/* ==========================================================================
   how to play color game - responsive-16e64a-interface.css
   Mobile-first stylesheet for the 320-430px phone canvas.
   Design language: geometric display type + neutral body, low-radius
   sectioned blocks, mixed large/small game cards, step-driven rhythm,
   sliding focus indicators, square high-contrast CTAs.
   Palette: #C71585 / #0C0C0C / #FF69B4 / #008B8B / #AFEEEE
   ========================================================================== */

/* ---------- tokens ---------- */
:root {
  --surface64a2d-ink: #0c0c0c;
  --surface64a2d-ink-2: #120711;
  --surface64a2d-ink-3: #180a13;
  --surface64a2d-magenta: #c71585;
  --surface64a2d-pink: #ff69b4;
  --surface64a2d-teal: #008b8b;
  --surface64a2d-mist: #afeeee;
  --surface64a2d-paper: #f0e6ef;
  --surface64a2d-muted: #a895a5;
  --surface64a2d-line: rgba(175, 238, 238, 0.14);
  --surface64a2d-line-pink: rgba(255, 105, 180, 0.32);
  --surface64a2d-font-display: "Avenir Next", "Century Gothic", Futura, "Trebuchet MS", "Segoe UI", sans-serif;
  --surface64a2d-font-body: "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  --surface64a2d-topbar-h: 56px;
  --surface64a2d-rail-h: 62px;
  --surface64a2d-glow: 0 0 12px rgba(255, 105, 180, 0.35);
}

/* ---------- reset / base ---------- */
* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--surface64a2d-ink);
  color: var(--surface64a2d-paper);
  font-family: var(--surface64a2d-font-body);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}

body.surface64a2d-noscroll {
  overflow: hidden;
}

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

a {
  color: var(--surface64a2d-mist);
}

button {
  font-family: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, p {
  margin: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--surface64a2d-pink);
  outline-offset: 2px;
}

::selection {
  background: var(--surface64a2d-magenta);
  color: #fff;
}

/* ---------- phone canvas shell ---------- */
.surface64a2d-shell {
  position: relative;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--surface64a2d-ink);
  box-shadow: 0 0 0 1px rgba(199, 21, 133, 0.12);
}

@media (min-width: 431px) {
  body {
    background-color: #070707;
    background-image:
      radial-gradient(60% 38% at 50% 0%, rgba(199, 21, 133, 0.16), transparent 70%),
      radial-gradient(50% 34% at 50% 100%, rgba(0, 139, 139, 0.14), transparent 70%);
    background-repeat: no-repeat;
  }

  .surface64a2d-shell {
    box-shadow:
      0 0 0 1px rgba(199, 21, 133, 0.24),
      0 26px 90px rgba(0, 0, 0, 0.6);
  }
}

/* content column, spaced clear of the fixed chrome */
.surface64a2d-main {
  padding-top: calc(var(--surface64a2d-topbar-h) + 8px);
  padding-bottom: calc(var(--surface64a2d-rail-h) + env(safe-area-inset-bottom, 0px) + 26px);
}

.surface64a2d-section {
  padding: 4px 12px 18px;
}

/* ---------- fixed functional topbar (edge aligned) ---------- */
.surface64a2d-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(12, 12, 12, 0.93);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(199, 21, 133, 0.4);
}

.surface64a2d-topbar-inner {
  max-width: 430px;
  margin: 0 auto;
  min-height: var(--surface64a2d-topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 8px;
}

/* brand block: real logo image + site name, nothing else */
.surface64a2d-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  text-decoration: none;
}

.surface64a2d-brand img {
  width: 26px;
  height: 26px;
  border-radius: 3px;
  border: 1px solid var(--surface64a2d-line-pink);
  flex: 0 0 auto;
}

.surface64a2d-brand-name {
  font-family: var(--surface64a2d-font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.surface64a2d-topbar-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
}

/* square high-contrast CTA buttons */
.surface64a2d-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--surface64a2d-font-display);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.surface64a2d-cta-primary {
  background: var(--surface64a2d-magenta);
  color: #fff;
}

.surface64a2d-cta-primary:active {
  box-shadow: var(--surface64a2d-glow);
}

.surface64a2d-cta-ghost {
  background: transparent;
  border-color: rgba(175, 238, 238, 0.45);
  color: var(--surface64a2d-mist);
}

.surface64a2d-cta-ghost:active {
  box-shadow: var(--surface64a2d-glow);
  color: #fff;
}

