.ecalc {
  --ecalc-accent: #1d4ed8;
  --ecalc-accent-strong: #1e40af;
  --ecalc-surface: #ffffff;
  --ecalc-surface-soft: #eff6ff;
  --ecalc-border: rgba(15, 23, 42, 0.12);
  --ecalc-text: #0f172a;
  --ecalc-text-soft: #475569;
  --ecalc-radius: 1.5rem;
  --ecalc-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  color: var(--ecalc-text);
}

.ecalc *,
.ecalc *::before,
.ecalc *::after {
  box-sizing: border-box;
}

.ecalc__inner {
  padding: clamp(1.25rem, 2vw, 2rem);
  border: 1px solid var(--ecalc-border);
  border-radius: var(--ecalc-radius);
  background:
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.96));
  box-shadow: var(--ecalc-shadow);
}

.ecalc--outline .ecalc__inner {
  background: var(--ecalc-surface);
  box-shadow: none;
}

.ecalc--accent .ecalc__inner {
  --ecalc-accent: #0f766e;
  --ecalc-accent-strong: #115e59;
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(248, 250, 252, 0.98), rgba(240, 253, 250, 0.96));
}

.ecalc__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ecalc-accent);
}

.ecalc__title {
  margin: 0;
  font-size: clamp(1.6rem, 2.5vw, 2.25rem);
  line-height: 1.15;
}

.ecalc__description {
  margin-top: 0.75rem;
  color: var(--ecalc-text-soft);
  max-width: 65ch;
}

.ecalc__layout {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 1fr);
}

.ecalc__form {
  display: grid;
  gap: 1rem;
}

.ecalc__grid {
  display: grid;
  gap: 1rem;
}

.ecalc__grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ecalc__field {
  display: grid;
  gap: 0.45rem;
}

.ecalc__label,
.ecalc__stat-label {
  font-size: 0.95rem;
  font-weight: 600;
}

.ecalc__input,
.ecalc__select {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--ecalc-border);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ecalc-text);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ecalc__input:focus,
.ecalc__select:focus,
.ecalc__button:focus,
.ecalc__cta:focus,
.ecalc__checkbox-input:focus {
  outline: none;
  border-color: var(--ecalc-accent);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.16);
}

.ecalc__help,
.ecalc__result-text,
.ecalc__result-note {
  font-size: 0.92rem;
  color: var(--ecalc-text-soft);
}

.ecalc__field--checkbox,
.ecalc__field--checkboxes {
  padding: 0.9rem 1rem;
  border: 1px solid var(--ecalc-border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.8);
}

.ecalc__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.ecalc__checkbox-input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.2rem;
}

.ecalc__error {
  min-height: 1.25rem;
  color: #b91c1c;
  font-size: 0.92rem;
}

.ecalc__actions {
  display: flex;
}

.ecalc__button,
.ecalc__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.4rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--ecalc-accent), var(--ecalc-accent-strong));
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.ecalc__button:hover,
.ecalc__cta:hover {
  transform: translateY(-1px);
  opacity: 0.96;
  color: #fff;
}

.ecalc__result {
  height: 100%;
  padding: 1.25rem;
  border: 1px solid var(--ecalc-border);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.9);
}

.ecalc__result-title {
  margin: 0;
  font-size: 1.15rem;
}

.ecalc__result-header {
  display: grid;
  gap: 0.45rem;
}

.ecalc__stats {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0;
}

.ecalc__stat {
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  background: var(--ecalc-surface-soft);
}

.ecalc__stat--price {
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.12), rgba(255, 255, 255, 0.95));
}

.ecalc__stat-value {
  margin: 0.35rem 0 0;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 700;
}

.ecalc__result-content {
  display: grid;
  gap: 0.6rem;
}

.ecalc__quote {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.35rem;
}

.ecalc__quote-title {
  margin: 0;
  font-size: 1rem;
}

.ecalc__quote-status {
  min-height: 1.25rem;
  font-size: 0.92rem;
  color: var(--ecalc-text-soft);
}

@media (max-width: 959px) {
  .ecalc__layout,
  .ecalc__grid--two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ecalc__inner,
  .ecalc__result,
  .ecalc__field--checkbox,
  .ecalc__field--checkboxes {
    padding: 1rem;
  }

  .ecalc__button,
  .ecalc__cta {
    width: 100%;
  }
}