/* Nexus /configure, design system v2. Dark and premium: near-black surfaces, one gold for
   money and the main action, purple for installing, a hint of peach/pink as warmth.
   Mobile first (most visitors are on a phone); the column simply gets more room on desktop. */
:root {
  --bg: #09090e; --bg-2: #0e0e15; --surface: #13131c; --surface-2: #191925; --surface-3: #212132;
  --line: rgba(255,255,255,.08); --line-strong: rgba(255,255,255,.18);
  --text: #f6f6fa; --text-2: #c4c4d2; --muted: #8e8ea1;
  --gold: #e3b94a; --gold-2: #f4d77f; --gold-ink: #1b1505; --gold-glow: rgba(227,185,74,.30);
  --purple: #8a5aab; --purple-2: #a874cc;
  --peach: #ff8a6b; --pink: #ff5c8a;
  --ok: #3ecf8e; --warn: #f5a524; --danger: #f87171;
  --danger-bg: rgba(248,113,113,.10); --danger-line: rgba(248,113,113,.38);
  --r-sm: 10px; --r: 16px; --r-lg: 22px; --r-pill: 999px;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Bricolage Grotesque", var(--font-body);
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; color-scheme: dark; background: var(--bg); }
body {
  margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); font-family: var(--font-body);
  font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(900px 420px at 50% -80px, rgba(138,90,171,.22), transparent 70%),
                    radial-gradient(700px 320px at 85% 0, rgba(227,185,74,.10), transparent 70%);
  background-repeat: no-repeat;
}
h1, h2, h3 { font-family: var(--font-display); margin: 0; letter-spacing: -.01em; line-height: 1.15; }
p { margin: 0; }
a { color: var(--gold-2); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--gold); color: var(--gold-ink); padding: var(--s2) var(--s4); z-index: 9; }
.skip:focus { left: var(--s3); top: var(--s3); }
:focus-visible { outline: 3px solid var(--gold-2); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }

.nx { max-width: 560px; margin: 0 auto; padding: var(--s4) var(--s4) var(--s7); }
@media (min-width: 720px) { .nx { max-width: 620px; padding-top: var(--s5); } body { font-size: 16px; } }

/* top bar */
.nx-top { display: flex; align-items: center; gap: var(--s3); padding: var(--s2) 0 var(--s4); }
.nx-mark { width: 34px; height: 34px; flex: none; }
.nx-name { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -.02em; }

/* hero */
.hero { padding: var(--s4) 0 var(--s5); }
.eyebrow { color: var(--gold); font-family: var(--font-display); font-weight: 600; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.hero h1 { font-size: clamp(30px, 8vw, 44px); font-weight: 700; margin: var(--s2) 0 var(--s3); }
/* Solid on purpose: a gradient clipped to the glyphs (transparent text) vanishes where background-clip:text is not honoured, and the word went missing in a session replay. */
.hero h1 em { font-style: normal; color: var(--peach); text-shadow: 0 0 22px rgba(255,138,107,.35); }
.lede { color: var(--text-2); font-size: 16px; max-width: 46ch; }
.hero .btn { margin-top: var(--s4); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s2); min-height: 52px; padding: 0 var(--s5); border: 0; border-radius: var(--r);
  font-family: var(--font-display); font-weight: 700; font-size: 16px; cursor: pointer; text-decoration: none; transition: transform .12s, filter .12s, background .12s; }
.btn:active { transform: translateY(1px); }
.btn-block { display: flex; width: 100%; }
.btn-gold { color: var(--gold-ink); background: linear-gradient(180deg, var(--gold-2), var(--gold)); box-shadow: 0 8px 24px var(--gold-glow); }
.btn-gold:hover { filter: brightness(1.06); }
.btn-purple { color: #fff; background: linear-gradient(180deg, var(--purple-2), var(--purple)); box-shadow: 0 8px 24px rgba(138,90,171,.35); }
.btn-purple:hover { filter: brightness(1.08); }
/* The free install button is the entry to the whole funnel: brighter than the base purple so it never reads as secondary. */
.hero .btn-purple { background: linear-gradient(180deg, #bb8be6, #9459c2); font-weight: 700; box-shadow: 0 8px 28px rgba(168,116,204,.55), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-line { color: var(--text); background: var(--surface-2); border: 1px solid var(--line-strong); }
.btn-line:hover { background: var(--surface-3); }
.btn:disabled { opacity: .55; cursor: default; filter: none; }
.link { background: none; border: 0; padding: var(--s2) 0; color: var(--gold-2); font: inherit; text-decoration: underline; cursor: pointer; text-underline-offset: 3px; }
.link.quiet { color: var(--muted); }
.fine { color: var(--muted); font-size: 13px; }

