/* ==========================================================================
   wg777.sbs - site palette & layout
   Canvas: mobile-first, 320px -> 430px phone frame, centered on wide screens
   Class prefix: surface2985a-   (variables use --surface2985a-*)
   Palette: #FFCC33 gold | #800080 purple | #F8F8FF ink | #0D1117 night | #FFB3BA rose
   Design tone: rounded headings + compact body, small radii, outlined tile
   cards, tight metric rhythm, segmented action buttons, icon micro-states.
   ========================================================================== */

/* ---------- tokens ---------- */
:root {
  --surface2985a-night: #0D1117;
  --surface2985a-night-deep: #080b10;
  --surface2985a-panel: #141c28;
  --surface2985a-panel-2: #1a2433;
  --surface2985a-panel-3: #202c3e;
  --surface2985a-line: rgba(248, 248, 255, 0.10);
  --surface2985a-line-strong: rgba(255, 204, 51, 0.34);
  --surface2985a-gold: #FFCC33;
  --surface2985a-gold-dim: #d9ad2b;
  --surface2985a-gold-wash: rgba(255, 204, 51, 0.13);
  --surface2985a-purple: #800080;
  --surface2985a-purple-deep: #5c125c;
  --surface2985a-purple-bright: #b45cb4;
  --surface2985a-purple-wash: rgba(128, 0, 128, 0.22);
  --surface2985a-ink: #F8F8FF;
  --surface2985a-muted: #a7b0c3;
  --surface2985a-faint: #77809a;
  --surface2985a-rose: #FFB3BA;
  --surface2985a-rose-wash: rgba(255, 179, 190, 0.12);
  --surface2985a-r-xxs: 4px;
  --surface2985a-r-xs: 6px;
  --surface2985a-r-s: 8px;
  --surface2985a-head-font: 'Baloo 2', 'Trebuchet MS', 'Segoe UI', sans-serif;
  --surface2985a-body-font: 'Barlow Semi Condensed', 'Arial Narrow', Arial, sans-serif;
  --surface2985a-tap: 44px;
}

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

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

body {
  margin: 0;
  background:
    radial-gradient(720px 340px at 12% -8%, rgba(128, 0, 128, 0.35), transparent 62%),
    radial-gradient(680px 320px at 105% 4%, rgba(255, 204, 51, 0.10), transparent 60%),
    var(--surface2985a-night-deep);
  color: var(--surface2985a-ink);
  font-family: var(--surface2985a-body-font);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.1px;
  min-height: 100vh;
}

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

button {
  font-family: inherit;
  color: inherit;
  cursor: pointer;
}

a { color: var(--surface2985a-gold); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--surface2985a-gold);
  outline-offset: 2px;
  border-radius: var(--surface2985a-r-xxs);
}

.surface2985a-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;
}

/* ---------- phone canvas ---------- */
.surface2985a-shell {
  position: relative;
  width: 100%;
  /* phone canvas width rule: the whole site lives inside a 430px column */
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(128, 0, 128, 0.16), transparent 240px),
    var(--surface2985a-night);
  box-shadow: 0 0 0 1px rgba(248, 248, 255, 0.05), 0 18px 60px rgba(0, 0, 0, 0.55);
  overflow-x: hidden;
}

/* ---------- top action bar ---------- */
.surface2985a-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(13, 17, 23, 0.98), rgba(13, 17, 23, 0.92));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--surface2985a-line-strong);
}

.surface2985a-header-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 56px;
  padding: 8px 10px;
}

/* brand zone: logo leads, nothing else in it */
.surface2985a-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin-right: auto;
  text-decoration: none;
}

.surface2985a-brand-logo {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: var(--surface2985a-r-xs);
  border: 1px solid var(--surface2985a-line-strong);
  background: var(--surface2985a-gold-wash);
  object-fit: cover;
}

.surface2985a-brand-name {
  font-family: var(--surface2985a-head-font);
  font-weight: 800;
  font-size: 21px;
  line-height: 1;
  color: var(--surface2985a-ink);
  letter-spacing: 0.4px;
}

