/* ============================================================
   now goal - palette-dynamic-baf045.css
   Mobile-first canvas (320-430px). Prefix: surfacebaf04-
   Palette: #0F0F23 bg | #800080 | #20B2AA | #EE82EE | #BA55D3
   Direction: stroke-led corners, image+name cards, restrained fades.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --surfacebaf04-bg: #0F0F23;
  --surfacebaf04-bg-soft: #161634;
  --surfacebaf04-bg-card: #1c1240;
  --surfacebaf04-purple: #800080;
  --surfacebaf04-teal: #20B2AA;
  --surfacebaf04-violet: #EE82EE;
  --surfacebaf04-orchid: #BA55D3;
  --surfacebaf04-ink: #f6ecff;
  --surfacebaf04-ink-soft: #cdb6e8;
  --surfacebaf04-ink-mute: #8d7ba8;
  --surfacebaf04-line: rgba(186, 85, 211, 0.28);
  --surfacebaf04-line-strong: rgba(238, 130, 238, 0.55);
  --surfacebaf04-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
  --surfacebaf04-r-sm: 6px;
  --surfacebaf04-r-md: 10px;
  --surfacebaf04-r-lg: 14px;
  --surfacebaf04-track: 0.4s ease;
  --surfacebaf04-font-display: "Segoe UI", "Be Vietnam Pro", "Roboto", system-ui, sans-serif;
  --surfacebaf04-font-body: "Be Vietnam Pro", "Segoe UI", "Roboto", system-ui, sans-serif;
  --surfacebaf04-max: 480px;
}

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

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

body {
  margin: 0;
  font-family: var(--surfacebaf04-font-body);
  background: var(--surfacebaf04-bg);
  color: var(--surfacebaf04-ink);
  line-height: 1.55;
  font-size: 15px;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: var(--surfacebaf04-violet);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--surfacebaf04-teal);
  outline-offset: 2px;
}

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

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--surfacebaf04-font-display);
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 0.75em; }

/* ---------- Page frame ---------- */
.surfacebaf04-shell {
  max-width: var(--surfacebaf04-max);
  margin: 0 auto;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(186, 85, 211, 0.22), transparent 60%),
    radial-gradient(80% 40% at 90% 8%, rgba(32, 178, 170, 0.18), transparent 60%),
    var(--surfacebaf04-bg);
  min-height: 100vh;
  position: relative;
  box-shadow: var(--surfacebaf04-shadow);
}

.surfacebaf04-main {
  padding: 64px 0 86px;
}

/* ---------- H1 intro band ---------- */
.surfacebaf04-intro {
  margin: 12px 12px 4px;
  padding: 14px 14px 12px;
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-lg);
  background: linear-gradient(135deg, rgba(128, 0, 128, 0.32), rgba(32, 178, 170, 0.18));
}

.surfacebaf04-intro h1 {
  font-size: 20px;
  line-height: 1.2;
  color: #fff;
  margin: 0 0 4px;
  font-weight: 800;
}

.surfacebaf04-intro p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

/* ---------- Top bar ---------- */
.surfacebaf04-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(15, 15, 35, 0.96), rgba(15, 15, 35, 0.88));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surfacebaf04-line);
}

.surfacebaf04-top-row {
  max-width: var(--surfacebaf04-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  min-height: 56px;
}

.surfacebaf04-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.surfacebaf04-brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--surfacebaf04-line-strong);
  object-fit: cover;
  flex-shrink: 0;
}

.surfacebaf04-brand-name {
  font-family: var(--surfacebaf04-font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--surfacebaf04-ink);
  white-space: nowrap;
}

.surfacebaf04-brand-name span { color: var(--surfacebaf04-violet); }

.surfacebaf04-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.surfacebaf04-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  font-weight: 700;
  font-size: 13px;
  border-radius: var(--surfacebaf04-r-md);
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.surfacebaf04-btn--ghost {
  color: var(--surfacebaf04-ink-soft);
  border-color: var(--surfacebaf04-line);
}