.surface64a2d-menubtn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid rgba(175, 238, 238, 0.3);
  border-radius: 0;
  cursor: pointer;
  flex: 0 0 auto;
}

.surface64a2d-menubtn span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--surface64a2d-mist);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.surface64a2d-menubtn:active {
  box-shadow: var(--surface64a2d-glow);
}

@media (min-width: 375px) {
  .surface64a2d-brand img {
    width: 30px;
    height: 30px;
  }

  .surface64a2d-brand-name {
    font-size: 13.5px;
  }

  .surface64a2d-cta {
    font-size: 11px;
    padding: 0 13px;
    min-height: 40px;
  }

  .surface64a2d-menubtn {
    width: 42px;
    height: 42px;
  }
}

/* ---------- side drawer menu ---------- */
.surface64a2d-scrim {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0, 0, 0, 0.62);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.surface64a2d-scrim.surface64a2d-open {
  opacity: 1;
  visibility: visible;
}

.surface64a2d-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  width: min(84vw, 316px);
  background: var(--surface64a2d-ink-2);
  border-left: 1px solid rgba(199, 21, 133, 0.5);
  transform: translateX(103%);
  transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px 26px;
  overflow-y: auto;
}

.surface64a2d-drawer.surface64a2d-open {
  transform: translateX(0);
}

.surface64a2d-drawer-title {
  font-family: var(--surface64a2d-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--surface64a2d-pink);
  padding: 8px 8px 2px;
}

.surface64a2d-drawer-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 4px 0 10px;
  border-bottom: 1px solid var(--surface64a2d-line);
}

.surface64a2d-drawer-actions .surface64a2d-cta {
  min-height: 44px;
}

.surface64a2d-drawer-link {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-left: 3px solid rgba(175, 238, 238, 0.25);
  color: var(--surface64a2d-paper);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.surface64a2d-drawer-link em {
  font-style: normal;
  font-family: var(--surface64a2d-font-display);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--surface64a2d-teal);
  margin-left: auto;
}

.surface64a2d-drawer-link:active {
  background: rgba(199, 21, 133, 0.2);
}

.surface64a2d-drawer-link[aria-current="page"] {
  background: rgba(199, 21, 133, 0.18);
  border-left-color: var(--surface64a2d-pink);
  color: #fff;
}

.surface64a2d-drawer-note {
  margin-top: auto;
  padding: 10px 8px 0;
  border-top: 1px solid var(--surface64a2d-line);
  font-size: 10.5px;
  color: var(--surface64a2d-muted);
}

/* ---------- hero ---------- */
.surface64a2d-hero {
  position: relative;
  padding: 16px 14px 4px;
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(199, 21, 133, 0.28), transparent 60%),
    radial-gradient(90% 70% at 0% 110%, rgba(0, 139, 139, 0.2), transparent 62%);
}

.surface64a2d-kicker {
  display: inline-block;
  font-family: var(--surface64a2d-font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--surface64a2d-mist);
  border: 1px solid rgba(0, 139, 139, 0.55);
  padding: 4px 8px;
  border-radius: 2px;
  margin-bottom: 10px;
}

.surface64a2d-hero h1 {
  font-family: var(--surface64a2d-font-display);
  font-size: 22px;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: #fff;
  text-wrap: balance;
}

.surface64a2d-hero h1 .surface64a2d-hi {
  color: var(--surface64a2d-pink);
}

.surface64a2d-lede {
  margin-top: 10px;
  font-size: 13px;
  color: var(--surface64a2d-paper);
}

.surface64a2d-lede strong {
  color: var(--surface64a2d-mist);
}

.surface64a2d-hero-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.surface64a2d-hero-row .surface64a2d-cta {
  flex: 1 1 auto;
  min-width: 128px;
  min-height: 44px;
  font-size: 11.5px;
}

.surface64a2d-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
  padding-bottom: 12px;
}

.surface64a2d-chip {
  font-family: var(--surface64a2d-font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--surface64a2d-mist);
  border: 1px solid rgba(0, 139, 139, 0.5);
  border-radius: 2px;
  padding: 4px 8px;
}

/* ---------- promo carousel ---------- */
.surface64a2d-carousel {
  position: relative;
  margin: 6px 12px 4px;
  border: 1px solid var(--surface64a2d-line-pink);
  border-radius: 4px;
  overflow: hidden;
  background: var(--surface64a2d-ink-3);
}

