/* ROI — блок окупаемости под калькулятором */

.roi {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background:
    radial-gradient(circle at 0% 50%, rgba(34, 211, 160, 0.08), transparent 60%),
    var(--bg-card);
  border: 1px solid var(--accent-mint-dim);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.roi-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-sm);
}

.roi-head .emoji {
  font-size: 32px;
}

.roi-head h3 {
  font-size: 20px;
  margin: 0;
  color: var(--text-0);
  letter-spacing: -0.01em;
}

.roi-head h3 .mint { color: var(--accent-mint); }

.roi-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
  margin-top: var(--sp-sm);
}

@media (min-width: 600px) {
  .roi-grid { grid-template-columns: repeat(3, 1fr); }
}

.roi-cell { display: flex; flex-direction: column; text-align: left; }

.roi-cell .val {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-mint);
  line-height: 1.1;
  margin-bottom: 4px;
}

.roi-cell .label {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.4;
}

/* Обёртка для scroll-x таблицы на мобе */
.roi-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: var(--sp-md);
}

.roi-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: clamp(12px, 1vw, 15px);
}
.roi-table th, .roi-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.roi-table thead th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  font-weight: 700;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.roi-table tbody td:first-child { color: var(--text-0); font-weight: 600; white-space: nowrap; }
.roi-table tbody td:nth-child(2) { color: var(--text-2); }
.roi-table tbody tr:hover { background: rgba(46,166,255,0.04); }
.roi-table .th-gain, .roi-table .gain { text-align: right; white-space: nowrap; }
.roi-table .gain {
  color: var(--accent-mint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
}
.roi-table tfoot td {
  padding-top: 14px;
  border-top: 2px solid var(--accent-mint-dim);
  border-bottom: none;
  font-size: 15px;
  color: var(--text-1);
}
.roi-table tfoot .total { font-size: 16px; font-weight: 800; }
.roi-table tfoot b { color: var(--text-0); }
.roi-formula {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

.roi-formula b { color: var(--text-0); }

.roi-cell .val { font-size: clamp(22px, 2.5vw, 32px); }

@media (max-width: 599.98px) {
  .roi-table th, .roi-table td { padding: 8px 10px; }
}