.surfacebaf04-btn--ghost:active { transform: translateY(1px); }

.surfacebaf04-btn--primary {
  background: linear-gradient(135deg, var(--surfacebaf04-purple), var(--surfacebaf04-orchid));
  color: #fff;
  box-shadow: 0 6px 16px rgba(128, 0, 128, 0.4);
}

.surfacebaf04-btn--primary:active { transform: translateY(1px); }

.surfacebaf04-burger {
  width: 36px;
  height: 36px;
  border-radius: var(--surfacebaf04-r-sm);
  border: 1px solid var(--surfacebaf04-line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surfacebaf04-bg-card);
}

.surfacebaf04-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--surfacebaf04-violet);
  position: relative;
  border-radius: 2px;
}

.surfacebaf04-burger span::before,
.surfacebaf04-burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--surfacebaf04-violet);
  border-radius: 2px;
}

.surfacebaf04-burger span::before { top: -6px; }
.surfacebaf04-burger span::after { top: 6px; }

/* ---------- Menu overlay ---------- */
.surfacebaf04-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 84%;
  max-width: 360px;
  height: 100vh;
  background: var(--surfacebaf04-bg-soft);
  border-left: 1px solid var(--surfacebaf04-line);
  z-index: 80;
  transform: translateX(105%);
  transition: transform var(--surfacebaf04-track);
  padding: 18px 18px 32px;
  overflow-y: auto;
}

.surfacebaf04-menu.surfacebaf04-open { transform: translateX(0); }

.surfacebaf04-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.surfacebaf04-menu-head strong {
  font-size: 16px;
  color: var(--surfacebaf04-ink);
}

.surfacebaf04-menu-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--surfacebaf04-line);
  color: var(--surfacebaf04-violet);
  font-size: 18px;
  line-height: 1;
}

.surfacebaf04-menu-promo {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.surfacebaf04-menu-promo .surfacebaf04-btn { flex: 1; }

.surfacebaf04-menu-section {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--surfacebaf04-ink-mute);
  margin: 14px 4px 6px;
}

.surfacebaf04-menu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 10px;
  border-radius: var(--surfacebaf04-r-md);
  color: var(--surfacebaf04-ink-soft);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
}

.surfacebaf04-menu-link:active { background: var(--surfacebaf04-bg-card); }

.surfacebaf04-menu-link .surfacebaf04-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--surfacebaf04-teal);
  flex-shrink: 0;
}

.surfacebaf04-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 16, 0.6);
  z-index: 70;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--surfacebaf04-track);
}

.surfacebaf04-backdrop.surfacebaf04-open {
  opacity: 1;
  visibility: visible;
}

/* ---------- Carousel ---------- */
.surfacebaf04-hero {
  margin: 12px 12px 4px;
  border-radius: var(--surfacebaf04-r-lg);
  overflow: hidden;
  border: 1px solid var(--surfacebaf04-line);
  position: relative;
}

.surfacebaf04-track-strip {
  display: flex;
  transition: transform 0.5s ease;
  will-change: transform;
}

.surfacebaf04-slide {
  flex: 0 0 100%;
  position: relative;
}

.surfacebaf04-slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.surfacebaf04-slide-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 15, 35, 0) 30%, rgba(15, 15, 35, 0.85));
}

.surfacebaf04-slide-text {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
}

.surfacebaf04-slide-text small {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--surfacebaf04-teal);
  margin-bottom: 4px;
  font-weight: 700;
}

.surfacebaf04-slide-text strong {
  display: block;
  font-size: 19px;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 8px;
}

.surfacebaf04-slide-text .surfacebaf04-btn {
  background: var(--surfacebaf04-violet);
  color: #1a0a2a;
  font-size: 12px;
  min-height: 32px;
  padding: 0 14px;
}

.surfacebaf04-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 8px 0 4px;
}

.surfacebaf04-dots button {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(238, 130, 238, 0.3);
  transition: background 0.2s ease, width 0.2s ease;
}

.surfacebaf04-dots button.surfacebaf04-active {
  background: var(--surfacebaf04-violet);
  width: 18px;
  border-radius: 4px;
}

/* ---------- Section heading ---------- */
.surfacebaf04-section {
  padding: 18px 12px 4px;
}

