.support-page {
  padding: 5.8rem 0 3rem;
}

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  margin-bottom: 0.35rem;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.back-link::before {
  content: "\2190";
  display: inline-block;
  transition: transform 0.2s ease;
}

.back-link:hover {
  border-color: var(--accent);
  background: var(--surface-strong);
  color: var(--accent);
}

.back-link:hover::before {
  transform: translateX(-4px);
}

/* ── Hero ── */
.support-hero {
  display: grid;
  gap: 0.9rem;
  max-width: 600px;
}

.support-eyebrow { margin: 0; }
.support-tagline  { max-width: 56ch; margin: 0; }

/* ── Accordion section ── */
.support-methods { margin-top: 2.5rem; }

.support-section-head { margin-bottom: 1.2rem; }
.support-section-head .eyebrow { margin-bottom: 0.4rem; }

/* ── Accordion list ── */
.accordion { display: grid; gap: 0.6rem; }

/* ── Single item ── */
.accordion-item {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  overflow: hidden;
  transition: border-color 0.25s;
}

.accordion-item.is-open {
  border-color: rgba(111, 211, 255, 0.35);
}

[data-theme="light"] .accordion-item.is-open {
  border-color: rgba(3, 105, 161, 0.3);
}

/* ── Trigger ── */
.accordion-trigger {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.2rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  transition: background 0.2s;
}

.accordion-trigger:hover { background: var(--surface); }

.accordion-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(111, 211, 255, 0.22);
  background: linear-gradient(145deg, rgba(111, 211, 255, 0.12), rgba(127, 137, 255, 0.08));
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

[data-theme="light"] .accordion-icon {
  border-color: rgba(3, 105, 161, 0.18);
  background: linear-gradient(145deg, rgba(239, 246, 255, 0.96), rgba(224, 231, 255, 0.86));
  color: #075985;
}

.accordion-meta {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.accordion-meta-text {
  display: grid;
  gap: 0.1rem;
}

.accordion-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
}

.accordion-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

/* ── Network badge ── */
.network-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(111, 211, 255, 0.22);
  background: rgba(111, 211, 255, 0.08);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

[data-theme="light"] .network-badge {
  border-color: rgba(3, 105, 161, 0.22);
  background: rgba(3, 105, 161, 0.07);
  color: #075985;
}

/* TON variant */
.network-badge[data-net="TON"] {
  border-color: rgba(127, 137, 255, 0.3);
  background: rgba(127, 137, 255, 0.1);
  color: var(--accent-2);
}

[data-theme="light"] .network-badge[data-net="TON"] {
  color: #4338ca;
  border-color: rgba(67, 56, 202, 0.22);
  background: rgba(67, 56, 202, 0.06);
}

.accordion-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.accordion-item.is-open .accordion-chevron {
  transform: rotate(180deg);
}

/* ── Panel ── */
.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.accordion-item.is-open .accordion-panel {
  grid-template-rows: 1fr;
}

.accordion-panel-inner { overflow: hidden; }

.accordion-content {
  padding: 0 1.2rem 1.2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
}

/* ── USDT network switcher ── */
.network-switcher {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
  grid-column: 1 / -1;
}

.net-btn {
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.net-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.net-btn.is-active {
  border-color: var(--accent);
  background: rgba(111, 211, 255, 0.1);
  color: var(--accent);
}

[data-theme="light"] .net-btn.is-active {
  background: rgba(3, 105, 161, 0.08);
}

/* ── Address block ── */
.accordion-address-block { display: grid; gap: 0.5rem; }

.accordion-address-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.accordion-address-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: var(--surface);
}

.accordion-address-text {
  flex: 1;
  font-family: "Space Grotesk", monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  word-break: break-all;
  line-height: 1.5;
  user-select: all;
}

.accordion-copy-btn {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.accordion-copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface-strong);
}

.accordion-copy-btn.copied {
  border-color: var(--success);
  color: var(--success);
}

/* ── QR code ── */
.accordion-qr {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: #fff;
  display: grid;
  place-items: center;
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.accordion-qr:hover {
  transform: scale(1.04);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.accordion-qr img {
  width: 88px;
  height: 88px;
  display: block;
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 3100;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.qr-modal[hidden] {
  display: none;
}

.qr-modal__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(2, 6, 23, 0.68);
  cursor: pointer;
}

.qr-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  padding: 1.25rem;
}

.qr-modal__close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.qr-modal__eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.qr-modal__title {
  margin: 0 0 1rem;
  font-size: 1.35rem;
}

.qr-modal__image-wrap {
  display: grid;
  place-items: center;
  padding: 1rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--card-border);
}

.qr-modal__image {
  width: min(100%, 280px);
  aspect-ratio: 1;
  object-fit: contain;
}

.qr-modal__network {
  margin: 0.9rem 0 0.5rem;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.qr-modal__address-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--surface);
}

.qr-modal__address {
  flex: 1;
  font-family: "Space Grotesk", monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-muted);
  word-break: break-all;
}

[data-theme="light"] .qr-modal__image-wrap {
  border-color: rgba(15, 23, 42, 0.12);
}

/* ── Footer note ── */
.support-footer { margin-top: 1rem; }
.support-note   { padding: 1rem 1.2rem; }
.support-note__text { margin: 0; color: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 700px) {
  .support-page { padding-top: 4.8rem; }

  .accordion-content { grid-template-columns: 1fr; }

  .accordion-qr { width: 80px; height: 80px; }
  .accordion-qr img { width: 72px; height: 72px; }

  .accordion-meta { flex-wrap: wrap; gap: 0.4rem; }

  .qr-modal__dialog { padding: 1rem; }
}