:root { --brand: #2563eb; --brand-hover: #1d4ed8; --brand-soft: #eff6ff; --brand-ring: rgba(37,99,235,.18); --bg-tint: #f8fbff; --divider: #e8eef7; --border: #dce6f5; --border-strong: #cad8ee; --ink: #101828; --muted: #667085; --f-mono: ui-monospace, SFMono-Regular, Menlo, monospace; --shadow-xs: 0 1px 2px rgba(16,24,40,.05); --shadow-sm: 0 4px 10px rgba(16,24,40,.06); }
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1600px;
  padding: 40px 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  contain: paint;
}
.card-stack {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1.15 / 1;
  transform-style: preserve-3d;
}

/* ---------- Foundation shared by every tier --------------------- */
.hero-visual .card-face {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  aspect-ratio: 1.586 / 1;
  border-radius: 22px;
  padding: 26px 28px;
  color: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transform-origin: center center;
  transition:
    transform .75s cubic-bezier(.22,.9,.24,1),
    box-shadow .6s ease,
    filter .6s ease;
  box-shadow:
    0 42px 80px -24px rgba(6,8,22,.55),
    0 18px 40px -20px rgba(6,8,22,.4),
    inset 0 1px 0 rgba(255,255,255,.14),
    inset 0 -1px 0 rgba(0,0,0,.5);
  will-change: transform;
  isolation: isolate;
}

/* Ultra-subtle film grain — realism without embossed feel */
.hero-visual .card-face::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .09 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: .5;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

/* Lift real content above decorative layers */
.card-top,
.card-chip,
.card-number,
.card-bottom { position: relative; z-index: 4; }

/* ---------- METAL · flat anthracite titanium -------------------- */
.card-metal {
  background:
    linear-gradient(160deg, #26282f 0%, #1a1b22 48%, #101117 100%);
  border: 1px solid rgba(255,255,255,.07);
  transform: translateY(-50%) rotate(-4deg) translateX(-9%);
  z-index: 3;
}
.card-metal::after {
  content: "";
  position: absolute; inset: 0;
  background:
    /* single soft highlight at top-left only */
    radial-gradient(70% 55% at 22% 12%, rgba(255,255,255,.06), transparent 60%);
  pointer-events: none;
  z-index: 2;
}

/* ---------- EXCLUSIVE · flat cobalt ----------------------------- */
.card-exclusive {
  background:
    linear-gradient(160deg, #1a18ff 0%, #0500FF 50%, #0400cc 100%);
  transform: translateY(-50%) rotate(2deg) translateX(7%) translateY(18px);
  z-index: 2;
  border: 1px solid rgba(255,255,255,.12);
}
.card-exclusive::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(70% 55% at 22% 12%, rgba(255,255,255,.08), transparent 60%);
  pointer-events: none;
  z-index: 2;
}

/* ---------- PREMIUM · flat obsidian ----------------------------- */
.card-premium {
  background:
    linear-gradient(160deg, #15161c 0%, #0d0e13 50%, #060709 100%);
  transform: translateY(-50%) rotate(7deg) translateX(14%) translateY(44px);
  z-index: 1;
  border: 1px solid rgba(255,255,255,.05);
}
.card-premium::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 22% 12%, rgba(255,255,255,.035), transparent 60%);
  pointer-events: none;
  z-index: 2;
}

/* ---------- Hover: preserve fan, add lift ----------------------- */
.card-stack:hover .card-metal {
  transform: translateY(-50%) rotate(-5deg) translateX(-11%) translateY(-4px);
  box-shadow:
    0 52px 90px -24px rgba(6,8,22,.62),
    0 22px 44px -20px rgba(6,8,22,.45),
    inset 0 1px 0 rgba(255,255,255,.12),
    inset 0 -1px 0 rgba(0,0,0,.5);
}
.card-stack:hover .card-exclusive {
  transform: translateY(-50%) rotate(3deg) translateX(9%) translateY(24px);
}
.card-stack:hover .card-premium {
  transform: translateY(-50%) rotate(8deg) translateX(16%) translateY(52px);
}

/* ---------- Card chrome ---------------------------------------- */
.card-top {
  display: flex; justify-content: space-between; align-items: center;
}
.card-brand {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.018em;
  font-size: 17px;
  text-shadow: 0 1px 1px rgba(0,0,0,.35);
}
.card-brand-logo {
  height: 26px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  display: block;
}
.card-exclusive .card-brand-logo {
  filter: brightness(0) invert(1);
}
@media (min-width: 992px) {
  .card-brand-logo { height: 30px; }
}
.card-tier {
  font-size: 9.5px;
  letter-spacing: 0.28em;
  padding: 5px 9px 4px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 4px;
  font-weight: 700;
  color: rgba(255,255,255,.8);
  font-family: var(--f-display);
  background: rgba(255,255,255,.06);
}
.card-metal .card-tier,
.card-exclusive .card-tier,
.card-premium .card-tier {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.22);
  color: rgba(255,255,255,.82);
  box-shadow: none;
  text-shadow: none;
}

