:root {
  --blue: #0500ff;
  --bg: #05060b;
  --panel: #0d0f17;
  --text: #f2f4f8;
  --muted: #8b93a7;
  --border: #1c2130;
  --ok: #22c55e;
  --warn: #f59e0b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1000px 500px at 50% -10%, rgba(5, 0, 255, 0.25), transparent 60%),
    radial-gradient(600px 300px at 90% 110%, rgba(5, 0, 255, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 16px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ── Top bar ─────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.brand .logo { width: 28px; height: 28px; }
.brand .thin { font-weight: 400; }

.nav { display: flex; gap: 22px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }

/* ── Hero ────────────────────────────── */
.hero {
  flex: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 24px 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #aab4ff;
  background: rgba(5, 0, 255, 0.14);
  border: 1px solid rgba(5, 0, 255, 0.45);
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 10px;
  font-size: 34px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sub {
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 430px;
}

.sub strong { color: var(--text); }

/* ── Card visual ─────────────────────── */
.card-wrap {
  perspective: 1000px;
  margin-bottom: 22px;
}

.tw-card {
  width: 340px;
  aspect-ratio: 1.586;
  border-radius: 20px;
  background: linear-gradient(135deg, #101226 0%, #0a0d2e 40%, #0500ff 130%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 25px 60px rgba(5, 0, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: rotateX(8deg) rotateY(-6deg);
  transition: transform 0.35s ease;
}

.card-wrap:hover .tw-card {
  transform: rotateX(0deg) rotateY(0deg);
}

.tw-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tw-card-top .logo { width: 34px; height: 34px; }

.tw-card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.75);
}

.chip-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chip {
  width: 40px;
  height: 30px;
  border-radius: 6px;
  background: linear-gradient(135deg, #f7e39c, #c9a84c);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
}

.contactless {
  width: 22px;
  height: 22px;
  color: rgba(255, 255, 255, 0.8);
}

.contactless svg { width: 100%; height: 100%; }

.number {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.92);
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
}

.tw-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.holder-label {
  font-size: 9px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 3px;
}

.holder-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.expiry { text-align: right; }

/* ── Perks row under the card ────────── */
.perks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 0 28px;
  max-width: 460px;
}

.perk {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: #cdd5e4;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.perk svg {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--ok);
}

/* ── CTA buttons ─────────────────────── */
.cta {
  width: 100%;
  max-width: 380px;
  padding: 16px 20px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #0500ff, #3d38ff);
  color: #fff;
  font-size: 16.5px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(5, 0, 255, 0.4);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta:hover { transform: translateY(-1px); }
.cta:active { transform: translateY(0); }
.cta:disabled { opacity: 0.75; cursor: default; transform: none; }

.cta.big {
  margin-bottom: 6px;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 12px 30px rgba(5, 0, 255, 0.4); }
  50%      { box-shadow: 0 12px 44px rgba(5, 0, 255, 0.8); }
}

.cta.ghost {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
  color: var(--muted);
}

.cta.ghost:hover { color: var(--text); }

/* ── Steps ───────────────────────────── */
.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 26px 0 22px;
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}

.step .n {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #aab4ff;
  background: rgba(5, 0, 255, 0.2);
  border: 1px solid rgba(5, 0, 255, 0.5);
}

.step.done { border-color: rgba(34, 197, 94, 0.5); color: var(--text); }
.step.done .n {
  background: rgba(34, 197, 94, 0.2);
  border-color: rgba(34, 197, 94, 0.6);
  color: var(--ok);
}

/* ── Status ──────────────────────────── */
.status {
  max-width: 420px;
  margin: 14px auto 0;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.status.info { color: #aab4ff; border-color: rgba(5, 0, 255, 0.4); }
.status.ok   { color: var(--ok);   border-color: rgba(34, 197, 94, 0.4); }
.status.warn { color: var(--warn); border-color: rgba(245, 158, 11, 0.4); }
.status.err { color: #f87171; border-color: rgba(248, 113, 113, 0.4); }

/* ── QR modal ────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 4, 10, 0.8);
  backdrop-filter: blur(6px);
}

.modal[hidden] { display: none; }

.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  text-align: center;
  max-width: 320px;
  width: calc(100% - 40px);
}

.modal-box h3 {
  margin: 0 0 16px;
  font-size: 18px;
}

#qr-canvas {
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

.qr-hint {
  color: var(--muted);
  font-size: 13px;
  margin: 14px 0 18px;
}

.modal-box button {
  padding: 10px 22px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: 600 14px/1 inherit;
  cursor: pointer;
}

.modal-box button:hover { background: rgba(255, 255, 255, 0.08); }

/* ── Footer ──────────────────────────── */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 28px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }

/* ── Responsive ──────────────────────── */
@media (max-width: 480px) {
  h1 { font-size: 27px; }
  .topbar { padding: 14px 18px; }
  .nav { display: none; }
  .hero { padding: 18px 18px 44px; }
  .tw-card { width: 300px; padding: 18px; }
  .perk { font-size: 12px; padding: 7px 11px; }
  .footer { justify-content: center; text-align: center; }
}