.irve-cost {
  --navy:#102449;
  --navy-dark:#08162f;
  --teal:#42b7bd;
  --teal-dark:#2998a1;
  --text:#18233a;
  --muted:#667085;
  --line:#dce6ed;
  margin:36px 0;
  color:var(--text);
  font-family:Arial,Helvetica,sans-serif;
}
.irve-cost * { box-sizing:border-box; }

.irve-cost__card {
  max-width:1180px;
  margin:0 auto;
  overflow:hidden;
  border:1px solid #e1e9ef;
  border-radius:24px;
  background:#fff;
  box-shadow:0 20px 65px rgba(16,36,73,.14);
}

.irve-cost__header {
  padding:32px;
  color:#fff;
  background:
    radial-gradient(circle at 90% 10%,rgba(66,183,189,.38),transparent 32%),
    linear-gradient(135deg,var(--navy),var(--navy-dark));
}
.irve-cost__eyebrow {
  display:inline-block;
  margin-bottom:12px;
  padding:8px 12px;
  border-radius:999px;
  color:#d9f6f7;
  background:rgba(255,255,255,.12);
  font-size:13px;
  font-weight:900;
}
.irve-cost__header h2 {
  margin:0 0 10px;
  color:#fff;
  font-size:clamp(28px,4vw,46px);
  line-height:1.08;
}
.irve-cost__header p {
  margin:0;
  color:#dce7ef;
  font-size:17px;
}

.irve-cost__body {
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:0;
}

.irve-cost__form { padding:30px; }
.irve-cost__section {
  padding-bottom:26px;
  margin-bottom:26px;
  border-bottom:1px solid var(--line);
}
.irve-cost__section:last-child {
  padding-bottom:0;
  margin-bottom:0;
  border-bottom:0;
}
.irve-cost__section h3 {
  margin:0 0 18px;
  color:var(--navy);
  font-size:24px;
}
.irve-cost__grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.irve-cost label {
  display:grid;
  gap:8px;
  color:var(--navy);
  font-weight:800;
}
.irve-cost__input-unit {
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:13px;
  background:#fff;
}
.irve-cost__input-unit input {
  width:100%;
  min-height:52px;
  border:0;
  padding:12px;
  font:inherit;
}
.irve-cost__input-unit input:focus { outline:none; }
.irve-cost__input-unit:focus-within {
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(66,183,189,.16);
}
.irve-cost__input-unit span {
  padding:0 12px;
  color:var(--muted);
  font-size:13px;
  font-weight:700;
}

.irve-cost__tariff-tabs {
  display:flex;
  gap:10px;
  margin-bottom:18px;
}
.irve-cost__tariff-tabs button,
.irve-cost__power-choices button {
  border:1px solid var(--line);
  border-radius:12px;
  padding:11px 14px;
  background:#fff;
  color:var(--navy);
  cursor:pointer;
  font-weight:800;
}
.irve-cost__tariff-tabs button.is-active,
.irve-cost__power-choices button.is-selected {
  border-color:var(--teal);
  color:var(--teal-dark);
  background:#edfafa;
}
.irve-cost__power-choices {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.irve-cost__results {
  padding:30px;
  color:#fff;
  background:
    radial-gradient(circle at 80% 10%,rgba(66,183,189,.25),transparent 30%),
    linear-gradient(160deg,var(--navy),var(--navy-dark));
}
.irve-cost__result-label {
  display:block;
  margin-bottom:15px;
  color:#bfecef;
  font-size:13px;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.06em;
}
.irve-cost__main-result {
  padding:20px;
  margin-bottom:18px;
  border-radius:18px;
  background:rgba(255,255,255,.08);
}
.irve-cost__main-result span {
  display:block;
  margin-bottom:7px;
  color:#dce7ef;
}
.irve-cost__main-result strong {
  color:#fff;
  font-size:42px;
}
.irve-cost__result-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.irve-cost__result-grid div {
  padding:15px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  background:rgba(255,255,255,.05);
}
.irve-cost__result-grid span {
  display:block;
  margin-bottom:6px;
  color:#cbd9e5;
  font-size:12px;
}
.irve-cost__result-grid strong {
  color:#fff;
  font-size:18px;
}
.irve-cost__saving {
  margin-top:18px;
  padding:15px;
  border-left:5px solid var(--teal);
  border-radius:12px;
  color:#fff;
  background:rgba(66,183,189,.12);
  line-height:1.5;
}
.irve-cost__cta {
  margin-top:20px;
  padding:18px;
  border-radius:16px;
  color:var(--navy);
  background:#fff;
}
.irve-cost__cta p {
  color:var(--muted);
  line-height:1.5;
}
.irve-cost__cta>div {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.irve-cost__cta a {
  display:inline-flex;
  padding:12px 15px;
  border-radius:10px;
  color:#fff!important;
  background:var(--teal-dark);
  text-decoration:none!important;
  font-weight:900;
}
.irve-cost__cta a:last-child { background:var(--navy); }

.irve-cost__footer {
  padding:18px 30px 26px;
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}

@media(max-width:900px) {
  .irve-cost__body { grid-template-columns:1fr; }
}
@media(max-width:620px) {
  .irve-cost__header,.irve-cost__form,.irve-cost__results { padding:22px; }
  .irve-cost__grid,.irve-cost__result-grid { grid-template-columns:1fr; }
  .irve-cost__tariff-tabs,.irve-cost__power-choices { display:grid;grid-template-columns:1fr; }
  .irve-cost__cta>div,.irve-cost__cta a { width:100%; }
}