/* ---------- Flat brass EMV chip (ISO/IEC 7816 · 2×4 contact) ---- */
.card-chip {
  position: relative;
  width: 46px;
  height: 36px;
  border-radius: 6px;
  flex: none;
  background: #b8923d;
  overflow: hidden;
}
.card-chip::before { content: none; }
/* Flat 2×4 contact pad grid */
.chip-bridge {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(to right,
      transparent calc(50% - .5px),
      rgba(0,0,0,.45) calc(50% - .5px) calc(50% + .5px),
      transparent calc(50% + .5px)),
    linear-gradient(to bottom,
      transparent calc(25% - .5px),
      rgba(0,0,0,.45) calc(25% - .5px) calc(25% + .5px),
      transparent calc(25% + .5px) calc(50% - .5px),
      rgba(0,0,0,.45) calc(50% - .5px) calc(50% + .5px),
      transparent calc(50% + .5px) calc(75% - .5px),
      rgba(0,0,0,.45) calc(75% - .5px) calc(75% + .5px),
      transparent calc(75% + .5px));
}
.chip-pads { display: none; }
.chip-gloss { display: none; }
.card-chip::after { content: none; }
.card-chip-dark { background: #8a6820; }

/* ---------- Card number — embossed mono ------------------------- */
.card-number {
  font-family: var(--f-mono);
  font-feature-settings: "tnum" 1, "zero" 1;
  display: flex;
  gap: 16px;
  font-size: 20px;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: rgba(255,255,255,.96);
  text-shadow:
    0 1px 0 rgba(0,0,0,.45),
    0 0 18px rgba(255,255,255,.06);
}

/* ---------- Footer: cardholder · expiry · mastercard ------------ */
.card-bottom {
  display: flex; align-items: flex-end; gap: 24px;
}
.card-bottom > div {
  display: flex; flex-direction: column; gap: 3px; flex: 1;
}
.card-bottom small {
  font-size: 8px;
  letter-spacing: 0.24em;
  opacity: .55;
  font-weight: 700;
  font-family: var(--f-display);
}
.card-bottom span {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-weight: 600;
  text-shadow: 0 1px 0 rgba(0,0,0,.35);
}
.card-brand-mark {
  flex: none;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
}

/* ---------- Animated specular shimmer --------------------------- */
.card-shimmer {
  position: absolute;
  inset: -30%;
  background: linear-gradient(115deg,
    transparent 38%,
    rgba(255,255,255,.06) 46%,
    rgba(255,255,255,.28) 50%,
    rgba(255,255,255,.06) 54%,
    transparent 62%);
  transform: translate3d(-70%, -70%, 0);
  animation: cardShimmer 9s cubic-bezier(.4,.1,.3,1) infinite;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0;
  z-index: 3;
}

@keyframes cardShimmer {
  0%   { transform: translate3d(-70%, -70%, 0); opacity: 0; }
  18%  { opacity: .95; }
  55%  { opacity: .95; }
  80%  { transform: translate3d(70%, 70%, 0); opacity: 0; }
  100% { transform: translate3d(70%, 70%, 0); opacity: 0; }
}

/* ================================================================
   Wallet strip
   ================================================================ */
.strip {
  padding: 40px 0;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: var(--bg-tint);
}
@media (min-width: 768px) { .strip { padding: 56px 0; } }
.strip-label {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 28px;
}
.strip-row {
  display: flex; justify-content: center; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.chip-wallet {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: var(--shadow-xs);
  flex-wrap: wrap;
  justify-content: center;
}

.chip-wallet img {
  flex-shrink: 0;
  display: block;
  width: 26px;
  height: 28px;
  object-fit: contain;
}

.chip-wallet-name {
  white-space: nowrap;
}
.chip-wallet-hero {
  padding: 12px 20px 12px 14px;
  font-size: 16px;
  gap: 12px;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-ring), var(--shadow-sm);
}
.chip-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-left: 2px;
  white-space: nowrap;
}
.strip-chains {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.strip-chains span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: 11px;
  padding: 4px 10px;
  color: var(--muted);
  background: #fff;
  border: 1px dashed var(--border-strong);
  border-radius: 999px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* --- Mobile: card-stack overflow fixes --- */
@media (max-width: 991px) {
  .hero-visual {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 32px 0;
  }

  .card-stack {
    max-width: 360px;
    margin-inline: auto;
  }
}

@media (max-width: 639px) {
  .hero-visual {
    padding: 24px 0;
  }

  .card-stack {
    max-width: min(320px, calc(100vw - 2.5rem));
  }

  .card-metal {
    transform: translateY(-50%) rotate(-4deg) translateX(-8%);
  }

  .card-exclusive {
    transform: translateY(-50%) rotate(2deg) translateX(2%) translateY(10px);
  }

  .card-premium {
    transform: translateY(-50%) rotate(6deg) translateX(12%) translateY(22px);
  }

  .card-stack:hover .card-metal {
    transform: translateY(-50%) rotate(-5deg) translateX(-11%) translateY(-3px);
  }

  .card-stack:hover .card-exclusive {
    transform: translateY(-50%) rotate(3deg) translateX(3%) translateY(14px);
  }

  .card-stack:hover .card-premium {
    transform: translateY(-50%) rotate(7deg) translateX(14%) translateY(28px);
  }

  .hero-visual .card-face {
    padding: 20px 22px;
    border-radius: 18px;
    gap: 10px;
  }

  .card-brand-logo {
    height: 22px;
  }

  .card-number {
    font-size: 15px;
    gap: 8px;
    letter-spacing: 0.04em;
    flex-wrap: wrap;
  }

  .card-tier {
    font-size: 8.5px;
    padding: 4px 7px 3px;
  }

  .card-bottom small {
    font-size: 8px;
  }

  .card-bottom span {
    font-size: 11px;
  }
}

@media (max-width: 479px) {
  .hero-visual {
    padding: 16px 0;
  }

  .card-stack {
    max-width: min(280px, calc(100vw - 2rem));
  }

  .hero-visual .card-face {
    padding: 16px 18px;
    gap: 8px;
  }

  .card-brand-logo {
    height: 20px;
  }

  .card-number {
    font-size: 13px;
    gap: 6px;
  }
}