.surface64a2d-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.surface64a2d-slide {
  flex: 0 0 100%;
  position: relative;
  display: block;
  text-decoration: none;
}

.surface64a2d-slide img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.surface64a2d-slide-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 12px 10px;
  background: linear-gradient(180deg, transparent, rgba(12, 12, 12, 0.92));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.surface64a2d-slide-cap strong {
  font-family: var(--surface64a2d-font-display);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
}

.surface64a2d-slide-cap span {
  font-family: var(--surface64a2d-font-display);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--surface64a2d-pink);
  border: 1px solid var(--surface64a2d-line-pink);
  padding: 3px 6px;
  border-radius: 2px;
  white-space: nowrap;
}

.surface64a2d-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  display: flex;
  justify-content: center;
  gap: 7px;
  z-index: 2;
}

.surface64a2d-dot {
  width: 22px;
  height: 4px;
  padding: 0;
  border: 0;
  background: rgba(175, 238, 238, 0.3);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.surface64a2d-dot.surface64a2d-on {
  background: var(--surface64a2d-pink);
  box-shadow: var(--surface64a2d-glow);
}

/* ---------- sticky category rail with sliding ink ---------- */
.surface64a2d-catrail {
  position: sticky;
  top: var(--surface64a2d-topbar-h);
  z-index: 40;
  margin-top: 10px;
  background: rgba(12, 12, 12, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--surface64a2d-line);
  border-bottom: 1px solid var(--surface64a2d-line);
  overflow-x: auto;
  scrollbar-width: none;
}

.surface64a2d-catrail::-webkit-scrollbar {
  display: none;
}

.surface64a2d-catrail-inner {
  position: relative;
  display: flex;
  gap: 6px;
  padding: 8px 12px;
}

.surface64a2d-catlink {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 13px;
  font-family: var(--surface64a2d-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--surface64a2d-mist);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.surface64a2d-catlink.surface64a2d-on {
  color: #fff;
  background: rgba(199, 21, 133, 0.2);
  border-color: rgba(199, 21, 133, 0.6);
}

.surface64a2d-catrail-ink {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--surface64a2d-magenta), var(--surface64a2d-pink));
  transition: transform 0.3s ease, width 0.3s ease;
}

/* ---------- shared section heading ---------- */
.surface64a2d-h2 {
  font-family: var(--surface64a2d-font-display);
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: #fff;
  padding-left: 10px;
  border-left: 3px solid var(--surface64a2d-magenta);
  margin: 4px 0 8px;
}

@media (min-width: 375px) {
  .surface64a2d-h2 {
    font-size: 18.5px;
  }
}

.surface64a2d-sub {
  font-size: 12.5px;
  color: var(--surface64a2d-muted);
  margin-bottom: 12px;
}

/* ---------- step blocks ---------- */
.surface64a2d-steps {
  display: grid;
  gap: 9px;
}

.surface64a2d-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 11px 12px;
  background: var(--surface64a2d-ink-2);
  border: 1px solid var(--surface64a2d-line);
  border-left: 3px solid var(--surface64a2d-teal);
  border-radius: 3px;
}

.surface64a2d-stepno {
  font-family: var(--surface64a2d-font-display);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: var(--surface64a2d-teal);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
}

.surface64a2d-step h3 {
  font-family: var(--surface64a2d-font-display);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--surface64a2d-mist);
  margin-bottom: 3px;
}

.surface64a2d-step p {
  font-size: 12.5px;
  color: var(--surface64a2d-paper);
}

/* ---------- game lobby ---------- */
.surface64a2d-lobby {
  scroll-margin-top: 108px;
}

.surface64a2d-catblock {
  margin-top: 20px;
  scroll-margin-top: 104px;
}

.surface64a2d-cathead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.surface64a2d-cathead h3 {
  font-family: var(--surface64a2d-font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}

.surface64a2d-count {
  font-family: var(--surface64a2d-font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--surface64a2d-mist);
  border: 1px solid rgba(0, 139, 139, 0.55);
  border-radius: 2px;
  padding: 2px 6px;
  white-space: nowrap;
}

.surface64a2d-catblurb {
  font-size: 12px;
  color: var(--surface64a2d-muted);
  margin-bottom: 10px;
}

.surface64a2d-catblurb a {
  color: var(--surface64a2d-mist);
  text-decoration: underline;
  text-decoration-color: rgba(0, 139, 139, 0.7);
}

