.support-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 100px 24px 80px;
}
.support-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 8px 0 12px;
}
.support-sub {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 36em;
}
.support-cards {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}
.support-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  background: var(--bg2);
  border-radius: 12px;
  transition: border-color 0.25s, transform 0.25s;
}
.support-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}
.support-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.support-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}
.support-card .btn-primary,
.support-card .btn-ghost {
  align-self: flex-start;
  margin-top: 6px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.support-note {
  margin-top: 36px;
  font-size: 13px;
  color: var(--muted);
}

/* Modal */
.crypto-modal {
  position: fixed;
  inset: 0;
  z-index: 6000;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.crypto-modal[hidden] { display: none !important; }
.crypto-dialog {
  position: relative;
  width: min(100%, 420px);
  max-height: min(92vh, 720px);
  overflow: auto;
  background: #121218;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 24px 24px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.crypto-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 22px;
  border-radius: 8px;
  cursor: pointer;
}
.crypto-dialog h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 28px 8px 0;
}
.crypto-lead {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0 0 20px;
}
.crypto-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}
.crypto-select,
.crypto-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0c0c10;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  margin-bottom: 14px;
}
.crypto-amount-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}
.crypto-amount-row .crypto-input {
  margin: 0;
  flex: 1;
}
.crypto-unit {
  flex-shrink: 0;
  min-width: 56px;
  text-align: center;
  font-weight: 700;
  color: var(--accent);
  font-size: 14px;
}
.crypto-qr-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  margin-bottom: 16px;
  min-height: 180px;
  justify-content: center;
  background: #0a0a0e;
}
.crypto-qr-wrap canvas {
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}
.crypto-qr-hint {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.crypto-addr-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: start;
}
.crypto-addr-label {
  grid-column: 1 / -1;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.crypto-addr-box code {
  grid-column: 1;
  font-size: 12px;
  word-break: break-all;
  color: var(--text);
  line-height: 1.4;
}
.crypto-copy {
  grid-column: 2;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
}
.crypto-copy:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.crypto-status {
  margin: 10px 0 0;
  font-size: 13px;
  color: #4ade80;
  min-height: 1.2em;
}
@media (max-width: 600px) {
  .support-page { padding: 88px 16px 60px; }
  .crypto-dialog { padding: 24px 16px 18px; }
}