/* cards and notices */
.card { background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--s5) var(--s4); box-shadow: var(--shadow); }
@media (min-width: 720px) { .card { padding: var(--s5); } }
.card + .card, .card + .section { margin-top: var(--s4); }
.section { margin-top: var(--s5); }
.section > h2 { font-size: 22px; margin-bottom: var(--s3); }
.notice { display: flex; gap: var(--s3); padding: var(--s3) var(--s4); border-radius: var(--r); background: var(--surface-2); border: 1px solid var(--line); color: var(--text-2); font-size: 14px; }
.notice.warn { background: rgba(245,165,36,.09); border-color: rgba(245,165,36,.4); color: #f6dba7; }
.notice.danger { background: var(--danger-bg); border-color: var(--danger-line); color: #fecaca; }
.notice b { color: var(--text); }
.stack > * + * { margin-top: var(--s3); }
.stack-lg > * + * { margin-top: var(--s5); }

/* stepper */
.steps { list-style: none; display: flex; gap: var(--s2); margin: 0 0 var(--s4); padding: 0; }
.step { flex: 1; display: flex; flex-direction: column; gap: var(--s2); color: var(--muted); font-size: 12px; font-family: var(--font-display); font-weight: 600; }
.step .bar { display: block; height: 4px; border-radius: 4px; background: var(--surface-3); }
.step button .bar { margin-bottom: var(--s2); } .step span.bar { margin-bottom: var(--s2); }
.step.is-done .bar { background: var(--gold); }
.step.is-now { color: var(--text); } .step.is-now .bar { background: linear-gradient(90deg, var(--gold), var(--peach)); }
.step button { all: unset; cursor: pointer; display: block; }
.step.is-done { color: var(--text-2); }

/* the question */
.choices { display: grid; gap: var(--s3); }
.choice { text-align: left; background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: var(--r); padding: var(--s4); color: var(--text); cursor: pointer; font: inherit; min-height: 72px; transition: border-color .12s, background .12s, transform .12s; }
.choice:hover { border-color: var(--gold); background: var(--surface-3); }
.choice:active { transform: translateY(1px); }
.choice b { display: block; font-family: var(--font-display); font-size: 18px; }
.choice span { color: var(--text-2); font-size: 14px; }

/* plans */
.plans { display: grid; gap: var(--s3); margin: var(--s3) 0; }
.plan { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 2px var(--s3); align-items: center; text-align: left; width: 100%; background: var(--surface-2);
  border: 1.5px solid var(--line-strong); border-radius: var(--r); padding: var(--s4); color: var(--text); font: inherit; cursor: pointer; transition: border-color .12s, box-shadow .12s, background .12s; }
.plan:hover { background: var(--surface-3); }
.plan[aria-checked="true"] { border-color: var(--gold); background: linear-gradient(180deg, rgba(227,185,74,.14), rgba(227,185,74,.04)); box-shadow: 0 0 0 3px rgba(227,185,74,.14); }
.plan .p-name { font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.plan .p-sub { color: var(--text-2); font-size: 14px; grid-column: 1; }
.plan .p-price { grid-row: 1 / span 2; grid-column: 2; text-align: right; font-family: var(--font-display); font-weight: 700; font-size: 22px; color: var(--gold-2); }
.plan .p-price s { display: block; color: var(--danger); font-size: 13px; font-weight: 500; }
.plan .p-anchor { grid-column: 1 / -1; color: var(--muted); font-size: 13px; margin-top: var(--s1); }
.tag { position: absolute; top: -10px; right: var(--s4); background: var(--gold); color: var(--gold-ink); font-family: var(--font-display); font-weight: 700; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; padding: 2px var(--s2); border-radius: var(--r-pill); }
.tag.off { left: var(--s4); right: auto; background: #dc2626; color: #fff; }
.includes { display: flex; flex-wrap: wrap; gap: var(--s2); margin: var(--s2) 0 var(--s1); }
.includes .chip { font-size: 13px; color: var(--text-2); background: var(--surface-3); border: 1px solid var(--line); border-radius: var(--r-pill); padding: 4px 10px; }
.includes .chip::before { content: "\2713"; color: var(--ok); margin-right: 6px; }