/* mixed card grid: 4 columns at 320px, 5 from 375px up */
.surface64a2d-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 6px;
}

@media (min-width: 375px) {
  .surface64a2d-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 10px 8px;
  }
}

.surface64a2d-cell-wide {
  grid-column: span 2;
}

.surface64a2d-game {
  display: block;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.surface64a2d-game:active {
  transform: scale(0.97);
}

.surface64a2d-game img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--surface64a2d-line);
  border-radius: 3px;
  background: var(--surface64a2d-ink-3);
}

.surface64a2d-game:active img {
  border-color: var(--surface64a2d-pink);
  box-shadow: var(--surface64a2d-glow);
}

.surface64a2d-game-name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 5px;
  font-size: 10.5px;
  line-height: 1.3;
  color: var(--surface64a2d-paper);
}

/* large feature card inside the same grid */
.surface64a2d-game-feature {
  position: relative;
}

.surface64a2d-game-feature img {
  aspect-ratio: 1 / 1;
}

.surface64a2d-game-feature .surface64a2d-game-name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 20px 8px 6px;
  text-align: left;
  font-family: var(--surface64a2d-font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(180deg, transparent, rgba(12, 12, 12, 0.94));
  -webkit-line-clamp: unset;
  border-radius: 0 0 3px 3px;
}

.surface64a2d-flag {
  position: absolute;
  top: 6px;
  left: 6px;
  font-family: var(--surface64a2d-font-display);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--surface64a2d-magenta);
  border-radius: 2px;
  padding: 3px 6px;
}

/* ---------- offers ---------- */
.surface64a2d-offers {
  display: grid;
  gap: 9px;
}

.surface64a2d-offer {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--surface64a2d-line-pink);
  border-radius: 3px;
  background: linear-gradient(135deg, rgba(199, 21, 133, 0.14), rgba(12, 12, 12, 0) 62%);
}

.surface64a2d-offer-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--surface64a2d-pink);
  border: 1px solid var(--surface64a2d-line-pink);
  border-radius: 2px;
  background: rgba(199, 21, 133, 0.12);
}

.surface64a2d-offer h3 {
  font-family: var(--surface64a2d-font-display);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 3px;
}

.surface64a2d-offer p {
  font-size: 12px;
  color: var(--surface64a2d-paper);
  margin-bottom: 8px;
}

.surface64a2d-offer .surface64a2d-cta {
  min-height: 36px;
  font-size: 10px;
}

/* ---------- trick rows ---------- */
.surface64a2d-tricks {
  list-style: none;
  display: grid;
  gap: 8px;
  counter-reset: surface64a2d-trick;
}

.surface64a2d-trick {
  counter-increment: surface64a2d-trick;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 11px;
  border: 1px solid var(--surface64a2d-line);
  border-radius: 3px;
  background: var(--surface64a2d-ink-2);
}

.surface64a2d-trick::before {
  content: counter(surface64a2d-trick, decimal-leading-zero);
  font-family: var(--surface64a2d-font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--surface64a2d-pink);
  padding-top: 1px;
}

.surface64a2d-trick strong {
  display: block;
  font-family: var(--surface64a2d-font-display);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--surface64a2d-mist);
  margin-bottom: 2px;
}

.surface64a2d-trick span {
  font-size: 12.5px;
  color: var(--surface64a2d-paper);
}

/* ---------- CTA band ---------- */
.surface64a2d-band {
  margin: 4px 12px;
  padding: 16px 14px;
  border: 1px solid rgba(199, 21, 133, 0.7);
  border-radius: 4px;
  background: linear-gradient(160deg, rgba(199, 21, 133, 0.26), rgba(0, 139, 139, 0.12));
}

.surface64a2d-band p {
  font-size: 13px;
  color: #fff;
  margin-bottom: 12px;
}

.surface64a2d-band-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.surface64a2d-band-row .surface64a2d-cta {
  flex: 1 1 auto;
  min-width: 132px;
  min-height: 46px;
  font-size: 12px;
}

/* ---------- pros / limitations split ---------- */
.surface64a2d-split {
  display: grid;
  gap: 9px;
}

@media (min-width: 375px) {
  .surface64a2d-split {
    grid-template-columns: 1fr 1fr;
  }
}

.surface64a2d-panel {
  padding: 12px;
  border-radius: 3px;
  background: var(--surface64a2d-ink-2);
}

