* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #0f0f23; color: #eee; }
.container { max-width: 640px; margin: 0 auto; padding: 24px 16px; }
.center { text-align: center; padding-top: 60px; }

header { text-align: center; margin-bottom: 32px; }
header h1 { font-size: 32px; color: #6c5ce7; }
.subtitle { color: #999; margin-top: 8px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 32px; }
.feature { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 16px; text-align: center; }
.feature .icon { font-size: 28px; }
.feature h3 { font-size: 14px; margin: 8px 0 4px; }
.feature p { font-size: 12px; color: #999; }

.tariffs h2 { text-align: center; margin-bottom: 16px; color: #999; }
.tariff-card { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.tariff-header { display: flex; justify-content: space-between; align-items: center; }
.tariff-header h3 { font-size: 18px; }
.price { font-size: 24px; font-weight: 700; color: #6c5ce7; }
.days { color: #999; font-size: 14px; margin: 4px 0 12px; }

.tariff-card form { display: flex; flex-direction: column; gap: 8px; }
.tariff-card input { padding: 10px 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.08); color: #eee; font-size: 14px; }
.tariff-card input::placeholder { color: #666; }

.btn-buy { background: #6c5ce7; color: #fff; border: none; border-radius: 8px; padding: 12px; font-size: 16px; font-weight: 600; cursor: pointer; }
.btn-buy:hover { background: #5a4bd1; }

.info { text-align: center; margin-top: 24px; color: #999; font-size: 14px; }
.info a { color: #6c5ce7; text-decoration: none; }

.success-card { background: rgba(255,255,255,0.05); border-radius: 16px; padding: 32px; margin-top: 24px; }
.icon-big { font-size: 48px; }
.success-card h2 { margin: 16px 0 8px; }
.success-card p { color: #999; margin: 4px 0; }
.note { font-size: 12px; color: #666; margin-top: 12px; font-style: italic; }
.btn-tg { display: inline-block; margin-top: 20px; background: #6c5ce7; color: #fff; padding: 12px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; }

@media (max-width: 480px) {
    .features { grid-template-columns: 1fr; }
}