.surface2985a-brand-name span {
  color: var(--surface2985a-gold);
}

/* action zone: segmented register / login pair */
.surface2985a-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.surface2985a-btn-register,
.surface2985a-btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 12px;
  border-radius: var(--surface2985a-r-xs);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, filter 0.15s ease, background 0.15s ease;
}

.surface2985a-btn-register {
  background: linear-gradient(135deg, var(--surface2985a-gold) 0%, #f2b91f 55%, #d9a117 100%);
  color: #2a1d02;
  box-shadow: 0 3px 12px rgba(255, 204, 51, 0.28);
}

.surface2985a-btn-login {
  background: var(--surface2985a-purple-wash);
  color: var(--surface2985a-rose);
  border-color: rgba(180, 92, 180, 0.55);
}

.surface2985a-btn-register:active,
.surface2985a-btn-login:active { transform: scale(0.96); }

/* menu trigger */
.surface2985a-menu-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
  flex: 0 0 auto;
}

.surface2985a-menu-btn i {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--surface2985a-gold);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.surface2985a-menu-btn[aria-expanded="true"] i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.surface2985a-menu-btn[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.surface2985a-menu-btn[aria-expanded="true"] i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- zoned menu page ---------- */
.surface2985a-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px; /* canvas width rule */
  height: 100%;
  z-index: 90;
  background: linear-gradient(180deg, rgba(8, 11, 16, 0.97), rgba(13, 17, 23, 0.99));
  overflow-y: auto;
  padding: 14px 14px 110px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.surface2985a-menu-open { opacity: 1; visibility: visible; }

.surface2985a-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--surface2985a-line-strong);
}

.surface2985a-menu-title {
  font-family: var(--surface2985a-head-font);
  font-size: 19px;
  font-weight: 800;
  color: var(--surface2985a-gold);
  margin: 0;
}

.surface2985a-menu-close {
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
  color: var(--surface2985a-ink);
  font-size: 18px;
  line-height: 1;
}

.surface2985a-menu-zone { margin-top: 16px; }

.surface2985a-menu-zone-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--surface2985a-head-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--surface2985a-rose);
}

.surface2985a-menu-zone-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--surface2985a-line);
}

.surface2985a-menu-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.surface2985a-menu-link {
  display: block;
  min-height: 46px;
  padding: 10px 10px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-left: 3px solid var(--surface2985a-purple-bright);
  border-radius: var(--surface2985a-r-xs);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--surface2985a-ink);
  line-height: 1.25;
}

.surface2985a-menu-link:hover { text-decoration: none; border-color: var(--surface2985a-line-strong); }

.surface2985a-menu-link em {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: var(--surface2985a-muted);
  font-weight: 500;
  margin-top: 2px;
}

.surface2985a-menu-cta {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.surface2985a-menu-cta .surface2985a-btn-register,
.surface2985a-menu-cta .surface2985a-btn-login { flex: 1; min-height: 44px; }

/* ---------- page body ---------- */
.surface2985a-main {
  padding: 12px 12px calc(104px + env(safe-area-inset-bottom, 0px));
}

/* ---------- banner carousel ---------- */
.surface2985a-hero {
  position: relative;
  border: 1px solid var(--surface2985a-line-strong);
  border-radius: var(--surface2985a-r-s);
  overflow: hidden;
  background: var(--surface2985a-panel);
}

.surface2985a-slide-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
}

.surface2985a-slide-btn img {
  width: 100%;
  aspect-ratio: 2.15 / 1;
  object-fit: cover;
}

.surface2985a-hero-track {
  display: grid;
}

.surface2985a-slide { grid-area: 1 / 1; opacity: 0; transition: opacity 0.35s ease; }
.surface2985a-slide-active { opacity: 1; }

.surface2985a-dots {
  position: absolute;
  left: 0; right: 0; bottom: 8px;
  display: flex;
  justify-content: center;
  gap: 7px;
  z-index: 2;
}

.surface2985a-dot {
  width: 22px;
  height: 6px;
  padding: 0;
  border-radius: 3px;
  border: 0;
  background: rgba(248, 248, 255, 0.32);
  transition: background 0.2s ease, width 0.2s ease;
}

.surface2985a-dot-active {
  width: 32px;
  background: var(--surface2985a-gold);
}

