:root {
  color-scheme: dark;
  --bg: #07101c;
  --card: rgba(12, 18, 32, 0.88);
  --border: rgba(56, 189, 248, 0.18);
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --shadow: 0 32px 60px rgba(8, 15, 28, 0.65);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.1), transparent 55%), var(--bg);
  display: flex;
  flex-direction: column;
}

.page {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 32px 18px 72px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ep-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-size: clamp(1.6rem, 2vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.headline {
  font-size: clamp(1.5rem, 1.9vw, 1.8rem);
  margin: 0 0 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intro {
  margin: 0 0 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.intro-note {
  margin-top: -12px;
  margin-bottom: 24px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--text);
  font-size: 0.9rem;
}

.countdown {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 0 32px;
}

.countdown__item {
  min-width: 110px;
  padding: 16px 20px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 18px;
  text-align: center;
  background: rgba(9, 14, 24, 0.85);
}

.countdown__value {
  display: block;
  font-size: 1.8rem;
  font-weight: 600;
}

.countdown__label {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.countdown--secondary {
  margin-top: 20px;
  border: 1px dashed rgba(56, 189, 248, 0.25);
  border-radius: 18px;
  padding: 14px 18px;
  background: rgba(9, 14, 24, 0.7);
}

.countdown--secondary .countdown__item {
  min-width: 90px;
  padding: 12px 16px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 14px;
  background: rgba(7, 11, 18, 0.85);
}

.waitlist-card {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.waitlist-title {
  margin: 0;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.waitlist-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.waitlist-table-wrapper {
  overflow-x: auto;
}

.waitlist-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  border-radius: 14px;
  overflow: hidden;
}

.waitlist-table thead {
  background: rgba(56, 189, 248, 0.08);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.waitlist-table th,
.waitlist-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  text-align: left;
}

.waitlist-table tbody tr:last-child td {
  border-bottom: none;
}

.waitlist-assets {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.waitlist-empty {
  text-align: center;
  color: var(--text-muted);
}

.waitlist-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.78rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.step {
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 16px;
  padding: 18px 20px;
  background: rgba(8, 13, 22, 0.9);
}

.step__title {
  margin: 0 0 10px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step__text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.btc-address {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.35);
  font-family: 'SFMono-Regular', ui-monospace, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--text);
  overflow: hidden;
}

.contribution-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text);
}

.contribution-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 10px 14px;
  border-radius: 12px;
}

.tiers {
  margin: 32px 0 0;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  overflow: hidden;
}

.tiers table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.tiers th,
.tiers td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.tiers th {
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(56, 189, 248, 0.08);
}

.tiers tr:last-child td {
  border-bottom: none;
}

.ep-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .page {
    padding: 24px 12px 60px;
  }

  .card {
    padding: 22px;
  }
}