/* pay */
.kv { display: grid; grid-template-columns: auto 1fr; gap: var(--s2) var(--s4); background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); padding: var(--s3) var(--s4); font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; text-align: right; font-weight: 600; }
.qr { width: 188px; height: 188px; margin: var(--s4) auto 0; background: #fff; border-radius: var(--r); padding: 10px; display: block; }
.qr svg { width: 100%; height: 100%; display: block; }
/* Logo in the middle. Error-correction level H (lib/qrcode.js) survives 30% damage; this covers about 4% of the area. */
.qr { position: relative; }
.qr::after { content: ""; position: absolute; left: 50%; top: 50%; width: 21%; height: 21%; transform: translate(-50%, -50%); background: #fff url(/logo.png) center / 78% no-repeat; border-radius: 50%; }
.addr { display: flex; gap: var(--s2); align-items: stretch; margin-top: var(--s3); }
.addr code { flex: 1; font-family: var(--font-mono); font-size: 13px; word-break: break-all; background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: var(--r-sm); padding: var(--s3); color: var(--text); user-select: all; }
.addr .btn { min-height: 0; padding: 0 var(--s4); font-size: 14px; }
.status { display: flex; align-items: center; gap: var(--s3); padding: var(--s3) var(--s4); border-radius: var(--r); background: var(--surface-2); border: 1px solid var(--line); margin-top: var(--s4); }
.status .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); flex: none; }
.status.found .dot { background: var(--ok); }
@media (prefers-reduced-motion: no-preference) { .status .dot { animation: pulse 1.6s ease-in-out infinite; } .status.found .dot { animation: none; }
  @keyframes pulse { 0%,100% { opacity: .35; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.1); } }
  .view { animation: rise .22s ease-out; } @keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } } }
input.field { width: 100%; background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: var(--r-sm); color: var(--text); font-family: var(--font-mono); font-size: 14px; padding: var(--s3); }
input.field::placeholder { color: var(--muted); }
.msg { min-height: 20px; font-size: 14px; color: var(--text-2); margin-top: var(--s2); }

/* get usdt */
.howto { counter-reset: n; list-style: none; padding: 0; margin: var(--s3) 0; display: grid; gap: var(--s3); }
.howto li { counter-increment: n; display: grid; grid-template-columns: 32px 1fr; gap: var(--s3); align-items: start; color: var(--text-2); }
.howto li::before { content: counter(n); width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-3); color: var(--gold-2); font-family: var(--font-display); font-weight: 700; }
.exchanges { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s2); margin: var(--s3) 0; }
.ex { display: flex; align-items: center; justify-content: center; gap: var(--s2); min-height: 60px; padding: var(--s2) var(--s3); background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: var(--r); color: var(--text); text-decoration: none; font-weight: 600; font-size: 14px; }
.ex.light { background: #f2f2f5; border-color: #f2f2f5; }
.ex.light:hover { border-color: var(--gold); background: #fff; }
.ex:hover { border-color: var(--gold); background: var(--surface-3); }
.ex img { max-height: 26px; max-width: 100%; }
.ex .icon { width: 28px; height: 28px; border-radius: 50%; }
.ex { position: relative; }
.ex .tag { position: absolute; top: 5px; right: 6px; font-size: 9px; line-height: 1.4; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line-strong); border-radius: var(--r-pill); padding: 0 6px; }
.ex.light .tag { color: #4a4a5c; border-color: rgba(0,0,0,.22); }
.ex .badge { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--purple); font-family: var(--font-display); font-weight: 700; }
.ex:last-child:nth-child(odd) { grid-column: 1 / -1; }
details.app { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); padding: var(--s3) var(--s4); margin-top: var(--s2); }
details.app summary { cursor: pointer; font-weight: 600; color: var(--text-2); }
details.app ol { color: var(--text-2); margin: var(--s2) 0 0; padding-left: var(--s5); }