/* ---------- lead / H1 block ---------- */
.surface2985a-lead {
  margin: 16px 2px 4px;
}

.surface2985a-h1 {
  font-family: var(--surface2985a-head-font);
  font-size: 24px;
  line-height: 1.16;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--surface2985a-ink);
}

.surface2985a-h1 b {
  color: var(--surface2985a-gold);
  font-weight: 800;
}

.surface2985a-lead-text {
  margin: 0 0 12px;
  font-size: 14.5px;
  color: var(--surface2985a-muted);
}

.surface2985a-cta-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* segmented action buttons: two-part body + tail */
.surface2985a-cta-primary,
.surface2985a-cta-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 16px;
  border-radius: var(--surface2985a-r-xs);
  font-weight: 700;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.surface2985a-cta-primary {
  background: linear-gradient(135deg, var(--surface2985a-gold) 0%, #e6b422 100%);
  color: #2a1d02;
  box-shadow: 0 4px 16px rgba(255, 204, 51, 0.3);
}

.surface2985a-cta-primary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: 10px;
  border-top: 2px solid #2a1d02;
  border-right: 2px solid #2a1d02;
  transform: rotate(45deg);
}

.surface2985a-cta-secondary {
  background: var(--surface2985a-purple-wash);
  border-color: rgba(180, 92, 180, 0.6);
  color: var(--surface2985a-rose);
}

.surface2985a-cta-primary:active,
.surface2985a-cta-secondary:active { transform: scale(0.97); }

/* ---------- metric strip: tight number / label / note rhythm ---------- */
.surface2985a-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin: 14px 0 4px;
}

.surface2985a-metric {
  padding: 9px 10px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
}

.surface2985a-metric-num {
  font-family: var(--surface2985a-head-font);
  font-size: 19px;
  font-weight: 800;
  color: var(--surface2985a-gold);
  line-height: 1.05;
}

.surface2985a-metric-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--surface2985a-ink);
}

.surface2985a-metric-note {
  font-size: 11.5px;
  color: var(--surface2985a-faint);
  line-height: 1.3;
}

/* ---------- generic section ---------- */
.surface2985a-section { margin-top: 22px; }

.surface2985a-sec-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-bottom: 1px solid var(--surface2985a-line-strong);
  padding-bottom: 6px;
  margin-bottom: 4px;
}

.surface2985a-kicker {
  font-family: var(--surface2985a-head-font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--surface2985a-rose);
  flex: 0 0 auto;
}

.surface2985a-sec-title {
  font-family: var(--surface2985a-head-font);
  font-size: 18.5px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--surface2985a-ink);
  margin: 6px 0 4px;
}

.surface2985a-sec-sub {
  font-size: 13.5px;
  color: var(--surface2985a-muted);
  margin: 0 0 10px;
}

.surface2985a-sec-sub a { color: var(--surface2985a-rose); font-weight: 600; }

/* ---------- game grid: outlined tile cards ---------- */
.surface2985a-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
}

.surface2985a-tile {
  display: flex;
  flex-direction: column;
  padding: 5px 4px 6px;
  background: linear-gradient(180deg, var(--surface2985a-panel-2), var(--surface2985a-panel));
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.surface2985a-tile:hover,
.surface2985a-tile:active {
  border-color: var(--surface2985a-line-strong);
  text-decoration: none;
}

.surface2985a-tile:active { transform: scale(0.96); }

.surface2985a-tile-frame {
  display: block;
  border-radius: var(--surface2985a-r-xxs);
  overflow: hidden;
  border: 1px solid rgba(248, 248, 255, 0.07);
  background: var(--surface2985a-night);
}

.surface2985a-tile-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.surface2985a-tile:hover .surface2985a-tile-frame img { transform: scale(1.06); }

.surface2985a-tile-name {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  line-height: 1.22;
  font-weight: 600;
  color: var(--surface2985a-ink);
  text-align: center;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* wider phones may stretch to a 5th track */
@media (min-width: 400px) and (max-width: 430px) {
  .surface2985a-grid { grid-template-columns: repeat(5, 1fr); }
}

