/* ============================================================
   landing-6.css — redesigned +10% offer block
   Interactive "recharge bonus calculator"
   ============================================================ */

.offer { background: var(--paper-2); }

.offer-pro {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  padding: 60px 64px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
  color: var(--paper);
  background:
    radial-gradient(circle at 12% 8%, rgba(0,232,193,0.20), transparent 42%),
    radial-gradient(circle at 92% 96%, rgba(67,83,255,0.42), transparent 52%),
    linear-gradient(135deg, #06183A 0%, #0E2A66 55%, #28379E 120%);
  box-shadow: 0 40px 100px rgba(8,29,63,0.28), inset 0 1px 0 rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
}
.offer-pro::after {
  content: '';
  position: absolute;
  top: -40%;
  left: -10%;
  width: 60%;
  height: 180%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transform: rotate(8deg);
  pointer-events: none;
}

/* ---- Left: value proposition ---- */
.offer-pro__copy { position: relative; z-index: 2; }
.offer-pro__copy h2 { color: var(--paper); margin: 18px 0 14px; font-size: clamp(28px, 3vw, 40px); }
.offer-pro__copy .lead { color: rgba(255,255,255,0.78); margin-bottom: 24px; }
.offer-pro__list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
}
.offer-pro__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: rgba(255,255,255,0.9);
  line-height: 1.35;
}
.offer-pro__list svg { width: 12px; height: 12px; }
.offer-pro__list .bullet__check { width: 20px; height: 20px; margin-top: 1px; }
.offer-pro__cta-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.offer-pro__guarantee {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.offer-pro__guarantee svg { width: 16px; height: 16px; color: var(--turquoise); }

/* ---- Right: interactive calculator ---- */
.recharge-calc {
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.98);
  border-radius: 22px;
  padding: 30px;
  color: var(--ink);
  box-shadow: 0 34px 70px rgba(0,0,0,0.42);
}
.recharge-calc__seal {
  position: absolute;
  top: -26px;
  right: -22px;
  width: 92px; height: 92px;
  border-radius: 50%;
  background: linear-gradient(150deg, #00FAD0, var(--turquoise));
  color: #00261F;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 36px rgba(0,232,193,0.5);
  animation: floatCoupon 5.5s ease-in-out infinite;
  z-index: 3;
}
.recharge-calc__seal::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1.5px dashed rgba(0,38,31,0.35);
  border-radius: 50%;
}
.recharge-calc__seal b { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.recharge-calc__seal span { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

.recharge-calc__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.recharge-calc__amounts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 22px;
}
.recharge-calc__amount {
  padding: 12px 4px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-2);
  transition: all .15s ease;
}
.recharge-calc__amount:hover { border-color: var(--turquoise-2); color: var(--ink); }
.recharge-calc__amount.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  box-shadow: 0 6px 16px rgba(8,29,63,0.25);
}

.recharge-calc__ticket {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
}
.recharge-calc__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  color: var(--ink-2);
  padding: 6px 0;
}
.recharge-calc__row b { color: var(--ink); font-weight: 600; }
.recharge-calc__row--bonus { color: #00A488; font-weight: 600; }
.recharge-calc__row--bonus b { color: #00A488; }
.recharge-calc__divider {
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
  margin: 10px 0;
}
.recharge-calc__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 4px;
}
.recharge-calc__total-label { font-size: 14px; font-weight: 600; color: var(--ink); }
.recharge-calc__total-value {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--navy);
  line-height: 1;
}
.recharge-calc__total-value.pulse { animation: rcPulse .4s ease; }
@keyframes rcPulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.08); color: #00A488; }
  100% { transform: scale(1); }
}
.recharge-calc__note {
  font-size: 12.5px;
  color: var(--ink-3);
  margin: 16px 0 0;
  text-align: center;
}

.offer__footnote { margin-top: 22px; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .offer-pro { grid-template-columns: 1fr; gap: 44px; padding: 48px 40px; }
  .recharge-calc { max-width: 460px; }
}
@media (max-width: 720px) {
  .offer-pro { padding: 36px 22px; border-radius: 22px; }
  .offer-pro__list { grid-template-columns: 1fr; gap: 10px; }
  .recharge-calc { padding: 24px 20px; }
  .recharge-calc__seal { width: 74px; height: 74px; top: -20px; right: -8px; }
  .recharge-calc__seal b { font-size: 20px; }
  .recharge-calc__amounts { gap: 6px; }
  .recharge-calc__amount { padding: 11px 2px; font-size: 14px; }
  .recharge-calc__total-value { font-size: 32px; }
  .offer-pro__cta-row .btn { width: 100%; }
}