/* promo banner (a window of the Flash Sale). Compact on purpose: it must leave room for the Install button above the fold on a phone. */
.promo { position: relative; margin: 0 0 var(--s4); padding: var(--s3) var(--s4) var(--s4); border-radius: var(--r-lg); border: 2px solid var(--gold);
  background: radial-gradient(120% 140% at 50% 0%, rgba(227,185,74,.22), rgba(9,9,14,.2)), var(--surface); box-shadow: 0 0 40px var(--gold-glow);
  display: grid; grid-template-columns: auto 1fr; column-gap: var(--s4); row-gap: var(--s2); align-items: center; text-align: left; }
.promo > * { min-width: 0; }
.promo .eyebrow { grid-column: 1 / -1; font-size: 12px; }
.promo .big { display: flex; align-items: baseline; gap: var(--s1); line-height: 1; margin: 0; }
.promo .pct { font-family: var(--font-display); font-weight: 800; font-size: 44px; text-shadow: 0 0 24px rgba(248,113,113,.5); }
.promo .off { font-family: var(--font-display); font-weight: 800; font-size: 18px; color: var(--danger); }
.promo .headline { font-family: var(--font-display); font-weight: 700; font-size: 17px; line-height: 1.2; color: var(--gold-2); margin: 0; }
.promo .cap { grid-column: 1; color: var(--text-2); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; margin: 0; }
.promo .timer { grid-column: 2; display: flex; gap: var(--s2); justify-content: flex-end; }
.promo .btn { grid-column: 1 / -1; min-height: 44px; margin-top: var(--s1); }
.tile { min-width: 46px; padding: 4px var(--s2); border-radius: var(--r); background: rgba(0,0,0,.45); border: 1px solid var(--danger-line); display: flex; flex-direction: column; align-items: center; }
.tile b { font-family: var(--font-display); font-size: 21px; font-variant-numeric: tabular-nums; line-height: 1.1; }
.tile i { font-style: normal; font-size: 9px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.promo .sub { grid-column: 1 / -1; color: var(--text-2); font-size: 12px; margin-top: var(--s1); } .promo .when { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }

/* panels (update, done) */
.panel { border-radius: var(--r-lg); padding: var(--s5) var(--s4); border: 2px solid var(--purple); background: linear-gradient(180deg, rgba(138,90,171,.22), rgba(138,90,171,.06)); margin-bottom: var(--s4); }
.panel.done { border-color: var(--gold); background: linear-gradient(180deg, rgba(227,185,74,.18), rgba(227,185,74,.05)); }
.panel h2 { font-size: 26px; margin: var(--s1) 0 var(--s3); }
.panel ul, .panel ol { color: var(--text-2); padding-left: var(--s5); margin: var(--s3) 0 var(--s4); }
.badge-plan { display: inline-block; background: var(--gold); color: var(--gold-ink); font-family: var(--font-display); font-weight: 700; font-size: 12px; padding: 2px var(--s2); border-radius: var(--r-pill); letter-spacing: .04em; }
.code { display: flex; gap: var(--s2); margin-top: var(--s2); }
.code code { flex: 1; font-family: var(--font-mono); font-size: 13px; background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: var(--r-sm); padding: var(--s3); word-break: break-all; }

/* previews */
.car { position: relative; margin: var(--s3) auto var(--s2); max-width: 520px; }
.car-track { display: flex; gap: var(--s2); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; padding: 2px 0; border-radius: var(--r); cursor: default; -webkit-tap-highlight-color: transparent; user-select: none; -webkit-user-select: none; }
.car-track::-webkit-scrollbar { display: none; }
.car-track:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.car-slide { position: relative; flex: 0 0 100%; margin: 0; aspect-ratio: 16 / 9; border-radius: var(--r); overflow: hidden; scroll-snap-align: center; background: var(--surface-3); }
.car-slide img { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; -webkit-user-drag: none; }
.car-code { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px var(--s3) var(--s2); background: linear-gradient(0deg, rgba(0,0,0,.82), transparent); font-family: var(--font-mono); font-size: 13px; font-weight: 500; letter-spacing: .04em; color: #fff; pointer-events: none; }
.car-btn { display: none; position: absolute; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-strong); background: rgba(9,9,14,.78); color: var(--text); font-size: 22px; line-height: 1; cursor: pointer; place-items: center; padding: 0 0 3px; }
.car-btn.prev { left: -8px; } .car-btn.next { right: -8px; }
.car-btn:hover { border-color: var(--gold); }
@media (hover: hover) and (min-width: 640px) { .car-btn { display: grid; } }
.car-dots { display: flex; justify-content: center; gap: 6px; margin: var(--s2) 0 var(--s3); }
.car-dot { width: 7px; height: 7px; padding: 0; border-radius: 50%; border: 0; background: var(--line-strong); cursor: pointer; }
.car-dot.on { background: var(--gold); }
.pill { display: inline-block; margin-left: var(--s2); padding: 1px var(--s2); border: 1px solid var(--muted); border-radius: var(--r-pill); color: var(--muted); font-size: 10px; letter-spacing: .06em; font-family: var(--font-display); font-weight: 700; vertical-align: middle; }