/* ---------- mobile access steps ---------- */
.surface2985a-steps {
  margin: 8px 0 10px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.surface2985a-step {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  padding: 9px 10px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
}

.surface2985a-step-num {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface2985a-gold-wash);
  border: 1px solid var(--surface2985a-line-strong);
  color: var(--surface2985a-gold);
  font-family: var(--surface2985a-head-font);
  font-weight: 800;
  font-size: 12.5px;
}

.surface2985a-step-body { font-size: 13px; color: var(--surface2985a-muted); }
.surface2985a-step-body b { color: var(--surface2985a-ink); }

.surface2985a-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin: 4px 0 10px;
}

.surface2985a-mini-card {
  padding: 10px;
  background: var(--surface2985a-purple-wash);
  border: 1px solid rgba(180, 92, 180, 0.45);
  border-radius: var(--surface2985a-r-xs);
}

.surface2985a-mini-title {
  font-family: var(--surface2985a-head-font);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--surface2985a-rose);
  margin: 0 0 4px;
}

.surface2985a-mini-text {
  font-size: 12px;
  color: var(--surface2985a-muted);
  margin: 0;
  line-height: 1.4;
}

/* ---------- trick rows ---------- */
.surface2985a-tricks {
  display: grid;
  gap: 6px;
  margin: 8px 0 4px;
}

.surface2985a-trick {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  padding: 9px 10px;
  border: 1px dashed var(--surface2985a-line-strong);
  border-radius: var(--surface2985a-r-xs);
  background: rgba(255, 204, 51, 0.05);
}

.surface2985a-trick-num {
  flex: 0 0 auto;
  font-family: var(--surface2985a-head-font);
  font-weight: 800;
  font-size: 16px;
  color: var(--surface2985a-gold);
  line-height: 1.2;
}

.surface2985a-trick p { margin: 0; font-size: 13px; color: var(--surface2985a-muted); }
.surface2985a-trick b { color: var(--surface2985a-ink); }

/* ---------- achievement chips ---------- */
.surface2985a-feats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin: 8px 0 4px;
}

.surface2985a-feat {
  padding: 10px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-top: 3px solid var(--surface2985a-purple-bright);
  border-radius: var(--surface2985a-r-xs);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.surface2985a-feat-marker {
  font-size: 15px;
  line-height: 1;
  color: var(--surface2985a-rose);
}

.surface2985a-feat-name {
  font-family: var(--surface2985a-head-font);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--surface2985a-ink);
  margin: 4px 0 3px;
}

.surface2985a-feat-note { font-size: 11.5px; color: var(--surface2985a-faint); line-height: 1.35; }

/* reveal micro-motion for chips */
.surface2985a-reveal { opacity: 0; transform: translateY(8px); transition: opacity 0.4s ease, transform 0.4s ease; }
.surface2985a-reveal-in { opacity: 1; transform: none; }

/* ---------- use case cards ---------- */
.surface2985a-cases {
  display: grid;
  gap: 8px;
  margin: 8px 0 4px;
}

.surface2985a-case-card {
  padding: 11px 12px;
  background: linear-gradient(135deg, var(--surface2985a-panel-2), var(--surface2985a-panel));
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
}

.surface2985a-case-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface2985a-gold-wash);
  border: 1px solid var(--surface2985a-line-strong);
  color: var(--surface2985a-gold);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.surface2985a-case-title {
  font-family: var(--surface2985a-head-font);
  font-size: 15px;
  font-weight: 700;
  color: var(--surface2985a-ink);
  margin: 6px 0 3px;
}

.surface2985a-case-text { margin: 0 0 6px; font-size: 13px; color: var(--surface2985a-muted); }
.surface2985a-case-text a { color: var(--surface2985a-rose); font-weight: 600; }

.surface2985a-case-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  background: var(--surface2985a-purple-wash);
  border: 1px solid rgba(180, 92, 180, 0.55);
  border-radius: var(--surface2985a-r-xs);
  color: var(--surface2985a-rose);
  font-weight: 700;
  font-size: 13px;
}

/* ---------- comparison table ---------- */
.surface2985a-compare-wrap {
  margin: 8px 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
  background: var(--surface2985a-panel);
}

.surface2985a-compare {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 12px;
}