.surfacebaf04-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.surfacebaf04-section-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--surfacebaf04-ink);
  position: relative;
  padding-left: 12px;
}

.surfacebaf04-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--surfacebaf04-violet), var(--surfacebaf04-orchid));
  border-radius: 4px;
}

.surfacebaf04-section-tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--surfacebaf04-teal);
  font-weight: 700;
}

.surfacebaf04-section-link {
  font-size: 12px;
  color: var(--surfacebaf04-violet);
  font-weight: 600;
}

/* ---------- Game grid ---------- */
.surfacebaf04-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.surfacebaf04-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--surfacebaf04-bg-card);
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-md);
  padding: 6px 4px 8px;
  transition: transform 0.15s ease, border-color 0.2s ease;
  min-height: 44px;
  width: 100%;
  color: inherit;
}

.surfacebaf04-card:active {
  transform: translateY(2px);
  border-color: var(--surfacebaf04-line-strong);
}

.surfacebaf04-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--surfacebaf04-r-sm);
  border: 1px solid rgba(238, 130, 238, 0.18);
  background: #0a0a1c;
}

.surfacebaf04-card-name {
  margin-top: 5px;
  font-size: 10.5px;
  line-height: 1.2;
  color: var(--surfacebaf04-ink-soft);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 26px;
}

.surfacebaf04-card--hot::after {
  content: "HOT";
  position: absolute;
}

/* ---------- Promo rail (horizontal) ---------- */
.surfacebaf04-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 12px 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.surfacebaf04-rail::-webkit-scrollbar { display: none; }

.surfacebaf04-rail-item {
  flex: 0 0 70%;
  scroll-snap-align: start;
  border-radius: var(--surfacebaf04-r-md);
  overflow: hidden;
  border: 1px solid var(--surfacebaf04-line);
  position: relative;
}

.surfacebaf04-rail-item img {
  width: 100%;
  height: 96px;
  object-fit: cover;
}

.surfacebaf04-rail-cap {
  position: absolute;
  left: 8px;
  bottom: 8px;
  right: 8px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

/* ---------- Step / list rhythm ---------- */
.surfacebaf04-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.surfacebaf04-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--surfacebaf04-bg-card);
  border: 1px solid var(--surfacebaf04-line);
  border-left: 3px solid var(--surfacebaf04-teal);
  border-radius: var(--surfacebaf04-r-md);
  padding: 10px 12px;
}

.surfacebaf04-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--surfacebaf04-purple), var(--surfacebaf04-orchid));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.surfacebaf04-step-body strong {
  display: block;
  color: var(--surfacebaf04-ink);
  font-size: 14px;
  margin-bottom: 2px;
}

.surfacebaf04-step-body span {
  font-size: 12.5px;
  color: var(--surfacebaf04-ink-soft);
}

/* ---------- Feature tiles ---------- */
.surfacebaf04-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.surfacebaf04-tile {
  background: var(--surfacebaf04-bg-card);
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-md);
  padding: 12px;
}

.surfacebaf04-tile-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(32, 178, 170, 0.16);
  color: var(--surfacebaf04-teal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 8px;
  border: 1px solid rgba(32, 178, 170, 0.4);
}

.surfacebaf04-tile h3 {
  font-size: 13.5px;
  color: var(--surfacebaf04-ink);
  margin-bottom: 4px;
}

.surfacebaf04-tile p {
  font-size: 12px;
  color: var(--surfacebaf04-ink-soft);
  margin: 0;
  line-height: 1.5;
}

/* ---------- Long-form prose ---------- */
.surfacebaf04-prose {
  background: var(--surfacebaf04-bg-card);
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-md);
  padding: 14px;
}

.surfacebaf04-prose h2 {
  font-size: 16px;
  color: var(--surfacebaf04-ink);
  margin-bottom: 8px;
}

.surfacebaf04-prose h3 {
  font-size: 13.5px;
  color: var(--surfacebaf04-violet);
  margin: 12px 0 4px;
}

.surfacebaf04-prose p,
.surfacebaf04-prose li {
  font-size: 13.5px;
  color: var(--surfacebaf04-ink-soft);
  line-height: 1.65;
}

