:root {
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --ink: #142033;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #eaf1ff;
  --accent: #14b8a6;
  --shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 22px 55px rgba(15, 23, 42, 0.12);
  --radius: 18px;
}

html {
  font-size: 14px;
  min-height: 100%;
  position: relative;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 34rem),
    radial-gradient(circle at 90% 10%, rgba(20, 184, 166, 0.12), transparent 28rem),
    linear-gradient(180deg, #f8fbff 0%, #f6f8fb 48%, #ffffff 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow:
    0 0 0 0.22rem rgba(37, 99, 235, 0.14),
    0 12px 28px rgba(15, 23, 42, 0.08);
}

.navbar {
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.82) !important;
  min-height: 76px;
}

.navbar-brand {
  color: var(--ink);
  font-size: 1.25rem;
  letter-spacing: 0;
}

.nav-link {
  font-weight: 600;
}

.footer {
  background: rgba(255, 255, 255, 0.7);
  width: 100%;
}

.home-hero {
  padding: clamp(2rem, 6vw, 5.5rem) 0 clamp(2rem, 5vw, 4rem);
}

.eyebrow {
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  color: var(--ink);
  font-size: clamp(2.4rem, 7vw, 5.25rem);
  font-weight: 800;
  line-height: 0.98;
  max-width: 10ch;
}

.hero-copy {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
  transition: box-shadow 180ms ease, transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.btn-primary {
  background: linear-gradient(135deg, #2f6ff2 0%, var(--brand) 48%, #1f7ae0 100%);
  border-color: rgba(37, 99, 235, 0.88);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn-primary:hover,
.btn-outline-primary:hover {
  box-shadow: 0 18px 38px rgba(37, 99, 235, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn:active {
  box-shadow: 0 7px 16px rgba(15, 23, 42, 0.08);
  transform: translateY(0);
}

.btn-outline-primary {
  background: rgba(255, 255, 255, 0.68);
  border-color: rgba(37, 99, 235, 0.28);
  color: var(--brand-dark);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.08);
}

.hero-panel {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: 28px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2rem);
}

.hero-panel__label {
  color: var(--muted);
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.hero-panel__metric {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-radius: 20px;
  color: #ffffff;
  display: block;
  margin-bottom: 1rem;
  padding: 1.5rem;
}

.hero-panel__metric span {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1;
}

.hero-panel__metric small {
  display: block;
  font-weight: 700;
  margin-top: 0.65rem;
  opacity: 0.9;
}

.hero-panel__grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-panel__grid span {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  font-weight: 800;
  padding: 0.85rem;
  text-align: center;
}

.hero-vat-widget {
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  border: 1px solid var(--line);
  border-radius: 20px;
  margin-bottom: 1rem;
  padding: 1rem;
}

.hero-vat-widget .form-label {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero-vat-results {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-vat-results div {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-radius: 18px;
  color: #ffffff;
  min-width: 0;
  padding: 1rem;
}

.hero-vat-results span,
.hero-vat-results strong {
  display: block;
}

.hero-vat-results span {
  font-size: 0.78rem;
  font-weight: 800;
  opacity: 0.86;
  text-transform: uppercase;
}

.hero-vat-results strong {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.1;
  margin-top: 0.35rem;
  overflow-wrap: anywhere;
}

.calculator-browser {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: 28px;
  box-shadow: var(--shadow-sm);
  padding: clamp(1rem, 4vw, 2rem);
}

.calculator-browser__header {
  align-items: end;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.calculator-search {
  flex: 0 1 360px;
}

.calculator-search .form-control,
.form-control,
.form-select {
  background-color: rgba(255, 255, 255, 0.92);
  border-color: rgba(203, 213, 225, 0.9);
  border-radius: 16px;
  box-shadow: inset 0 1px 1px rgba(15, 23, 42, 0.03);
  color: var(--ink);
  font-weight: 650;
  padding-bottom: 0.9rem;
  padding-top: 0.9rem;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.input-group-lg > .form-control,
.input-group-lg > .form-select,
.input-group-lg > .input-group-text {
  padding-bottom: 0.9rem;
  padding-top: 0.9rem;
}