.surface64a2d-panel-win {
  border: 1px solid rgba(0, 139, 139, 0.55);
}

.surface64a2d-panel-lim {
  border: 1px solid var(--surface64a2d-line-pink);
}

.surface64a2d-panel h3 {
  font-family: var(--surface64a2d-font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.surface64a2d-panel-win h3 {
  color: var(--surface64a2d-mist);
}

.surface64a2d-panel-lim h3 {
  color: var(--surface64a2d-pink);
}

.surface64a2d-panel ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.surface64a2d-panel li {
  position: relative;
  padding-left: 16px;
  font-size: 12px;
  color: var(--surface64a2d-paper);
}

.surface64a2d-panel-win li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--surface64a2d-teal);
  font-weight: 700;
}

.surface64a2d-panel-lim li::before {
  content: "\2013";
  position: absolute;
  left: 0;
  color: var(--surface64a2d-pink);
  font-weight: 700;
}

.surface64a2d-framing {
  font-size: 12.5px;
  color: var(--surface64a2d-paper);
  margin: 10px 0 12px;
}

.surface64a2d-framing a {
  color: var(--surface64a2d-mist);
  text-decoration: underline;
  text-decoration-color: rgba(0, 139, 139, 0.7);
}

/* ---------- glossary rows ---------- */
.surface64a2d-terms {
  border: 1px solid var(--surface64a2d-line);
  border-radius: 3px;
  overflow: hidden;
}

.surface64a2d-term {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding: 9px 11px;
  border-bottom: 1px solid var(--surface64a2d-line);
  background: var(--surface64a2d-ink-2);
}

.surface64a2d-term:last-child {
  border-bottom: 0;
}

.surface64a2d-term dt {
  font-family: var(--surface64a2d-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--surface64a2d-mist);
}

.surface64a2d-term dd {
  margin: 0;
  font-size: 12px;
  color: var(--surface64a2d-paper);
}

/* ---------- question rows ---------- */
.surface64a2d-qlist {
  display: grid;
  gap: 8px;
}

.surface64a2d-q {
  border: 1px solid var(--surface64a2d-line);
  border-left: 3px solid var(--surface64a2d-pink);
  border-radius: 3px;
  background: var(--surface64a2d-ink-2);
  padding: 10px 12px;
}

.surface64a2d-q h3 {
  font-family: var(--surface64a2d-font-display);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 4px;
}

.surface64a2d-q p {
  font-size: 12.5px;
  color: var(--surface64a2d-paper);
}

.surface64a2d-q a {
  color: var(--surface64a2d-mist);
  text-decoration: underline;
  text-decoration-color: rgba(0, 139, 139, 0.7);
}

/* ---------- extended site footer ---------- */
.surface64a2d-ext {
  margin-top: 20px;
  border-top: 1px solid var(--surface64a2d-line);
  background: var(--surface64a2d-ink-2);
  padding: 16px 14px 18px;
}

.surface64a2d-ext-brand {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.surface64a2d-ext-brand img {
  width: 34px;
  height: 34px;
  border-radius: 3px;
  border: 1px solid var(--surface64a2d-line-pink);
  flex: 0 0 auto;
}

.surface64a2d-ext-brand strong {
  display: block;
  font-family: var(--surface64a2d-font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--surface64a2d-pink);
  margin-bottom: 3px;
}

.surface64a2d-ext-brand p {
  font-size: 11.5px;
  color: var(--surface64a2d-muted);
}

.surface64a2d-ext-title {
  font-family: var(--surface64a2d-font-display);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--surface64a2d-mist);
  margin: 14px 0 8px;
}

.surface64a2d-extpromo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.surface64a2d-extpromo > button {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 8px 10px;
  border: 1px solid var(--surface64a2d-line-pink);
  border-radius: 2px;
  background: rgba(199, 21, 133, 0.1);
  color: #fff;
  font-family: var(--surface64a2d-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-align: left;
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

.surface64a2d-extpromo > button:active {
  background: rgba(199, 21, 133, 0.28);
  box-shadow: var(--surface64a2d-glow);
}

.surface64a2d-extpromo > button:last-child {
  grid-column: 1 / -1;
}

.surface64a2d-extpromo svg {
  flex: 0 0 auto;
  color: var(--surface64a2d-pink);
}