.surfacebaf04-prose ul {
  list-style: none;
  padding: 0;
  margin: 6px 0;
}

.surfacebaf04-prose li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 5px;
}

.surfacebaf04-prose li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--surfacebaf04-teal);
}

/* ---------- FAQ ---------- */
.surfacebaf04-faq {
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-md);
  overflow: hidden;
  background: var(--surfacebaf04-bg-card);
}

.surfacebaf04-faq-item + .surfacebaf04-faq-item {
  border-top: 1px solid var(--surfacebaf04-line);
}

.surfacebaf04-faq-q {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--surfacebaf04-ink);
}

.surfacebaf04-faq-q .surfacebaf04-faq-mark {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--surfacebaf04-line-strong);
  color: var(--surfacebaf04-violet);
  font-size: 16px;
  line-height: 1;
  transition: transform var(--surfacebaf04-track);
}

.surfacebaf04-faq-item.surfacebaf04-open .surfacebaf04-faq-mark { transform: rotate(45deg); }

.surfacebaf04-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--surfacebaf04-track);
  padding: 0 14px;
}

.surfacebaf04-faq-item.surfacebaf04-open .surfacebaf04-faq-a {
  max-height: 360px;
  padding-bottom: 12px;
}

.surfacebaf04-faq-a p {
  font-size: 13px;
  color: var(--surfacebaf04-ink-soft);
  margin: 0;
}

/* ---------- CTA strip ---------- */
.surfacebaf04-cta {
  background: linear-gradient(135deg, rgba(128, 0, 128, 0.45), rgba(186, 85, 211, 0.35));
  border: 1px solid var(--surfacebaf04-line-strong);
  border-radius: var(--surfacebaf04-r-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.surfacebaf04-cta h3 {
  font-size: 15px;
  color: #fff;
}

.surfacebaf04-cta p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.88);
  margin: 0;
}

.surfacebaf04-cta-group {
  display: flex;
  gap: 8px;
}

.surfacebaf04-cta-group .surfacebaf04-btn { flex: 1; }

/* ---------- Use case table ---------- */
.surfacebaf04-use {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.surfacebaf04-use-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  background: var(--surfacebaf04-bg-card);
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-md);
  padding: 10px 12px;
}

.surfacebaf04-use-row strong {
  font-size: 12.5px;
  color: var(--surfacebaf04-violet);
}

.surfacebaf04-use-row span {
  font-size: 12.5px;
  color: var(--surfacebaf04-ink-soft);
}

/* ---------- Extended footer ---------- */
.surfacebaf04-ext {
  margin: 18px 12px 6px;
  border-top: 1px solid var(--surfacebaf04-line);
  padding-top: 16px;
}

.surfacebaf04-ext-block { margin-bottom: 16px; }

.surfacebaf04-ext-block h4 {
  font-size: 13px;
  color: var(--surfacebaf04-ink);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.surfacebaf04-ext-block p {
  font-size: 12.5px;
  color: var(--surfacebaf04-ink-soft);
  line-height: 1.6;
}

.surfacebaf04-ext-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.surfacebaf04-ext-list a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid var(--surfacebaf04-line);
  border-radius: var(--surfacebaf04-r-sm);
  font-size: 12px;
  color: var(--surfacebaf04-ink-soft);
  background: var(--surfacebaf04-bg-card);
}

.surfacebaf04-ext-list a:active { border-color: var(--surfacebaf04-line-strong); }

.surfacebaf04-ext-list a span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--surfacebaf04-teal);
  flex-shrink: 0;
}

.surfacebaf04-ext-promo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.surfacebaf04-ext-promo button {
  width: 100%;
}

.surfacebaf04-ext-disclaimer {
  font-size: 11px;
  color: var(--surfacebaf04-ink-mute);
  border-top: 1px dashed var(--surfacebaf04-line);
  padding-top: 10px;
  line-height: 1.55;
}

/* ---------- Footer (copyright) ---------- */
.surfacebaf04-foot {
  padding: 14px 16px 6px;
  text-align: center;
  font-size: 11.5px;
  color: var(--surfacebaf04-ink-mute);
  border-top: 1px solid var(--surfacebaf04-line);
  margin-top: 8px;
}