.form-control:focus,
.form-select:focus {
  background-color: #ffffff;
  border-color: rgba(37, 99, 235, 0.62);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: #94a3b8;
  font-weight: 600;
}

.input-group {
  border-radius: 16px;
}

.input-group-text {
  background: linear-gradient(180deg, #f8fbff, #eef4ff);
  border-color: rgba(203, 213, 225, 0.9);
  color: var(--muted);
  font-weight: 800;
}

.input-group:focus-within .input-group-text {
  border-color: rgba(37, 99, 235, 0.62);
  color: var(--brand-dark);
}

.form-label {
  color: var(--ink);
  margin-bottom: 0.55rem;
}

.form-check-input {
  border-color: rgba(37, 99, 235, 0.28);
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--brand);
  border-color: var(--brand);
}

.form-check-label {
  color: var(--ink);
  cursor: pointer;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.category-pill {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
  padding: 0.55rem 0.95rem;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.category-pill:hover,
.category-pill.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  transform: translateY(-1px);
}

.calculator-grid {
  align-items: stretch;
}

.calculator-card {
  background: var(--surface);
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 230px;
  padding: 1.35rem;
  position: relative;
  isolation: isolate;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.calculator-card::before {
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 16rem);
  border-radius: inherit;
  content: "";
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 180ms ease;
  z-index: -1;
}

.calculator-card::after {
  background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: 999px;
  bottom: 0.9rem;
  content: "";
  height: 3px;
  left: 1.35rem;
  opacity: 0;
  position: absolute;
  right: 1.35rem;
  transform: scaleX(0.72);
  transform-origin: left;
  transition: opacity 180ms ease, transform 180ms ease;
}

.calculator-card:hover,
.calculator-card:focus {
  border-color: rgba(37, 99, 235, 0.38);
  box-shadow: var(--shadow-md);
  color: inherit;
  transform: translateY(-6px);
}

.calculator-card:hover::after,
.calculator-card:focus::after {
  opacity: 1;
  transform: scaleX(1);
}

.calculator-card:hover::before,
.calculator-card:focus::before {
  opacity: 1;
}

.calculator-card__top,
.calculator-card__body {
  display: flex;
}

.calculator-card__top {
  align-items: center;
  justify-content: space-between;
}

.calculator-card__body {
  flex: 1;
  flex-direction: column;
  gap: 0.65rem;
}

.calculator-icon {
  align-items: center;
  background: var(--brand-soft);
  border-radius: 16px;
  color: var(--brand-dark);
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 900;
  height: 48px;
  justify-content: center;
  min-width: 48px;
  padding: 0 0.6rem;
}

.calculator-category {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.7rem;
}

.calculator-title {
  color: var(--ink);
  display: block;
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.25;
}

.calculator-description {
  color: var(--muted);
  display: block;
  line-height: 1.6;
}

.calculator-card__footer {
  color: var(--brand-dark);
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
  margin-top: auto;
}

.calculator-empty {
  background: var(--surface-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 700;
  margin: 1.5rem 0 0;
  padding: 1rem;
  text-align: center;
}

.vat-results {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.vat-result-row {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.25rem;
}

.vat-result-row + .vat-result-row {
  border-top: 1px solid var(--line);
}

.vat-result-row strong {
  color: var(--ink);
  font-size: 1.5rem;
}

.calculator-result {
  align-items: center;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.25rem;
}

.calculator-result strong {
  color: var(--ink);
  font-size: 1.5rem;
}

.calculator-page {
  margin: 0 auto;
  max-width: 1120px;
}

.calculator-page__header {
  margin-bottom: 1.5rem;
}

.calculator-page__header p {
  max-width: 44rem;
}

.calculator-shell {
  align-items: start;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
}

.calculator-input-panel,
.calculator-results-card,
.calculator-explainer,
.related-calculators {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.calculator-input-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 251, 255, 0.84)),
    #ffffff;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.82);
  min-width: 0;
}

.calculator-input-panel .row {
  --bs-gutter-x: 1.15rem;
  --bs-gutter-y: 1.25rem;
}