.surface64a2d-dirlist {
  list-style: none;
  columns: 2;
  column-gap: 16px;
}

.surface64a2d-dirlist li {
  break-inside: avoid;
  margin-bottom: 9px;
}

.surface64a2d-dirlist a {
  font-size: 11.5px;
  line-height: 1.35;
  color: var(--surface64a2d-mist);
  text-decoration: none;
  border-bottom: 1px dotted rgba(175, 238, 238, 0.35);
  padding-bottom: 1px;
}

.surface64a2d-dirlist a:active {
  color: #fff;
  border-bottom-color: var(--surface64a2d-pink);
}

.surface64a2d-disclaimer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--surface64a2d-line);
  font-size: 10.5px;
  line-height: 1.55;
  color: var(--surface64a2d-muted);
}

/* ---------- common footer ---------- */
.surface64a2d-footer {
  border-top: 1px solid rgba(199, 21, 133, 0.35);
  background: #0a050a;
  padding: 12px 14px calc(var(--surface64a2d-rail-h) + env(safe-area-inset-bottom, 0px) + 14px);
  text-align: center;
}

.surface64a2d-footer p {
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--surface64a2d-muted);
}

/* ---------- fixed bottom nav rail ---------- */
.surface64a2d-rail {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 70;
  background: rgba(12, 12, 12, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(199, 21, 133, 0.45);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.surface64a2d-rail-inner {
  max-width: 430px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  height: var(--surface64a2d-rail-h);
}

.surface64a2d-railitem {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 44px;
  color: var(--surface64a2d-muted);
  text-decoration: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--surface64a2d-font-body);
  padding: 4px 2px;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.surface64a2d-railitem svg {
  width: 21px;
  height: 21px;
}

.surface64a2d-raillabel {
  font-family: var(--surface64a2d-font-display);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.surface64a2d-railitem:active {
  color: #fff;
  box-shadow: var(--surface64a2d-glow);
}

/* active state: background support block + top marker */
.surface64a2d-railitem.surface64a2d-on {
  color: #fff;
  background: rgba(199, 21, 133, 0.18);
  box-shadow: inset 0 3px 0 var(--surface64a2d-magenta);
}

.surface64a2d-railitem.surface64a2d-on svg {
  color: var(--surface64a2d-pink);
}

/* ---------- motion / misc ---------- */
/* ---------- help-page reading layouts ---------- */
.surface64a2d-help-hero {
  padding: 18px 14px 16px;
  border-bottom: 1px solid var(--surface64a2d-line-pink);
  background: linear-gradient(145deg, rgba(199, 21, 133, 0.28), rgba(0, 139, 139, 0.12) 58%, transparent);
}

.surface64a2d-help-hero h1 {
  font-family: var(--surface64a2d-font-display);
  font-size: 23px;
  line-height: 1.2;
  color: #fff;
}

.surface64a2d-help-hero p {
  margin-top: 10px;
  color: var(--surface64a2d-paper);
  font-size: 13px;
}

.surface64a2d-help-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
  margin-top: 14px;
}

.surface64a2d-help-index a {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 7px 9px;
  border: 1px solid var(--surface64a2d-line);
  background: rgba(12, 12, 12, 0.58);
  color: var(--surface64a2d-mist);
  text-decoration: none;
  font-size: 11px;
  line-height: 1.25;
}

.surface64a2d-help-index a:active {
  border-color: var(--surface64a2d-pink);
  color: #fff;
}

.surface64a2d-diagnostic {
  display: grid;
  gap: 9px;
}

.surface64a2d-diagnostic article {
  padding: 12px 12px 13px;
  border-left: 3px solid var(--surface64a2d-teal);
  background: var(--surface64a2d-ink-2);
  border-top: 1px solid var(--surface64a2d-line);
  border-right: 1px solid var(--surface64a2d-line);
  border-bottom: 1px solid var(--surface64a2d-line);
}

.surface64a2d-diagnostic h3,
.surface64a2d-route h3,
.surface64a2d-safety-block h3 {
  font-family: var(--surface64a2d-font-display);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--surface64a2d-mist);
  margin-bottom: 4px;
}

.surface64a2d-diagnostic p,
.surface64a2d-route p,
.surface64a2d-safety-block p {
  font-size: 12.5px;
  color: var(--surface64a2d-paper);
}

.surface64a2d-diagnostic p + p,
.surface64a2d-route p + p,
.surface64a2d-safety-block p + p {
  margin-top: 7px;
}