/* ---------- Bottom nav ---------- */
.surfacebaf04-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 65;
  background: linear-gradient(0deg, rgba(15, 15, 35, 0.98), rgba(15, 15, 35, 0.92));
  border-top: 1px solid var(--surfacebaf04-line);
  backdrop-filter: blur(8px);
}

.surfacebaf04-bottom-row {
  max-width: var(--surfacebaf04-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  padding: 6px 4px 8px;
  position: relative;
}

.surfacebaf04-bottom-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 4px 0;
  color: var(--surfacebaf04-ink-mute);
  font-size: 10px;
  font-weight: 600;
  border-radius: var(--surfacebaf04-r-md);
  transition: color 0.2s ease, transform 0.18s ease;
  min-height: 44px;
  justify-content: center;
}

.surfacebaf04-bottom-item:active { transform: translateY(-2px); }

.surfacebaf04-bottom-item.surfacebaf04-active {
  color: var(--surfacebaf04-violet);
  background: rgba(186, 85, 211, 0.16);
}

.surfacebaf04-bottom-item.surfacebaf04-raised {
  transform: translateY(-10px);
  background: linear-gradient(135deg, var(--surfacebaf04-purple), var(--surfacebaf04-orchid));
  color: #fff;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  margin: 0 auto;
  box-shadow: 0 6px 14px rgba(128, 0, 128, 0.45);
  border: 2px solid rgba(238, 130, 238, 0.6);
  justify-self: center;
}

.surfacebaf04-bottom-item.surfacebaf04-raised .surfacebaf04-bottom-label { display: none; }

.surfacebaf04-bottom-ico {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.surfacebaf04-bottom-ico svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.surfacebaf04-bottom-label {
  font-size: 10px;
  letter-spacing: 0.02em;
}

/* ---------- Helpers ---------- */
.surfacebaf04-fade {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.surfacebaf04-fade.surfacebaf04-in {
  opacity: 1;
  transform: translateY(0);
}

.surfacebaf04-pb-safe { padding-bottom: 96px; }

/* ---------- Breakpoint: 430px and up ---------- */
@media (min-width: 430px) {
  .surfacebaf04-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
  }
  .surfacebaf04-slide img { height: 200px; }
  .surfacebaf04-tiles { grid-template-columns: repeat(3, 1fr); }
  .surfacebaf04-ext-list { grid-template-columns: repeat(3, 1fr); }
  body { font-size: 15.5px; }
}

/* ---------- Larger canvas (still phone-centered) ---------- */
@media (min-width: 540px) {
  .surfacebaf04-ext-promo { grid-template-columns: repeat(3, 1fr); }
}