/* survey and faq */
.survey { margin-top: var(--s4); } .survey h3 { font-size: 18px; margin-bottom: var(--s3); }
.survey .opt { display: block; width: 100%; text-align: left; background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: var(--r-sm); padding: var(--s3) var(--s4); color: var(--text); font: inherit; cursor: pointer; margin-top: var(--s2); }
.survey .opt:hover { border-color: var(--gold); }
.faq details { border-top: 1px solid var(--line); padding: var(--s3) 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: var(--s3); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 20px; line-height: 1; flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq p { color: var(--text-2); margin-top: var(--s2); }
.social { display: flex; align-items: center; gap: var(--s2); color: var(--text-2); font-size: 14px; margin: 0 0 var(--s4); }
.social .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.foot { margin-top: var(--s6); padding-top: var(--s4); border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; text-align: center; }
.err { text-align: center; padding: var(--s6) var(--s4); }
.err h2 { margin-bottom: var(--s3); } .err p { color: var(--text-2); margin-bottom: var(--s4); }

/* the daily price draw (a coupon that is opened; it never shows what could be won) */
.gacha { margin: 0 0 var(--s4); padding: var(--s4); border-radius: var(--r-lg); border: 1px solid var(--line-strong); background: linear-gradient(180deg, rgba(168,116,204,.16), rgba(168,116,204,.04)); }
.gacha-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s3); flex-wrap: wrap; margin-bottom: var(--s3); }
.gacha-head h3 { font-size: 16px; }
.gacha-msg { color: var(--text-2); font-size: 14px; }
.gacha-msg b { color: var(--text); font-variant-numeric: tabular-nums; }
/* the card: gold foil seen from the back until opened. Nothing here depends on the price. */
.fc-scene { display: block; position: relative; width: min(230px, 62vw); margin: var(--s2) auto var(--s3); padding: 0; border: 0; background: none; color: inherit; font: inherit; perspective: 900px; -webkit-tap-highlight-color: transparent; }
.fc-scene.closed { cursor: pointer; }
.fc-scene.closed:focus-visible { outline: 2px solid var(--gold); outline-offset: 6px; border-radius: 22px; }
.fc-card { position: relative; width: 100%; aspect-ratio: 2 / 3; transform-style: preserve-3d; transition: transform .95s cubic-bezier(.2, .85, .25, 1); }
.fc-card.is-flipped { transform: rotateY(180deg); }
.fc-card.no-anim { transition: none; }
.fc-face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 20px; overflow: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center; }
.fc-back { background: radial-gradient(120% 90% at 50% 0%, #4b2a73, #1b1030 70%), #1b1030; border: 2px solid var(--gold); box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset, 0 12px 34px rgba(138,90,171,.45);
  background-image: repeating-linear-gradient(45deg, rgba(227,185,74,.10) 0 2px, transparent 2px 14px), repeating-linear-gradient(-45deg, rgba(227,185,74,.10) 0 2px, transparent 2px 14px), radial-gradient(120% 90% at 50% 0%, #4b2a73, #1b1030 70%); }
.fc-emblem { width: 56px; height: 56px; filter: drop-shadow(0 4px 12px rgba(0,0,0,.5)); }
.fc-back-title { font-family: var(--font-display); font-weight: 700; font-size: 17px; letter-spacing: .02em; color: var(--gold-2); }
.fc-back-hint { font-size: 12px; color: var(--text-2); text-transform: uppercase; letter-spacing: .08em; }