.surface2985a-compare th,
.surface2985a-compare td {
  padding: 8px 9px;
  text-align: left;
  border-bottom: 1px solid var(--surface2985a-line);
  vertical-align: top;
}

.surface2985a-compare th {
  background: var(--surface2985a-purple-wash);
  color: var(--surface2985a-rose);
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  white-space: nowrap;
}

.surface2985a-compare td:first-child {
  color: var(--surface2985a-gold);
  font-weight: 700;
  white-space: nowrap;
}

.surface2985a-compare tr:last-child td { border-bottom: 0; }
.surface2985a-compare td { color: var(--surface2985a-muted); }

/* ---------- extended footer (home only) ---------- */
.surface2985a-extfoot {
  margin-top: 26px;
  border-top: 2px solid var(--surface2985a-line-strong);
  padding-top: 14px;
}

.surface2985a-ext-brand {
  font-size: 13px;
  color: var(--surface2985a-muted);
  margin: 0 0 12px;
}

.surface2985a-ext-brand b { color: var(--surface2985a-ink); }

.surface2985a-ext-zone-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 8px;
  font-family: var(--surface2985a-head-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--surface2985a-rose);
}

.surface2985a-ext-zone-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--surface2985a-line);
}

.surface2985a-ext-promos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.surface2985a-ext-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 9px 10px;
  border-radius: var(--surface2985a-r-xs);
  border: 1px solid var(--surface2985a-line-strong);
  background: var(--surface2985a-gold-wash);
  color: var(--surface2985a-gold);
  font-weight: 700;
  font-size: 13px;
  text-align: center;
  transition: transform 0.15s ease, background 0.15s ease;
}

.surface2985a-ext-btn:active { transform: scale(0.96); }

.surface2985a-ext-btn--vip {
  background: var(--surface2985a-purple-wash);
  border-color: rgba(180, 92, 180, 0.6);
  color: var(--surface2985a-rose);
}

.surface2985a-ext-dir {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.surface2985a-ext-dir a {
  display: block;
  padding: 9px 10px;
  min-height: 42px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-left: 3px solid var(--surface2985a-gold);
  border-radius: var(--surface2985a-r-xxs);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--surface2985a-ink);
  line-height: 1.25;
}

.surface2985a-ext-dir a:hover { text-decoration: none; border-color: var(--surface2985a-line-strong); }

.surface2985a-ext-dir a em {
  display: block;
  font-style: normal;
  font-size: 10.5px;
  color: var(--surface2985a-faint);
  font-weight: 500;
}

.surface2985a-ext-note {
  margin: 12px 0 0;
  padding: 10px;
  border: 1px dashed rgba(255, 179, 190, 0.4);
  border-radius: var(--surface2985a-r-xs);
  background: var(--surface2985a-rose-wash);
  font-size: 11.5px;
  color: var(--surface2985a-muted);
  line-height: 1.45;
}

/* ---------- common footer ---------- */
.surface2985a-footer {
  margin-top: 18px;
  padding: 12px 2px 6px;
  border-top: 1px solid var(--surface2985a-line);
  text-align: center;
}

.surface2985a-foot-copy {
  margin: 0;
  font-size: 11.5px;
  color: var(--surface2985a-faint);
}

.surface2985a-foot-copy b { color: var(--surface2985a-muted); }

/* ---------- layered bottom bar ---------- */
.surface2985a-bnav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: 430px; /* canvas width rule */
  z-index: 70;
  background: linear-gradient(180deg, rgba(16, 22, 31, 0.97), rgba(9, 12, 17, 0.99));
  border-top: 1px solid var(--surface2985a-line-strong);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* layer 1: slim ribbon */
.surface2985a-bnav-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 20px;
  padding: 2px 10px;
  background: linear-gradient(90deg, rgba(128, 0, 128, 0.35), rgba(255, 204, 51, 0.14));
  border-bottom: 1px solid var(--surface2985a-line);
  font-size: 10px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--surface2985a-rose);
  font-weight: 700;
}

/* layer 2: five-role row */
.surface2985a-bnav-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  min-height: 58px;
}