.surface64a2d-route {
  display: grid;
  gap: 8px;
  counter-reset: route;
}

.surface64a2d-route article {
  counter-increment: route;
  position: relative;
  padding: 12px 12px 12px 45px;
  border: 1px solid var(--surface64a2d-line-pink);
  background: linear-gradient(90deg, rgba(199, 21, 133, 0.16), transparent 72%);
}

.surface64a2d-route article::before {
  content: counter(route, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 12px;
  font-family: var(--surface64a2d-font-display);
  color: var(--surface64a2d-pink);
  font-weight: 700;
}

.surface64a2d-route a,
.surface64a2d-safety-block a,
.surface64a2d-help-copy a {
  color: var(--surface64a2d-mist);
  text-decoration-color: rgba(175, 238, 238, 0.7);
}

.surface64a2d-actionbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 11px;
}

.surface64a2d-actionbar .surface64a2d-cta {
  flex: 1 1 132px;
  min-height: 44px;
}

.surface64a2d-takeaways {
  display: grid;
  gap: 7px;
  list-style: none;
}

.surface64a2d-takeaways li {
  padding: 10px 11px 10px 31px;
  position: relative;
  border-bottom: 1px solid var(--surface64a2d-line);
  color: var(--surface64a2d-paper);
  font-size: 12.5px;
}

.surface64a2d-takeaways li::before {
  content: "✓";
  position: absolute;
  left: 8px;
  color: var(--surface64a2d-pink);
  font-weight: 700;
}

/* Safety uses a decision matrix and a vertical verification flow. */
.surface64a2d-alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid rgba(255, 105, 180, 0.5);
  background: rgba(199, 21, 133, 0.16);
}

.surface64a2d-alert strong {
  display: block;
  color: #fff;
  font-family: var(--surface64a2d-font-display);
  font-size: 13px;
  margin-bottom: 3px;
}

.surface64a2d-alert span {
  color: var(--surface64a2d-paper);
  font-size: 12px;
}

.surface64a2d-branch {
  display: grid;
  gap: 8px;
}

.surface64a2d-branch article {
  padding: 11px 12px;
  border: 1px solid var(--surface64a2d-line);
  background: var(--surface64a2d-ink-2);
}

.surface64a2d-branch article:nth-child(odd) {
  border-left: 3px solid var(--surface64a2d-pink);
}

.surface64a2d-branch article:nth-child(even) {
  border-left: 3px solid var(--surface64a2d-teal);
}

.surface64a2d-payment {
  display: grid;
  gap: 8px;
}

.surface64a2d-payment-row {
  display: grid;
  grid-template-columns: 31px 1fr;
  gap: 9px;
  padding: 10px;
  background: rgba(0, 139, 139, 0.1);
  border: 1px solid rgba(0, 139, 139, 0.38);
}

.surface64a2d-payment-row b {
  width: 27px;
  height: 27px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface64a2d-teal);
  color: #fff;
  font-family: var(--surface64a2d-font-display);
}

.surface64a2d-payment-row h3 {
  margin-bottom: 2px;
}

.surface64a2d-verify {
  position: relative;
  display: grid;
  gap: 0;
  padding-left: 17px;
}

.surface64a2d-verify::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  bottom: 9px;
  width: 1px;
  background: var(--surface64a2d-magenta);
}

.surface64a2d-verify article {
  position: relative;
  padding: 10px 10px 12px 14px;
  border-bottom: 1px solid var(--surface64a2d-line);
}

.surface64a2d-verify article::before {
  content: "";
  position: absolute;
  left: -17px;
  top: 14px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--surface64a2d-pink);
  background: var(--surface64a2d-ink);
  border-radius: 50%;
}

.surface64a2d-safety-block {
  padding: 12px;
  border: 1px solid var(--surface64a2d-line);
  background: var(--surface64a2d-ink-2);
}

.surface64a2d-safety-block ul {
  margin: 7px 0 0 17px;
  padding: 0;
}

.surface64a2d-safety-block li {
  margin-bottom: 5px;
  color: var(--surface64a2d-paper);
  font-size: 12px;
}

@media (min-width: 375px) {
  .surface64a2d-help-hero h1 {
    font-size: 25px;
  }

  .surface64a2d-diagnostic,
  .surface64a2d-branch {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .surface64a2d-track,
  .surface64a2d-drawer,
  .surface64a2d-catrail-ink,
  .surface64a2d-scrim {
    transition: none;
  }
}