.fc-front { transform: rotateY(180deg); color: #2a1d02; background: linear-gradient(155deg, #fff1b8 0%, #f4d77f 22%, #e3b94a 48%, #b8860b 78%, #f4d77f 100%); border: 2px solid #fff3c4; box-shadow: 0 0 0 1px rgba(0,0,0,.25) inset, 0 14px 40px rgba(227,185,74,.45); }
.fc-front::before { content: ""; position: absolute; inset: 7px; border-radius: 14px; border: 1px solid rgba(60,40,0,.35); pointer-events: none; }
.fc-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: rgba(42,29,2,.75); }
.fc-price { display: flex; flex-direction: column; align-items: center; line-height: 1; margin: 2px 0; }
.fc-price b { font-family: var(--font-display); font-size: 78px; font-weight: 800; letter-spacing: -.03em; color: #2a1d02; text-shadow: 0 2px 0 rgba(255,255,255,.35); }
.fc-price span { font-size: 15px; font-weight: 700; letter-spacing: .14em; color: rgba(42,29,2,.8); }
.fc-list { font-size: 12px; color: rgba(42,29,2,.75); }
.fc-hold { margin-top: 8px; padding: 4px 12px; border-radius: 999px; background: rgba(42,29,2,.88); color: var(--gold-2); font-size: 12px; }
.fc-hold b { font-variant-numeric: tabular-nums; }
.fc-shine { position: absolute; inset: -20% -60%; background: linear-gradient(115deg, transparent 38%, rgba(255,255,255,.65) 50%, transparent 62%); transform: translateX(-120%); pointer-events: none; }
.fc-card.shining .fc-shine { animation: fcShine 1.1s ease-out 1; }
.fc-flash { position: absolute; inset: -10%; border-radius: 28px; background: radial-gradient(closest-side, rgba(255,255,255,.9), rgba(255,244,196,.0)); opacity: 0; pointer-events: none; transform: translateZ(1px); }
.fc-card.flashing .fc-flash { animation: fcFlash .9s ease-out 1; }
.fc-card.charging { animation: fcCharge .55s ease-in-out infinite; }
.fc-card.charging .fc-back { box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset, 0 0 38px 6px rgba(227,185,74,.6); }
.fc-card.is-flipped.charging { animation: none; }
.gacha-after { text-align: center; margin-top: var(--s2); }
.gacha-after .btn { max-width: 320px; margin: 0 auto; }
.fc-confetti { position: absolute; inset: 0; pointer-events: none; z-index: 4; }
.fc-conf { position: absolute; left: 50%; top: 42%; width: 7px; height: 12px; margin: -6px 0 0 -3px; border-radius: 2px; background: var(--c); opacity: 0; animation: fcConf 1.5s cubic-bezier(.12, .7, .3, 1) var(--d) forwards; }
@keyframes fcConf { 0% { transform: translate(0, 0) rotate(0); opacity: 1; } 55% { opacity: 1; } 100% { transform: translate(var(--dx), calc(var(--dy) + var(--fall))) rotate(var(--rot)); opacity: 0; } }
@keyframes fcCharge { 0%, 100% { transform: rotate(-1.6deg) scale(1.01); } 50% { transform: rotate(1.6deg) scale(1.02); } }
@keyframes fcFlash { 0% { opacity: 0; } 30% { opacity: .95; } 100% { opacity: 0; } }
@keyframes fcShine { from { transform: translateX(-120%); } to { transform: translateX(120%); } }
@media (prefers-reduced-motion: reduce) { .fc-card { transition: none; } .fc-card.charging, .fc-card.shining .fc-shine, .fc-card.flashing .fc-flash { animation: none; } .fc-confetti { display: none; } }
.offer-strip { display: flex; align-items: center; justify-content: space-between; gap: var(--s2); margin: 0 0 var(--s3); padding: 10px 14px; border: 1px solid rgba(227,185,74,.45); border-radius: 12px; background: rgba(227,185,74,.08); color: var(--text); font-size: 14px; }
.offer-strip b { color: var(--gold-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.p-hold { display: block; margin-top: 2px; color: var(--gold-2); font-size: 12px; font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { .coupon.flip-in { animation: none; } }