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

/* ---------- Part1 help-page language ---------- */
.surfacebaf04-kicker { margin: 0 0 7px; color: var(--surfacebaf04-teal); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.surfacebaf04-guide-hero, .surfacebaf04-about-cover { margin: 12px; padding: 18px 15px; border: 1px solid var(--surfacebaf04-line-strong); border-radius: var(--surfacebaf04-r-lg); background: linear-gradient(145deg, rgba(128,0,128,.52), rgba(32,178,170,.18) 70%, rgba(15,15,35,.4)); }
.surfacebaf04-guide-hero h1, .surfacebaf04-about-cover h1 { font-size: 25px; line-height: 1.14; color: #fff; margin-bottom: 9px; }
.surfacebaf04-guide-hero > p:not(.surfacebaf04-kicker), .surfacebaf04-about-cover > p:not(.surfacebaf04-kicker) { color: var(--surfacebaf04-ink-soft); font-size: 14px; line-height: 1.65; }
.surfacebaf04-guide-hero .surfacebaf04-cta-group, .surfacebaf04-about-cover .surfacebaf04-cta-group { margin-top: 14px; }
.surfacebaf04-guide-section, .surfacebaf04-about-section { padding: 16px 12px 2px; }
.surfacebaf04-answer, .surfacebaf04-about-lead, .surfacebaf04-payment, .surfacebaf04-about-quote { padding: 14px; border: 1px solid var(--surfacebaf04-line); border-left: 3px solid var(--surfacebaf04-teal); background: var(--surfacebaf04-bg-card); border-radius: var(--surfacebaf04-r-md); color: var(--surfacebaf04-ink-soft); font-size: 13.5px; line-height: 1.65; }
.surfacebaf04-answer strong { color: var(--surfacebaf04-violet); }
.surfacebaf04-prose-note { margin: 10px 2px 0; color: var(--surfacebaf04-ink-soft); font-size: 13px; line-height: 1.65; }
.surfacebaf04-road { display: grid; gap: 9px; counter-reset: road; }
.surfacebaf04-road li { display: grid; grid-template-columns: 38px 1fr; gap: 10px; padding: 12px; border: 1px solid var(--surfacebaf04-line); background: rgba(28,18,64,.88); border-radius: var(--surfacebaf04-r-md); }
.surfacebaf04-road li > span { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--surfacebaf04-teal); color: var(--surfacebaf04-teal); border-radius: 50%; font-weight: 800; font-size: 11px; }
.surfacebaf04-road h3, .surfacebaf04-device-grid h3, .surfacebaf04-timeline h3, .surfacebaf04-question-list h3 { color: var(--surfacebaf04-ink); font-size: 14px; margin: 0 0 4px; }
.surfacebaf04-road p, .surfacebaf04-device-grid p, .surfacebaf04-timeline p, .surfacebaf04-question-list p { color: var(--surfacebaf04-ink-soft); font-size: 12.5px; line-height: 1.6; margin: 0 0 8px; }
.surfacebaf04-text-action { min-height: 38px; padding: 6px 10px; border: 1px solid var(--surfacebaf04-line-strong); border-radius: var(--surfacebaf04-r-sm); color: var(--surfacebaf04-violet); font-weight: 700; font-size: 12px; }
.surfacebaf04-device-grid, .surfacebaf04-next-grid, .surfacebaf04-question-list { display: grid; gap: 8px; }
.surfacebaf04-device-grid article, .surfacebaf04-next-grid a, .surfacebaf04-next-grid button, .surfacebaf04-question-list article { display: block; padding: 13px; border: 1px solid var(--surfacebaf04-line); border-radius: var(--surfacebaf04-r-md); background: var(--surfacebaf04-bg-card); text-align: left; }
.surfacebaf04-device-grid .surfacebaf04-btn { width: 100%; }
.surfacebaf04-troubleshoot { display: grid; gap: 7px; }
.surfacebaf04-troubleshoot details { border: 1px solid var(--surfacebaf04-line); border-radius: var(--surfacebaf04-r-sm); background: var(--surfacebaf04-bg-card); padding: 11px 12px; }
.surfacebaf04-troubleshoot summary { color: var(--surfacebaf04-ink); font-weight: 700; font-size: 13px; cursor: pointer; min-height: 22px; }
.surfacebaf04-troubleshoot details p { color: var(--surfacebaf04-ink-soft); font-size: 12.5px; line-height: 1.6; margin: 8px 0 0; }
.surfacebaf04-check { display: grid; gap: 7px; }
.surfacebaf04-check li { padding: 10px 12px 10px 30px; position: relative; background: rgba(32,178,170,.1); border: 1px solid rgba(32,178,170,.28); border-radius: var(--surfacebaf04-r-sm); color: var(--surfacebaf04-ink-soft); font-size: 13px; }
.surfacebaf04-check li::before { content: "✓"; position: absolute; left: 11px; color: var(--surfacebaf04-teal); font-weight: 800; }