.surface2985a-bnav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 52px;
  padding: 5px 2px 6px;
  background: none;
  border: 0;
  color: var(--surface2985a-faint);
  text-decoration: none;
  transition: color 0.18s ease;
}

.surface2985a-bnav-item:hover { text-decoration: none; }

/* line icons by default, filled when active */
.surface2985a-bnav-ico {
  width: 23px;
  height: 23px;
}

.surface2985a-bnav-ico svg {
  width: 100%;
  height: 100%;
  display: block;
}

.surface2985a-bnav-ico .surface2985a-ico-stroke {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.surface2985a-bnav-ico .surface2985a-ico-fill {
  fill: transparent;
  transition: fill 0.18s ease;
}

.surface2985a-bnav-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  opacity: 0.85;
  transform: translateY(0);
  transition: opacity 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

/* active role: color switch + icon fills + label pops */
.surface2985a-bnav-item.surface2985a-is-active { color: var(--surface2985a-gold); }

.surface2985a-bnav-item.surface2985a-is-active .surface2985a-ico-fill { fill: currentColor; }

.surface2985a-bnav-item.surface2985a-is-active .surface2985a-bnav-label {
  opacity: 1;
  transform: translateY(-1px);
  font-weight: 700;
}

/* promo roles get a warm tint even when idle */
.surface2985a-bnav-item--promo { color: var(--surface2985a-rose); }

.surface2985a-bnav-item--promo.surface2985a-is-active { color: var(--surface2985a-gold); }

/* micro press feedback on every role */
.surface2985a-bnav-item:active .surface2985a-bnav-ico { transform: scale(0.9); }
.surface2985a-bnav-ico { transition: transform 0.15s ease; }

/* ---------- small screens ---------- */
@media (max-width: 359px) {
  .surface2985a-h1 { font-size: 21px; }
  .surface2985a-metrics { grid-template-columns: 1fr 1fr; }
  .surface2985a-ext-promos { grid-template-columns: 1fr; }
  .surface2985a-ext-dir { grid-template-columns: 1fr; }
  .surface2985a-btn-register { padding: 7px 9px; font-size: 12px; }
  .surface2985a-btn-login { padding: 7px 9px; font-size: 12px; }
}

/* ---------- wide screens keep the phone canvas ---------- */
@media (min-width: 431px) {
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
      radial-gradient(900px 500px at 20% 0%, rgba(128, 0, 128, 0.18), transparent 60%),
      radial-gradient(800px 460px at 85% 100%, rgba(255, 204, 51, 0.08), transparent 60%);
    pointer-events: none;
    z-index: -1;
  }
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .surface2985a-reveal { opacity: 1; transform: none; }
}

/* ---------- help page variations ---------- */
.surface2985a-guide-intro {
  padding: 14px;
  margin: 4px 0 16px;
  border-left: 4px solid var(--surface2985a-gold);
  border-radius: var(--surface2985a-r-xs);
  background: linear-gradient(125deg, var(--surface2985a-purple-wash), var(--surface2985a-panel));
}

.surface2985a-guide-intro p { margin: 0; color: var(--surface2985a-muted); font-size: 14px; }
.surface2985a-guide-intro strong { color: var(--surface2985a-gold); }

.surface2985a-guide-rail {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 10px 0 6px;
}

.surface2985a-guide-rail::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: var(--surface2985a-line-strong);
}

.surface2985a-guide-step {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  align-items: start;
  padding: 11px 10px 11px 8px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
}

.surface2985a-guide-marker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin: 2px 0 0 7px;
  border-radius: 50%;
  background: var(--surface2985a-night);
  border: 2px solid var(--surface2985a-gold);
  color: var(--surface2985a-gold);
  font-family: var(--surface2985a-head-font);
  font-size: 10px;
  font-weight: 800;
}

.surface2985a-guide-step h3,
.surface2985a-notebook h3,
.surface2985a-branch h3,
.surface2985a-answer h3 { margin: 0 0 4px; color: var(--surface2985a-ink); font-family: var(--surface2985a-head-font); font-size: 15px; line-height: 1.2; }
.surface2985a-guide-step p,
.surface2985a-notebook p,
.surface2985a-branch p,
.surface2985a-answer p { margin: 0; color: var(--surface2985a-muted); font-size: 13px; }

