:root {
  --bg: #0b0b0d;
  --bg-card: #16161a;
  --border: #262629;
  --text: #f2f2f2;
  --text-dim: #9a9aa0;
  --red: #e2233c;
  --red-hover: #ff2e4a;
  --green: #33c56a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--red); }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.logo span { color: var(--red); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--red); }

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.hero {
  text-align: center;
  padding: 64px 0 40px;
}
.hero h1 {
  font-size: 34px;
  margin: 0 0 12px;
}
.hero p {
  color: var(--text-dim);
  font-size: 16px;
}

.status-card, .tariffs, .payment-form, .howto {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 24px;
}

.status-card h2, .tariffs h2, .howto h2 {
  margin-top: 0;
  font-size: 18px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.status-row:last-child { border-bottom: none; }
.status-row .val { font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.badge.active { background: rgba(51, 197, 106, 0.15); color: var(--green); }
.badge.inactive { background: rgba(226, 35, 60, 0.15); color: var(--red); }

.tariff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 640px) {
  .tariff-grid { grid-template-columns: 1fr; }
}

.tariff-card {
  background: #101013;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}
.tariff-label { color: var(--text-dim); margin-bottom: 8px; }
.tariff-price { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.tariff-price span { font-size: 16px; color: var(--text-dim); }

.btn-buy {
  width: 100%;
  background: var(--red);
  border: none;
  color: #fff;
  padding: 10px 0;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn-buy:hover { background: var(--red-hover); }
.btn-buy:disabled { opacity: 0.6; cursor: default; }

.howto ol { margin: 0; padding-left: 20px; color: var(--text-dim); }
.howto li { margin-bottom: 8px; }

footer {
  text-align: center;
  color: var(--text-dim);
  padding: 24px;
  font-size: 14px;
}