.advc {
  --advc-navy: #17324d;
  --advc-blue: #176b87;
  --advc-teal: #168b83;
  --advc-mint: #e8f5f2;
  --advc-sand: #f6f3ed;
  --advc-border: #d8e1e6;
  --advc-text: #263746;
  --advc-muted: #5f6f7b;
  --advc-white: #fff;
  max-width: 980px;
  margin: 2rem auto;
  color: var(--advc-text);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.55;
}

.advc *, .advc *::before, .advc *::after { box-sizing: border-box; }
.advc [hidden] { display: none !important; }

.advc__hero {
  padding: clamp(1.6rem, 4vw, 3.2rem);
  color: var(--advc-white);
  background: linear-gradient(135deg, var(--advc-navy), var(--advc-blue));
  border-radius: 18px 18px 0 0;
}

.advc__hero h2 { margin: .15rem 0 .65rem; color: inherit; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.08; letter-spacing: -.025em; }
.advc__eyebrow { margin: 0; color: #bce8df; font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.advc__eyebrow--dark { color: var(--advc-teal); }
.advc__intro { max-width: 680px; margin: 0; font-size: 1.08rem; }

.advc__form { padding: clamp(1.25rem, 4vw, 2.35rem); background: var(--advc-white); border: 1px solid var(--advc-border); border-top: 0; border-radius: 0 0 18px 18px; box-shadow: 0 12px 32px rgba(23, 50, 77, .08); }
.advc__privacy { display: flex; gap: .65rem; margin-bottom: 1.5rem; padding: .75rem 1rem; align-items: center; color: #0c625d; background: var(--advc-mint); border-radius: 8px; font-size: .9rem; }
.advc__privacy span { display: grid; width: 1.5rem; height: 1.5rem; place-items: center; flex: 0 0 auto; color: #fff; background: var(--advc-teal); border-radius: 50%; font-weight: 800; }
.advc__privacy p { margin: 0; }

.advc__fieldset { min-width: 0; margin: 0 0 1.6rem; padding: 0; border: 0; }
.advc__fieldset legend { width: 100%; margin: 0 0 1rem; padding: 0 0 .55rem; color: var(--advc-navy); border-bottom: 1px solid var(--advc-border); font-size: 1.18rem; font-weight: 800; }
.advc__fieldset-intro { margin: -.45rem 0 1rem; color: var(--advc-muted); font-size: .92rem; }
.advc__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.advc__field--wide { grid-column: span 2; max-width: calc(50% - .5rem); }
.advc__field label { display: block; margin-bottom: .4rem; color: var(--advc-navy); font-size: .92rem; font-weight: 750; }
.advc__hint { margin: .35rem 0 0; color: var(--advc-muted); font-size: .8rem; }

.advc input[type="number"] { width: 100%; min-width: 0; min-height: 50px; padding: .7rem .8rem; color: var(--advc-text); background: #fff; border: 1px solid #9eacb5; border-radius: 8px; font: inherit; }
.advc input[type="number"]:focus, .advc__button:focus-visible, .advc a:focus-visible, .advc summary:focus-visible { outline: 3px solid rgba(22, 139, 131, .3); outline-offset: 2px; }
.advc input[aria-invalid="true"] { border-color: #b42318; background: #fff8f7; }
.advc__input-prefix, .advc__input-suffix, .advc__input-combo { display: grid; align-items: stretch; }
.advc__input-prefix { grid-template-columns: auto 1fr; }
.advc__input-suffix { grid-template-columns: 1fr auto; }
.advc__input-combo { grid-template-columns: auto 1fr auto; }
.advc__input-prefix > span, .advc__input-suffix > span, .advc__input-combo > span { display: flex; padding: 0 .75rem; align-items: center; color: var(--advc-muted); background: #f3f6f7; border: 1px solid #9eacb5; white-space: nowrap; }
.advc__input-prefix > span:first-child, .advc__input-combo > span:first-child { border-right: 0; border-radius: 8px 0 0 8px; }
.advc__input-suffix > span:last-child, .advc__input-combo > span:last-child { border-left: 0; border-radius: 0 8px 8px 0; }
.advc__input-prefix input { border-radius: 0 8px 8px 0 !important; }
.advc__input-suffix input { border-radius: 8px 0 0 8px !important; }
.advc__input-combo input { border-radius: 0 !important; }

.advc__scenario-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.advc__scenario-card { padding: 1.2rem; background: #f7f9fa; border: 1px solid var(--advc-border); border-radius: 12px; }
.advc__scenario-card--intervention { background: var(--advc-mint); border-color: #acd7d1; }
.advc__scenario-card h3 { margin: .1rem 0 1rem; color: var(--advc-navy); font-size: 1.1rem; }
.advc__scenario-card .advc__field + .advc__field { margin-top: 1rem; }
.advc__scenario-label { margin: 0; color: var(--advc-teal); font-size: .75rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }

