell83c71-panel-list h3 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shell83c71-panel-list--pro h3 {
  color: var(--shell83c71-gold);
}

.shell83c71-panel-list--con h3 {
  color: var(--shell83c71-ember);
}

.shell83c71-panel-list li {
  position: relative;
  padding: 0 0 8px 22px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--shell83c71-mist);
}

.shell83c71-panel-list--pro li::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 800;
  color: var(--shell83c71-gold);
}

.shell83c71-panel-list--con li::before {
  content: "-";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 800;
  color: var(--shell83c71-ember);
}

/* Q and A blocks */
.shell83c71-qa {
  display: grid;
  gap: 10px;
  margin: 10px 0 4px;
}

.shell83c71-q {
  background: rgba(187, 187, 187, 0.06);
  border-radius: var(--shell83c71-radius);
  padding: 12px 12px 4px;
}

.shell83c71-q h3 {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--shell83c71-paper);
}

.shell83c71-q p {
  font-size: 13px;
  line-height: 1.55;
}

/* Troubleshooting rows: symptom, cause, fix */
.shell83c71-fixes {
  display: grid;
  gap: 8px;
  margin: 10px 0 4px;
}

.shell83c71-fix {
  background: rgba(187, 187, 187, 0.06);
  border-left: 3px solid var(--shell83c71-ember);
  border-radius: var(--shell83c71-radius);
  padding: 10px 12px;
}

.shell83c71-fix-sym {
  margin: 0 0 6px;
  font-size: 13.5px;
  font-weight: 800;
  color: #ffffff;
}

.shell83c71-fix-meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--shell83c71-mist);
}

.shell83c71-fix-meta strong {
  color: var(--shell83c71-gold);
  font-weight: 700;
}

/* Inline promo link button */
.shell83c71-promo-inline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 16px;
  margin: 4px 0 10px;
  border-radius: var(--shell83c71-radius);
  background: linear-gradient(100deg, rgba(255, 128, 0, 0.24), rgba(255, 69, 0, 0.18));
  box-shadow: inset 0 0 0 1px rgba(255, 128, 0, 0.42);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  transition: filter 0.18s ease, transform 0.15s ease;
}

.shell83c71-promo-inline:hover,
.shell83c71-promo-inline:focus-visible {
  filter: brightness(1.15);
  text-decoration: none;
}

.shell83c71-promo-inline:active {
  transform: scale(0.97);
}

/* ---------- Print skeleton ---------- */

@media print {
  .shell83c71-header,
  .shell83c71-dock,
  .shell83c71-menu,
  .shell83c71-chips {
    display: none;
  }

  .shell83c71-main {
    padding: 0;
  }

  body {
    background: #ffffff;
    color: #000000;
  }
}