.calculator-input-panel .btn-group {
  background: rgba(248, 251, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: inset 0 1px 1px rgba(15, 23, 42, 0.04);
  gap: 0.25rem;
  padding: 0.25rem;
}

.calculator-input-panel .btn-group .btn {
  box-shadow: none;
}

.calculator-input-panel .btn-check:checked + .btn {
  background: linear-gradient(135deg, var(--brand), #1f7ae0);
  border-color: transparent;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.2);
  color: #ffffff;
}

.calculator-results-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 251, 255, 0.9)),
    #ffffff;
  box-shadow: var(--shadow-md);
  position: static;
}

.calculator-results-card__header {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.calculator-results-card__title {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  margin: 0;
  text-transform: uppercase;
}

.copy-result-button {
  border-radius: 999px;
  white-space: nowrap;
}

.calculator-results-list {
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.result-insight {
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: 16px;
  color: #38516f;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
}

.trust-section {
  margin-top: clamp(2rem, 5vw, 4rem);
}

.trust-section__header {
  margin-bottom: 1.25rem;
  max-width: 46rem;
}

.trust-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  height: 100%;
  padding: 1.4rem;
  transition: box-shadow 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.trust-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.trust-card__icon {
  align-items: center;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-radius: 14px;
  color: #ffffff;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 900;
  height: 42px;
  justify-content: center;
  margin-bottom: 1rem;
  min-width: 42px;
  padding: 0 0.55rem;
}

.trust-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.trust-card p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.why-section {
  align-items: center;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 28px;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  margin-top: 1.5rem;
  padding: clamp(1.25rem, 4vw, 2rem);
}

.why-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.why-list li {
  align-items: center;
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--ink);
  display: flex;
  font-weight: 800;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
}

.why-list span {
  align-items: center;
  background: var(--brand-soft);
  border-radius: 999px;
  color: var(--brand-dark);
  display: inline-flex;
  flex: 0 0 28px;
  font-size: 0.9rem;
  font-weight: 900;
  height: 28px;
  justify-content: center;
}

.calculator-result-row {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.15rem;
}

.calculator-result-row + .calculator-result-row {
  border-top: 1px solid var(--line);
}

.calculator-result-row span {
  color: var(--muted);
  font-weight: 700;
}

.calculator-result-row strong {
  color: var(--ink);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  text-align: right;
}

.calculator-explainer,
.related-calculators {
  margin-top: 1.5rem;
}

.calculator-explainer h2,
.related-calculators h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.calculator-explainer p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.related-calculators__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.related-calculators__links a {
  background: var(--brand-soft);
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: 999px;
  color: var(--brand-dark);
  font-weight: 800;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
}

.related-calculators__links a:hover {
  background: var(--brand);
  color: #ffffff;
}

.cookie-banner {
  bottom: 1rem;
  left: 0;
  padding: 0 1rem;
  position: fixed;
  right: 0;
  z-index: 1080;
}

.cookie-banner__content {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 720px;
  padding: 1rem;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

@media (min-width: 992px) {
  .calculator-results-card {
    align-self: start;
    max-height: calc(100vh - 4rem);
    overflow: auto;
    position: sticky;
    top: 2rem;
  }
}

@media (max-width: 991.98px) {
  .calculator-browser__header {
    align-items: stretch;
    flex-direction: column;
  }

  .calculator-search {
    flex: 1 1 auto;
  }

  .calculator-shell {
    grid-template-columns: 1fr;
  }

  .why-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .home-hero {
    padding-top: 1.5rem;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-vat-results {
    grid-template-columns: 1fr;
  }

  .calculator-browser {
    border-radius: 22px;
    margin-left: -0.25rem;
    margin-right: -0.25rem;
  }

  .calculator-card {
    min-height: 0;
  }

  .vat-result-row,
  .calculator-result,
  .calculator-result-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .calculator-result-row strong {
    text-align: left;
  }

  .cookie-banner__content {
    align-items: stretch;
    flex-direction: column;
  }

  .cookie-banner__actions {
    justify-content: stretch;
  }

  .cookie-banner__actions .btn {
    flex: 1;
  }
}