.advc__button { display: inline-flex; min-height: 48px; padding: .72rem 1.15rem; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 8px; font: inherit; font-weight: 750; line-height: 1.2; text-align: center; text-decoration: none !important; cursor: pointer; transition: transform .15s ease, background-color .15s ease; }
.advc__button:hover { transform: translateY(-1px); }
.advc__button--primary { color: #fff !important; background: var(--advc-teal); }
.advc__button--primary:hover { background: #0f746e; }
.advc__button--secondary { color: var(--advc-navy); background: #fff; border-color: var(--advc-border); }
.advc__calculate { width: 100%; }
.advc__error { margin: 0 0 .8rem; color: #a11212; font-size: .9rem; font-weight: 700; }

.advc__results { padding-top: 2rem; scroll-margin-top: 2rem; }
.advc__toolbar { display: flex; gap: 1rem; align-items: center; justify-content: space-between; margin-bottom: 1.15rem; }
.advc__toolbar h3 { margin: .1rem 0 0; color: var(--advc-navy); font-size: 1.5rem; }
.advc__result-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.advc__result-card { padding: 1.2rem; background: #fff; border: 1px solid var(--advc-border); border-radius: 12px; box-shadow: 0 5px 18px rgba(23, 50, 77, .06); }
.advc__result-card--accent { background: var(--advc-mint); border-color: #acd7d1; }
.advc__result-card--saving { color: #fff; background: var(--advc-teal); border-color: var(--advc-teal); }
.advc__result-card--negative { background: #9e3b32; border-color: #9e3b32; }
.advc__result-card p, .advc__result-card span { margin: 0; font-size: .84rem; }
.advc__result-card strong { display: block; margin: .15rem 0; color: var(--advc-navy); font-size: clamp(1.45rem, 4vw, 2rem); line-height: 1.2; }
.advc__result-card--saving strong { color: #fff; }

.advc__keyfigures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 1.2rem 0; overflow: hidden; background: var(--advc-border); border: 1px solid var(--advc-border); border-radius: 10px; }
.advc__keyfigures div { padding: .85rem 1rem; background: var(--advc-sand); }
.advc__keyfigures span { display: block; color: var(--advc-muted); font-size: .76rem; line-height: 1.3; }
.advc__keyfigures strong { display: block; margin-top: .2rem; color: var(--advc-navy); font-size: 1rem; }

.advc__breakdown { margin-top: 1.5rem; }
.advc__breakdown h4 { margin: 0 0 .65rem; color: var(--advc-navy); }
.advc__table-wrap { overflow-x: auto; border: 1px solid var(--advc-border); border-radius: 10px; }
.advc table { width: 100%; min-width: 620px; border-collapse: collapse; background: #fff; }
.advc th, .advc td { padding: .7rem .85rem; border-bottom: 1px solid var(--advc-border); text-align: right; }
.advc th:first-child { text-align: left; }
.advc thead th { color: var(--advc-navy); background: #f3f6f7; font-size: .82rem; }
.advc tbody th { color: var(--advc-text); font-weight: 600; }
.advc__table-total th, .advc__table-total td { color: var(--advc-navy); background: var(--advc-mint); border-bottom: 0; font-weight: 800; }

.advc__formula { margin-top: 1rem; padding: .9rem 1rem; background: #fff; border: 1px solid var(--advc-border); border-radius: 8px; }
.advc__formula summary { color: var(--advc-navy); font-weight: 750; cursor: pointer; }
.advc__formula p { margin: .6rem 0 0; font-size: .9rem; }
.advc__notice { margin-top: 1rem; padding: 1.1rem 1.25rem; background: var(--advc-sand); border-left: 4px solid #c29952; border-radius: 8px; }
.advc__notice h4 { margin: 0; color: var(--advc-navy); }
.advc__notice p { margin: .35rem 0 0; }
.advc__cta { display: flex; gap: 1rem; margin-top: 1.35rem; padding: 1.35rem; align-items: center; justify-content: space-between; color: #fff; background: var(--advc-navy); border-radius: 12px; }
.advc__cta h3, .advc__cta p { color: #fff; }
.advc__cta h3 { margin: 0; font-size: 1.15rem; }
.advc__cta p { margin: .25rem 0 0; }

@media (max-width: 720px) {
  .advc__grid, .advc__scenario-grid, .advc__result-cards, .advc__keyfigures { grid-template-columns: 1fr; }
  .advc__field--wide { grid-column: auto; max-width: none; }
  .advc__toolbar, .advc__cta { align-items: stretch; flex-direction: column; }
  .advc__toolbar .advc__button { width: 100%; }
}

@media print {
  body * { visibility: hidden; }
  .advc--printing, .advc--printing * { visibility: visible; }
  .advc--printing { position: absolute; inset: 0 auto auto 0; width: 100%; max-width: none; margin: 0; color: #111; font-size: 9pt; }
  .advc--printing .advc__hero { padding: 1rem; color: #111; background: #fff; border: 1px solid #bbb; }
  .advc--printing .advc__hero h2 { font-size: 22pt; }
  .advc--printing .advc__eyebrow, .advc--printing .advc__form, .advc--printing .advc__toolbar .advc__button, .advc--printing .advc__cta { display: none !important; }
  .advc--printing .advc__results { padding-top: .6rem; }
  .advc--printing .advc__result-card, .advc--printing .advc__keyfigures, .advc--printing .advc__breakdown, .advc--printing .advc__formula, .advc--printing .advc__notice { break-inside: avoid; }
}