.surfacebaf04-guide-cta { margin: 18px 12px; padding: 16px; border: 1px solid var(--surfacebaf04-line-strong); border-radius: var(--surfacebaf04-r-lg); background: linear-gradient(135deg, rgba(186,85,211,.35), rgba(128,0,128,.28)); }
.surfacebaf04-guide-cta h2, .surfacebaf04-about-quote h2 { color: #fff; font-size: 19px; margin-bottom: 6px; }
.surfacebaf04-guide-cta p, .surfacebaf04-about-quote p { color: var(--surfacebaf04-ink-soft); font-size: 13px; line-height: 1.6; }
.surfacebaf04-guide-cta .surfacebaf04-btn, .surfacebaf04-about-quote .surfacebaf04-btn { width: 100%; margin-top: 5px; }
.surfacebaf04-about-mark img { border: 1px solid var(--surfacebaf04-line-strong); border-radius: 14px; margin-bottom: 10px; }
.surfacebaf04-fact-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
.surfacebaf04-fact-strip div { padding: 9px 7px; border-top: 2px solid var(--surfacebaf04-orchid); background: rgba(15,15,35,.34); }
.surfacebaf04-fact-strip b, .surfacebaf04-fact-strip span { display: block; } .surfacebaf04-fact-strip b { color: var(--surfacebaf04-violet); font-size: 11px; } .surfacebaf04-fact-strip span { color: var(--surfacebaf04-ink-soft); font-size: 10.5px; line-height: 1.4; margin-top: 3px; }
.surfacebaf04-entity-map { display: grid; gap: 5px; }
.surfacebaf04-entity-map article { display: flex; gap: 10px; align-items: flex-start; padding: 11px; border: 1px solid var(--surfacebaf04-line); border-radius: var(--surfacebaf04-r-md); background: var(--surfacebaf04-bg-card); }
.surfacebaf04-map-node { width: 26px; height: 26px; display: grid; place-items: center; flex: 0 0 26px; border-radius: 50%; background: var(--surfacebaf04-purple); color: #fff; font-size: 12px; font-weight: 800; }
.surfacebaf04-entity-map h3 { color: var(--surfacebaf04-ink); font-size: 14px; margin: 0 0 3px; } .surfacebaf04-entity-map p { color: var(--surfacebaf04-ink-soft); font-size: 12.5px; line-height: 1.55; margin: 0; } .surfacebaf04-entity-map > i { text-align: center; color: var(--surfacebaf04-teal); font-style: normal; }
.surfacebaf04-timeline { display: grid; gap: 8px; }
.surfacebaf04-timeline article { position: relative; padding: 13px 13px 13px 48px; border: 1px solid var(--surfacebaf04-line); background: var(--surfacebaf04-bg-card); border-radius: var(--surfacebaf04-r-md); }
.surfacebaf04-timeline article > span { position: absolute; left: 13px; top: 13px; color: var(--surfacebaf04-teal); font-weight: 800; font-size: 12px; }
.surfacebaf04-timeline .surfacebaf04-btn { min-height: 36px; }
.surfacebaf04-payment { border-left-color: var(--surfacebaf04-violet); } .surfacebaf04-payment-head { display: flex; justify-content: space-between; color: var(--surfacebaf04-ink); margin-top: 10px; } .surfacebaf04-payment-head:first-child { margin-top: 0; } .surfacebaf04-payment-head span { color: var(--surfacebaf04-teal); font-weight: 800; } .surfacebaf04-payment p { margin: 3px 0 7px; }
.surfacebaf04-payment .surfacebaf04-btn { width: 100%; margin-top: 7px; }
.surfacebaf04-next-grid a, .surfacebaf04-next-grid button { color: var(--surfacebaf04-ink-soft); min-height: 80px; } .surfacebaf04-next-grid b, .surfacebaf04-next-grid span { display: block; } .surfacebaf04-next-grid b { color: var(--surfacebaf04-violet); font-size: 13px; margin-bottom: 4px; } .surfacebaf04-next-grid span { font-size: 12px; line-height: 1.5; }
.surfacebaf04-question-list article { border-left: 3px solid var(--surfacebaf04-orchid); } .surfacebaf04-question-list button { min-height: 38px; padding: 6px 10px; color: var(--surfacebaf04-teal); font-size: 12px; font-weight: 700; border: 1px solid rgba(32,178,170,.4); border-radius: var(--surfacebaf04-r-sm); }
.surfacebaf04-about-quote { margin: 18px 12px; border-left: 0; border-top: 3px solid var(--surfacebaf04-violet); }
@media (min-width: 430px) { .surfacebaf04-device-grid, .surfacebaf04-next-grid, .surfacebaf04-question-list { grid-template-columns: repeat(2, 1fr); } .surfacebaf04-road li { grid-template-columns: 44px 1fr; } }