:root {
  --bg: #0a0612;
  --surface: #120b1a;
  --surface-hover: #1a1025;
  --text: #e8e0f0;
  --text-muted: #a78bb8;
  --neon: #c084ff;
  --neon-bright: #e879f9;
  --neon-glow: rgba(192, 132, 255, 0.5);
  --neon-glow-strong: rgba(192, 132, 255, 0.7);
  --neon-border: rgba(192, 132, 255, 0.4);
  --crypto: #22c55e;
  --radius: 12px;
  --font: "Orbitron", system-ui, sans-serif;
}

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

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-transform: lowercase;
  overflow-x: hidden;
}

/* subtle purple ambient glow behind content */
body::before {
  content: "";
  position: fixed;
  inset: -50%;
  background: radial-gradient(
    ellipse 80% 50% at 50% -20%,
    rgba(192, 132, 255, 0.12) 0%,
    transparent 50%
  );
  pointer-events: none;
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem) clamp(1.25rem, 4vw, 2rem);
  padding-left: max(clamp(1.25rem, 4vw, 2rem), env(safe-area-inset-left));
  padding-right: max(clamp(1.25rem, 4vw, 2rem), env(safe-area-inset-right));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 0.85rem);
}

/* Header — title at top */
.header {
  text-align: center;
}

.header h1 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  margin: 0 0 0.4rem;
  letter-spacing: 0.05em;
  color: var(--text);
  text-shadow:
    0 0 20px var(--neon-glow),
    0 0 40px var(--neon-glow);
}

.tagline {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

/* 404 page */
.page-404 .back-link-wrap {
  margin: 0;
}
.page-404 .back-link-wrap .btn {
  margin-top: 0.25rem;
}

/* Main: preferred block on top, other options below */
.main {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: clamp(0.5rem, 2vw, 1rem);
}

/* Preferred methods — single card with cash + bitcoin side by side */
.card-section {
  width: 100%;
}

.preferred-methods {
  width: 100%;
}

.preferred-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
}

@media (max-width: 600px) {
  .preferred-grid {
    grid-template-columns: 1fr;
  }
}

.preferred-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.preferred-item-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neon-bright);
  letter-spacing: 0.03em;
}

.preferred-item-actions {
  margin-top: 0.25rem;
}

/* Other options — crypto list card(s) below */
.other-section {
  width: 100%;
}

.other-options {
  width: 100%;
}

.other-options .card {
  max-width: 100%;
}

/* Legacy: payment options grid (kept for any non-refactored use) */
.options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
  width: 100%;
  max-width: 900px;
  margin-top: clamp(0.5rem, 2vw, 1rem);
}

@media (max-width: 700px) {
  .options {
    grid-template-columns: 1fr;
  }
}

/* Mobile: touch targets, spacing, readability */
@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  .page {
    padding-top: max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-top));
    padding-bottom: max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-bottom));
  }

  .options {
    gap: 1.25rem;
  }

  .card {
    padding: 1.25rem 1.25rem;
  }

  .header h1 {
    font-size: 1.55rem;
  }

  .card h2 {
    font-size: 1.15rem;
  }

  /* Touch-friendly button min height ~44px */
  .btn {
    min-height: 44px;
    padding: 0.65rem 1.25rem;
    font-size: 0.85rem;
  }

  .copy-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
  }

  .crypto-address-wrap {
    gap: 0.5rem;
  }

  .crypto-address {
    font-size: 0.7rem;
    padding: 0.5rem 0.6rem;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--neon-border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  box-shadow:
    0 0 20px rgba(192, 132, 255, 0.08),
    inset 0 0 30px rgba(192, 132, 255, 0.03);
}

.card:hover {
  background: var(--surface-hover);
  border-color: var(--neon);
  box-shadow:
    0 0 25px var(--neon-glow),
    0 0 50px rgba(192, 132, 255, 0.15),
    inset 0 0 40px rgba(192, 132, 255, 0.05);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

/* Space between card title and payment content */
.card .fiat-options,
.card .crypto-list,
.card .preferred-grid {
  margin-top: 1.5rem;
}

.card-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--neon-border);
  box-shadow: 0 0 15px var(--neon-glow);
}

.card-icon svg {
  width: 20px;
  height: 20px;
}

.card-fiat .card-icon,
.card-crypto .card-icon,
.card-preferred .card-icon {
  color: var(--neon);
  border-color: rgba(192, 132, 255, 0.5);
  box-shadow: 0 0 15px var(--neon-glow);
}

.card h2 {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.04em;
  color: var(--neon-bright);
  text-shadow: 0 0 15px var(--neon-glow);
}

.card p {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid var(--neon-border);
  cursor: pointer;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.15s;
  letter-spacing: 0.04em;
  color: var(--text);
  background: rgba(192, 132, 255, 0.1);
  box-shadow: 0 0 15px var(--neon-glow);
}

.btn:hover {
  border-color: var(--neon);
  box-shadow: 0 0 25px var(--neon-glow-strong), 0 0 40px var(--neon-glow);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.fiat-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fiat-option {
  padding-top: 0.5rem;
  border-top: 1px solid var(--neon-border);
}

.fiat-option:first-child {
  border-top: none;
  padding-top: 0;
}

.fiat-option-title {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neon-bright);
}

.fiat-option-desc {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.fiat-actions {
  margin-top: 0.25rem;
}

.fiat-option-placeholder {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Crypto */
.crypto-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.crypto-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.crypto-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.crypto-address-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.crypto-address {
  font-size: 0.65rem;
  padding: 0.4rem 0.5rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--neon-border);
  border-radius: 6px;
  color: var(--text);
  word-break: break-all;
  flex: 1;
  min-width: 0;
  box-shadow: 0 0 10px rgba(192, 132, 255, 0.08);
}

.copy-btn {
  flex-shrink: 0;
  padding: 0.4rem 0.65rem;
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--neon);
  background: rgba(192, 132, 255, 0.1);
  border: 1px solid var(--neon-border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.copy-btn:hover {
  background: rgba(192, 132, 255, 0.2);
  color: var(--neon-bright);
  box-shadow: 0 0 15px var(--neon-glow);
}

.copy-btn.copied {
  color: var(--crypto);
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.3);
}

/* Footnote — very small support links */
.footnote {
  margin-top: auto;
  padding-top: clamp(1rem, 2vw, 1.5rem);
  font-size: 0.55rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  text-align: center;
  opacity: 0.85;
}

.footnote a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footnote a:hover {
  color: var(--neon);
}