.surface2985a-inline-promo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 9px;
  padding: 8px 13px;
  border-radius: var(--surface2985a-r-xs);
  background: linear-gradient(135deg, var(--surface2985a-gold), #e4ad1b);
  color: #2a1d02;
  font-size: 13px;
  font-weight: 800;
}

.surface2985a-callout {
  margin: 10px 0;
  padding: 12px;
  border: 1px dashed var(--surface2985a-line-strong);
  border-radius: var(--surface2985a-r-xs);
  background: var(--surface2985a-gold-wash);
}
.surface2985a-callout b { color: var(--surface2985a-gold); }
.surface2985a-callout p { margin: 4px 0 0; color: var(--surface2985a-muted); font-size: 13px; }

.surface2985a-answer {
  padding: 12px;
  margin: 8px 0;
  border-top: 3px solid var(--surface2985a-purple-bright);
  background: var(--surface2985a-panel-2);
  border-radius: var(--surface2985a-r-xs);
}

.surface2985a-promo-strip {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  margin: 10px 0 2px;
  padding: 2px 1px 7px;
  scrollbar-width: thin;
}
.surface2985a-promo-strip a { flex: 0 0 auto; }

.surface2985a-notebook {
  padding: 12px;
  background: var(--surface2985a-panel);
  border: 1px solid var(--surface2985a-line);
  border-radius: var(--surface2985a-r-xs);
}
.surface2985a-notebook + .surface2985a-notebook { margin-top: 8px; }
.surface2985a-notebook-label {
  display: block;
  margin-bottom: 5px;
  color: var(--surface2985a-rose);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.surface2985a-branch-grid { display: grid; gap: 8px; margin: 9px 0; }
.surface2985a-branch { padding: 11px; border: 1px solid var(--surface2985a-line); border-radius: var(--surface2985a-r-xs); background: linear-gradient(135deg, var(--surface2985a-panel-2), var(--surface2985a-panel)); }
.surface2985a-branch[data-tone="warm"] { border-left: 3px solid var(--surface2985a-gold); }
.surface2985a-branch[data-tone="cool"] { border-left: 3px solid var(--surface2985a-purple-bright); }
.surface2985a-branch[data-tone="rose"] { border-left: 3px solid var(--surface2985a-rose); }

.surface2985a-fact-list { margin: 8px 0; padding: 0; list-style: none; border-top: 1px solid var(--surface2985a-line); }
.surface2985a-fact-list li { display: grid; grid-template-columns: 34% 66%; gap: 6px; padding: 8px 0; border-bottom: 1px solid var(--surface2985a-line); font-size: 12.5px; }
.surface2985a-fact-list b { color: var(--surface2985a-gold); }
.surface2985a-fact-list span { color: var(--surface2985a-muted); }

.surface2985a-glossary { display: grid; gap: 7px; margin: 9px 0; }
.surface2985a-glossary div { padding: 9px 10px; background: var(--surface2985a-purple-wash); border: 1px solid rgba(180, 92, 180, 0.4); border-radius: var(--surface2985a-r-xxs); }
.surface2985a-glossary dt { color: var(--surface2985a-rose); font-family: var(--surface2985a-head-font); font-weight: 700; font-size: 13.5px; }
.surface2985a-glossary dd { margin: 3px 0 0; color: var(--surface2985a-muted); font-size: 12.5px; }

.surface2985a-help-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: 10px 0; }
.surface2985a-help-cta a { display: flex; align-items: center; justify-content: center; min-height: 46px; padding: 8px; text-align: center; border: 1px solid var(--surface2985a-line-strong); border-radius: var(--surface2985a-r-xs); background: var(--surface2985a-gold-wash); color: var(--surface2985a-gold); font-size: 12.5px; font-weight: 800; }
.surface2985a-help-cta a:nth-child(2n) { background: var(--surface2985a-purple-wash); border-color: rgba(180, 92, 180, 0.6); color: var(--surface2985a-rose); }

@media (max-width: 359px) {
  .surface2985a-help-cta { grid-template-columns: 1fr; }
  .surface2985a-fact-list li { grid-template-columns: 38% 62%; }
}