.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3.1rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #22d3ee 0%, var(--cyan) 42%, var(--cyan-deep) 100%);
  box-shadow: 0 12px 28px rgba(8, 145, 178, 0.28);
}

.btn-primary:hover {
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(8, 145, 178, 0.36);
}

.btn-ghost {
  color: var(--text);
  background: #ffffff;
  border-color: var(--line);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(8, 145, 178, 0.45);
  background: var(--cyan-soft);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(8, 145, 178, 0.28);
  background: var(--cyan-soft);
  color: var(--cyan-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.4rem;
}

.section-head h2 {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  font-weight: 650;
}

.section-head p {
  font-size: 1.05rem;
}

.eyebrow {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--cyan-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.split {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
}

.feature-list {
  display: grid;
  gap: 0;
}

.feature-item {
  padding: 1.2rem 0;
  border-top: 1px solid var(--line);
}

.feature-item:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.35em;
  font-weight: 650;
}

.network-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.network-item {
  padding: 1.15rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
  min-height: 8.5rem;
}

.network-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
  color: var(--text);
  font-weight: 650;
}

.network-item span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.step {
  position: relative;
  padding: 1.35rem 1.35rem 1.35rem 4.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1.15rem;
  top: 1.25rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: #ffffff;
  background: var(--cyan);
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 0.3em;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 650;
  color: var(--text);
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0.75rem 0 0.2rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.donate-grid {
  display: grid;
  gap: 1rem;
}

.donate-card {
  display: grid;
  gap: 0.65rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.donate-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.donate-meta {
  margin: 0;
  font-size: 0.88rem;
}

.addr-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: stretch;
}

.addr-row code {
  flex: 1 1 16rem;
  display: block;
  padding: 0.85rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--text);
  word-break: break-all;
}

.copy-btn {
  border: 1px solid var(--line);
  background: var(--cyan-soft);
  color: var(--cyan-deep);
  border-radius: 10px;
  padding: 0 1rem;
  font-weight: 700;
  cursor: pointer;
}

.copy-btn.is-copied {
  border-color: rgba(5, 150, 105, 0.45);
  color: var(--ok);
  background: #ecfdf5;
}

.contact-box {
  display: grid;
  gap: 1rem;
}

.mail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(120%);
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  background: #ecfdf5;
  border: 1px solid rgba(5, 150, 105, 0.35);
  color: #065f46;
  font-weight: 650;
  opacity: 0;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  z-index: 100;
  box-shadow: var(--shadow);
}

.toast.is-on {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .split,
  .network-strip {
    grid-template-columns: 1fr;
  }
}